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CN-122017263-A - Automatic equipment for disabling azo dye detection pretreatment and workflow thereof

CN122017263ACN 122017263 ACN122017263 ACN 122017263ACN-122017263-A

Abstract

The invention relates to the technical field of forbidden azo dye detection facilities, and provides forbidden azo dye detection pretreatment automatic equipment and a working flow thereof, wherein the forbidden azo dye detection pretreatment automatic equipment comprises a workbench, a feeding mechanism, a clamping and positioning mechanism, a screwing and clamping mechanism, a gantry shifting mechanism, a grabbing carrier disc mechanism, a liquid feeding mechanism, a solid feeding mechanism, a cooling mechanism, a heating mechanism, a carrier disc moving assembly, a shaking mechanism and an electric control system; the invention integrates multiple procedures of feeding, clamping and positioning, screwing, feeding, heating, cooling, shaking and the like, realizes automatic linkage control through an electric control system, does not need manual intervention on each link operation, avoids manual operation errors, has small friction resistance and stable conveying through the design of a transmission belt and a guide groove, realizes quick start-stop and accurate positioning of a carrier disc by matching with a plurality of photoelectric sensors, and has clear limit according to the partition arrangement of the operation flow, shortens the operation path and is convenient for operators to observe and maintain.

Inventors

  • ZHAO HAILANG
  • OUYANG YUKUI
  • YAO HUILONG
  • ZHOU ZHAOYI
  • TAN YUJING
  • BAO HAIFENG

Assignees

  • 上海市质量监督检验技术研究院有限公司

Dates

Publication Date
20260512
Application Date
20260305

Claims (13)

  1. 1. The automatic equipment for disabling azo dye detection pretreatment is characterized by comprising a workbench, a feeding mechanism, a clamping and positioning mechanism, a screwing and clamping mechanism, a gantry shifting mechanism, a grabbing carrier disc mechanism, a liquid feeding mechanism, a solid feeding mechanism, a cooling mechanism, a heating mechanism, a carrier disc moving assembly, a shaking mechanism and an electric control system; the feeding mechanism is fixedly arranged on the workbench and used for conveying the carrying disc to the corresponding target position of each procedure along a preset path; the clamping and positioning mechanism is arranged on the workbench and used for stably clamping the test tube and driving the test tube to move to each functional mechanism for corresponding operation; The screwing clamping mechanism is assembled on the gantry shifting mechanism and is used for clamping and transferring the test tube on the carrying disc into the clamping and positioning mechanism and synchronously unscrewing the test tube cover of the test tube, or screwing the test tube cover of the test tube on the clamping and positioning mechanism and transferring the processed test tube back to the carrying disc; The grabbing and carrying disc mechanism is arranged on the gantry shifting mechanism and is respectively arranged on different sides of the gantry shifting mechanism with the screwing clamping mechanism; the liquid feeding mechanism is arranged on the gantry shifting mechanism and is arranged on the same side surface of the gantry shifting mechanism as the screwing clamping mechanism; The solid feeding mechanism is arranged on the gantry shifting mechanism and is arranged on the same side surface of the gantry shifting mechanism as the screwing clamping mechanism; The cooling mechanism is arranged on the workbench and is used for performing low-temperature cooling treatment on the test tubes placed on the carrier plate; the heating mechanism is arranged on the workbench and is used for carrying out constant-temperature heating treatment on the test tube placed on the carrier plate; the carrier plate moving assembly is arranged on the workbench and used for receiving and moving the carrier plate into the shaking mechanism; The shaking mechanism is arranged on the workbench and is used for sufficiently shaking the mixed liquid in the test tube in the carrying disc; The electric control system is internally integrated with a PLC controller, a touch control operation screen and an emergency stop button, and is integrally arranged on an upright post at one side of the workbench; The feeding mechanism, the clamping and positioning mechanism, the screwing and clamping mechanism, the gantry shifting mechanism, the grabbing and carrying disc mechanism, the liquid feeding mechanism, the solid feeding mechanism, the cooling mechanism, the heating mechanism, the carrying disc moving assembly and the shaking and homogenizing mechanism are all electrically connected with the electric control system through circuits, and the electric control system is used for uniformly controlling operation.
  2. 2. The disabled azo dye detection pretreatment automation device of claim 1 wherein the feed mechanisms are arranged in two groups, one behind the other; The feeding mechanism comprises a first linear guide rail, a driving belt, a driving wheel, a driven wheel and a first driving motor, wherein the section of the first linear guide rail is L-shaped, the first driving motor is arranged at one end of the first linear guide rail, a transmission shaft of the first driving motor is connected with the driving wheel, the driven wheel is arranged at the other end of the first linear guide rail, the driving belt is tensioned between the driving wheel and the driven wheel, and the driving belt is configured to convey along the upper side and the lower side of the L-shaped transverse edge of the first linear guide rail; The first linear guide rail is provided with a first photoelectric sensor and a second photoelectric sensor, the first photoelectric sensor is configured to feed back signals to the controller when the carrier disc is sensed, the controller is used for adjusting the opening of the first driving motor, and the second photoelectric sensor is configured to feed back signals to the controller when the carrier disc is sensed, and the controller is used for adjusting the closing of the first driving motor.
  3. 3. The disabled azo dye detection pretreatment automation device of claim 1, wherein the clamping and positioning mechanism comprises a first conveying assembly, a clamping assembly and a rotating assembly, wherein the clamping assembly comprises a second motor placement seat, at least one second driving motor and at least one fixed clamping jaw, the second driving motor is arranged on the second motor placement seat, a driving shaft of the second driving motor is coaxially fixed with a driving shaft of the fixed clamping jaw, the second driving motor is used for driving the fixed clamping jaw to open and close, one clamping jaw of the fixed clamping jaw is provided with an L-shaped placement plate, the L-shaped placement plate is used for placing a test tube clamped by the fixed clamping jaw, and a third photoelectric sensor is arranged at each second driving motor and is configured to sense whether a carrier disc is in place or not; The first conveying assembly comprises a base, a third driving motor, a third motor mounting seat, a first sliding rail, a first sliding block and a first screw rod arranged in the first sliding rail, the first sliding rail is fixed on the base, the third driving motor is fixed at one end part of the first sliding rail through the third motor mounting seat, two ends of the first screw rod are supported at two ends of the first sliding rail through first bearing seats to correspond to mounting positions, the third driving motor is connected with the first screw rod through a first coupler, the first screw rod is in threaded fit with the first sliding block through a first screw rod nut, the first sliding block is in sliding connection with the first sliding rail, and the second motor placing seat is arranged on the first sliding block and drives the first sliding block and a second motor placing seat arranged on the first sliding block to do linear motion along the first sliding rail through the first screw rod nut; the rotating assembly comprises a rotating motor, a driving shaft of the rotating motor is connected with the first sliding block, and the rotating motor is configured to drive the clamping assembly to rotate through the first sliding block.
  4. 4. The automated equipment for disabling azo dye detection pretreatment according to claim 1, wherein the screwing clamping mechanism comprises at least one second conveying component and at least one screwing clamping component, the second conveying component comprises a mounting base, a fourth driving motor, a fourth motor mounting seat, a second sliding rail, a second sliding block and a second screw rod arranged in the second sliding rail, the second sliding rail is fixed on the mounting base, the fourth driving motor is fixed at one end part of the second sliding rail through the fourth motor mounting seat, two ends of the second screw rod are supported at corresponding mounting positions at two ends of the second sliding rail through a second bearing seat, the fourth driving motor is connected with the second screw rod through a second coupling, the second screw rod is in threaded fit with the second sliding block through a second screw rod nut, the second sliding block is in sliding connection with the second sliding rail, and the screwing clamping component is arranged on the second sliding block, and drives the second sliding block and the screwing clamping component arranged on the second sliding block to do linear motion along the second sliding rail through the second screw rod nut; The screwing clamping assembly comprises a first air cylinder and a second clamping jaw, a piston rod of the first air cylinder is fixedly connected with the second clamping jaw, an inner thread is arranged on the inner wall of the second clamping jaw, the piston rod of the first air cylinder is configured to drive the second clamping jaw to execute clamping action, and the second clamping jaw can rotate around the axis of the second clamping jaw to match with the inner wall thread to complete screwing action.
  5. 5. The automated equipment for disabling azo dye detection pretreatment of claim 4, wherein the gantry displacement mechanism comprises a vertical column, a beam assembly and two longitudinal beam assemblies, wherein two ends of the longitudinal beam assemblies are respectively fixedly connected with the vertical column, and the beam assembly is in sliding connection with the longitudinal beam assemblies; the transverse beam assembly comprises a transverse beam, a fifth motor mounting seat and a fifth driving motor, wherein a third sliding rail and a third sliding block are arranged on one side surface of the transverse beam, the third sliding rail and the third sliding block are in sliding connection, the fifth driving motor is fixed at one end part of the transverse beam through the fifth motor mounting seat, the third sliding block is also fixedly connected with a grabbing disc mechanism, a fourth sliding rail and a fourth sliding block are arranged on the other side surface of the transverse beam, the fourth sliding rail and the fourth sliding block are in sliding connection, the fourth sliding block is also fixedly connected with a mounting base of a screwing clamping mechanism and a liquid feeding mechanism, a third screw rod is arranged in the transverse beam, two ends of the third screw rod are supported at two ends of the transverse beam through a third bearing seat and correspond to mounting positions, the third screw rod is respectively in threaded fit with the third sliding block and the fourth sliding block through a third screw rod nut, the fifth driving motor is connected with the third screw rod through a third coupling, and the third screw rod nut drives the third sliding block and the grabbing disc mechanism to do linear motion along the third sliding rail, and the screwing clamping mechanism and the liquid feeding mechanism do linear motion along the fourth sliding rail; The longitudinal beam assembly comprises a first longitudinal beam, a sixth driving motor, a sixth motor mounting seat, a fifth sliding rail, a fifth sliding block and a fourth screw rod arranged in the fifth sliding rail, the fifth sliding rail is arranged on the first longitudinal beam, the sixth driving motor is fixed at one end part of the fifth sliding rail through the sixth motor mounting seat, two ends of the fourth screw rod are supported at two ends of the fifth sliding rail through fourth bearing seats to correspond to mounting positions, the sixth driving motor is connected with the fourth screw rod through a fourth coupling, the fourth screw rod is in threaded fit with the fifth sliding block through a fourth screw rod nut, the fifth sliding block is in sliding connection with the fifth sliding rail, one end part of the cross beam is fixedly connected with the fifth sliding block, and the fourth screw rod nut drives the fifth sliding block and the cross beam assembly to do linear motion along the fifth sliding rail.
  6. 6. The automatic pretreatment equipment for the forbidden azo dye detection according to claim 5, wherein the grabbing tray mechanism comprises a second cylinder, guide blocks, guide columns, a mounting plate, a connecting plate and clamping jaw assemblies, wherein the clamping jaw assemblies are mounted on the mounting plate, the guide columns are further arranged at two ends of the mounting plate, the connecting plate is connected with the two guide blocks, guide holes are formed in the guide blocks, the guide columns are arranged in the guide holes, a piston rod of the second cylinder is connected with the mounting plate, and the piston rod drives the clamping jaw assemblies to move along the arrangement direction of the guide columns under the action of the second cylinder; the clamping jaw assembly comprises a double-rod air cylinder and two third clamping jaws, wherein two piston rods of the double-rod air cylinder are respectively and fixedly connected with the two third clamping jaws, and the tail ends of the third clamping jaws are provided with flat clamping contact surfaces.
  7. 7. The disabled azo dye detection pretreatment automation device of claim 1 wherein the cooling mechanism comprises a first water tank having a first temperature control element disposed therein; the heating mechanism comprises a second water tank, a heating element and a second temperature control element are arranged in the second water tank, a cover plate assembly is arranged on the second water tank, the cover plate assembly comprises a third air cylinder, an organ cover, a mounting frame, a sixth sliding rail and a sixth sliding block, The mounting frame is arranged at the edge of the opening of the second water tank, the sixth sliding rail is arranged at one side part of the mounting frame, one end of the organ cover is fixedly connected with the sixth sliding block, and the other end of the organ cover is connected with the mounting frame; One end of the organ cover is also provided with an L-shaped baffle plate for limiting the height of the organ cover after compression.
  8. 8. The disabled azo dye detection pretreatment automation device of claim 1 wherein the carrier disc movement assembly comprises a carrier disc horizontal drive assembly, a carrier disc longitudinal drive assembly and a fourth jaw; The horizontal driving assembly of the carrying disc comprises a second longitudinal beam, a seventh driving motor, a seventh sliding rail, a seventh sliding block and a fifth screw rod arranged in the seventh sliding rail, the seventh sliding rail is arranged on the second longitudinal beam, the seventh driving motor is fixed at one end part of the seventh sliding rail through a seventh motor mounting seat, two ends of the fifth screw rod are supported at two ends of the seventh sliding rail through fifth bearing seats to be correspondingly mounted positions, the seventh driving motor is connected with the fifth screw rod through a fifth coupling, the fifth screw rod is in threaded fit with the seventh sliding block through a fifth screw rod nut, the seventh sliding block is in sliding connection with the seventh sliding rail, the longitudinal driving assembly is fixedly connected with the seventh sliding block, and the fifth screw rod nut drives the seventh sliding block to do linear motion along the seventh sliding rail; The carrier plate longitudinal driving assembly comprises an air cylinder fixing seat, a fourth air cylinder and a clamping jaw fixing seat, wherein the air cylinder fixing seat is fixedly connected with the seventh sliding block, the fourth air cylinder is fixedly connected with the air cylinder fixing seat, a transmission shaft of the fourth air cylinder is fixedly connected with the clamping jaw fixing seat, and a fourth clamping jaw is fixed on the clamping jaw fixing seat; The fourth clamping jaw comprises a clamping jaw connecting plate and two supporting frames, and the two supporting frames are arranged on the clamping jaw connecting plate in parallel.
  9. 9. The disabled azo dye detection pretreatment automation device of claim 1 wherein the shaking-up mechanism comprises a side-opening rack, a flipping assembly configured to rotate the rack 90 degrees, an oscillation assembly configured to reciprocate the flipped rack, and a damping assembly; The test tube pressing device comprises a rack, a pressing assembly, a water leakage hole and a water leakage pipe, wherein the pressing assembly is arranged on the rack and is used for pressing test tubes placed in the rack; the overturning assembly comprises a rotary air cylinder and a connecting piece, a piston rod of the rotary air cylinder is connected with one end of the connecting piece, and the side face of the connecting piece is welded with the placing frame; The vibration assembly comprises a bottom plate, an eighth driving motor, an eccentric wheel, a connecting rod, a second linear guide rail, an eighth sliding block and a sliding plate, wherein the eccentric wheel and the second linear guide rail are arranged on the bottom plate, an output shaft of the eighth driving motor is in interference fit with a central hole of the eccentric wheel, the eccentric wheel is connected with the connecting rod, the connecting rod is connected with the sliding plate, the eighth sliding block is fixedly connected with the sliding plate, the second linear guide rail is embedded in the eighth sliding block, the eighth sliding block is in sliding connection with the second linear guide rail, the sliding plate is driven by the eighth driving motor and the eccentric wheel to reciprocate along the direction in which the second linear guide rail is arranged, the damping assembly comprises a reference plate, a first damper and a second damper, the reference plate is arranged below the bottom plate, the first damper is arranged between the reference plate and the bottom plate, one end of the second damper is fixedly connected with the bottom plate through a connecting frame, and the other end of the second damper is fixedly connected with the workbench.
  10. 10. The automatic pretreatment equipment for detecting the forbidden azo dyes according to claim 1, wherein the solid feeding mechanism comprises a mounting bracket, a storage bin, a bin cover, a discharging port, a quantitative screw rod, a feeding cavity, a discharging nozzle, a feeding driving motor, a reduction gearbox and a sixth coupling, the storage bin is fixed above the mounting bracket, the bin cover is closed at the top of the storage bin through a threaded sealing cover, the discharging port at the bottom of the storage bin is in sealed butt joint with the feeding cavity, the quantitative screw rod is rotatably arranged in the feeding cavity, one end of the quantitative screw rod extends to the lower part of the discharging port, the feeding driving motor is fixed at a corresponding mounting position of the mounting bracket through a bolt, an output shaft of the feeding driving motor is connected with an input end of the reduction gearbox through the sixth coupling, an output end of the reduction gearbox is in transmission connection with an exposed end of the quantitative screw rod, the discharging nozzle is fixed at a bottom discharging port of the feeding cavity, the discharging nozzle is further provided with a cleaning assembly, the cleaning assembly comprises a fifth cylinder and a material receiving plate, the fifth cylinder is connected with the material receiving plate, the fifth cylinder is electrically connected with an electronic control system, and a piston rod of the fifth cylinder is electrically connected with an electronic control system through an expansion system.
  11. 11. The automatic pretreatment equipment for forbidden azo dye detection according to claim 1 is characterized in that a reagent bottle, a liquid adding box and a suction head placing frame are arranged on the area, close to the liquid feeding mechanism, of the workbench, target reagents required by the pretreatment of forbidden azo dyes are pre-installed in the liquid adding box and the reagent bottle, the suction head placing frame is used for placing suction heads required by the liquid feeding mechanism, the suction head placing frame is of a multi-layer structure, a plurality of placing areas are arranged on the suction head placing frame, and the number of placing positions of each placing area is identical to that of the placing positions of the carrying disc.
  12. 12. The automated equipment for disabling azo dye detection pretreatment of claim 11, wherein the liquid charging mechanism comprises a liquid charging machine, a liquid charging needle and a needle fixing seat, wherein the liquid charging needle is arranged on the needle fixing seat, the needle fixing seat is fixed on the gantry shifting mechanism, and the reagent bottle, the liquid charging machine and the liquid charging needle are communicated through a conveying pipeline.
  13. 13. A workflow for disabling an azo dye detection pretreatment automation device, the workflow being adapted for use with the azo dye detection pretreatment automation device of any one of claims 1-12, the workflow comprising: preparing sample cloth and placing test tubes, namely cutting the sample cloth, placing the obtained crushed cloth into the test tubes, placing the test tubes with the crushed cloth into a first placing hole of a carrying disc one by one, and placing the carrying disc with the test tubes at an inlet of a feeding mechanism; starting a feeding mechanism, wherein the feeding mechanism drives the carrier disc to be conveyed along a first linear guide rail, and when the carrier disc moves to a position corresponding to the clamping and positioning mechanism, the carrier disc is triggered by the induction of a first photoelectric sensor, the feeding mechanism stops running, and meanwhile, the blocking assembly is lifted; The test tube taking, placing and uncapping comprises a screwing clamping mechanism which is driven by a gantry shifting mechanism to move above a carrying disc, a second clamping jaw which clamps the test tube, and a fixing clamping jaw which clamps a positioning mechanism to move the test tube to be positioned; The first liquid feeding step comprises the steps of moving a liquid feeding mechanism to the upper part of a test tube under the drive of a gantry shifting mechanism, extracting citrate-sodium hydroxide solution in a reagent bottle, and accurately adding 8ml into the test tube, screwing a clamping mechanism to act again after the feeding is finished, screwing a test tube cover back onto the test tube, and repeating the actions of taking and putting the test tube, uncovering, feeding and screwing the test tube cover until the liquid feeding operation of all the test tubes in the whole carrying tray is completed; The first heating and heat preservation, namely grabbing the whole carrying disc by the grabbing carrying disc mechanism under the drive of the gantry shifting mechanism, transferring the carrying disc into a second water tank of the heating mechanism, starting a heating and heat preservation program to preserve heat of samples in test tubes for 30min, taking out the carrying disc by the grabbing carrying disc mechanism after heat preservation is finished, and transferring the carrying disc to a first linear guide rail corresponding to the clamping and positioning mechanism; The second liquid charging, namely, screwing the clamping mechanism to move to the upper part of the carrying disc, clamping the test tube, transferring to the clamping and positioning mechanism for positioning, unscrewing the cover of the test tube, moving the liquid charging mechanism to the upper part of the test tube, filling 2ml of sodium hydrosulfite solution into the test tube, screwing the clamping mechanism to screw back the cover of the test tube after filling, tilting the test tube through the rotating assembly, shaking the test tube under the reciprocating motion of the first conveying assembly to ensure that the solution is primarily mixed, and then placing the test tube back into the corresponding placing hole of the carrying disc; the second heating and heat preservation, namely grabbing the whole carrying disc again by the grabbing disc mechanism, transferring the whole carrying disc into a second water tank of the heating mechanism, and continuing to preserve heat for 30min; after the heat preservation is finished, the grabbing tray mechanism takes the tray out of the second water tank and transfers the tray into the first water tank of the cooling mechanism, and the test tube is cooled for 2min; The third feeding is carried out, namely, after cooling is finished, the carrying disc is grabbed by the carrying disc mechanism and is transferred to the position of the first linear guide rail corresponding to the clamping and positioning mechanism, the test tube is clamped by the screwing clamping mechanism and is transferred to the clamping and positioning mechanism for positioning, the cover of the test tube is unscrewed; Shaking and mixing, namely starting a feeding mechanism, transferring a carrier disc to a position corresponding to the shaking mechanism, moving a carrier disc moving assembly, transferring the carrier disc to a placing rack of the shaking mechanism, and compacting a test tube by a compacting assembly; and (3) moving out the carrier disc, namely after the oscillation is finished, moving the carrier disc by a carrier disc moving assembly, transferring the carrier disc from the shaking mechanism back to the feeding mechanism, starting the feeding mechanism, and conveying the test tube and the carrier disc subjected to the pretreatment of the forbidden azo dye to the next target position.

Description

Automatic equipment for disabling azo dye detection pretreatment and workflow thereof Technical Field The invention relates to the technical field of forbidden azo dye detection facilities, in particular to forbidden azo dye detection pretreatment automation equipment and a working flow thereof. Background The azo dye has excellent colorability, stability and chemical activity due to the characteristic azo group (-N=N-), is widely applied to the fields of dye industry (such as textile fabric dyeing), plastic processing (such as high polymer material coloring agent), agricultural chemicals (such as certain herbicides and bactericides) and the like, and is a key basic chemical in a modern industrial system. However, a great deal of researches and practices show that partial azo dyes (especially aromatic azo compounds) are easy to decompose under specific conditions (such as high temperature, acidic environment or biological metabolic process) to generate aromatic amine substances, wherein more than 20 aromatic amines are definitely listed as limited harmful substances, the substances can cause acute health problems such as skin allergy, respiratory tract irritation and the like, the long-term contact of the substances can also obviously increase the incidence risk of malignant tumors such as bladder cancer, liver cancer and the like, and meanwhile, the residues of the substances can also cause persistent pollution to ecological environment through water body and soil infiltration. The test process of the forbidden azo dye detection pretreatment is to take a certain mass of textile, add a certain volume of buffer solution, keep the temperature in a 70 ℃ water bath for 30min, then open the reactor, add a certain volume of reducing solution, shake the reactor, reduce the reactor in a 70 ℃ water bath for 30min, take the reactor out, cool the reactor to room temperature for 2min, then add a certain mass of extraction reagent (powder and liquid), press the textile, and take the upper liquid to carry out the test. However, the azo pretreatment equipment in the market at present generally only can realize a certain part of functions, and many operations also need manual assistance, so that the whole process automation of the whole forbidden azo dye detection pretreatment process cannot be realized, and the working efficiency is greatly reduced. Therefore, there is a need to design a forbidden azo dye detection pretreatment automation device capable of automatically completing the forbidden azo dye detection pretreatment process in the whole process, thereby improving the working efficiency. Disclosure of Invention In order to solve the technical problems, the invention provides a disabled azo dye detection pretreatment automation device, which comprises a workbench, a feeding mechanism, a clamping and positioning mechanism, a screwing and clamping mechanism, a gantry shifting mechanism, a grabbing carrier disc mechanism, a liquid feeding mechanism, a solid feeding mechanism, a cooling mechanism, a heating mechanism, a carrier disc moving assembly, a shaking mechanism and an electric control system; the feeding mechanism is fixedly arranged on the workbench and used for conveying the carrying disc to the corresponding target position of each procedure along a preset path; the clamping and positioning mechanism is arranged on the workbench and used for stably clamping the test tube and driving the test tube to move to each functional mechanism for corresponding operation; The screwing clamping mechanism is assembled on the gantry shifting mechanism and is used for clamping and transferring the test tube on the carrying disc into the clamping and positioning mechanism and synchronously unscrewing the test tube cover of the test tube, or screwing the test tube cover of the test tube on the clamping and positioning mechanism and transferring the processed test tube back to the carrying disc; The grabbing and carrying disc mechanism is arranged on the gantry shifting mechanism and is respectively arranged on different sides of the gantry shifting mechanism with the screwing clamping mechanism; the liquid feeding mechanism is arranged on the gantry shifting mechanism and is arranged on the same side surface of the gantry shifting mechanism as the screwing clamping mechanism; The solid feeding mechanism is arranged on the gantry shifting mechanism and is arranged on the same side surface of the gantry shifting mechanism as the screwing clamping mechanism; The cooling mechanism is arranged on the workbench and is used for performing low-temperature cooling treatment on the test tubes placed on the carrier plate; the heating mechanism is arranged on the workbench and is used for carrying out constant-temperature heating treatment on the test tube placed on the carrier plate; the carrier plate moving assembly is arranged on the workbench and used for receiving and moving the carrier plate into the shaking mechanism; The shaking