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CN-122007110-A - Food analysis detects cleaning device

CN122007110ACN 122007110 ACN122007110 ACN 122007110ACN-122007110-A

Abstract

The invention relates to a food analysis detection cleaning device, which comprises a cleaning box body, wherein two sides of the cleaning box body can be vertically movably connected with bearing plates, a placement box is rotatably connected between the two bearing plates, a turnover mechanism for placing the box to rotate is arranged in the bearing plate on one side, a hollow disc is arranged below the cleaning box body, a plurality of spray needles are uniformly and fixedly arranged at intervals on the top of the hollow disc, a spray head is rotatably connected with the top of the spray needles, the spray head can rotate along with the driving of fluid sprayed by the spray needles, and two sides of the bottom of the hollow disc are connected with a water source and a gas bottle through a first connecting pipe and a second connecting pipe. According to the invention, the spray needle and the spray head at the top of the spray needle extend into the bottle from the bottle mouth, the spray head is driven to rotate at a high speed by utilizing high-pressure fluid sprayed by the tangentially inclined spray nozzle, the recess at the bottom and the periphery of the wall of the bottle are thoroughly washed and cleaned, and after the spray head is cleaned, the spray head is driven to continue to rotate and sweep by switching the dry gas, so that the liquid in the bottle is thoroughly blown off and discharged, and the spray head are combined, so that the cleaning and subsequent drying effects on the sample injection small bottle are improved.

Inventors

  • HE MIAO
  • ZENG LI
  • LI YANLI

Assignees

  • 绵阳市产品质量监督检验所

Dates

Publication Date
20260512
Application Date
20260326

Claims (9)

  1. 1. A food analysis detection cleaning device comprises a cleaning box body and is characterized in that two sides of the cleaning box body are vertically movably connected with bearing plates, a placement box is rotatably connected between the two bearing plates, the placement box is used for accommodating a sample injection small bottle, a turnover mechanism used for placing the box and rotating is arranged in the bearing plates, a hollow disc is arranged below the cleaning box body, a plurality of spray needles are uniformly and fixedly arranged at intervals at the top of the hollow disc, the bottom ends of the spray needles are communicated with a cavity inside the hollow disc, the top of the spray needles are rotatably connected with spray heads, the spray heads can rotate along with fluid driving of the spray needles, one side of the bottom of the hollow disc is fixedly connected with a first connecting pipe, the first connecting pipe is in sealing connection with a water source, the other side of the bottom of the hollow disc is fixedly connected with a second connecting pipe, the outer wall of one side of the cleaning box is fixedly provided with a gas bottle, and the second connecting pipe penetrates through the cleaning box body and is connected with the gas bottle.
  2. 2. The food analysis detection cleaning device according to claim 1, wherein the placement box is provided with a plurality of positioning holes for accommodating sample injection vials, and the positioning holes are arranged in one-to-one correspondence with the spray needles.
  3. 3. The food analysis detection cleaning device according to claim 1, wherein the spray head is rotatably connected with the top end of the spray needle through a miniature bearing, the outer ring of the miniature bearing is fixed with the spray needle, and the inner ring of the miniature bearing is fixedly connected with the outer wall of the spray head.
  4. 4. A food analysis detection cleaning device according to claim 3, wherein the nozzle side wall is circumferentially fixed with a plurality of first nozzles, the first nozzles are obliquely arranged along the tangential direction of the nozzle peripheral side wall, and the oblique directions of the first nozzles are consistent.
  5. 5. A food analysis detection cleaning device according to claim 4, wherein two or three first nozzles are circumferentially and uniformly arranged on the side wall of the spray head, and the axis of the first nozzles which are tangentially inclined forms a downward included angle of 5-10 degrees with the horizontal plane.
  6. 6. The food analysis detecting and cleaning device according to claim 5, wherein the top of the spray head is provided with a second nozzle which is vertically upwards or obliquely upwards and is used for impacting the concave part of the bottle bottom of the sample injection small bottle.
  7. 7. The food analysis detection cleaning device according to claim 1, wherein the turnover mechanism comprises a containing groove which is formed in the bearing plate, a rotating motor is fixedly arranged in the containing groove, an output shaft of the rotating motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with the side wall of the placing box.
  8. 8. The food analysis detection cleaning device according to claim 1, wherein a porous plate is fixedly arranged below the cleaning box body, threaded rods are rotatably connected to two sides of the top of the porous plate, lifting blocks are connected to the threaded rods in a threaded mode, the lifting blocks are fixedly connected with the side walls of the bearing plates, driving motors are fixedly arranged on two sides of the top of the cleaning box body, and the tops of the threaded rods are fixedly connected with output shafts of the driving motors.
  9. 9. The food analysis detection cleaning device according to claim 1, wherein the cleaning box body top is fixedly provided with a cleaning liquid tank, the inner wall of the cleaning box body top is fixedly provided with a cleaning disc, the bottom of the cleaning disc is uniformly and fixedly provided with a plurality of liquid injection pipes, the top ends of the liquid injection pipes are communicated with the cavity in the cleaning disc, the liquid injection pipes are arranged in one-to-one correspondence with the positioning holes on the placing box, one side of the cleaning box body top is fixedly provided with an infusion pump, the liquid inlet pipe of the infusion pump penetrates through and extends into the cleaning liquid tank, and the liquid outlet pipe of the infusion pump is fixedly connected with one side of the top of the cleaning disc.

Description

Food analysis detects cleaning device Technical Field The invention relates to the technical field of food detection cleaning equipment, in particular to a food analysis detection cleaning device. Background In the field of food safety analysis and detection, a sample injection small bottle is used as a core consumable of a precision analysis instrument such as gas chromatography, liquid chromatography and the like, and the cleanliness of the sample injection small bottle is directly related to the accuracy and reproducibility of an analysis result. Because the sample injection vial has the characteristics of small volume, narrow bottleneck, concave dead angle at the bottom of the vial and the like, often residual high-boiling-point, difficult-volatilization or strong-adsorptivity sample matrix, thorough cleaning of the sample injection vial is crucial to the accuracy of food detection analysis results. The traditional manual cleaning adopts a mode of scrubbing or soaking in batches one by one, so that the labor intensity is high, the efficiency is low, the cleaning device for the sample injection vials on the market adopts a fixed spray pipe or a simple plug-in type liquid injection structure, the water flow direction is single, the scouring force on the walls of the vials is limited, the cleaning effect is influenced, and after the cleaning, the cleaning effect is influenced by natural liquid discharge only through gravity. Disclosure of Invention The invention provides a food analysis detection cleaning device, which is used for solving the problems that the prior cleaning device for a sample injection small bottle mostly adopts a fixed spray pipe or a simple inserted liquid injection structure, the water flow direction is single, the scouring and cleaning effects on the bottle wall are limited, and the liquid is naturally discharged only by gravity after cleaning, and the bottle mouth of the sample injection small bottle is extremely small and the bottle bottom is concave, so that the water in the bottle is not easy to discharge under the action of the surface tension of the water, and the subsequent drying treatment of the sample injection small bottle is influenced. In order to solve the technical problems, the food analysis detection cleaning device comprises a cleaning box body, wherein two sides of the cleaning box body can be vertically and movably connected with bearing plates, a placing box is rotatably connected between the two bearing plates and used for placing sample injection vials, a turnover mechanism used for placing the boxes is arranged in one side of the bearing plates, a hollow disc is arranged below the cleaning box body, a plurality of spray needles are uniformly and fixedly arranged at intervals at the top of the hollow disc, the bottom ends of the spray needles are communicated with a cavity inside the hollow disc, the top of the spray needles are rotatably connected with spray heads, the spray heads can be driven by fluid sprayed by the spray needles to rotate, one side of the bottom of the hollow disc is fixedly connected with a first connecting pipe, the first connecting pipe is in sealing connection with a water source, the other side of the bottom of the hollow disc is fixedly connected with a second connecting pipe, and the outer wall of one side of the cleaning box body is fixedly provided with a gas cylinder which penetrates through the cleaning box body and is connected with the gas cylinder. Preferably, the placement box is provided with a plurality of positioning holes for accommodating sample injection vials, and the positioning holes are arranged in one-to-one correspondence with the spray needles. Preferably, the spray head is rotationally connected with the top end of the spray needle through a miniature bearing, the outer ring of the miniature bearing is fixed with the spray needle, and the inner ring of the miniature bearing is fixedly connected with the outer wall of the spray head. Preferably, a plurality of first nozzles are fixedly arranged on the circumference of the side wall of the spray head, the first nozzles are obliquely arranged along the tangential direction of the side wall of the periphery of the spray head, and the oblique directions of the first nozzles are consistent. Preferably, two or three first nozzles which are inclined in a tangential direction are uniformly arranged on the side wall of the spray head in the circumferential direction, and the axis of the first nozzles which are inclined in the tangential direction forms a downward included angle of 5-10 degrees with the horizontal plane. Preferably, the top of the spray head is provided with a second spray nozzle which is vertically upwards or obliquely upwards and is used for impacting the bottle bottom depression of the sample injection small bottle. Preferably, the turnover mechanism comprises a containing groove arranged in the bearing plate, a rotating motor is fixedly arranged in the