CN-121990247-A - Semi-automatic packaging line and packaging method

Abstract

The invention discloses a semi-automatic packaging line and a packaging method, wherein the packaging line comprises a packaging line bracket, and a metering feeding system, a bagging and bag holding system, a weight checking and bag supporting system, a bag clamping and stretching system, a rail lifting system, a carriage hanging and packaging system, a carriage moving system, a heat sealing system, a bag sewing system, a packaging conveying system, a hydraulic station and a controller which are arranged on the bracket.

Inventors

• Ruan yao
• RUAN YUGEN

Assignees

• 阮氏智能环保科技(常熟)有限公司

Dates

Publication Date

20260508

Application Date

20260409

Claims (10)

1. 1. The semi-automatic packaging line is characterized by comprising a packaging line bracket, and a metering and feeding system, a bagging and holding system, a weight checking and holding system, a bag clamping and tightening system, a rail lifting system, a carriage moving system, a heat sealing system, a bag sewing system, a packaging conveying system, a hydraulic station and a controller which are arranged on the bracket; The system comprises a metering feeding system, a bagging and holding system, a weight checking and bag supporting system, a bag clamping and stretching system, a heat sealing system, a bag sewing system, a packaging conveying system, a sealing station, a packaging conveying system and a control system, wherein the metering feeding system, the bagging and holding system and the weight checking and bag supporting system are sequentially arranged along the material flow direction to form a filling and weight checking station; The metering and feeding system comprises a telescopic cylinder top valve, a metering funnel and a stirring piston valve which are sequentially connected through a soft connecting piece, wherein the extending stroke of a piston valve cylinder shaft of the stirring piston valve is linked with a weight sensor of the metering funnel through a linkage device, so that the closing action of the piston valve is synchronous with the set weight of materials flowing into a packaging bag; the carriage hanging bag system comprises a main frame and an auxiliary frame which can move along a vehicle rail, and a side turning driving mechanism for driving the main frame and the auxiliary frame to move relatively so as to clamp or release packaging bags; The carriage moving system comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is detachably connected with the main frame, the second driving mechanism is detachably connected with the auxiliary frame, and the first driving mechanism and the second driving mechanism alternately act to drive the carriage to reciprocate between the filling station and the sealing station; The rail lifting system is used for lifting or descending the carriage so as to realize connection and disconnection between the first driving mechanism and the second driving mechanism and the main frame and between the first driving mechanism and the second driving mechanism and between the first driving mechanism and the auxiliary frame; The clamp bag tightening system is arranged on a main frame of the carriage hanging bag system; the heat sealing system and the bag sewing system are sequentially arranged along the moving direction of the carriage moving system; The package conveying system is arranged at the rear of the bag sewing system; the hydraulic station and the controller are used for providing power and control for each system.
2. 2. The semiautomatic packing line of claim 1, wherein the stirring piston valve comprises a stirrer and a piston valve, the stirrer comprises a stirring cavity, a stirring motor, a stirring shaft and stirring blades, the upper opening of the stirring cavity is connected with the bottom opening of the metering hopper, the lower opening of the stirring cavity is connected with the valve housing of the piston valve, the stirring shaft transversely penetrates through the stirring cavity and is driven by the stirring motor, and the stirring blades are fixed on the stirring shaft.
3. 3. The semiautomatic packing line according to claim 1, wherein the bagging and holding system comprises a discharge pipe and a clamping mechanism, wherein an upper opening of the discharge pipe is connected with an outlet of the piston valve, a circular cylinder body for sleeving a bag opening of the packing bag is arranged on an outer wall of a lower opening of the discharge pipe, the clamping mechanism comprises two rotary cylinders and two clamping rods, the two rotary cylinders are respectively and transversely fixed on two side walls of the middle part of the discharge pipe, and a shaft head of the rotary cylinders is connected with the clamping rods to drive the clamping rods to perform clamping or loosening actions.
4. 4. The semiautomatic packing line according to claim 1, wherein the weight inspection and package supporting system comprises a weight inspection lifting cylinder, a lifting tray and a ground balance, wherein the weight inspection lifting cylinder is vertically installed, the lifting tray is installed at the top end of a shaft head of the weight inspection lifting cylinder, a positioner is arranged on a cylinder shell of the lifting tray, and the ground balance is arranged on the lifting tray, and a weight sensor of the ground balance is electrically connected with the controller.
5. 5. The semiautomatic packing line according to claim 1, wherein the bag stretching system comprises a bag stretching cylinder and two pincers cylinders, the bag stretching cylinder is transversely mounted on an upper side rod of the main frame, two spindle heads of the bag stretching cylinder are respectively fixed with one pincers cylinder, the pincers cylinders are transversely mounted, spindle heads of the pincers cylinders are connected with a clamp, the clamp comprises a fixed pincers arm and a movable pincers arm which are hinged with each other, the fixed pincers arm is mounted on a cylinder shell of the pincers cylinders, and the movable pincers arm is driven by extension and contraction of a pincers cylinder shaft so as to realize opening and closing of a jaw.
6. 6. The semiautomatic packing line according to claim 1, wherein the rail lifting system comprises two rails and two rail lifting cylinders, the rail lifting cylinders are vertically installed with their axle heads upward and fixed with a rail supporting base plate, and the rails are fixedly installed on the rail supporting base plate through connecting pieces at their ends.
7. 7. The semiautomatic packing line according to claim 1, wherein the heat sealing system comprises two telescopic cylinders and two transverse clamping plates, the telescopic cylinders are arranged in the opposite directions of the shaft heads, the shaft heads of the telescopic cylinders respectively fix one transverse clamping plate, the bases of the telescopic cylinders are respectively fixed on the bracket cross beams, heating wires are embedded in one transverse clamping plate, and a power line of the heating wires is communicated with the second switch of the controller.
8. 8. The semiautomatic packing line according to claim 1, wherein the sewing machine of the sewing system is installed at the right side of the heat sealing system with a seam facing downward, and a power line is connected to the third switch of the controller.
9. 9. The semiautomatic packing line according to claim 1, wherein the packing and conveying system is a conveying belt, the conveying belt is installed below the right bottom of the support frame, one end of the conveying belt extends into the support frame and is positioned below the carriage hanging and packing system, and a motor power supply of the conveying belt is communicated with a fourth switch of the controller.
10. 10. A packaging method based on a semi-automatic packaging line according to any one of claims 1-9, characterized by comprising the steps of: (1) Responding to the manual bagging completion and starting signals, opening a telescopic cylinder top valve and starting a stirrer to enable materials to flow into a metering funnel; (2) When the weight of the materials in the metering hopper is larger than the preset multiple of the set packaging amount, closing the top valve, stopping stirring, and sending out a metering ready signal; (3) Responding to the metering ready signal, controlling a bagging and holding system to clamp a bag opening, and controlling a weight checking and supporting system to ascend so as to support the bottom of a packaging bag; (4) Opening the piston valve to fill materials, and controlling the piston valve to be closed through the actuator, so that the amount of the materials flowing into the packaging bag accurately reaches the set weight; (5) When the weight verification and package supporting system verifies that the weight is qualified and sends a qualified signal, an automatic handing-over and transferring process from a filling station to a sealing station of the packaging bag is executed, and the automatic handing-over and transferring process comprises the following steps: Controlling the first driving mechanism to act cooperatively with the rail lifting system to position and lift the empty carriage to a clamping bag position; The clamping and tightening system of the clamping bag and the carriage hanging bag system are controlled to cooperatively act to finish clamping and tightening of the packaging bag, and the clamping and tightening system is separated from the bagging and holding system and the weight checking and bag supporting system; Controlling the first driving mechanism to transfer the heavy-load carriage to the position of the heat sealing system; (6) At the sealing station, a heat sealing system and a bag sewing system are controlled to sequentially heat seal and sew the bag opening; (7) Controlling the second driving mechanism to transfer the carriage to the position above the package conveying system and releasing the package bags; (8) Executing a system resetting flow, controlling the packaging conveying system to output packaging bags, and controlling the second driving mechanism and the rail lifting system to transfer and descend the empty carriage to a position where the first driving mechanism can be connected with the main frame.

Description

Semi-automatic packaging line and packaging method Technical Field The invention relates to the technical field of automatic packaging machinery, in particular to a semi-automatic packaging line and a packaging method. Background Currently, packaging machines exist in the market in various types, but most of the packaging machines aim at packaging scenes with large capacity and single materials. For the condition that the stacking density of the same material changes, the existing packaging machine is difficult to stably operate, so that inaccurate metering and unqualified packaging are caused. In addition, the existing packaging machine generally adopts more than two power sources, such as pneumatic and electric, so that a control system is complex and maintenance is difficult. In the weight verification link, most of the equipment depends on manual operation, so that the efficiency is low, and the weight of part of packaging bags is easily caused to be substandard, so that the product quality is influenced. The existing bag transferring trolley mostly adopts complex structures such as a motor, a gear, a positioner and the like, so that the equipment cost is high and the control difficulty is high. Disclosure of Invention The semi-automatic packaging line and the packaging method provided by the invention have the functions of simple structure, stable operation, accurate measurement, strong compatibility and capability of automatically verifying the weight of the package, and the defects of the existing packaging machine are overcome. In order to solve the technical problems, the invention provides a semi-automatic packaging line which comprises a packaging line bracket, a metering and feeding system, a bagging and holding system, a weight checking and bag supporting system, a bag clamping and tightening system, a rail lifting system, a carriage hanging and packing system, a carriage moving system, a heat sealing system, a bag sewing system, a packaging and conveying system, a hydraulic station and a controller, wherein the metering and feeding system, the bagging and holding system, the weight checking and bag supporting system, the bag clamping and tightening system, the rail lifting system, the carriage hanging and packing system, the carriage moving system, the heat sealing system, the bag sewing system and the packaging and conveying system are arranged on the bracket; The system comprises a metering feeding system, a bagging and holding system, a weight checking and bag supporting system, a bag clamping and stretching system, a heat sealing system, a bag sewing system, a packaging conveying system, a sealing station, a packaging conveying system and a control system, wherein the metering feeding system, the bagging and holding system and the weight checking and bag supporting system are sequentially arranged along the material flow direction to form a filling and weight checking station; The metering and feeding system comprises a telescopic cylinder top valve, a metering funnel and a stirring piston valve which are sequentially connected through a soft connecting piece, wherein the extending stroke of a piston valve cylinder shaft of the stirring piston valve is linked with a weight sensor of the metering funnel through a linkage device, so that the closing action of the piston valve is synchronous with the set weight of materials flowing into a packaging bag; the carriage hanging bag system comprises a main frame and an auxiliary frame which can move along a vehicle rail, and a side turning driving mechanism for driving the main frame and the auxiliary frame to move relatively so as to clamp or release packaging bags; The carriage moving system comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is detachably connected with the main frame, the second driving mechanism is detachably connected with the auxiliary frame, and the first driving mechanism and the second driving mechanism alternately act to drive the carriage to reciprocate between the filling station and the sealing station; The rail lifting system is used for lifting or descending the carriage so as to realize connection and disconnection between the first driving mechanism and the second driving mechanism and the main frame and between the first driving mechanism and the second driving mechanism and between the first driving mechanism and the auxiliary frame; The clamp bag tightening system is arranged on a main frame of the carriage hanging bag system; the heat sealing system and the bag sewing system are sequentially arranged along the moving direction of the carriage moving system; The package conveying system is arranged at the rear of the bag sewing system; the hydraulic station and the controller are used for providing power and control for each system. In a preferred embodiment of the invention, the stirring piston valve comprises a stirrer and a piston valve, wherein the stirrer compri