An automated packing system

By designing an automated bag-folding system, which utilizes the collaborative work of scissor folding machines, bag-folding machines, pre-compression packaging machines, and compression packaging machines, the problem of low folding efficiency of container bags has been solved, achieving efficient automated production and consistent quality, reducing labor intensity and improving the level of intelligence.

CN122276254APending Publication Date: 2026-06-26CHENGDU HENGXINHE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHENGDU HENGXINHE ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2026-05-27
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing folding methods for container bags mainly rely on manual or mechanical assistance, resulting in high labor intensity, low efficiency, poor automation integration, and difficulty in achieving efficient automated production.

Method used

An automated bag-stacking system was designed, including a scissor folding machine, a bag-stacking machine, a pre-compression packing machine, and a compression packing machine. The system realizes a fully automated production line through a control system. The modules are structurally optimized and work together to reduce manual intervention.

Benefits of technology

It significantly reduces manual labor input, improves production efficiency, ensures consistent folding and packaging quality, and enables real-time linkage and remote monitoring throughout the entire process, thereby enhancing the intelligence level of the production line.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention belongs to the field of FIBC (Flexible Intermediate Bulk Container) packaging technology and discloses an automated stacking system, including a scissor-folding machine, a bag-stacking machine, a transfer mechanism, a pre-compression strapping machine, a compression strapping machine, and a control system arranged sequentially. The scissor-folding machine completes the initial folding of the FIBC through an automatically detachable bag-supporting mechanism. The bag-stacking machine uses multiple independently driven folding plates and auxiliary pressing components to achieve precise stacking. The transfer mechanism rotates the stacked bags and sends them to the pre-compression strapping machine. The pre-compression strapping machine uses a counterweight anti-rebound device to stack and pre-compress the bags. The compression strapping machine uses a tiltable fabric mechanism to stack and bundle multiple strapping units again. The control system is used to realize the time-series linkage and status monitoring of the entire production line. This automated stacking system constructs a fully automated stacking production line, significantly reducing manual labor input. Through structural optimization and collaborative control of each module, it significantly improves the efficiency and consistency of folding and packaging.
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Description

Technical Field

[0001] This invention belongs to the field of container bag packaging technology, specifically relating to an automated stacking system. Background Technology

[0002] FIBCs, also known as bulk bags, space bags, flexible containers, ton bags, ton bags, space bags, or mother-daughter bags, are flexible transport packaging containers for transferring bulk materials. They have advantages such as large volume, light weight, moisture-proof, dust-proof, radiation-resistant, sturdy and safe, and easy to decorate. They are generally made of polyester fibers such as polypropylene and polyethylene, and have sufficient structural strength. FIBCs are usually equipped with four lifting lugs for lifting. After production, they need to be folded and packed for easy transportation and storage.

[0003] Currently, there are two main methods for folding FIBCs: manual folding and mechanical folding. Manual folding involves workers manually folding and arranging the FIBCs multiple times. This method is labor-intensive, time-consuming, and the folding effect is greatly affected by the worker's experience and condition. It is also difficult to standardize the folding process, which restricts the efficiency of downstream automated production and overall capacity. Mechanical folding uses mechanical equipment. Most existing folding machines operate independently, such as shaping machines and folding machines. During the mechanical folding process, manual assistance is required throughout, resulting in a large number of workers needed, low production efficiency, and poor automation.

[0004] In conclusion, there is an urgent need for an automated stacking system with optimized structure, simplified operation, and higher folding efficiency to complete the packaging operation of container bags. Summary of the Invention

[0005] The purpose of this invention is to solve the problems in the background art and provide an automated packing system. This packing system is a production line type, which consists of a folding machine, a bag stacking machine, a pre-compression packing machine and a compression packing machine arranged in sequence to form a fully automated packing production line. Only workers are needed at the beginning and end of the production line, and the rest of the process is completed automatically by the folding machinery, which effectively reduces the input of manual labor. In addition, the structure of each functional module has been improved, shortening the working time of each folding machine and greatly improving production efficiency.

[0006] The objective of this invention is achieved through the following technical solution: An automated bagging system includes a scissor folding machine, a bag stacking machine, a transfer mechanism, a pre-compression baling machine, a compression baling machine, and a control system arranged sequentially. The scissor folding machine, bag stacking machine, transfer mechanism, and pre-compression baling machine are arranged in sequence to form a bagging production line. The end of the pre-compression baling machine is connected to the compression baling machine. The compression baling machine is connected to the pre-compression baling machine of one or two bagging production lines. When connected to two production lines, the bagging efficiency can be significantly improved. The scissor folding machine is used to fold the bulk bags into sheets. The bag stacking machine is used to stack the sheet-like bulk bags. The transfer mechanism is used to transfer the stacked bulk bags to the pre-compression baling machine. The pre-compression baling machine is used to compress and bundle multiple stacked bulk bags into small bundles. The compression baling machine is used to compress and bundle several small bundles of bulk bags into a large bundle. The control system is electrically connected to the scissor folding machine, bag stacking machine, transfer mechanism, pre-compression baling machine, and compression baling machine, and controls the working sequence and coordinated actions of the scissor folding machine, bag stacking machine, transfer mechanism, pre-compression baling machine, and compression baling machine.

[0007] The scissor folding machine includes a folding frame, a folding mechanism, a bag-supporting mechanism, and a blower system. The folding frame is frame-shaped, with protective plates installed on both sides and the top. These plates divide the frame into a through-passage and create a protective space for the folding mechanism. The folding mechanism is installed inside the folding frame. At the front end of the folding mechanism is a bag-supporting mechanism for hanging the lifting lugs of the bulk bags and a blower system for blowing air into the bulk bags to keep them tightly against the inner wall of the folding mechanism.

[0008] The folding mechanism includes a folding base plate, folding side plates, a top plate frame, and a folding cylinder. The folding base plate is horizontally fixed to the bottom of the folding frame. The top plate frame is vertically slidably installed inside the folding frame via guide rails on both sides. The folding cylinder is installed on the top of the folding frame. The piston rod of the folding cylinder passes through the folding frame and connects to the top plate frame, driving the top plate frame to rise and fall within the folding frame. A folding top plate is installed on the bottom surface of the top plate frame. The folding top plate and the folding base plate are connected by symmetrically arranged folding side plates. The folding side plates include an upper side plate and a lower side plate. The top inner wall of the upper side plate is hinged to the bottom edge of the top plate frame via a hinge. The bottom outer wall of the upper side plate is hinged to the top outer wall of the lower side plate via a hinge. The bottom inner wall of the lower side plate is hinged to the side surface of the folding base plate. The folding side plates bend inward into the folding frame as the top plate frame rises and falls. Through the installation position of the hinges, the folding side plates fold inward relative to each other, thereby closing the container bag into a sheet shape.

[0009] The two sets of bag-supporting mechanisms are symmetrically installed on the folding frame at the front end of the folding mechanism. Each set of bag-supporting mechanisms includes two sets of hook linkage devices distributed vertically. The four hook linkage devices are aligned with the four lifting lugs of the container bag and are used to hook the four lifting lugs of the container bag to fix the container bag. The hook linkage device includes a mounting plate, a hook seat, a drive gear, and a lever assembly. The mounting plate is fixed to the folding frame with bolts. The drive gear and hook seat are mounted on the mounting plate via bearings. The hook seat is 90° sector-shaped, and teeth that mesh with the drive gear are machined on the outer wall of the sector-shaped hook seat. The drive gear drives the hook seat to rotate. A hook body with a 90° arc is machined on the hook seat. The rotation of the drive gear drives the hook seat to rotate, controlling the hook body to extend or retract from the folding frame. The drive gears of each hook linkage device are connected through a first synchronous wheel transmission mechanism to achieve synchronous movement of the two hook linkage devices. A first tension spring is installed between the hook seat and the mounting plate to reset the hook body. A limit pin is machined on the side of the drive gear near the mounting plate. A limit strip hole is machined on the mounting plate to slide with the limit pin. The limit strip hole is adapted to the rotation angle of the drive gear and the rotation angle of the hook body.

[0010] The actuating lever assembly is mounted on the drive gear of the upper hook linkage device. The actuating lever assembly includes a fixed rod and a rotating rod. The fixed rod is fixedly connected to the drive gear. The top of the fixed rod away from the drive gear has a first limiting groove for mounting the rotating rod. The rotating rod is rotatably mounted in the first limiting groove via a rotating shaft. The first limiting groove restricts the rotating rod to rotate 0°~90° above the fixed rod. A torsion spring is mounted on the rotating shaft to align the length direction of the rotating rod with that of the fixed rod. A push wheel that can abut against the rotating rod is mounted on the top plate frame. When the top plate frame descends, the rotating rod drives the fixed rod to rotate the drive gear, causing the hook seat to rotate and gradually retract the hook until the lifting lug is completely disengaged from the hook. At this point, the push wheel disengages from the rotating rod, the top plate frame continues to descend, and the bag support mechanism resets under the action of the first tension spring, causing the hook to extend again. When the top plate frame ascends, the push wheel moves upward from below the rotating rod, and the first limiting groove on the fixed rod provides clearance for the rotating rod, allowing the rotating rod to rotate within the first limiting groove. When the push wheel separates from the rotating rod again, the rotating rod resets under the action of the torsion spring.

[0011] The blower system includes a blower and a support arm. The blower is mounted on the top of the folding frame. The support arm is rotatably mounted on the outer wall of the folding frame. A longitudinal adjusting cylinder that can adjust the height of the support arm is installed on the outer wall of the folding frame. The end of the blower's air outlet pipe is connected to the end of the support arm. The end of the support arm is provided with a limiting ring to fix the blower's air outlet pipe. Multiple rotating joints can be set on the support arm as needed to flexibly control the air outlet direction of the blower.

[0012] The bag folding machine includes a base frame, a folding frame, a traction frame, a folding assembly, and an auxiliary pressing assembly. The base frame is installed at the rear end of the folding frame, and the folding frame is installed in the middle of the base frame surface along the direction of movement of the container bag. Two parallel guide rails are installed on the base frame on both sides of the folding frame. The traction frame is gantry-shaped, and the bottom ends of the traction frame are mounted on the guide rails via sliders. A mechanical claw is installed at the front end of the traction frame, and the traction frame drags the sheet-like container bag onto the folding frame via the mechanical claw. A traction motor is installed in the middle of the base frame, and a dual-output shaft reducer is connected to the output shaft of the traction motor. The two ends of the dual-output shaft reducer are respectively connected to symmetrical... The system includes a belt drive mechanism comprising a bearing support, a drive shaft, toothed pulleys, and a toothed belt. The bearing support is installed at both ends of the folding frame. One end of the drive shaft is connected to a dual-output shaft reducer, and the other end passes through the bearing support and is connected to an adjacent toothed pulley. The two toothed pulleys at the other end are connected by a synchronous shaft. The toothed belt is fitted onto two toothed pulleys on one side of the folding frame. The traction frame is connected to the toothed belt. The traction motor drives the traction frame to slide on the guide rail via the belt drive mechanism. The mechanical gripper clamps the folded container bag, and the belt drive mechanism, in conjunction with the mechanical gripper, drags the container bag onto the folding frame.

[0013] The folding assembly is mounted on the folding frame and includes a first folding plate, a second folding plate, a third folding plate, and a fourth folding plate. The first folding plate, the second folding plate, the third folding plate, and the fourth folding plate are arranged sequentially along the moving direction of the container bag. The third folding plate is fixed to the surface of the folding frame. The second folding plate and the fourth folding plate are hinged to the surface of the folding frame on the side closest to the third folding plate. The first folding plate is hinged to the surface of the folding frame on the side closest to the second folding plate. Folding devices are installed in the folding frame below the first folding plate, the second folding plate, and the fourth folding plate. The folding devices at different positions drive the first folding plate, the second folding plate, and the fourth folding plate to flip along the hinge.

[0014] The folding device includes a linear cylinder, a transmission seat, a transverse rack, a linear sliding assembly, a rotating shaft, a flipping gear, a first swing arm, and a second swing arm. The linear cylinder is horizontally installed inside the folding frame. The piston rod of the linear cylinder is connected to the transmission seat. The transmission seat is installed below the corresponding folding plate via the linear sliding assembly. The rotating shaft is rotatably installed below the transmission seat via a bearing seat, which is fixedly connected to the folding frame. The length of the rotating shaft is adapted to the length of the corresponding folding plate. A flipping gear is installed in the middle of the rotating shaft. A transverse rack that meshes with the flipping gear is installed on the bottom surface of the transmission seat. During the linear extension and retraction of the linear cylinder, the transmission seat is driven to translate along the linear sliding assembly, causing the transverse rack to mesh with the flipping gear and drive the flipping gear to rotate. First swing arms are fixedly installed at both ends of the rotating shaft. The end of the first swing arm away from the rotating shaft is hinged to one end of the second swing arm, and the other end of the second swing arm is hinged to the two bottom surfaces of the corresponding folding plate. The rotating shaft pushes the corresponding folding plate to flip through the first and second swing arms.

[0015] The auxiliary clamping components are installed on the bottom frames on both sides of the folding frame. There are four sets of auxiliary clamping components with the same structure, and each set of auxiliary clamping components is symmetrically arranged along the folding frame. The four sets of auxiliary clamping components are the first clamping component, the second clamping component, the third clamping component, and the fourth clamping component along the clamping step. The first clamping component, the second clamping component, and the third clamping component are arranged sequentially at the connection between the first folding plate, the second folding plate, the third folding plate, and the fourth folding plate. The fourth clamping component is arranged on the third folding plate. The third folding plate and the fourth folding plate are machined with two clearance grooves to facilitate the transfer claws on the transfer mechanism to pick up the container bag. The second folding plate is machined with clearance grooves symmetrical to those on the third folding plate.

[0016] The auxiliary pressing assembly includes a separating cylinder, a bracket, a rotating bag-pressing cylinder, and a pressure rod. A slide rail is installed on the bottom frame of one side of the folding frame to support the bracket as it approaches or moves away from the folding frame; the direction of the slide rail is perpendicular to the direction of the guide rail. The bottom of the bracket is slidably mounted on the slide rail. The separating cylinder is installed below the bottom frame and connected to the bottom of the bracket, used to drive the bracket to slide on the slide rail. A rotating bag-pressing cylinder is installed on the upper part of the bracket, and a pressure rod adapted to the height of the folding frame is installed on the rotating disk of the rotating bag-pressing cylinder. The pressure rod rotates and presses down on the container bag under the action of the rotating bag-pressing cylinder, and the rotation angle of the rotating bag-pressing cylinder is 90°. The stroke length of the separating cylinder is greater than the length of the pressure rod, so that the pressure rod can be completely pulled out of the folded container bag when the bracket moves away from the folding frame.

[0017] The transfer mechanism is installed on the bag stacking machine and the pre-compression packaging machine. The transfer mechanism includes a track fixing frame, a transfer support seat, a gear and rack lifting mechanism, a horizontal rotary cylinder, and transfer grippers.

[0018] The two ends of the track fixing frame are fixedly connected to the bag stacking machine and the pre-compression packaging machine. The track fixing frame is equipped with two parallel tracks, and a slidable transfer support seat is installed on the track. The track fixing frame is equipped with a second synchronous wheel transmission mechanism to drive the transfer support seat to move on the track fixing frame. The transfer support seat is machined with a vertical opening, and a vertically lifting boom is installed in the opening. Guide sliders that vertically limit the boom are installed on the inner walls on both sides of the opening. A gear and rack lifting mechanism that drives the boom to lift is installed on the transfer support seat on one side of the boom. The gear and rack lifting mechanism includes a rack vertically installed on the boom, a drive motor, and a gear connected to the output shaft of the drive motor. The gear meshes with the rack. A horizontal rotary cylinder is suspended at the bottom of the boom. The horizontal rotary cylinder has a rotation angle of 180°. A crossbeam is suspended on the rotation shaft of the horizontal rotary cylinder. Two transfer grippers are installed at the bottom of both ends of the crossbeam. The distance between the two transfer grippers is adapted to the distance of the clearance groove on the third folding plate. The width of the transfer grippers is smaller than the width of the clearance groove.

[0019] The pre-compression baling machine is used to pack five FIBCs into one unit. The pre-compression baling machine includes a baling frame, a pre-compression anti-rebound device, a conveying and pressing device, and a tunnel-type baling machine.

[0020] The baling frame is connected to the rear of the bag stacking machine. A pre-compression anti-rebound device is installed at the bottom of the baling frame, and a conveying and pressing device is installed at the top of the baling frame. The tunnel-type baling machine is installed on one side of the pre-compression anti-rebound device. The conveying and pressing device works in conjunction with the pre-compression anti-rebound device to feed the bulk bags into the tunnel-type baling machine for small bundle packing.

[0021] The pre-compression anti-rebound device includes a base frame, a support shaft, a first load-bearing conveyor belt, limiting claws, a pulley, and a counterweight box. Two limiting posts are installed at the front end of the base frame, and two uprights are installed at the rear end. The distance between the two limiting posts and the two uprights is adapted to the size of the folded container bag. Vertically arranged limiting rails are installed on the side walls of both the front and rear sides of the uprights. The first load-bearing conveyor belt is installed on the limiting rail on the front side of the uprights, and a counterweight box is installed on the limiting rail on the rear side of the uprights. The support shaft is horizontally installed on the top of the two uprights, and a freely rotatable pulley is installed in the middle of the support shaft. A traction rope is wound around the pulley, with one end connected to the first load-bearing conveyor belt and the other end connected to the counterweight box. The counterweight box provides weight to the first load-bearing conveyor belt and the container bag it carries, causing the first load-bearing conveyor belt to lift the container bag upwards. Two limiting claws are installed on the top of the limiting posts and face the uprights, limiting the top of the container bag.

[0022] The limiting claw includes a connecting plate, a pin, a claw seat, a claw body, and a second tension spring. The connecting plate is fixed to the top of the limiting post with screws. The pin is vertically mounted on the surface of the connecting plate, and a limiting tooth is machined at the bottom of the pin. The claw seat has a pin hole that matches the size of the pin. The claw seat is fitted onto the pin through the pin hole. A second limiting groove that matches the limiting tooth is also machined on the pin hole. The second limiting groove keeps the claw seat in a balanced or vertical state. The claw body is connected to the front end of the claw seat. One end of the second tension spring is connected to the end of the claw seat away from the claw body, and the other end is connected to the connecting plate. The second tension spring is used to keep the claw body in a horizontal state. When the second tension spring is stretched, the claw body remains in a vertical state.

[0023] The first load-bearing conveyor belt includes support rollers, conveyor support seats, support bars, a conveyor belt, support blocks, and load-bearing plates. Two support rollers are horizontally and rotatably mounted on the conveyor support seats. The conveyor belt is fitted around the outside of the two support rollers. One of the conveyor support seats is equipped with a motor that drives the support rollers to rotate. Each support roller is rotatably mounted on the conveyor support seat. Slides that can slide on limit rails are installed on the side walls of both conveyor support seats. Support bars are installed on both conveyor support seats. Support blocks placed inside the conveyor belt are installed on the inner walls of both ends of the support bars. Load-bearing plates are installed on the top of the support blocks. The load-bearing plates are at the same height as the top surfaces of the support rollers on both sides and support the bottom surface of the conveyor belt.

[0024] The counterweight box is a hollow cube with an open top, and a counterweight block can be placed inside the counterweight box; the traction rope can be a steel wire rope, hemp rope or chain, and when a chain is used, a sprocket is used for the pulley.

[0025] The conveying and pressing device includes a horizontal rail, a pressing bracket, a hydraulic rod, and a pressing plate. There are two horizontal rails, which are horizontally installed on the top of the packing machine frame. The pressing bracket is slidably installed on the horizontal rail. A third synchronous wheel transmission mechanism is installed on the packing machine frame to drive the pressing bracket to reciprocate horizontally on the horizontal rail. The pressing bracket is fixedly connected to the synchronous belt of the third synchronous wheel transmission mechanism. A vertically lifting hydraulic rod is installed on the pressing bracket. The bottom of the hydraulic rod is connected to the pressing plate. The length of the extended end of the limiting claw is spaced apart from the extended end of the hydraulic rod. A guide rod parallel to the hydraulic rod is also installed on the pressing plate.

[0026] The tunnel-type baler is equipped with a second load-bearing conveyor belt, and a gap is left between the first load-bearing conveyor belt and the second load-bearing conveyor belt to allow the baler belt to rotate.

[0027] The compression baler is connected to the end of the second load-bearing conveyor belt and is used to bundle the container bags completed by the four pre-compression balers into a large container bag. The compression baler includes a compressor frame, a pressure base plate, a hydraulic plate, a piercing strapping machine, and a fabric feeding mechanism.

[0028] The compressor frame has inlets at both ends and is installed between two second load-bearing conveyor belts. The compressor frame is frame-shaped and has support columns at its four corners. The pressure-bearing base plate is installed in the middle of the compressor frame. The hydraulic plate is suspended on the top of the compressor frame. A hydraulic device is installed on the top of the compressor frame to drive the hydraulic plate to move vertically toward the pressure-bearing base plate. The sword-piercing strapping machine is installed below the pressure-bearing base plate opposite to the projection position of the hydraulic plate. The sword-piercing mechanism of the sword-piercing strapping machine is installed on the bottom surface of the hydraulic plate.

[0029] The fabric placement mechanism is mounted on support columns between the hydraulic plate and the pressure base plate. The mechanism includes a support frame, double-slider shafts, bottom beams, a rigid chain motor, a fabric placement carriage, and a fourth synchronous wheel transmission mechanism. The support frame is welded from channel steel into a rectangle. Double-slider shafts, connected to each support column, are located on both sides of the outer wall of the support frame. These shafts can slide along the length of the support frame and the vertical direction of the support columns, and can also rotate relative to each other. Two bottom beams are located at the bottom of the support frame. A limit plate is machined in the middle of each bottom beam, and the limit plate has an upward-convex arc-shaped slot. A slidable support wheel is installed within the arc-shaped slot. A rigid chain motor is located below each bottom beam, mounted below the pressure base plate. The rigid chain link at the extended end of the rigid chain motor is hinged to the support wheel. The arc length of the arc-shaped slot is half the increase in length after the support frame is tilted, used to compensate for changes in the dimensions of the support frame.

[0030] The fabric cart is movably installed inside the support frame. The inner walls on both sides of the support frame are equipped with a fourth synchronous wheel transmission mechanism connected to the fabric cart. After the fourth synchronous wheel transmission mechanism drives the fabric cart to pick up material from the second load-bearing conveyor belt, it moves the container bag to the pressure plate above the sword-type strapping machine. The fabric cart is equipped with a third load-bearing conveyor belt, which can transport the container bag from the fabric cart to the pressure plate.

[0031] Two rigid chain motors are used to control the lifting and lowering of the support frame. In addition, the arc-shaped slots and double slider shafts on the limit plate can also control the tilting of the support frame on the support column. The fabric cart is equipped with a baffle to limit the movement of the container bag.

[0032] The control system includes a PLC controller, a touch screen, multiple sensor units, an execution drive unit, and a remote monitoring module. The PLC controller is electrically connected to the touch screen, multiple execution drive units, and the remote monitoring module via an industrial bus. The touch screen provides a human-machine interface. The sensor units include position sensors on the scissor folding machine, limit switches on the bag stacking machine, counting sensors on the pre-compression baling machine, and material detection sensors on the compression baling machine. The execution drive unit includes solenoid valve groups that drive the cylinders and frequency converters or servo drives that drive the motors. The PLC controller sends instructions to the execution drive unit based on feedback signals from the sensor units and preset program logic, thereby controlling the scissor folding machine, bag stacking machine, transfer mechanism, pre-compression baling machine, and compression baling machine to automatically complete the entire process of folding, bag stacking, transfer, pre-compression baling, and compression baling according to a set rhythm. The remote monitoring module is connected to the PLC controller via Ethernet for real-time monitoring of the production line's operating status, output statistics, and fault alarms.

[0033] The automated packing system provided by this invention has the following advantages: (1) The present invention constructs a fully automated bag-folding production line by sequentially setting up a scissor folding machine, a bag-folding machine, a pre-compression packaging machine and a compression packaging machine, and configuring a unified control system. Only workers are needed at the beginning and end of the production line, and the rest of the process is completed automatically by the machine, which significantly reduces manual input and reduces labor intensity. (2) Structural optimizations were made to each functional module: In the scissor folding machine, the automatic separation of the hook is achieved by the cooperation of the lever assembly and the push wheel, avoiding the need for additional power drive; In the bag stacking machine, the coordinated action of multiple folding plates and auxiliary pressing components is used to achieve precise multi-step folding; In the pre-compression packaging machine, a counterweight anti-rebound device is used to automatically maintain the compressed state of the container bag and prevent the stacked container bag from rebounding; In the compression packaging machine, a tiltable fabric mechanism is used to solve the problem of spatial interference during stacking. These improvements effectively shortened the working time of each process, greatly improved the overall production efficiency, and ensured the consistency of folding and packaging quality; (3) The control system adopts a main control PLC in conjunction with sensors and execution units to realize the time-series linkage and status monitoring of the entire production line. It can automatically complete the entire process from folding to final packaging, and has remote monitoring and fault alarm functions, which improves the intelligence level and operational reliability of the production line. Attached Figure Description

[0034] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a structural schematic diagram provided for an embodiment of the present invention.

[0036] Figure 2 This is a schematic diagram of the scissor folding machine provided in an embodiment of the present invention.

[0037] Figure 3 This is a schematic diagram of the internal structure of a scissor folding machine provided in an embodiment of the present invention.

[0038] Figure 4 This is a schematic diagram of the structure of the folding frame provided in an embodiment of the present invention.

[0039] Figure 5 A schematic diagram of the bag-supporting mechanism provided in an embodiment of the present invention. Figure 1 .

[0040] Figure 6 A schematic diagram of the bag-supporting mechanism provided in an embodiment of the present invention. Figure 2 .

[0041] Figure 7 This is a schematic diagram of the structure of a bag stacking machine provided in an embodiment of the present invention.

[0042] Figure 8 This is a schematic diagram of the internal structure of a bag stacking machine provided in an embodiment of the present invention.

[0043] Figure 9 This is a schematic diagram of the installation of the belt drive mechanism and traction frame provided in an embodiment of the present invention.

[0044] Figure 10 This is a schematic diagram of the folding device provided in an embodiment of the present invention.

[0045] Figure 11 This is a schematic diagram of the auxiliary clamping assembly provided in an embodiment of the present invention.

[0046] Figure 12 This is a schematic diagram of the transfer mechanism provided in an embodiment of the present invention.

[0047] Figure 13 This is a schematic diagram of the internal structure of the transfer support provided in an embodiment of the present invention.

[0048] Figure 14This is a schematic diagram of the pre-compression packaging machine provided in an embodiment of the present invention.

[0049] Figure 15 This is a schematic diagram illustrating the usage state of the pre-compression packaging machine provided in an embodiment of the present invention.

[0050] Figure 16 A schematic diagram showing the positions of the pre-compression anti-rebound device and the conveying pressing device provided in an embodiment of the present invention.

[0051] Figure 17 This is a schematic diagram of the pre-compression anti-rebound device provided in an embodiment of the present invention.

[0052] Figure 18 This is a schematic diagram of the structure of the first load-bearing conveyor belt provided in an embodiment of the present invention.

[0053] Figure 19 This is a schematic diagram of the internal structure of the first load-bearing conveyor belt provided in an embodiment of the present invention.

[0054] Figure 20 This is a schematic diagram of the limiting claw provided in an embodiment of the present invention.

[0055] Figure 21 This is a schematic diagram of the conveying and pressing device provided in an embodiment of the present invention.

[0056] Figure 22 This is a structural schematic diagram of a compression and packaging machine provided in an embodiment of the present invention.

[0057] Figure 23 This is a schematic diagram of the fabric-making mechanism provided in an embodiment of the present invention.

[0058] Figure 24 This is a schematic diagram of the installation of the fabric carriage and the fourth synchronous wheel transmission mechanism provided in an embodiment of the present invention.

[0059] Figure 25 This is a schematic diagram of the installation of the bottom beam and the rigid chain motor provided in an embodiment of the present invention.

[0060] Marked in the image: 1. Scissor folding machine; 11. Folding frame; 1101. Protective plate; 12. Folding mechanism; 1201. Folding base plate; 1202. Folding side plate; 1203. Upper side plate; 1204. Lower side plate; 1205. Top plate frame; 1206. Folding top plate; 1207. Folding cylinder; 1208. Push wheel; 1209. Hinge; 13. Bag support mechanism; 1301. Hook linkage device; 1302. Mounting plate; 1303. Limiting strip hole; 1304. Hook seat; 1305. 1306. Drive gear; 1307. Hook body; 1308. First tension spring; 1309. Limiting pin; 1310. First synchronous pulley transmission mechanism; 1311. Actuating rod assembly; 1312. Fixed rod; 1313. First limiting groove; 1314. Rotating rod; 1315. Torsion spring; 14. Blowing system; 1401. Blower; 1402. Support arm; 1403. Longitudinal adjusting cylinder; 1404. Limiting ring; 1405. Rotating joint; 2. Bag stacking machine; 21. Base frame; 2101. Guide rail; 2102. Traction motor; 2103. Dual output shaft reducer; 2104. Slide rail; 2105. Belt drive mechanism; 2106. Bearing support seat; 2107. Drive shaft; 2108. Toothed pulley; 2109. Toothed belt; 2110. Synchronous shaft; 22. Folding frame; 23. Traction frame; 2301. Slider; 2302. Mechanical gripper; 24. Folding assembly; 241. First folding plate; 242. Second folding plate; 243. Third folding plate; 244. Fourth folding plate 245. Folding device; 2451. Linear cylinder; 2452. Transmission seat; 2453. Transverse rack; 2454. Linear sliding assembly; 2455. Rotating shaft; 2456. Reversing gear; 2457. First swing arm; 2458. Second swing arm; 2459. Clearance groove; 25. Auxiliary pressing assembly; 2501. Separation cylinder; 2502. Bracket; 2503. Rotary pressing cylinder; 2504. Pressing rod; 26. First pressing assembly; 27. Second pressing assembly; 28. Third pressing assembly; 29. ​​Fourth pressing assembly; 3. Transfer agency; 301. Track fixing frame; 302. Transfer support base; 303. Second synchronous pulley transmission mechanism; 304. Through port; 305. Hoist; 306. Guide slider; 307. Gear and rack lifting mechanism; 308. Horizontal rotary cylinder; 309. Crossbeam; 310. Transfer gripper; 4. Pre-compression packaging machine; 41. Packing machine frame; 42. Pre-compression anti-rebound device; 421. Base frame; 4201. Limiting post; 4202. Upright column; 4203. Limiting rail; 422. Support shaft; 423. First load-bearing conveyor belt; 4231. Support roller; 4232. Conveyor support seat; 4233. Support bar; 4234. Conveyor belt; 4235. Support block; 4236. Load-bearing plate; 424. Limiting claw; 4241. Connecting plate; 4242. Pin shaft; 424 3. Claw base; 4244. Claw body; 4245. Second tension spring; 4246. Limiting tooth; 4247. Pin hole; 4248. Second limiting groove; 425. Roller pulley; 4251. Traction rope; 426. Counterweight box; 43. Conveying and pressing device; 431. Cross rail; 432. Pressing bracket; 433. Hydraulic rod; 434. Pressing plate; 435. Third synchronous pulley transmission mechanism; 436. Guide rod; 44. Channel-type baler; 45. Second load-bearing conveyor belt; 5. Compression and baling machine; 51. Compressor frame; 52. Support column; 53. Pressure-bearing base plate; 54. Hydraulic plate; 55. Piercing strapping machine; 56. Fabric laying mechanism; 5601. Support frame; 5602. Double slider shaft; 5603. Bottom beam; 5604. Limiting plate; 5605. Arc-shaped slot; 5606. Support wheel; 5607. Rigid chain motor; 5608. Fabric laying trolley; 5609. Third load-bearing conveyor belt; 5610. Fourth synchronous pulley transmission mechanism; 5611. Baffle; 57. Hydraulic device; 6. Control system; 7. Container bags; 71. Lifting lugs. Detailed Implementation

[0061] like Figures 1-25 As shown, the automated packing system provided in this embodiment includes a scissor-folding machine 1, a bag-stacking machine 2, a transfer mechanism 3, a pre-compression packing machine 4, a compression packing machine 5, and a control system 6 arranged sequentially. The scissor-folding machine 1, bag-stacking machine 2, transfer mechanism 3, and pre-compression packing machine 4 are arranged sequentially to form a packing production line. The end of the pre-compression packing machine 4 is connected to the compression packing machine 5. In this embodiment, the compression packing machine 5 is connected to the pre-compression packing machines 4 of two packing production lines to improve packing efficiency. The control system 6 is electrically connected to the scissor-folding machine 1, bag-stacking machine 2, transfer mechanism 3, pre-compression packing machine 4, and compression packing machine 5, and controls the scissor-folding machine 1, bag-stacking machine 2, transfer mechanism 3, pre-compression packing machine 4, and compression packing machine 5 to work collaboratively.

[0062] like Figures 2-6 As shown, the scissor folding machine 1 includes a folding frame 11, a folding mechanism 12, a bag-supporting mechanism 13, and a blower system 14.

[0063] like Figure 2As shown, the folding frame 11 is frame-shaped, with protective plates 1101 installed on both sides and top. The protective plates 1101 divide the folding frame 11 into a through-passage and enclose a protective space for the folding mechanism 12, which is installed inside the folding frame 11. Figure 3 , Figure 4 As shown, the folding mechanism 12 includes a folding base plate 1201, folding side plates 1202, a top plate frame 1205, and a folding cylinder 1207. The folding base plate 1201 is horizontally fixed to the bottom of the folding frame 11. The top plate frame 1205 is vertically slidably mounted inside the folding frame 11 via guide rails 2101 on both sides. The folding cylinder 1207 is mounted on the top of the folding frame 11. The top of the piston rod of the folding cylinder 1207 passes through the folding frame 11 and connects to the top plate frame 1205, driving the top plate frame 1205 to rise and fall within the folding frame 11. A folding top plate 1206 is mounted on the bottom surface of the top plate frame 1205. The folding top plate 1206 and the folding base plate 1201 are connected by symmetrically arranged folding... The side panel 1202 is connected, and the folding side panel 1202 includes an upper side panel 1203 and a lower side panel 1204. The top inner wall of the upper side panel 1203 is hinged to the bottom edge of the top plate frame 1205 by a hinge 1209. The bottom outer wall of the upper side panel 1203 is hinged to the top outer wall of the lower side panel 1204 by a hinge 1209. The bottom inner wall of the lower side panel 1204 is hinged to the side edge of the folding bottom plate 1201. When the folding cylinder 1207 drives the top plate frame 1205 to move downward, the folding side panel 1202 follows the rising and falling top plate frame 1205 and bends inward toward the folding frame 11. Through the installation position of the hinge 1209, the folding side panel 1202 bends inward and closes, thereby closing and folding the container bag 7 into a sheet shape.

[0064] like Figure 3 , Figure 5 , Figure 6As shown, two sets of bag-supporting mechanisms 13 are symmetrically installed on the folding frame 11 at the front end of the folding mechanism 12. Each set of bag-supporting mechanisms includes two sets of hook linkage devices 1301 distributed vertically. The hook linkage devices 1301 are used to hook the four lifting lugs 71 of the container bag 7 to fix the container bag 7 and facilitate subsequent folding processing. The hook linkage device 1301 includes a mounting plate 1302, a hook seat 1304, a drive gear 1306, and a lever assembly. The mounting plate 1302 is fixed to the folding frame 11 by bolts. The drive gear 1306 and the hook seat 1304 are rotatably mounted on the mounting plate 1302 by bearings. On plate 1302, hook seat 1304 is 90° sector-shaped. Teeth 1305 that mesh with drive gear 1306 are machined on the outer wall of the sector-shaped hook seat 1304. An arc-shaped hook body 1307 with a 90° arc is machined in the rotation direction of the hook seat 1304. The rotation of drive gear 1306 drives hook seat 1304 to rotate. When hook seat 1304 rotates, it controls hook body 1307 to extend out of or retract into folding frame 11, achieving automatic separation of hook body 1307 from lifting lug 71. The drive gear 1306 of each hook linkage device 1301 is connected via a first... A synchronous pulley transmission mechanism 1310 is connected. The first synchronous pulley transmission mechanism 1310 includes two synchronous pulleys and a synchronous belt mounted on the two synchronous pulleys. The two synchronous pulleys are respectively mounted on the two drive gears 1306 of each set of hook linkage devices 1301. The first synchronous pulley transmission mechanism 1310 connects the two hook linkage devices 1301, so that the two hook linkage devices 1301 can achieve synchronous movement with only one power source. This allows the bag-supporting mechanism 13 to follow the folding mechanism 12, improving the linkage effect. A hook body 13 is installed between the hook seat 1304 and the mounting plate 1302. The first tension spring 1308 resets the hook body 1307. After the hook body 1307 is separated from the lifting lug 71, the hook body 1307 can extend again to facilitate the folding of the next container bag 7. In order to prevent the drive gear 1306 from rotating excessively under the action of inertia, a limit pin 1309 is machined on the side of the drive gear 1306 near the mounting plate 1302. The mounting plate 1302 is machined with a limit strip hole 1303 that matches the sliding angle of the limit pin 1309. The limit strip hole 1303 is adapted to the rotation angle of the drive gear 1306 and the rotation angle of the hook body 1307.

[0065] like Figure 6As shown, the actuating lever assembly 1311 is mounted on the drive gear 1306 of the upper hook linkage device 1301. The actuating lever assembly includes a fixed rod 1312 and a rotating rod 1314. The fixed rod 1312 is fixedly connected to the drive gear 1306. The top of the fixed rod 1312 away from the drive gear 1306 has a first limiting groove 1313 for mounting the rotating rod 1314. The rotating rod 1314 is rotatably mounted in the first limiting groove 1313 via a rotating shaft. The first limiting groove 1313 allows the rotating rod 1314 to rotate 0°~90° above the fixed rod 1312. A torsion spring 1315 is mounted on the rotating shaft to make the rotating rod 1314 and the fixed rod 1312 collinear in the length direction. Top plate frame A push wheel 1208 is installed on the top plate frame 1205, which can abut against the rotating rod 1314. When the top plate frame 1205 moves downward, the rotating rod 1314 drives the fixed rod 1312 to rotate the drive gear 1306, causing the hook seat 1304 to rotate and drive the hook body 1307 to gradually retract until the lifting lug 71 is completely disengaged from the hook body 1307. At this time, the push wheel 1208 disengages from the rotating rod 1314, the top plate frame 1205 continues to move downward, and the bag support mechanism 13 resets under the action of the first tension spring 1308, causing the hook body 1307 to extend again to await the folding of the next container bag 7. When the top plate frame 1205 moves upward, the push wheel 1208 moves upward from below the rotating rod 1314. At this time, the fixed rod 1312... The first limiting groove 1313 provides clearance space for the rotating rod 1314, allowing the rotating rod 1314 to rotate within the first limiting groove 1313. When the push wheel 1208 separates from the rotating rod 1314 again, the rotating rod 1314 resets under the action of the torsion spring 1315, waiting for the top plate frame 1205 to descend again and contact the push wheel 1208. The push wheel 1208 contacts the rotating rod 1314, converting sliding friction into rolling friction, which improves the smoothness of the folding mechanism 12 when driving the bag support mechanism 13 to move. The blowing system 14 includes a blower 1401 and a support arm 1402. The blower 1401 is installed on the top of the folding frame 11, and the support arm 1402 is rotatably installed on the folding frame 11. On the outer wall of the frame 11, a longitudinal adjusting cylinder 1403 is installed to adjust the height of the support arm 1402. The working height of the support arm 1402 is adjusted. The end of the air outlet pipe of the blower 1401 is connected to the end of the support arm 1402. The end of the support arm 1402 is provided with a limiting ring 1404 to fix the air outlet pipe of the blower 1401. Multiple rotating joints 1405 can be set on the support arm 1402 as needed to flexibly control the air outlet direction of the blower 1401. The rotatable design of the support arm 1402 allows the air outlet pipe of the blower 1401 to be moved away when installing the container bag 7, so that the operator has more operating space to place the container bag 7 and improves the convenience of operation.

[0066] like Figures 7-11As shown, the bag stacking machine 2 includes a base frame 21, a folding frame 22, a traction frame 23, a folding assembly 24, and an auxiliary pressing assembly 25. Figure 7 , Figure 8 As shown, the bottom frame 21 is installed at the rear end of the folding frame 11. The folding frame 22 is installed in the middle of the surface of the bottom frame 21 along the direction of movement of the container bag 7. Two parallel guide rails 2101 are installed on the bottom frame 21 on both sides of the folding frame 22. The traction frame 23 is gantry-shaped. The bottom ends of the traction frame 23 are installed on the guide rails 2101 through sliders 2301. A mechanical claw 2302 is installed at the front end of the traction frame 23. A traction motor 2102 is installed in the middle of the bottom frame 21. A dual-output shaft reducer 2103 is connected to the output shaft of the traction motor 2102. The two ends of the dual-output shaft reducer 2103 are respectively connected to symmetrically arranged belt drive mechanisms 2105. The belt drive mechanism 2105 includes a bearing support 2106, a drive shaft 2107, a toothed pulley 2108, and a toothed belt 2109. Bearing support seats 2106 are installed at both ends of the folding frame 22. One end of the drive shaft 2107 is connected to the dual output shaft reducer 2103, and the other end passes through the bearing support seat 2106 and is connected to the adjacent toothed pulley 2108. The two toothed pulleys 2108 at the other end are connected by a synchronous shaft 2110. The toothed belt 2109 is fitted on the two toothed pulleys 2108 on one side of the folding frame 22 to maintain the smooth rotation of the belt drive mechanism 2105. The traction frame 23 is connected to the toothed belt 2109. The traction motor 2102 drives the traction frame 23 to slide on the guide rail 2101 through the belt drive mechanism 2105. The mechanical claw 2302 clamps the folded container bag 7, and the belt drive mechanism 2105 and the mechanical claw 2302 drag the container bag 7 onto the folding frame 22 to wait for stacking.

[0067] like Figure 7 , Figure 8 As shown, the folding assembly 24 is installed on the folding frame 22. The folding assembly 24 includes a first folding plate 241, a second folding plate 242, a third folding plate 243, and a fourth folding plate 244. The first folding plate 241, the second folding plate 242, the third folding plate 243, and the fourth folding plate 244 are arranged sequentially along the moving direction of the container bag 7. The third folding plate 243 is fixed to the surface of the folding frame 22. The second folding plate 242 and the fourth folding plate 244 are hinged to the surface of the folding frame 22 on the side near the third folding plate 243. The first folding plate 241 is hinged to the surface of the folding frame 22 on the end near the second folding plate 242. Folding devices 245 are installed in the folding frame 22 below the first folding plate 241, the second folding plate 242, and the fourth folding plate 244. The folding devices 245 at different positions drive the first folding plate 241, the second folding plate 242, and the fourth folding plate 244 to flip along the hinge, thereby performing a stacking operation on the folded container bag 7.

[0068] like Figure 10 As shown, the folding device 245 includes a linear cylinder 2451, a transmission seat 2452, a transverse rack 2453, a linear sliding assembly 2454, a rotating shaft 2455, a reversing gear 2456, a first swing arm 2457, and a second swing arm 2458. The linear cylinder 2451 is horizontally installed inside the folding frame 22. The transmission seat 2452 is installed below the corresponding folding plate via the linear sliding assembly 2454. The piston rod of the linear cylinder 2451 is connected to the transmission seat 2452. The rotating shaft 2455 is rotatably installed below the transmission seat 2452 via a bearing seat, which is fixedly connected to the folding frame 22. The length of the rotating shaft 2455 is adapted to the length of the corresponding folding plate. The reversing gear 2456 is installed in the middle of the rotating shaft 2455. The transmission seat 2452 has a transverse rack 2453 that meshes with the flipping gear 2456 on its bottom surface. During the linear extension and retraction of the linear cylinder 2451, the transmission seat 2452 is driven to translate along the linear sliding component 2454, so that the transverse rack 2453 meshes with the flipping gear 2456 and pushes the flipping gear 2456 to rotate. Both ends of the rotating shaft 2455 are fixedly installed with a first rocker arm 2457. The end of the first rocker arm 2457 away from the rotating shaft 2455 is hinged to one end of the second rocker arm 2458. The other end of the second rocker arm 2458 is hinged to the bottom surfaces of the two sides of the corresponding folding plate. The rotating shaft 2455 pushes the corresponding folding plate to flip through the first rocker arm 2457 and the second rocker arm 2458 to perform folding processing on the container bag 7.

[0069] like Figure 11As shown, the auxiliary pressing assembly 25 is installed on the bottom frame 21 on both sides of the folding frame 22. The auxiliary pressing assembly 25, together with the first folding plate 241, the second folding plate 242, the third folding plate 243, and the fourth folding plate 244, pre-compresses the container bag 7 to ensure that the folded container bag 7 has a consistent shape, which facilitates the subsequent packaging of the container bag 7. There are four sets of auxiliary pressing assemblies 25 with the same structure. Each set of auxiliary pressing assemblies 25 is symmetrically arranged along the folding frame 22. The auxiliary pressing assembly 25 includes a separation cylinder 2501, a bracket 2502, a rotating bag pressing cylinder 2503, and a pressure rod 2504. A support bracket 2502 is mounted on the bottom frame 21 on one side of the frame 22 via a slide rail 2104 that moves the bracket closer to or further away from the folding frame 22. The slide rail 2104 is perpendicular to the guide rail 2101. The bottom of the bracket 2502 is slidably mounted on the slide rail 2104. A separation cylinder 2501 is mounted below the bottom frame 21 and is connected to the bottom of the bracket 2502, causing the bracket 2502 to slide on the slide rail 2104, thus moving the bracket closer to or further away from the folding frame 22. A rotary bag-pressing cylinder 2503 is mounted on the upper part of the bracket 2502. A rotary bag-pressing cylinder 2503 has a rotating disc mounted on it. A pressure rod 2504, adapted to the height of the folding frame 22, is installed. Under the action of a rotary bag-pressing cylinder 2503, the pressure rod 2504 rotates and presses down on the container bag 7. The rotation angle of the rotary bag-pressing cylinder 2503 is 90°. The stroke length of the separating cylinder 2501 is greater than the length of the pressure rod 2504. When the bracket 2502 moves away from the folding frame 22, the pressure rod 2504 of the separating cylinder 2501 can be completely pulled out from the folded container bag 7, achieving separation from the packaging bag. The four sets of auxiliary pressing components 25, along the pressing steps, are respectively the first pressing component 26, the second pressing component 27, the third pressing component 28, and... The fourth clamping assembly 29 is provided, wherein the first clamping assembly 26, the second clamping assembly 27, and the third clamping assembly 28 are sequentially arranged at the connection between the first folding plate 241, the second folding plate 242, the third folding plate 243, and the fourth folding plate 244. Specifically, the first clamping assembly 26 is arranged between the first folding plate 241 and the second folding plate 242, the second clamping assembly 27 is arranged between the second folding plate 242 and the third folding plate 243, the third clamping assembly 28 is arranged between the third folding plate 243 and the fourth folding plate 244, and the fourth clamping assembly 29 is arranged on the third folding plate 243.In use, firstly, the first pressing component 26 presses down on the packaging bag. Then, the first folding plate 241 folds towards the second folding plate 242 under the action of the corresponding folding device 245, folding the portion of the container bag 7 with the lifting lugs 71 inside the stack to ensure a consistent shape after stacking. Next, the third auxiliary pressing component 25 presses down on the packaging bag, and the fourth folding plate 244 folds towards the third folding plate 243 under the action of the folding device 245, shaping the packaging bag into a shape that matches the contours of the second folding plate 242 and the third folding plate 243. Then, the fourth pressing component 29 and the second pressing component 27 press down on the packaging bag again, followed by the first pressing component 26 and the third pressing component 27 pressing down on the packaging bag. Component 28 is pushed away from the folding frame 22 by the separation cylinder 2501 and reset (pressure rod 2504 facing upwards). The first folding plate 241 and the fourth folding plate 244 are then reset. Then, the second folding plate 242 is folded towards the third folding plate 243 under the action of the folding device 245 to form the container bag 7. Since the fourth pressing component 29 is located on the third folding plate 243, and the fourth pressing component 29 needs to press the container bag 7 before the fourth folding plate 244 is reset, the fourth folding plate 244 needs to be machined with a relief groove 2459 that matches the contour of the fourth pressing component 29. Finally, the folded container bag 7 is removed by the transfer mechanism 3. In order to facilitate the transfer mechanism 3 to grab the container bag 7. The third folding plate 243 and the adjacent fourth folding plate 244 are machined with two clearance grooves 2459 for the transfer claws 310 of the transfer mechanism 3 to clamp the container bag 7. The two clearance grooves 2459 are parallel. The second folding plate 242 is machined with clearance grooves 2459 that are symmetrical to those of the third folding plate 243. The clearance grooves 2459 on the second folding plate 242 are clearance spaces for the transfer mechanism 3 when clamping the container bag 7. When the transfer mechanism 3 is working, it extends into the gap of the fourth folding plate 244 and then moves laterally to the clearance grooves 2459 at the second folding plate 242 and the third folding plate 243 to clamp the stacked container bag 7. At this time, the second pressing component 27 and the fourth pressing component 29 are pushed away from the folding frame 22 by the separation cylinder 2501 and reset. The second folding plate 242 is reset and the container bag 7 is clamped by the transfer mechanism 3 and sent into the pre-compression packaging machine 4. The auxiliary pressing component 25 enables rapid pressing and separation of the container bag 7 without any extra steps.

[0070] like Figure 12 , Figure 13As shown, the transfer mechanism 3 is installed on the bag-stacking machine 2 and the pre-compression baling machine 4. A track fixing frame 301, which can move horizontally between the bag-stacking machine 2 and the pre-compression baling machine 4, is installed on the transfer mechanism 3. Both ends of the track fixing frame 301 are fixedly connected to the bag-stacking machine 2 and the pre-compression baling machine 4. Two parallel tracks are installed on the track fixing frame 301, and a sliding transfer support seat 302 is installed on the tracks. A second synchronous pulley transmission mechanism 303 is installed on the track fixing frame 301 to drive the transfer support seat 302 to move on the track fixing frame 301. The second synchronous pulley transmission mechanism 303 includes two synchronous pulleys and a synchronous belt connecting the two pulleys. The two synchronous pulleys are installed at both ends of the tracks, and a servo drive motor is connected to one of the synchronous pulleys. The transfer support seat 302 is fixedly connected to the synchronous belt, and the rotating synchronous belt drags the transfer support seat 302 to slide on the tracks. A vertical opening 304 is machined on the transfer support seat 302. The 04 is equipped with a vertically lifting boom 305. The inner walls on both sides of the opening 304 are equipped with guide sliders 306 for vertically limiting the boom 305. The transfer support seat 302 on one side of the boom 305 is equipped with a gear and rack lifting mechanism 307 that drives the boom 305 to rise and fall. The gear and rack lifting mechanism 307 includes a rack vertically installed on the boom 305, a drive motor and a gear connected to the output shaft of the drive motor. The gear meshes with the rack. A horizontal rotary cylinder 308 is suspended at the bottom of the boom 305. The rotation angle of the horizontal rotary cylinder 308 is 180°. A crossbeam 309 is suspended on the rotation shaft of the horizontal rotary cylinder 308. Two transfer grippers 310 are installed at the bottom of both ends of the crossbeam 309. The distance between the two transfer grippers 310 is adapted to the distance of the clearance groove 2459 on the third folding plate 243. At the same time, the width of the transfer grippers 310 is smaller than the width of the clearance groove 2459. When clamping is required, the second synchronous wheel transmission mechanism 303 drives the boom 305 to move onto the fourth folding plate 244. Then, the gear and rack lifting mechanism 307 controls the boom 305 to move downward, so that the two transfer grippers 310 enter the clearance groove 2459. At this time, the two transfer grippers 310 remain open. Then, the second synchronous wheel transmission mechanism 303 controls the boom 305 to move toward the third folding plate 243, so that the stacked container bag 7 is within the clamping range of the transfer grippers 310. Then, the transfer grippers 310 clamp the container bag 7. The gear and rack lifting mechanism 307 then drives the boom 305 to move upward to a height exceeding the height of the pre-compression anti-rebound device 42, and moves the container bag 7 toward the pre-compression anti-rebound device 42 through the second synchronous wheel transmission mechanism 303. During the movement, the horizontal rotary cylinder 308 drives the container bag 7 to rotate horizontally by 180°. After it is in place, the container bag 7 is placed on the pre-compression anti-rebound device 42, completing one transfer of the container bag 7.

[0071] like Figures 14-21As shown, the pre-compression baling machine 4 is used to pack five FIBCs 7 into a whole. The pre-compression baling machine 4 includes a baling frame 41, a pre-compression anti-rebound device 42, a conveying pressing device 43, and a tunnel baling machine 44. The baling frame 41 is connected to the rear side of the bag stacking machine 2. The pre-compression anti-rebound device 42 is installed at the lower part of the baling frame 41, and the conveying pressing device 43 is installed at the top of the baling frame 41. The conveying pressing device 43 is installed above the pre-compression anti-rebound device 42. The tunnel baling machine 44 is installed on one side of the pre-compression anti-rebound device 42. The conveying pressing device 43 cooperates with the pre-compression anti-rebound device 42 to compress the FIBCs 7 and send them into the tunnel baling machine 44 for compression and baling into small bundles (each small bundle contains 5 FIBCs 7).

[0072] like Figures 16-20 As shown, the pre-compression anti-rebound device 42 includes a base frame 421, a support shaft 422, a first load-bearing conveyor belt 423, a limiting claw 424, a pulley 425, and a counterweight box 426. Two limiting posts 4201 are installed at the front end of the base frame 421, and two uprights 4202 are installed at the rear end of the base frame 421. The distance between the two limiting posts 4201 and the two uprights 4202 is adapted to the size of the folded container bag 7. Vertically arranged limiting rails 4203 are installed on the side walls of the front and rear sides of the uprights 4202. The two first load-bearing conveyor belts 423 are slidably installed on the side of each upright 4202 near the bag folding machine 2 via sliding blocks. The counterweight box 426 is horizontally installed on the uprights 4202 away from the first load-bearing conveyor belts 423 via sliding blocks. On the rear side, the support shaft 422 is horizontally installed on the top of the two columns 4202. A freely rotatable pulley 425 is installed in the middle of the support shaft 422. A traction rope 4251 is wound around the pulley 425. One end of the traction rope 4251 is connected to the first load-bearing conveyor belt 423, and the other end is connected to the counterweight box 426. The counterweight box 426 provides counterweight to the first load-bearing conveyor belt 423 and the container bag 7 it carries, so that the first load-bearing conveyor belt 423 lifts the container bag 7 upward. The two limiting claws 424 are installed on the top of the limiting column 4201 and face the column 4202. The limiting claws 424 limit the top of the container bag 7, so that the limiting claws 424 cooperate with the first load-bearing conveyor belt 423 to prevent the container bag 7 from expanding in volume and affecting the packaging effect.

[0073] like Figure 20As shown, the limiting claw 424 includes a connecting plate 4241, a pin 4242, a claw seat 4243, a claw body 4244, and a second tension spring 4245. The connecting plate 4241 is fixed to the top of the limiting post 4201 by screws. The pin 4242 is vertically mounted on the surface of the connecting plate 4241. A limiting tooth 4246 is machined on the bottom of the pin 4242. The claw seat 4243 has a pin hole 4247 that matches the size of the pin 4242. The claw seat 4243 is fitted onto the pin 4242 through the pin hole 4247. The hole 4247 is also machined with a second limiting groove 4248 that cooperates with the limiting tooth 4246. The second limiting groove 4248 keeps the claw seat 4243 in a balanced or vertical state. The claw body 4244 is connected to the front end of the claw seat 4243. One end of the second tension spring 4245 is connected to the end of the claw seat 4243 away from the claw body 4244, and the other end is connected to the connecting plate 4241. The second tension spring 4245 is used to keep the claw body 4244 in a horizontal state. When the second tension spring 4245 is stretched by force, the claw body 4244 remains in a vertical state.

[0074] like Figure 18 , Figure 19As shown, the first load-bearing conveyor belt 423 includes support rollers 4231, conveyor support seats 4232, support bars 4233, conveyor belt 4234, support blocks 4235, and load-bearing plates 4236. Two support rollers 4231 are horizontally and rotatably mounted on the conveyor support seats 4232. The conveyor belt 4234 is fitted around the outside of the two support rollers 4231, cooperating with the support rollers 4231 to move the overlapping container bags 7. One of the conveyor support seats 4232 is equipped with a motor that drives the support rollers 4231 to rotate. Each support roller 4231... Both conveyor belts 4234 and 4235 are rotatably mounted on the conveyor support bases 4232. Each conveyor support base 4232 has a slide block mounted on its side wall, which can slide on the limit rail 4203. Each conveyor support base 4232 has a support bar 4233 mounted on its inner wall at both ends. Support blocks are mounted on the inner side of the conveyor belt 4234. A load-bearing plate 4236 is mounted on the top of each support block 4235. The load-bearing plate 4236 is at the same height as the top surface of the support rollers 4231 on both sides and supports the bottom surface of the conveyor belt 4234. The counterweight box 426 is a hollow cube with an open top. The counterweight box 426 can hold counterweight blocks of corresponding weight; the traction rope 4251 can be made of steel wire rope, hemp rope, chain, etc. When a chain is used, the pulley 425 uses a sprocket; during use, the counterweight box 426, under its own weight, causes the first load-bearing conveyor belt 423 to move closer to the limiting claw 424. When the transfer claw 310 puts the container bag 7 to be packaged into place, the container bag 7 contacts the surface of the limiting claw 424. As the transfer claw 310 moves the container bag 7 downward, it presses the limiting claw 424 downward and flips it, placing the container bag 7 on the first load-bearing conveyor belt 423. The pressure is applied upwards and downwards, allowing the limiting claw 424 to be in a free state. At this time, the second tension spring 4245 returns to its original state, and the resulting tension restores the limiting claw 424 to a horizontal state. Subsequently, the transfer gripper 310 releases the container bag 7 and moves away from the pre-compression anti-rebound device 42. The first load-bearing conveyor belt 423 moves upwards under the action of the counterweight box 426 until the container bag 7 contacts the limiting claw 424. Under the action of the limiting claw 424 and the first load-bearing conveyor belt 423, the folded container bag 7 is prevented from springing back and unfolding again, effectively ensuring the consistency of the container bag 7.

[0075] like Figure 21As shown, the conveying pressing device 43 includes a horizontal rail 431, a pressing bracket 432, a hydraulic rod 433, and a pressing plate 434. There are two horizontal rails 431, which are horizontally installed on the top of the packing machine frame 41. The pressing bracket 432 is slidably installed on the horizontal rail 431. A third synchronous wheel transmission mechanism 435 is installed on the packing machine frame 41 to drive the pressing bracket 432 to reciprocate horizontally on the horizontal rail 431. The pressing bracket 432 is fixedly connected to the synchronous belt of the third synchronous wheel transmission mechanism 435. A vertically lifting hydraulic rod 433 is installed on the pressing bracket 432. The bottom of the hydraulic rod 433 is connected to the pressing plate 434. The length of the extended end of the limiting claw 424 is spaced from the extended end of the hydraulic rod 433. A guide rod 436 parallel to the hydraulic rod 433 is also installed on the pressing plate 434.

[0076] The tunnel-type baler 44 is existing technology. The tunnel-type baler 44 is equipped with a second load-bearing conveyor belt 45. A gap is left between the first load-bearing conveyor belt 423 and the second load-bearing conveyor belt 45 to allow the baler belts of the tunnel-type baler 44 to rotate. In use, after placing five container bags 7 on the first load-bearing conveyor belt 423, the hydraulic rod 433 drives the pressing plate 434 downwards to press the stacked container bags 7. Then, the first load-bearing conveyor belt 423 conveys forward while simultaneously conveying the pressing plate 434 of the pressing device 43 to maintain the pressed state of the container bags 7 and move along with them. Together, they feed the container bags into the tunnel-type baler 44. After the container bags 7 enter the second load-bearing conveyor belt... When the conveyor belt 45 is in operation, the tunnel-type baler 44 packs the FIBC 7 between the first load-bearing conveyor belt 423 and the second load-bearing conveyor belt 45. Then, the hydraulic rod 433 drives the pressing plate 434 upward in sequence, so that the pressing plate 434 avoids the tunnel-type baler 44 until all the FIBC 7 enters the tunnel-type baler 44. At this time, the hydraulic rod 433 of the conveying pressing device 43 drives the pressing plate 434 to rise to the uppermost point, so that the pre-compression anti-rebound device 42 avoids it, waiting for the next packing. The second load-bearing conveyor belt 45 transmits the FIBC 7 to the compression baler 5, which packs multiple sets of FIBC 7 together, further reducing the volume of the FIBC 7 for easy transportation.

[0077] like Figures 22-25As shown, the compression baler 5 is connected to the end of the second load-bearing conveyor belt 45. The compression baler 5 bundles the container bags 7 completed by the four pre-compression balers 4 into a large bundle (the large bundle contains 20 container bags 7). The compression baler 5 includes a compressor frame 51, a pressure base plate 53, a hydraulic plate 54, a sword-type strapping machine 55, and a cloth-laying mechanism 56. The compressor frame 51 has inlets at both ends and is installed between the two second load-bearing conveyor belts 45. The compressor frame 51 is frame-shaped and has support columns 52 at its four corners. The pressure base plate 53 is installed in the middle of the compressor frame 51. The hydraulic plate 54 is suspended on the top of the compressor frame 51. A hydraulic device 57 is installed on the top of the compressor frame 51 to drive the hydraulic plate 54 to move vertically toward the pressure base plate 53. The sword-type strapping machine 55 is installed below the pressure base plate 53, which is opposite to the projected position of the hydraulic plate 54. The sword-piercing mechanism of the sword-piercing strapping machine 55 is installed on the bottom surface of the hydraulic plate 54.

[0078] If the process involves manual material placement, the labor intensity is high, and the hydraulic plate 54 is hydraulically driven. If a safety hazard occurs, it will cause great harm to the workers. Therefore, a material placement mechanism 56 is required. This mechanism is designed to pick up material from both ends according to the needs of material picking and placement, and the material placement will not affect the normal pressing of the hydraulic plate 54.

[0079] like Figures 23-25As shown, the fabric placement mechanism 56 is mounted on the support column 52 between the hydraulic plate 54 and the pressure base plate 53. The fabric placement mechanism 56 includes a support frame 5601, a double slider shaft 5602, a bottom beam 5603, a rigid chain motor 5607, a fabric placement trolley 5608, and a fourth synchronous wheel transmission mechanism 5610. The support frame 5601 is welded from channel steel into a rectangle. The internal space of the support frame 5601 is larger than the width of the hydraulic plate 54 and the container bag 7. The outer walls of the support frame 5601 are provided with double slider shafts 5602 connected to each support column 52. The double slider shafts 5602 can slide along the length of the support frame 5601 and the vertical direction of the support column 52, and can also rotate relative to each other to adapt to the angle change between the support frame 5601 and the support column 52. 01 has two bottom beams 5603 at the bottom. A limit plate 5604 is machined in the middle of the bottom beams 5603. The limit plate 5604 has an upwardly protruding arc-shaped slot 5605. The arc length of the arc-shaped slot 5605 is 1 / 2 of the length increase after the support frame 5601 is tilted. It is used to compensate for the size change of the support frame 5601 (for example, the length of the support frame 5601 is 2.5m, the width between the support columns 52 is 1.5m, and after the support frame 5601 is tilted, the length between the support columns 52 is 1.8m. It is calculated that the length of the support frame 5601 between the support columns 52 has increased by 0.3m. Therefore, the length of the arc-shaped slot 5605 is 0.15m. The distance between the two arc-shaped slots 5605 can just compensate for the increased size of the support frame 5601). A sliding support wheel 5606 is installed inside the arc-shaped slot 5605. The convex part of the arc-shaped slot 5605 can automatically adapt to the support wheel 5606, which can effectively reduce the sway of the support frame 5601. A rigid chain motor 5607 is installed under each bottom beam 5603. The rigid chain motor 5607 is installed under the pressure base plate 53. The rigid chain link at the extended end of the rigid chain motor 5607 is hinged to the support wheel 5606. The fabric cart 5608 is movably installed inside the support frame 5601. The inner walls on both sides of the support frame 5601 are equipped with a fourth synchronous pulley transmission mechanism 5610 connected to the fabric cart 5608. After the fourth synchronous pulley transmission mechanism 5610 drives the fabric cart 5608 to pick up the material from the second load-bearing conveyor belt 45, it moves the container bag 7 to the sword-type strapping machine 55. Above the pressure-bearing base plate 53, a third load-bearing conveyor belt 5609 is installed on the fabric cart 5608. The third load-bearing conveyor belt 5609 can transfer the container bag 7 from the fabric cart 5608 to the pressure-bearing base plate 53. The fourth synchronous pulley transmission mechanism 5610 includes two synchronous pulleys and a synchronous belt connecting the two synchronous pulleys. The two synchronous pulleys are installed on the inner sides of both ends of the support frame 5601. A servo drive motor is connected to one of the synchronous pulleys. The fabric cart 5608 is fixedly connected to the synchronous belt. The rotating synchronous belt drives the fabric cart 5608 to slide back and forth in the support frame 5601.

[0080] like Figure 23As shown, two rigid chain motors 5607 are used to control the lifting and lowering of the support frame 5601. Simultaneously, in conjunction with the arc-shaped slot 5605 on the limiting plate 5604 and the double slider shaft 5602, they can also control the tilting of the support frame 5601 on the support column 52. This is used to retrieve materials from the second load-bearing conveyor belt 45 on either side after the container bags 7 have been stacked to a certain height. At this point, the already laid container bags 7 will affect the movement of the material laying cart 5608, therefore the support frame 5601 needs to tilt to facilitate material retrieval. Since the rigid chain motors 5607 can only travel in a straight line, when the support frame 5601 tilts, the distance between the extended ends of the two rigid chain motors 5607 increases. Figure 25 As shown, the sliding compensation of the support wheel 5606 within the arc-shaped slot 5605 allows the fabric cart 5608 on the support frame 5601 to smoothly pick up material from the second load-bearing conveyor belt 45 (at which time the support frame 5601 is tilted); the two rigid chain motors 5607 can also limit the position of the support frame 5601 to prevent it from sliding to one side after tilting. The fabric cart 5608 is equipped with a baffle 5611 to limit the position of the container bag 7. After the fabric is laid, the fabric cart 5608 moves to one end of the support frame 5601, exposing the movable area of ​​the hydraulic plate 54. At this time, the hydraulic mechanism drives the hydraulic plate 54 to press the container bag 7, and the sword-type strapping machine 55 then packages the pressed container bag 7, completing the packaging operation.

[0081] The control system 6 includes a PLC controller, a touch screen, multiple sensor units, an execution drive unit, and a remote monitoring module. The PLC controller is electrically connected to the touch screen, multiple execution drive units, and remote monitoring module via an industrial bus.

[0082] The touch screen provides a human-machine interface for operators to set parameters, monitor status, and perform manual adjustments.

[0083] The sensor unit includes a position sensor installed on the scissor folding machine 1, used to detect the lifting position of the top plate frame 1205 and the status of the hook.

[0084] The limit switch installed on the bag stacking machine 2 is used to detect the position of the traction frame 23 and the flipping angle of each folding plate.

[0085] A counting sensor is installed on the pre-compression packaging machine 4 to count the number of stacked container bags 7.

[0086] The material detection sensor installed on the compression baler 5 is used to detect whether the container belt has reached the designated position of the pressure base plate 53.

[0087] The drive unit includes a solenoid valve group that drives the cylinders, a frequency converter or servo driver for the drive motor (such as traction motor 2102, servo motor of synchronous wheel transmission mechanism, drive motor of gear and rack lifting mechanism 307, rigid chain motor 5607).

[0088] The PLC controller sends instructions to the execution drive unit based on the feedback signals from the sensor unit and the preset program logic, so that the execution drive unit can automatically complete the whole process according to the set rhythm.

[0089] The remote monitoring module connects to the PLC controller via Ethernet, uploading the production line's operating status, output data, fault codes, etc., to the central control room to achieve remote monitoring and alarm push.

[0090] The method of using this invention is as follows: The control system 6 is started, and the operating parameters are set via the touch screen. The worker hangs the lifting lugs 71 of the container bag 7 to be folded on the hook body 1307 of the scissor folding machine 1, aligns the air outlet pipe of the blower 1401 with the container bag 7, and presses the start button. The control system 6 automatically executes the production process according to the preset program. S1. The blower 1401 of the blower system 14 blows open the bag body through the air outlet pipe, so that the container bag 7 is close to the inner wall of the folding mechanism 12. Then, the folding cylinder 1207 drives the top plate frame 1205 to descend, completing the initial closing and folding. After folding, the blower 1401 stops working. S2. The mechanical claw 2302 on the traction frame 23 of the bag folding machine 2 moves forward to clamp the folded container bag 7. Then, the folding cylinder 1207 drives the top plate frame 1205 to move upward and reset. During the upward movement, the traction frame 23 drags the folded container bag 7 onto the folding frame 22. Through the sequential action of multiple folding plates and auxiliary pressing components 25, the fine folding of the bag is completed. At this time, the worker removes the air outlet pipe of the blower 1401 and hangs the next container bag 7 to be folded on the hook 1307 of the scissor folding machine 1 to wait for the next folding. S3. After the fine folding of bags is completed, the transfer claw 310 of the transfer mechanism 3 extends into the clearance groove 2459 on the folding plate, picks up the folded container bag 7, rotates it 180° and places it on the pre-compression anti-rebound device 42 of the pre-compression packaging machine 4. S4. After the counting sensor of the pre-compression baler 4 detects that five FIBCs 7 are stacked, the conveyor pressing device 43 presses them and sends them into the channel baler 44 for baling. After baling, they enter the second load-bearing conveyor belt 45 and are conveyed to the compression baler 5 by the second load-bearing conveyor belt 45. S5 and the fabric mechanism 56 on the compression baler 5 alternately take out the container bags 7 from the two production lines and stack them on the pressure base plate 53 in sequence. After four sets are stacked, the hydraulic plate 54 presses the container bags 7 tightly, and the sword-type strapping machine 55 completes the final strapping. The workers then remove the finally packaged container bags from the production line.

[0091] Throughout the process, the PLC controller monitors the status of each sensor in real time, and automatically stops the machine and alarms if any abnormality occurs.

[0092] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications and substitutions based on the technical solutions and inventive concepts provided by the present invention should be covered within the scope of protection of the present invention.

Claims

1. An automated stacking system, characterized in that: The packaging system includes a scissor folding machine (1), a bag stacking machine (2), a transfer mechanism (3), a pre-compression packaging machine (4), a compression packaging machine (5), and a control system (6), arranged in sequence. The scissor folding machine (1), the bag stacking machine (2), the transfer mechanism (3), and the pre-compression packaging machine (4) are arranged in sequence to form a packaging production line. The end of the pre-compression packaging machine (4) is connected to the compression packaging machine (5). The compression packaging machine (5) can be connected to the pre-compression packaging machines (4) of two packaging production lines to improve packaging efficiency. The scissor folding machine (1) is used to fold the bulk bags into sheet shapes, and the bag stacking machine (2) is used to transfer the sheet-shaped bulk bags into the packaging system. The stacking and folding machine (3) is used to transfer the stacked FIBCs to the pre-compression baler (4). The pre-compression baler (4) is used to compress and pack multiple stacked FIBCs into small bundles. The compression baler (5) is used to compress and pack several small bundles of FIBCs into large bundles. The control system (6) is electrically connected to the scissor folding machine (1), the folding machine (2), the transfer mechanism (3), the pre-compression baler (4), and the compression baler (5), and controls the working sequence and coordinated actions of the scissor folding machine (1), the folding machine (2), the transfer mechanism (3), the pre-compression baler (4), and the compression baler (5). The bag folding machine (2) includes a base frame (21), a folding frame (22), a traction frame (23), a folding assembly (24), and an auxiliary pressing assembly (25); the base frame (21) is installed at the rear end of the scissor folding machine (1); the length direction of the folding frame (22) is installed in the middle of the surface of the base frame (21) along the moving direction of the container bag (7); two parallel guide rails (2101) are installed on the base frame (21) on both sides of the folding frame (22); the traction frame (23) is gantry-shaped. (23) The bottom ends are mounted on the guide rail (2101) via sliders (2301); the front end of the traction frame (23) is equipped with a mechanical claw (2302), and the traction frame (23) drags the sheet-shaped container bag (7) to the folding frame (22) via the mechanical claw (2302); the folding component (24) is installed inside the folding frame (22) for folding the container bag (7); auxiliary pressing components (25) are installed on both sides of the folding frame (22) to cooperate with the folding component (24) for folding. The folding assembly (24) is mounted on the folding frame (22). The folding assembly (24) includes a first folding plate (241), a second folding plate (242), a third folding plate (243), and a fourth folding plate (244) arranged sequentially along the moving direction of the container bag (7). The third folding plate (243) is fixed to the surface of the folding frame (22). The second folding plate (242) and the fourth folding plate (244) are hinged to the surface of the folding frame (22) on the side near the third folding plate (243). The first folding plate (241) is hinged to the surface of the folding frame (22) on the end near the second folding plate (242). Folding devices (245) are installed in the folding frame (22) below the first folding plate (241), the second folding plate (242), and the fourth folding plate (244). The folding devices (245) at different positions drive the first folding plate (241), the second folding plate (242), and the fourth folding plate (244) to flip along the hinge. The folding device (245) includes a linear cylinder (2451), a transmission seat (2452), a transverse rack (2453), a linear sliding assembly (2454), a rotating shaft (2455), a reversing gear (2456), a first swing arm (2457), and a second swing arm (2458). The linear cylinder (2451) is horizontally installed inside the folding frame (22). The piston rod of the linear cylinder (2451) is connected to the transmission seat (2452). The transmission seat (2452) is installed below the corresponding folding plate through the linear sliding assembly (2454) and is driven by the linear cylinder (2451) to reciprocate along the moving direction of the container bag (7). The rotating shaft (2455) is rotatably installed below the transmission seat (2452) through a bearing seat. The bearing seat is fixedly connected to the folding frame (22). The length of the rotating shaft (2455) is perpendicular to the length of the transmission seat (2452). The length of the folding plate should be adapted to the rotation shaft (2455), and a flipping gear (2456) is installed in the middle of the rotation shaft (2455); a transverse rack (2453) that meshes with the flipping gear (2456) is provided on the bottom surface of the transmission seat (2452); a linear cylinder (2451) drives the transmission seat (2452) to translate along the linear sliding assembly (2454), so that the transverse rack (2453) meshes with the flipping gear (2456) and pushes the flipping gear (2456) to rotate; a first rocker arm (2457) is fixedly installed at both ends of the rotation shaft (2455), and the end of the first rocker arm (2457) away from the rotation shaft (2455) is hinged to one end of a second rocker arm (2458), and the other end of the second rocker arm (2458) is hinged to the bottom surfaces of the two sides of the corresponding folding plate; the rotation shaft (2455) pushes the corresponding folding plate to flip through the first rocker arm (2457) and the second rocker arm (2458); The auxiliary clamping components (25) are installed on the bottom frames (21) on both sides of the folding frame (22). There are four sets of auxiliary clamping components (25) with the same structure. Each set of auxiliary clamping components (25) is symmetrically arranged along the folding frame (22). The four sets of auxiliary clamping components (25) are the first clamping component (26), the second clamping component (27), the third clamping component (28), and the fourth clamping component (29), respectively. The first clamping component (26), the second clamping component (27), and the third clamping component (28) are arranged in sequence. Between the first folding plate (241), the second folding plate (242), the third folding plate (243), and the fourth folding plate (244), a fourth pressing assembly (29) is arranged on one side of the third folding plate (243); the third folding plate (243) and the fourth folding plate (244) are machined with two clearance grooves (2459) for the transfer claws (310) of the transfer mechanism (3) to clamp the container bag (7); the second folding plate (242) is machined with clearance grooves (2459) symmetrical to those of the third folding plate (243). The compression baler (5) includes a compressor frame (51), a pressure-bearing base plate (53), a hydraulic plate (54), a piercing strapping machine (55), and a fabric feeding mechanism (56). The compressor frame (51) is installed between two pre-compression balers (4). Both ends of the compressor frame (51) are provided with feed inlets. The compressor frame (51) is frame-shaped, and the four corners of the compressor frame (51) are provided with support columns (52). The pressure-bearing base plate (53) is installed in the middle of the compressor frame (51), and a hydraulic plate is provided at the top inside the compressor frame (51). (54) A hydraulic device (57) is installed on the top of the compressor frame (51) to drive the hydraulic plate (54) to move vertically toward the pressure base plate (53); a sword-piercing strapping machine (55) is installed below the pressure base plate (53), the sword-piercing strapping machine (55) corresponds to the projected position of the hydraulic plate (54), the sword-piercing mechanism of the sword-piercing strapping machine (55) is installed on the bottom surface of the hydraulic plate (54), and a fabric feeding mechanism (56) is installed on the support column (52) between the hydraulic plate (54) and the pressure base plate (53); The fabric-laying mechanism (56) includes a support frame (5601), a double-slider rotating shaft (5602), a bottom beam (5603), a rigid chain motor (5607), a fabric-laying carriage (5608), and a fourth synchronous wheel transmission mechanism (5610). The support frame (5601) is welded into a rectangle from channel steel. The outer walls of the support frame (5601) are provided with double-slider rotating shafts (5602) connected to each support column (52). The double-slider rotating shafts (5602) can slide along the length of the support frame (5601) and the support column (52), and are also used for the support frame (5601) and the support column (5610). 2) Relative rotation; The bottom of the support frame (5601) is provided with two bottom beams (5603), and each bottom beam (5603) has a limiting plate (5604) processed in the middle. The limiting plate (5604) has an upwardly protruding arc-shaped slot (5605) processed on it. A sliding support wheel (5606) is installed in the arc-shaped slot (5605). A rigid chain motor (5607) is provided below each bottom beam (5603). The rigid chain motor (5607) is installed below the pressure base plate (53). The rigid chain link at the extended end of the rigid chain motor (5607) is hinged to the support wheel (5606). The fabric cart (5608) is movably installed inside the support frame (5601). The inner walls on both sides of the support frame (5601) are equipped with a fourth synchronous wheel transmission mechanism (5610) connected to the fabric cart (5608). The fourth synchronous wheel transmission mechanism (5610) drives the fabric cart (5608) to pick up the material from the second load-bearing conveyor belt (45) and move the container bag (7) to the pressure plate (53) above the sword-type strapping machine (55). A third load-bearing conveyor belt (5609) is installed on the fabric cart (5608). The third load-bearing conveyor belt (5609) can transfer the container bag (7) from the fabric cart (5608) to the pressure plate (53). Two rigid chain motors (5607) are used to control the lifting and lowering of the support frame (5601). In conjunction with the arc-shaped slot (5605) on the limit plate (5604) and the double slider shaft (5602), the support frame (5601) can be tilted on the support column (52). A baffle (5611) is installed on the fabric cart (5608) to limit the container bag (7).

2. The automated stacking system according to claim 1, characterized in that: The scissor folding machine (1) includes a folding frame (11), a folding mechanism (12), a bag-supporting mechanism (13), and a blower system (14). The folding frame (11) is frame-shaped, and the folding mechanism (12) is installed inside the folding frame (11). The bag-supporting mechanism (13) for hanging the four lugs (71) of the container bag (7) is installed at the entrance of the front end of the folding mechanism (12), and the blower system (14) for making the container bag (7) fit tightly against the inner wall of the folding mechanism (12). The folding frame (11) is equipped with protective plates (1101) on both sides and top. The protective plates (1101) divide the folding frame (11) into a through channel and enclose a protective space for the folding mechanism (12). The folding mechanism (12) includes a folding base plate (1201), folding side plates (1202), a top plate frame (1205), and a folding cylinder (1207). The folding base plate (1201) is horizontally fixed to the bottom of the folding frame (11). The top plate frame (1205) is vertically slidably installed in the folding frame (11) on both sides via guide rails (2101). The folding cylinder (1207) is installed on the top of the folding frame (11). The top of the piston rod of the folding cylinder (1207) passes through the folding frame (11) and connects with the top plate frame (1205), driving the top plate frame (1205) to rise and fall within the folding frame (11). A folding top plate (1206) is installed on the bottom surface of the top plate frame (1205). The folding top plate (1206) and the folding base plate (1201) are connected to each other. The two sides of the plate (1201) are connected by symmetrically arranged folding side plates (1202); the folding side plate (1202) includes an upper side plate (1203) and a lower side plate (1204). The top inner wall of the upper side plate (1203) is hinged to the bottom edge of the top plate frame (1205) by a hinge (1209). The bottom outer wall of the upper side plate (1203) is hinged to the top outer wall of the lower side plate (1204) by a hinge (1209). The bottom inner wall of the lower side plate (1204) is hinged to the side edge of the folding bottom plate (1201). The folding side plate (1202) bends into the folding frame (11) as the top plate frame (1205) moves up and down. Through the installation position of the hinge (1209), the folding side plate (1202) is folded relative to each other, thereby closing the container bag (7) into a sheet shape. Two sets of bag-supporting mechanisms (13) are symmetrically installed on the folding frame (11) at the front end of the folding mechanism (12). Each set of bag-supporting mechanisms (13) includes two sets of hook linkage devices (1301) distributed vertically, used to hook the four lifting lugs (71) of the container bag (7) to fix the container bag (7). The hook linkage device (1301) includes a mounting plate (1302), a hook seat (1304), a drive gear (1306), and a lever assembly. Component (1311); The mounting plate (1302) is fixed to the folding frame (11) by bolts; A drive gear (1306) and a hook seat (1304) are rotatably mounted on the mounting plate (1302). The hook seat (1304) is 90° sector-shaped, and the outer wall of the sector-shaped hook seat (1304) is machined with teeth (1305) that mesh with the drive gear (1306). The hook seat (1304) is machined with an arc of [missing information]. A 90° hook (1307) is driven by a gear (1306) that rotates to rotate a hook seat (1304), controlling the hook (1307) to extend or retract from the folding frame (11). The drive gear (1306) of each hook linkage device (1301) is connected by a first synchronous wheel transmission mechanism (1310) to achieve synchronous movement of the two hook linkage devices (1301). A first tension spring (1308) is installed between the hook seat (1304) and the mounting plate (1302) to reset the hook (1307). A limit pin (1309) is machined on the side of the drive gear (1306) near the mounting plate (1302). A limit strip hole (1303) is machined on the mounting plate (1302) to slide with the limit pin (1309). The limit strip hole (1303) is adapted to the rotation angle of the drive gear (1306) and the rotation angle of the hook (1307). The actuating lever assembly (1311) is mounted on the drive gear (1306) of the upper hook linkage device (1301). The actuating lever assembly (1311) includes a fixed rod (1312) and a rotating rod (1314). The fixed rod (1312) is fixedly connected to the drive gear (1306). The top of the fixed rod (1312) away from the drive gear (1306) is machined with a first limiting groove (1313) for mounting the rotating rod (1314). The rotating rod (1314) is rotatably mounted in the first limiting groove (1313) via a rotating shaft. The first limiting groove (1313) restricts the rotating rod (1314) to rotate 0°~90° above the fixed rod (1312). A torsion spring (1315) is installed on the rotating shaft to make the rotating rod (1314) and the fixed rod (1312) have the same length direction. A push wheel (120) that can abut against the rotating rod (1314) is installed on the top plate frame (1205). 8) When the top plate frame (1205) descends, the push wheel (1208) presses down the rotating rod (1314), which drives the fixed rod (1312) to rotate the drive gear (1306). The drive gear (1306) drives the hook seat (1304) to rotate and drives the hook body (1307) to gradually retract, so that the lifting lug (71) is completely disengaged from the hook body (1307). At this time, the push wheel (1208) disengages from the rotating rod (1314), and the top plate frame (1205)... As the device continues to move downwards, the bag support mechanism (13) resets under the action of the first tension spring (1308), causing the hook (1307) to extend again. When the top plate frame (1205) moves upwards, the push wheel (1208) moves upwards from below the rotating rod (1314), causing the rotating rod (1314) to rotate in the first limiting groove (1313). When the push wheel (1208) separates from the rotating rod (1314) again, the rotating rod (1314) resets under the action of the torsion spring (1315). The blower system (14) includes a blower (1401) and a support arm (1402). The blower (1401) is installed on the top of the folding frame (11). The support arm (1402) is rotatably installed on the outer wall of the folding frame (11). A longitudinal adjusting cylinder (1403) that can adjust the height of the support arm (1402) is installed on the outer wall of the folding frame (11). The end of the air outlet pipe of the blower (1401) is connected to the end of the support arm (1402). The end of the support arm (1402) is provided with a limiting ring (1404) for fixing the air outlet pipe of the blower (1401). Multiple rotating joints (1405) can be set on the support arm (1402) as needed to flexibly control the air outlet direction of the blower (1401).

3. The automated stacking system according to claim 1, characterized in that: A traction motor (2102) for moving the traction frame (23) is installed in the middle of the bottom frame (21). A dual-output shaft reducer (2103) is connected to the output shaft of the traction motor (2102). A belt drive mechanism (2105) is symmetrically arranged at both ends of the dual-output shaft reducer (2103). The belt drive mechanism (2105) includes a bearing support (2106), a drive shaft (2107), a toothed pulley (2108), and a toothed belt (2109). The bearing support (2106) is installed at both ends of the folding frame (22). One end of the drive shaft (2107) is connected to the dual-output shaft reducer (2103), and the other end passes through the bearing support. The support (2106) is connected to the adjacent toothed pulley (2108). The two toothed pulleys (2108) at the other end are connected by a synchronous shaft (2110). The toothed belt (2109) is fitted on the two toothed pulleys (2108) on one side of the folding frame (22). The traction frame (23) is fixedly connected to the toothed belt (2109). The traction motor (2102) drives the traction frame (23) to slide along the guide rail (2101) through the belt drive mechanism (2105). The mechanical claw (2302) clamps the folded container bag (7). The belt drive mechanism (2105) cooperates with the mechanical claw (2302) to drag the container bag (7) onto the folding frame (22).

4. The automated stacking system according to claim 1, characterized in that: The auxiliary pressing assembly (25) includes a separating cylinder (2501), a bracket (2502), a rotating pressing cylinder (2503), and a pressing rod (2504); a slide rail (2104) is installed on the bottom frame (21) on one side of the folding frame (22) to support the bracket (2502) near or away from the folding frame (22); the bottom of the bracket (2502) is slidably mounted on the slide rail (2104); the separating cylinder (2501) is installed below the bottom frame (21), and the separating cylinder (2501) is connected to the bottom of the bracket (2502) to drive the bracket (2502) on the slide rail (2104). The upper part of the bracket (2502) is equipped with a rotary bag-pressing cylinder (2503). The rotary bag-pressing cylinder (2503) has a pressure rod (2504) that is adapted to the height of the folding frame (22) on its rotating disk. The pressure rod (2504) rotates and presses the container bag (7) under the action of the rotary bag-pressing cylinder (2503). The rotation angle of the rotary bag-pressing cylinder (2503) is 90°. The stroke length of the separation cylinder (2501) is greater than the length of the pressure rod (2504), so that when the bracket (2502) is away from the folding frame (22), the pressure rod (2504) can be completely pulled out from the folded container bag (7).

5. The automated stacking system according to claim 1, characterized in that: The arc length of the arc-shaped slot (5605) is half the length that the support frame (5601) increases between the support columns (52) after it is tilted, and is used to compensate for the size change of the support frame (5601).

6. The automated stacking system according to claim 1, characterized in that: The transfer mechanism (3) includes a track fixing frame (301), a transfer support seat (302), a gear and rack lifting mechanism (307), a horizontal rotary cylinder (308), and a transfer gripper (310). The two ends of the track fixing frame (301) are fixedly connected to the bag stacking machine (2) and the pre-compression packaging machine (4). Two parallel tracks are installed on the track fixing frame (301), and a slidable transfer support seat (302) is installed on the track. A second synchronous wheel transmission mechanism (303) is installed on the track fixing frame (301) to drive the transfer support seat (302) to move on the track. A vertical opening (304) is machined on the transfer support seat (302), and a vertically lifting boom (305) is installed in the opening (304). Guide sliders (306) that vertically limit the boom (305) are installed on the inner walls on both sides of the opening (304). A gear and rack lifting mechanism (307) for driving the lifting of the boom (305) is installed on the transfer support seat (302) on one side of the boom (305). The gear and rack lifting mechanism (307) includes a rack vertically installed on the boom (305), a drive motor and a gear installed on the output shaft of the drive motor, and the gear meshes with the rack. A horizontal rotary cylinder (308) is suspended at the bottom of the boom (305). The rotation angle of the horizontal rotary cylinder (308) is 180°. A crossbeam (309) is suspended on the rotation shaft of the horizontal rotary cylinder (308). Two transfer grippers (310) are installed at the bottom of both ends of the crossbeam (309). The distance between the two transfer grippers (310) is adapted to the distance of the clearance groove (2459) on the third folding plate (243). The width of the transfer grippers (310) is smaller than the width of the clearance groove (2459).

7. The automated stacking system according to claim 1, characterized in that: The pre-compression baling machine (4) includes a baling frame (41), a pre-compression anti-rebound device (42), a conveying and pressing device (43), and a channel baling machine (44). The pre-compression anti-rebound device (42) is installed at the lower part of the baling frame (41), and the conveying and pressing device (43) that cooperates with the pre-compression anti-rebound device (42) is installed at the top of the baling frame (41). The channel baling machine (44) is installed on one side of the pre-compression anti-rebound device (42). The pre-compression anti-rebound device (42) includes a base frame (421), a support shaft (422), a first load-bearing conveyor belt (423), a limiting claw (424), a pulley (425), and a counterweight box (426). Two limiting posts (4201) are installed at the front end of the base frame (421), and two uprights (4202) are installed at the rear end of the base frame (421). The distance between the two limiting posts (4201) and the two uprights (4202) is adapted to the width of the stacked container bag (7). Vertically arranged limiting rails (4203) are installed on the side walls of the uprights (4202) on both the front and rear sides. The first load-bearing conveyor belt (423) is slidably installed on the limiting rail (4203) on the side of the upright (4202) closest to the stacking machine (2), and the limiting rail on the side of the upright (4202) away from the stacking machine (2) is... A counterweight box (426) is slidably installed on (4203). A support shaft (422) is horizontally installed on the top of the two columns (4202). A freely rotating pulley (425) is installed in the middle of the support shaft (422). A traction rope (4251) is wound on the pulley (425). One end of the traction rope (4251) is connected to the first load-bearing conveyor belt (423), and the other end is connected to the counterweight box (426). The counterweight box (426) counterweights the first load-bearing conveyor belt (423) and the container bag (7) it carries, so that the first load-bearing conveyor belt (423) lifts the container bag (7) upward. A limiting claw (424) is installed on the limiting column (4201) to cooperate with the first load-bearing conveyor belt (423) to lock the container bag (7). The limiting claw (424) limits the top of the container bag (7). The conveying pressing device (43) includes a horizontal rail (431), a pressing bracket (432), a hydraulic rod (433), and a pressing plate (434); there are two horizontal rails (431), which are horizontally installed on the top of the packing machine frame (41); a movable pressing bracket (432) is installed on the horizontal rail (431), and a third synchronous wheel transmission mechanism is installed on the packing machine frame (41) to drive the pressing bracket (432) to reciprocate horizontally on the horizontal rail (431). 435), the pressing bracket (432) is fixedly connected to the synchronous belt of the third synchronous wheel transmission mechanism (435); a hydraulic rod (433) that can be vertically lifted is installed on the pressing bracket (432), and a pressing plate (434) is connected to the bottom of the hydraulic rod (433). The length of the extended end of the limiting claw (424) is left with a clearance distance from the extended end of the hydraulic rod (433). A guide rod (436) parallel to the hydraulic rod (433) is also installed on the pressing plate (434). The channel-type baler (44) is equipped with a second load-bearing conveyor belt (45), and a clearance is left between the first load-bearing conveyor belt (423) and the second load-bearing conveyor belt (45) for the baler belt (44) to rotate.

8. The automated stacking system according to claim 7, characterized in that: The limiting claw (424) includes a connecting plate (4241), a pin (4242), a claw seat (4243), a claw body (4244), and a second tension spring (4245). The connecting plate (4241) is fixed to the top of the limiting post (4201) by screws. The pin (4242) is vertically mounted on the surface of the connecting plate (4241). A limiting tooth (4246) is machined on the bottom of the pin (4242). The claw seat (4243) is fitted onto the outside of the pin (4242). The claw seat (4243) is machined with a pin hole (4247) that matches the size of the pin (4242). The pin hole (4247) is also machined with... A second limiting groove (4248) cooperates with the limiting tooth (4246). The second limiting groove (4248) keeps the claw seat (4243) in a balanced or vertical state. The claw body (4244) is connected to the front end of the claw seat (4243). One end of the second tension spring (4245) is connected to the end of the claw seat (4243) away from the claw body (4244), and the other end is connected to the connecting plate (4241). The second tension spring (4245) is used to keep the claw body (4244) in a horizontal state. When the second tension spring (4245) is stretched, the claw body (4244) is in a vertical state. The first load-bearing conveyor belt (423) includes a support roller ( 4231), conveyor support base (4232), support bar (4233), conveyor belt (4234), support block (4235), and load-bearing plate (4236); two support rollers (4231) are horizontally and rotatably mounted on the conveyor support base (4232), and the conveyor belt (4234) is fitted around the outside of the two support rollers (4231). One of the conveyor support bases (4232) is equipped with a motor that drives the support rollers (4231) to rotate. Each support roller (4231) is rotatably mounted on the conveyor support base (4232). Both conveyor support bases (4232) have load-bearing plates installed on their side walls. The sliding block on the limiting rail (4203) has a support bar (4233) installed on each of the two conveyor support seats (4232). The inner walls of both ends of the support bar (4233) are equipped with support blocks (4235) placed inside the conveyor belt (4234). The top of the support block (4235) is equipped with a load-bearing plate (4236). The load-bearing plate (4236) is at the same height as the top surface of the support rollers (4231) on both sides and supports the bottom surface of the conveyor belt (4234). The counterweight box (426) is a hollow cube shape with an open top. The counterweight block can be placed inside the counterweight box (426). The traction rope (4251) can be made of steel wire rope, hemp rope or chain.

9. The automated stacking system according to any one of claims 1 to 8, characterized in that: The control system (6) includes a PLC controller, a touch screen, multiple sensor units, an execution drive unit, and a remote monitoring module. The PLC controller is electrically connected to the touch screen and multiple execution drive units via an industrial bus and is also connected to the remote monitoring module. The touch screen is used to provide a human-machine interface. The sensor units include a position sensor on the scissor folding machine (1), a limit switch on the bag stacking machine (2), a counting sensor on the pre-compression baling machine (4), and a material detection sensor on the compression baling machine (5). The execution drive unit includes a solenoid valve group that drives each cylinder and a frequency converter or servo driver that drives the motor. The PLC controller sends instructions to the execution drive unit according to the feedback signals from the sensor units and the preset program logic, thereby controlling the scissor folding machine (1), bag stacking machine (2), transfer mechanism (3), pre-compression baling machine (4), and compression baling machine (5) to automatically complete the entire process of folding, bag stacking, transfer, pre-compression baling, and compression baling according to the set rhythm. The remote monitoring module is connected to the PLC controller via Ethernet and is used to monitor the production line operation status, output statistics, and fault alarms in real time.