Automatic loading and unloading vehicle system for box body

Abstract

The utility model discloses an automatic box loading and unloading vehicle system which comprises a vehicle body, a telescopic conveyor is arranged on one side of the vehicle body, a pull distance conveyor is arranged at one end of the telescopic conveyor, an arrangement conveyor is arranged at the position, located at one end of the pull distance conveyor, of the vehicle body, a robot is further arranged on the vehicle body, and a grabbing mechanism is arranged on the robot. A chassis steel frame is fixedly arranged at the bottom of the vehicle body, four steering wheels are symmetrically and fixedly arranged at the bottom of the chassis steel frame, and the telescopic conveyor, the saw determination conveyor, the arrangement conveyor, the robot and the grabbing mechanism are all connected with a control device. By arranging the automatic finished product loading system integrating the telescopic conveyor, the pull distance conveyor, the arrangement conveyor, the robot, the grabbing mechanism and the like, continuous and automatic loading can be conducted on boxes, automatic, rapid and efficient loading and unloading of the boxes are achieved, the labor intensity of operators is relieved, the working efficiency is improved, the loading and unloading automation degree is improved, and the labor intensity of workers is reduced. And the same grabbing mechanism can realize the coverage of the loading and unloading vehicle for different products with multiple specifications.

Description

Technical Field

[0001] This utility model relates to the field of logistics technology, specifically to an automatic loading and unloading system for container trucks. Background Technology

[0002] Currently, most loading and unloading operations in China rely on manual labor or conveyor equipment. During loading, after the truck enters the loading platform, forklifts manually move pallets into the truck, and then manual labor unloads the goods into the truck bed. Another method is mechanically assisted loading, which uses telescopic conveyors or other conveying equipment to transport the items (boxes) to the truck bed, where they are then loaded manually, saving some manual handling work. During unloading, manual unloading or telescopic conveyors are used to reach into the truck bed, where workers move the goods onto the conveyor and then transport them to the outside of the truck bed to complete the unloading. These methods require a large amount of manual labor, are very labor-intensive, and have low efficiency. In the long run, manual loading and unloading cannot meet the demands in terms of both labor costs and efficiency.

[0003] This utility model provides an automatic loading mechanism for finished products that integrates a telescopic conveyor, a long-distance conveyor, a sorting conveyor, a robot, and a gripping mechanism. It can continuously and automatically load parts or boxes, is compatible with most types of carriages, and realizes automatic, fast, and efficient loading and unloading of finished products or boxes. It aims to reduce the labor intensity of operators, improve work efficiency, and increase the degree of automation in loading (unloading), so that the same fixture can cover the loading and unloading of multiple specifications and different products. Utility Model Content

[0004] This utility model provides an automatic loading and unloading system for container trucks to solve the problems existing in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0006] An automated container loading and unloading system includes a vehicle body, a retractable conveyor mounted on one side of the vehicle body, the retractable conveyor being installed to the vehicle body through fixed mounting holes, a stretch conveyor mounted at one end of the retractable conveyor and located on the vehicle body, a sorting conveyor mounted on the vehicle body at one end of the stretch conveyor, a robot mounted on the vehicle body, the robot being equipped with a gripping mechanism, a chassis steel frame fixed to the bottom of the vehicle body, four spur wheel connecting plates symmetrically fixed to the bottom of the chassis steel frame, spur wheels mounted on the spur wheel connecting plates, and the retractable conveyor, stretch conveyor, sorting conveyor, robot and gripping mechanism all connected to a control device;

[0007] The gripping mechanism includes a mounting base, a servo motor, a ball screw, a cylinder, a connecting plate, a pressure plate, a fixing plate, and a fixing bracket. The mounting base is fixedly connected to the bottom of the robot. The servo motor is fixedly connected to one end of the mounting base. The ball screw is threadedly connected to the connecting plate. The servo motor and the ball screw are connected via belt drive. The connecting plate is slidably connected to the mounting base. Two cylinders are provided, symmetrically arranged on both sides of one end of the connecting plate. The output end of the cylinder is fixedly connected to the pressure plate. The fixing plate is fixedly connected to the mounting base. A fixing bracket is fixedly provided on one side of the fixing plate.

[0008] Preferably, at least four elastic plates are symmetrically arranged at the bottom of the pressure plate.

[0009] The retractable conveyor includes a motor, a reducer, a drive roller, a driven roller, a bracket, and a support frame. The motor is connected to the reducer and fixedly connected to the support frame. The output end of the reducer is fixedly connected to the drive roller. The drive roller is located at the end of the retractable conveyor away from the vehicle body. The drive roller and the driven roller are connected by a transmission belt. The support frame is slidably connected to the bracket. The support frame is divided into a fixed section and a telescopic section, with the telescopic section nested within the fixed section for dynamic adaptation. Several brackets are provided.

[0010] Preferably, each of the brackets is fixedly connected to a caster wheel at its bottom.

[0011] The conveyor includes a frame, a support frame, a second motor, a second reducer, a second drive roller, a belt, a second driven roller, a roller connecting plate, and a baffle. The frame is fixedly connected to the vehicle body via the support frame. One end of the frame is fixedly connected to the second motor, and the second motor is connected to the second reducer. The output end of the second reducer is fixedly connected to the second drive roller. The second drive roller and the second driven roller are connected via the roller connecting plate and their spacing is adjustable. The belt is fitted onto the second drive roller and the second driven roller.

[0012] Preferably, baffles are provided on both sides of the stretch conveyor.

[0013] The sorting conveyor includes a frame, a third motor, a third reducer, a third drive roller, and a third driven roller. The frame is fixedly connected to the vehicle body. One end of the frame is fixedly connected to the third motor. The third motor is connected to the third reducer. The third reducer is connected to the output end of the third drive roller. The third drive roller and the third driven roller constitute the conveyor belt of the sorting conveyor.

[0014] Preferably, the sorting conveyor is further provided with an adjustment assembly. The adjustment assembly is provided in two sets, located on the side away from the gripping mechanism and the side away from the stretch conveyor, respectively. The adjustment assembly includes an adjustment plate support rod, an adjustment rod, and an adjustment plate. The adjustment plate support rod is fixedly connected to the vehicle body, the adjustment plate support rod is threadedly connected to the adjustment rod, and the adjustment plate is fixedly connected to the adjustment rod.

[0015] Preferably, the steering wheel is equipped with a steering gear, which is driven by a travel motor. The travel motor is connected to an encoder and is also connected to a reducer and a brake.

[0016] Preferably, the telescopic conveyor, the stretch conveyor, and the sorting conveyor are all connected to the vehicle body via mounting plates, and the mounting plates are used to align the interfaces and heights of each other.

[0017] This utility model has the following beneficial effects:

[0018] (1) By setting up an automatic loading system for finished parts that integrates a telescopic conveyor, a long-distance conveyor, a sorting conveyor, a robot, and a gripping mechanism, the boxes can be loaded continuously and automatically. It is compatible with most carriages and realizes automatic, fast and efficient loading and unloading of finished parts or boxes, reducing the labor intensity of operators, improving work efficiency, and increasing the degree of automation of loading and unloading. The same gripping mechanism can cover the loading and unloading of multiple specifications and different products.

[0019] (2) By setting up a gripping mechanism, when it is in place and grips the box, the deformation of the elastic material will increase the friction between the box and the pressure plate. This design makes the box more stable during movement and prevents it from tipping over, thereby improving the reliability of handling. In addition, when the robot grips the box, it can not only grip the unpackaged box, but also grip different sizes of cardboard packaging at the same time. This strong compatibility means that the robot does not need to change the gripping mechanism during the palletizing and gripping of different types of packaging, which greatly reduces the standby time caused by changing the gripping mechanism and improves production efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is the front view of this utility model;

[0022] Figure 3 This is a side view of the present invention;

[0023] Figure 4 This is a top view of the present invention;

[0024] Figure 5This is a schematic diagram of the gripping mechanism of this utility model;

[0025] Figure 6 This is the front view of the retractable conveyor of this utility model;

[0026] Figure 7 This is a side view of the retractable conveyor of this utility model;

[0027] Figure 8 This is a top view of the telescopic conveyor of this utility model;

[0028] Figure 9 This is a front view of the pull-out conveyor of this utility model;

[0029] Figure 10 This is a top view of the pull-out conveyor of this utility model;

[0030] Figure 11 This is a side view of the sorting conveyor of this utility model;

[0031] Figure 12 This is a top view of the sorting conveyor of this utility model;

[0032] Figure 13 This is a schematic diagram of the chassis steel frame structure of this utility model;

[0033] Figure 14 This is a schematic diagram of the connection structure between the steering wheel and the chassis steel frame of this utility model.

[0034] In the diagram, 1-vehicle body, 2-extendable conveyor, 201-motor, 202-reducer, 203-drive roller one, 204-driven roller one, 205-support bracket, 206-support frame, 207-caster wheel, 3-extension conveyor, 301-frame, 302-support frame, 303-motor two, 304-reducer two, 305-drive roller two, 306-belt, 307-driven roller two, 308-roller connecting plate, 309-baffle, 4-sorting conveyor, 401-frame, 402-motor three, 403- Reducer 3, 404-Adjusting plate, 405-Transmission roller 3, 406-Driven roller 3, 407-Adjusting plate support rod, 408-Adjusting rod, 5-Robot, 501-Mounting base, 502-Servo motor, 503-Ball screw, 504-Cylinder, 505-Connecting plate, 506-Pressure plate, 507-Fixing plate, 508-Fixing bracket, 509-Elastic plate, 6-Chassis steel frame, 7-Steering wheel connecting plate, 8-Steering wheel, 801-Steering gear, 802-Walking motor, 803-Reducer 4, 804-Brake, 9-Mounting plate. Detailed Implementation

[0035] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0036] An automated container loading and unloading system, as shown in the attached document. Figure 1-14 As shown, the system includes a vehicle body 1. A retractable conveyor 2 is installed on one side of the vehicle body 1. The retractable conveyor 2 is installed on the vehicle body 1 through fixed mounting holes. A stretch conveyor 3 is installed at one end of the retractable conveyor 2. The retractable conveyor 2 transports the boxes to the stretch conveyor 3, which adjusts the distance between the boxes. The stretch conveyor 3 is located on the main body of the equipment. A sorting conveyor 4 is installed on the vehicle body 1 at one end of the stretch conveyor 3. The sorting conveyor 4 sorts the boxes. A robot 5, which is an ABB4600 robot, is also installed on the vehicle body 1. The robot 5 is equipped with a gripping mechanism. A chassis steel frame 6 is fixed to the bottom of the vehicle body 1. Four steering wheel connecting plates 7 are symmetrically fixed to the bottom of the chassis steel frame 6. Steering wheels 8 are installed on the steering wheel connecting plates 7. The retractable conveyor 2, stretch conveyor 3, sorting conveyor 4, robot 5, and gripping mechanism are all connected to a control device.

[0037] The gripping mechanism includes a mounting base 501, a servo motor 502, a ball screw 503, a cylinder 504, a connecting plate 505, a pressure plate 506, a fixing plate 507, and a fixing bracket 508. The mounting base 501 is fixedly connected to the bottom of the robot 5. The servo motor 502 is fixedly connected to one end of the mounting base 501. The ball screw 503 is threadedly connected to the connecting plate. The servo motor 502 and the ball screw 503 are connected via belt drive. The connecting plate is slidably connected to the mounting base 501. Two cylinders 504 are provided, symmetrically arranged on both sides of one end of the connecting plate. The output end of the cylinder 504 is fixedly connected to the pressure plate 506, and the fixing plate 507 is fixedly connected to the mounting base 501. A fixing bracket 508 is fixedly provided on one side of the fixing plate 507. At least four elastic plates 509 are symmetrically arranged at the bottom of the pressure plate 506. This design allows the gripping mechanism to flexibly adapt to box products of different sizes and meet diverse needs. When gripping and placing the box, under the action of the control device, the movement speed of the robot 5 and the movement speed of the gripping mechanism are matched with each other under the drive of the servo mechanism. This precise speed matching ensures that the box is gripped and placed accurately. During the process, the cigarettes can be stably stacked on pallets, avoiding product tipping or damage due to inconsistent speeds, thus improving palletizing efficiency and safety. A 5mm thick elastic material plate is installed on the pressure plate 506. When the gripping mechanism is in place and grasps the box, the deformation of the elastic material increases the friction between the cigarette box and the pressure plate 506. This design makes the box more stable during movement, preventing tipping and improving handling reliability. Furthermore, when gripping boxes, Robot 5 can not only grasp unpackaged boxes but also simultaneously grasp boxes of different sizes. This strong compatibility allows Robot 5 to handle different types of packaging without changing its gripping mechanism, greatly reducing downtime caused by changing the gripping mechanism and improving production efficiency. When using the gripping mechanism for Robot 5 palletizing, the stacks are neat and compact. This neat stack shape not only improves the aesthetics of the palletizing but also reduces safety hazards during the transport of the entire stack. The neat stack shape can better withstand vibration and impact during transportation, reducing the risk of transportation accidents that may be caused by irregular stack shapes, and ensuring the safety and reliability of the entire production process.

[0038] The retractable conveyor 2 includes a motor 201, a reducer 202, a drive roller 203, a driven roller 204, a bracket 205, and a support frame 206. The motor 201 is connected to the reducer 202 and fixedly connected to the support frame 206. The output end of the reducer 202 is fixedly connected to the drive roller 203. The drive roller 203 is located at the end of the retractable conveyor 2 away from the vehicle body 1. The drive roller 203 and the driven roller 204 are connected by a transmission belt. The support frame 206 is slidably connected to the bracket 205. Several brackets 205 are provided, and each bracket 205 has a caster wheel 207 fixedly connected to its bottom. A reducer 202 connects a motor 201 to a drive roller 203, reducing the output speed of the motor 201 and increasing its torque through a gear set to ensure stable operation of the conveyor belt under heavy load conditions. The drive roller 203 is driven by the reducer 202, driving the conveyor belt or chain (i.e., the drive belt) through friction or meshing. The driven roller... 204 serves to support and guide the conveyor belt, working together with drive roller 203 to tension the conveyor belt and ensure its smooth operation; the main structure of support frame 206 is made of steel profiles, providing rigid support; bracket 205 is the vertical column of support frame 206, used to adjust the height of the conveyor line; casters 207 are installed at the bottom of bracket 205, using self-locking casters and equipped with brake devices, facilitating the movement and positioning of the conveyor line; the wheels are locked during operation to maintain stability, and can be flexibly steered during movement; power transmission motor 201... After startup, the power is adjusted to a suitable speed and torque by the reducer 202, driving the drive roller 203 to rotate; the drive roller 203 forms a closed loop with the driven roller 204 through the transmission belt, driving the goods to move along the conveying direction; the support frame 206 is divided into a fixed section and a telescopic section, with the telescopic section nested inside the fixed section, dynamically adaptable: the telescopic range is 3-15 meters; load capacity: the conveyor belt is designed to bear up to 500 kg, adapting to different cargo densities; the telescopic conveyor 2 is installed on the vehicle body 1 through fixed mounting holes.

[0039] The conveyor 3 includes a frame 301, a support frame 302, a second motor 303, a second reducer 304, a second drive roller 305, a belt 306, a second driven roller 307, a roller connecting plate 308, and a baffle 309. The frame 301 is fixedly connected to the vehicle body via the support frame 302. One end of the frame 301 is fixedly connected to the second motor 303, and the second motor 303 is connected to the second reducer 304. The output end of the second reducer 304 is fixedly connected to the second drive roller 305. The second drive roller 305 is connected to the driven roller 307. The second roller 307 is connected by a roller connecting plate 308 and the spacing is adjustable. The belt 306 is sleeved on the second drive roller 305 and the second driven roller 307. Baffles 309 are also provided on both sides of the stretch conveyor 3. The second driven roller 307 is one of the core components of the stretch conveyor 3, which transmits the power of the second motor 303 to the conveyor belt. The belt 306 is the carrier for conveying materials. The baffles 309 on both sides are used to adjust the width. The frame 301, the roller connecting plate 308, and the support frame 302 ensure the stability of the stretch conveyor 3. The motion state of the conveyor belt directly affects its working efficiency and reliability. The driven roller 307 supports the belt 306 and changes its direction of movement. During the conveying process, the driven roller 307 does not actively drive the belt 306, but rotates passively through friction with the belt 306. When the motor 303 starts, its output power is first reduced and increased in torque by the reducer 304, and then transmitted to the drive roller 305. The drive roller 305 starts to rotate, and friction is generated between its surface and the conveyor belt, thereby driving the belt 306 to move. The key function of the conveyor belt 3 is to adjust the conveying distance, which is mainly achieved by changing the tension of the conveyor belt. When it is necessary to adjust the conveying distance, the tension of the belt 306 can be adjusted by changing the positional relationship between the drive roller 305 and the driven roller 307. When the belt 306 is tensioned, the conveying distance increases; when the belt 306 is slack, the conveying distance decreases. During the conveying process, the material is placed on the belt 306 and is conveyed to the designated position as the belt 306 moves.

[0040] The sorting conveyor 4 includes a frame 401, a motor 402, a reducer 403, a drive roller 405, and a driven roller 406. The frame 401 is fixedly connected to the vehicle body 1. One end of the frame 401 is fixedly connected to the motor 402. The motor 402 is connected to the reducer 403. The reducer 403 is connected to the output end of the drive roller 405. The drive roller 405 and the driven roller 406 constitute the conveyor belt of the sorting conveyor 4. The sorting conveyor 4 is also equipped with an adjustment assembly. Two sets of adjustment assemblies are provided, located on the side away from the gripping mechanism and the side away from the tension conveyor 3, respectively. The adjustment assembly includes an adjustment plate support rod 407. The adjusting rod 408 and adjusting plate 404 are connected together. The adjusting plate support rod 407 is fixedly connected to the vehicle body 1, and the adjusting plate support rod 407 is threadedly connected to the adjusting rod 408. The adjusting plate is fixedly connected to the adjusting rod 408. These components constitute the adjusting system of the sorting conveyor 4, which is used to manually adjust the width of the box entering the conveyor line. After the motor 402 starts, it transmits power to the drive roller 405 through the reducer 403. The drive roller 405 rotates and drives the conveyor belt to move through friction. The box is placed on the conveyor belt and is transported to the designated position as the conveyor belt moves. As needed, the width of the box entering the conveyor line can be adjusted by manually adjusting the position of the adjusting plate 404.

[0041] The steering wheel 8 is equipped with a steering gear 801, which is driven by a travel motor 802. The travel motor 802 is connected to an encoder, a reducer 803, and a brake 804. The reducer 803 reduces the high speed of the motor to a low speed suitable for the wheel's operation while increasing torque. The reducer 804 improves the driving efficiency and load capacity of the steering wheel 8. The steering gear 801 enables the steering function of the steering wheel 8. Through the meshing of the steering gear 801, the steering wheel 8 can rotate in different directions, thereby achieving steering control of the equipment. The brake 804 stops the movement of the steering wheel 8 when needed. The brake 804 can quickly and reliably brake the steering wheel 8, ensuring that the equipment can stop in time in emergency situations. The encoder measures the speed and position information of the steering wheel 8 and feeds this information back to the control device to achieve precise control of the steering wheel 8.

[0042] The retractable conveyor 2, the long-distance conveyor 3, and the sorting conveyor 4 are all connected to the vehicle body 1 via mounting plates 9 and fixed with bolts. The mounting plates 9 also enable the alignment of the interfaces and heights between each pair. The mounting plates 9 are key components for connecting the conveyors to the vehicle body 1, ensuring that the conveyors are securely fixed to the vehicle body 1 and remain horizontal. The mounting plates 9 are bolted to the vehicle body 1, which facilitates installation and disassembly and can withstand various forces generated during the operation of the conveyors.

[0043] Work process

[0044] First, the automated loading and unloading system is driven into the tobacco cart, ensuring alignment with the loading and unloading port for accurate docking of subsequent loading and unloading operations. The specifications of the tobacco cartons to be stacked are input into the control device, and the cartons are transported from the retractable conveyor 2 to the extension conveyor 3. Retractable conveyor 1: This type of conveyor can extend or retract as needed, facilitating the transport of tobacco cartons to different locations. Extension conveyor 2: Used to adjust the spacing between tobacco cartons, ensuring that they do not collide or pile up during subsequent transport. On extension conveyor 3, the spacing between tobacco cartons is adjusted to a suitable distance, ensuring sufficient space between each carton for subsequent assembly. After the stretching is completed, the cigarette boxes are transported to the sorting conveyor 4, which sorts the cigarette boxes to ensure that they are neatly arranged and oriented in the same direction. The sorting conveyor 4 then transports the sorted cigarette boxes to the palletizing area of ​​robot 5. After receiving the signal, robot 5 stacks the cigarette boxes in the cigarette cart according to the previously input cigarette box specifications. Robot 5 operation: Robot 5 uses its end gripping mechanism to grab the cigarette boxes and stacks them layer by layer in the cigarette cart according to the preset palletizing program. After the stacking is completed, robot 5 returns to the initial position to wait for the next batch of cigarette boxes to be transported. At the same time, the automatic loading and unloading system automatically travels to the next loading and unloading position as needed to continue the loading and unloading operation.

Claims

1. A box automated handling system, characterized by, The utility model provides a kind of vehicle, including car body (1), the car body (1) one side is provided with telescopic conveyor (2), the telescopic conveyor (2) is installed to car body (1) by fixed mounting hole, telescopic conveyor (2) one end is provided with pull distance conveyor (3), and pull distance conveyor (3) is located on car body (1), the car body (1) on pull distance conveyor (3) one end is provided with arrangement conveyor (4), the car body (1) is also provided with robot (5), the robot (5) is provided with gripping mechanism, the car body (1) bottom is fixed with chassis steel frame (6), the chassis steel frame (6) bottom is symmetrically fixed with four rudder wheel connecting plate (7), the rudder wheel connecting plate (7) is installed with rudder wheel (8), and telescopic conveyor (2), pull distance conveyor (3), arrangement conveyor (4), robot (5) and gripping mechanism are connected with control device; The gripping mechanism includes a mounting seat (501), a servo motor (502), a ball screw (503), a cylinder (504), a connecting plate (505), a pressing plate (506), a fixed plate (507), a fixed bracket (508), the mounting seat (501) is fixedly connected with the bottom of the robot (5), the servo motor (502) is fixedly connected with one end of the mounting seat (501), the ball screw (503) is threadedly connected with the connecting plate (505), the servo motor (502) is connected with the ball screw (503) by belt drive, the connecting plate (505) is slidingly connected with the mounting seat (501), the cylinder (504) is provided with two, which are symmetrically arranged on both sides of one end of the connecting plate (505), the output end of the cylinder (504) is fixedly connected with the pressing plate (506), the fixed plate (507) is fixedly connected with the mounting seat (501), and the fixed plate (507) is fixedly provided with the fixed bracket (508) on one side.

2. The box handler system of claim 1, wherein, The bottom of the pressing plate (506) is symmetrically provided with at least four elastic plates (509).

3. The box handler system of claim 1, wherein, The telescopic conveyor (2) includes a motor (201), a speed reducer (202), a transmission drum (203), a driven drum (204), a support (205), and a support frame (206), the motor (201) is connected with the speed reducer (202) and fixedly connected with the support frame (206), the output end of the speed reducer (202) is fixedly connected with the transmission drum (203), the transmission drum (203) is located at one end of the telescopic conveyor (2) away from the car body (1), the transmission drum (203) is connected with the driven drum (204) through a transmission belt, the support frame (206) is slidingly connected with the support (205), the support frame (206) is divided into a fixed section and an extension section, the extension section is nested in the fixed section, and dynamically adapts, and the support (205) is provided with a plurality of supports.

4. The box handler system of claim 1, wherein, The bottom of each support (205) is fixedly connected with a universal wheel (207).

5. The box handler system of claim 2, wherein, The distance pulling conveyor (3) comprises a rack (301), a support frame (302), a second motor (303), a second speed reducer (304), a second transmission roller (305), a belt (306), a second driven roller (307), a roller connecting plate (308), and a baffle (309), the rack (301) is fixedly connected with the vehicle body (1) through the support frame (302), one end of the rack (301) is fixedly connected with the second motor (303), the second motor (303) is connected with the second speed reducer (304), the output end of the second speed reducer (304) is fixedly connected with the second transmission roller (305), the second transmission roller (305) is connected with the second driven roller (307) through the roller connecting plate (308) and the distance between them is adjustable, and the belt (306) is sleeved on the second transmission roller (305) and the second driven roller (307).

6. The box handler system of claim 5, wherein, The distance pulling conveyor (3) is provided with baffles (309) on both sides.

7. The box handler system of claim 1, wherein, The arrangement conveyor (4) comprises a frame (401), a third motor (402), a third speed reducer (403), a third transmission roller (405), and a third driven roller (406), the frame (401) is fixedly connected with the vehicle body (1), one end of the frame (401) is fixedly connected with the third motor (402), the third motor (402) is connected with the third speed reducer (403), the third speed reducer (403) is connected with the output end of the third transmission roller (405), and the third transmission roller (405) and the third driven roller (406) constitute the conveying belt of the arrangement conveyor (4).

8. The box handler system of claim 1, wherein, The arrangement conveyor (4) is further provided with an adjusting assembly, the adjusting assembly is provided with two groups, which are located on the side away from the grabbing mechanism and the side away from the distance pulling conveyor (3), and the adjusting assembly comprises an adjusting plate support rod (407), an adjusting rod (408), and an adjusting plate (404), the adjusting plate support rod (407) is fixedly connected with the vehicle body (1), the adjusting plate support rod (407) is threadedly connected with the adjusting rod (408), and the adjusting plate (404) is fixedly connected with the adjusting rod (408).

9. The box handler system of claim 1, wherein, The steering wheel (8) is provided with a steering gear (801), the steering gear (801) is driven by a walking motor (802), the walking motor (802) is connected with an encoder, the walking motor (802) is further connected with a fourth speed reducer (803) and a brake (804).

10. The box handler system of claim 1, wherein, The telescopic conveyor (2), the distance pulling conveyor (3), and the arrangement conveyor (4) are connected with the vehicle body (1) through the mounting plate (9) and are aligned in interface and height through the mounting plate (9).

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