Lifting type stacking device based on AGV logistics trolley

Abstract

The invention relates to the field of logistics vehicles, in particular to a lifting type stacking device based on an AGV logistics trolley, which comprises an AGV, a moving structure is arranged on the AGV, a transverse displacement component comprises a control box and a driving assembly, one side surface of the control box is fixedly connected with two symmetrical support frames, and conveying belts are arranged in the two support frames. A second supporting roller and a first supporting roller are driven by a two-way motor of the driving assembly through the transverse conveying belt, the forward and reverse conveying function is matched, horizontal loading, unloading and precise pushing of the logistics box are completed, and the auxiliary pushing assembly is made to conduct meshing transmission through a conical groove; when the conveying belt runs, the abutting plate is synchronously driven to conduct two-way limiting on the upper portion and the lower portion of the logistics box, it is ensured that the position of the logistics box is stable in the moving process, and the longitudinal moving assembly achieves height self-adaptive adjustment of the logistics box through lifting adjustment of a first screw and a lifting plate in combination with sliding supporting of an auxiliary wheel and a first guide rod; and the requirements of different stacking layers are seamlessly joined.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics vehicles, and in particular to a lifting palletizing device based on an AGV logistics trolley. Background Art

[0002] With the gradual development of factory automation and computer integrated manufacturing system technology, as well as the wide application of flexible manufacturing systems and automated stereoscopic warehouses, AGV, as a necessary automated handling and loading / unloading means for connecting and regulating discrete logistics management systems to make their operations continuous, has seen rapid development in its application scope and technical level. The main functions of AGV handling robots or AGV trolleys are concentrated in automatic logistics transportation. AGV handling robots automatically transport items to designated locations through special landmark navigation. The most common guiding methods include magnetic stripe guiding, laser guiding, RFID guiding, etc.

[0003] In the Chinese patent with the publication number CN119612412A, a forklift-type AGV automatic guiding vehicle palletizing mechanism is disclosed. The movement of the balance plate drives the clamping plate to move towards the goods. The movement of the clamping plate contacts the goods and positions the goods, preventing the goods from flying out due to inertia when the balance vehicle brakes suddenly, improving the protection of the goods. The movement of the sliding block drives the arc-shaped rod to rotate. The rotation of the arc-shaped rod contacts the other sliding blocks, and the rotation of the arc-shaped rod drives the other sliding blocks to move, so that no matter when the balance vehicle turns to different angles, the positioning device can be triggered and all clamping plates can position the goods.

[0004] Although the above solution ensures the stability of the logistics box on the balance vehicle by setting a positioning device on the balance vehicle, however, the method of positioning the logistics box in this way is only applicable to the logistics box after palletizing is completed, and it is difficult to complete the entire handling and palletizing process of the logistics box, with certain limitations.

[0005] Therefore, the present invention provides a lifting palletizing device based on an AGV logistics trolley to solve the above problems. Summary of the Invention

[0006] In view of the above situation, to overcome the deficiencies of the prior art, the present invention provides a lifting palletizing device based on an AGV logistics trolley to solve the problem that the method of positioning the logistics box is only applicable to the logistics box after palletizing is completed, and it is difficult to complete the entire handling and palletizing process of the logistics box, with certain limitations.

[0007] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0008] A lifting palletizing device based on an AGV logistics trolley, comprising:

[0009] An AGV transport vehicle is provided with a mobile structure.

[0010] The lateral displacement component includes a control box and a drive assembly. One side of the control box is fixedly connected to two symmetrical support frames. Conveyor belts are arranged in the two support frames, and the conveyor belts complete the lateral movement of the logistics box on the support frames through the drive assembly.

[0011] The auxiliary pushing assembly is arranged between the two support frames, and is used to assist the movement of the logistics box on the two conveyor belts for auxiliary pushing, and the auxiliary pushing assembly is linked to the driving assembly.

[0012] The longitudinal moving component is installed on the AGV transporter and is used to adjust the height of the logistics box on the conveyor belt.

[0013] The positioning component includes two guide components and a control component. The two guide components each include a control box and two guide boxes. The two control boxes complete the distance adjustment with the logistics box through the control component. The two guide boxes complete the distance adjustment with the control box through the control component.

[0014] Preferably, the driving assembly includes a second motor, the output shaft of the second motor is equipped with a transmission shaft, and the transmission shaft is rotatably connected to two support frames, two second support rollers are fixedly connected to the transmission shaft, and the two support frames are rotatably connected with a rotating shaft, each of the rotating shafts is fixedly connected to a first support roller, and the second support roller and the first support roller are connected through a conveyor belt transmission.

[0015] Preferably, the auxiliary pushing assembly includes a second screw rod, the upper portion of which is rotatably connected to a first fixed frame, and the two ends of the first fixed frame are respectively fixedly connected to two support frames, and the second screw rod and the transmission shaft are both fixedly connected to conical grooves, and the two conical grooves are meshed with each other.

[0016] Preferably, a movable plate is threadedly connected to the second screw rod, and two connecting rods are fixedly connected to the movable plate, and a support plate is fixedly connected to the two connecting rods, and the two support plates are respectively located above the support frame and below the support frame, and a fourth guide rod is slidably connected to the movable plate, and the fourth guide rod is fixedly connected to the first fixed frame.

[0017] Preferably, the longitudinal moving component includes a moving groove opened on the AGV transport vehicle and a first motor fixedly connected to the AGV transport vehicle, the output shaft of the first motor is installed with a first screw, the first screw is threadedly connected with a lifting plate, and one end of the lifting plate is fixedly connected to the control box.

[0018] Preferably, two first guide rods are slidably connected to the lifting plate, both ends of the two first guide rods are fixedly connected to the moving groove, and an auxiliary wheel is installed on the bottom surface of the control box.

[0019] Preferably, a rotating groove is formed in the guide box, and guide rollers arranged at equal intervals are rotatably connected in the rotating groove, and a positioner is also installed on the guide box.

[0020] Preferably, the control assembly includes a transmission rod arranged in the control box. Two second fixing frames are rotatably connected to the transmission rod, and the second fixing frames are fixedly connected to the control box. Two linkage shafts are slidably connected to the transmission rod, and one side surfaces of the two linkage shafts away from each other are rotatably connected to the control box. A bidirectional telescopic cylinder is fixedly connected in the control box. Both telescopic ends of the bidirectional telescopic cylinder are fixedly connected with linkage seats, and the linkage shafts are rotatably connected to the linkage seats. A second guide rod is fixedly connected to the control box. One end of the second guide rod penetrates through the control box and is fixedly connected with a limit block, and the second guide rod is slidably connected to the control box.

[0021] Preferably, the control assembly further includes a third motor fixedly connected in the control box, and the output rotating shaft of the third motor is in transmission connection with the transmission rod. Key blocks are fixedly connected to both ends of the transmission rod, and the linkage shafts are provided with card slots matching the key blocks.

[0022] Preferably, a cavity is formed in the control box. A transmission gear is fixedly connected to the linkage shaft, and the transmission gear is located in the cavity. Two racks are slidably connected to the control box, and both racks are meshed with the transmission gear. One ends of the two racks away from the control box are respectively fixedly connected to the two guide boxes. Two third guide rods are fixedly connected in the control box. Guide grooves are formed in the racks, and the racks are slidably connected to the third guide rods through the guide grooves.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The horizontal conveyor belt drives the second support roller and the first support roller through the bidirectional motor of the drive assembly, and with the forward and reverse conveying functions, it completes the horizontal loading and unloading and precise pushing of the logistics box. The auxiliary pushing component uses the tapered groove to engage and drive, and synchronously drives the abutting plate to perform bidirectional limiting on the upper and lower sides of the logistics box during the operation of the conveyor belt, ensuring the stable position of the logistics box during movement. The longitudinal movement component realizes the height adaptive adjustment of the logistics box through the lifting adjustment of the first screw rod and the lifting plate, combined with the sliding support of the auxiliary wheel and the first guide rod, seamlessly connecting the requirements of different stacking layers.

[0025] 2. The bi-directional telescopic cylinder drives the linkage shaft to slide through the linkage seat, quickly adjusting the distance between the control boxes to adapt to the widths of different logistics boxes. When the third motor drives the transmission rod to rotate, the key block and slot drive the transmission gear to rotate synchronously, enabling the rack to precisely extend and retract along the third guide rod, thereby adjusting the longitudinal distance between the guide boxes to fit logistics boxes of different heights. With the design of guide rollers and rotating grooves inside the guide boxes, rolling friction is utilized to reduce the contact resistance of the logistics boxes. Combined with real-time calibration by the infrared laser locator, it ensures the stable positioning of the logistics boxes during turning or sudden stops, significantly enhancing the compatibility with goods of different sizes and the palletizing accuracy.

[0026] Figure description

[0027] Figure 1 is the three-dimensional view of the present invention Figure 1 .

[0028] Figure 2 is the three-dimensional view of the present invention Figure 2 .

[0029] Figure 3 is the top view of the present invention.

[0030] Figure 4 is the present invention Figure 3 The enlarged schematic view of the structure at A in the present invention.

[0031] Figure 5 is the cross-sectional view of the control box in the present invention.

[0032] Figure 6 is the present invention Figure 5 The enlarged schematic view of the structure at B in the present invention.

[0033] Figure 7 is the cross-sectional view of the control box in the present invention.

[0034] Figure 8 is the present invention Figure 7 The enlarged schematic view of the structure at C in the present invention.

[0035] Figure 9 is the installation schematic view of the conveyor belt inside the support frame in the present invention.

[0036] In the figure: 1. AGV carrier; 2. Moving groove; 3. First motor; 4. First screw rod; 5. First guide rod; 6. Lifting plate; 7. Control box; 8. Support frame; 9. Rotating shaft; 10. First support roller; 11. Second support roller; 12. Conveyor belt; 13. Second motor; 14. Transmission shaft; 15. Tapered groove; 16. First fixing frame; 17. Second screw rod; 18. Moving plate; 19. Connecting rod; 20. Abutting plate; 21. Auxiliary wheel; 22. Control box; 23. Second guide rod; 24. Linkage shaft; 25. Third motor; 26. Second fixing frame; 27. Transmission rod; 28. Key block; 29. Double-acting telescopic cylinder; 30. Linkage seat; 31. Limit block; 32. Guide box; 33. Rack; 34. Guide groove; 35. Third guide rod; 36. Transmission gear; 37. Rotating groove; 38. Guide roller; 39. Positioner; 40. Fourth guide rod. Detailed implementation manners

[0037] The following will refer to the reference Figures 1 to 9 to describe the embodiments of the present invention in detail. Those skilled in the art should understand that these implementation manners are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention.

[0038] A lifting palletizing device based on an AGV logistics trolley, comprising an AGV carrier 1, a lateral displacement component, an auxiliary pushing component, a longitudinal movement component and a positioning component.

[0039] Among them, a moving structure is provided on the AGV carrier 1. This moving structure is a prior art, and the moving mode is the cooperation of a motor and rollers. And the guiding mode when the AGV carrier 1 moves is selected from any one of electromagnetic induction type, laser induction type and RFID induction type, and these three modes are all prior arts and will not be elaborated in this application.

[0040] Among them, the lateral displacement component includes a control box 7 and a driving component. Two symmetrically arranged support frames 8 are fixedly connected to one side surface of the control box 7. Conveyor belts 12 are arranged in both of the two support frames 8, and the conveyor belts 12 complete the lateral movement of the logistics boxes on the support frames 8 through the driving component.

[0041] Both of the two support frames 8 are groove-shaped structures with open tops. The conveyor belts 12 are located inside the support frames 8, and the tops of the conveyor belts 12 should be outside the support frames 8. The conveyor belts 12 can complete the conveying of the logistics boxes.

[0042] In this embodiment, the driving assembly includes a second motor 13. A transmission shaft 14 is installed on the output rotating shaft of the second motor 13, and the transmission shaft 14 is rotatably connected to two support frames 8. Two second support rollers 11 are fixedly connected to the transmission shaft 14. A rotating shaft 9 is rotatably connected to each of the two support frames 8. A first support roller 10 is fixedly connected to each rotating shaft 9, and the second support roller 11 and the first support roller 10 are drivingly connected by a conveyor belt 12.

[0043] The output rotating shaft of the second motor 13 can rotate clockwise and counterclockwise, that is, the second support roller 11 can drive the conveyor belt 12 to convey in both forward and reverse directions through the first support roller 10, so as to complete two actions of carrying the logistics box onto the support frame 8 and pushing the logistics box from the support frame 8 to a suitable position for stacking.

[0044] In this embodiment, the auxiliary pusher assembly is arranged between the two support frames 8 and is used to assist the movement of the logistics box on the two conveyor belts 12 for auxiliary pushing. The auxiliary pusher assembly is linked with the driving assembly. The auxiliary pusher assembly includes a second screw 17. A first fixing frame 16 is rotatably connected to the second screw 17, and both ends of the first fixing frame 16 are fixedly connected to the two support frames 8 respectively. Tapered grooves 15 are fixedly connected to both the second screw 17 and the transmission shaft 14, and the two tapered grooves 15 are engaged with each other.

[0045] Since the two tapered grooves 15 are engaged with each other, when the transmission shaft 14 rotates, the two tapered grooves 15 can be used to drive the second screw 17 to perform synchronous rotational movement.

[0046] Wherein, a moving plate 18 is threadedly connected to the second screw 17. Two connecting rods 19 are fixedly connected to the moving plate 18. Two abutting plates 20 are fixedly connected to both connecting rods 19, and the two abutting plates 20 are respectively located above and below the support frame 8. A fourth guide rod 40 is slidably connected to the moving plate 18, and the fourth guide rod 40 is fixedly connected to the first fixing frame 16.

[0047] When the second screw 17 rotates, the moving plate 18 can reciprocate on the fourth guide rod 40. When the logistics box is being packed, one side of the logistics box can be abutted against the abutting plate 20, so as to determine the position of the logistics box on the support frame 8.

[0048] In this embodiment, the longitudinal moving assembly is arranged on the AGV carrier 1 and is used to adjust the height of the logistics box on the conveyor belt 12. The longitudinal moving assembly includes a moving groove 2 opened on the AGV carrier 1 and a first motor 3 fixedly connected to the AGV carrier 1. A first screw 4 is installed on the output rotating shaft of the first motor 3. A lifting plate 6 is threadedly connected to the first screw 4, and one end of the lifting plate 6 is fixedly connected to the control box 7.

[0049] The output rotating shaft of the first motor 3 drives the first screw rod 4 to rotate, and the lifting plate 6 drives the control box 7 to move up and down. Furthermore, the support frame 8 can carry the logistics box to move up and down, and complete the stacking and palletizing of the logistics box.

[0050] Wherein, two first guide rods 5 are slidably connected to the lifting plate 6, and both ends of the two first guide rods 5 are fixedly connected to the moving groove 2. An auxiliary wheel 21 is installed on the bottom surface of the control box 7. The first guide rods 5 guide the lifting plate 6 to ensure the stability of the movement of the lifting plate 6. And when the AGV carrier 1 moves, the auxiliary wheel 21 on the control box 7 can assist in the movement to ensure the stability in the moving state.

[0051] In this embodiment, the positioning component includes two guiding components and a control component. The two guiding components both include a control box 22 and two guiding boxes 32. A rotating groove 37 is formed in the guiding box 32, and equally spaced guiding rollers 38 are rotatably connected in the rotating groove 37. A positioner 39 is also installed on the guiding box 32.

[0052] When packing and palletizing the logistics box, the side of the logistics box is brought into contact with the guiding rollers 38, and the guiding rollers 38 are guided by rolling and contacting the logistics box to avoid the situation of skew during packing and palletizing of the guiding rollers 38. The positioner 39 adopts an infrared laser positioner, which can achieve the positioning effect of the AGV carrier 1 and the stacked logistics boxes.

[0053] Wherein, the two control boxes 22 complete the adjustment of the distance from the logistics box through the control component. The control component includes a transmission rod 27 arranged in the control box 7. Two second fixing frames 26 are rotatably connected to the transmission rod 27, and the second fixing frames 26 are fixedly connected to the control box 7. Two linkage shafts 24 are slidably connected to the transmission rod 27, and one side surfaces of the two linkage shafts 24 away from each other are rotatably connected to the control box 22. A bidirectional telescopic cylinder 29 is fixedly connected in the control box 7. Both telescopic ends of the bidirectional telescopic cylinder 29 are fixedly connected with a linkage seat 30, and the linkage shaft 24 is rotatably connected to the linkage seat 30. A second guide rod 23 is fixedly connected to the control box 22. One end of the second guide rod 23 penetrates through the control box 7 and is fixedly connected with a limit block 31, and the second guide rod 23 is slidably connected to the control box 7.

[0054] When adjusting the distance between the two control boxes 22 to accommodate logistics boxes of different specifications, the telescopic end of the bidirectional telescopic cylinder 29 drives the linkage seat 30 to move, and the linkage seat 30 drives the linkage shaft 24 to slide on the transmission rod 27, that is, the linkage shaft 24 drives the control box 22 to move, so as to adjust the distance between the guide box 32 and the logistics box. Moreover, when the control box 22 moves, it will drive the second guide rod 23 to slide on the control box 7, which can prevent the control box 22 from tilting when moving.

[0055] In this embodiment, the distance between the two guide boxes 32 and the control box 22 is adjusted through a control component. The control component further includes a third motor 25 fixedly connected inside the control box 7, and the output rotating shaft of the third motor 25 is in transmission connection with the transmission rod 27. Both ends of the transmission rod 27 are fixedly connected with key blocks 28, and the linkage shaft 24 has a card slot matching the key block 28.

[0056] The linkage shaft 24 is slidably engaged with the transmission rod 27 through the card slot and the key block 28, so that when the transmission rod 27 rotates, it can drive the linkage shaft 24 to rotate synchronously through the card slot and the key block 28. That is, when the output rotating shaft of the third motor 25 drives the transmission rod 27 to rotate through the belt and pulley, the linkage shaft 24 will rotate accordingly.

[0057] Among them, a cavity is formed in the control box 22. A transmission gear 36 is fixedly connected to the linkage shaft 24, and the transmission gear 36 is located in the cavity. Two racks 33 are slidably connected to the control box 22, and both racks 33 are engaged with the transmission gear 36. The ends of the two racks 33 away from the control box 22 are respectively fixedly connected to the two guide boxes 32. Two third guide rods 35 are fixedly connected inside the control box 22. A guide groove 34 is formed in the rack 33, and the rack 33 is slidably connected to the third guide rod 35 through the guide groove 34.

[0058] When the linkage shaft 24 rotates, it will drive the transmission gear 36 to rotate, and the teeth on the rack 33 will be engaged with the transmission gear 36, so that the two racks 33 will synchronously extend or retract from the control box 22, thereby adjusting the distance between the two guide boxes 32, so that the two guide boxes 32 can be adjusted according to the height of the logistics box, ensuring the guiding effect of the guide rollers 38 on the guide box 32 on the logistics box.

[0059] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the figures. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0060] In addition, it should also be noted that in the description of the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the figures. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. A lifting palletizing device based on an AGV logistics trolley, characterized in that, include: An AGV transport vehicle (1), wherein the AGV transport vehicle (1) is provided with a mobile structure; The lateral displacement component comprises a control box (7) and a drive assembly, wherein one side of the control box (7) is fixedly connected to two symmetrical support frames (8), and a conveyor belt (12) is provided in each of the two support frames (8), and the conveyor belt (12) completes the lateral movement of the logistics box on the support frame (8) through the drive assembly; An auxiliary pushing assembly is arranged between the two support frames (8) and is used to assist the movement of the logistics box on the two conveyor belts (12) for auxiliary pushing, and the auxiliary pushing assembly is linked to the driving assembly; A longitudinal moving component is arranged on the AGV transport vehicle (1) and is used to adjust the height of the logistics box on the conveyor belt (12); The positioning component comprises two guide components and a control component. The two guide components each comprise a control box (22) and two guide boxes (32). The two control boxes (22) complete the distance adjustment with the logistics box through the control component. The two guide boxes (32) complete the distance adjustment with the control box (22) through the control component.

2. The lifting palletizing device based on an AGV logistics cart according to claim 1, wherein, The driving assembly comprises a second motor (13), the output shaft of the second motor (13) is provided with a transmission shaft (14), and the transmission shaft (14) is rotatably connected to two support frames (8), two second support rollers (11) are fixedly connected to the transmission shaft (14), the two support frames (8) are rotatably connected to a rotating shaft (9), each of the rotating shafts (9) is fixedly connected to a first support roller (10), and the second support rollers (11) and the first support rollers (10) are transmission-connected via a conveyor belt (12).

3. The lifting palletizing device based on an AGV logistics trolley according to claim 2, wherein, The auxiliary pushing assembly comprises a second screw rod (17), the upper portion of the second screw rod (17) is rotatably connected to a first fixing frame (16), and the two ends of the first fixing frame (16) are respectively fixedly connected to two supporting frames (8), and the second screw rod (17) and the transmission shaft (14) are both fixedly connected to a conical groove (15), and the two conical grooves (15) are meshed with each other.

4. A lifting palletizing device based on an AGV logistics trolley according to claim 3, characterized in that, A movable plate (18) is threadedly connected to the second screw rod (17), and two connecting rods (19) are fixedly connected to the movable plate (18), and the two connecting rods (19) are fixedly connected to a support plate (20), and the two support plates (20) are respectively located above the support frame (8) and below the support frame (8), and a fourth guide rod (40) is slidably connected to the movable plate (18), and the fourth guide rod (40) is fixedly connected to the first fixed frame (16).

5. A lifting palletizing device based on an AGV logistics trolley according to claim 1, characterized in that The longitudinal moving component comprises a moving groove (2) opened on the AGV transport vehicle (1) and a first motor (3) fixedly connected to the AGV transport vehicle (1); the output shaft of the first motor (3) is equipped with a first screw rod (4); the first screw rod (4) is threadedly connected to a lifting plate (6); one end of the lifting plate (6) is fixedly connected to a control box (7).

6. The lifting palletizing device based on an AGV logistics trolley according to claim 5, characterized in that, Two first guide rods (5) are slidably connected to the lifting plate (6), and both ends of the two first guide rods (5) are fixedly connected to the moving groove (2). An auxiliary wheel (21) is installed on the bottom surface of the control box (7).

7. A lifting palletizing device based on an AGV logistics cart according to claim 1, characterized in that, A rotating groove (37) is formed in the guide box (32), and equally spaced guide rollers (38) are rotatably connected in the rotating groove (37). A positioner (39) is also installed on the guide box (32).

8. A lifting palletizing device based on an AGV logistics trolley according to claim 1, characterized in that, The control assembly includes a transmission rod (27) disposed in the control box (7). Two second fixing frames (26) are rotatably connected to the transmission rod (27), and the second fixing frames (26) are fixedly connected to the control box (7). Two linkage shafts (24) are slidably connected to the transmission rod (27), and one side surface of each of the two linkage shafts (24) away from each other is rotatably connected to the control box (22). A bidirectional telescopic cylinder (29) is fixedly connected in the control box (7). Both telescopic ends of the bidirectional telescopic cylinder (29) are fixedly connected to a linkage seat (30), and the linkage shaft (24) is rotatably connected to the linkage seat (30). A second guide rod (23) is fixedly connected to the control box (22). One end of the second guide rod (23) penetrates through the control box (7) and is fixedly connected to a limiting block (31), and the second guide rod (23) is slidably connected to the control box (7).

9. The lifting palletizing device based on an AGV logistics trolley according to claim 8, wherein, The control assembly further includes a third motor (25) fixedly connected in the control box (7), and an output rotating shaft of the third motor (25) is in transmission connection with the transmission rod (27). Key blocks (28) are fixedly connected to both ends of the transmission rod (27), and the linkage shaft (24) has a card slot matching the key block (28).

10. The lifting palletizing device based on an AGV logistics cart according to claim 8, characterized in that, A cavity is formed in the control box (22). A transmission gear (36) is fixedly connected to the linkage shaft (24), and the transmission gear (36) is located in the cavity. Two racks (33) are slidably connected to the control box (22), and both racks (33) are engaged with the transmission gear (36). One end of each of the two racks (33) away from the control box (22) is fixedly connected to two guide boxes (32) respectively. Two third guide rods (35) are fixedly connected in the control box (22). A guide groove (34) is formed in the rack (33), and the rack (33) is slidably connected to the third guide rod (35) through the guide groove (34).

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