Conveying device for logistics loading and unloading

Abstract

The invention discloses a conveying device for logistics loading and unloading, relates to the field of material conveying, and solves the problem that an existing conveying device is prone to causing material popping damage. The conveying device comprises a vehicle body and a conveying belt, one side of the vehicle body is of an opening structure, a bearing plate is arranged on the inner side of the vehicle body, and a collecting box is arranged at the top of the bearing plate; an unloading guide plate is mounted at an opening of the vehicle body, a plurality of mounting cylinders are mounted at the top of the vehicle body, and first springs are mounted between the mounting cylinders and the bearing plate; the material receiving mechanism is used for enabling the vehicle body to stably receive materials and rapidly discharge the materials, and the material receiving mechanism is installed on the inner wall of the bottom of the vehicle body; materials conveyed by the conveying belt can be received through the material receiving mechanism and the collecting box, the pressure of the collecting box on the bearing plate is gradually increased, when the bearing plate provides pressure for the first spring, resistance is provided for contraction of the first spring, the situation that the first spring rebounds is prevented, and the materials can stably enter the collecting box; therefore, the effect of safe transfer is achieved.

Description

Technical Field

[0001] The invention relates to the field of material transportation, and in particular to a transportation device used for logistics loading and unloading. Background Art

[0002] Logistics loading and unloading refers to the loading, unloading, handling, stacking and other operations of goods during the logistics process to ensure the transfer of goods between different means of transportation or storage locations. It is an important link in the logistics chain and directly affects logistics efficiency and costs.

[0003] When loading and unloading materials, the materials need to be input into the collection box through the conveying equipment, and then the collection box is taken out by the conveying equipment of the forklift to realize the loading and unloading of the materials. The existing conveying device will set multiple springs at the bottom of the collection box, and use the weight of the material to compress the springs. After the weight of the collection box reaches a certain limit, the unloading plate on the outside of the collection box can be opened, and the staff can take out the collection box by forklift. However, the spring has resilience. After the material enters the collection box, the spring will produce a certain resilience on the collection box. If there is a lot of material in the collection box, the material on the top will pop out from the top of the collection box, which is easy to cause damage to the material. Summary of the invention

[0004] The object of the present invention is to provide a conveying device for logistics loading and unloading to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A conveying device for logistics loading and unloading, comprising: a vehicle body and a conveyor belt arranged above the vehicle body, the side of the vehicle body away from the conveyor belt is an open structure, a load-bearing plate is arranged on the inner side of the vehicle body, a collecting box is arranged on the top of the load-bearing plate, a discharge guide plate is installed at the opening of the vehicle body, a plurality of mounting cylinders distributed at equal distances are fixedly installed on the top of the vehicle body, a first spring is fixedly installed between the mounting cylinder and the bottom of the load-bearing plate; it also includes: a material receiving mechanism, used to enable the vehicle body to stably receive materials and quickly discharge materials, the material receiving mechanism is installed on the bottom inner wall of the vehicle body; a discharge mechanism, used to quickly unfold the discharge guide plate, the discharge mechanism is installed between the discharge guide plate and the inner side of the vehicle body; an angle adjustment mechanism, used to adjust the discharge guide plate, the angle adjustment mechanism is installed on the outer side of the discharge guide plate.

[0006] Preferably, the material receiving mechanism includes a pressure rod arranged on the inner side of the first spring, the top end of the pressure rod is fixedly mounted on the bottom of the load-bearing plate, the bottom end of the pressure rod slides through the top of the mounting tube, and a magnet block is fixedly mounted on the bottom end of the pressure rod, the magnet block is located on the inner side of the mounting tube, a copper tube is fixedly mounted on the inner side of the mounting tube, the magnet block is slidably mounted on the inner side of the copper tube, a first stopper is fixedly mounted on the bottom inner wall of the vehicle body, an opening for limiting sliding of the first stopper is opened on the outer side of the load-bearing plate, a connecting plate is mounted on the outer side of the unloading guide plate, and the connecting plate is mounted on the vehicle body At the opening, an L-shaped card plate is rotatably installed on the inner side of the first stop block, and a slot matching the L-shaped card plate is provided on the side of the connecting plate close to the first stop block, and the end of the L-shaped card plate and the outer side of the slot are both inclined structures, and a sliding cavity for limiting the sliding of the L-shaped card plate is provided on the inner side of the first stop block, and pull rods are fixedly installed on both sides of the L-shaped card plate, and a pull frame is slidably installed on the outer side of the pull rod, and a pressure block is fixedly installed on the bottom of the pull frame, one end of the pressure block extends to directly below the load-bearing plate, and two symmetrically distributed second springs are fixedly installed between the bottom of the pressure block and the inner side of the sliding cavity.

[0007] Preferably, the unloading mechanism includes two mounting rings symmetrically fixedly installed on both sides of the connecting plate, a fixing ring is provided on the outer side of the mounting ring, the fixing ring is fixedly installed on the inner side of the vehicle body, a sleeve block is fixedly installed on the outer side of the mounting ring, the outer side of the sleeve block contacts the inner side of the fixing ring, a limit strip is fixedly installed on the inner side of the fixing ring, the limit strip is an arc-shaped structure, and the outer side of the limit strip contacts the outer side of the mounting ring, an arc-shaped sliding rod is fixedly installed between the two ends of the limit strip, the sleeve block is slidably installed on the outer side of the arc-shaped sliding rod, an arc spring is fixedly installed between the sleeve block and the limit strip, and a second stop block is fixedly installed on the outer side of the vehicle body, and the second stop block is located below the connecting plate.

[0008] Preferably, the angle adjustment mechanism includes a driven rod rotatably mounted on the inner side of the body, both ends of the driven rod are fixedly mounted with a first gear, the inner side of the body is provided with a mounting cavity for the installation of the first gear, the end of the mounting ring away from the connecting plate is fixedly mounted with a second gear, the inner side of the mounting cavity is provided with a first rack and a second rack, the first rack cooperates with the first gear, the second rack cooperates with the second gear, the length of the first rack is smaller than the length of the second rack, a slide plate is fixedly mounted between the first rack and the second rack, the slide plate is slidably mounted on the inner side of the mounting cavity, and two symmetrically distributed positioning rods are fixedly mounted on one end of the unloading guide plate close to the connecting plate, and a groove for the installation of the unloading guide plate is opened at one end of the connecting plate close to the unloading guide plate, the positioning rod is rotatably mounted on the inner side of the connecting plate, and a synchronous belt is rotatably mounted between the positioning rod and the driven rod.

[0009] Preferably, four moving wheels distributed in a rectangular array are fixedly installed on the bottom of the collecting box, two slide rails matching the moving wheels are fixedly installed on the top of the collecting box, and a handle is fixedly installed on one side of the collecting box close to the discharge guide plate.

[0010] Preferably, two symmetrically distributed lifting plates are fixedly mounted on the outer side of the collecting box, and two symmetrically distributed slots are provided on the inner side of the vehicle body, and the lifting plates and the slots are on the same horizontal line.

[0011] Preferably, two symmetrically distributed first guide rods are fixedly mounted on the bottom of the pressing block, the first guide rods are located on the inner side of the second spring, and a through hole for limiting insertion of the first guide rods is provided on the inner side of the first stopper.

[0012] Preferably, a cavity is provided inside the connecting plate for the driven rod to pass through, and the inner diameter of the cavity is greater than the outer diameter of the driven rod.

[0013] Preferably, a plurality of second guide rods distributed at equal intervals are fixedly installed in the installation cavity of the vehicle body, and the second guide rods slide through the slide plate.

[0014] Preferably, a protrusion is fixedly mounted on the outer side of the positioning rod, and limiting blocks are fixedly mounted on both sides of the connecting plate, and the limiting blocks are located on the outer side of the positioning rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses a material receiving mechanism, and the collecting box can receive the material transmitted by the conveyor belt, so that the collecting box gradually increases the pressure on the load-bearing plate, and when the load-bearing plate provides pressure on the first spring, it provides resistance to the contraction of the first spring to prevent the first spring from rebounding, so that the material can smoothly enter the collecting box, and solves the problem that the traditional conveying device is prone to causing the material to be ejected. When the load-bearing plate contacts the pressure block, the unloading guide plate is opened to facilitate the staff to take the material, thereby achieving the effect of safe transportation.

[0016] The present invention uses a unloading mechanism, and when the L-shaped clamping plate loosens the connecting plate, the resilience of the arc spring can be used to rotate the connecting plate toward the outside of the vehicle body, and the unloading guide plate can open the opening of the vehicle body, making it convenient for the staff to take out the collection box, thereby achieving the effect of rapid unloading.

[0017] The present invention uses an angle adjustment mechanism, which can make the unloading guide plate swing toward the outside of the vehicle body with the positioning rod as a fulcrum when the connecting plate rotates, and when the connecting plate contacts the second stop block, the unloading guide plate can contact the ground, so that the unloading guide plate is in an inclined state, which is convenient for the collection box to move along the inclined unloading guide plate, thereby improving the convenience of unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the collection box and the load-bearing plate in the present invention; Figure 3 It is a schematic diagram of the structure of the magnet block and the copper tube in the present invention; Figure 4 It is a schematic diagram of the L-shaped card plate and the pressing block structure in the present invention; Figure 5 It is a schematic diagram of the structure of the unloading guide plate and the second stopper in the present invention; Figure 6 for Figure 5 Schematic diagram of the enlarged structure of the middle A area; Figure 7 It is a schematic diagram of the structure of the fixing ring and the mounting ring in the present invention; Figure 8 It is a schematic diagram of the structure of the positioning rod and the driven rod in the present invention.

[0019] In the figure: 1, vehicle body; 2, conveyor belt; 3, load-bearing plate; 4, collecting box; 5, unloading guide plate; 6, mounting cylinder; 7, first spring; 8, pressure rod; 9, magnet block; 10, copper tube; 11, first stopper; 12, connecting plate; 13, L-shaped card plate; 14, pull rod; 15, pull frame; 16, pressure block; 17, second spring; 18, mounting ring; 19, fixing ring; 20, sleeve block; 21, limit strip; 22. Arc slide bar; 23. Arc spring; 24. Second stopper; 25. Follower rod; 26. First gear; 27. Second gear; 28. First rack; 29. ​​Second rack; 30. Slide plate; 31. Positioning rod; 32. Synchronous belt; 33. Moving wheel; 34. Slide rail; 35. Handle; 36. Lifting plate; 37. First guide rod; 38. Second guide rod; 39. Bump; 40. Limit block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figure 1-Figure 8The figure shows a conveying device for logistics loading and unloading, including a vehicle body 1 and a conveyor belt 2 arranged above the vehicle body 1. The side of the vehicle body 1 away from the conveyor belt 2 is an open structure. A load-bearing plate 3 is arranged on the inner side of the vehicle body 1. A collecting box 4 is arranged on the top of the load-bearing plate 3. The conveyor belt 2 inputs materials into the collecting box 4 to realize the transportation of materials. A discharge guide plate 5 is installed at the opening of the vehicle body 1 to provide a shield for the opening of the vehicle body 1 so that the collecting box 4 can be stably installed on the load-bearing plate 3. A plurality of mounting cylinders 6 distributed at equal distances are fixedly installed on the top of the vehicle body 1. A first spring 7 is fixedly installed between the mounting cylinder 6 and the bottom of the load-bearing plate 3. The elasticity of the first spring 7 is used to provide a buffer for the weight of the materials received by the load-bearing plate 3. Four movable Wheel 33, two slide rails 34 matched with the moving wheels 33 are fixedly installed on the top of the collection box 4, which is convenient for the staff to push the moving wheels 33 at the bottom of the collection box 4 to move along the inner side of the slide rails 34, so that the collection box 4 is located in the middle position of the vehicle body 1, which is convenient for the conveyor belt 2 to accurately put the materials into the collection box 4, and a handle 35 is fixedly installed on the side of the collection box 4 close to the unloading guide plate 5, which is convenient for pushing the collection box 4, and two symmetrically distributed lifting plates 36 are fixedly installed on the outside of the collection box 4. Two symmetrically distributed slots are opened on the inner side of the vehicle body 1, and the lifting plates 36 and the slots are on the same horizontal line, so that the staff can carry the collection box 4 by forklift; it also includes: a material receiving mechanism, which is used to make the vehicle body 1 stably receive materials and quickly unload materials, and the material receiving mechanism is installed on the bottom inner wall of the vehicle body 1; The material receiving mechanism includes a pressure rod 8 arranged on the inner side of the first spring 7, and the top end of the pressure rod 8 is fixedly installed on the bottom of the load-bearing plate 3, so that when the load-bearing plate 3 is subjected to the weight of the material in the collecting box 4, it can drive the pressure rod 8 at the bottom of the load-bearing plate 3 to move, and the bottom end of the pressure rod 8 slides through the top of the mounting tube 6, and a magnet block 9 is fixedly installed on the bottom end of the pressure rod 8, and the magnet block 9 is located on the inner side of the mounting tube 6, and a copper tube 10 is fixedly installed on the inner side of the mounting tube 6. The magnet block 9 is slidably installed on the inner side of the copper tube 10, so that the pressure rod 8 can drive the magnet block 9 to move along the inner side of the copper tube 10, and utilize the electromagnetic damping effect of the magnet block 9 and the copper tube 10 to provide the first spring. The contraction of 7 provides deceleration and resistance, reduces the rebound speed of the first spring 7, and solves the problem of material ejection. A first stopper 11 is fixedly installed on the bottom inner wall of the vehicle body 1. An opening for the first stopper 11 to limit and slide is opened on the outer side of the load-bearing plate 3. A connecting plate 12 is installed on the outer side of the unloading guide plate 5. The outer side of the connecting plate 12 contacts the outer side of the first stopper 11 to provide a limit for the connecting plate 12, so that the unloading guide plate 5 is vertically arranged at the opening of the vehicle body 1 to provide a shield for the collection box 4. The connecting plate 12 is installed at the opening of the vehicle body 1. An L-shaped card plate 13 is rotatably installed on the inner side of the first stopper 11. The connecting plate 12 is close to the first stopper 11. A card slot that matches the L-shaped card plate 13 is opened on one side, and the end of the L-shaped card plate 13 and the outer side of the card slot are both inclined structures, so that when the connecting plate 12 and the L-shaped card plate 13 are connected, the L-shaped card plate 13 can be inserted into the card slot of the connecting plate 12 to fix the connecting plate 12, and a sliding cavity for limiting the sliding of the L-shaped card plate 13 is opened on the inner side of the first stopper 11. Pull rods 14 are fixedly installed on both sides of the L-shaped card plate 13, and a pull frame 15 is slidably installed on the outer side of the pull rod 14. When the pull frame 15 moves downward, the L-shaped card plate 13 can be pulled downward by the pull rod 14 to swing the L-shaped card plate 13 so that the L-shaped card plate 13 releases the connecting plate 12, and the bottom of the pull frame 15 is fixedly installed A pressure block 16 is installed, and one end of the pressure block 16 extends to the bottom of the load-bearing plate 3, so that when the load-bearing plate 3 moves downward, it can contact the pressure block 16. By pressing the pressure block 16, the pull frame 15 is driven to move, so as to realize the swing of the L-shaped card plate 13. Two symmetrically distributed second springs 17 are fixedly installed between the bottom of the pressure block 16 and the inner side of the sliding cavity, so as to facilitate the resetting of the pressure block 16. Two symmetrically distributed first guide rods 37 are fixedly installed at the bottom of the pressure block 16. The first guide rod 37 is located on the inner side of the second spring 17. A through hole is provided on the inner side of the first stopper 11 for limiting and inserting the first guide rod 37, so as to improve the stability of the movement of the pressure block 16.

[0022] Example 2: Please refer to Figure 4-Figure 7, this embodiment further explains the first embodiment, the unloading mechanism shown in the figure includes two mounting rings 18 symmetrically fixedly installed on both sides of the connecting plate 12, the outer side of the mounting ring 18 is provided with a fixing ring 19, the fixing ring 19 is fixedly installed on the inner side of the vehicle body 1, the outer side of the mounting ring 18 is fixedly installed with a sleeve block 20, the outer side of the sleeve block 20 is in contact with the inner side of the fixing ring 19, the inner side of the fixing ring 19 is fixedly installed with a limit strip 21, the limit strip 21 is in an arc-shaped structure, and the outer side of the limit strip 21 is in contact with the outer side of the mounting ring 18, so that the mounting ring 18 can rotate along the inner side of the limit strip 21 to realize the swing of the connecting plate 12, and a fixedly installed between the two ends of the limit strip 21 The arc-shaped slide bar 22 and the sleeve block 20 are slidably installed on the outer side of the arc-shaped slide bar 22, so that the mounting ring 18 can drive the sleeve block 20 to move along the outer side of the arc-shaped slide bar 22, and an arc spring 23 is fixedly installed between the sleeve block 20 and the limit strip 21. When the L-shaped clamping plate 13 unlocks the connecting plate 12, the rebound force of the arc spring 23 can be used to push the sleeve block 20 to move along the outer side of the arc-shaped slide bar 22, so that the sleeve block 20 drives the connecting plate 12 to rotate quickly through the mounting ring 18, and the unloading guide plate 5 on the connecting plate 12 can be swung downward to open the car body 1, which is convenient for the staff to take out the collection box 4. A second stop block 24 is fixedly installed on the outer side of the car body 1, and the second stop block 24 is located below the connecting plate 12.

[0023] Example 3: Please refer to Figure 2-Figure 8, this embodiment further explains other embodiments. The angle adjustment mechanism shown in the figure includes a driven rod 25 rotatably mounted on the inner side of the vehicle body 1. A cavity is provided inside the connecting plate 12 for the driven rod 25 to pass through. The inner diameter of the cavity is larger than the outer diameter of the driven rod 25, so that when the connecting plate 12 rotates, the inner cavity will not contact the outer side of the driven rod 25. Both ends of the driven rod 25 are fixedly mounted with a first gear 26. The inner side of the vehicle body 1 is provided with a mounting cavity for mounting the first gear 26. A second gear 27 is fixedly mounted on one end of the mounting ring 18 away from the connecting plate 12. When the mounting ring 18 rotates, it can drive the second gear 27 to rotate. The mounting cavity A first rack 28 and a second rack 29 are provided on the inner side. The first rack 28 cooperates with the first gear 26, and the second rack 29 cooperates with the second gear 27, so that when the second gear 27 rotates, the second rack 29 can be driven to move. The length of the first rack 28 is smaller than the length of the second rack 29, so that the rotation angle of the first gear 26 is smaller than the rotation angle of the second gear 27. A slide plate 30 is fixedly installed between the first rack 28 and the second rack 29. The slide plate 30 is slidably installed on the inner side of the installation cavity, so that when the second rack 29 moves, the first rack 28 can be driven to move through the slide plate 30, so that the first rack 28 drives the driven gear through the first gear 26. The rod 25 rotates, and a plurality of second guide rods 38 equidistantly distributed are fixedly installed in the installation cavity of the vehicle body 1. The second guide rods 38 slide through the slide plate 30 to provide guidance for the movement of the slide plate 30, thereby improving the stability of the movement of the slide plate 30. Two symmetrically distributed positioning rods 31 are fixedly installed at one end of the unloading guide plate 5 close to the connecting plate 12. A groove for installing the unloading guide plate 5 is provided at one end of the connecting plate 12 close to the unloading guide plate 5. The positioning rod 31 is rotatably installed on the inner side of the connecting plate 12. A synchronous belt 32 is rotatably installed between the positioning rod 31 and the driven rod 25, so that when the driven rod 25 rotates, the positioning rod 31 can be driven to rotate through the synchronous belt 32. The positioning rod 31 can drive the unloading guide plate 5 to rotate, so that the unloading guide plate 5 is in an inclined state and in contact with the ground, which is convenient for the collection box 4 to move and take out along the inclined surface of the unloading guide plate 5, and when the connecting plate 12 contacts the first stopper 11, the unloading guide plate 5 can be in a vertical state, which is convenient for covering the opening of the vehicle body 1. A protrusion 39 is fixedly installed on the outer side of the positioning rod 31, and limit blocks 40 are fixedly installed on both sides of the connecting plate 12. The limit block 40 is located on the outer side of the positioning rod 31, so that when the connecting plate 12 swings upward, the protrusion 39 can be pushed to move through the limit block 40, so that the protrusion 39 pulls the unloading guide plate 5 to swing synchronously through the positioning rod 31.

[0024] Working principle: First, the staff pushes the vehicle body 1 to the bottom of the end of the conveyor belt 2, and the conveyor belt 2 inputs the materials into the collection box 4 of the vehicle body 1 in an orderly manner. As the materials in the collection box 4 increase, the collection box 4 presses the load-bearing plate 3 downward through the four moving wheels 33, and the load-bearing plate 3 compresses the first spring 7 and drives the pressure rod 8 to move synchronously. The pressure rod 8 drives the magnet block 9 to move along the inner side of the copper tube 10, and uses the electromagnetic damping effect of the magnet block 9 and the copper tube 10 to provide deceleration and resistance for the contraction of the first spring 7, reduce the rebound speed of the first spring 7, and solve the problem of the above-mentioned problems. The problem of material ejection is solved, and the material can enter the collection box 4 smoothly. When the bottom of the load-bearing plate 3 contacts the pressure block 16, the load-bearing plate 3 presses the pressure block 16 to move downward, and the pressure block 16 pulls the pull rod 14 to move downward through the pull frame 15, and the pull rod 14 drives the L-shaped card plate 13 to swing downward, so that the L-shaped card plate 13 is separated from the inner side of the card slot of the connecting plate 12. At this time, the rebound force of the arc spring 23 is used to make the arc spring 23 push the sleeve block 20 to move along the outer side of the arc slide rod 22, and the sleeve block 20 drives the installation ring 18 to rotate along the inner side of the limit strip 21, so that the installation The ring 18 drives the connecting plate 12 to rotate quickly, and the groove inside the connecting plate 12 pushes the unloading guide plate 5 to swing downward. At the same time, the mounting ring 18 drives the second gear 27 to rotate, so that the second gear 27 drives the second rack 29 to move upward, and the second rack 29 drives the slide plate 30 to move upward along the outer side of the second guide rod 38, so that the slide plate 30 drives the first rack 28 to move synchronously. When the first rack 28 contacts the first gear 26, the first rack 28 can drive the first gear 26 to rotate, so that the first gear 26 drives the driven rod 25 to rotate, and the driven rod 25 can be moved by The synchronous belt 32 drives the positioning rod 31 to rotate, so that the positioning rod 31 drives the discharge guide plate 5 to swing downward, and when the connecting plate 12 contacts the top of the second stopper 24, the connecting plate 12 is in a horizontal state, and the discharge guide plate 5 is in an inclined state and contacts the ground. Finally, the staff pulls the moving wheel 33 on the collection box 4 through the handle 35 to move it along the slide rail 34 on the load-bearing plate 3 to the connecting plate 12, and then moves it out along the inclined discharge guide plate 5 to complete the transfer of materials, thereby achieving the effect of smooth transfer and improving the convenience of material transfer.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveying device for logistics loading and unloading, characterized in that: include: A vehicle body (1) and a conveyor belt (2), one side of the vehicle body (1) is an open structure, a load-bearing plate (3) is arranged on the inner side of the vehicle body (1), a collecting box (4) is arranged on the top of the load-bearing plate (3), a discharge guide plate (5) is installed at the opening of the vehicle body (1), a plurality of mounting cylinders (6) are installed on the top of the vehicle body (1), and a first spring (7) is installed between the mounting cylinder (6) and the load-bearing plate (3); Also includes: A material receiving mechanism, used to enable the vehicle body (1) to smoothly receive materials and quickly unload materials, the material receiving mechanism being mounted on the bottom inner wall of the vehicle body (1); A discharge mechanism, used for quickly unfolding the discharge guide plate (5), the discharge mechanism being installed between the discharge guide plate (5) and the inner side of the vehicle body (1); An angle adjustment mechanism is used for adjusting the discharge guide plate (5), and the angle adjustment mechanism is installed on the outside of the discharge guide plate (5).

2. A conveying device for logistics loading and unloading according to claim 1, characterized in that: The material receiving mechanism comprises a pressure rod (8) arranged on the inner side of the first spring (7), the top end of the pressure rod (8) is mounted on the bottom of the load-bearing plate (3), a magnet block (9) is mounted on the bottom end of the pressure rod (8), a copper tube (10) is mounted on the inner side of the mounting tube (6), the magnet block (9) is slidably mounted on the inner side of the copper tube (10), a first stopper (11) is mounted on the inner wall of the bottom of the vehicle body (1), and a connecting rod (11) is mounted on the outer side of the unloading guide plate (5). A connecting plate (12), an L-shaped card plate (13) is rotatably mounted on the inner side of the first stopper (11), a card slot matching the L-shaped card plate (13) is provided on one side of the connecting plate (12), pull rods (14) are mounted on both sides of the L-shaped card plate (13), a pull frame (15) is slidably mounted on the outer side of the pull rod (14), a pressure block (16) is mounted on the bottom of the pressure block (16), and two second springs (17) are mounted on the bottom of the pressure block (16).

3. A conveying device for logistics loading and unloading according to claim 2, characterized in that: The unloading mechanism comprises two mounting rings (18) mounted on both sides of the connecting plate (12); a fixing ring (19) is arranged on the outer side of the mounting ring (18); the fixing ring (19) is mounted on the inner side of the vehicle body (1); a sleeve block (20) is mounted on the outer side of the mounting ring (18); a limit strip (21) is mounted on the inner side of the fixing ring (19); an arc-shaped sliding rod (22) is mounted between the two ends of the limit strip (21); the sleeve block (20) is slidably mounted on the outer side of the arc-shaped sliding rod (22); an arc-shaped spring (23) is mounted between the sleeve block (20) and the limit strip (21); and a second stopper (24) is mounted on the outer side of the vehicle body (1).

4. A conveying device for logistics loading and unloading according to claim 3, characterized in that: The angle adjustment mechanism comprises a driven rod (25) rotatably mounted on the inner side of the vehicle body (1), a first gear (26) being mounted on both ends of the driven rod (25), a mounting cavity for mounting the first gear (26) being provided on the inner side of the vehicle body (1), a second gear (27) being mounted on one end of the mounting ring (18), a first rack (28) and a second rack (29) being arranged on the inner side of the mounting cavity, the first rack (28) being matched with the first gear (26), the second rack (29) being matched with the second gear (27), the length of the first rack (28) being smaller than the length of the second rack (29), a slide plate (30) being mounted between the first rack (28) and the second rack (29), two positioning rods (31) being mounted on one end of the unloading guide plate (5), the positioning rods (31) being rotatably mounted on the inner side of the connecting plate (12), and a synchronous belt (32) being rotatably mounted between the positioning rod (31) and the driven rod (25).

5. A conveying device for logistics loading and unloading according to claim 1, characterized in that: Four moving wheels (33) are installed at the bottom of the collection box (4), two slide rails (34) matching the moving wheels (33) are installed at the top of the collection box (4), and a handle (35) is installed on one side of the collection box (4).

6. A conveying device for logistics loading and unloading according to claim 1, characterized in that: Two lifting plates (36) are installed on the outer side of the collection box (4), and two slots are provided on the inner side of the vehicle body (1).

7. A conveying device for logistics loading and unloading according to claim 2, characterized in that: Two first guide rods (37) are installed at the bottom of the pressing block (16), and a through hole for the first guide rods (37) to be inserted in a limited position is provided on the inner side of the first stopper (11).

8. A conveying device for logistics loading and unloading according to claim 4, characterized in that: A cavity is provided inside the connecting plate (12) for the driven rod (25) to pass through, and the inner diameter of the cavity is greater than the outer diameter of the driven rod (25).

9. A conveying device for logistics loading and unloading according to claim 4, characterized in that: A plurality of second guide rods (38) are installed in the installation cavity of the vehicle body (1), and the second guide rods (38) slide through the slide plate (30).

10. A conveying device for logistics loading and unloading according to claim 4, characterized in that: A protrusion (39) is installed on the outer side of the positioning rod (31), and limiting blocks (40) are installed on both sides of the connecting plate (12), and the limiting blocks (40) are located on the outer side of the positioning rod (31).

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