Logistics warehouse agv conveying device and use method

Abstract

This invention discloses a logistics warehousing AGV conveying device and its usage method, comprising: an automated guided vehicle (AGV) with a liftable platform, a main conveyor fixedly installed on the platform, the main conveyor including multiple main rollers, and auxiliary conveyors rotatably connected to both ends of the main conveyor, the auxiliary conveyors including multiple auxiliary rollers synchronously linked with the main rollers; a transmission assembly slidably disposed at the end of each auxiliary conveyor away from the main conveyor, the transmission assembly including two transmission rollers coaxially abutting against the auxiliary rollers; a frame fixed to the body of the AGV below the auxiliary conveyors; and clamping assemblies symmetrically arranged on the main conveyor, the clamping assemblies including clamping plates movable along the axial direction of the main rollers, effectively solving the problems of high energy consumption and easy falling of goods in existing roller conveyor AGV conveying devices.

Description

Technical Field

[0001] This invention relates to the field of conveying device technology, and in particular to a logistics warehousing AGV conveying device and its usage method. Background Technology

[0002] With the rapid development of smart logistics and intelligent manufacturing, AGVs (Automated Guided Vehicles), as intelligent material handling equipment, have been widely used in the flow of materials between production lines and warehousing systems. Among them, roller conveyor AGVs are particularly favored because they can directly connect to upstream and downstream production line roller conveyors to realize the automatic transfer of material boxes. This type of equipment typically uses a vehicle-mounted roller conveyor to transport materials loaded on an external feed conveyor to a designated discharge port and complete the automatic transfer.

[0003] However, existing roller conveyor AGV conveyors still have significant drawbacks in practical applications: First, existing AGVs typically require an additional drive motor to rotate the top rollers in order to transfer materials. This independent drive mode not only increases the complexity of the AGV's electrical system but also leads to rapid battery depletion, reducing the operating range per charge and increasing energy costs.

[0004] Secondly, during the movement of goods carried by AGVs, the existing top roller conveyor lacks effective restraint and fixation of the goods. When the AGV encounters an obstacle and applies emergency braking, or makes a sharp turn to avoid an obstacle, the goods are very likely to shift, slip, or even fall due to inertia, which seriously affects the continuity and safety of the production line.

[0005] To address this, we designed a logistics warehousing AGV conveying device and its usage method. Summary of the Invention

[0006] The purpose of this invention is to solve the problems of high energy consumption and insufficient transportation safety in the prior art, and to propose a logistics warehousing AGV conveying device and its usage method.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A logistics warehousing AGV conveying device, comprising: Automated guided vehicles, including a vertically lifting platform; The main conveyor is fixedly installed on the lifting platform and consists of multiple main rollers arranged in parallel. The auxiliary conveyor is provided in two sets, which are respectively rotated at both ends of the main conveyor along the length direction via rotating shafts. The auxiliary conveyor includes multiple auxiliary rollers, and the main rollers and auxiliary rollers are linked by a synchronous belt. The transmission assembly is slidably disposed at the end of the auxiliary conveyor away from the main conveyor, and includes two transmission rollers that abut against the auxiliary rollers coaxially. The support frame is fixed to the body of the automated guided vehicle and located below the auxiliary conveyor; The clamping assembly is symmetrically arranged on both sides of the main conveyor in the width direction, and includes a clamping plate that can move along the axial direction of the main roller. When the lifting platform descends, the auxiliary conveyor is lifted by the uprights and flips inwards, making it perpendicular to the main conveyor. The auxiliary conveyor is also squeezed and driven by the clamps on both sides to move relative to each other to hold the goods. When the lifting platform rises, the auxiliary conveyor disengages from the uprights and flips outwards to reset, returning to the same plane as the main conveyor to receive the goods.

[0008] Preferably, the main conveyor includes a main frame, the auxiliary conveyor includes a secondary frame, the secondary frame is rotatably connected to one end of the main frame along its length via a rotating shaft, and the rotating shaft is coaxially arranged with the outermost main roller; The auxiliary frame is fixed with guide rails extending in the conveying direction on both sides. The transmission assembly includes a slide, which is slidably connected to the guide rails. The transmission roller is rotatably connected to the slide. The slide has movable holes extending in two directions along the guide rail. The auxiliary roller shaft on the side away from the main conveyor is slidably placed in the movable hole, and the shaft has multiple annularly distributed slots. A locking block that matches the slot is fixed on the side of the movable hole away from the drive roller. The inner side of the upright frame is fixed with a protrusion. When the auxiliary frame is flipped inward to a vertical position, the protrusion lifts the slide, causing the locking block to engage in the locking groove, locking the main roller and the auxiliary roller to stop rotating.

[0009] Preferably, both ends of the main frame are symmetrically fixed with guide rails extending along the conveying direction of the main conveyor. A slider is slidably mounted on the guide rail, and a movable side plate is fixed on the slider. One end of the movable side plate extends outward and is close to the slide frame, and the other end is rotatably connected to a support arm via a rotating shaft. The end of the support arm away from the movable side plate is rotatably connected to a clamping plate.

[0010] Preferably, a second clamping plate is provided on the inner side of the first clamping plate; At least two long screws are fixed on the outer side of the clamping plate 2. The long screws are arranged parallel to the axis of the main roller and slide through the pre-set through hole of the clamping plate 1. The outer end of the long screw is screwed with a nut for limiting position. Multiple springs are pre-pressed between the first clamping plate and the second clamping plate. The springs are sleeved on the outer periphery of the long screw and, under normal conditions, push the second clamping plate away from the first clamping plate.

[0011] Preferably, the upper surface of the automated guided vehicle has multiple columns vertically fixed, the columns are slidably inserted into the through holes of the lifting platform, the top of the columns is fixed with a support plate, and the upper surface of the support plate is fixed with multiple side-by-side trays, the trays being placed in the gap between two main rollers.

[0012] Preferably, the main frame is fixed with a vertical stop and a horizontal stop for limiting the position of the sub-frame at one end; When the sub-frame flips inward to a vertical position, the vertical stop block abuts against the sub-frame, preventing the sub-frame from continuing to flip inward. When the sub-frame flips outward to return to the horizontal conveying state, the horizontal block supports the bottom of the sub-frame, restricting its downward rotation and providing rigid support to ensure that the sub-conveyor and the main conveyor remain coplanar.

[0013] Preferably, a spring is fixed to the side of the vertical stop block near the auxiliary conveyor, and the horizontal stop block is L-shaped.

[0014] Preferably, two synchronous pulleys are coaxially fixed at the same end of both the main roller and the auxiliary roller, and adjacent synchronous pulleys are connected by a synchronous belt drive.

[0015] Preferably, the outer cylindrical surfaces of the main roller, auxiliary roller, and drive roller are all covered with a rubber layer.

[0016] A method of using a logistics warehousing AGV conveying device includes the following steps: S1. The lifting platform is at a high position, the auxiliary conveyor detaches from the upright and flips outward to reset, becoming coplanar with the main conveyor; S2. The automated guided vehicle moves to the docking position of the external conveyor, so that the drive roller abuts between the external conveyor roller and the auxiliary roller, and the goods are transferred to the main conveyor by external power through the synchronous belt linkage. S3. The lifting platform descends, and the auxiliary conveyor is lifted by the upright and flipped inward to a vertical position; the pallet is flush with the upper edge of the main roller, and together they support the goods. S4. The carriage is lifted by the protrusion, and the locking block is locked into the slot to stop the main roller and the auxiliary roller from rotating. At the same time, the carriage pushes the movable side plate laterally, and the support arm drives the clamping plate one and clamping plate two to clamp the two sides of the cargo box. S5. The automated guided vehicle (AGV) carries the goods to the target workstation, the lifting platform rises again, the auxiliary conveyor returns to the horizontal plane, the clamping components are released, and the AGV moves to the docking position of the external conveyor, so that the drive roller abuts between the external conveyor roller and the auxiliary roller. The goods are transferred to the external conveyor by means of external power and synchronous belt linkage.

[0017] The beneficial effects of this invention are as follows: This invention utilizes the power of an external conveyor directly through a transmission roller, driving the main and auxiliary rollers to operate synchronously via a synchronous belt. This eliminates the need for a drive motor, significantly reducing overall vehicle energy consumption and extending range. Simultaneously, by using the lifting and tilting of the auxiliary conveyor, when the lifting platform lowers to transport goods, the auxiliary conveyor automatically tilts inward to form a vertical protective baffle. This, combined with the clamping components triggered by the carriage, clamps the goods and locks them in place with the rollers. Furthermore, the pallet transforms line contact into surface support, achieving comprehensive stability of the goods during transportation. This effectively eliminates the risk of goods displacement and damage during sudden braking or obstacle avoidance, greatly improving the safety and stability of logistics transfer. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall cargo transport status structure of a logistics warehousing AGV conveying device proposed in this invention; Figure 2 This invention proposes a logistics warehousing AGV conveying device. Figure 1 Enlarged structural diagram at point A in the middle; Figure 3 This is a schematic diagram of the coplanar conveying state of the auxiliary conveyor and the main conveyor of the logistics warehousing AGV conveying device proposed in this invention; Figure 4 This invention proposes a logistics warehousing AGV conveying device. Figure 3 Enlarged structural diagram at point B; Figure 5 This is a schematic diagram of the clamping assembly and main conveyor structure of a logistics warehousing AGV conveying device proposed in this invention; Figure 6 This is a schematic diagram of the clamping component structure of a logistics warehousing AGV conveying device proposed in this invention; Figure 7 This is a schematic diagram of the auxiliary conveyor and drive roller structure of a logistics warehousing AGV conveying device proposed in this invention; Figure 8 This is a schematic diagram of the automated guided vehicle structure of an AGV conveying device for logistics warehousing proposed in this invention. In the diagram: 10. Automated Guided Vehicle; 11. Lifting Platform; 12. Lifter; 13. Column; 14. Pallet; 15. Frame; 151. Protrusion; 16. Guide Rail 1; 20. Main conveyor; 21. Main frame; 22. Main roller; 23. Vertical stop block; 231. Spring piece; 24. Horizontal stop block; 30. Secondary conveyor; 31. Secondary frame; 32. Secondary roller; 321. Slot; 33. Guide rail II; 40. Transmission assembly; 41. Carriage; 411. Movable hole; 42. Transmission roller; 43. Locking block; 44. Tension spring; 50. Clamping assembly; 51. Movable side plate; 511. Slider; 52. Support arm; 53. Clamping plate one; 54. Clamping plate two; 55. Long screw; 551. Nut; 56. Spring; 60. Synchronous belt; 61. Synchronous pulley. Detailed Implementation

[0019] Reference Figure 1 - Figure 8 A logistics warehousing AGV conveying device, comprising: The automated guided vehicle 10 includes a vertically lifting platform 11, and vertically lifting devices 12 are symmetrically fixed on the upper surface of the vehicle body of the automated guided vehicle 10. The lifting devices 12 are preferably servo electric cylinders. The lower surface of the lifting platform 11 is fixedly connected to the top of the telescopic end of the lifting device 12, and the lifting of the lifting platform 11 is realized through the lifting device 12. Reference Figure 3 , Figure 5 As shown, the main conveyor 20 is fixedly installed on the lifting platform 11, and includes multiple main rollers 22 arranged in parallel, which rotate synchronously and in the same direction. Reference Figure 1 , Figure 3 As shown, the auxiliary conveyor 30 is provided in two sets, which are respectively rotated at both ends of the main conveyor 20 along the length direction via rotating shafts. The auxiliary conveyor 30 includes multiple auxiliary rollers 32 that rotate synchronously and in the same direction. The auxiliary rollers 32 are the same as the main rollers 22. The main rollers 22 and auxiliary rollers 32 are linked by a synchronous belt 60 so that the main rollers 22 and auxiliary rollers 32 can rotate synchronously and in the same direction through the linkage of the synchronous belt 60. The transmission assembly 40 is slidably disposed at one end of the auxiliary conveyor 30 away from the main conveyor 20. It includes two transmission rollers 42 that abut against the auxiliary roller 32 coaxially. The transmission rollers 42 slide along the conveying direction of the auxiliary conveyor 30, and the two transmission rollers 42 are placed on the outside of the auxiliary roller 32. It is worth noting that the outer diameter of the drive roller 42 is smaller than the outer diameter of the auxiliary roller 32, and is arranged within the diameter range of the auxiliary roller 32 to avoid the auxiliary roller 32 protruding and interfering with the transmission of goods on the main roller 22 and the auxiliary roller 32. Furthermore, the length of the drive roller 42 is shorter than the length of the external conveyor roller to avoid interference between the drive roller 42 and the frame of the external conveyor roller. The support frame 15 is fixed to the body of the automated guided vehicle 10 and located below the auxiliary conveyor 30; The clamping assembly 50 is symmetrically arranged on both sides of the main conveyor 20 in the width direction to provide lateral protection for the goods. The clamping assembly 50 includes a clamping plate 53 that can move along the axial direction of the main roller 22. The goods are clamped and fixed on the main conveyor 20 by the clamping plate 53 to improve the stability during transportation and prevent the goods from shifting, slipping or even falling due to inertia. When the lifting platform 11 rises, the auxiliary conveyor 30 detaches from the upright 15, flips outward to reset, and returns to the coplanar position with the main conveyor 20 to receive goods (see reference). Figure 3 As shown), the automated guided vehicle 10 moves along a set trajectory and abuts the drive roller 42 against the conveying end or output end roller of the external conveyor. At this time, through the power transmission of the drive roller 42, the rotation direction of the auxiliary roller 32 and the main roller 22 is consistent with the rotation direction of the roller of the external conveyor, thereby transporting the goods on the external conveyor to the main conveyor 20, or transporting the goods on the main conveyor 20 to the external conveyor. This eliminates the need for an additional drive motor to drive the top roller to rotate, reducing the energy consumption of the entire vehicle and improving the range of the automated guided vehicle 10. Reference Figure 1 As shown, when the goods are loaded onto the main conveyor 20 and the lifting platform 11 descends, firstly, it lowers the center of gravity of the equipment, making it more stable during operation; secondly, the auxiliary conveyor 30 is lifted by the upright 15 and flipped inward, making it perpendicular to the main conveyor 20, so that the auxiliary conveyor 30 forms a vertical barrier, and works with the clamping assembly 50 to prevent the goods from falling off the main conveyor 20; and thirdly, during the transportation of goods, the auxiliary conveyor 30 can be retracted to shorten the overall length of the conveyor and improve the flexibility of the equipment in transporting goods. To improve the stability of the goods, when the auxiliary conveyor 30 is squeezed by the upright 15, the auxiliary conveyor 30 drives the two side clamps 53 to move relative to each other to clamp the goods and maintain their stability.

[0020] Reference Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the main conveyor 20 includes a main frame 21, and the main rollers 22 are rotatably connected to the main frame 21 through bearings. The auxiliary conveyor 30 includes an auxiliary frame 31, and the auxiliary rollers 32 are rotatably connected to the auxiliary frame 31 through bearings. The auxiliary frame 31 is rotatably connected to one end of the main frame 21 in the length direction through a rotating shaft, and the rotating shaft is coaxially arranged with the outermost main roller 22. The auxiliary frame 31 has guide rails 33 extending along the conveying direction fixed on both sides. The transmission assembly 40 includes a slide 41, which is slidably connected to the guide rails 33. The transmission roller 42 is rotatably connected to the slide 41 through a bearing. The slide 41 has a movable hole 411 extending along the direction of the guide rail 33. The shaft of the auxiliary roller 32 on the side away from the main conveyor 20 is slidably placed in the movable hole 411. The shaft of the auxiliary roller 32 on the side away from the main conveyor 20 has multiple annularly distributed slots 321. The outer walls of the opening ends of the multiple slots 321 are close to each other. A locking block 43 adapted to the slot 321 is fixed on the side of the movable hole 411 away from the drive roller 42. The cross section of the locking block 43 is triangular, and the side close to the slot 321 is arc-shaped to ensure that the locking block 43 can be smoothly locked into the corresponding slot 321. Multiple tension springs 44 are fixed at the end of the slide 41 away from the drive roller 42, and the end of the tension spring 44 away from the slide 41 is fixedly connected to the auxiliary frame 31. Under normal conditions, the tension spring 44 is in a stretched state. The elastic contraction force of the tension spring 44 can make the slide 41 always maintain a sliding action towards the locking block 43 to ensure the contact between the drive roller 42 and the auxiliary roller 32. Reference Figure 2 As shown, a protrusion 151 is fixed on the inner side of the upright frame 15. The top inner side of the upright frame 15 has an arc surface structure to ensure the smooth lifting of the slide 41. When the auxiliary frame 31 is flipped inward to a vertical state, the protrusion 151 is placed directly below the slide 41. When the slide 41 continues to descend, the protrusion 151 lifts the slide 41, causing the locking block 43 to engage in the locking groove 321. At this time, the auxiliary roller 32 is locked on the slide 41 and cannot rotate. The main roller 22 and the auxiliary roller 32 are linked by the synchronous belt 60, thereby locking the main roller 22 and the auxiliary roller 32 to stop rotating, thus turning the rolling of the goods on the main roller 22 into static, ensuring the stability of the goods on the main roller 22.

[0021] Reference Figure 2 , Figure 6 As shown, guide rails 16 extending along the conveying direction of the main conveyor 20 are symmetrically fixed at both ends of the main frame 21, and protruding bolts are fixed at both ends of the guide rails 16 to prevent the idle slider 511 from falling off the guide rails 16. The slider 511 is slidably mounted on the guide rails 16, and a movable side plate 51 is fixed on the slider 511. One end of the movable side plate 51 extends outward and is close to the slide 41, and a push plate is vertically fixed at the end of the movable side plate 51 close to the slide 41 to increase the contact area between the slide 41 and the movable side plate 51. The other end of the movable side plate 51 is rotatably connected to a support arm 52 through a rotating shaft. The end of the support arm 52 away from the movable side plate 51 is rotatably connected to the shaft of the clamping plate 53. When the auxiliary conveyor 30 flips inward, the slides 41 on both sides of the main frame 21 push the two movable side plates 51 relative to each other along the guide rail 2 33, forcing the slider 511 to slide along the guide rail 1 16, and then through the lever transmission of the support arm 52, drive the clamping plate 1 53 to move towards the central axis of the main conveyor 20, thereby achieving the clamping and positioning of the goods.

[0022] Reference Figure 6 As shown, a second clamping plate 54 is provided on the inner side of clamping plate 53; At least two long screws 55 are fixed on the outer side of the clamping plate 2 54. The long screws 55 are arranged parallel to the axis of the main roller 22 and slide through the pre-set through hole of the clamping plate 1 53. The outer end of the long screws 55 is screwed with a nut 551 for limiting position. Multiple springs 56 are pre-pressed between clamping plate 1 53 and clamping plate 2 54. The springs 56 are sleeved on the outer periphery of the long screw 55 and, under normal conditions, push clamping plate 2 54 away from clamping plate 1 53. When clamp 1 53 is driven to move towards the center, clamp 2 54 contacts the goods before clamp 1 53, and compresses spring 56 under the guidance of long screw 55. The elastic force of spring 56 adaptively clamps the cargo boxes of different sizes, realizing flexible clamping. By adjusting the position of screw adjusting nut 551, the position of clamp 2 54 and clamp 1 53 can be adjusted, which can also be adjusted for cargo boxes of different sizes.

[0023] Reference Figure 1 , Figure 8 As shown, multiple columns 13 are vertically fixed on the upper surface of the automated guided vehicle 10. The columns 13 are slidably inserted into the through holes of the lifting platform 11. A support plate is fixed on the top of the column 13. Multiple side-by-side support plates 14 are fixed on the upper surface of the support plate. The support plates 14 are placed in the gap between the two main rollers 22 and can pass through the gap. The lower surface of the lifting platform 11 is fixed with downwardly extending support feet. When the lifting platform 11 is lowered to the low position, the support feet abut against the upper surface of the machine body to provide rigid support. At this time, the upper surface of the pallet 14 and the upper bearing edge of the main roller 22 are at the same level, forming a continuous cargo support surface together. This changes the line contact between the main roller 22 and the cargo box into a surface contact, increasing the friction during cargo transportation and improving the stability of the cargo.

[0024] Reference Figure 2 , Figure 5 As shown, the main frame 21 is fixed with a vertical stop 23 and a horizontal stop 24 for limiting the position of the sub-frame 31 at one end; When the sub-frame 31 flips inward to a vertical position, the vertical stop 23 abuts against the sub-frame 31, restricting the sub-frame 31 from continuing to flip inward and maintaining the sub-frame 31 in a vertical position; When the auxiliary frame 31 flips outward to return to the horizontal conveying state, the horizontal block 24 supports the bottom of the auxiliary frame 31, restricting its downward rotation and providing rigid support to ensure that the auxiliary conveyor 30 and the main conveyor 20 remain coplanar.

[0025] Reference Figure 2 , Figure 5As shown, a spring piece 231 is fixed on the side of the vertical stop block 23 near the auxiliary conveyor 30. The horizontal stop block 24 is L-shaped. The horizontal section of the horizontal stop block 24 is fixed to the side of the main frame 21, and the vertical section extends upward to form a support surface. When the auxiliary frame 31 is reset to the horizontal state, the bottom surface of the auxiliary frame 31 overlaps the horizontal section of the L-shaped horizontal stop block 24, and its side is against the inner side of the vertical section. The L-shaped structure provides lateral and vertical double limiting for the auxiliary frame 31 to ensure stable support. When the sub-frame 31 is in a vertical position, it presses against the spring 231, causing the spring 231 to generate an outward elastic force. Then, when the sub-frame 31 rises and separates from the upright frame 15, the spring 231 rebounds to assist the sub-frame 31 in flipping outward.

[0026] Reference Figure 1 , Figure 5 , Figure 7 As shown, two synchronous pulleys 61 are coaxially fixed at the same side ends of the main roller 22 and the auxiliary roller 32. The two adjacent synchronous pulleys 61 are connected by a synchronous belt 60. The synchronous pulley 61 on the outermost main roller 22 is connected to the synchronous pulley 61 on the adjacent auxiliary roller 32 by a closed synchronous belt 60. To ensure the flatness of the conveying surface, the outer diameter of the synchronous pulley 61 is the same as that of the main roller 22, so that when the synchronous belt 60 is under tension, the top surface of the back of its teeth is not higher than the bearing surface of the main roller 22, thereby effectively preventing the synchronous belt 60 from bulging and scratching the bottom surface of the goods or causing jamming.

[0027] To enhance the friction of cargo transport and provide cushioning protection, the cylindrical outer surfaces of the main roller 22, auxiliary roller 32, and drive roller 42 are all covered with a rubber layer. This rubber layer not only significantly increases the coefficient of friction between the roller surface and the cargo, preventing the cargo from slipping during start-up and stop, but also absorbs impact vibrations through its elastic deformation. In addition, it increases the coefficient of friction between the drive roller 42 and the auxiliary roller 32 and the external conveyor rollers, thereby improving the stability of power transmission.

[0028] A method of using a logistics warehousing AGV conveying device includes the following steps: S1. Control the lifting device 12 to extend, lift the platform 11 to a high position, and the auxiliary conveyor 30 detaches from the upright 15 and flips outward to reset, becoming coplanar with the main conveyor 20. S2. Drive the automatic guided vehicle 10 to the docking position (output end) of the external conveyor, so that the transmission roller 42 abuts between the external conveyor roller and the auxiliary roller 32. Utilize the rotational power of the external conveyor roller, and transmit torque through the friction between the transmission roller 42 and the auxiliary roller 32. The torque is then driven by the synchronous belt 60 to rotate the main roller 22, transferring the goods on the external conveyor to the main conveyor 20, thus achieving passive transfer without the need for an additional drive motor. S3. Control the lifting device 12 to retract, and the lifting platform 11 to descend. During this process, the auxiliary conveyor 30 is lifted by the upright frame 15 and flipped inward to a vertical state, forming a vertical protective baffle. When the auxiliary frame 31 flips to a vertical state, the protrusion 151 lifts the slide 41, causing the locking block 43 to engage in the locking groove 321, locking the main roller 22 and the auxiliary roller 32 to stop rotating. At the same time, the pallet 14 rises to support the bottom of the goods and supports the goods together with the main roller 22. S4, the slide 41 pushes the movable side plate 51 laterally, and through the lever transmission of the support arm 52, it drives the clamping plate 1 53 and clamping plate 2 54 to move toward the center of the main conveyor 20. The clamping plate 2 54 first contacts the goods and compresses the spring 56. Through the elastic force of the spring 56, it adaptively clamps the cargo boxes of different sizes to achieve flexible clamping and ensure transportation stability. S5. The automated guided vehicle 10 carries the goods to the target workstation, the control lift 12 extends again, the lifting platform 11 rises again, the auxiliary conveyor 30 returns to the horizontal plane, the clamping assembly 50 is released, the automated guided vehicle 10 moves to the docking position (conveying end) of the external conveyor, so that the drive roller 42 abuts between the external conveyor roller and the auxiliary roller 32, and the goods are transferred to the external conveyor by the linkage of the external power and the synchronous belt 60.

[0029] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A logistics warehousing AGV conveying device, characterized in that, include: An automated guided vehicle (10) includes a liftable lifting platform (11). A main conveyor (20) is fixedly installed on the lifting platform (11). The main conveyor (20) includes multiple main rollers (22). A secondary conveyor (30) is rotatably connected to both ends of the main conveyor (20). The secondary conveyor (30) includes multiple secondary rollers (32) that are synchronously linked with the main rollers (22). The auxiliary conveyor (30) is slidably equipped with a transmission assembly (40) at the end away from the main conveyor (20). The transmission assembly (40) includes two transmission rollers (42) that are coaxially connected to the auxiliary roller (32). The body of the automated guided vehicle (10) is fixed with a stand (15) located below the auxiliary conveyor (30). The main conveyor (20) is symmetrically provided with clamping assemblies (50), and the clamping assemblies (50) include a clamping plate (53) that can move along the axial direction of the main roller (22). When the lifting platform (11) descends, the auxiliary conveyor (30) is lifted by the upright (15) and flipped inward, making it perpendicular to the main conveyor (20). The auxiliary conveyor (30) is squeezed and driven to move relative to the two side clamps (53) to hold the goods. When the lifting platform (11) rises, the auxiliary conveyor (30) disengages from the upright (15) and flips outward to reset, returning to the coplanarity with the main conveyor (20) to receive the goods.

2. The logistics warehousing AGV conveying device according to claim 1, characterized in that, The main conveyor (20) includes a main frame (21), and the auxiliary conveyor (30) includes an auxiliary frame (31). The auxiliary frame (31) is rotatably connected to one end of the main frame (21) along its length via a rotating shaft, and the rotating shaft is coaxially arranged with the outermost main roller (22). The auxiliary frame (31) has guide rails (33) extending along the conveying direction fixed on both sides. The transmission assembly (40) includes a slide (41), which is slidably connected to the guide rails (33). The transmission roller (42) is rotatably connected to the slide (41). The slide (41) has a movable hole (411) extending along the direction of the second guide rail (33). The shaft of the auxiliary roller (32) on the side away from the main conveyor (20) is slidably placed in the movable hole (411), and the shaft has multiple annularly distributed slots (321). A locking block (43) that matches the slot (321) is fixed on the side of the movable hole (411) away from the drive roller (42). The inner side of the upright frame (15) is fixed with a protrusion (151). When the auxiliary frame (31) is flipped inward to a vertical position, the protrusion (151) lifts the slide (41), so that the locking block (43) is locked into the slot (321), locking the main roller (22) and the auxiliary roller (32) to stop rotating.

3. The logistics warehousing AGV conveying device according to claim 2, characterized in that, Both ends of the main frame (21) are symmetrically fixed with guide rails (16) extending along the conveying direction of the main conveyor (20). A slider (511) is slidably mounted on the guide rail (16). A movable side plate (51) is fixed on the slider (511). One end of the movable side plate (51) extends outward and is close to the slide (41). The other end is rotatably connected to a support arm (52) via a rotating shaft. The end of the support arm (52) away from the movable side plate (51) is rotatably connected to the shaft of the clamping plate (53).

4. The logistics warehousing AGV conveying device according to claim 3, characterized in that, A second clamp (54) is provided on the inner side of the first clamp (53); At least two long screws (55) are fixed on the outer side of the clamping plate two (54). The long screws (55) are arranged parallel to the axis of the main roller (22) and slide through the through hole of the clamping plate one (53). The outer end of the long screws (55) is screwed with a nut (551) for limiting. Multiple springs (56) are pre-pressed between the first clamping plate (53) and the second clamping plate (54). The springs (56) are sleeved on the outer periphery of the long screw (55) and normally push the second clamping plate (54) away from the first clamping plate (53).

5. The logistics warehousing AGV conveying device according to claim 4, characterized in that, The automatic guided vehicle (10) has multiple columns (13) vertically fixed on its upper surface. The columns (13) slide through the pre-set through holes of the lifting platform (11). A support plate is fixed on the top of the columns (13). Multiple pallets (14) are fixed on the upper surface of the support plate. The pallets (14) are placed in the gap between the two main rollers (22).

6. The logistics warehousing AGV conveying device according to claim 2, characterized in that, The main frame (21) is fixed with a vertical stop (23) and a horizontal stop (24) for limiting the position of the sub-frame (31) at one end. When the subframe (31) flips inward to a vertical position, the vertical stop (23) abuts against the subframe (31), restricting the subframe (31) from continuing to flip inward; When the subframe (31) flips outward to reset to the horizontal conveying state, the horizontal block (24) supports the bottom of the subframe (31), restricts its downward rotation and provides rigid support, ensuring that the sub-conveyor (30) and the main conveyor (20) remain coplanar.

7. A logistics warehousing AGV conveying device according to claim 6, characterized in that, The vertical stop (23) has a spring piece (231) fixed on the side near the auxiliary conveyor (30), and the horizontal stop (24) is L-shaped.

8. A logistics warehousing AGV conveying device according to claim 2, characterized in that, The main roller (22) and the auxiliary roller (32) are each fixed with two synchronous pulleys (61) on the same side, and the two adjacent synchronous pulleys (61) are connected by a synchronous belt (60).

9. A logistics warehousing AGV conveying device according to claim 2, characterized in that, The cylindrical outer surfaces of the main roller (22), the auxiliary roller (32) and the transmission roller (42) are all covered with a rubber layer.

10. A method of using a logistics warehousing AGV conveying device, characterized in that, Using the logistics warehousing AGV conveying device according to claim 5 includes the following steps: S1. The lifting platform (11) is in a high position, the auxiliary conveyor (30) is detached from the upright (15) and flips outward to reset, and is coplanar with the main conveyor (20); S2. The automated guided vehicle (10) moves to the docking position of the external conveyor, so that the drive roller (42) abuts between the external conveyor roller and the auxiliary roller (32), and the goods are transferred to the main conveyor (20) by external power through the synchronous belt (60). S3, the lifting platform (11) descends, the auxiliary conveyor (30) is lifted by the upright (15) and flipped inward to a vertical state; the pallet (14) is flush with the upper edge of the main roller (22) and together they support the goods; S4. The carriage (41) is lifted by the protrusion (151), and the locking block (43) is locked into the slot (321) to lock the main roller (22) and the auxiliary roller (32) to stop rotating. At the same time, the carriage (41) pushes the movable side plate (51) laterally, and through the support arm (52), it drives the clamping plate one (53) and clamping plate two (54) to clamp the two sides of the cargo box. S5. The automated guided vehicle (10) carries the goods to the target workstation, the lifting platform (11) rises again, the auxiliary conveyor (30) resets to the horizontal plane, the clamping assembly (50) is released, the automated guided vehicle (10) moves to the docking position of the external conveyor, so that the drive roller (42) abuts between the external conveyor roller and the auxiliary roller (32), and the goods are transferred to the external conveyor by the linkage of the external power and the synchronous belt (60).

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