A conveying mechanism, a transfer device and a PCB conveying system

Abstract

This utility model relates to the field of automation technology, and more particularly to a conveying mechanism, transfer equipment, and PCB board conveying system. The conveying mechanism is used to transport a material box mechanism for storing PCB boards. It includes a conveying trolley for moving the material box mechanism and a detection sensor disposed at the rear of the conveying trolley. When the conveying trolley moves, the detection sensor detects obstacles on the conveying path. In this utility model, when the detection sensor detects an obstacle, the conveying trolley stops conveying the material box mechanism, ensuring the stability and safety of the conveying trolley conveying the material box mechanism along the conveying path and avoiding collision accidents during the conveying process.

Description

Technical Field

[0001] This utility model relates to the field of automation technology, and in particular to a conveying mechanism, transfer equipment and PCB board conveying system. Background Technology

[0002] In the field of board (circuit board, etc.) processing, it is necessary to place the board on the processing table or remove the board from the processing table. In order to improve the processing speed of the board and reduce the manufacturing cost of the board, the material box is usually transported to the processing platform by AGV (Automated Guided Vehicle), and then the drive component on the AGV is used to transport the PCB board in the material box to the worktable, or to transport the board on the worktable to the material box.

[0003] In the existing technology, during the process of AGV transporting its material boxes to the temporary storage platform, if the material boxes on the temporary storage platform are not removed in time, the material boxes on the AGV will collide with the material boxes on the temporary storage platform. Utility Model Content

[0004] This utility model provides a feeding mechanism, a transfer device, and a PCB board conveying system to solve the technical problems in the prior art, such as the collision between the material bins on the AGV and the material bins on the temporary storage platform.

[0005] The present invention provides a conveying mechanism for transporting a PCB board storage bin mechanism, including a conveying trolley for transferring the bin mechanism and a detection sensor disposed at the rear of the conveying trolley. When the conveying trolley moves, the detection sensor is used to detect obstacles on the conveying path of the conveying trolley.

[0006] Another embodiment of the present invention provides a transfer device, including a conveying mechanism, a material box mechanism, and a temporary storage rack for placing the material box mechanism. The conveying mechanism includes a conveying trolley for transferring the material box mechanism and a detection sensor installed on the conveying trolley. The detection sensor is used to detect whether the material box mechanism is on the temporary storage rack when the conveying trolley docks with the temporary storage rack.

[0007] Optionally, the material box mechanism includes a support frame and a plurality of conveying components spaced apart on the support frame. The support frame is provided with a plurality of material bins spaced apart. The components are arranged in a one-to-one correspondence with the material bins. The conveying components are used to move PCB boards into or out of the material bins.

[0008] The conveying mechanism also includes a board material sensor installed on the conveying trolley, which is used to detect whether the PCB board is moved into or out of the hopper.

[0009] Optionally, the bin mechanism may further include a support component installed at the bottom of the support frame.

[0010] Optionally, the conveying trolley includes a power chassis, a support frame, a lifting drive component, and a support rod mounted on the lifting drive component. The support rod is used to support the material box mechanism. The support frame is mounted on the power chassis, and the plate sensor is mounted on the support frame. The lifting drive component is mounted on the power chassis and is used to drive the support rod to move up and down.

[0011] Optionally, the conveying trolley further includes a drive assembly mounted on the support frame, the drive assembly being used to drive the conveying assembly to move the PCB board into or out of the hopper.

[0012] Optionally, the drive assembly includes a support base, a moving drive component, a rotating drive component, and a lever. The support base is mounted on the support frame, the moving drive component is mounted on the support base, the rotating drive component is mounted on the moving drive component, and the lever is mounted on the rotating drive component.

[0013] The conveying assembly includes a support plate, a conveyor belt module, a connecting shaft, and a docking member with a meshing groove. The conveyor belt module includes a drive wheel, a driven wheel, and a conveyor belt wound around the drive wheel and the driven wheel. The support plate is mounted on the support frame, and the drive wheel and the driven wheel are rotatably mounted on the support plate. The connecting shaft is rotatably mounted on the support frame, and its opposite ends are respectively connected to the docking member and the drive wheel.

[0014] The movable drive is used to drive the paddle to be inserted into the engagement groove, and the rotary drive is used to drive the connecting shaft to rotate by the paddle inserted into the engagement groove.

[0015] Optionally, the drive assembly further includes a docking sensor mounted on the support base, the docking sensor being used to detect the position of the docking member or the lever, so that the lever is inserted into the engagement groove.

[0016] Optionally, the support plate is provided with a guide groove, which is used to guide the positioning pins on the PCB board.

[0017] Optionally, the conveyor belt is used to move the PCB board along a first direction, and the conveying assembly includes two conveyor belt modules that are spaced apart on the support plate along a second direction, the first direction being perpendicular to the second direction; the guide groove is disposed between the two conveyor belt modules and extends along the first direction.

[0018] Optionally, the material box mechanism further includes a positioning block installed on the support frame, and the conveying trolley is provided with a positioning groove adapted to the positioning block;

[0019] The material box mechanism is placed on the conveying trolley, and the positioning block is inserted into the positioning slot.

[0020] Optionally, the temporary storage rack includes a base frame and a plurality of limiting blocks and a plurality of support blocks, all mounted on the base frame. The support blocks are used to support the material box mechanism, and the limiting blocks are used to limit the material box mechanism on the support base.

[0021] An embodiment of this utility model also provides a PCB board conveying system, including a transfer device, a drilling machine workbench, and the aforementioned transfer equipment. The transfer device is disposed on one side of the drilling machine workbench, and the transfer equipment can dock with the transfer device to convey PCB boards.

[0022] In this invention, the conveying mechanism includes a conveying trolley for transporting the material box mechanism and a detection sensor mounted on the conveying trolley. When the conveying trolley moves, the detection sensor detects obstacles on its conveying path. When the detection sensor detects an obstacle, the conveying trolley stops transporting the material box mechanism and issues an alarm to prompt the operator to remove the obstacle. When the detection sensor detects no obstacles on the conveying path, the conveying trolley continues transporting the material box mechanism along its path. This invention ensures the stability and safety of the conveying trolley in transporting the material box mechanism, preventing collisions during transport. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of a transfer device provided in an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of the material box mechanism placed on the conveying mechanism according to an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the conveying mechanism provided in one embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the material box mechanism placed on the conveying mechanism according to an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of a drive component provided in an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram of the material box mechanism provided in one embodiment of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of a conveying assembly provided in an embodiment of the present invention;

[0031] Figure 8 This is a schematic diagram of the structure of a temporary storage rack provided in an embodiment of the present invention;

[0032] Figure 9 This is a partially enlarged view of the engagement of the paddle and the mating part according to an embodiment of the present invention.

[0033] The reference numerals in the accompanying drawings are as follows:

[0034] 1. Conveying mechanism; 11. Conveying trolley; 111. Power chassis; 112. Support frame; 113. Lifting drive component; 114. Support bar; 115. Drive assembly; 1151. Support base; 1152. Moving drive component; 1153. Rotating drive component; 1154. Altering block; 1155. Docking sensor; 116. Positioning slot; 12. Detection sensor; 13. Sheet material sensor; 2. Material box mechanism; 2 1. Support frame; 211. Hopper; 212. Support component; 22. Conveying assembly; 221. Support plate; 2211. Guide groove; 222. Conveyor belt module; 2221. Drive wheel; 2222. Driven wheel; 2223. Conveyor belt; 223. Connecting shaft; 224. Connecting part; 2241. Engaging groove; 23. Positioning block; 3. Temporary storage rack; 31. Base frame; 32. Limiting block; 33. Support block. Detailed Implementation

[0035] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0036] like Figures 1 to 3As shown, an embodiment of this utility model provides a conveying mechanism 1, which is used to transport a material box mechanism 2 for storing PCB boards. It includes a conveying trolley 11 for transferring the material box mechanism 2 and a detection sensor 12 disposed at the rear of the conveying trolley 11. When the conveying trolley 11 moves, the detection sensor 12 is used to detect obstacles on the conveying path of the conveying trolley. It is understood that the conveying trolley 11 includes, but is not limited to, AGVs (Automated Guided Vehicles), and the detection sensor 12 includes, but is not limited to, laser sensors.

[0037] In this invention, the conveying mechanism 1 includes a conveying trolley 11 for transporting the material box mechanism 2 and a detection sensor 12 mounted on the conveying trolley 11. When the conveying trolley 11 moves, the detection sensor 12 detects obstacles on the conveying path. When the detection sensor 12 detects an obstacle 2 on the conveying path, the conveying trolley 11 stops transporting the material box mechanism 12 and issues an alarm to prompt the operator to remove the obstacle 2. When the detection sensor 12 detects no obstacles on the conveying path, the conveying trolley 11 continues transporting the material box mechanism 2 along the conveying path. In this invention, the detection sensor 12 detects obstacles on the conveying path when the conveying trolley 11 moves. When the detection sensor 12 detects an obstacle, the conveying trolley 11 stops transporting the material box mechanism 12, ensuring the stability and safety of the conveying trolley 11 transporting the material box mechanism 2 along the conveying path and avoiding collisions during the transport process.

[0038] like Figures 1 to 3 As shown, an embodiment of this utility model provides a transfer device, including a conveying mechanism 1, a material box mechanism 2, and a temporary storage rack 3 for placing the material box mechanism 2. The conveying mechanism 1 includes a conveying trolley 11 for transferring the material box mechanism 2 and a detection sensor 12 installed on the conveying trolley 11. The detection sensor 12 is used to detect whether the material box mechanism 2 is on the temporary storage rack 3 when the conveying trolley 11 docks with the temporary storage rack 3. It can be understood that the conveying trolley 11 includes, but is not limited to, AGVs (Automated Guided Vehicles), and the detection sensor 12 includes, but is not limited to, laser sensors.

[0039] In this invention, the conveying mechanism 1 includes a conveying trolley 11 for transferring the material box mechanism 2 and a detection sensor 12 installed on the conveying trolley 11. During the process of the conveying trolley 11 placing the material box mechanism 2 on the temporary storage rack 3, the detection sensor 12 will detect whether there is a material box mechanism 2 on the temporary storage rack 3. When the detection sensor 12 detects that there is a material box mechanism 2 on the temporary storage rack 3, the conveying trolley 11 will stop conveying the material box mechanism 2 on it to the temporary storage rack 3 and issue an alarm to prompt the staff to remove the material box mechanism 2 on the temporary storage rack 3 in time. When the detection sensor 12 detects that there is no material box mechanism 2 on the temporary storage rack 3, the conveying trolley 11 will then convey the material box mechanism 2 on it to the temporary storage rack 3. In this utility model, when the conveying trolley 11 docks with the temporary storage rack 3, the detection sensor 12 detects whether the temporary storage rack 3 has the material box mechanism 2, ensuring the stability of the conveying trolley 11 in conveying the material box mechanism 2 on it to the temporary storage rack 3, and avoiding the accident of the material box mechanism 2 on the conveying trolley 11 colliding with the material box mechanism 2 on the temporary storage rack 3.

[0040] In one embodiment, such as Figure 3 , Figure 4 as well as Figure 6 As shown, the material bin mechanism 2 includes a support frame 21 and a plurality of conveying components 22 spaced apart on the support frame 21. The support frame 21 is provided with a plurality of material bins 211 spaced apart. The components are arranged in a one-to-one correspondence with the material bins 211. The conveying components 22 are used to move PCB boards into or out of the material bins 211. It can be understood that the conveying components 22 are spaced apart on the support frame 21 along the conveying direction, and each material bin 211 has a conveying component 22 at its bottom. The number of conveying components 22 can be set according to actual needs.

[0041] The conveying mechanism 1 also includes a board material sensor 13 mounted on the conveying trolley 11. The board material sensor 13 is used to detect whether the PCB board moves into or out of the hopper 211. Understandably, the board material sensor 13 includes, but is not limited to, a laser sensor, etc., and the laser emitted by the board material sensor 13 is located in front of the inlet and outlet of the hopper 211.

[0042] Specifically, when the PCB board is transferred into the hopper 211, the board material sensor 13 will detect the PCB board first. If the board material sensor 13 does not detect the PCB board, the conveying assembly 22 will stop moving the PCB board, and the PCB board will completely enter the hopper 211 due to inertia. When the PCB board in the hopper 211 is transferred to the worktable, the board material sensor 13 will detect the PCB board first. If the board material sensor 13 does not detect the PCB board, the conveying assembly 22 will stop moving the PCB board, and the PCB board has moved from the hopper 211 to the worktable. In this embodiment, the design of the board material sensor 13 improves the automation level of the transfer equipment.

[0043] In one embodiment, such as Figure 4 As shown, the material box mechanism 2 also includes a support component 212 installed at the bottom of the support frame 21; the support component 212 can support the material box mechanism 2, so that during the process of conveying the material box mechanism 1, the material box mechanism 2 does not need to be placed on the temporary storage rack 3, and the material box mechanism 2 is placed directly on the ground through the support component 212, which improves the practicality and versatility of the transfer equipment.

[0044] In one embodiment, such as Figure 2 and Figure 3 As shown, the conveying trolley 11 includes a power chassis 111, a support frame 112, a lifting drive component 113, and a support rod 114 mounted on the lifting drive component 113. The support rod 114 supports the material box mechanism 2. The support frame 112 is mounted on the power chassis 111, and the sheet material sensor 13 is mounted on the support frame 112. The lifting drive component 113 is mounted on the power chassis 111 and is used to drive the support rod 114 to move up and down. It can be understood that the lifting drive component 113 includes, but is not limited to, a pneumatic cylinder, a lead screw and nut assembly, etc., and the support frame 112 is mounted on top of the power chassis 111.

[0045] In this embodiment, after the material bin mechanism 2 is placed on the support bar 114, the lifting drive component 113 can drive the material bin mechanism 2 to rise and fall via the support bar 114, so that the conveying component 22 at the stationary height docks with the worktable. Thus, the material bin mechanism 2 can convey PCB boards from different hoppers 211 to the worktable, and PCB boards on the worktable can be conveyed to different hoppers 211 of the material bin mechanism 2. In this embodiment, the conveying trolley 11 has a simple structure and low manufacturing cost.

[0046] In one embodiment, such as Figure 3As shown, the conveying trolley 11 also includes a drive assembly 115 mounted on the support frame 112. The drive assembly 115 is used to drive the conveying assembly 22 to move the PCB board into or out of the hopper 211. Understandably, the drive assembly 115 is fixedly mounted on the side of the support frame 112. Specifically, the lifting drive component 113 drives the hopper to move up and down via the support bar 114, so that the drive assembly 115 can connect with different conveying assemblies 22, and multiple conveying assemblies 22 can share one drive assembly 115, further reducing the manufacturing cost of the transfer equipment.

[0047] In one embodiment, such as Figure 5 As shown, the drive assembly 115 includes a support base 1151, a moving drive component 1152, a rotating drive component 1153, and a lever 1154. The support base 1151 is mounted on the support frame 112, the moving drive component 1152 is mounted on the support base 1151, the rotating drive component 1153 is mounted on the moving drive component 1152, and the lever 1154 is mounted on the rotating drive component 1153. It can be understood that the moving drive component 1152 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, and a lead screw and nut assembly, etc., and the moving drive component 1152 can drive the rotating drive component 1153 and the lever 1154 to move. The rotating drive component 1153 includes, but is not limited to, a rotary motor, etc., and the rotating drive component 1153 is used to drive the lever 1154 to rotate.

[0048] like Figure 7 As shown, the conveying assembly 22 includes a support plate 221, a conveyor belt module 222, a connecting shaft 223, and a docking member 224 with a meshing groove 2241. The conveyor belt module 222 includes a drive wheel 2221, a driven wheel 2222, and a conveyor belt 2223 wound around the drive wheel 2221 and the driven wheel 2222. The support plate 221 is mounted on the support frame 21, and the drive wheel 2221 and the driven wheel 2222 are both rotatably mounted on the support plate 221. The connecting shaft 223 is rotatably mounted on the support plate 221. The support plate 221 is mounted on the support frame 112 and connected to the docking member 224 and the drive wheel 2221 at opposite ends. It can be understood that the support plate 221 can be mounted on the support frame 21 by a support shaft or the like. The docking member 224 is located on the side of the support frame 21, and the support plate 221 is located inside the support frame 21. The drive wheel 2221 and the driven wheel 2222 are rotatably mounted on the support plate 221 at intervals along a first direction. The conveyor belt 2223 can move the PCB board along the first direction.

[0049] like Figure 9As shown, the movable drive component 1152 drives the paddle block 1154 to insert into the engagement groove 2241, and the rotary drive component 1153 drives the connecting shaft 223 to rotate through the paddle block 1154 inserted into the engagement groove 2241. Specifically, the lifting drive component 113 drives the material box mechanism 2 to lift and lower through the support bar 114. After the drive assembly 115 docks with one of the conveying assemblies 22, the movable drive component 1152 drives the rotary drive component 1153 and the paddle block 1154 to move toward the docking member 224 until the paddle block 1154 is inserted into the engagement groove 2241. The rotary drive component 1153 then drives the paddle block 1154 to rotate. The paddle block 1154 drives the drive wheel 2221 to rotate through the docking member 224 and the connecting shaft 223. The drive wheel 2221 can drive the conveyor belt 2223 to move. In this embodiment, the drive component 115 and the conveying component 22 have simple structures and low manufacturing costs.

[0050] In one embodiment, such as Figure 5 As shown, the drive assembly 115 further includes a docking sensor 1155 mounted on the support base 1151. The docking sensor 1155 is used to detect the position of the docking member 224 or the lever 1151, so that the lever 1151 is inserted into the engagement groove 2241. Understandably, the docking sensor 1155 includes, but is not limited to, laser sensors, photoelectric sensors, etc. Specifically, when the docking sensor 1155 detects that the engagement groove 2241 on the docking member 224 is aligned with the docking block 224, both the docking member 224 and the lever 1154 are in a horizontal state. The moving drive member 1152 then drives the lever 1154 to move towards the docking member 224 until the lever 1154 is inserted into the engagement groove 2241. In this embodiment, the connecting shaft 223 is in an automatically rotating state, and the design of the docking sensor 1155 ensures the stability of the lever 1154 inserted into the engagement groove 2241.

[0051] In one embodiment, such as Figure 1 As shown, the support plate 221 is provided with a guide groove 2211, which is used to guide the positioning pin on the PCB board. Understandably, the positioning pin is mounted on the PCB board, and the positioning pin protrudes below the PCB board. Specifically, during the process of the conveyor belt module 222 moving the PCB board on the support plate 221, the positioning pin moves in the guide groove 2211, thereby ensuring the stability of the conveyor belt module 222 moving the PCB board.

[0052] In one embodiment, such as Figure 7As shown, the conveyor belt 2223 is used to move the PCB board along a first direction. The conveying assembly 22 includes two conveyor belt modules 222 spaced apart on the support plate 221 along a second direction, where the first direction is perpendicular to the second direction. The guide groove 2211 is disposed between the two conveyor belt modules 222 and extends along the first direction. Understandably, the design of the two conveyor belt modules 222 results in a narrower width for the conveyor belt 2223, reducing the contact area between the conveyor belt 2223 and the PCB board. This avoids scratching or damaging the PCB board due to excessive contact area, thus ensuring the quality of the PCB board.

[0053] In one embodiment, such as Figure 3 and Figure 6 As shown, the hopper mechanism 2 further includes a positioning block 23 mounted on the support frame 21, and the conveying trolley 11 is provided with a positioning groove 116 adapted to the positioning block 23; the hopper mechanism 2 is placed on the conveying trolley 11, and the positioning block 23 is inserted into the positioning groove 116. It can be understood that the positioning groove 116 is located on the bottom surface of the power chassis 111. When the hopper mechanism 2 is placed on the conveying trolley 11, the positioning block 23 is inserted into the positioning groove 116, thereby ensuring the stability of the hopper mechanism 2 placed on the conveying trolley 11.

[0054] In one embodiment, such as Figure 1 and 8 As shown, the temporary storage rack 3 includes a base frame 31 and multiple limiting blocks 32 and multiple support blocks 33, all mounted on the base frame 31. The support blocks 33 support the material box mechanism 2, and the limiting blocks 32 limit the material box mechanism 2 on the support base 1151. It can be understood that multiple support blocks 33 and limiting blocks 32 can be provided according to actual needs. The support blocks 33 can support the material box mechanism 2 from the bottom. When the material box mechanism 2 is placed on the support blocks 33, the limiting blocks 32 abut against the four sides of the material box mechanism 2, thereby limiting the material box mechanism 2 on the support blocks 33 and ensuring the stability of the material box mechanism 2 placed on the temporary storage rack 3.

[0055] An embodiment of this utility model also provides a PCB board conveying system, including a transfer device, a drilling machine worktable, and the aforementioned transfer equipment. The transfer device is disposed on one side of the drilling machine worktable, and the transfer equipment can dock with the transfer device to convey PCB boards. The transfer device can dock with the drilling machine worktable to convey PCB boards. Understandably, the transfer equipment can convey PCB boards onto the transfer device, and the transfer device can convey PCB boards onto the drilling machine worktable, thereby completing the automatic loading function of the drilling machine worktable. After the PCB boards on the drilling machine worktable are processed, they can be transferred to the transfer device, and the transfer device can convey them onto the transfer equipment, thereby completing the automatic unloading function of the drilling machine worktable. In this embodiment, the PCB board conveying system can complete the automatic loading and unloading function of PCB boards, improving the processing efficiency of the PCB board conveying system.

[0056] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A conveying mechanism for transporting a bin for storing PCB boards, characterized in that, It includes a conveying trolley for transferring material boxes and a detection sensor located at the rear of the conveying trolley. The detection sensor is used to detect obstacles on the conveying path of the conveying trolley when the conveying trolley moves.

2. A transfer device, characterized in that, It includes a material box mechanism, a temporary storage rack for placing the material box mechanism, and a conveying mechanism as described in claim 1; the detection sensor is used to detect whether the material box mechanism is on the temporary storage rack when the conveying trolley docks with the temporary storage rack.

3. The transfer device according to claim 2, characterized in that, The material box mechanism includes a support frame and multiple conveying components installed at intervals on the support frame. The support frame is provided with multiple material bins distributed at intervals. Each conveying component is arranged in a one-to-one correspondence with a material bin. The conveying components are used to move PCB boards into or out of the material bins. The conveying mechanism also includes a board material sensor installed on the conveying trolley or the support frame, which is used to detect whether the PCB board is moved into or out of the hopper.

4. The transfer device according to claim 3, characterized in that, The hopper mechanism also includes a support component installed at the bottom of the support frame.

5. The transfer device according to claim 3, characterized in that, The conveying trolley includes a power chassis, a support frame, a lifting drive component, and a support rod mounted on the lifting drive component. The support rod is used to support the material box mechanism. The support frame is mounted on the power chassis, and the plate sensor is mounted on the support frame. The lifting drive component is mounted on the power chassis and is used to drive the support rod to move up and down.

6. The transfer device according to claim 5, characterized in that, The conveying trolley also includes a drive assembly mounted on the support frame, which is used to drive the conveying assembly to move the PCB board into or out of the hopper.

7. The transfer device according to claim 6, characterized in that, The drive assembly includes a support base, a moving drive component, a rotating drive component, and a lever. The support base is mounted on the support frame, the moving drive component is mounted on the support base, the rotating drive component is mounted on the moving drive component, and the lever is mounted on the rotating drive component. The conveying assembly includes a support plate, a conveyor belt module, a connecting shaft, and a docking member with a meshing groove. The conveyor belt module includes a drive wheel, a driven wheel, and a conveyor belt wound around the drive wheel and the driven wheel. The support plate is mounted on the support frame, and the drive wheel and the driven wheel are rotatably mounted on the support plate. The connecting shaft is rotatably mounted on the support frame, and its opposite ends are respectively connected to the docking member and the drive wheel. The movable drive is used to drive the paddle to be inserted into the engagement groove, and the rotary drive is used to drive the connecting shaft to rotate by the paddle inserted into the engagement groove.

8. The transfer device according to claim 7, characterized in that, The drive assembly also includes a docking sensor mounted on the support base, the docking sensor being used to detect the position of the docking member or the lever, so that the lever is inserted into the engagement groove.

9. The transfer device according to claim 7, characterized in that, The support plate is provided with a guide groove, which is used to guide the positioning pins on the PCB board.

10. The transfer device according to claim 9, characterized in that, The conveyor belt is used to move the PCB board along a first direction. The conveying assembly includes two conveyor belt modules that are spaced apart on the support plate along a second direction. The first direction is perpendicular to the second direction. The guide groove is disposed between the two conveyor belt modules and extends along the first direction.

11. The transfer device according to claim 3, characterized in that, The material box mechanism also includes a positioning block installed on the support frame, and the conveying trolley is provided with a positioning groove that matches the positioning block; The material box mechanism is placed on the conveying trolley, and the positioning block is inserted into the positioning slot.

12. The transfer device according to claim 7, characterized in that, The temporary storage rack includes a base frame and multiple limiting blocks and multiple support blocks, all mounted on the base frame. The support blocks are used to support the material box mechanism, and the limiting blocks are used to limit the material box mechanism on the support base.

13. A PCB board conveying system, characterized in that, The device includes a transfer unit, a drilling machine workbench, and a transfer device as described in any one of claims 2 to 12. The transfer unit is located on one side of the drilling machine workbench, and the transfer device is capable of docking with the transfer unit to transport PCB boards.

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