Pushing mechanism and conveying device

Abstract

The utility model relates to the technical field of circuit board processing, in particular to a material pushing mechanism and a conveying device. The pushing mechanism comprises a mounting frame and a pushing assembly, and the mounting frame can move in the first direction; the material pushing assembly is rotationally connected to the mounting frame, the material pushing assembly is provided with a first pushing position and a second pushing position, and the material pushing assembly can rotate between the first pushing position and the second pushing position in a reciprocating mode; the pushing assembly is further provided with a first pushing part and a second pushing part, one end of the first pushing part is rotationally connected to the mounting frame, and the other end of the first pushing part is connected to the second pushing part; when the material pushing assembly is located at the first pushing position, the first material pushing part can push the PCB in the first direction; and when the material pushing assembly is located at the second pushing position, the second material pushing part can push the PCB in the first direction. The material pushing mechanism is small in occupied space, and the space utilization rate of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board processing, especially relates to a pushing mechanism and transport device. BACKGROUND

[0002] In the production process of PCB, the pushing mechanism is the key component to ensure that the PCB can be accurately and efficiently moved to the next process according to the production process.

[0003] The prior art discloses a pushing device for PCB, including installation base, support assembly, lifting assembly and pushing assembly, the support assembly is arranged on the installation base, the lifting assembly is arranged on the support assembly, the pushing assembly is arranged on the lifting assembly, the pushing assembly is moved to the pushing position through the lifting assembly, and then the PCB is pushed into the PCB processing equipment through the pushing assembly.

[0004] However, the existing pushing assembly usually adopts a large-stroke air cylinder as a driving member to ensure that the PCB can be completely pushed into the PCB processing equipment, so that the pushing assembly needs to occupy a large space, affecting the space utilization of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that the pushing assembly occupies a large space and affects the space utilization of the equipment in the prior art, and provides a pushing mechanism and transport device.

[0006] To solve the above technical problems, on the one hand, the utility model embodiment provides a pushing mechanism suitable for pushing PCB, including mounting frame and pushing assembly, the mounting frame can move along the first direction;

[0007] The pushing assembly is rotationally connected to the mounting frame, the pushing assembly has a first pushing position and a second pushing position, and the pushing assembly can reciprocate rotationally between the first pushing position and the second pushing position;

[0008] The pushing assembly also has a first pushing part and a second pushing part, one end of the first pushing part is rotationally connected to the mounting frame, and the other end is connected to the second pushing part;

[0009] When the pushing assembly is in the first pushing position, the first pushing part can push the PCB along the first direction, and when the pushing assembly is in the second pushing position, the second pushing part can push the PCB along the first direction.

[0010] Optionally, the first pushing part includes a first push rod, one end of the first push rod is rotationally connected to the mounting frame, and the other end is connected to the second pushing part;

[0011] The first push rod extends along the second direction when the pushing assembly is in the first pushing position.

[0012] The first push rod extends along the first direction when the pushing assembly is in the second pushing position.

[0013] The first direction is perpendicular to the second direction.

[0014] Optionally, the pushing assembly further comprises a buffer for reducing the collision between the pushing assembly and the PCB, and at least one of the first pushing part and the second pushing part is provided with the buffer.

[0015] Optionally, the pushing mechanism further comprises a first driving assembly arranged on the mounting frame, one end of the first driving assembly is connected to one end of the first pushing part away from the second pushing part, and the first driving assembly is used to drive the pushing assembly to reciprocate between the first pushing position and the second pushing position.

[0016] Optionally, the first driving assembly comprises a pneumatic cylinder, a gear and a rack, the pneumatic cylinder is arranged on the mounting frame, one end of the gear is connected to one end of the first pushing part, and the rack is arranged on one end of the pneumatic cylinder, the gear and the rack are engaged.

[0017] Optionally, the pneumatic cylinder is arranged on the mounting frame along the second direction, and the first direction is perpendicular to the second direction.

[0018] Optionally, the pushing mechanism further comprises a second driving assembly and a base, the base comprises a first base plate and a second base plate, the mounting frame is connected to the first base plate, the first base plate is slidingly connected to the second base plate along the first direction, the second driving assembly is arranged on the second base plate and connected to the first base plate, and the second driving assembly is used to drive the first base plate to slide relative to the second base plate along the first direction.

[0019] Optionally, the second driving assembly comprises a driving motor, a driving wheel, a driven wheel, a first connecting strip and a fixing seat, the driving motor and the driven wheel are arranged on the second base plate, the driving wheel is arranged on the output end of the driving motor, the first connecting strip is arranged around the driving wheel and the driven wheel, and the first connecting strip is connected at its head and tail, the fixing seat is mounted on the first connecting strip and connected to the first base plate, and the driving motor drives the first base plate to move along the first direction through the first connecting strip.

[0020] Optionally, the pushing mechanism further comprises a transmission assembly, the transmission assembly comprising a second connecting strip, a third connecting strip, a first idler and a second idler, the first idler and the second idler being respectively installed at two opposite ends of the first base plate along the first direction, the second connecting strip being wound around the first idler, and two ends of the second connecting strip being respectively connected to the second base plate and the mounting frame; the third connecting strip being wound around the second idler, and two ends of the third connecting strip being respectively connected to the second base plate and the mounting frame.

[0021] When the first base plate moves along the first direction, the mounting frame can be driven to move along the first direction by the second connecting strip or the third connecting strip, and the PCB can be driven to move along the first direction by the pushing assembly.

[0022] According to the pushing mechanism provided in the embodiment of the present application, when the pushing assembly is at the first pushing position, the first pushing part contacts the PCB, and the pushing of the PCB along the first direction is started; after the pushing is completed, the pushing assembly is rotated to the second pushing position, at which time the second pushing part is ready to take over the pushing work; when the pushing assembly is at the second pushing position, the second pushing part contacts the PCB, and the pushing of the PCB along the first direction is continued; after the pushing is completed, the pushing assembly is rotated again to the first pushing position, and the first pushing part is ready to push again; the pushing assembly rotates back and forth between the first pushing position and the second pushing position, and the first pushing part and the second pushing part are used alternately to push, so that continuous PCB conveying is realized. Through the back-and-forth rotation of the pushing assembly instead of linear movement along the first direction, the stroke of the pushing assembly along the first direction is reduced, the space required for the pushing action is greatly reduced, the space occupied by the whole mechanism is small, the mechanism can work in a more compact space, compared with the traditional linear pushing mechanism, this design significantly reduces the volume of the equipment, makes the equipment more compact, improves the space utilization of the equipment, and is suitable for a working environment with limited space.

[0023] On the other hand, the embodiment of the present application provides a conveying device, comprising a mobile chassis, a supporting frame, a lifting platform, a lifting mechanism, a material collecting mechanism, a material frame and the above-mentioned pushing mechanism, the supporting frame being arranged on the mobile chassis, the lifting platform, the lifting mechanism, the pushing mechanism and the material collecting mechanism being arranged on the supporting frame, and the material frame being arranged on the lifting platform.

[0024] The lifting mechanism is connected with the lifting platform and is used to drive the lifting platform to move along a third direction.

[0025] The conveying device has a pushing state and a material collecting state; when the conveying device is in the pushing state, the pushing mechanism can push the PCB in the material frame to the outside of the material frame.

[0026] When the transport device is in the material receiving state, the material receiving mechanism can receive the PCB outside the material frame into the material frame; wherein the first direction is perpendicular to the third direction. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic view of the material pushing mechanism when the material pushing assembly is in the first pushing position according to an embodiment of the present application;

[0028] Figure 2 is a structural schematic view of the material pushing mechanism when the material pushing assembly is in the second pushing position according to an embodiment of the present application;

[0029] Figure 3 is a structural schematic view of the material pushing mechanism when the material pushing assembly is in the first pushing position according to another embodiment of the present application;

[0030] Figure 4 is a structural schematic view of the material pushing assembly according to another embodiment of the present application; Figure 3

[0031] Figure 5 is a structural schematic view of the transport device according to an embodiment of the present application;

[0032] Figure 6 is a structural schematic view of the transport device according to an embodiment of the present application;

[0033] Figure 7 is a structural schematic view of the transport device according to an embodiment of the present application.

[0034] The reference signs in the specification are as follows:

[0035] 100, material pushing mechanism; 200, moving chassis; 300, supporting frame; 400, lifting platform; 500, material receiving mechanism; 600, material frame; 700, lifting mechanism;

[0036] 1, base; 2, mounting frame; 3, first material pushing part; 4, second material pushing part; 5, buffer; 6, air cylinder; 7, gear; 8, rack; 9, hollow structure; 11, first base plate; 12, second base plate; 21, first connecting section; 22, second connecting section; 13, driving motor; 14, first connecting strip; 15, second connecting strip; 16, third connecting strip; 17, first idler; 18, second idler. DETAILED DESCRIPTION

[0037] ​In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0038] As shown in Figures 1 to 5 The utility model discloses an embodiment provides a push material mechanism 100, is suitable for pushing PCB, including mounting bracket 2 and push material subassembly, mounting bracket 2 can move along the first direction;

[0039] Push material subassembly is connected around the rotation axis of mounting bracket 2, and push material subassembly has first push position and second push position, and push material subassembly can reciprocate rotation between first push position and second push position.

[0040] Push material subassembly still has first push material part 3 and second push material part 4, and one end of first push material part 3 is rotationally connected to the mounting bracket, and the other end is connected to second push material part 4.

[0041] When push material subassembly is in first push position, first push material part 3 can push PCB along the first direction.

[0042] When push material subassembly is in second push position, second push material part 4 can push PCB along the first direction. In the embodiment, the first direction is X direction, and through the alternate work of first push material part 3 and second push material part 4, the push action of two-stage pushing mode is realized, and the space occupied by the push material mechanism 100 is smaller, which can work in smaller space, and the space utilization of the equipment is improved, which is particularly important for the production environment with limited space. This not only can improve the production efficiency, but also makes the structure of the whole mechanism more compact. The compact structure not only reduces the floor area of the equipment, but also improves the stability and durability of the equipment.

[0043] In an embodiment, when push material subassembly is in first push position, second push material part 4, first push material part 3 and PCB are arranged in sequence along the first direction.

[0044] When push material subassembly is in second push position, first push material part 3, second push material part 4 and PCB are arranged in sequence along the first direction. In the embodiment, the rotation axis is perpendicular to the first direction and the second direction, and by rotating, the push position of push material subassembly can be changed, the position of first push material part 3 and second push material part 4 relative to PCB can be flexibly adjusted, so that one of first push material part 3 and second push material part 4 pushes material, avoids the interference of first push material part 3 and second push material part 4 when pushing material, and can ensure the accurate movement of PCB in the production process.

[0045] In an embodiment, the first pushing part 3 comprises a first pushing rod, one end of the first pushing rod is rotationally connected to the mounting frame 2, and the other end is connected to the second pushing part 4; when the pushing assembly is in the first pushing position, the first pushing rod extends in the second direction;

[0046] When the pushing assembly is in the second pushing position, the first pushing rod extends in the first direction;

[0047] In this embodiment, the first direction is the X direction, and the second direction is the Y direction. The second pushing part 4 comprises a second pushing rod, and the first pushing rod and the second pushing rod form an L-shaped pushing assembly. This structure enables the pushing assembly to perform effective pushing action in a limited space without the need for additional vertical space, thereby improving the utilization efficiency of the space. At the same time, the pushing assembly is rotated by 90° counterclockwise to the second position, making it simple and direct to switch the pushing assembly between the two pushing positions. This design simplifies the complexity of mechanical transmission, reduces the operation difficulty, saves space, and simplifies the overall mechanical layout, which helps to improve the integration and aesthetics of the production line. In other embodiments, the pushing assembly is a straight rod structure, the first pushing part 3 is the side surface of the long side of the pushing assembly, and the second pushing part 4 is the side surface of the short side of the pushing assembly.

[0048] In an embodiment, the pushing assembly further comprises a buffer 5, the buffer 5 is used to reduce the collision between the pushing assembly and the PCB, and at least one of the first pushing part 3 and the second pushing part 4 is provided with the buffer 5. In this embodiment, the buffer 5 comprises a plastic part and a spring, and the buffer 5 is provided on the second pushing part 4. When the pushing assembly is in the first pushing position, the buffer 5 extends in the second direction. The presence of the buffer 5 can significantly reduce the impact force generated when the pushing assembly pushes the PCB, thereby reducing the risk of damage to the PCB and ensuring the integrity and functionality of the PCB during the production process.

[0049] In an embodiment, the pushing mechanism 100 further comprises a first driving assembly, the first driving assembly is arranged on the mounting frame 2, one end of the first driving assembly is connected to the end of the first pushing part away from the second pushing part; the first driving assembly is used to drive the pushing assembly to reciprocate between the first pushing position and the second pushing position. In this embodiment, by adding the first driving assembly, the pushing mechanism 100 can realize automatic control and reduce manual intervention, thereby improving the automation degree and efficiency of the production line. At the same time, the first driving assembly can accurately control the rotation of the pushing assembly to ensure accurate switching between the first pushing position and the second pushing position, thereby improving the accuracy and reliability of pushing the PCB.

[0050] In an embodiment, the first driving assembly comprises a cylinder 6, a gear 7 and a rack 8, the cylinder 6 is arranged on the mounting frame 2, the gear 7 is connected to one end of the first pushing part 3, the rack 8 is arranged at one end of the cylinder 6, and the gear 7 is engaged with the rack 8. In this embodiment, the first driving assembly realizes the reciprocating rotation of the pushing assembly through the combination of the cylinder 6, the gear 7 and the rack 8. After receiving the control signal, the cylinder 6 realizes the telescopic action. With the telescopic action of the cylinder 6, the rack 8 moves linearly. The rack 8 is engaged with the gear 7, and the movement of the rack 8 causes the gear 7 to rotate around the input end of the pushing assembly. The rotation of the gear 7 is transmitted through the input end of the pushing assembly, so that the pushing assembly realizes the reciprocating rotation between the first pushing position and the second pushing position, and then the first pushing part 3 and the second pushing part 4 can push the PCB in turn. By using the first driving assembly combined with the cylinder 6, the gear 7 and the rack 8, not only the structure is simple and the cost is low, but also accurate and reliable pushing action can be provided, and the production efficiency and equipment reliability are improved.

[0051] In an embodiment, the cylinder 6 is arranged along a second direction on the mounting frame 2, and the first direction is perpendicular to the second direction. In this embodiment, by arranging the cylinder 6 along the second direction, the telescopic action of the cylinder 6 can be performed in a direction perpendicular to the movement direction of the PCB, which can minimize the occupation of the overall space by the action of the cylinder 6, so that the equipment layout is more compact. This layout can effectively save space and reduce the floor area occupied by the equipment.

[0052] In an embodiment, the pushing mechanism 100 further comprises a second driving assembly and a base 1, the base 1 comprises a first base plate 11 and a second base plate 12, the mounting frame 2 is connected to the first base plate 11, the first base plate 11 is slidingly connected to the second base plate 12 along the first direction, the second driving assembly is arranged on the second base plate 12 and connected to the first base plate 11, and the second driving assembly is used to drive the first base plate 11 to slide relative to the second base plate 12 along the first direction. In this embodiment, the base 1 provides stable support for the mounting frame 2, so that the mounting frame 2 and the pushing assembly thereon can remain stable during sliding and are not prone to shaking or tilting, which helps to improve the accuracy and stability of pushing, and ensures that the PCB can be pushed smoothly and accurately to the target position. The design of the second driving assembly makes the movement of the first base plate 11 more stable, and through the two-layer sliding structure, the movement range of the pushing mechanism 100 can be increased, so that the pushing mechanism 100 can cover a larger working area.

[0053] In one embodiment, the second drive assembly includes a drive motor 11, a driving wheel, a driven wheel, a first connecting bar 14, and a fixing base. The drive motor 11 and the driven wheel are arranged on the second base plate, the driving wheel is provided at the output end of the drive motor 11, the first connecting bar 14 is wound around the driving wheel and the driven wheel, and the first connecting bar 14 is connected end to end. The fixing base is mounted on the first connecting bar 14 and the fixing base is connected to the first base plate. The drive motor 11 drives the first base plate to move in the first direction via the first connecting bar 14. In this embodiment, the first connecting bar 14 can be a belt or a chain. The first connecting bar 14 connects the driving wheel and the driven wheel, thereby achieving stable movement of the first base plate in the first direction.

[0054] In one embodiment, the pushing mechanism 100 further includes a transmission assembly, which further includes a second connecting bar 15, a third connecting bar 16, a first idler wheel 17, and a second idler wheel 18. The first idler wheel 17 and the second idler wheel 18 are respectively mounted on opposite ends of the first substrate along the first direction. The second connecting bar 15 is wound around the first idler wheel 17, and the two ends of the second connecting bar 15 are respectively connected to the second substrate and the mounting frame; the third connecting bar 16 is wound around the second idler wheel 18, and the two ends of the third connecting bar 16 are respectively connected to the second substrate and the mounting frame;

[0055] When the first substrate moves in the first direction, the second connecting bar 15 or the third connecting bar 16 can drive the mounting frame to move in the first direction, thereby driving the PCB in the first direction through the pusher assembly. In this embodiment, by precisely designing the position and size of the connecting bars and idler wheels, precise control of the movement of the first substrate in the first direction can be achieved. By adding the second and third connecting bars 15, 16, as well as the first and second idler wheels 17, 18, the stability of the system during movement is enhanced. This design reduces the risk of system failure due to failure of a single connecting bar or idler wheel, thereby improving the reliability of the entire system.

[0056] In one embodiment, the mounting frame 2 includes a first connecting section 21 and a second connecting section 22. The first connecting section 21 is slidably connected to the base 1, and the pusher assembly is connected to the second connecting section 22. The bottom end of the first connecting section 21 protrudes from the bottom surface of the base 1, and the end of the second connecting section 22 closest to the base 1 is connected to the bottom end of the first connecting section 21. In this embodiment, by positioning the pusher assembly below the base 1, vertical space can be effectively utilized and the horizontal floor space can be reduced.

[0057] In an embodiment, the first pushing part 3 and the second pushing part 4 are both provided with a hollow structure 9, the hollow structure 9 on the first pushing part 3 penetrates the first pushing part 3 along a third direction, the hollow structure 9 on the second pushing part 4 penetrates the second pushing part 4 along the third direction, and the first direction is perpendicular to the third direction. In this embodiment, the third direction is the Z direction, and the hollow structure 9 does not penetrate the working surface for pushing the PCB, so that the cross-sectional area of the first pushing part 3 and the second pushing part 4 in contact with the PCB is not reduced, and sufficient pushing strength and stability are maintained. Through the hollow design, unnecessary materials can be removed without sacrificing the strength of the pushing part, so that the materials can be used more effectively and waste can be reduced.

[0058] According to the pushing mechanism 100 provided in the embodiment of the utility model, the pushing assembly is at the first pushing position, the first pushing part 3 is in contact with the PCB, and the pushing of the PCB along the first direction is started, after the pushing is completed, the pushing assembly is rotated to the second pushing position, at this time, the second pushing part 4 is ready to take over the pushing work, the pushing assembly is at the second pushing position, the second pushing part 4 is in contact with the PCB, and the pushing of the PCB along the first direction is continued, after the pushing is completed, the pushing assembly is rotated back to the first pushing position again, the first pushing part 3 is ready to push again, and the pushing assembly reciprocates between the first pushing position and the second pushing position, and the first pushing part 3 and the second pushing part 4 are used alternately to push, so that continuous PCB conveying is realized. Through the reciprocating rotation of the pushing assembly, instead of linear movement along the first direction, the stroke of the pushing assembly in the first direction is reduced, the space required for the pushing action is greatly reduced, the space occupied by the whole mechanism is small, the mechanism can work in a more compact space, compared with the traditional linear pushing mechanism, this design significantly reduces the volume of the equipment, makes the equipment more compact, improves the space utilization of the equipment, and is suitable for working environment with limited space.

[0059] In addition, as shown in Figure 6 and Figure 7 An embodiment of the utility model provides a conveying device, which comprises a mobile chassis 200, a supporting frame 300, a lifting platform 400, a lifting mechanism 700, a material collecting mechanism 500, a material frame 600 and the pushing mechanism 100 of the above-mentioned embodiment, the supporting frame 300 is arranged on the mobile chassis 200, the lifting platform 400, the lifting mechanism 700, the pushing mechanism 100 and the material collecting mechanism 500 are arranged on the supporting frame 300, and the material frame 600 is arranged on the lifting platform 400.

[0060] The lifting mechanism 700 is connected with the lifting platform 400 and is used for driving the lifting platform 400 to move along a third direction.

[0061] The conveying device has a pushing state and a material collecting state, when the conveying device is in the pushing state, the pushing mechanism 100 can push the PCB in the material frame 600 to the outside of the material frame 600.

[0062] When the transport device is in the material receiving state, the material receiving mechanism 500 can receive the PCB outside the material frame 600 into the material frame 600; wherein the first direction is perpendicular to the third direction. In this embodiment, the third direction is the Z direction, and the moving chassis 200 can automatically carry the material frame 600, reducing the need for manual carrying and greatly improving the logistics efficiency. The lifting mechanism 700 can be a driving structure composed of a cylinder, a sliding rail and the like, or a driving structure composed of a motor, a driving wheel, a driven wheel and a chain. When pushing the material, the pushing mechanism 100 pushes the PCB to move. The material receiving assembly can be a structure composed of a cylinder and a mechanical hand, and when receiving the material, the material receiving mechanism 500 can clamp the PCB to move. By integrating the lifting mechanism 700, the pushing mechanism 100 and the material receiving mechanism 500, the transport device can automatically complete the carrying task of the PCB without manual intervention. This not only improves the production efficiency, but also reduces the labor cost, realizes the automation and intelligentization of the production line.

[0063] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pusher mechanism adapted to push a PCB, characterized in that, The pushing mechanism comprises a mounting frame and a pushing assembly, the mounting frame is movable along a first direction; The pushing assembly is rotatably connected to the mounting frame, the pushing assembly has a first pushing position and a second pushing position, and the pushing assembly is reciprocally rotatable between the first pushing position and the second pushing position; The pushing assembly further comprises a first pushing part and a second pushing part, one end of the first pushing part is rotatably connected to the mounting frame, and the other end of the first pushing part is connected to the second pushing part; When the pushing assembly is in the first pushing position, the first pushing part is capable of pushing the PCB along the first direction; When the pushing assembly is in the second pushing position, the second pushing part is capable of pushing the PCB along the first direction.

2. The pusher mechanism of claim 1, wherein, The first pushing part comprises a first pushing rod, one end of the first pushing rod is rotatably connected to the mounting frame, and the other end of the first pushing rod is connected to the second pushing part; When the pushing assembly is in the first pushing position, the first pushing rod extends along a second direction; When the pushing assembly is in the second pushing position, the first pushing rod extends along the first direction; The first direction is perpendicular to the second direction.

3. The pusher mechanism of claim 1, wherein, The pushing assembly further comprises a buffer, the buffer is used to slow down the collision between the pushing assembly and the PCB, and at least one of the first pushing part and the second pushing part is provided with the buffer.

4. The pusher mechanism of claim 1, wherein, The pushing mechanism further comprises a first driving assembly, the first driving assembly is arranged on the mounting frame, one end of the first driving assembly is connected to the end of the first pushing part which is away from the second pushing part; The first driving assembly is used to drive the pushing assembly to reciprocally rotate between the first pushing position and the second pushing position.

5. The pusher mechanism of claim 4, wherein, The first driving assembly comprises a cylinder, a gear and a rack, the cylinder is arranged on the mounting frame, one end of the gear is connected to the first pushing part, and the rack is arranged on one end of the cylinder, the gear is engaged with the rack.

6. The pusher mechanism of claim 5, wherein, The cylinder is arranged on the mounting frame along a second direction, and the first direction is perpendicular to the second direction.

7. The pusher mechanism of claim 1, wherein, The pushing mechanism further comprises a second driving assembly and a base, the base comprises a first base plate and a second base plate, the mounting frame is connected to the first base plate, the first base plate is slidably connected to the second base plate along the first direction, the second driving assembly is arranged on the second base plate and connected to the first base plate, and the second driving assembly is used to drive the first base plate to slide relative to the second base plate along the first direction.

8. The pusher mechanism of claim 7, wherein, The second driving assembly comprises a driving motor, a driving wheel, a driven wheel, a first connecting strip and a fixing seat, the driving motor and the driven wheel are arranged on the second base plate, the driving wheel is arranged on the output end of the driving motor, the first connecting strip is arranged around the driving wheel and the driven wheel, and the first connecting strip is connected at its head and tail, the fixing seat is mounted on the first connecting strip and connected to the first base plate, and the driving motor drives the first base plate to move along the first direction through the first connecting strip.

9. The pusher mechanism of claim 8, wherein, The pushing mechanism further comprises a transmission assembly, the transmission assembly comprising a second connecting strip, a third connecting strip, a first idler and a second idler, the first idler and the second idler being respectively installed on two ends of the first base plate opposite along the first direction, the second connecting strip being wound around the first idler, and two ends of the second connecting strip being respectively connected to the second base plate and the mounting frame; the third connecting strip being wound around the second idler, and two ends of the third connecting strip being respectively connected to the second base plate and the mounting frame. When the first base plate moves along the first direction, the mounting frame can be driven to move along the first direction by the second connecting strip or the third connecting strip, and the PCB can be driven to move along the first direction by the pushing mechanism.

10. A transport device, characterized by The transport device comprises a moving chassis, a supporting frame, a lifting platform, a lifting mechanism, a material collecting mechanism, a material frame and the pushing mechanism according to any one of claims 1-9, the supporting frame being arranged on the moving chassis, the lifting platform, the lifting mechanism, the pushing mechanism and the material collecting mechanism being arranged on the supporting frame, and the material frame being arranged on the lifting platform. The lifting mechanism is connected to the lifting platform and is used to drive the lifting platform to move along a third direction. The transport device has a pushing state and a collecting state, when the transport device is in the pushing state, the pushing mechanism can push the PCB in the material frame to the outside of the material frame. When the transport device is in the collecting state, the material collecting mechanism can collect the PCB outside the material frame into the material frame; wherein the first direction is perpendicular to the third direction.

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