Vehicle cover plate dismounting and reflow line

Abstract

The utility model discloses a kind of carrier cover plate dismounting reflow lines, including cover plate dismounting machine, cover plate assembling machine and cover plate reflow conveying device;Wherein, the opposite ends of cover plate reflow conveying device are respectively with cover plate dismounting machine and cover plate assembling machine butt joint, for conveying the cover plate of cover plate dismounting machine dismounting to cover plate assembling machine;Cover plate dismounting machine is equipped with the first manipulator for carrying out cover plate dismounting and transfer, and cover plate assembling machine is equipped with the second manipulator for carrying out cover plate transfer and assembly;First manipulator and second manipulator are equipped with clamping assembly and rotating assembly, clamping assembly includes the clamping arm of relative arrangement to hold cover plate and the clamping drive mechanism of driving clamping arm, rotating assembly includes rotating head and motor for driving rotating head rotation, and rotating head is equipped with with the knob cooperation of locking mechanism on cover plate to drive knob rotation Engagement slot.The utility model can carry out the unlocking dismounting, reflow and locking assembly of cover plate with locking mechanism, realize the automatic recycling of cover plate.

Description

Technical Field

[0001] This utility model relates to the field of circuit board processing; more specifically, it relates to a carrier cover plate disassembly and reassembly line used in conjunction with circuit board processing equipment. Background Technology

[0002] In the circuit board manufacturing process, carrier assemblies are often used to support the circuit board and facilitate its processing (such as soldering electronic components onto the circuit board). A typical carrier assembly includes a carrier base plate and a cover plate. Before processing, the circuit board is placed on the carrier base plate, and then the cover plate is assembled on the carrier base plate to achieve accurate positioning of the circuit board.

[0003] In the prior art, some vehicle components have a locking mechanism on their cover plates to lock the cover plates to the vehicle base plate. After the circuit board is manufactured, the cover plates need to be disassembled for rework. During the rework process, the disassembly and reassembly of the cover plates require manual rotation of the locking mechanism knob for unlocking and locking, which is not only inefficient but also prone to damaging the cover plates. Utility Model Content

[0004] The main purpose of this utility model is to provide a carrier cover return line with cover unlocking and disassembly, return and locking assembly functions, so as to realize the automatic recycling of cover plates with locking mechanisms.

[0005] To achieve the aforementioned main objectives, this utility model discloses a carrier cover plate disassembly and reassembly return line, comprising a cover plate disassembly machine, a cover plate assembly machine, and a cover plate return conveying device; wherein, the opposite ends of the cover plate return conveying device are respectively connected to the cover plate disassembly machine and the cover plate assembly machine, for conveying the cover plates disassembled by the cover plate disassembly machine to the cover plate assembly machine; the cover plate disassembly machine is equipped with a first robotic arm for disassembling and transferring the cover plates, and the cover plate assembly machine is equipped with a second robotic arm for transferring and assembling the cover plates; the lifting modules of the first robotic arm and the second robotic arm are each equipped with a clamping assembly and a rotating assembly, the clamping assembly including a clamping arm disposed opposite to each other to clamp the cover plate and a clamping drive mechanism for driving the clamping arm, the rotating assembly including a rotating head and a motor for driving the rotating head to rotate, and the rotating head having a engagement groove that cooperates with a knob of a locking mechanism on the cover plate to drive the knob to rotate.

[0006] According to a specific embodiment of the present invention, the cover plate dismantling machine further includes a first conveying device, a second conveying device, and a first lifting conveying device. The first conveying device is used to receive the carrier assembly of the cover plate to be dismantled. The second conveying device and the first conveying device are parallel to each other. The first robotic arm can place the dismantled cover plate onto the second conveying device. The first lifting conveying device can move up and down between the height of docking with the second conveying device and the height of docking with the cover plate return conveying device, so as to transfer the cover plate on the second conveying device to the cover plate return conveying device.

[0007] Furthermore, the cover plate dismantling machine is also equipped with a cover plate replenishment platform and a first cover plate buffer platform; wherein, the first cover plate buffer platform is disposed between the first conveying device and the second conveying device, and is located on the movement path of the first manipulator; the cover plate replenishment platform is disposed below the cover plate return conveying device, and the cover plates on the cover plate replenishment platform can be conveyed to the cover plate return conveying device through the first lifting conveying device.

[0008] Furthermore, the number of the first conveying devices is two, and the two first conveying devices are arranged side by side; the cover plate removal machine is also equipped with two first detection cameras, which can be moved above the two first conveying devices respectively for detection.

[0009] According to a specific embodiment of the present invention, the cover plate assembly machine includes a second lifting conveying device, a third conveying device, and a fourth conveying device. The second lifting conveying device can move up and down between the height of docking with the third conveying device and the height of docking with the cover plate return conveying device, so as to convey the cover plate on the cover plate return conveying device to the third conveying device. The third conveying device and the fourth conveying device are parallel to each other. The second robot can install the cover plate received by the third conveying device onto the carrier base plate conveyed by the fourth conveying device to form a carrier assembly.

[0010] Furthermore, the third conveying device is equipped with a barcode scanning module and a second inspection camera. The second inspection camera is used to perform defect detection on the cover plate from below the third conveying device, and the barcode scanning module is used to scan the cover plate from above the third conveying device.

[0011] Furthermore, the third conveying device is provided with linear lighting sources on one side or opposite sides, which are used to illuminate the upper surface of the cover plate to assist the scanning module in scanning.

[0012] Furthermore, the cover plate assembly machine is also equipped with a waste plate output platform and a second cover plate buffer platform; wherein, the second cover plate buffer platform is located between the third conveying device and the fourth conveying device, and is located on the movement path of the second robot arm; the waste plate output platform is located on the side of the cover plate assembly machine opposite to the cover plate return conveying device, and is connected to the third conveying device, and unqualified cover plates can be conveyed from the third conveying device to the waste plate output platform.

[0013] Furthermore, the number of the fourth conveying devices is two, and the two fourth conveying devices are arranged side by side; the cover plate dismantling machine is also equipped with two third detection cameras, which can be moved above the two fourth conveying devices respectively for detection.

[0014] According to a specific embodiment of the present invention, the cover plate return conveying device is provided with an upper conveyor belt, a lower conveyor belt and a cooling module. The upper conveyor belt and the lower conveyor belt can independently convey the cover plates, and the cooling module can blow cooling airflow onto the conveyed cover plates to cool them down.

[0015] In this utility model, the two ends of the cover plate return conveying device are respectively connected to the cover plate disassembly machine and the cover plate assembly machine. The first manipulator of the cover plate disassembly machine and the second manipulator of the cover plate assembly machine are both equipped with a clamping component and a rotating component. The rotating head of the rotating component is equipped with a mating groove that cooperates with the knob of the locking mechanism on the cover plate, so as to drive the knob to rotate to realize the automatic unlocking and locking of the cover plate, and cooperate with the clamping component to realize the disassembly and assembly of the cover plate, realizing the automatic cyclic use of the cover plate with the locking mechanism.

[0016] Furthermore, the third conveying device of the cover plate assembly machine is equipped with a barcode scanning module for scanning the cover plates and a second inspection camera for detecting defects in the cover plates, so as to realize traceability management of the cover plates (including qualified and unqualified cover plates) through barcode scanning.

[0017] To more clearly illustrate the purpose, technical solution, and advantages of this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of an embodiment of the vehicle cover return line of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the cover plate removal machine after removing the outer shell in the embodiment;

[0020] Figure 3 This is a top view of the structure after the cover plate removal machine removes the outer shell in the embodiment;

[0021] Figure 4 This is a structural diagram of the first robotic arm and the first conveying device in the embodiment;

[0022] Figure 5 This is a structural diagram of the robotic arm lifting module in the embodiment;

[0023] Figure 6 yes Figure 5 A magnified view of a portion of the document;

[0024] Figure 7 This is a three-dimensional structural diagram of the cover plate assembly machine after removing the outer shell in the embodiment;

[0025] Figure 8 This is a top view of the cover plate assembly machine after removing the outer shell in the embodiment;

[0026] Figure 9 This is a structural diagram of the third conveying device and the second detection camera in the embodiment. Detailed Implementation

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0028] The carrier cover return line described as an example can be used with circuit board processing equipment (e.g., SMT soldering oven) to achieve unlocking, disassembly, return, and locking assembly of covers with locking mechanisms. Figure 1 As shown, the cover plate return line includes a cover plate disassembly machine 10, a cover plate assembly machine 20, and a cover plate return conveying device 30. The cover plate return conveying device 30 is arranged side-by-side with the circuit board processing equipment 40, and the opposite ends of the cover plate return conveying device 30 and the circuit board processing equipment 40 are respectively connected to the cover plate disassembly machine 10 and the cover plate assembly machine 20. The cover plate return conveying device 30 is equipped with a conveyor belt 31 for transporting the cover plates disassembled by the cover plate disassembly machine 10 to the cover plate assembly machine 20 for reinstallation. Preferably, the cover plate return conveying device 30 is equipped with a cooling module that can blow cooling airflow onto the conveyed cover plates for cooling.

[0029] The cover plate removal machine 10 connects to the discharge end of the circuit board processing equipment 40. After the carrier assembly carrying the processed circuit board enters the cover plate removal machine 10 from the discharge end of the circuit board processing equipment 40, the cover plate removal machine 10 unlocks and removes the cover plate, and conveys the carrier base plate carrying the processed circuit board to the next station. The removed cover plate is then conveyed to the cover plate return conveyor 30, and subsequently conveyed by the cover plate return conveyor 30 to the cover plate assembly machine 20. The cover plate assembly machine 20 connects to the inlet end of the circuit board processing equipment 40. After the carrier base plate carrying the circuit board to be processed, which is input from the previous station, enters the cover plate assembly machine 20, the cover plate assembly machine 20 locks and assembles the cover plate onto the carrier base plate to form a carrier assembly, and then conveys the carrier assembly carrying the circuit board to be processed to the circuit board processing equipment 40 for processing.

[0030] like Figure 2 and Figure 3 As shown, the cover plate removal machine 10 includes a first conveying device 11, a first robotic arm 12, a first lifting conveying device 13, and a second conveying device 14. The first conveying device 11 connects to the discharge end of the circuit board processing equipment 40 to receive the carrier assembly of the cover plate to be removed, and conveys the carrier base plate and the circuit board on it after cover plate removal to the subsequent workstation. In this invention, the number of first conveying devices 11 can be one or more, preferably including two first conveying devices 11 arranged side by side to improve return efficiency. Figure 2 and Figure 4 As shown, the cover removal machine 10 is also equipped with two first detection cameras 18. The two first detection cameras 18 can be moved above the two first conveying devices 11 respectively for detection. For example, they can detect whether the carrier component has entered the first conveying device 11 and detect the position of the carrier component, so that the first robot arm 12 can accurately remove the cover.

[0031] Both the first conveying device 11 and the second conveying device 14 can use conveyor belts for transportation. The first conveying device 11 will be used as an example for explanation. Figure 4 As shown, the first conveying device 11 includes a pair of conveying side plates 111 and a conveyor belt 112 installed on opposite sides of the conveying side plates 111. The conveying action is performed when the conveyor belt 112 rotates. Preferably, the relative position of the two oppositely arranged conveying side plates 111 is adjustable. For example, at least one conveying side plate 111 is connected to a lead screw translation mechanism to adjust the width between the two conveying side plates 111, thereby adapting to carrier assemblies of different sizes.

[0032] The first robotic arm 12 is used to disassemble the cover plate of the carrier assembly and transfer the disassembled cover plate to the second conveying device 14. The second conveying device 14 and the first conveying device 11 are parallel to each other, for example, they are set to be parallel to each other in the Y direction, and their conveying direction is the X direction. Preferably, a first cover plate buffer platform 16 is provided between the second conveying device 14 and the first conveying device 11. The first robotic arm 12 can first place the disassembled cover plate on the first cover plate buffer platform 16 for temporary storage and then place it on the second conveying device 14 as needed, or it can directly place the disassembled cover plate on the second conveying device 14 to flexibly control the conveying / returning process of the cover plate so that the conveying / returning process of the cover plate matches the output speed requirements of the circuit board processing equipment.

[0033] like Figure 4 and Figure 5 As shown, the first robotic arm 12 includes a lifting module 121 and a Y-axis translation module 122 connected to each other. The lifting module 121 is provided with a clamping component 123 and a rotating component 124. The rotating component 124 is used to unlock the locking mechanism on the cover plate 510, and the clamping component 123 is used to clamp the cover plate 510 to remove the unlocked cover plate 510 from the carrier base plate 520.

[0034] like Figure 6 As shown, the locking mechanism includes a locking rod 533 with a knob 531 and a locking head 532. The locking rod 533 passes through the cover plate 510, and a compression spring 534 is sleeved on the locking rod 533. The two ends of the compression spring 534 abut against the knob 531 and the cover plate 510, respectively. The vehicle base plate 520 has a locking hole 521 that matches the shape of the locking head 532. The locking head 532 can pass through the locking hole 521 and rotate a certain angle (e.g., 90°) with the locking rod 533 before abutting against the vehicle base plate 520 and being unable to disengage from the locking hole 521. Thus, under the elastic force of the compression spring 534, the cover plate 510 is locked onto the vehicle base plate 520. When unlocking the locking mechanism, the locking head 532 needs to be rotated to an angle that allows it to disengage from the locking hole 521.

[0035] Specifically, the clamping assembly 123 includes clamping arms 1231 arranged opposite each other to clamp the cover plate and a clamping drive mechanism (not visible in the figure, but may be a bidirectional screw drive mechanism) for driving the clamping arms 1231. The clamping arms 1231 may have a lateral protrusion 1232. When the two clamping arms 1231 approach each other, the lateral protrusion 1232 is horizontally inserted into the gap between the cover plate 510 and the carrier base plate 520 to clamp the cover plate 510. The rotating assembly 124 includes a rotating head 1242 and a motor 1241 for driving the rotating head 1242 to rotate. The rotating head 1242 has a engagement groove 1243, which engages with the knob 531 of the locking mechanism to drive the knob 531 to rotate. When removing the cover plate, the lifting module 121 descends to the height at which the clamping arm 1231 clamps the cover plate. At this time, the knob 531 is inserted into the engagement groove 1243, and the rotating head 1242 drives the knob 531 / locking rod 533 to rotate to the angle at which the locking head 532 can disengage from the lock hole 521. Then the lifting module 121 rises, and the clamping assembly 123 / clamping arm 1231 can remove the cover plate from the carrier base plate.

[0036] The first lifting conveyor 13 can also use a conveyor belt for transport, which will not be described in detail here. The first lifting conveyor 13 can lift between the height of the docking with the second conveyor 14 and the height of the docking with the cover plate return conveyor 30, so as to transfer the cover plate on the second conveyor 14 to the cover plate return conveyor 30. Specifically, the first lifting conveyor 13 is connected to the first lifting drive 15 located beside it, and the height is adjusted by the first lifting drive 15. The first lifting drive 15 can be a screw lifting mechanism, but is not limited to it.

[0037] When the first lifting conveyor 13 is at the height of the docking second conveyor 14, the conveyor belts of the two are aligned with each other in the height direction, and the cover plate can be conveyed from the second conveyor 14 to the first lifting conveyor 13; when the first lifting conveyor 13 is at the height of the docking cover plate return conveyor 30, the conveyor belts of the two are aligned with each other in the height direction, and the cover plate can be conveyed from the first lifting conveyor 13 to the return conveyor 30.

[0038] Furthermore, the cover plate removal machine 10 is also equipped with a cover plate replenishment platform 17, which is located below the cover plate return device 30. The cover plates on the cover plate replenishment platform 17 can be conveyed to the cover plate return conveying device 30 through the first lifting conveying device 13. The cover plate replenishment platform 17 is located below the cover plate return device 30, which can make full use of the space below the cover plate return device 30.

[0039] For example, the cover plate replenishment platform 17 includes a conveyor belt and a lifting pallet, the lifting pallet being height-adjustable by a lifting drive mechanism (not visible in the figure) located below it. During operation, the lifting pallet first rises to a height to receive the covers to be replenished to the return line, then descends so that the replenished covers are received by the conveyor belt. The first lifting conveyor device 13 descends to a height to dock with the cover plate replenishment platform 17, and the covers on the cover plate replenishment platform 17 can then be conveyed to the first lifting conveyor device 13, and then to the cover plate return conveyor device 30 via the first lifting conveyor device 13.

[0040] like Figures 7 to 9 As shown, the cover plate assembly machine 20 includes a third conveying device 24, a second robotic arm 22, a second lifting conveying device 23, and a fourth conveying device 21. The third conveying device 24, the second lifting conveying device 23, and the fourth conveying device 21 can also be conveyed by conveyor belts, which will not be elaborated here. The fourth conveying device 21 can be one or more, preferably two; the fourth conveying device 21 and the first conveying device 11 are aligned with each other, making the overall layout of the return line simpler and more reasonable.

[0041] The second lifting conveyor 23 can move up and down between the height of the docking third conveyor 24 and the height of the docking cover plate return conveyor 30, so as to convey the cover plate on the cover plate return conveyor 30 to the third conveyor 24. Specifically, the second lifting conveyor 23 is connected to the second lifting drive 25 disposed beside it, and the height is adjusted by the second lifting drive 25. The second lifting drive 25 can be a screw lifting mechanism, but is not limited thereto.

[0042] When the second lifting conveyor 23 is adjusted to the height of the docking cover plate return conveyor 30, the conveyor belts of the two are aligned with each other in the height direction, and the cover plate can be conveyed from the cover plate return conveyor 30 to the second lifting conveyor 23; when the second lifting conveyor 23 is at the height of the docking third conveyor 24, the conveyor belts of the two are aligned with each other in the height direction, and the cover plate can be conveyed from the second lifting conveyor 23 to the third conveyor 24.

[0043] Furthermore, such as Figure 7 and Figure 9 As shown, a barcode scanning module 241 is installed above the third conveying device 24. The barcode scanning module 241 scans the identification code (e.g., QR code) on the cover plate from above the third conveying device 24 to facilitate traceability management of the cover plate. The barcode scanning module 241 can be fixedly installed above the third conveying device 24, and its scanning range can be as follows: Figure 8The cover plate is covered to enable rapid barcode scanning. Preferably, the third conveying device 24 has linear illumination sources 242 on one side or opposite sides. The illumination sources 242 are used to illuminate the upper surface of the cover plate to assist the barcode scanning module 241 in scanning.

[0044] A second inspection camera 243 is also disposed below the third conveying device 24. The second inspection camera 243 is used to inspect the cover plate for defects from below the third conveying device 24. Further, the second inspection camera 243 is configured to move horizontally under the drive of the translation drive mechanism 28, preferably simultaneously along the X and Y directions. The second inspection camera 242 can detect the pressure pin 511 on the cover plate 510 for insertion into the carrier base plate 520 (see...). Figure 5 Check for defects such as detachment, damage / deformation, or protrusion height exceeding the preset range to prevent unqualified cover plates from being used incorrectly and affecting the quality of circuit board processing.

[0045] The fourth conveyor 21 and the third conveyor 24 are parallel to each other. The fourth conveyor 21 is used to dock with the feed end of the circuit board processing equipment 40. The carrier base plate carrying the circuit board is conveyed from the previous station to the fourth conveyor 21. After the cover plate is installed on the fourth conveyor 21, the carrier assembly carrying the circuit board is conveyed by the fourth conveyor 21 to the circuit board processing equipment 40 for processing. The number of fourth conveyors 21 can be one or more. Preferably, the cover plate assembly machine 20 includes two fourth conveyors 21 arranged side by side to improve conveying efficiency. The cover plate assembly machine 20 is also provided with two third inspection cameras 28. The two third inspection cameras 28 can be moved above the two fourth conveyors 21 respectively for inspection, such as detecting whether the cover plate is correctly installed.

[0046] The second robotic arm 22 is used to install the cover plate received by the third conveying device 24 onto the carrier base plate conveyed by the fourth conveying device 21 to form a carrier assembly. The structure of the second robotic arm 22 is the same as that of the first robotic arm 12, except that its assembly action differs from the disassembly action of the first robotic arm 12. Specifically, when assembling the cover plate, the lifting module of the second robotic arm 22 moves above the carrier base plate and descends to a set height. During the descent, the knob of the locking mechanism on the cover plate is inserted into the engagement groove of the rotating head, and the locking rod is pressed down by the rotating head. After the locking head passes through the lock hole, the rotating head drives the knob / locking rod to rotate to an angle where the locking head cannot be dislodged from the lock hole to lock the cover plate. Then, the clamping assembly releases the clamp on the cover plate, completing the locking assembly of the cover plate.

[0047] Preferably, a second cover plate buffer platform 26 is provided between the third conveying device 24 and the fourth conveying device 21. The second robot arm 12 can directly assemble the cover plates that return to the third conveying device 24 onto the carrier base plate conveyed by the fourth conveying device 21, or it can first place the cover plates that return to the third conveying device 24 onto the second cover plate buffer platform 26 for temporary storage, and then assemble them onto the carrier base plate conveyed by the fourth conveying device 21 as needed, so as to match the feeding speed requirements of the circuit board processing equipment.

[0048] Furthermore, the cover plate assembly machine 20 is also equipped with a waste plate output platform 27. The waste plate output platform 27 is located on the side of the cover plate assembly machine 20 opposite to the cover plate return conveyor 30 and aligned with the third conveyor 24. Unqualified cover plates can be conveyed from the third conveyor 24 to the waste plate output platform 27 via the second lifting conveyor 23. The waste plate output platform 27 can be located outside the cover plate assembly machine 20 (e.g., ...). Figure 1 (As shown), to facilitate the removal of defective cover plates. The structure of the waste plate output platform 27 can be referred to the cover plate supplement platform 17, and will not be described again.

[0049] In this embodiment, the cover plate return device 30, the first lifting conveyor device 13, and the second lifting conveyor device 23 preferably each include an upper conveyor belt and a lower conveyor belt. The upper and lower conveyor belts can simultaneously convey the cover plates to improve conveying efficiency and reduce the area occupied by the return line. The cooling module of the cover plate return conveyor device 30 is configured to simultaneously blow cooling airflow onto the cover plates conveyed by its upper and lower conveyor belts for cooling.

[0050] Although the present invention has been described above through embodiments, it should be understood that any equivalent changes made by those skilled in the art without departing from the scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A carrier cover plate disassembly and reflow line, comprising a cover plate disassembly machine, a cover plate assembly machine and a cover plate reflow conveying device; wherein, The cover plate return conveying device is connected at opposite ends to the cover plate disassembly machine and the cover plate assembly machine, respectively, for conveying the cover plates disassembled by the cover plate disassembly machine to the cover plate assembly machine; characterized in that: The cover plate disassembly machine is equipped with a first robotic arm for disassembling and transferring the cover plate, and the cover plate assembly machine is equipped with a second robotic arm for transferring and assembling the cover plate. The lifting modules of the first robotic arm and the second robotic arm are equipped with a clamping assembly and a rotating assembly. The clamping assembly includes a clamping arm that is arranged opposite to each other to clamp the cover plate and a clamping drive mechanism for driving the clamping arm. The rotating assembly includes a rotating head and a motor for driving the rotating head to rotate. The rotating head is equipped with a mating groove that cooperates with a knob of the locking mechanism on the cover plate to drive the knob to rotate.

2. The carrier cover dismounting reflow line according to claim 1, characterized in that: The cover plate dismantling machine further includes a first conveying device, a second conveying device, and a first lifting conveying device. The first conveying device is used to receive the carrier assembly of the cover plate to be dismantled. The second conveying device and the first conveying device are parallel to each other. The first robotic arm can place the dismantled cover plate onto the second conveying device. The first lifting conveying device can move up and down between the height of docking with the second conveying device and the height of docking with the cover plate return conveying device, so as to transfer the cover plate on the second conveying device to the cover plate return conveying device.

3. The carrier cover plate removal reflow line of claim 2, wherein: The cover plate dismantling machine is also equipped with a cover plate replenishment platform and a first cover plate buffer platform; wherein, the first cover plate buffer platform is located between the first conveying device and the second conveying device, and is located on the movement path of the first manipulator; the cover plate replenishment platform is located below the cover plate return conveying device, and the cover plates on the cover plate replenishment platform can be conveyed to the cover plate return conveying device through the first lifting conveying device.

4. The carrier cover plate removal reflow line of claim 2, wherein: The number of the first conveying devices is two, and the two first conveying devices are arranged side by side; the cover plate removal machine is also equipped with two first detection cameras, which can be moved above the two first conveying devices respectively for detection.

5. The vehicle cover plate disassembly and reassembly return line according to claim 1, characterized in that: The cover plate assembly machine includes a second lifting conveyor, a third conveyor, and a fourth conveyor. The second lifting conveyor can move up and down between the height of docking with the third conveyor and the height of docking with the cover plate return conveyor, so as to transfer the cover plate on the cover plate return conveyor to the third conveyor. The third conveyor and the fourth conveyor are parallel to each other. The second robot can install the cover plate received by the third conveyor onto the carrier base plate conveyed by the fourth conveyor to form a carrier assembly.

6. The vehicle cover plate disassembly and reassembly return line according to claim 5, characterized in that: The third conveying device is equipped with a barcode scanning module and a second inspection camera. The second inspection camera is used to perform defect detection on the cover plate from below the third conveying device, and the barcode scanning module is used to scan the barcode on the cover plate from above the third conveying device.

7. The vehicle cover plate disassembly and reassembly return line according to claim 6, characterized in that: The third conveying device is provided with a linear lighting source on one side or opposite sides. The lighting source is used to illuminate the upper surface of the cover plate to assist the scanning module in scanning.

8. The vehicle cover plate disassembly and reassembly return line according to claim 6, characterized in that: The cover plate assembly machine is also equipped with a waste plate output platform and a second cover plate buffer platform; wherein, the second cover plate buffer platform is located between the third conveying device and the fourth conveying device, and is located on the movement path of the second robot arm; the waste plate output platform is located on the side of the cover plate assembly machine opposite to the cover plate return conveying device, and is connected to the third conveying device, and unqualified cover plates can be conveyed from the third conveying device to the waste plate output platform.

9. The vehicle cover plate disassembly and reassembly return line according to claim 5, characterized in that: The number of the fourth conveying devices is two, and the two fourth conveying devices are arranged side by side; the cover plate dismantling machine is also equipped with two third detection cameras, which can be moved above the two fourth conveying devices respectively for detection.

10. The vehicle cover plate disassembly and reassembly return line according to claim 1, characterized in that: The cover plate return conveying device is equipped with an upper conveyor belt, a lower conveyor belt, and a cooling module. The upper conveyor belt and the lower conveyor belt can independently convey the cover plates, and the cooling module can blow cooling airflow onto the conveyed cover plates to cool them down.

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