Workpiece sequential building and leading system

Abstract

The utility model discloses a workpiece sequential building and leading system. The utility model discloses a workpiece sequential construction leading system which comprises a conveying stand, an air cylinder lifting assembly, a turning plate type reversing assembly, an air cylinder assembly fixing frame body and a reversing assembly fixing frame body. The air cylinder lifting assembly is fixed in the air cylinder assembly fixing frame body, and the turning plate type reversing assembly is fixed in the reversing assembly fixing frame body. An air cylinder tray of the air cylinder lifting assembly is connected with the high-position side of the upper-layer conveying belt of the conveying stand through lifting operation; after the conveyor belt tray bearing the workpieces to be taken on the air cylinder tray slides to the upper conveyor belt, the air cylinder lifting assembly descends to the workpiece taking position; and after the current conveying belt tray moves to the reversing tray of the turning plate type reversing assembly, the reversing tray is connected with the high-position side of the lower-layer conveying belt of the conveying stand through downward lifting operation. According to the technical scheme of the embodiment of the utility model, the labor cost can be reduced, the automation degree of workpiece leading and taking is improved, and the operation quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile processing and manufacturing, in particular to a workpiece sequential building and picking system. Background Art

[0002] At present, with the acceleration of the production beat, more workstations are required for workpiece picking to meet the production needs. When non-engineering personnel pick workpieces, there are potential safety hazards during operation and a high error rate in operation. Summary of the Invention

[0003] The utility model provides a workpiece sequential building and picking system to solve the problems of high labor cost and the need to improve the degree of automation in workpiece picking during the current automobile production process.

[0004] According to one aspect of the utility model, a workpiece sequential building and picking system is provided, including: a transfer rack, a cylinder lifting assembly, a flip-type commutation assembly, a cylinder assembly fixing frame body, and a commutation assembly fixing frame body;

[0005] The cylinder lifting assembly is fixed within the cylinder assembly fixing frame body, and the flip-type commutation assembly is fixed within the commutation assembly fixing frame body;

[0006] The cylinder tray of the cylinder lifting assembly is connected to the high-position side of the upper conveyor belt of the transfer rack through an upward operation; after the conveyor belt tray carrying the workpiece to be picked slides onto the upper conveyor belt on the cylinder tray, the cylinder lifting assembly descends to the workpiece picking position;

[0007] After the current conveyor belt tray moves to the commutation tray of the flip-type commutation assembly, the commutation tray is connected to the high-position side of the lower conveyor belt of the transfer rack through a downward operation.

[0008] Optionally, the cylinder lifting assembly includes a cylinder body, a cylinder rod, and a cylinder tray; the cylinder body is connected to the cylinder rod, and the cylinder rod is connected to the cylinder tray.

[0009] Optionally, the flip-type commutation assembly includes a pulley, a counterweight, and a commutation tray; the counterweight is connected to the commutation tray through a steel wire, and the steel wire is carried on the pulley guide rail.

[0010] Optionally, the workpiece sequential building and picking system includes two stoppers, one stopper is installed on the low-position side of the upper conveyor belt of the transfer rack, and the other stopper is installed on the low-position side of the lower conveyor belt of the transfer rack.

[0011] Optionally, the transfer rack includes an upper transfer rack, a lower transfer rack, and a transfer rack fixing frame body.

[0012] Optionally, the workpiece sequential building and picking system further includes a workpiece handling device to be picked; the workpiece handling device to be picked is used to transport the workpiece to be picked onto the conveyor belt tray on the cylinder tray.

[0013] Optionally, the workpiece picking device includes a handling cart or a robotic arm.

[0014] Optionally, the workpiece sequential building picking system further includes a display; the workpiece to be picked includes a damping pad, and the display is used to obtain and display the queuing data of the damping pads to be assembled on the vehicle.

[0015] Optionally, the workpiece sequential building picking system further includes a camera and a processor, which are communicatively connected; the camera is used to scan the damping pads of the vehicles at the target scanning points to obtain vehicle scanning data and send the vehicle scanning data to the processor; the processor is used to determine the queuing data of the damping pads to be assembled on the vehicle according to the vehicle scanning data and send the queuing data of the damping pads to be assembled on the vehicle to the display.

[0016] Optionally, the number of conveyor trays is 8.

[0017] The technical solution of the embodiment of the present utility model constitutes a workpiece sequential building picking system through a conveyor rack, a cylinder lifting assembly, a flap type reversing assembly, a cylinder assembly fixing frame, and a reversing assembly fixing frame. The cylinder lifting assembly is fixed within the cylinder assembly fixing frame, and the flap type reversing assembly is fixed within the reversing assembly fixing frame. The cylinder tray of the cylinder lifting assembly is connected to the high-position side of the upper conveyor belt of the conveyor rack through an upward operation. After the conveyor tray carrying the workpiece to be picked slides onto the upper conveyor belt on the cylinder tray, the cylinder lifting assembly descends to the picking position. After the current conveyor tray moves to the reversing tray of the flap type reversing assembly, the reversing tray is connected to the high-position side of the lower conveyor belt of the conveyor rack through a downward operation. This system can meet the tight production rhythm without adding workstations, reduce the operation time of manually picking the workpiece to be picked, cancel the operation of the operator inside the project to confirm the workpiece to be picked, avoid the operation hidden danger of the worker outside the project from picking the workpiece to be picked, and can also reduce the area of the operation project opening to improve the dust prevention effect. It solves the problems of high labor cost and the need to improve the automation degree in the current workpiece picking process in automobile production, can reduce the labor cost, improve the automation degree of workpiece picking, and improve the operation quality.

[0018] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present utility model, nor is it used to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of a workpiece sequential building and picking system provided in the first embodiment of the present utility model;

[0021] Figure 2 It is a schematic diagram of another workpiece sequential building and picking system provided in the first embodiment of the present utility model. Detailed implementation manners

[0022] In order to enable those skilled in the art to better understand the solution of the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] It should be noted that the terms "including" and "having" in the description and claims of the present utility model and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those clearly listed steps or units, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0024] Embodiment 1

[0025] Figure 1 It is a schematic diagram of a workpiece sequential building and picking system provided in the first embodiment of the present utility model, including a transfer rack 110, a cylinder lifting assembly 120, a flip-type commutation assembly 130, a cylinder assembly fixing frame 140, and a commutation assembly fixing frame 150; the cylinder lifting assembly 120 is fixed within the cylinder assembly fixing frame 140, and the flip-type commutation assembly 130 is fixed within the commutation assembly fixing frame 150; the cylinder tray of the cylinder lifting assembly 120 is connected to the high-level side of the upper conveyor belt of the transfer rack 110 through an ascending operation; after the conveyor belt tray carrying the workpiece to be picked slides onto the upper conveyor belt on the cylinder tray, the cylinder lifting assembly 120 descends to the picking position; after the current conveyor belt tray moves to the commutation tray of the flip-type commutation assembly 130, the commutation tray is connected to the high-level side of the lower conveyor belt of the transfer rack 110 through a descending operation.

[0026] Among them, the transfer gantry 110 can be a gantry for transferring workpieces. The transfer gantry 110 can be a gantry equipped with upper and lower conveyor belts. When transferring workpieces, the transfer gantry 110 can carry the workpieces through pallets to achieve position separation between the workpieces. The flip-type commutation component 130 can be used to reversely transfer the conveyor belt pallet carrying the workpiece on the upper conveyor belt to the lower conveyor belt. The cylinder lifting component 120 can be a device that converts the pressure energy of compressed gas into mechanical energy to drive the mechanism to reciprocate. The cylinder component fixing frame 140 can be a frame for fixing the cylinder lifting component 120. The commutation component fixing frame 150 can be a frame for fixing the flip-type commutation component 130. The cylinder pallet can be a pallet equipped in the cylinder lifting component 120. The conveyor belt pallet can be a pallet transported on the conveyor belt of the transfer gantry 110 for carrying workpieces. The high-position side of the upper conveyor belt can be the side where the highest position of the upper conveyor belt of the transfer gantry 110 is located. The high-position side of the lower conveyor belt can be the side where the highest position of the lower conveyor belt of the transfer gantry 110 is located. The workpiece to be taken can be a workpiece on an automobile production line and is transferred based on the workpiece sequential extraction system. The commutation pallet can be the pallet in the flip-type commutation component 130. The current conveyor belt pallet can be the pallet carrying the workpiece to be taken that currently needs to be moved from the upper conveyor belt to the commutation pallet, and it may not be the conveyor belt pallet last carried by the cylinder pallet.

[0027] In the embodiment of the present utility model, the cylinder lifting component 120 in the workpiece sequential extraction system is fixed within the cylinder component fixing frame 140. The cylinder pallet in the cylinder lifting component 120 can move up and down along the vertical frame structure of the cylinder component fixing frame 140. The flip-type commutation component 130 is fixed within the commutation component fixing frame 150. The commutation pallet of the flip-type commutation component 130 can perform reciprocating up and down motion along the vertical frame structure of the commutation component fixing frame 150.

[0028] In the initial state of the workpiece sequential extraction system, the cylinder component fixing frame 140, the transfer gantry 110, and the commutation component fixing frame 150 are adjacent to each other in sequence. And the cylinder pallet of the cylinder lifting component 120 is connected to the low-position side of the lower conveyor belt of the transfer gantry 110, and the commutation pallet of the flip-type commutation component 130 is connected to the low-position side of the upper conveyor belt of the transfer gantry 110. To ensure the structural stability of the workpiece sequential extraction system, the adjacent edges of the cylinder component fixing frame 140, the transfer gantry 110, and the commutation component fixing frame 150 can be welded.

[0029] When the cylinder lifting assembly 120 detects that the cylinder tray is under pressure, it indicates that the conveyor belt tray carrying the workpiece to be picked has moved to the cylinder tray. Then, the cylinder lifting assembly 120 moves the cylinder tray to the upper conveyor belt high side of the conveyor rack 110 through an upward operation, so that the cylinder tray is connected to the upper conveyor belt high side of the conveyor rack 110. Since the two ends of the upper conveyor belt of the conveyor rack 110 are at different heights, the conveyor belt tray carrying the workpiece to be picked can slide on the upper conveyor belt by means of the gravity of the object to reach the lower side of the upper conveyor belt. When the conveyor belt tray carrying the workpiece to be picked on the cylinder tray slides onto the upper conveyor belt, the cylinder tray of the cylinder lifting assembly 120 is not under pressure, indicating that the handling of the workpiece to be picked can be carried out, and then it descends to the initial picking position.

[0030] After the current conveyor belt tray slides from the lower side of the upper conveyor belt to the reversing tray of the flip - type reversing assembly 130, the reversing tray of the flip - type reversing assembly 130 moves downward and is connected to the upper conveyor belt high side of the conveyor rack 110, that is, the current conveyor belt tray reaches the final conveying position of the workpiece to be picked. Thus, after the workpiece to be picked is taken away, the current conveyor belt tray slides from the upper conveyor belt high side to the lower conveyor belt low side by gravity and further moves to the cylinder tray at the initial picking position to complete the automatic conveying of the next round of workpieces to be picked.

[0031] In an alternative embodiment of the present utility model, as Figure 2 shown, the cylinder lifting assembly may include a cylinder block 121, a cylinder rod 122, and a cylinder tray 123; the cylinder block 121 is connected to the cylinder rod 122, and the cylinder rod 122 is connected to the cylinder tray 123.

[0032] Among them, the cylinder block 121 is a component in the cylinder lifting assembly that stores gas and converts the gas energy generated by compressing the gas into mechanical energy. The cylinder rod 122 can be a rod - shaped component that moves up and down based on the mechanical energy converted by the cylinder block 121. The cylinder tray 123 can move up and down along the side frame of the cylinder assembly fixing frame 140.

[0033] In the embodiment of the present utility model, the cylinder tray 123, the cylinder rod 122, and the cylinder block 121 are connected in sequence from top to bottom. The cylinder tray 123 is fixedly connected to the upper end of the cylinder rod 122, and the cylinder rod 122 is installed at the upper end of the cylinder block 121. The cylinder 121 converts the pressure of compressed air into mechanical energy, driving the cylinder rod 122 to perform a linear reciprocating motion up and down. Since the cylinder tray 123 is fixedly connected to the upper end of the cylinder rod 122, when the cylinder rod 122 performs a linear reciprocating motion up and down, it will drive the cylinder tray 123 to perform a linear reciprocating motion up and down.

[0034] In an alternative embodiment of the present utility model, as Figure 2As shown, the flip - type commutation component may include a pulley 131, a counterweight 132, and a commutation tray 133; the counterweight 132 is connected to the commutation tray 133 by a steel wire, and the steel wire is carried on the guide rail of the pulley 131.

[0035] In the embodiment of the present utility model, the flip - type commutation component may specifically include a pulley 131, a counterweight 132, and a commutation tray 133. The counterweight 132 is connected to the commutation tray 133 by a steel wire, and the steel wire is carried on the guide rail of the pulley 131. The pulley 131 is fixed to the top end of the commutation component fixing frame 150.

[0036] Based on the working principle of the flip - type commutation component, the weights of the counterweight 132 and the commutation tray 133 need to be equal. When the conveyor belt tray moves to the commutation tray 133 of the flip - type commutation component, the commutation tray 133 descends to the high - level side of the lower conveyor belt under the action of gravity.

[0037] In order to ensure that the commutation tray 133 can accurately descend to the high - level side of the lower conveyor belt, the length of the steel wire needs to be calculated in advance, that is, the final descending position of the commutation tray 133, namely the high - level side of the lower conveyor belt, is controlled by the length of the steel wire.

[0038] In an alternative embodiment of the present utility model, as Figure 2 shown, the workpiece sequential building fetching system further includes: two stoppers 160, one stopper 160 is installed on the low - level side of the upper conveyor belt of the conveyor stand, and the other stopper 160 is installed on the low - level side of the lower conveyor belt of the conveyor stand.

[0039] Among them, the stopper 160 can be installed on the low - level side of the upper conveyor belt or the low - level side of the lower conveyor belt to prevent the conveyor belt tray located on the low - level side of the upper conveyor belt or the low - level side of the lower conveyor belt from sliding out of the corresponding conveyor belt.

[0040] In the embodiment of the present utility model, the workpiece sequential building fetching system may also be equipped with two stoppers 160. One stopper 160 is installed on the low - level side of the upper conveyor belt of the conveyor stand to control the conveyor belt trays on the upper conveyor belt to slide down to the commutation tray 133 one by one. The other stopper 160 is installed on the low - level side of the lower conveyor belt of the conveyor stand to control the single conveyor belt tray on the lower conveyor belt to slide down to the cylinder tray 123 to wait for the next round of conveying the workpiece to be fetched.

[0041] In an alternative embodiment of the present utility model, as Figure 2 shown, the conveyor stand may include an upper conveyor stand 111, a lower conveyor stand 112, and a conveyor stand fixing frame 113.

[0042] Among them, the upper conveyor platform 111 can be the platform located in the upper layer of the conveyor platforms. The upper conveyor platform 111 can include an upper conveyor belt and an upper conveyor belt fixing frame. The lower conveyor platform 112 can be the platform located in the lower layer of the conveyor platforms. The lower conveyor platform 112 can include a lower conveyor belt and a lower conveyor belt fixing frame. The conveyor platform fixing frame 113 can be the frame that fixes the upper conveyor platform 111 and the lower conveyor platform 112. The conveyor platform fixing frame 113 can include a plurality of vertical support columns and a base rectangular frame connecting the vertical support columns. The base rectangular frame connecting the vertical support columns is used to fix the vertical support columns.

[0043] Among them, the upper conveyor belt fixing frame can be the frame that fixes the upper conveyor belt. The lower conveyor belt fixing frame can be the frame that fixes the upper conveyor belt. The vertical support columns can be used to fix the upper conveyor belt fixing frame and the lower conveyor belt fixing frame.

[0044] In the embodiment of the present utility model, the conveyor platform can be divided into an upper conveyor platform 111, a lower conveyor platform 112, and a conveyor platform fixing frame 113. The upper conveyor platform 111 is composed of an upper conveyor belt and an upper conveyor belt fixing frame. The lower conveyor platform 112 is composed of a lower conveyor belt and a lower conveyor belt fixing frame. The upper conveyor belt fixing frame of the upper conveyor platform 111 and the lower conveyor belt fixing frame of the lower conveyor platform 112 are fixed into upper and lower layers by a plurality of vertical support columns. Specifically, the high-position side of the upper conveyor belt fixing frame and the low-position side of the lower conveyor belt fixing frame are fixed on the same side of the entire conveyor platform (such as the left side of the conveyor platform), and the low-position side of the upper conveyor belt fixing frame and the high-position side of the lower conveyor belt fixing frame are fixed on the opposite side of the low-position side of the lower conveyor belt fixing frame (such as the right side of the conveyor platform).

[0045] In an alternative embodiment of the present utility model, the workpiece sequential building and picking system may further include: a workpiece to be picked handling device; the workpiece to be picked handling device can be used to transport the workpiece to be picked to the conveyor tray on the cylinder tray.

[0046] Among them, the workpiece to be picked handling device can be the device that transports the workpiece to be picked to the cylinder tray.

[0047] In the embodiment of the present utility model, the workpiece sequential building and picking system may further include a workpiece to be picked handling device. When the workpiece to be picked handling device receives the handling instruction of the workpiece to be picked, it grabs the workpiece to be picked and moves the workpiece to be picked to the conveyor tray on the cylinder tray.

[0048] In an alternative embodiment of the present utility model, the workpiece to be picked handling device can include a handling cart or a robotic arm.

[0049] Among them, the handling trolley is a trolley for automatically guiding and handling workpieces.

[0050] In an alternative embodiment of the present utility model, the workpiece sequential building and fetching system may further include: a display; the workpiece to be fetched may include a damping pad, and the display may be used to obtain and display the queuing data of the vehicles waiting to be assembled with the damping pad.

[0051] Among them, the queuing data of the vehicles waiting to be assembled with the damping pad can be used to describe the queuing order of the vehicles waiting to be assembled with the damping pad.

[0052] In an alternative embodiment of the present utility model, the workpiece sequential building and fetching system may further include: a camera and a processor, and the camera, the processor and the display are communicatively connected; the camera is used to scan the vehicles waiting to be assembled with the damping pad at the target scanning point to obtain vehicle scanning data, and send the vehicle scanning data to the processor; the processor is used to determine the queuing data of the vehicles waiting to be assembled with the damping pad according to the vehicle scanning data, and send the queuing data of the vehicles waiting to be assembled with the damping pad to the display.

[0053] Among them, the target scanning point may be the position where the vehicle is located when the vehicle is scanned in the vehicle processing workshop. The vehicle waiting to be assembled with the damping pad may be an automobile that needs to be assembled with the damping pad. The vehicle scanning data may be vehicle information associated with the vehicle waiting to be assembled with the damping pad. Exemplarily, the vehicle scanning data may include vehicle type, the model and quantity of the damping pad to be assembled, etc.

[0054] In an embodiment of the present utility model, the workpiece sequential building and fetching system may further include a camera and a processor. The camera, the processor and the display are communicatively connected. The camera can scan the vehicles waiting to be assembled with the damping pad at the target scanning point to obtain vehicle scanning data, and send the vehicle scanning data to the processor. The processor arranges the order of the vehicles waiting to be assembled with the damping pad according to the vehicle scanning data, generates the queuing data of the vehicles waiting to be assembled with the damping pad, and sends the queuing data of the vehicles waiting to be assembled with the damping pad to the display, and the display displays the queuing data of the vehicles waiting to be assembled with the damping pad for the staff to view.

[0055] Optionally, if the required damping pad of the current vehicle waiting to be assembled with the damping pad in the queuing data of the vehicles waiting to be assembled with the damping pad has been taken out from the current conveyor belt tray, the vehicle information of the current vehicle waiting to be assembled with the damping pad in the queuing data of the vehicles waiting to be assembled with the damping pad is deleted.

[0056] In an alternative embodiment of the present utility model, the number of conveyor belt trays may be 8.

[0057] Exemplarily, the frame involved in the workpiece sequential building and fetching system may be made of aluminum alloy material pipes.

[0058] The technical solution of the embodiment of the present utility model constitutes a workpiece sequential building and picking system through a conveying platform, a cylinder lifting assembly, a flap type commutation assembly, a cylinder assembly fixing frame, and a commutation assembly fixing frame. The cylinder lifting assembly is fixed within the cylinder assembly fixing frame, and the flap type commutation assembly is fixed within the commutation assembly fixing frame. The cylinder tray of the cylinder lifting assembly is connected to the high position side of the upper conveyor belt of the conveying platform through an upward operation. After the conveyor belt tray carrying the workpiece to be picked slides onto the upper conveyor belt on the cylinder tray, the cylinder lifting assembly descends to the picking position. After the current conveyor belt tray moves to the commutation tray of the flap type commutation assembly, the commutation tray is connected to the high position side of the lower conveyor belt of the conveying platform through a downward operation. Without adding workstations, this system can meet the tight production rhythm, reduce the operation time of manually picking damping pads, eliminate the operation of the operator inside the project to confirm the workpiece to be picked, avoid the operation risk of workers outside the project picking the workpiece to be picked, reduce the area of the operation project opening to improve the dust prevention effect, realize the supply of small-scale operation power input, solve the problems of high labor cost and the need to improve the automation degree in the current workpiece picking process in automobile production, reduce the labor cost, improve the automation degree of workpiece picking, and improve the operation quality.

[0059] Embodiment 2

[0060] This embodiment provides a workpiece sequential building and picking method. The specific steps are as follows: After the vehicle prepared to lay damping pad workpieces arrives at the target scanning point, the vehicle information (i.e., vehicle scanning data) is collected through a camera scanner, and the vehicle scanning data is converted through the PLC program in the processor to obtain the queuing data of the vehicles waiting for damping pad assembly, and is transmitted and displayed on the display at the damping pad picking station for recording and retention.

[0061] The workpiece handling equipment to be picked (or the damping pad picking operator) will pick a set of damping pad workpieces according to the queuing data of the vehicles waiting for damping pad assembly displayed on the display and the corresponding damping pad workpiece information, place them on the cylinder tray, and the damping pad workpieces slide to the commutation tray through the upper conveying platform. After the workpiece handling equipment to be picked (or the damping pad picking operator) picks up the damping pad workpieces, the information of this vehicle displayed on the synchronous display is eliminated, and the conveyor belt tray carrying the placed damping pads automatically returns to the initial position to wait for the next operation.

[0062] The workpiece sequential building and picking method provided in this embodiment also has the beneficial effects described in the above embodiments, which will not be elaborated here.

[0063] It should be understood that various forms of processes shown above can be used, reordering, adding, or deleting steps. For example, the steps described in the present utility model can be executed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of the present utility model can be achieved, and no limitations are imposed herein.

[0064] The above specific embodiments do not constitute a limitation to the protection scope of the present utility model. Those skilled in the art should understand that various modifications, combinations, sub - combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A workpiece sequential building and fetching system, characterized in that, Comprising: A transfer rack, a cylinder lifting assembly, a flap type commutation assembly, a cylinder assembly fixing frame body, and a commutation assembly fixing frame body; The cylinder lifting assembly is fixed within the cylinder assembly fixing frame body, and the flap type commutation assembly is fixed within the commutation assembly fixing frame body; The cylinder tray of the cylinder lifting assembly is connected to the high position side of the upper conveyor belt of the transfer rack through an upward operation; after the conveyor belt tray carrying the workpiece to be picked slides onto the upper conveyor belt on the cylinder tray, the cylinder lifting assembly descends to the picking position; After the current conveyor belt tray moves to the commutation tray of the flap type commutation assembly, the commutation tray is connected to the high position side of the lower conveyor belt of the transfer rack through a downward operation.

2. The system according to claim 1, wherein The cylinder lifting assembly includes a cylinder body, a cylinder rod, and a cylinder tray; The cylinder body is connected to the cylinder rod, and the cylinder rod is connected to the cylinder tray.

3. The system according to claim 1, characterized in that, The flap type commutation assembly includes a pulley, a counterweight, and the commutation tray; the counterweight is connected to the commutation tray through a steel wire, and the steel wire is mounted on the pulley guide rail.

4. The system according to claim 1, wherein It further includes two stoppers, one stopper is installed on the low position side of the upper conveyor belt of the transfer rack, and the other stopper is installed on the low position side of the lower conveyor belt of the transfer rack.

5. The system according to claim 1, wherein The transfer rack includes an upper transfer rack, a lower transfer rack, and a transfer rack fixing frame body.

6. The system according to claim 1, wherein It further includes a workpiece to be picked handling device; the workpiece to be picked handling device is used to transport the workpiece to be picked onto the conveyor belt tray on the cylinder tray.

7. The system according to claim 6, wherein The workpiece to be picked handling device includes a handling cart or a robotic arm.

8. The system according to claim 1, wherein It further includes a display; the workpiece to be picked includes a damping pad, and the display is used to obtain and display the queuing data of the vehicles to be assembled with damping pads.

9. The system according to claim 8, wherein, It further includes a camera and a processor, the camera, the processor, and the display are communicatively connected; the camera is used to scan the vehicles to be assembled with damping pads at the target scanning points to obtain vehicle scanning data, and send the vehicle scanning data to the processor; The processor is used to determine the queuing data of the vehicles to be assembled with damping pads according to the vehicle scanning data, and send the queuing data of the vehicles to be assembled with damping pads to the display.

10. The system according to claim 1, wherein The number of the conveyor belt trays is 8.

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