Automatic unstacking device for automobile body stamping

Abstract

The invention provides an automatic unstacking device for automobile body stamping, and relates to the technical field of automatic unstacking, the automatic unstacking device comprises a bottom plate, a connecting structure and an auxiliary structure, the upper surface of the bottom plate is provided with a connecting seat, the connecting seat is connected with the bottom plate through the connecting structure, and the upper end of the connecting seat is provided with a mechanical arm; a connecting arm is installed at the upper end of the mechanical arm, and a suction cup is arranged at the output end of the connecting arm. The bottom plate and the connecting base can be conveniently and rapidly assembled and stably connected, the four connecting columns and the corresponding extrusion blocks fix the connecting plate from the periphery, the limiting rods are matched to precisely limit the sliding direction of the sliding blocks, and the sliding strips guarantee the stable abutting relation between the inclined blocks and the extrusion blocks, so that the stability of the connecting plate is improved. According to the connecting structure, deviation or looseness possibly occurring in the connecting process is effectively avoided, the stability and reliability of the connecting structure are greatly improved, and stable operation of follow-up mechanical arms and other components in the working process is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of automated destacking technology, and in particular to an automated destacking device for automobile body stamping. Background Technology

[0002] Automotive body stamping automated destacking equipment is an important component of automotive stamping automated production lines. It is mainly used to automatically disassemble stacks of metal sheets and transport them to subsequent processes.

[0003] Existing technologies, such as the utility model patent with publication number CN108715353A, disclose a destacking clamp, a destacking device, and a method for using the destacking device. This patent uses a destacking clamp, a destacking device, and a method for using the destacking device. The destacking clamp is used on the destacking device. The position of the destacking clamp is adjusted by controlling the lateral displacement of the movable seat on the frame through the controller, and the destacking clamp is controlled to destacking the material. It has a simple structure, is easy to operate, and has a high degree of intelligence, making it easy to promote and use.

[0004] The inventors discovered during use that existing intelligent destacking devices are fixed with multiple bolts. Therefore, during installation, workers need to tighten each bolt one by one. This is not only cumbersome and time-consuming, but also prone to loosening after long-term use, which leads to a decrease in the stability of the connection and affects the normal working accuracy and safety of the intelligent destacking device. In addition, the installation method with multiple bolts is not convenient for disassembly, maintenance or component replacement in the later stage, which reduces the maintenance efficiency of the equipment. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and to propose an automated destacking device for automobile body stamping.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automated destacking device for automobile body stamping, comprising a base plate, a connecting structure, and an auxiliary structure. A connecting seat is provided on the upper surface of the base plate, and the connecting seat is connected to the base plate by means of the connecting structure. A robotic arm is installed at the upper end of the connecting seat, and a connecting arm is installed at the upper end of the robotic arm. A suction cup is provided at the output end of the connecting arm, and the suction cup is connected to the connecting arm by means of the auxiliary structure. The upper surface of the base plate is provided with the connecting structure.

[0007] Preferably, the connecting structure includes four connecting columns, all of which are fixedly connected to the base plate. A connecting plate is slidably connected to the surface of each connecting column, and the connecting plate is fixedly connected to a connecting seat. Two screws are fixedly connected to the upper surface of the connecting seat. A connecting ring is slidably connected to the arc surface of each screw. Two threaded rings are rotatably connected to the upper surface of each connecting ring, and the threaded rings are threadedly connected to the screws. Four slide rails are slidably connected to the inner wall of the connecting ring. A slider is slidably connected to the inner wall of each slide rail. A wedge is fixedly connected to the end of each slider away from the connecting seat. A connecting rod is fixedly connected to the upper surface of the slider, and the upper end of the connecting rod is fixedly connected to the connecting ring. A connecting groove is formed on the inner wall of each connecting column, and an extrusion block is slidably connected to the inner wall of the connecting groove. The extrusion block abuts against the wedge. This preferred solution allows the connecting plate to be fitted onto the surface of the four connecting columns first, so that the connecting seat is initially positioned above the base plate when the base plate needs to be connected to the connecting seat. Then, rotating the threaded ring causes it to move downwards along the screw due to its threaded connection with the screw rod. This causes the connecting ring to move downwards synchronously. The connecting ring then pushes the slider along the slide rail towards the connecting seat via the connecting rod. The inclined block on the slider moves accordingly and presses against the extrusion block in the connecting groove. After being pressed by the inclined block, the extrusion block extends outwards from the connecting column and presses against the inner wall of the connecting plate, thus firmly connecting the connecting plate and the connecting column. This achieves rapid assembly and fixation of the base plate and the connecting seat, improving the convenience of device installation and the stability of the connection.

[0008] Preferably, a limiting rod is fixedly connected inside the slide rail, and the limiting rod is slidably connected to the slider. With this preferred solution, the limiting rod can limit the slider, preventing the slider from deviating when sliding on the inner wall of the slide rail, thus improving the stability of the slider sliding.

[0009] Preferably, a slide bar is fixedly connected to the side of the inclined block near the extrusion block, and the slide bar is slidably connected to the extrusion block. With this preferred solution, the slide bar can limit the inclined block and the extrusion block, and prevent the inclined block and the extrusion block from deviating.

[0010] Preferably, the threaded ring has a plurality of levers on its arc surface, and the levers are evenly distributed on the threaded ring. With this preferred solution, the levers can be directly rotated when the threaded ring needs to be rotated, and the levers drive the threaded ring to rotate, making it more convenient to rotate the threaded ring.

[0011] Preferably, the connecting arm has an auxiliary structure at one end near the suction cup. This auxiliary structure includes a connector that is connectable to the robotic arm. A connecting member is fixedly connected to the side of the suction cup near the connecting arm. Several auxiliary rods are slidably connected to the inner wall of the connecting member. These auxiliary rods are fixedly connected to the suction cup. A rotating ring is slidably connected to the end of each auxiliary rod away from the suction cup. The rotating ring is threadedly connected to the robotic arm. This preferred design achieves the desired connection between the connecting arm and the suction cup when the connecting arm needs to be used, by sliding the connecting member into the connecting member, allowing the auxiliary rods to be inserted synchronously. Insert the connector into the corresponding pre-set hole, then rotate the swivel ring to move it along the threaded surface of the connecting arm towards the connector. During the movement, the swivel ring will gradually squeeze the end of the auxiliary rod away from the suction cup, forcing the auxiliary rod to drive the connector and the connector to fit more tightly, thereby quickly achieving a stable assembly between the suction cup and the connecting arm. This avoids the tedious operation of tightening bolts one by one in the traditional connection method, improving installation efficiency. At the same time, the even distribution of multiple auxiliary rods ensures the force balance of the suction cup during operation, effectively preventing the problem of unstable suction cup adsorption due to loose connection.

[0012] Preferably, the arc surface of the threaded ring is provided with a plurality of slots, and the plurality of slots are evenly distributed on the rotating ring. By adopting this preferred solution, the slots can increase the friction between the hand and the rotating ring, and prevent slippage when rotating the rotating ring.

[0013] Preferably, the inner walls of the connector and the connecting member are fixedly connected with a plurality of anti-slip sleeves, which are evenly distributed inside the connector and the connecting member. By adopting this preferred solution, the friction between the connecting rod and the connector and the connecting member can be increased, thus preventing the connecting rod from sliding when it is fixed.

[0014] Preferably, the end of the connecting arm away from the suction cup is provided with a fixing structure. The fixing structure includes a connecting ring, which is fixedly connected to the connecting arm. The connecting ring has several slots inside, and a pipe is slidably connected to the inner wall of the connecting ring. Several round pads are fixedly connected to the arc surface of the pipe. The connecting ring has an auxiliary groove inside, and a sealing gasket is fixedly connected inside the auxiliary groove. With this preferred solution, when it is necessary to connect the connecting pipe to the connecting arm, the pipe can be inserted into the connecting ring, so that the round pads are engaged with the inner wall of the slots, and the sealing gasket is tightly fitted to the surface of the pipe. This achieves rapid positioning and sealing connection of the pipe, effectively preventing loosening or leakage at the connection point, and improving the stability and sealing of the connection.

[0015] Preferably, the interface of the sealing gasket is annular, and the sealing gasket is a silicone gasket. By adopting this preferred solution, the silicone material can more effectively increase the sealing performance and eliminate the risk of air leakage.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. In this invention, by setting a connecting structure, the base plate and the connecting seat can be quickly assembled and securely connected. The four connecting columns and the corresponding extrusion blocks fix the connecting plate from all sides. The limiting rod precisely limits the sliding direction of the slider, and the slide bar ensures a stable contact relationship between the inclined block and the extrusion block. This effectively avoids possible offset or loosening during the connection process, greatly enhances the stability and reliability of the connecting structure, and ensures the smooth operation of subsequent components such as the robotic arm during operation.

[0017] 2. In this invention, by setting up an auxiliary structure, the suction cup and connecting arm can be easily and quickly assembled securely. When the suction cup needs to be installed, simply align the connector with the connecting piece and slide it in. At this time, multiple auxiliary rods will simultaneously insert into the preset holes in the connector to achieve initial positioning. Then, rotate the rotating ring. Utilizing its threaded connection with the connecting arm, the rotating ring will move downwards along the connecting arm, continuously pressing the end of the auxiliary rod away from the suction cup during the process. The evenly distributed design of multiple auxiliary rods also ensures that the suction cup is subjected to uniform force during operation, effectively preventing problems such as unstable suction or detachment of the suction cup due to excessive local force, thereby ensuring the reliability and safety of the entire automated depalletizing process in material handling and other operations.

[0018] 3. In this invention, by setting a fixed structure, the connecting pipe and the connecting arm can be quickly positioned and sealed. The fixed structure does not require additional bolts or tools, and the connection can be completed by simply inserting and snapping. The operation is simple and quick, which greatly saves installation time. At the same time, it takes into account the stability and sealing of the connection, ensuring that the automated destacking can operate stably and reliably in working scenarios involving gas or liquid transmission. Attached Figure Description

[0019] Figure 1 This invention provides a three-dimensional structural schematic diagram of an automated destacking device for automobile body stamping; Figure 2 This invention provides a schematic diagram of the connection structure of an automated destacking device for automobile body stamping. Figure 3 This invention proposes an automated destacking device for automobile body stamping. Figure 2 Enlarged view of point A; Figure 4 This invention provides a schematic diagram of the auxiliary structure of an automated destacking device for automobile body stamping. Figure 5 This invention proposes an automated destacking device for automobile body stamping. Figure 4 Enlarged view of point B; Figure 6 This invention provides a schematic diagram of the fixing structure of an automated destacking device for automobile body stamping.

[0020] Legend: 1. Base plate; 2. Connecting seat; 3. Robotic arm; 4. Connecting arm; 5. Suction cup; 6. Connecting pipe; 7. Connecting structure; 701. Connecting plate; 702. Connecting column; 703. Connecting ring; 704. Screw; 705. Threaded ring; 706. Handle; 707. Slide rail; 708. Connecting groove; 709. Extrusion block; 710. Slide bar; 711. Inclined block; 712. Limiting rod; 713. Connecting rod; 714. Slider; 8. Auxiliary structure; 81. Rotary ring; 82. Groove; 83. Auxiliary rod; 84. Anti-slip sleeve; 85. Connecting piece; 86. Connecting piece; 9. Fixing structure; 91. Connecting ring; 92. Round pad; 93. Slot; 94. Sealing gasket; 95. Auxiliary groove; 96. Pipe. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, such as Figure 1-6 As shown, the present invention provides an automated destacking device for automobile body stamping, comprising a base plate 1, a connecting structure 7, and an auxiliary structure 8. The device is characterized in that: a connecting seat 2 is provided on the upper surface of the base plate 1, the connecting seat 2 is connected to the base plate 1 via the connecting structure 7, a robotic arm 3 is mounted on the upper end of the connecting seat 2, a connecting arm 4 is mounted on the upper end of the robotic arm 3, a suction cup 5 is provided at the output end of the connecting arm 4, the suction cup 5 is connected to the connecting arm 4 via the auxiliary structure 8, the connecting structure 7 is provided on the upper surface of the base plate 1, the auxiliary structure 8 is provided at the end of the connecting arm 4 near the suction cup 5, and a fixing structure 9 is provided at the end of the connecting arm 4 away from the suction cup 5.

[0024] The following section will explain the specific setup and function of its connection structure 7, auxiliary structure 8, and fixing structure 9.

[0025] like Figure 1 and Figure 4As shown, the connecting structure 7 includes four connecting posts 702, all of which are fixedly connected to the base plate 1. A connecting plate 701 is slidably connected to the surface of each connecting post 702. The connecting plate 701 is fixedly connected to the connecting seat 2. Two screws 704 are fixedly connected to the upper surface of the connecting seat 2. A connecting ring 703 is slidably connected to the arc surface of each screw 704. Two threaded rings 705 are rotatably connected to the upper surface of the connecting ring 703. The threaded rings 705 are threadedly connected to the screws 704. Four slide rails 707 are slidably connected to the inner wall of the connecting ring 703. A slider 714 is connected, and an inclined block 711 is fixedly connected to the end of the slider 714 away from the connecting seat 2. A connecting rod 713 is fixedly connected to the upper surface of the slider 714, and the upper end of the connecting rod 713 is fixedly connected to the connecting ring 703. A connecting groove 708 is opened on the inner wall of the connecting post 702, and an extrusion block 709 is slidably connected to the inner wall of the connecting groove 708. The extrusion block 709 abuts against the inclined block 711. When it is necessary to connect the base plate 1 and the connecting seat 2, the connecting plate 701 can be first fitted onto the surface of the four connecting posts 702 so that the connecting seat 2 is initially positioned above the base plate 1. Then, rotating the threaded ring 705 causes it to move downwards along the screw 704 due to its threaded connection with the screw 704. This causes the connecting ring 703 to move downwards simultaneously. The connecting ring 703, through the connecting rod 713, pushes the slider 714 to slide along the slide rail 707 towards the connecting seat 2. The inclined block 711 on the slider 714 moves accordingly and presses against the pressing block 709 in the connecting groove 708. After being pressed by the inclined block 711, the pressing block 709 extends outwards from the connecting post 702 and presses against the inner wall of the connecting plate 701, thereby firmly connecting the connecting plate 701 and the connecting post 702. This achieves rapid assembly and fixation of the base plate 1 and the connecting seat 2, improving the convenience of device installation and the stability of the connection. The slide rail 707 is internally fixedly connected to a limit rod 712, which is connected to the slider 714. The sliding connection and the limiting rod 712 can limit the slider 714 to prevent it from deviating when sliding on the inner wall of the slide rail 707, thus improving the stability of the slider 714. The inclined block 711 is fixedly connected to the side near the extrusion block 709 with a slide bar 710. The slide bar 710 is slidably connected to the extrusion block 709 and can limit the inclined block 711 and the extrusion block 709 to prevent them from deviating. The arc surface of the threaded ring 705 is provided with several levers 706. The levers 706 are evenly distributed on the threaded ring 705. When it is necessary to rotate the threaded ring 705, the levers 706 can be rotated directly, and the levers 706 drive the threaded ring 705 to rotate, making it more convenient to rotate the threaded ring 705.

[0026] like Figure 1 and Figure 3As shown, the auxiliary structure 8 includes a connector 85, which is connectable to the robotic arm 3. A connector 86 is fixedly connected to the side of the suction cup 5 near the connecting arm 4. Several auxiliary rods 83 are slidably connected to the inner wall of the connector 86 and the connector 85. The auxiliary rods 83 are fixedly connected to the suction cup 5. A rotating ring 81 is slidably connected to the end of the auxiliary rod 83 away from the suction cup 5. The rotating ring 81 is threadedly connected to the robotic arm 3. When it is necessary to connect the connecting arm 4 and the suction cup 5, the connector 86 is slid into the connector 85, causing the auxiliary rods 83 to be simultaneously inserted into the corresponding pre-set holes in the connector 85. Then, the rotating ring 81 is rotated to move along the threaded surface of the connecting arm 4 towards the connector 85. During this movement, the rotating ring 81 gradually squeezes the end of the auxiliary rod 83 away from the suction cup 5, forcing the auxiliary rod 83 to drive the connector 86 and the connector 85 to fit more tightly together, thereby quickly achieving... The secure assembly between the suction cup 5 and the connecting arm 4 avoids the tedious operation of tightening bolts one by one in traditional connection methods, improving installation efficiency. At the same time, the even distribution of multiple auxiliary rods 83 ensures the force balance of the suction cup 5 during operation, effectively preventing the problem of unstable suction due to loose connection. The arc surface of the threaded ring 705 has several slots 82, which are evenly distributed on the rotating ring 81. The slots 82 can increase the friction between the hand and the rotating ring 81, preventing slippage when rotating the rotating ring 81. Several anti-slip sleeves 84 are fixedly connected to the inner walls of the connecting piece 86 and the connecting piece 85. The anti-slip sleeves 84 are evenly distributed inside the connecting piece 86 and the connecting piece 85, which can increase the friction between the connecting rod 713 and the connecting piece 86 and the connecting piece 85, preventing the connecting rod 713 from slipping when fixed.

[0027] like Figure 1 and Figure 3 As shown, the fixed structure 9 includes a connecting ring 91, which is fixedly connected to the connecting arm 4. The connecting ring 91 has several slots 93 inside. A pipe 96 is slidably connected to the inner wall of the connecting ring 91. Several round pads 92 are fixedly connected to the arc surface of the pipe 96. The connecting ring 703 has an auxiliary groove 95 inside, and a sealing gasket 94 is fixedly connected inside the auxiliary groove 95. When it is necessary to connect the connecting pipe 6 to the connecting arm 4, the pipe 96 can be inserted into the connecting ring 91, causing the round pads 92 to engage with the inner wall of the slots 93. At the same time, the sealing gasket 94 is tightly fitted to the surface of the pipe 96, thereby achieving rapid positioning and sealing connection of the pipe 96. This effectively prevents loosening or leakage at the connection point, improving the stability and sealing performance of the connection. The sealing gasket 94 has an annular cross-section and is made of silicone. The silicone material further enhances the sealing performance and eliminates the risk of air leakage.

[0028] The overall working principle is as follows: When it is necessary to connect the base plate 1 and the connecting seat 2, the connecting plate 701 can be first fitted onto the surface of the four connecting posts 702, so that the connecting seat 2 is initially positioned above the base plate 1. Then, the threaded ring 705 is rotated. Because it is threadedly connected to the screw 704, the threaded ring 705 will move downward along the screw 704, driving the connecting ring 703 to move downward synchronously. The connecting ring 703 pushes the slider 714 along the slide rail 707 towards the connecting seat 2 through the connecting rod 713. The inclined block 711 on the slider 714 moves accordingly and squeezes the extrusion block 709 in the connecting groove 708. After being squeezed by the inclined block 711, the extrusion block 709 extends outward from the connecting post 702 and presses against the inner wall of the connecting plate 701, thereby firmly connecting the connecting plate 701 and the connecting post 702, realizing the connection between the base plate 1 and the connecting seat 2. The quick assembly and fixing of the connector 2 improves the convenience of device installation and the stability of connection. The limiting rod 712 can limit the slider 714 to prevent the slider 714 from deviating when sliding on the inner wall of the slide rail 707, thus improving the sliding stability of the slider 714. The slide bar 710 can limit the inclined block 711 and the pressing block 709 to prevent the inclined block 711 and the pressing block 709 from deviating. When it is necessary to rotate the threaded ring 705, the handle 706 can be rotated directly. The handle 706 drives the threaded ring 705 to rotate, making it more convenient to rotate the threaded ring 705.

[0029] When connecting the connecting arm 4 and the suction cup 5, the connecting piece 86 is slid into the connecting piece 85, allowing the auxiliary rod 83 to be simultaneously inserted into the corresponding pre-set hole in the connecting piece 85. Then, the rotating ring 81 is rotated to move along the threaded surface of the connecting arm 4 towards the connecting piece 85. During the movement, the rotating ring 81 gradually squeezes the end of the auxiliary rod 83 away from the suction cup 5, forcing the auxiliary rod 83 to drive the connecting piece 86 and the connecting piece 85 to fit more tightly, thereby quickly achieving a stable assembly between the suction cup 5 and the connecting arm 4. This avoids the tedious operation of tightening bolts one by one in the traditional connection method, improving installation efficiency. At the same time, the even distribution of multiple auxiliary rods 83 ensures the force balance of the suction cup 5 during operation, effectively preventing the problem of unstable suction due to loose connection. The slot 82 can increase the friction between the hand and the rotating ring 81, preventing slippage when rotating the rotating ring 81. It can also increase the friction between the connecting rod 713 and the connecting piece 86 and the connecting piece 85, preventing the connecting rod 713 from slipping when fixed.

[0030] When it is necessary to connect the connecting pipe 6 to the connecting arm 4, the pipe 96 can be inserted into the connecting ring 91, so that the round pad 92 is engaged with the inner wall of the groove 93, and the sealing gasket 94 is tightly attached to the surface of the pipe 96. This achieves quick positioning and sealing connection of the pipe 96, effectively preventing loosening or leakage at the connection point, improving the stability and sealing of the connection. The silicone material further enhances the sealing and eliminates the risk of air leakage.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. An automated destacking device for automobile body stamping, comprising a base plate (1), a connecting structure (7), and an auxiliary structure (8), characterized in that: The upper surface of the base plate (1) is provided with a connecting seat (2), which is connected to the base plate (1) by means of a connecting structure (7). A mechanical arm (3) is installed at the upper end of the connecting seat (2), and a connecting arm (4) is installed at the upper end of the mechanical arm (3). A suction cup (5) is provided at the output end of the connecting arm (4), and the suction cup (5) is connected to the connecting arm (4) by means of an auxiliary structure (8). The upper surface of the base plate (1) is provided with a connecting structure (7).

2. The automated destacking device for automobile body stamping according to claim 1, characterized in that: The connecting structure (7) includes four connecting posts (702), all of which are fixedly connected to the base plate (1). A connecting plate (701) is slidably connected to the surface of each connecting post (702). The connecting plate (701) is fixedly connected to the connecting seat (2). Two screws (704) are fixedly connected to the upper surface of the connecting seat (2). A connecting ring (703) is slidably connected to the arc surface of each screw (704). Two threaded rings (705) are rotatably connected to the upper surface of the connecting rings (703). The threaded rings (705) are threadedly connected to the screws (704). The inner wall of the connecting column (703) is slidably connected with four slide rails (707). The inner wall of the slide rail (707) is slidably connected with a slider (714). The end of the slider (714) away from the connecting seat (2) is fixedly connected with an inclined block (711). The upper surface of the slider (714) is fixedly connected with a connecting rod (713). The upper end of the connecting rod (713) is fixedly connected with the connecting ring (703). The inner wall of the connecting column (702) is provided with a connecting groove (708). The inner wall of the connecting groove (708) is slidably connected with an extrusion block (709). The extrusion block (709) abuts against the inclined block (711).

3. The automated destacking device for automobile body stamping according to claim 2, characterized in that: The slide rail (707) is internally fixedly connected to a limiting rod (712), and the limiting rod (712) is slidably connected to the slider (714).

4. The automated destacking device for automobile body stamping according to claim 2, characterized in that: The inclined block (711) is fixedly connected to a slide bar (710) on the side near the extrusion block (709), and the slide bar (710) is slidably connected to the extrusion block (709).

5. The automated destacking device for automobile body stamping according to claim 2, characterized in that: The threaded ring (705) has a plurality of handles (706) on its arc surface, and the plurality of handles (706) are evenly distributed on the threaded ring (705).

6. The automated destacking device for automobile body stamping according to claim 1, characterized in that: The connecting arm (4) has an auxiliary structure (8) at one end near the suction cup (5). The auxiliary structure (8) includes a connector (85) which can be connected to the robotic arm (3). A connecting piece (86) is fixedly connected to one side of the suction cup (5) near the connecting arm (4). Several auxiliary rods (83) are slidably connected to the inner wall of the connecting piece (86) and the connecting piece (85). The auxiliary rods (83) are fixedly connected to the suction cup (5). A rotating ring (81) is slidably connected to one end of the auxiliary rod (83) away from the suction cup (5). The rotating ring (81) is threadedly connected to the robotic arm (3).

7. The automated destacking device for automobile body stamping according to claim 6, characterized in that: The threaded ring (705) has a plurality of slots (82) on its arc surface, and the plurality of slots (82) are evenly distributed on the rotating ring (81).

8. The automated destacking device for automobile body stamping according to claim 6, characterized in that: The inner walls of the connector (86) and the connecting member (85) are fixedly connected with a number of anti-slip sleeves (84), and the number of anti-slip sleeves (84) are evenly distributed inside the connector (86) and the connecting member (85).

9. The automated destacking device for automobile body stamping according to claim 1, characterized in that: The connecting arm (4) has a fixing structure (9) at one end away from the suction cup (5). The fixing structure (9) includes a connecting ring (91), which is fixedly connected to the connecting arm (4). The connecting ring (91) has several slots (93) inside. The inner wall of the connecting ring (91) is slidably connected to a pipe (96). The arc surface of the pipe (96) is fixedly connected to several round pads (92). The connecting ring (703) has an auxiliary groove (95) inside. The auxiliary groove (95) is fixedly connected to a sealing pad (94).

10. An automated destacking device for automobile body stamping according to claim 9, characterized in that: The sealing gasket (94) has a circular cross-section and is a silicone gasket.

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