Automatic ear hanging, punching and threading device for metal plate

Abstract

The utility model discloses a kind of metal plate automatic ear hanging punching threading device, including feeding system, the side of feeding system is provided with metal plate preliminary treatment system, the metal plate preliminary treatment system is fixedly arranged with ear hanging preparation system in the side away from feeding system, cutting and ear hanging production of metal plate rely on artificial, not only low efficiency, and worker's labor intensity is big.Punching mechanism adopts stamping punching mode, compared with traditional drilling mode has significant advantage.Less scrap is generated by punching, it is convenient to clean, it is favorable to keep production environment neat, reduce the equipment failure and production quality problem possibly brought by scrap accumulation, the collaborative work of feeding system, metal plate preliminary treatment system, ear hanging preparation system etc. Part, using robot, punch press etc. Equipment, the cutting and ear hanging preparation of metal plate can be quickly and accurately completed, greatly improve production efficiency, reduce the labor intensity of worker.

Description

Technical Field

[0001] This utility model relates to the field of metal plate processing technology, specifically to an automatic ear-hanging, punching, and threading device for metal plates. Background Technology

[0002] With the continuous advancement of my country's industrial capabilities, the use of various metals and alloys has increased dramatically, playing a vital role in industries such as automobiles, metallurgy, and shipbuilding. Most high-purity non-ferrous metals are refined using electrolysis, which requires vertically suspending metal plates (anode plates) containing impurities in the electrolyte. Currently, some metals used in large quantities are typically produced using molds to cast anode plate materials with hanging lugs, such as copper and silver. Others, due to smaller material usage or outdated equipment at manufacturers, are generally suspended manually using mechanical drilling and threading, such as cobalt and antimony.

[0003] In manual operation, the metal plate needs to be punched first, then copper wire is threaded through the holes and secured. Finally, the processed metal plate is suspended in an electrolytic cell for electrolysis. During this process, because the metal plate has not undergone edge treatment, the edges contain many burrs and are sharp, making manual operation prone to injury. Furthermore, the metal plates are generally heavy, resulting in high labor intensity. Based on this, this automatic metal plate ear-attaching, punching, and wire-threading device (hereinafter referred to as the device) was developed, suitable for the electrolysis industry and all industries requiring ear attachment. This device can be remotely controlled or automatically started according to internal time, automatically trimming, punching, and attaching ear attachments to the metal plate. The entire process is fully automated and requires no manual intervention. Utility Model Content

[0004] The purpose of this invention is to provide an automatic metal plate ear-hanging, punching, and threading device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic ear-hanging, punching, and threading device for metal plates, comprising a feeding system, a metal plate pretreatment system disposed on the side of the feeding system, an ear-hanging preparation system fixedly disposed on the side of the metal plate pretreatment system away from the feeding system, an automatic ear-hanging device fixedly disposed on the side of the ear-hanging preparation system away from the metal plate pretreatment system, an automatic punching device fixedly disposed on the side of the automatic ear-hanging device away from the ear-hanging preparation system, an automatic threading device fixedly disposed on the side of the ear-hanging preparation system, a servo turntable fixedly disposed on the side of the ear-hanging preparation system away from the metal plate pretreatment system, a second linear guide rail horizontally and symmetrically fixedly disposed on the top surface of the automatic threading device, a cylinder horizontally fixedly disposed on the top surface of the automatic threading device, a pressing gripper fixedly connected to the sliding block on the top surface of the second linear guide rail, and pressing gripper fingers connected to the side of the pressing gripper; The feeding system includes a lead screw assembly, on the top surface of which a linear guide rail is horizontally fixedly mounted, and a connecting plate is symmetrically fixedly connected to the side of the linear guide rail. A pneumatic gripper is fixedly mounted on the side of the connecting plate. The automatic ear-attaching device includes a frame, with the frame fixedly connected to the side of the automatic ear-attaching device. A linear module is fixedly connected to one side of the frame, and a fixed-side gripper is connected to the side of the linear module. An electromagnet is fixedly installed on the side of the fixed-side gripper, and a floating-end gripper is connected to the side of the fixed-side gripper. The automatic threading device includes an electromagnetic annular guide rail symmetrically arranged on the side of the main board of the automatic threading device, and an operating pneumatic gripper engaged on the inner side of the electromagnetic annular guide rail.

[0006] Preferably, the automatic drilling device is fixedly installed on the side near the servo turntable. The automatic drilling device includes a robotic arm and a multi-directional drilling body structure. The automatic drilling device is fixedly installed on one end of the top center line of the motherboard.

[0007] Preferably, the automatic threading device is fixedly installed on the side near the servo turntable, and the automatic threading device is positioned symmetrically to the automatic hook-and-loop device. The automatic threading device, the automatic hook-and-loop device, and the automatic punching device are arranged in a surrounding arrangement on the side of the servo turntable.

[0008] Preferably, the top surface of the servo turntable is provided with a rotating platform structure, and there are two linear guide rails. The two linear guide rails are fixedly and parallel to each other on the top surface of the platform of the automatic threading device, and the output end of the cylinder is horizontally extended and fixedly connected to the side of the top sliding block of the linear guide rail.

[0009] Preferably, the clamping claw fingers are symmetrically and parallelly connected at the connecting end of the clamping pneumatic gripper, the lead screw assembly is sleeved on the outer side of the linear guide rail through the sliding block on the bottom surface, there are two connecting plates, and the two connecting plates are arranged in parallel with each other. The connecting plates are arranged in an L-shape, and the pneumatic gripper is fixedly connected at the top side of the connecting plate.

[0010] Preferably, the side center of the frame is connected to the rotating head of the robotic arm of the automatic ear-attaching device. There are two fixed side grippers, which are arranged symmetrically and parallel to each other. The electromagnetic ring guide is arc-shaped, and the connecting end of the operating gripper is engaged with the inner side of the electromagnetic ring guide.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This automatic metal plate ear-punching and wire-threading device utilizes a punching mechanism, offering significant advantages over traditional drilling methods. The punching speed is faster, enabling the punching of multiple holes in a short time, thus improving production efficiency. Simultaneously, the punching process generates less debris, facilitating cleaning and maintaining a clean production environment, reducing potential equipment malfunctions and product quality issues caused by debris accumulation. Furthermore, pre-pressing can be performed before punching, effectively preventing positional changes in the metal plate on the servo turntable, ensuring punching accuracy and product quality. The device incorporates machine vision recognition and robotic operation technology. A 2D vision camera accurately measures the dimensions of the metal plate to determine the cutting position, resulting in more precise cutting and avoiding errors that may occur with manual measurement. Robotic operation ensures the stability and consistency of each process. For example, in operations such as threading ear loops and copper wire, the robot accurately executes actions according to a preset program, eliminating fluctuations caused by human intervention. This precise operation helps improve product quality, resulting in higher consistency in the produced metal plate ear loops and other products. Meanwhile, machine vision and robotic operation facilitate subsequent automation upgrades, enabling integration and simplification with other automated equipment. This system boasts strong versatility and employs a flexible design philosophy. In actual production, metal plates come in various specifications, differing in size and thickness. Through rational structural design and parameter adjustments, this device can adapt to the processing requirements of various metal plate specifications. For example, the vacuum adsorption platform and robotic gripper of the feeding system can be appropriately adjusted according to the size of the metal plate to ensure stable gripping and placement; the various stations and equipment of the servo turntable can also be flexibly configured and adjusted according to the processing needs of different metal plate specifications. This versatility and flexible design allows the device to function effectively in different production scenarios, improving equipment utilization and production efficiency. The device as a whole automates the cutting and ear-attaching operations of metal plates before electrolysis. Traditionally, metal plate cutting and ear-attaching rely heavily on manual labor, which is not only inefficient but also physically demanding for workers. For example, manual cutting of metal sheets requires manual measurement and cutting, which is slow and difficult to guarantee accuracy; making lugs also requires manual bending and shaping, which is time-consuming and labor-intensive. This device, through the coordinated work of its feeding system, metal sheet pretreatment system, and lug preparation system, utilizes equipment such as robots and stamping machines to quickly and accurately complete the cutting of metal sheets and the preparation of lugs, greatly improving production efficiency and reducing the labor intensity of workers. Attached Figure Description

[0012] Figure 1 This is a three-dimensional installation and connection diagram of the present invention; Figure 2 This is a schematic diagram of the hanging ear mechanism of this utility model; Figure 3 This is a schematic diagram of the pneumatic gripper locking mechanism of this utility model; Figure 4 This is a schematic diagram of the threading mechanism of this utility model; Figure 5 This is a schematic diagram of the copper wire clamping mechanism of this utility model.

[0013] In the diagram: 1. Feeding system; 17. Lead screw assembly; 18. Linear guide rail one; 19. Connecting plate; 20. Pneumatic gripper; 2. Metal plate pretreatment system; 3. Ear preparation system; 4. Automatic ear insertion device; 12. Frame; 13. Linear module; 14. Fixed side gripper; 15. Electromagnet; 16. Floating end gripper; 5. Automatic punching device; 6. Automatic threading device; 21. Electromagnetic ring guide rail; 22. Operating pneumatic gripper; 7. Servo turntable; 8. Linear guide rail two; 9. Cylinder; 10. Clamping pneumatic gripper; 11. Clamping gripper finger. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Example 1: like Figure 1-5As shown, this utility model provides a technical solution: an automatic metal plate ear-hanging, punching, and threading device, including a feeding system 1, a metal plate pretreatment system 2 disposed on the side of the feeding system 1, the feeding system 1 being fixedly disposed at one end of the center line of the top surface of the main plate, and the feeding system 1 being disposed on the side near the metal plate pretreatment system 2, the feeding system 1 including a material stacking structure and a feeding component assembly, the metal plate pretreatment system 2 being fixedly disposed on the top surface of the main plate, the metal plate pretreatment system 2 including vacuum adsorption, because the plate is a thin plate, the incoming material may have warped edges. Furthermore, vacuum adsorption and flattening facilitates camera measurement of length and width, thus determining the cutting dimensions and range. The metal sheet pretreatment system 2 has a fixed ear preparation system 3 on the side furthest from the feeding system 1. The ear preparation system 3 is fixedly positioned at the center line of the top surface of the main board, and the metal sheet pretreatment system 2 is located between the feeding system 1 and the ear preparation system 3. The ear preparation system 3 is equipped with a metal sheet stamping, cutting, and clamping adjustment structure. An automatic ear-attaching device 4 is fixedly installed on the side of the ear preparation system 3 furthest from the metal sheet pretreatment system 2. The automatic ear-attaching device 4 is fixed... The automatic ear-attaching device 4, equipped with a robotic arm, is positioned near the side of the servo turntable 7. The ear-attaching preparation system 3 is fixedly positioned between the metal plate pretreatment system 2 and the automatic ear-attaching device 4. The automatic ear-attaching device 4 is fixedly positioned on the top surface of the motherboard near its edge. An automatic drilling device 5 is fixedly mounted on the side of the automatic ear-attaching device 4 away from the ear-attaching preparation system 3. The automatic drilling device 5 is fixedly positioned near the side of the servo turntable 7 and includes a robotic arm and a multi-directional drilling body structure. Near one end of the top center line of the motherboard, an automatic threading device 6 is fixedly installed on the side of the ear preparation system 3. A servo turntable 7 is fixedly installed on the side of the ear preparation system 3 away from the metal plate pretreatment system 2. The automatic threading device 6 is fixedly installed on the side near the servo turntable 7. The automatic threading device 6 is positioned symmetrically with the automatic ear-threading device 4. The automatic threading device 6, the automatic ear-threading device 4, and the automatic punching device 5 are arranged in a surrounding pattern on the side of the servo turntable 7. A linear guide rail 8 is horizontally and symmetrically fixed on the top surface of the automatic threading device 6.

[0016] The vacuum adsorption platform and robotic gripper of the feeding system can be adjusted appropriately according to the size of the metal plate to ensure stable gripping and placement; the various stations and equipment of the servo turntable can also be flexibly configured and adjusted according to the processing requirements of metal plates of different specifications.

[0017] Example 2: like Figure 1-5As shown, this utility model provides a technical solution: an automatic metal plate ear-hanging, punching, and threading device, including a feeding system 1, a metal plate pretreatment system 2 disposed on the side of the feeding system 1, the feeding system 1 being fixedly disposed at one end of the top center line of the main board, and the feeding system 1 being disposed on the side close to the metal plate pretreatment system 2, the feeding system 1 including a material stacking structure and a feeding component assembly, the metal plate pretreatment system 2 being fixedly disposed on the top surface of the main board, the metal plate pretreatment system 2 including vacuum adsorption, because the plate is a thin plate, the incoming material may have warped edges, the vacuum adsorption is used to flatten it to facilitate the camera measurement of length and width, to determine the cutting size and range, the metal plate pretreatment system 2 is far away A hanging ear preparation system 3 is fixedly installed on one side of the feeding system 1. The hanging ear preparation system 3 is fixedly located at the center line of the top surface of the main board. The metal plate initial processing system 2 is located between the feeding system 1 and the hanging ear preparation system 3. The hanging ear preparation system 3 is equipped with a metal plate stamping, cutting, and clamping adjustment structure. An automatic hanging ear insertion device 4 is fixedly installed on the side of the hanging ear preparation system 3 away from the metal plate initial processing system 2. The automatic hanging ear insertion device 4 is fixedly located on the side near the servo turntable 7 and is equipped with a robotic arm structure. The hanging ear preparation system 3 is fixedly located between the metal plate initial processing system 2 and the automatic hanging ear insertion device 4. The automatic hanging ear insertion device 4 is fixedly located on the main board. Near the edge of the top surface of the board, an automatic ear-threading device 4 is fixedly equipped with an automatic drilling device 5 on the side away from the ear-threading preparation system 3. The automatic drilling device 5 is fixedly positioned near the servo turntable 7 and includes a robotic arm and a multi-directional drilling body structure. The automatic drilling device 5 is fixedly positioned near one end of the centerline of the top surface of the main board. An automatic threading device 6 is fixedly installed on the side of the ear-threading preparation system 3. The servo turntable 7 is fixedly installed on the side of the ear-threading preparation system 3 away from the metal plate initial processing system 2. The automatic threading device 6 is fixedly positioned near the servo turntable 7 and is symmetrically positioned to the automatic ear-threading device 4. The threading device 6, the automatic threading ear device 4, and the automatic punching device 5 are arranged around the side of the servo turntable 7. The top surface of the automatic threading device 6 is horizontally and symmetrically fixed with linear guide rails 8. The top surface of the automatic threading device 6 is horizontally and fixed with cylinders 9. The top surface of the servo turntable 7 is provided with a rotating platform structure. There are two linear guide rails 8, and the two linear guide rails 8 are parallel and symmetrically fixed to each other on the top surface of the platform of the automatic threading device 6. The output end of the cylinder 9 extends horizontally and is fixedly connected to the side of the top sliding block of the linear guide rail 8. The top sliding block of the linear guide rail 8 is fixedly connected with a clamping gripper 10, and the side of the clamping gripper 10 is connected with a clamping claw finger 11.

[0018] The punching mechanism, employing a stamping method, offers significant advantages over traditional drilling. It allows for faster punching speeds, enabling the creation of multiple holes in a shorter time, thus improving production efficiency.

[0019] Example 3: like Figure 1-5As shown, this utility model provides a technical solution: an automatic metal plate ear-hanging, punching, and threading device, including a feeding system 1, a metal plate pretreatment system 2 disposed on the side of the feeding system 1, the feeding system 1 being fixedly disposed at one end of the top center line of the main board, and the feeding system 1 being disposed on the side close to the metal plate pretreatment system 2, the feeding system 1 including a material stacking structure and a feeding component assembly, the metal plate pretreatment system 2 being fixedly disposed on the top surface of the main board, the metal plate pretreatment system 2 including vacuum adsorption, because the plate is a thin plate, the incoming material may have warped edges, the vacuum adsorption is used to flatten it to facilitate the camera measurement of length and width, to determine the cutting size and range, the metal plate pretreatment system 2 is far away A hanging ear preparation system 3 is fixedly installed on one side of the feeding system 1. The hanging ear preparation system 3 is fixedly located at the center line of the top surface of the main board. The metal plate initial processing system 2 is located between the feeding system 1 and the hanging ear preparation system 3. The hanging ear preparation system 3 is equipped with a metal plate stamping, cutting, and clamping adjustment structure. An automatic hanging ear insertion device 4 is fixedly installed on the side of the hanging ear preparation system 3 away from the metal plate initial processing system 2. The automatic hanging ear insertion device 4 is fixedly located on the side near the servo turntable 7 and is equipped with a robotic arm structure. The hanging ear preparation system 3 is fixedly located between the metal plate initial processing system 2 and the automatic hanging ear insertion device 4. The automatic hanging ear insertion device 4 is fixedly located on the main board. Near the edge of the top surface of the board, an automatic ear-threading device 4 is fixedly equipped with an automatic drilling device 5 on the side away from the ear-threading preparation system 3. The automatic drilling device 5 is fixedly positioned near the servo turntable 7 and includes a robotic arm and a multi-directional drilling body structure. The automatic drilling device 5 is fixedly positioned near one end of the centerline of the top surface of the main board. An automatic threading device 6 is fixedly installed on the side of the ear-threading preparation system 3. The servo turntable 7 is fixedly installed on the side of the ear-threading preparation system 3 away from the metal plate initial processing system 2. The automatic threading device 6 is fixedly positioned near the servo turntable 7 and is symmetrically positioned to the automatic ear-threading device 4. The threading device 6, the automatic threading ear device 4, and the automatic punching device 5 are arranged around the side of the servo turntable 7. The top surface of the automatic threading device 6 is horizontally and symmetrically fixed with linear guide rails 8. The top surface of the automatic threading device 6 is horizontally and fixed with cylinder 9. The top surface of the servo turntable 7 is provided with a rotating platform structure. There are two linear guide rails 8, and the two linear guide rails 8 are parallel and symmetrically fixed to each other on the top surface of the platform of the automatic threading device 6. The output end of the cylinder 9 extends horizontally and is fixedly connected to the side of the top sliding block of the linear guide rail 8. The top sliding block of the linear guide rail 8 is fixedly connected with a clamping claw 10, and the side of the clamping claw 10 is connected with a clamping claw finger 11. The feeding system 1 includes a lead screw assembly 17. A linear guide rail 18 is horizontally fixed on the top surface of the lead screw assembly 17. A connecting plate 19 is symmetrically fixedly connected to the side of the linear guide rail 18. A pneumatic gripper 20 is fixedly installed on the side of the connecting plate 19. A clamping gripper finger 11 is symmetrically and parallelly connected to each other at the connection end of the clamping pneumatic gripper 10. The lead screw assembly 17 is sleeved on the outer side of the linear guide rail 18 through a sliding block on the bottom surface. There are two connecting plates 19, and the two connecting plates 19 are arranged in parallel to each other. The connecting plates 19 are arranged in an L-shape. The pneumatic gripper 20 is fixedly connected to the top side of the connecting plate 19. The automatic ear-attaching device 4 includes a frame 12. The frame 12 is fixedly connected to the side of the automatic ear-attaching device 4. A linear module 13 is fixedly connected to one side of the frame 12. A fixed side gripper 14 is connected to the side of the linear module 13. An electromagnet 15 is fixedly installed on the side of the fixed side gripper 14. A floating end gripper 16 is connected to the side of the fixed side gripper 14. The automatic threading device 6 includes an electromagnetic ring rail 21 symmetrically arranged on the side of the main board of the automatic threading device 6. An operating gripper 22 is engaged on the inner side of the electromagnetic ring rail 21. The center of the side of the frame 12 is connected to the rotating head of the robotic arm of the automatic threading ear device 4. There are two fixed side grippers 14, which are arranged symmetrically and parallel to each other. The electromagnetic ring rail 21 is arc-shaped, and the connecting end of the operating gripper 22 is engaged on the inner side of the electromagnetic ring rail 21.

[0020] The design of the automated wire threading device makes the threading process more complete and reliable. From the copper wire unwinding mechanism releasing the specified length of copper wire, to the robot operating the pneumatic gripper to clamp and bend it, to the electromagnetic ring guide rail driving the pneumatic gripper to bend the copper wire to a predetermined angle and pass it through the hole, and finally to the copper wire clamping mechanism performing clamping and twisting actions, the entire process is automated.

[0021] Working Principle: The feeding system includes a material basket, robot, fixtures, vacuum adsorption platform, and 2D vision camera. It starts automatically when the start button is pressed manually or when the system automatically detects the material basket. The basket is a square frame. The raw material loading / unloading robot uses a vacuum suction cup to grab the center of the raw material in the basket and places it on the vacuum adsorption platform at the vision measurement station. This platform can adsorb and flatten uneven surfaces of the raw material. Then, the 2D vision camera measures the metal sheet to determine the cutting position. The raw material loading / unloading robot first cuts the sheet and then precisely grabs it. The rollers then rotate again to send the metal sheet back to the vicinity of the turntable loading / unloading robot. The turntable loading / unloading robot grabs the metal sheet and places it at the stamping machine position for ear-making. The stamping machine uses a preset mold to create two ear-making loops per operation. If the system determines that the number of ear-making loops is greater than 0, the robot first punches holes in the metal sheet and then performs leveling in the X and Y directions. The ear loops are prepared using a stamping machine. Pre-set molds are used for direct stamping, producing two loops at a time. A servo motor provides precise angle control, allowing for intermittent 90-degree rotation. The turntable has four stations: loading / unloading, ear loop insertion, punching, and copper wire insertion. Each station is equipped with a vacuum adsorption platform for fixing the metal plate. At the outermost bottom of the platform, a pneumatic gripper locking mechanism, consisting of a lead screw assembly 7, linear guide rail 8, connecting plate 9, and pneumatic gripper 10, is installed to clamp the folded ear loops during automated operation. The machine includes a frame 12, a linear module 13, a fixed-side gripper 14, an electromagnet 15, and a floating-end gripper 16. The ear loop insertion mechanism holds the ear loops, the fixed-end gripper holds the bottom of the ear loop, and the linear module moves to the top position to guide the movable-end gripper to grasp it. The robot moves the lug-threading mechanism to the designated position. At this point, the fixed-end gripper releases, and the movable-end clamping device clamps, acting as a guide plate. The linear module slowly descends to thread the lug into the hole in the cobalt plate. Following a series of gripper releases and clamping cycles, along with the movement of the linear module and the robot's rotation, the electromagnet completes the insertion and folding of the lug. Finally, the locking pneumatic gripper on the servo turntable clamps the lug. Using a punching and drilling method, the punching mechanism can complete two pairs of punches in one operation after the metal plate reaches the punching station. At the copper wire unwinding station, a set length of copper wire is unwound. The robot operates the pneumatic gripper to hold it, first bending both ends of the copper wire by 90 degrees. Then, the electromagnetic ring guide rail drives the pneumatic gripper to bend the copper wire to a predetermined angle. The robot holds the copper wire from below and passes it through the hole punched in the previous process, where the clamping mechanism clamps it. Each gripper holds the curved arc portion of the copper wire and rotates it 90 degrees to facilitate subsequent processes.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic metal plate ear-hanging, punching, and threading device, comprising a feeding system (1), characterized in that: The feeding system (1) is provided with a metal plate pretreatment system (2) on its side. The metal plate pretreatment system (2) is provided with a hanging ear preparation system (3) on the side away from the feeding system (1). The hanging ear preparation system (3) is provided with an automatic hanging ear insertion device (4) on the side away from the metal plate pretreatment system (2). The automatic hanging ear insertion device (4) is provided with an automatic punching device (5) on the side away from the hanging ear preparation system (3). The hanging ear preparation system (3) is provided with an automatic threading device (6) on its side. The hanging ear preparation system (3) is provided with a servo turntable (7) on the side away from the metal plate pretreatment system (2). The top surface of the automatic threading device (6) is provided with a horizontally symmetrical linear guide rail (8). The top surface of the automatic threading device (6) is provided with a horizontally fixed cylinder (9). The top sliding block of the linear guide rail (8) is fixedly connected to a clamping gripper (10). A clamping gripper (10) is connected to a clamping gripper finger (11) on its side. A screw assembly (17) is provided on the top surface of the feeding system (1). A linear guide rail (18) is horizontally fixed on the top surface of the screw assembly (17). A connecting plate (19) is symmetrically fixed to the side of the linear guide rail (18). A gripper (20) is fixed to the side of the connecting plate (19). A frame (12) is fixedly connected to the side of the automatic hanging ear device (4). The frame (12) is connected to the side of the device. 2) A linear module (13) is fixedly connected to one side. A fixed side gripper (14) is connected to the side of the linear module (13). An electromagnet (15) is fixedly installed on the side of the fixed side gripper (14). A floating end gripper (16) is connected to the side of the fixed side gripper (14). An electromagnetic ring rail (21) is symmetrically opened on the side of the main board of the automatic threading device (6). An operating pneumatic gripper (22) is snapped into the inner side of the electromagnetic ring rail (21).

2. The automatic metal plate ear-hanging, punching, and threading device according to claim 1, characterized in that: The automatic punching device (5) is fixedly installed on the side near the servo turntable (7). The automatic punching device (5) includes a robotic arm and a multi-directional punching machine structure. The automatic punching device (5) is fixedly installed on the top surface of the motherboard near one end of the center line.

3. The automatic metal plate ear-hanging, punching, and threading device according to claim 1, characterized in that: The automatic threading device (6) is fixedly installed on the side near the servo turntable (7). The automatic threading device (6) is installed in a position symmetrical to the automatic hanging ear device (4). The automatic threading device (6), the automatic hanging ear device (4), and the automatic punching device (5) are arranged in a surrounding manner on the side of the servo turntable (7).

4. The automatic metal plate ear-hanging, punching, and threading device according to claim 1, characterized in that: The servo turntable (7) has a rotating platform structure on its top surface. There are two linear guide rails (8), and the two linear guide rails (8) are fixedly and parallel to each other on the top surface of the platform of the automatic threading device (6). The output end of the cylinder (9) is horizontally extended and fixedly connected to the side of the top sliding block of the linear guide rail (8).

5. The automatic metal plate ear-hanging, punching, and threading device according to claim 1, characterized in that: The clamping claw fingers (11) are symmetrically and parallelly connected to each other at the connection end of the clamping air claw (10). The screw assembly (17) is sleeved on the outer side of the linear guide rail (18) through the sliding block on the bottom surface. There are two connecting plates (19), and the two connecting plates (19) are arranged in parallel to each other. The connecting plates (19) are arranged in an L-shape. The air claw (20) is fixedly connected to the top side of the connecting plate (19).

6. The automatic metal plate ear-hanging, punching, and threading device according to claim 1, characterized in that: The side center of the frame (12) is connected to the rotating head of the robotic arm of the automatic hanging ear device (4). There are two fixed side grippers (14), and the two fixed side grippers (14) are arranged symmetrically and parallel to each other. The electromagnetic ring rail (21) is arc-shaped, and the connecting end of the operating pneumatic gripper (22) is snapped into the inner side of the electromagnetic ring rail (21).

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