Metal layer positioning device

Abstract

The present invention provides a metal layer plate positioning device, comprising a machine base, a fixed seat is fixed at one end of the top surface of the machine base, a sliding seat is slidably arranged at the other end of the top surface of the machine base close to or away from the fixed seat, a left end positioning block is transversely fixed on the top surface of the fixed seat, a right end positioning block is transversely fixed on the top surface of the sliding seat, two left end positioning blocks and two right end positioning blocks are respectively used to clamp the two ends of the metal layer plate for positioning, a rear side positioning block and a front side pushing positioning assembly are relatively fixed longitudinally on the top surface of the fixed seat, a rear side positioning block and a front side pushing positioning assembly are also relatively fixed longitudinally on the top surface of the sliding seat, and the left end positioning block, the right end positioning block, the rear side positioning block and the front side pushing positioning assembly jointly form a square positioning space. The metal layer plate positioning device of the present invention can ensure accurate welding position and firm welding, and realize the automated production of large quantities of metal layers.

Description

Technical Field

[0001] The invention relates to the technical field of metal layer plate welding, and in particular to a metal layer plate positioning device. Background Art

[0002] The metal layer plate involved in the present invention is a square support plate formed by welding a metal panel through folding edges on all sides. At present, before welding the metal layer plate, the metal layer plate needs to be positioned. Due to the uniqueness of the metal layer plate structure, it cannot be achieved using a traditional layer plate positioning device. Therefore, it is urgent to design a new metal layer plate positioning device to ensure accurate welding position and realize the automated production of large quantities of metal layer plates. Summary of the invention

[0003] In view of the above, it is necessary for the present invention to provide a metal layer plate positioning device to ensure accurate welding position, firm welding, and realize automated production of large quantities of metal layers.

[0004] The technical solution of the present invention:

[0005] A metal layer plate positioning device comprises a machine base, a fixed seat is fixed at one end of the top surface of the machine base, and a sliding seat is provided on the other end of the top surface of the machine base which can be slid close to or away from the fixed seat. A left end positioning block is fixed laterally on the top surface of the fixed seat, and a right end positioning block is fixed laterally on the top surface of the sliding seat. The two left end positioning blocks and the two right end positioning blocks are respectively used to clamp the two ends of the metal layer plate for positioning. A rear side positioning block and a front side pushing positioning assembly are relatively fixed longitudinally on the top surface of the fixed seat, and a rear side positioning block and a front side pushing positioning assembly are also relatively fixed longitudinally on the top surface of the sliding seat. The left end positioning block, the right end positioning block, the rear side positioning block and the front side pushing positioning assembly jointly form a square positioning space for placing the metal layer plate, and then the two right end positioning blocks are driven by the sliding seat to move a predetermined distance toward the left end positioning block, and then the left and right ends of the metal layer plate are clamped for positioning, and then the metal layer plate is pushed toward the rear side positioning block by the two front side pushing positioning assemblies to move a predetermined distance, and then the front and rear sides of the metal layer plate are positioned.

[0006] Furthermore, the fixed seat and the sliding seat are respectively provided with flipping and shaping mechanisms for cooperating with the rear positioning block and the front pushing positioning assembly to clamp and shape the side panels of the metal layer. Two sets of clamping and shaping mechanisms are relatively arranged on the fixed seat, and two sets of clamping and shaping mechanisms are also relatively arranged on the sliding seat, so as to clamp and shape the welding positions at the four corners of the metal layer and then weld them through a welding robot.

[0007] Furthermore, the flipping and shaping mechanism includes two bearing seats relatively fixed on the sliding seat, and a flip shaft is rotatably installed on the two bearing seats through bearings. A flip driving member for driving the flip shaft to flip back and forth is installed on the outer side of one bearing seat. A flip frame is fixedly connected to the flip shaft, and one end of the flip frame is fixed on the flip shaft, and the other end thereof extends radially along the flip shaft. Shaping components are respectively fixed on both sides of the extended end of the flip frame to cooperate with the rear positioning block and the front pushing positioning component to clamp and shape the front and rear sides of the metal layer.

[0008] Furthermore, the shaping assembly includes a shaping drive member and a shaping block. The shaping drive member is fixed on the turning frame, and the shaping block is fixed on the driving end of the shaping drive member.

[0009] Furthermore, the pressing and shaping mechanism includes a fixed frame, one end of the fixed frame is fixed on the sliding seat, and the other end thereof extends to the outside of the fixed frame. A swing arm is hinged on the top of the fixed frame, and a shaping mold for shaping the four corners of the metal layer plate is fixed on one end of the swing arm. The bottom end of the fixed frame is hinged to a base extending to the outside of the fixed frame, and a jacking drive component is fixed on the base, and the jacking end of the jacking drive component is hinged to the other end of the swing arm.

[0010] Furthermore, a hinge seat is fixed on the swing arm, and the bottom end of the hinge seat is hinged to the top end of the fixing frame through a hinge shaft.

[0011] Furthermore, a limiting block is fixed at the top of the fixing frame near the hinge seat, and a limiting groove opening upward is provided on the limiting block. When the swing arm presses down the metal layer plate, it is limited to be located in the limiting groove of the limiting block.

[0012] Furthermore, the shaping mold includes a connecting section and a mold section integrally connected in an L shape, one end of the connecting section is fixed on the swing arm, a pressing block protrudes downward from the protruding end of the mold section, and a shaping block compatible with the hanging hole of the metal layer plate protrudes downward from the lower surface of the pressing block.

[0013] Furthermore, the front side pushing and positioning assembly includes a telescopic driving member fixed on a fixed seat and a push plate fixed to a telescopic end of the telescopic driving member.

[0014] Furthermore, the sliding drive mechanism includes two parallel sliding rails fixed to the top surface of the machine base, a slider is fixed to the bottom surface of the sliding seat, the slider is fixed to the bottom of the sliding seat, the slider is slidably arranged on the sliding rails, and a driving member is provided on the machine base for driving the sliding seat to slide back and forth along the sliding rails.

[0015] Beneficial effects of the present invention:

[0016] The metal layer plate positioning device of the present invention places the metal layer plate to be welded in the square positioning space formed on the fixed seat and the sliding seat, and drives the right end positioning block to move a predetermined distance through the sliding seat, so that the left and right ends of the metal layer plate are positioned. The front side pushes the positioning assembly to position the front and back sides of the metal layer plate. Through the flip shaping mechanism relatively arranged on the fixed seat and the sliding seat and its matching rear side positioning block and push plate, the side plate of the metal layer plate is clamped and shaped to ensure the verticality of the side plate, which is conducive to the precise docking of the four corners of the metal layer plate. After the welding parts of the four corners of the metal layer plate are pressed and shaped by the pressing and shaping mechanism, it is convenient to weld. In this way, the welding position can be accurate and the welding can be firm, and it is easy to realize the automated production of large quantities of metal layers, which is conducive to improving production efficiency and production safety and reducing the labor intensity of workers.

[0017] The preferred embodiments of the present invention and their beneficial effects will be further described in detail in conjunction with specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but should not constitute a limitation of the present invention.

[0019] Figure 1 This is a first-view stereoscopic image of the metal layer of the present invention;

[0020] Figure 2 A second perspective view of the metal layer of the present invention;

[0021] Figure 3 for Figure 2 A magnified view of part A;

[0022] Figure 4 A three-dimensional diagram of a welding system for metal layers of the present invention;

[0023] Figure 5 A reference top view of the use state of the metal layer plate positioning device of the metal layer plate welding system of the present invention;

[0024] Figure 6 A three-dimensional diagram of a flipping and shaping mechanism of a welding system for metal layers of the present invention;

[0025] Figure 7 A three-dimensional diagram of a pressing and shaping mechanism of a welding system for metal layers of the present invention;

[0026] Figure 8 The state diagram of the clamping and shaping mechanism of the welding system for metal layer plates of the present invention when it is opened;

[0027] Fig. 9This is a state diagram of the pressing and shaping mechanism of the welding system for metal layers of the present invention when pressed;

[0028] Fig.10 The figure is a stereoscopic diagram of a molding die of a welding system for metal layers of the present invention. DETAILED DESCRIPTION

[0029] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0030] See also Figures 1 to 3 The present invention provides a metal layer plate 1, comprising a main body plate 11 in a rectangular shape, wherein both ends of the main body plate 11 are respectively bent at right angles to form end plates 12, and both ends of each end plate 12 are bent at right angles to form vertical folded edges 13 and horizontal folded edges 14. The horizontal folded edges 14 are arranged in parallel with the main body plate 11, and one end of each vertical folded edge 13 abuts against the surface of the corresponding horizontal folded edge 14. The outer side surface of each vertical folded edge 13 is flush with the end surface of the corresponding horizontal folded edge 14. Both sides of the main body plate 11 are respectively bent at right angles to form side plates 15, and each side plate 15 is bent inward at right angles to form a flat plate 16, and the flat plate 16 is arranged parallel to the main body plate 11. Both ends of each side plate 15 and the flat plate 16 are provided with connected hanging holes 10 for installation on a support frame. Each vertical fold 13 is provided with a cut corner 19 at one end close to the main plate 11, and each side plate 15 is also provided with a cut corner 19 at both ends. The cut surfaces of the two cut corners 19 are against each other, and the size of the cut corners 19 is preferably 45 degrees, so as to improve the structural strength and aesthetics of the product. The two ends of each flat plate 16 are welded to the corresponding horizontal fold 14. The end surface of each flat plate 16 is welded against the end plate 12 to further improve the structural strength of the layer plate. The outer surface of each flat plate 16 is flush with the end surface of the end plate 12, so that the bottom surface of the metal layer plate 1 remains flat, improving the aesthetics of the product. In order to further improve the structural strength and safety of the metal layer plate 1, each flat plate 16 is bent inward at a right angle to form a reinforcing plate 17, and the reinforcing plate 17 is arranged parallel to the side plate 15. The side plate 15, the flat plate 16 and the reinforcing plate 17 form a square support rod structure to provide support for the main plate 11. A U-shaped hanging piece (not shown) is welded at each hanging hole 10, and the opening of the U-shaped hanging piece faces the hanging hole 10 of the flat plate 16. Insertion holes 18 are provided at both ends of each reinforcing plate 17 for inserting the U-shaped hanging piece for welding. The metal layer plate 1 of the present invention can be formed by cutting the four corners of a metal sheet such as a stainless steel plate or an iron plate, and then bending the metal layer plate 1, and finally welding the two ends of each flat plate 16 to the corresponding horizontal folding edge 14. The manufacturing is simple and convenient, the raw materials can be fully utilized, the manufacturing cost is low, the structural strength is high, and it is easy to realize mass automated production.

[0031] See also Figure 4 and Figure 5 The present invention also provides a welding system for the above-mentioned metal layer plate 1, including a metal layer plate positioning device 2 and a welding robot 3. The metal layer plate positioning device 2 includes a machine base 21, and a fixed seat 22 is fixed at one end of the top surface of the machine base 21. A sliding seat 23 is provided at the other end of the top surface of the machine base 21 so as to be slidable close to or away from the fixed seat 22. Two left end positioning blocks 221 are fixed laterally on the top surface of the fixed seat 22, and two right end positioning blocks 231 are fixed laterally on the top surface of the sliding seat 23. The two left end positioning blocks 221 and the two right end positioning blocks 231 are respectively used to clamp the two ends of the metal layer plate 1 for positioning. A rear side positioning block 222 and a front side pushing positioning assembly 223 are relatively fixed longitudinally on the top surface of the fixed seat 22, and a rear side positioning block 222 and a front side pushing positioning assembly 223 are also relatively fixed longitudinally on the top surface of the sliding seat 23. The two left-end positioning blocks 221, the two right-end positioning blocks 231, the two sets of rear-side positioning blocks 222 and the front-side pushing positioning assembly 223 together form a square positioning space for placing the metal layer plate 1, and then the two right-end positioning blocks 231 are driven by the sliding seat 23 to move a predetermined distance toward the left-end positioning block 221, and then the left and right ends of the metal layer plate 1 are clamped and positioned. Then, the two front-side pushing positioning assemblies 223 push the metal layer plate 1 to move a predetermined distance toward the rear-side positioning block 222, and then the front and rear sides of the metal layer plate 1 are positioned.

[0032] In this embodiment, the front side pushing and positioning assembly 223 includes a telescopic driving member 2231 fixed on the fixing seat 22 and a push plate 2232 fixed to the telescopic end of the telescopic driving member 2231. The push plate 2232 pushes the metal layer plate 1 to move and position.

[0033] The fixed seat 22 and the sliding seat 23 are respectively provided with a flip shaping mechanism 24, which is used to cooperate with the rear positioning block 222 and the push plate 2232 of the front pushing positioning assembly 223 to clamp and shape the side plate 15 of the metal layer plate 1 to prevent product deformation and improve product quality. Two sets of pressing and shaping mechanisms 25 are relatively arranged on the fixed seat 22, and two sets of pressing and shaping mechanisms 25 are also relatively arranged on the sliding seat 23 to press and shape the welding parts at the four corners of the metal layer plate 1 and then weld them through the welding robot 3.

[0034] The welding system for metal layer plates of the present invention is matched by setting a metal layer plate positioning device 2 and a welding robot 3. The metal layer plate 1 to be welded is placed in a square positioning space formed by a fixed seat 22 and a sliding seat 23, and the right end positioning block 231 is driven by the sliding seat 23 to move a predetermined distance, so that the left and right ends of the metal layer plate 1 are positioned. The front side pushes the positioning assembly 223 to move, so that the front and rear sides of the metal layer plate 1 are positioned. Through the flip shaping mechanism 24 and the matching rear side positioning block 222 and push plate 2232 respectively arranged on the fixed seat 22 and the sliding seat 23, the side plate 15 of the metal layer plate 1 is clamped and shaped to ensure the verticality of the side plate 15, which is conducive to the precise docking of the four corners of the metal layer plate 1. After the welding parts of the four corners of the metal layer plate 1 are pressed and shaped by the pressing and shaping mechanism 25, welding is performed by the welding robot 3. In this way, the welding position can be accurate and the welding is firm, and it is easy to realize the automated production of large quantities of metal layer plates 1, which is conducive to improving production efficiency and production safety and reducing the labor intensity of workers.

[0035] A sliding drive mechanism 26 is provided between the machine base 21 and the sliding seat 23. The sliding drive mechanism 26 includes two parallel sliding rails fixed to the top surface of the machine base 21. A slider is fixed to the bottom surface of the sliding seat 23. The slider is fixed to the bottom of the sliding seat 23 and is slidably arranged on the sliding rails. A driving member for driving the sliding seat 23 to slide back and forth along the sliding rails is provided on the machine base 21. The driving member is fixed to the top surface of the machine base 21 and is located between the two parallel sliding rails. The driving member is a cylinder, and the piston rod of the cylinder is connected to the sliding seat 23. The sliding seat 23 is driven to slide back and forth along the sliding rails through the telescopic action of the cylinder. Such a design structure is simple, and it is easy to realize the reciprocating sliding action of the sliding seat 23, thereby ensuring the stability of operation.

[0036] See also Figure 6 In this embodiment, the flip shaping mechanism 24 includes two bearing seats 241 relatively fixed on the sliding seat 23, and the flip shaft 242 is rotatably mounted on the two bearing seats 241 through bearings. A flip driving member 243 for driving the flip shaft 242 to flip back and forth is installed on the outer side of one bearing seat 241. The flip driving member 243 is preferably a flip cylinder, which is fixed to the outer side of the bearing seat 241. The output shaft of the flip cylinder is connected to the flip shaft 242, thereby driving the flip shaft 242 to flip back and forth. A flip frame 244 is fixedly connected to the flip shaft 242, one end of the flip frame 244 is fixed to the flip shaft 242, and the other end thereof extends radially along the flip shaft 242. Shaping components 245 are fixed on both sides of the protruding end of the flip frame 244, so as to cooperate with the rear side positioning block 222 and the front side push positioning component 223 to clamp and shape the front and rear sides of the metal layer plate 1.

[0037] The flipping and shaping mechanism 24 of this embodiment drives the shaping component 245 on the flip frame 244 through the flip shaft 242 to clamp and shape the front and back sides of the metal layer plate 1. When the flip frame 244 drives the shaping component 245 to flip outward, it is convenient to place the metal layer plate 1 for positioning, avoiding occupying too much operating space, making it more convenient to take and put the metal layer plate 1. After the metal layer plate 1 is positioned, the shaping component 245 on the flip frame 244 is driven by the flip shaft 242 to flip into the cavity of the metal layer plate 1, so that the shaping component 245 cooperates with the rear side positioning block 222 and the front side push positioning component 223 to clamp and shape the front and back sides of the metal layer plate 1. The flipping and shaping mechanism 24 adopting the above structure is simple and compact in structure, easy to control in action, can quickly realize the shaping of the metal layer plate 1, and is conducive to improving the aesthetics of the shape of the metal layer plate 1.

[0038] In this embodiment, the flip frame 244 includes two support rods 2441 and a flip plate 2442. A mounting groove matching the size of the support rod 2441 is provided in the middle of the flip shaft 242. One end of each support rod 2441 is fixed in the corresponding mounting groove by a bolt and is perpendicular to the flip shaft 242. A flip plate 2442 is fixed to the other end of the two support rods 2441, and the flip plate 2442 is connected to the two support rods 2441 in a T-shape. The flip frame 244 adopting the above structure is simple in structure, easy to process, convenient to install, and easy to achieve stable flipping action.

[0039] In this embodiment, the shaping assembly 245 includes a shaping driver 2451 and a shaping block 2452. The shaping driver 2451 is fixed to one end of the flip plate 2442, and the shaping block 2452 is fixed to the driving end of the shaping driver 2451. The shaping driver 2451 drives the shaping block 2452 to abut against the reinforcing plate 17 of the metal layer plate 1 to perform shaping. The shaping driver 2451 is preferably a cylinder driver, which is easy to realize telescopic shaping action and has a low manufacturing cost.

[0040] See also Figures 7 to 9 In this embodiment, the pressing and shaping mechanism 25 includes a fixed frame 251, one end of which is fixed on the sliding seat 23, and the other end thereof extends out of the fixed frame 251. A swing arm 252 is hinged at the top of the fixed frame 251, and a shaping mold 253 for shaping the four corners of the metal layer plate 1 is fixed at one end of the swing arm 252. A base 254 extending outward from the fixed frame 251 is hinged at the bottom of the fixed frame 251, and a lifting driving member 255 is fixed on the base 254. The lifting end of the lifting driving member 255 is hinged to the other end of the swing arm 252, so as to drive the swing arm 252 and the shaping mold 253 to swing back and forth around the hinge at the top of the fixed frame 251.

[0041] The clamping and shaping mechanism 25 of this embodiment drives the swing arm 252 and the shaping die 253 to swing around the hinge at the top of the fixing frame 251 through the lifting driving member 255 to the shaping die 253 to clamp the right-angle welding position of the metal layer plate 1, and cooperate with the right end positioning block 231 to clamp and press, thereby ensuring the accurate docking of the right-angle welding position of the metal layer plate 1. The clamping and shaping mechanism 25 adopting the above structural design has a compact structure, simple action control, and is easy to realize the rapid shaping of the four corners of the metal layer plate 1.

[0042] In this embodiment, the fixing frame 251 includes a support plate and an L-shaped connecting rod, one end of the L-shaped connecting rod is fixed to the support plate, and the other end thereof is fixed to the fixing frame 251. A hinge seat 256 is fixed to the swing arm 252, and the bottom end of the hinge seat 256 is hinged to the top end of the support plate through a hinge shaft 257. The lifting drive member 255 is hinged to the bottom end of the support plate through a base 254. The lifting drive member 255 is preferably a lifting cylinder, the base 254 is fixed to the top surface of the lifting cylinder, and the piston rod end of the lifting cylinder is hinged to one end of the swing arm 252.

[0043] In order to facilitate limiting the flipping angle of the shaping mold 253 and avoid crushing the metal layer plate 1, a limiting block 258 is fixed at the top of the support plate of the fixing frame 251 near the hinge seat 256. A limiting groove opening upward is provided on the limiting block 258. When the swing arm 252 presses down the metal layer plate 1, it is limited to the limiting groove of the limiting block 258.

[0044] See also Fig.10 The shaping mold 253 includes a connecting section 2531 and a mold section 2532 which are integrally connected in an L shape. One end of the connecting section 2531 is fixed on the swing arm 252. A pressing block 2533 protrudes downward from the protruding end of the mold section 2532, and a shaping block 2534 which is adapted to the hanging hole 10 of the metal layer plate 1 protrudes downward from the lower surface of the pressing block 2533, so that when the pressing block 2533 presses down the end welding part of the flat plate 16 of the metal layer plate 1, the shaping block 2534 is embedded in the hanging hole 10 and cooperates with the right end positioning block 231 for clamping and shaping. In this way, the metal layer plate 1 can be prevented from being deformed during welding and the welding quality can be improved. The mold section 2532 is a wedge-shaped block, and the top surface of the wedge-shaped block gradually tilts downward from the fixed end to the protruding end.

[0045] See also Figure 4 The welding robot 3 includes a movable mechanical arm 31 and a laser welding head 32 fixed to the free end of the movable mechanical arm 31. The movable mechanical arm 31 is used to drive the laser welding head 32 to rise, fall, translate and rotate, so that the laser welding head 32 can move to the four corner welding positions of the metal layer plate 1 for welding. Laser welding is an efficient and precise welding method that uses a high energy density laser beam as a heat source, and is suitable for precise welding of the metal layer plate 1.

[0046] The present invention also provides a welding method using the above welding system. The method comprises the following steps: placing the metal layer plate 1 to be welded in the square positioning space formed on the fixed seat 22 and the sliding seat 23, and driving the right end positioning block 231 to move a predetermined distance through the sliding seat 23, so that the left and right ends of the metal layer plate 1 are positioned. The front side push positioning assembly 223 is actuated to position the front and rear sides of the metal layer plate 1. The side plate 15 of the metal layer plate 1 is clamped and shaped by the flip shaping mechanism 24 and the matching rear side positioning block 222 and the front side push positioning assembly 223 respectively arranged on the fixed seat 22 and the sliding seat 23. After the welding parts of the four corners of the metal layer plate 1 are pressed and shaped by the pressing and shaping mechanism 25, welding is performed by the welding robot 3. In this way, the welding position can be accurate and the welding can be firm, and it is easy to realize the automated production of large quantities of metal layer plates 1, which is conducive to improving production efficiency and production safety and reducing the labor intensity of workers.

[0047] As long as it does not violate the creative ideas of the present invention, any combination of the various embodiments of the present invention shall be regarded as the contents disclosed by the present invention; within the technical concept of the present invention, any combination of various simple modifications of the technical scheme and different embodiments that does not violate the creative ideas of the present invention shall be within the protection scope of the present invention.

Claims

1. A metal layer positioning device, characterized in that: The machine base (21) comprises a machine base (21), a fixed seat (22) is fixed at one end of the top surface of the machine base (21), a sliding seat (23) is slidably arranged at the other end of the top surface of the machine base (21) so as to be close to or away from the fixed seat (22), a left end positioning block (221) is transversely fixed on the top surface of the fixed seat (22), and a right end positioning block (231) is transversely fixed on the top surface of the sliding seat (23), the two left end positioning blocks (221) and the two right end positioning blocks (231) are respectively used to clamp the two ends of the metal layer plate (1) for positioning, a rear side positioning block (222) and a front side pushing positioning assembly (223) are relatively fixed on the top surface of the fixed seat (22) longitudinally, and the top surface of the sliding seat (23) is also longitudinally fixed. A rear positioning block (222) and a front pushing positioning assembly (223) are relatively fixed, and the left end positioning block (221), the right end positioning block (231), the rear side positioning block (222) and the front side pushing positioning assembly (223) together form a square positioning space for placing the metal layer plate (1). After the two right end positioning blocks (231) are driven by the sliding seat (23) to move a predetermined distance toward the left end positioning block (221), the left and right ends of the metal layer plate (1) are clamped for positioning, and then the two front side pushing positioning assemblies (223) push the metal layer plate (1) to move a predetermined distance toward the rear side positioning block (222) to position the front and rear sides of the metal layer plate (1); The fixed seat (22) and the sliding seat (23) are respectively provided with a flip shaping mechanism (24) for cooperating with the rear positioning block (222) and the front pushing positioning assembly (223) to clamp and shape the side plate (15) of the metal layer plate (1); two sets of pressing and shaping mechanisms (25) are relatively provided on the fixed seat (22), and two sets of pressing and shaping mechanisms (25) are also relatively provided on the sliding seat (23) so as to press and shape the welding parts at the four corners of the metal layer plate (1) before welding by the welding robot (3); The flipping and shaping mechanism (24) comprises two bearing seats (241) relatively fixed on the sliding seat (23), a flip shaft (242) is rotatably mounted on the two bearing seats (241) via bearings, a flip driving member (243) for driving the flip shaft (242) to flip back and forth is mounted on the outer side of one bearing seat (241), a flip frame (244) is fixedly connected to the flip shaft (242), one end of the flip frame (244) is fixed on the flip shaft (242), and the other end thereof extends radially along the flip shaft (242), and shaping components (245) are respectively fixed on both sides of the extended end of the flip frame (244) to cooperate with the rear side positioning block (222) and the front side pushing positioning component (223) to clamp and shape the front and rear sides of the metal layer plate (1); The shaping assembly (245) comprises a shaping driving member (2451) and a shaping block (2452), wherein the shaping driving member (2451) is fixed on the turning frame (244), and the shaping block (2452) is fixed on the driving end of the shaping driving member (2451); The pressing and shaping mechanism (25) comprises a fixing frame (251), one end of the fixing frame (251) is fixed on the sliding seat (23), and the other end thereof extends to the outside of the fixing frame (251), a swing arm (252) is hingedly connected to the top end of the fixing frame (251), a shaping mold (253) for shaping the four corners of the metal layer plate (1) is fixedly connected to one end of the swing arm (252), a base (254) extending to the outside of the fixing frame (251) is hingedly connected to the bottom end of the fixing frame (251), a lifting driving member (255) is fixed on the base (254), and the lifting end of the lifting driving member (255) is hingedly connected to the other end of the swing arm (252); The shaping mold (253) comprises a connecting section (2531) and a mold section (2532) which are integrally connected in an L shape, one end of the connecting section (2531) is fixed to the swing arm (252), a pressing block (2533) protrudes downward from the protruding end of the mold section (2532), and a shaping block (2534) which is compatible with the hanging hole (10) of the metal layer plate (1) protrudes downward from the lower surface of the pressing block (2533).

2. The metal layer positioning device according to claim 1, characterized in that: A hinge seat (256) is fixed on the swing arm (252), and the bottom end of the hinge seat (256) is hinged to the top end of the fixing frame (251) through a hinge shaft (257).

3. The metal layer positioning device according to claim 1, characterized in that: A limit block (258) is fixed at the top of the fixing frame (251) near the hinge seat (256), and a limit slot with an opening facing upward is provided on the limit block (258). When the swing arm (252) presses down the metal layer plate (1), it is limited to be located in the limit slot of the limit block (258).

4. The metal layer positioning device according to claim 1, characterized in that: The front side pushing and positioning assembly (223) comprises a telescopic driving member (2231) fixed on the fixing seat (22) and a pushing plate (2232) fixed to the telescopic end of the telescopic driving member (2231).

5. The metal layer positioning device according to claim 1, characterized in that: The sliding drive mechanism (26) comprises two parallel slide rails fixed to the top surface of the machine base (21); a slider is fixed to the bottom surface of the sliding base (23); the slider is fixed to the bottom of the sliding base (23); the slider is slidably arranged on the slide rails; and a driving member for driving the sliding base (23) to slide back and forth along the slide rails is provided on the machine base (21).

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