Aluminum coil outer ring welding device

Abstract

The present application relates to the technical field of aluminum processing, and particularly relates to an aluminum coil outer ring welding device, which comprises an aluminum coil, a supporting structure, a clamping structure and a plurality of sets of welding structures, the supporting structure comprises two supporting frame bodies capable of relative movement, the clamping structure is arranged on the supporting structure, the clamping structure comprises a plurality of arc-shaped clamping plates, the welding structures are arranged on one side of the arc-shaped clamping plates through a rod, the welding structure comprises a sliding block and a welding gun, the plurality of sets of welding structures are arranged on the two sides of the aluminum coil respectively, the welding head of the welding gun is aligned with the side surface of the aluminum coil, the supporting frame body moves towards the aluminum coil and abuts against a transfer frame, and the arc-shaped clamping plate abuts against the circumferential surface of the aluminum coil. In the present application, the driving assembly drives the welding gun to slide stably through a lead screw, the welding head is accurately aligned with the side surface of the aluminum coil, the two-side welding structures are synchronously operated, the welding quality is uniform, the process stability is improved, the workers do not need to hold the welding gun for positioning and welding, and the labor intensity of the workers is reduced.

Description

Technical Field

[0001] This invention relates to the field of aluminum processing technology, and in particular to a welding device for the outer ring of an aluminum coil. Background Technology

[0002] Aluminum coils are metal coils made primarily from aluminum through processes such as casting, rolling, and pressing. In the cold rolling process, the aluminum coil undergoes two high-temperature annealing processes from the cast-rolled billet to the finished product, and is rolled into an aluminum coil through multiple stages. After rolling, the coil needs to be annealed once. After being removed from the mill, the aluminum coil is transported to the annealing furnace via a transfer rack and overhead crane. During each transfer, the aluminum coil expands due to internal stress, causing loosening of the outer layer. This loosening is exacerbated after annealing due to thermal expansion and contraction. The loosening of the outer layer during transport can cause interlayer friction, leading to scratches on the surface and resulting in substandard sheet quality.

[0003] The existing method involves spot welding the outermost 1-3 layers of the aluminum coil to prevent the outer layers from becoming loose. Specifically, the aluminum coil is transported to a special workbench for fixing, and then workers use welding guns to weld the outer layers of the aluminum coil. This welding process is quite demanding on the workers' welding skills, and since multiple aluminum coils are produced simultaneously in the factory, the workers' labor intensity is relatively high. Summary of the Invention

[0004] In view of the technical problems existing in the background art, the invention provides an aluminum coil outer ring welding device, which can automatically weld the outer ring of aluminum coils and reduce the labor intensity of workers.

[0005] To achieve the above objectives, the technical solution provided by this invention is as follows: A welding device for the outer ring of an aluminum coil includes an aluminum coil, a support structure, a clamping structure, and several sets of welding structures. A transfer frame is provided in the middle of the aluminum coil. The support structure includes two support frames that can move relative to each other. The clamping structure is disposed on the support structure and includes several arc-shaped clamping plates. The welding structure is disposed on one side of the arc-shaped clamping plates via rods. The welding structure includes a slider and a welding gun. The slider can slide on the rods. The welding gun is connected to one end of the slider. The welding head of the welding gun is aligned with the arc-shaped clamping plates. Several sets of welding structures are respectively disposed on both sides of the aluminum coil, and the welding heads of the welding guns are aligned with the sides of the aluminum coil. The support frames move towards the aluminum coil and abut against the transfer frame. The arc-shaped clamping plates abut against the circumferential surface of the aluminum coil. The welding gun welds the outermost few rings of the aluminum coil.

[0006] Preferably, the support structure also includes a base, on which a plurality of sliding grooves are provided. One end of the support frame is slidably connected to the sliding groove, and a driving component I is provided in the sliding groove. The driving component I is connected to the support frame.

[0007] Preferably, a pad is provided on the base, one end of which is grooved, and the aluminum coil is supported on the pad.

[0008] Preferably, one end of the support frame is provided with a slanted frame, one end of which is supported on the base, and the slanted frame and the support frame form a triangular structure.

[0009] Preferably, the support frame is provided with sliding holes, and one end of the arc-shaped clamp is provided with a sliding rod, which is slidably connected in the sliding holes, so that the arc-shaped clamp and the support frame are connected.

[0010] Preferably, the support frame is provided with a limiting hole, the arc-shaped clamp is provided with a limiting rod, the limiting rod is slidably connected in the limiting hole, an elastic element is provided in the limiting hole, and the limiting rod is elastically connected to the limiting hole.

[0011] Preferably, the welding structure also includes a support block, which is hollow inside, and several connecting rods are arranged between adjacent arc-shaped clamping plates. The support block is arranged between adjacent arc-shaped clamping plates and connected to the connecting rods.

[0012] Preferably, the welding structure further includes a drive assembly, which includes a lead screw and a drive component II. The lead screw is rotatably disposed between the support block and the arc-shaped clamping plate and extends out from one side of the arc-shaped clamping plate. The drive component II is disposed inside the support block, and the lead screw and the drive component II are connected.

[0013] Preferably, the welding structure also includes a lead screw and nut, which is connected inside the slider. The lead screw and nut are configured to cooperate with the lead screw. One end of the rod is provided with a baffle, and one end of the lead screw is connected to the baffle.

[0014] Preferably, a support is provided on one end of the slider, and the welding structure further includes a driving component III, which is disposed in the support, and the welding gun is connected to the driving component III.

[0015] The present invention has the following advantages and beneficial effects: In this invention: 1. Adaptive clamping protects the surface of aluminum coils. The arc-shaped clamping plate provides buffer clamping force through elastic elements. With the sliding adjustment of the slide rod and slide hole, it can adapt to aluminum coils of different diameters, ensuring stable clamping while avoiding surface damage caused by rigid contact, thus balancing stability and protection.

[0016] II. Precise welding to ensure process consistency: The drive component drives the welding gun to slide smoothly through the screw drive, and the drive component III fine-tunes the position of the welding gun to ensure that the welding head is precisely aligned with the side of the aluminum coil; the welding structures on both sides operate synchronously to ensure uniform welding quality and improve process stability. There is no need for workers to hold the welding gun for positioning welding, which reduces the labor intensity of workers. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an aluminum coil outer ring welding device proposed in this invention; Figure 2 This is a schematic diagram showing the connection between the aluminum coil and the transfer frame in an aluminum coil outer ring welding device proposed in this invention; Figure 3 This is a schematic diagram showing the separation state of the support frame and the aluminum coil of the aluminum coil outer ring welding device proposed in this invention; Figure 4 This is a schematic diagram showing the connection between the clamping structure and the welding structure of an aluminum coil outer ring welding device proposed in this invention; Figure 5 This is a cross-sectional view of an aluminum coil outer ring welding device proposed in this invention; Figure 6 This is a schematic diagram of the clamping structure and welding structure connection of an aluminum coil outer ring welding device proposed in this invention.

[0018] Reference numerals: 1-Aluminum coil, 11-Transfer frame, 2-Support structure, 21-Support frame body, 211-Sliding hole, 212-Limiting hole, 22-Base, 221-Sliding groove, 222-Padded block, 23-Drive component I, 24-Slanted frame, 3-Clamping structure, 31-Arc-shaped clamping plate, 311-Sliding rod, 312-Limiting rod, 32-Elastic component, 33-Connecting rod, 4-Welding structure, 41-Rod, 411-Baffle, 42-Slider, 421-Support, 43-Welding torch, 44-Support block, 451-Lead screw, 452-Drive component II, 453-Lead screw nut, 46-Drive component III. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0020] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0021] Example like Figure 1-6As shown, an aluminum coil outer ring welding device includes an aluminum coil 1, a support structure 2, a clamping structure 3, and multiple welding structures 4. A transfer frame 11 is detachably mounted on the center of the aluminum coil 1. The upper end of the transfer frame 11 is connected to an overhead crane. The aluminum coil 1 and the transfer frame 11 are transported by the overhead crane. The support structure 2 includes a base 22 and two symmetrical support frames 21. Several parallel sliding grooves 221 are opened on the surface of the base 22. One end of the support frame 21 is slidably connected in the sliding groove 221. A linear drive component I 23 (such as a hydraulic cylinder or an electric push rod) is embedded in the sliding groove 221. The output end of the drive component I 23 is fixedly connected to the slot at the bottom of the support frame 21. When the driving component I23 is activated, it can drive the two support frames 21 to move synchronously towards or away from each other along the slide groove 221. When the output end of the driving component I23 extends, it drives the two support frames 21 to move closer to each other. The outside of the support frame 21 is welded with a diagonal support 24. The bottom end of the diagonal support 24 is supported on the base 22 and can slide on the upper surface of the base 22. The diagonal support 24 and the support frame 21 form a triangular truss structure to prevent the support frame 21 from tipping over during the sliding process.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 As shown, a pad 222 is provided in the middle of the base 22. The upper surface of the pad 222 is machined into an arc-shaped groove. The curvature of the groove is adapted to the outer diameter of the aluminum coil 1. The aluminum coil 1 is hoisted to the top of the base 22 and then lowered by a crane so that the aluminum coil 1 is placed on the pad 222. Its bottom circumferential surface forms a surface contact with the groove to prevent swaying during support.

[0023] like Figures 1-6 As shown, the clamping structure 3 includes several arc-shaped clamping plates 31. The curvature of the arc-shaped clamping plates 31 matches the outer circumference of the aluminum coil 1. A cylindrical slide rod 311 is vertically welded to the back of each arc-shaped clamping plate 31. A sliding hole 211 is provided on the support frame 21. The slide rod 311 is slidably connected to the sliding hole 211 on the support frame 21, so that the arc-shaped clamping plate 31 and the support frame 21 are connected. A limiting rod 312 is provided on the arc-shaped clamping plate 31. The limiting rod 312 is located on both sides of the sliding rod 311. A limiting hole 212 is opened at the corresponding position on the support frame 21. The limiting rod 312 is slidably connected in the limiting hole 212. An elastic element 32, which is a spring, is provided in the limiting hole 212. When the arc-shaped clamping plate 31 is compressed, the sliding rod 311 moves into the sliding hole 211, and the limiting rod 312 moves into the limiting hole 212. At this time, the spring is compressed. When the arc-shaped clamping plate 31 is no longer under force, the spring returns to its original position, pushing the limiting rod 312 to move in the opposite direction, so that the arc-shaped clamping plate 31 moves away from the support frame 21.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 As shown, the welding structure 4 includes a slider 42, a welding gun 43, a support block 44, and a drive assembly. Several sets of welding structures 4 are respectively arranged on both sides of the aluminum coil 1. The welding structure 4 is arranged on one side of the arc-shaped clamping plate 31 through rods 41. The support block 44 is hollow inside. Several connecting rods 33 are arranged between adjacent arc-shaped clamping plates 31. The support block 44 is arranged between adjacent arc-shaped clamping plates 31 and is connected to the connecting rods 33 by welding.

[0025] like Figure 1 , Figure 3 , Figure 4 , Figure 6 As shown, the drive assembly includes a lead screw nut 453, a lead screw 451, a drive component II 452, and a drive component III 46. One end of the lead screw 41 is provided with a baffle 411. A slider 42 is nested on the lead screw 41. The lead screw nut 453, which cooperates with the lead screw 451, is embedded in the inner cavity of the slider 42. The lead screw 451 rotatably passes through the support block 44 and the baffle 411. The drive component II 452 is located inside the support block 44 and is a rotary motor. One end of the lead screw 451 is connected to the drive component II 452, and the other end of the lead screw 451 extends to the outside of the arc-shaped clamp 31 and is rotatably connected to the baffle 411. When the drive component II 452 drives the lead screw 451 to rotate, the lead screw nut 453 moves along the direction of the lead screw 451 and drives the slider 42 to move synchronously along the direction of the lead screw 451. At the same time, the lead screw 41 passes through the slider 42 and plays a limiting role when the slider 42 slides, making its movement more accurate and smooth.

[0026] like Figures 1-6 As shown, a support 421 is welded to one end of the slider 42. A drive component Ⅲ 46 is installed inside the support 421. The drive component Ⅲ 46 is a telescopic cylinder or other telescopic structure. The support 421 and the drive component Ⅲ 46 are aligned with the radial position of the aluminum coil 1. The welding torch 43 is connected to the output end of the drive component Ⅲ 46. The welding head of the welding torch 43 and the inner side of the arc-shaped clamp 31 are on the same straight line. Multiple welding structures 4 are symmetrically distributed on both sides of the aluminum coil 1. The height of the welding head of the welding torch 43 is flush with the side of the aluminum coil 1. The lead screw 451 and the lead screw nut 453 can adjust the overall horizontal position of the welding torch 43. The drive component Ⅲ 46 can adjust the radial position of the welding torch 43. When the arc-shaped clamp 31 and the outer ring of the aluminum coil 1 abut, the welding head of the welding torch 43 is aligned with the outermost layer of the aluminum ring. The arc-shaped clamp 31 not only supports the aluminum coil 1 but also provides a positioning function for the welding torch 43.

[0027] like Figure 5As shown, the supports 421 on both sides of the aluminum coil 1 are set at different positions on the slider 42. Specifically, the support 421 on one side is set at the upper end of the slider 42 on one side, and the support 421 on the other side is set at the lower end of the slider 42 on the other side, so that the welding guns 43 on both sides are in symmetrical positions. After welding, the weld points are in symmetrical positions, which greatly avoids loose outer layers of the aluminum coil 1.

[0028] Working principle: The aluminum coil 1 is hoisted onto the pad 222 of the base 22 by an overhead crane. The groove on the upper surface of the pad 222 supports the bottom of the aluminum coil 1. The drive unit I 23 is activated, pushing the two side support frames 21 to move towards each other along the slide groove 221 until the upper end of the support frame 21 is in close contact with the transfer frame 11 of the aluminum coil 1, preventing the aluminum coil 1 and the transfer frame 11 from shaking during the welding process. At this time, the slide rod 311 slides in the slide hole 211, and the limiting rod 312 slides in the limiting hole 212. When the limiting rod 312 extends into the limiting hole 212, it compresses the elastic element 32. The curved surfaces of the multiple arc-shaped clamping plates 31 adaptively conform to the outer circumference of the aluminum coil 1, forming a uniform clamping. The welding torch 43 is connected to the arc-shaped clamp 31 via multiple structures. As the arc-shaped clamp 31 moves, the welding torch 43 moves synchronously. The welding torch 43 can also adjust its position according to the shape of the aluminum coil 1. When the aluminum coil 1 descends and is positioned exactly at the center of the pad 222, and the support frame 21 causes the arc-shaped clamp 31 to press tightly against the aluminum coil 1, the welding torch 43 is aligned with both sides of the aluminum coil 1. At this point, the welding torch 43 is activated, and the driving component III 46 is activated, pushing the welding torch 43 to move radially towards the aluminum coil 1. To weld the outermost layers of aluminum coil 1, first adjust the initial position of the welding torch 43 using the arc-shaped clamp 31, aligning the torch head with the outermost layer of aluminum coil 1. Based on the positions of both sides of the aluminum coil 1, adjust the drive components II 452 at different positions. Drive component II 452 drives the lead screw 451 to rotate, causing the lead screw nut 453 to move along the lead screw 451, thus moving the welding torch 43 along the direction of the lead screw 451, positioning the welding head of the welding torch 43 on both sides of the aluminum coil 1. Similarly, activate drive component III 46 to weld the outermost layers of aluminum coil 1. Weld the side seams of the first and second rings. Control the drive component Ⅲ46 to fine-tune the position of the welding gun 43, align it with the side seams of the second and third rings of the aluminum coil 1, and repeat the above welding process to complete the welding of the outermost 2-3 rings. After welding is completed, make the drive component Ⅰ23 work (shaft end retraction), the support frame 21 gradually moves away from the transfer frame 11, the arc-shaped clamp 31 gradually moves away from the aluminum coil 1, the elastic component 32 rebounds to reset the arc-shaped clamp 31, and the aluminum coil 1 is hoisted into the annealing furnace for annealing by the overhead crane.

[0029] In this invention, welding can be performed directly during the transport of aluminum coil 1 without removing it from the transfer frame 11. The aluminum coil 1 is hoisted to the device by an overhead crane and positioned in the arc-shaped groove of the pad 222 for initial positioning. Subsequently, the support frame 21 moves towards the transfer frame 11, further stabilizing the position of the aluminum coil 1. The arc-shaped clamp 31 adaptively conforms to the outer circumference of the aluminum coil 1, providing flexible clamping while also providing precise positioning for the welding torch 43. During welding, the welding torch 43 automatically travels along the side of the aluminum coil 1, completing multi-layer welding of the outer ring. After the operation is completed, the device quickly resets, and the aluminum coil 1 can be directly hoisted to the next process (such as annealing), greatly improving production efficiency, reducing repeated hoisting and positioning time, and realizing integrated operation from positioning and welding to transfer.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding device for the outer ring of an aluminum coil, comprising an aluminum coil, a supporting structure, a clamping structure, and several sets of welding structures, wherein a transfer frame is provided in the middle of the aluminum coil, characterized in that: The support structure includes two support frames that can move relative to each other. The clamping structure is set on the support structure and includes several arc-shaped clamping plates. The welding structure is set on one side of the arc-shaped clamping plates by rods. The welding structure includes a slider and a welding gun. The slider can slide on the rods. The welding gun is connected to one end of the slider. The welding head of the welding gun is aligned with the arc-shaped clamping plates. Several sets of welding structures are respectively set on both sides of the aluminum coil, and the welding head of the welding gun is aligned with the side of the aluminum coil. The support frame moves toward the aluminum coil and abuts against the transfer frame, the arc-shaped clamp abuts against the circumferential surface of the aluminum coil, and the welding gun welds the aluminum coil. The support frame is provided with sliding holes, and one end of the arc-shaped clamp is provided with a sliding rod. The sliding rod is slidably connected in the sliding holes, so that the arc-shaped clamp and the support frame are connected. The support frame is provided with a limiting hole, and the arc-shaped clamp is provided with a limiting rod. The limiting rod is slidably connected in the limiting hole, and an elastic element is provided in the limiting hole. The limiting rod and the elastic element are connected. The welding structure also includes a support block, which is hollow inside. Several connecting rods are arranged between adjacent arc-shaped clamping plates. The support block is arranged between adjacent arc-shaped clamping plates and connected to the connecting rods. The welding structure also includes a drive assembly, which includes a lead screw and a drive component II. The lead screw is rotatably inserted between the support block and the arc-shaped clamping plate and extends out from one side of the arc-shaped clamping plate. The drive component II is disposed inside the support block, and the lead screw and the drive component II are connected. The drive assembly also includes a lead screw nut, which is connected inside the slider. The lead screw nut and the lead screw are configured to cooperate. One end of the rod is provided with a baffle, and one end of the lead screw is connected to the baffle. A support is provided on one end of the slider, and the driving assembly further includes a driving component III, which is disposed inside the support. The welding torch is connected to the driving component III.

2. The aluminum coil outer ring welding device according to claim 1, characterized in that: The support structure also includes a base with several sliding grooves. One end of the support frame is slidably connected to the sliding groove. A driving component I is provided in the sliding groove and is connected to the support frame.

3. The aluminum coil outer ring welding device according to claim 2, characterized in that: The base is provided with a pad, one end of which is grooved, and the aluminum coil is supported on the pad.

4. The aluminum coil outer ring welding device according to claim 3, characterized in that: One end of the support frame is provided with a slanted frame, and one end of the slanted frame is supported on the base. The slanted frame and the support frame form a triangular structure.

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