Strip coil laser welder

Abstract

The application relates to the technical field of strip steel welding, in particular to a strip steel coiling laser welding machine which comprises a base, a blanking slope, a first machine box and a second machine box installed on the base, the first machine box and the second machine box are respectively located on opposite sides of the blanking slope, a machining gap is formed between the first machine box and the second machine box, the inner side of the first machine box is sequentially provided with a feeding device, a cutting device and a coiling device, the inner side of the first machine box is further provided with a pressing device, the top of the second machine box is provided with a laser welding device, and the inner side of the second machine box is further provided with a welding material taking device, a material rotating device and a flange closing device. The strip steel coiling laser welding machine is simple in overall structure, compact in layout, presents a vertical cuboid structure, is different from the long strip type assembly line structure in the prior art, has a smaller floor area, needs a smaller installation space, and is suitable for a relatively narrow production workshop.

Description

Technical Field

[0001] This application relates to the field of strip welding technology, and in particular to a laser welding machine for strip coiling. Background Technology

[0002] Straight seam welded pipe is an open steel pipe made by rolling cold-rolled steel plate or steel strip into a circle and then welding it with straight seam on a welding equipment.

[0003] For example, Chinese Patent Application No. CN202411749562.6 discloses a strip steel rolling and welding device, which includes a strip steel limiting component, a strip steel power component, a strip steel outer edge shaping component, a rolling device, a round tube heating component, an opening shaping component, a straight seam welding component, and a weld scar cutting component arranged sequentially along the direction of the strip steel body. The strip steel limiting component is used to limit the relative position of the two sides of the strip steel. The strip steel power component is used to drive the strip steel to move linearly. The strip steel outer edge shaping component is used to cut the two sides of the strip steel into opposing bevels. The rolling device is used to roll the strip steel into a circle, and the opposing bevels fit together. The round tube heating component is used to heat the rolled strip steel. The opening and closing shaping component is used to cut and shape the mutually fitting bevels and weld them through the straight seam welding component. The weld scar cutting component is used to cut the weld scars on the outside of the steel pipe after straight seam welding.

[0004] Regarding the aforementioned technologies, the inventors believe that the following technical defects exist and require improvement:

[0005] Common strip steel rolling and welding equipment is usually a long, linear production line, which is often more than ten or even twenty meters long. It occupies a large area and requires a large installation space, making it unsuitable for smaller production workshops. Utility Model Content

[0006] This application provides a laser welding machine for strip steel coiling to improve the following technical problems:

[0007] Common strip steel rolling and welding equipment is usually a long, linear production line, which is often more than ten or even twenty meters long. It occupies a large area and requires a large installation space, making it unsuitable for smaller production workshops.

[0008] This application provides a laser welding machine for strip steel coiling, which adopts the following technical solution:

[0009] A strip steel coil laser welding machine includes a base, a feeding ramp mounted on the base, a first machine housing, and a second machine housing. The first machine housing and the second machine housing are located on opposite sides of the feeding ramp, and a processing gap is formed between the first machine housing and the second machine housing. A feeding device, a cutting device, and a rolling device are sequentially arranged inside the first machine housing. A clamping device for pressing the strip steel being processed on the rolling device downwards is also provided inside the first machine housing. The top of the second machine housing... The second housing is equipped with a laser welding device. Inside the second housing, there are also welding material picking devices, material transfer devices, and edge folding and finishing devices. The welding material picking device is located directly below the laser welding device and is used to pick up the rolled semi-finished product from the rolling device and transport it to the welding station. The material transfer device then transports the welded cylindrical semi-finished product horizontally to the edge trimming station. The edge folding and finishing device is used to fold and finish the ends of the cylindrical semi-finished product at the edge trimming station. The finished product after edge folding and finishing then rolls out of the processing gap along the material feeding ramp.

[0010] In one feasible technical solution of this application, the feeding device includes a limiting conveying groove, a transmission roller, an elastic pressure roller, and an incoming guide wheel. The incoming guide wheel is located at the inlet end of the limiting conveying groove and has an annular groove adapted to the strip steel on its outer peripheral wall. The elastic pressure roller is located directly above the transmission roller and cooperates with the transmission roller to clamp the strip steel. A layer of sponge is adhered to the outer peripheral wall of the elastic pressure roller. Anti-slip stripes are provided on the outer peripheral wall of the transmission roller. The transmission roller is driven to rotate by a servo motor.

[0011] In one feasible technical solution of this application, the cutting device includes a cutting die and a cutting cylinder. The cutting cylinder is arranged vertically, and the cutting die is installed on the top of the telescopic rod of the cutting cylinder. The cutting die is provided with a stamped cutting groove for the strip steel to pass through. The cutting cylinder is used to drive the stamped cutting groove to retract to cut the strip steel.

[0012] In one feasible technical solution of this application, the rolling device includes a main rotating shaft, a rolling mold, and a pre-fixed clamping assembly. The main rotating shaft is rotatably mounted on the first housing, and a servo motor that drives the main rotating shaft to rotate is provided inside the first housing. The rolling mold is fixed to the outer end of the main rotating shaft and clamps the strip steel to be bent. The pre-fixed clamping assembly is located between the rolling mold and the cutting device, and the pre-fixed clamping assembly is used to pre-clamp and fix the strip steel before the rolling process.

[0013] In one feasible technical solution of this application, the pre-fixed clamping assembly includes a clamping cylinder, a fixed clamping plate and a movable clamping plate. The fixed clamping plate and the clamping cylinder are both fixed to the first chassis. The clamping cylinder is arranged vertically. The movable clamping plate is fixed to the bottom of the telescopic rod of the clamping cylinder. The fixed clamping plate and the movable clamping plate cooperate to clamp the strip steel.

[0014] In one feasible technical solution of this application, the clamping device includes a support, a clamping cylinder and a clamping bending plate. The support is fixed to the inner side wall of the first chassis, the clamping cylinder is vertically fixed to the support, and the clamping bending plate is fixed to the top of the telescopic rod of the clamping cylinder.

[0015] In one feasible technical solution of this application, the laser welding device includes a welding robotic arm, a laser welding gun, and a welding wire fixing bracket. The welding robotic arm is installed on the top of the second housing and is used to drive the laser welding gun to move linearly along the XYZ three-axis direction and rotate around the X-axis. The welding wire fixing bracket is fixed to the top of the second housing and located beside the welding robotic arm.

[0016] In one feasible technical solution of this application, the welding material handling device includes a linear sliding module, a movable plate, and pneumatic clamping fingers for clamping the rolled semi-finished product from the top and bottom. The movable plate is connected to the sliding block of the linear sliding module, and the movable plate slides back and forth along the X-axis. The pneumatic clamping fingers are installed at the end of the movable plate near the first chassis.

[0017] In one feasible technical solution of this application, the material transfer device includes a material transfer cylinder and an insertion mold. The material transfer cylinder is horizontally installed on the inner side wall of the second machine box, and the driving stroke of the material transfer cylinder is between 0.5 and 1.2 meters. The insertion mold is fixed to the end of the telescopic rod of the material transfer cylinder, and the top of the insertion mold is provided with a slot for vertical insertion of cylindrical semi-finished products.

[0018] In one feasible technical solution of this application, the folding and finishing device includes an XYZ three-axis sliding worktable, a folding motor, and a folding wheel. The XYZ three-axis sliding worktable is installed on the second housing. The XYZ three-axis sliding worktable is used to drive the folding motor to slide along the X-axis, Y-axis, and Z-axis directions. The folding motor is arranged vertically, and the folding wheel is fixed to the bottom of the output shaft of the folding motor. The high-speed rotating folding wheel is used to squeeze the top of the cylindrical semi-finished product.

[0019] In summary, this application includes at least one of the following beneficial technical effects:

[0020] The strip steel, gradually unwound from the coil, is fed to the cutting device, which cuts it to the required length. Then, the coiling device rolls the strip steel segments of a fixed length into unsealed coil semi-finished products. During the operation of the coiling device, the pressing device can apply pressure to the strip steel to a certain extent to prevent it from shifting too much. Then, the welding and picking device is activated to pick up the coil semi-finished product and transport it to the welding station. The laser welding device is activated to weld and seal the side of the coil semi-finished product, thus forming a cylindrical semi-finished product. The transfer device then transports the welded cylindrical semi-finished product horizontally to the edge-forming station. The edge-folding and sealing device is activated to fold and seal the top of the cylindrical semi-finished product at the edge-forming station. The finished product after edge-folding and sealing then rolls out of the processing gap along the unloading ramp.

[0021] The overall structure is simple and compact, the operation is stable and easy to operate, and the degree of automation is high. It can efficiently complete the work of forming strip steel into cylinders, welding, folding and sealing. The shape is a vertical cuboid structure, which is different from the long strip assembly line structure in the existing technology. It occupies a small area and requires less installation space, making it suitable for relatively small production workshops. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of a strip steel coil laser welding machine according to an embodiment of this application.

[0024] Figure 2 This is a schematic diagram of the structure inside the first chassis in the embodiment of this application.

[0025] Figure 3 This is a schematic diagram of the pressing device in the embodiments of this application.

[0026] Figure 4 This is a schematic diagram of the structure of the inner side and top of the first chassis in the embodiment of this application.

[0027] Figure 5 This is a schematic diagram of the welding material handling device in the embodiments of this application.

[0028] Explanation of reference numerals in the attached figures:

[0029] 100. Base; 200. Feed ramp; 300. First chassis; 400. Second chassis;

[0030] 1. Feeding device; 11. Limiting conveyor trough; 12. Drive roller; 13. Elastic pressure roller; 14. Incoming material guide wheel;

[0031] 2. Cutting device; 21. Cutting die; 22. Cutting cylinder;

[0032] 3. Rolling device; 31. Main shaft; 32. Rolling die; 33. Clamping cylinder; 34. Fixed clamping plate; 35. Moving clamping plate;

[0033] 4. Clamping device; 41. Support; 42. Clamping cylinder; 43. Clamping bent plate;

[0034] 5. Laser welding device; 51. Welding robotic arm; 52. Laser welding torch; 53. Welding wire fixing bracket;

[0035] 6. Welding material handling device; 61. Linear sliding module; 62. Moving plate; 63. Pneumatic gripper;

[0036] 7. Material transfer device; 71. Material transfer cylinder; 72. Insertion mold;

[0037] 8. Folding and finishing device; 81. XYZ three-axis sliding worktable; 82. Folding motor; 83. Folding wheel. Detailed Implementation

[0038] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0039] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0040] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0042] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0043] This application discloses a laser welding machine for strip steel coiling. (Refer to...) Figure 1-5 The strip steel coil laser welding machine includes a base 100 and a feeding ramp 200, a first housing 300, and a second housing 400 mounted on the base 100. The first housing 300 and the second housing 400 are located on opposite sides of the feeding ramp 200, and a processing gap is formed between the first housing 300 and the second housing 400. A feeding device 1, a cutting device 2, and a rolling device 3 are sequentially arranged inside the first housing 300. A clamping device 4 is also arranged inside the first housing 300 to press the strip steel processed on the rolling device 3 from top to bottom. The top of the second housing 400 is equipped with a laser welding device 5. The inside of the second housing 400 is also equipped with a welding material picking device 6, a material transfer device 7, and a folding and closing device 8. The welding material picking device 6 is located directly below the laser welding device 5 and is used to pick up the rolled semi-finished product from the rolling device 3 and transport it to the welding station. The material transfer device 7 then transports the welded cylindrical semi-finished product horizontally to the edge-trimming station. The folding and closing device 8 is used to fold and close the ends of the cylindrical semi-finished product at the edge-trimming station. The finished product after folding and closing then rolls out of the processing gap along the material feeding ramp 200.

[0044] In this embodiment, the feeding device 1 includes a limiting conveying groove 11, a transmission roller 12, an elastic pressure roller 13, and a material guide wheel 14. The material guide wheel 14 is located at the entrance end of the limiting conveying groove 11 and has an annular groove adapted to the strip steel on its outer peripheral wall. The elastic pressure roller 13 is located directly above the transmission roller 12 and works with the transmission roller 12 to clamp the strip steel. A layer of sponge is adhered to the outer peripheral wall of the elastic pressure roller 13. Anti-slip stripes are provided on the outer peripheral wall of the transmission roller 12. The transmission roller 12 is driven to rotate by a servo motor.

[0045] The feeding device 1 designed above has a simple and robust structure, stable operation, and can smoothly convey the strip steel to the subsequent cutting station. It is also relatively easy to operate.

[0046] In this embodiment, the cutting device 2 includes a cutting die 21 and a cutting cylinder 22. The cutting cylinder 22 is arranged vertically, and the cutting die 21 is installed on the top of the telescopic rod of the cutting cylinder 22. The cutting die 21 is provided with a stamped cutting groove for the strip steel to pass through. The cutting cylinder 22 is used to drive the stamped cutting groove to retract to cut the strip steel.

[0047] The cutting device 2 designed above has a simple and robust structure, operates stably, and can reliably cut the strip steel into segments of the required length. It is also relatively easy to operate.

[0048] In this embodiment, the rolling device 3 includes a main rotating shaft 31, a rolling mold 32, and a pre-fixed clamping assembly. The main rotating shaft 31 is rotatably mounted on a first housing 300, and a servo motor for driving the main rotating shaft 31 to rotate is provided inside the first housing 300. The rolling mold 32 is fixed to the outer end of the main rotating shaft 31 and clamps the strip steel to be bent. The pre-fixed clamping assembly is located between the rolling mold 32 and the cutting device 2. The pre-fixed clamping assembly is used to pre-clamp and fix the strip steel before the rolling process.

[0049] The pre-fixed clamping assembly includes a clamping cylinder 33, a fixed clamping plate 34, and a movable clamping plate 35. The fixed clamping plate 34 and the clamping cylinder 33 are both fixed to the first housing 300. The clamping cylinder 33 is arranged vertically, and the movable clamping plate 35 is fixed to the bottom of the telescopic rod of the clamping cylinder 33. The fixed clamping plate 34 and the movable clamping plate 35 cooperate to clamp the strip steel.

[0050] The above-mentioned rolling device 3 has a simple and robust structure, stable operation, and can stably bend steel strip segments into rolled semi-finished products to facilitate subsequent welding steps. It is also relatively easy to operate.

[0051] In this embodiment, the clamping device 4 includes a support 41, a clamping cylinder 42, and a clamping bending plate 43. The support 41 is fixed to the inner wall of the first housing 300, the clamping cylinder 42 is vertically fixed to the support 41, and the clamping bending plate 43 is fixed to the top of the telescopic rod of the clamping cylinder 42. The clamping device 4 designed above has a simple and robust structure, stable operation, and can stably fix the strip steel segment to a certain extent.

[0052] In this embodiment, the laser welding device 5 includes a welding robotic arm 51, a laser welding torch 52, and a welding wire fixing bracket 53. The welding robotic arm 51 is mounted on the top of the second housing 400 and is used to drive the laser welding torch 52 to move linearly along the XYZ axes and rotate around the X-axis. The welding wire fixing bracket 53 is fixed to the top of the second housing 400 and located beside the welding robotic arm 51. The laser welding device 5 designed above has a simple and robust structure, flexible operation, and stable operation, and can stably perform welding and sealing treatment on coiled semi-finished products.

[0053] In this embodiment, the welding material handling device 6 includes a linear sliding module 61, a movable plate 62, and pneumatic grippers 63 for clamping the rolled semi-finished product from above and below. The movable plate 62 is connected to the sliding block of the linear sliding module 61, and the movable plate 62 slides back and forth along the X-axis. The pneumatic grippers 63 are installed at the end of the movable plate 62 near the first housing 300. The welding material handling device 6 designed above has a simple and robust structure, flexible operation, and stable operation. It can stably and accurately clamp and transport the rolled semi-finished product to the designated position, and is also very convenient to operate.

[0054] In this embodiment, the material transfer device 7 includes a material transfer cylinder 71 and an insertion mold 72. The material transfer cylinder 71 is horizontally installed on the inner wall of the second housing 400, and the driving stroke of the material transfer cylinder 71 is between 0.5 and 1.2 meters. The insertion mold 72 is fixed to the end of the telescopic rod of the material transfer cylinder 71, and the top of the insertion mold 72 is provided with a slot for vertical insertion of the cylindrical semi-finished product. The material transfer device 7 designed above has a simple and robust structure, flexible operation, and stable operation, and can stably transfer the cylindrical semi-finished product for subsequent edge folding and sealing processing.

[0055] In this embodiment, the hemming and finishing device 8 includes an XYZ three-axis sliding worktable 81, a hemming motor 82, and a hemming roller 83. The XYZ three-axis sliding worktable 81 is mounted on the second housing 400. The XYZ three-axis sliding worktable 81 drives the hemming motor 82 to slide along the X, Y, and Z axes. The hemming motor 82 is vertically arranged, and the hemming roller 83 is fixed to the bottom of the output shaft of the hemming motor 82. The high-speed rotating hemming roller 83 is used to extrude the top of the cylindrical semi-finished product. The XYZ three-axis sliding worktable 81 mainly achieves horizontal movement of the XY axes through a linear module and vertical movement through a lifting cylinder. The hemming and finishing device 8 designed above has a simple and robust structure, flexible operation, and stable operation, and can stably perform hemming and finishing processing on cylindrical semi-finished products.

[0056] The working principle / usage process of the strip steel coil laser welding machine in this application embodiment is roughly as follows:

[0057] The strip steel, gradually unwound from the coil, is fed to the cutting device 2 via the feeding device 1. The cutting device 2 cuts the strip steel to the required length. Then, the coiling device 3 rolls the strip steel segments of a fixed length into an unsealed coil semi-finished product. During the operation of the coiling device 3, the pressing device 4 can apply pressure to the strip steel to a certain extent to prevent serious deviation. Then, the welding material handling device 6 is activated to clamp the coil semi-finished product and transport it to the welding station. The laser welding device 5 is activated to weld and seal the side of the coil semi-finished product, thus forming a cylindrical semi-finished product. The material transfer device 7 then horizontally transports the welded cylindrical semi-finished product to the edge-trimming station. The edge-folding and finishing device 8 is activated to fold and finish the top of the cylindrical semi-finished product at the edge-trimming station. The finished product after edge-folding and finishing then rolls out of the processing gap along the unloading slope 200.

[0058] The beneficial technical effects of the strip steel coil laser welding machine of this application embodiment are roughly as follows:

[0059] The overall structure is simple and compact, the operation is stable and easy to operate, and the degree of automation is high. It can efficiently complete the work of forming strip steel into cylinders, welding, folding and sealing. The shape is a vertical cuboid structure, which is different from the long strip assembly line structure in the existing technology. It occupies a small area and requires less installation space, making it suitable for relatively small production workshops.

[0060] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A laser welding machine for strip steel coiling, characterized in that, The system includes a base (100) and a feeding ramp (200) mounted on the base (100), a first housing (300), and a second housing (400). The first housing (300) and the second housing (400) are located on opposite sides of the feeding ramp (200), and a processing gap is formed between the first housing (300) and the second housing (400). A feeding device (1), a cutting device (2), and a rolling device (3) are sequentially arranged on the inner side of the first housing (300). A pressing device (4) is also arranged on the inner side of the first housing (300) for pressing the strip steel processed on the rolling device (3) downward from top to bottom. The top of the second housing (400) is equipped with a laser welding device (5). The inner side of the second housing (400) is also equipped with a welding material picking device (6), a material transfer device (7) and a folding and closing device (8). The welding material picking device (6) is located directly below the laser welding device (5) and is used to pick up the rolled semi-finished product on the rolling device (3) and transport it to the welding station. The material transfer device (7) then transports the welded cylindrical semi-finished product horizontally to the edge-forming station. The folding and closing device (8) is used to fold and close the end of the cylindrical semi-finished product on the edge-forming station. The finished product after folding and closing rolls out of the processing gap along the material feeding slope (200).

2. The strip steel coil laser welding machine according to claim 1, characterized in that, The feeding device (1) includes a limiting conveying groove (11), a transmission roller (12), an elastic pressure roller (13), and a material guide wheel (14). The material guide wheel (14) is located at the entrance end of the limiting conveying groove (11) and has an annular groove adapted to the strip steel on its outer peripheral wall. The elastic pressure roller (13) is located directly above the transmission roller (12) and works with the transmission roller (12) to clamp the strip steel. A layer of sponge is adhered to the outer peripheral wall of the elastic pressure roller (13). Anti-slip stripes are provided on the outer peripheral wall of the transmission roller (12). The transmission roller (12) is driven to rotate by a servo motor.

3. The strip steel coil laser welding machine according to claim 1, characterized in that, The cutting device (2) includes a cutting die (21) and a cutting cylinder (22). The cutting cylinder (22) is arranged vertically, and the cutting die (21) is installed on the top of the telescopic rod of the cutting cylinder (22). The cutting die (21) is provided with a stamped cutting groove for the strip steel to pass through. The cutting cylinder (22) is used to drive the stamped cutting groove to retract to cut the strip steel.

4. The strip steel coil laser welding machine according to claim 1, characterized in that, The rolling device (3) includes a main rotating shaft (31), a rolling mold (32), and a pre-fixed clamping assembly. The main rotating shaft (31) is rotatably mounted on the first housing (300), and a servo motor for driving the main rotating shaft (31) to rotate is provided inside the first housing (300). The rolling mold (32) is fixed to the outer end of the main rotating shaft (31) and clamps the strip steel to be bent. The pre-fixed clamping assembly is located between the rolling mold (32) and the cutting device (2). The pre-fixed clamping assembly is used to pre-clamp and fix the strip steel before the rolling process.

5. The strip steel coil laser welding machine according to claim 4, characterized in that, The pre-fixed clamping assembly includes a clamping cylinder (33), a fixed clamping plate (34), and a movable clamping plate (35). The fixed clamping plate (34) and the clamping cylinder (33) are both fixed relative to each other on the first chassis (300). The clamping cylinder (33) is arranged vertically. The movable clamping plate (35) is fixed to the bottom of the telescopic rod of the clamping cylinder (33). The fixed clamping plate (34) and the movable clamping plate (35) cooperate to clamp the strip steel.

6. The strip steel coil laser welding machine according to claim 1, characterized in that, The clamping device (4) includes a support (41), a clamping cylinder (42), and a clamping bending plate (43). The support (41) is fixed on the inner side wall of the first housing (300). The clamping cylinder (42) is vertically fixed on the support (41). The clamping bending plate (43) is fixed to the top of the telescopic rod of the clamping cylinder (42).

7. The strip steel coil laser welding machine according to claim 1, characterized in that, The laser welding device (5) includes a welding robotic arm (51), a laser welding gun (52), and a welding wire fixing bracket (53). The welding robotic arm (51) is installed on the top of the second housing (400) and is used to drive the laser welding gun (52) to move linearly along the XYZ three-axis direction and rotate around the X-axis. The welding wire fixing bracket (53) is fixed on the top of the second housing (400) and located beside the welding robotic arm (51).

8. The strip steel coil laser welding machine according to claim 1, characterized in that, The welding material handling device (6) includes a linear sliding module (61), a moving plate (62), and pneumatic grippers (63) for clamping the rolled semi-finished product from the top and bottom. The moving plate (62) is connected to the sliding block of the linear sliding module (61). The moving plate (62) slides back and forth along the X-axis. The pneumatic grippers (63) are installed at the end of the moving plate (62) near the first chassis (300).

9. The strip steel coil laser welding machine according to claim 1, characterized in that, The material transfer device (7) includes a material transfer cylinder (71) and an insertion mold (72). The material transfer cylinder (71) is horizontally installed on the inner side wall of the second housing (400), and the driving stroke of the material transfer cylinder (71) is between 0.5 and 1.2 meters. The insertion mold (72) is fixed to the end of the telescopic rod of the material transfer cylinder (71), and the top of the insertion mold (72) is provided with a slot for vertical insertion of cylindrical semi-finished products.

10. The strip steel coil laser welding machine according to claim 1, characterized in that, The edge-folding and finishing device (8) includes an XYZ three-axis sliding worktable (81), an edge-folding motor (82), and an edge-folding wheel (83). The XYZ three-axis sliding worktable (81) is installed on the second housing (400). The XYZ three-axis sliding worktable (81) is used to drive the edge-folding motor (82) to slide along the X-axis, Y-axis, and Z-axis. The edge-folding motor (82) is arranged vertically, and the edge-folding wheel (83) is fixed to the bottom of the output shaft of the edge-folding motor (82). The high-speed rotating edge-folding wheel (83) is used to squeeze the top of the cylindrical semi-finished product.

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