Guide wire sheath coil pipe welding machine

Abstract

The utility model discloses a guide wire sheath coil pipe welding machine which comprises a workbench and further comprises a coil pipe mechanism, the coil pipe mechanism is connected with the workbench, the coil pipe mechanism comprises a rotating disc, and the rotating disc is used for conducting coil pipe on a guide wire sheath; the welding mechanism is connected with the workbench, and the welding mechanism is used for welding the guide wire sheath; and the jacking mechanism is connected with the workbench, the jacking mechanism is arranged on one side of the pipe coiling mechanism, and the jacking mechanism can extrude a guide wire sheath in the direction close to the circle center of the rotary disc. The guide wire sheaths are extruded in the direction close to the circle center of the rotary table by arranging the jacking mechanism, so that the adjacent spiral guide wire sliding sleeves are more compact, and welded products are firmer.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, in particular to a welding machine for a guide wire sheath coil tube. Background Art

[0002] With the rapid development of the interventional medical device industry in recent years, China also has great development potential and a wide demand space in the interventional medical device industry. Among them, the application of guide wire stent products has also increased successively. The guide wire sheath is a protective tube widely used in domestic guide wire stent products. When the material of the guide wire sheath is relatively soft or the outer diameter is relatively small, poor welding will occur during the welding process. How to solve this technical problem is still an urgent problem to be solved at present. Content of the Utility Model

[0003] To overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a welding machine for a guide wire sheath coil tube, which controls the firmness of the product after welding by setting a blanking mechanism.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a welding machine for a guide wire sheath coil tube, including a workbench, and further including:

[0005] A coil tube mechanism, the coil tube mechanism is connected to the workbench, the coil tube mechanism includes a turntable, and the turntable is used for coiling the guide wire sheath;

[0006] A welding mechanism, the welding mechanism is connected to the workbench, and the welding mechanism is used for welding the guide wire sheath;

[0007] A blanking mechanism, the blanking mechanism is connected to the workbench, the blanking mechanism is arranged on one side of the coil tube mechanism, and the blanking mechanism can squeeze the guide wire sheath towards the direction close to the center of the turntable.

[0008] By setting the blanking mechanism to squeeze the guide wire sheath towards the direction close to the center of the turntable, the adjacent guide wire slip sleeves after coiling are made more compact, and the product after welding is more firm.

[0009] Further, the blanking mechanism includes a blanking cylinder and a blanking part. The blanking cylinder is connected to the workbench, the telescopic shaft of the blanking cylinder is connected to the blanking part, and the blanking cylinder can drive the blanking part to move towards or away from the center of the turntable.

[0010] Further, the blanking mechanism further includes a blanking slide rail and a blanking slider. The blanking slide rail is connected to the coil mechanism. A blanking slider is arranged on the blanking slide rail. The blanking slider is connected to the blanking cylinder. The blanking slider can slide along the blanking slide rail under the drive of the blanking cylinder. The blanking slider is connected to the blanking member. Through the arrangement of the blanking slide rail and the blanking slider, a guiding effect is exerted on the blanking member, enabling the blanking member to be stably located below the wire guiding sheath and extruding the wire guiding sheath.

[0011] Further, a feeding mechanism is further included. The feeding mechanism can convey the wire guiding sheath to the coil mechanism. The feeding mechanism includes a sensor which can sense whether there is a wire guiding sheath at the feeding mechanism. When a wire guiding sheath is sensed, the pressing cylinder is started to clamp the wire guiding sheath by the roller shaft, and then the feeding motor and the coil mechanism are started to realize the function of automatically starting the coil machine for coil welding.

[0012] Further, the feeding mechanism further includes a feeding fixing plate. A feeding motor and two parallel roller shafts are fixedly arranged on the feeding fixing plate. The wire guiding sheath is arranged between the two roller shafts, and the two roller shafts can clamp the wire guiding sheath.

[0013] Further, the feeding mechanism further includes a guiding rod. One end of the guiding rod is connected to the feeding fixing plate, and the other end extends towards the coil mechanism. An axial through hole is arranged in the guiding rod, and the wire guiding sheath can enter the through hole. The guiding rod can support the wire guiding sheath.

[0014] Further, the coil mechanism further includes a center positioning disc which is arranged on one side of the turntable and integrally connected to the turntable. The center positioning disc and the turntable are concentrically arranged. The center fixing plate and the blanking member are located on the same plane.

[0015] Further, the coil mechanism further includes an end positioning cylinder and an end positioning plate. The telescopic shaft of the end positioning cylinder penetrates through the turntable and is connected to the end positioning plate. The end positioning cylinder can drive the end positioning plate to move in a direction perpendicular to the turntable. A positioning groove is arranged on one side surface of the end positioning plate close to the end positioning cylinder, and the end of the wire guiding sheath can extend into the positioning groove.

[0016] Further, the welding mechanism includes a welding head, a horizontal driving component and a vertical driving component. The horizontal driving component is connected to the welding head and can drive the welding head to move in a second direction. The vertical driving component is connected to the welding head, and the vertical driving component can drive the welding head to move in a third direction.

[0017] Further, the vertical driving component includes a vertical guide rail and a vertical slider arranged in the vertical direction. The vertical slider is connected to the welding head, and the vertical slider can drive the welding head to slide in the vertical direction along the vertical guide rail. The vertical driving component includes a servo motor, and the servo motor is connected to the vertical slider through a lead screw.

[0018] The beneficial effects of the present utility model are as follows:

[0019] 1) By setting the ejector mechanism to squeeze the wire guide sheath towards the direction close to the center of the turntable, the adjacent coiled wire guide sleeves are made more compact, making the product welding more firm and uniform.

[0020] 2) Through the setting of the ejector slide rail and the ejector slider, it plays a guiding role for the ejector part, enabling the ejector part to be stably located below the wire guide sheath and squeeze the wire guide sheath.

[0021] 3) Through the setting of the inductor, it can sense the material and automatically start the coil welding.

[0022] 4) During the welding process, through the setting of the servo motor and the lead screw, the height of the welding head in the vertical direction can be precisely controlled, so as to ensure that when the coil diameter of the wire guide sleeve becomes larger during the coiling process, the welding head can move downward synchronously and precisely weld the wire guide sheath.

[0023] 5) The welding head adopts the adjustable-temperature and constant-temperature hot melting technology to weld the wire guide sheath, making the connection between the wire guide sheaths more firm. Description of the Drawings

[0024] The drawings constituting a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a perspective view of a wire guide sheath coil welding machine according to an embodiment of the present utility model;

[0027] Figure 2 It is a schematic connection diagram of each mechanism in a wire guide sheath coil welding machine according to an embodiment of the present utility model;

[0028] Figure 3 It is a perspective view of a feeding mechanism according to an embodiment of the present utility model;

[0029] Figure 4 Stereogram of the coiled pipe mechanism according to an embodiment of the present utility model;

[0030] Figure 5 Stereogram of the end positioning plate according to an embodiment of the present utility model;

[0031] Figure 6 Stereogram of the welding mechanism according to an embodiment of the present utility model;

[0032] Figure 7 Stereogram of the ejecting mechanism according to an embodiment of the present utility model.

[0033] In the figure:

[0034] 1. Workbench;

[0035] 2. Feeding mechanism; 21. Feeding fixing plate; 22. Roller shaft; 23. Feeding motor; 24. Pressing cylinder; 25. Positioning roller; 26. Inductor; 27. Guide rod; 28. Feeding slider assembly; 281. Feeding guide rail; 282. Feeding slider; 283. Slide rail motor;

[0036] 3. Coiled pipe mechanism; 31. Coiled pipe fixing plate; 32. Turntable; 33. Coiled pipe motor; 34. Center positioning disc; 35. End positioning plate; 351. Positioning groove; 36. Positioning cylinder;

[0037] 4. Welding mechanism; 41. Horizontal driving assembly; 411. Welding cylinder; 412. Horizontal slider; 413. Horizontal guide rail; 42. Vertical driving assembly; 421. Servo motor; 422. Lead screw; 423. Vertical slider; 424. Vertical guide rail; 43. Welding head;

[0038] 5. Ejecting mechanism; 51. Ejecting cylinder; 52. Ejecting guide rail; 53. Ejecting slider; 54. Ejecting piece;

[0039] 6. Discharging mechanism; 61. Discharging cylinder; 62. Discharging rod; 63. Guide groove;

[0040] 7. Wire guide sheath. Specific embodiments

[0041] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0042] See the appendix Figure 1 and the appendix Figure 2 As shown, a guide wire sheath coiling and welding machine in this embodiment includes a feeding mechanism 2 and a coiling mechanism 3. The feeding mechanism 2 is used to transport the guide wire sheath 7 to the coiling mechanism 3 for coiling. A welding mechanism 4 is arranged on one side of the coiling mechanism 3 to weld the coiled tube while welding. At the same time, a material ejecting mechanism 5 is arranged below the coiling mechanism 3 to apply a certain pressure to the guide wire sheath to make the welding more firm.

[0043] See the appendix Figure 2 and the appendix Figure 3 As shown, in some embodiments, the feeding mechanism 2 includes a feeding fixed plate 21. A feeding motor 23 and two parallel roller shafts 22 are fixedly arranged on the feeding fixed plate 21. The guide wire sheath 7 is arranged between the two roller shafts 22, and the two roller shafts 22 can clamp the guide wire sheath 7. The feeding motor 23 is connected to one roller shaft 22. When the feeding motor 23 drives the roller shaft 22 to rotate, the two roller shafts 22 can clamp and convey the guide wire sheath 7 to convey the guide wire sheath 7 in the direction of the coiling mechanism 3.

[0044] In some embodiments, the feeding mechanism 2 further includes a pressing cylinder 24 connected to the feeding fixed plate 21. The pressing cylinder 24 is located above the roller shafts 22 and is connected to one roller shaft 22. The pressing cylinder 24 can drive one roller shaft 22 to approach or move away from the other roller shaft 22. By setting the pressing cylinder 24, the distance between the two roller shafts 22 can be adjusted, which is convenient for installing the guide wire sheath 7 between the two roller shafts 22, and the distance between the two roller shafts 22 can also be adjusted according to the thickness of the guide wire sheath 7 so that the feeding mechanism 2 can convey guide wire sheaths 7 with different diameters, increasing the adaptability of the feeding mechanism 2.

[0045] In some embodiments, the feeding mechanism 2 further includes a sensor 26. The sensor 26 is connected to the feeding fixed plate 21. The sensor 26 can sense and detect whether there is a guide wire sheath 7. When the guide wire sheath 7 is sensed, the pressing cylinder 24 is started to make the roller shafts 22 clamp the guide wire sheath 7, and then the feeding motor 23 and the coiling mechanism 3 are started to realize the function of automatically starting the coiling machine for coiling and welding.

[0046] In some embodiments, the feeding mechanism 2 further includes two groups of positioning rollers 25, which are respectively arranged on the front and rear sides of the roller shafts 22. By setting the positioning rollers 25, the position of the guide wire sheath 7 is limited to prevent the guide wire sheath 7 from shaking left and right.

[0047] In some embodiments, the feeding mechanism 2 further includes a guiding rod 27. One end of the guiding rod 27 is connected to the feeding fixing plate 21, and the other end extends towards the coiling mechanism 3. An axial through hole is provided in the guiding rod 27. The wire guiding sheath 7 conveyed by being clamped by the roller shaft 22 enters the through hole, and the wire guiding sheath 7 is supported through the through hole. Since the wire guiding sheath 7 is a flexible tube, through the arrangement of the guiding rod 27, it can prevent the wire guiding sheath 7 from bending downwards, ensuring that the wire guiding sheath 7 can be smoothly conveyed to the coiling mechanism 3.

[0048] In some embodiments, the feeding mechanism 2 further includes a feeding slider assembly 28. The feeding slider assembly 28 can drive the feeding fixing plate 21 to slide in the first direction (the X-axis direction), approaching or moving away from the coiling mechanism 3, thereby changing the distance between the feeding mechanism 2 and the coiling mechanism 3.

[0049] Specifically, the feeding slider assembly 28 includes a feeding guide rail 281. The feeding guide rail 281 is arranged parallel to the conveying direction of the feeding mechanism 2. A feeding slider 282 is arranged on the feeding guide rail 281, and the feeding slider 282 can slide along the feeding guide rail 281. The feeding slider 282 is connected to the feeding fixing plate 21, and the feeding slider 282 can drive the feeding fixing plate 21 and the mechanisms connected to the feeding fixing plate 21 to slide along the feeding slider 282 together.

[0050] The feeding slider assembly 28 further includes a slide rail motor 283. The slide rail motor 283 is connected to the feeding slider 282, and the slide rail motor 283 can drive the feeding slider 282 to move along the feeding guide rail 281.

[0051] See Appendix Figure 2 and Appendix Figure 4 As shown, in some embodiments, the coiling mechanism 3 includes a coiling fixing plate 31. The coiling fixing plate 31 is fixedly connected to the workbench 1. It further includes a coiling motor 33 and a turntable 32. The coiling motor 33 passes through the coiling fixing plate 31 and is connected to the turntable 32, and the coiling motor 33 can drive the turntable 32 to rotate.

[0052] In some embodiments, the coiling mechanism 3 further includes a center positioning disk 34. The center positioning disk 34 is arranged on one side of the turntable 32 and is integrally connected to the turntable. The center positioning disk 34 and the turntable 32 are concentrically arranged. Through the arrangement of the center positioning disk 34, it guides the wire guiding sheath 7 during coiling, so that the wire guiding sheath 7 is coiled along the edge of the center positioning disk 34.

[0053] See Appendix Figure 4 and Appendix Figure 5As shown, in some embodiments, the coiling mechanism 3 includes an end positioning assembly for positioning and fixing the end of the guide wire sheath 7 to facilitate the coiling of the guide wire sheath 7. The end positioning assembly includes an end positioning cylinder 36 and an end positioning plate 35, the telescopic shaft of the end positioning cylinder 36 passes through the turntable 32 and the end positioning plate 35, and the end positioning cylinder 36 can drive the end positioning plate 35 to move in a direction perpendicular to the turntable 32.

[0054] The end positioning plate 35 is provided with a positioning groove 351 on one side close to the end positioning cylinder 36. The positioning groove 351 is in the shape of a strip. The end of the guide wire sheath 7 delivered by the feeding mechanism 2 can extend into the positioning groove 351. Under the action of the end positioning cylinder 36, the end positioning plate 35 moves toward the turntable 32. The turntable 32 and the end positioning plate 35 clamp the guide wire sheath 7, thereby fixing the end of the guide wire sheath.

[0055] See attached Figure 2 and attached Figure 6 As shown, in some embodiments, a welding mechanism 4 is further included, and the welding mechanism 4 is arranged on one side of the turntable 32. The welding mechanism 4 can weld the guide wire sheath 7 located on the turntable 32. The welding mechanism 4 includes a welding head 43, and the welding head 43 adopts an adjustable constant temperature hot melt technology to weld the guide wire sheath 7, so that the connection between the guide wire sheaths 7 is more firm.

[0056] In some embodiments, the welding mechanism 4 further includes a horizontal driving assembly 41 and a vertical driving assembly 42. The horizontal driving assembly 41 is connected to the welding head 43 and can drive the welding head 43 to move in the second direction (Y-axis direction), and the vertical driving assembly 42 is connected to the welding head 43 and can drive the welding head 43 to move in the third direction (Z-axis direction).

[0057] In some embodiments, the horizontal drive assembly 41 includes a welding cylinder 411, which is connected to the workbench 1, and also includes a horizontal guide rail 413 and a horizontal slider 412. The horizontal guide rail 413 is connected to the workbench 1, and a horizontal slider 412 is provided on the horizontal guide rail 413. The welding cylinder 411 is connected to the horizontal slider 412, and the horizontal slider 412 can move along the horizontal guide rail 413 under the action of the welding cylinder 411. The horizontal slider 412 is connected to the welding head 43 through the vertical drive assembly 42, and then the welding head 43 can be driven to move in the second direction through the horizontal drive assembly 41. Through the setting of the horizontal drive assembly 41, after the coil is completed, the horizontal drive assembly 41 drives the welding head away from the turntable 32 to facilitate the unloading of the coil.

[0058] In some embodiments, the vertical driving assembly 42 includes a vertical guide rail 424 and a vertical slider 423 arranged in the vertical direction. The vertical slider 423 is connected to the welding head 43, and the vertical slider 423 can drive the welding head 43 to slide in the vertical direction along the vertical guide rail 424.

[0059] In some embodiments, the vertical driving assembly 42 includes a servo motor 421. The servo motor 421 is connected to the vertical slider 423 through a lead screw 422. Through the arrangement of the servo motor 421 and the lead screw 422, the height of the welding head in the vertical direction can be accurately controlled to ensure that when the diameter of the coil increases during the process of guiding the wire through the coil sleeve, the welding head can move downward synchronously to accurately weld the wire guide sleeve 7.

[0060] See attached Figure 2 and attached Figure 7 As shown, in some embodiments, a blanking mechanism 5 is further included. The blanking mechanism 5 is connected to the workbench 1 and is arranged below the coil winding mechanism 3, and is used to apply pressure to the wire guide sleeve 7 to make the wire guide sleeves 7 more compact with each other.

[0061] The blanking mechanism 5 includes a blanking cylinder 51. The blanking cylinder 51 is connected to the workbench 1, and the telescopic shaft of the blanking cylinder 51 is connected to a blanking member 54. The blanking cylinder 51 can drive the blanking member 54 to move up and down. The blanking member 54 is arranged below the center positioning disk 34. When the wire guide sleeve 7 is wound along the center positioning disk 34, the blanking disk can extrude the wire guide sleeve 7 towards the center positioning disk 34 to make the welding of the wire guide sleeve 7 more firm.

[0062] The blanking mechanism 5 further includes a blanking slide rail 52 and a blanking slider 53. The blanking slide rail 52 is connected to the coil fixing plate 31. The blanking slide rail 52 is provided with the blanking slider 53. The blanking slider 53 is connected to the blanking member 54. Through the arrangement of the blanking slide rail 52 and the blanking slider 53, a guiding effect is exerted on the blanking member 54, so that the blanking member 54 can be stably located below the wire guide sleeve 7 to extrude the wire guide sleeve 7.

[0063] See attached Figure 2 and attached Figure 4 As shown, in some embodiments, a blanking mechanism 6 is further included. The blanking mechanism 6 includes a blanking cylinder 61 and a blanking rod 62 passing through the turntable 32. The blanking rod 62 is connected to the blanking cylinder 61. The blanking cylinder 61 drives the blanking rod 62 to extend and retract, so that the blanking rod 62 can protrude from the turntable 32, and then push the wire guide sleeve 7 plate located on the turntable 32 to make the wire guide sleeve plate fall off from the turntable 32.

[0064] In some embodiments, the blanking mechanism 6 further includes a blanking guide groove 63. The blanking guide groove 63 is arranged below the turntable 32. After the wire guide sheath disc falls off the turntable 32 first, it enters the blanking guide groove 63 and slides along the blanking guide groove 63 for blanking.

[0065] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0066] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it. However, it cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A guide wire sheath coil welding machine, comprising a workbench (1), characterized in that, It further includes: A coiling mechanism (3), the coiling mechanism (3) is connected to the workbench (1), the coiling mechanism (3) includes a turntable (32), and the turntable (32) is used for coiling the wire sheath (7); A welding mechanism (4), the welding mechanism (4) is connected to the workbench (1), and the welding mechanism (4) is used for welding the wire sheath (7); A blanking mechanism (5), the blanking mechanism (5) is connected to the workbench (1), the blanking mechanism (5) is arranged on one side of the coiling mechanism (3), and the blanking mechanism (5) can extrude the wire sheath (7) towards the direction close to the center of the turntable (32).

2. The guide wire sheath coil welding machine according to claim 1, characterized in that, The blanking mechanism (5) includes a blanking cylinder (51) and a blanking part (54), the blanking cylinder (51) is connected to the workbench (1), the telescopic shaft of the blanking cylinder (51) is connected to the blanking part (54), and the blanking cylinder (51) can drive the blanking part (54) to move towards or away from the center of the turntable (32).

3. The guide wire sheath coil welding machine according to claim 2, wherein The blanking mechanism (5) further includes a blanking slide rail (52) and a blanking slider (53), the blanking slide rail (52) is connected to the coiling mechanism (3), the blanking slide rail (52) is provided with the blanking slider (53), the blanking slider (53) is connected to the blanking cylinder (51), the blanking slider (53) can slide along the blanking slide rail (52) under the drive of the blanking cylinder (51), and the blanking slider (53) is connected to the blanking part (54).

4. The wire guide sheath coil welding machine according to claim 1, characterized in that, It further includes a feeding mechanism (2), the feeding mechanism (2) can convey the wire sheath (7) to the coiling mechanism (3); the feeding mechanism (2) includes a sensor (26), and the sensor (26) can sense and detect whether there is a wire sheath (7) at the feeding mechanism (2).

5. The wire guide sheath coil welding machine according to claim 4, characterized in that, The feeding mechanism (2) further includes a feeding fixing plate (21), a feeding motor (23) and two parallel roller shafts (22) are fixedly arranged on the feeding fixing plate (21), the wire sheath (7) is arranged between the two roller shafts (22), and the two roller shafts (22) can clamp the wire sheath (7).

6. The wire guide sheath coil welding machine according to claim 5, wherein The feeding mechanism (2) further includes a guide rod (27), one end of the guide rod (27) is connected to the feeding fixing plate (21), and the other end extends towards the coiling mechanism (3). An axial through hole is arranged in the guide rod (27), and the wire sheath (7) can enter the through hole, and the guide rod (27) can support the wire sheath (7).

7. The wire guide sheath coil welding machine according to claim 1, wherein, The coiling mechanism (3) further includes a center positioning disc (34), the center positioning disc (34) is arranged on one side of the turntable (32) and is integrally connected to the turntable (32), the center positioning disc (34) and the turntable (32) are concentrically arranged, and the center positioning disc (34) and the blanking part (54) are located on the same plane.

8. The wire guide sheath coil welding machine according to claim 1, characterized in that, The coil mechanism (3) further includes an end positioning cylinder (36) and an end positioning plate (35). The telescopic shaft of the end positioning cylinder (36) passes through the turntable (32) and is connected to the end positioning plate (35). The end positioning cylinder (36) can drive the end positioning plate (35) to move in a direction perpendicular to the turntable (32). A positioning groove (351) is provided on a side surface of the end positioning plate (35) close to the end positioning cylinder (36), and the end of the wire guiding sheath (7) can extend into the positioning groove (351).

9. The wire guide sheath coil welding machine according to claim 1, wherein, The welding mechanism (4) includes a welding head (43), a horizontal driving component (41), and a vertical driving component (42). The horizontal driving component (41) is connected to the welding head (43) and can drive the welding head (43) to move in a second direction. The vertical driving component (42) is connected to the welding head (43), and the vertical driving component (42) can drive the welding head (43) to move in a third direction.

10. The wire guide sheath coil welding machine according to claim 9, wherein The vertical driving component (42) includes a vertical guide rail (424) and a vertical slider (423) arranged in the vertical direction. The vertical slider (423) is connected to the welding head (43), and the vertical slider (423) can drive the welding head (43) to slide along the vertical guide rail (424) in the vertical direction. The vertical driving component (42) includes a servo motor (421), and the servo motor (421) is connected to the vertical slider (423) through a lead screw (422).

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