Welding machine for metal product machining

Abstract

The invention relates to the technical field of metal product machining, and discloses a welding machine for metal product machining, which comprises a sliding seat, the upper surface of the sliding seat is fixedly connected with a welding machine main body, the outer surface of the welding machine main body is fixedly connected with a wire, and one end of the wire is fixedly connected with a welding gun. A workbench is fixedly connected to the upper surface of the welding machine body, a welding mechanism is clamped in the workbench, an arc-shaped through hole is formed in the workbench, a workpiece is arranged on the upper surface of the workbench, a guide mechanism is clamped to the outer surface of a welding gun, the welding gun is fixed through cooperation of a threaded column and a semicircular ring, and a spring assists in limiting. The welding gun can be quickly disassembled by utilizing the convex ring and the groove; the rotating frame and the hydraulic device adjust the angle position of the welding gun to adapt to a large workpiece; the distance between the guide plate and the rectangular lantern ring can adjust the height of the cover body.

Description

Technical Field

[0001] The present invention relates to the technical field of metal product processing, in particular to a welding machine for metal product processing. Background Art

[0002] In metal product processing, welding machines are important equipment. Traditional welding machines have shortcomings: handheld welding guns are difficult to ensure accuracy, fixed welding guns are inflexible and difficult to adapt to large or complex workpieces; some equipment has poor protection and guidance, affecting efficiency and quality. Therefore, it is necessary to develop more accurate, flexible and well-protected welding machines.

[0003] The patent application with application number CN202222508131.3 discloses a welding machine for processing metal products, including a base plate, an electric slide, a baffle and holes; through the setting of the flue gas treatment mechanism, it has the advantage of being able to treat the smoke during welding, which not only ensures the quality of the surrounding air cycle, but also prevents the workers from being adsorbed into the body for a long time and causing physical damage. By opening the holes and adsorption of the vacuum cleaner, connecting pipe and air intake hopper, the flue gas is filtered, collected and processed by the conveying pipe, air purifier and activated carbon filter cover, thereby facilitating effective purification of the flue gas. Through the setting of the limited rotation mechanism, it can be used to fix the tubular metal product while also being used to rotate it.

[0004] However, this patent also has the following shortcomings, that is, when welding with a handheld welding machine, the metal product needs to be placed on the workbench surface and welded by the welding machine. Therefore, when welding larger metal products, it is difficult to ensure the accuracy of handheld welding, and the fixed welding gun is difficult to adapt to different welding environments. In response to this situation, a welding machine for metal product processing is specially proposed. Summary of the Invention

[0005] The object of the present invention is to provide a welding machine for processing metal products to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: A welding machine for processing metal products, comprising a sliding seat, the upper surface of which is fixedly connected to a welding machine body, the outer surface of which is fixedly connected to a wire, one end of which is fixedly connected to a welding gun, the upper surface of which is fixedly connected to a workbench, the interior of which is clamped with a welding mechanism, the welding mechanism comprising: Semicircular ring one, the inner wall of the semicircular ring one is fixedly connected to a semicircular snap ring one, the internal thread of the semicircular ring one is connected to a threaded column one, the lower surface of the threaded column one is fixedly connected to a spring one, the outer surface of the threaded column one is threadedly connected to a semicircular ring two, the inner wall of the semicircular ring two is fixedly connected to a semicircular snap ring two, and the spring one is used to limit the threaded column one.

[0007] According to the above technical solution, an arc-shaped through hole is opened inside the workbench, a workpiece is set on the upper surface of the workbench, a guide mechanism is clamped on the outer surface of the welding gun, the lower surface of the welding gun is in contact with the upper surface of the workpiece, and the arc-shaped through hole is used to discharge the arc groove of the workbench.

[0008] According to the above technical solution, the welding mechanism also includes a sliding block, which is clamped with the workbench, the upper surface of the sliding block is fixedly connected to an L-shaped plate 1, the lower surface of the semicircular ring 1 is fixedly connected to an L-shaped frame, the internal thread of the L-shaped frame is connected to a threaded column 2, the threaded column 2 abuts against the welding gun, the outer surface of the L-shaped frame is fixedly connected to a bellows, and the threaded column 2 is used to abut and limit the welding gun.

[0009] According to the above technical solution, the welding mechanism also includes a rotating shaft, which is fixedly connected to the outer surface of the L-shaped frame. The outer surface of the rotating shaft is rotatably connected to the rotating frame 1, and the interior of the rotating frame 1 is rotatably connected to the Z-shaped rotating frame. The outer surface of the rotating frame 1 is fixedly connected to the hydraulic rotating device 1, and the outer surface of the Z-shaped rotating frame is rotatably connected to the hydraulic rotating device 2. The hydraulic rotating device 1 and the hydraulic rotating device 2 are used to adjust the position of the welding gun.

[0010] According to the above technical solution, the L-shaped plate 1 is rotatably connected to the Z-shaped rotating frame, the semicircular snap ring 1 and the semicircular snap ring 2 are in contact with the outer surface of the welding gun, the outer surface of the threaded column 1 is provided with a convex ring, and the interiors of the semicircular ring 1 and the semicircular ring 2 are provided with grooves, which coincide with the convex rings, the lower surface of the spring 1 is fixedly connected to the upper surface of the semicircular ring 2, and the semicircular snap ring 1 and the semicircular snap ring 2 are used to limit the welding gun.

[0011] According to the above technical solution, the outer surface of the welding gun is fixedly connected to the hydraulic rotating device 1, the lower surface of the L-shaped plate 1 is in contact with the upper surface of the workbench, the outer surface of the threaded column 2 is fixedly connected to the limiting ring, the outer surface of the limiting ring is fixedly connected to the outer surface of the bellows, and the bellows is used to protect the threaded column 2.

[0012] According to the above technical solution, the guide mechanism includes a rectangular collar, which is clamped with the welding gun, and the outer surface of the rectangular collar is fixedly connected to a bending guide rod, and the outer surface of the bending guide rod is fixedly connected to a spring 2, and the outer surface of the spring 2 is fixedly connected to an L-shaped plate 2, and the outer surface of the L-shaped plate 2 is provided with an L-shaped plate 3. The outer surface of the rectangular collar is slidably connected to a through-hole plate, and the outer surface of the through-hole plate is fixedly connected to a telescopic cover, and the upper surface of the telescopic cover is fixedly connected to a guide plate, and the guide plate is used to guide the telescopic cover.

[0013] According to the above technical solution, the L-shaped plate two and the L-shaped plate three are fixed by bolts, the L-shaped plate three is clamped with the wire, the telescopic cover is sleeved with the welding gun, the outer surface of the guide plate is in contact with the outer surface of the welding gun, and the telescopic cover is used to protect the welding gun.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. This type of welding machine for metal product processing, when limiting and fixing the welding gun, is provided with a threaded column. While the semicircular ring and the semicircular retaining ring limit the welding gun, the threaded column is twisted to be threadedly connected with the semicircular ring to achieve fixation of the welding gun, and the spring is used for elastic limiting to fix the two semicircular rings.

[0015] 2. When the welding gun of this type of welding machine for processing metal products is quickly disassembled, the convex ring on the outer surface of the threaded column and the groove inside the semi-circular ring are utilized. By twisting the threaded column, the convex ring and the groove are engaged, and the connection between the two semi-circular rings is detached, thereby achieving quick disassembly of the welding gun.

[0016] 3. This type of metal product processing welding machine uses a rotating connection between the turret and the Z-shaped turret, allowing the welding gun to rotate outward. The angle and position of the welding gun can be adjusted in conjunction with the hydraulic rotation device. It can flexibly adapt to the welding needs of larger metal products and ensure precise operation of the welding gun.

[0017] 4. This type of welding machine for metal product processing is provided with a guide plate. When the telescopic cover protects the welding gun, the guide plate guides the telescopic cover to prevent it from interfering with the welding of the welding gun. The height of the telescopic cover can be adjusted by using the distance between the guide plate and the rectangular ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a cross-sectional view of the structure of the main body of the present invention; Figure 3 It is a structural cross-sectional view of the workbench of the present invention; Figure 4 This is a schematic structural diagram of the L-shaped frame of the present invention; Figure 5 for Figure 4 A magnified cross-sectional view of the structure at point A in the middle; Figure 6 It is a structural schematic diagram of the rotating shaft of the present invention; Figure 7 It is a structural schematic diagram of the guide mechanism of the present invention; Figure 8 It is a structural schematic diagram of the telescopic cover of the present invention.

[0019] In the figure: 1. sliding seat; 2. welding machine body; 21. wire; 22. welding gun; 3. workbench; 31. arc-shaped through hole; 4. workpiece; 5. welding mechanism; 51. sliding block; 52. L-shaped plate 1; 53. semicircular ring 1; 531. semicircular snap ring 1; 532. threaded column 1; 533. spring 1; 534. semicircular ring 2; 535. semicircular snap ring 2; 54. L-shaped frame; 541. threaded column 2; 542. bellows; 55. rotating shaft; 551. rotating frame 1; 552. hydraulic rotating device 1; 553. Z-shaped rotating frame; 554. hydraulic rotating device 2; 6. guide mechanism; 61. rectangular collar; 62. bent guide rod; 621. spring 2; 622. L-shaped plate 2; 623. L-shaped plate 3; 63. through-hole plate; 631. telescopic cover; 632. guide plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention.

[0022] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0023] Example 1: See Figures 1-6 The present invention provides a technical solution: a welding machine for metal product processing, comprising a sliding seat 1, a welding machine body 2 fixedly connected to the upper surface of the sliding seat 1, a wire 21 fixedly connected to the outer surface of the welding machine body 2, one end of the wire 21 fixedly connected to a welding gun 22, a workbench 3 fixedly connected to the upper surface of the welding machine body 2, a welding mechanism 5 clamped inside the workbench 3, and the welding mechanism 5 comprising: Semicircular ring 1 53, the inner wall of semicircular ring 1 53 is fixedly connected with semicircular retaining ring 1 531, the internal thread of semicircular ring 1 53 is connected with threaded column 1 532, the lower surface of threaded column 1 532 is fixedly connected with spring 1 533, the outer surface of threaded column 1 532 is threadedly connected with semicircular ring 2 534, the inner wall of semicircular ring 2 534 is fixedly connected with semicircular retaining ring 2 535, and spring 1 533 is used to limit threaded column 1 532.

[0024] An arc-shaped through hole 31 is opened inside the workbench 3, a workpiece 4 is set on the upper surface of the workbench 3, a guide mechanism 6 is clamped on the outer surface of the welding gun 22, the lower surface of the welding gun 22 is in contact with the upper surface of the workpiece 4, and the arc-shaped through hole 31 is used to discharge the arc groove of the workbench 3.

[0025] The welding mechanism 5 also includes a sliding block 51, which is clamped with the workbench 3. The upper surface of the sliding block 51 is fixedly connected to an L-shaped plate 1 52, and the lower surface of the semicircular ring 1 53 is fixedly connected to an L-shaped frame 54. The internal thread of the L-shaped frame 54 is connected to a threaded column 2 541, and the threaded column 2 541 abuts against the welding gun 22. The outer surface of the L-shaped frame 54 is fixedly connected to a bellows 542, and the threaded column 2 541 is used to abut and limit the welding gun 22.

[0026] The welding mechanism 5 also includes a rotating shaft 55, which is fixedly connected to the outer surface of the L-shaped frame 54. The outer surface of the rotating shaft 55 is rotatably connected to a rotating frame 1 551, and the interior of the rotating frame 1 551 is rotatably connected to a Z-shaped rotating frame 553. The outer surface of the rotating frame 1 551 is fixedly connected to a hydraulic rotating device 1 552, and the outer surface of the Z-shaped rotating frame 553 is rotatably connected to a hydraulic rotating device 2 554. The hydraulic rotating device 1 552 and the hydraulic rotating device 2 554 are used to adjust the position of the welding gun 22.

[0027] The L-shaped plate 1 52 is rotatably connected to the Z-shaped rotating frame 553, the semicircular snap ring 1 531 and the semicircular snap ring 2 535 are in contact with the outer surface of the welding gun 22, the outer surface of the threaded column 1 532 is provided with a convex ring, and the interior of the semicircular ring 1 53 and the semicircular ring 2 534 is provided with a groove, which coincides with the convex ring, the lower surface of the spring 1 533 is fixedly connected to the upper surface of the semicircular ring 2 534, and the semicircular snap ring 1 531 and the semicircular snap ring 2 535 are used to limit the welding gun 22.

[0028] The outer surface of the welding gun 22 is fixedly connected to the hydraulic rotating device 552, the lower surface of the L-shaped plate 52 is in contact with the upper surface of the workbench 3, the outer surface of the threaded column 2 541 is fixedly connected to the limiting ring, the outer surface of the limiting ring is fixedly connected to the outer surface of the bellows 542, and the bellows 542 is used to protect the threaded column 2 541. When the sliding block 51 slides inside the workbench 3, impurities inside the workbench 3 are discharged through the arc-shaped through hole 31, thereby preventing them from affecting the sliding of the welding mechanism 5. When the threaded column 2 541 is engaged with the welding gun 22, the threaded column 2 541 is protected by the extension and contraction of the bellows 542.

[0029] When welding a smaller workpiece 4 using a handheld welding gun 22, the welding quality is uneven due to the hand-holding. When welding a larger workpiece 4, if the welding gun 22 is fixed, it is difficult to adapt to different welding environments. Therefore, the welding mechanism 5 is required to quickly fix and disassemble the welding gun 22 to adapt to different welding environments.

[0030] The working principle of this embodiment is as follows: when using this type of welding machine for processing metal products, a workpiece 4 is set on the outer surface of the workbench 3, and the welding gun 22 is clamped on the surface of the semicircular clamping ring 1 531, and the semicircular clamping ring 25 is clamped with the welding gun 22 at the same time. The rotation of the threaded column 1 532 causes the threaded column 1 532 to be threadedly connected with the semicircular ring 1 53, and the elastic push of the spring 1 533 causes the semicircular ring 2 534 and the semicircular ring 1 53 to clamp and fix the welding gun 22. At the same time, by rotating the threaded column 2 541, the threaded column 2 541 rotates inside the L-shaped frame 54, so that the threaded column 2 541 is clamped with the welding gun 22, and the bellows 542 is stretched and retracted accordingly. At this time, the hydraulic rotating device 1 552 is clamped on the surface of the welding gun 22. At this time, the welding gun 22 is pushed by the hydraulic rotating device 1 552, so that the welding gun 22 rotates around the rotating shaft 55, and is pushed by the hydraulic rotating device 1 552. Through the cooperation of the hydraulic rotating device 2 554 and the Z-shaped rotating frame 553, the angle and position of the welding gun 22 are adjusted so that the welding gun 22 can weld the workpiece 4. At this time, the welding mechanism 5 is pushed by the L-shaped plate 1 52 to move the sliding block 51 inside the workbench 3, thereby welding the workpiece 4. The welding gun 22 is moved outward by the rotation of the rotating frame 1 551 and the Z-shaped rotating frame 553, and the welding gun 22 is pushed by the sliding seat 1 for welding. When welding a larger workpiece 4 that is difficult to place on the surface of the workbench 3, the convex ring of the threaded column 1 532 is threadedly connected with the groove of the semicircular ring 2 534 by rotating the threaded column 1 532, so that the lower surface of the threaded column 1 532 is flush with the lower surface of the semicircular ring 2 534, thereby releasing the connection between the semicircular ring 1 53 and the semicircular ring 2 534, and then the welding gun 22 is taken out for welding.

[0031] Example 2: Please refer to Figure 7-Figure 8On the basis of the first embodiment, the present invention provides a technical solution: the guide mechanism 6 includes a rectangular collar 61, which is clamped with the welding gun 22, and the outer surface of the rectangular collar 61 is fixedly connected to a bent guide rod 62, and the outer surface of the bent guide rod 62 is fixedly connected to a second spring 621, and the outer surface of the second spring 621 is fixedly connected to a second L-shaped plate 622, and the outer surface of the second L-shaped plate 622 is provided with a third L-shaped plate 623, and the outer surface of the rectangular collar 61 is slidably connected to a through-hole plate 63, and the outer surface of the through-hole plate 63 is fixedly connected to a telescopic cover 631, and the upper surface of the telescopic cover 631 is fixedly connected to a guide plate 632, and the guide plate 632 is used to guide the telescopic cover 631.

[0032] The L-shaped plate 2 622 and the L-shaped plate 3 623 are fixed by bolts, the L-shaped plate 3 623 is clamped with the wire 21, the telescopic cover 631 is sleeved with the welding gun 22, the outer surface of the guide plate 632 is in contact with the outer surface of the welding gun 22, and the telescopic cover 631 is used to protect the welding gun 22. The outer surface of the guide plate 632 is in contact with the surface of the welding gun 22. At the same time, the distance from the upper surface of the guide plate 632 to the lower surface of the rectangular ring 61 is the same as the distance from the upper surface of the telescopic cover 631 to the lower surface of the rectangular ring 61, so that the telescopic cover 631 can be telescoped on the surface of the rectangular ring 61.

[0033] When the workpiece 4 is welded by the welding gun 22, the welding slag generated during the welding process will splash and affect the welding, so the guide mechanism 6 is needed to protect and block the welding gun 22 to prevent the welding slag from splashing and affecting the disassembly and assembly of the welding mechanism 5.

[0034] The working principle of this embodiment is as follows: when using this type of welding machine for processing metal products, when adjusting the angle of the welding gun 22, the spring 2 621 pulls the L-shaped plate 2 622 to slide on the surface of the bent guide rod 62, and the L-shaped plate 3 623 connected by bolts guides the wire 21, so that when the welding gun 22 rotates, the wire 21 will not affect the rotation of the welding gun 22, and the distance between the L-shaped plate 2 622 and the L-shaped plate 3 623 can be adjusted by the bolts. At this time, by pushing the L-shaped plate 1 52, the wire The movable welding gun 22 welds the workpiece 4, and the telescopic cover 631 protects and blocks the welding of the workpiece 4 to prevent welding slag from splashing. During the welding process of the workpiece 4, the through-hole plate 63 slides on the surface of the rectangular collar 61, so that the telescopic cover 631 can slide up and down, and the sliding of the telescopic cover 631 is restricted by the guide plate 632 so that it can only slide in the vertical direction. Therefore, when the welding gun 22 is welding with the workpiece 4, the telescopic cover 631 can adapt to different surfaces of the workpiece 4 by sliding up and down.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A welding machine for processing metal products, comprising a sliding seat (1), the upper surface of the sliding seat (1) is fixedly connected to a welding machine body (2), the outer surface of the welding machine body (2) is fixedly connected to a wire (21), one end of the wire (21) is fixedly connected to a welding gun (22), the upper surface of the welding machine body (2) is fixedly connected to a workbench (3), the interior of the workbench (3) is clamped with a welding mechanism (5), characterized in that: The welding mechanism (5) comprises: A semicircular ring (53) is fixedly connected to the inner wall of the semicircular ring (53) with a semicircular snap ring (531), the inner thread of the semicircular ring (53) is connected to a threaded column (532), the lower surface of the threaded column (532) is fixedly connected to a spring (533), the outer surface of the threaded column (532) is threadedly connected to a semicircular ring (534), the inner wall of the semicircular ring (534) is fixedly connected to a semicircular snap ring (535), and the spring (533) is used to limit the threaded column (532).

2. A welding machine for metal product processing according to claim 1, characterized in that: An arc-shaped through hole (31) is provided inside the workbench (3), a workpiece (4) is provided on the upper surface of the workbench (3), a guide mechanism (6) is clamped on the outer surface of the welding gun (22), the lower surface of the welding gun (22) is in contact with the upper surface of the workpiece (4), and the arc-shaped through hole (31) is used to discharge the arc groove of the workbench (3).

3. A welding machine for metal product processing according to claim 2, characterized in that: The welding mechanism (5) further comprises a sliding block (51), wherein the sliding block (51) is clamped with the workbench (3), the upper surface of the sliding block (51) is fixedly connected to an L-shaped plate (52), the lower surface of the semicircular ring (53) is fixedly connected to an L-shaped frame (54), the internal thread of the L-shaped frame (54) is connected to a threaded column (541), the threaded column (541) abuts against the welding gun (22), the outer surface of the L-shaped frame (54) is fixedly connected to a bellows (542), and the threaded column (541) is used to abut and limit the welding gun (22).

4. A welding machine for metal product processing according to claim 3, characterized in that: The welding mechanism (5) further comprises a rotating shaft (55), wherein the rotating shaft (55) is fixedly connected to the outer surface of the L-shaped frame (54), the outer surface of the rotating shaft (55) is rotatably connected to a rotating frame 1 (551), the interior of the rotating frame 1 (551) is rotatably connected to a Z-shaped rotating frame (553), the outer surface of the rotating frame 1 (551) is fixedly connected to a hydraulic rotating device 1 (552), the outer surface of the Z-shaped rotating frame (553) is rotatably connected to a hydraulic rotating device 2 (554), and the hydraulic rotating device 1 (552) and the hydraulic rotating device 2 (554) are used for adjusting the position of the welding gun (22).

5. The metal product processing welding machine according to claim 4, characterized in that: The L-shaped plate 1 (52) is rotatably connected to the Z-shaped rotating frame (553), the semicircular snap ring 1 (531) and the semicircular snap ring 2 (535) are in contact with the outer surface of the welding gun (22), the outer surface of the threaded column 1 (532) is provided with a convex ring, the interiors of the semicircular ring 1 (53) and the semicircular ring 2 (534) are provided with grooves, and the grooves are consistent with the convex rings, the lower surface of the spring 1 (533) is fixedly connected to the upper surface of the semicircular ring 2 (534), and the semicircular snap ring 1 (531) and the semicircular snap ring 2 (535) are used to limit the welding gun (22).

6. The metal product processing welding machine according to claim 5, characterized in that: The outer surface of the welding gun (22) is fixedly connected to the hydraulic rotating device (552), the lower surface of the L-shaped plate (52) is in contact with the upper surface of the workbench (3), the outer surface of the threaded column (541) is fixedly connected to the limit ring, the outer surface of the limit ring is fixedly connected to the outer surface of the bellows (542), and the bellows (542) is used to protect the threaded column (541).

7. The metal product processing welding machine according to claim 4, characterized in that: The guide mechanism (6) comprises a rectangular collar (61), the rectangular collar (61) being clamped with the welding gun (22), the outer surface of the rectangular collar (61) being fixedly connected to a bending guide rod (62), the outer surface of the bending guide rod (62) being fixedly connected to a second spring (621), the outer surface of the second spring (621) being fixedly connected to a second L-shaped plate (622), the outer surface of the second L-shaped plate (622) being provided with a third L-shaped plate (623), the outer surface of the rectangular collar (61) being slidably connected to a through-hole plate (63), the outer surface of the through-hole plate (63) being fixedly connected to a telescopic cover (631), the upper surface of the telescopic cover (631) being fixedly connected to a guide plate (632), the guide plate (632) being used to guide the telescopic cover (631).

8. The metal product processing welding machine according to claim 7, characterized in that: The L-shaped plate 2 (622) and the L-shaped plate 3 (623) are fixed by bolts, the L-shaped plate 3 (623) is clamped with the wire (21), the telescopic cover (631) is sleeved with the welding gun (22), the outer surface of the guide plate (632) is in contact with the outer surface of the welding gun (22), and the telescopic cover (631) is used to protect the welding gun (22).

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