A welding device for automobile hardware machining

Abstract

This invention relates to the field of automotive hardware welding technology and discloses a welding device for processing automotive hardware, including a housing, a transmission pipe connected through the top of the housing, and a welding gun connected through the end of the transmission pipe away from the housing. When welding is required, the operator moves the device along the outer wall of the gap, and two rollers rotate. The left roller drives a sliding gear rod to slide up and down along the outer wall of a fixed frame through a push rod, and the sliding gear rod drives a gear to rotate clockwise or counterclockwise. The gear rod drives the fixed frame to rotate in the same direction through a rotating rod. Finally, the fixed frame drives the welding gun to swing left and right. During this process, the welding gun heats the welding wire inside the placement tube, causing the wire to melt. The molten metal covers the outer wall of the gap, and the left and right swinging welding gun drives the molten metal to move synchronously, effectively reducing the welding difficulty of "fish scale" patterns and improving welding efficiency.

Description

Technical Field

[0001] This invention relates to the field of automotive hardware welding technology, specifically to a welding device for processing automotive hardware. Background Technology

[0002] Automotive hardware components are the various units that make up the overall automotive parts processing and the products that serve automotive parts processing. During the processing of automotive hardware components, welding is required on their parts.

[0003] Some automotive parts will be directly exposed to the public eye, so while ensuring welding strength, it is also necessary to ensure the aesthetics of the weld. Therefore, argon arc welding with fish scales is often used. However, this type of welding requires workers to practice using both hands for a long time to reach the welding standard. This makes it difficult to use the above welding method for assembly line production, affecting the welding efficiency of the equipment. In order to address the above problems, the following solutions are proposed. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a welding device for processing automotive hardware parts, including a housing, a transmission pipe being connected through the top of the housing, a welding gun being connected through the end of the transmission pipe away from the housing, and a handle being fixedly connected to the top of the housing, and further comprising:

[0005] The fixing mechanism is fixedly connected to the side wall of the housing and is used to drive the welding gun to swing, thereby increasing the welding surface.

[0006] The pressure application mechanism is fixedly connected to both sides of the housing and is used to provide welding wire for the fixing mechanism;

[0007] The pressure mechanism is fixedly connected to the outer wall of the fixed mechanism and is used to restrict the slippage of the welding wire;

[0008] Two rollers are rotatably connected to both sides of the outer casing;

[0009] Before use, the welding wire is placed on the inner wall of the pressure mechanism. Then, the handle is used to move the outer shell along the outer wall of the weld seam, so that the welding gun can weld the weld seam.

[0010] Preferably, the fixing mechanism includes:

[0011] The drive assembly is fixedly connected to the side wall of the housing via a support member;

[0012] The support includes a fixing plate fixedly connected to the side wall of the outer shell, and a rotating rod rotatably connected to the inner wall of the fixing plate.

[0013] The feeding assembly is fixedly connected to the side wall of the fixed plate one via a feeding component;

[0014] The feeding component includes a placement tube that is connected through to one side wall of the fixed plate, a push rod rotatably connected to the outer wall of the roller, a fixed frame 2 fixedly connected to the side wall of the fixed plate, and a sliding toothed rod slidably connected to the outer wall of the fixed frame 2.

[0015] Among them, the roller drives the sliding toothed rod to slide up and down along the outer wall of the fixed frame 2 through the push rod 1.

[0016] Preferably, the pressure-applying mechanism includes:

[0017] The auxiliary component is slidably connected to the outer wall of the placement tube via a slider;

[0018] The sliding component includes a sliding ring that is slidably connected to the outer wall of the placement tube;

[0019] The snap-fit ​​assembly is fixedly connected to the side wall of the sliding ring by a pusher.

[0020] The pushing component includes a pushing frame fixedly connected to the side wall of the sliding ring, and the outer wall of the pushing frame is slidably connected to the inner wall of the fixed plate.

[0021] The roller slides along the outer wall of the placement tube via the sliding ring of the fixing mechanism, and drives the buckle assembly to move synchronously.

[0022] Preferably, the pressure mechanism includes:

[0023] The pressure application assembly is fixedly connected to the outer wall of the placement tube by a limiting member;

[0024] The limiting component includes a fixing block that is fixedly connected to the outer wall of the placement tube, and a sliding rod that is slidably connected to the inner wall of the fixing block;

[0025] The pressure assembly is fixedly connected to the top of the stationary block via a drive component;

[0026] The driving component includes a fixing plate 2 that is fixedly connected to the top of the fixing block;

[0027] Specifically, when the sliding ring drives the buckling assembly to slide through the push frame, the buckling assembly drives the sliding rod to slide up and down along the inner wall of the fixed block through the pressure component.

[0028] Preferably, the drive assembly includes a gear one fixedly connected to the outer wall of the rotating rod, and a fixing frame one fixedly connected to the end of the rotating rod away from the gear one;

[0029] When the sliding rack slides up and down, the gear one that meshes with the sliding rack will rotate accordingly. The vertical range of the sliding rack is small, so the rotation angle of gear one and fixed frame one is small.

[0030] Preferably, the feeding assembly includes a push rod 2 rotatably connected to the outer wall of the roller, a pulling rod rotatably connected to the end of the push rod 2 away from the roller, and a fixed connection between the end of the pulling rod away from the push rod 2 and the outer wall of the sliding ring.

[0031] When the roller rotates, it forces the push rod and the pull rod to drive the sliding ring to slide up and down along the outer wall of the placement tube.

[0032] Preferably, the auxiliary component includes an arc-shaped plate fixedly connected to the inner wall of the sliding ring, the outer wall of the arc-shaped plate being slidably connected to the inner wall of the placement tube, and a spring sheet being fixedly connected to the inner wall of the arc-shaped plate.

[0033] Specifically, when the sliding ring slides along the outer wall of the placement tube, and when the sliding ring drives the spring plate to slide upward, the end of the spring plate will slide along the outer wall of the welding wire due to the influence of the tilt angle of the spring plate. When the sliding ring drives the spring plate to slide downward, the spring plate will exert pressure on the welding wire due to the influence of the spring plate angle, forcing the welding wire to slide downward.

[0034] Preferably, the snap-fit ​​assembly includes a pressure ring fixedly connected to the end of the push frame away from the sliding ring, and an L-shaped toothed bar is fixedly connected to the outer wall of the pressure ring;

[0035] The sliding ring drives the L-shaped toothed rod to move synchronously via the push frame.

[0036] Preferably, the pressure application component includes a toothed rod two fixedly connected to the outer wall of the sliding rod, a sliding toothed block slidably connected to the inner wall of the toothed rod two, and a spring one fixedly connected to the side wall of the sliding toothed block;

[0037] Among them, when the pressure assembly continues to rotate, the sliding tooth block and spring can slide, effectively relieving the excess pressure of the pressure assembly on the sliding rod.

[0038] Preferably, the pressure assembly includes a second gear rotatably connected to the side wall of the fixed plate, and a third gear fixedly connected to the side wall of the second gear;

[0039] Among them, the L-shaped rack meshes with the side wall of gear two, and gear three meshes with the outer wall of rack two.

[0040] The present invention has the following beneficial effects:

[0041] (1) This invention addresses the problem of the difficulty in operating the "fish scale pattern". When welding is required, the operator moves the equipment along the outer wall of the gap. During this process, the two rollers will rotate. The left roller will drive the sliding gear to slide up and down along the outer wall of the fixed frame through the push rod. The sliding gear will drive the gear to rotate clockwise or counterclockwise. The gear will drive the fixed frame to rotate in the same direction through the rotating rod. Finally, the fixed frame will drive the welding gun to swing left and right. During this process, the welding gun heats the welding wire inside the placement tube, causing the wire to melt. The molten metal covers the outer wall of the gap, and the left and right swinging welding gun will drive the molten metal to move synchronously. Finally, the "fish scale pattern" is welded at the outer wall of the gap. Through the application of the above components, the welding difficulty of the "fish scale pattern" is effectively reduced and the welding efficiency is improved.

[0042] (2) The present invention utilizes the rotational characteristics of the rollers mentioned above and sets up a feeding component inside the equipment. When the right roller rotates, the roller drives the pulling rod and the sliding ring to slide up and down along the outer wall of the placement tube through the push rod two. When the sliding ring slides along the outer wall of the placement tube, when the sliding ring drives the spring plate to slide upward, due to the influence of the tilt angle of the spring plate, the end of the spring plate will slide along the outer wall of the welding wire. When the sliding ring drives the spring plate to slide downward, due to the influence of the spring plate angle, the spring plate will exert pressure on the welding wire, forcing the welding wire to slide downward. Through the application of the above components, the stable supply of molten metal is ensured, so that the thickness of the "fish scale pattern" is uniform.

[0043] (3) The present invention utilizes the above-mentioned sliding ring sliding up and down characteristics. The sliding ring drives the L-shaped toothed rod to move synchronously through the push frame. The L-shaped toothed rod will drive the gear two to rotate. The gear two drives the toothed rod two to slide up and down through the gear three. During this process, when the sliding rod reaches the top or bottom, the gear three will rotate. At this time, the force of rotation will be applied to the outer wall of the sliding tooth block, causing the sliding tooth block to squeeze the spring one. After the external pressure disappears, the spring one pushes the sliding tooth block to reset. Through the application of the above components, it is ensured that when the sliding ring moves upward, the sliding rod will slide downward and squeeze the welding wire, preventing the welding wire from falling downward due to vibration and causing the accumulation of molten metal.

[0044] (4) The present invention utilizes the feature of the sliding rod sliding up and down along the inner wall of the fixed block. When the sliding ring slides down, the sliding rod moves away from the outer wall of the welding wire, so that the spring plate can drive the welding wire to move down along the inner wall of the sliding ring, avoiding the obstruction of the bottom sliding rod, which causes the welding wire to deform, and ultimately causes the width of the "fish scale pattern" to protrude or dent, affecting the integrity of the "fish scale pattern". Attached Figure Description

[0045] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0046] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0047] Figure 2 This is a cross-sectional view of the overall structure of the present invention;

[0048] Figure 3 This is a cross-sectional schematic diagram of the driving component of the present invention;

[0049] Figure 4 This is a schematic diagram of the feeding assembly of the present invention;

[0050] Figure 5 This is a cross-sectional schematic diagram of the fixing mechanism of the present invention;

[0051] Figure 6 This is a cross-sectional schematic diagram of the feeding assembly of the present invention;

[0052] Figure 7 For the present invention Figure 6 Enlarged view of point A in the middle;

[0053] Figure 8 This is a schematic diagram of the snap-fit ​​assembly of the present invention;

[0054] Figure 9 This is a schematic diagram of the pressure application component of the present invention;

[0055] Figure 10 For the present invention Figure 9 Enlarged view of point C in the middle;

[0056] Figure 11 This is a cross-sectional schematic diagram of the pressure mechanism of the present invention;

[0057] Figure 12 For the present invention Figure 11 Enlarged diagram of point B in the middle.

[0058] The attached diagram lists the components represented by each number as follows:

[0059] In the diagram: 1. Fixing mechanism; 11. Drive assembly; 12. Feed assembly; 13. Housing; 14. Transfer pipe; 15. Welding gun; 16. Handle; 111. Fixing plate one; 112. Rotating rod; 113. Fixing frame one; 114. Gear one; 121. Roller; 122. Push rod one; 123. Fixing frame two; 124. Sliding rack; 125. Push rod two; 126. Pulling rod; 127. Placement pipe; 2. Pressing mechanism; 21 1. Auxiliary components; 22. Buckle assembly; 211. Sliding ring; 212. Arc plate; 213. Spring sheet; 221. Push frame; 222. Pressure ring; 223. L-shaped rack; 3. Pressure mechanism; 31. Pressure assembly; 32. Pressure assembly; 311. Fixing block; 312. Sliding rod; 313. Rack two; 314. Sliding tooth block; 315. Spring one; 321. Fixing plate two; 322. Gear two; 323. Gear three. Detailed Implementation

[0060] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0061] Example 1, please refer to Figures 1-8 This invention relates to a welding device for processing automotive hardware parts, comprising a housing 13, a transmission pipe 14 connected through the top of the housing 13, a welding gun 15 connected through the end of the transmission pipe 14 away from the housing 13, and a handle 16 fixedly connected to the top of the housing 13, and further comprising:

[0062] Fixing mechanism 1 is fixedly connected to the side wall of the outer shell 13 and is used to drive the welding gun 15 to swing, thereby increasing the welding surface.

[0063] Pressure applying mechanism 2 is fixedly connected to both sides of housing 13 and is used to provide welding wire for fixing mechanism 1;

[0064] Pressure mechanism 3 is fixedly connected to the outer wall of fixing mechanism 1 and is used to restrict the slippage of welding wire;

[0065] Two rollers 121 are rotatably connected to both sides of the outer casing 13;

[0066] Before use, the welding wire is placed on the inner wall of the pressure applying mechanism 2, and then the handle 16 drives the outer shell 13 to slide along the outer wall of the weld seam, so that the welding gun 15 welds the weld seam.

[0067] Fixed mechanism 1 includes:

[0068] Drive assembly 11 is fixedly connected to the side wall of housing 13 via a support member;

[0069] The support includes a fixing plate 111 fixedly connected to the side wall of the outer casing 13, and a rotating rod 112 rotatably connected to the inner wall of the fixing plate 111.

[0070] Feeding assembly 12 is fixedly connected to the side wall of fixed plate 111 via a feeding component;

[0071] The feeding component includes a placement tube 127 that is connected through to the side wall of the fixed plate 111, a push rod 122 that is rotatably connected to the outer wall of the roller 121, a fixed frame 123 that is fixedly connected to the side wall of the fixed plate 111, and a sliding toothed rod 124 that is slidably connected to the outer wall of the fixed frame 123.

[0072] Before use, the plates are aligned, the operator holds the handle 16 and places the gap in the center of the equipment, then the welding wire is placed into the inner wall of the placement tube 127 and the power supply of the outer casing 13 is turned on.

[0073] Among them, the roller 121 drives the sliding toothed rod 124 to slide up and down along the outer wall of the fixed frame 123 via the push rod 122.

[0074] Pressure mechanism 2 includes:

[0075] Auxiliary component 21 is slidably connected to the outer wall of placement tube 127 via a slider;

[0076] The sliding element includes a sliding ring 211 that is slidably connected to the outer wall of the placement tube 127;

[0077] The snap-fit ​​assembly 22 is fixedly connected to the side wall of the sliding ring 211 by a pusher;

[0078] The pusher includes a pusher frame 221 fixedly connected to the side wall of the sliding ring 211, and the outer wall of the pusher frame 221 is slidably connected to the inner wall of the fixed plate 111;

[0079] Among them, the roller 121 slides along the outer wall of the placement tube 127 through the sliding ring 211 of the fixing mechanism 1, and drives the buckle assembly 22 to move synchronously.

[0080] Pressure mechanism 3 includes:

[0081] Pressure application component 31 is fixedly connected to the outer wall of placement tube 127 by a limiting member;

[0082] The limiting component includes a fixing block 311 fixedly connected to the outer wall of the placement tube 127, and a sliding rod 312 slidably connected to the inner wall of the fixing block 311.

[0083] Pressure assembly 32 is fixedly connected to the top of fixed block 311 via a drive component;

[0084] The driving component includes a fixing plate 321 that is fixedly connected to the top of the fixing block 311;

[0085] When the sliding ring 211 drives the buckling assembly 22 to slide through the push frame 221, the buckling assembly 22 drives the sliding rod 312 to slide up and down along the inner wall of the fixed block 311 through the pressure assembly 32.

[0086] Example 2, please refer to Figures 3-12 The present invention is a welding device for processing automotive hardware parts. Based on Example 1, the drive assembly 11 includes a gear 114 fixedly connected to the outer wall of the rotating rod 112, and a fixing frame 113 fixedly connected to the end of the rotating rod 112 away from the gear 114.

[0087] When welding is required, the operator moves the equipment along the outer wall of the gap. During this process, the two rollers 121 will rotate. The left roller 121 will drive the sliding gear 124 to slide up and down along the outer wall of the fixed frame 123 via the push rod 122. The sliding gear 124 will drive the gear 114 to rotate clockwise or counterclockwise. The gear 114 will drive the fixed frame 113 to rotate in the same direction via the rotating rod 112. Finally, the fixed frame 113 will drive the welding gun 15 to swing left and right. During this process, the welding gun 15 heats the welding wire inside the placement tube 127, causing the wire to melt. The molten metal covers the outer wall of the gap, and the left and right swinging welding gun 15 will drive the molten metal to move synchronously. Finally, a "fish scale pattern" is welded at the outer wall of the gap. Through the application of the above components, the welding difficulty of the "fish scale pattern" is effectively reduced and the welding efficiency is improved.

[0088] When the sliding rack 124 slides up and down, the gear 114 meshing with the sliding rack 124 will rotate accordingly. The up and down range of the sliding rack 124 is small, so the rotation angle of the gear 114 and the fixed frame 113 is small.

[0089] The feeding assembly 12 includes a push rod 125 rotatably connected to the outer wall of the roller 121. A pulling rod 126 is rotatably connected to the end of the push rod 125 away from the roller 121. The end of the pulling rod 126 away from the push rod 125 is fixedly connected to the outer wall of the sliding ring 211.

[0090] When the roller 121 rotates, it will force the push rod 125 and the pull rod 126 to drive the sliding ring 211 to slide up and down along the outer wall of the placement tube 127.

[0091] The auxiliary component 21 includes an arc-shaped plate 212 fixedly connected to the inner wall of the sliding ring 211. The outer wall of the arc-shaped plate 212 is slidably connected to the inner wall of the placement tube 127. A spring sheet 213 is fixedly connected to the inner wall of the arc-shaped plate 212.

[0092] Specifically, when the sliding ring 211 slides along the outer wall of the placement tube 127, and when the sliding ring 211 drives the spring plate 213 to slide upward, the end of the spring plate 213 will slide along the outer wall of the welding wire due to the influence of the tilt angle of the spring plate 213. When the sliding ring 211 drives the spring plate 213 to slide downward, the spring plate 213 will exert pressure on the welding wire due to the influence of the angle of the spring plate 213, forcing the welding wire to slide downward. Through the application of the above components, the stable supply of molten metal is ensured, so that the thickness of the "fish scale pattern" is uniform.

[0093] The snap-fit ​​assembly 22 includes a pressure ring 222 fixedly connected to the end of the push frame 221 away from the sliding ring 211, and an L-shaped toothed rod 223 fixedly connected to the outer wall of the pressure ring 222;

[0094] Among them, the sliding ring 211 drives the L-shaped toothed rod 223 to move synchronously through the push frame 221.

[0095] The pressure application component 31 includes a second toothed rod 313 fixedly connected to the outer wall of the sliding rod 312, a sliding toothed block 314 slidably connected to the inner wall of the second toothed rod 313, and a first spring 315 fixedly connected to the side wall of the sliding toothed block 314.

[0096] Utilizing the characteristic of the sliding ring 211 sliding up and down, the sliding ring 211 drives the L-shaped rack 223 to move synchronously through the push frame 221. The L-shaped rack 223 drives the gear 2 322 to rotate. The gear 2 322 drives the rack 2 313 to slide up and down through the gear 3 323. During this process, when the sliding rod 312 reaches the top or bottom, the gear 3 323 will rotate. The force of this rotation will be applied to the outer wall of the sliding block 314, causing the sliding block 314 to squeeze the spring 1 315. After the external pressure disappears, the spring 1 315 pushes the sliding block 314 back to its original position. Through the application of the above components, it is ensured that when the sliding ring 211 moves upward, the sliding rod 312 will slide downward and squeeze the welding wire, preventing the welding wire from falling down due to vibration.

[0097] Among them, when the pressure assembly 32 continues to rotate, the sliding tooth block 314 and the spring 315 can slide, effectively relieving the excess pressure of the pressure assembly 32 on the sliding rod 312.

[0098] The pressure assembly 32 includes a gear 322 rotatably connected to the side wall of the fixed plate 321, and a gear 323 is fixedly connected to the side wall of the gear 322.

[0099] When the sliding ring 211 slides downward, the sliding rod 312 moves away from the outer wall of the welding wire, so that the spring plate 213 can drive the welding wire to move downward along the inner wall of the sliding ring 211, avoiding the obstruction of the bottom sliding rod 312, which would cause the welding wire to deform and ultimately cause the width of the "fish scale pattern" to protrude or dent, affecting the aesthetics.

[0100] Among them, L-shaped rack 223 meshes with the side wall of gear 2 322, and gear 3 323 meshes with the outer wall of rack 2 313.

[0101] A specific application of this embodiment is as follows: Before using the present invention, after the plates are aligned, the worker holds the handle 16 and places the gap in the center of the equipment. Then, the welding wire is placed into the inner wall of the placement tube 127 and the power supply of the outer shell 13 is turned on.

[0102] When welding is required, the operator slides the equipment along the outer wall of the gap. During this process, the two rollers 121 will rotate. The left roller 121 will drive the sliding gear 124 to slide up and down along the outer wall of the fixed frame 123 via the push rod 122. The sliding gear 124 will drive the gear 114 to rotate clockwise or counterclockwise. The gear 114 will drive the fixed frame 113 to rotate in the same direction via the rotating rod 112. Finally, the fixed frame 113 will drive the welding gun 15 to swing left and right. During this process, the welding gun 15 heats the welding wire inside the placement tube 127, causing the wire to melt. The molten metal covers the outer wall of the gap, and the left and right swinging welding gun 15 will drive the molten metal to move synchronously. Finally, a "fish scale pattern" is formed at the welded area on the outer wall of the gap. Through the application of the above components, the welding difficulty of the "fish scale pattern" is effectively reduced and the welding efficiency is improved.

[0103] Taking advantage of the rotational characteristic of the roller 121, a feeding assembly 12 is installed inside the equipment. When the right roller 121 rotates, the roller 121 drives the pulling rod 126 and the sliding ring 211 to slide up and down along the outer wall of the placement tube 127 via the push rod 2 125. When the sliding ring 211 slides along the outer wall of the placement tube 127, and the sliding ring 211 drives the spring plate 213 to slide upward, the end of the spring plate 213 will slide along the outer wall of the welding wire due to the influence of the tilt angle of the spring plate 213. When the sliding ring 211 drives the spring plate 213 to slide downward, the spring plate 213 will exert pressure on the welding wire due to the influence of the angle of the spring plate 213, forcing the welding wire to slide downward. Through the application of the above-mentioned assembly, the stable supply of molten metal is ensured, so that the thickness of the "fish scale pattern" is uniform.

[0104] Utilizing the characteristic of the sliding ring 211 sliding up and down, the sliding ring 211 drives the L-shaped rack 223 to move synchronously via the push frame 221. The L-shaped rack 223 drives the gear 2 322 to rotate. The gear 2 322, through the gear 3 323, drives the rack 2 313 to slide up and down. During this process, when the sliding rod 312 reaches its top or bottom, the gear 3 323 will rotate. At this time, the force of rotation will be applied to the outer wall of the sliding tooth block 314, causing the sliding tooth block 314 to compress the spring 1 315. After the external pressure disappears... Spring 315 pushes sliding tooth block 314 to reset. Through the application of the above components, when sliding ring 211 moves upward, sliding rod 312 will slide downward and squeeze the welding wire to prevent the welding wire from falling downward due to vibration. When sliding ring 211 slides downward, sliding rod 312 moves away from the outer wall of welding wire, so that spring plate 213 can drive welding wire to move downward along the inner wall of sliding ring 211, avoiding obstruction by bottom sliding rod 312, which would cause welding wire to deform and ultimately cause the width of "fish scale pattern" to protrude or dent, affecting the appearance.

[0105] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A welding device for processing automotive hardware parts, comprising a housing (13), wherein a transmission pipe (14) is connected through the top of the housing (13), a welding gun (15) is connected through the end of the transmission pipe (14) away from the housing (13), and a handle (16) is fixedly connected to the top of the housing (13), characterized in that, Also includes: The fixing mechanism (1) is fixedly connected to the side wall of the outer shell (13) and is used to drive the welding gun (15) to swing and increase the welding surface. Pressure application mechanism (2), which is fixedly connected to both sides of the housing (13) and is used to provide welding wire for the fixing mechanism (1); Pressure mechanism (3), which is fixedly connected to the outer wall of the fixing mechanism (1) to restrict the sliding of the welding wire; Two rollers (121) are rotatably connected to both sides of the outer casing (13). Before use, the welding wire is placed on the inner wall of the pressure mechanism (2), and then the outer shell (13) is slid along the outer wall of the weld seam by the handle (16), so that the welding gun (15) welds the weld seam. The fixing mechanism (1) includes: A drive assembly (11) is fixedly connected to the side wall of the housing (13) by a support member; The support includes a fixing plate (111) fixedly connected to the side wall of the outer shell (13), and a rotating rod (112) is rotatably connected to the inner wall of the fixing plate (111). Feeding assembly (12), which is fixedly connected to the side wall of fixed plate (111) by a feeding component; The feeding component includes a placement tube (127) that is connected through to the side wall of the fixed plate (111), a push rod (122) that is rotatably connected to the outer wall of the roller (121), a fixed frame (123) that is fixedly connected to the side wall of the fixed plate (111), and a sliding toothed rod (124) that is slidably connected to the outer wall of the fixed frame (123). Among them, the roller (121) drives the sliding rack (124) to slide up and down along the outer wall of the fixed frame (123) through the push rod (122); The pressure application mechanism (2) includes: An auxiliary component (21) is slidably connected to the inner wall of the placement tube (127) via a sliding member; The sliding element includes a sliding ring (211) that is slidably connected to the outer wall of the placement tube (127); The snap-fit ​​assembly (22) is fixedly connected to the side wall of the sliding ring (211) by a pusher; The pusher includes a pusher frame (221) fixedly connected to the side wall of the sliding ring (211), and the outer wall of the pusher frame (221) is slidably connected to the inner wall of the fixing plate (111); The drive assembly (11) includes a gear (114) fixedly connected to the outer wall of the rotating rod (112), and a fixing frame (113) is fixedly connected to one end of the rotating rod (112) away from the gear (114). When the sliding rack (124) slides up and down, the gear one (114) meshing with the sliding rack (124) will generate a corresponding rotation, and the up and down amplitude of the sliding rack (124) is small, so that the rotation angle of the gear one (114) and the fixed frame one (113) is small. The feeding assembly (12) includes a push rod two (125) rotatably connected to the outer wall of the roller (121). A pulling rod (126) is rotatably connected to one end of the push rod two (125) away from the roller (121). The end of the pulling rod (126) away from the push rod two (125) is fixedly connected to the outer wall of the sliding ring (211). When the roller (121) rotates, it will force the push rod (125) and the pull rod (126) to drive the sliding ring (211) to slide up and down along the outer wall of the placement tube (127).

2. The welding device for processing automotive hardware parts according to claim 1, characterized in that: The pressure mechanism (3) includes: A pressure application assembly (31) is fixedly connected to the outer wall of the placement tube (127) by a limiting member; The limiting element includes a fixing block (311) fixedly connected to the outer wall of the placement tube (127), and a sliding rod (312) slidably connected to the inner wall of the fixing block (311). Pressure assembly (32), which is fixedly connected to the top of the fixed block (311) by a drive member; The driving component includes a second fixing plate (321) fixedly connected to the top of the fixing block (311). When the sliding ring (211) drives the buckle assembly (22) to slide through the push frame (221), the buckle assembly (22) drives the sliding rod (312) to slide up and down along the inner wall of the fixed block (311) through the pressure assembly (32).

3. The welding device for processing automotive hardware parts according to claim 2, characterized in that: The auxiliary component (21) includes an arc-shaped plate (212) fixedly connected to the inner wall of the sliding ring (211). The outer wall of the arc-shaped plate (212) is slidably connected to the inner wall of the placement tube (127). A spring sheet (213) is fixedly connected to the inner wall of the arc-shaped plate (212). When the sliding ring (211) slides along the outer wall of the placement tube (127), when the sliding ring (211) drives the spring plate (213) to slide upward, due to the influence of the tilt angle of the spring plate (213), the end of the spring plate (213) will slide along the outer wall of the welding wire. When the sliding ring (211) drives the spring plate (213) to slide downward, due to the influence of the angle of the spring plate (213), the spring plate (213) will exert pressure on the welding wire, forcing the welding wire to slide downward.

4. The welding device for processing automotive hardware parts according to claim 3, characterized in that: The buckle assembly (22) includes a pressure ring (222) fixedly connected to one end of the push frame (221) away from the sliding ring (211), and an L-shaped toothed rod (223) is fixedly connected to the outer wall of the pressure ring (222). Among them, the sliding ring (211) drives the L-shaped toothed rod (223) to move synchronously through the push frame (221).

5. The welding device for processing automotive hardware parts according to claim 4, characterized in that: The pressure application component (31) includes a toothed rod two (313) fixedly connected to the outer wall of the sliding rod (312), a sliding toothed block (314) slidably connected to the inner wall of the toothed rod two (313), and a spring one (315) fixedly connected to the side wall of the sliding toothed block (314). When the pressure assembly (32) continues to rotate, the sliding tooth block (314) and the spring (315) can slide, effectively relieving the excess pressure of the pressure assembly (32) on the sliding rod (312).

6. The welding device for processing automotive hardware parts according to claim 5, characterized in that: The pressure assembly (32) includes a gear two (322) rotatably connected to the side wall of the fixed plate two (321), and a gear three (323) is fixedly connected to the side wall of the gear two (322). Among them, the L-shaped rack (223) meshes with the side wall of gear two (322), and the gear three (323) meshes with the outer wall of rack two (313).

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