Welding equipment for hardware machining and welding method thereof

By introducing a translation drive part and a welding inlet part in the welding equipment for hardware processing, combining telescopic components and arc-grain plates, the problem of relying on manual experience in welding operations is solved, and the stability of the welding gun and the arcing of the welding rod is realized, improving the automation of welding torch and welding rods. Welding quality.

CN119115155APending Publication Date: 2024-12-13HANGZHOU CHENGYI HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202411452152.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2024-12-13

AI Technical Summary

Technical Problem

In the prior art, hardware welding operations require a large degree of dependence on workers' labor experience, which makes it difficult to ensure the stability of the welding gun and affects the welding quality.

Method used

A welding equipment for hardware processing is designed, including a translation drive part and a welding tool feed part. The welding gun is driven horizontally through a servo motor, and the welding tool feeding is automatically fed through the welding tool feeding part, combining the telescopic components and the arc-scrubbing plate to ensure the stability of the welding gun. and welding rod arcing to reduce manual interference.

Benefits of technology

The welding quality is improved and the work experience is reduced. The welding torch remains stable during the welding process, the welding inlet process is stable, and the welding rod can effectively start arcing, reducing welding defects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses welding equipment for hardware machining and a welding method of the welding equipment, and particularly relates to the technical field of welding. A welding gun mounting part is arranged at the top of the moving seat, a welding gun is detachably connected to the welding gun mounting part, and a translation driving part used for driving the moving seat to do horizontal linear motion is arranged at the top of the moving seat; and the positioning and clamping part is connected to one side of the top of the base, and a welding cutter feeding part is arranged on the welding gun mounting part and used for driving the welding gun mounting part to gradually move towards the positioning and clamping part when the movable seat horizontally moves. By arranging the translation driving part and the welding cutter feeding part, during welding, the translation driving part drives the welding gun to do horizontal linear motion, so that the welding gun conducts linear welding on the welding position of the hardware, the welding cutter feeding part drives the welding gun to move in the direction of the hardware while the welding gun does horizontal motion, and the welding gun can conduct automatic cutter feeding in the welding process; and the dependence on the working experience of workers is reduced.
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Description

Technical Field

[0001] The present invention relates to the field of welding technology, and more specifically, to welding equipment and a welding method for hardware processing. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. There are many sources of energy for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasound. In addition to being used in factories, welding can also be performed in a variety of environments, such as outdoors, underwater and in space. No matter where it is, welding may be dangerous to the operator, so appropriate protective measures must be taken when welding. Possible injuries to the human body caused by welding include burns, electric shock, visual impairment, inhalation of toxic gases, excessive ultraviolet radiation, etc.

[0003] During the welding process of hardware, after the hardware is positioned and clamped, the worker holds the welding gun to weld the welding points of the hardware. Since the wall thickness of the hardware is usually small, the worker needs to keep the welding gun stable during the welding process to prevent the welding gun from shaking, which will cause the welding rod to deviate from the welding point, causing the welding rod to contact the non-welding surface of the hardware, thereby causing the surface to be burned, affecting the surface quality of the hardware. Therefore, the hardware welding operation in the prior art needs to rely to a large extent on the workers' work experience, resulting in high labor costs.

[0004] Therefore, in order to solve the above problems, a welding device and a welding method for hardware processing are now proposed. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a welding device for hardware processing and a welding method thereof. The technical problem to be solved by the present invention is: in the prior art, when workers weld hardware, they need to keep the welding gun stable and not shake, so that the welding operation needs to rely to a large extent on the workers' work experience.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A welding device for hardware processing, comprising:

[0008] Base;

[0009] A moving seat horizontally slidably connected to the top of the base, a welding gun mounting portion is provided on the top of the moving seat, a welding gun is detachably connected to the welding gun mounting portion, and a translation driving portion for driving the moving seat to move horizontally and linearly is provided on the top of the moving seat;

[0010] A positioning clamping part is connected to one side of the top of the base, and a welding feed part is provided on the welding gun mounting part. The welding feed part is used to drive the welding gun mounting part to gradually move toward the positioning clamping part when the movable seat moves horizontally.

[0011] Furthermore, the translation drive unit includes bearing mounting seats connected to both sides of the base, and the outer walls of the two bearing mounting seats are connected to a ball screw for horizontal rotation. A servo motor is installed on the outer wall of one of the bearing mounting seats, and the output shaft of the servo motor is connected to the ball screw drive. A nut sleeve is horizontally embedded on the movable seat, and the nut sleeve is threadedly sleeved on the periphery of the ball screw.

[0012] Furthermore, a convex block is fixedly connected to the bottom of the movable seat, a guide rod is horizontally fixedly connected to the two bearing mounting seats, and a guide hole is opened on the surface of the convex block for the guide rod to pass freely.

[0013] Furthermore, the positioning clamping part includes a fixing seat connected to the top surface of the base, a positioning plate is connected to the top of the fixing seat, a cylinder is vertically installed on one side of the base, a cylinder rod of the cylinder is fixedly connected to a mounting arm, and a clamping block is fixedly connected to the end of the mounting arm.

[0014] Furthermore, the welding gun mounting portion includes an ear block fixedly connected to the top of the movable seat, a sliding rod is passed through the side wall of the ear block, the sliding rod slides freely horizontally on the ear block, and a clamping sleeve is fixedly connected to one end of the sliding rod away from the ear block, and the welding gun is clamped and installed in the clamping sleeve.

[0015] Furthermore, the welding feed portion includes a lever vertically fixed to the end of the sliding rod, the top surface of the base is connected to a strip plate, the upper surface of the strip plate is provided with an inclined groove, the lower end of the lever is inserted into the inclined groove and slides freely.

[0016] Furthermore, a welding rod arc wiping portion is provided on the base, and the welding rod arc wiping portion includes a conductive column connected to the top surface of the base, the upper end of the conductive column is fixedly connected to a mounting seat, a conductive block is horizontally slidably connected to the mounting seat, a connecting arm is fixedly connected to the outer wall of the conductive block, an arc wiping plate is fixedly connected to the end of the connecting arm away from the conductive block, and a toggle unit is provided on the toggle rod, and the toggle unit is used to drive the connecting arm to reciprocate horizontally when the toggle rod slides in the inclined groove.

[0017] Furthermore, the toggle unit includes a rotating wheel coaxially rotatably mounted on the conductive column, a gear is coaxially fixed to the lower end surface of the rotating wheel, a telescopic component is provided on the toggle rod, a rack is provided on the end of the telescopic component away from the toggle rod, the rack is meshed with the gear, the connecting arm is fixedly connected to a rotating toggle rod extending downward, a toggle groove used in conjunction with the rotating toggle rod is provided on the periphery of the rotating wheel, a sliding cavity is provided on the side wall of the mounting seat, the conductive block is engaged in the sliding cavity and slides freely, a fixed rod is fixedly connected to the inner side wall of the sliding cavity, the conductive block is provided with a sliding hole for the fixed rod to pass freely, a first spring is respectively wrapped around both ends of the fixed rod, and the two ends in the direction of the elastic force of the first spring elastically press against the conductive block and the inner side wall of the sliding cavity respectively.

[0018] Furthermore, the telescopic assembly includes a telescopic rod horizontally fixed to the outer wall of the rack, a telescopic cylinder is fixedly sleeved on the shift rod, the telescopic cylinder is provided with a telescopic hole for the telescopic rod to be inserted into, an end of the telescopic rod away from the rack is fixedly connected to a limit pin, the outer wall of the telescopic cylinder is provided with a waist-shaped hole for the limit pin to pass freely, a second spring is installed in the telescopic hole, and the two ends of the second spring in the direction of elastic force elastically press against the end of the telescopic rod and the inner wall of the telescopic hole respectively.

[0019] A welding method of welding equipment for hardware processing, comprising:

[0020] The two plates of the hardware to be welded are clamped and positioned on the positioning and clamping part, and the positioning and clamping part clamps the two plates;

[0021] The translation drive unit drives the welding gun mounting unit to move horizontally, so that the welding gun and the welding rod on the welding gun move, and the welding feed unit drives the welding gun to gradually move toward the welding point of the two plates;

[0022] When the welding rod on the welding gun contacts the welding point of the two plates, the welding point will be welded, and during welding, along with the horizontal movement of the welding gun mounting part, the welding feed part will continue to feed the welding gun.

[0023] Technical effects and advantages of the present invention:

[0024] 1. By setting a translation drive unit and a welding feed unit, during welding, the translation drive unit drives the welding gun to move horizontally and linearly, so that the welding gun performs linear welding on the welding part of the hardware, and the welding feed unit drives the welding gun to move toward the hardware when the welding gun moves horizontally, so that the welding gun can automatically feed during the welding process. Compared with manual welding, the welding gun is in a relatively stable state during the welding process, and the welding gun's feed process is relatively stable, so that the welding quality of the welding part is better, and the dependence on the worker's work experience is reduced;

[0025] 2. By setting the arc wiping plate and the toggle unit, in the early stage of horizontal movement of the welding gun, the welding rod on the welding gun will contact the arc wiping plate, and the toggle unit drives the arc wiping plate to move horizontally, so that the welding rod can scratch the arc on the arc wiping plate to start the arc, so that when the welding rod contacts the welding part of the hardware, the arc will not be unable to start, so that the welding rod can perform welding work better;

[0026] 3. By setting up the telescopic assembly, when the welding gun moves toward the fixed seat, the rack will continue to mesh with the gear, thereby not interfering with the movement of the welding gun toward the fixed seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a welding device for hardware processing in the present invention;

[0028] Figure 2 for Figure 1 Schematic diagram of the structure at an upward viewing angle;

[0029] Figure 3 for Figure 1 A schematic diagram of the structure from a top-down angle;

[0030] Figure 4 for Figure 1 A schematic diagram of the structure from a front view angle;

[0031] Figure 5 for Figure 1 The schematic diagram of the structure after the base, cylinder and fixed seat are omitted;

[0032] Figure 6 for Figure 5 A magnified schematic diagram of the local structure at point A;

[0033] Figure 7 for Figure 5 Schematic diagram of the structure from a top-down angle;

[0034] Figure 8 for Figure 7 An enlarged schematic diagram of the local structure at point B.

[0035] The accompanying drawings are marked as follows: 1. base; 2. ball screw; 3. guide rod; 4. moving seat; 5. ear block; 6. servo motor; 7. lever; 8. telescopic cylinder; 9. conductive column; 10. rack; 11. mounting seat; 12. fixed seat; 13. cylinder; 14. positioning plate; 15. mounting arm; 16. clamping block; 17. clamping sleeve; 18. welding gun; 19. inclined groove; 20. strip plate; 21. gear; 22. arc wiping plate; 23. bushing; 24. sliding rod; 25. rotating wheel; 26. nut sleeve; 27. arc plate; 28. first spring; 29. ​​fixed rod; 30. conductive block; 31. sliding cavity; 32. second spring; 33. waist-shaped hole; 34. limit pin; 35. telescopic rod; 36. toggle groove; 37. connecting arm; 38. rotating lever. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] like Figure 1-Figure 8 As shown, the present embodiment discloses: a welding device for hardware processing, comprising a base 1, bearing mounting seats are connected to the two opposite sides of the base 1, and a ball screw 2 is horizontally rotatably connected to the bearing mounting seat, a servo motor 6 is installed on the outer wall of one of the bearing mounting seats, the output shaft of the servo motor 6 is drivingly connected to the ball screw 2, a nut sleeve 26 is threadedly sleeved on the ball screw 2, the nut sleeve 26 and the ball screw 2 form a rolling spiral transmission connection, a moving seat 4 is fixedly sleeved on the nut sleeve 26, a convex block is fixedly connected to the bottom of the moving seat 4, a guide rod 3 is horizontally fixedly connected to the two bearing mounting seats, a guide hole for the guide rod 3 to pass freely is opened on the surface of the convex block, and the guide rod 3 slides in the guide hole, so that the moving seat 4 will not swing when it moves;

[0038] A fixing seat 12 is fixedly connected to the top surface of the base 1, and a positioning plate 14 is connected to the top of the fixing seat 12. A positioning groove is provided on the top surface of the positioning plate 14. A cylinder 13 is vertically installed on one side of the base 1. A mounting arm 15 is fixedly connected to the cylinder rod of the cylinder 13. A clamping block 16 is fixedly connected to the end of the mounting arm 15. The clamping block 16 is located above the positioning groove, and a clamping opening is provided on the downward side of the clamping block 16. One plate body of the hardware is clamped and placed in the positioning groove, and another plate body of the hardware is vertically placed on one side of the top of the aforementioned plate body, so that the two plates of the hardware are in a vertical state, and the welding points of the two hardware parts face the movable seat 4;

[0039] The top of the movable seat 4 is fixedly connected with an ear block 5, and a sliding rod 24 is penetrated through the side wall of the ear block 5. The sliding rod 24 slides freely horizontally on the ear block 5. The end of the sliding rod 24 away from the ear block 5 is fixedly connected with a clamping sleeve 17, and the welding gun 18 used for welding is clamped and installed in the clamping sleeve 17. The welding gun 18 is clamped by the clamping sleeve 17 so that the welding gun 18 can be installed on the clamping sleeve 17 more stably. The end of the welding gun 18 is installed with a welding rod, and the center line of the welding rod is on the same plane as the welding of the hardware. The end of the sliding rod 24 is vertically fixed with a lever 7, and the top surface of the base 1 is connected with a strip plate 2 0, an inclined groove 19 is provided on the upper surface of the strip plate 20, the lower end of the lever 7 is inserted into the inclined groove 19 and slides freely, the length direction of the inclined groove 19 forms an angle with the axial direction of the ball screw 2, and the movable seat 4 moves horizontally, so that the lever 7 can be driven to slide in the inclined groove 19 and move along the length direction of the inclined groove 19, so that the welding gun 18 moves toward the direction of the hardware, and the movable seat 4 moves along the axial direction of the ball screw 2. In addition, a bushing 23 is embedded on the ear block 5, and the sliding rod 24 is inserted into the bushing 23 and slides freely, which reduces the friction and wear of the sliding rod 24 on the ear block 5 when sliding;

[0040] A conductive column 9 is connected to the top surface of the base 1, and a mounting seat 11 is fixedly connected to the upper end of the conductive column 9. A conductive block 30 is horizontally slidably connected to the mounting seat 11. A connecting arm 37 is fixedly connected to the outer wall of the conductive block 30. An arc wiping plate 22 is fixedly connected to the end of the connecting arm 37 away from the conductive block 30. The arc wiping plate 22 is also made of metal. A rotating wheel 25 is coaxially rotatably mounted on the conductive column 9. A gear 21 is coaxially fixedly connected to the lower end surface of the rotating wheel 25. A telescopic cylinder 8 is fixedly sleeved on the lever 7. A telescopic rod 35 is connected to the telescopic cylinder 8. Specifically, the telescopic cylinder 8 is provided with a telescopic hole for the telescopic rod 35 to be inserted. A rack 10 is horizontally fixedly connected to one end of the telescopic rod 35 that passes through the telescopic cylinder 8. The rack 10 is meshed with the gear 21. A rotating lever 38 extending downward is fixedly connected to the connecting arm 37. A toggle groove 36 used in conjunction with the rotating lever 38 is provided on the periphery of the rotating wheel 25. A side wall of the mounting seat 11 is provided with a The sliding cavity 31, the conductive block 30 is engaged with the sliding cavity 31 and slides freely, the inner side wall of the sliding cavity 31 is fixedly connected with a fixed rod 29, and the conductive block 30 is provided with a sliding hole for the fixed rod 29 to pass freely. The two ends of the fixed rod 29 are respectively wrapped with a first spring 28, and the two ends of the first spring 28 in the elastic force direction elastically press against the conductive block 30 and the inner side wall of the sliding cavity 31 respectively. In addition, the end of the telescopic rod 35 away from the rack 10 is fixedly connected with a limit pin 34, and the outer wall of the telescopic tube 8 is provided with a waist-shaped hole 33 for the limit pin 34 to pass freely. A second spring 32 is installed in the telescopic hole, and the two ends of the second spring 32 in the elastic force direction elastically press against the end of the telescopic rod 35 and the inner wall of the telescopic hole respectively. The second spring 32 generates an elastic pressing force on the end of the telescopic rod 35, so that the telescopic rod 35 moves toward the outer side of the telescopic tube 8 in a natural state, thereby making the gear 21 and the rack 10 in a meshing state.

[0041] Working principle of the present invention:

[0042] Clamping hardware: Place one plate of the hardware in the positioning groove, and then place another plate of the hardware vertically on one side of the top of the plate, so that the two plates of the hardware are in a vertical state, and the welding points of the two hardware are facing the movable seat 4. In addition, the end of the lower plate can be arranged to be located outside the positioning plate 14, and a support block is welded on the side wall of the positioning plate 14, and the top of the support block supports the plate;

[0043] Arc wiping of welding rod: The power supply of welding gun 18 is turned on, and the current of welding gun 18 is transmitted to the welding rod, and the servo motor 6 is started. The output shaft of servo motor 6 drives ball screw 2 to rotate. The rotation of ball screw 2 will drive nut sleeve 26 to move horizontally, so that guide rod 3 slides in the guide hole, and at the same time, the moving seat 4 moves along the straight line. At the same time, the welding rod on welding gun 18 will approach arc wiping plate 22 until it contacts arc wiping plate 22, and at this time, the second spring 32 generates elastic resisting force on the end of telescopic rod 35, so that rack 10 is meshed with gear 21. As moving seat 4 continues to move, rack 10 is meshed and rotated with gear 21, and gear 21 will rotate. When gear 21 rotates, the toggle slot 36 on rotating wheel 25 contacts with rotating lever 38, and drives rotating lever 38 to produce horizontal movement, so that rotating lever 3 8 drives the conductive block 30 to move horizontally. When the conductive block 30 moves horizontally, it will squeeze the first spring 28 at the front end of the moving direction, so that the first spring 28 accumulates elastic potential energy. When the rotating lever 38 is out of contact with the inner wall of the toggle slot 36, the elastic potential energy accumulated by the first spring 28 is released and drives the conductive block 30 to move in the opposite direction until the rotating lever 38 is again engaged in the next toggle slot 36. Then, with the continuous movement of the moving seat 4, the arc wiping plate 22 will repeatedly move horizontally, so that the welding rod contacts the arc wiping plate 22 to achieve arc wiping by the welding rod until the rack 10 is out of meshing with the gear 21. At this time, the welding rod is in a normal arc wiping state. In addition, the arc wiping plate 22 is fixedly connected to the arc plates 27 at both ends of the arc wiping plate 22, so that when the welding rod contacts the edge of the arc wiping plate 22, it will not cause the welding rod to break.

[0044] Welding operation: With the continuous horizontal movement of the movable seat 4, the welding rod will move toward the welding point of the hardware until the welding rod touches the welding point and starts welding the welding point. During the welding operation, since the movable seat 4 continues to move horizontally, the lever 7 slides in the inclined groove 19, so that the welding rod moves toward the direction of the hardware while moving horizontally, so that the welding rod can be automatically fed without the need for operation by the staff.

[0045] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0046] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0047] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for hardware processing, characterized in that: include: Base (1); A movable seat (4) is horizontally slidably connected to the top of the base (1), a welding gun mounting portion is provided on the top of the movable seat (4), a welding gun (18) is detachably connected to the welding gun mounting portion, and a translation driving portion for driving the movable seat (4) to move horizontally and linearly is provided on the top of the movable seat (4); A positioning clamping portion is connected to one side of the top of the base (1), and a welding feed portion is provided on the welding gun mounting portion. The welding feed portion is used to drive the welding gun mounting portion to gradually move in the direction of the positioning clamping portion when the movable seat (4) moves horizontally.

2. The welding equipment for hardware processing according to claim 1, characterized in that: The translation drive unit comprises bearing mounting seats connected to both sides of the base (1); the outer walls of the two bearing mounting seats are connected to a ball screw (2) for horizontal rotation; a servo motor (6) is installed on the outer wall of one of the bearing mounting seats; the output shaft of the servo motor (6) is connected to the ball screw (2) for driving; a nut sleeve (26) is horizontally embedded on the movable seat (4); the nut sleeve (26) is threadedly sleeved on the periphery of the ball screw (2).

3. The welding equipment for hardware processing according to claim 2, characterized in that: A convex block is fixedly connected to the bottom of the movable seat (4), a guide rod (3) is horizontally fixedly connected to the two bearing mounting seats, and a guide hole is provided on the surface of the convex block for the guide rod (3) to pass freely.

4. The welding equipment for hardware processing according to claim 1, characterized in that: The positioning clamping part comprises a fixing seat (12) connected to the top surface of the base (1), a positioning plate (14) is connected to the top of the fixing seat (12), a cylinder (13) is vertically mounted on one side of the base (1), a cylinder rod of the cylinder (13) is fixedly connected to a mounting arm (15), and a clamping block (16) is fixedly connected to the end of the mounting arm (15).

5. The welding equipment for hardware processing according to claim 1, characterized in that: The welding gun mounting portion comprises an ear block (5) fixedly connected to the top of the movable seat (4); a sliding rod (24) is passed through the side wall of the ear block (5); the sliding rod (24) slides freely horizontally on the ear block (5); one end of the sliding rod (24) away from the ear block (5) is fixedly connected to a clamping sleeve (17); the welding gun (18) is clamped and installed in the clamping sleeve (17).

6. The welding equipment for hardware processing according to claim 5, characterized in that: The welding feed portion comprises a lever (7) vertically fixed to the end of the sliding rod (24); the top surface of the base (1) is connected to a strip plate (20); an oblique groove (19) is provided on the upper surface of the strip plate (20); the lower end of the lever (7) is inserted into the oblique groove (19) and slides freely.

7. The welding equipment for hardware processing according to claim 6, characterized in that: The base (1) is provided with a welding rod arc wiping portion, the welding rod arc wiping portion comprises a conductive column (9) connected to the top surface of the base (1), the upper end of the conductive column (9) is fixedly connected to a mounting seat (11), a conductive block (30) is horizontally slidably connected to the mounting seat (11), a connecting arm (37) is fixedly connected to the outer wall of the conductive block (30), an end of the connecting arm (37) away from the conductive block (30) is fixedly connected to an arc wiping plate (22), and a toggle unit is provided on the toggle rod (7), the toggle unit is used to drive the connecting arm (37) to reciprocate horizontally when the toggle rod (7) slides in the inclined groove (19).

8. The welding equipment for hardware processing according to claim 7, characterized in that: The toggle unit comprises a rotating wheel (25) coaxially rotatably mounted on the conductive column (9); a gear (21) is coaxially fixedly connected to the lower end surface of the rotating wheel (25); a telescopic assembly is provided on the toggle lever (7); a rack (10) is provided at one end of the telescopic assembly away from the toggle lever (7); the rack (10) is meshed with the gear (21); a rotating toggle lever (38) extending downward is fixedly connected to the connecting arm (37); a toggle lever (25) for use in conjunction with the rotating toggle lever (38) is provided on the periphery of the rotating wheel (25); A groove (36) is formed on the side wall of the mounting seat (11), a sliding cavity (31) is formed on the side wall of the mounting seat (11), the conductive block (30) is engaged with the sliding cavity (31) and is free to slide, a fixing rod (29) is fixedly connected to the inner wall of the sliding cavity (31), the conductive block (30) is formed with a sliding hole for the fixing rod (29) to pass freely, a first spring (28) is respectively wrapped around the two ends of the fixing rod (29), and the two ends of the first spring (28) in the direction of elastic force elastically press against the conductive block (30) and the inner wall of the sliding cavity (31) respectively.

9. The welding equipment for hardware processing according to claim 8, characterized in that: The telescopic assembly comprises a telescopic rod (35) horizontally fixed to the outer wall of the rack (10); a telescopic tube (8) is fixedly sleeved on the lever (7); the telescopic tube (8) is provided with a telescopic hole for the telescopic rod (35) to be inserted; one end of the telescopic rod (35) away from the rack (10) is fixedly connected to a limit pin (34); the outer wall of the telescopic tube (8) is provided with a waist-shaped hole (33) for the limit pin (34) to pass freely; a second spring (32) is installed in the telescopic hole; the two ends of the second spring (32) in the direction of elastic force elastically press against the end of the telescopic rod (35) and the inner wall of the telescopic hole respectively.

10. A welding method for welding equipment for hardware processing, characterized in that: include: The two plates of the hardware to be welded are clamped and positioned on the positioning and clamping parts, and the positioning and clamping parts clamp the two plates; The translation drive unit drives the welding gun mounting unit to move horizontally, so that the welding gun (18) and the welding rod on the welding gun (18) move, and the welding feed unit drives the welding gun (18) to gradually move toward the welding point of the two plates; When the welding rod on the welding gun (18) contacts the welding point of the two plates, the welding point will be welded, and during welding, as the welding gun mounting part moves horizontally, the welding feed part will continue to feed the welding gun (18).

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