Auxiliary welding clamp for forming machining of metal frame

Abstract

The invention discloses an auxiliary welding clamp for metal frame forming machining, which comprises a mounting table mounted on a welding machine, a workbench for placing a metal frame is arranged on the mounting table, a lifting rod is connected to the interior of the workbench through a driving assembly, a sleeve is arranged on the lifting rod, a sliding part is arranged in the sleeve, and the sliding part is connected with the workbench through the driving assembly. The sliding piece is slidably connected into the sliding groove, the sliding groove is formed in the outer side of the rotating column in a threaded mode, the rotating column is connected into the sleeve in a penetrating mode, and a rotating plate used for limiting is installed at the side end of the rotating column. According to the welding auxiliary clamp for metal frame forming machining, a threaded sliding groove enables a rotating column to rotate in a sleeve, a rotating plate can conveniently limit a metal frame, it is ensured that the metal frame cannot move in the welding process, overall limiting is rapid and convenient, the welding fixing time is shortened, the overall structure is simple, installation and maintenance are convenient, and the practicability is high. And the overall welding stability is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field related to metal frame forming processing, and in particular to a welding auxiliary clamp for metal frame forming processing. Background Art

[0002] During the metal frame forming process, welding auxiliary clamps are important tools to ensure welding quality, improve welding efficiency, and ensure the accuracy and stability of the frame structure. However, the existing welding auxiliary clamps for metal frame forming still have certain defects when used. When welding the metal frame, manual cooperation is required to support it for welding, which not only reduces the material processing efficiency, but also reduces the overall safety.

[0003] In order to overcome the above-mentioned defects, the prior art 1 (the announcement number is CN216177881U, and the announcement date is 2022-04-05 Chinese patent) is a welding auxiliary clamp for a metal frame, comprising a horizontally arranged support plate, a column arranged on the support plate, a first rotating rod and a second rotating rod respectively hinged on the columns in a cross shape on the sides, and positioning structures are respectively arranged at both ends of the first rotating rod and the second rotating rod, the positioning structure comprises a horizontally arranged movable plate, a limiting column arranged under the movable plate, a fixed column vertically passing through the movable plate and connected to the center of the limiting column, a first baffle rod and a second baffle rod respectively hinged on the fixed column at one end, and the other ends of the first baffle rod and the second baffle rod are respectively connected to a reset buffer component 1 and a reset buffer component 2. The welding auxiliary clamp for the metal frame can improve the welding efficiency and accuracy of the metal frame, can be well applied to the processing of various structural materials at the engineering construction site, is simple to manufacture, easy to operate, safe and reliable, and there is also the prior art 2 (the announcement number is CN221338202U, a Chinese patent with the announcement date of 2024-07-16) A fixing fixture for processing metal parts, relates to the technical field of fixing fixtures, and is used to solve the problem that the existing fixing fixtures are used in the process of use. The moving mechanism is set so that the clamped parts can move relative to each other to assist in processing, but most of the metal parts are irregular in shape, and a single clamping mechanism will lead to poor clamping stability. It includes a clamping platform, and four support rods are arranged at the bottom of the clamping platform. The support rods and the clamping platform are an integrated structure. A connecting plate and a bearing frame are arranged between the four support rods, and the bearing frame and the connecting plate are welded to the support rods; it also includes: a through-connecting square groove, which is arranged at the inner center position of the clamping platform, and a movable table plate is arranged inside the through-connecting square groove, a first threaded through hole is arranged at the inner center position of the connecting plate, a threaded push rod is arranged inside the first threaded through hole, and a top head is arranged at the upper end of the threaded push rod, and the top head and the threaded push rod are an integrated structure.

[0004] Although the existing technology can improve the overall welding efficiency, during the working process, multiple rotating rods and reset buffer assemblies are set for clamping or multiple support rods and load-bearing frames are used for clamping. The overall mechanical structure is relatively complex, which increases the difficulty of overall assembly and maintenance, increases the failure rate and maintenance cost of the equipment, and the overall adjustment range is limited. The use of threaded adjustment makes the overall accuracy and clamping speed slower, which increases the operation time of the overall limit.

[0005] In view of the above problems, it is urgently necessary to carry out innovative design based on the original welding auxiliary fixture for metal frame forming processing. Therefore, we proposed a welding auxiliary fixture for metal frame forming processing that can well solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a welding auxiliary clamp for metal frame forming processing, so as to solve the problem proposed in the above background technology that multiple rotating rods and reset buffer assemblies are currently set up in the market for clamping or multiple bracket rods and supporting frames are used for clamping. The overall mechanical structure is relatively complex, which increases the difficulty of overall assembly and maintenance, increases the failure rate and maintenance cost of the equipment, and the overall adjustment range is limited. The use of threaded adjustment makes the overall accuracy and clamping speed slow, which increases the operation time of the overall limit.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding auxiliary clamp for metal frame forming processing, comprising a mounting table installed on a welding machine, a workbench for placing the metal frame is arranged on the mounting table, a lifting rod is connected to the inside of the workbench through a driving assembly, a sleeve is arranged on the lifting rod, a sliding member is arranged inside the sleeve, the sliding member is slidably connected to the inside of a slide groove, the slide groove is threadedly opened on the outside of a rotating column, the rotating column is connected through the inside of the sleeve, a rotating plate for limiting is installed on the side end of the rotating column, and a pressure plate for limiting is connected to the lower surface of the rotating plate through a damping spring.

[0008] Preferably, the driving assembly comprises a first telescopic cylinder installed inside the workbench, an output end of the first telescopic cylinder is connected to a support plate, and a lifting block is installed at a side end of the support plate.

[0009] Preferably, a first guide rod is connected through the inside of the lifting block, a support seat is provided inside the workbench, a storage groove is opened inside the support seat, the first guide rod is arranged inside the storage groove, a rotating column is rotatably connected to the support seat, and the lifting rod passes through the support seat and is connected to the bottom of the sleeve.

[0010] Preferably, an ejection assembly is provided on the support plate, and the ejection assembly includes a support column installed on the support plate, and a lifting plate is installed on the support column, which passes through the workbench and can move up and down inside it, and an electromagnetic plate for adsorbing the metal frame is installed on the surface of the lifting plate.

[0011] Preferably, an auxiliary component is provided on the mounting platform, and the auxiliary component comprises a second telescopic cylinder mounted on the mounting platform, and an output end of the second telescopic cylinder is connected to a movable plate.

[0012] Preferably, a second guide rod is connected through the bottom of the movable plate, a conveying groove is provided on the mounting platform, and the second guide rod is located inside the conveying groove.

[0013] Preferably, an operator is provided at the side end of the movable plate, and a flip assembly is provided on the movable plate. The flip assembly includes a motor installed on the movable plate, and the output end of the motor is connected to an adsorption member via a rotating shaft, and an electromagnetic block for adsorbing a metal frame is installed on the surface of the adsorption member, and the outer side of the rotating shaft is electrically connected to the electromagnetic block via an energized slip ring.

[0014] Preferably, a contact piece is provided on the outside of the support column, and a contact ring is provided on the outside of the contact piece. When the contact piece contacts the contact ring, the electromagnetic plate generates magnetic force. The contact ring is provided on the inside of the auxiliary tube. The auxiliary tube is installed on the side end of the support seat. The auxiliary tube is located on the outside of the support column.

[0015] Preferably, an airbag is provided on the top of the workbench, and an output end of the airbag is connected to a nozzle via a hose. The hose passes through the workbench and is connected to the inside of the rotating plate. The nozzle is installed at the bottom of the rotating plate, and the airbag is squeezed by the movement of the support plate to produce an airflow effect.

[0016] Compared with the prior art, the invention has the following beneficial effects: the welding auxiliary fixture for metal frame forming processing, the threaded slide groove enables the rotating column to rotate in the sleeve, which is convenient for the rotating plate to limit the metal frame, ensuring that the metal frame will not be displaced during the welding process, the overall limiting is fast and convenient, the welding fixation time is reduced, the overall structure is simple, and it is convenient to install and maintain, which greatly improves the stability of the overall welding. The specific contents are as follows:

[0017] (1) The sliding part inside the sleeve moves inside the slide groove outside the rotating column, which facilitates the rotating column to rotate inside the sleeve. The threaded slide groove allows the rotating column to rotate inside the sleeve and maintain a stable relative position relationship during the lifting process. The rotating column drives the rotating plate to limit the metal frame. The pressure plate connected to the bottom of the rotating plate through the damping spring can effectively clamp the metal frame according to the thickness of the metal frame. The overall structure is simple and convenient for installation and maintenance.

[0018] (2) The metal frame is adsorbed by the electromagnetic plate on the surface of the lifting plate during welding. The adsorption of the electromagnetic plate provides additional fixing force for the metal frame. When the metal frame needs to be disassembled or flipped for welding, the lifting plate is driven by the first telescopic cylinder to lift the metal frame upward. At this time, the pressure plate on the metal frame rotates through the cooperation of the rotating column, thereby improving the overall welding efficiency.

[0019] (3) After the electromagnetic plate is energized, the metal frame is stably adsorbed during welding, which improves the stability of the overall welding. The electromagnetic block at the side end of the adsorption component adsorbs the ejected metal frame, and drives the metal frame to flip through the flip assembly. After flipping, it is placed on the workbench again for reverse welding, thereby improving the degree of automation and production efficiency of the entire metal frame forming process.

[0020] (4) When the metal frame is lifted up, the support column moves upward inside the auxiliary tube through the cooperation of the support plate, so that the contact piece on the outside of the support column leaves the surface of the contact ring, thereby cutting off the power to the electromagnetic plate, making it easier for the electromagnetic block at the side end of the adsorption component to quickly adsorb the metal frame.

[0021] (5) The support plate squeezes the airbag inside the workbench, so that the gas inside the airbag is transported to the nozzle through the hose and sprayed out. Since the nozzle is set at the bottom of the rotating plate, the nozzle will spray in a range as the rotating plate rotates, greatly improving the overall cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall side view structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the overall back view structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the overall top view structure of the present invention;

[0026] Figure 5 It is a schematic diagram of the cutaway structure of the workbench of the present invention;

[0027] Figure 6 This is a schematic diagram of the cross-section structure of the support base of the present invention;

[0028] Figure 7 This is a schematic diagram of the connection structure between the lifting block and the lifting rod of the present invention;

[0029] Figure 8 It is a schematic diagram of the cutaway structure of the sleeve of the present invention;

[0030] Fig. 9It is a schematic diagram of the connection structure between the movable plate and the second guide rod of the present invention;

[0031] Fig.10 It is a schematic diagram of the cross-section structure of the rotating plate of the present invention;

[0032] Fig.11 This is a schematic diagram of a cross-sectional side view of the support column of the present invention;

[0033] Fig.12 For the present invention Fig.11 A in the figure is a schematic diagram of the enlarged structure.

[0034] In the figure: 1. mounting table; 2. working table; 3. first telescopic cylinder; 4. supporting plate; 5. lifting block; 6. first guide rod; 7. storage slot; 8. supporting seat; 9. lifting rod; 10. sleeve; 11. sliding member; 12. slide slot; 13. rotating column; 14. rotating plate; 15. damping spring; 16. pressure plate; 17. supporting column; 18. lifting plate; 19. electromagnetic plate; 20. second telescopic cylinder; 21. moving plate; 22. second guide rod; 23. conveying slot; 24. motor; 25. rotating shaft; 26. adsorption member; 27. energized slip ring; 28. electromagnetic block; 29. ​​operator; 30. contact piece; 31. contact ring; 32. auxiliary cylinder; 33. air bag; 34. hose; 35. nozzle. DETAILED DESCRIPTION

[0035] 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.

[0036] Embodiment 1: In this embodiment, the rotating column 13 moves downward with the cooperation of the slide slot 12 when rotating, further enhancing the limiting effect of the pressure plate 16 on the metal frame, making the metal frame more stable, and facilitating the metal frame to be stably supported by the pressure plate 16 and the workbench 2. Figure 1-Figure 8The technical solution shown in the figure comprises a mounting table 1 installed on the welding machine, a workbench 2 for placing a metal frame is arranged on the mounting table 1, a lifting rod 9 is connected to the inside of the workbench 2 through a driving assembly, a sleeve 10 is arranged on the lifting rod 9, a sliding member 11 is arranged inside the sleeve 10, the sliding member 11 is slidably connected to the inside of a slide groove 12, the slide groove 12 is threadedly opened on the outside of a rotating column 13, the rotating column 13 is connected to the inside of the sleeve 10, a rotating plate 14 for limiting is installed on the side end of the rotating column 13, and a pressure plate 16 for limiting is connected to the lower surface of the rotating plate 14 through a damping spring 15, and the driving assembly comprises a first telescopic cylinder 3 installed inside the workbench 2, and the output end of the first telescopic cylinder 3 is connected to a support plate 4, and the support plate A lifting block 5 is installed at the side end of 4, and a first guide rod 6 is connected to the lifting block 5 through the inside. A support seat 8 is arranged inside the workbench 2, and a storage groove 7 is opened inside the support seat 8. The first guide rod 6 is arranged inside the storage groove 7. A rotating column 13 is rotatably connected to the support seat 8. The lifting rod 9 penetrates the support seat 8 and is connected to the bottom of the sleeve 10. The mounting table 1 is installed on the welding machine. At this time, the metal frame to be processed can be placed on the workbench 2, and the whole is fixed by bolts, so that the stability of later welding is greatly improved, and the bolt fixing is convenient for installation and disassembly. At this time, the first telescopic cylinder 3 inside the workbench 2 is opened, and the support plate 4 is driven to rise and fall by the first telescopic cylinder 3. At this time, the lifting block 5 at the side end of the support plate 4 is in the first guide The lifting block 5 drives the sleeve 10 on the outside of the rotating column 13 to lift and lower through the lifting rod 9, thereby reducing the impact of shaking on the clamping and positioning of the metal frame and improving the accuracy of later welding. At this time, the sliding member 11 inside the sleeve 10 moves inside the slide groove 12 outside the rotating column 13. Since the slide groove 12 outside the rotating column 13 is threaded, it is convenient for the rotating column 13 to rotate inside the sleeve 10. The threaded slide groove 12 allows the rotating column 13 to rotate inside the sleeve 10 and maintains a stable relative position relationship during the lifting process. The pressing plate 16 connected to the damping spring 15 at the bottom of the rotating plate 14 can be effectively clamped according to the thickness of the metal frame to ensure that the metal frame will not be displaced during the welding process. The overall limiting is fast and convenient, which reduces the time for welding and fixing. Moreover, the rotating column 13 will move down with the cooperation of the slide groove 12 when rotating, further enhancing the limiting effect of the pressing plate 16 on the metal frame, making the metal frame limiting more stable, and facilitating the metal frame to be stably supported by the cooperation of the pressing plate 16 and the workbench 2. The overall structure is simple, convenient for installation and maintenance, and convenient for welding operations as a whole, which greatly improves the stability of the overall welding.

[0037] Embodiment 2: In this embodiment, the adsorption effect of the electromagnetic plate 19 provides additional fixing force for the metal frame, improves the stability of the metal frame during welding, and effectively reduces the possibility of welding deformation. Figure 2 and Figure 5-Figure 9As shown, it is disclosed that: an ejection assembly is arranged on the support plate 4, and the ejection assembly includes a support column 17 installed on the support plate 4, and a lifting plate 18 is installed on the support column 17, which penetrates the workbench 2 and can move up and down inside the workbench 2, and an electromagnetic plate 19 for adsorbing the metal frame is installed on the surface of the lifting plate 18; an auxiliary assembly is arranged on the mounting table 1, and the auxiliary assembly includes a second telescopic cylinder 20 installed on the mounting table 1, and the output end of the second telescopic cylinder 20 is connected to a moving plate 21, and the bottom of the moving plate 21 is penetrated and connected with a second guide rod 22, and a conveying groove 23 is opened on the mounting table 1, and the second guide rod 22 is located inside the conveying groove 23, and an operator 29 is arranged on the side end of the moving plate 21, and a flip assembly is arranged on the moving plate 21, and the flip assembly The components include a motor 24 installed on the moving plate 21, the output end of the motor 24 is connected to an adsorption component 26 through a rotating shaft 25, an electromagnetic block 28 for adsorbing the metal frame is installed on the surface of the adsorption component 26, and the outer side of the rotating shaft 25 is electrically connected to the electromagnetic block 28 through an energized slip ring 27. When the first telescopic cylinder 3 drives the support plate 4 to move up and down, the support column 17 on the support plate 4 drives the lifting plate 18 to move inside the workbench 2. The metal frame is adsorbed by the electromagnetic plate 19 on the surface of the lifting plate 18 during welding. The adsorption effect of the electromagnetic plate 19 provides additional fixing force for the metal frame, improves the stability of the metal frame during welding, and effectively reduces the possibility of welding deformation. When the metal frame needs to be disassembled or flipped for welding, When the metal frame is connected, the lifting plate 18 can be driven by the first telescopic cylinder 3 to lift the metal frame upward. At this time, the pressing plate 16 on the metal frame is rotated by the cooperation of the rotating column 13, so that the metal frame can be removed and turned over, reducing the problem of low overall automation caused by manual loading and unloading. The second telescopic cylinder 20 drives the moving plate 21 to move, so that the moving plate 21 can be stably transported on the second guide rod 22. The second guide rod 22 is installed in the conveying groove 23 of the mounting table 1, which is convenient for the use of the turning component on the moving plate 21, thereby improving the practicality of the overall mechanism. After the magnetic plate 19 is energized, the metal frame can be stably adsorbed during welding, thereby improving the stability of the overall welding. When the metal frame needs to be removed, When it belongs to the frame, the electromagnetic block 28 at the side end of the adsorption member 26 is energized through the operator 29. At this time, the electromagnetic block 28 at the side end of the adsorption member 26 adsorbs the ejected metal frame, and drives the second telescopic cylinder 20 again to drive the moving plate 21 to move, so that the flip assembly is away from the workbench 2, and the motor 24 of the flip assembly is turned on. The output end of the motor 24 drives the rotating shaft 25 to rotate, which is convenient for the rotating shaft 25 to mobilize the adsorption member 26 to rotate. At this time, the energized slip ring 27 on the outside of the rotating shaft 25 is conveniently connected to the electromagnetic block 28 through a wire, reducing the problem of damage to the wire due to flipping. After flipping, it is placed on the workbench 2 again for reverse welding, thereby improving the automation level and production efficiency of the entire metal frame forming process.

[0038] Embodiment 3: In this embodiment, the gas ejected from the nozzle 35 is convenient for blowing away the heat generated by welding, so that the metal frame is quickly cooled after welding. Figure 4-Figure 12 As shown, it is disclosed that: a contact piece 30 is arranged on the outside of the support column 17, and a contact ring 31 is arranged on the outside of the contact piece 30. When the contact piece 30 contacts the contact ring 31, the electromagnetic plate 19 generates magnetic force. The contact ring 31 is arranged on the inside of an auxiliary cylinder 32. The auxiliary cylinder 32 is installed at the side end of the support seat 8. The auxiliary cylinder 32 is located on the outside of the support column 17. An air bag 33 is arranged on the top of the workbench 2. The output end of the air bag 33 is connected to a nozzle 35 through a hose 34. The hose 34 passes through the workbench 2 and is connected to the inside of the rotating plate 14. The nozzle 35 is installed at the bottom of the rotating plate 14. The air bag 33 is squeezed by the movement of the support plate 4 to generate an airflow effect. When the contact piece 30 on the outside of the support column 17 contacts the contact ring 31 inside the auxiliary cylinder 32, the electromagnetic plate 19 on the surface of the lifting plate 18 is energized to adsorb the metal frame, thereby improving the stability of the overall welding. When the metal frame is lifted up, the support column 17 moves upward inside the auxiliary cylinder 32 through the cooperation of the support plate 4, so that the contact piece 30 on the outside of the support column 17 leaves the surface of the contact ring 31, thereby cutting off the power to the electromagnetic plate 19, making it convenient for the electromagnetic block 28 at the side end of the adsorption member 26 to quickly adsorb the metal frame, and when the support plate 4 moves upward, the support plate 4 squeezes the air bag 33 inside the workbench 2, so that the gas inside the air bag 33 is transported to the nozzle 35 through the hose 34 for spraying, so that the gas sprayed by the nozzle 35 is convenient for blowing away the heat generated by welding, so that the metal frame can be quickly cooled after welding, and since the nozzle 35 is arranged at the bottom of the rotating plate 14, the nozzle 35 will spray in a range with the rotation of the rotating plate 14, which greatly improves the overall cooling effect and reduces the problem of overall operation inconvenience caused by the fixed cooling position.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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 auxiliary fixture for metal frame forming processing, comprising a mounting table (1) mounted on a welding machine, wherein a workbench (2) for placing the metal frame is provided on the mounting table (1), characterized in that: The workbench (2) is connected to a lifting rod (9) via a driving assembly, the lifting rod (9) is provided with a sleeve (10), a sliding member (11) is provided inside the sleeve (10), the sliding member (11) is slidably connected inside a slide groove (12), the slide groove (12) is threadedly opened on the outside of a rotating column (13), the rotating column (13) is connected through the sleeve (10), a rotating plate (14) for limiting is installed at the side end of the rotating column (13), and a pressure plate (16) for limiting is connected to the lower surface of the rotating plate (14) via a damping spring (15).

2. The welding auxiliary fixture for metal frame forming processing according to claim 1 is characterized in that: The driving assembly comprises a first telescopic cylinder (3) installed inside the workbench (2); the output end of the first telescopic cylinder (3) is connected to a support plate (4); and a lifting block (5) is installed on the side end of the support plate (4).

3. The welding auxiliary fixture for metal frame forming processing according to claim 2 is characterized in that: The lifting block (5) is connected to a first guide rod (6) passing through the inside thereof; a support seat (8) is arranged inside the workbench (2); a storage groove (7) is provided inside the support seat (8); the first guide rod (6) is arranged inside the storage groove (7); a rotating column (13) is rotatably connected to the support seat (8); and the lifting rod (9) passes through the support seat (8) and is connected to the bottom of the sleeve (10).

4. The welding auxiliary fixture for metal frame forming processing according to claim 2 is characterized in that: The support plate (4) is provided with an ejection assembly, the ejection assembly comprising a support column (17) mounted on the support plate (4), a lifting plate (18) penetrating the workbench (2) and movable up and down inside the workbench (2) being mounted on the support column (17), an electromagnetic plate (19) for adsorbing a metal frame being mounted on the surface of the lifting plate (18).

5. The welding auxiliary fixture for metal frame forming processing according to claim 1 is characterized in that: An auxiliary component is arranged on the mounting platform (1), and the auxiliary component comprises a second telescopic cylinder (20) mounted on the mounting platform (1), and an output end of the second telescopic cylinder (20) is connected to a movable plate (21).

6. The welding auxiliary fixture for metal frame forming processing according to claim 5, characterized in that: A second guide rod (22) is connected through the bottom of the movable plate (21), a conveying groove (23) is provided on the mounting platform (1), and the second guide rod (22) is located inside the conveying groove (23).

7. The welding auxiliary fixture for metal frame forming processing according to claim 6, characterized in that: An operator (29) is arranged at the side end of the movable plate (21), and a flip assembly is arranged on the movable plate (21). The flip assembly comprises a motor (24) mounted on the movable plate (21), and an output end of the motor (24) is connected to an adsorption member (26) via a rotating shaft (25). An electromagnetic block (28) for adsorbing a metal frame is mounted on the surface of the adsorption member (26), and the outer side of the rotating shaft (25) is electrically connected to the electromagnetic block (28) via an energized slip ring (27).

8. The welding auxiliary fixture for metal frame forming processing according to claim 4, characterized in that: A contact sheet (30) is arranged on the outside of the support column (17), and a contact ring (31) is arranged on the outside of the contact sheet (30). When the contact sheet (30) contacts the contact ring (31), the electromagnetic plate (19) generates magnetic force. The contact ring (31) is arranged on the inside of an auxiliary tube (32). The auxiliary tube (32) is installed on the side end of the support seat (8). The auxiliary tube (32) is located on the outside of the support column (17).

9. The welding auxiliary fixture for metal frame forming processing according to claim 1, characterized in that: An air bag (33) is arranged at the top of the workbench (2); an output end of the air bag (33) is connected to a nozzle (35) via a hose (34); the hose (34) passes through the workbench (2) and is connected to the inside of the rotating plate (14); the nozzle (35) is installed at the bottom of the rotating plate (14); and the air bag (33) is squeezed by the movement of the support plate (4) to generate an airflow effect.

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