Plasma welding auxiliary support

Abstract

The utility model relates to the technical field of welding auxiliary supports, and discloses a plasma welding auxiliary support which comprises a mounting plate, a moving mechanism is arranged in the mounting plate, a positioning mechanism is arranged at the top of the moving mechanism, and positioning lugs are fixedly connected to the front face and the back of the mounting plate. A toothed plate is fixedly connected to the interior of the mounting plate, a limiting shaft is fixedly connected to the interior of the mounting plate, the positioning mechanism comprises a limiting assembly and a positioning assembly, the limiting assembly is arranged at the top of the moving mechanism, and the positioning assembly is arranged in the limiting assembly. The limiting ring turns over to drive the upper limiting plate to reach the uppermost portion of the workpiece, then the nut rotates to drive the threaded rod to slide in the limiting sleeve, the threaded rod slides downwards to drive the upper limiting plate to be matched with the lower limiting plate to clamp the workpiece, the workpiece can be positioned, and deviation of the workpiece during welding is prevented. And the welding size error caused by deviation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary brackets, in particular to a plasma welding auxiliary bracket. Background Art

[0002] Plasma welding is a welding method that uses plasma arc as a heat source to melt the joints of two metals. It includes AC plasma arc welding, micro plasma arc welding, etc. During welding, the welding temperature is high, and in order to ensure the dimensional accuracy of the welding and prevent the workpiece from loosening during welding, a welding auxiliary bracket is needed to assist in the welding operation.

[0003] According to the description of a plasma welding auxiliary bracket for titanium ingot processing disclosed on the patent website (authorization announcement number: CN218476145U), "The utility model discloses a plasma welding auxiliary bracket for titanium ingot processing, including a base, a guide rail is symmetrically arranged on the base, a traveling mobile platform is slidably sleeved on the guide rail, a locking and positioning structure is arranged on the side of the mobile platform, and a rolling support structure is arranged on the mobile platform. The utility model relates to the technical field of titanium ingot welding processing. The titanium ingot electrode block is supported and fixed by a limiting support structure, and then the mobile platform is horizontally adjusted so that the titanium ingots are close to each other and close to each other. The locking and positioning structure is used to lock the mobile platform, and the titanium ingot is welded and fixed with a plasma welding machine. After one side of the welding is completed, the rolling support structure is used to drive the titanium ingot to rotate, which effectively improves the welding operation efficiency."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During the use of the utility model, since the device drives the workpiece to move by moving the mobile platform, the two workpieces are pressed against each other, and then the workpieces are rotated by the rollers to facilitate the welding operation. However, the workpieces are placed on the surface of the rollers and are not fixed in position, so the workpieces will become loose during welding. If the position of the workpiece is offset, it will cause errors in the welding size and welding quality problems. Therefore, it is necessary to improve a plasma welding auxiliary bracket to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a plasma welding auxiliary bracket to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plasma welding auxiliary bracket, comprising a mounting plate, a moving mechanism is arranged inside the mounting plate, a positioning mechanism is arranged on the top of the moving mechanism, positioning ears are fixedly connected to the front and back of the mounting plate, a tooth plate is fixedly connected to the inside of the mounting plate, and a limiting axis is fixedly connected to the inside of the mounting plate.

[0008] The positioning mechanism comprises a limiting component and a positioning component. The limiting component is arranged on the top of the moving mechanism, and the positioning component is arranged inside the limiting component.

[0009] Preferably, the moving mechanism includes a slider, the slider is slidably connected to the outside of the limit shaft, the slider is slidably connected to the inside of the mounting plate, the slider is fixedly connected to a positioning block inside, the positioning block is rotatably connected to a worm, the outside of the worm is fixedly connected to a handle, the outside of the worm is meshed with a worm wheel, the inside of the worm wheel is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the inside of the slider, the outside of the rotating shaft is fixedly connected to a gear, the gear is meshed with the front side of the tooth plate, and is used to move the position of the slider.

[0010] Preferably, the mounting plate is provided with a slide groove at a corresponding position of the slider, and the slider slides inside the slide groove, the slider is provided with a through hole at a corresponding position of the worm, and the worm passes through the through hole, so as to limit the slider.

[0011] Preferably, the limiting assembly includes a support frame, the support frame is fixedly connected to the top of the slider, the outside of the support frame is fixedly connected with a clamping plate, the top of the support frame is fixedly connected with a connecting seat, the internal rotation of the connecting seat is connected to a first rotating block, the top of the first rotating block is fixedly connected to a limiting ring, the internal rotation of the limiting ring is connected to a second rotating block, the internal thread of the second rotating block is connected with a bolt, and the bottom of the bolt is fixedly connected with a slot plate to facilitate the placement of the workpiece.

[0012] Preferably, the clamping plate is provided with a groove at a position corresponding to the bolt, and the bolt passes through the groove, the groove plate is in contact with the clamping plate, and the limiting ring is in contact with the support frame, so as to fix the position of the limiting ring.

[0013] Preferably, the positioning assembly includes a lower limit plate, which is fixedly connected to the inside of the support frame, the inside of the limit ring is fixedly connected to the limit sleeve, the inside of the limit ring is rotatably connected to a connecting ring, the top of the connecting ring is fixedly connected to a nut, the internal thread of the nut is connected to a threaded rod, the threaded rod is slidably connected to the inside of the limit sleeve, and the bottom of the threaded rod is fixedly connected to an upper limit plate for fixing the position of the workpiece.

[0014] Preferably, the limiting ring is provided with a limiting groove at a corresponding position of the connecting ring, and the connecting ring rotates inside the limiting groove to limit the nut.

[0015] Compared with the prior art, the utility model provides a plasma welding auxiliary bracket, which has the following beneficial effects:

[0016] 1. During use, the plasma welding auxiliary bracket drives the upper limit plate to the top of the workpiece by flipping the limit ring, and then the nut rotates to drive the threaded rod to slide inside the limit sleeve. The threaded rod slides downward to drive the upper limit plate to cooperate with the lower limit plate to clamp the workpiece, so as to position the workpiece to prevent the workpiece from shifting during welding and prevent welding size errors caused by the shift.

[0017] 2. During the use of the plasma welding auxiliary bracket, the worm drives the worm wheel through the set worm, and the worm wheel drives the gear. Because the gear engages with the toothed plate, it can push the slider to move, and the position can be adjusted according to the size of the workpiece. Because the worm engages with the worm wheel, it will be self-locking, so it will automatically fix the position after moving to the specified position, which is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the mobile mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the positioning component of the utility model;

[0023] Figure 5 This is a schematic diagram of the exploded structure of the positioning component of the utility model.

[0024] In the figure: 1. mounting plate; 2. positioning mechanism; 21. limiting assembly; 211. supporting frame; 212. clamping plate; 213. connecting seat; 214. first rotating block; 215. limiting ring; 216. second rotating block; 217. bolt; 218. slot plate; 22. positioning assembly; 221. lower limiting plate; 222. limiting sleeve; 223. connecting ring; 224. nut; 225. threaded rod; 226. upper limiting plate; 3. moving mechanism; 31. slider; 32. positioning block; 33. worm; 34. handle; 35. worm wheel; 36. rotating shaft; 37. gear; 4. positioning ear; 5. tooth plate; 6. limiting shaft. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-5 The utility model provides a technical solution: a plasma welding auxiliary bracket, including a mounting plate 1, a moving mechanism 3 is arranged inside the mounting plate 1, a positioning mechanism 2 is arranged on the top of the moving mechanism 3, a positioning ear 4 is fixedly connected to the front and back of the mounting plate 1, a tooth plate 5 is fixedly connected inside the mounting plate 1, and a limiting axis 6 is fixedly connected inside the mounting plate 1.

[0029] The positioning mechanism 2 includes a limiting component 21 and a positioning component 22 . The limiting component 21 is arranged on the top of the moving mechanism 3 , and the positioning component 22 is arranged inside the limiting component 21 .

[0030] Furthermore, the limiting assembly 21 includes a support frame 211, which is fixedly connected to the top of the slider 31, the outside of the support frame 211 is fixedly connected to a clamping plate 212, the top of the support frame 211 is fixedly connected to a connecting seat 213, the internal rotation of the connecting seat 213 is connected to a first rotating block 214, the top of the first rotating block 214 is fixedly connected to a limiting ring 215, the internal rotation of the limiting ring 215 is connected to a second rotating block 216, the internal thread of the second rotating block 216 is connected to a bolt 217, and the bottom of the bolt 217 is fixedly connected to a groove plate 218 for easy placement of the workpiece.

[0031] Furthermore, a groove is formed in the clamping plate 212 at a position corresponding to the bolt 217 , and the bolt 217 passes through the groove, the groove plate 218 contacts the clamping plate 212 , and the limiting ring 215 contacts the supporting frame 211 , so as to fix the position of the limiting ring 215 .

[0032] Furthermore, the positioning assembly 22 includes a lower limit plate 221, which is fixedly connected to the inside of the support frame 211, and the inside of the limit ring 215 is fixedly connected to the limit sleeve 222, and the inside of the limit ring 215 is rotatably connected to the connecting ring 223, and the top of the connecting ring 223 is fixedly connected to the nut 224, and the internal threaded connection of the nut 224 is connected to the threaded rod 225, and the threaded rod 225 is slidably connected to the inside of the limit sleeve 222, and the bottom of the threaded rod 225 is fixedly connected to the upper limit plate 226 for fixing the position of the workpiece.

[0033] Furthermore, the limiting ring 215 is provided with a limiting groove at a corresponding position of the connecting ring 223 , and the connecting ring 223 rotates inside the limiting groove to limit the nut 224 .

[0034] Embodiment 2:

[0035] See also Figure 1-2 , and combined with Example 1, it is further obtained that the moving mechanism 3 includes a slider 31, the slider 31 is slidably connected to the outside of the limit shaft 6, the slider 31 is slidably connected to the inside of the mounting plate 1, the inside of the slider 31 is fixedly connected with a positioning block 32, the inside of the positioning block 32 is rotatably connected with a worm 33, the outside of the worm 33 is fixedly connected with a handle 34, the outside of the worm 33 is meshed with a worm wheel 35, the inside of the worm wheel 35 is fixedly connected with a rotating shaft 36, the rotating shaft 36 is rotatably connected to the inside of the slider 31, the outside of the rotating shaft 36 is fixedly connected with a gear 37, the gear 37 is meshed with the front face of the toothed plate 5, and is used to move the position of the slider 31.

[0036] Furthermore, the mounting plate 1 is provided with a slide groove at a position corresponding to the slider 31 , and the slider 31 slides inside the slide groove. The slider 31 is provided with a through hole at a position corresponding to the worm 33 , and the worm 33 passes through the through hole, so as to limit the slider 31 .

[0037] In actual operation, when this device is used, the handle 34 is twisted to drive the worm 33, and the worm 33 rotates inside the positioning block 32. The worm 33 drives the worm wheel 35, and the worm wheel 35 drives the rotating shaft 36. The rotating shaft 36 drives the gear 37. Since the gear 37 engages the gear plate 5, the slider 31 can be pushed to move. The slider 31 slides outside the limiting shaft 6. The movement of the slider 31 drives the support frame 211 to adjust the position according to the size of the workpiece, and then the workpiece is placed inside the lower limiting plate 221. The limiting ring 215 drives the first rotating block 214 to rotate inside the connecting seat 213, so that the limiting ring 215 contacts the support frame 211, and then the second rotating block 216 is rotated inside the limiting ring 215. The second rotating block 216 drives the bolt 217, and the bolt 217 passes through the groove of the clamping plate 212, and then the bolt 217 is rotated. The bolt 217 rotates and rises inside the second rotating block 216, and the bolt 217 drives the groove plate 218 to contact the clamping plate 212, fixes the position of the limiting ring 215, and then twists the nut 224 to drive the connecting ring 223, and the connecting ring 223 is limited by the nut 224. The rotation of the nut 224 drives the threaded rod 225 to slide inside the limiting sleeve 222. Since the threaded rod 225 is provided with a groove at the corresponding position of the limiting sleeve 222, the threaded rod 225 cannot rotate. The sliding of the threaded rod 225 drives the upper limit plate 226, and the upper limit plate 226 cooperates with the lower limit plate 221 to clamp the workpiece.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A plasma welding auxiliary bracket, comprising a mounting plate (1), characterized in that: A moving mechanism (3) is arranged inside the mounting plate (1), a positioning mechanism (2) is arranged on the top of the moving mechanism (3), positioning ears (4) are fixedly connected at the front and back of the mounting plate (1), a tooth plate (5) is fixedly connected inside the mounting plate (1), and a limiting axis (6) is fixedly connected inside the mounting plate (1); The positioning mechanism (2) comprises a limiting component (21) and a positioning component (22); the limiting component (21) is arranged on the top of the moving mechanism (3); and the positioning component (22) is arranged inside the limiting component (21).

2. The plasma welding auxiliary bracket according to claim 1, characterized in that: The moving mechanism (3) comprises a slider (31), wherein the slider (31) is slidably connected to the outside of the limiting shaft (6), the slider (31) is slidably connected to the inside of the mounting plate (1), the slider (31) is fixedly connected to a positioning block (32) inside, the positioning block (32) is rotatably connected to a worm (33) inside, the worm (33) is fixedly connected to a handle (34) outside, the worm (33) is meshed with a worm wheel (35) outside, the worm wheel (35) is fixedly connected to a rotating shaft (36) inside, the rotating shaft (36) is rotatably connected to the inside of the slider (31), the rotating shaft (36) is fixedly connected to a gear (37) outside, and the gear (37) is meshed with the front side of the toothed plate (5).

3. The plasma welding auxiliary bracket according to claim 2, characterized in that: The mounting plate (1) is provided with a slide groove at a position corresponding to the slider (31), and the slider (31) slides inside the slide groove; the slider (31) is provided with a through hole at a position corresponding to the worm (33), and the worm (33) passes through the through hole.

4. The plasma welding auxiliary bracket according to claim 2, characterized in that: The limiting assembly (21) comprises a support frame (211), wherein the support frame (211) is fixedly connected to the top of the slider (31), the outside of the support frame (211) is fixedly connected to a clamping plate (212), the top of the support frame (211) is fixedly connected to a connecting seat (213), the inside of the connecting seat (213) is rotatably connected to a first rotating block (214), the top of the first rotating block (214) is fixedly connected to a limiting ring (215), the inside of the limiting ring (215) is rotatably connected to a second rotating block (216), the inside of the second rotating block (216) is threadedly connected to a bolt (217), and the bottom of the bolt (217) is fixedly connected to a slot plate (218).

5. The plasma welding auxiliary bracket according to claim 4, characterized in that: The clamping plate (212) is provided with a groove at a position corresponding to the bolt (217), and the bolt (217) passes through the groove, the groove plate (218) is in contact with the clamping plate (212), and the limiting ring (215) is in contact with the support frame (211).

6. The plasma welding auxiliary bracket according to claim 4, characterized in that: The positioning assembly (22) comprises a lower limit plate (221), wherein the lower limit plate (221) is fixedly connected to the inside of the support frame (211), the inside of the limit ring (215) is fixedly connected to the limit sleeve (222), the inside of the limit ring (215) is rotatably connected to a connecting ring (223), the top of the connecting ring (223) is fixedly connected to a nut (224), the inside of the nut (224) is threadedly connected to a threaded rod (225), the threaded rod (225) is slidably connected to the inside of the limit sleeve (222), and the bottom of the threaded rod (225) is fixedly connected to an upper limit plate (226).

7. The plasma welding auxiliary bracket according to claim 6, characterized in that: The limiting ring (215) is provided with a limiting groove at a corresponding position of the connecting ring (223), and the connecting ring (223) rotates inside the limiting groove.

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