Clamping device for metal piece welding

Abstract

The utility model discloses a clamping device for welding a metal piece, which comprises a main body unit, the main body unit comprises a working table, the lower side of the working table is provided with a bottom plate, and the upper side surface of the working table is fixedly connected with two groups of supporting rods. A metal piece is placed on the surface of a first clamping plate, then a threaded rod is rotated in a threaded mode to enable a second clamping plate to move downwards, under the limiting effect of a limiting rod, the second clamping plate and the first clamping plate clamp and fix the metal piece, then a sliding sleeve is pushed, the sliding sleeve slides on the surface of a rotating shaft, and meanwhile a sliding plate slides in a sliding groove. The metal parts are moved to the designated position and aligned, then the locking screw rod is rotated in a threaded mode, the locking screw rod pushes the soft cushion to be tightly attached to the surface of the rotating shaft, then the sliding sleeve is locked on the surface position of the rotating shaft, the metal parts are aligned and fixed, welding can be stable, and the welding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal components, in particular to a clamping device for welding metal components. Background Art

[0002] Metal components refer to various structural parts made of metal materials, which play an important role in engineering and manufacturing. These components can be produced by different manufacturing technologies, including casting, forging, stamping, welding and modern additive manufacturing technology. During the welding process, professional devices are required to fix the metal components to ensure that they maintain the correct position and posture during the welding process.

[0003] The existing patent number CN217019221U discloses a welding device with a clamping structure for the production of metal components, including a vertical plate, one side of the vertical plate is fixedly connected to a workbench, the top of the workbench is fixedly connected to a welding device body, one side of the vertical plate is fixedly connected to a fixing plate, the top of the welding device body is fixedly connected to a connecting line, the bottom of the fixing plate is fixedly connected to a welding head, and one side of the fixing plate is fixedly connected to a connecting plate. The welding device with a clamping structure for the production of metal components, through the vertical plate, workbench, fixing plate, welding head, connecting plate, placement table, adjustment plate, adjustment hole, threaded rod, clamping plate and clamping pad, the clamping plate and clamping pad can effectively fix and clamp the component so that it will not deviate during the welding process, effectively improve the welding quality, further meet people's use needs, and bring convenience to people's work.

[0004] The existing technology fixes metal parts by clamping plates and clamping pads, but during welding, different welding points of the metal parts need to be welded. At that time, the clamping plate needs to be repeatedly adjusted to adjust the angle of the metal parts, which affects the welding efficiency. Moreover, when two groups of metal parts need to be aligned and welded, the existing technology can only fix one group, resulting in poor alignment welding effect of the two groups of metal parts, which is easy to produce defective products. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems existing in the existing clamping device for welding metal parts, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a clamping device for welding metal parts, which is designed to solve the problem that "the prior art fixes metal parts through clamping plates and clamping pads, but during welding, it is necessary to weld different welding points of the metal parts, and then the clamping plate needs to be repeatedly adjusted to adjust the angle of the metal parts, affecting the welding efficiency, and when two groups of metal parts need to be aligned and welded, the prior art can only fix one group, resulting in poor alignment welding effect of the two groups of metal parts, and easily producing defective products."

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0009] A clamping device for welding metal parts, comprising:

[0010] The main unit comprises a workbench, a bottom plate is arranged on the lower side of the workbench, and two groups of support rods are fixedly connected to the upper surface of the workbench;

[0011] The fixing unit comprises a rotating shaft rotatably connected to the two groups of support rods, and a transmission assembly is arranged at one end of the rotating shaft, two groups of sliding sleeves are slidably connected to the surface of the rotating shaft, and one side of the sliding sleeves is fixedly connected to a connecting rod, and the other ends of the two groups of connecting rods are arranged with a clamping assembly.

[0012] As a preferred solution of the clamping device for welding metal parts described in the utility model, the transmission assembly includes a worm wheel fixedly connected to the rotating shaft, and the lower side of the worm wheel is meshingly connected to a worm, the surface of the worm is rotatably connected to a bracket, and one side of the bracket is fixedly connected to a support rod, and one end of the worm is fixedly connected to a handle.

[0013] As a preferred solution of the clamping device for welding metal parts described in the utility model, the two groups of clamping assemblies both include a fixing plate fixedly connected to the connecting rod, and the lower end of the fixing plate is fixedly connected with a clamping plate 1, the upper ends of the two groups of fixing plates are fixedly connected with an upper fixing plate, and the interior of the upper fixing plate is threadedly connected with a threaded rod, and the lower ends of the two groups of threaded rods are rotatably connected with a clamping plate 2.

[0014] As a preferred solution of the clamping device for welding metal parts described in the utility model, one side of the two groups of clamping plates are fixedly connected to the limiting rod, the interiors of the two groups of fixed plates are provided with limiting grooves, and the inner wall surfaces of the limiting grooves are slidably connected to the limiting rod.

[0015] As a preferred solution of the clamping device for welding metal parts described in the utility model, a slide groove is opened inside the rotating shaft, and sliding plates are fixedly connected to the insides of the two groups of sliding sleeves, and the surfaces of the sliding plates are slidably connected to the inner wall surfaces of the slide groove.

[0016] As a preferred solution of the clamping device for welding metal parts described in the utility model, the upper sides of the two groups of sliding sleeves are both threadedly connected with locking screws, and the lower sides of the locking screws are both fixedly connected with soft pads, and the two groups of soft pads are both made of rubber.

[0017] Beneficial effects of the utility model:

[0018] 1. Place the metal part on the surface of the first clamp, and then rotate the threaded rod to move the second clamp downward. Under the limiting action of the limiting rod, the second clamp and the first clamp fix the metal part. Then push the sleeve to slide on the surface of the rotating shaft. At the same time, the sliding plate slides inside the slide groove to move the metal part to the specified position and align it. Then rotate the locking screw to push the soft pad to fit tightly with the surface of the rotating shaft, thereby locking the sleeve on the surface of the rotating shaft, aligning and fixing the metal parts, and thus stabilizing the welding and improving the welding effect.

[0019] 2. When it is necessary to weld other points of the metal part, manually turn the handle to drive the worm to rotate, and the worm wheel meshing with the worm drives the rotating shaft to rotate at the upper end of the support rod, so that the rotating shaft drives the sliding sleeve to flip up and down flexibly, driving the metal part to flip, making it convenient for the operator to weld other points of the metal part without repeated clamping and fixing, thereby improving welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 is a three-dimensional structural schematic diagram of a clamping device for welding metal parts proposed by the utility model;

[0022] Figure 2 is a schematic cross-sectional view of a three-dimensional structure of a fixing unit;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 4 for Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0025] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point C in the middle.

[0026] In the figure: 100, main unit; 101, workbench; 102, bottom plate; 103, support rod; 200, fixed unit; 201, rotating shaft; 203, transmission assembly; 203a, worm gear; 203b, worm; 203c, bracket; 203d, handle; 204, sliding sleeve; 205, connecting rod; 206, clamping assembly; 206a, fixed plate; 206b, clamping plate 1; 206c, upper fixing plate; 206d, threaded rod; 206e, clamping plate 2; 206f, limit rod; 207, sliding plate; 208, slide groove; 209, locking screw; 210, cushion. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0030] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0031] Reference Figure 1-5 The utility model provides a clamping device for welding metal parts, comprising:

[0032] The main unit 100 includes a workbench 101, a bottom plate 102 is provided on the lower side of the workbench 101, and two groups of support rods 103 are fixedly connected to the upper surface of the workbench 101;

[0033] The fixing unit 200 includes a rotating shaft 201 rotatably connected to the two groups of support rods 103, and a transmission assembly 203 is arranged at one end of the rotating shaft 201, two groups of sliding sleeves 204 are slidably connected to the surface of the rotating shaft 201, and one side of the sliding sleeves 204 is fixedly connected to a connecting rod 205, and the other ends of the two groups of connecting rods 205 are arranged with a clamping assembly 206.

[0034] Among them, the transmission assembly 203 includes a worm wheel 203a fixedly connected to the rotating shaft 201, and the lower side of the worm wheel 203a is meshingly connected to the worm 203b, the surface of the worm 203b is rotatably connected to the bracket 203c, and one side of the bracket 203c is fixedly connected to the support rod 103, and one end of the worm 203b is fixedly connected to the handle 203d. Rotating the worm 203b can drive the worm wheel 203a to rotate, and then drive the rotating shaft 201 to rotate, and it can self-lock when stopping rotation.

[0035] Furthermore, the two groups of clamping assemblies 206 both include a fixed plate 206a fixedly connected to the connecting rod 205, and the lower end of the fixed plate 206a is fixedly connected to a clamp plate 206b, the upper ends of the two groups of fixed plates 206a are fixedly connected to an upper fixed plate 206c, and the interior of the upper fixed plate 206c is threadedly connected to a threaded rod 206d, and the lower ends of the two groups of threaded rods 206d are rotatably connected to a clamp plate 206e, and rotating the threaded rod 206d can push the clamp plate 206e closer to the clamp plate 206b to clamp the metal parts.

[0036] Furthermore, one side of the two sets of clamping plates 206e is fixedly connected to the limiting rod 206f, and the interior of the two sets of fixed plates 206a is provided with limiting grooves, and the inner wall surfaces of the limiting grooves are slidably connected to the limiting rod 206f. The clamping plate 206e will not rotate under the limitation of the limiting rod 206f, and will not cause the metal part to deflect when clamping the metal part.

[0037] Furthermore, a slide groove 208 is opened inside the rotating shaft 201, and the two sets of sliding sleeves 204 are fixedly connected with sliding plates 207 inside, and the surfaces of the sliding plates 207 are slidably connected to the inner wall surfaces of the slide groove 208, so that the sliding sleeves 204 will not rotate on the surface of the rotating shaft 201.

[0038] Furthermore, the upper sides of the two sets of sliding sleeves 204 are both threadedly connected with locking screws 209, and the lower sides of the locking screws 209 are both fixedly connected with soft pads 210. The two sets of soft pads 210 are both made of rubber. The locking screws 209 are threadedly rotated so that the locking screws 209 push the soft pads 210 to contact the surface of the rotating shaft 201, thereby controlling the sliding sleeves 204 to slide on the surface of the rotating shaft 201.

[0039] During use, the metal piece is placed on the surface of the first clamp plate 206b, and then the threaded rod 206d is threadedly rotated to make the second clamp plate 206e move downward. Under the limiting effect of the limiting rod 206f, the second clamp plate 206e and the first clamp plate 206b clamp the metal piece, and then the sliding sleeve 204 is pushed to make the sliding sleeve 204 slide on the surface of the rotating shaft 201. At the same time, the sliding plate 207 slides inside the sliding groove 208 to move the metal piece to the specified position and align it. Then the locking screw 209 is threadedly rotated to make the locking screw 209 push the soft pad 210 and The surface of the rotating shaft 201 fits tightly, so that the sliding sleeve 204 is locked in the surface position of the rotating shaft 201, so that the metal parts are aligned and fixed, and can be stably welded. When it is necessary to weld other points of the metal parts, the handle 203d is manually turned to drive the worm 203b to rotate, and the worm wheel 203a meshing with the worm 203b drives the rotating shaft 201 to rotate at the upper end of the support rod 103, so that the rotating shaft 201 drives the sliding sleeve 204 to be flexibly flipped up and down, driving the metal parts to flip, which is convenient for the operator to weld other points of the metal parts.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A clamping device for metal welding, characterized in that: include: The main unit (100) comprises a workbench (101), a bottom plate (102) is arranged on the lower side of the workbench (101), and two groups of support rods (103) are fixedly connected to the upper surface of the workbench (101); The fixing unit (200) comprises a rotating shaft (201) rotatably connected to two groups of support rods (103), and a transmission assembly (203) is arranged at one end of the rotating shaft (201), two groups of sliding sleeves (204) are slidably connected to the surface of the rotating shaft (201), and one side of the sliding sleeves (204) is fixedly connected to a connecting rod (205), and the other ends of the two groups of connecting rods (205) are arranged with a clamping assembly (206).

2. A clamping device for metal welding according to claim 1, characterized in that: The transmission assembly (203) comprises a worm wheel (203a) fixedly connected to the rotating shaft (201), and the lower side of the worm wheel (203a) is meshingly connected to a worm (203b), the surface of the worm (203b) is rotatably connected to a bracket (203c), and one side of the bracket (203c) is fixedly connected to the support rod (103), and one end of the worm (203b) is fixedly connected to a handle (203d).

3. A clamping device for metal welding according to claim 2, characterized in that: The two groups of clamping assemblies (206) both include a fixed plate (206a) fixedly connected to the connecting rod (205), and the lower end of the fixed plate (206a) is fixedly connected to a clamping plate 1 (206b), the upper ends of the two groups of fixed plates (206a) are fixedly connected to an upper fixing plate (206c), and the interior of the upper fixing plate (206c) is threadedly connected to a threaded rod (206d), and the lower ends of the two groups of threaded rods (206d) are rotatably connected to a clamping plate 2 (206e).

4. A clamping device for metal welding according to claim 3, characterized in that: One side of the two groups of clamping plates (206e) is fixedly connected to a limiting rod (206f), and the interiors of the two groups of fixed plates (206a) are provided with limiting grooves, and the inner wall surfaces of the limiting grooves are slidably connected to the limiting rod (206f).

5. A clamping device for welding metal parts according to claim 4, characterized in that: A sliding groove (208) is provided inside the rotating shaft (201), and sliding plates (207) are fixedly connected inside the two sets of sliding sleeves (204), and the surfaces of the sliding plates (207) are slidably connected to the inner wall surfaces of the sliding groove (208).

6. A clamping device for metal welding according to claim 5, characterized in that: The upper sides of the two sets of sliding sleeves (204) are both threadedly connected with locking screws (209), and the lower sides of the locking screws (209) are both fixedly connected with soft pads (210), and the two sets of soft pads (210) are both made of rubber.

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