Positioning clamp for welding machining table

Abstract

The utility model discloses a welding processing table positioning clamp which comprises a workbench table body, a positioning structure is arranged at the top of the workbench table body, the positioning structure comprises four clamping plates which are movably connected to the four corners of the top of the workbench table body through pin shafts, the number of the clamping plates is four, and the clamping plates are symmetrically arranged. Openings are formed in the front side and the rear side of the top of the workbench table body, a transmission structure is arranged at the bottom of the workbench table body, and the transmission structure can drive the clamping plates to swing through the openings. The clamping plates are extruded through the transmission structure, the clamping plates swing with the pin shaft at the top of the workbench body as the axis, when the inner sides of the multiple clamping plates make contact with the surface of a welding material, the effect of extruding and positioning the welding material is achieved, the fixing mode of an existing welding workbench can be improved, and the welding efficiency is improved. The operation step of opening and closing a plurality of independent fixing structures is omitted, time and labor are saved, and the fixing efficiency of the workbench is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding processing, in particular to a positioning fixture for a welding processing table. Background Art

[0002] Welding 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, electric arc, laser, electron beam, friction and ultrasonic wave. The basic working principle of welding is that when the welding rod and the workpiece are connected to different electrodes and put together, the air between them will be punctured to produce an arc. The temperature of the arc can reach 4000 degrees Celsius. The huge heat generated by electricity is used to melt the steel. The integration of the welding rod makes the steel more fusible, and then the two workpieces are bonded.

[0003] For example, the patent number published on the China Patent Network is: 201620606756.5, and the patent name is: A shaping welding workbench for lamp bases, which includes a workbench, characterized in that: the workbench is provided with a plurality of positioning blocks for limiting the lamp base, and a plurality of clamps for fixing the lamp base. The shaping welding workbench for lamp bases of the utility model realizes the positioning of the lamp base by fixing the workbench and the lamp base, and uses a toggle clamp for easy operation. The shaping welding workbench for lamp bases of the utility model has the advantages of simple structure, accurate positioning, and convenient operation.

[0004] However, the fixing method of the existing welding workbench is relatively complicated, and the material needs to change its direction repeatedly during the welding process, which requires opening and closing multiple independent fixing structures, which is time-consuming and labor-intensive, and affects the fixing efficiency of the workbench.

[0005] Therefore, it is necessary to design and modify the positioning fixture of the welding processing table. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a welding processing table positioning fixture, which has the advantage of improving the fixing efficiency, and solves the problem that the fixing method of the existing welding workbench is relatively cumbersome, and the material needs to repeatedly change its direction during the welding process, resulting in the need to open and close multiple independent fixing structures, which is time-consuming and labor-intensive, and affects the fixing efficiency of the workbench.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding processing table positioning fixture, including a workbench table body;

[0008] A positioning structure is provided on the top of the workbench table body, and the positioning structure includes clamps movably connected to the four corners of the top of the workbench table body through pins. The number of the clamps is four and they are symmetrically arranged with each other. Openings are provided on the front and rear sides of the top of the workbench table body. A transmission structure is provided on the bottom of the workbench table body, and the transmission structure can drive the clamps to swing through the openings.

[0009] As a preferred embodiment of the utility model, the transmission structure includes vertical plates fixedly connected to the left and right sides of the bottom of the workbench table body, the inner sides of the vertical plates are movably connected with bidirectional screws through bearings, the left and right sides of the surfaces of the bidirectional screws are threadedly connected with screw sleeves, the top of the screw sleeve is fixedly connected with a sliding rod, the side of the sliding rod away from the screw sleeve passes through the opening and extends to the outside of the splint, and the sliding rod is slidably connected to the opening and the splint, respectively.

[0010] As a preferred embodiment of the utility model, a rotating wheel is arranged on the right side of the vertical plate, and the right end of the bidirectional screw penetrates the vertical plate and is fixedly connected to the left side of the rotating wheel.

[0011] As a preferred embodiment of the utility model, a limiting rod is fixedly connected to the inner side of the vertical plate, the limiting rod is located on both sides of the bidirectional screw, and the screw sleeve is sleeved on the surface of the limiting rod and is slidably connected to the limiting rod.

[0012] As a preferred embodiment of the utility model, a sleeve is provided on the surface of the slide rod, the sleeve is located on the top of the workbench table body, and the outer surface of the sleeve is in contact with the outer side of the clamping plate.

[0013] As a preferred embodiment of the present invention, the front and back sides of the workbench table body are fixedly connected with support plates, the inner side of the support plate is fixedly connected with a spring plate, the side of the spring plate away from the support plate is in contact with the surface of the clamping plate, and the spring plate is elastic.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model squeezes the splint through the transmission structure, so that the splint swings with the pin shaft on the top of the workbench table as the axis. When the inner sides of multiple splints are in contact with the surface of the welding material, the welding material is squeezed and positioned. The utility model can improve the fixing method of the existing welding workbench, save the operating steps of opening and closing multiple independent fixing structures, save time and labor, and improve the fixing efficiency of the workbench.

[0016] 2. The utility model can drive multiple clamping plates to swing simultaneously by arranging a bidirectional screw, a screw sleeve and a slide rod, and can reduce the space occupied by the transmission structure to avoid affecting the installation of materials.

[0017] 3. The utility model can facilitate users to rotate the bidirectional screw by providing a rotating wheel, and can increase the contact area between the bidirectional screw and the hand.

[0018] 4. The utility model can limit the screw sleeve by setting a limit rod to prevent the screw sleeve from tilting during movement.

[0019] 5. The utility model can protect the slide bar by providing a sleeve, reduce the wear of the slide bar and the clamping plate during contact and friction, and facilitate the slide bar to apply pressure.

[0020] 6. The utility model can support the splint by providing a support plate and a spring plate, so that the splint has an elastic reset effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 3 It is a partial schematic diagram of the structure of the utility model when viewed from above.

[0024] In the figure: 1. workbench body; 2. positioning structure; 3. clamping plate; 4. opening; 5. transmission structure; 6. vertical plate; 7. bidirectional screw; 8. screw sleeve; 9. sliding rod; 10. rotating wheel; 11. limiting rod; 12. sleeve; 13. support plate; 14. spring plate. 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] like Figures 1 to 3 As shown, the utility model provides a welding processing table positioning fixture, including a workbench body 1;

[0027] A positioning structure 2 is provided on the top of the workbench table body 1, and the positioning structure 2 includes clamps 3 movably connected to the four corners of the top of the workbench table body 1 through pins. There are four clamps 3 and they are symmetrically arranged with each other. Openings 4 are provided on the front and rear sides of the top of the workbench table body 1. A transmission structure 5 is provided at the bottom of the workbench table body 1, and the transmission structure 5 can drive the clamps 3 to swing through the openings 4.

[0028] refer to Figure 3The transmission structure 5 includes a vertical plate 6 fixedly connected to the left and right sides of the bottom of the workbench table body 1, and a bidirectional screw 7 is movably connected to the inner side of the vertical plate 6 through a bearing. The left and right sides of the surface of the bidirectional screw 7 are threadedly connected with a screw sleeve 8, and the top of the screw sleeve 8 is fixedly connected with a sliding rod 9. The side of the sliding rod 9 away from the screw sleeve 8 passes through the opening 4 and extends to the outside of the splint 3. The sliding rod 9 is slidably connected to the opening 4 and the splint 3 respectively.

[0029] As a technical optimization solution of the utility model, by providing a bidirectional screw 7, a screw sleeve 8 and a slide rod 9, multiple clamping plates 3 can be driven to swing simultaneously, and the space occupied by the transmission structure 5 can be reduced to avoid affecting the installation of materials.

[0030] refer to Figure 2 A rotating wheel 10 is arranged on the right side of the vertical plate 6 , and the right end of the bidirectional screw 7 passes through the vertical plate 6 and is fixedly connected to the left side of the rotating wheel 10 .

[0031] As a technical optimization solution of the present invention, by providing the rotating wheel 10, it is convenient for the user to rotate the bidirectional screw 7, and the contact area between the bidirectional screw 7 and the hand can be increased.

[0032] refer to Figure 2 The inner side of the vertical plate 6 is fixedly connected to a limit rod 11 , the limit rod 11 is located on both sides of the bidirectional screw 7 , and the screw sleeve 8 is sleeved on the surface of the limit rod 11 and is slidably connected to the limit rod 11 .

[0033] As a technical optimization solution of the present invention, by providing a limiting rod 11, the screw sleeve 8 can be limited to avoid the screw sleeve 8 from tilting during the movement.

[0034] refer to Figure 3 The surface of the slide bar 9 is sleeved with a sleeve 12 , which is located on the top of the workbench body 1 , and the outer surface of the sleeve 12 contacts the outer side of the splint 3 .

[0035] As a technical optimization solution of the utility model, by providing the sleeve 12, the slide bar 9 can be protected, the wear of the slide bar 9 and the clamping plate 3 during contact and friction can be reduced, and it is convenient for the slide bar 9 to apply pressure.

[0036] refer to Figure 2 The front and back sides of the workbench body 1 are fixedly connected with a support plate 13, and the inner side of the support plate 13 is fixedly connected with a spring plate 14. The side of the spring plate 14 away from the support plate 13 contacts the surface of the clamping plate 3, and the spring plate 14 is elastic.

[0037] As a technical optimization solution of the present invention, by providing the support plate 13 and the spring plate 14, the clamping plate 3 can be supported so that the clamping plate 3 has an elastic reset effect.

[0038] The working principle and use process of the utility model are as follows: when in use, first place the welding material on the top of the workbench table body 1. When the welding material is placed, the user rotates the rotating wheel 10, and the rotating wheel 10 drives the bidirectional screw 7 to rotate. The bidirectional screw 7 uses the thread to push the screw sleeve 8 to move toward each other. During the movement of the screw sleeve 8, the sliding rod 9 is driven to slide inside the opening 4. During the movement of the sliding rod 9, the splint 3 is squeezed, so that the splint 3 swings with the pin shaft on the top of the workbench table body 1 as the axis. When the inner side of the splint 3 contacts the surface of the welding material, the effect of squeezing and positioning the welding material is achieved.

[0039] To sum up: the welding processing table positioning fixture squeezes the clamp 3 through the transmission structure 5, so that the clamp 3 swings with the pin shaft on the top of the workbench table body 1 as the axis. When the inner sides of multiple clamps 3 are in contact with the surface of the welding material, the welding material is squeezed and positioned. The utility model can improve the fixing method of the existing welding workbench, save the operating steps of opening and closing multiple independent fixing structures, save time and effort, and improve the fixing efficiency of the workbench.

[0040] 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.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding table positioning fixture, comprising a workbench body (1); Features: A positioning structure (2) is arranged on the top of the workbench body (1), and the positioning structure (2) comprises clamping plates (3) movably connected to the four corners of the top of the workbench body (1) via pins, and the number of the clamping plates (3) is four and they are arranged symmetrically with each other. The front side and the rear side of the top of the workbench body (1) are both provided with openings (4), and a transmission structure (5) is arranged on the bottom of the workbench body (1), and the transmission structure (5) can drive the clamping plates (3) to swing through the openings (4).

2. A welding table positioning fixture according to claim 1, characterized in that: The transmission structure (5) comprises a vertical plate (6) fixedly connected to the left and right sides of the bottom of the workbench table body (1); the inner side of the vertical plate (6) is movably connected to a bidirectional screw rod (7) via a bearing; the left and right sides of the surface of the bidirectional screw rod (7) are both threadedly connected to a screw sleeve (8); the top of the screw sleeve (8) is fixedly connected to a sliding rod (9); the side of the sliding rod (9) away from the screw sleeve (8) passes through the opening (4) and extends to the outside of the clamping plate (3); the sliding rod (9) is slidably connected to the opening (4) and the clamping plate (3), respectively.

3. A welding table positioning fixture according to claim 2, characterized in that: A rotating wheel (10) is arranged on the right side of the vertical plate (6), and the right end of the bidirectional screw rod (7) passes through the vertical plate (6) and is fixedly connected to the left side of the rotating wheel (10).

4. A welding table positioning fixture according to claim 2, characterized in that: The inner side of the vertical plate (6) is fixedly connected to a limit rod (11), the limit rod (11) is located on both sides of the bidirectional screw rod (7), and the screw sleeve (8) is sleeved on the surface of the limit rod (11) and is slidably connected to the limit rod (11).

5. The welding table positioning fixture according to claim 2, characterized in that: The surface of the slide rod (9) is sleeved with a sleeve (12), the sleeve (12) is located on the top of the workbench body (1), and the outer surface of the sleeve (12) is in contact with the outer side of the clamping plate (3).

6. The welding table positioning fixture according to claim 1, characterized in that: The front and back sides of the workbench body (1) are both fixedly connected to a support plate (13), the inner side of the support plate (13) is fixedly connected to a spring plate (14), the side of the spring plate (14) away from the support plate (13) is in contact with the surface of the clamping plate (3), and the spring plate (14) is elastic.

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