Stud welding sliding fixing device

Abstract

The utility model discloses a stud welding sliding fixing device. The stud welding sliding fixing device comprises a base and a supporting seat fixedly connected to the base. The supporting base comprises a fixing part, one end of the fixing part is connected with a long-strip-shaped connecting part, a welding gun support is arranged on one side of the connecting part, and the welding gun support relatively slides in the long-strip-shaped extending direction of the connecting part. By arranging the welding gun support, the welding gun can stably and relatively slide along the long-strip-shaped connecting part in the supporting seat, the situation that the welding gun is likely to be inclined due to hand shaking and the like during manual operation is prevented, and a stud can be stably welded to a workpiece through the stud welding gun.

Description

Technical Field

[0001] The utility model relates to the technical field of stud welding, in particular to a stud welding sliding fixing device. Background Art

[0002] Stud welding is required to weld studs on the vehicle body structure. Stud welding requires a welding gun to press the studs onto the parts for welding. The existing technology uses a combination of a welding gun and a pin sleeve, and adopts a gap fit method for welding. Due to the gap, manual welding is skewed in the front, back, left, and right directions, resulting in defects in the position and size of the studs. Utility Model Content

[0003] In view of the above technical problems, an embodiment of the utility model provides a stud welding sliding fixing device to solve the problems raised in the above background technology.

[0004] The utility model provides the following technical solutions:

[0005] A stud welding sliding fixing device comprises a base and a support base fixedly connected to the base. The support base comprises a fixing part, one end of which is connected to a long strip connecting part, one side of which is provided with a welding gun bracket, and the welding gun bracket slides relatively along the extending direction of the long strip of the connecting part.

[0006] Preferably, the welding gun bracket includes a support, an upper clamping assembly and a lower clamping assembly, the support is connected to the connecting part, a groove for accommodating the welding gun is provided in the middle of the upper clamping assembly and the lower clamping assembly, and the upper clamping assembly and the lower clamping assembly are fixedly connected to the support to form a U-shaped bracket.

[0007] Preferably, the upper clamping assembly and the lower clamping assembly are each composed of two clamping blocks with grooves connected by bolts, and the grooves in the two clamping blocks are assembled to form a groove for accommodating a welding gun.

[0008] Preferably, the groove formed by the two clamping blocks in the upper clamping assembly is circular, and the groove formed by the two clamping blocks in the lower clamping assembly is arc-shaped.

[0009] Preferably, the support includes a fixed part and two movable parts, the fixed part is connected to the connecting part, the two movable parts are respectively connected to the upper clamping assembly and the lower clamping part, the fixed part is provided with at least two threaded holes along the vertical direction, the movable part is provided with threaded holes corresponding to the fixed part, and the fixed part and the movable part are connected by bolts.

[0010] Preferably, a slide rail is provided on one side of the connection portion corresponding to the welding gun bracket, the slide rail is a strip block with a T-shaped cross section, the welding gun bracket is fixedly connected with a slider, a strip groove matching the slide rail is provided on the side of the slider away from the welding gun bracket, and the slide rail is slidably connected to the slider.

[0011] Preferably, a reset device is provided between the connecting portion and the welding gun bracket to automatically reset the welding gun bracket after relative displacement.

[0012] Preferably, the reset device includes a fixed connecting column arranged at the top of the connecting part and extending toward one side of the welding gun bracket, and a movable connecting column arranged at the top of the welding gun bracket and extending toward one side of the connecting part, and the fixed connecting column and the movable connecting column are connected by a reset spring.

[0013] The present invention provides a stud welding sliding fixing device, which has the following beneficial effects:

[0014] (1) The welding gun moves linearly along the slide rail to prevent the welding gun from tilting due to uneven manual force during welding;

[0015] (2) A reset device is provided between the support and the welding gun bracket to enable the welding gun to automatically return to its original position after welding is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure numerals: 1. base; 2. support seat; 201. fixing part; 202. connecting part; 3. welding gun bracket; 301. support; 302. upper clamping assembly; 303. lower clamping assembly; 4. slide rail; 5. slider; 6. reset device; 601. fixed connecting column; 602. movable connecting column. DETAILED DESCRIPTION

[0019] 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 A stud welding sliding fixing device comprises a base 1 and a support base 2 fixedly connected to the base 1. The support base 2 comprises a fixing portion 201, one end of the fixing portion 201 is connected to a long strip connecting portion 202, one side of the connecting portion 202 is provided with a welding gun bracket 3, and the welding gun bracket 3 slides relatively along the long strip extending direction of the connecting portion 202. The utility model is fixed on the base 1 by the support base connected to the welding gun bracket 3, and the welding gun bracket 3 slides linearly along the connecting portion 202, so as to achieve stable welding during the stud welding process.

[0021] The welding gun bracket 3 includes a support 301, an upper clamping assembly 302 and a lower clamping assembly 303. The support 301 is connected to the connecting portion 202. A groove for accommodating the welding gun is provided in the middle of the upper clamping assembly 302 and the lower clamping assembly 303. The upper clamping assembly 302 and the lower clamping assembly 303 are fixedly connected to the support 301 to form a U-shaped bracket. At least two clamping assemblies are used to ensure that the welding gun can move stably and without deflection in a straight line.

[0022] The upper clamping assembly 302 and the lower clamping assembly 303 are both composed of two clamping blocks with grooves connected by bolts, and the grooves in the two clamping blocks are assembled to form a groove for accommodating the welding gun. The welding gun is clamped in the welding gun bracket 3 by the clamping blocks and locked by bolts.

[0023] The groove formed by the two clamping blocks in the upper clamping assembly 302 is circular, which is used to cover and clamp the narrower part of the welding gun; the groove formed by the two clamping blocks in the lower clamping assembly 303 is arc-shaped, which is used to clamp the wider part of the welding gun. After the upper clamping assembly 302 fixes one end of the welding gun, the arc-shaped groove of the lower clamping assembly 303 can be used for the welding gun to adjust the position of the welding gun head to make it parallel to the slide rail.

[0024] The support 301 includes a fixed part and two movable parts, the fixed part is connected to the connecting part 202, the two movable parts are respectively connected to the upper clamping assembly 302 and the lower clamping assembly 303, the fixed part is provided with at least two threaded holes in the vertical direction, the movable part is provided with threaded holes corresponding to the fixed part, and the fixed part and the movable part are connected by bolts. The welding gun stroke can be adjusted by changing the position of the movable part relative to the fixed part, and the spacing between the upper clamping assembly 302 and the lower clamping assembly 303 can also be adjusted to adapt to welding guns of different specifications.

[0025] A slide rail 4 is provided on one side of the connection portion 202 corresponding to the welding gun bracket 3. The slide rail 4 is a strip block with a T-shaped cross section. The welding gun bracket 3 is fixedly connected with a slider 5. A strip groove matching the slide rail 4 is provided on the side of the slider 5 facing away from the welding gun bracket 3. The slide rail 4 is slidably connected to the slider 5. The welding gun bracket 3 slides relatively along the slide rail 4 under the drive of the slider 5 to realize the linear motion of the welding gun.

[0026] A reset device 6 is provided between the connection part 202 and the welding gun support 3 to automatically reset the welding gun support 3 after relative displacement. The reset device 6 includes a fixed connection column 601 arranged at the top of the connection part 202 and extending toward one side of the welding gun support 3, and a movable connection column 602 arranged at the top of the welding gun support 3 and extending toward one side of the connection part 202. The fixed connection column 601 and the movable connection column 602 are connected by a reset spring. After the welding gun is manually pressed, the welding gun can automatically retract.

[0027] Working principle: according to actual needs, the support seat 2 is fixed to a specific position of the base 1, and the welding gun is installed in the welding gun bracket 3 and clamped by adjusting the bolts. After the welding gun bracket 3 is fixedly linked with the slider 5, the slider 5 is slidably connected with the slide rail 4, and the fixed connection column 601 and the mobile connection column 602 are connected by the reset spring. The reset spring pulls the mobile connection column 602 to make the welding gun suspended in the air. During operation, the welding gun is pressed to move linearly along the slide rail 4 for stud welding, and then the reset spring pulls the welding gun bracket 3 to return the welding gun to its original position.

[0028] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0030] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of the utility model, and all these changes or substitutions should fall within the protection scope of the claims attached to the utility model.

Claims

1. A stud welding sliding fixing device, a base (1), characterized in that: The invention comprises a support seat (2) fixedly connected to a base (1), wherein the support seat (2) comprises a fixing portion (201), one end of the fixing portion (201) is connected to a long strip-shaped connecting portion (202), one side of the connecting portion (202) is provided with a welding gun bracket (3), and the welding gun bracket (3) slides relatively along the long strip extending direction of the connecting portion (202).

2. The stud welding sliding fixing device according to claim 1, characterized in that: The welding gun bracket (3) comprises a support (301), an upper clamping assembly (302) and a lower clamping assembly (303); the support (301) is connected to the connecting portion (202); a groove for accommodating the welding gun is provided in the middle of the upper clamping assembly (302) and the lower clamping assembly (303); the upper clamping assembly (302) and the lower clamping assembly (303) are fixedly connected to the support (301) to form a U-shaped bracket.

3. The stud welding sliding fixing device according to claim 2, characterized in that: The upper clamping assembly (302) and the lower clamping assembly (303) are both composed of two clamping blocks with grooves connected by bolts, and the grooves in the two clamping blocks are assembled to form a groove for accommodating a welding gun.

4. The stud welding sliding fixing device according to claim 3, characterized in that: The groove formed by the two clamping blocks in the upper clamping assembly (302) is circular, and the groove formed by the two clamping blocks in the lower clamping assembly (303) is arc-shaped.

5. The stud welding sliding fixing device according to claim 2, characterized in that: The support (301) comprises a fixed part and two movable parts, wherein the fixed part is connected to the connecting part (202), and the two movable parts are respectively connected to the upper clamping assembly (302) and the lower clamping assembly (303), the fixed part is provided with at least two threaded holes along the vertical direction, and the movable part is provided with threaded holes corresponding to the fixed part, and the fixed part and the movable part are connected by bolts.

6. The stud welding sliding fixing device according to claim 1, characterized in that: A slide rail (4) is provided on one side of the connection portion (202) corresponding to the welding gun bracket (3); the slide rail (4) is a strip block with a T-shaped cross section; the welding gun bracket (3) is fixedly connected with a slider (5); a strip groove matching the slide rail (4) is provided on a side of the slider (5) facing away from the welding gun bracket (3); the slide rail (4) and the slider (5) are slidably connected.

7. The stud welding sliding fixing device according to claim 1, characterized in that: A resetting device (6) is provided between the connecting portion (202) and the welding gun bracket (3) for automatically resetting the welding gun bracket (3) after relative displacement.

8. The stud welding sliding fixing device according to claim 7, characterized in that: The reset device (6) comprises a fixed connection column (601) arranged at the top of the connection part (202) and extending toward one side of the welding gun support (3), and a movable connection column (602) arranged at the top of the welding gun support (3) and extending toward one side of the connection part (202), wherein the fixed connection column (601) and the movable connection column (602) are connected via a reset spring.

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