Electrode holder support

Abstract

An electrode holder support belongs to the technical field of welding frames and comprises a base, two supporting arms are fixedly mounted on the base in a bilateral symmetry mode, first moving frames are fixedly mounted at the ends of the supporting arms and are parallel to the base, moving plates are arranged between the two first moving frames through guide assemblies, and clamping units are arranged on the two moving plates respectively. A double-point positioning mode is adopted, the problem that follow-up workpieces are inclined or shifted due to single-point positioning is avoided, the stability of the workpieces after positioning can be better guaranteed, the welding tongs support is more practical in use, relative movement of the two movable plates is synchronously achieved under the action of the air cylinder, and the working efficiency is improved. According to the clamping device, the moving synchronism of the two moving plates is guaranteed while power is saved, different types of clamping assemblies are arranged in a targeted mode according to different types of workpieces so as to flexibly meet the clamping and positioning requirements of the workpieces in different shapes, and it is guaranteed that the workpieces in different shapes can be stably clamped through the welding tongs support.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding frames, and particularly relates to a welding tongs bracket. Background Art

[0002] A welding tongs is a commonly used welding tool for fixing and operating welding materials. In order to better put it into use and protect the safety of workers, provide stable support during the welding process, and enable welders to perform welding operations more conveniently and accurately, a welding tongs bracket is needed to assist the supporting function during the welding process.

[0003] In the related art (publication number: CN220659700U), a welding tongs bracket is disclosed. First, a fixed block is clamped onto a first adjusting rod, and then a first gear drives a first rack to move through a first rotating buckle, and then drives a first fixing rod, a transmission rod, and a fixing jig to move, achieving the effect of installing a welding jig and solving the problem of inconvenient disassembly and assembly.

[0004] However, when the above welding tongs bracket is used, it usually can only perform single-point positioning, that is, the welding tongs bracket is in single-point contact with the workpiece. During the welding process, it is easy to cause the workpiece to tilt or displace relative to the welding tongs bracket, affecting the stability of the workpiece during the welding process. Summary of the Utility Model

[0005] Aiming at the problem that the welding tongs bracket in the prior art is in single-point contact with the workpiece, which is likely to cause the workpiece to tilt or displace relative to the welding tongs bracket during the welding process and affect the stability of the workpiece during the welding process, the utility model provides a welding tongs bracket, which adopts a double-point positioning method to avoid the problem of subsequent tilting or displacement of the workpiece caused by single-point positioning, and can better ensure the stability of the workpiece after positioning. The welding tongs bracket is more practical when in use. With the action of a cylinder, the relative movement of two moving plates is synchronously realized, saving power while ensuring the synchronism of the movement of the two moving plates and ensuring that the moving distances of the two moving plates are equal. The specific technical solution is as follows:

[0006] A welding tongs bracket includes a base. Two support arms are fixedly installed on the base symmetrically left and right. A first moving frame is fixedly installed at the end of the support arm. The first moving frame is arranged parallel to the base. A moving plate is arranged between the two first moving frames through a guiding component. Clamping units are respectively arranged on the two moving plates. A second moving frame is respectively installed at the bottom end of each moving plate. One end of a driving rod is rotatably connected to each second moving frame. An installation plate is installed on the front side of the base. A cylinder is installed on the installation plate. The output end of the cylinder is connected to a driving plate, and the other ends of the two driving rods are rotatably connected to the driving plate;

[0007] The two driving rods are arranged symmetrically with respect to the center line of the base, and the two moving plates are arranged symmetrically with respect to the center line of the base.

[0008] In the above technical solution, the guide assembly includes two limit seats fixedly installed on each of the first movable frames, the two limit seats are symmetrically arranged front and back relative to the first movable frame, a limit rod is slidably arranged in each limit seat, and the limit rod is fixedly connected to the side wall of the movable plate.

[0009] In the above technical solution, two limit grooves are provided on the base in the horizontal direction, and limit blocks are slidably embedded in the two limit grooves respectively, and the limit blocks are fixedly installed below the second movable frame.

[0010] In the above technical solution, the two groups of clamping units are symmetrically arranged on the left and right, and each group of clamping units includes a vertical plate installed on the movable plate, a rotating shaft is horizontally penetrated and rotatably arranged on the upper edge of the vertical plate, a first disc is fixedly installed on the side of the rotating shaft close to the middle of the base, three groups of connecting arms are equidistantly arranged on the side wall of the first disc along the circumferential direction, a support rod is respectively installed on the side of each connecting arm close to the middle of the base, and a first clamping assembly, a second clamping assembly, and a third clamping assembly are respectively arranged at the end of each support rod.

[0011] In the above technical solution, the first clamping assembly includes a first positioning seat installed on the end of one of the support rods.

[0012] In the above technical solution, the second clamping assembly includes a second positioning seat installed on the other end of the support rod, and a plurality of strip grooves are formed on the side wall of the second positioning seat.

[0013] In the above technical solution, the third clamping assembly includes a third positioning seat installed on the end of the remaining support rod, and a blind hole is opened at the end of the third positioning seat.

[0014] In the above technical solution, a second disc is fixedly installed on the side of the rotating shaft away from the middle of the base, a positioning bolt is threadedly penetrated on the second disc, a butterfly nut is threadedly sleeved on the positioning bolt, three insertion holes are opened on the side wall of the vertical plate, and the three insertion holes are equidistantly arranged relative to the circumference of the rotating shaft, and the positioning bolt is threadedly sleeved in the inner cavity of one of the insertion holes.

[0015] In the above technical solution, frames are symmetrically arranged on the left and right sides of the bottom end of the base.

[0016] Compared with the prior art, the welding clamp bracket of the utility model has the following beneficial effects:

[0017] 1. Regarding the problem that the welding clamp bracket contacts the workpiece at a single point, during the welding process, it is easy to cause the workpiece to tilt or displace relative to the welding clamp bracket, affecting the stability of the workpiece during the welding process. The utility model can clamp and position the two ends of the workpiece through two moving plates that move towards the middle. Compared with the traditional single-point contact positioning method, the utility model adopts a double-point positioning method, avoiding the problem of tilt or displacement of the subsequent workpiece caused by single-point positioning, and being more able to ensure the stability of the workpiece after positioning, making the welding clamp bracket more practical in use;

[0018] 2. The utility model can drive the two moving plates to move synchronously towards the middle through a cylinder, a driving plate, and a driving rod. With the action of the cylinder, the relative movement of the two moving plates is realized synchronously. While saving power, the synchronism of the movement of the two moving plates is ensured, and the moving distances of the two moving plates are equal, ensuring that the two moving plates after adjusting the relative distance are still symmetrically arranged left and right relative to the base, so that the workpiece positioned between the two moving plates is located in the middle of the base. By corresponding the base with the welding head of the welding equipment, the middle part of the positioned workpiece can be made to correspond to the position of the welding head of the welding equipment;

[0019] 3. The utility model can limit the moving direction of the moving plate to the horizontal direction by setting a limit seat and a limit rod, ensuring that the moving plate always moves horizontally;

[0020] 4. The utility model can clamp and position the left and right ends of the strip-shaped welding component through the corresponding left and right groups of first positioning seats, can clamp and position the left and right ends of the sheet-shaped welding component through the corresponding left and right groups of second positioning seats and the strip-shaped grooves, and can clamp and position the left and right ends of the cylindrical welding component through the left and right groups of third positioning seats and the blind holes. The utility model is specifically provided with different types of clamping components for different types of workpieces to flexibly adapt to the clamping and positioning requirements of workpieces with different shapes, ensuring that workpieces with different shapes can all be stably clamped by means of the welding clamp bracket;

[0021] In summary, the utility model adopts a double-point positioning method, avoiding the problem of tilt or displacement of the subsequent workpiece caused by single-point positioning, being more able to ensure the stability of the workpiece after positioning, making the welding clamp bracket more practical in use. With the action of the cylinder, the relative movement of the two moving plates is realized synchronously. While saving power, the synchronism of the movement of the two moving plates is ensured, and the moving distances of the two moving plates are equal, ensuring that the two moving plates after adjusting the relative distance are still symmetrically arranged left and right relative to the base. In addition, different types of clamping components are specifically provided for different types of workpieces to flexibly adapt to the clamping and positioning requirements of workpieces with different shapes, ensuring that workpieces with different shapes can all be stably clamped by means of the welding clamp bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic structural diagram of the base of the present utility model;

[0023] Figure 2 This is a schematic structural diagram of the limiting groove of the present utility model;

[0024] Figure 3 is Figure 2 an enlarged view of part A in;

[0025] Figure 4 is Figure 2 an enlarged view of part B in;

[0026] Figures 1 to 4 In, 1. Base, 2. Support arm, 3. First moving frame, 4. Limiting seat, 5. Limiting rod, 6. Moving plate, 7. Second moving frame, 8. Limiting groove, 9. Limiting block, 10. Driving rod, 11. Mounting plate, 12. Cylinder, 13. Driving plate, 14. Vertical plate, 15. Rotating shaft, 16. First disc, 17. Connecting arm, 18. Support rod, 19. First positioning seat, 20. Second positioning seat, 21. Strip-shaped groove, 22. Third positioning seat, 23. Blind hole, 24. Jack, 25. Second disc, 26. Positioning bolt, 27. Wing nut, 28. Frame body. Specific embodiments

[0027] The following combines specific implementation cases and attached Figures 1 to 4 to further illustrate the present utility model, but the present utility model is not limited to these embodiments.

[0028] Refer to Figures 1 to 4 As shown, a welding clamp bracket includes a base 1, two support arms 2 are fixedly installed symmetrically left and right on the base 1, a first moving frame 3 is fixedly installed at the end of the support arm 2, the first moving frame 3 is arranged parallel to the base 1, a moving plate 6 is arranged between the two first moving frames 3 through a guiding component, clamping units are respectively arranged on the two moving plates 6, when the two moving plates 6 move towards the middle, it can assist the clamping unit to clamp and position the subsequent workpiece. A second moving frame 7 is respectively installed at the bottom end of each moving plate 6, one end of a driving rod 10 is rotatably connected to each second moving frame 7 through a bearing, an installation plate 11 is installed on the front side of the base 1, a cylinder 12 is installed on the installation plate 11, the output end of the cylinder 12 is connected to a driving plate 13, and the other ends of the two driving rods 10 are rotatably connected to the driving plate 13 through bearings; wherein, the two driving rods 10 are symmetrically arranged left and right with respect to the center line of the base 1, and the two moving plates 6 are symmetrically arranged left and right with respect to the center line of the base 1. By driving the two moving plates 6 to move synchronously towards the middle by the two driving rods 10 moving towards the middle, the two moving plates 6 can be made to move synchronously towards the middle to clamp and position the workpiece.

[0029] Mainly refer to Figure 1As shown in the figure, the guiding component includes two limiting seats 4 fixedly installed on each first moving frame 3. The two limiting seats 4 are symmetrically arranged before and after with respect to the first moving frame 3. A limiting rod 5 is slidably arranged in each limiting seat 4, and the limiting rod 5 is fixedly connected to the side wall of the moving plate 6. When the moving plate 6 moves, it can drive the limiting rod 5 to move along the inner cavity of the limiting seat 4, and the moving direction of the moving plate 6 can be restricted to the horizontal direction, ensuring that the moving plate 6 always moves horizontally; two limiting grooves 8 are opened in the base 1 along the horizontal direction, and limiting blocks 9 are respectively slidably embedded in the two limiting grooves 8. The limiting blocks 9 are fixedly installed below the second moving frame 7. By driving the driving plate 13 forward by the opened cylinder 12, the front ends of the two driving rods 10 can be synchronously moved forward, and the rear ends of the two driving rods 10 can be moved closer to each other. At this time, the limiting blocks 9 at the bottom ends of the two driving rods 10 respectively move closer to each other along the inner cavities of the corresponding limiting grooves 8. By moving the two driving rods 10 closer to each other, the two second moving frames 7 and the moving plate 6 are realized.

[0030] Mainly refer to Figure 1 、 Figure 3 and Figure 4 As shown in the figure, the two sets of clamping units are symmetrically arranged left and right. Each set of clamping units includes a vertical plate 14 installed on the moving plate 6. A rotating shaft 15 is horizontally penetrated and rotatably arranged on the vertical plate 14 through a bearing. A first disc 16 is fixedly installed on one side of the rotating shaft 15 close to the middle of the base 1. Three groups of connecting arms 17 are equidistantly arranged along the circumferential direction on the side wall of the first disc 16. A support rod 18 is respectively installed on one side of each connecting arm 17 close to the middle of the base 1. The end parts of each support rod 18 are respectively provided with a first clamping component, a second clamping component, and a third clamping component. By rotating the rotating shaft 15, the first clamping component, the second clamping component, and the third clamping component on the first disc 16 can be rotationally adjusted to select a suitable clamping component above the first disc 16 for subsequent workpiece support and positioning.

[0031] Mainly refer to Figure 3 and Figure 4 As shown in the figure, the first clamping component includes a first positioning seat 19 installed at the end of one of the support rods 18. By corresponding the left and right two groups of first positioning seats 19, the left and right ends of the strip-shaped welding component can be clamped and positioned; the second clamping component includes a second positioning seat 20 installed at the end of the other support rod 18. A plurality of strip-shaped grooves 21 are opened on the side wall of the second positioning seat 20. By corresponding the left and right two groups of second positioning seats 20 and the strip-shaped grooves 21, the left and right ends of the thin sheet-shaped welding component can be clamped and positioned; the third clamping component includes a third positioning seat 22 installed at the end of the remaining support rod 18. A blind hole 23 is opened at the end of the third positioning seat 22. By the left and right two groups of third positioning seats 22 and the blind hole 23, the left and right ends of the cylindrical welding component can be clamped and positioned.

[0032] Main references Figure 4 As shown, a second disc 25 is fixedly installed on the side of the rotating shaft 15 away from the middle of the base 1, a positioning bolt 26 is threadedly provided on the second disc 25, a butterfly nut 27 is threadedly sleeved on the positioning bolt 26, three insertion holes 24 are opened on the side wall of the vertical plate 14, and the three insertion holes 24 are equidistantly arranged in the circumferential direction relative to the rotating shaft 15, and the positioning bolt 26 is threadedly sleeved in the inner cavity of one of the insertion holes 24;

[0033] The butterfly nut 27 is rotated to cause it to disengage from the outer wall of the positioning bolt 26, and the positioning bolt 26 is screwed out of the corresponding inner cavity of the socket 24 at this time, and the second disk 25 is rotated to drive the rotating shaft 15 and the first disk 16 to rotate synchronously, so as to cause the first positioning seat 19, the second positioning seat 20, and the third positioning seat 22 on the first disk 16 to adjust the position, and after selecting a suitable clamping component to cause it to rotate to the position above the first disk 16, the positioning bolt 26 is rotated back into the corresponding inner cavity of the socket 24 at this time, and the butterfly nut 27 is screwed back into the end of the positioning bolt 26 to realize the positioning of the rotating shaft 15 after the rotation position, that is, to achieve the stability of the position of the first disk 16, the first positioning seat 19, the second positioning seat 20, and the third positioning seat 22 after the rotation position.

[0034] In addition, see Figure 1 As shown, frames 28 are symmetrically arranged on the left and right sides of the bottom of the base 1. The frames 28 can keep a certain distance between the base 1 and the workbench surface, ensuring that the workpiece has enough space from the workbench surface for operation after positioning.

[0035] It is worth noting that the cylinder 12 used in the present application is a self-locking cylinder commonly used on the market, and its output end can stay at any position and be locked; the above-mentioned existing components will not be described in detail here.

[0036] The working principle of a welding clamp bracket in this embodiment is as follows:

[0037] The butterfly nut 27 is rotated to cause it to disengage from the outer wall of the positioning bolt 26, and the positioning bolt 26 is screwed out of the corresponding inner cavity of the socket 24 at this time, and the second disc 25 is rotated to drive the rotating shaft 15 and the first disc 16 to rotate synchronously, so as to cause the first positioning seat 19, the second positioning seat 20, and the third positioning seat 22 on the first disc 16 to adjust the position, and after selecting a suitable clamping component to cause it to rotate to the position above the first disc 16, the positioning bolt 26 is rotated back into the corresponding inner cavity of the socket 24 at this time, and the butterfly nut 27 is screwed back into the end of the positioning bolt 26 to realize the positioning of the rotating shaft 15 after the rotation position, that is, to realize the stability of the positions of the first disc 16, the first positioning seat 19, the second positioning seat 20, and the third positioning seat 22 after the rotation position;

[0038] The human hand supports the workpiece between the two vertical plates 14. Appropriately select a clamping assembly in advance to align with the left and right ends of the workpiece. Drive the driving plate 13 to move forward by the activated cylinder 12, so as to prompt the front ends of the two driving rods 10 to move forward synchronously, and to prompt the rear ends of the two driving rods 10 to move closer to each other. At this time, the limit blocks 9 at the bottom ends of the two driving rods 10 move closer to each other along the inner cavities of the corresponding limit grooves 8 respectively. By moving the two driving rods 10 closer to each other, the two second moving frames 7, the moving plate 6 and the vertical plates 14 are synchronously moved closer, and the clamping assembly between the two vertical plates 14 clamps and positions the two ends of the workpiece.

[0039] The utility model adopts a double-point positioning method to avoid the problems of subsequent inclination or displacement of the workpiece caused by single-point positioning, and can better ensure the stability of the workpiece after positioning. The welding torch support is more practical when in use. With the action of the cylinder 12, the relative movement of the two moving plates 6 is synchronously realized, saving power while ensuring the synchronism of the movement of the two moving plates 6, and ensuring that the moving distances of the two moving plates 6 are equal, ensuring that the two moving plates 6 after adjusting the relative distance are still symmetrically arranged relative to the base 1. In addition, different types of clamping assemblies are specifically set for different types of workpieces to flexibly adapt to the clamping and positioning requirements of workpieces with different shapes, ensuring that workpieces with different shapes can be stably clamped by means of the welding torch support.

[0040] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, various modifications and changes can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A welding tongs bracket, comprising a base (1), characterized in that, On the base (1), two support arms (2) are fixedly installed symmetrically left and right. At the end of the support arm (2), a first moving frame (3) is fixedly installed. The first moving frame (3) is arranged parallel to the base (1). Between the two first moving frames (3), a moving plate (6) is arranged through a guiding component. Clamping units are respectively arranged on the two moving plates (6). At the bottom end of each moving plate (6), a second moving frame (7) is respectively installed. One end of a driving rod (10) is rotatably connected to each second moving frame (7). On the front side of the base (1), a mounting plate (11) is installed. On the mounting plate (11), a cylinder (12) is installed. The output end of the cylinder (12) is connected to a driving plate (13), and the other ends of the two driving rods (10) are rotatably connected to the driving plate (13). Among them, the two driving rods (10) are symmetrically arranged left and right with respect to the center line of the base (1), and the two moving plates (6) are symmetrically arranged left and right with respect to the center line of the base (1).

2. The welding tongs bracket according to claim 1, wherein: The guiding component includes two limit seats (4) fixedly installed on each first moving frame (3). The two limit seats (4) are symmetrically arranged front and back with respect to the first moving frame (3). A limit rod (5) is slidably arranged in each limit seat (4), and the limit rod (5) is fixedly connected to the side wall of the moving plate (6).

3. A welding tongs bracket according to claim 1, characterized in that: On the base (1), two limit grooves (8) are horizontally opened, and limit blocks (9) are respectively and slidably embedded in the two limit grooves (8). The limit blocks (9) are fixedly installed below the second moving frame (7).

4. A welding tongs bracket according to claim 1, characterized in that: The two groups of clamping units are symmetrically arranged left and right. Each group of clamping units includes a vertical plate (14) installed on the moving plate (6). A rotating shaft (15) is horizontally penetrated and rotatably arranged on the vertical plate (14). On one side of the rotating shaft (15) close to the middle of the base (1), a first disc (16) is fixedly installed. Three connecting arms (17) are equidistantly arranged along the circumferential direction on the side wall of the first disc (16). On one side of each connecting arm (17) close to the middle of the base (1), a support rod (18) is respectively installed. At the end of each support rod (18), a first clamping component, a second clamping component, and a third clamping component are respectively arranged.

5. The welding tongs bracket according to claim 4, characterized in that: The first clamping component includes a first positioning seat (19) installed at the end of one of the support rods (18).

6. The welding tongs bracket according to claim 4, characterized in that: The second clamping component includes a second positioning seat (20) installed at the end of the other support rod (18). A plurality of strip-shaped grooves (21) are opened on the side wall of the second positioning seat (20).

7. The welding tongs bracket according to claim 4, characterized in that: The third clamping component includes a third positioning seat (22) installed at the end of the remaining support rod (18). A blind hole (23) is opened at the end of the third positioning seat (22).

8. The welding tongs bracket according to claim 4, wherein: A second disc (25) is fixedly mounted on one side of the rotating shaft (15) away from the middle of the base (1); a positioning bolt (26) is threadedly provided on the second disc (25); a butterfly nut (27) is threadedly sleeved on the positioning bolt (26); three insertion holes (24) are opened on the side wall of the vertical plate (14); the three insertion holes (24) are equidistantly arranged in the circumferential direction relative to the rotating shaft (15); and the positioning bolt (26) is threadedly sleeved in the inner cavity of one of the insertion holes (24).

9. The welding tongs bracket according to claim 1, wherein: Frames (28) are symmetrically arranged on the left and right sides of the bottom end of the base (1).

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