A spot welding tool for pipe welding

Abstract

The present application relates to spot welding technology field, specifically to a kind of spot welding tool for pipeline welding, including bottom plate, clamping assembly, adjusting block, welding handle and support assembly;Clamping assembly is installed on the bottom plate, for clamping and adjusting the height of welding handle, the bottom end of welding handle is provided with tungsten needle, and the height of clamping assembly is adjustable;Support assembly is used to support the workpiece to be welded.The present application can be adapted to the spot welding of pipeline pieces of different pipe diameters by the cooperation of support assembly and clamping assembly, reasonable clamping and adjusting the height of welding handle, can be completed by spot welding once, eliminates tungsten clamping, avoids the post-repair work caused by the damage of welded pipeline standard parts, improves the correction efficiency, and standard parts zero scrap.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spot welding, in particular to a spot welding tool for pipeline welding. BACKGROUND

[0002] For spot welding of pipeline, if the distance between the tungsten needle and the pipeline to be welded is not controlled well in the ordinary spot welding mode, the tungsten needle is easily clamped after spot welding. Although it can be repaired, this processing mode invisibly adds a process, increases the working hours and reduces the efficiency. At the same time, because of the repair, the standard parts may also be damaged. SUMMARY

[0003] To solve the above technical problems, the present application provides a spot welding tool for pipeline welding.

[0004] The specific technical solutions are as follows:

[0005] A spot welding tool for pipeline welding, comprising a base plate, a clamping assembly, an adjusting block, a welding handle and a supporting assembly; the clamping assembly is installed on the base plate and used for clamping and adjusting the height of the welding handle, the bottom end of the welding handle is provided with a tungsten needle, and the height of the clamping assembly is adjustable; the supporting assembly is used for supporting the workpiece to be welded.

[0006] The clamping assembly comprises a bracket, a clamping block and an adjusting block; the bracket is installed vertically on one side of the base plate; the clamping block comprises two L-shaped blocks and Z-shaped blocks, a clamping hole is formed between the Z-shaped block and the L-shaped block, the clamping hole accommodates the hand-held part of the clamping welding handle after buckling and is locked by a locking screw A; the adjusting block comprises two left and right blocks which can slide vertically relative to each other, the right block is fixedly connected with the bracket through a locking screw B, and the left block is fixed with the Z-shaped block through a screw.

[0007] The supporting assembly comprises a sliding block and a cushion block, recesses A and B are respectively formed on the upper surfaces of the sliding block and the cushion block, and are used for stably placing the pipe and the adapter of the workpiece to be welded; the sliding block slides on the base plate through a sliding assembly, and the cushion block is fixed on the base plate through a base B.

[0008] The sliding assembly comprises a base A, a sliding seat and a sliding rail, the sliding rail is formed on the base plate, the sliding seat is installed at the bottom of the sliding block, the base A slides with the sliding rail, and the upper surface of the base A is slotted, and the sliding seat is connected in sliding mode in the slot.

[0009] The sliding directions of the sliding seat and the base A are perpendicular to the sliding direction of the base A and the sliding rail.

[0010] The weld seam between the pipe and the adapter is located directly below the tungsten needle.

[0011] The sliding block and the cushion block are respectively provided with lightening openings A and B.

[0012] The recesses A and B are shaped according to the outer shapes of the pipe and the adapter.

[0013] The contact surface of the left block and the right block is processed with a sliding groove in the vertical direction, a lead screw is arranged in the right block, an adjusting knob is matched with the lead screw, and the left block and the right block are adjusted to slide relative to each other in the vertical direction.

[0014] An avoiding opening is arranged at the position corresponding to the weld seam on the groove A.

[0015] Compared with the prior art, the present application has the following beneficial technical effects:

[0016] The present application supports the workpiece to be welded through the supporting assembly, adjusts the welding stick height through the clamping assembly, can adapt to the pipe fitting spot welding of different pipe diameters, can complete spot welding at one time, eliminates the tungsten clamping, avoids the post-repair work caused by the damage of the welded pipe standard part, improves the correction efficiency, and realizes zero scrap of the standard part. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the spot welding tool of the present application Figure 1 ;

[0018] Figure 2 is a schematic diagram of the three-dimensional structure of the spot welding tool of the present application Figure 2 ;

[0019] Figure 3 is a schematic diagram of the use of the spot welding tool of the present application

[0020] Figure 4 is Figure 3 a partial enlarged schematic diagram of position A in FIG. 4;

[0021] In the figure, 1 is a base plate, 11 is a sliding rail, 2 is a support, 3 is a clamping block, 31 is a clamping hole, 32 is a locking screw A, 4 is an adjusting block, 41 is a sliding groove, 42 is a right block, 43 is an adjusting knob, 44 is a locking screw B, 5 is a welding stick, 51 is a tungsten needle, 52 is a hand-held part, 6 is a sliding block, 61 is a base A, 62 is a groove A, 63 is a weight-reducing opening A, 64 is an avoiding opening, 65 is a sliding seat, 7 is a pad block, 71 is a base B, 72 is a groove B, 73 is a weight-reducing opening B, 8 is a workpiece to be welded, 81 is a pipe fitting, 82 is an adapter, and 83 is a weld seam. DETAILED DESCRIPTION

[0022] The present application will be described in detail below with reference to the accompanying drawings, but the protection scope of the present application is not limited by the drawings.

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of the spot welding tool of the present application Figure 1 , Figure 2 is a schematic diagram of the three-dimensional structure of the spot welding tool of the present application Figure 2 , Figure 3A schematic diagram for using the spot welding tool of the present application, Figure 4 A Figure 3 A partial enlarged view at A in the figure,

[0024] The spot welding tool for pipe welding of the present application comprises a base plate 1, a clamping assembly, an adjusting block 4, a welding handle 5 and a supporting assembly; the clamping assembly is installed on the base plate 1 and used for clamping the welding handle 5, the bottom end of the welding handle 5 is provided with a tungsten needle 51, and the clamping assembly is height-adjustable; the supporting assembly is used for supporting the workpiece 8 to be welded. The weld 83 between the pipe 81 and the adapter 82 is located directly below the tungsten needle 51.

[0025] The clamping assembly comprises a bracket 2, a clamping block 3 and the adjusting block 4; the bracket 2 is installed vertically on one side of the base plate 1; the clamping block 3 comprises two L-shaped blocks and Z-shaped blocks, a clamping hole 31 is formed between the Z-shaped block and the L-shaped block, the clamping hole 31 accommodates the hand holding part 52 of the clamping welding handle 5 after buckling and is locked by a locking screw A32; the adjusting block 4 comprises two left and right blocks 42 which can vertically slide relative to each other, the right block 42 is fixedly connected with the bracket 2 through a locking screw B44, and the left block is fixed with the Z-shaped block through a screw. The contact surface of the left and right blocks 42 is processed with a sliding groove 41 in the vertical direction, a lead screw is arranged in the right block 42, an adjusting knob 43 is matched with the lead screw, and the left and right blocks 42 are adjusted to slide relative to each other in the vertical direction.

[0026] The supporting assembly comprises a sliding block 6 and a pad block 7, recesses A62 and B72 are respectively processed on the upper surfaces of the sliding block 6 and the pad block 7, the recesses A62 and B72 are shaped according to the outer shapes of the pipe 81 and the adapter 82, and are used for stably placing the two parts of the pipe 81 and the adapter 82 of the workpiece 8 to be welded, an avoiding opening 64 is formed on the recess A62 corresponding to the position of the weld 83; the sliding block 6 slides on the base plate 1 through a sliding assembly, and the pad block 7 is fixed on the base plate 1 through a base B71. The sliding assembly comprises a base A61, a sliding seat 65 and a sliding rail 11, the sliding rail 11 is formed on the base plate 1, the sliding seat 65 is installed at the bottom of the sliding block 6, the base A61 slides with the sliding rail 11, and the upper surface of the base A61 is slotted, and the sliding seat 65 is connected in sliding connection in the slot. The sliding directions of the sliding seat 65 and the base A61 are perpendicular to the sliding direction of the base A61 and the sliding rail 11.

[0027] The sliding block 6 and the pad block 7 are respectively provided with a weight-reducing opening A63 and a weight-reducing opening B73.

[0028] In use, first slide the slider 6 to make it collinear with the pad 7, and stably place the pipe 81 and adapter 82 of the workpiece 8 to be welded on the recess A62 and recess B72 on the upper surface of the slider 6 and pad 7. Then buckle the Z-shaped block with the L-shaped block of the clamping block 3, clamp the hand-held part 52 of the welding handle 5 and lock it through the locking screw A32, rotate the adjusting knob 43, and under the cooperation of the screw rod, adjust the relative sliding of the left block and right block 42 in the vertical direction, control the up-and-down movement of the welding handle 5, adapt to the welding requirements of different pipe diameters of the workpiece 8 to be welded, so that the weld 83 between the pipe 81 and the adapter 82 is located directly below the tungsten needle 51 for welding. During the spot welding process, the clamping tungsten phenomenon is eliminated, which has high efficiency and eliminates rework and scrap. After welding, hold the welded workpiece, first slide the slider 6 to make it exit, and then take down the workpiece.

Claims

1. A spot welding tool for pipe welding, characterized by: It includes a base plate (1), a clamping assembly, an adjusting block (4), a welding handle (5) and a supporting assembly; the clamping assembly is installed on the base plate (1) and used for clamping and adjusting the height of the welding handle (5), the bottom end of the welding handle (5) is provided with a tungsten needle (51), and the height of the clamping assembly is adjustable; the supporting assembly is used for supporting a workpiece to be welded; The clamping assembly comprises a support (2), a clamping block (3) and the adjusting block (4); the support (2) is vertically installed on one side of the base plate (1); the clamping block (3) comprises two L-shaped blocks and Z-shaped blocks, a clamping hole (31) is formed between the Z-shaped block and the L-shaped block, the hand-held part (52) of the clamping welding handle (5) is accommodated after buckling and locked through a locking screw A (32); the adjusting block (4) comprises two left and right blocks (42) which can vertically slide relative to each other, the right block (42) is fixedly connected with the support (2) through a locking screw B (44), and the left block is fixed with the Z-shaped block through a screw; The contact surfaces of the left and right blocks (42) are machined with sliding grooves (41) in the vertical direction, a lead screw is arranged in the right block (42), an adjusting knob (43) is matched with the lead screw, and the left and right blocks (42) are adjusted to slide relative to each other in the vertical direction.

2. The spot welding tool for tube welding according to claim 1, characterized in that: The supporting assembly comprises a sliding block (6) and a cushion block (7), recesses A (62) and recesses B (72) are respectively machined on the upper surfaces of the sliding block (6) and the cushion block (7), and are used for stably placing two parts of a pipe (81) and an adapter (82) of a workpiece (8) to be welded; the sliding block (6) slides on the base plate (1) through a sliding assembly, and the cushion block (7) is fixed on the base plate (1) through a base B (71).

3. The spot welding tool for tube welding according to claim 2, characterized in that: The sliding assembly comprises a base A (61), a sliding seat (65) and a sliding rail (11), the sliding rail (11) is formed on the base plate (1), the sliding seat (65) is installed at the bottom of the sliding block (6), the base A (61) slides with the sliding rail (11), and the upper surface of the base A (61) is slotted, and the sliding seat (65) is connected in sliding fit in the slot.

4. The spot welding tool for tube welding according to claim 3, characterized in that: The sliding directions of the sliding seat (65) and the base A (61) are perpendicular to the sliding direction of the base A (61) and the sliding rail (11).

5. The spot welding tool for tube welding according to claim 2, characterized in that: The welding seam (83) between the pipe (81) and the adapter (82) is located directly below the tungsten needle (51).

6. The spot welding tool for tube welding according to claim 2, characterized in that: The sliding block (6) and the cushion block (7) are respectively provided with lightening openings A (63) and lightening openings B (73).

7. The spot welding tool for tube welding according to claim 2, characterized in that: The recesses A (62) and the recesses B (72) are profiled with the pipe (81) and the adapter (82).

8. The spot welding tool for tube welding according to claim 2, characterized in that: An avoiding opening (64) is formed on the recess A (62) at a position corresponding to the welding seam (83).

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