A fixing device for pipe welding

Abstract

The utility model relates to pipeline welding technical field provides a kind of fixing device for pipeline welding, including two pedestals, the top of one pedestal is equipped with first positioning assembly and second positioning assembly, the side of first positioning assembly is fixedly connected with first abutting assembly, the side of second positioning assembly is fixedly connected with second abutting assembly, the top of another pedestal is equipped with third positioning assembly, the side of third positioning assembly is fixedly connected with third abutting assembly;First abutting assembly, second abutting assembly and third abutting assembly all include the abutting cylinder being equipped with connecting plate, the output shaft of abutting cylinder is hinged with abutting rod, the end of abutting rod away from abutting cylinder is equipped with abutting block, the side of abutting rod close to abutting cylinder is hinged with H-shaped connecting rod, H-shaped connecting rod is hinged with connecting plate.The utility model can adapt to different shape and size pipeline, and guarantee the stability and accuracy of the pipeline to be welded in welding process.

Description

Technical Field

[0001] This utility model relates to the field of pipeline welding technology, specifically a fixing device for pipeline welding. Background Technology

[0002] In the welding production of irregular tube components, it is difficult to position them due to their special shape. Generally, manual assistance is used to complete the task. However, due to the instability and limitations of manual labor, it is difficult to achieve accurate positioning. As a result, the dimensional deviation of irregular tubes after welding is large. At the same time, manual positioning takes a long time, which makes it impossible to improve welding efficiency.

[0003] The utility model patent with publication number CN206263495U discloses a welding fixture for irregularly shaped pipes, including a base plate, a pipe support on the base plate, two uprights on one side of the base plate, each upright being fitted with a sliding sleeve that can slide up and down, a guide plate with a sliding groove connected between the two sliding sleeves, a slider that can move along the sliding groove on the guide plate, a first connecting rod fixedly connected to the slider, a second connecting rod rotatably connected to the end of the first connecting rod through a rotating mechanism I, a third connecting rod rotatably connected to the end of the second connecting rod through a rotating mechanism II, and a pipe clamp connected to the end of the third connecting rod.

[0004] Although the invention of the above structure saves workers time in fixing irregular tubes and improves work efficiency, the tooling needs to be adjusted before use. The tooling is highly movable, which causes low stability after the irregular tubes are clamped, gaps easily appear at the fixing point, and low welding accuracy. Utility Model Content

[0005] This invention proposes a pipe welding fixing device that can adapt to pipes of different shapes and sizes and ensure the accuracy and stability of the welding process, in order to solve the problems of low stability and low welding accuracy of existing devices during welding.

[0006] A pipe welding fixing device includes two bases. The top surface of one base is provided with a first positioning component and a second positioning component. A first clamping component is fixedly connected to one side of the first positioning component, and a second clamping component is fixedly connected to one side of the second positioning component. The top surface of the other base is provided with a third positioning component, and a third clamping component is fixedly connected to one side of the third positioning component.

[0007] The first, second, and third clamping components all include a clamping cylinder with a connecting plate. The output shaft of the clamping cylinder is hinged to a clamping rod. A clamping block is provided at the end of the clamping rod away from the clamping cylinder. An H-shaped connecting rod is hinged to the side of the clamping rod near the clamping cylinder. The H-shaped connecting rod is hinged to the connecting plate.

[0008] With the above structure, the base can provide support for the entire device. The first clamping component, the second clamping component and the third clamping component are used to ensure the stability of the pipe to be welded. The first positioning component, the second positioning component and the third positioning component are used to ensure the accuracy of the welding position of the pipe to be welded. This structural design enables the present invention to adapt to pipes of different shapes and sizes and to ensure the accuracy and stability during the welding process.

[0009] To secure the irregularly shaped pipe, the first positioning component includes a support frame fixed to the top surface of the base. A first mounting plate is fixedly connected to the top surface of the support frame. First placement grooves are fixedly connected to both ends of the first mounting plate. The middle part of the top surface of the support frame is fixedly connected to the connecting plate of the first abutting component.

[0010] To provide support for the middle section of the irregularly shaped pipe, a fourth positioning component is provided on the base between the first positioning component and the second positioning component, the fourth positioning component including a fourth placement groove.

[0011] To ensure the stability of the pipe to be welded during the welding process, both the first and fourth placement grooves are U-shaped grooves. The two side walls and the bottom surface of the U-shaped groove are provided with pad assembly. The pad assembly includes an elastic pad and a pad. One side of the elastic pad is fixedly connected to the pad, and the other side is fixedly connected to the U-shaped groove.

[0012] To ensure the stability of the pipe to be welded during the welding process, the second positioning component includes a second mounting plate fixed to the top surface of the base. One end of the second mounting plate is fixedly connected to a second placement groove, and one side of the second mounting plate is fixedly connected to the connecting plate of the second abutting component.

[0013] The third positioning component includes a third mounting plate fixed to the top surface of another base. One end of the third mounting plate is fixedly connected to a third placement groove, and one side of the third mounting plate is fixedly connected to the connecting plate of the third abutting component.

[0014] Preferably, the second placement groove is an arc-shaped groove, and the third placement groove is an annular groove.

[0015] To ensure the stability of the pipe to be welded during the welding process, the third mounting plate is provided with a pipe bending positioning assembly. The pipe bending positioning assembly includes an L-shaped bracket, a positioning plate is fixedly connected to the top of the L-shaped bracket, and a positioning ring is fixedly connected to the side of the positioning plate near the third placement groove.

[0016] After adopting the above technical solution, the beneficial effects of this utility model are:

[0017] The pipe welding fixing device provided by this utility model has a base that provides support for the entire pipe welding fixing device. It has a first clamping component, a second clamping component, and a third clamping component to ensure the stability of the pipe to be welded. It also has a first positioning component, a second positioning component, and a third positioning component to ensure the accuracy of the welding position of the pipe to be welded. The pipe welding fixing device provided by this utility model can adapt to pipes of different shapes and sizes and ensure the accuracy and stability during the welding process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is the front view of this utility model;

[0020] Figure 3 This is a rear view of the present invention;

[0021] Figure 4 This is a structural schematic diagram of the first positioning component and the first abutting component;

[0022] Figure 5 This is a rear view of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the first positioning component.

[0024] Wherein: 1-base; 2-first positioning component; 21-support frame; 22-first placement groove; 23-elastic gasket; 24-pad block; 3-first pressing component; 31-pressing cylinder; 32-connecting plate; 33-pressing rod; 34-H-shaped connecting rod; 35-pressing block; 4-second positioning component; 41-second placement groove; 5-second pressing component; 6-third positioning component; 61-third placement groove; 7-third pressing component; 8-fourth placement groove; 9-bent pipe positioning component; 91-L-shaped bracket; 92-positioning piece; 93-positioning ring. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] The orientations mentioned in this specification are based on the orientation of this utility model during normal operation, and do not limit its orientation during storage and transportation. They only represent relative positional relationships and do not represent absolute positional relationships.

[0027] like Figure 1-6As shown, a pipe welding fixing device includes two bases 1. The top surface of one base 1 is provided with a first positioning component 2 and a second positioning component 4. A first clamping component 3 is fixedly connected to one side of the first positioning component 2, and a second clamping component 5 is fixedly connected to one side of the second positioning component 4. The top surface of the other base 1 is provided with a third positioning component 6, and a third clamping component 7 is fixedly connected to one side of the third positioning component 6. The two bases 1 can provide support for the entire device, and the arrangement of the two bases 1 makes the entire device more flexible. The first positioning component 2, the second positioning component 4, and the third positioning component 6 are used to ensure the accuracy of the welding position of the pipe to be welded.

[0028] The first clamping assembly 3, the second clamping assembly 5, and the third clamping assembly 7 all include a clamping cylinder 31 with a connecting plate 32. The output shaft of the clamping cylinder 31 is hinged to a clamping rod 33. A clamping block 35 is provided at the end of the clamping rod 33 away from the clamping cylinder 31. An H-shaped connecting rod 34 is hinged to the side of the clamping rod 33 near the clamping cylinder 31. The H-shaped connecting rod 34 is hinged to the connecting plate 32. The first clamping assembly 3, the second clamping assembly 5, and the third clamping assembly 7 are used to ensure the stability of the pipe to be welded.

[0029] The first positioning component 2 includes a support frame 21 fixed to the top surface of the base 1. A first mounting plate is fixedly connected to the top surface of the support frame 21. A first placement groove 22 is fixedly connected to both ends of the first mounting plate. The middle part of the top surface of the support frame 21 is fixedly connected to the connecting plate 32 of the first abutting component 3. The first abutting component 3 and the first positioning component 2 cooperate to fix one of the pipes to ensure the stability of the pipe to be welded.

[0030] A fourth positioning component is provided on the base 1 between the first positioning component 2 and the second positioning component 4. The fourth positioning component includes a fourth placement groove 8, which provides support for the middle section of the irregular pipe.

[0031] Both the first placement groove 22 and the fourth placement groove 8 are U-shaped grooves. The two side walls and the bottom surface of the U-shaped groove are provided with pad block 24 assemblies. The pad block 24 assembly includes an elastic pad 23 and a pad block 24. One side of the elastic pad 23 is fixedly connected to the pad block 24, and the other side is fixedly connected to the U-shaped groove.

[0032] The second positioning component 4 includes a second mounting plate fixed to the top surface of a base 1. One end of the second mounting plate is fixedly connected to a second placement groove 41. Specifically, the second placement groove 41 is an arc-shaped groove used to place one of the pipes to be welded. One side of the second mounting plate is fixedly connected to the connecting plate 32 of the second abutting component 5. The third positioning component 6 includes a third mounting plate fixed to the top surface of another base 1. One end of the third mounting plate is fixedly connected to a third placement groove 61. Specifically, the third placement groove 61 is an annular groove used to place another pipe to be welded. One side of the third mounting plate is fixedly connected to the connecting plate 32 of the third abutting component 7.

[0033] The third mounting plate is provided with a pipe bending positioning component 9, which includes an L-shaped bracket 91. A positioning piece 92 is fixedly connected to the top of the L-shaped bracket 91. A positioning ring 93 is fixedly connected to the side of the positioning piece 92 near the third placement groove 61. The positioning ring 93 fixes one of the pipes to be welded, ensuring the stability of the pipe to be welded during the welding process.

[0034] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A fixing device for pipe welding, comprising two bases, characterized in that, A base has a first positioning component and a second positioning component on its top surface. A first abutting component is fixedly connected to one side of the first positioning component, and a second abutting component is fixedly connected to one side of the second positioning component. A third positioning component is provided on the top surface of another base, and a third abutting component is fixedly connected to one side of the third positioning component. The first, second, and third clamping components all include a clamping cylinder with a connecting plate. The output shaft of the clamping cylinder is hinged to a clamping rod. A clamping block is provided at the end of the clamping rod away from the clamping cylinder. An H-shaped connecting rod is hinged to the side of the clamping rod near the clamping cylinder. The H-shaped connecting rod is hinged to the connecting plate.

2. The fixing device for pipe welding according to claim 1, characterized in that, The first positioning component includes a support frame fixed to the top surface of the base, a first mounting plate fixedly connected to the top surface of the support frame, a first placement groove fixedly connected to both ends of the first mounting plate, and a connecting plate of the first abutting component fixedly connected to the middle of the top surface of the support frame.

3. The fixing device for pipe welding according to claim 1, characterized in that, A fourth positioning component is provided on the base between the first positioning component and the second positioning component, and the fourth positioning component includes a fourth placement slot.

4. A fixing device for pipe welding according to claim 2, characterized in that, Both the first and fourth placement slots are U-shaped slots. The two side walls and the bottom surface of the U-shaped slots are provided with pad assembly. The pad assembly includes an elastic pad and a pad. One side of the elastic pad is fixedly connected to the pad and the other side is fixedly connected to the U-shaped slot.

5. A fixing device for pipe welding according to claim 1, characterized in that, The second positioning component includes a second mounting plate fixed to the top surface of the base, one end of the second mounting plate is fixedly connected to a second placement groove, and one side of the second mounting plate is fixedly connected to the connecting plate of the second abutting component; The third positioning component includes a third mounting plate fixed to the top surface of another base. One end of the third mounting plate is fixedly connected to a third placement groove, and one side of the third mounting plate is fixedly connected to the connecting plate of the third abutting component.

6. A fixing device for pipe welding according to claim 5, characterized in that, The second placement groove is an arc-shaped groove, and the third placement groove is an annular groove.

7. A fixing device for pipe welding according to claim 5, characterized in that, The third mounting plate is provided with a bend pipe positioning assembly, which includes an L-shaped bracket. A positioning piece is fixedly connected to the top of the L-shaped bracket, and a positioning ring is fixedly connected to the side of the positioning piece near the third placement slot.

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