Auxiliary alignment device for pipe fitting connection spot welding fixation

Abstract

The utility model discloses an auxiliary alignment device for pipe fitting connection spot welding fixation, relates to the technical field of welding auxiliary equipment, and can solve the problems that pipe fittings are not coaxial easily and are not high in quality during connection spot welding of the existing pipe fittings. The auxiliary alignment device for pipe fitting connection spot welding fixation comprises two pipe fitting clamping mechanisms which are the same in structure and used for clamping a pipe fitting main body, a workbench and a connection driver used for driving the two pipe fitting clamping mechanisms to move relatively in the axial direction of the pipe fitting main body. The pipe fitting clamping mechanisms are in sliding connection with the workbench in the axial direction of the pipe fitting main body, each pipe fitting clamping mechanism comprises a bearing assembly used for bearing the pipe fitting main body, and the bearing assemblies of the two pipe fitting clamping mechanisms comprise arc-shaped bearing frames which are located at the same horizontal height and distributed in the axial direction of the pipe fitting main body; the pipe fitting clamping mechanism further comprises two clamping plates located on the two sides of the bearing assembly respectively and a clamping drive used for driving the two clamping plates to move relatively.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field, concretely relates to a kind of auxiliary alignment device for pipe fitting connection point welding fixation. BACKGROUND

[0002] In pipeline connection welding, currently, one of the pipe fittings is fixed first, and then the other pipe fitting is manually moved to align the two pipe fittings, keep the relative stability of the two pipe fittings, and then manually or using equipment to perform full welding after mutual fixation of the two pipe fittings by spot welding along the circumference of the pipe fittings.

[0003] However, in the process of connection point welding fixation, it is difficult to ensure the coaxiality of the two pipe fittings, and the axis of the two pipe fittings is prone to deviation and misalignment, resulting in problems of misalignment and low quality of the pipe fittings after welding.

[0004] Therefore, it is necessary to design an auxiliary alignment device for pipe fitting connection point welding fixation to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide an auxiliary alignment device for pipe fitting connection point welding fixation to solve the problem of misalignment of the axis of the two pipe fittings during connection point welding, resulting in misalignment and low quality of the pipe fittings after full welding.

[0006] To solve the above technical problems, the utility model adopts the following scheme:

[0007] The present application provides an auxiliary alignment device for pipe fitting connection point welding fixation, which includes two pipe fitting clamping mechanisms with the same structure for clamping pipe bodies, a workbench, and a connection drive for driving the two pipe fitting clamping mechanisms to move axially relative to the pipe bodies.

[0008] The pipe fitting clamping mechanism includes a bearing assembly for bearing the pipe body, and the bearing assemblies of the two pipe fitting clamping mechanisms include arc-shaped bearing brackets located at the same horizontal height and distributed axially along the pipe body.

[0009] The pipe fitting clamping mechanism further includes two clamping plates located on both sides of the bearing assembly and a clamping drive for driving the two clamping plates to move relative to each other.

[0010] Optionally, the pipe fitting clamping mechanism further includes a base and two sliding seats, and the two sliding seats are slidably connected to the base in a direction perpendicular to the axis of the pipe body.

[0011] The base is slidably connected with the workbench along the axial direction of the pipe body;

[0012] The two clamping plates are fixed to the sliding seat.

[0013] Optionally, the clamping drive includes a driving motor and a bidirectional screw rod, one end of the bidirectional screw rod is fixedly connected with the output end of the driving motor, and the two sides of the bidirectional screw rod are threadedly connected with the two clamping plates respectively.

[0014] Optionally, the bearing seat is fixed to the base, and the arc-shaped supporting frame is detachably fixed to the top of the bearing seat.

[0015] The middle part of the bidirectional screw rod is located in the bearing seat and rotationally connected with the bearing seat.

[0016] Optionally, the bidirectional screw rod is coaxially fixedly connected with the output shaft of the driving motor through a shaft coupling.

[0017] The end of the bidirectional screw rod, away from the driving motor, is provided with a limiting block.

[0018] Optionally, the guiding rod is provided on the other clamping plate and is slidably connected with the other clamping plate.

[0019] Optionally, two pipe clamping assemblies are arranged on the two clamping plates and are detachably fixed to the clamping plates, and the pipe clamping assemblies can be adjusted in the vertical direction.

[0020] The pipe clamping assembly includes an arc-shaped clamping plate arranged on the other clamping plate with the concave side facing the other clamping plate.

[0021] Optionally, a plurality of adjusting holes are arranged on the clamping plate in the vertical direction.

[0022] The pipe clamping assembly further includes a clamping plate mounting seat, and the arc-shaped clamping plate is detachably fixed to the clamping plate mounting seat.

[0023] Optionally, the connection drive is a linear drive structure with the output end fixed to the pipe clamping mechanism.

[0024] The pipe clamping mechanism has the advantages that:

[0025] The two pipe bodies to be fixed by spot welding are placed on the bearing assembly, and then the two clamping plates are driven to move close to each other by the clamping drive, so that the pipe bodies are fixed, and then the two pipe clamping mechanisms are driven to move close to each other by the connection drive, so that the two pipe bodies are driven to move close to each other for connection, and then spot welding is performed.

[0026] In the technical scheme of the present application, the two pipe bodies are placed on the bearing assembly at the same horizontal height and distributed along the axis, and are clamped by the clamping plates, so that the two pipe bodies are coaxial. In the subsequent movement of connection and spot welding, it is equivalent to the prior art that no manual intervention is required for pipe body fixing, which can effectively solve the problem that the axes of the two pipes are not easy to align during the connection and spot welding of the pipe, resulting in the problem of out-of-axis of the pipe after the subsequent full welding process and low quality. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an embodiment of the present application.

[0028] Figure 2 It is a structural schematic diagram of an embodiment of the present application when clamping a pipe.

[0029] Figure 3 It is a structural schematic diagram of an embodiment of the present application from another perspective.

[0030] BRIEF DESCRIPTION OF DRAWINGS: 1-pipe body, 2-clamping drive, 21-driving motor, 22-bidirectional screw rod, 221-limiting block, 3-bearing assembly, 31-bearing seat, 32-arc-shaped bearing bracket, 4-clamping plate, 401-adjusting hole, 41-sliding seat, 5-pipe clamping assembly, 51-arc-shaped clamping plate, 52-clamping plate mounting seat, 6-guide rod, 61-screw segment, 7-base, 8-workbench, 9-connection drive. DETAILED DESCRIPTION

[0031] The present application will be further described in detail below in combination with embodiments and drawings, but the implementation mode of the present application is not limited thereto.

[0032] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "internal", "external", "front", "back", "top", "bottom" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, or the orientation or positional relationship of the utility model product when it is usually placed, is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as a limitation on the utility model.

[0033] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the terms "set", "open", "install", "connect", "connect" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] The utility model will be described in detail below by referring to the drawings and combining embodiments.

[0035] As Figures 1 to 3 The utility model provides a kind of auxiliary alignment device for pipe fitting connection point welding fixing, including two structures same and for clamping pipe fitting main body 1 Pipe fitting clamping mechanism, and workbench 8 and for driving two pipe fitting clamping mechanism relative motion along pipe fitting main body 1 axial connection drive 9, pipe fitting clamping mechanism is slidably connected with workbench 8 along the axial direction of pipe fitting main body 1, wherein:

[0036] Pipe fitting clamping mechanism includes the bearing assembly 3 for bearing pipe fitting main body 1, the bearing assembly 3 of two pipe fitting clamping mechanisms includes the arc-shaped support frame 32 located at the same horizontal height and along the axial direction of pipe fitting main body 1;

[0037] Pipe fitting clamping mechanism further includes two clamping plates 4 respectively located on both sides of bearing assembly 3 and clamping drive 2 for driving two clamping plates 4 relative motion.

[0038] The embodiment is characterized in that two pipe body 1 to be fixed by spot welding are placed on the bearing assembly 3, then the clamping drive 2 is used to drive the two clamping plates 4 to move close to each other, so as to fix the pipe body 1, and then the connection driving 9 is used to drive the two pipe body 1 to move close to each other, and then spot welding is performed.

[0039] In the embodiment, the arc-shaped supporting frame 32 is arranged at the same height and is distributed along the axial direction of the pipe body 1, so that the pipe body 1 can be placed on the concave side of the arc-shaped supporting frame 32, and the two pipe body 1 are only different in axial position, avoiding deviation.

[0040] In the technical scheme, the two pipe body 1 are placed on the bearing assembly 3 at the same horizontal height and are distributed along the axial direction, and are clamped by the clamping plate 4, so that the two pipe body 1 are coaxial. In the subsequent process of moving connection and spot welding, no manual intervention is required for fixing the pipe body 1, which can effectively solve the problem that the axial lines of the two pipe body 1 are not easy to align during the connection and spot welding of the pipe body, and the pipe body is out of alignment and has low quality after the subsequent full welding process.

[0041] Specifically, in the embodiment, as shown in Figure 1 and Figure 2 The pipe clamping mechanism further comprises a base 7 and two sliding seats 41, and the two sliding seats 41 are slidably connected to the base 7 in a direction perpendicular to the axial line of the pipe body 1.

[0042] The base 7 is slidably connected to the workbench 8 in the axial direction of the pipe body 1.

[0043] The two clamping plates 4 are fixed to the sliding seats 41, and in the embodiment, the sliding direction of the sliding seat 41 is parallel to the horizontal plane.

[0044] Specifically, in the embodiment, the clamping drive 2 comprises a driving motor 21 and a bidirectional screw rod, one end of the bidirectional screw rod is fixedly connected to the output end of the driving motor 21, and the two sides of the bidirectional screw rod are threadedly connected to the two clamping plates 4, so that the two clamping plates 4 can move close to or away from each other at the same time. The driving motor 21 and the bidirectional screw rod are both existing components, and will not be described here.

[0045] Specifically, in the embodiment, the bearing assembly 3 comprises a bearing seat 31 fixed to the base 7, and the arc-shaped supporting frame 32 is detachably fixed to the top of the bearing seat 31.

[0046] The middle part of the bidirectional screw is located in the bearing seat 31 and is rotationally connected thereto. The arc-shaped support bracket 32 in this embodiment is a circular arc-shaped support bracket 32 and is detachably fixedly connected with the bearing seat 31, so that the circular arc-shaped support bracket 32 can be replaced, thereby facilitating the adaptation to different models of the pipe body 1.

[0047] Specifically, in this embodiment, as shown in Figure 1 and Figure 2 , the bidirectional screw is coaxially and fixedly connected with the output shaft of the driving motor 21 through a shaft coupling.

[0048] The end of the bidirectional screw away from the driving motor 21 is provided with a limit block 221, which can limit the movement of the clamping plate 4 and avoid the clamping plate 4 moving out of the bidirectional screw.

[0049] Specifically, in this embodiment, as shown in Figure 1 and Figure 2 , the device further comprises a guide rod 6 arranged in parallel with the bidirectional screw 22, the guide rod 6 is provided with a threaded section, and the guide rod 6 is detachably arranged on the top of one of the clamping plates 4 through the threaded section. The other end of the guide rod 6 penetrates through the other clamping plate 4 and is slidably connected therewith. The guide rod 6 can guide the movement of the two clamping plates 4.

[0050] Specifically, in this embodiment, the device further comprises two pipe clamping assemblies 5 arranged opposite to each other on the two clamping plates 4, and the pipe clamping assemblies 5 are detachably fixed on the clamping plates 4 and can be adjusted along the vertical direction.

[0051] The pipe clamping assembly 5 comprises an arc-shaped clamping plate 51 arranged with the concave side facing the other clamping plate 4. By arranging the pipe clamping assembly 5, the stability of the pipe body 1 after clamping can be improved.

[0052] Specifically, in this embodiment, as shown in Figure 3 , the clamping plate 4 is provided with a plurality of adjusting holes 401 distributed along the vertical direction.

[0053] The pipe clamping assembly 5 further comprises a clamping plate mounting seat 52, and the arc-shaped clamping plate 51 is detachably fixed on the clamping plate mounting seat 52. The clamping plate mounting seat 52 is detachably fixed on the clamping plate 4 through the adjusting holes 401, so that the vertical position of the arc-shaped clamping plate 51 can be adjusted to adapt to different models of the pipe.

[0054] Specifically, in this embodiment, as shown in Figure 3 , the connection driving 9 is a linear driving structure with the output end fixed on the pipe clamping mechanism. In this embodiment, the linear driving structure is a pneumatic cylinder.

[0055] It can be understood that the above implementation is only an exemplary embodiment for illustrating the principle of the present application, but the present application is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present application, and these modifications and improvements are also considered as the protection scope of the present application.

Claims

1. An auxiliary alignment device for pipe joint connection point welding fixation, characterized in that, The pipe clamping mechanism includes two pipe clamping mechanisms which are identical and used for clamping the pipe body (1), a workbench (8) and a connection drive (9) used for driving the two pipe clamping mechanisms to move along the pipe body (1) in the axial direction, and the pipe clamping mechanism is slidably connected with the workbench (8) in the axial direction of the pipe body (1), wherein: The pipe clamping mechanism includes a bearing assembly (3) used for bearing the pipe body (1), and the bearing assembly (3) of the pipe clamping mechanism includes arc-shaped bearing brackets (32) which are located at the same height and distributed along the axial direction of the pipe body (1); The pipe clamping mechanism further includes two clamping plates (4) located on both sides of the bearing assembly (3) respectively and a clamping drive (2) used for driving the two clamping plates (4) to move relative to each other.

2. The auxiliary alignment device for pipe joint connection point welding fixation according to claim 1, characterized in that, The pipe clamping mechanism further includes a base (7) and two sliding seats (41) which are slidably connected with the base (7) in the direction perpendicular to the axial direction of the pipe body (1); The base (7) is slidably connected with the workbench (8) in the axial direction of the pipe body (1); The two clamping plates (4) are fixed on the sliding seats (41).

3. The auxiliary alignment device for pipe joint connection point welding fixation according to claim 1, characterized in that, The clamping drive (2) includes a driving motor (21) and a bidirectional screw rod, one end of the bidirectional screw rod is fixedly connected with the output end of the driving motor (21), and the two sides of the bidirectional screw rod are threadedly connected with the two clamping plates (4) respectively.

4. The auxiliary aligning device for pipe joint connection point welding fixation according to claim 3, characterized in that, The bearing assembly (3) includes a bearing seat (31) fixed on the base (7), and the arc-shaped bearing brackets (32) are detachably fixedly connected on the top of the bearing seat (31); The middle part of the bidirectional screw rod is located in the bearing seat (31) and is rotatably connected with the bearing seat (31).

5. The auxiliary aligning device for pipe joint connection point welding fixation according to claim 3, characterized in that, The bidirectional screw rod is coaxially fixedly connected with the output shaft of the driving motor (21) through a shaft coupling; The end of the bidirectional screw rod away from the driving motor (21) is provided with a limiting block (221).

6. The auxiliary aligning device for pipe joint connection point welding fixation according to claim 3, characterized in that, Further comprising a guide rod (6) arranged parallel to the bidirectional screw rod (22), the guide rod (6) is provided with a threaded section, the guide rod (6) is detachably arranged on the top of one of the clamping plates (4) through the threaded section, and the other end of the guide rod (6) penetrates through the other clamping plate (4) and is slidably connected with the other clamping plate (4).

7. The auxiliary aligning device for pipe joint connection point welding fixation according to claim 1, characterized in that, Further comprising two pipe clamping assemblies (5) arranged opposite to each other on the two clamping plates (4), the pipe clamping assemblies (5) are detachably fixed on the clamping plates (4), and the clamping plate assemblies can be adjusted in the vertical direction; The pipe clamping assembly (5) includes an arc-shaped clamping plate (51) arranged with the concave side facing the other clamping plate (4).

8. The auxiliary alignment device for pipe joint connection point welding fixation according to claim 7, characterized in that, The clamping plate (4) is provided with a plurality of adjusting holes (401) distributed in the vertical direction; The pipe clamping assembly (5) further includes a clamping plate mounting seat (52), the arc-shaped clamping plate (51) is detachably fixed on the clamping plate mounting seat (52), and the clamping plate mounting seat (52) is detachably fixed on the clamping plate (4) through the adjusting hole (401).

9. The auxiliary aligning device for pipe joint connection point welding fixation according to claim 1, characterized in that, The connection drive (9) is a linear drive structure with the output end fixed on the pipe clamping mechanism.

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