Chuck for pipeline welding and pipeline welding clamp

Abstract

The utility model discloses a pipeline welding chuck and a pipeline welding fixture, which belong to the technical field of pipeline welding equipment, and comprise a fixed clamping block, a spherical hole, a round jack and a connecting column, the fixed clamping block is arranged on the surface of one end of the connecting column, the round jack is arranged in the connecting column and extends to the outer surface of the connecting column, and the spherical hole is arranged on the spherical hole. And the spherical hole is formed between the connecting column and the fixed clamping block and is communicated with the circular insertion hole. The problem that in the prior art, due to the fact that the fixing mode is single, the chuck is inconvenient to replace, and the angle is difficult to adjust, the application range is poor is solved. And the practicability and the universality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding equipment technical field, concretely relates to a chuck for pipeline welding and pipeline welding fixture. BACKGROUND

[0002] In the pipeline welding process, the fixation and positioning of the pipeline are the key factors affecting the welding quality and efficiency.

[0003] However, the traditional pipeline welding fixture design often lacks flexibility, is difficult to adapt to different diameter, material or shape of the pipeline, and the adjustment process is cumbersome, which affects the work efficiency. In addition, the unstable fixation may cause deviation in the welding process, affecting the welding quality. The traditional pipeline welding fixture usually has problems such as single fixation mode, limited application range, inconvenient adjustment, etc., which is difficult to meet the welding needs of pipelines of different specifications and shapes.

[0004] Therefore, how to provide a chuck for pipeline welding and a pipeline welding fixture to solve the defects of the fixture structure is a technical problem to be solved by the technical personnel in the field. SUMMARY

[0005] Therefore, the utility model provides a chuck for pipeline welding and a pipeline welding fixture to solve the problem of poor application range caused by single fixation mode, inconvenient chuck replacement and difficult angle adjustment in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] According to the first aspect of the utility model,

[0008] The utility model discloses a chuck for pipeline welding, which comprises:

[0009] The connecting column is provided with a fixed clamp block on one end surface.

[0010] The circular insertion hole is arranged in the connecting column and extends to the outer surface of the connecting column.

[0011] The spherical hole is arranged between the connecting column and the fixed clamp block and is in communication with the circular insertion hole.

[0012] In one possible implementation, the fixed clamp block comprises:

[0013] The cylindrical connecting block is installed on the surface of the connecting column, and a first tapered groove is formed in the surface of the cylindrical connecting block.

[0014] The second tapered groove is arranged on the surface of the cylindrical connecting block and has a cross structure between the first tapered groove.

[0015] In a possible implementation, the fixed clamping block further comprises:

[0016] A V-shaped block is installed on the surface of the connecting column, and a first arc-shaped hole is formed on the upper and lower sides of the V-shaped block;

[0017] A second arc-shaped hole is formed on the front and rear sides of the V-shaped block;

[0018] A rectangular groove is formed on the surface of the V-shaped block.

[0019] According to the second aspect of the utility model,

[0020] The utility model discloses a pipeline welding clamp head for pipeline welding, further comprising:

[0021] A driving track is provided with a driving rod on the surface, a connecting ring is installed on the surface of one end of the driving track, and an adjusting bolt is drivingly connected in the connecting ring;

[0022] A displacement assembly is drivingly connected to the bottom end of the driving rod;

[0023] A connecting head is provided in pairs and is installed at the end of the displacement assembly and the adjusting bolt respectively, and the end of the connecting head is inserted into the clamp head for pipeline welding.

[0024] In a possible implementation, the displacement assembly comprises:

[0025] A displacement rod is provided with an external thread structure on the outer surface, and the displacement rod is drivingly connected to the bottom of the driving rod;

[0026] An installation block is installed at the end of the displacement rod, and the connecting head is installed at the other end of the displacement rod;

[0027] A moving rod is drivingly connected in the installation block, and limit blocks are installed at the two ends of the moving rod.

[0028] In a possible implementation, the driving rod comprises:

[0029] A sleeve ring is sleeved on the driving track, and a rod body is installed at the bottom of the sleeve ring;

[0030] A fixed block is installed at the bottom of the rod body, a circular hole is formed in the fixed block, and an internal thread structure is arranged on the inner surface of the circular hole.

[0031] In a possible implementation, the connecting head comprises:

[0032] A conical frustum is installed at one end on the surface of the end of the displacement assembly and the adjusting bolt;

[0033] A sphere is installed at the other end of the surface of the conical frustum.

[0034] In a possible implementation, the driving track is an L-shaped structure, and the bending position of the L-shaped structure is an arc-shaped structure.

[0035] The utility model discloses a ball hole is designed, realizes the chuck for pipeline welding to realize 360 DEG rotation on the plane, and further completes the clamping of different shape pipelines, and the cooperation of ball hole and round jack and connector realizes the quick replacement of the chuck for pipeline welding, can realize the adaptation of more pipelines, and through the movement of the driving rod on the driving track, the mutual approach between two chuck for pipeline welding is realized, and further the clamping is realized, when two chuck for pipeline welding are close to the pipeline, through the rotation displacement component, one chuck for pipeline welding continues to extrude the pipeline, at this time, the driving rod will slightly incline, makes the driving rod not to produce the sliding on the driving track, and further realizes the clamping of the chuck for pipeline welding to the pipeline, improves the adaptability of the fixture, simplifies the structure, improves the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0037] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that can be implemented by the utility model, so they do not have the substantial significance of technology, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be produced by the utility model, should still fall within the scope covered by the technical content disclosed by the utility model.

[0038] Figure 1 The utility model provides a chuck for pipeline welding solid drawing for the utility model;

[0039] Figure 2 The utility model provides a fixed clamping block solid drawing for the utility model;

[0040] Figure 3 The utility model provides a fixed clamping block solid drawing for the utility model;

[0041] Figure 4 The utility model provides a pipeline welding fixture solid drawing for the utility model;

[0042] Figure 5 The utility model provides a displacement component solid drawing for the utility model;

[0043] Figure 6 The utility model provides a drive rod solid drawing;

[0044] Figure 7 The utility model provides a connector solid drawing;

[0045] In the figure: 1 pipeline welding chuck;11 fixed clamp block;111 second taper groove;112 first taper groove;113 cylindrical connecting block;114 first arc-shaped hole;115 V-shaped block;116 rectangular groove;117 second arc-shaped hole;12 spherical hole;13 round jack;14 connecting column;2 drive track;3 connecting ring;4 connector;41 ball;42 conical frustum;5 displacement assembly;51 displacement rod;52 mounting block;53 moving rod;54 limit block;6 drive rod;61 round hole;62 fixed block;63 rod body;64 collar;7 adjusting bolt. DETAILED DESCRIPTION

[0046] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification, obviously, the described embodiments are a part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0047] Please refer to Figures 1-3 A kind of pipeline welding chuck disclosed by the utility model will be described, such as Figure 1 Including fixed clamp block 11, spherical hole 12, round jack 13 and connecting column 14, fixed clamp block 11 is installed on the surface of one end of connecting column 14, round jack 13 is opened in connecting column 14, round jack 13 extends to the outer surface of connecting column 14, spherical hole 12 is opened between connecting column 14 and fixed clamp block 11, spherical hole 12 is communicated with round jack 13.The inner surface of round jack 13 is elastic structure, because the width between spherical hole 12 is wider than the diameter of round jack 13, so as to prevent the situation of falling out, and the elastic structure is convenient for inserting connector 4 or taking down from connector 4, to realize the quick replacement of fixed clamp block 11.

[0048] In a specific embodiment, such as Figure 2The fixed clamping block 11 comprises a second taper slot 111, a first taper slot 112 and a cylindrical connecting block 113, the cylindrical connecting block 113 is installed on the surface of the connecting column 14, the first taper slot 112 is formed on the surface of the cylindrical connecting block 113, the second taper slot 111 is formed on the surface of the cylindrical connecting block 113, and the second taper slot 111 and the first taper slot 112 are in a cross structure. The taper slots of the two fixed clamping blocks 11 are spliced to form a rectangular hole, when the pipe is clamped, four surfaces of the rectangular hole are in contact with the surface of the pipe to complete clamping, the groove depths of the second taper slot 111 and the second taper slot 111 are different, the setting mode can clamp pipes with different diameters, and the cross structure of the two taper slots can ensure that they do not affect each other.

[0049] In a specific embodiment, as Figure 3 The fixed clamping block 11 further comprises a first arc-shaped hole 114, a V-shaped block 115, a rectangular slot 116 and a second arc-shaped hole 117, the V-shaped block 115 is installed on the surface of the connecting column 14, the first arc-shaped hole 114 is formed on the upper and lower sides of the V-shaped block 115, the second arc-shaped hole 117 is formed on the front and rear sides of the V-shaped block 115, and the rectangular slot 116 is formed on the surface of the V-shaped block 115. The fixed clamping block 11 in the embodiment is different from the fixed clamping block 11 described in the previous embodiment, the two V-shaped blocks 115 are used for clamping pipes with large diameters, the distance between the two V-shaped blocks 115 is far when the V-shaped block 115 is used, and the two V-shaped blocks 115 cannot be used together, the surface of the V-shaped block 115 is in contact with the surface of the pipe for clamping the pipe, the second arc-shaped hole 117 and the first arc-shaped hole 114 are used for clamping small-diameter pipes, and the two kinds of fixed clamping blocks 11 can be combined and used in cross to meet different clamping requirements, and the clamping of round pipes, square pipes and flat plates can be realized, and the fixed clamping block 11 can be quickly replaced, which is also helpful for realizing the clamping of various pipes.

[0050] Based on the same inventive concept, the application further discloses a pipe welding clamp, which comprises a pipe welding chuck 1, a driving track 2, a connecting ring 3, a connecting head 4, a displacement assembly 5, a driving rod 6 and an adjusting bolt 7. Figure 4 The driving rod 6 is in driving connection with the surface of the driving track 2, the connecting ring 3 is installed on the surface of one end of the driving track 2, the adjusting bolt 7 is in driving connection with the connecting ring 3, the displacement assembly 5 is in driving connection with the bottom end of the driving rod 6, the connecting head 4 is arranged in pairs and is installed at the end portions of the displacement assembly 5 and the adjusting bolt 7, and the end portion of the connecting head 4 is inserted into the pipe welding chuck 1.

[0051] The utility model discloses a pipe welding clamping device, which comprises a driving rail 2, a driving rod 6, a displacement assembly 5, a connecting head 4, a pipe welding chuck 1 and a ball 41, wherein the driving rail 2 is arranged on the ground, the driving rod 6 is arranged on the driving rail 2, the displacement assembly 5 is arranged on the driving rod 6, the connecting head 4 is arranged on the displacement assembly 5, the pipe welding chuck 1 is arranged on the connecting head 4, and the ball 41 is arranged on the connecting head 4.

[0052] In a specific embodiment, as Figure 5 The displacement assembly 5 comprises a displacement rod 51, a mounting block 52, a moving rod 53 and a limiting block 54, the outer surface of the displacement rod 51 is provided with an external thread structure, the displacement rod 51 is drivingly connected to the bottom of the driving rod 6, the mounting block 52 is installed at the end of the displacement rod 51, the connecting head 4 is installed at the other end of the displacement rod 51, the moving rod 53 is drivingly connected in the mounting block 52, and the limiting block 54 is installed at the two ends of the moving rod 53. Through the design of the moving rod 53, the user can drive the mounting block 52 to rotate according to his comfortable angle, and drive the displacement rod 51 to move, and the limiting block 54 is arranged to prevent the moving rod 53 from slipping out of the mounting block 52.

[0053] In a specific embodiment, as Figure 6 The driving rod 6 comprises a circular hole 61, a fixed block 62, a rod body 63 and a sleeve ring 64, the sleeve ring 64 is sleeved on the driving rail 2, the rod body 63 is installed at the bottom of the sleeve ring 64, the fixed block 62 is installed at the bottom of the rod body 63, the circular hole 61 is formed in the fixed block 62, and an internal thread structure is arranged on the inner surface of the circular hole 61. The circular hole 61 is used for the movement of the displacement rod 51.

[0054] In a specific embodiment, as Figure 7The connecting head 4 comprises a ball 41 and a conical surface 42, the conical surface 42 is installed on the end surface of the displacement assembly 5 and the adjusting bolt 7, and the ball 41 is installed on the other end surface of the conical surface 42. The diameter of the ball 41 is slightly wider than the circular insertion hole 13, so that when the ball 41 enters the spherical hole 12, the ball 41 can be clamped on the pipe welding chuck 1, and the design of the conical surface 42 not only ensures that the connecting head 4 is relatively convenient to enter the circular insertion hole 13, but also can limit the swinging angle of the pipe welding chuck 1 while the pipe welding chuck 1 swings along with the ball 41, and the pipe welding chuck 1 rotates along the ball 41 to form multi-angle clamping.

[0055] In a specific embodiment, the driving track 2 is in L-shaped structure, and the bending position of the L-shaped structure is in arc structure. The arc structure and the L-shaped structure are used to limit the moving position of the driving rod 6.

[0056] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A collet for pipe welding, characterized by, It includes: The connecting column (14) is provided with a fixed clamp block (11) on one end surface; The circular insertion hole (13) is provided in the connecting column (14), and the circular insertion hole (13) extends to the outer surface of the connecting column (14); The spherical hole (12) is provided between the connecting column (14) and the fixed clamp block (11), and the spherical hole (12) is communicated with the circular insertion hole (13).

2. The collet for pipe welding according to claim 1, wherein The fixed clamp block (11) includes: The cylindrical connecting block (113) is installed on the surface of the connecting column (14), and the first tapered groove (112) is formed in the surface of the cylindrical connecting block (113); The second tapered groove (111) is formed in the surface of the cylindrical connecting block (113), and the second tapered groove (111) and the first tapered groove (112) are in a cross structure.

3. The collet for pipe welding according to claim 1, wherein The fixed clamp block (11) further includes: The V-shaped block (115) is installed on the surface of the connecting column (14), and the first arc-shaped hole (114) is formed in the upper and lower sides of the V-shaped block (115); The second arc-shaped hole (117) is formed in the front and rear sides of the V-shaped block (115); The rectangular groove (116) is formed in the surface of the V-shaped block (115).

4. A pipe welding jig comprising the pipe welding chuck according to claim 1, characterized by It also includes: The driving track (2) is provided with a driving rod (6) on the surface, and the driving track (2) is provided with a connecting ring (3) on one end surface, and the connecting ring (3) is provided with an adjusting bolt (7) in transmission connection; The displacement assembly (5) is in transmission connection with the bottom end of the driving rod (6); The connecting head (4) is arranged in pairs and is respectively installed at the end of the displacement assembly (5) and the adjusting bolt (7), and the connecting head (4) is inserted into the pipe welding chuck (1).

5. The pipe welding fixture of claim 4, wherein, The displacement assembly (5) includes: The displacement rod (51) is provided with an external thread structure on the outer surface, and the displacement rod (51) is in transmission connection with the bottom of the driving rod (6); The mounting block (52) is installed at the end of the displacement rod (51), and the connecting head (4) is installed at the other end of the displacement rod (51); The moving rod (53) is in transmission connection with the mounting block (52), and the moving rod (53) is provided with a limiting block (54) at both ends.

6. The pipe welding fixture of claim 4, wherein, The driving rod (6) includes: The sleeve ring (64) is sleeved on the driving track (2), and the sleeve ring (64) is provided with a rod body (63) at the bottom; The fixed block (62) is installed at the bottom of the rod body (63), and the fixed block (62) is provided with a circular hole (61) therein, and the inner surface of the circular hole (61) is provided with an internal thread structure.

7. The pipe welding fixture of claim 4, wherein, The connecting head (4) includes: The conical frustum (42) is installed on one end surface of the displacement assembly (5) and the adjusting bolt (7); The spherical body (41) is installed on the other end surface of the conical frustum (42).

8. The pipe welding fixture of claim 4, wherein, The driving track (2) is in L-shaped structure, and the bending position of the L-shaped structure is in arc structure.

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