V-shaped clamping block quick-changing type tool for flange seamless pipe welding
By designing a V-shaped clamp quick-change tooling including pneumatic transverse clamping rods and rolling bearings, the problem of flange and seamless pipe not being centered and clamps not being able to be adjusted in the prior art is solved, and efficient and suitable flange seamless pipe welding is achieved.
Patent Information
- Application Number
- CN202421769516.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing flange seamless pipe welding fixture device cannot effectively align the flange with the center of the seamless pipe, and cannot adjust the distance between the V-shaped clamps according to actual conditions, resulting in low welding quality and is not suitable for seamless pipes of different lengths.
A V-clamp quick-change tooling including a workbench, a vertical plate, a U-shaped plate, a pneumatic transverse clamping rod, a moving plate and a V-shaped clamping plate are designed. Automatic and rapid clamping and torque adjustment are achieved through a pneumatic hydraulic system to ensure the coaxiality of the seamless pipe and the flange, and the rotation and rapid replacement of seamless pipe fittings are achieved through rolling bearings.
The coaxial alignment of seamless pipes and flanges is achieved, and seamless pipes of different lengths and specifications are adapted to improve welding quality and efficiency, and enhance the practicality of the tooling.
Smart Images

Figure CN222831000U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of quick-change tooling, in particular to a V-shaped clamping block quick-change tooling for welding flange seamless pipes. Background Art
[0002] The V-clamp quick-change tooling for flange seamless pipe welding is a clamping device specially designed for pipeline welding, aiming to improve welding efficiency and welding quality.
[0003] The existing flange seamless pipe welding fixture device usually cannot align the flange and the seamless pipe with the center well, which will affect the welding quality. At the same time, the flange seamless pipe welding fixture device usually cannot adjust the distance between the V-clamps according to actual conditions, and is not suitable for seamless pipes of different lengths. The practicality is low. Therefore, a V-clamp quick-change tooling for flange seamless pipe welding is needed to solve the above problems. Utility Model Content
[0004] The utility model aims to solve the problems existing in the prior art and provides a V-shaped clamping block quick-change tooling for welding flange seamless pipes.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A V-clamp quick-change tooling for flange seamless pipe welding, comprising a workbench, a vertical plate fixedly connected to the top of the workbench and close to the edge, a U-shaped plate fixedly connected to one side wall of the vertical plate, two pneumatic transverse clamping rods are provided on one side of the U-shaped plate, a vertical fixing groove is opened on the surface of the pneumatic transverse clamping rod, both ends of the U-shaped plate are embedded in the vertical fixing groove and slidably connected thereto, two movable plates are installed on the surface of the pneumatic transverse clamping rod, a V-shaped clamping plate is installed on the other end of the movable plate, seamless pipe fittings are arranged between the V-shaped clamping plates, and a flange fixing rotating disk is provided on the top of the workbench and below the seamless pipe fittings.
[0007] Preferably, support legs are fixedly connected to the bottom of the workbench and near the four corners.
[0008] Preferably, one end of the movable plate and the surface of the V-shaped clamping plate are provided with insertion holes, the insertion holes on the movable plate and the V-shaped clamping plate are aligned and screws are installed inside.
[0009] Preferably, rolling bearings are embedded and installed on both side inner walls of the V-shaped clamping plate, and the surface of the rolling bearings is in contact with the surface of the seamless pipe.
[0010] Preferably, a pin hole is provided on the surface of the flange-fixed rotating disk, and a quick-release chuck is installed on the surface of the flange-fixed rotating disk.
[0011] Preferably, a servo motor is installed at the bottom of the workbench, and the output end of the servo motor passes through the bottom of the workbench and is fixedly connected to the bottom of the flange-fixed rotating disk.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. The utility model has a simple structure. It is welded and assembled after steel plate processing. V-shaped plates are used to clamp seamless pipe fittings, which can automatically find the center of the outer circle and ensure the coaxiality of the seamless pipe and flange.
[0014] 2. The utility model uses two sets of transverse clamping rods with V-shaped clamping plates on the top to drive the moving plate to fix the seamless pipe fittings, which can automatically align the center of the seamless pipe fittings. At the same time, the transverse clamping rods can automatically and quickly clamp and adjust the torque through the pneumatic hydraulic system;
[0015] 3. The utility model installs rolling bearings inside the V-shaped clamping plate, so that the seamless pipe can rotate when clamped; at the same time, it adopts a slot of uniform size to connect with the moving plate and fix it with screws, which can be quickly replaced to adapt to seamless pipes of different specifications;
[0016] 4. The utility model can ensure the position accuracy through the precision processing of the vertical fixing groove, so as to realize the up and down movement of the movable plate to adapt to seamless pipes of different lengths, and realize the use of the tooling for welding on seamless pipes of various specifications and lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model provides a side view of the overall structure of a V-type clamp quick-change tooling for flange seamless pipe welding;
[0018] Figure 2 The utility model provides a front view of the overall structure of a V-type clamp block quick-change tooling for flange seamless pipe welding;
[0019] Figure 3 The utility model provides a top view of the overall structure of a V-clamp quick-change tooling for welding flange seamless pipes.
[0020] Legend: 1. Workbench; 2. Support legs; 3. Vertical plate; 4. U-shaped plate; 5. Pneumatic transverse clamping rod; 6. Vertical fixing groove; 7. Moving plate; 8. V-shaped clamping plate; 9. Rolling bearing; 10. Seamless pipe fittings; 11. Flange-fixed rotating plate; 12. Quick chuck; 13. Servo motor. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0023] Embodiment 1, as Figure 1-3 As shown, the utility model provides a V-clamp quick-change tooling for flange seamless pipe welding, including a workbench 1, a vertical plate 3 is fixedly connected to the top of the workbench 1 and close to the edge, a U-shaped plate 4 is fixedly connected to one side wall of the vertical plate 3, two pneumatic transverse clamping rods 5 are provided on one side of the U-shaped plate 4, a vertical fixing groove 6 is opened on the surface of the pneumatic transverse clamping rod 5, both ends of the U-shaped plate 4 are embedded in the vertical fixing groove 6 and are slidably connected thereto, two movable plates 7 are installed on the surface of the pneumatic transverse clamping rod 5, a V-shaped clamping plate 8 is installed on the other end of the movable plate 7, a seamless pipe fitting 10 is provided between the V-shaped clamping plates 8, and a flange fixing rotating disk 11 is provided on the top of the workbench 1 and below the seamless pipe fitting 10.
[0024] The effect achieved by the entire embodiment 1 is that a vertical plate 3 is fixedly connected through the top of the workbench 1 and close to the edge, a U-shaped plate 4 is fixedly connected to one side wall of the vertical plate 3, two pneumatic transverse clamping rods 5 are provided on one side of the U-shaped plate 4, a vertical fixing groove 6 is opened on the surface of the pneumatic transverse clamping rod 5, both ends of the U-shaped plate 4 are embedded in the vertical fixing groove 6 and are slidably connected thereto, two movable plates 7 are installed on the surface of the pneumatic transverse clamping rod 5, a V-shaped clamping plate 8 is installed at the other end of the movable plate 7, and a seamless pipe fitting 10 is provided between the V-shaped clamping plates 8, which can achieve the effect of lifting the pneumatic transverse clamping rod 5. At this time, the pneumatic transverse clamping rod 5 drives the movable plate 7 to clamp the seamless pipe fittings 10 of different heights, and a flange fixing rotating disk 11 is provided through the top of the workbench 1 and below the seamless pipe fitting 10, which can achieve the effect of concentrically aligning the flange with the bottom of the seamless pipe fitting 10.
[0025] Embodiment 2, as Figure 1-3As shown, the bottom of the workbench 1 and near the four corners are fixedly connected with support legs 2; one end of the movable plate 7 and the surface of the V-shaped clamp 8 are provided with sockets, the sockets on the movable plate 7 and the V-shaped clamp 8 are aligned and screws are installed inside; rolling bearings 9 are embedded and installed on the inner walls of both sides of the V-shaped clamp 8, and the surface of the rolling bearings 9 is in contact with the surface of the seamless pipe 10; pin holes are provided on the surface of the flange-fixed rotating disk 11, and a quick chuck 12 is installed on the surface of the flange-fixed rotating disk 11; a servo motor 13 is installed at the bottom of the workbench 1, and the output end of the servo motor 13 passes through the bottom of the workbench 1 and is fixedly connected to the bottom of the flange-fixed rotating disk 11.
[0026] The effect achieved by the entire embodiment 2 is that the support legs 2 are fixedly connected to the bottom of the workbench 1 and near the four corners, which can support the bottom of the workbench 1; holes are provided on one end of the movable plate 7 and the surface of the V-shaped clamping plate 8, and the holes on the movable plate 7 and the V-shaped clamping plate 8 are aligned and screws are installed inside, so that the V-shaped clamping plate 8 can be replaced, and then it can be suitable for the effect of clamping and fixing seamless pipes 10 of different diameters; rolling bearings 9 are embedded and installed on the inner walls of both sides of the V-shaped clamping plate 8, and the surface of the rolling bearings 9 is in contact with the seamless pipes 10. The surfaces of the seamless pipe fittings 10 are in contact with each other, which can facilitate the rotation of the seamless pipe fittings 10 during the clamping process; pin holes are opened on the surface of the flange-fixed rotating disk 11, and a quick chuck 12 is installed on the surface of the flange-fixed rotating disk 11, which can achieve the effect of manual quick positioning and clamping; a servo motor 13 is installed at the bottom of the workbench 1, and the output end of the servo motor 13 passes through the bottom of the workbench 1 and is fixedly connected to the bottom of the flange-fixed rotating disk 11, which can achieve the effect of embedding the output end of the servo motor 13 into the bottom of the flange-fixed rotating disk 11 and driving it to rotate.
[0027] Working principle: by placing the flange fixed rotating disk 11 on the workbench 1, and making the output end of the servo motor 13 engage with the bottom of the flange fixed rotating disk 11, then the seamless pipe fitting 10 is placed between the V-shaped clamps 8, and then the upper pneumatic transverse clamping rod 5 is lifted and lowered to apply to the seamless pipe fitting 10, and the pneumatic transverse clamping rod 5 drives the movable plate 7 to clamp and fix the seamless pipe fitting 10 on the V-shaped clamp 8. At this time, the center of the seamless pipe fitting 10 can be aligned with the center of the flange fixed rotating disk 11, and at the same time, a rolling bearing 9 is installed inside the V-shaped clamp 8, so that the seamless pipe fitting 10 can rotate when clamped. At this time, the flange fixed rotating disk 11 is driven by the servo motor 13 for convenient welding. At the same time, a socket of uniform size is used to connect with the movable plate 7 and fixed with screws, which can be quickly disassembled and replaced to adapt to seamless pipe fittings 10 of different specifications.
[0028] The wiring diagram of the pneumatic transverse clamping rod 5 and the servo motor 13 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the pneumatic transverse clamping rod 5 and the servo motor 13 are no longer explained in detail.
[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A V-clamp quick-change tooling for flange seamless pipe welding, comprising a workbench (1), characterized in that: A vertical plate (3) is fixedly connected to the top of the workbench (1) and near the edge, a U-shaped plate (4) is fixedly connected to one side wall of the vertical plate (3), two pneumatic transverse clamping rods (5) are provided on one side of the U-shaped plate (4), a vertical fixing groove (6) is provided on the surface of the pneumatic transverse clamping rod (5), both ends of the U-shaped plate (4) are embedded in the vertical fixing groove (6) and are slidably connected thereto, two movable plates (7) are installed on the surface of the pneumatic transverse clamping rod (5), a V-shaped clamping plate (8) is installed at the other end of the movable plate (7), a seamless pipe fitting (10) is provided between the V-shaped clamping plates (8), and a flange-fixed rotating disk (11) is provided on the top of the workbench (1) and below the seamless pipe fitting (10).
2. The V-clamp quick-change tooling for flange seamless pipe welding according to claim 1, characterized in that: Support legs (2) are fixedly connected to the bottom of the workbench (1) and near the four corners.
3. The V-clamp quick-change tooling for flange seamless pipe welding according to claim 1 is characterized in that: One end of the movable plate (7) and the surface of the V-shaped clamping plate (8) are both provided with insertion holes, and the insertion holes on the movable plate (7) and the V-shaped clamping plate (8) are aligned and screws are installed inside.
4. The V-clamp quick-change tooling for flange seamless pipe welding according to claim 1, characterized in that: Rolling bearings (9) are embedded and installed in the inner walls of both sides of the V-shaped clamping plate (8), and the surface of the rolling bearing (9) is in contact with the surface of the seamless pipe (10).
5. The V-clamp quick-change tooling for flange seamless pipe welding according to claim 1, characterized in that: A pin hole is provided on the surface of the flange-fixed rotating disk (11), and a quick-action chuck (12) is mounted on the surface of the flange-fixed rotating disk (11).
6. The V-clamp quick-change tooling for flange seamless pipe welding according to claim 1, characterized in that: A servo motor (13) is installed at the bottom of the workbench (1), and an output end of the servo motor (13) passes through the workbench (1) and is snap-connected to the bottom of a flange-fixed rotating disk (11).