Pneumatic spring tool apron for steel pipe end groove machining

Abstract

The utility model discloses a pneumatic spring tool apron for steel pipe end groove processing, which comprises a mounting seat and a pneumatic spring tool apron supporting structure, and the pneumatic spring tool apron supporting structure is composed of a guide rail sliding block, a sliding block supporting plate, a tool apron main body, a profiling assembly, a spring supporting block, a spring clamping block, a nitrogen spring, a gasket and a silver feeding linear guide rail. Two parallel silver feeding linear guide rails are fixedly mounted on the inner side of the mounting seat; in the steel pipe end groove machining process, when a tool encounters uneven resistance of the inner wall of a steel pipe, the tool bears profiling radial force to enable the nitrogen spring to be compressed or stretched, the tool apron body can adjust the position in a self-adaptive mode under the action of the nitrogen spring, the nitrogen spring can play a buffering role, the output pressure of the nitrogen spring is stable, and the profiling effect is guaranteed; therefore, uniform machining of the steel pipe end groove by the cutter is guaranteed, smoothness is better, size precision is higher, excessive abrasion and damage of the cutter are avoided, material consumption is reduced, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a pneumatic spring tool holder for steel pipe end groove processing. Background Art

[0002] With the development of the times, steel pipes are widely used in various fields. However, in the processing of the groove of the steel pipe end, the performance of the tool holder directly affects the processing quality, cost and efficiency of the groove.

[0003] However, the existing technology still has the following problems when in use: when the tool holder is used to process the steel pipe groove, the tool installation is unstable, the ordinary spring force value changes unstably, and the spring tightness is inconvenient to adjust, resulting in low processing accuracy of the steel pipe end groove, large tool wear, and low processing efficiency of the steel pipe end groove. Summary of the Invention

[0004] In order to overcome the shortcomings of the existing technology, the utility model provides a pneumatic spring tool holder for steel pipe end groove processing. During the steel pipe end groove processing process, when the tool encounters uneven resistance from the inner wall of the steel pipe, the tool is subjected to a profiling radial force to compress or extend the nitrogen spring. The tool holder body can adaptively adjust its position under the action of the nitrogen spring. The nitrogen spring can play a buffering role. The output pressure of the nitrogen spring is stable, ensuring the profiling effect, thereby ensuring that the tool uniformly processes the steel pipe end groove, with better finish and higher dimensional accuracy, avoiding excessive wear and damage of the tool, reducing material consumption, and improving work efficiency.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a pneumatic spring tool holder for steel pipe end beveling processing, comprising a mounting seat, a pneumatic spring tool holder support structure, the pneumatic spring tool holder support structure is composed of a guide rail slider, a slider support plate, a tool holder body, a profiling component, a spring support block, a spring clamp block, a nitrogen spring, a gasket, and a silver linear guide rail. Two silver linear guide rails parallel to each other are fixedly installed on the inner side of the mounting seat, the guide rail slider is slidably connected to the silver linear guide rail through a roller, the tool holder body is fixedly connected to the slider support plate, the profiling component One end of the component is fixedly installed at the center of one side of the tool holder body through the first hexagon socket cylindrical head screw, and the spring support blocks are symmetrically fixedly installed on both sides of the tool holder body. One end of the nitrogen spring is installed on the inner side of the spring support block through the seventh hexagon socket cylindrical head screw, and the spring support block and the spring clamping block are fixedly connected and clamped on the outer surface of the nitrogen spring through the sixth hexagon socket cylindrical head screw. A mold gas spring is installed at the center of the other end of the nitrogen spring, and a gasket is installed at the connection between one end of the mold gas spring and the inner wall of the mounting seat. A clamping block is symmetrically installed on the surface of one side of the mounting seat through the second hexagon socket cylindrical head screw.

[0006] As an optimal technical solution of the present utility model, the profiling component is composed of a retaining ring, a profiling wheel, a pressure block, a deep groove ball bearing and a central shaft. The retaining ring is sleeved on the outer surface of one end of the central shaft of the profiling component, and the retaining ring is located on the inner side of the profiling wheel. A deep groove ball bearing is installed on the surface of the central shaft close to the retaining ring, and a pressure block is installed on the surface of one side of the deep groove ball bearing. The pressure block and the deep groove ball bearing are both located on the inner side of the profiling wheel.

[0007] As a preferred technical solution of the present invention, the guide rail slider is a roller-type slider, and the guide rail slider and the mounting seat are fixedly installed by a fifth hexagon socket head screw.

[0008] As an optimal technical solution of the present invention, a fixing hole is opened on the surface of the tool holder body, and a fourth hexagonal cylindrical head screw is installed inside the fixing hole. The tool holder body and the upper silver linear guide are fixedly installed by the third hexagonal cylindrical head screw.

[0009] As a preferred technical solution of the present invention, the mounting seat is subjected to seat heat treatment, and the nitrogen spring is adjusted to an initial pressure.

[0010] As a preferred technical solution of the present invention, the gasket is fixedly mounted on the inner side of the mounting seat by an eighth hexagon socket head screw.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. During the beveling process of steel pipe ends, when the tool encounters uneven resistance from the inner wall of the steel pipe, the tool is subjected to the radial force of the profiling, causing the nitrogen spring to compress or stretch. The tool holder body can adaptively adjust its position under the action of the nitrogen spring. The nitrogen spring can play a buffering role. The output pressure of the nitrogen spring is stable, ensuring the profiling effect, thereby ensuring that the tool processes the bevel of the steel pipe end uniformly, with better finish and higher dimensional accuracy, avoiding excessive wear and damage of the tool, reducing material consumption, and improving work efficiency. Through the guide structure of the guide slider, the Hiwin linear guide and the tool holder body, the tool holder body slides horizontally on the surface of the guide slider with the Hiwin linear guide. The nitrogen springs are symmetrically fixed on both sides of the tool holder body. The tool is installed and fixed on the tool holder body. The nitrogen spring provides elastic restoring force for the tool holder body.

[0013] 2. By setting the guide rail slider as a roller-type slider, the guide rail slider has the characteristics of ultra-high rigidity and ultra-heavy load capacity, and slides more smoothly; by heat treating the mounting seat, the hardness of the mounting seat is improved, making the mounting seat less likely to deform. By adjusting the nitrogen spring to a suitable initial pressure, it helps to maintain a stable pressure output during the processing of the steel pipe end groove, ensure the profiling effect, increase the stability of the tool, and improve the processing accuracy; the gasket is fixed to the inner side of the mounting seat by the eighth hexagon socket head screw. The gasket can effectively prevent the nitrogen spring from crushing the tool holder, and the gasket is easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a front structural schematic diagram of the present utility model.

[0016] Figure 3 It is a side structural diagram of the utility model.

[0017] Figure 4 It is a schematic side sectional structural diagram of the profiling component of the present utility model.

[0018] Among them: 1. Mounting seat; 2. Guide rail slider; 3. Slider support plate; 4. Tool holder body; 5. Profiling assembly; 6. Spring support block; 7. Spring clamp; 8. Nitrogen spring; 9. Gasket; 10. Retaining ring; 11. First hexagon socket head screw; 12. Second hexagon socket head screw; 13. Profiling wheel; 14. Hiwin linear guide; 15. Third hexagon socket head screw; 16. Mold gas spring; 17. Fourth hexagon socket head screw; 18. Fifth hexagon socket head screw; 19. Sixth hexagon socket head screw; 20. Seventh hexagon socket head screw; 21. Eighth hexagon socket head screw; 22. Pressure block; 23. Deep groove ball bearing. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of the present invention.

[0020] For example, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the utility model provides a pneumatic spring tool holder for steel pipe end beveling, including a mounting seat 1, a pneumatic spring tool holder support structure, the pneumatic spring tool holder support structure is composed of a guide rail slider 2, a slider support plate 3, a tool holder body 4, a profiling component 5, a spring support block 6, a spring clamp 7, a nitrogen spring 8, a gasket 9, and a silver linear guide 14. Two silver linear guides 14 are fixedly installed on the inner side of the mounting seat 1. The guide rail slider 2 slides with the silver linear guide 14 through rollers. The tool holder body 4 is fixedly connected to the slider support plate 3, one end of the profiling component 5 is fixedly installed at the center of one side of the tool holder body 4 through the first hexagon socket head screw 11, and the spring support block 6 is symmetrically fixed on both sides of the tool holder body 4. One end of the nitrogen spring 8 is installed on the inner side of the spring support block 6 through the seventh hexagon socket head screw 20. The spring support block 6 and the spring clamping block 7 are fixedly connected and clamped on the outer surface of the nitrogen spring 8 through the sixth hexagon socket head screw 19. A mold is installed at the center of the other end of the nitrogen spring 8. A gas spring 16 is provided, and a gasket 9 is installed at the connection between one end of the mold gas spring 16 and the inner wall of the mounting seat 1. A block is installed on the surface of one side of the mounting seat 1 through a second hexagonal cylindrical head screw 12 to limit the position; during the groove processing of the steel pipe end, when the tool encounters the uneven resistance of the inner wall of the steel pipe, the tool is subjected to the radial force of the profiling to compress or stretch the nitrogen spring 8, and the tool holder body 4 can adaptively adjust its position under the action of the nitrogen spring 8. The nitrogen spring 8 can play a buffering role. The output pressure of the nitrogen spring 8 is stable to ensure the profiling effect, thereby ensuring that the tool uniformly processes the groove of the steel pipe end, with better finish and higher dimensional accuracy, avoiding excessive wear and damage of the tool, reducing material consumption and improving work efficiency; through the guide structure setting of the guide rail slider 2, the upper silver linear guide 14 and the tool holder body 4, the tool holder body 4 slides horizontally on the surface of the guide rail slider 2 with the upper silver linear guide 14, and the nitrogen spring 8 is symmetrically fixed on both sides of the tool holder body 4. The tool is installed and fixed on the tool holder body 4, and the nitrogen spring 8 provides elastic restoring force for the tool holder body 4.

[0021] like Figure 4 As shown, the profiling component 5 consists of a retaining ring 10, a profiling wheel 13, a pressure block 22, a deep groove ball bearing 23 and a central shaft. The retaining ring 10 is sleeved on the outer surface of one end of the central shaft of the profiling component 5, and the retaining ring 10 is located inside the profiling wheel 13. The deep groove ball bearing 23 is installed on the surface of the central shaft close to the retaining ring 10, and the pressure block 22 is installed on the surface of the deep groove ball bearing 23. The pressure block 22 and the deep groove ball bearing 23 are both located inside the profiling wheel 13. By matching the retaining ring 10, the profiling wheel 13, the pressure block 22, the deep groove ball bearing 23 and the central shaft, the overall profiling effect of (5) is better.

[0022] like Figure 1 、 Figure 3As shown, the guide rail slider 2 is a roller-type slider, and the guide rail slider 2 and the mounting seat 1 are fixedly installed by the fifth hexagon socket head screw 18; by setting the guide rail slider 2 as a roller-type slider, the guide rail slider 2 has the characteristics of ultra-high rigidity and ultra-heavy load capacity, and slides more smoothly.

[0023] like Figure 2 As shown, a fixing hole is opened on the surface of the tool holder body 4, and a fourth hexagon socket head screw 17 is installed inside the fixing hole. The tool holder body 4 and the upper silver linear guide 14 are fixedly installed by the third hexagon socket head screw 15; by opening a fixing hole on the surface of the tool holder body 4, the tool installation is made more secure and stable.

[0024] like Figure 1 、 Figure 2 As shown, the mounting seat 1 is subjected to seat heat treatment, and the nitrogen spring 8 is adjusted to the initial pressure; by subjecting the mounting seat 1 to seat heat treatment, the hardness of the mounting seat 1 is increased, and the mounting seat 1 is not easily deformed. By adjusting the nitrogen spring 8 to a suitable initial pressure, it is helpful to maintain a stable pressure output during the processing of the steel pipe end groove, ensure the profiling effect, increase the stability of the tool, and improve the processing accuracy.

[0025] like Figure 1 、 Figure 2 As shown, the gasket 9 is fixedly installed on the inner side of the mounting seat 1 by the eighth hexagon socket head screw 21; the gasket 9 is fixedly installed on the inner side of the mounting seat 1 by the eighth hexagon socket head screw 21, and the gasket 9 can effectively prevent the nitrogen spring 8 from crushing the tool holder, and the gasket 9 is easy to replace.

[0026] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic spring tool holder for steel pipe end beveling, comprising a mounting seat (1) and a pneumatic spring tool holder support structure, characterized in that: The pneumatic spring knife seat support structure is composed of a guide rail slider (2), a slider support plate (3), a knife seat body (4), a profiling component (5), a spring support block (6), a spring clamp block (7), a nitrogen spring (8), a gasket (9), and a silver linear guide rail (14). Two silver linear guide rails (14) parallel to each other are fixedly installed on the inner side of the mounting seat (1). The guide rail slider (2) is slidably connected to the silver linear guide rail (14) through a roller. The knife seat body (4) is fixedly connected to the slider support plate (3). One end of the profiling component (5) is fixedly installed at the center of one side of the knife seat body (4) through a first hexagon socket head screw (11). The spring support block (6) is symmetrically fixedly mounted on both sides of the knife seat body (4), one end of the nitrogen spring (8) is mounted on the inner side of the spring support block (6) through the seventh hexagon socket head screw (20), the spring support block (6) and the spring clamp (7) are fixedly connected and clamped to the outer surface of the nitrogen spring (8) through the sixth hexagon socket head screw (19), a mold gas spring (16) is mounted at the center of the other end of the nitrogen spring (8), a gasket (9) is mounted at the connection between one end of the mold gas spring (16) and the inner wall of the mounting seat (1), and a clamping block is symmetrically mounted on the surface of one side of the mounting seat (1) through the second hexagon socket head screw (12).

2. The pneumatic spring tool holder for steel pipe end beveling according to claim 1, characterized in that: The profiling component (5) is composed of a retaining ring (10), a profiling wheel (13), a pressure block (22), a deep groove ball bearing (23) and a central shaft. The retaining ring (10) is sleeved on the outer surface of one end of the central shaft of the profiling component (5). The retaining ring (10) is located inside the profiling wheel (13). The deep groove ball bearing (23) is installed on the surface of the central shaft close to the retaining ring (10). The pressure block (22) is installed on the surface of one side of the deep groove ball bearing (23). The pressure block (22) and the deep groove ball bearing (23) are both located inside the profiling wheel (13).

3. The pneumatic spring tool holder for steel pipe end beveling according to claim 1, characterized in that: The guide rail slider (2) is a roller-type slider, and the guide rail slider (2) and the mounting seat (1) are fixedly mounted via a fifth hexagon socket head screw (18).

4. The pneumatic spring tool holder for steel pipe end beveling according to claim 1, characterized in that: A fixing hole is provided on the surface of the tool holder body (4), a fourth hexagon socket head screw (17) is installed inside the fixing hole, and the tool holder body (4) and the upper silver linear guide rail (14) are fixedly installed via a third hexagon socket head screw (15).

5. The pneumatic spring tool holder for steel pipe end beveling according to claim 1, characterized in that: The mounting seat (1) undergoes seat heat treatment, and the nitrogen spring (8) is adjusted to an initial pressure.

6. The pneumatic spring tool holder for steel pipe end beveling according to claim 1, characterized in that: The gasket (9) is fixedly mounted on the inner side of the mounting seat (1) via an eighth hexagon socket head screw (21).

Images