Special polishing machine for finishing pipe body of pipe fitting base based on metallographic detection

By designing an adjustable polishing wheel position and clamping structure, the problem of traditional polishing machines being unable to adapt to pipes of different sizes is solved, achieving efficient pipe polishing results and meeting the surface finish and mechanical performance requirements of metallographic testing.

CN223889720UActive Publication Date: 2026-02-10QINGDAO HEMAI PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202520439471.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-10
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Traditional polishing machines have difficulty effectively adjusting the position of the polishing wheel to meet the needs of different pipe fittings when polishing pipe fittings of different sizes.

Method used

A special polishing machine for finishing pipe fitting bases and pipe bodies based on metallographic testing was designed. Through the combination structure of mounting shaft and rotating shaft, the distance and position of the polishing wheel can be adjusted. Combined with the use of telescopic grooves and limit blocks of clamping blocks, it is ensured that the polishing wheel can adapt to pipe fittings of different sizes.

Benefits of technology

It enables effective polishing of pipe fittings of different sizes, ensuring polishing quality and consistency, and meeting the surface finish and mechanical performance requirements of metallographic testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of special polishing machines, in particular to a metallographic detection-based special polishing machine for finishing a pipe body of a pipe fitting base, which comprises a support, a slide rail groove is arranged on the upper surface of the support, a mounting shaft is slidably mounted in the slide rail groove, and a plurality of clamping blocks are fixedly mounted on the side wall of the mounting shaft in an annular array manner. A plurality of limiting blocks are symmetrically installed on the installation shaft in a clamped mode, a plurality of polishing wheels are installed on the installation shaft in a clamped mode, the polishing wheels are located between the limiting blocks on the two sides, a rotating groove a is formed in the upper surface of the support, and a plurality of telescopic grooves are formed in the side wall of the rotating shaft a in an annular array mode. According to the special polishing machine for finishing the pipe body of the pipe base based on metallographic detection, the mounting shaft is arranged, the distance between the polishing wheels on the mounting shaft and the pipe is adjusted by rotating the lead screw, so that the polishing pressure is adjusted, the size and number of the polishing wheels are adjusted according to the part needing to be polished, and the positions of the polishing wheels are adjusted by sliding the limiting blocks; therefore, the device is suitable for polishing different pipe bodies.
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Description

Technical Field

[0001] This utility model relates to the field of special polishing machines, and in particular to a special polishing machine for finishing pipe fitting bases and pipe bodies based on metallographic testing. Background Technology

[0002] Polishing essentially removes tiny protrusions from a material's surface through mechanical actions (such as friction and grinding) or chemical actions (such as corrosion and dissolution), resulting in a smooth and flat surface. By precisely controlling the polishing process, it ensures that the pipe fitting surface achieves ideal smoothness, microstructure, and mechanical properties, while also meeting the requirements of metallographic testing. Based on the needs of metallographic testing, polishing machines can adjust polishing parameters (such as rotation speed, pressure, and abrasive particle size) to obtain a surface condition suitable for microscopic observation. Polishing machines effectively remove burrs, scratches, and other defects from the pipe fitting surface, making it smoother and flatter.

[0003] When using a polishing machine, there is a problem that traditional polishing machines are not convenient for polishing different parts of pipe fittings with different lengths and radii. In view of this, a special polishing machine for finishing pipe fitting base and body based on metallographic testing is provided. Utility Model Content

[0004] The main purpose of this utility model is to provide a special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing, so as to solve the problem mentioned in the related technology that when using a polishing machine, it is inconvenient to polish different positions of the pipe fitting when polishing pipe fittings of different sizes.

[0005] To achieve the above objectives, according to one aspect of this utility model, a special polishing machine for finishing pipe fitting bases based on metallographic testing is provided, comprising a support, a slide rail groove on the upper surface of the support, an installation shaft slidably installed in the slide rail groove, a plurality of clamping blocks fixedly installed in a ring array on the side wall of the installation shaft, a plurality of limiting blocks symmetrically clamped on the installation shaft, and a plurality of polishing wheels clamped on the installation shaft, the polishing wheels being located between the two limiting blocks on both sides, and further comprising: a rotating shaft a, a rotating groove a on the upper surface of the support, the rotating shaft a rotatably installed in the rotating groove a, a plurality of telescopic grooves in a ring array on the side wall of the rotating shaft a, clamping blocks slidably installed in the telescopic grooves, a rotating groove c communicating with the telescopic grooves in the rotating shaft a, and a rotating shaft b rotatably installed in the rotating groove c.

[0006] Furthermore, a lead screw is rotatably installed in the slide rail groove, and a lead screw nut is slidably installed in the slide rail groove. The lead screw nut is threadedly engaged with the lead screw and has a T-shaped structure adapted to the slide rail groove. The lead screw nut is fixedly installed at one end of the mounting shaft.

[0007] Furthermore, the card block surface is provided with several fixing screw holes, the side wall of the limiting block is provided with a mounting hole, the side wall of the limiting block is provided with a limiting groove that communicates with the mounting hole, the arc-shaped side wall of the limiting block is provided with a positioning screw hole that communicates with the limiting groove, and a fixing bolt is fixedly installed in the positioning screw hole.

[0008] Furthermore, a pipe fitting is snapped onto the rotating shaft a, a support block is fixedly installed on the side wall of the rotating shaft a, the upper surface of the support block is tightly fitted with the lower surface of the pipe fitting, a motor is fixedly installed at the bottom of the rotating groove a, and the output shaft of the motor is fixedly connected to the rotating shaft a.

[0009] Furthermore, the bottom of the telescopic groove is symmetrically provided with several mounting grooves, and a spring is fixedly installed at the bottom of the mounting groove. The other end of the spring is fixedly installed on one side of the clamping block. A protrusion b is fixedly installed on one side of the clamping block, and the other side of the clamping block has an arc-shaped structure, with the protrusion b having an arc-shaped structure.

[0010] Furthermore, a number of protrusions a are fixedly installed on the side wall of the rotating shaft b. The number of protrusions a is the same as the number of clamping blocks. The protrusions a have an arc-shaped structure. When the clamping blocks clamp the pipe fitting, the arc wall of the protrusion b fits against the arc wall of the protrusion a. A rotating groove b is opened on the side wall of the rotating shaft a. A through hole communicating with the rotating groove c is opened on the upper surface of the rotating groove b. A connecting shaft is fixedly installed at one end of the rotating shaft b. The connecting shaft is rotatably installed in the through hole. A handle is fixedly installed at the other end of the connecting shaft. The handle is rotatably installed in the rotating groove b. A threaded hole is opened through the handle near one edge. A bolt is threaded in the threaded hole.

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

[0012] 1. This metallographic testing-based pipe fitting base and pipe body finishing polishing machine is equipped with an installation shaft. The distance between the polishing wheel on the installation shaft and the pipe fitting is adjusted by rotating the screw to adjust the polishing pressure. The size and number of polishing wheels can be adjusted according to the part to be polished. The position of the polishing wheel can be adjusted by sliding the limit block to suit different pipe polishing applications.

[0013] 2. This special polishing machine for finishing pipe body base based on metallographic testing is equipped with a rotating shaft. The side wall of the rotating shaft has several telescopic grooves arranged in a ring. Clamping blocks are slidably installed in the telescopic grooves. Rotating the handle drives the rotating shaft b to rotate. The protrusion a on the side wall of the rotating shaft b clamps the protrusion b to control the extension distance of the clamping block, so as to fix the pipe body of different sizes. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a special polishing machine for finishing the pipe body of a pipe fitting base based on metallographic testing in a preferred embodiment of this utility model;

[0015] Figure 2This is a cross-sectional view of a special polishing machine for finishing the pipe body of a pipe fitting base based on metallographic testing, as described in a preferred embodiment of this utility model.

[0016] Figure 3 This is a schematic diagram of the mounting shaft structure in a preferred embodiment of the present invention;

[0017] Figure 4 This is a schematic diagram of the rotating shaft structure in a preferred embodiment of the present invention;

[0018] Figure 5 This is a cross-sectional view of the rotating shaft structure in a preferred embodiment of the present invention;

[0019] Figure 6 This is a cross-sectional view of the rotating shaft structure in a preferred embodiment of the present invention;

[0020] Figure 7 This is a schematic diagram of the clamping block structure in a preferred embodiment of the present invention;

[0021] Figure 8 This is a schematic diagram of the rotating shaft b structure in a preferred embodiment of the present invention;

[0022] Figure 9 This is a schematic diagram of the limiting block structure in a preferred embodiment of the present invention.

[0023] Illustration:

[0024] 1. Support; 11. Slide rail groove; 12. Rotary groove a; 111. Lead screw; 121. Motor;

[0025] 2. Mounting shaft; 21. Lead screw nut; 22. Clamping block; 23. Limiting block; 24. Polishing wheel; 221. Fixing screw hole; 231. Mounting hole; 232. Limiting groove; 233. Positioning screw hole;

[0026] 3. Rotating shaft a; 31. Pipe fitting; 32. Rotating groove b; 33. Rotating groove c; 34. Connecting shaft; 35. Telescopic groove; 36. Mounting groove; 311. Support block; 341. Handle; 342. Threaded hole; 343. Rotating shaft b; 344. Protrusion a; 351. Clamping block; 352. Protrusion b; 361. Spring. Detailed Implementation

[0027] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0028] Please see Figures 1-9As shown, the purpose of this embodiment is to provide a special polishing machine for finishing the pipe body of a pipe fitting base based on metallographic testing. It includes a support 1, with a slide rail groove 11 on the upper surface of the support 1. A mounting shaft 2 is slidably installed in the slide rail groove 11. Several locking blocks 22 are fixedly installed in a circular array on the side wall of the mounting shaft 2. Several limiting blocks 23 are symmetrically locked onto the mounting shaft 2. Several polishing wheels 24 are locked onto the mounting shaft 2, located between the two limiting blocks 23. It also includes a rotating shaft a3. A rotating groove a12 is opened on the upper surface of the support 1. The rotating shaft a3 is rotatably installed in the rotating groove a12. Several telescopic grooves 35 are opened in a circular array on the side wall of the rotating shaft a3. Clamping blocks 351 are slidably installed in the telescopic grooves 35. A rotating groove c33 communicating with the telescopic grooves 35 is opened in the rotating shaft a3. A rotating shaft b343 is rotatably installed in the rotating groove c33.

[0029] A lead screw 111 is rotatably installed in the slide rail groove 11, and a lead screw nut 21 is slidably installed in the slide rail groove 11. The lead screw nut 21 is threadedly engaged with the lead screw 111 and has a T-shaped structure that is adapted to the slide rail groove 11. The lead screw nut 21 is fixedly installed at one end of the mounting shaft 2. Rotating the lead screw 111 drives the mounting shaft 2 to slide, thereby controlling the distance between the polishing wheel 24 and the pipe fitting 31, and adjusting the pressure of the polishing wheel 24 on the pipe fitting 31 during polishing.

[0030] The surface of the card block 22 is provided with several fixing screw holes 221. The side wall of the limiting block 23 is provided with a mounting hole 231. The side wall of the limiting block 23 is provided with a limiting groove 232 that communicates with the mounting hole 231. The arc-shaped side wall of the limiting block 23 is provided with a positioning screw hole 233 that communicates with the limiting groove 232. A fixing bolt is fixedly installed in the positioning screw hole 233. Tighten the fixing bolt in the positioning screw hole 233 and thread it into the fixing screw hole 221 to fix the position of the polishing wheel 24.

[0031] A pipe fitting 31 is snapped onto the rotating shaft a3. A support block 311 is fixedly installed on the side wall of the rotating shaft a3. The upper surface of the support block 311 is in close contact with the lower surface of the pipe fitting 31. A motor 121 is fixedly installed at the bottom of the rotating groove a12. The output shaft of the motor 121 is fixedly connected to the rotating shaft a3. The motor 121 provides power to the rotating shaft a3 and drives the rotating shaft a3 to rotate, thereby causing the pipe fitting 31 to rotate and rub against the polishing wheel 24 to polish the pipe fitting 31.

[0032] The bottom of the telescopic groove 35 is symmetrically provided with several mounting grooves 36. A spring 361 is fixedly installed at the bottom of the mounting groove 36. The other end of the spring 361 is fixedly installed on one side of the clamping block 351. A protrusion b352 is fixedly installed on one side of the clamping block 351. The other side of the clamping block 351 has an arc-shaped structure. The protrusion b352 has an arc-shaped structure. The arc-shaped structure on one side of the clamping block 351 is used to press against the inner wall of the pipe fitting 31 to fix the pipe fitting 31. When it is not necessary to press against the pipe fitting 31 through the clamping block 351, the arc shape of the protrusion b352 is in contact with the side wall of the rotating shaft b343.

[0033] Several protrusions a344 ​​are fixedly installed on the side wall of the rotating shaft b343. The number of protrusions a344 ​​is the same as the number of clamping blocks 351. The protrusions a344 ​​are arc-shaped. When the clamping blocks 351 tighten against the pipe fitting 31, the arc wall of the protrusion b352 fits against the arc wall of the protrusion a344. A rotating groove b32 is opened on the side wall of the rotating shaft a3. A through hole communicating with the rotating groove c33 is opened on the upper surface of the rotating groove b32. A connecting shaft 34 is fixedly installed at one end of the rotating shaft b343. The connecting shaft 34 is rotatably installed in the through hole. A handle 3 is fixedly installed at the other end of the connecting shaft 34. 41. The handle 341 is rotatably installed in the rotating groove b32. A threaded hole 342 is opened through the surface of the handle 341 near one edge. A bolt is installed in the threaded hole 342. Rotating the handle 341 drives the rotating shaft b343 to rotate. The protrusion a344 ​​on the side wall of the rotating shaft b343 presses against the protrusion b352 on one side of the clamping block 351. The clamping block 351 presses against the inner wall of the pipe fitting 31 to fix the pipe fitting 31 of different sizes. Tightening the bolt in the threaded hole 342 presses against the lower surface of the support block 311 to fix the position of the rotating shaft b343.

[0034] In practical use, when polishing pipe fittings 31 of different sizes is required, the pipe fitting 31 is clamped onto the rotating shaft a3, and the handle 341 is rotated to drive the rotating shaft b343 to rotate. The protrusion a344 ​​on the side wall of the rotating shaft b343 presses against the protrusion b352 on one side of the clamping block 351, and the clamping block 351 presses against the inner wall of the pipe fitting 31 to fix the pipe fitting 31. According to the polishing position, several polishing wheels 24 are clamped onto the mounting shaft 2. After the sliding limit block 23 changes the position of the polishing wheel 24, the fixing bolt in the positioning screw hole 233 is tightened and installed into the fixing screw hole 221 to fix the position of the polishing wheel 24. The polishing wheel 24 is brought closer to the pipe fitting 31 by the lead screw 111. The motor 121 provides power to the rotating shaft a3 to make the pipe fitting 31 rotate, thereby polishing the pipe fitting 31.

[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing, including a support (1), characterized in that, The support (1) has a slide rail groove (11) on its upper surface. An installation shaft (2) is slidably installed in the slide rail groove (11). Several locking blocks (22) are fixedly installed in a ring array on the side wall of the installation shaft (2). Several limiting blocks (23) are symmetrically locked onto the installation shaft (2). Several polishing wheels (24) are locked onto the installation shaft (2). The polishing wheels (24) are located between the two limiting blocks (23). The support (1) also includes: Rotating shaft a (3), the upper surface of support (1) is provided with a rotating groove a (12), rotating shaft a (3) is rotatably installed in rotating groove a (12), the side wall of rotating shaft a (3) is provided with several telescopic grooves (35) in a ring array, clamping block (351) is slidably installed in telescopic groove (35), rotating groove c (33) is provided in rotating shaft a (3) to connect telescopic groove (35), rotating shaft b (343) is rotatably installed in rotating groove c (33).

2. The special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing as described in claim 1, characterized in that, A lead screw (111) is rotatably installed in the slide rail groove (11), and a lead screw nut (21) is slidably installed in the slide rail groove (11). The lead screw nut (21) is threadedly engaged with the lead screw (111), and the lead screw nut (21) is a T-shaped structure adapted to the slide rail groove (11). The lead screw nut (21) is fixedly installed at one end of the mounting shaft (2).

3. The special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing as described in claim 1, characterized in that, The card block (22) has several fixing screw holes (221) on its surface. The side wall of the limiting block (23) has a through mounting hole (231). The side wall of the limiting block (23) has a limiting groove (232) that connects to the mounting hole (231). The arc-shaped side wall of the limiting block (23) has a positioning screw hole (233) that connects to the limiting groove (232). A fixing bolt is fixedly installed in the positioning screw hole (233).

4. The special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing as described in claim 1, characterized in that, A pipe fitting (31) is snapped onto the rotating shaft a (3), and a support block (311) is fixedly installed on the side wall of the rotating shaft a (3). The upper surface of the support block (311) is tightly fitted with the lower surface of the pipe fitting (31). A motor (121) is fixedly installed at the bottom of the rotating groove a (12), and the output shaft of the motor (121) is fixedly connected to the rotating shaft a (3).

5. The special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing according to claim 1, characterized in that, The bottom of the telescopic groove (35) is symmetrically provided with several installation grooves (36). A spring (361) is fixedly installed at the bottom of the installation groove (36). The other end of the spring (361) is fixedly installed on one side of the clamping block (351). A protrusion b (352) is fixedly installed on one side of the clamping block (351). The other side of the clamping block (351) is an arc-shaped structure, and the protrusion b (352) is an arc-shaped structure.

6. The special polishing machine for finishing pipe fitting base and pipe body based on metallographic testing according to claim 1, characterized in that, The rotating shaft b (343) has several protrusions a (344) fixedly installed on its side wall. The number of protrusions a (344) is the same as the number of clamping blocks (351). The protrusions a (344) are arc-shaped. When the clamping blocks (351) press against the pipe fitting (31), the arc wall of the protrusion b (352) fits against the arc wall of the protrusion a (344). The rotating shaft a (3) has a rotating groove b (32) on its side wall. The upper surface of the rotating groove b (32) has a through hole that connects to the rotating groove c (33). A connecting shaft (34) is fixedly installed at one end of the rotating shaft b (343). The connecting shaft (34) is rotatably installed in the through hole. A handle (341) is fixedly installed at the other end of the connecting shaft (34). The handle (341) is rotatably installed in the rotating groove b (32). A threaded hole (342) is opened through the surface of the handle (341) near one side edge. A bolt is threaded in the threaded hole (342).