A device for polishing and cleaning the inner wall of a seamless steel pipe

CN224643086UActive Publication Date: 2026-08-18JIANGSU KAILAI STEEL TUBE CO LTD
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Patent Information

Application Number
CN202521899000.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-04
Publication Date
2026-08-18
Estimated Expiration
2035-09-04

AI Technical Summary

Technical Problem

[0005]针对现有技术的不足,本实用新型提供了一种无缝钢管内壁抛光清理装置,解决了不具备调节的功能,因此导致装置在使用时只能对单一直径的无缝钢管进行清理作业,使得装置在作业时的局限性较高,降低了实用性能的问题

Benefits of technology

[0016](1)该无缝钢管内壁抛光清理装置,通过伸缩杆和调节杆之间的配合,可以对抛光刀作业时的外扩与内缩调节,通过对抛光刀的外扩与内缩调节使得装置可以对不同内径的无缝钢管内壁进行抛光作业,增加了装置的可调节性,降低了局限性,扩大了使用范围;

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Abstract

The utility model discloses a kind of seamless steel pipe inner wall polishing cleaning devices, including main ring body and the adjusting sleeve assembled in the inside of main ring body, the outer wall of the main ring body is equidistantly fixedly installed with multiple groups of mounting sleeve, the inside of the mounting sleeve is slidably installed with telescopic link, one end of the telescopic link is fixedly installed with tool rest, the inside of the tool rest is assembled with polishing cutter, the utility model relates to seamless steel pipe processing technical field.This seamless steel pipe inner wall polishing cleaning device, through the cooperation between telescopic link and adjusting lever, the outer expansion and inner shrinkage adjustment when polishing cutter operation can be carried out, through the outer expansion and inner shrinkage adjustment, so that the device can carry out polishing operation to the inner wall of seamless steel pipe of different inner diameter, through the cooperation of limiting groove and supporting spring, polishing cutter can be elastically supported when operation, through elastic support, it can be elastically contracted when polishing cutter operation meets metal bump, improve the security when polishing operation.
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Description

Technical Field

[0001] This utility model relates to the field of seamless steel pipe processing technology, specifically to a polishing and cleaning device for the inner wall of a seamless steel pipe. Background Technology

[0002] Seamless steel pipe is a type of pipe manufactured by piercing a solid tube blank or steel ingot through processes such as hot rolling, cold rolling, or cold drawing, resulting in a pipe wall without seams. Its manufacturing process and structural characteristics make it widely used in various industrial fields. During processing, the inner wall of seamless steel pipe requires polishing, thus necessitating the use of polishing and cleaning equipment.

[0003] The "Seamless Steel Pipe Inner Wall Cleaning Device" disclosed in publication number "CN218486784U" includes a conveying mechanism and a positioning mechanism working together. When the conveying mechanism conveys the seamless steel pipe to the position corresponding to the cleaning mechanism, the two guide plates on the positioning mechanism adjust the position of the seamless steel pipe during the movement. Furthermore, the positioning components further refine and fix the position of the seamless steel pipe, making it easier for the cleaning mechanism to clean the inner wall of the seamless steel pipe.

[0004] Traditional equipment lacks adjustment capabilities during operation, limiting its use to cleaning seamless steel pipes of a single diameter. This restricts its practicality and reduces its usability. To address this issue, we have designed a seamless steel pipe inner wall polishing and cleaning device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a seamless steel pipe inner wall polishing and cleaning device, which solves the problem that the lack of adjustment function means that the device can only clean seamless steel pipes of a single diameter, resulting in high limitations in operation and reduced practical performance.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a seamless steel pipe inner wall polishing and cleaning device, comprising a main ring body and an adjusting sleeve assembled inside the main ring body;

[0007] Multiple sets of mounting sleeves are fixedly installed at equal intervals on the outer wall of the main ring body. A telescopic rod is slidably installed inside each mounting sleeve. A tool holder is fixedly installed at one end of each telescopic rod. A polishing tool is assembled inside each tool holder. An assembly ring is fixedly installed on one side of the main ring body. An mounting base is fixedly installed on one side of the assembly ring.

[0008] Multiple sets of adjusting rods are movably installed at one end of the adjusting sleeve. One end of each adjusting rod is movably connected to the other end of the telescopic rod. A fixing plate is fixedly installed inside the main ring body. A threaded rod is rotatably installed on one side of the fixing plate. The threaded rod is threadedly connected to the adjusting sleeve. A rotating handwheel is fixedly installed at one end of the threaded rod.

[0009] A limiting rod is fixedly installed inside the tool holder, and an adjustment groove is provided on the polishing blade to cooperate with the limiting rod. A support spring is fixedly installed at the bottom inside the tool holder, and a limiting groove is provided at the center of the bottom of the polishing blade to cooperate with the support spring.

[0010] Preferably, multiple sets of cleaning plates are fixedly installed at equal intervals on the other side of the main ring body, and each cleaning plate is equipped with a brush plate on its exterior, with a bristle brush fixedly installed on the top of the brush plate.

[0011] Preferably, a locking shaft is threaded onto one side of the main ring body, and one end of the locking shaft extends into the interior of the mounting sleeve.

[0012] Preferably, a stabilizing slip ring is fixedly installed on one side inside the assembly ring, and a stabilizing groove is provided on the outer wall of the adjusting sleeve to cooperate with the stabilizing slip ring.

[0013] Preferably, the top and bottom of the mounting base are provided with adjustment holes, and the outer wall of the mounting base is fixedly installed with reinforcing ribs at equal intervals.

[0014] Preferably, the outer wall of the cleaning plate is provided with a mounting groove, and the bottom of the brush plate is fixedly installed with an assembly plate that cooperates with the mounting groove.

[0015] This invention provides a polishing and cleaning device for the inner wall of seamless steel pipes. Compared with the prior art, it has the following advantages:

[0016] (1) The seamless steel pipe inner wall polishing and cleaning device can adjust the outward expansion and inward contraction of the polishing knife during operation by means of the cooperation between the telescopic rod and the adjusting rod. By adjusting the outward expansion and inward contraction of the polishing knife, the device can polish the inner wall of seamless steel pipes with different inner diameters, which increases the adjustability of the device, reduces the limitations, and expands the scope of application.

[0017] (2) Through the combination of the limiting groove and the support spring, the polishing knife can be elastically supported during operation. The elastic support can provide elastic protection for the polishing knife during operation. The elastic support can also cause the polishing knife to elastically contract when it encounters metal protrusions during operation, thereby avoiding direct contact between the polishing knife and the metal protrusions inside the steel pipe, which would cause damage. This increases the functionality of the device and improves the safety of polishing operations. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the assembly ring structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the polishing knife structure of this utility model.

[0021] Figure 4 This is a front structural diagram of the present invention.

[0022] Figure 5 This is a cross-sectional structural diagram of the present invention.

[0023] Figure 6 This is a schematic diagram of the adjusting rod structure of this utility model.

[0024] In the diagram: 1. Main ring body; 101. Mounting sleeve; 102. Cleaning plate; 103. Mounting groove; 104. Locking shaft; 105. Assembly ring; 106. Stabilizing slip ring; 2. Telescopic rod; 201. Tool holder; 202. Polishing tool; 203. Adjustment groove; 204. Limiting groove; 205. Support spring; 206. Limiting rod; 3. Mounting base; 301. Adjustment hole; 302. Reinforcing rib; 4. Adjustment sleeve; 401. Stabilizing slide groove; 402. Adjustment rod; 5. Threaded rod; 501. Rotating handwheel; 502. Fixing plate; 6. Brush plate; 601. Brush; 602. Assembly plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0026] Example 1

[0027] Please see Figures 1-6As shown, this embodiment proposes a seamless steel pipe inner wall polishing and cleaning device, including a main ring body 1 and an adjusting sleeve 4 assembled inside the main ring body 1. Multiple sets of mounting sleeves 101 are fixedly installed at equal intervals on the outer wall of the main ring body 1. Telescopic rods 2 are slidably installed inside each mounting sleeve 101. A knife holder 201 is fixedly installed at one end of each telescopic rod 2. A polishing knife 202 is assembled inside each knife holder 201. An assembly ring 105 is fixedly installed on one side of the main ring body 1. An mounting base 3 is fixedly installed on one side of the assembly ring 105. Multiple sets of adjusting rods 402 are movably installed at one end of the adjusting sleeve 4. One end of each adjusting rod 402 is movably connected to the other end of the telescopic rod 2. A fixing plate 502 is fixedly installed inside the main ring body 1. A threaded rod 5 is rotatably installed on one side of the fixing plate 502. The threaded rod 5 is threadedly connected to the adjusting sleeve 4. A rotating handwheel 501 is fixedly installed at one end of the threaded rod 5.

[0028] In use, the main ring body 1 is inserted into the interior of the seamless steel pipe. An assembly ring 105 is fixedly installed on one side of the main ring body 1, and a mounting base 3 is fixedly installed on one side of the assembly ring 105. The mounting base 3 can be connected to an external drive device, allowing the main ring body 1 to rotate. Multiple sets of mounting sleeves 101 are fixedly installed at equal intervals on the outer wall of the main ring body 1, and each mounting sleeve 101 has a movable telescopic rod 2 inside. A tool holder 201 is fixedly installed at one end of each telescopic rod 2, and a polishing knife 202 is installed inside each tool holder 201. When the main ring body 1 rotates, it can synchronously drive the telescopic rod 2 and the polishing knife 202 to rotate, thus polishing the interior of the seamless steel pipe through the polishing knife 202. An adjusting sleeve 4 has an adjusting rod 402 movably installed at one end, corresponding to the telescopic rod 2, and one end of the adjusting rod 402 is connected to... The bottom of the telescopic rod 2 is movably connected, allowing the adjusting rod 402 to support the telescopic rod 2 as it rises and falls by adjusting the adjusting sleeve 4. When the telescopic rod 2 rises, the polishing blade 202 expands outward; when the telescopic rod 2 falls, the polishing blade 202 retracts inward. By expanding and retracting the polishing blade 202, seamless steel pipes of different inner diameters can be polished, increasing the adjustability of the device and reducing limitations in use. A fixing plate 502 is fixedly installed on one side inside the main ring 1, and a threaded rod 5, which is threadedly connected to the adjusting sleeve 4, is rotatably installed on one side of the fixing plate 502. By rotating the threaded rod 5, the adjusting sleeve 4 can be adjusted, and the handwheel 501 facilitates the operation of the operator when rotating the threaded rod 5, thereby improving the operator's ability to adjust the polishing blade 202 outward and inward.

[0029] Example 2

[0030] Based on Example 1, such as Figure 3As shown, a limiting rod 206 is fixedly installed inside the tool holder 201, and an adjustment groove 203 is provided on the polishing blade 202 to cooperate with the limiting rod 206. A support spring 205 is fixedly installed at the bottom inside the tool holder 201, and a limiting groove 204 is provided at the center of the bottom of the polishing blade 202 to cooperate with the support spring 205.

[0031] In use, the polishing blade 202 is installed inside the blade holder 201. The limiting rod 206 inside the blade holder 201 is inserted into the adjusting groove 203, and the support spring 205 installed inside the blade holder 201 is inserted into the limiting groove 204. Thus, the limiting groove 204 and the support spring 205 can provide elastic support for the polishing blade 202 during operation. Through elastic support, the polishing blade 202 can elastically contract when it encounters metal protrusions during operation, thereby avoiding direct contact between the polishing blade 202 and the metal protrusions inside the steel pipe, which could cause damage. This increases the functionality of the device and improves the safety of polishing operations.

[0032] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, multiple cleaning plates 102 are fixedly installed at equal intervals on the other side of the main ring body 1. Each cleaning plate 102 is equipped with a brush plate 6 on its exterior, and a brush 601 is fixedly installed on the top of the brush plate 6.

[0033] In use, the cleaning plate 102 can be assembled with the brush plate 6. The brush 601 on the outer wall of the brush plate 6 can be cleaned before the polishing knife 202 polishes the inside of the seamless steel pipe, ensuring the cleanliness of the polishing knife 202 when polishing the inner wall of the seamless steel pipe.

[0034] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a locking shaft 104 is threadedly installed on one side of the main ring body 1, and one end of the locking shaft 104 extends into the interior of the mounting sleeve 101.

[0035] In use, the locking shaft 104 rotates one end to contact the outer wall of the telescopic rod 2, thereby ensuring the stability of the telescopic rod 2 during operation after adjustment and preventing the telescopic rod 2 from becoming loose and unstable after extension adjustment.

[0036] like Figure 5 As shown, a stabilizing slip ring 106 is fixedly installed on one side inside the assembly ring 105, and a stabilizing groove 401 is provided on the outer wall of the adjusting sleeve 4 to cooperate with the stabilizing slip ring 106.

[0037] In use, the stabilizing slip ring 106 is slidably installed inside the stabilizing slide groove 401. Thus, the stabilizing slip ring 106 and the stabilizing slide groove 401 cooperate to limit the path of the adjusting sleeve 4 during adjustment, ensuring the stability of the adjusting sleeve 4 during adjustment.

[0038] like Figure 1 As shown, the top and bottom of the mounting base 3 are provided with adjustment holes 301, and the outer wall of the mounting base 3 is fixedly installed with reinforcing ribs 302 at equal intervals.

[0039] In use, the adjustment hole 301 allows the operator to easily insert their hand into the mounting base 3 to rotate the handwheel 501, improving the convenience of the operator when adjusting the device. The reinforcing rib 302 increases the strength of the mounting base 3 and improves the stability of the mounting base 3 when it drives the main ring body 1 to rotate.

[0040] like Figure 4 As shown, the outer wall of the cleaning plate 102 is provided with a mounting groove 103, and the bottom of the brush plate 6 is fixedly installed with an assembly plate 602 that cooperates with the mounting groove 103.

[0041] During use, each brush plate 6 has a mounting plate 602 fixedly installed at its bottom. The mounting plate 602 is inserted into the mounting groove 103. The brush plate 6 can be installed and disassembled by the cooperation of the mounting plate 602 and the mounting groove 103, which makes it convenient for staff to replace the brush plate 6 in the future. This allows the brush plate 6 to clean seamless steel pipes with different inner diameters.

[0042] Working principle: The mounting base 3 is connected to an external drive device, which facilitates the rotation of the main ring 1. The extension and retraction of the telescopic rod 2 within the mounting sleeve 101 allows for the expansion and contraction of the polishing blade 202, enabling the device to polish seamless steel pipes of different inner diameters. The operator can move the adjusting sleeve 4 by rotating the threaded rod 5, which allows the adjusting rod 402 to support the telescopic rod 2 as it rises and falls. The support spring 205 and the limiting groove 204 provide elastic support for the polishing blade 202 during operation. This elastic support allows the polishing blade 202 to elastically retract when encountering metal protrusions during operation, thus preventing direct contact between the polishing blade 202 and the metal protrusions inside the steel pipe, which could cause damage.

[0043] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A polishing and cleaning device for the inner wall of a seamless steel pipe, characterized in that: Includes the main ring body and the adjusting sleeve assembled inside the main ring body; Multiple sets of mounting sleeves are fixedly installed at equal intervals on the outer wall of the main ring body. A telescopic rod is slidably installed inside each mounting sleeve. A tool holder is fixedly installed at one end of each telescopic rod. A polishing tool is assembled inside each tool holder. An assembly ring is fixedly installed on one side of the main ring body. An mounting base is fixedly installed on one side of the assembly ring. Multiple sets of adjusting rods are movably installed at one end of the adjusting sleeve. One end of each adjusting rod is movably connected to the other end of the telescopic rod. A fixing plate is fixedly installed inside the main ring body. A threaded rod is rotatably installed on one side of the fixing plate. The threaded rod is threadedly connected to the adjusting sleeve. A rotating handwheel is fixedly installed at one end of the threaded rod. A limiting rod is fixedly installed inside the tool holder, and an adjustment groove is provided on the polishing blade to cooperate with the limiting rod. A support spring is fixedly installed at the bottom inside the tool holder, and a limiting groove is provided at the center of the bottom of the polishing blade to cooperate with the support spring.

2. The seamless steel pipe inner wall polishing and cleaning device according to claim 1, characterized in that: Multiple cleaning plates are fixedly installed at equal intervals on the other side of the main ring body. Each cleaning plate is equipped with a brush plate on its exterior, and a brush is fixedly installed on the top of the brush plate.

3. The seamless steel pipe inner wall polishing and cleaning device according to claim 1, characterized in that: One side of the main ring is threaded with a locking shaft, one end of which extends into the interior of the mounting sleeve.

4. The seamless steel pipe inner wall polishing and cleaning device according to claim 1, characterized in that: A stabilizing slip ring is fixedly installed on one side inside the assembly ring, and a stabilizing groove is provided on the outer wall of the adjusting sleeve to cooperate with the stabilizing slip ring.

5. The seamless steel pipe inner wall polishing and cleaning device according to claim 1, characterized in that: The mounting base has adjustment holes at both the top and bottom, and reinforcing ribs are fixedly installed at equal intervals on the outer wall of the mounting base.

6. The seamless steel pipe inner wall polishing and cleaning device according to claim 2, characterized in that: The outer wall of the cleaning plate is provided with an installation groove, and the bottom of the brush plate is fixedly installed with an assembly plate that cooperates with the installation groove.