Seamless tube inner wall grinding equipment

By designing a seamless pipe inner wall grinding equipment with a power spindle driving the louver grinding head, the problems of low efficiency and high cost of manual grinding in the prior art are solved, automatic grinding is realized, efficiency and quality are improved, and steel pipes of different sizes are adapted.

CN222661027UActive Publication Date: 2025-03-25XINDA KECHUANG TANGSHAN PETROLEUM EQUIP CO LTD
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Patent Information

Application Number
CN202420968119.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-03-25
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

In the prior art, grinding the inner wall of steel pipes requires manual operation, which is low efficiency, high cost and unstable grinding quality, which affects product quality and production progress.

Method used

A seamless pipe inner wall grinding equipment is designed, and the inner wall of the steel pipe is cleaned and polished by a power spindle driving the louver grinding head. The stability of power output is ensured through the installation of bearings and oil seals, and the replacement louver grinding head is used to adapt to steel pipes of different sizes.

Benefits of technology

Automatic polishing is realized, which significantly reduces the time and cost of manual operation, improves work efficiency and polishing quality, and expands the scope of application.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222661027U_ABST
Patent Text Reader

Abstract

The utility model discloses seamless tube inner wall polishing equipment which comprises a polishing head shell, a power main shaft is installed in the polishing head shell through two sets of bearings and oil seals, external threads are arranged on the outer walls of the two ends of the power main shaft, and one end of the power main shaft penetrates through the polishing head shell and then is installed on a connecting rod in a threaded mode. A threaded rod is connected to the other end of the connecting rod, two pressing pieces are connected to a rod body of the threaded rod in a threaded mode, and a shutter polishing head is arranged between the two pressing pieces and connected to the threaded rod. The device is safe, reliable, convenient and fast, the power output device is used for driving the shutter polishing head to clean and polish the inner wall of the steel pipe, labor and cost are greatly reduced, working efficiency and polishing quality are greatly improved, different shutter polishing heads can be replaced according to needs, polishing of steel pipes of different sizes can be met, and the device is suitable for popularization and application. And the application range is expanded.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a seamless pipe inner wall grinding device. Background Art

[0002] During the reproduction process of seamless pipes, the inner wall needs to be cleaned and brightly polished after large-diameter cleaning and annealing to improve the quality of the inner wall. Nowadays, the inner wall of the steel pipe needs to be polished manually, which is time-consuming and labor-intensive, extremely inefficient, and the polishing quality is not satisfactory, which seriously affects product quality and production progress. Utility Model Content

[0003] The utility model aims to provide a seamless pipe inner wall grinding device to solve the above-mentioned problems.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a seamless pipe inner wall grinding device, comprising a grinding head shell, a power spindle is installed inside the grinding head shell through two groups of bearings and oil seals, external threads are opened on the outer walls at both ends of the power spindle, one end of the power spindle passes through the grinding head shell and is threadedly installed on a connecting rod, the other end of the connecting rod is connected to a threaded rod, two pressing plates are threadedly connected to the rod body of the threaded rod, a louver grinding head is arranged between the two pressing plates, and the louver grinding head is connected to the threaded rod.

[0006] Furthermore, an inner wall of one end of the grinding head housing away from the connecting rod is provided with an internal thread.

[0007] Furthermore, a retaining spring is provided between the oil seal near one end of the connecting rod and the grinding head housing.

[0008] Furthermore, a nut is provided on the outer side of the pressing sheet, and the nut is threadedly connected to the threaded rod.

[0009] Compared with the prior art, the beneficial technical effects of the utility model are:

[0010] The utility model is safe, reliable, convenient and fast. It uses a power output device to drive the louver grinding head to clean and grind the inner wall of the steel pipe, which greatly reduces labor and costs, greatly improves work efficiency and grinding quality, and can replace different louver grinding heads according to needs, which can meet the grinding of steel pipes of different sizes and expand the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model will be further described below in conjunction with the accompanying drawings.

[0012] Figure 1This is an exploded view of the seamless pipe inner wall grinding equipment of the utility model;

[0013] Figure 2 This is a cross-sectional view of the structure of the seamless pipe inner wall grinding equipment of the utility model;

[0014] Explanation of the reference numerals: 1. grinding head housing; 2. bearing; 3. oil seal; 4. power spindle; 5. external thread; 6. connecting rod; 7. threaded rod; 8. pressing plate; 9. internal thread; 10. retaining ring; 11. nut. DETAILED DESCRIPTION

[0015] like Figure 1-2 As shown, a seamless pipe inner wall grinding device includes a grinding head shell 1, a power spindle 4 is installed inside the grinding head shell 1 through two sets of bearings 2 and an oil seal 3, external threads 5 are opened on the outer walls of both ends of the power spindle 4, one end of the power spindle 4 passes through the grinding head shell 1 and is threadedly installed on a connecting rod 6, the other end of the connecting rod 6 is connected to a threaded rod 7, two pressing plates 8 are threadedly connected to the rod body of the threaded rod 7, a louver grinding head is provided between the two pressing plates 8, and the louver grinding head is connected to the threaded rod 7.

[0016] An internal thread 9 is formed on the inner wall of one end of the grinding head housing 1 away from the connecting rod 6 , and the grinding head housing 1 is connected to the power output device through the internal thread 9 on the grinding head housing 1 and the external thread 5 on the end of the power spindle 4 .

[0017] A retaining spring 10 is provided between the oil seal 3 near one end of the connecting rod 6 and the grinding head housing 1 .

[0018] The outer side of the pressing plate 8 is provided with a nut 11, and the nut 11 is threadedly connected to the threaded rod 7. The pressing plate 8 is fastened by the nut 11, so that the two pressing plates 8 can firmly fix the louver grinding head, and different models of louver grinding heads can be replaced according to needs.

[0019] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A seamless pipe inner wall grinding device, characterized in that: The invention comprises a grinding head shell (1), wherein a power spindle (4) is installed inside the grinding head shell (1) via two sets of bearings (2) and an oil seal (3), external threads (5) are provided on the outer walls at both ends of the power spindle (4), one end of the power spindle (4) passes through the grinding head shell (1) and is threadedly installed on a connecting rod (6), the other end of the connecting rod (6) is connected to a threaded rod (7), two pressing plates (8) are threadedly connected to the rod body of the threaded rod (7), a louver grinding head is provided between the two pressing plates (8), and the louver grinding head is connected to the threaded rod (7).

2. The seamless pipe inner wall grinding equipment according to claim 1, characterized in that: An internal thread (9) is formed on the inner wall of one end of the grinding head housing (1) away from the connecting rod (6).

3. The seamless pipe inner wall grinding equipment according to claim 1, characterized in that: A retaining spring (10) is provided between the oil seal (3) near one end of the connecting rod (6) and the grinding head housing (1).

4. The seamless pipe inner wall grinding equipment according to claim 1, characterized in that: The outer sides of the pressing sheets (8) are each provided with a nut (11), and the nut (11) is threadedly connected to the threaded rod (7).