Steel pipe inner wall treatment equipment
By designing an adaptive steel pipe inner wall treatment device, the problem that existing equipment cannot closely follow the shape of the inner wall of the steel pipe has been solved, achieving uniform grinding and efficient processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINPENGYUAN INTELLIGENT EQUIP GRP
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-08
AI Technical Summary
Existing steel pipe inner wall treatment equipment cannot adaptively adjust and cannot closely follow the subtle undulations and irregular shapes of the steel pipe inner wall, resulting in uneven grinding.
A steel pipe inner wall treatment device was designed, comprising a base, positioning rod, motor, transmission sleeve, grinding cylinder, and grinding disc. Through the thread adjustment of the transmission sleeve and the spring structure of the support frame, adaptive fitting and uniform grinding of the steel pipe inner wall are achieved.
It achieves adaptive adjustment based on the length of the steel pipe, ensuring optimal fit between the grinding components and the inner wall, thus improving the uniformity and efficiency of grinding.
Smart Images

Figure CN224209595U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel pipe processing, specifically to a steel pipe inner wall treatment device. Background Technology
[0002] As an indispensable basic material in industrial production, steel pipes play a key role in many fields. In the process of steel pipe processing, the inner wall treatment mainly relies on manual operation. Workers use tools such as sandpaper and files to grind the inside of the steel pipe. This manual processing method is extremely inefficient. For long or large-diameter steel pipes, processing a single steel pipe requires a lot of time and labor costs. Therefore, there is a need for steel pipe inner wall treatment equipment.
[0003] Existing steel pipe inner wall treatment equipment is not convenient to adjust according to the length of the steel pipe during operation, is not easy to self-adjust, and cannot closely follow the slight undulations and irregular shapes of the inner wall of the steel pipe. When there are local depressions or protrusions on the inner wall of the steel pipe, the grinding parts may not fit well in these areas, resulting in uneven grinding. Therefore, there is an urgent need for a steel pipe inner wall treatment equipment. Utility Model Content
[0004] Based on this, the purpose of this utility model is to provide a steel pipe inner wall treatment device to solve the problems of existing steel pipe inner wall treatment devices, which are not convenient to adjust according to the length of the steel pipe, are not convenient to self-adjust, cannot closely follow the slight undulations and irregular shapes of the inner wall of the steel pipe, and when there are local depressions or protrusions on the inner wall of the steel pipe, the grinding parts may not fit well in these areas, resulting in uneven grinding.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel pipe inner wall treatment device, comprising a base, with positioning rods fixedly connected to the inner wall of the base, a motor fixedly connected to the outer wall of the positioning rods, a fixing rod fixedly connected to one end of the motor, a first transmission sleeve fixedly connected to the outer wall of the fixing rod, a first anti-loosening rod fixedly connected to one end of the first transmission sleeve, a second transmission sleeve abutting against one end of the first anti-loosening rod, a second anti-loosening rod fixedly connected to one end of the second transmission sleeve, a transmission rod abutting against one end of the second anti-loosening rod, a connecting rod fixedly connected to one end of the transmission rod, a connecting sleeve fixedly connected to the outer wall of the connecting rod, a grinding cylinder installed on the outer wall of the connecting rod, and abrasive discs adhered to the outer wall of the grinding cylinder.
[0006] An extension sleeve is installed on the inner wall of the base, a support frame is installed on the inner wall of the extension sleeve, and springs are welded to the outer walls of the support frame. An abutment frame is welded to one end of each spring.
[0007] Preferably, the first transmission sleeve and the second transmission sleeve are threadedly connected, and the inner wall of the first transmission sleeve is threaded.
[0008] Preferably, the second transmission sleeve is threadedly connected to the transmission rod, and the outer wall of the transmission rod is threaded.
[0009] Preferably, the transmission rod is engaged with the connecting rod, and the inner wall of the transmission rod has an open design.
[0010] Preferably, the extension sleeve is movably connected to the base, and the inner wall of the base has a slotted design.
[0011] Preferably, the extension sleeve is movably connected to the support frame, and the inner wall of the extension sleeve has a slotted design.
[0012] Preferably, the support frame is engaged with the abutment frame, and the inner wall of the support frame is designed with openings.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This utility model uses a first transmission sleeve to adjust the thread of the second transmission sleeve. When using the device, the arrangement of the first transmission sleeve, the second transmission sleeve, and the transmission rod makes it easy to adjust according to the length of the steel pipe, thus increasing the practicality of the device.
[0015] This invention uses a support frame to enable the movement of the contact frame. When using the device, the contact frame and spring are designed to facilitate contact with a designated part of the inner wall of the steel pipe. The grinding component can automatically adjust the pressure to maintain the best contact with the inner wall, thus increasing the practicality of the device. Attached Figure Description
[0016] Figure 1 This is a perspective view of the present utility model;
[0017] Figure 2 This is a structural schematic diagram of the present invention viewed from a height and disassembled.
[0018] Figure 3 This is a schematic diagram of the structure of the grinding cylinder and abrasive disc assembly of this utility model;
[0019] Figure 4 This utility model Figure 2 Enlarged structural diagram of section A in the middle.
[0020] In the diagram: 1. Base; 2. Positioning rod; 3. Motor; 4. Fixing rod; 5. First transmission sleeve; 6. First anti-loosening rod; 7. Second transmission sleeve; 8. Second anti-loosening rod; 9. Transmission rod; 10. Connecting rod; 11. Connecting sleeve; 12. Grinding cylinder; 13. Grinding disc; 14. Extension sleeve; 15. Support frame; 16. Spring; 17. Abutment frame. Detailed Implementation
[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0022] The embodiments of this utility model will be described below based on its overall structure.
[0023] Please see Figure 1-4 A steel pipe inner wall treatment device includes a base 1. Positioning rods 2 are fixedly connected to the inner wall of the base 1. A motor 3 is fixedly connected to the outer wall of the positioning rods 2. A fixing rod 4 is fixedly connected to one end of the motor 3. A first transmission sleeve 5 is fixedly connected to the outer wall of the fixing rod 4. A first anti-loosening rod 6 is fixedly connected to one end of the first transmission sleeve 5. A second transmission sleeve 7 is abutted at one end of the first anti-loosening rod 6. The first transmission sleeve 5 and the second transmission sleeve 7 are threaded together, and the inner wall of the first transmission sleeve 5 is threaded. A second anti-loosening rod 8 is fixedly connected to one end of the second transmission sleeve 7. A transmission rod 9 is abutted at one end of the second transmission sleeve 7. The transmission rod 9 is threadedly connected to the transmission rod 9, and the outer wall of the transmission rod 9 is threaded. One end of the transmission rod 9 is fixedly connected to the connecting rod 10, and the transmission rod 9 and the connecting rod 10 are engaged. The inner wall of the transmission rod 9 is designed with an open hole. The outer wall of the connecting rod 10 is fixedly connected to the connecting sleeve 11, and the outer wall of the connecting rod 10 is equipped with a grinding cylinder 12. The outer wall of the grinding cylinder 12 is covered with abrasive discs 13. The first transmission sleeve 5 is used to adjust the second transmission sleeve 7 by means of a thread. When using the device, the arrangement of the first transmission sleeve 5, the second transmission sleeve 7 and the transmission rod 9 makes it easy to adjust according to the length of the steel pipe, which increases the practicality of the device.
[0024] Please see Figure 1-4 A steel pipe inner wall treatment device includes an extension sleeve 14 installed on the inner wall of a base 1, which is movably connected to the base 1. The inner wall of the base 1 has a slotted design. A support frame 15 is installed on the inner wall of the extension sleeve 14, which is movably connected to the support frame 15. The outer wall of the support frame 15 is welded with springs 16, and one end of each spring 16 is welded with an abutment frame 17. The support frame 15 and the abutment frame 17 are engaged. The inner wall of the support frame 15 has an open design. By setting the support frame 15, the abutment frame 17 can be moved. When using the device, the abutment frame 17 and the spring 16 facilitate the contact of the designated part of the inner wall of the steel pipe. The grinding component can automatically adjust the pressure to always maintain the best contact with the inner wall, increasing the practicality of the device.
[0025] Working principle: In use, take out the device and place it in the designated position. Then, thread the positioning rod 2 onto the motor 3. Next, engage and fix the motor 3 onto the first transmission sleeve 5. Then, thread the fixing rod 4 onto the first transmission sleeve 5. Next, adjust the first transmission sleeve 5 onto the second transmission sleeve 7 to the designated position according to the length of the steel pipe. Then, thread the second transmission sleeve 7 onto the transmission rod 9 to the designated position. Thread the first transmission sleeve 5 onto the first anti-loosening rod 6. The first anti-loosening rod 6 then engages with the second transmission sleeve 7. Finally, thread the second transmission sleeve 7 onto the second anti-loosening rod 8. Next, the second anti-loosening rod 8 is moved to abut against the transmission rod 9. The base 1 is moved to the extension sleeve 14 to the specified length. The extension sleeve 14 is moved to the support frame 15 to the specified length. Finally, the steel pipe is inserted into the grinding cylinder 12. The spring 16 is moved to abut against the contact frame 17. The contact frame 17 is moved to abut against the steel pipe. Then, the motor 3 is turned on, and the motor 3 drives the grinding cylinder 12 to rotate. The abrasive disc 13 grinds the inner wall of the steel pipe. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A steel pipe inner wall treatment device, comprising a base (1), characterized in that: The inner wall of the base (1) is fixedly connected with a positioning rod (2), the outer wall of the positioning rod (2) is fixedly connected with a motor (3), one end of the motor (3) is fixedly connected with a fixing rod (4), the outer wall of the fixing rod (4) is fixedly connected with a first transmission sleeve (5), one end of the first transmission sleeve (5) is fixedly connected with a first anti-loosening rod (6), one end of the first anti-loosening rod (6) abuts against a second transmission sleeve (7), one end of the second transmission sleeve (7) is fixedly connected with a second anti-loosening rod (8), one end of the second anti-loosening rod (8) abuts against a transmission rod (9), one end of the transmission rod (9) is fixedly connected with a connecting rod (10), the outer wall of the connecting rod (10) is fixedly connected with a connecting sleeve (11), the outer wall of the connecting rod (10) is equipped with a grinding cylinder (12), and the outer wall of the grinding cylinder (12) is glued with a grinding disc (13). An extension sleeve (14) is installed on the inner wall of the base (1), and a support frame (15) is installed on the inner wall of the extension sleeve (14). Springs (16) are welded to the outer walls of the support frame (15), and an abutment frame (17) is welded to one end of the spring (16).
2. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The first transmission sleeve (5) is threadedly connected to the second transmission sleeve (7), and the inner wall of the first transmission sleeve (5) is threaded.
3. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The second transmission sleeve (7) is threadedly connected to the transmission rod (9), and the outer wall of the transmission rod (9) is threaded.
4. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The transmission rod (9) is engaged with the connecting rod (10), and the inner wall of the transmission rod (9) is designed with an opening.
5. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The extension sleeve (14) is movably connected to the base (1), and the inner wall of the base (1) is a slotted design.
6. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The extension sleeve (14) is movably connected to the support frame (15), and the inner wall of the extension sleeve (14) is designed with a slot.
7. The steel pipe inner wall treatment equipment according to claim 1, characterized in that: The support frame (15) is engaged with the abutment frame (17), and the inner wall of the support frame (15) is designed with openings.