Grinding device for hardware pipe fitting
By designing a frustum-shaped limiting block and a rotating mechanism, the problems of low fixing efficiency and inconvenient replacement of grinding plates in the hardware pipe grinding device were solved, enabling rapid fixing and grinding of pipes of different lengths and improving work efficiency.
Patent Information
- Application Number
- CN202423297597.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing hardware pipe grinding equipment cannot be quickly fixed, resulting in low work efficiency. Furthermore, different length grinding plates need to be changed when grinding pipes of different lengths, which is cumbersome and prone to stripping.
A frustum-shaped limiting block and a rotating mechanism were designed. The limiting block can be inserted into the pipe to fix it. Combined with a rotatable grinding plate and a motor-driven mounting column, it is possible to quickly fix and grind pipes of different lengths.
It enables rapid fixing and grinding of hardware fittings, improves work efficiency, avoids the hassle of replacing grinding plates, and enhances the fixing effect.
Smart Images

Figure CN223933227U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hardware pipe processing technology, specifically a grinding device for hardware pipes. Background Technology
[0002] When processing the surface of hardware pipe fittings, it is often necessary to use a grinding device to grind and polish the surface for subsequent painting treatment.
[0003] However, existing grinding devices for metal pipe fittings cannot quickly fix the metal pipe fittings, resulting in low work efficiency. Moreover, when grinding metal pipe fittings of different lengths, it is necessary to change grinding plates of different lengths, which is quite troublesome. Furthermore, the screws used to fix the grinding plates are prone to stripping due to frequent disassembly, resulting in poor fixing effect.
[0004] To address the aforementioned issues, there is an urgent need for innovative designs based on existing grinding devices for hardware pipe fittings. Utility Model Content
[0005] The purpose of this utility model is to provide a grinding device for hardware pipe fittings to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for hardware pipe fittings, comprising a base plate, a first fixing plate and a second fixing plate respectively fixed on both sides of the top of the base plate, a first rotating shaft rotatably mounted inside the first fixing plate via a bearing, one end of the first rotating shaft being fixedly connected to the output end of a first motor, the outer wall of the first motor being fixed to one side of the first fixing plate via a plate body, a first limiting block being fixed to the other end of the first rotating shaft, a first cylinder being fixedly mounted through the interior of the second fixing plate, an mounting plate being fixed to the end of the first cylinder, a second rotating shaft rotatably mounted on one side of the mounting plate via a bearing, a second limiting block being fixed to the end of the second rotating shaft, and a pipe fitting being installed between the second limiting block and the first limiting block;
[0007] An L-shaped plate is fixed to the rear side of the top of the base plate. A second cylinder is fixed through the top of the L-shaped plate. A U-shaped plate is fixed to the lower end of the second cylinder. A rotating mechanism is provided inside the U-shaped plate.
[0008] Preferably, the rotating mechanism includes a third rotating shaft, which is rotatably mounted inside the U-shaped plate via a bearing. A mounting column is nested and fixed on the outer side of the third rotating shaft, and a grinding plate is fixed on the outer wall of the mounting column. The end of the third rotating shaft passes through the side wall of the U-shaped plate and is fixedly connected to the output end of the second motor. The outer wall of the second motor is fixed to the outer side of the U-shaped plate via a plate body.
[0009] Preferably, a guide rod is fixed to the top of the U-shaped plate, the upper end of the guide rod passes through the top of the L-shaped plate, and the guide rod and the L-shaped plate are slidably connected.
[0010] Preferably, there are four grinding plates distributed at equal angles about the central axis of the mounting column, and the four grinding plates have different lengths.
[0011] Preferably, both the first limiting block and the second limiting block are designed as frustum-shaped structures, and the first limiting block and the second limiting block have the same structure and are equal in size.
[0012] Preferably, the central axes of the first rotating shaft, the first limiting block, the second rotating shaft, and the second limiting block are the same.
[0013] Compared with the prior art, the beneficial effects of this utility model are: the grinding device for the hardware pipe fitting is provided with a first limiting block and a second limiting block, and both the first limiting block and the second limiting block are designed as frustum-shaped structures. Furthermore, the first limiting block and the second limiting block have the same structure and are equal in size, so that the ends of the first limiting block and the second limiting block can be inserted into the inside of the pipe fitting, which facilitates the quick fixing of the pipe fitting and improves work efficiency.
[0014] The device is equipped with four grinding plates, which are evenly distributed about the central axis of the mounting column. The four grinding plates are of different lengths. By rotating the mounting column with a second motor, the grinding plates of different lengths can be brought into contact with the top of the pipe fitting. This allows for grinding of pipe fittings of different lengths without the need to change grinding plates of different lengths, making the operation convenient. Attached Figure Description
[0015] Figure 1 This is a frontal cross-sectional view of the present invention.
[0016] Figure 2 This is a schematic diagram of the side cross-sectional distribution structure of the grinding plate of this utility model;
[0017] Figure 3 This is a top view of the installation structure of the guide rod of this utility model.
[0018] In the diagram: 1. Base plate; 2. First fixing plate; 3. First rotating shaft; 4. First limiting block; 5. First motor; 6. Second fixing plate; 7. First cylinder; 8. Mounting plate; 9. Second rotating shaft; 10. Second limiting block; 11. Pipe fitting; 12. L-shaped plate; 13. Second cylinder; 14. U-shaped plate; 15. Guide rod; 16. Third rotating shaft; 17. Mounting column; 18. Grinding plate; 19. Second motor. Detailed Implementation
[0019] 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 protection scope of the present utility model.
[0020] Please see Figure 1-3 This utility model provides a technical solution: a grinding device for hardware pipe fittings, including a base plate 1, a first fixing plate 2 and a second fixing plate 6 respectively fixed on both sides of the top of the base plate 1, a first rotating shaft 3 is rotatably installed inside the first fixing plate 2 through a bearing, one end of the first rotating shaft 3 is fixedly connected to the output end of a first motor 5, the outer wall of the first motor 5 is fixed to one side of the first fixing plate 2 through a plate body, a first limiting block 4 is fixed to the other end of the first rotating shaft 3, a first cylinder 7 is fixedly fixed through the inside of the second fixing plate 6, an mounting plate 8 is fixed to the end of the first cylinder 7, a second rotating shaft 9 is rotatably installed on one side of the mounting plate 8 through a bearing, a second limiting block 10 is fixed to the end of the second rotating shaft 9, and a pipe fitting 11 is installed between the second limiting block 10 and the first limiting block 4;
[0021] An L-shaped plate 12 is fixed to the rear side of the top of the base plate 1. A second cylinder 13 is fixed through the top of the L-shaped plate 12. A U-shaped plate 14 is fixed to the lower end of the second cylinder 13. A rotating mechanism is provided inside the U-shaped plate 14. The rotating mechanism includes a third rotating shaft 16. The third rotating shaft 16 is rotatably mounted inside the U-shaped plate 14 through a bearing. A mounting post 17 is nested and fixed to the outside of the third rotating shaft 16. A grinding plate 18 is fixed to the outer wall of the mounting post 17. The end of the third rotating shaft 16 passes through the side wall of the U-shaped plate 14 and is fixedly connected to the output end of the second motor 19. The outer wall of the second motor 19 is fixed to the outside of the U-shaped plate 14 through a plate.
[0022] A guide rod 15 is fixed to the top of the U-shaped plate 14. The upper end of the guide rod 15 passes through the top of the L-shaped plate 12. The guide rod 15 and the L-shaped plate 12 form a sliding connection. The design of the guide rod 15 is conducive to the lifting and lowering of the U-shaped plate 14.
[0023] There are four grinding plates 18 distributed at equal angles to the central axis of the mounting post 17, and the four grinding plates 18 have different lengths. By rotating the mounting post 17, the grinding plates 18 of different lengths can be made to contact the top of the pipe fitting 11, so that the pipe fitting 11 of different lengths can be ground.
[0024] The first limiting block 4 and the second limiting block 10 are both designed as frustum-shaped structures. The first limiting block 4 and the second limiting block 10 have the same structure and are the same size, so that the ends of the first limiting block 4 and the second limiting block 10 can be inserted into the inside of the pipe fitting 11, which facilitates the fixing of the pipe fitting 11.
[0025] The central axes of the first rotating shaft 3, the first limiting block 4, the second rotating shaft 9, and the second limiting block 10 are the same, ensuring that when the first rotating shaft 3, the first limiting block 4, the second rotating shaft 9, and the second limiting block 10 rotate simultaneously, they can also drive the pipe 11 to rotate around a position, so that the grinding plate 18 can grind the pipe 11.
[0026] Working principle: When using the grinding device for this hardware pipe fitting, first insert one end of the pipe fitting 11 into the first limiting block 4, then start the first cylinder 7, and then the first cylinder 7 drives the mounting plate 8, the second rotating shaft 9 and the second limiting block 10 to move to the left, so that the end of the second limiting block 10 engages with the other end of the pipe fitting 11, thus quickly fixing the pipe fitting 11.
[0027] Next, the second motor 19 is started, which drives the third rotating shaft 16, the mounting column 17, and the grinding plate 18 to rotate. When the length of the grinding plate 18 at the bottom is the same as the length of the pipe 11, the second motor 19 stops running. Then, the second cylinder 13 is started, which drives the U-shaped plate 14, the guide rod 15, the third rotating shaft 16, the mounting column 17, the grinding plate 18, and the second motor 19 to move downwards simultaneously until the bottom of the grinding plate 18 contacts the top of the pipe 11. Then, the first motor 5 is started, which drives the first rotating shaft 3, the first limiting block 4, the pipe 11, the second rotating shaft 9, and the second limiting block 10 to rotate simultaneously, so that the grinding plate 18 grinds the outside of the pipe 11.
[0028] 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 grinding device for metal pipe fittings, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixed with a first fixing plate (2) and a second fixing plate (6) respectively. The first fixing plate (2) has a first rotating shaft (3) installed inside by bearings. One end of the first rotating shaft (3) is fixedly connected to the output end of the first motor (5). The outer wall of the first motor (5) is fixed to one side of the first fixing plate (2) by the plate body. The other end of the first rotating shaft (3) is fixed with a first limiting block (4). The second fixing plate (6) has a first cylinder (7) fixed inside. The end of the first cylinder (7) is fixed with an mounting plate (8). The side of the mounting plate (8) is rotatably installed with a second rotating shaft (9) by bearings. The end of the second rotating shaft (9) is fixed with a second limiting block (10). A pipe fitting (11) is installed between the second limiting block (10) and the first limiting block (4). An L-shaped plate (12) is fixed to the rear side of the top of the base plate (1). A second cylinder (13) is fixed through the top of the L-shaped plate (12). A U-shaped plate (14) is fixed to the lower end of the second cylinder (13). A rotating mechanism is provided inside the U-shaped plate (14).
2. The grinding device for hardware pipe fittings according to claim 1, characterized in that: The rotating mechanism includes a third rotating shaft (16), which is rotatably mounted inside the U-shaped plate (14) via bearings. A mounting column (17) is nested and fixed on the outer side of the third rotating shaft (16), and a grinding plate (18) is fixed on the outer wall of the mounting column (17). The end of the third rotating shaft (16) passes through the side wall of the U-shaped plate (14) and is fixedly connected to the output end of the second motor (19). The outer wall of the second motor (19) is fixed to the outer side of the U-shaped plate (14) via a plate body.
3. The grinding device for hardware pipe fittings according to claim 1, characterized in that: A guide rod (15) is fixed to the top of the U-shaped plate (14). The upper end of the guide rod (15) passes through the top of the L-shaped plate (12). The guide rod (15) and the L-shaped plate (12) are slidably connected.
4. The grinding device for hardware pipe fittings according to claim 2, characterized in that: The grinding plates (18) are distributed at equal angles to the central axis of the mounting post (17), and the four grinding plates (18) have different lengths.
5. The grinding device for hardware pipe fittings according to claim 1, characterized in that: The first limiting block (4) and the second limiting block (10) are both designed as frustum-shaped structures. The first limiting block (4) and the second limiting block (10) have the same structure and are equal in size.
6. The grinding device for hardware pipe fittings according to claim 1, characterized in that: The central axes of the first rotating shaft (3), the first limiting block (4), the second rotating shaft (9), and the second limiting block (10) are the same.