Grinding device for butterfly valve metal sealing pair
By designing a highly adaptable butterfly valve metal seal pair grinding device, the problem of poor applicability of different sizes was solved, and efficient processing and resource conservation were achieved.
Patent Information
- Application Number
- CN202422731530.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-10
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-10
AI Technical Summary
The existing butterfly valve metal seal pair grinding device has poor applicability to different sizes, resulting in resource waste and low work efficiency.
A butterfly valve metal sealing pair grinding device was designed, which includes a fixed base, a rotating unit and a sliding unit. The sliding unit can be adjusted to adapt to sealing rings of different sizes. Combining two sets of rotating units, multiple sealing rings can be processed simultaneously.
It improves the adaptability to sealing rings of different sizes, reduces resource waste, avoids device replacement time, and improves processing efficiency and production speed.
Smart Images

Figure CN223313685U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of butterfly valve metal sealing pair grinding devices, in particular to a butterfly valve metal sealing pair grinding device. Background Art
[0002] A butterfly valve's metal seal pair refers to the pair of metal components used to achieve the sealing function within a butterfly valve. It typically consists of a disc and a seat. The disc is a rotating circular metal plate whose edge or entire surface contacts the seat to achieve a seal. The seat is an annular metal structure fixed to the valve body, and its shape and size closely match the disc.
[0003] The grinding device used in the existing butterfly valve metal seal pair grinding technology can generally only grind metal seal pairs of a specific size and has poor adaptability. When grinding metal seal pairs of different sizes, it is necessary to replace the grinding device of different sizes, and replacing the grinding device of different sizes increases the workload, resulting in
[0004] The grinding device used in the existing butterfly valve metal sealing pair grinding technology can only grind metal sealing pairs of specific sizes, has poor adaptability, cannot meet usage requirements, and leads to waste of resources; grinding metal sealing pairs of different sizes requires replacing the grinding device, resulting in increased workload, wasted time, and reduced work efficiency. Utility Model Content
[0005] In view of the deficiencies of the prior art, the utility model provides a butterfly valve metal sealing pair grinding device, which solves the problem that the prior grinding device has poor applicability to metal sealing pairs of different sizes.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a butterfly valve metal sealing pair grinding device, including a fixed base, a rotating unit, a sliding unit and a sealing ring, the rotating unit is connected to both sides of the fixed base, the sliding unit is connected to the outside of the rotating unit, the sealing ring is located on the inside of the sliding unit, the fixed base includes a fixed plate and a seamless steel pipe, the seamless steel pipe is located above the fixed plate, a honing tube is fixedly provided on the top of the fixed plate, and the top of the honing tube is fixedly connected to the outside of the seamless steel pipe;
[0007] The rotating unit includes a turntable and square steel, the square steel is embedded in the turntable, a square hole is opened on the inner side of the turntable, the square hole is sleeved on the outer side of the shaft, and a positioning screw is inserted on the outer side of the turntable.
[0008] Preferably, a shaft is inserted into the inner side of the seamless steel tube, nuts are sleeved at both ends of the shaft, the nuts are threadedly connected to the shaft, the nuts are located on the outside of the turntable, the nuts are used to fix the turntable, a bearing is sleeved on the outside of the shaft, a positioning card is sleeved on the outside of the shaft, the positioning card is located on the outside of the bearing, and the fixing card is used to fix the bearing.
[0009] Preferably, a slot is provided on the outer side of the turntable, the square steel is embedded in the slot, the positioning screw passes through the square steel and is threadedly connected to the turntable, and the positioning screw is used to fix the square steel.
[0010] Preferably, the sliding unit includes a slider and a clamping plate, the clamping plate is located outside the slider, a boss is provided on the outside of the slider, and a positioning screw hole is opened on the outside of the slider.
[0011] Preferably, a sliding socket is provided on the inner side of the splint, a bolt is inserted into the inner side of the sliding socket, the bolt passes through the sliding socket, and the bolt is threadedly connected to the inner side of the positioning screw hole.
[0012] Preferably, a positioning nut is sleeved on the outside of the bolt, the positioning nut is threadedly connected to the bolt, the positioning nut is located on the outside of the splint, and the positioning nut abuts against the splint, and the positioning nut is used to fix the splint.
[0013] Preferably, a sealing ring is clamped inside the slider and the clamping plate.
[0014] The utility model discloses a butterfly valve metal sealing pair grinding device, which has the following beneficial effects: a sliding unit is provided, the sliding unit is provided with a slider, the slider can be slid and adjusted on square steel, which is convenient for adapting to different sealing rings, reduces resource waste, avoids time waste caused by replacing the device, and improves processing efficiency; two groups of rotating units are provided, and the two groups of rotating units are matched with a sliding unit, which can realize the processing of multiple sealing rings at the same time, improves work efficiency, and increases production speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the fixing seat of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the fixing seat of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the rotating unit of the utility model;
[0020] Figure 5 This is a schematic diagram of the sliding unit structure of the utility model.
[0021] In the figure: 1. Fixed base; 11. Fixed plate; 111. Honing tube; 12. Seamless steel tube; 13. Shaft; 131. Nut; 132. Bearing; 133. Positioning card; 2. Rotating unit; 21. Turntable; 211. Square hole; 212. Positioning screw; 22. Square steel; 3. Sliding unit; 31. Slider; 311. Boss; 312. Positioning screw hole; 32. Clamp; 321. Sliding socket; 33. Bolt; 331. Positioning nut; 4. Sealing ring. DETAILED DESCRIPTION
[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0023] The embodiment of the present application provides a butterfly valve metal sealing pair grinding device, which solves the problem that the existing grinding device has poor applicability to metal sealing pairs of different sizes, thereby reducing resource waste and improving work efficiency.
[0024] The embodiment of the utility model discloses a grinding device for a metal sealing pair of a butterfly valve.
[0025] According to the attached Figure 1-5 As shown, it includes a fixed base 1, a rotating unit 2, a sliding unit 3 and a sealing ring 4. The rotating unit 2 is connected to both sides of the fixed base 1, the sliding unit 3 is connected to the outside of the rotating unit 2, and the sealing ring 4 is located on the inside of the sliding unit 3. The fixed base 1 includes a fixed plate 11 and a seamless steel pipe 12. The seamless steel pipe 12 is located above the fixed plate 11. A honing tube 111 is fixedly provided on the top of the fixed plate 11. The top of the honing tube 111 is fixedly connected to the outside of the seamless steel pipe 12.
[0026] The rotating unit 2 includes a rotating disk 21 and a square steel 22 . The square steel 22 is embedded in the rotating disk 21 . A square hole 211 is formed inside the rotating disk 21 . The square hole 211 is sleeved on the outside of the shaft 13 . A positioning screw 212 is inserted on the outside of the rotating disk 21 .
[0027] A sliding unit 3 is provided, and the sliding unit 3 is provided with a slider 31. The slider 31 can be slid and adjusted on the square steel 22, which is convenient for adapting to different sealing rings 4, reduces resource waste, avoids time waste caused by replacing the device, and improves processing efficiency; two groups of rotating units 2 are provided, and the sliding unit 3 is provided in conjunction with the two groups of rotating units 2, which can realize the processing of multiple sealing rings 4 at the same time, improve work efficiency, and increase production speed.
[0028] Furthermore, a shaft 13 is inserted into the inner side of the seamless steel pipe 12, and nuts 131 are sleeved at both ends of the shaft 13. The nuts 131 are threadedly connected to the shaft 13, and the nuts 131 are located on the outside of the turntable 21. The nuts 131 are used to fix the turntable 21. A bearing 132 is sleeved on the outside of the shaft 13, and a positioning card 133 is sleeved on the outside of the shaft 13. The positioning card 133 is located on the outside of the bearing 132, and the fixing card 133 is used to fix the bearing 132.
[0029] Furthermore, a slot is provided on the outside of the turntable 21 , the square steel 22 is embedded in the slot, and a positioning screw 212 passes through the square steel 22 and is threadedly connected to the turntable 21 , and the positioning screw 212 is used to fix the square steel 22 .
[0030] Specifically disclosed, the sliding unit 3 includes a slider 31 and a clamping plate 32 . The clamping plate 32 is located outside the slider 31 . A boss 311 is provided outside the slider 31 . A positioning screw hole 312 is opened outside the slider 31 .
[0031] Specifically disclosed, a sliding hole 321 is opened on the inner side of the clamping plate 32 , a bolt 33 is inserted into the inner side of the sliding hole 321 , the bolt 33 passes through the sliding hole 321 , and the bolt 33 is threadedly connected to the inner side of the positioning screw hole 312 .
[0032] It should be particularly emphasized that a positioning nut 331 is sleeved on the outside of the bolt 33 , the positioning nut 331 is threadedly connected to the bolt 33 , the positioning nut 331 is located on the outside of the splint 32 , and the positioning nut 331 abuts against the splint 32 , and the positioning nut 331 is used to fix the splint 32 .
[0033] It should be particularly emphasized that the sealing ring 4 is clamped inside the slider 31 and the clamping plate 32 .
[0034] Working principle: First, determine the position of the slider 31 according to the size of the sealing ring 4 to be processed, and use the bolt 33 to fix the position of the slider 31;
[0035] Then, clamp the sealing ring 4 between the slider 31 and the clamping plate 32, adjust and determine the position of the clamping plate 32, and fix the clamping plate 32 using the positioning nut 331;
[0036] Finally, the sealing ring 4 is clamped by the device and polished. After the inner side is polished, the sealing ring 4 is clamped to the outer side of the sliding unit 3 by the clamping plate 32 to polish the outer side.
[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A butterfly valve metal seal pair grinding device, comprising a fixed base (1), a rotating unit (2), a sliding unit (3) and a sealing ring (4), wherein the rotating unit (2) is connected to both sides of the fixed base (1), the sliding unit (3) is connected to the outside of the rotating unit (2), and the sealing ring (4) is located on the inside of the sliding unit (3), characterized in that: The fixed base (1) comprises a fixed plate (11) and a seamless steel pipe (12), the seamless steel pipe (12) is located above the fixed plate (11), a honing pipe (111) is fixedly provided on the top of the fixed plate (11), and the top of the honing pipe (111) is fixedly connected to the outside of the seamless steel pipe (12); The rotating unit (2) comprises a rotating disk (21) and a square steel (22), wherein the square steel (22) is embedded in the rotating disk (21), a square hole (211) is provided on the inner side of the rotating disk (21), the square hole (211) is sleeved on the outer side of the shaft (13), and a positioning screw (212) is inserted on the outer side of the rotating disk (21).
2. A butterfly valve metal seal pair grinding device according to claim 1, characterized in that: A shaft (13) is inserted into the inner side of the seamless steel tube (12), and nuts (131) are sleeved at both ends of the shaft (13). The nuts (131) are threadedly connected to the shaft (13), and the nuts (131) are located outside the turntable (21). The nuts (131) are used to fix the turntable (21). A bearing (132) is sleeved on the outer side of the shaft (13), and a positioning card (133) is sleeved on the outer side of the shaft (13). The positioning card (133) is located outside the bearing (132), and the positioning card (133) is used to fix the bearing (132).
3. A butterfly valve metal seal pair grinding device according to claim 1, characterized in that: A slot is provided on the outside of the turntable (21), the square steel (22) is embedded in the slot, the positioning screw (212) passes through the square steel (22) and is threadedly connected to the turntable (21), and the positioning screw (212) is used to fix the square steel (22).
4. A butterfly valve metal seal pair grinding device according to claim 1, characterized in that: The sliding unit (3) comprises a slider (31) and a clamping plate (32), wherein the clamping plate (32) is located outside the slider (31), a boss (311) is provided outside the slider (31), and a positioning screw hole (312) is opened outside the slider (31).
5. A butterfly valve metal seal pair grinding device according to claim 4, characterized in that: A sliding socket (321) is provided on the inner side of the clamping plate (32), a bolt (33) is inserted into the inner side of the sliding socket (321), the bolt (33) passes through the sliding socket (321), and the bolt (33) is threadedly connected to the inner side of the positioning screw hole (312).
6. A butterfly valve metal seal pair grinding device according to claim 5, characterized in that: A positioning nut (331) is sleeved on the outside of the bolt (33), and the positioning nut (331) is threadedly connected to the bolt (33). The positioning nut (331) is located on the outside of the splint (32), and the positioning nut (331) abuts against the splint (32). The positioning nut (331) is used to fix the splint (32).
7. A butterfly valve metal seal pair grinding device according to claim 4, characterized in that: The slider (31) and the clamping plate (32) have a sealing ring (4) clamped inside.