Machining tool for sealing surface of three-eccentric center butterfly valve
By combining the motor-driven screw and threaded rod, combined with the disassembly of the motor and bolt rod, the problems of multiple processing equipment for the sealing surface of the triple-eccentric butterfly valve and inconvenient motor replacement are solved, precise positioning and convenient replacement are achieved, and processing efficiency is improved.
Patent Information
- Application Number
- CN202422945414.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing triple eccentric butterfly valve requires multiple equipment and processes when processing the sealing surface, resulting in high costs and inconvenience in replacing the polishing motor.
The first motor drives the screw to rotate and cooperate with the mobile frame, and the second motor drives the threaded rod to rotate to achieve lateral and longitudinal position adjustment. Combined with the disassembly of the motor and the bolt rod, it is convenient for the replacement of the motor and the different operations of the butterfly valve sealing surface.
It realizes precise positioning of the sealing surface and convenient motor replacement, improving processing efficiency and portability.
Smart Images

Figure CN223419082U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of butterfly valve sealing surface processing, in particular to a triple-eccentric butterfly valve sealing surface processing tool. Background Art
[0002] A triple eccentric butterfly valve is one in which the valve stem axis deviates from both the disc center and the body center, and the valve seat rotation axis is at a certain angle to the valve body channel axis.
[0003] The three-eccentric butterfly valve in the existing technology requires grinding and drilling of the sealing surface during processing, and the traditional method adopts different processing procedures, which increases the cost of using equipment and takes up space. The processing of the sealing surface can be completed with the same equipment, but it is not convenient to replace the grinding motor, so it is inconvenient to use. Utility Model Content
[0004] The purpose of the utility model is to provide a three-eccentric butterfly valve sealing surface processing tooling, which is driven by a first motor to drive the rotation of the screw, and after rotation, it is threadedly engaged with the movable frame to realize the horizontal position movement of the movable frame, while the second motor drives the rotation of the threaded rod, and after rotation, the movable plate is moved longitudinally.
[0005] To achieve the above-mentioned purpose, a three-eccentric butterfly valve sealing surface processing tool is provided, comprising: a processing platform, wherein slide grooves are provided on both sides of the upper portion of the processing platform, a slider is slidably fitted inside the slide groove, a movable plate is fixedly connected to the top of the slider, arc-shaped clamping plates are slidably fitted on both sides of the upper portion of the movable plate, both ends of the bottom of the arc-shaped clamping plate are fixedly connected to connecting frames, threaded holes are provided in the middle of the connecting frames, a bidirectional screw is threadedly connected to the inner portion of the threaded hole, and a knob is fixedly connected to one end of the bidirectional screw;
[0006] Screws are rotatably connected inside both sides of the processing platform, the middle part of the screw is threadedly connected to a movable frame, both ends of the top of the movable frame are fixedly connected to electric telescopic rods, the extended end of the electric telescopic rod is fixedly connected to a lower pressure plate, and both sides of the middle of the bottom of the lower pressure plate are fixedly connected to fixed frames, and a disassembly motor is arranged between the fixed frames.
[0007] According to the described tooling for processing the sealing surface of a triple-eccentric butterfly valve, the end corners on one side of the processing platform are fixedly connected to the first motor and the second motor, and the driving end of the first motor is fixedly connected to the screw.
[0008] According to the described triple-eccentric butterfly valve sealing surface processing tool, the driving end of the second motor is fixedly connected to the first bevel gear, one side of the first bevel gear is meshed with the second bevel gear, and one side end of the second bevel gear is fixedly connected to a threaded rod.
[0009] According to the described tooling for processing the sealing surface of a triple-eccentric butterfly valve, a grinding disc is fixedly connected to the bottom end of the disassembly motor.
[0010] According to the triple-eccentric butterfly valve sealing surface processing tool, a square opening is opened in the middle of the processing platform, and a collection box is provided at the bottom end of the square opening.
[0011] According to the triple-eccentric butterfly valve sealing surface processing tool, a bolt rod passes through the fixing frame and the disassembly motor.
[0012] According to the described tooling for processing the sealing surface of a triple-eccentric butterfly valve, openings are provided on both sides of the middle portion of the movable plate, and the openings are fitted through the connecting frame.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The utility model discloses a three-eccentric butterfly valve sealing surface processing tool, which is provided with: a first motor, a movable frame, a second motor and a threaded rod. The first motor drives the screw rod to rotate, and after rotation, it is threadedly matched with the movable frame to realize lateral position movement of the movable frame. The second motor drives the screw rod to rotate, and after rotation, it moves the movable plate longitudinally. Through this structure, the lateral and longitudinal position adjustment is completed, and the drilling and grinding positions can be accurately positioned.
[0015] The utility model discloses a tool for processing the sealing surface of a three-eccentric butterfly valve, which comprises: a disassembly motor, a fixing frame and a bolt rod. The disassembly motor and the fixing frame are connected, and the disassembly motor can be easily disassembled. The penetration fixation of the bolt rod can increase the replacement of the disassembly motor, facilitate the replacement and use of the drill bit or the grinding disc, facilitate the processing of different operations on the sealing surface of the butterfly valve, and improve the portability of use.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is a three-dimensional structural diagram of a sealing surface processing tool for a triple-eccentric butterfly valve of the utility model;
[0019] Figure 2 This is an enlarged view of the threaded rod structure of a tooling for processing the sealing surface of a triple-eccentric butterfly valve of the utility model;
[0020] Figure 3This is an enlarged view of the disassembly motor and fixing frame structure of a three-eccentric butterfly valve sealing surface processing tooling of the utility model;
[0021] Figure 4 This is a disassembled view of the movable plate and arc-shaped clamping plate of a triple-eccentric butterfly valve sealing surface processing tooling of the utility model.
[0022] In the figure: 1. Processing platform; 2. Slide; 3. Disassembly motor; 4. Lower pressure plate; 5. Electric telescopic rod; 6. Moving frame; 7. First motor; 8. Collection box; 9. Moving plate; 10. Second motor; 11. First bevel gear; 12. Threaded rod; 13. Grinding disc; 14. Bolt rod; 15. Fixed frame; 16. Threaded hole; 17. Arc clamping plate; 18. Connecting frame. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model. Example
[0024] See also Figure 1-4The utility model provides a technical solution: a three-eccentric butterfly valve sealing surface processing tool, comprising: a processing platform 1, with slide grooves 2 on both sides of the upper part of the processing platform 1, and the slide groove 2 structure can keep the movable plate connected to the slider in a stable position and move, and the slide groove 2 is slidably matched with a slider, and the top of the slider is fixedly connected to the movable plate 9, and the upper and lower sides of the movable plate 9 are slidably matched with arc-shaped clamping plates 17, and the bottom two ends of the arc-shaped clamping plate 17 are fixedly connected to a connecting frame 18, and a threaded hole 16 is provided in the middle part between the connecting frames 18, and the internal thread of the threaded hole 16 is connected with a bidirectional screw. Through the setting of the bidirectional screw, the connecting frames 18 on both sides can be kept close to or away from the middle, so that the arc-shaped clamping plate 17 can be clamped. One end of the bidirectional screw is fixedly connected to a knob, and the rotation of the knob will drive the bidirectional screw to rotate, and after rotation, it will be connected to the connecting frame 18 is threadedly matched to realize threaded movement, and one side end corner of the processing platform 1 is fixedly connected to the first motor 7 and the second motor 10, respectively. The screw is driven by the first motor 7 to rotate, and after rotation, it is threadedly matched with the movable frame 6, so that the movable frame 6 can be moved horizontally. The driving end of the first motor 7 is fixedly connected to the screw, and the driving end of the second motor 10 is fixedly connected to the first bevel gear 11. One side of the first bevel gear 11 is meshed with the second bevel gear. One end of the second bevel gear is fixedly connected to a threaded rod 12, and the threaded rod 12 is threadedly matched with the slider to realize longitudinal movement of the threaded position. The second motor 10 drives the first bevel gear 11 to rotate, and after rotation, it meshes with the second bevel gear, so as to rotate the threaded rod 12, and the movable plate 9 is moved longitudinally after rotation. Openings are provided on both sides of the middle part of the movable plate 9, and the openings are fitted through the connecting frame 18;
[0025] The inside of both sides of the processing platform 1 is rotatably connected with a screw rod, and the middle part of the screw rod is threadedly connected to a movable frame 6. The longitudinal movement of the threaded rod cooperates with the lateral movement of the movable frame 6, which can perform drilling and grinding operations on the precise position of the butterfly valve sealing surface. The top two ends of the movable frame 6 are fixedly connected to an electric telescopic rod 5, which is used to complete the electric extension and lowering control. The extended end of the electric telescopic rod 5 is fixedly connected to the lower pressure plate 4. The middle of the bottom of the lower pressure plate 4 is fixedly connected to a fixed frame 15 on both sides. A disassembly motor 3 is provided between the fixed frames 15. The disassembly motor 3 can be driven to drive the rotation of the grinding disc 13 to complete the grinding of the sealing surface. The bottom end of the disassembly motor 3 is fixedly connected to the grinding disc 13, and the sealing surface is processed and polished by the grinding disc 13. A bolt rod 14 passes through the fixed frame 15 and the disassembly motor 3, and the threaded disassembly and installation are completed through the bolt rod 14, which improves the portability of disassembly and installation. A square opening is opened in the middle of the processing platform 1, and a collection box 8 is provided at the bottom end of the square opening. The debris generated during the grinding and drilling process is collected through the collection box 8. Example
[0026] Different from the embodiment one, the bottom end of the dismounting motor 3 is fixedly connected with a drill bit, through the replacement of the dismounting motor 3, the motor used by the drill bit or the grinding machine can be conveniently replaced, and the portable replacement of the dismounting motor 3 improves the portable use due to the different output power of the grinding and drilling.
[0027] Working principle: in use, the three eccentric butterfly valve is placed on the surface of the arc clamping plate 17, then the rotation of the knob drives the bidirectional screw rod to rotate, and after rotation, the threaded cooperation with the connecting frame 18 is realized, that is, the threaded movement is realized, through the setting of the bidirectional screw rod, the connecting frame 18 on both sides can be kept close to the middle or away from the operation, so as to clamp the arc clamping plate 17, then the rotation of the screw rod is driven by the first motor 7, and after rotation, the threaded cooperation with the moving frame 6 is realized, that is, the transverse position movement of the moving frame 6 is realized, while the second motor 10 drives the rotation of the first bevel gear 11, and after rotation, the second bevel gear is engaged, that is, the rotation of the threaded rod 12 is realized, and after rotation, the moving plate 9 moves longitudinally, so as to cooperate with the moving frame 6, the accurate position drilling and grinding operation of the butterfly valve sealing surface can be realized, after adjusting the position, the dismounting motor 3 can drive the rotation of the grinding disc 13, and the grinding work of the sealing surface is completed.
[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A triple eccentric butterfly valve sealing surface processing tool, comprising: A processing platform (1), characterized in that a slide groove (2) is provided on both sides of the upper portion of the processing platform (1), a slider is slidably fitted inside the slide groove (2), a movable plate (9) is fixedly connected to the top of the slider, an arc-shaped clamping plate (17) is slidably fitted on both sides of the upper portion of the movable plate (9), both ends of the bottom of the arc-shaped clamping plate (17) are fixedly connected to a connecting frame (18), a threaded hole (16) is provided in the middle portion between the connecting frames (18), a bidirectional screw is threadedly connected to the inner portion of the threaded hole (16), and a knob is fixedly connected to one end of the bidirectional screw; Screws are rotatably connected to the interior of both sides of the processing platform (1), and the middle part of the screw is threadedly connected to a movable frame (6). Both ends of the top of the movable frame (6) are fixedly connected to electric telescopic rods (5), and the extended end of the electric telescopic rod (5) is fixedly connected to a lower pressure plate (4). Both sides of the middle of the bottom of the lower pressure plate (4) are fixedly connected to fixed frames (15), and a disassembly motor (3) is provided between the fixed frames (15).
2. A triple eccentric butterfly valve sealing surface processing tool as claimed in claim 1, characterized in that: A first motor (7) and a second motor (10) are fixedly connected to one end corner of the processing platform (1), and a driving end of the first motor (7) is fixedly connected to a screw rod.
3. A triple eccentric butterfly valve sealing surface processing tool as claimed in claim 2, characterized in that: The driving end of the second motor (10) is fixedly connected to a first bevel gear (11), one side of the first bevel gear (11) is meshed with a second bevel gear, and one end of the second bevel gear is fixedly connected to a threaded rod (12).
4. The triple eccentric butterfly valve sealing surface processing tool according to claim 1, characterized in that: A grinding disc (13) is fixedly connected to the bottom end of the disassembly motor (3).
5. The triple eccentric butterfly valve sealing surface processing tool according to claim 1, characterized in that: A square opening is provided in the middle of the processing platform (1), and a collecting box (8) is provided at the bottom end of the square opening.
6. The triple eccentric butterfly valve sealing surface processing tool according to claim 1, characterized in that: A bolt rod (14) passes through the fixing frame (15) and the disassembly motor (3).
7. The triple eccentric butterfly valve sealing surface processing tool according to claim 1, characterized in that: Openings are provided on both sides of the middle portion of the movable plate (9), and the openings and the connecting frame (18) are interpenetratingly fitted.