Valve seat polishing device
By designing a valve seat grinding device including a processing table, lifting cylinder, rotating motor and adjustment components, the problems of low manual grinding efficiency and poor accuracy are solved, and uniform and high-precision grinding of the outer wall of the valve seat is achieved.
Patent Information
- Application Number
- CN202421200069.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-29
AI Technical Summary
In the prior art, the circular surface of the outer wall of the valve seat requires manual hand-held tools to polish, resulting in low grinding efficiency, high skill requirements, and it is difficult to maintain uniform force in each place, resulting in uneven inclination of the grinding surface and degradation of accuracy and quality.
A valve seat grinding device is designed, including a processing table, lifting cylinder, rotating motor, adjustment assembly and grinding block. By lifting the cylinder, the valve seat moves up and down, the rotating motor drives the valve seat to rotate, and the adjustment component drives the grinding block to move up and down, achieving comprehensive and even grinding of the outer wall of the valve seat.
It improves the uniformity and accuracy of the outer wall of the valve seat, reduces the requirements for workers' skill level, and ensures the stability of the grinding quality.
Smart Images
Figure CN222449632U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valve processing, in particular to a valve seat grinding device. Background Art
[0002] The valve seat is a detachable surface component inside the valve, which is used to support the fully closed position of the valve core and form a sealing pair. Generally, the valve seat diameter is the maximum flow diameter of the valve. For example, the valve seat material of a butterfly valve is very wide, and various types of rubber, plastic and metal materials can be used as valve seat materials. When processing the valve seat, it needs to be fixed on the tooling workbench with a fixture for processing.
[0003] Traditional valve seat grinding mostly uses manual handheld tools for grinding, and the grinding efficiency is low. Because the circular surface of the valve seat outer wall requires a high level of workers' grinding skills when grinding manually, and the force applied is difficult to keep the grinding of each part the same, which will cause the grinding surface of the valve seat outer wall to be unevenly tilted, resulting in a decrease in grinding accuracy and quality. Utility Model Content
[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a valve seat grinding device to solve the problem in the prior art that due to the circular surface of the outer wall of the valve seat, manual grinding requires a high level of workers' grinding skills, and at the same time, the applied force is difficult to keep the same at every grinding point, which will lead to uneven inclination of the grinding surface of the outer wall of the valve seat, resulting in a decrease in grinding accuracy and quality.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] A valve seat grinding device comprises a processing table, a lifting cylinder is fixedly connected to the inner wall of the bottom of the processing table, the output end of the lifting cylinder is rotatably connected to a placement seat, a rotating motor is fixedly connected to the top of the processing table, the output end of the rotating motor is fixedly connected to a driving plate, an adjusting component is arranged on the processing table, and a grinding block is arranged on the adjusting component.
[0007] As a further solution of the utility model: the adjusting assembly includes a screw rod, which is rotatably connected to the processing table, and a slider is threadedly connected to the outer wall of the screw rod. A limit plate is fixedly connected to the top of the processing table, and the limit plate is attached to one side of the slider. A telescopic cylinder is fixedly connected to one side of the slider, and the grinding block is arranged on the output end of the telescopic cylinder.
[0008] As a further solution of the utility model: the output end of the telescopic cylinder is fixedly connected to a fixed frame, the inner wall of the fixed frame is rotatably connected to a rotating rod, the grinding block is fixedly connected to the end of the rotating rod, the side wall of the fixed frame is fixedly connected to an adjusting motor, and the output end of the adjusting motor is fixedly connected to the rotating rod.
[0009] As a further solution of the utility model: a conical block is fixedly connected to the top of the placement seat, and a plurality of positioning grooves are provided on the outer wall of the conical block.
[0010] As a further solution of the utility model: a protective ring is fixedly connected to the top of the processing table, and the protective ring is located outside the placement seat.
[0011] As a further solution of the utility model: the processing table surface is provided with multiple groups of discharge grooves, the multiple groups of discharge grooves are located between the protective ring and the placement seat, a scraper is fixedly connected to one side of the placement seat, and the bottom of the scraper is in contact with the processing table surface.
[0012] Beneficial effects of the utility model:
[0013] 1. In the utility model, by starting the lifting cylinder, the lifting cylinder drives the valve seat on the placement seat to move upward, the top of the valve seat is against the bottom of the driving plate, the lifting cylinder is stopped, and then the adjusting component is started to drive the grinding block to move and stick to the outer wall of the valve seat, and then the rotating motor is started. The rotating motor drives the valve seat and the placement seat to rotate through the driving plate, so that the outer wall of the valve seat is polished. At the same time, the adjusting component drives the grinding block to move up and down, which can comprehensively polish the outer wall of the valve seat and improve the uniformity and accuracy of polishing.
[0014] 2. In the utility model, the grinding block on the rotating rod is driven to rotate 90° up and down by adjusting the rotation of the motor, so that the grinding surface of the grinding block is flush with the side surfaces opposite to the upper and lower sides of the valve seat, and then the adjusting component drives the grinding block to grind against the position surfaces at the upper and lower ends of the valve seat, thereby improving the diversity of grinding positions. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the connection structure between the fixing frame and the grinding block of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the conical block of the utility model;
[0019] Figure 4 It is a schematic diagram of the top view structure of the processing table in the utility model.
[0020] In the figure: 1. Processing table; 101. Discharge trough; 102. Protective ring; 2. Lifting cylinder; 201. Placement seat; 202. Scraper; 3. Rotating motor; 301. Drive plate; 4. Adjusting assembly; 401. Screw rod; 402. Sliding block; 403. Telescopic cylinder; 404. Drive motor; 5. Grinding block; 6. Fixed frame; 601. Rotating rod; 602. Adjusting motor; 7. Conical block; 701. Positioning groove. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] like Figure 1-Figure 4 As shown, a valve seat grinding device comprises a processing table 1, a lifting cylinder 2 is fixedly connected to the inner wall of the bottom of the processing table 1, and a placement seat 201 is rotatably connected to the output end of the lifting cylinder 2 for placing the valve seat, and a rotating motor 3 is fixedly connected to the top of the processing table 1, and a driving plate 301 is fixedly connected to the output end of the rotating motor 3, and the driving plate 301 is used to drive the valve seat to rotate, and an adjusting component 4 is arranged on the processing table 1, and the adjusting component 4 comprises a screw rod 401, which is rotatably connected to the processing table 1, and a slider 402 is threadedly connected to the outer wall of the screw rod 401, and a limit plate is fixedly connected to the top of the processing table 1, and the limit plate is attached to one side of the slider 402, and the slider 402 is A telescopic cylinder 403 is fixedly connected to the side, and a grinding block 5 is arranged on the output end of the telescopic cylinder 403. The telescopic cylinder 403 drives the grinding block 5 to move and stick to the outer wall of the valve seat. At the same time, a driving motor 404 is arranged on the inner wall of the bottom of the processing table 1. The output end of the driving motor 404 is fixedly connected to one end of the screw rod 401. The screw rod 401 is driven to rotate by the driving motor 404, and the slider 402 threadedly connected to the outer wall of the screw rod 401 sticks to the limit plate to slide up and down, so that the grinding block 5 is driven up and down by the telescopic cylinder 403 to adjust the position of the grinding block 5 and the valve seat, and grind at different positions to improve the uniformity of grinding the outer wall of the valve seat.
[0023] like Figure 1 and Figure 2As shown, the output end of the telescopic cylinder 403 is fixedly connected to a fixing frame 6, the inner wall of the fixing frame 6 is rotatably connected to a rotating rod 601, the grinding block 5 is fixedly connected to the end of the rotating rod 601, the side wall of the fixing frame 6 is fixedly connected to an adjusting motor 602, and the output end of the adjusting motor 602 is fixedly connected to the rotating rod 601. By starting the adjusting motor 602, the adjusting motor 602 drives the grinding block 5 to rotate 90° up and down through the rotating rod 601, so that the grinding surface of the grinding block 5 is parallel to the side walls opposite to the upper and lower sides of the valve seat, and then the adjusting component 4 drives the grinding block 5 to grind against it, so that other surfaces of the valve seat can be polished, thereby improving the diversity of the grinding positions.
[0024] like Figure 1 and Figure 3 As shown, a conical block 7 is fixedly connected to the top of the placement seat 201. The setting of the conical block 7 facilitates the valve seat to be placed at the center of the driving plate 301 for alignment. The outer wall of the conical block 7 is provided with multiple groups of positioning grooves 701. The setting of the multiple groups of positioning grooves 701 facilitates the placement and positioning of valve seats with different inner diameters.
[0025] like Figure 1 and Figure 4 As shown, a protective ring 102 is fixedly connected to the top of the processing table 1, and the protective ring 102 is located on the outside of the placement seat 201. A plurality of groups of discharge grooves 101 are provided on the surface of the processing table 1, and the plurality of groups of discharge grooves 101 are located between the protective ring 102 and the placement seat 201. A scraper 202 is fixedly connected to one side of the placement seat 201, and the bottom of the scraper 202 is in contact with the surface of the processing table 1.
[0026] The working principle of the utility model is as follows: when the user uses it, the valve seat is placed on the placement seat 201, and then the lifting cylinder 2 is started. The lifting cylinder 2 drives the valve seat on the placement seat 201 to move upward, and the top of the valve seat is against the bottom of the driving plate 301. The lifting cylinder 2 is stopped, and then the adjusting component 4 is started to drive the grinding block 5 to move and stick to the outer wall of the valve seat, and then the rotating motor 3 is started. The rotating motor 3 drives the valve seat and the placement seat 201 to rotate through the driving plate 301, thereby grinding the outer wall of the valve seat. At the same time, the adjusting component 4 drives the grinding block 5 to move up and down, which can comprehensively grind the outer wall of the valve seat and improve the comprehensiveness of the grinding.
[0027] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.
Claims
1. A valve seat grinding device, comprising a processing table (1), characterized in that: A lifting cylinder (2) is fixedly connected to the inner wall of the bottom of the processing table (1); the output end of the lifting cylinder (2) is rotatably connected to a placement seat (201); a rotating motor (3) is fixedly connected to the top of the processing table (1); the output end of the rotating motor (3) is fixedly connected to a driving plate (301); an adjustment component (4) is provided on the processing table (1); and a grinding block (5) is provided on the adjustment component (4).
2. A valve seat grinding device according to claim 1, characterized in that: The adjustment assembly (4) comprises a screw rod (401), the screw rod (401) is rotatably connected to the processing table (1), the outer wall of the screw rod (401) is threadedly connected to a slider (402), the top of the processing table (1) is fixedly connected to a limit plate, the limit plate is in contact with one side of the slider (402), one side of the slider (402) is fixedly connected to a telescopic cylinder (403), and the grinding block (5) is arranged on the output end of the telescopic cylinder (403).
3. A valve seat grinding device according to claim 2, characterized in that: The output end of the telescopic cylinder (403) is fixedly connected to a fixed frame (6), the inner wall of the fixed frame (6) is rotatably connected to a rotating rod (601), the grinding block (5) is fixedly connected to the end of the rotating rod (601), the side wall of the fixed frame (6) is fixedly connected to an adjusting motor (602), and the output end of the adjusting motor (602) is fixedly connected to the rotating rod (601).
4. A valve seat grinding device according to claim 1, characterized in that: A conical block (7) is fixedly connected to the top of the placement seat (201), and a plurality of positioning grooves (701) are provided on the outer wall of the conical block (7).
5. A valve seat grinding device according to claim 1, characterized in that: A protective ring (102) is fixedly connected to the top of the processing table (1), and the protective ring (102) is located outside the placement seat (201).
6. A valve seat grinding device according to claim 5, characterized in that: The processing table (1) has a plurality of groups of discharge grooves (101) on its surface. The plurality of groups of discharge grooves (101) are located between the protective ring (102) and the placement seat (201). A scraper (202) is fixedly connected to one side of the placement seat (201). The bottom of the scraper (202) is in contact with the processing table (1) surface.