Valve body turning clamp
By designing the valve body fixture, the coordination of the central shaft and the limiting convex ring is used to solve the problem of frequent correction during the valve body processing, and the rapid clamping and high-precision processing of the valve body are achieved.
Patent Information
- Application Number
- CN202421982577.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the prior art, the valve body requires frequent calibration during processing, resulting in low machining accuracy and difficult to ensure processing quality.
A valve body fixture is designed, including a support table, pallet, valve body, central shaft, pressure plate and washers. Through the cooperation of the central shaft and limiting ring, the valve body can be quickly clamped and precisely positioned.
The rapid clamping of the valve body is achieved, the processing efficiency is improved, the steps that workers need to perform position calibration after clamping are reduced, and the processing accuracy is improved.
Smart Images

Figure CN223012540U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valve body processing, in particular to a lathe fixture for valve bodies. Background Art
[0002] A fixture refers to a device used in the process of mechanical manufacturing to fix a processing object so that it occupies a correct position to receive construction or inspection, also known as a chuck.
[0003] A valve body is a relatively widely used control valve component. During the production process of the valve body, in order to ensure that the valve body can play its due valve control role during use, the valve body needs to be corrected. Currently, for the correction of the valve body, the valve body is usually fixed manually first, and generally only one direction of the axial or radial direction can be fixed, resulting in displacement problems of the valve body during the processing process, and thus the processing accuracy is not high, and it is difficult to ensure the processing quality. Summary of the Utility Model
[0004] In order to overcome the shortcomings in the prior art, the purpose of the utility model is to provide a lathe fixture for valve bodies, which solves the problem that the valve body needs to be frequently corrected during the processing process in the prior art.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A lathe fixture for valve bodies includes a support table, a support plate, a valve body, a central shaft, a pressing plate and a washer. The support plate is fixedly connected to the support table. A central hole is formed in the support plate. The central shaft is inserted into the central hole. A connecting rod is fixedly arranged at the top of the central shaft. The bottom of the valve body is clamped to the top of the central shaft. The pressing plate is arranged inside the valve body and abuts against the valve body interface. The pressing plate is detachably connected to the connecting rod. A first annular groove is formed at the bottom of the support plate, and a second annular groove is formed in the support table. The washer abuts against the first annular groove and the second annular groove.
[0007] Compared with the prior art, the lathe fixture for valve bodies of the present application has the following beneficial effects:
[0008] During actual application, the valve body joint is aligned with the limiting convex ring at the top of the central shaft for connection, and the accuracy is calibrated through the limiting posts on the support plate. Then, the pressing plate is abutted against the valve body joint and clamped with the connecting rod. In this way, the technical problems of inconvenient clamping and relatively low processing accuracy are overcome, the rapid clamping of the valve body is realized, and the processing efficiency is improved.
[0009] Preferably, a first through hole is further formed in the support table, and the bottom of the central shaft is fixedly connected in the first through hole.
[0010] Beneficial effects: The bottom of the central axis is connected to the support platform, making the connection firm and avoiding shaking during processing.
[0011] Preferably, a limiting post is further provided. A second through hole is formed in the support plate, the limiting post is fixedly connected in the second through hole, a limiting hole is formed at the bottom of the valve body, and the limiting hole is matched with the top of the limiting post.
[0012] Beneficial effects: By setting the limiting hole to cooperate with the limiting post, when the valve body is fixed on the fixture, the position can be calibrated through the limiting hole, which improves...
[0013] Preferably, a counterweight is further provided. A third through hole is formed in the support platform, a fixing post is fixedly arranged on the counterweight, and the fixing post passes through the third through hole and is fixedly connected to the bottom of the support plate.
[0014] Beneficial effects: By setting the counterweight, the mutual installation of the support plate and the support platform is more firm, avoiding shaking during processing and affecting the processing accuracy of the valve body.
[0015] Preferably, a limiting convex ring is arranged at the top of the central axis, and the limiting convex ring is matched with the interface of the valve body.
[0016] Beneficial effects: The limiting convex ring is matched with the interface of the valve body, making the installation of the valve body more labor-saving and capable of completing clamping and fixing without precision calibration.
[0017] Preferably, a fourth through hole is formed in the support platform, a positioning member is arranged at the bottom of the support plate, and the bottom of the positioning member is inserted into the fourth through hole.
[0018] Beneficial effects: Through the insertion of the bottom of the fourth through hole and the positioning member, the connection between the two is firm, improving the assembly accuracy.
[0019] Preferably, a fixing ring groove is formed at the bottom of the support plate, a clamping block is arranged at the top of the positioning member, and the clamping block is connected in the fixing ring groove.
[0020] Beneficial effects: The positioning member is fixed at the bottom of the support plate through the fixing ring groove. When the positioning member is connected to the support platform, the support plate can be pressed against the support platform and is not easy to loosen. Description of the Drawings
[0021] Figure 1 It is a schematic structural diagram of a valve body turning fixture provided by an embodiment of the present invention;
[0022] Figure 2 It is a schematic structural diagram of a valve body turning fixture provided by an embodiment of the present invention;
[0023] Figure 3Schematic diagram of the structure of the support platform and the pallet provided by the embodiment of the present utility model;
[0024] Figure 4 Schematic diagram of the structure of the pallet provided by the embodiment of the present utility model;
[0025] Figure 5 Schematic diagram of the structure of the pallet provided by the embodiment of the present utility model;
[0026] Figure 6 Schematic diagram of the structure of the support platform provided by the embodiment of the present utility model;
[0027] Figure 7 Schematic diagram of the structure of the central shaft provided by the embodiment of the present utility model;
[0028] Figure 8 Schematic diagram of the structure of the positioning member provided by the embodiment of the present utility model;
[0029] Figure 9 Schematic diagram of the structure of the valve body provided by the embodiment of the present utility model. Detailed implementation manners
[0030] The following is a further detailed description through specific implementation manners:
[0031] The reference numerals in the accompanying drawings of the specification include: support platform 1, pallet 2, valve body 3, central shaft 4, pressing plate 5, washer 6, central hole 7, connecting rod 8, valve body interface 9, first annular groove 10, second annular groove 11, first through hole 12, limiting post 13, second through hole 14, limiting hole 15, counterweight 16, third through hole 17, fixing post 18, limiting convex ring 19, fourth through hole 20, positioning member 21, fixing annular groove 22, clamping block 23.
[0032] As shown in the attached Figures 1-9 figures: This embodiment shows a valve body turning fixture, including a support platform 1, a pallet 2, a valve body 3, a central shaft 4, a pressing plate 5 and a washer 6. The pallet 2 is fixedly connected to the support platform 1. A central hole 7 is provided on the pallet 2. The central shaft 4 is inserted into the central hole 7. A connecting rod 8 is fixedly provided at the top of the central shaft 4. The bottom of the valve body 3 is clamped to the top of the central shaft 4. The pressing plate 5 is arranged inside the valve body 3 and abuts against the valve body interface 9. The pressing plate 5 is detachably connected to the connecting rod 8. A first annular groove 10 is provided at the bottom of the pallet 2. A second annular groove 11 is provided on the support platform 1. The washer 6 abuts against the first annular groove 10 and the second annular groove 11.
[0033] Specifically, the valve body interface 9 is aligned with the limit convex ring 19 on the central axis 4 for clamping. The limit holes 15 on both sides are inserted into the limit posts 13 to achieve precise positioning. At this time, the pressing plate 5 is placed at the interface inside the valve body 3 and fixedly connected to the connecting rod 8 to complete the clamping and fixing. Such a setting improves the processing accuracy, reduces the steps for workers to perform position calibration after clamping, and improves the processing efficiency.
[0034] A first through hole 12 is also provided on the support table 1 of this embodiment, and the bottom of the central axis 4 is fixedly connected inside the first through hole 12.
[0035] Specifically, the lower end of the central axis 4 is connected to the support table 1 to make it firmly fixed with high connection strength.
[0036] This embodiment is also provided with limit posts 13. A second through hole 14 is provided on the support plate 2, and the limit posts 13 are fixedly connected inside the second through hole 14. Limit holes 15 are provided at the bottom of the valve body 3, and the limit holes 15 cooperate with the tops of the limit posts 13.
[0037] Specifically, when the valve body 3 is clamped on the support plate 2, positioning and calibration can be performed through the cooperation of the limit holes 15 and the limit posts 13, which is convenient for fixing.
[0038] This embodiment is also provided with a counterweight 16. A third through hole 17 is provided on the support table 1. A fixed post 18 is fixedly provided on the counterweight 16, and the fixed post 18 passes through the third through hole 17 and is fixedly connected to the bottom of the support plate 2.
[0039] Specifically, by connecting the counterweight 16 to the bottom of the support plate, the connection between it and the support table 1 becomes more firm, which is convenient for lathe processing.
[0040] The top of the central axis 4 of this embodiment is provided with a limit convex ring 19, and the limit convex ring 19 cooperates with the valve body interface 9.
[0041] Specifically, the cooperation between the limit convex ring 19 and the valve body interface 9 facilitates positioning when the valve body 3 is clamped and connected to the support plate 2.
[0042] A fourth through hole 20 is provided on the support table 1 of this embodiment. A positioning member 21 is provided at the bottom of the support plate 2, and the bottom of the positioning member 21 is inserted into the fourth through hole 20.
[0043] A fixed ring groove 22 is provided at the bottom of the support plate 2 of this embodiment. A clamping block 23 is provided at the top of the positioning member 21, and the clamping block 23 is connected in the fixed ring groove 22.
[0044] Specifically, the clamping block 23 at the top of the positioning member 21 is clamped in the fixed ring groove 22. When the support plate 2 is connected to the support table 1, the bottom of the positioning member 21 is fixedly connected in the fourth through hole 20 of the support table 1, and the support plate 2 can be pressed tightly on the support table 1 to make it more firmly fixed and not easy to shake.
[0045] The above are only the embodiments of the present utility model, and common general technical solutions and / or characteristics in the solutions are not described in detail herein. It should be noted that for those skilled in the art, without departing from the technical solution of the present utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the implementation effect of the present utility model and the practicability of the patent. The protection scope required by this application shall be subject to the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.
Claims
1. A valve body turning fixture, characterized in that: The valve body (3) comprises a support platform (1), a supporting plate (2), a valve body (3), a center shaft (4), a pressure plate (5) and a gasket (6); the supporting plate (2) is fixedly connected to the supporting platform (1); a center hole (7) is provided on the supporting plate (2); the center shaft (4) is inserted into the center hole (7); a connecting rod (8) is fixedly provided on the top of the center shaft (4); the bottom of the valve body (3) is clamped on the top of the center shaft (4); the pressure plate (5) is arranged inside the valve body (3) and abuts against the valve body interface (9); the pressure plate (5) and the connecting rod (8) are detachably connected; a first annular groove (10) is provided on the bottom of the supporting plate (2); a second annular groove (11) is provided on the supporting platform (1); and the gasket (6) abuts against the first annular groove (10) and the second annular groove (11).
2. A valve body turning fixture according to claim 1, characterized in that: The support platform (1) is also provided with a first through hole (12), and the bottom of the central axis (4) is fixedly connected in the first through hole (12).
3. The valve body turning fixture according to claim 1, characterized in that: A limiting column (13) is also provided, a second through hole (14) is provided on the support plate (2), the limiting column (13) is fixedly connected in the second through hole (14), a limiting hole (15) is provided at the bottom of the valve body (3), and the limiting hole (15) cooperates with the top of the limiting column (13).
4. The valve body turning fixture according to claim 1, characterized in that: A counterweight block (16) is also provided. A third through hole (17) is provided on the support platform (1). A fixing column (18) is fixedly provided on the counterweight block (16). The fixing column (18) passes through the third through hole (17) and is fixedly connected to the bottom of the support plate (2).
5. The valve body turning fixture according to claim 1, characterized in that: A limiting convex ring (19) is provided on the top of the central shaft (4), and the limiting convex ring (19) cooperates with the valve body interface (9).
6. The valve body turning fixture according to claim 1, characterized in that: The support platform (1) is provided with a fourth through hole (20), the bottom of the support plate (2) is provided with a positioning piece (21), and the bottom of the positioning piece (21) is inserted into the fourth through hole (20).
7. A valve body turning fixture according to claim 6, characterized in that: A fixing ring groove (22) is provided at the bottom of the support plate (2), and a clamping block (23) is provided at the top of the positioning member (21), wherein the clamping block (23) is connected to the fixing ring groove (22).