Valve seat machining jig

Abstract

The utility model discloses a valve seat processing clamp relates to valve seat processing technical field, this valve seat processing clamp, including base, first clamp and second clamp, first clamp and second clamp are installed respectively in the upper end both sides of base, still include: first mobile seat, its installation is above base, and first mobile seat is located one side of first clamp, through first rotary rod and be connected between first mobile seat and first clamp, and first rotary rod is connected with first mobile seat through bearing, first mobile seat surface is close to the side of first clamp and is provided with fixed sheet, after adjusting angle, through rotating second handle, drive unidirectional screw rod to rotate to the effect of screw thread transmission and pull back the connecting disc, and the connecting rod is moved to the connecting disc drive, makes the friction sheet to the rotary sheet direction and is pasted, and the rotary sheet is pushed to the other side and contacts with fixed sheet, makes fixed sheet and friction sheet to the clamping of rotary sheet dead lock.

Description

Technical Field

[0001] This utility model relates to the field of valve seat processing technology, specifically a valve seat processing fixture. Background Technology

[0002] The valve seat is a crucial component of a valve, forming part of the valve's sealing pair. It is located inside the valve body, surrounding the inlet or outlet of the medium flow channel. During processing, the valve seat needs to be installed and fixed using a clamp for easy clamping.

[0003] For example, the announcement number CN219685094U is a valve processing fixture. The device includes a processing table, and two limiting slide rods are fixedly connected to the top of the processing table. Two T-shaped movable seats are movably connected between the two limiting slide rods. The processing table, T-shaped movable seats, clamping vertical plate, bidirectional motor and hydraulic cylinder are connected to each other to position, clamp and fix the valve. When the above-mentioned device is in use, the valve is fixed by a clamp and the valve angle can be adjusted by rotation, which is convenient for processing. However, after the valve angle is adjusted, it is not convenient to limit and fix it. Utility Model Content

[0004] The purpose of this utility model is to provide a valve seat processing fixture to solve the problem mentioned in the background art that it is inconvenient to limit and fix the valve after adjusting the angle.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a valve seat processing fixture, comprising a base, a first fixture, and a second fixture, wherein the first fixture and the second fixture are respectively installed on both sides of the upper end of the base; Also includes: A first movable seat is mounted above the base and located on one side of the first clamp. The first movable seat and the first clamp are connected by a first rotating rod, which is connected to the first movable seat via a bearing. A fixing plate is provided on the surface of the first movable seat near the first clamp. A rotating plate is movably sleeved on the surface of the first rotating rod. A friction plate is provided between the rotating plate and the first clamp. A connecting plate is provided on the other side of the first movable seat. The connecting plate and the friction plate are connected by a connecting rod, which passes through a circular hole on the surface of the first movable seat and is connected and fixed to the connecting plate and the friction plate.

[0006] Preferably, a one-way screw is provided on the side of the first movable seat near the connecting plate. The one-way screw is connected to the first movable seat through a bearing, and the one-way screw is threadedly connected to a threaded hole on the surface of the connecting plate. A second handle is provided at the other end of the one-way screw.

[0007] Preferably, the second clamp is provided with a second rotating rod on the side near the second movable seat, and the second rotating rod is connected to the second movable seat through a bearing. The other end of the second rotating rod is provided with a first handle, and the first handle is located on the other side of the second movable seat.

[0008] Preferably, the first rotating rod has symmetrically arranged moving grooves on both sides of its surface, and the rotating plate has symmetrically arranged protrusions on both sides of its inner hole, with the protrusions slidingly engaging inside the moving grooves.

[0009] Preferably, a spring is provided inside the movable groove on the side near the first movable seat, and one end of the spring is in contact with the protrusion.

[0010] Preferably, the surface of the base is provided with a sliding groove, and the bottom of the first clamp and the second clamp are both provided with sliders, which are slidably engaged inside the sliding groove. A bidirectional screw is provided inside the sliding groove, and the two sliders are threadedly connected to the bidirectional screw through threaded holes on the surface. One end of the bidirectional screw is connected to a motor, and the motor is located on the outside of the base.

[0011] Preferably, both the fixing plate and the friction plate have circular holes on their surfaces, and the first rotating rod passes through the circular holes on the surfaces of the fixing plate and the friction plate to connect with the first movable seat.

[0012] Compared with the prior art, the beneficial effects of this utility model are: By setting a clamping mechanism on the surface of the first movable seat, the first rotating rod and the first clamp rotate together. After the first clamp and the second clamp clamp and fix the valve seat, the first rotating rod can be rotated by rotating the angle of the valve seat. After adjusting the angle, the second handle is turned to drive the one-way screw to rotate, thereby pulling the connecting plate backward under the action of thread transmission. The connecting plate drives the connecting rod to move, so that the friction plate is in contact with the rotating plate and the rotating plate is pushed to the other side to contact the fixed plate. The fixed plate and the friction plate clamp and hold the rotating plate tightly, so that the first rotating rod can be fixed and limited, so that the first clamp will not drive the valve seat to rotate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the clamping structure of this utility model; Figure 3 This is a side sectional view of the clamping structure of this utility model; Figure 4 This is a schematic diagram showing the connection between the rotating plate and the first rotating rod of this utility model; In the diagram: 1. Base; 2. First movable seat; 3. First clamp; 4. Second clamp; 5. Second movable seat; 6. Slide groove; 7. Bidirectional screw; 8. Motor; 9. Second rotating rod; 10. Slider; 11. First handle; 12. Second handle; 13. Connecting plate; 14. Friction plate; 15. Fixing plate; 16. Connecting rod; 17. One-way screw; 18. First rotating rod; 19. Movable groove; 20. Rotating plate; 21. Spring; 22. Protrusion. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] This utility model provides a valve seat machining fixture, which includes a base 1, a first clamp 3, and a second clamp 4, with the first clamp 3 and the second clamp 4 respectively installed on both sides of the upper end of the base 1. This utility model mainly solves the problem of inconvenience in limiting and fixing the valve after the valve angle is adjusted.

[0016] For the device provided by this utility model, please refer to Figure 1-4 The following is a detailed introduction.

[0017] Please see Figure 1 To further explain, the first movable seat 2 is mounted above the base 1 and is located on one side of the first clamp 3. The first movable seat 2 and the first clamp 3 are connected by a first rotating rod 18, which is connected to the first movable seat 2 via a bearing. A fixing plate 15 is provided on the surface of the first movable seat 2 near the first clamp 3. The surface of the fixing plate 15 is covered with rubber to improve friction. A rotating plate 20 is movably sleeved on the surface of the first rotating rod 18. A friction plate 14 is provided between the rotating plate 20 and the first clamp 3. The surface of the friction plate 14 is rough to further improve friction. The rotating plate 20 interacts with the friction plate... When the friction plate 14 comes into contact with the fixed plate 15, it can generate a large friction force, thereby limiting and fixing the first rotating rod 18. A connecting plate 13 is provided on the other side of the first moving seat 2. The connecting plate 13 and the friction plate 14 are connected by a connecting rod 16. The connecting rod 16 passes through the round hole on the surface of the first moving seat 2 and is connected and fixed to the connecting plate 13 and the friction plate 14. A one-way screw 17 is provided on the side of the first moving seat 2 near the connecting plate 13. The one-way screw 17 is connected to the first moving seat 2 through a bearing. The one-way screw 17 is threadedly connected to the threaded hole on the surface of the connecting plate 13. A second handle 12 is provided at the other end of the one-way screw 17.

[0018] Please see Figure 1To further explain, a second rotating rod 9 is provided on the side of the second clamp 4 near the second movable seat 5, and the second rotating rod 9 is connected to the second movable seat 5 through a bearing. A first handle 11 is provided at the other end of the second rotating rod 9, and the first handle 11 is located on the other side of the second movable seat 5. After clamping the valve seat, the entire first clamp 3, second clamp 4 and valve seat can be rotated and adjusted by rotating the first handle 11.

[0019] Please see Figure 4 To further explain, the first rotating rod 18 has symmetrically arranged moving grooves 19 on both sides of its surface, and the rotating plate 20 has symmetrically arranged protrusions 22 on both sides of its inner hole. The protrusions 22 are slidably engaged inside the moving grooves 19. The protrusions 22 are slidably engaged inside the moving grooves 19, which allows the first rotating rod 18 to rotate together with the rotating plate 20. A spring 21 is arranged inside the moving groove 19 on the side near the first moving seat 2, and one end of the spring 21 is in contact with the protrusion 22. After the clamping mechanism is released, the rotating plate 20 is pushed away from the fixed plate 15 under the action of the spring 21, so that the rotating plate 20 will not contact the fixed plate 15.

[0020] Please see Figure 1 To further explain, the surface of the base 1 is provided with a sliding groove 6, and the bottom of the first clamp 3 and the second clamp 4 are both provided with sliders 10, and the sliders 10 are slidably engaged inside the sliding groove 6. The sliding groove 6 is provided with a bidirectional screw 7, and the two sliders 10 are threadedly connected to the bidirectional screw 7 through the threaded holes on the surface. One end of the bidirectional screw 7 is connected to a motor 8, and the motor 8 is located on the outside of the base 1. The bidirectional screw 7 is used to drive the two clamps to clamp and loosen.

[0021] Please see Figure 2 To further explain, both the fixed plate 15 and the friction plate 14 have round holes on their surfaces, and the first rotating rod 18 passes through the round holes on the surfaces of the fixed plate 15 and the friction plate 14 respectively to connect with the first movable seat 2. The round holes on the surfaces of the fixed plate 15 and the friction plate 14 can avoid contact with the first rotating rod 18, so that the rotation of the first rotating rod 18 is not affected.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A valve seat processing fixture, comprising a base (1), a first fixture (3) and a second fixture (4), wherein the first fixture (3) and the second fixture (4) are respectively installed on both sides of the upper end of the base (1); characterized in that Also includes: The first movable seat (2) is installed above the base (1) and is located on one side of the first clamp (3). The first movable seat (2) and the first clamp (3) are connected by the first rotating rod (18), and the first rotating rod (18) is connected to the first movable seat (2) through a bearing. A fixing plate (15) is provided on the side of the first movable seat (2) near the first clamp (3). A rotating plate (20) is movably sleeved on the surface of the first rotating rod (18). A friction plate (14) is provided between the rotating plate (20) and the first clamp (3). A connecting plate (13) is provided on the other side of the first movable seat (2). The connecting plate (13) and the friction plate (14) are connected by a connecting rod (16), and the connecting rod (16) passes through the round hole on the surface of the first movable seat (2) and is connected and fixed to the connecting plate (13) and the friction plate (14).

2. A valve seat machining jig according to claim 1, characterized in that: The first movable seat (2) is provided with a one-way screw (17) on the side near the connecting plate (13). The one-way screw (17) is connected to the first movable seat (2) through a bearing, and the one-way screw (17) is threaded to the threaded hole on the surface of the connecting plate (13). The other end of the one-way screw (17) is provided with a second handle (12).

3. The valve seat machining fixture of claim 1, wherein: The second clamp (4) is provided with a second rotating rod (9) on one side near the second movable seat (5), and the second rotating rod (9) is connected to the second movable seat (5) through a bearing. The other end of the second rotating rod (9) is provided with a first handle (11), and the first handle (11) is located on the other side of the second movable seat (5).

4. The valve seat machining fixture of claim 1, wherein: The first rotating rod (18) has symmetrical moving grooves (19) on both sides of its surface, and the rotating plate (20) has symmetrical protrusions (22) on both sides of its inner hole, and the protrusions (22) are slidably engaged inside the moving grooves (19).

5. A valve seat machining jig according to claim 4, wherein: A spring (21) is provided inside the movable groove (19) on the side near the first movable seat (2), and one end of the spring (21) is in contact with the protrusion (22).

6. The valve seat machining fixture of claim 1, wherein: The base (1) has a groove (6) on its surface. The bottom of the first clamp (3) and the second clamp (4) are both provided with sliders (10), and the sliders (10) are slidably engaged in the groove (6). The groove (6) is provided with a bidirectional screw (7), and the two sliders (10) are threadedly connected to the bidirectional screw (7) through the threaded holes on the surface. One end of the bidirectional screw (7) is connected to a motor (8), and the motor (8) is located on the outside of the base (1).

7. The valve seat machining fixture of claim 1, wherein: Both the fixed plate (15) and the friction plate (14) have round holes on their surfaces, and the first rotating rod (18) passes through the round holes on the surfaces of the fixed plate (15) and the friction plate (14) to connect with the first moving seat (2).

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