Machining tool for butterfly valve seat

By designing a butterfly valve seat processing tool for processing tables, hydraulic rods, sliding tables and fixed components, the problem of difficulty in quickly removing the valve seat is solved, and a safe and stable valve seat processing process is achieved.

CN223029094UActive Publication Date: 2025-06-27WENZHOU TENGBO VALVE PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520979831.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2025-06-27
Estimated Expiration
2035-05-19

AI Technical Summary

Technical Problem

During the processing of butterfly valve seat, the gap between the drilling machine and the valve seat is small, making it difficult to quickly remove the valve seat and there is a risk of injury to the operator.

Method used

A processing tool for butterfly valve seats is designed, including a processing table, hydraulic rod, drilling machine, sliding table, support block and fixing components. Through the use of the adjustment components, the valve seats can be quickly removed, and the valve seats of different sizes can be limited by fixing the components to improve machining stability.

Benefits of technology

The valve seat is quickly and safely removed, the safety of operators is improved, and the stability of valve seat processing is improved through the limit function.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223029094U_ABST
    Figure CN223029094U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of valve seat machining, and discloses a butterfly valve seat machining tool which comprises a machining table, an L-shaped plate is fixedly installed in the middle of the top of the machining table, a hydraulic rod is fixedly installed at the top of an inner cavity of the L-shaped plate, and a drilling machine is fixedly installed at the bottom end of the hydraulic rod. A sliding table is arranged at the position, close to the middle, of the top of the machining table, a supporting block is fixedly installed at the position, close to the rear side, of the top of the sliding table, a groove is formed in the position, close to the rear side, of the top of the sliding table, a fixing assembly is arranged in an inner cavity of the groove, and an adjusting assembly is arranged at the bottom of the sliding table. And under the cooperative use of an adjusting assembly, a handle can be pulled upwards, an inserting block can be far away from an inner cavity of an adjacent inserting groove under the connection of a vertical rod, then a fixing block can be pulled forwards, a sliding table can be pulled to the top of a connecting table, the valve seat can be conveniently taken out, an operator is prevented from being injured, and the use safety of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of valve seat processing, in particular to a processing tooling for a butterfly valve seat. Background Technique

[0002] A butterfly valve, also called a flap valve, is a simple-structured regulating valve that can be used for the on-off control of media in low-pressure pipelines. A butterfly valve refers to a valve in which the closing member (valve flap or butterfly plate) is a disc and rotates around the valve shaft to achieve opening and closing. The processing tooling for a butterfly valve seat refers to a processing mechanical device for a butterfly valve seat.

[0003] The valve seat is a detachable component inside the valve, used to support the fully closed position of the valve core and form a sealing pair. When processing the valve seat, the drilling machine is located directly above the valve seat to be processed. However, when taking it out after processing, due to the small gap between the valve seat and the drilling machine, it is not conducive to quickly taking out the valve seat and is likely to cause injury to the operator.

[0004] Therefore, we propose a processing tooling for a butterfly valve seat to solve the problems raised above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a processing tooling for a butterfly valve seat to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A processing tooling for a butterfly valve seat, including a processing table. At the middle position on the top of the processing table, an L-shaped plate is fixedly installed. At the top inside the L-shaped plate, a hydraulic rod is fixedly installed. At the bottom end of the hydraulic rod, a drilling machine is fixedly installed. A sliding table is arranged near the middle position on the top of the processing table. At the middle position on the top of the sliding table, a support block is fixedly installed. A groove is opened near the rear side on the top of the sliding table. A fixing component is arranged inside the groove. An adjusting component is arranged at the bottom of the sliding table. An adapter table is fixedly installed on the front side of the processing table. A controller is fixedly installed near the other side on the front side of the processing table;

[0007] The adjusting component includes support platforms near both sides at the bottom of the sliding table and a fixing block fixedly installed near the bottom on the front side of the sliding table. The bottoms of the support platforms are fixedly connected to the processing table. A vertical rod passes through the top of the fixing block movably. At the top end of the vertical rod, a handle is fixedly installed. At the bottom end of the vertical rod, a plug block is fixedly installed. A plurality of slots are opened on the tops of the processing table and the adapter table, and the bottom of the plug block is movably inserted into the inner cavity of the adjacent slot.

[0008] Preferably, telescopic rods are fixedly installed near both sides at the top of the plug block, and the top ends of the telescopic rods are fixedly connected to the fixing block. Spring A is movably sleeved on the outer periphery of each telescopic rod, and both ends of Spring A are fixedly connected to the fixing block and the plug block respectively.

[0009] Preferably, limiting grooves are formed at the tops of the support platforms, and limiting blocks are slidably connected to the inner cavities of the limiting grooves. The tops of the limiting blocks are fixedly connected to the sliding platforms, and balls are movably installed at the bottoms of the limiting blocks. Rolling grooves are formed in the inner cavities of the limiting grooves, and the balls are respectively slidably connected to the inner cavities of the adjacent rolling grooves.

[0010] Preferably, the fixing assembly includes a threaded rod rotatably connected to the other side of the inner cavity of the groove and a driving knob fixedly installed at the end of the threaded rod. One end of the threaded rod movably penetrates through one side of the inner cavity of the groove. Threaded sleeves are respectively threadedly connected to the outer periphery of the threaded rod near both ends. Connecting columns are fixedly installed at the tops of the threaded sleeves, and arc-shaped clamping plates are fixedly installed on the opposite sides of the connecting columns.

[0011] Preferably, connecting blocks are fixedly installed at the rear sides of the threaded sleeves, and a straight rod movably penetrates through one sides of the connecting blocks. Both ends of the straight rod are fixedly connected to the side walls of the inner cavity of the groove.

[0012] Preferably, a T-shaped pull rod movably penetrates through one side of the driving knob. A plurality of blind holes are formed in one side of the sliding platform, and the other end of the T-shaped pull rod is movably inserted into the inner cavity of the adjacent blind hole. A spring B is movably sleeved on the outer periphery of the T-shaped pull rod near one end, and both ends of the spring B are fixedly connected to the T-shaped pull rod and the driving knob respectively.

[0013] Preferably, the plurality of blind holes are arranged in an annular array centered on the center of the driving knob.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. When taking out the processed valve seat, with the cooperation of the adjusting assembly, when pulling up the handle upward, the inserting block can be far away from the inner cavity of the adjacent inserting slot under the connection of the vertical rod, and then the fixing block can be pulled forward to pull the sliding platform to the top of the connecting platform, which is convenient for taking out the valve seat, avoiding injury to the operator and improving the safety of device use.

[0016] 2. When processing the valve seat, with the cooperation of the fixing assembly, the two threaded sleeves threadedly connected to the outer periphery of the threaded rod can move towards the opposite sides, and the adjacent arc-shaped clamping plates can move towards the opposite sides under the connection of the adjacent connecting columns, so as to limit valve seats of different sizes and improve the stability during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 is the partial side sectional view of the sliding seat and the processing table of the utility model;

[0019] Figure 3 This is a partial sectional three-dimensional structural schematic diagram of the support table, ball and limit block of the present utility model;

[0020] Figure 4 of the present utility model Figure 2 Enlarged view of part A in

[0021] Figure 5 of the present utility model Figure 2 Enlarged view of part B in

[0022] Figure 6 of the present utility model Figure 2 Enlarged view of part C in

[0023] In the figure: 1, processing table; 2, controller; 3, L-shaped plate; 4, hydraulic rod; 5, drilling machine; 6, connection table; 7, adjustment component; 71, support table; 711, rolling groove; 712, limit groove; 713, limit block; 714, ball; 72, fixed block; 73, vertical rod; 74, handle; 75, insertion block; 751, telescopic rod; 752, spring A; 76, slot; 8, fixing component; 81, threaded rod; 82, driving knob; 821, T-shaped pull rod; 822, spring B; 83, threaded sleeve; 831, connection block; 832, straight rod; 84, connection column; 85, arc-shaped clamping plate; 9, sliding table; 10, support block; 20, groove. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-6 , a processing tool for a butterfly valve seat, including a processing table 1, an L-shaped plate 3 is fixedly installed at the middle position of the top of the processing table 1, a hydraulic rod 4 is fixedly installed at the top of the inner cavity of the L-shaped plate 3, a drilling machine 5 is fixedly installed at the bottom end of the hydraulic rod 4, (the controller 2 is electrically connected to the drilling machine 5 and can control the opening and closing of the drilling machine 5) a sliding table 9 is arranged at the top of the processing table 1 near the middle position, a support block 10 is fixedly installed at the middle position of the top of the sliding table 9, a groove 20 is opened at the top of the sliding table 9 near the rear side, a fixing component 8 is arranged in the inner cavity of the groove 20, an adjustment component 7 is arranged at the bottom of the sliding table 9, a connection table 6 is fixedly installed at the front side of the processing table 1, and a controller 2 is fixedly installed at the front side of the processing table 1 near the other side;

[0027] The adjusting component 7 includes support platforms 71 located near both sides at the bottom of the sliding table 9 and fixing blocks 72 fixedly installed near the bottom at the front side of the sliding table 9. The bottoms of the support platforms 71 are fixedly connected to the processing table 1. A vertical rod 73 movably penetrates through the top of the fixing block 72. A handle 74 is fixedly installed at the top end of the vertical rod 73, and a plug block 75 is fixedly installed at the bottom end of the vertical rod 73. A plurality of slots 76 are formed in the tops of the processing table 1 and the connection table 6 (the plurality of slots 76 are linearly arranged in sequence from front to back), and the bottom of the plug block 75 is movably inserted into the inner cavity of the adjacent slot 76.

[0028] On both sides near the top of the plug block 75, telescopic rods 751 are fixedly installed, and the top ends of the telescopic rods 751 are fixedly connected to the fixing block 72. Spring A752 is movably sleeved on the outer periphery of each telescopic rod 751, and both ends of the spring A752 are fixedly connected to the fixing block 72 and the plug block 75 respectively.

[0029] Specifically, by providing the telescopic rods 751 and the spring A752, the plug block 75 can be stably inserted into the inner cavity of the adjacent slot 76.

[0030] Limiting grooves 712 are formed in the tops of the support platforms 71, and limiting blocks 713 are slidably connected to the inner cavities of the limiting grooves 712. The tops of the limiting blocks 713 are fixedly connected to the sliding table 9. Balls 714 are movably installed at the bottoms of the limiting blocks 713. Rolling grooves 711 are formed in the inner cavities of the limiting grooves 712, and the balls 714 are respectively slidably connected to the inner cavities of the adjacent rolling grooves 711.

[0031] Specifically, by providing the balls 714 slidably connected to the inner cavities of the rolling grooves 711, the sliding friction of the sliding table 9 on the support platform 71 is reduced.

[0032] Embodiment 2

[0033] This embodiment is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figure 2 、 Figure 4 and Figure 5 . The fixing component 8 includes a threaded rod 81 rotatably connected to the other side in the inner cavity of the groove 20 and a driving knob 82 fixedly installed at the end of the threaded rod 81 (opposite external threads are provided near both ends of the outer periphery of the threaded rod 81, and the precision of the external threads is the same). One end of the threaded rod 81 movably penetrates through one side of the inner cavity of the groove 20. Threaded sleeves 83 are respectively threadedly connected to the outer periphery of the threaded rod 81 near both ends. Connecting columns 84 are fixedly installed at the tops of the threaded sleeves 83. Arc-shaped clamping plates 85 are fixedly installed on the opposite sides of the connecting columns 84.

[0034] A connecting block 831 is fixedly installed on the rear side of each of the threaded sleeves 83, and a straight rod 832 movably penetrates through one side of the connecting blocks 831 together. The two ends of the straight rod 832 are respectively fixedly connected to the inner cavity side walls of the grooves 20.

[0035] Specifically, by providing the connecting block 831 and the straight rod 832, the movement of the threaded sleeve 83 can be limited, and the stability of the movement of the threaded sleeve 83 can be improved.

[0036] A T-shaped pull rod 821 movably penetrates through one side of the driving button 82. A plurality of blind holes are formed in one side of the sliding table 9, and the plurality of blind holes are arranged in an annular array centered on the center of the driving button 82. The other end of the T-shaped pull rod 821 is movably inserted into the inner cavity of an adjacent blind hole. A spring B 822 is movably sleeved on the outer periphery of the T-shaped pull rod 821 near one end, and the two ends of the spring B 822 are respectively fixedly connected to the T-shaped pull rod 821 and the driving button 82.

[0037] Specifically, by providing the T-shaped pull rod 821 inserted into the inner cavity of an adjacent blind hole, the rotation position of the driving button 82 can be limited, and the effect of limiting the valve seat by the arc-shaped clamping plate 85 can be improved.

[0038] Working principle: When the present utility model is in use, when machining the valve seat, the valve seat is placed on the top of the support block 10. Then, the T-shaped pull rod 821 can be pulled to one side to make the other end of the T-shaped pull rod 821 away from the inner cavity of the adjacent blind hole. Then, the driving button 82 can be rotated to make the threaded rod 81 fixed on the driving button 82 rotate. Opposite external threads are provided near both ends of the outer periphery of the threaded rod 81, and the precision of the external threads is the same. Under the rotation of the threaded rod 81, the threaded sleeves 83 threadedly connected to the adjacent threaded rods 81 move toward the opposite sides under the limitation of the adjacent connecting blocks 831 and the straight rod 832. Under the connection of the adjacent connecting columns 84, the adjacent arc-shaped clamping plates 85 move toward the opposite sides, and valve seats of different sizes can be limited, improving the stability during machining. Then, the vertical rod 73 can be pulled upward through the handle 74 to make the plug 75 fixed at the bottom of the vertical rod 73 away from the inner cavity of the adjacent slot 76. Then, the sliding table 9 can be pushed backward to make the sliding table 9 move backward. When the sliding table 9 moves to a suitable position on the processing table 1, then the handle 74 can be released, and under the elastic force of the telescopic rod 751 and the spring A 752, the plug 75 can be inserted into the inner cavity of the adjacent slot 76. On the contrary, the sliding table 9 can be slid out from the top of the connecting table 6, facilitating the removal of the valve seat and avoiding injury to the operator, improving the safety of the device during use.

[0039] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0040] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A tool for processing a butterfly valve seat, comprising a processing table (1), characterized in that: An L-shaped plate (3) is fixedly installed at the middle position of the top of the processing table (1), a hydraulic rod (4) is fixedly installed at the top of the inner cavity of the L-shaped plate (3), a drilling machine (5) is fixedly installed at the bottom end of the hydraulic rod (4), a sliding table (9) is arranged near the middle position of the top of the processing table (1), a support block (10) is fixedly installed at the middle position of the top of the sliding table (9), a groove (20) is provided at the top of the sliding table (9) near the rear side, a fixing component (8) is arranged in the inner cavity of the groove (20), an adjusting component (7) is arranged at the bottom of the sliding table (9), a connecting table (6) is fixedly installed at the front side of the processing table (1), and a controller (2) is fixedly installed at the front side of the processing table (1) near the other side; The adjustment assembly (7) comprises a support platform (71) located at the bottom of the sliding table (9) near both sides and a fixed block (72) fixedly mounted on the front side of the sliding table (9) near the bottom. The bottom of the support platform (71) is fixedly connected to the processing table (1). A vertical rod (73) movably penetrates the top of the fixed block (72). A handle (74) is fixedly mounted on the top of the vertical rod (73). An insert block (75) is fixedly mounted on the bottom of the vertical rod (73). A plurality of slots (76) are provided on the top of the processing table (1) and the connecting table (6), and the bottom of the insert block (75) is movably inserted into the inner cavity of an adjacent slot (76).

2. The tooling for processing a butterfly valve seat according to claim 1, characterized in that: Telescopic rods (751) are fixedly mounted on the top of the insert block (75) near both sides, and the top ends of the telescopic rods (751) are fixedly connected to the fixed block (72). A spring A (752) is movably sleeved on the outer circumference of the telescopic rod (751), and the two ends of the spring A (752) are respectively fixedly connected to the fixed block (72) and the insert block (75).

3. The tooling for processing a butterfly valve seat according to claim 1, characterized in that: The top of the support platform (71) is provided with a limiting groove (712), and the inner cavity of the limiting groove (712) is slidably connected to the limiting block (713), the top of the limiting block (713) is fixedly connected to the sliding platform (9), the bottom of the limiting block (713) is movably installed with a ball (714), the inner cavity of the limiting groove (712) is provided with a rolling groove (711), and the ball (714) is slidably connected in the inner cavity of adjacent rolling grooves (711).

4. The tooling for processing a butterfly valve seat according to claim 1, characterized in that: The fixing assembly (8) comprises a threaded rod (81) rotatably connected to the other side of the inner cavity of the groove (20) and a driving button (82) fixedly mounted on the end of the threaded rod (81); one end of the threaded rod (81) movably passes through one side of the inner cavity of the groove (20); a threaded sleeve (83) is threadedly connected to the outer periphery of the threaded rod (81) near both ends; a connecting column (84) is fixedly mounted on the top of the threaded sleeve (83); and an arc-shaped clamping plate (85) is fixedly mounted on the opposite side of the connecting column (84).

5. The tooling for processing a butterfly valve seat according to claim 4, characterized in that: A connecting block (831) is fixedly mounted on the rear side of the threaded sleeve (83), and a straight rod (832) is movably passed through one side of the connecting block (831), and both ends of the straight rod (832) are respectively fixedly connected to the inner cavity side wall of the groove (20).

6. The tooling for processing a butterfly valve seat according to claim 4, characterized in that: A T-shaped pull rod (821) is movably inserted through one side of the driving button (82), a plurality of blind holes are opened on one side of the sliding platform (9), and the other end of the T-shaped pull rod (821) is movably inserted into the inner cavity of an adjacent blind hole. A spring B (822) is movably sleeved on the outer periphery of the T-shaped pull rod (821) near one end, and the two ends of the spring B (822) are respectively fixedly connected to the T-shaped pull rod (821) and the driving button (82).

7. A tooling for processing a butterfly valve seat according to claim 6, characterized in that: The plurality of blind holes are arranged in a circular array with the center of the driving button (82) as the center.