Valve clack tapping mechanism of eccentric valve

Abstract

The utility model discloses a valve clack trepanning mechanism of an eccentric valve, which comprises a fixed platform, the bottom surface of the fixed platform is fixedly connected with a support column, the top surface of the fixed platform is fixedly connected with a support, the inner wall of the fixed platform is rotatably connected with a fixed disc, the surface of the fixed disc is fixedly connected with a limit ring, and a valve clack is placed on the fixed disc. A driving mechanism is started to drive a clamping assembly to move to make contact with a valve clack to conduct clamping and fixing work, a rotating mechanism is started to drive the valve clack to rotate through a connecting frame, a fixing disc, a limiting ring and the clamping assembly so as to adjust the drilling position, a drill bit is clamped through a movable trepanning assembly, and after the movable trepanning assembly is started to drive the drill bit to move to a target position, the drilling position is adjusted. When the valve clack is punched, the drill bit is started to rotate and move downwards, the valve clack can be punched, the purpose that the punching position of the valve clack can be automatically adjusted conveniently is achieved, and the problem that the punching production efficiency of the valve clack is greatly reduced due to the fact that the fixed punching position of the valve clack is manually adjusted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of eccentric valve production, in particular to a valve flap opening mechanism of an eccentric valve. Background Art

[0002] Eccentric valves and flange gate valves are valves of the same type, the difference is that the closing part is a ball, which rotates around the center line of the valve body to open and close. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline.

[0003] When the valve disc of the eccentric valve is produced, it is necessary to use an opening mechanism to make holes on the surface of the valve disc. However, the existing opening mechanism is difficult to automatically adjust the hole position on the valve disc when in use. Usually, the staff needs to manually adjust the fixed position of the valve disc before making holes at different positions of the valve disc, which greatly reduces the opening production efficiency of the valve disc. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a valve flap opening mechanism for an eccentric valve, which is used to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A valve disc opening mechanism for an eccentric valve comprises a fixed platform, the bottom surface of the fixed platform is fixedly connected to a support column, the top surface of the fixed platform is fixedly connected to a bracket, the inner wall of the fixed platform is rotatably connected to a fixed disk, the surface of the fixed disk is fixedly connected to a limiting ring, and the limiting ring is rotatably connected to the inner wall of the fixed platform, a limiting groove is penetrated through the top surface of the fixed disk, the bottom surface of the fixed disk is fixedly connected to a connecting frame, the inner wall of the connecting frame is fixedly connected to a transmission column, the bottom surface of the fixed platform is provided with a rotating mechanism, the limiting groove is provided with a clamping assembly, the bottom surface of the fixed disk is provided with a driving mechanism, and the bracket is provided with a movable opening assembly.

[0007] Preferably, the rotating mechanism consists of a fixed ring, a first servo motor, a worm and a worm wheel, the fixed ring is fixedly connected to the bottom surface of the fixed platform, the first servo motor is fixedly connected to the inner wall of the fixed ring, the worm is fixedly connected to the output end of the first servo motor, the worm wheel is fixedly connected to the surface of the transmission column, and the worm wheel is meshed with the worm.

[0008] Preferably, the clamping assembly consists of a limiting slider and a clamping plate, the limiting slider is slidably connected to the inner wall of the limiting slide groove, the clamping plate is fixedly connected to the top surface of the limiting slider, and the clamping plate is slidably connected to the top surface of the fixed plate.

[0009] Preferably, the driving mechanism consists of a second servo motor, a bidirectional threaded rod and a threaded sleeve, the second servo motor is fixedly connected to the bottom surface of the fixed disk, the bidirectional threaded rod is fixedly connected to the output end of the second servo motor, the threaded sleeve is fixedly connected to the bottom surface of the limiting slider, and the inner wall of the threaded sleeve is threadedly connected to the surface of the bidirectional threaded rod.

[0010] Preferably, the movable hole opening assembly consists of a linear motor, an electric push rod, a drive motor and a drill clamp, the linear motor is fixedly connected to the inner wall of the bracket, the electric push rod is fixedly connected to the output end of the linear motor, the drive motor is fixedly connected to the output end of the electric push rod, and the drill clamp is fixedly connected to the output end of the drive motor.

[0011] Preferably, the limiting ring is circular in shape and is made of metal material.

[0012] Preferably, there are multiple limit sliding blocks, and the multiple limit sliding blocks are all located inside the limit sliding groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the valve disc opening mechanism of the eccentric valve places the valve disc on the fixed disk, starts the driving mechanism to drive the clamping assembly to move and contact the valve disc to perform clamping and fixing work, starts the rotating mechanism to drive the valve disc to rotate through the connecting frame, the fixed disk, the limit ring and the clamping assembly to adjust the drilling position, clamps the drill bit by the mobile hole opening assembly, starts the mobile hole opening assembly to drive the drill bit to move to the target position, and starts the drill bit to rotate and move downward, so that the valve disc can be opened; the goal of facilitating automatic adjustment of the opening position of the valve disc is achieved, avoiding the problem of greatly reduced valve disc opening production efficiency due to manual adjustment of the fixed opening position of the valve disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is an enlarged view of the structure A of the utility model;

[0016] Figure 3 This is a front cross-sectional view of the structure of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model;

[0018] Figure 5 This is an enlarged view of the structure C of the utility model.

[0019] In the figure: 1. fixed platform; 2. support column; 3. bracket; 4. fixed plate; 5. limit ring; 6. limit slide groove; 7. connecting frame; 8. transmission column; 9. fixed ring; 10. first servo motor; 11. worm; 12. worm wheel; 13. limit slider; 14. clamp; 15. second servo motor; 16. bidirectional threaded rod; 17. threaded sleeve; 18. linear motor; 19. electric push rod; 20. drive motor; 21. drill fixture. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-5 , a valve disc opening mechanism for an eccentric valve comprises a fixed platform 1, a support column 2 is fixedly connected to the bottom surface of the fixed platform 1, a bracket 3 is fixedly connected to the top surface of the fixed platform 1, a fixed disk 4 is rotatably connected to the inner wall of the fixed platform 1, a limiting ring 5 is fixedly connected to the surface of the fixed disk 4, and the limiting ring 5 is rotatably connected to the inner wall of the fixed platform 1, the limiting ring 5 is circular in shape, and the limiting ring 5 is made of metal material. The limiting ring 5 made of metal material has higher strength, is not easily deformed and damaged after being subjected to force, and is more durable. A limiting slot 6 is provided through the top surface of the fixed disk 4, a connecting frame 7 is fixedly connected to the bottom surface of the fixed disk 4, a transmission column 8 is fixedly connected to the inner wall of the connecting frame 7, a rotating mechanism is arranged on the bottom surface of the fixed platform 1, and the rotating mechanism is composed of a fixing ring 9, a first servo motor 10, a worm 11 and a worm wheel 12, the fixing ring 9 is fixedly connected to the bottom surface of the fixed platform 1, the first servo motor 10 is fixedly connected to the inner wall of the fixing ring 9, the worm 11 is connected to The output end of the first servo motor 10 is fixedly connected, the worm gear 12 is fixedly connected to the surface of the transmission column 8, and the worm gear 12 is meshed with the worm 11, which is used to drive the fixed plate 4 to rotate along the inner wall of the fixed platform 1, and at the same time drive the valve disc to rotate, so as to automatically adjust the opening position of the valve disc, a clamping assembly is arranged inside the limiting slide groove 6, a driving mechanism is arranged on the bottom surface of the fixed plate 4, and a mobile opening assembly is arranged inside the bracket 3. The mobile opening assembly consists of a linear motor 18, an electric push rod 19, a drive motor 20 and a drill fixture 21, the linear motor 18 is fixedly connected to the inner wall of the bracket 3, the electric push rod 19 is fixedly connected to the output end of the linear motor 18, the drive motor 20 is fixedly connected to the output end of the electric push rod 19, and the drill fixture 21 is fixedly connected to the output end of the drive motor 20. After the drill bit is clamped by the drill fixture 21, the drill bit is driven to move longitudinally to the target opening position, so as to cooperate with the rotation of the valve disc to increase the drilling adjustment range.

[0022] Specifically, the clamping assembly consists of a limit slider 13 and a clamping plate 14. The limit slider 13 is slidably connected to the inner wall of the limit slide groove 6. There are multiple limit sliders 13, and the multiple limit sliders 13 are all located inside the limit slide groove 6. They are used to connect multiple threaded sleeves 17, which are convenient for driving the multiple clamping plates 14 to move relative to each other, stably clamp the valve flap, and facilitate clamping valve flaps of different sizes. The clamping plate 14 is fixedly connected to the top surface of the limit slider 13, and the clamping plate 14 is slidably connected to the top surface of the fixed plate 4. The valve flap can be clamped and fixed through the contact between the clamping plate 14 and the valve flap, which improves the stability of the valve flap when opening a hole and avoids the problem of the valve flap being offset when opening a hole.

[0023] Specifically, the driving mechanism consists of a second servo motor 15, a bidirectional threaded rod 16 and a threaded sleeve 17. The second servo motor 15 is fixedly connected to the bottom surface of the fixed disk 4, the bidirectional threaded rod 16 is fixedly connected to the output end of the second servo motor 15, the threaded sleeve 17 is fixedly connected to the bottom surface of the limit slider 13, and the inner wall of the threaded sleeve 17 is threadedly connected to the surface of the bidirectional threaded rod 16, which is used to drive the clamping assembly to move, facilitate the provision of kinetic energy to the clamping assembly, and improve the clamping stability.

[0024] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0025] When in use: first, place the valve disc above the fixed plate 4, start the second servo motor 15 to drive the bidirectional threaded rod 16 to rotate, and through the threaded connection between the bidirectional threaded rod 16 and the threaded sleeve 17, drive the limit slider 13 and the clamping plate 14 to slide along the top surface of the fixed plate 4 to contact the valve disc for clamping and fixing. At the same time, start the first servo motor 10 to drive the worm 11 to rotate, and through the meshing of the worm 11 and the worm wheel 12, drive the transmission column 8 and the connecting frame 7 to rotate, and through the rotation of the connecting frame 7, drive the fixed plate 4 and the limit ring 5 along The inner wall of the fixed platform 1 rotates, and the rotation of the fixed disk 4 can drive the clamp 14 and the valve disc to rotate to adjust the drilling position. The drill bit is placed in the drill clamp 21 for clamping and fixing. The drive motor 20 is started to drive the drill clamp 21 and the drill bit to rotate. The linear motor 18 is started to drive the drill clamp 21 and the drill bit to move longitudinally to the target hole opening position through the electric push rod 19 and the drive motor 20. The electric push rod 19 is started to push the drive motor 20, the drill clamp 21 and the drill bit to move downward and contact the valve disc, and the hole opening work can be carried out.

[0026] To summarize, the valve disc opening mechanism of the eccentric valve places the valve disc on the fixed disk 4, starts the driving mechanism to drive the clamping assembly to move and contact the valve disc to clamp and fix it, starts the rotating mechanism to drive the valve disc to rotate through the connecting frame 7, the fixed disk 4, the limit ring 5 and the clamping assembly to adjust the drilling position, clamps the drill bit by moving the hole opening assembly, starts the moving hole opening assembly to drive the drill bit to move to the target position, and starts the drill bit to rotate and move downward, so that the valve disc can be opened. This achieves the goal of facilitating automatic adjustment of the opening position of the valve disc, avoids the problem of greatly reduced valve disc opening production efficiency due to manual adjustment of the fixed opening position of the valve disc, and is used to solve the problems raised in the above-mentioned background technology.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve flap opening mechanism for an eccentric valve, comprising a fixed platform (1), characterized in that: The bottom surface of the fixed platform (1) is fixedly connected to a support column (2), the top surface of the fixed platform (1) is fixedly connected to a bracket (3), the inner wall of the fixed platform (1) is rotatably connected to a fixed disk (4), the surface of the fixed disk (4) is fixedly connected to a limiting ring (5), and the limiting ring (5) is rotatably connected to the inner wall of the fixed platform (1), the top surface of the fixed disk (4) is provided with a limiting slide groove (6), the bottom surface of the fixed disk (4) is fixedly connected to a connecting frame (7), the inner wall of the connecting frame (7) is fixedly connected to a transmission column (8), the bottom surface of the fixed platform (1) is provided with a rotating mechanism, the limiting slide groove (6) is provided with a clamping assembly, the bottom surface of the fixed disk (4) is provided with a driving mechanism, and the bracket (3) is provided with a movable opening assembly.

2. The valve flap opening mechanism of an eccentric valve according to claim 1, characterized in that: The rotating mechanism is composed of a fixed ring (9), a first servo motor (10), a worm (11) and a worm wheel (12); the fixed ring (9) is fixedly connected to the bottom surface of the fixed platform (1); the first servo motor (10) is fixedly connected to the inner wall of the fixed ring (9); the worm (11) is fixedly connected to the output end of the first servo motor (10); the worm wheel (12) is fixedly connected to the surface of the transmission column (8); and the worm wheel (12) is meshed with the worm (11).

3. The valve flap opening mechanism of an eccentric valve according to claim 1, characterized in that: The clamping assembly is composed of a limiting slider (13) and a clamping plate (14); the limiting slider (13) is slidably connected to the inner wall of the limiting slide groove (6); the clamping plate (14) is fixedly connected to the top surface of the limiting slider (13); and the clamping plate (14) is slidably connected to the top surface of the fixed plate (4).

4. The valve flap opening mechanism of an eccentric valve according to claim 1, characterized in that: The driving mechanism is composed of a second servo motor (15), a bidirectional threaded rod (16) and a threaded sleeve (17); the second servo motor (15) is fixedly connected to the bottom surface of the fixed disk (4); the bidirectional threaded rod (16) is fixedly connected to the output end of the second servo motor (15); the threaded sleeve (17) is fixedly connected to the bottom surface of the limit slider (13); and the inner wall of the threaded sleeve (17) is threadedly connected to the surface of the bidirectional threaded rod (16).

5. The valve flap opening mechanism of an eccentric valve according to claim 1, characterized in that: The movable hole-opening assembly is composed of a linear motor (18), an electric push rod (19), a drive motor (20) and a drill fixture (21); the linear motor (18) is fixedly connected to the inner wall of the bracket (3); the electric push rod (19) is fixedly connected to the output end of the linear motor (18); the drive motor (20) is fixedly connected to the output end of the electric push rod (19); and the drill fixture (21) is fixedly connected to the output end of the drive motor (20).

6. The valve flap opening mechanism of an eccentric valve according to claim 1, characterized in that: The limiting ring (5) is circular in shape and is made of metal material.

7. The valve flap opening mechanism of an eccentric valve according to claim 3, characterized in that: There are multiple limit slide blocks (13), and the multiple limit slide blocks (13) are all located inside the limit slide groove (6).

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