A machining device for a ball valve stem

Abstract

The application belongs to the technical field of ball valve stems, and discloses a machining device for a ball valve stem, which comprises a lifting plate, a first supporting plate is fixedly installed at the left side of the top of the lifting plate, a movable shaft sleeve is movably sleeved in the top end of the first supporting plate, an installation plate is fixedly connected to the right side of the movable shaft sleeve, and first clamping blocks are movably connected to the top and the bottom of the right side of the installation plate. The first clamping block, the second clamping block, the fixed frame and the vertical rod are arranged, the operator places the valve stem that needs to be clamped and fixed between the first clamping block and the second clamping block, then starts the driving motor, the circular shaft drives the first disc to rotate, the vertical rod extrudes and pushes the inner surface of the fixed frame, thereby driving the fixed frame to move leftwards, the fixed frame drives the second clamping block to move leftwards through the connecting plate, so that the first clamping block and the second clamping block can clamp and fix valve stems with different diameters, and the application range of the device is improved.

Description

Technical Field

[0001] This invention belongs to the field of ball valve stem technology, specifically a ball valve stem processing device. Background Technology

[0002] A ball valve is a type of valve in which the opening and closing element (ball) is driven by the valve stem and rotates around the axis of the ball valve. It has significant advantages such as low fluid resistance, simple and compact structure, good sealing performance, and convenient and quick operation. Its ball passage is consistent with the inner diameter of the pipeline, so the fluid passes through almost unimpeded and the pressure loss is small. It consists of only a few parts such as valve body, valve cover, ball, valve stem and seals, which not only requires little installation space, but also facilitates maintenance and repair.

[0003] The valve stem is one of the key components of a ball valve. It plays a crucial role in connecting the operating device to the ball, transmitting operating torque, and driving the ball to rotate to achieve valve opening and closing or flow regulation. During the production and processing of the ball valve stem, a clamping and fixing device is required to fix it in place to prevent movement and deviations during processing. While existing clamping and fixing devices can achieve basic stem fixation to a certain extent, the expanding and diversifying applications of ball valves, along with the increasing variety of ball valve models and their varying stem dimensions, make it difficult for existing devices to meet these diverse needs due to their relatively simple design and limited adjustment range. When dealing with different stem specifications, frequent fixture changes or complex adjustments are often required, increasing production and time costs. Furthermore, improper adjustments may result in poor fixing and affect the processing quality of the valve stem. Therefore, improvements are needed. Summary of the Invention

[0004] The purpose of this invention is to provide a processing apparatus for ball valve stems to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a processing device for a ball valve stem, comprising a lifting plate, a first support plate fixedly installed on the left side of the top of the lifting plate, a movable bushing movably sleeved inside the top of the first support plate, an mounting plate fixedly connected to the right side of the movable bushing, first clamping blocks movably connected to the top and bottom of the right side of the mounting plate, a second support plate fixedly installed on the right side of the top of the lifting plate, a movable frame movably installed on the top of the left side of the second support plate, a fixed plate fixedly installed on the left side inside the movable frame, and connecting blocks movably sleeved inside the front and rear ends of the fixed plate. A connecting plate is formed by fixing a second clamping block located on the left side of the fixed plate between the connecting plates. Anti-slip pads are fixedly installed on the inner sides of both the second and first clamping blocks. A fixed frame located inside the movable frame is fixedly installed on the right side between the connecting plates. A drive motor is fixedly installed on the top of the movable frame. A round shaft is fixedly connected to the other end of the output shaft of the drive motor. The bottom end of the round shaft extends into the interior of the movable frame and is movably sleeved with the inner wall of the movable frame. A first disc is fixedly sleeved on the outer surface of the round shaft. A vertical rod is fixedly sleeved inside the right end of the first disc. The outer surface of the vertical rod is movably connected to the inner surface of the fixed frame.

[0006] In a preferred embodiment of the present invention, a second disc located inside the movable frame is fixedly sleeved at the bottom of the vertical rod, and a fixed shaft is movably sleeved inside the second disc. The bottom of the fixed shaft extends into the interior of the movable frame and is fixedly sleeved with the inner wall of the movable frame. The outer surface of the second disc is movably connected to the bottom of the fixed frame.

[0007] As a preferred embodiment of the present invention, a power motor is fixedly installed on the top right side of the second support plate, and a rotating shaft is fixedly connected to the other end of the output shaft of the power motor. The left end of the rotating shaft is fixedly connected to the outer surface of the movable frame, and the outer surface of the rotating shaft is movably sleeved with the inner wall of the second support plate.

[0008] As a preferred embodiment of the present invention, a slider is fixedly installed on the left side of the first clamping block, and the outer surface of the slider is movably sleeved with the inner wall of the mounting plate.

[0009] As a preferred embodiment of the present invention, there are two sliders, and a toothed plate is fixedly installed on the left side of each slider, with the outer surface of the toothed plate being movably connected to the inner surface of the mounting plate.

[0010] As a preferred embodiment of the present invention, a fixed motor is fixedly installed on the left side of the mounting plate, and a rotating shaft is fixedly connected to the other end of the output shaft of the fixed motor. The outer surface of the rotating shaft is movably sleeved with the inner wall of the mounting plate, and a gear located inside the mounting plate is fixedly sleeved on the outer surface of the rotating shaft. The outer surface of the gear meshes with the outer surface of the toothed plate.

[0011] As a preferred embodiment of the present invention, limit blocks are fixedly installed on both the left and right sides of the lifting plate. There are two limit blocks, and the two limit blocks are the same size. A limit plate is movably sleeved on the outer surface of the limit block.

[0012] As a preferred embodiment of the present invention, a base plate is fixedly installed at the bottom of the limiting plate, an adjusting motor is fixedly installed at the bottom right side of the limiting plate, and a double threaded rod is fixedly connected to the other end of the output shaft of the adjusting motor. The left end of the double threaded rod passes through the limiting plate and is movably sleeved with the inner wall of the limiting plate.

[0013] As a preferred embodiment of the present invention, movable blocks are threadedly fitted on both the left and right sides of the outer surface of the double-threaded rod, and the bottom of the movable blocks is movably connected to the top of the base plate.

[0014] As a preferred embodiment of the present invention, the top of the movable block is internally hinged with a hinge rod, and there are two hinge rods, the tops of which are hinged to the bottom of the lifting plate.

[0015] The beneficial effects of this invention are as follows: 1. This invention, by setting up a first clamping block, a second clamping block, a fixed frame, and a vertical rod, allows the operator to place the valve stem to be clamped and fixed between the first and second clamping blocks. Then, by starting the drive motor, the circular shaft drives the first disc to rotate, causing the vertical rod to press and push the inner surface of the fixed frame, thereby driving the fixed frame to move to the left. The fixed frame then drives the second clamping block to move to the left through the connecting plate. This allows the device to cooperate with the first clamping block to clamp and fix valve stems of different diameters, thus improving the applicability of the device.

[0016] 2. This invention, by setting up a slider, toothed plates, a fixed motor, and gears, allows for clamping and fixing valve stems of different lengths when necessary. By starting the fixed motor, the rotating shaft drives the gears to rotate, which in turn drives the two toothed plates to move in opposite directions. This causes the toothed plates to move in opposite directions via the slider, adjusting the distance between the two first clamping blocks. This adapts to valve stems of different lengths, making it more convenient for operators.

[0017] 3. This invention, by setting up a lifting plate, a limiting block, a limiting plate, and a hinge rod, allows for height adjustment of the valve stem after it is fixed. This is achieved by activating an adjusting motor, causing the double-threaded rod to drive two moving blocks to move in opposite directions. The hinge rod then pushes the lifting plate upwards under the limiting action of the limiting block, allowing the first and second support plates to rise. This, in turn, drives the valve stem upwards, thus adjusting its height. This facilitates docking of the valve stem with different types of processing equipment, enabling subsequent processing. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the structure of the present invention; Figure 2 This is a cross-sectional view of the front of the present invention; Figure 3 This is a schematic diagram of the structure of the active frame of the present invention; Figure 4 This is a cross-sectional view of the active frame of the present invention; Figure 5 This is a cross-sectional view of the top of the active frame of the present invention; Figure 6 This is a schematic diagram of the mounting plate of the present invention; Figure 7 This is a cross-sectional view of the mounting plate of the present invention; Figure 8 This is a schematic diagram of the side structure of the mounting plate of the present invention.

[0019] In the diagram: 1. Lifting plate; 2. First support plate; 3. Movable bushing; 4. Mounting plate; 5. First clamping block; 6. Second support plate; 7. Movable frame; 8. Fixed plate; 9. Connecting plate; 10. Second clamping block; 11. Anti-slip pad; 12. Fixed frame; 13. Drive motor; 14. Round shaft; 15. First disc; 16. Vertical rod; 17. Second disc; 18. Fixed shaft; 19. Power motor; 20. Rotating shaft; 21. Slider; 22. Toothed plate; 23. Fixed motor; 24. Rotating shaft; 25. Gear; 26. Limiting block; 27. Limiting plate; 28. Base plate; 29. ​​Adjusting motor; 30. Double threaded rod; 31. Moving block; 32. Hinge rod. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1 to 8As shown, this embodiment of the invention provides a processing device for a ball valve stem, including a lifting plate 1. A first support plate 2 is fixedly installed on the left side of the top of the lifting plate 1. A movable bushing 3 is movably sleeved inside the top of the first support plate 2. A mounting plate 4 is fixedly connected to the right side of the movable bushing 3. First clamping blocks 5 are movably connected to the top and bottom of the right side of the mounting plate 4. A second support plate 6 is fixedly installed on the right side of the top of the lifting plate 1. A movable frame 7 is movably installed on the top left side of the second support plate 6. A fixed plate 8 is fixedly installed on the left side inside the movable frame 7. Connecting plates 9 are movably sleeved inside the front and rear ends of the fixed plate 8. The connecting plates 9 are fixedly installed between each other. The second clamping block 10 is located on the left side of the fixed plate 8. Anti-slip pads 11 are fixedly installed on the inner sides of the second clamping block 10 and the first clamping block 5. The fixed frame 12 located inside the movable frame 7 is fixedly installed on the right side between the connecting plates 9. The top of the movable frame 7 is fixedly installed with a drive motor 13. The other end of the output shaft of the drive motor 13 is fixedly connected with a round shaft 14. The bottom end of the round shaft 14 extends into the interior of the movable frame 7 and is movably sleeved with the inner wall of the movable frame 7. The outer surface of the round shaft 14 is fixedly sleeved with a first disc 15. The right end of the first disc 15 is fixedly sleeved with a vertical rod 16. The outer surface of the vertical rod 16 is movably connected with the inner surface of the fixed frame 12.

[0022] There are two first clamping blocks 5, and the two first clamping blocks 5 are the same size as the second clamping block 10. When the drive motor 13 starts, the round shaft 14 will drive the first disc 15 to rotate, so that the vertical rod 16 can rotate around the round shaft 14 as the axis, thereby squeezing and pushing the inner surface of the fixed frame 12, thereby driving the fixed frame 12 to move to the left. The fixed frame 12 drives the second clamping block 10 to move to the left through the two connecting plates 9, so that the second clamping block 10 cooperates with the first clamping block 5 to clamp and fix valve stems of different diameters. Furthermore, due to the design of the anti-slip pad 11, the anti-slip pad 11 can play an anti-slip role and at the same time avoid damage to the surface of the valve stem when clamping and fixing it.

[0023] The bottom of the vertical rod 16 is fixedly sleeved with a second disc 17 located inside the movable frame 7. The inside of the second disc 17 is movably sleeved with a fixed shaft 18. The bottom of the fixed shaft 18 extends into the inside of the movable frame 7 and is fixedly sleeved with the inner wall of the movable frame 7. The outer surface of the second disc 17 is movably connected to the bottom of the fixed frame 12.

[0024] When the vertical rod 16 rotates around the circular shaft 14, it will cause the second disc 17 to rotate, thus making it more stable when moving the fixed frame 12 to the left.

[0025] Among them, a power motor 19 is fixedly installed on the top right side of the second support plate 6, and a rotating shaft 20 is fixedly connected to the other end of the output shaft of the power motor 19. The left end of the rotating shaft 20 is fixedly connected to the outer surface of the movable frame 7, and the outer surface of the rotating shaft 20 is movably sleeved with the inner wall of the second support plate 6.

[0026] When the power motor 19 starts, the rotating shaft 20 will drive the movable frame 7 to rotate, thereby causing the second clamping block 10 to rotate. After the second clamping block 10 and the first clamping block 5 clamp and fix the valve stem, the rotation of the second clamping block 10 will drive the valve stem to rotate, thus making it easier for the operator to perform more comprehensive processing on the valve stem.

[0027] The first clamping block 5 has a slider 21 fixedly installed on its left side, and the outer surface of the slider 21 is movably connected to the inner wall of the mounting plate 4.

[0028] By setting the slider 21, the slider 21 can limit the first clamping block 5, allowing the first clamping block 5 to move up and down, and preventing the first clamping block 5 from rotating.

[0029] There are two sliders 21, and toothed plates 22 are fixedly installed on the left side of each slider 21. The outer surface of the toothed plates 22 is movably connected to the inner surface of the mounting plate 4.

[0030] When the two toothed plates 22 move toward each other, the slider 21 will drive the two first clamping blocks 5 to move toward each other, thereby clamping and fixing valve stems of different lengths, and adjusting the clamped and fixed position of the valve stem to avoid affecting the operator's processing.

[0031] A fixed motor 23 is fixedly installed on the left side of the mounting plate 4. A rotating shaft 24 is fixedly connected to the other end of the output shaft of the fixed motor 23. The outer surface of the rotating shaft 24 is movably sleeved with the inner wall of the mounting plate 4. A gear 25 located inside the mounting plate 4 is fixedly sleeved on the outer surface of the rotating shaft 24. The outer surface of the gear 25 meshes with the outer surface of the toothed plate 22.

[0032] The operator starts the fixed motor 23, which causes the rotating shaft 24 to drive the gear 25 to rotate. When the gear 25 rotates, it meshes with the outer surface of the toothed plate 22, which will drive the two toothed plates 22 to move in opposite directions, thereby adjusting the position of the first clamping block 5 through the slider 21.

[0033] Among them, limit blocks 26 are fixedly installed on both the left and right sides of the lifting plate 1. There are two limit blocks 26, and the two limit blocks 26 are the same size. The outer surface of the limit block 26 is movably sleeved with a limit plate 27.

[0034] By setting the limit block 26 and the limit plate 27, the limit block 26 and the limit plate 27 cooperate with each other to limit the lifting plate 1, so that the lifting plate 1 can rise and fall stably, thereby adjusting the height of the valve stem.

[0035] The bottom of the limiting plate 27 is fixedly installed with a base plate 28, and the bottom right side of the limiting plate 27 is fixedly installed with an adjusting motor 29. The other end of the output shaft of the adjusting motor 29 is fixedly connected with a double threaded rod 30. The left end of the double threaded rod 30 passes through the limiting plate 27 and is movably sleeved with the inner wall of the limiting plate 27.

[0036] The operator can start the adjustment motor 29 to make the double threaded rod 30 rotate. The threads on the left and right sides of the outer surface of the double threaded rod 30 are opposite in direction.

[0037] The double threaded rod 30 has a moving block 31 threadedly connected to both the left and right sides of its outer surface, and the bottom of the moving block 31 is movably connected to the top of the base plate 28.

[0038] Since the threads on the left and right sides of the outer surface of the double threaded rod 30 are opposite, when the double threaded rod 30 rotates, it can drive the two moving blocks 31 to move towards or away from each other.

[0039] The top of the movable block 31 is internally hinged with a hinge rod 32. There are two hinge rods 32, and the tops of both hinge rods 32 are hinged to the bottom of the lifting plate 1.

[0040] When the two moving blocks 31 move toward each other, they will drive the hinge rod 32 to move, causing the hinge rod 32 to push the lifting plate 1 upward under the limiting action of the limiting plate 27 and the limiting block 26.

[0041] Working principle and usage process: The operator places the valve stem that needs to be clamped and fixed between the first clamping block 5 and the second clamping block 10. Then, by starting the drive motor 13, the circular shaft 14 drives the first disc 15 to rotate, thereby causing the vertical rod 16 to rotate around the circular shaft 14 as the axis. This, in turn, squeezes and pushes the inner surface of the fixing frame 12, causing the fixing frame 12 to move to the left. The fixing frame 12, through the connecting plate 9, will drive the second clamping block 10 to move to the left, so that the second clamping block 10 cooperates with the first clamping block 5, which can clamp and fix valve stems of different diameters.

[0042] When valve stems of different lengths need to be clamped and fixed, the fixing motor 23 is started, which causes the rotating shaft 24 to drive the gear 25 to rotate. This causes the gear 25 to drive the two toothed plates 22 to move towards each other, which in turn drives the two first clamping blocks 5 to move towards each other through the slider 21. This causes the distance between the first clamping blocks 5 to change, thereby enabling the clamping and fixing of valve stems with shorter lengths.

[0043] Once the valve stem is clamped and fixed, the operator can start the power motor 19, causing the rotating shaft 20 to drive the movable frame 7 to rotate, thereby causing the second clamping block 10 to rotate. The rotation of the second clamping block 10 will cause the valve stem to rotate forward or backward within a range of 180 degrees, thereby adjusting the tilt angle of the valve stem and facilitating more comprehensive processing of the valve stem by the operator. When it is necessary to adjust the height of the valve stem, the adjusting motor 29 is started, causing the double threaded rod 30 to rotate, thereby causing the two moving blocks 31 to move towards each other. At this time, as the moving blocks 31 move, they will push the lifting plate 1 upward under the limiting action of the limiting block 26 through the hinge rod 32, thereby causing the first support plate 2 and the second support plate 6 to rise, thereby adjusting the height of the valve stem and facilitating processing by the operator.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A processing device for a ball valve stem, comprising a lifting plate (1), characterized in that: A first support plate (2) is fixedly installed on the left side of the top of the lifting plate (1). A movable bushing (3) is movably sleeved inside the top of the first support plate (2). An installation plate (4) is fixedly connected to the right side of the movable bushing (3). A first clamping block (5) is movably connected to the top and bottom of the right side of the installation plate (4). A second support plate (6) is fixedly installed on the right side of the top of the lifting plate (1). A movable frame (7) is movably installed on the top left side of the second support plate (6). A fixed plate (8) is fixedly installed on the left side inside the movable frame (7). A connecting plate (9) is movably sleeved inside the front and rear ends of the fixed plate (8). A second clamping block (10) located on the left side of the fixed plate (8) is fixedly installed between the connecting plates (9). Anti-slip pads (11) are fixedly installed on the inner sides of the second clamping block (10) and the first clamping block (5). A fixed frame (12) located inside the movable frame (7) is fixedly installed on the right side between the connecting plates (9). A drive motor (13) is fixedly installed on the top of the movable frame (7). A round shaft (14) is fixedly connected to the other end of the output shaft of the drive motor (13). The bottom end of the round shaft (14) extends into the interior of the movable frame (7) and is movably sleeved with the inner wall of the movable frame (7). A first disc (15) is fixedly sleeved on the outer surface of the round shaft (14). A vertical rod (16) is fixedly sleeved inside the right end of the first disc (15). The outer surface of the vertical rod (16) is movably connected with the inner surface of the fixed frame (12). The bottom of the vertical rod (16) is fixedly sleeved with a second disc (17) located inside the movable frame (7). The inside of the second disc (17) is movably sleeved with a fixed shaft (18). The bottom of the fixed shaft (18) extends into the inside of the movable frame (7) and is fixedly sleeved with the inner wall of the movable frame (7). The outer surface of the second disc (17) is movably connected to the bottom of the fixed frame (12). A slider (21) is fixedly installed on the left side of the first clamping block (5), and the outer surface of the slider (21) is movably connected to the inner wall of the mounting plate (4); Limiting blocks (26) are fixedly installed on both the left and right sides of the lifting plate (1). There are two limiting blocks (26), and the two limiting blocks (26) are the same size. The outer surface of the limiting block (26) is movably sleeved with a limiting plate (27). A base plate (28) is fixedly installed at the bottom of the limiting plate (27), and an adjusting motor (29) is fixedly installed at the bottom right side of the limiting plate (27). A double threaded rod (30) is fixedly connected to the other end of the output shaft of the adjusting motor (29). The left end of the double threaded rod (30) passes through the limiting plate (27) and is movably sleeved with the inner wall of the limiting plate (27).

2. The ball valve stem processing device according to claim 1, characterized in that: A power motor (19) is fixedly installed on the top right side of the second support plate (6). The other end of the output shaft of the power motor (19) is fixedly connected to a rotating shaft (20). The left end of the rotating shaft (20) is fixedly connected to the outer surface of the movable frame (7). The outer surface of the rotating shaft (20) is movably sleeved with the inner wall of the second support plate (6).

3. The ball valve stem processing device according to claim 1, characterized in that: There are two sliders (21), and toothed plates (22) are fixedly installed on the left side of each slider (21). The outer surface of the toothed plates (22) is movably connected to the inner surface of the mounting plate (4).

4. The ball valve stem processing device according to claim 1, characterized in that: A fixed motor (23) is fixedly installed on the left side of the mounting plate (4). The other end of the output shaft of the fixed motor (23) is fixedly connected to a rotating shaft (24). The outer surface of the rotating shaft (24) is movably sleeved with the inner wall of the mounting plate (4). A gear (25) located inside the mounting plate (4) is fixedly sleeved on the outer surface of the rotating shaft (24). The outer surface of the gear (25) meshes with the outer surface of the toothed plate (22).

5. The ball valve stem processing device according to claim 1, characterized in that: The double threaded rod (30) has moving blocks (31) threadedly connected to both sides of its outer surface. The bottom of the moving blocks (31) is movably connected to the top of the base plate (28).

6. The ball valve stem processing device according to claim 5, characterized in that: The top of the movable block (31) is internally hinged with a hinge rod (32), and there are two hinge rods (32). The top of both hinge rods (32) is hinged to the bottom of the lifting plate (1).

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