Combined machining clamp for valve body
By designing a composite machining fixture for valve bodies and utilizing a horizontal flipping and rotary drive mechanism, the problem of low machining efficiency in traditional gas valve bodies has been solved, achieving efficient and precise valve body grinding.
Patent Information
- Application Number
- CN202423052142.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-11
Smart Images
Figure CN223477347U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas valve body fixture technology, specifically a valve body composite machining fixture. Background Art
[0002] With the rapid development of science and technology, enterprises are increasingly pursuing improved production efficiency, and gas valve bodies (such as...) Figure 1 (As shown) Traditional processing methods use multiple machine tools and special fixtures to complete the machining of holes and planes in the horizontal and vertical directions. However, the processing cycle is long and the production efficiency is low, which is far from meeting the market's demand for quantity. Therefore, adopting efficient automated machine tools has become the preferred goal for enterprises. However, since the part is a precision casting, how to ensure that the clamping of the part meets the accuracy requirements of the machining process and that the clamping position remains unchanged has become a challenge in fixture design. Summary of the Invention
[0003] In view of the shortcomings of the prior art, this utility model provides a valve body composite machining fixture to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a valve body composite machining fixture, including a worktable, a horizontal flipping device on the worktable, the horizontal flipping device having a horizontally set flipping axis, a horizontal drive mechanism on one side of the horizontal flipping device driving it to move along the flipping axis, the horizontal flipping device having two coaxial clamping ends, a flipping platform between the two clamping ends, the flipping platform having a rotary drive mechanism driving it to rotate along the flipping axis, and a first clamping fixture and a second clamping fixture for clamping and fixing the gas valve body arranged side by side on the flipping platform along the flipping axis.
[0005] Preferably, the first clamping fixture includes a fixed plate disposed on a flipping platform, a first cylinder disposed on the fixed plate, a first movable clamping block fixedly connected to the output end of the first cylinder, a first fixed clamping block disposed on the flipping platform at a position opposite to the first movable clamping block, and the first movable clamping block and the first fixed clamping block together form a first groove that matches the outer wall of the gas valve body.
[0006] Preferably, a fixing rod is provided on the first fixed clamping block, and the fixing rod passes through the first movable clamping block and is fixedly connected to the first cylinder.
[0007] Preferably, the second clamping fixture includes a second fixed clamping block disposed on the flipping platform, a second cylinder disposed on the back side of the flipping platform, the output end of the second cylinder passing through the second fixed clamping block and fixedly connected to a second movable clamping block, the second movable clamping block being disposed directly above the second fixed clamping block, and the second movable clamping block and the second fixed clamping block together forming a second groove that matches the outer wall of the gas valve body.
[0008] Preferably, the rotary drive mechanism includes a rotary block coaxially connected to the clamping end, a fixed block is provided on the outer side of the rotary block, a third cylinder is provided on the fixed block, and the output end of the third cylinder is fixedly connected to the rotation axis of the rotary block.
[0009] Preferably, the horizontal drive mechanism includes a fixed base on the worktable, a servo motor on the fixed base, a sliding plate fixedly connected to the output end of the servo motor, and a horizontal flipping device fixedly mounted on the sliding plate by bolts.
[0010] Preferably, a sliding groove is provided on the worktable, and a sliding block matching the sliding groove is provided at the bottom of the sliding plate.
[0011] Preferably, rubber gaskets are provided on the inner walls of both the first and second grooves.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model proposes a valve body composite processing fixture, which clamps and fixes the gas valve body at different angles through a first clamping fixture and a second clamping fixture, and flips and moves the gas valve body through a horizontal flipping mechanism and a rotary drive mechanism, enabling the main cavity and the secondary cavity of the gas valve body to be processed and polished, realizing efficient and precise polishing of the gas valve body, and meeting the needs of modern industrial production for high-quality and high-efficiency processing.
[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the gas valve body.
[0015] Figure 2 Schematic diagram of the three-dimensional structure of the valve body composite machining fixture Figure 1 .
[0016] Figure 3 Schematic diagram of the three-dimensional structure of the valve body composite machining fixture Figure 2 .
[0017] Figure 4 This is a cross-sectional view of the valve body composite machining fixture.
[0018] Figure 5 This is a three-dimensional structural diagram of the first clamping fixture for the valve body composite machining fixture.
[0019] Figure 6 This is a three-dimensional structural diagram of the second clamping fixture for the valve body composite machining fixture.
[0020] In the diagram: 1. Workbench; 2. Horizontal tilting device; 3. Tilting platform; 4. Rotary drive mechanism; 41. Rotating block; 42. Fixed block; 43. Third cylinder; 5. First clamping fixture; 51. Fixed plate; 52. First cylinder; 53. First movable clamping block; 54. First fixed clamping block; 55. First groove; 56. Fixed rod; 6. Second clamping fixture; 61. Second fixed clamping block; 62. Second cylinder; 63. Second movable clamping block; 64. Second groove; 7. Horizontal drive mechanism; 71. Fixed base; 72. Servo motor; 73. Sliding plate; 731. Sliding block; 8. Clamping end; 9. Sliding groove. DETAILED DESCRIPTION
[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model. All other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.
[0022] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the valve body composite machining fixture includes a worktable 1, on which a horizontal tilting device 2 is mounted. The horizontal tilting device 2 has a horizontally set tilting axis. A horizontal drive mechanism 7 is provided on one side of the horizontal tilting device 2 to drive its movement along the tilting axis. The horizontal tilting device 2 has two coaxial clamping ends 8, and a tilting platform 3 is positioned between the two clamping ends 8. The tilting platform 3 has a rotary drive mechanism 4 to drive its rotation along the tilting axis. A first clamping fixture 5 and a second clamping fixture 6 are arranged side-by-side along the tilting axis on the tilting platform 3 for clamping and fixing the gas valve body. Specifically, the valve body composite machining fixture efficiently and accurately completes the grinding operation of the gas valve body, ensuring processing quality and ease of operation. The worktable 1, as the basic support platform of the entire fixture, is made of robust and durable materials to ensure stability even under long-term, high-intensity working conditions. The horizontal tilting device 2, mounted on the worktable 1, has a set horizontal tilting axis, allowing the gas valve body to be tilted 180° or more precisely in the horizontal plane. This design facilitates uniform grinding of different parts of the valve body, improving processing efficiency. The horizontal tilting device 2 has a compact structure and runs smoothly, reducing vibration and errors caused by the tilting action. The horizontal drive mechanism 7 is located on one side of the horizontal tilting device 2, providing the device with the moving power along the tilting axis. The horizontal drive mechanism 7 can control the position of the tilting device, achieving fast and accurate positioning, facilitating the operator to adjust the gas valve body at different angles. The horizontal tilting device 2 is equipped with two coaxial clamping ends 8, connected by a mechanical structure to ensure the synchronization and stability of the two clamping ends 8 during the tilting process. It can provide reliable clamping force, preventing detachment due to vibration or external force during grinding. The tilting platform 3 is installed between the two clamping ends 8. The tilting platform 3 has a rotary drive mechanism 4, which can drive the tilting platform 3 to rotate continuously or intermittently along the tilting axis, meeting the needs of multi-angle grinding of the gas valve body. The rotation angle and speed of the tilting platform 3 can be precisely adjusted by the control system to achieve fine processing. The first clamping fixture 5 and the second clamping fixture 6 are respectively mounted on the tilting platform 3, arranged side by side along the tilting axis. They are custom-made according to the specific shape and size of the gas valve body, and the clamping surfaces are wrapped with soft material to reduce damage to the valve body surface. The design of clamping fixtures 5 and 6 takes into account the function of quick clamping and release, allowing operators to easily change gas valve bodies of different specifications or types in a short time, thus improving work efficiency. This gas valve body grinding fixture, by integrating horizontal tilting, rotary drive, and precision clamping functions, achieves efficient and precise grinding of gas valve bodies, meeting the needs of modern industrial production for high-quality and high-efficiency processing.
[0023] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the first clamping fixture 5 includes a fixed plate 51 disposed on the flipping platform 3, a first cylinder 52 disposed on the fixed plate 51, a first movable clamping block 53 fixedly connected to the output end of the first cylinder 52, and a first fixed clamping block 54 disposed on the flipping platform 3 at a position opposite to the first movable clamping block 53. The first movable clamping block 53 and the first fixed clamping block 54 together form a first groove 55 that matches the outer wall of the gas valve body. Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a fixing rod 56 is provided on the first fixed clamping block 54, and the fixing rod 56 passes through the first movable clamping block 53 and is fixedly connected to the first cylinder 52. Specifically, the first clamping fixture 5 provides stable and reliable clamping for the gas valve body, and is used to clamp and fix the main cavity of the gas valve body in a vertical state and coplanar with the horizontal flipping axis to ensure the smooth operation of grinding the main cavity of the gas valve body. The fixing plate 51 serves as the basic support structure of the first clamping fixture 5. The fixing plate 51 is installed on the flipping platform 3 and can withstand the large pressure and impact generated during the clamping process. The surface of the fixing plate 51 is precision machined to ensure that the contact surface with the flipping platform 3 is flat and tight, preventing shaking or displacement during operation. The first cylinder 52 is installed on the fixing plate 51 and serves as the power source for driving the movement of the first movable clamping block 53. The output end of the first cylinder 52 is fixedly connected to the first movable clamping block 53 to ensure that the first movable clamping block 53 can move smoothly and accurately along a predetermined trajectory during the extension and retraction of the cylinder piston rod. The first movable clamping block 53 is connected to the output end of the first cylinder 52, and the clamping and releasing actions are achieved by the driving force of the first cylinder 52. The shape of the first movable clamping block 53 matches the outer wall of the gas valve body, ensuring that a uniform and stable clamping force can be provided during the clamping process. The first fixed clamping block 54 is set on the flipping platform 3 at a position opposite to the first movable clamping block 53, serving as another key component for clamping the gas valve body. The shape and size of the first fixed clamping block 54 are coordinated with the first movable clamping block 53, together forming a first groove 55 that matches the outer wall of the gas valve body. The first groove 55 ensures that it can fit tightly against the outer wall of the valve body during the clamping process, preventing shaking or displacement during the grinding process. The fixing rod 56, as an important component connecting the first movable clamping block 53 and the first cylinder 52, passes through the first movable clamping block 53 and is connected to the fixed part of the first cylinder 52.
[0024] Combination Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, the second clamping fixture 6 includes a second fixed clamping block 61 mounted on the flipping platform 3. A second cylinder 62 is mounted on the back of the flipping platform 3. The output end of the second cylinder 62 passes through the second fixed clamping block 61 and is fixedly connected to a second movable clamping block 63. The second movable clamping block 63 is positioned directly above the second fixed clamping block 61. The second movable clamping block 63 and the second fixed clamping block 61 together form a second groove 64 that matches the outer wall of the gas valve body. Specifically, the second clamping fixture 6 achieves omnidirectional and stable clamping of the gas valve body, used to clamp and fix the secondary cavity of the gas valve body in a vertical state and coplanar with the horizontal flipping axis, to ensure the smooth operation of grinding the secondary cavity of the gas valve body. The second fixed clamping block 61 serves as the basic support structure of the second clamping fixture 6 and is mounted on the flipping platform 3. The shape and size design of the second fixed clamping block 61 fully considers the characteristics of the gas valve body and the clamping requirements, ensuring stable and reliable support during the clamping process. The second cylinder 62 is mounted on the back of the flipping platform 3. This design not only reduces the overall space occupied by the clamp but also allows the output end of the second cylinder 62 to drive the second movable clamping block 63 to move more directly and effectively. The second cylinder 62 serves as the power source for driving the movement of the second movable clamping block 63. Its output end is fixedly connected to the second movable clamping block 63 and passes through the second fixed clamping block 61 to achieve vertical movement. The second cylinder 62 ensures precise and reliable driving force during clamping. The second movable clamping block 63 is positioned directly above the second fixed clamping block 61 and moves up and down using the driving force of the second cylinder 62. The shape of the second movable clamping block 63 matches the outer wall of the gas valve body, ensuring a uniform and stable clamping force during clamping. The second groove 64, formed by the second movable clamping block 63 and the second fixed clamping block 61, is used to clamp the outer wall of the gas valve body. The design of the second groove 64 fully considers the shape and size variations of the gas valve body, ensuring a tight fit against the outer wall of the valve body during clamping and preventing shaking or displacement during grinding.
[0025] Combination Figure 2 , Figure 3 and Figure 4As shown, the rotary drive mechanism 4 includes a rotary block 41 coaxially connected to the clamping end 8. A fixed block 42 is provided on the outer side of the rotary block 41, and a third cylinder 43 is provided on the fixed block 42. The output end of the third cylinder 43 is fixedly connected to the rotation axis of the rotary block 41. Specifically, the rotary drive mechanism 4 realizes multi-angle processing of the gas valve body during the grinding process. The rotary block 41, as the main body of the rotary drive mechanism 4, is coaxially connected to the clamping end 8 to ensure high synchronization and stability during rotation. The rotary block 41 ensures a smooth and vibration-free operating state during rotation. The fixed block 42 is located on the outer side of the rotary block 41, serving as a support and fixing structure for the third cylinder 43. The third cylinder 43, as the power source of the rotary drive mechanism 4, has its output end fixedly connected to the rotation axis of the rotary block 41, ensuring that the rotary block 41 and its connected clamping end 8 can rotate smoothly and precisely during the extension and retraction of the cylinder piston rod. The connection structure between the output end of the third cylinder 43 and the rotation axis of the rotating block 41 employs precision mechanical connectors, such as bearings and couplings, to ensure high coaxiality and stability during rotation. Furthermore, the connection structure undergoes special treatment to enhance its wear resistance and corrosion resistance, extending its service life.
[0026] Combination Figure 2 , Figure 3 and Figure 4As shown, the horizontal drive mechanism 7 includes a fixed base 71 mounted on the worktable 1. A servo motor 72 is mounted on the fixed base 71, and a sliding plate 73 is fixedly connected to the output end of the servo motor 72. The horizontal tilting device 2 is fixedly mounted on the sliding plate 73 by bolts. Specifically, the horizontal drive mechanism 7 realizes the position adjustment of the gas valve body during the grinding process. The fixed base 71 serves as the basic support structure of the horizontal drive mechanism 7, and is installed at a predetermined position on the worktable 1. It can withstand the large load and impact force generated during horizontal movement. The shape and size design of the fixed base 71 fully considers the installation requirements of the servo motor 72 and the sliding plate 73, ensuring high stability and accuracy during horizontal movement. The servo motor 72 is mounted on the fixed base 71 and serves as the power source of the horizontal drive mechanism 7. The output end of the servo motor 72 is fixedly connected to the sliding plate 73, ensuring that the sliding plate 73 and the horizontal tilting device 2 on it can move smoothly and accurately horizontally during motor operation. The sliding plate 73, as the moving component of the horizontal drive mechanism 7, is connected to the fixed base 71 via a guide rail and slider structure, ensuring high stability and precision during horizontal movement. The shape and size design of the sliding plate 73 fully considers the installation requirements of the horizontal tilting device 2, as well as the stability and precision requirements during horizontal movement. Simultaneously, the surface of the sliding plate 73 undergoes special treatment to improve its wear resistance and corrosion resistance, extending its service life. The horizontal tilting device 2 is bolted to the sliding plate 73, which is not only simple and reliable but also facilitates disassembly and maintenance.
[0027] Combination Figure 2 , Figure 3 and Figure 4As shown, a sliding groove 9 is provided on the worktable 1, and a sliding block 731 matching the sliding groove 9 is provided at the bottom of the sliding plate 73. Specifically, the worktable 1, as the cornerstone of the gas valve body grinding fixture, is not only related to the stability of the entire system, but also directly affects the accuracy and efficiency of the gas valve body during processing. The worktable 1 serves as the support platform for the entire fixture system, and the sliding groove 9 serves as the track for the horizontal movement of the sliding plate 73. The shape, size, and position of the sliding groove 9 are precisely calculated and optimized. The cross-sectional shape of the sliding groove 9 is usually designed as T-shaped or dovetail-shaped to ensure that the sliding block 731 can maintain stability and accuracy during sliding. At the same time, the surface of the sliding groove 9 is also specially treated to improve its wear resistance and corrosion resistance, extending its service life. The sliding block 731, as a key component connecting the sliding plate 73 and the horizontal drive mechanism 7, is located at the bottom of the sliding plate 73 and matches the sliding groove 9. The sliding block 731 is made of high-strength, wear-resistant material. Its shape and size design fully consider the shape and size requirements of the sliding groove 9 to ensure stability and accuracy during sliding. Simultaneously, the surface of the sliding block 731 undergoes special treatment to improve its lubricity and wear resistance, reducing frictional resistance and wear. The fit between the sliding block 731 and the sliding groove 9 is crucial for the stable operation of the entire horizontal drive mechanism 7. The fit between the worktable 1 and the sliding plate 73 is designed to be both precise and stable. By using high-strength, corrosion-resistant materials for the worktable 1 and the sliding block 731, and by precision-machined and specially treated surfaces for the sliding groove 9 and the sliding block 731, the stability and accuracy of the sliding plate 73 during horizontal movement are ensured.
[0028] Combination Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, rubber gaskets are provided on the inner walls of both the first groove 55 and the second groove 64. Specifically, the first groove 55 and the second groove 64 of the gas valve body grinding fixture are key parts for clamping the gas valve body, and the material and treatment of their inner walls are crucial for ensuring clamping stability and protecting the outer wall of the gas valve body from damage. Due to its material properties, the rubber gasket has a high coefficient of friction. When the gas valve body is clamped in the first groove 55 or the second groove 64, the rubber gasket provides additional friction, ensuring that the gas valve body will not slide or shift due to vibration or external forces during processing, thus maintaining a stable processing state. The outer wall of the gas valve body is usually made of metal or other hard materials, and direct contact with the hard inner wall of the fixture may cause scratches or wear. As a buffer layer, the rubber gasket can effectively isolate the inner wall of the fixture from direct contact with the outer wall of the gas valve body, reducing friction and wear, and protecting the appearance and performance of the gas valve body. The rubber gasket has a certain degree of elasticity and plasticity, and can adapt to the shape and size of the gas valve body, thereby fitting more tightly to the outer wall of the gas valve body. This tight fit helps improve clamping accuracy and stability, ensuring the gas valve body's position does not change during processing. When installing the rubber gasket, ensure it fits completely against the inner wall of the first groove 55 or the second groove 64, without air bubbles or wrinkles. Simultaneously, regularly check the wear of the rubber gasket and replace severely worn gaskets promptly to ensure it maintains good clamping performance and protective capabilities. The rubber gaskets on the inner walls of the first groove 55 and the second groove 64 not only improve clamping stability and accuracy but also protect the outer wall of the gas valve body from damage, providing strong support for high-quality processing of the gas valve body.
[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A valve body composite machining fixture, comprising a worktable (1), wherein a horizontal tilting device (2) is provided on the worktable (1), characterized in that, The horizontal flipping device (2) has a horizontally set flipping axis. A horizontal drive mechanism (7) is provided on one side of the horizontal flipping device (2) to drive it to move along the flipping axis. The horizontal flipping device (2) has two coaxial clamping ends (8). A flipping platform (3) is provided between the two clamping ends (8). The flipping platform (3) has a rotary drive mechanism (4) to drive it to rotate along the flipping axis. A first clamping fixture (5) and a second clamping fixture (6) for clamping and fixing the gas valve body are arranged side by side on the flipping platform (3) along the flipping axis.
2. The valve body composite machining fixture according to claim 1, characterized in that, The first clamping fixture (5) includes a fixed plate (51) set on the flipping platform (3), a first cylinder (52) is set on the fixed plate (51), a first movable clamping block (53) is fixedly connected to the output end of the first cylinder (52), a first fixed clamping block (54) is set on the flipping platform (3) at a position opposite to the first movable clamping block (53), and the first movable clamping block (53) and the first fixed clamping block (54) together form a first groove (55) that matches the outer wall of the gas valve body.
3. The valve body composite machining fixture according to claim 2, characterized in that, A fixing rod (56) is provided on the first fixed clamping block (54), and the fixing rod (56) passes through the first movable clamping block (53) and is fixedly connected to the first cylinder (52).
4. The valve body composite machining fixture according to claim 3, characterized in that, The second clamping fixture (6) includes a second fixed clamping block (61) disposed on the flipping platform (3). A second cylinder (62) is disposed on the back of the flipping platform (3). The output end of the second cylinder (62) passes through the second fixed clamping block (61) and is fixedly connected to a second movable clamping block (63). The second movable clamping block (63) is disposed directly above the second fixed clamping block (61). The second movable clamping block (63) and the second fixed clamping block (61) together form a second groove (64) that matches the outer wall of the gas valve body.
5. The valve body composite machining fixture according to claim 4, characterized in that, The rotary drive mechanism (4) includes a rotary block (41) coaxially connected to the clamping end (8), a fixed block (42) is provided on the outside of the rotary block (41), a third cylinder (43) is provided on the fixed block (42), and the output end of the third cylinder (43) is fixedly connected to the rotation axis of the rotary block (41).
6. The valve body composite machining fixture according to claim 5, characterized in that, The horizontal drive mechanism (7) includes a fixed seat (71) set on the worktable (1), a servo motor (72) is set on the fixed seat (71), a sliding plate (73) is fixedly connected to the output end of the servo motor (72), and the horizontal flipping device (2) is fixedly installed on the sliding plate (73) by bolts.
7. The valve body composite machining fixture according to claim 6, characterized in that, The workbench (1) is provided with a sliding groove (9), and the bottom of the sliding plate (73) is provided with a sliding block (731) that matches the sliding groove (9).
8. The valve body composite machining fixture according to claim 7, characterized in that, Rubber gaskets are provided on the inner walls of both the first groove (55) and the second groove (64).