Valve machining positioning clamp

Abstract

The utility model discloses a valve machining positioning clamp which comprises a machining table, table legs are fixedly connected to the four corners of the machining table, a lifting hole is formed in the middle of the machining table, a placing assembly used for placing a valve is arranged in the lifting hole, and the two sides of the top of the machining table are fixedly connected with machine frames. The valve machining positioning clamp comprises a placing assembly, a hydraulic assembly and a clamp assembly, the placing assembly is used for placing a valve, the top of each rack is provided with a hydraulic assembly used for providing pressure for clamping the valve, and one end of each hydraulic assembly is provided with the clamp assembly. The device can be suitable for most valve bodies with different sizes and different shapes, the requirements for the types and the shapes of the machined valve bodies are low, the angle of the valve bodies can be adjusted at any time in the machining process, the specific needed angle can be adjusted through scales, meanwhile, the automation degree of the device is high, machining is convenient and fast, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve processing and positioning fixtures, in particular to a valve processing and positioning fixture. Background Art

[0002] A fixture is a device used to fix the workpiece in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install a workpiece in any process can be called a fixture. The valve positioning fixture in the prior art is fixed by providing a clamping force to the fixture by rotating a screw; for example, a valve body drilling fixture with application number CN218168810U includes a fixture body, an opening for accommodating the valve body, a locating pin for positioning the valve body installed on the side of the opening, a drill sleeve and a locking screw installed above the opening, a drill hole processed in the middle of the drill sleeve, and a fixing screw fixed on one side of the drill sleeve; the above-mentioned common positioning fixture still has some shortcomings:

[0003] The adjustment capability is insufficient when processing valve bodies of different sizes and shapes, and the requirements for the type and shape of the valve body are high. At the same time, the angle of the valve body cannot be adjusted during the processing, which is not conducive to the convenience of processing. Manual clamping is required, and the process of disassembly and clamping during repeated processing is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the present utility model is to provide a valve processing positioning fixture to solve the problems proposed in the above-mentioned background technology, such as insufficient adjustment ability when reprocessing valve bodies of different sizes and shapes, high requirements for the type and shape of the processed valve body, inability to adjust the angle of the valve body during the processing, which is not conducive to convenient processing, requiring manual clamping, and the time-consuming and labor-intensive process of disassembling and clamping during repeated processing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a valve processing and positioning fixture, comprising a processing table, the four corners of the processing table are fixedly connected to table legs, a lifting hole is opened in the middle of the processing table, and a placement component for placing the valve is provided inside the lifting hole, both sides of the top of the processing table are fixedly connected to a frame, the tops of the two frames are provided with a hydraulic component for providing pressure to clamp the valve, one end of the hydraulic component is provided with a clamp component, and a control panel is provided on one side of the frame near the corner of the processing table, with a high degree of automation. The process of clamping and disassembling through the control panel saves time and effort and improves work efficiency.

[0006] Preferably, the placement assembly includes a fixed plate, the top of the fixed plate is fixedly connected to an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to a support plate, and the angle required to clamp the valve body is adjusted, and the valve body to be processed is placed on the support plate, which is conducive to freeing hands during the clamping process and preventing the equipment from accidentally injuring workers during the clamping process.

[0007] Preferably, the hydraulic assembly includes a hydraulic cylinder, an output end of the hydraulic cylinder is provided with a hydraulic rod, one end of the hydraulic rod is fixedly connected to a frustum, a mounting hole is provided on one side of the frustum, a locking hole is provided on the surface of the frustum, the internal thread of the locking hole is connected to a locking threaded rod, and a pointer is fixedly connected just above the surface of the frustum, which is conducive to providing a clamping force for clamping the valve to be processed, and at the same time, it can realize the rotation locking function in conjunction with the clamp assembly.

[0008] Preferably, the clamp assembly includes an arc-shaped splint, a mounting rod is fixedly connected to the middle of one side of the arc-shaped splint, anti-slip particles are provided on the other side of the arc-shaped splint, a scale ring is provided concentrically on the outer side of the mounting rod, and both ends of the arc-shaped splint are fixedly connected with an adjusting ball head rod, which is conducive to adapting to valves of different sizes, and the anti-slip during the clamping process makes the processing safer and more convenient, and the rotation angle can be adjusted according to the numerical value of the scale change.

[0009] Preferably, the upper surface of the fixed plate is fixedly connected to the bottom of the processing table, and the surface of the support plate is slidably connected to the inside of the lifting hole, providing an installation point for the lifting device and a placement space when not in use, which will not affect the rotation processing of the valve body.

[0010] Preferably, the mounting hole is communicated with the lock hole, and the interior of the mounting hole is rotatably connected to the surface of the mounting rod.

[0011] Preferably, one side of the scale ring is fixedly connected to one side of the cone, the scale range of the scale ring is 0-360°, and the surface of the mounting rod is in contact with one end of the locking threaded rod, which is beneficial for applying pressure to the mounting rod by twisting the locking threaded rod when the angle is adjusted to a suitable position to lock the angle of the mounting rod.

[0012] Compared with the existing technology, the beneficial effects of the present invention are: it can be applied to most valve bodies of different sizes and shapes, and has low requirements for the type and shape of the valve body to be processed. The angle of the valve body can be adjusted at any time during the processing, and the specific required angle can be adjusted through the scale. At the same time, the equipment has a high degree of automation, making processing convenient and fast, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of the valve processing positioning fixture of the utility model;

[0014] Figure 2 This is a structural diagram of the components of the valve processing positioning fixture of the utility model;

[0015] Figure 3 This is a structural diagram of the hydraulic assembly of the valve processing and positioning fixture of the utility model;

[0016] Figure 4 This is a structural diagram of the valve processing positioning fixture assembly of the utility model.

[0017] In the figure: 1. Processing table; 2. Table legs; 3. Lifting hole; 4. Placement assembly; 41. Fixing plate; 42. Electric telescopic rod; 43. Support plate; 5. Control panel; 6. Rack; 7. Hydraulic assembly; 71. Hydraulic cylinder; 72. Hydraulic rod; 73. Round table; 74. Locking threaded rod; 75. Locking hole; 76. Mounting hole; 77. Pointer; 8. Clamp assembly; 81. Arc splint; 82. Anti-slip particles; 83. Scale ring; 84. Mounting rod; 85. Adjustment ball head rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-4 The utility model provides a valve processing and positioning fixture, including a processing table 1, the four corners of the processing table 1 are fixedly connected to the table legs 2, the middle of the processing table 1 is provided with a lifting hole 3, the interior of the lifting hole 3 is provided with a placement component 4 for placing the valve, both sides of the top of the processing table 1 are fixedly connected with a frame 6, the top of the two frames 6 are provided with a hydraulic component 7 for providing pressure to clamp the valve, one end of the hydraulic component 7 is provided with a clamp component 8, and a control panel 5 is provided on one side of the frame 6 near the corner of the processing table 1.

[0020] See Figure 1 and Figure 2 , further, the placement component 4 includes a fixed plate 41, the top of the fixed plate 41 is fixedly connected to an electric telescopic rod 42, and one end of the electric telescopic rod 42 is fixedly connected to a supporting plate 43;

[0021] When in use, the valve to be processed is placed on the support plate 43, the clamping angle is adjusted, and then the electric telescopic rod 42 is activated through the control panel 5 to raise the valve to a suitable position.

[0022] See Figure 2-4The hydraulic assembly 7 includes a hydraulic cylinder 71, and a hydraulic rod 72 is provided at the output end of the hydraulic cylinder 71. One end of the hydraulic rod 72 is fixedly connected to a round table 73. A mounting hole 76 is provided on one side of the round table 73. A locking hole 75 is provided on the surface of the round table 73. The internal thread of the locking hole 75 is connected to a locking threaded rod 74. A pointer 77 is fixedly connected just above the surface of the round table 73. The clamp assembly 8 includes an arc-shaped splint 81. A mounting rod 84 is fixedly connected to the middle part of one side of the arc-shaped splint 81. Anti-slip particles 82 are provided on the other side of the arc-shaped splint 81. A scale ring 83 is provided concentrically on the outer side of the mounting rod 84. Both ends of the arc-shaped splint 81 are fixedly connected to an adjusting ball head rod 85.

[0023] When in use, after the valve to be processed is supported to the appropriate position by the support plate 43, the hydraulic assembly 7 is started, and the hydraulic rods 72 on both sides merge towards the middle under the action of the hydraulic cylinder 71. At this time, the arc-shaped clamping plates 81 on both sides contact the valve surface and the valve is firmly locked by the pressure of the hydraulic assembly 7. The anti-slip particles 82 installed on the arc-shaped clamping plates 81 can increase the safety of the processing process, and then the support plate 43 is reset by the electric telescopic rod 42 to prevent affecting the rotation during valve processing. When the valve needs to be rotated, the locking threaded rod 74 can be loosened and the valve can be rotated by the adjusting ball head rod 85 installed at both ends of the arc-shaped clamping plate 81. Then, the locking threaded rod 74 is rotated inside the lock hole 75 to apply pressure to the mounting rod 84 to lock the existing rotation angle. The angle of rotation is determined by the angle number of the scale ring 83 indicated by the pointer 77. The angle range of the scale ring 83 is 0-360°.

[0024] When the embodiment of the present application is in use: the table legs 2 are installed to the four corners of the bottom of the processing table 1, and then the placement component 4 is installed inside the lifting hole 3, the valve to be processed is placed on the support plate 43, the clamping angle is adjusted, and then the electric telescopic rod 42 is started through the control panel 5 to raise the valve to a suitable position. At this time, the hydraulic component 7 is started, and the hydraulic rods 72 on both sides merge toward the middle under the action of the hydraulic cylinder 71. At this time, the arc-shaped splints 81 on both sides contact the valve surface and the valve is firmly locked by the pressure of the hydraulic component 7. The anti-slip particles 82 installed on the arc-shaped splints 81 can increase the safety of the processing process. The angle of the valve is adjusted by rotating the clamp assembly 8, and the angle of rotation can be determined by the angle number of the scale ring 83 indicated by the pointer 77, and then the locking threaded rod 74 is tightened to lock the existing angle position of the valve.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A valve processing and positioning fixture, comprising a processing table (1), characterized in that: The four corners of the processing table (1) are fixedly connected to table legs (2); a lifting hole (3) is provided in the middle of the processing table (1); a placement assembly (4) for placing a valve is provided inside the lifting hole (3); both sides of the top of the processing table (1) are fixedly connected to a frame (6); the tops of the two frames (6) are provided with a hydraulic assembly (7) for providing pressure to clamp the valve; one end of the hydraulic assembly (7) is provided with a clamp assembly (8); and a control panel (5) is provided on one side of the frame (6) near the corner of the processing table (1).

2. A valve processing and positioning fixture according to claim 1, characterized in that: The placing assembly (4) comprises a fixed plate (41), the top of the fixed plate (41) is fixedly connected to an electric telescopic rod (42), and one end of the electric telescopic rod (42) is fixedly connected to a supporting plate (43).

3. The valve processing and positioning fixture according to claim 1, characterized in that: The hydraulic assembly (7) comprises a hydraulic cylinder (71), an output end of the hydraulic cylinder (71) is provided with a hydraulic rod (72), one end of the hydraulic rod (72) is fixedly connected to a round platform (73), a mounting hole (76) is provided on one side of the round platform (73), a locking hole (75) is provided on the surface of the round platform (73), the internal thread of the locking hole (75) is connected to a locking threaded rod (74), and a pointer (77) is fixedly connected directly above the surface of the round platform (73).

4. The valve processing and positioning fixture according to claim 1, characterized in that: The clamp assembly (8) comprises an arc-shaped clamping plate (81), a mounting rod (84) is fixedly connected to the middle of one side of the arc-shaped clamping plate (81), anti-slip particles (82) are provided on the other side of the arc-shaped clamping plate (81), a scale ring (83) is provided concentrically on the outer side of the mounting rod (84), and both ends of the arc-shaped clamping plate (81) are fixedly connected to an adjusting ball head rod (85).

5. The valve processing and positioning fixture according to claim 2, characterized in that: The upper surface of the fixed plate (41) is fixedly connected to the bottom of the processing table (1), and the surface of the supporting plate (43) is slidably connected to the inside of the lifting hole (3).

6. A valve processing and positioning fixture according to claim 3, characterized in that: The mounting hole (76) is communicated with the lock hole (75), and the interior of the mounting hole (76) is rotatably connected to the surface of the mounting rod (84).

7. The valve processing and positioning fixture according to claim 4, characterized in that: One side of the scale ring (83) is fixedly connected to one side of the truncated cone (73), the scale range of the scale ring (83) is 0-360 degrees, and the surface of the mounting rod (84) is in contact with one end of the locking threaded rod (74).

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