Tool for machining sealing surface of valve plate

Abstract

The utility model discloses a tool for processing a sealing surface of a valve plate, which is characterized in that a placing plate is provided with paired sliding chutes which are transversely arranged, the two sides of the paired sliding chutes are respectively provided with first pin holes which are arranged in rows, and second pin holes which are vertically distributed are arranged between the paired sliding chutes; the paired supports are fixedly installed on the upper side and the lower side of the containing plate through the second pin holes respectively, first threaded holes are formed in the supports, the ejector pins are in threaded connection with the supports through the first threaded holes, adjusting caps are arranged on the ejector pins, and the adjusting caps are polygonal. The paired sliding seats are arranged in the paired sliding grooves of the placing plate in a sliding mode through sliding rails arranged at the bottoms of the sliding seats respectively, paired key grooves are formed in the upper sides and the lower sides of the sliding seats respectively, and the paired key grooves correspond to the first pin holes in rows. And the machining difficulty of the sealing surface is effectively reduced, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve plate processing, and specifically relates to a tool for valve plate sealing surface processing. BACKGROUND

[0002] Valves can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media and various types of fluids. On the pipeline, it mainly plays the role of cutting off and throttling. The valve body is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening and closing or adjusting.

[0003] Because the valve plate of the flap valve is provided with a valve shaft hole, the outer surface is irregular in shape, ordinary clamping tools are difficult to clamp the valve plate, and after clamping, the valve plate is prone to loosen during processing of the valve plate sealing surface, resulting in difficult processing. In view of such situation, we propose a tool for valve plate sealing surface processing. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a tool for valve plate sealing surface processing. The tool can effectively fix the valve plate, prevent the valve plate from loosening during processing of the valve plate sealing surface, and reduce the processing difficulty.

[0005] The utility model discloses a tool for valve plate sealing surface processing. The tool can effectively fix the valve plate, prevent the valve plate from loosening during processing of the valve plate sealing surface, and reduce the processing difficulty.

[0006] The tool for valve plate sealing surface processing comprises a placing plate, a support, a thimble, a sliding seat and a screw rod, the placing plate is provided with a pair of transverse sliding grooves, a row of first pin holes are formed on the two sides of the sliding grooves, a vertical second pin hole is formed between the sliding grooves, the supports are fixed and installed on the upper and lower sides of the placing plate through the second pin holes, a first threaded hole is formed in the support, the thimble is threadedly connected with the support through the first threaded hole, the thimble is provided with an adjusting cap, and the adjusting cap is polygonal, the sliding seats are slidably installed in the sliding grooves of the placing plate through the sliding rails arranged on the bottoms of the sliding seats, a pair of key grooves are formed on the upper and lower sides of the sliding seat, the key grooves correspond to the first pin holes, the sliding seats are fixed and installed on the placing plate through the pin and the first pin holes, a bracket is arranged on the sliding seat, a rod seat is fixedly installed on the outer side of the bracket, and the screw rod is threadedly connected with the rod seat.

[0007] Preferably, the bracket is arc-shaped.

[0008] Preferably, the first pin hole and the second pin hole are screw holes.

[0009] The utility model adopts the above-mentioned technical solutions and can achieve the beneficial effects as follows.

[0010] By setting supports, ejector pins, slides, and brackets, rod seats, and screws on the slides, the valve plate is supported and fixed at multiple points on the upper and lower sides and the left and right sides, preventing vibration and shaking when machining the valve plate sealing surface. This effectively reduces the machining difficulty of the sealing surface and improves machining efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] 1. Placement plate; 2. Support; 3. Ejector pin; 4. Slide; 5. Screw; 6. Slide groove; 7. First pin hole; 8. Second pin hole; 9. Adjusting cap; 10. Slide rail; 11. Keyway; 12. Support; 13. Rod seat; 14. Pin. Detailed Implementation

[0013] Depend on Figure 1 As shown, the tooling for machining the valve plate sealing surface includes a placement plate 1, a support 2, a ejector pin 3, a slide block 4, and a screw 5. The placement plate 1 has horizontally arranged paired sliding grooves 6, with rows of first pin holes 7 on both sides of each groove 6. Vertically distributed second pin holes 8 are formed between the paired sliding grooves 6. The paired supports 2 are fixedly mounted on the upper and lower sides of the placement plate 1 through the second pin holes 8. Each support 2 has a first threaded hole, and the ejector pin 3 is threadedly connected to the support 2 through the first threaded hole. The ejector pin 3 is equipped with an adjusting cap 9, which is polygonal, allowing for easy turning of the ejector pin 3 to adjust its support height on the valve plate surface. The paired slide blocks 4 are respectively fixedly mounted on the bottom... The slide rail 10 is slidably installed in the paired slide grooves 6 of the placement plate 1. The slide block 4 has a pair of keyways 11 on its upper and lower sides, which correspond to the row of first pin holes 7. The paired slide blocks 4 are fixedly installed on the placement plate 1 by pins 14 passing through the keyways 11 and the first pin holes 7 respectively. The slide block 4 is provided with a support 12, which is arc-shaped and corresponds to the outer circle of the shaft hole on the valve plate surface, thus limiting the outer circle of the shaft hole. A rod seat 13 is fixedly installed on the outside of the support 12. The screw 5 is threadedly connected to the rod seat 13. The screw 5 corresponds to the support 12, and the paired screws 5 tighten and fix the valve plate from both ends.

[0014] In using the tool for valve plate sealing surface processing, first, the chuck of the lathe is disassembled, then the tool is fixed and installed at the original position of the chuck of the lathe, the sliding seat 4 is moved to be fixed and installed at a suitable position on the placement plate 1, the valve shaft of the valve plate is placed in the pair of holders 12, the screw 5 on the sliding seat 4 is rotated to fix the two ends of the valve shaft respectively, finally, the adjusting cap 9 on the upper and lower side supports 2 on the placement plate 1 is rotated to make the top pin 3 support and fix the valve plate on the upper and lower sides to prevent it from shaking up and down, then the sealing surface around the valve plate can be processed.

Claims

1. A tooling for machining the sealing surface of a valve plate, characterized in that: The assembly includes a placement plate (1), a support (2), a ejector pin (3), a slide (4), and a screw (5). The placement plate (1) has a pair of horizontally placed sliding grooves (6). The two sides of the pair of sliding grooves (6) have rows of first pin holes (7). The two pairs of sliding grooves (6) have vertically distributed second pin holes (8). The pairs of supports (2) are fixedly installed on the upper and lower sides of the placement plate (1) through the second pin holes (8). The supports (2) have first threaded holes. The ejector pin (3) is threaded to the supports (2) through the first threaded holes. The ejector pin (3) is provided with an adjusting cap (9), and the adjusting cap (9) is polygonal. The paired slide blocks (4) are slidably installed in the paired slide grooves (6) of the placement plate (1) via the slide rails (10) provided at the bottom. The slide blocks (4) are provided with paired keyways (11) on the upper and lower sides respectively. The paired keyways (11) correspond to the row of first pin holes (7). The paired slide blocks (4) are fixedly installed on the placement plate (1) by pins (14) passing through the keyways (11) and the first pin holes (7) respectively. A support (12) is provided on the slide block (4). A rod seat (13) is fixedly installed on the outside of the support (12). The screw (5) is threadedly connected to the rod seat (13). The screw (5) corresponds to the support (12).

2. The tooling for machining the valve plate sealing surface according to claim 1, characterized in that: The support (12) is arc-shaped.

3. The tooling for machining the valve plate sealing surface according to claim 1, characterized in that: Both the first pin hole (7) and the second pin hole (8) are screw holes.

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