CN221247806U - Valve seat double-support-column hole machining device - Google Patents
Valve seat double-support-column hole machining device Download PDFInfo
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- CN221247806U CN221247806U CN202322875013.0U CN202322875013U CN221247806U CN 221247806 U CN221247806 U CN 221247806U CN 202322875013 U CN202322875013 U CN 202322875013U CN 221247806 U CN221247806 U CN 221247806U
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- valve seat
- positioning
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- hole machining
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- 238000003754 machining Methods 0.000 title claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000013461 design Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a valve seat double-support hole machining device. The device comprises threads, a rod support, a bottom plate, a pressing disc, a pressing screw, a supporting block, a positioning strip and a positioning support; wherein, the locating support sets up product X, Y, Z three direction reference surfaces simultaneously, and the threaded rod passes pole support and compresses tightly the dish movable connection for compress tightly the location to the product Z direction, and the locating strip is placed in horizontal draw-in groove on the locating support, forms little clearance sliding fit with it, is used for compressing tightly the location to the product Y direction, and pole support and locating support are fixed in on the bottom plate through screw and locating pin, and the supporting shoe is fixed in locating support draw-in groove both sides, and compression screw passes the supporting shoe through the screw and compresses tightly the location to the locating strip. The processing device has the advantages that the processing precision is high, the processing process is convenient and fast, the quality is stable and reliable, and the coaxiality of the double support holes of the valve seat can be further ensured.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a valve seat double-support hole machining device.
Background
The check valve is an important product matched with a main machine factory in the factory, and has the main function of preventing air from flowing backwards.
The valve seat is an important part for forming the one-way valve, and the machining precision, especially coaxiality, of the double-pillar holes on the valve seat can directly influence the assembly quality of products, so that the valve plate is blocked to cause the scrapping of the products, and the zero-hour fault of an external field occurs.
According to the traditional processing method, the processing of the double-strut holes of the valve seat is mainly carried out by means of flat tongs clamping for drilling, the processing method is influenced by the product structure and the clamping mode, the deformation in the processing process is difficult to control, and the suspended valve seat strut is extremely easy to bend and deform inwards, so that the coaxiality of the double-strut holes of the valve seat is out of order, and the sealing performance of the one-way valve is invalid or the valve plate is blocked, and reverse air leakage occurs.
Disclosure of utility model
The purpose of the utility model is that: a valve seat double-support column hole machining device is provided. The processing device has the advantages that the processing precision is high, the processing process is convenient and fast, the quality is stable and reliable, and the coaxiality of the double support holes of the valve seat can be further ensured.
The technical scheme of the utility model is as follows: a valve seat double-support hole machining device comprises threads, a rod support, a bottom plate, a pressing disc, a pressing screw, a supporting block, a positioning strip and a positioning support; wherein, the locating support sets up product X, Y, Z three direction reference surfaces simultaneously, and the threaded rod passes pole support and compresses tightly the dish movable connection for compress tightly the location to the product Z direction, and the locating strip is placed in horizontal draw-in groove on the locating support, forms little clearance sliding fit with it, is used for compressing tightly the location to the product Y direction, and pole support and locating support are fixed in on the bottom plate through screw and locating pin, and the supporting shoe is fixed in locating support draw-in groove both sides, and compression screw passes the supporting shoe through the screw and compresses tightly the location to the locating strip.
In the valve seat double-support column hole machining device, the positioning support seat is provided with three direction datum planes of the product X, Y, Z at the same time, and the three direction datum planes are consistent with the design datum of the product.
In the valve seat double-support hole machining device, the positioning strip is designed into a T shape, the large end is used for compressing and positioning a product in the Y direction, the small end is in small clearance sliding fit with the transverse clamping groove on the positioning support, and the fit tolerance of the small clearance sliding fit is H7/f7.
In the valve seat double-support hole machining device, the pressing plate is made of a cloth-covered bakelite material and used for pressing and positioning a product in the Z direction and giving way to support nuts of the product.
In the valve seat double-support-post hole machining device, the rod support and the positioning support are provided with rectangular support ribs on opposite faces in the Z direction.
In the valve seat double-support hole machining device, the large end of the threaded rod is provided with the knurled handle, and the small end of the threaded rod is movably connected with the pressing disc through threads.
In the valve seat double-support column hole machining device, the supporting blocks are fixed on two sides of the clamping groove of the positioning support seat, and the compression screw penetrates through the supporting blocks through threads to compress and position the positioning strip, so that the product Y direction is compressed and positioned.
The utility model has the advantages that: the utility model can adjust the relevant size of the device according to products with different sizes in the same structure.
The utility model provides a valve seat double-support hole machining device which is high in machining precision, convenient and fast in machining process and stable and reliable in quality, and can ensure coaxiality of valve seat double-support holes in batches and effectively ensure machining qualification rate of a one-way valve seat.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a valve seat double-support hole machining device provided by the utility model;
FIG. 3 is a schematic view of the device positioning support;
FIG. 4 is a schematic view of a valve seat of a check valve;
FIG. 5 is a cross-sectional view of the device in which the threaded rod is movably connected with the compression plate in a threaded manner;
FIG. 6 is a schematic view of the device positioning strip.
Wherein, 1-threaded rod, 2-pole support, 3-bottom plate, 4-compact disc, 5-compression screw, 6-supporting shoe, 7-location strip, 8-location support, 9-certain check valve seat.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Example 1. As shown in fig. 1-6, the utility model provides a valve seat double-support-column hole machining device, which comprises threads 1, a rod support 2, a bottom plate 3, a pressing disc 4, a pressing screw 5, a support block 6, a positioning strip 7 and a positioning support 8; wherein, positioning support 8 sets up product X, Y, Z three direction reference surfaces simultaneously for all-round location support to the product, threaded rod 1 pass pole support 2 and compress tightly 4 swing joint of dish, be used for compressing tightly the location to the product Z direction, location strip 7 is placed in horizontal draw-in groove on positioning support 8, form little clearance smooth fit with it, be used for compressing tightly the location to the product Y direction, pole support 2 and positioning support 8 are fixed in on bottom plate 3 through screw and locating pin, supporting shoe 6 is fixed in positioning support 8 draw-in groove both sides, compression screw 5 passes supporting shoe 6 through the screw and compresses tightly the location to location strip 7.
The positioning support 8 is provided with three direction datum planes of the product X, Y, Z at the same time, and is consistent with the design datum of the product, so as to be used for carrying out positioning support on the product in all directions.
The positioning strip 7 is designed into a T shape, the large end is used for compressing and positioning the product in the Y direction, the small end is in small clearance sliding fit with a transverse clamping groove on the positioning support 8, and the fit tolerance of the small clearance sliding fit is H7/f7.
The aforementioned compressing disc 4 is made of a plaiting material, prevents the product from being damaged by compression, and the large end face is provided with a through groove for compressing and positioning the product in the Z direction and giving way to the pillar nut thereof.
The rectangular supporting ribs are arranged on opposite sides of the rod support 2 and the positioning support 8 in the Z direction, so that the rod support 2 and the positioning support 8 are reliably fixed and positioned under stress.
The knurled handle is arranged at the large end of the threaded rod 1, manual operation is facilitated, and the small end is movably connected with the pressing disc 4 through threads.
The supporting blocks 6 are fixed on two sides of the clamping grooves of the positioning support 8, and the compression screw 5 passes through the supporting blocks 6 through threads to compress and position the positioning strips 7, so that the product Y direction is compressed and positioned.
The screw is a fastener, the cylindrical pin is a device part positioning piece, and the device part positioning piece is not shown in the figure.
1-6, The specific use process of the valve seat double-support hole machining device provided by the utility model comprises the following steps:
1. A valve seat 9 of a one-way valve is placed on a positioning support 8 of the device, so that one pillar of the valve seat 9 clings to a datum surface 1 and a datum surface 2 of the positioning support 8 respectively.
2. The screw rod 1 is manually screwed in the Z direction, and the end face of the valve seat can be tightly pressed and attached with the reference surface 3 through the large end face obtained by the pressing disc 4.
3. The Y-direction manually pushes the positioning strip 7, so that the valve seat support cylinder surface is tightly pressed and attached with the reference surface 2 through the large end surface of the positioning strip 7, and the pressing screw 5 is locked at the moment.
4. After the installation of the valve seat 9 of the one-way valve is finished, drilling processing can be performed.
The foregoing examples are merely illustrative of the technical solution and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement the same, not to limit the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art.
Claims (7)
1. The valve seat double-support hole machining device is characterized by comprising threads (1), a rod support (2), a bottom plate (3), a pressing disc (4), a pressing screw (5), a supporting block (6), a positioning strip (7) and a positioning support (8); wherein, positioning support (8) set up product X, Y, Z three direction reference surface simultaneously, threaded rod (1) pass pole support (2) and compress tightly dish (4) swing joint for compress tightly the location to product Z direction, horizontal draw-in groove on positioning support (8) is placed in location strip (7), it forms little clearance smooth fit, be used for compressing tightly the location to product Y direction, pole support (2) and positioning support (8) are fixed in on bottom plate (3) through screw and locating pin, supporting shoe (6) are fixed in positioning support (8) draw-in groove both sides, compression screw (5) pass supporting shoe (6) through the screw thread and compress tightly location to location strip (7).
2. The valve seat double-strut hole machining device according to claim 1, wherein the positioning support (8) is provided with three direction reference surfaces of the product X, Y, Z at the same time, and the three direction reference surfaces are consistent with the design reference of the product.
3. The valve seat double-strut hole machining device according to claim 1, characterized in that the positioning strip (7) is designed into a T shape, the large end is used for pressing and positioning the product in the Y direction, the small end is in small clearance sliding fit with a transverse clamping groove on the positioning support (8), and the fit tolerance of the small clearance sliding fit is H7/f7.
4. The valve seat double-strut hole machining device according to claim 1, wherein the pressing disc (4) is made of a placket rubber material and is used for pressing and positioning a product in the Z direction and simultaneously giving way to a strut nut thereof.
5. The valve seat double-strut hole machining device according to claim 1, wherein the rod support (2) and the positioning support (8) are provided with rectangular support ribs at opposite sides in the Z direction at the same time.
6. The valve seat double-strut hole machining device according to claim 1, wherein the large end of the threaded rod (1) is provided with a knurled handle, and the small end is movably connected with the pressing disc (4) through threads.
7. The valve seat double-strut hole machining device according to claim 1, wherein the supporting blocks (6) are fixed on two sides of the clamping groove of the positioning support (8), and the compression screw (5) passes through the supporting blocks (6) through threads to compress and position the positioning strip (7) so as to compress and position the product in the Y direction.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221247806U true CN221247806U (en) | 2024-07-02 |
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