CN212251115U - Sealing device for oil filling hole of isostatic pressing die - Google Patents
Sealing device for oil filling hole of isostatic pressing die Download PDFInfo
- Publication number
- CN212251115U CN212251115U CN202020850226.1U CN202020850226U CN212251115U CN 212251115 U CN212251115 U CN 212251115U CN 202020850226 U CN202020850226 U CN 202020850226U CN 212251115 U CN212251115 U CN 212251115U
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- Prior art keywords
- rubber ring
- ring pad
- thread pipe
- screw thread
- external screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 238000000462 isostatic pressing Methods 0.000 title claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
An oil filling hole sealing device for an isostatic pressing die belongs to the technical field of sealing devices for isostatic pressing equipment. The method is characterized in that: comprises an external thread pipe (2), a first rubber ring pad (3), a second rubber ring pad (4) and a sealing cover (5), one end of the external thread pipe (2) is fixedly connected with the mould main body (1), and is communicated with the oil filling hole (6), the first rubber ring pad (3) is fixed at the other end of the external thread pipe (2), the sealing cover (5) is tightly connected on the external thread pipe (2) through the internal thread corresponding to the external thread pipe (2), the sealing cover (5) seals the opening at the other end of the external thread pipe (2), be equipped with second rubber ring pad (4) in sealed lid (5), first rubber ring pad (3) compress tightly on the side of second rubber ring pad (4), the other end opening of the sealed external screw thread pipe of middle part (2) of second rubber ring pad (4), and this device realizes better sealed effect through screw thread mode and inside double seal structure, avoids pressure oil to reveal.
Description
Technical Field
An oil filling hole sealing device for an isostatic pressing die belongs to the technical field of sealing devices for isostatic pressing equipment.
Background
Most of the conventional isostatic pressing dies are operated by injecting pressure oil into an oil way to perform isostatic pressing, the dies are usually sealed by a sealing device after being filled with the pressure oil to prevent the pressure oil from leaking, the problem of pressure oil leakage often occurs in work due to uneven sealing effect of the sealing device, pollution and waste are caused, the effect of isostatic pressing treatment is influenced to a certain extent, the yield of a brick blank is reduced, the isostatic pressing effect cannot meet the requirement, the yield of a superior product is reduced, a pressing block or a sealing mode of a threaded cover is often used in the conventional sealing device, the problem of oil leakage often occurs when the pressure of the pressure oil is gradually increased, and the effect of improving the product of the isostatic pressing treatment is limited.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide an isostatic pressing mould oil filler point sealing device, carry out the sealed of oil filler point through screw thread mode and inside double seal structure's mode, can effectively improve sealed effect, guaranteed the effect of isostatic pressing treatment back product to a certain extent.
The utility model provides a technical scheme that its technical problem adopted is: the isostatic pressing mould oil filler point sealing device, its characterized in that: including external screw thread pipe, first rubber ring pad, second rubber ring pad and sealed lid, the one end and the mould main part fixed connection of external screw thread pipe to communicate with each other with the oil filler point, the other end at external screw thread pipe is fixed to first rubber ring pad, sealed lid through with the corresponding internal thread zonulae occludens of external screw thread pipe on external screw thread pipe, the one end opening of sealed external screw thread pipe of sealed lid is equipped with the second rubber ring pad in sealed lid, first rubber ring pad compresses tightly on the side of second rubber ring pad, the other end opening of the sealed external screw thread pipe in middle part of second rubber ring pad.
Preferably, an annular clamping groove is formed in the end face of the other end of the outer threaded pipe, the first rubber ring pad is fixed in the clamping groove, and one end of the first rubber ring pad extends out of the clamping groove.
Preferably, the middle part of the second rubber gasket pad is provided with a sealing boss.
Preferably, the other end opening of the external thread pipe is provided with a chamfer, and the side surface of the sealing boss is an inclined surface corresponding to the chamfer of the other end opening of the external thread pipe.
Preferably, the inner side of the sealing cover is provided with an annular groove, and the side edge of the second rubber ring pad is clamped in the groove.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the isostatic pressing mould oil filler point sealing device sticiss the formula through double-deck rubber ring pad and seals, and sealed lid fastens on the screwed pipe through threaded connection's mode, sticiss between first rubber ring pad and the second rubber ring pad and realize better sealed effect with the double seal mode that the sealed boss in second rubber ring pad middle part sticiss with the inboard inclined plane of screwed pipe, effectively avoids revealing of pressurized oil.
Drawings
FIG. 1 is a schematic cross-sectional view of an isostatic mold oil hole seal.
In the figure: 1. the die comprises a die main body 2, an external thread pipe 3, a first rubber ring pad 4, a second rubber ring pad 5, a sealing cover 6 and an oil filling hole.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
The utility model provides an isostatic pressing mould oil filler point sealing device which characterized in that: including external screw thread pipe 2, first rubber ring pad 3, second rubber ring pad 4 and sealed lid 5, the one end and the 1 fixed connection of mould main part of external screw thread pipe 2 to communicate with each other with oil filler point 6, first rubber ring pad 3 is fixed at the other end of external screw thread pipe 2, sealed lid 5 through with the corresponding internal thread zonulae occludens of external screw thread pipe 2 on external screw thread pipe 2, the one end opening of sealed lid 5 sealed external screw thread pipe 2 is equipped with second rubber ring pad 4 in sealed lid 5, first rubber ring pad 3 compresses tightly on the side of second rubber ring pad 4, the other end opening of the sealed external screw thread pipe 2 in middle part of second rubber ring pad 4. This device compresses tightly through two rubber ring pads and presses sealedly and the inboard inclined plane of external screw thread pipe 2 sticiss with the sealed boss in 4 middle parts of second rubber ring pad and realize double seal structure, provides a better sealing device of sealed effect.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Referring to fig. 1, an external threaded pipe 2 is fixedly arranged on a die main body 1 and communicated with an oil injection hole 6, an external thread is arranged on the outer side of the external threaded pipe 2, an annular clamping groove is formed in the end face of the other end of the external threaded pipe 2, a first rubber ring pad 3 is fixed in the clamping groove, one end of the first rubber ring pad 3 extends out of the clamping groove, an internal thread corresponding to the external threaded pipe 2 is arranged on the inner side of a sealing cover 5 and is arranged on the external threaded pipe 2 in a threaded connection mode, an annular groove is formed in the inner side of the sealing cover 5, the side edge of a second rubber ring pad 4 is clamped in the groove, a sealing boss is arranged in the middle of the second rubber ring pad 4, the first rubber ring pad 3 is tightly pressed on the side surface of the second rubber ring pad 4, a chamfer is arranged at the opening of the other end of the external threaded pipe 2, the side surface of the sealing boss is an inclined surface corresponding to the chamfer of the opening at the other end of the external threaded pipe, and the .
When the sealing structure is used, after pressure oil is poured into an oil way in the die main body 1 through the oil injection hole 6, the sealing cover 5 is screwed on the external threaded pipe 2, when the first rubber ring pad 3 contacts the second rubber ring pad 4, the sealing cover 5 is screwed forcibly continuously to move towards the die main body 1 continuously, the first rubber ring pad 3 is tightly pressed on the second rubber ring pad 4, the first rubber ring pad 3 can deform due to extrusion force, the side face of the middle boss of the second rubber ring pad 4 is tightly pressed with the inner side inclined plane of the external threaded pipe 2, and a sealing structure with a good sealing effect is provided by a double sealing mode of tightly pressing the first rubber ring pad 3 and the second rubber ring pad 4 and tightly pressing the inner side inclined plane of the second rubber ring pad 4 and the external threaded pipe 2, so that the oil leakage condition during isostatic pressing operation is effectively avoided.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides an isostatic pressing mould oil filler point sealing device which characterized in that: including external screw thread pipe (2), first rubber ring pad (3), second rubber ring pad (4) and sealed lid (5), the one end and mould main part (1) fixed connection of external screw thread pipe (2) to communicate with each other with oil filler point (6), the other end at external screw thread pipe (2) is fixed in first rubber ring pad (3), sealed lid (5) through with external screw thread pipe (2) corresponding internal thread zonulae occludens on external screw thread pipe (2), the one end opening of sealed external screw thread pipe (2) of sealed lid (5), be equipped with second rubber ring pad (4) in sealed lid (5), first rubber ring pad (3) compress tightly on the side of second rubber ring pad (4), the other end opening of the sealed external screw thread pipe in middle part (2) of second rubber ring pad (4).
2. The isostatic mold oil hole sealing device according to claim 1, wherein: the end face of the other end of the outer threaded pipe (2) is provided with an annular clamping groove, the first rubber ring pad (3) is fixed in the clamping groove, and one end of the first rubber ring pad (3) extends out of the clamping groove.
3. The isostatic mold oil hole sealing device according to claim 1, wherein: and a sealing boss is arranged in the middle of the second rubber gasket (4).
4. The isostatic mold oil hole sealing device according to claim 3, wherein: the other end opening of the external thread pipe (2) is provided with a chamfer, and the side surface of the sealing boss is an inclined surface corresponding to the chamfer of the other end opening of the external thread pipe (2).
5. The isostatic mold oil hole sealing device according to claim 1, wherein: the inner side of the sealing cover (5) is provided with an annular groove, and the side edge of the second rubber ring pad (4) is clamped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850226.1U CN212251115U (en) | 2020-05-20 | 2020-05-20 | Sealing device for oil filling hole of isostatic pressing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850226.1U CN212251115U (en) | 2020-05-20 | 2020-05-20 | Sealing device for oil filling hole of isostatic pressing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212251115U true CN212251115U (en) | 2020-12-29 |
Family
ID=73975137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020850226.1U Expired - Fee Related CN212251115U (en) | 2020-05-20 | 2020-05-20 | Sealing device for oil filling hole of isostatic pressing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212251115U (en) |
-
2020
- 2020-05-20 CN CN202020850226.1U patent/CN212251115U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |