CN214022877U - Sealing device for internal high-pressure forming - Google Patents
Sealing device for internal high-pressure forming Download PDFInfo
- Publication number
- CN214022877U CN214022877U CN202022075291.4U CN202022075291U CN214022877U CN 214022877 U CN214022877 U CN 214022877U CN 202022075291 U CN202022075291 U CN 202022075291U CN 214022877 U CN214022877 U CN 214022877U
- Authority
- CN
- China
- Prior art keywords
- core
- pressing block
- accommodating space
- pipe body
- sealing
- Prior art date
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 238000003825 pressing Methods 0.000 claims description 37
- 238000000465 moulding Methods 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 19
- 238000007493 shaping process Methods 0.000 description 9
- 230000004308 accommodation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model is suitable for the technical field of pipeline sealing, and provides a sealing device for internal high pressure forming, which comprises a buckling block, an upper buckling block and a lower buckling block which are matched with each other, wherein the upper buckling block and the lower buckling block are combined to form an accommodating space; the pipe body is positioned in the accommodating space and is arranged in a hollow mode; the shape of the seal lining core is matched with the accommodating space, at least one limiting groove is formed in the seal lining core, a sealing element is installed in the limiting groove, and the seal lining core is located inside the pipe body. Therefore, the utility model discloses can effectively realize the combination of body and lining core, improve the end seal quality.
Description
Technical Field
The utility model relates to a pipeline shaping technical field especially relates to an interior high pressure sealing device for shaping.
Background
The internal high pressure forming is a plastic processing technology which takes liquid as a pressure transmission medium, transmits the internal pressure load to the material and leads the material to generate plastic deformation until the material is jointed with a mould after the internal pressure load exceeds the yield strength of the material. The method is mainly used for forming the pipe fittings and is increasingly widely applied in recent years.
In the internal high-pressure forming process, the pressure can reach 400 MPa. The sealing properties of the end of the tube body under high pressure have a significant effect on the final formation. The sealing mode adopted at present is mainly that a pushing head and a die are extruded to form sealing, corresponding matching surfaces are required to be machined in the die, the die is complicated, and the sealing part is easy to wear.
Generally, a static seal based on profile matching is generated after the push head is contacted with the end part of the pipe body. The level of sealing should be greater than or equal to the level of sealing permitted by the liquid pressure. If the sealing level is not sufficient, the molding medium can flow out, resulting in pressure loss.
At present, most of push heads are circular in cross section, so that the sealing of the pipe body in the machining process is realized. When the terminal surface of body is the special-shaped cross section, need increase the changeover portion and realize sealed, can lead to the shape of changeover portion complicated like this on the one hand, on the other hand also can cause the waste of material.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To foretell defect, the utility model aims to provide an interior high-pressure sealing device for shaping, it can effectively improve the sealing quality of body and lining core, reduces sealed cost.
In order to achieve the above object, the utility model provides an interior high-pressure sealing device for shaping, include: the buckling and pressing block comprises an upper buckling and pressing block and a lower buckling and pressing block which are matched, and the upper buckling and pressing block and the lower buckling and pressing block are combined to form an accommodating space; the pipe body is positioned in the accommodating space and is arranged in a hollow mode; the shape of the seal lining core is matched with the accommodating space, at least one limiting groove is formed in the seal lining core, a sealing element is installed in the limiting groove, and the seal lining core is located inside the pipe body.
According to the utility model discloses a sealing device for interior high-pressure molding, accommodation space is cross accommodation space, just cross accommodation space symmetric distribution is at last briquetting of detaining and detains the briquetting down.
According to the utility model discloses a sealing device for interior high-pressure molding, the sealed core of lining includes left core and right core, just left side core diameter is greater than right core diameter, the spacing groove is located left core.
According to the utility model discloses an interior high-pressure sealing device for shaping, the gasket core diameter is less than the body internal diameter, gasket core girth is greater than the body girth.
According to the utility model discloses a sealing device for interior high-pressure molding, the spacing groove is provided with two along sealed lining core axial, just sealing member thickness is greater than the spacing groove degree of depth.
According to the utility model discloses a sealing device for interior high-pressure molding, the sealing member is the rubber circle.
According to the utility model discloses a sealing device for interior high-pressure molding, it is the movable block to detain the briquetting on, it is the fixed block to detain the briquetting down.
According to the utility model discloses a sealing device for interior high-pressure molding, on detain the briquetting and detain the through-hole that is equipped with the symmetry down on the briquetting.
The utility model provides an interior high-pressure sealing device for shaping, include: the buckling and pressing block comprises an upper buckling and pressing block and a lower buckling and pressing block which are matched, the upper buckling and pressing block and the lower buckling and pressing block are combined to form an accommodating space, effective bearing on the pipe body is realized through the accommodating space, and the pipe body and the lining core are conveniently and effectively sealed in the subsequent extrusion process; the pipe body is positioned in the accommodating space and is arranged in a hollow mode, and effective sealing extrusion with the lining core can be realized subsequently through the hollow pipe body, so that the extrusion quality is improved; the shape of the seal lining core is matched with the accommodating space, at least one limiting groove is formed in the seal lining core, a sealing element is installed in the limiting groove, the seal lining core is located inside the pipe body, the sealing performance after extrusion between the lining core and the pipe body is enhanced through the sealing element, and the working efficiency and the extrusion quality are improved. The utility model has the advantages that: the effective extrusion sealing of the pipe body and the lining core is realized through the buckling block, the sealing quality of the pipe body and the lining core is improved, meanwhile, the sealing element is used for guaranteeing the airtightness between the sealed pipe body and the lining core, and the working quality and the working efficiency are improved.
Drawings
FIG. 1 is a schematic structural view of an upper button pressing block of the present invention;
FIG. 2 is a schematic structural view of the middle lower buckle pressing block of the present invention;
FIG. 3 is a schematic structural view of a gasket core of the present invention;
FIG. 4 is a cross-sectional view of a gasket core of the present invention;
fig. 5 is a schematic structural diagram of the present invention;
fig. 6 is a cross-sectional view of the present invention;
in the figure, 1-an upper buckling press block, 11-a through hole, 21-an upper containing space, 22-a lower containing space, 3-a lower buckling press block, 4-a sealing lining core, 41-a left lining core, 42-a right lining core, 5-a limiting groove and 6-a pipe body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the utility model provides an interior high-pressure sealing device for shaping, include: the buckling and pressing block comprises an upper buckling and pressing block 1 and a lower buckling and pressing block 3 which are matched, the upper buckling and pressing block 1 and the lower buckling and pressing block 3 are combined to form an accommodating space, effective bearing of the pipe body 6 is achieved through the accommodating space, and effective sealing of the pipe body 6 and the lining core is facilitated in the subsequent extrusion process; the pipe body 6 is positioned in the accommodating space, the pipe body 6 is arranged in a hollow mode, and the pipe body 6 arranged in the hollow mode guarantees that effective sealing extrusion can be achieved between the pipe body and the lining core subsequently, and extrusion quality is improved; the shape of the seal lining core 4 is matched with the accommodating space, at least one limiting groove 5 is formed in the seal lining core 4, a sealing element is installed in the limiting groove 5, the seal lining core 4 is located inside the pipe body 6, the sealing performance after extrusion between the lining core and the pipe body 6 is enhanced through the sealing element, and the working efficiency and the extrusion quality are improved.
Preferably, the utility model discloses an accommodation space is cross accommodation space, just cross accommodation space symmetric distribution is at last briquetting 1 of detaining and detain briquetting 3 down, through detached cross accommodation space, makes it realize moving the matching in-process, can effectively extrude body 6, makes it realize airtight contact with the lining core and seals.
In addition, as shown in fig. 3 ~ 4, the utility model discloses a sealed bushing core 4 includes left bushing core 41 and right bushing core 42, just left side bushing core 41 diameter is greater than right bushing core 42 diameter, spacing groove 5 is located left bushing core 41, through left bushing core 41 realize with the sealed of body 6, utilize right bushing core 42 to realize the effective connection between body 6 and the bushing core simultaneously, be convenient for subsequent equipment.
Further, the utility model discloses a 4 diameters of seal bush core are less than 6 internal diameters of body, 4 girths of seal bush core are greater than 6 girths of body, guarantee that seal bush core 4 can place in 6 inside of bodies, can also guarantee the effective extrusion seal shaping of seal bush core 4 and body 6, improve its sealing quality.
Better, the utility model discloses a spacing groove 5 is provided with two along 4 axial of seal bush core, just sealing member thickness is greater than the 5 degree of depth of spacing groove, improves the seal between body 6 and the seal bush core 4 through outstanding sealing member, and then guarantees the effective sealing connection of body 6 and seal bush core 4, improves connection quality.
The utility model discloses in the implementation: as shown in fig. 5 to 6, the upper buckling pressing block 1 is a movable block, the lower buckling pressing block 3 is a fixed block, the pipe body 6 to be sealed is placed on the lower buckling pressing block 3, the sealing lining core 4 is placed inside the pipe body 6, the sealing lining core 4 is matched with the accommodating space, the upper buckling pressing block 1 is moved downwards, the distance between the upper buckling pressing block and the lower buckling pressing block 3 is shortened, effective extrusion forming of the pipe body 6 and the sealing lining core 4 is achieved, effective sealing of the pipe body 6 and the sealing lining core 4 is achieved, and the addition of a transition section is reduced, so that cost is reduced. The accommodating space adopts the form of an upper accommodating space 21 and a lower accommodating space 22, is respectively positioned on the upper buckling block 1 and the lower buckling block 3, and realizes effective sealing of the pipe body 6 and the seal lining core 4 through the accommodating space matched with the cross seal lining core 4. The sealing member is a rubber ring, so that the tightness between the pipe body 6 and the seal lining core 4 can be effectively realized, and the tightness quality is improved. The upper buckling block 1 and the lower buckling block 3 are provided with symmetrical through holes 11, the position relation between the upper buckling block 1 and the lower buckling block 3 is realized through the through holes 11, and the effective movement of the upper buckling block 1 and the stability of the lower buckling block 3 are ensured.
To sum up, the utility model provides an interior high-pressure sealing device for shaping, include: the buckling and pressing block comprises an upper buckling and pressing block and a lower buckling and pressing block which are matched, the upper buckling and pressing block and the lower buckling and pressing block are combined to form an accommodating space, effective bearing on the pipe body is realized through the accommodating space, and the pipe body and the lining core are conveniently and effectively sealed in the subsequent extrusion process; the pipe body is positioned in the accommodating space and is arranged in a hollow mode, and effective sealing extrusion with the lining core can be realized subsequently through the hollow pipe body, so that the extrusion quality is improved; the shape of the seal lining core is matched with the accommodating space, at least one limiting groove is formed in the seal lining core, a sealing element is installed in the limiting groove, the seal lining core is located inside the pipe body, the sealing performance after extrusion between the lining core and the pipe body is enhanced through the sealing element, and the working efficiency and the extrusion quality are improved. The utility model has the advantages that: the effective extrusion sealing of the pipe body and the lining core is realized through the buckling block, the sealing quality of the pipe body and the lining core is improved, meanwhile, the sealing element is used for guaranteeing the airtightness between the sealed pipe body and the lining core, and the working quality and the working efficiency are improved.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (8)
1. A sealing device for internal high pressure molding, comprising:
the buckling and pressing block comprises an upper buckling and pressing block and a lower buckling and pressing block which are matched, and the upper buckling and pressing block and the lower buckling and pressing block are combined to form an accommodating space;
the pipe body is positioned in the accommodating space and is arranged in a hollow mode;
the shape of the seal lining core is matched with the accommodating space, at least one limiting groove is formed in the seal lining core, a sealing element is installed in the limiting groove, and the seal lining core is located inside the pipe body.
2. The sealing device for internal high pressure forming according to claim 1, wherein the accommodating space is a cross-shaped accommodating space, and the cross-shaped accommodating space is symmetrically distributed on the upper buckling pressing block and the lower buckling pressing block.
3. The sealing device for internal high pressure forming according to claim 1 or 2, wherein the gasket core comprises a left core and a right core, the diameter of the left core is larger than that of the right core, and the limiting groove is located on the left core.
4. The seal assembly for internal high pressure forming of claim 3, wherein the diameter of the gasket core is smaller than the inner diameter of the pipe body, and the perimeter of the gasket core is larger than the perimeter of the pipe body.
5. The sealing device for internal high pressure forming according to claim 3, wherein the two limiting grooves are arranged along the axial direction of the gasket core, and the thickness of the sealing element is larger than the depth of the limiting groove.
6. The sealing device for internal high pressure forming according to claim 5, wherein the sealing member is a rubber ring.
7. The sealing device for internal high pressure forming according to claim 1, wherein the upper lock pressing block is a movable block, and the lower lock pressing block is a fixed block.
8. The sealing device for internal high pressure molding according to claim 1, wherein the upper and lower crimping blocks are provided with symmetrical through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075291.4U CN214022877U (en) | 2020-09-21 | 2020-09-21 | Sealing device for internal high-pressure forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075291.4U CN214022877U (en) | 2020-09-21 | 2020-09-21 | Sealing device for internal high-pressure forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214022877U true CN214022877U (en) | 2021-08-24 |
Family
ID=77350139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075291.4U Active CN214022877U (en) | 2020-09-21 | 2020-09-21 | Sealing device for internal high-pressure forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214022877U (en) |
-
2020
- 2020-09-21 CN CN202022075291.4U patent/CN214022877U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1363434A (en) | Expansion shaping technology using soild particles as pressure transfer medium for metallic pipe | |
| CN112705577B (en) | One-time forming method for valve body and valve pipe of ball valve | |
| CN214022877U (en) | Sealing device for internal high-pressure forming | |
| CN111014417B (en) | Flanging type pipe liquid filling forming sealing device and method | |
| CN203649090U (en) | Engine air inlet pipe compression tool | |
| CN218094831U (en) | Compression molding sealed rubber pipe joint | |
| CN215334433U (en) | An embedded graphite metal micro gasket structure | |
| CN214197646U (en) | High-pressure joint for fuel cell automobile | |
| CN202215742U (en) | Metal vermiculite composite sealing gasket | |
| CN214391859U (en) | Water expansion forming device | |
| CN215355979U (en) | 24 awl cold-heading forming die structure | |
| CN211727133U (en) | Water of general steel pipe quick die change rises mould die holder | |
| CN212107082U (en) | Sanitary-grade composite valve seat sealing ring | |
| CN111558645B (en) | Method and device for forming part by conical rubber cylinder | |
| CN111872212B (en) | Pipe sealing method | |
| CN220005655U (en) | Structure for preventing product materials from extruding into gaps | |
| CN216618922U (en) | 84-degree sealing conical boss metal joint for vehicle brake hose assembly | |
| CN203124510U (en) | Hydraulic volume control molding device for metal bellows | |
| CN210082498U (en) | Hard mould extension structure suitable for cold isostatic pressing | |
| CN217177387U (en) | Special-shaped sealing ring | |
| CN220968275U (en) | Filter with filter screen not easy to misplace | |
| CN217343067U (en) | Water rises pre-compaction crowded material and glues seal mould | |
| CN214773316U (en) | Sealing structure of equal-pressure forming die for 30 MPa-resistant high-pressure PTFE liner | |
| CN103071710A (en) | Hydraulic volume control forming device for metal corrugated pipe | |
| CN217951590U (en) | New energy automobile cooling pipeline quick-operation joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |