CN206392668U - A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair - Google Patents
A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair Download PDFInfo
- Publication number
- CN206392668U CN206392668U CN201720045810.8U CN201720045810U CN206392668U CN 206392668 U CN206392668 U CN 206392668U CN 201720045810 U CN201720045810 U CN 201720045810U CN 206392668 U CN206392668 U CN 206392668U
- Authority
- CN
- China
- Prior art keywords
- hair
- diameter
- embedded rings
- embedded
- head
- 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.)
- Withdrawn - After Issue
Links
Abstract
A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair, including columned main body of cutting somebody's hair, body front end of cutting somebody's hair is insert seal head, including correcting head and insert seal section, correcting head diameter is less than pipe internal diameter, its front end sets rounding, rear end is insert seal section, insert seal section includes N and encloses embedded rings and N circle capaciting material grooves, embedded rings axial lengths at different levels are identical, equal difference increases diameter step by step, chopped-off head insertion ring diameter is more than correcting head diameter, and final stage insertion ring diameter is equal to main diameter of cutting somebody's hair, the gradient α of first, last level embedded rings external diameter1For 20 °~45 °；Backward recessed annular capaciting material groove, the section angle α between embedded rings and capaciting material groove at the same level are constituted between adjacent two-stage embedded rings2Less than 90 °.It is good with pipe end sealing that this is cut somebody's hair, and can avoid making pipe end radial dilatation cause correcting stuck in mold cavity because thrust produces radial load so that charging feed supplement is more smooth, evenly, beneficial to the shaping of pipe.
Description
Technical field
The utility model is related to a kind of high-pressure forming mold, more particularly to a kind of inner high voltage of embedded occlusion sealing structure
Shaping is cut somebody's hair.
Background technology
While forming high pressure in pipe is by being pressurizeed to tubing internal filled liquid, axially applies side-thrust and carry out feed supplement,
Force tube billet to fit to mold cavity under the pressure effect of pressure medium, realize a kind of technique of pipe shaping, it is managed
The pressure of material internal filled liquid pressurization is generally up to 100MPa-400MPa, and most formation of parts need to also be protected under its high pressure conditions
The packing state for holding a period of time can be only achieved preferable forming effect, so end sealing structure quality is for internal high pressure forming
Technique is most important, and can directly influence superelevation pressure condition realize, so that can have influence on tubing part forming reach expection
Effect.
Traditional end sealing is used is processed into circular conical surface by the cut somebody's hair front end face of main body of two ends, and circular conical surface is in responsive to axial force
It is pushed down into tube end face and realizes sealing, using such a sealing structure, there is problems with：
1. during main body press-in of cutting somebody's hair, often result in the increase of pipe feeding resistance or be stuck in mold cavity, make
Mould or cut somebody's hair abrasion, deformed damaged, the service life and the reliability of work for have a strong impact on mould, cutting somebody's hair；
2. easily causing the radial dilatation of the mouth of pipe using such a end sealing structure, so as to increase the difficulty of pipe feed supplement, lead
Tube wall is thinning when causing shaping or rupture, and situation severe patient will cause to cut somebody's hair directly stuck in mold cavity with pipe fitting.
3. sealing structure disclosed in Chinese patent CN101011715, one is to easily cause bulging at the pilot hole of two ends or so,
Two be that need to additionally set " with die cavity ", the structure of cutting somebody's hair of " pilot hole " using such a sealing structure, its complicated, manufacture of cutting somebody's hair
Manufacturability is poor, and manufacturing cost is high, and rubber is softer, because internal pressure is big, is very easy to abrasion, it is often necessary to change, not only
Increase cost, and lose time.
4. sealing structure disclosed in Chinese patent CN202097262U, is again provided with tapered sealing surface, though it is also equipped with
Thrust platform, but cut somebody's hair under big axial thrust effect, the pipe material that pipe end is contacted with thrust platform of cutting somebody's hair easily is collapsed,
At this moment due to the presence in conical surface seal face, the radial dilatation of the mouth of pipe can be equally caused during continuation of cutting somebody's hair is fed, is increased
The difficulty of pipe feed supplement, tube wall is thinning when causing to shape or ruptures；When there is mismachining tolerance in the heavy platform processing of the pipe end conical surface, due to
It is too deep that the pipe end conical surface sinks platform depth, mouth of pipe radial dilatation easily occurs and pipe end sinks platform depth and dives excessively and cause conical surface seal occur
Face seals not good situation.
The content of the invention
The purpose of this utility model is：It is used for for the shortcoming that above-mentioned existing structure is present there is provided one kind high in tubing
Pressing formation it is a kind of it is embedded occlusion sealing structure internal high pressure forming cut somebody's hair, with overcome present in prior art it is above-mentioned not
Foot.
Adopted the technical scheme that to solve above technical problem the utility model：A kind of embedded occlusion sealing structure
Internal high pressure forming is cut somebody's hair, including columned main body of cutting somebody's hair, and the body front end of cutting somebody's hair is insert seal head, including correcting head
With insert seal section, the correcting head is less than the cylinder of pipe internal diameter for diameter, and its front end is set after rounding, correcting head
Hold as insert seal section, insert seal section includes N and encloses embedded rings and N circle capaciting material grooves, and often circle is embedding for shared N grades of one-level
Enter ring and N grades of capaciting material grooves, embedded rings axial lengths at different levels are identical, equal difference increases diameter step by step from front to back, and chopped-off head embedded rings are straight
Footpath is more than correcting head cylinder diameter, and final stage insertion ring diameter is equal to main diameter of cutting somebody's hair, first, last level embedded rings external diameter formation
Gradient α1For 20 °~45 °；Backward recessed annular capaciting material groove, embedded rings and capaciting material groove at the same level are constituted between adjacent two-stage embedded rings
Between section angle α2Less than 90 °；Above-mentioned N numerical value is the arbitrary integer between 3~5.
Its further technical scheme is：Section angle α between the embedded rings at the same level and capaciting material groove2For 40 °~
60°。
Due to taking above technical scheme, a kind of internal high pressure forming of embedded occlusion sealing structure of the utility model is pushed away
Head has the advantages that：
1. because the correcting head for main body of cutting somebody's hair is that front end sets rounding, be conducive to guiding pipe to enter correcting head section of cutting somebody's hair,
Prevent traditional structure from the stuck phenomenon of correcting section occur because manufacture perpendicularity of cutting somebody's hair is bad；Correcting head is slightly smaller than pipe internal diameter
The face of cylinder, it can be ensured that axial side-thrust stepless action is in the pipe end of tubing two, while strengthening the sealing of insert seal section；
2. it is good with pipe end sealing to cut somebody's hair：The N circle embedded rings and N circle capaciting material grooves included due to insert seal section,
Each level length of embedded rings is identical, equal difference increases diameter step by step, and chopped-off head insertion ring diameter is more than correcting head cylinder diameter, and final stage is embedding
Enter ring diameter and be equal to cut somebody's hair main diameter, the gradient of first, last embedded rings external diameter formation is between 20 °~45 °, when cutting somebody's hair in hydraulic pressure
Under the thrust of cylinder during axial extruded tube end, the portion of material at the pipe pipe end conical surface is plastically deformed, and material, which is flowed into, to be held
Hopper, axial thrust stepless action can be provided in pipe port, the insertion for seal section of cutting somebody's hair when material flows into cut somebody's hair after capaciting material groove
Ring produces axial compression with the pipe end conical surface, and embedded rings tightly sting the tight pipe end conical surface in the presence of thrust, make pipe end tapered portion
Material occurs plastic deformation and is held into capaciting material groove formation multi-turn rigidity Contact Seal ring, good airproof performance；
3. simultaneously because material is held into the ring-type that capaciting material groove forms multi-turn in the plastic deformation that the pipe end conical surface is locally produced
Thrust groove, can produce the uniform axial force of multi-turn so that feed supplement is more uniform；Avoid under the continuous effect of thrust
Produce radial load and cause pipe end radial dilatation so that effectively eliminate pipe port expansion and it is stuck in mold cavity phenomenon, make
It must feed that feed supplement is more smooth, beneficial to the shaping of pipe；
3. in the presence of thrust cylinder, embedded rings can farthest press tubing pipe end with capaciting material groove, fully provide and push away
Power ensures that feed supplement smooth can be carried out, and the material formed in embedded occlusion thrust sealing ring enhancing sealing, capaciting material groove is in tubing
More fitted capaciting material groove and embedded rings under the pressure effect of portion's high pressure, self-locking closure is formed, so as to ensure that the pressure of internal high pressure
Power；
4. it is simple in construction, it is easily manufactured, it is safe and reliable, it is economical and practical.
With reference to the accompanying drawings and examples to a kind of embedded internal high pressure forming for being engaged sealing structure of the utility model
The technical characteristic cut somebody's hair is further described.
Brief description of the drawings
Fig. 1 cuts somebody's hair structural representation for a kind of internal high pressure forming of embedded occlusion sealing structure of the utility model；
Fig. 2 is Fig. 1 A portions enlarged drawing；
Fig. 3 cuts somebody's hair for a kind of internal high pressure forming of embedded occlusion sealing structure of the utility model and installs and uses state and show
It is intended to；
Fig. 4 is Fig. 3 B portions enlarged drawing；
In Fig. 1~Fig. 4：
1-main body of cutting somebody's hair, 10-correcting head, 101-rounding, 11-capaciting material groove, 12-embedded rings（Chopped-off head）, 13-
Embedded rings（Final stage）, 2-upper mould, 3-lower mould, 4-pipe；
In Fig. 5~Fig. 8：
Cut somebody's hair disclosed in 1-1-patent CN101011715 main body, cut somebody's hair master disclosed in 1-2-patent CN202097262U
Body, 2-go up mould, 4-pipe.
Embodiment
A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair, including columned main body 1 of cutting somebody's hair, described to cut somebody's hair
Body front end is insert seal head, including correcting first 10 and insert seal section, and correcting head is less than in pipe for diameter
The cylinder in footpath, its front end sets rounding 101, and the rear end of correcting head is insert seal section, and the insert seal section includes N
Embedded rings and N circle capaciting material grooves are enclosed, often circle has N grades of embedded rings and N grades of capaciting material grooves, embedded rings axial length phases at different levels for one-level
Equal difference increases same, diameter step by step from front to back, and the diameter of chopped-off head embedded rings 12 is more than correcting head cylinder diameter, final stage embedded rings 13
Diameter is equal to main diameter of cutting somebody's hair, the gradient α of first, last level embedded rings external diameter formation1For 20 °~45 °；Adjacent two-stage embedded rings it
Between constitute backward recessed annular capaciting material groove 11, the section angle α between embedded rings and capaciting material groove at the same level2Less than 90 °；
Above-mentioned N numerical value is the arbitrary integer between 3~5.
2. a kind of internal high pressure forming of embedded occlusion sealing structure as claimed in claim 1 is cut somebody's hair, it is characterised in that：
Section angle α between the embedded rings at the same level and capaciting material groove2For 40 °~60 °.
In the present embodiment：
1.N numerical value area 4, as 4 grades each circle embedded rings and 4 grades of capaciting material grooves；Cutting between embedded rings and capaciting material groove at the same level
Face angle α2For 47 °（As shown in Figure 1）.
2. described in correcting head diameter 0.05~0.10mm smaller than pipe internal diameter）, the segment length cut somebody's hair（That is axial length）For 2
~10mm, segment length's value is about the 10% of pipe external diameter but is not less than 2mm, is not more than 10mm；It is oblique that first, last embedded rings external diameter is formed
Spend for 40 °.
Note：
The segment length cut somebody's hair：Refer to the axial length cut somebody's hair；
Chopped-off head embedded rings：Refer to and be located at the front end first lap embedded rings adjacent with correcting of cutting somebody's hair；
Final stage embedded rings：Refer to the circle embedded rings for being located at rearmost end of cutting somebody's hair（It is consistent with body outer diameter of cutting somebody's hair）；
The gradient of first, last embedded rings external diameter formation：Refer to cut somebody's hair main body excircle and chopped-off head embedded rings excircle same point
The angle α that line and main body of cutting somebody's hair are axially formed1（Referring to accompanying drawing 1）；
Section angle between embedded rings and capaciting material groove at the same level：Finger cuts somebody's hair main body when splitting vertically, embedded rings section
Excircle horizontal line and the angle α with the backward recessed oblique line formation in one-level capaciting material groove section2（Referring to accompanying drawing 2）.
Claims (2)
1. a kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair, including columned main body of cutting somebody's hair（1）, its feature exists
In：
The body front end of cutting somebody's hair is insert seal head, including correcting head（10）With insert seal section, the correcting head is
Diameter is less than the cylinder of pipe internal diameter, and its front end sets rounding（101）, the rear end of correcting head is insert seal section, described
Insert seal section includes N and encloses embedded rings and N circle capaciting material grooves, and often circle has N grades of embedded rings and N grades of capaciting material grooves for one-level, at different levels
Embedded rings axial length is identical, equal difference increases diameter step by step from front to back, chopped-off head embedded rings（12）Diameter is more than correcting head cylinder
Body diameter, final stage embedded rings（13）Diameter is equal to main diameter of cutting somebody's hair, the gradient α of first, last level embedded rings external diameter formation1For 20 °
~45 °；Backward recessed annular capaciting material groove is constituted between adjacent two-stage embedded rings（11）, cutting between embedded rings and capaciting material groove at the same level
Face angle α2Less than 90 °；
Above-mentioned N numerical value is the arbitrary integer between 3~5.
2. a kind of internal high pressure forming of embedded occlusion sealing structure as claimed in claim 1 is cut somebody's hair, it is characterised in that：It is described
Section angle α between embedded rings and capaciting material groove at the same level2For 40 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045810.8U CN206392668U (en) | 2017-01-16 | 2017-01-16 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045810.8U CN206392668U (en) | 2017-01-16 | 2017-01-16 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206392668U true CN206392668U (en) | 2017-08-11 |
Family
ID=59519835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720045810.8U Withdrawn - After Issue CN206392668U (en) | 2017-01-16 | 2017-01-16 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206392668U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862360A (en) * | 2017-01-16 | 2017-06-20 | 柳州科瑞科技有限公司 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
| CN109570379A (en) * | 2018-12-27 | 2019-04-05 | 广东永强奥林宝国际消防汽车有限公司 | A kind of Sheet Metal Forming Technology of pot body closing end stamping die and pot body closing end |
| CN112108555A (en) * | 2020-07-27 | 2020-12-22 | 佛山市永恒液压机械有限公司 | Clamping and pressing pipe forming method through clamping and pressing pipe equipment |
| CN112157161A (en) * | 2020-09-21 | 2021-01-01 | 山东交通学院 | Internal high pressure forming push head |
-
2017
- 2017-01-16 CN CN201720045810.8U patent/CN206392668U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862360A (en) * | 2017-01-16 | 2017-06-20 | 柳州科瑞科技有限公司 | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair |
| CN109570379A (en) * | 2018-12-27 | 2019-04-05 | 广东永强奥林宝国际消防汽车有限公司 | A kind of Sheet Metal Forming Technology of pot body closing end stamping die and pot body closing end |
| CN109570379B (en) * | 2018-12-27 | 2024-05-14 | 广东永强奥林宝国际消防汽车有限公司 | Stamping die for tank body seal head and stamping process for tank body seal head |
| CN112108555A (en) * | 2020-07-27 | 2020-12-22 | 佛山市永恒液压机械有限公司 | Clamping and pressing pipe forming method through clamping and pressing pipe equipment |
| CN112108555B (en) * | 2020-07-27 | 2022-04-15 | 佛山市永恒液压机械有限公司 | Clamping and pressing pipe forming method through clamping and pressing pipe equipment |
| CN112157161A (en) * | 2020-09-21 | 2021-01-01 | 山东交通学院 | Internal high pressure forming push head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207634064U (en) | A kind of reinforcing anchoring sealing bridge plug | |
| CN206392668U (en) | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair | |
| CN104338818B (en) | A kind of internal high pressure forming equipment | |
| CN102921792B (en) | Composite inner and outer hydraulic pressure forming method for high-branch height thin-wall three-way pipe | |
| CN202097262U (en) | Push head structure for sealing pipe end of novel tube stock liquid charging forming pipe | |
| CN112975308B (en) | Processing technology for extrusion molding of pipe end with sealing groove | |
| CN106853473A (en) | A kind of zigzag for forming high pressure in pipe is cut somebody's hair | |
| CN105234242B (en) | Rubber pocket hydroforming equipment in one kind pipe | |
| CN103934346A (en) | Technology of manufacturing seamless inclined three-way steel pipe fitting in cold-extrusion mode | |
| CN105855350A (en) | Thin-wall metal pipe impact hydraulic forming method and device | |
| CN106623579B (en) | Interior high-pressure molding pressing device | |
| CN106862360B (en) | A kind of internal high pressure forming of embedded occlusion sealing structure is cut somebody's hair | |
| CN206316212U (en) | A kind of zigzag for forming high pressure in pipe is cut somebody's hair | |
| CN208083148U (en) | A kind of staged ram head for pipe end high pressure sealing | |
| CN210343301U (en) | Improved bridge plug central shaft and improved bridge plug | |
| CN206199962U (en) | Inner high voltage is molded pressing device | |
| CN206951917U (en) | A kind of sawtooth pattern for sealing pipeline port is cut somebody's hair structure | |
| CN106378376B (en) | A kind of multistage sealing device of interior high-pressure molding | |
| CN103537507B (en) | A kind of hollow outward flange part mold for extruding and forming and punch thereof | |
| CN207266986U (en) | Hydraulic-bend molding machine | |
| CN105499418A (en) | Necking device of ultrathin-wall cylindrical part and application method of necking device | |
| CN206382396U (en) | High-pressure dynamic seal device | |
| CN201175724Y (en) | Seamless four-way cold extrusion molding device | |
| CN206169021U (en) | Multistage sealing device of internal high -pressure forming | |
| CN201659188U (en) | Sealing punch of internal high pressure forming tube end part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20180612 |
|
| AV01 | Patent right actively abandoned |