CN206169022U - Screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts - Google Patents
Screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts Download PDFInfo
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- CN206169022U CN206169022U CN201621266248.3U CN201621266248U CN206169022U CN 206169022 U CN206169022 U CN 206169022U CN 201621266248 U CN201621266248 U CN 201621266248U CN 206169022 U CN206169022 U CN 206169022U
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- hair
- plug
- high voltage
- screw
- somebody
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Abstract
The utility model discloses a screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts, including the end cap, cut somebody's hair, nut, hex bolts, sealing rubber circle I and sealing rubber circle II, the hex bolts be connected as an organic wholely with the end cap, the end cap surface be equipped with the external screw thread, the front end of cutting somebody's hair be equipped with the top and the interior recess wall that cuts somebody's hair, the top set up as the arc -shaped who passes through gradually, cut somebody's hair and pass the inside of hex bolts and end cap, the end cap front end be equipped with sealing rubber circle I, the end cap rear portion be close to hex bolts department circumference and be equipped with the nut in proper order and enclose II with sealing rubber. The utility model discloses sealing device provides reliable powerful guarantee for internal high -pressure forming from the design of a plurality of angles. Also can provide axial thrust at the fashioned in -process of pipe fitting, ensure that the pipe fitting improves the mobility of material at fashioned in -process, avoid appearing the inhomogeneity of wall thickness condition such as corrugate of sparing, break simultaneously.
Description
Technical field
This utility model is related to a kind of inner high voltage field shaping technique, more particularly to a kind of screw-type inner high voltage molding is pushed
Sealing device.
Background technology
Inner high voltage forming technique, hydroforming or Hydraulic shaping, is that one kind uses fluid as shaping medium, by control
Pressure and material flow to reach the material forming technique of shaped hollow part purpose in system.Internal high pressure forming pipe fitting light weight,
Good product quality, and product design is flexibly, technical process is simple and direct, while and with near-net-shape and the features such as green manufacturing.
Corresponding Internal High-pressure Forming Equipment includes mould, pressing device and Hydrodynamic unit, and usual mould includes mold and lower mould,
Mold cavity is formed after engaging at die joint.Plus man-hour, pipe is put into the cavity portion of lower mould, then transfers mold, will
Pipe is constrained in die cavity.Cut somebody's hair positioned at each one of pipe two ends and withstand pipe respective end, there is provided pipe axial force, the axial direction
Power is used for feed supplement.What inner high voltage forming technique was relied on be it is intrinsic pressure make pipe fitting bulging, then reach adherent, mold various tube walls knot
The pipe fitting of structure.Therefore, in inner high voltage forming technique, sealing device will play vital effect.Traditional sealing device
What is often relied on is the sealing rubber ring on cutting somebody's hair, it is easy to leaked air, and there is also intrinsic pressure situation about not reaching.
As Chinese patent CN105344791A discloses a kind of stopper structure for inner high voltage molding, including one end and pusher
The connected connecting rod of cylinder, the periphery and the first plug portion for being engaged with pipe die cavity that are sleeved on the connecting rod other end and the
Two plug portions, the cavity between the first plug portion and the second plug portion is embedded with soft sealing pad, by preparing soft sealing pad
Improve wearability, corrosion resistance of sealing gasket etc. and reach sealing effectiveness.
The effect for reaching only is sealed by sealing gasket or sealing rubber ring unsatisfactory, it is therefore desirable to enterprising from other structures
Row improves to realize the sealing of abundance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of screw-type inner high voltage molding pushes close
Seal apparatus, from multiple angle design sealing devices, for inner high voltage molding reliable powerful guarantee are provided.In the process of formation of tubes
In axial thrust also can be provided, it is ensured that pipe fitting improves the mobility of material during molding, while avoiding the occurrence of wall thickness
Situations such as uneven, rupture wrinkles.
For achieving the above object, this utility model adopts following technical proposals:
A kind of screw-type inner high voltage molding pushes sealing device, including plug, cut somebody's hair, nut, hex bolts, caulking gum
Circle I and sealing rubber ring II, described hex bolts is connected as one with plug;Described plug surface is provided with external screw thread, institute
The front end of cutting somebody's hair stated is provided with top and inner concave wall of cutting somebody's hair, and described top is set to the circular arc type of gradually transition;Described cuts somebody's hair
Through hex bolts and the inside of plug, described plug front end is provided with sealing rubber ring I, and described plug rear portion is near hexagonal
Nut and sealing rubber ring II are circumferentially sequentially provided with bolt.
Further, described inside of cutting somebody's hair is provided with telescoping cylinder, and realization is cut somebody's hair scalable.
Further, described nut interior is provided with female thread, and described nut can be with rotary moving on plug.
Further, described nut is two.
Further, described cutting somebody's hair between plug is sliding contact.
Further, external diameter of the external diameter of described sealing rubber ring I more than sealing rubber ring II.
Further, described inside of cutting somebody's hair is provided with pipeline.
Further, described rear end connection high-pressure water pipe of cutting somebody's hair, high-pressure water pipe accesses inner high voltage molding liquid.
A kind of screw-type inner high voltage molding of the present utility model pushes sealing device and can realize that level Four is sealed, and plug is entered
During to the certain position of internal high pressure forming die, tighten nut, by sealing rubber ring I be adjacent to internal high pressure forming die left side cylinder and
Right side cylinder outside, forms first order sealing.
The external screw thread of plug is engaged with the female thread of left side cylinder and right side cylinder, also plays vital sealing and makees
With.It is sliding contact to cut somebody's hair between plug, and plug front end is provided with sealing rubber ring II, forms second level sealing.
The cut somebody's hair top on top is set to the circular arc type of gradually transition, when pipe fitting with linear contact lay, shape are formed when cutting somebody's hair and contacting
Into third level sealing.
Constantly expand when pipe fitting is subject to intrinsic pressure, in this process pipe fitting is gradually moved up along circular arc, and
Be not in intense contact, it is to avoid the appearance of big gap, considerably increase sealing.When pipe fitting is contacted with inner concave wall of cutting somebody's hair
When, it is intrinsic pressure to compress pipe fitting with inner concave wall of cutting somebody's hair, form fourth stage sealing.
The beneficial effects of the utility model:
1st, gradually transition type contacts sealing with pipe fitting contact area setting circular arc to will push against device, during molding,
Will not occur the fierce movement of contact position because of the bulging of pipe fitting;
2nd, plug adds sealing rubber ring not only good sealing effect, and after pressing device can also be prevented under high voltage intensity
Move, the phenomenon of even wall unevenness, corrugation, rupture occur so as to avoid inner high voltage moulding pipe;
3rd, axial thrust can be also provided during formation of tubes, it is ensured that pipe fitting improves material during molding
Mobility.
Description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is top structure schematic diagram of the present utility model;
Fig. 3 is internal high pressure forming die schematic diagram;
Wherein, 1- high-pressure water pipe, 2- hex bolts, 3- nuts, 4- sealing rubber ring I, 5- plugs, 6- cuts somebody's hair, 7- tops,
8- sealing rubber ring II, 9- upper padding plates, 10- upper cavities, 11- lower bolsters, 12- lower mode cavities, 13- left sides cylinder, 14- right sides cylinder, 15-
Transition arc contact area, 16- cuts somebody's hair inner concave wall.
Specific embodiment
This utility model is described in detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of screw-type inner high voltage molding pushes sealing device, including plug 5,6, nut 3, hexagonal of cutting somebody's hair
Bolt 2, sealing rubber ring I4 and sealing rubber ring II8, described hex bolts 2 is connected as one with stifled 5;Described plug
5 surfaces are provided with external screw thread, and described 6 front ends of cutting somebody's hair are provided with top 7 and inner concave wall 16 of cutting somebody's hair, and described top 7 is set to gradually
The circular arc type of transition;Described cuts somebody's hair 6 through hex bolts 2 and the inside of plug 5, and the described front end of plug 5 is provided with sealing rubber
Cushion rubber I4, the described rear portion of plug 5 is circumferentially sequentially provided with nut 3 and sealing rubber ring II8 at hex bolts 2.
Further, described cutting somebody's hair be provided with telescoping cylinder inside 6, and realization is cut somebody's hair scalable.
Further, female thread is provided with inside described nut 3, described nut 3 can be with rotary moving on plug 5.
Further, described nut 3 is two.
Further, described cutting somebody's hair between 6 and plug 5 is sliding contact.
Further, external diameter of the external diameter of described sealing rubber ring I4 more than sealing rubber ring II8.
Further, described cutting somebody's hair be provided with pipeline inside 6.
Further, described 6 rear ends connection high-pressure water pipe 1 of cutting somebody's hair, high-pressure water pipe 1 accesses inner high voltage molding liquid.
A kind of screw-type inner high voltage molding of the present utility model pushes sealing device and can realize that level Four is sealed, and plug 5 enters
When entering to the certain position of internal high pressure forming die, nut 3 is tightened, sealing rubber ring I4 is adjacent to into a left side for internal high pressure forming die
Side cylinder 13 and the outside of right side cylinder 14, form first order sealing.
As shown in figure 3, the inside of the left side cylinder 13 of internally pressuring shaping mould and right side cylinder 14 is provided with female thread.Outside plug 5
Screw thread is engaged with the female thread of left side cylinder 13 and right side cylinder 14, also plays vital sealing function.Work as pressing device
When entering into definite position, 6 meetings of cutting somebody's hair are toward external extension, there is provided the thrust in inner high voltage forming process, cut somebody's hair 6 and plug
It is sliding contact between 5, the front end of plug 5 is provided with sealing rubber ring II8, forms second level sealing.
As shown in Fig. 2 the top 7 on 6 tops of cutting somebody's hair is set to the circular arc type of gradually transition, and during molding, will not
There is the fierce movement of contact position because of the bulging of pipe fitting, when pipe fitting with cut somebody's hair 6 contact when form linear contact lay, define
Three-level is sealed.
Constantly expand when pipe fitting is subject to intrinsic pressure, in this process pipe fitting is gradually moved up along circular arc, and
Be not in intense contact, it is to avoid the appearance of big gap, considerably increase sealing.When pipe fitting it is complete with inner concave wall 16 of cutting somebody's hair
It is intrinsic pressure to compress pipe fitting with inner concave wall 16 of cutting somebody's hair during contact, form fourth stage sealing.
Plug adds sealing rubber ring not only good sealing effect, and after pressing device can also be prevented under high voltage intensity
Move, the phenomenon of even wall unevenness, corrugation, rupture occur so as to avoid inner high voltage moulding pipe;During formation of tubes
Axial thrust can be provided, it is ensured that pipe fitting improves the mobility of material during molding.This utility model is from multiple angles
Design sealing device, for inner high voltage molding reliable powerful guarantee is provided.
It is not new to this practicality although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (8)
1. a kind of screw-type inner high voltage molding pushes sealing device, it is characterised in that including plug, cut somebody's hair, nut, hexagonal spiral shell
Bolt, sealing rubber ring I and sealing rubber ring II, described hex bolts is connected as one with plug;Described plug surface sets
There is external screw thread, described front end of cutting somebody's hair is provided with top and inner concave wall of cutting somebody's hair, and described top is set to the circular arc type of gradually transition;
The described inside cut somebody's hair through hex bolts and plug, described plug front end is provided with sealing rubber ring I, after described plug
Portion is circumferentially sequentially provided with nut and sealing rubber ring II at hex bolts.
2. a kind of screw-type inner high voltage molding as claimed in claim 1 pushes sealing device, it is characterised in that described cuts somebody's hair
Inside is provided with telescoping cylinder.
3. a kind of screw-type inner high voltage molding as claimed in claim 1 pushes sealing device, it is characterised in that described nut
Inside is provided with female thread, and described nut can be with rotary moving on plug.
4. a kind of screw-type inner high voltage molding as claimed in claim 3 pushes sealing device, it is characterised in that described nut
For two.
5. a kind of screw-type inner high voltage molding as claimed in claim 1 pushes sealing device, it is characterised in that described cuts somebody's hair
It is sliding contact between plug.
6. a kind of screw-type inner high voltage molding as claimed in claim 1 pushes sealing device, it is characterised in that described sealing
External diameter of the external diameter of rubber ring I more than sealing rubber ring II.
7. a kind of screw-type inner high voltage molding as claimed in claim 1 pushes sealing device, it is characterised in that described cuts somebody's hair
Inside is provided with pipeline.
8. a kind of screw-type inner high voltage molding as claimed in claim 7 pushes sealing device, it is characterised in that described cuts somebody's hair
Rear end connects high-pressure water pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621266248.3U CN206169022U (en) | 2016-11-21 | 2016-11-21 | Screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621266248.3U CN206169022U (en) | 2016-11-21 | 2016-11-21 | Screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts |
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Publication Number | Publication Date |
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CN206169022U true CN206169022U (en) | 2017-05-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621266248.3U Expired - Fee Related CN206169022U (en) | 2016-11-21 | 2016-11-21 | Screw thread formula internal high -pressure forming pushes away compacting encapsulation and puts |
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CN (1) | CN206169022U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106623581A (en) * | 2016-11-21 | 2017-05-10 | 济南大学 | Threaded type push-press sealing device for hydroforming |
-
2016
- 2016-11-21 CN CN201621266248.3U patent/CN206169022U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106623581A (en) * | 2016-11-21 | 2017-05-10 | 济南大学 | Threaded type push-press sealing device for hydroforming |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171121 |