CN202241920U - Finish mold component for double-wall corrugated pipe - Google Patents
Finish mold component for double-wall corrugated pipe Download PDFInfo
- Publication number
- CN202241920U CN202241920U CN2011203890276U CN201120389027U CN202241920U CN 202241920 U CN202241920 U CN 202241920U CN 2011203890276 U CN2011203890276 U CN 2011203890276U CN 201120389027 U CN201120389027 U CN 201120389027U CN 202241920 U CN202241920 U CN 202241920U
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- Prior art keywords
- wall
- runner
- plug
- mouth
- double
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Abstract
A finish mold component for a double-wall corrugated pipe comprises an outer wall finish mold transition sleeve, an outer wall finish mold, an outer wall core rod transition sleeve, an inner wall core rod and a core rod finish mold component, wherein the core rod finish mold component is positioned between the outer wall core rod transition sleeve and the inner wall core rod and connected to the outer wall core rod transition sleeve; an outer wall runner of the double-wall corrugated pipe is formed by a ring-shaped gap between the inner wall surfaces of the outer wall finish mold transition sleeve and the outer wall finish mold and the outer wall surfaces of the outer wall core rod transition sleeve and the core rod finish mold component; an inner wall runner of the double-wall corrugated pipe is formed by a ring-shaped gap between the inner wall surface of the core rod finish mold component and the outer wall surface of the inner wall core rod; the discharge opening of the inner wall runner is close to that of the outer wall runner, so that the chemical and physical conditions of inner wall and outer wall materials discharged from the two discharge openings are much similar; the inner wall material and the outer wall material are not cool when bonded, thereby having higher bonding strength; and when recovered plastic is used to produce the corrugated pipe, the favorable bonding strength of the inner wall and the outer wall of the corrugated pipe can still be guaranteed.
Description
Technical field
the utility model belongs to the production equipment technical field of plastic pipe, particularly a kind of mouth mould parts of bellows.
Background technology
are present, and in various structure tube walls, plastic double-walled corrugated pipe has more and more been used owing to have advantages such as ring stiffness height, easy construction, cost are lower widely, and the structure of double-wall corrugated pipe is shown in accompanying drawing 3.Double-wall corrugated pipe in process of production; Because the discharging opening of traditional mouth mould parts outer wall runner and the discharging opening distance in the axial direction of inwall runner are far; Shown in accompanying drawing 2; And the outer wall runner after, the inwall runner is preceding, like this when the inwall of the double-wall corrugated tubing products of the trough of the double-wall corrugated tubing products of outer wall runner institute moulding and the moulding of inwall runner is bonding; Because it is poor that the distance on the two discharging opening spaces causes from the discharging meeting formation time of the discharging opening of the discharging opening of outer wall runner and inwall runner; The trough that the material that comes out from the discharging opening of outer wall runner gets into the bellows outer wall that the module of forcing the state of cooling forms has cooled off a period of time and has got into coolant jacket from the inwall that the discharging opening of inwall runner comes out and still be in molten state, because therefore the transition temperature difference can't reach the molecule of inner-wall material and outer wall materials and merge, thereby reduces the firmness of inner and outer wall combination; In production application; Often double-wall corrugated pipe is after after a while transportation or storage, because the expansion of gas between the inside and outside wall is easy to cause the inner and outer wall of double-wall corrugated pipe to separate disengagement.At present because the raising that utilizes requirement again of environmental protection and resource; Increasing bellows adopts and reclaims the raw material manufacturing; Because it is just poor to reclaim the performance of raw material itself, thus the inner and outer wall junction intensity of the bellows goods of producing very a little less than, easy separation; This has had a strong impact on Products Quality, has increased percent defective.
Summary of the invention
The purpose of
the utility model is the deficiency to above-mentioned prior art, and a kind of double-wall corrugated mouth of pipe mould parts are provided, and inwall material and outer wall material can firm combining when making the double-wall corrugated pipe moulding.
are for achieving the above object; The technical scheme that the utility model adopts is: it comprises outer wall mouth mould spacer shell, outer wall mouth mould, outer wall plug spacer shell, inwall plug and the plug mouth membrane module between described outer wall plug spacer shell and described inwall plug; Described plug mouth membrane module is connected on the described outer wall plug spacer shell through positioning step, and the annular space between the outside wall surface of the internal face of described outer wall mouth mould spacer shell and the internal face of outer wall mouth mould and described outer wall plug spacer shell and the outside wall surface of described plug mouth membrane module forms the outer wall runner of double-wall corrugated pipe; Space between the internal face of described plug mouth membrane module and the outside wall surface of described inwall plug forms the inwall runner of double-wall corrugated pipe, and the discharging opening of described inwall runner is near the discharging opening of described outer wall runner.
further, between said outer wall mouth mould spacer shell and the described outer wall mouth mould through being threaded.
further are fixedly connected through screw thread between described outer wall plug spacer shell and the described plug mouth membrane module.
further, the axial distance between the discharging opening of the discharging opening of described outer wall runner and inwall runner is 0 ~ 20mm.
In
technique scheme, can adjust the size of described outer wall runner and outer wall runner discharging opening through the position of regulating described outer wall mouth mould, to reach best control to the discharge hole for discharge amount.Described plug mouth membrane module is provided with the adjusting play; The pad of putting into different size thickness in the said adjusting play can be regulated the relative position of plug mouth membrane module and inwall plug; And then the size of regulating described inwall runner and inwall runner discharging opening, to reach best control to inwall discharge hole for discharge amount.
the utility model compared with prior art has advantage: since the discharging opening of the discharging opening of outer wall runner and inwall runner spatial axes upwards leave very near; Therefore the material Chemical Physics state of the inner and outer wall that comes out of two discharging openings is very approaching; When inwall material and outer wall material combined, two strands of materials were still uncolled, therefore can reach intermolecular combination in that this state compacted under is bonding; Bond strength is better; Reclaim the double-wall corrugated tubing products of plastics-production even adopt, still can guarantee bellows inner and outer wall good binding intensity, and have good ring stiffness and ring flexibility.
Description of drawings
Accompanying drawing 1 is the cutaway view of the utility model;
Accompanying drawing 2 is the cutaway view of the mouth mould parts in the prior art production;
Accompanying drawing 3 is the cutaway view of double-wall corrugated pipe;
wherein: 1, outer wall mouth mould spacer shell; 2, outer wall plug spacer shell; 3, inwall plug; 4 outer wall mouth moulds; 5, plug mouth membrane module; 6, inwall runner; 7, outer wall runner, 8 coolant jackets; 9, module.
The specific embodiment
The description of through accompanying drawing embodiment being carried out below
, the advantage of the utility model will become clear and be more prone to and understand.Wherein, the right side in " front portion " respective figure 1 described in the specification, the left side in " rear portion " respective figure 1 described in the specification.
are shown in accompanying drawing 1; Double-wall corrugated mouth of pipe mould parts are applied in the corrugated pipe forming device; The rear portion of double-wall corrugated mouth of pipe mould parts is connected on the bellows mould; The front portion then joins with coolant jacket 8, makes the material of molten state get into forming module inwall that is being moved to the left and the coolant jacket outer surface that is installed on the make-up machine respectively through outer wall runner and inwall runner respectively.These double-wall corrugated mouth of pipe mould parts comprise the inwall plug 3 that is positioned at the center, and inwall plug 3 is fixedly connected with anterior bellows mould through screw.Be arranged with plug mouth membrane module 5 in the outside of inwall plug 3, described plug mouth membrane module 5 is that inwall mouth mould and outer wall plug are designed to one, makes it not only as inwall mouth mould but also as the outer wall plug.The arranged outside of plug mouth membrane module 5 has outer wall plug spacer shell 2; The outer race of outer wall plug spacer shell 2 outer wall mouth mould 4 and outer wall mouth mould spacer shell 1; Outer wall mouth mould 4 is threaded with said outer wall mouth mould spacer shell 1; The rear portion of plug mouth membrane module 5 is connected with the rear threads of outer wall plug spacer shell 2, anterior movable contact.Space between the internal face of plug mouth membrane module 5 and the outside wall surface of inwall plug 3 forms annular inner wall runner 6; Space between the outside wall surface of the internal face of outer wall mouth mould spacer shell 1 and outer wall mouth mould 4 and outer wall plug spacer shell 2 and plug mouth membrane module 5 forms annular outer wall runner 7; Owing to through being threaded, therefore can regulate the flow and the discharging opening size of outer wall runner 7 between outer wall mouth mould 4 and the outer wall mouth mould spacer shell 1 through rotation outer wall mouth mould 4; The discharging opening of inwall runner 6 is then regulated through the relative position of regulating between plug mouth membrane module 5 and the inwall plug 3; Specifically; Leave the gap between plug mouth membrane module 5 and the bellows mould; Insert the packing ring that can change thickness in this gap, regulate the position of plug mouth membrane module 5, and then reach the purpose of the discharging opening gap length of regulating inwall runner 6 through the pad of changing different size.
The discharging opening of
described outer wall runner 7 is near the discharging opening of inwall runner 6, and specifically, the axial distance between the discharging opening of the discharging opening of outer wall runner 7 and inwall runner 6 is 0 ~ 20mm, i.e. the distance of L representative in the accompanying drawing 1.The material of inwall runner 6 and outer wall runner 7 is almost extruded synchronously, therefore in the mould article of manufacture, can cool off synchronously.
when melt and dissolved material when the bellows mould gets into double-wall corrugated mouth of pipe mould parts from the upper reaches material be divided into two stocks and do not get into outer wall runner 7 and inwall runner 6; Material comes out from discharging opening separately respectively through after a while extruding in two runners; Because two discharging openings are very near on axial distance, the material that comes out in the outer wall runner 7 gets into the outer wall of the bellows that module forms, and the material that comes out from the discharging opening of inwall runner 6 gets into the inwall of the bellows that coolant jacket forms; When the trough of the outer wall of bellows and inwall combine; Two strands of materials are still uncolled, and material still is in the semi-molten state, and outer wall runner 7 is very approaching with the material Chemical Physics state that inwall runner 6 comes out; Therefore can form intermolecular combination, so the moulding bonding effect of the inside and outside wall of bellows reaches optimum state.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (4)
1. double-wall corrugated mouth of pipe mould parts; It is characterized in that: it comprise outer wall mouth mould spacer shell (1), outer wall mouth mould (4), outer wall plug spacer shell (2), inwall plug (3) and be positioned at described outer wall plug spacer shell (2) and described inwall plug (3) between plug mouth membrane module (5); Described plug mouth membrane module (5) is connected on the described outer wall plug spacer shell (2) through positioning step, and the annular space between the outside wall surface of the internal face of the internal face of described outer wall mouth mould spacer shell (1) and outer wall mouth mould (4) and the outside wall surface of described outer wall plug spacer shell (2) and described plug mouth membrane module (5) forms the outer wall runner (7) of double-wall corrugated pipe; Space between the outside wall surface of the internal face of described plug mouth membrane module (5) and described inwall plug (3) forms the inwall runner (6) of double-wall corrugated pipe, and the discharging opening of described inwall runner (6) is near the discharging opening of described outer wall runner (7).
2. a kind of double-wall corrugated mouth of pipe mould parts according to claim 1 is characterized in that: between said outer wall mouth mould spacer shell (1) and the described outer wall mouth mould (4) through being threaded.
3. a kind of double-wall corrugated mouth of pipe mould parts according to claim 1 is characterized in that: be fixedly connected through screw thread between described outer wall plug spacer shell (2) and the described plug mouth membrane module (5).
4. a kind of double-wall corrugated mouth of pipe mould parts according to claim 1, it is characterized in that: the axial distance between the discharging opening of the discharging opening of described outer wall runner (7) and inwall runner (6) is 0 ~ 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203890276U CN202241920U (en) | 2011-10-13 | 2011-10-13 | Finish mold component for double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203890276U CN202241920U (en) | 2011-10-13 | 2011-10-13 | Finish mold component for double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202241920U true CN202241920U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203890276U Expired - Lifetime CN202241920U (en) | 2011-10-13 | 2011-10-13 | Finish mold component for double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202241920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935007A (en) * | 2014-03-10 | 2014-07-23 | 苏州杰威尔精密机械有限公司 | Double-wall corrugated pipe mold |
| CN107471584A (en) * | 2017-08-15 | 2017-12-15 | 鹤山联塑实业发展有限公司 | One kind reduces Double-wall PVC bellows percent defective mechanism and its method |
-
2011
- 2011-10-13 CN CN2011203890276U patent/CN202241920U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935007A (en) * | 2014-03-10 | 2014-07-23 | 苏州杰威尔精密机械有限公司 | Double-wall corrugated pipe mold |
| CN107471584A (en) * | 2017-08-15 | 2017-12-15 | 鹤山联塑实业发展有限公司 | One kind reduces Double-wall PVC bellows percent defective mechanism and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |