CN102672907A - Pin valve core structure for white pigment - Google Patents
Pin valve core structure for white pigment Download PDFInfo
- Publication number
- CN102672907A CN102672907A CN2012101328724A CN201210132872A CN102672907A CN 102672907 A CN102672907 A CN 102672907A CN 2012101328724 A CN2012101328724 A CN 2012101328724A CN 201210132872 A CN201210132872 A CN 201210132872A CN 102672907 A CN102672907 A CN 102672907A
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- China
- Prior art keywords
- valve core
- needle
- valve
- core structure
- spool
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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.)
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Abstract
The invention relates to a pin valve core structure for a white pigment. The structure comprises a valve core, wherein a gap is formed between the end of the valve core and a cavity plate in a matched mode; a sealing glue boss is formed at the end of the valve core and matched with the cavity plate in a sealed mode; and first-stage sealing glue is arranged between the pin valve core and the cavity plate, so that the phenomenon that plastic is accumulated and carbonized because the plastic brought out by a valve pin in the moving process flows into a slit between an inclined surface at the end of the pin valve core and the cavity plate is avoided. The pin valve core can be used in the white pigment or a transparent pigment.
Description
Technical field
The invention belongs to the TOP-TIP field, relate to a kind of needle-valve valve core structure, relate in particular to the needle-valve valve core structure that is used for the white material.
Background technology
In the hot flow path technical application, needle valve system (valve gating) is one of TOP-TIP very general in the hot flow path technical application.This system is through adopting needle (valve pin) under the effect of needle control device, and the mode with mechanical movement opens or closes cast gate in the given time.Above-mentioned control device mainly is made up of cylinder, piston, needle-valve and needle-valve cover.As shown in Figure 1, the end 4 of needle-valve spool 1 commonly used is a taper type, and its end face is a flush face, leaves certain clearance 3 between this flush face and the hot flow path die plate 2, supplies to hold the plastics that needle is taken out of.But also leave certain slit 5 on the inclined-plane 5 of needle-valve spool 1 frustum type end 4 and between the cavityplate; After needle can be taken the plastics of molten condition out of in motion process, these plastics flow in the gap 3, there are the plastics of trace also to be prone to flow in this slit 5, and are difficult for all being taken out of by needle.Behind the long time integration, the easy carbonization of plastics at these 5 places, slit.Thereby make the needle-valve spool of this kind structure not be easy for white material or transparent material.Therefore, how addressing the above problem, is the content that the present invention will study.
Summary of the invention
The present invention provides a kind of needle-valve valve core structure that is used for the white material for addressing the above problem.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of needle-valve valve core structure that is used for the white material, comprise spool, and the end of this spool cooperates with cavityplate and is provided with the gap; The end of this spool is provided with a sealing boss, and this sealing boss and said cavityplate are sealed and matched.
Related content in the technique scheme is explained as follows:
1, in the such scheme, the end face of said sealing boss is a flush face.
Because the utilization of present technique scheme, the present invention compared with prior art has advantage:
1, owing to being provided with a sealing boss and cavityplate in the end of needle-valve spool, the present invention is sealed and matched; Between needle-valve spool and cavityplate, increased the one-level sealing; The plastics that make needle in motion process, take out of can not flow in the inclined-plane and the slit between the cavityplate of needle-valve spool end again, have avoided the buildup and the carbonization of plastics.Make this needle-valve spool can be used for white material or transparency color.
2, the present invention is simple in structure, practical, easy to process, and production cost is low.
Description of drawings
Accompanying drawing 1 is that prior art needle-valve spool cooperates sketch map with cavityplate;
Accompanying drawing 2 needle-valve spools of the present invention cooperate sketch map with cavityplate.
In the above accompanying drawing: 1, spool; 2, cavityplate; 3, gap; 4, end; 5, slit; 6, glue boss.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment:
As shown in Figure 2, a kind of needle-valve valve core structure that is used for white material comprises spool 1, and the end 4 of this spool 1 cooperates with cavityplate 2 and is provided with gap 3; The end 4 of this spool is provided with a sealing boss 6, and this sealing boss 6 is sealed and matched with said cavityplate 2.
The end face of said sealing boss 6 is a flush face.
Being provided with a sealing boss and cavityplate in the end of needle-valve spool is sealed and matched; Between needle-valve spool and cavityplate, increased the one-level sealing; The plastics that make needle in motion process, take out of can not flow in the inclined-plane and the slit between the cavityplate of needle-valve spool end again, have avoided the buildup and the carbonization of plastics.Make this needle-valve spool can be used for white material or transparency color.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (2)
1. a needle-valve valve core structure that is used for white material comprises spool (1), and the end (4) of this spool (1) cooperates with cavityplate (2) and is provided with gap (3); It is characterized in that: the end of this spool (4) are provided with a sealing boss (6), and this sealing boss (6) is sealed and matched with said cavityplate (2).
2. the needle-valve valve core structure that is used for the white material according to claim 1, it is characterized in that: the end face of said sealing boss (6) is a flush face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101328724A CN102672907A (en) | 2012-04-29 | 2012-04-29 | Pin valve core structure for white pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101328724A CN102672907A (en) | 2012-04-29 | 2012-04-29 | Pin valve core structure for white pigment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102672907A true CN102672907A (en) | 2012-09-19 |
Family
ID=46805783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101328724A Pending CN102672907A (en) | 2012-04-29 | 2012-04-29 | Pin valve core structure for white pigment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672907A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4917594A (en) * | 1989-02-28 | 1990-04-17 | Mold-Masters Limited | Injection molding system with gas flow through valve gate |
| JP2002283410A (en) * | 2001-03-22 | 2002-10-03 | Mitsubishi Materials Corp | Valve gate type mold assembly and molding method using the same |
| US20050046082A1 (en) * | 2003-08-29 | 2005-03-03 | Mold-Masters Limited | Guided valve pin for an injection molding apparatus |
| CN201579950U (en) * | 2009-12-15 | 2010-09-15 | 深圳市米高科技有限公司 | Lateral-approaching hot-runner device |
| CN202640707U (en) * | 2012-04-29 | 2013-01-02 | 苏州好特斯模具有限公司 | Needle valve spool structure for white pigments |
-
2012
- 2012-04-29 CN CN2012101328724A patent/CN102672907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4917594A (en) * | 1989-02-28 | 1990-04-17 | Mold-Masters Limited | Injection molding system with gas flow through valve gate |
| JP2002283410A (en) * | 2001-03-22 | 2002-10-03 | Mitsubishi Materials Corp | Valve gate type mold assembly and molding method using the same |
| US20050046082A1 (en) * | 2003-08-29 | 2005-03-03 | Mold-Masters Limited | Guided valve pin for an injection molding apparatus |
| CN201579950U (en) * | 2009-12-15 | 2010-09-15 | 深圳市米高科技有限公司 | Lateral-approaching hot-runner device |
| CN202640707U (en) * | 2012-04-29 | 2013-01-02 | 苏州好特斯模具有限公司 | Needle valve spool structure for white pigments |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |