CN103934973A - Flow backward gate of male die - Google Patents
Flow backward gate of male die Download PDFInfo
- Publication number
- CN103934973A CN103934973A CN201310021363.9A CN201310021363A CN103934973A CN 103934973 A CN103934973 A CN 103934973A CN 201310021363 A CN201310021363 A CN 201310021363A CN 103934973 A CN103934973 A CN 103934973A
- Authority
- CN
- China
- Prior art keywords
- cold burden
- chimney
- male model
- cast gate
- pours
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 23
- 239000000976 ink Substances 0.000 description 17
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000004568 cement Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 239000002893 slag Substances 0.000 description 5
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a flow backward gate of a male die, which is applied in a die and used for forming products in an IMR (in mold roller) process. The flow backward gate of the male die comprises a flow channel and a cold charge, wherein the flow channel is a feeding channel connected to a cavity; the cold charge comprises a cold charge region and an avoidance space around the cold charge region; the cold charge region is communicated with the flow tail end of the flow channel; and the avoidance space is formed in a way that two side surfaces of the cold charge region respectively extend outwards in a smooth curve manner and then connected together in a smooth transition manner. According to the flow backward gate of the male die, the problems that the product quality is influenced by printing ink injection of IMR (in mold roller) products and the product appearance is influenced by the cold charge can be avoided; printing ink can be completely transferred on the surface layer of a product; and a printing ink layer and the surface layer of the product are tightly combined.
Description
[technical field]
The present invention relates to the cast gate in a kind of mould, be specifically related to a kind of male model and pour in down a chimney cast gate.
[background technology]
In production plastic cement products, when after mould die sinking ejecting product, thereby runner is separated with moulding mechanical irrigation mouth or hot runner breakpoint, it is cold burden that its front end can form one section of plastics solidification territory, so-called cold burden also refers to that the plastics solidification territory of shower nozzle front end sneaks into the phenomenon of products formed, occurs the phenomenons such as the bad or spray pattern of gloss in the product appearance of next mould.Generally, for cold burden problem, the countermeasure mainly solving is to increase cold burden design in flow field end, makes the cold burden of product enter the territory of the non-appearance of product, thereby avoids affecting the quality of product.
In IMR processing procedure, its technological process is that prefabricated diaphragm is positioned in mould, realizes injection moulding and ink transfer printing in moulding.Referring to Fig. 1 illustrates, IMR product 10 uses male model to pour in down a chimney a little bigger tiltedly tip and props up sheet and enter glue, in die cavity, fling injection plastic cement by runner 20, thereby the cold burden of runner 20 front ends not only easily makes the ink of product 10 come off in the time of moulding, and easily rush ink, so that affect quality and the outward appearance of product 10.
In view of this, be in fact necessary to provide a kind of male model to pour in down a chimney cast gate, thus when solving above-mentioned IMR formed product easy de-oiling China ink and rush ink and affect the problem of product quality and outward appearance.
[summary of the invention]
Therefore, the object of this invention is to provide a kind of male model and pour in down a chimney cast gate, utilize in flow field end and increase cold burden easy de-oiling China ink and rush ink and affect the problem of yield and quality amount and outward appearance while designing to solve IMR formed product.
In order to achieve the above object, male model provided by the invention pours in down a chimney cast gate, and it is applied to the product of die for molding IMR processing procedure, and this male model pours in down a chimney cast gate and comprises:
Runner, this runner is the feeding-passage that connects die cavity;
Cold burden, it comprises cold burden district and empty avoiding space around thereof, and this cold burden district is communicated with the flow end of described runner, and this empty avoiding space is outwards respectively smooth curve by the two sides in this cold burden district and extends being also joined together to form of rounding off.
Preferably, described cold burden is bilateral symmetry.
Preferably, the horizontal linear that the cross section in described cold burden district links together by the semi arch of two symmetries and by its rounding off forms.
Preferably, the width of described cold burden district upper end open is greater than the width of described flow field end.
Preferably, bottom surface, described cold burden district is parallel with the bottom surface in described empty avoiding space.
Preferably, the distance between bottom surface, described cold burden district and the bottom surface in described empty avoiding space is greater than 2mm.
Compared to prior art, male model of the present invention pours in down a chimney cast gate, solve while using male model to pour in down a chimney a little bigger tiltedly tip in IMR processing procedure to prop up sheet and enter glue, because cold burden makes, formed product is inhomogeneous easily to be made its de-oiling China ink and rushes ink to affect the problem of yield and quality, solve again simultaneously and poured in down a chimney a sheet and enter cold burden that glue produces and affect the problem of product appearance, realize the top layer that is transferred in product complete ink, ink layer is combined closely with product subsurface.
[brief description of the drawings]
Fig. 1 illustrates the perspective view of pouring in down a chimney cast gate for existing male model.
Fig. 2 illustrates the perspective view of pouring in down a chimney cast gate for male model of the present invention.
Fig. 3 illustrates the front view into Fig. 2.
Fig. 4 illustrates the perspective view of pouring in down a chimney the corresponding mould of cast gate for male model of the present invention.
[detailed description of the invention]
Refer to Fig. 2 and Fig. 3 illustrates, male model provided by the invention pours in down a chimney cast gate, and it is applied to the product 100 of die for molding IMR processing procedure, and this male model pours in down a chimney cast gate and comprises:
Runner 200, this runner 200 is for connecting the feeding-passage of die cavity;
Cold burden 300, it comprises cold burden district 310 and empty avoiding space 320 around thereof, this cold burden district 310 is communicated with the flow end of described runner 200, and this empty avoiding space 320 is outwards respectively smooth curve by the two sides in this cold burden district 310 and extends being also joined together to form of rounding off.
Wherein, described cold burden 300 is bilateral symmetry.
Wherein, the cross section in described cold burden district 310 is made up of the semi arch 311 of two symmetries and horizontal linear 312 that its rounding off is linked together.
Wherein, the width S 1 of described cold burden district 310 upper end open is greater than the width S 2 of described runner 200 ends.
Wherein, 310 bottom surfaces, described cold burden district are parallel with 320 bottom surfaces, described empty avoiding space.
Wherein, the distance S3 between 310 bottom surfaces, described cold burden district and 320 bottom surfaces, described empty avoiding space is greater than 2mm.
In IMR technique, its technological process is that prefabricated diaphragm is positioned in mould, realizes injection moulding and ink transfer printing in moulding, because this diaphragm is attached to master mold side, therefore mould is to adopt to pour in down a chimney mould and enter glue in male model side.Refer to Fig. 3 and illustrate, prop up sheet and enter glue with shaped article 100 for male model pours in down a chimney a little bigger tiltedly tip, owing to remaining cold burden at the front end of runner 200 after a upper mold forming, in the time that the plastic cement of melting injects die cavity, first the cold burden of runner 200 front ends can arrive die cavity; Because the width of cold burden district 310 upper end open is greater than the width of runner 200 ends, first cold burden now can flow in the slag well 410 of the corresponding mould 400 in cold burden district 310, thereby cold burden is hoarded in cold burden district 310, to avoid affecting the moulding of subsequent product 100.After slag well 410 is filled with, plastic cement starts to overflow, due to the frame of slag well 410 on the corresponding mould in empty avoiding space 320, the frame that is slag well 410 is smooth curved surface, thereby thermoplastic is produced to cushioning effect, the thermoplastic overflowing will fill die cavity by thermoplastic uniformly along the smooth curved surface of slag well 410 frames, and can not fling and inject die cavity and produce the phenomenon of rushing ink, thereby by product 100 moulding.
Male model of the present invention pours in down a chimney cast gate utilization increases the design of cold burden 300 at the end of runner 200, the plastic cement that injects die cavity has been produced to cushioning effect, thereby make plastic cement can be full of uniformly die cavity, having avoided male model to pour in down a chimney a little bigger tiltedly tip props up sheet and enters glue and produce the impact of rushing ink and de-oiling China ink, realize the top layer that is transferred in product complete ink, ink layer is combined closely with product subsurface; Solved again the problem of cold burden being introduced to cold burden district 310 and avoided affecting product appearance simultaneously.
Claims (6)
1. male model pours in down a chimney a cast gate, and it is applied to the product of die for molding IMR processing procedure, and this male model pours in down a chimney cast gate and comprises:
Runner, this runner is the feeding-passage that connects die cavity;
It is characterized in that, described male model pours in down a chimney cast gate and also comprises:
Cold burden, it comprises cold burden district and empty avoiding space around thereof, and this cold burden district is communicated with the flow end of described runner, and this empty avoiding space is outwards respectively smooth curve by the two sides in this cold burden district and extends being also joined together to form of rounding off.
2. male model according to claim 1 pours in down a chimney cast gate, it is characterized in that, described cold burden is bilateral symmetry.
3. male model according to claim 1 pours in down a chimney cast gate, it is characterized in that, the horizontal linear that the cross section in described cold burden district links together by the semi arch of two symmetries and by its rounding off forms.
4. male model according to claim 1 pours in down a chimney cast gate, it is characterized in that, the width of described cold burden district upper end open is greater than the width of described flow field end.
5. male model according to claim 1 pours in down a chimney cast gate, it is characterized in that, bottom surface, described cold burden district is parallel with bottom surface, described empty avoiding space.
6. male model according to claim 1 pours in down a chimney cast gate, it is characterized in that, the distance between bottom surface, described cold burden district and bottom surface, described empty avoiding space is greater than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021363.9A CN103934973A (en) | 2013-01-21 | 2013-01-21 | Flow backward gate of male die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021363.9A CN103934973A (en) | 2013-01-21 | 2013-01-21 | Flow backward gate of male die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934973A true CN103934973A (en) | 2014-07-23 |
Family
ID=51182973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310021363.9A Pending CN103934973A (en) | 2013-01-21 | 2013-01-21 | Flow backward gate of male die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715270A (en) * | 2021-08-31 | 2021-11-30 | 惠州市盈旺精密技术有限公司 | Advance gluey component and have its mould and injection molding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012529Y (en) * | 2007-03-01 | 2008-01-30 | 登俊实业股份有限公司 | Plastic injection mold having angle pin glue feeding structure |
| CN201645764U (en) * | 2009-11-23 | 2010-11-24 | 英业达股份有限公司 | Runner structure |
| CN203092948U (en) * | 2013-01-21 | 2013-07-31 | 汉达精密电子(昆山)有限公司 | Flow backward gate of male die |
| CN103660155A (en) * | 2012-09-21 | 2014-03-26 | 仁宝电脑工业股份有限公司 | Glue feeding mold |
-
2013
- 2013-01-21 CN CN201310021363.9A patent/CN103934973A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012529Y (en) * | 2007-03-01 | 2008-01-30 | 登俊实业股份有限公司 | Plastic injection mold having angle pin glue feeding structure |
| CN201645764U (en) * | 2009-11-23 | 2010-11-24 | 英业达股份有限公司 | Runner structure |
| CN103660155A (en) * | 2012-09-21 | 2014-03-26 | 仁宝电脑工业股份有限公司 | Glue feeding mold |
| CN203092948U (en) * | 2013-01-21 | 2013-07-31 | 汉达精密电子(昆山)有限公司 | Flow backward gate of male die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715270A (en) * | 2021-08-31 | 2021-11-30 | 惠州市盈旺精密技术有限公司 | Advance gluey component and have its mould and injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |