CN101664983B - Forming mold - Google Patents
Forming mold Download PDFInfo
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- CN101664983B CN101664983B CN 200810304368 CN200810304368A CN101664983B CN 101664983 B CN101664983 B CN 101664983B CN 200810304368 CN200810304368 CN 200810304368 CN 200810304368 A CN200810304368 A CN 200810304368A CN 101664983 B CN101664983 B CN 101664983B
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- groove
- sprue
- runner
- mould
- moulding
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Abstract
The invention relates to a mold comprising a forming mold insert and a mold temperature pipe mold insert, wherein the forming mold insert is provided with a first surface and a second surface which are opposite, the first surface is provided with a flow passage and a plurality of forming holes communicated with the flow passage, and the second surface is provided with a containing groove; the mold temperature pipe mold insert comprises a main body part which is contained in the containing groove, the surface of the main body part, which is opposite to the forming mold insert, is provided with a groove used for flowing heating fluids, an inflow hole is arranged in the groove, the groove forms a plurality of flowing paths, and each flowing path corresponds to one forming hole and has equal length.
Description
Technical field
A kind of mould of the present invention, particularly a kind of mould for the moulding optical element.
Background technology
The product such as optical element such as micro lens, LGP, it adopts injection molding process to make usually.Adopt injection mo(u)lding greatly to enhance productivity and output, reduce costs.See also Multiobjective optimization of aplastic injection molding process, Seaman, C.M., Desrochers, A.A; List, G.F.; Control Systems Technology, IEEE Transactions on Volume 2, Issue 3, Sept.1994 Pages:157-168.
The mould that is used for injection mo(u)lding is provided with mould temperature pipe usually, when mould Wen Guanzhong is connected with when adding hot fluid, can realize in forming process to the control of temperature, with the quality of lifting shaped article and the efficient of moulding.Yet in prior art, mould temperature pipe is typically designed to the circulating water temperature pipeline that is surrounded on die.But due to the design that is loop, along with its temperature that flows of recirculated water reduces gradually.And be the design of raising the efficiency common employing multi-point mould during injection moulding in prior art, when therefore adopting the design of circular die temperature pipe each moulding cave due to corresponding to the circulating water pipe diverse location, so also difference of the forming temperature in each moulding cave.This kind variations in temperature for example can not cause on the quality of product obvious impact LGP for thicker optical element.Yet has the slim optical element of mould molding that this kind mould temperature pipe designs for example during thin lens when adopting, due to thin lens to the variation of temperature very sensitivity be easy to produce in eyeglass current mark and and obtained by molding eyeglass stress concentration, have a strong impact on the quality of thin lens after moulding.
Summary of the invention
Therefore, be necessary to provide a kind of mould for moulding, the mould of uniform temperature can be provided when shaped article.
The present invention relates to a kind of mould, it comprises: the moulding die, and it has relative first surface and second surface, is provided with the moulding cave that runner and a plurality of and described runner are communicated with on described first surface, offers accepting groove on described second surface; Mould temperature pipe die benevolence, it comprises main part, described main part is contained in accepting groove, be provided with on the surface relative with described moulding die of described main part for the groove that adds hot fluid flow, be provided with ostium in groove, described groove forms many circulation paths, and every circulation path is corresponding to a moulding acupuncture point, and every circulation path is equal in length.
By adopting above-mentioned mould, when carrying out moulding, the route that fluid is flowed through in mould temperature pipe die benevolence and the flow through route of moulding material in runner are parallel to each other, thereby the temperature that can guarantee each moulding cave is consistent, in actual production, the mould temperature when being easy to control moulding.
Description of drawings
Fig. 1 is the stereogram of the mould that provides of the technical program embodiment.
Fig. 2 is the exploded view of the mould that provides of the technical program embodiment.
Fig. 3 is the upward view of the moulding die in Fig. 2.
Fig. 4 is the schematic diagram of the position relationship of the mold runner that provides of the technical program embodiment and groove.
Fig. 5 is the schematic diagram of the mould that provides of the technical program embodiment when using.
The specific embodiment
Below in conjunction with drawings and Examples, the mould that the technical program embodiment provides is described in further detail.
See also Fig. 1 and Fig. 2, a kind of mould 100 that the present embodiment provides, it comprises die 110 and the Mo Wen pipe die benevolence 120 of mutual engaging
Moulding die 110 has relative first surface 111 and second surface 112, is provided with runner 113 and moulding cave 114 on first surface 111.In the present embodiment, at two orthogonal crossing and the first sprue 1131 that mutually divide equally and second sprues 1132 of being provided with of first surface 111.Each in the two ends of the first sprue 1131, the second sprue 1132 vertically is extended with two runners 1133 to both sides, so forms altogether eight runners 1133 on first surface 111.The first sprue 1131 and the second sprue 1132 intersect at inflow section 1134.Described eight runners 1133 equal in length.In the present embodiment, the first sprue 1131, the second sprue 1132 and runner 1133 are the groove structure that forms to second surface 112 from first surface 111, the material that the shape of described groove structure and the product of for molding and moulding are used determines, the cross section of groove can be the shape such as semicircle or trapezoidal, in the present embodiment, the cross section of groove can be semicircle.
When moulding material flows into from inflow section 1134, flow into runner 1133 along the first sprue 1131 and the second sprue 1132, flow in moulding cave 114 by runner 1133.In the present embodiment, flow into the distance that the moulding material in each moulding cave 114 flows through identical.
In the present embodiment, be provided with eight moulding caves 114, moulding cave 114 is positioned at runner 1133 away from an end of corresponding sprue, and is connected with runner 1133.The shape in moulding cave 114 is identical with the shape of the product of for molding.
On the second surface 112 of moulding die 110, offer the accepting groove 116 that extends to first surface 11 1 from second surface 112.The length of accepting groove 116 and width should be greater than sprue 1131,1132 development lengths, and accepting groove 116 arranges over against the first sprue 1131, the second sprue 1132.In the present embodiment, accepting groove 116 is the cuboid groove, and the length of accepting groove 116 and width are greater than the length of the first sprue 1131, the second sprue 1132.
Mould temperature pipe die benevolence 120 comprises main part 121 and support portion 122.Main part 121 has surface 123, and surface 123 is a plane, and the shape of the shape of main part 121 and accepting groove 116 is complementary, and main part 121 is along the deep equality of height and the accepting groove 116 of vertical surface 123.In the present embodiment, main part 121 is rectangular shape.Be provided with three first grooves 1241 parallel with the first sprue 1131, the second groove 1242 and the 3rd grooves 1243 on surface 123, three four grooves 1251 parallel with the second sprue 1132, the 5th groove 1252 and the 6th grooves 1253, six grooves are interconnected, and form the structure of matrix pattern.In the center of matrix pattern structure, namely the second groove 1242 and the 5th groove 1252 intersections, be provided with ostium 126.Four summits in the matrix pattern structure are provided with four tap holes 127, namely the first groove 1241 respectively with the 4th groove 1251, the 6th groove 1253 intersections, the 3rd groove 1243 is respectively arranged with tap hole 127 with the 4th groove 1251, the 6th groove 123 intersections respectively.
See also Fig. 3, in order to make mould temperature pipe die benevolence 120 have the efficient of high control mould temperature when the actual production, and make the shaped article variations in temperature in each moulding cave 114 identical, after the main part 121 of mould temperature pipe die benevolence 120 is contained in accepting groove 116, the surface 123 of main part 121 and the mutual close contact of inner surface of accepting groove 116 arrange groove and coordinate the formation pipeline with the inner surface of accepting groove 116 on surface 123.Consult Fig. 4, after engaging, ostium 126 and inflow section 1134 are overlapped on the direction perpendicular to first surface 11 1, and make sprue 1131 and the second groove 1242 and the 5th groove 1252 overlapped, and make eight runners 1132 overlapped with the first groove 1241, the 3rd groove 1243, the 4th groove 1251 and the 6th groove 1253 respectively.
See also Fig. 5, when moulding material therefrom heart section 1131 enter, flow in moulding cave 114 along sprue 1131 and runner 1133.By flowing into from inflow section 1134, the path that can guarantee to flow into each moulding cave 114 is identical, in actual production, can not produce the problem that moulding cave 114 interior moulding material chargings do not wait.
When carrying out moulding, when adding hot fluid and flowing into from ostium 126, flow along forming many circulation paths, each circulation path is all mutually corresponding with the position in a moulding cave 114.Particularly, adding hot fluid flows into from ostium 126, flow into the center of the first groove 1241, the 3rd groove 1243, the 4th groove 1251 and the 6th groove 1253 by the second groove 1242 and the 5th groove 1252, then flowing to respectively four tap holes 127 flows out, heating liquid from ostium 126 inflows, form altogether eight paths of flowing through, each path is corresponding with a moulding cave 114, and liquid is equal in length from the location paths that ostium 126 flow to moulding cave 114 correspondences, and the setting that is centrosymmetric centered by ostium 126 of many circulation paths.Therefore, the route that fluid is flowed through in mould temperature pipe die benevolence with moulding material the route of flowing through in runner consistent, thereby the temperature that can guarantee each moulding cave is consistent, in actual production, the mould temperature when being easy to control moulding.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection domain of claim of the present invention.
Claims (8)
1. mould, it comprises:
The moulding die, it has relative first surface and second surface, is provided with the moulding cave that runner and a plurality of and described runner are communicated with on described first surface, offers accepting groove on described second surface;
Mould temperature pipe die benevolence, it comprises main part, described main part is contained in accepting groove, be provided with on the described main part surface relative with described moulding die for the groove that adds hot fluid flow, be provided with ostium in groove, it is characterized in that, described groove forms many circulation paths, every circulation path is corresponding to a moulding cave, and every circulation path is equal in length, and the setting that is centrosymmetric centered by ostium of many circulation paths, described circulation path is overlapping on the direction perpendicular to first surface with corresponding runner.
2. mould as claimed in claim 1, it is characterized in that, described runner comprises that the first sprue reaches with the second sprue the runner that is connected with them, described the first sprue is vertical with the second sprue and mutually divide equally, described the first sprue and the second sprue intersect at inflow section, described runner is formed at the two ends of the first sprue and the second sprue, along extending perpendicular to the direction that is connected sprue with it, described moulding cave is arranged at runner away from an end of sprue, and is interconnected with runner.
3. mould as claimed in claim 2, is characterized in that, describedly ostium is set and inflow section is overlapped on the direction perpendicular to first surface.
4. mould as claimed in claim 2, is characterized in that, described sprue is provided with two runners away from an end of inflow section, and two runners are located along the same line, and also connected sprue is mutually vertical.
5. mould as claimed in claim 4, is characterized in that, described runner equates with the distance of inflow section, and the development length of each runner equates.
6. mould as claimed in claim 1, it is characterized in that, described groove comprises the first groove, the second groove and the 3rd groove and the 4th groove, the 5th groove and the 6th groove parallel with the second sprue and that be arranged in order parallel with the first sprue and that be arranged in order, described six grooves mutually intersect and are interconnected, form the structure of matrix pattern, in the second groove and the 5th groove intersection, be provided with ostium, the first groove and the 4th groove and the 6th groove intersection, the 3rd groove and the 4th groove and the 6th groove intersection are respectively arranged with tap hole.
7. mould as claimed in claim 6, it is characterized in that, described runner is overlapped on the direction perpendicular to first surface with the first groove, the 3rd groove, the 4th groove and the 6th groove respectively, the second groove and the first sprue are overlapped on the direction perpendicular to first surface, and the 5th groove and the second sprue are overlapped on the direction perpendicular to first surface.
8. mould as claimed in claim 1, is characterized in that, the internal diameter of described groove is greater than the internal diameter of runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810304368 CN101664983B (en) | 2008-09-04 | 2008-09-04 | Forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810304368 CN101664983B (en) | 2008-09-04 | 2008-09-04 | Forming mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101664983A CN101664983A (en) | 2010-03-10 |
| CN101664983B true CN101664983B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200810304368 Expired - Fee Related CN101664983B (en) | 2008-09-04 | 2008-09-04 | Forming mold |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259408A (en) * | 2010-05-24 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Injection mould |
| CN103991194A (en) * | 2014-04-29 | 2014-08-20 | 成都龙泉鑫锐模具塑料厂 | Rapid temperature adjusting method of heat energy recovery type injection mold |
| CN107577008A (en) * | 2017-09-01 | 2018-01-12 | 昆山龙腾光电有限公司 | The preparation method of display device and display device |
| CN107877789A (en) * | 2017-12-19 | 2018-04-06 | 宣城市东科电器有限公司 | Mould |
| CN110450369A (en) * | 2019-08-27 | 2019-11-15 | 张丽珠 | A kind of palace column key cap mould |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765609A (en) * | 2004-10-29 | 2006-05-03 | 柯尼卡美能达精密光学株式会社 | Optical component molding apparatus |
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2008
- 2008-09-04 CN CN 200810304368 patent/CN101664983B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765609A (en) * | 2004-10-29 | 2006-05-03 | 柯尼卡美能达精密光学株式会社 | Optical component molding apparatus |
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| CN101664983A (en) | 2010-03-10 |
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