CN103624935A - Mould for solving product surface shrinkage - Google Patents
Mould for solving product surface shrinkage Download PDFInfo
- Publication number
- CN103624935A CN103624935A CN201310557453.XA CN201310557453A CN103624935A CN 103624935 A CN103624935 A CN 103624935A CN 201310557453 A CN201310557453 A CN 201310557453A CN 103624935 A CN103624935 A CN 103624935A
- Authority
- CN
- China
- Prior art keywords
- product surface
- mould
- shrink
- cavity
- shrinks
- 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
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mould for solving product surface shrinkage. The mould comprises a female mould core, a male mould core and a convex structure, wherein the male mould core is arranged below the female mould core; a cavity for forming a product to be injected is formed between the female mould core and the male mould core; the convex structure is arranged on the end face of the male mould core and is located in front of a part easy to shrink of the cavity in a flowing direction of injection liquid. According to the mould for solving the product surface shrinkage provided by the invention, the convex structure is located in front of the part easy to shrink of the cavity so that a conventional flowing direction state of the injection liquid can be changed and the injection liquid can be easily accumulated on a shrunk part, and furthermore, the injection product can be effectively prevented from a product surface shrinkage phenomenon. The mould for solving the product surface shrinkage has the characteristics that the machining is simple, the product surface shrinkage can be avoided effectively, the generation of rejects can be reduced greatly and the waste is reduced.
Description
Technical field
The present invention relates to a kind of mould, be specifically related to a kind of mould that can solve product surface shrink.
Background technology
Product is when mold injection is complete, and product surface can produce shrink when especially product has cylinder or has muscle position, and after shrink refers to plastic rubber shaping, product surface has dolly dimple and so on to affect product appearance.The reason that causes product surface shrink is as follows: 1. product thickness is too thick: at shrink position, material is stolen in the place that does not affect product appearance and size; 2. stuffing pressure is not enough: strengthen and penetrate pressure; 3. the dwell time is not enough: increase the dwell time; 4. product " inside contracts ": increase the cooling and shaping time of product in mould.But the adjustment of above-mentioned technique is difficult to deal with problems completely.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For addressing the above problem, the present invention proposes a kind of mould that product surface shrinks that solves, and comprising: mother module core and male die core, and described male die core is located at the below of described mother module core, forms the die cavity for the treatment of injecting products between mother module core and male die core; Bulge-structure, described bulge-structure is located on described male die core end face, and flows to and in direction, be positioned at before described die cavity easily forms shrink place at injection moulding liquid.
The mould shrinking according to solution product surface of the present invention by being provided with bulge-structure before easily forming shrink place, therefore can change the normal flow of injection moulding liquid to state, make injection moulding liquid more easily accumulate in shrink place, thereby can effectively avoid injection moulding product surface shrink phenomenon out.The present invention have processing simple, can effectively avoid product surface to shrink, can greatly reduce the generation of defective products and the feature cutting the waste.
In addition, the mould shrinking according to solution product surface of the present invention also has following additional technical feature:
Preferably, described easy formation shrink place is for to flow to injection moulding liquid the cavity that direction has angle.These parts easily form shrink place, thereby need to add bulge-structure.
Preferably, described cavity is the cavity at cylinder or place, muscle position.If there are cylinder or muscle position in the cavity place flowing at injection moulding liquid, disperse can on the end face of these structures, form and shrink after injection moulding liquid.
Preferably, described bulge-structure be also located at injection moulding liquid flow in direction, be positioned at described die cavity easily form shrink place after or side.Can make thus injection moulding liquid between two bulge-structures, form accumulation, be easy to cooling forming, thereby can avoid shrinking.
Preferably, described bulge-structure is circular arc.
Preferably, described bulge-structure has inclined-plane, and the extended line on described inclined-plane is by the center of described product surface shrink place.Preferred described inclined-plane is for facing directly.With respect to the bulge-structure of circular arc, because inclined-plane extended line leads to the center of described product shrink place, make injection moulding liquid under the guide effect on inclined-plane, more easily be deposited in shrink place, avoid the product shrinking.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is a kind of structural representation that solves the mold cavity part of product surface shrink of the present invention.
description of reference numerals:
Mother module core 1; Male die core 2; Bulge-structure 3; Shrink place 4.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1, a kind of mould that solves product surface shrink according to the embodiment of the present invention is described.As shown in Figure 1, the mould that solution product surface of the present invention shrinks comprises mother module core 1, male die core 2, bulge-structure 3.
Mother module core 1 and male die core 2, described male die core 2 is located at the below of described mother module core 1, forms the die cavity for the treatment of injecting products between mother module core 1 and male die core 2; Bulge-structure 3, described bulge-structure 3 is located on described male die core 2 end faces, and flows to and in direction, be positioned at before described die cavity easily forms shrink place 4 at injection moulding liquid.
The mould shrinking according to solution product surface of the present invention by being provided with bulge-structure 3 before easily forming shrink place 4, therefore can change the normal flow of injection moulding liquid to state, make injection moulding liquid more easily accumulate in shrink place 4, thereby can effectively avoid injection moulding product surface shrink phenomenon out.The present invention have processing simple, can effectively avoid product surface to shrink, can greatly reduce the generation of defective products and the feature cutting the waste.
Described easy formation shrink place 4 is for to flow to injection moulding liquid the cavity that direction has angle.Cavity is the cavity at cylinder place.Described bulge-structure 3 is also located at injection moulding liquid and flows to and in direction, be positioned at the side that described die cavity easily forms shrink place 4.
Concrete, described bulge-structure 3 has straight inclined-plane, and the extended line on described inclined-plane is by the center of described product surface shrink place 4.
Through practice, if the extended line on inclined-plane not by the center of shrink place 4, the product after injection moulding still has less depression in shrink place 4.Product prepared by injection mold of the present invention has been avoided the generation of surperficial shrink phenomenon completely, has greatly improved the outward appearance of product.
In the description of this description, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. solve the mould that product surface shrinks, it is characterized in that, comprising:
Mother module core and male die core, described male die core is located at the below of described mother module core, forms the die cavity for the treatment of injecting products between mother module core and male die core;
Bulge-structure, described bulge-structure is located on described male die core end face, and flows to and in direction, be positioned at before described die cavity easily forms shrink place at injection moulding liquid.
2. the mould that solution product surface according to claim 1 shrinks, is characterized in that, described easy formation shrink place is for to flow to injection moulding liquid the cavity that direction has angle.
3. the mould that solution product surface according to claim 2 shrinks, is characterized in that, described cavity is the cavity at cylinder or place, muscle position.
4. the mould that solution product surface according to claim 1 shrinks, is characterized in that, described bulge-structure be also located at injection moulding liquid flow in direction, be positioned at described die cavity easily form shrink place after or side.
5. the mould that solution product surface according to claim 1 shrinks, is characterized in that, described bulge-structure is circular arc.
6. the mould that solution product surface according to claim 1 shrinks, is characterized in that, described bulge-structure has inclined-plane, and the extended line on described inclined-plane is by the center of described product surface shrink place.
7. the mould that solution product surface according to claim 6 shrinks, is characterized in that, described inclined-plane is for facing directly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310557453.XA CN103624935A (en) | 2013-11-12 | 2013-11-12 | Mould for solving product surface shrinkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310557453.XA CN103624935A (en) | 2013-11-12 | 2013-11-12 | Mould for solving product surface shrinkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103624935A true CN103624935A (en) | 2014-03-12 |
Family
ID=50206563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310557453.XA Pending CN103624935A (en) | 2013-11-12 | 2013-11-12 | Mould for solving product surface shrinkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103624935A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142453A (en) * | 2015-03-27 | 2016-11-23 | 天津博信汽车零部件有限公司 | Prepare mould section bar, mould and the plastic product of plastic product |
| CN106232317A (en) * | 2014-04-17 | 2016-12-14 | 福士汽车配套部件责任有限公司 | There is hollow cylindrical screw element and the manufacture method thereof of thread groove |
| CN106827317A (en) * | 2017-02-22 | 2017-06-13 | 佛山市顺德区百年科技有限公司 | Molding mold cavity step processing method and injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010008321A1 (en) * | 2000-01-18 | 2001-07-19 | Masahiro Ito | Air passage switching door and method for manufacturing the same |
| CN201240043Y (en) * | 2008-06-04 | 2009-05-20 | 比亚迪股份有限公司 | Mould capable of preventing injection moulding product from shrinking |
| CN202922902U (en) * | 2012-11-29 | 2013-05-08 | 温州宏泰模具有限公司 | Improved latent type runner plate structure |
| CN203543014U (en) * | 2013-11-12 | 2014-04-16 | 昆山市硕强信息咨询有限公司 | Die for solving product surface shrinkage |
-
2013
- 2013-11-12 CN CN201310557453.XA patent/CN103624935A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010008321A1 (en) * | 2000-01-18 | 2001-07-19 | Masahiro Ito | Air passage switching door and method for manufacturing the same |
| CN201240043Y (en) * | 2008-06-04 | 2009-05-20 | 比亚迪股份有限公司 | Mould capable of preventing injection moulding product from shrinking |
| CN202922902U (en) * | 2012-11-29 | 2013-05-08 | 温州宏泰模具有限公司 | Improved latent type runner plate structure |
| CN203543014U (en) * | 2013-11-12 | 2014-04-16 | 昆山市硕强信息咨询有限公司 | Die for solving product surface shrinkage |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106232317A (en) * | 2014-04-17 | 2016-12-14 | 福士汽车配套部件责任有限公司 | There is hollow cylindrical screw element and the manufacture method thereof of thread groove |
| CN106232317B (en) * | 2014-04-17 | 2019-08-13 | 福士汽车配套部件责任有限公司 | Hollow cylindrical screw element and its manufacturing method with thread groove |
| CN106142453A (en) * | 2015-03-27 | 2016-11-23 | 天津博信汽车零部件有限公司 | Prepare mould section bar, mould and the plastic product of plastic product |
| CN106827317A (en) * | 2017-02-22 | 2017-06-13 | 佛山市顺德区百年科技有限公司 | Molding mold cavity step processing method and injection mold |
| CN106827317B (en) * | 2017-02-22 | 2019-07-02 | 佛山市顺德区百年科技有限公司 | Molding mold cavity step processing method and injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103624935A (en) | Mould for solving product surface shrinkage | |
| CN102166811A (en) | Mold for injection molding | |
| CN102049841A (en) | Method for manufacturing mold cavity for preventing shrinkage of decorative strip products and mold cavity | |
| CN103568221A (en) | Mould for solving problem of surface shrinkage of products | |
| CN203543014U (en) | Die for solving product surface shrinkage | |
| CN201240043Y (en) | Mould capable of preventing injection moulding product from shrinking | |
| CN204172279U (en) | A kind of cavity structure of double-color mold | |
| CN103395173B (en) | A kind of PP large transfusion bottle preform mould entering glue based on three-clove style | |
| CN203543013U (en) | Die for solving product surface shrinkage | |
| CN203221626U (en) | Embedded movable compression column mold structure | |
| CN205767168U (en) | A kind of injection machine of improvement | |
| CN205202023U (en) | Door wire harness sheath forming die | |
| CN100528526C (en) | Feeding structure of die and die employing same | |
| CN203567081U (en) | Injection mold for automobile washing cover plate | |
| CN201863352U (en) | Injection mold | |
| CN203449551U (en) | Pouring gate structure of injection molding mold | |
| CN203236655U (en) | Plastic product forming die | |
| CN105697899A (en) | Copper insert structure for preventing seepage | |
| CN205130282U (en) | Injection mold the gating system | |
| CN110053219A (en) | A kind of injection mold | |
| CN104512009A (en) | Die casting mould and method for producing hollow plastic moulded part using umbrella-type sprue | |
| CN203863938U (en) | Air-assisted forming mold for automobile handles | |
| CN205416230U (en) | Thermal -insulated runner cover | |
| CN202781642U (en) | Female mold insert core of injection molding mold | |
| CN102765164B (en) | Plastic mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140312 |