CN203543014U - Die for solving product surface shrinkage - Google Patents
Die for solving product surface shrinkage Download PDFInfo
- Publication number
- CN203543014U CN203543014U CN201320707862.9U CN201320707862U CN203543014U CN 203543014 U CN203543014 U CN 203543014U CN 201320707862 U CN201320707862 U CN 201320707862U CN 203543014 U CN203543014 U CN 203543014U
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- Prior art keywords
- product surface
- mould
- die core
- shrink
- bulge
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Abstract
The utility model discloses a die for solving product surface shrinkage. The die comprises a female die core, a male die core and a bulge structure, wherein the male die core is arranged below the female die core; a cavity for products to undergo injection molding is formed between the female die core and the male die core; the bulge structure is arranged on the end face of the male die core and is arranged in front of the position, in which a shrinkage part is easy to form, on the cavity in the injection molding liquid flow direction. According to the die, by arranging the bulge structure in front of the position in which the shrinkage part is easy to form, the conventional flow direction state of the injection molding liquid can be changed, so that the injection molding liquid is easier to accumulate on the shrinkage part; therefore, the surface shrinkage of the products subjected to injection molding can be effectively avoided. The die has the characteristics of simplicity in processing and capability of effectively avoiding product surface shrinkage, greatly reducing defective products and reducing waste.
Description
Technical field
The utility model relates to a kind of mould, is 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 deficiency: strengthen and penetrate pressure; 3. dwell time deficiency: 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.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For addressing the above problem, the utility model proposes a kind of mould that product surface shrinks that solves, 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.
The mould shrinking according to solution product surface of the present utility model 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 utlity model has 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 utility model also has following additional technical feature:
Preferably, described easy formation shrink place is the cavity that flows to direction and have angle with injection moulding liquid.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 utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the structural representation of a kind of mold cavity part that solves product surface shrink of the utility model.
description of reference numerals:
Mother module core 1; Male die core 2; Bulge-structure 3; Shrink place 4.
The specific embodiment
Describe embodiment of the present utility model 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 utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, 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. 1,2, a kind of mould that solves product surface shrink according to the utility model embodiment is described.As shown in Figure 1, the mould that solution product surface of the present utility model 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 utility model 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 utlity model has 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 flowing to direction and have the cavity of angle with injection moulding liquid.Cavity is the cavity at cylinder place.Described bulge-structure 3 is also located at injection moulding liquid and flows to the side that is positioned at described die cavity in direction and 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 utility model 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 utility model 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 specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model 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 the cavity that flows to direction and have angle with injection moulding liquid.
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 |
|---|---|---|---|
| CN201320707862.9U CN203543014U (en) | 2013-11-12 | 2013-11-12 | Die for solving product surface shrinkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707862.9U CN203543014U (en) | 2013-11-12 | 2013-11-12 | Die for solving product surface shrinkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203543014U true CN203543014U (en) | 2014-04-16 |
Family
ID=50461180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707862.9U Expired - Fee Related CN203543014U (en) | 2013-11-12 | 2013-11-12 | Die for solving product surface shrinkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203543014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624935A (en) * | 2013-11-12 | 2014-03-12 | 昆山市硕强信息咨询有限公司 | Mould for solving product surface shrinkage |
-
2013
- 2013-11-12 CN CN201320707862.9U patent/CN203543014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624935A (en) * | 2013-11-12 | 2014-03-12 | 昆山市硕强信息咨询有限公司 | Mould for solving product surface shrinkage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141112 |
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| EXPY | Termination of patent right or utility model |