CN201342764Y - Rotary inclined-knockout and core-pulling ejection structure - Google Patents
Rotary inclined-knockout and core-pulling ejection structure Download PDFInfo
- Publication number
- CN201342764Y CN201342764Y CNU2008202066323U CN200820206632U CN201342764Y CN 201342764 Y CN201342764 Y CN 201342764Y CN U2008202066323 U CNU2008202066323 U CN U2008202066323U CN 200820206632 U CN200820206632 U CN 200820206632U CN 201342764 Y CN201342764 Y CN 201342764Y
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- oblique top
- rotary
- rotary oblique
- face
- loosing core
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Abstract
The utility model relates to the technical field of molds, in particular to a rotary inclined-knockout and core-pulling ejection structure, which comprises an ejector plate and a back mold core provided with a mold cavity, also comprises a rotary inclined-knockout mechanism, wherein the upper part of the rotary inclined-knockout mechanism is an inclined end, and the lower part thereof is a straight end; the back mold core is provided with an inclined hole communicated with the mold cavity; the inclined hole is matched with the inclined end of the rotary inclined-knockout mechanism, and the inclined end penetrates into the inclined hole; and the lower end of the straight end of the rotary inclined-knockout mechanism is hinged with the ejector plate. The utility model has simple structure, has no interference and collision during the injection molding, ensures the implement of the injection molding and reduces the cost.
Description
Technical field:
The utility model relates to technical field of mold, relates in particular to a kind of rotary oblique top demolding structure of loosing core.
Background technology:
Plastic products are seen everywhere in our life, and its molding mode has multiple, and wherein with being most widely used of injection mo(u)lding, phone housing is exactly a kind of common injection moulded products.
Mobile phone is applied in the daily life more and more widely as a kind of important communication tool.At present, mobile phone market is being contained huge business opportunity, and along with the development of mobile phone market, the consumer is also more and more higher to the requirement of cell phone appearance, and therefore, the development trend of mobile phone also will be the appearance design of paying attention to mobile phone more.The outward appearance of mobile phone largely depends on phone housing, and the colour match of phone housing, luster effect etc. are the important parameter indexs of estimating the cell phone appearance quality, affects consumer's selection.
Plasthetics such as phone housing need injection mo(u)lding in plastic mould, and wherein the interior button hole of phone housing is to realize by the interior button of the plastic mould demolding structure of loosing core.The interior button of the existing plastic mould demolding structure of loosing core, generally adopt in plastic mould orthoscopic ramp-roof structure at an angle to realize, be specially the orthoscopic ramp-roof structure and eject injection-molded item earlier, the orthoscopic ramp-roof structure is finished the demoulding action of loosing core then, thereby realizes the manufacturing of the interior button hole of injection-molded item.Under the more situation of this orthoscopic ramp-roof structure button hole in injection-molded item, because each oblique top all is provided with angle, makes the injection mold structure complexity, and make injection moulding process may interfere the collision phenomenon, cause problems such as injection moulding can't realize, but also increased cost.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, a kind of rotary oblique top demolding structure of loosing core is provided, and this rotary oblique top demolding structure of loosing core is relatively simple for structure, and injection moulding process does not produce to interfere and bumps against phenomenon, guarantee the realization of injection moulding, and reduce cost.
For achieving the above object, the utility model is achieved through the following technical solutions: the rotary oblique top demolding structure of loosing core, and comprise ejector retainner plate and offer the back core rod of die cavity, also comprise rotary oblique top, rotary oblique top top is splay end, and rotary oblique top bottom is straight end; Described back core rod offers the inclined hole that is communicated with die cavity, and the splay end of inclined hole and rotary oblique top is complementary; The splay end of rotary oblique top penetrates inclined hole, and the straight end lower end and the ejector retainner plate of rotary oblique top are hinged.
The splay end of described rotary oblique top comprises inner bevel face, outer oblique angle face and top rade face, and the inner bevel face is located at the inboard of splay end, and outer oblique angle face is located at the outside of splay end, and the top rade face is arranged on the top of splay end.
The angle of described inner bevel face and vertical plane is α, and the angle of outer oblique angle face and vertical plane is β, and the angle of top rade face and vertical plane is θ, and wherein θ is bigger 1 ° than β, and β is bigger 1 ° than α.
Described θ value is 5 °, and the β value is 4 °, and the α value is 3 °.
Described ejector retainner plate is provided with tilted footstock, and the straight end lower end and the tilted footstock of rotary oblique top are hinged.
The straight end lower end of described rotary oblique top is hinged by steady pin and tilted footstock.
Described rotary oblique top comprises opposed left oblique top and right oblique top.
The utility model beneficial effect is: the rotary oblique top of the utility model demolding structure of loosing core is made up of ejector retainner plate, back core rod and rotary oblique top, rotary oblique top top is splay end, rotary oblique top bottom is straight end, back core rod offers the inclined hole that is communicated with die cavity, the splay end of inclined hole and rotary oblique top is complementary, the splay end of rotary oblique top penetrates inclined hole, and the straight end lower end and the ejector retainner plate of rotary oblique top are hinged; Adopt the rotary oblique top of the said structure demolding structure of loosing core, eject in the process of plasthetics at rotary oblique top straight line, when the splay end of rotary oblique top contacts with the inclined hole of back core rod, straight line ejects motion and is obstructed, make the straight end lower end of rotary oblique top rotate around the ejector retainner plate hinged place, and make the upper end of rotary oblique top that angular displacement take place, finish the demoulding action of loosing core when realizing ejecting plasthetics, thereby realize the manufacturing of the interior button hole of injection-molded item; Therefore, this rotary oblique top the relatively simple for structure of demolding structure of loosing core, injection moulding process do not produce to interfere and bump against phenomenon, guarantee the realization of injection moulding, and reduce cost.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is the cutaway view of core rod behind the utility model;
Fig. 4 is the structural representation of the rotary oblique top of the utility model;
Fig. 5 is the A enlarged drawing of Fig. 4;
Fig. 6 is the B enlarged drawing of Fig. 4.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described: extremely shown in Figure 6 as Fig. 1, the rotary oblique top demolding structure of loosing core comprises ejector retainner plate 1 and offers the back core rod 5 of die cavity 4, also comprises rotary oblique top 3, rotary oblique top 3 tops are splay end 11, and rotary oblique top 3 bottoms are straight end 10; Described back core rod 5 offers the inclined hole 6 that is communicated with die cavity 4, and inclined hole 6 is complementary with the splay end 11 of rotary oblique top 3; The splay end 11 of rotary oblique top 3 penetrates inclined hole 6, and straight end 10 lower ends and the ejector retainner plate 1 of rotary oblique top 3 are hinged.The splay end 11 of described rotary oblique top 3 comprises inner bevel face 7, outer oblique angle face 8 and top rade face 9, and inner bevel face 7 is located at the inboard of splay end 11, and outer oblique angle face 8 is located at the outside of splay end 11, and top rade face 9 is arranged on the top of splay end 11.
Described inner bevel face 7 is α with the angle of vertical plane, and outer oblique angle face 8 is β with the angle of vertical plane, and top rade face 9 is θ with the angle of vertical plane, and wherein θ is bigger 1 ° than β, and β is bigger 1 ° than α.Oblique top angle θ is bigger 1 ° than β, the seamed edge of scratch back core rod 5 and oblique top sealing place in the time of can effectively preventing rotary oblique top 3 returns; The oblique top angle beta is bigger 1 ° than α, and more convenient rotary oblique top 3 is done spinning movement for 5 li at the back core rod, and is difficult for being stuck.As preferred implementation, described θ value is 5 °, and the β value is 4 °, and the α value is 3 °.
Described ejector retainner plate 1 is provided with tilted footstock 2, and straight end 10 lower ends and the tilted footstock 2 of rotary oblique top 3 are hinged.As preferred implementation, straight end 10 lower ends of rotary oblique top 3 are hinged by steady pin and tilted footstock 2.Rotary oblique top 3 can be done spinning movement around steady pin.
Described rotary oblique top 3 comprises opposed left oblique top and right oblique top, the common demoulding thimble of loosing core that forms of left oblique top and right oblique top.
During work, rotary oblique top 3 is fixed together by steady pin and tilted footstock 2, and tilted footstock 2 is fixed on the ejector retainner plate 1 of plastic mould.After the plastic mould die sinking, ejector retainner plate 1 driven rotary formula oblique top 3 ejects action.When just beginning to eject, rotary oblique top 3 is carried out straight line and is ejected motion, when the splay end 11 of rotary oblique top 3 contacts with the inclined hole 6 of back core rod 5, straight line ejects motion and is obstructed, rotary oblique top 3 begins to rotate around steady pin, finish the demoulding action of loosing core when realization ejects plasthetics, thereby realize the manufacturing of the interior button hole of injection-molded item; This rotary oblique top the relatively simple for structure of demolding structure of loosing core, injection moulding process do not produce to interfere and bump against phenomenon, guarantee the realization of injection moulding, and reduce cost.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (7)
1, the rotary oblique top demolding structure of loosing core, comprise ejector retainner plate (1) and offer the back core rod (5) of die cavity (4), it is characterized in that: also comprise rotary oblique top (3), rotary oblique top (3) top is splay end (11), and rotary oblique top (3) bottom is a straight end (10); Described back core rod (5) offers the inclined hole (6) that is communicated with die cavity (4), and inclined hole (6) is complementary with the splay end (11) of rotary oblique top (3); The splay end (11) of rotary oblique top (3) penetrates inclined hole (6), and straight end (10) lower end and the ejector retainner plate (1) of rotary oblique top (3) are hinged.
2, the rotary oblique top according to claim 1 demolding structure of loosing core, it is characterized in that: the splay end (11) of described rotary oblique top (3) comprises inner bevel face (7), outer oblique angle face (8) and top rade face (9), inner bevel face (7) is located at the inboard of splay end (11), outer oblique angle face (8) is located at the outside of splay end (11), and top rade face (9) is arranged on the top of splay end (11).
3, the rotary oblique top according to claim 2 demolding structure of loosing core, it is characterized in that: described inner bevel face (7) is α with the angle of vertical plane, outer oblique angle face (8) is β with the angle of vertical plane, top rade face (9) is θ with the angle of vertical plane, wherein θ is bigger 1 ° than β, and β is bigger 1 ° than α.
4, the rotary oblique top according to claim 3 demolding structure of loosing core, it is characterized in that: described θ value is 5 °, and the β value is 4 °, and the α value is 3 °.
5, the rotary oblique top according to claim 1 demolding structure of loosing core, it is characterized in that: described ejector retainner plate (1) is provided with tilted footstock (2), and straight end (10) lower end and the tilted footstock (2) of rotary oblique top (3) are hinged.
6, the rotary oblique top according to claim 5 demolding structure of loosing core, it is characterized in that: straight end (10) lower end of described rotary oblique top (3) is hinged by steady pin and tilted footstock (2).
7, according to each described rotary oblique top of claim 1 to 6 demolding structure of loosing core, it is characterized in that: described rotary oblique top (3) comprises opposed left oblique top and right oblique top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202066323U CN201342764Y (en) | 2008-12-31 | 2008-12-31 | Rotary inclined-knockout and core-pulling ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202066323U CN201342764Y (en) | 2008-12-31 | 2008-12-31 | Rotary inclined-knockout and core-pulling ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201342764Y true CN201342764Y (en) | 2009-11-11 |
Family
ID=41274347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202066323U Expired - Lifetime CN201342764Y (en) | 2008-12-31 | 2008-12-31 | Rotary inclined-knockout and core-pulling ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201342764Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837402A (en) * | 2012-09-28 | 2012-12-26 | 东泰精密模具(苏州)有限公司 | Spiral angle ejection mechanism and mold with same |
| CN103192502A (en) * | 2013-03-14 | 2013-07-10 | 宁波方正汽车模具有限公司 | Straight-ejector-rod inclined core pulling device with small occupied mold space |
| CN108973090A (en) * | 2018-06-26 | 2018-12-11 | 杭州富阳美丽华洁具有限公司 | A kind of releasing process for the ingot stripper and application of the sanitaryware ingot stripper |
-
2008
- 2008-12-31 CN CNU2008202066323U patent/CN201342764Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837402A (en) * | 2012-09-28 | 2012-12-26 | 东泰精密模具(苏州)有限公司 | Spiral angle ejection mechanism and mold with same |
| CN102837402B (en) * | 2012-09-28 | 2014-07-16 | 东泰精密模具(苏州)有限公司 | Spiral angle ejection mechanism and mold with same |
| CN103192502A (en) * | 2013-03-14 | 2013-07-10 | 宁波方正汽车模具有限公司 | Straight-ejector-rod inclined core pulling device with small occupied mold space |
| CN108973090A (en) * | 2018-06-26 | 2018-12-11 | 杭州富阳美丽华洁具有限公司 | A kind of releasing process for the ingot stripper and application of the sanitaryware ingot stripper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan City Zhen'an 523878 corner management section of Dongguan Jin Sheng precision components Limited by Share Ltd Patentee after: Guangdong wins smart group Limited by Share Ltd Address before: Changan town in Guangdong province Dongguan City Zhen'an 523878 corner management section of Dongguan Jin Sheng precision components Limited by Share Ltd Patentee before: Dongguan Janus Precision Components Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |
|
| CX01 | Expiry of patent term |