CN204076704U - A kind of product stripping structure with back-off - Google Patents
A kind of product stripping structure with back-off Download PDFInfo
- Publication number
- CN204076704U CN204076704U CN201420487370.8U CN201420487370U CN204076704U CN 204076704 U CN204076704 U CN 204076704U CN 201420487370 U CN201420487370 U CN 201420487370U CN 204076704 U CN204076704 U CN 204076704U
- Authority
- CN
- China
- Prior art keywords
- product
- mold insert
- fixed
- solid plate
- top board
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of product stripping structure with back-off, be installed on cover half, comprise and be fixed on top board (2) on base plate (1) and solid plate (3), and the die (4) be fixed on solid plate (3), also comprise one end and be fixed on push rod (5) on top board (2), push rod (5) other end through solid plate (3) and die (4), and is fixed with the mold insert (6) for shaped article inner surface at end.Demolding structure provided by the utility model, after product injection mo(u)lding, is ejected product by push rod (5), utilizes the ductility of product, is taken off by the product with back-off structure by artificial from mold insert (6).The inner surface structure of mold insert (6) structure and product fits like a glove, and avoids the generation of parting line, is particularly useful for the opaque products can seeing internal structure, can ensures good looking appearance degree.
Description
Technical field
The present invention relates to injection mold field, particularly relate to a kind of product stripping structure with back-off.
Background technology
In injection mold, if injecting products has back-off structure, the mode of the usual employing oblique top demoulding carries out the demoulding, if application number is the Chinese patent of 201210450673.8, while this application is risen by the oblique top product moved upward in drive die cavity, oblique top has inwardly shunk the demoulding, now the long slot bore of oblique top is interior produces a skew force to alignment pin, described vertical edges is close in one end due to back-off oblique top, back-off oblique top cannot complete with oblique top and be synchronized with the movement, the dynamic alignment pin of trying hard to recommend of the vertical direction of the component of this skew force drives back-off oblique top to accelerate to move upward, and then complete the disengaging of the back-off position in back-off oblique top and die cavity.Oblique ejection mode structure not only Mould Machining is complicated, and production cost is high, also can leave parting line on product, affects the aesthetics of product.
Existing a lot of product, for mobile phone protective cover, is substantially all provided with back-off structure, in order to cater to user's request, market have also appeared the mobile phone protective cover of transparent material, and the mobile phone protective cover of transparent material can see inner structure, therefore parting line can affect product quality and outward appearance.
Utility model content
For overcoming the deficiencies in the prior art and Problems existing, the utility model provides that a kind of structure is simple, production cost is low, be convenient to repair and replacement and do not produce the product stripping structure with back-off of parting line.
The utility model is achieved through the following technical solutions:
There is a product stripping structure for back-off, be installed on cover half, comprise and be fixed on top board on base plate and solid plate, and be fixed on the die on solid plate, also comprise one end and be fixed on push rod on top board; The described push rod other end through solid plate and die, and is fixed with the mold insert for shaped article inner surface at end.
Described top board is provided with guide pillar, and solid plate is provided with the guide hole be socketed with guide pillar.
Described guide pillar is socketed with spring, and spring one end and top board are supported, and the other end and solid plate are supported.
Described push rod is provided with the through hole from being through to mold insert stiff end from top board stiff end, and described mold insert is fixed by the screw lock be arranged in through hole.
Described mold insert and die are that cambered surface coordinates.
The lateral surface of described product is provided with side-drawing mechanism.
Demolding structure provided by the utility model, product is for mobile phone protective cover, and after mobile phone protective cover injection mo(u)lding, mould die sinking, is ejected mobile phone protective cover by push rod, is set in the spring-compressed on guide pillar; Because plastic cellphone sheath specifically has certain ductility, therefore by artificial, the mobile phone protective cover with back-off structure is taken off from mold insert; The inner surface structure of insert structure and mobile phone protective cover fits like a glove, and can avoid the generation of parting line; After mobile phone protective cover takes off, be set in the spring reset on guide pillar, the assembling cambered surface of mold insert and die is fitted and is compressed, and carries out injection mo(u)lding next time after mould matched moulds; Suit with guide pillar on spring also available buffer matched moulds time impulse force; The utility model is applicable to the malleable torque product of multiple tool, is particularly useful for the transparent mobile phone protective cover can seeing internal structure; Mold insert and push rod are demountable structure, after the wearing and tearing of Multi-step injection molding mold insert, directly can change mold insert, be convenient to the maintenance of mould.
Accompanying drawing explanation
Fig. 1 is the utility model demolding structure schematic diagram;
Fig. 2 is the utility model matched moulds state sectional view.
In figure: 1-base plate, 2-top board, 3-solid plate, 4-die, 5-push rod, 6-mold insert, 7-guide pillar, 8-spring, 9-screw, 10-mobile phone protective cover.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the utility model is described in further detail.It should be pointed out that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
As shown in accompanying drawing 1,2, product is for mobile phone protective cover, a kind of product stripping structure with back-off, be installed on cover half, comprise and be fixed on top board 2 on base plate 1 and solid plate 3, and be fixed on the die 4 on solid plate 3, also comprise one end and be fixed on push rod 5 on top board 2, push rod 5 other end through solid plate 3 and die 4, and is fixed with the mold insert 6 for shaping mobile phone sheath 10 inner surface at end.Be demountable structure between mold insert 6 and push rod 5, directly mold insert changed at Multi-step injection molding mold insert wearing and tearing back cover, retain miscellaneous part, can maintenance cost be reduced, and keep in repair very convenient.After injection moulding completes, mold insert 6 ejects by push rod 5, and mobile phone protective cover 10 is attached on mold insert 6, because mobile phone protective cover 10 has certain ductility, therefore by manually being taken off from mold insert 6 by mobile phone protective cover 10.In the utility model, the structure of mobile phone protective cover does not adopt traditional slanted ejecting mechanism, and adopt the mold insert 6 fitted like a glove with mobile phone protective cover 10 inner surface to carry out injection moulding and hand ejection, the product of which demoulding does not have parting line, meets the requirement of transparent injected-moulded product to outward appearance.
Described push rod 5 is provided with the through hole being through to mold insert stiff end from top board stiff end, and described mold insert 6 is locked by the screw 9 be arranged in through hole, and other fixed structures also can be adopted to fix mold insert 6 and push rod 5, as clamping etc.Described mold insert 6 for cambered surface coordinates, can ensure the tight ness rating coordinated with die 4, also can adopt the mode that inclined-plane coordinates or ladder coordinates.
Described top board 2 is provided with guide pillar 7, and solid plate 3 is provided with the guide hole be socketed with guide pillar 7.Described guide pillar 7 is socketed with spring 8, and spring 8 one end and top board 2 are supported, and the other end and solid plate 3 are supported, and when product ejects, top board 2 moves forward, and spring 8 compresses; After product takes out, spring 8 resets, and top board 2 and solid plate 3 is supported, and therefore mould resets, then matched moulds carries out injection moulding next time.Spring 8 goes back available buffer matched moulds impulse force when mould matched moulds.
The lateral surface of described mobile phone protective cover 10 is provided with side-drawing mechanism, if when the side of mobile phone protective cover 10 is for facing directly, can arranges side-drawing mechanism and carrying out the demoulding, if the side of mobile phone protective cover is comparatively mild cambered surface, can cancel side-drawing mechanism.Side-drawing mechanism is the mode demoulding utilizing Angle Pin and mold insert to coordinate, and is industry common technology, does not repeat them here.
It should be noted that, the utility model structure is not only applicable to mobile phone protective cover, and being also applicable to other has strict demand and the malleable injecting products of tool, in this citing that just differs to outward appearance.
Claims (6)
1. one kind has the product stripping structure of back-off, be installed on cover half, comprise and be fixed on top board (2) on base plate (1) and solid plate (3), and be fixed on the die (4) on solid plate (3), it is characterized in that: also comprise one end and be fixed on push rod (5) on top board (2); Described push rod (5) other end through solid plate (3) and die (4), and is fixed with the mold insert (6) for shaped article inner surface at end.
2. the product stripping structure with back-off according to claim 1, is characterized in that: described top board (2) is provided with guide pillar (7), solid plate (3) is provided with the guide hole be socketed with guide pillar (7).
3. the product stripping structure with back-off according to claim 2, it is characterized in that: described guide pillar (7) is socketed with spring (8), spring (8) one end and top board (2) are supported, the other end and solid plate (3) are supported.
4. the product stripping structure with back-off according to claim 3, it is characterized in that: described push rod (5) is provided with the through hole being through to mold insert stiff end from top board stiff end, described mold insert (6) is locked by the screw (9) be arranged in through hole.
5. the product stripping structure with back-off according to claim 4, is characterized in that: described mold insert (6) with die (4) for cambered surface coordinates.
6. the product stripping structure with back-off according to claim 5, is characterized in that: the lateral surface of described product is provided with side-drawing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487370.8U CN204076704U (en) | 2014-08-27 | 2014-08-27 | A kind of product stripping structure with back-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487370.8U CN204076704U (en) | 2014-08-27 | 2014-08-27 | A kind of product stripping structure with back-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204076704U true CN204076704U (en) | 2015-01-07 |
Family
ID=52169463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487370.8U Expired - Fee Related CN204076704U (en) | 2014-08-27 | 2014-08-27 | A kind of product stripping structure with back-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204076704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081558A (en) * | 2017-12-28 | 2018-05-29 | 太仓朗盛金属制品有限公司 | A kind of injection mold and its method of work that can accelerate injecting products cooling and demolding |
| CN113561037A (en) * | 2021-09-26 | 2021-10-29 | 南通仁和体育用品有限公司 | Sports pad preparation processingequipment |
-
2014
- 2014-08-27 CN CN201420487370.8U patent/CN204076704U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081558A (en) * | 2017-12-28 | 2018-05-29 | 太仓朗盛金属制品有限公司 | A kind of injection mold and its method of work that can accelerate injecting products cooling and demolding |
| CN113561037A (en) * | 2021-09-26 | 2021-10-29 | 南通仁和体育用品有限公司 | Sports pad preparation processingequipment |
| CN113561037B (en) * | 2021-09-26 | 2021-12-07 | 南通仁和体育用品有限公司 | Sports pad preparation processingequipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT1778451E (en) | Mould for the injection moulding of a plastic piece and moulding method | |
| CN204076704U (en) | A kind of product stripping structure with back-off | |
| CN202174710U (en) | Mould slide block ejector pin device for large-scale injection moulded pieces | |
| CN104802370A (en) | Mold of front mold ejection and demolding structure | |
| CN205326174U (en) | Multi -direction mechanism of loosing core can realize | |
| CN204545371U (en) | Perforation shape back-off die casting for shell mould | |
| CN204149427U (en) | A kind of mould of automatic Composition product in injection molding process | |
| CN102950681A (en) | Plastic mold ejection structure | |
| CN204820166U (en) | Motorcycle apron plate injection mold | |
| CN203697408U (en) | Angle ejector mechanism for injection mold and injection mold | |
| CN203409965U (en) | Secondary parting die structure of moving die | |
| CN202062612U (en) | Injection mould ejection device | |
| CN202943839U (en) | Transparent knob injection mold | |
| CN103057045B (en) | Soft plastic also can be compressed thinning mould by a kind of injection moulding soft touch thermoplastic shape glue in base accessory simultaneously | |
| CN204526012U (en) | A kind of guiding mechanism of die venting gap | |
| CN105313312A (en) | Hot pressing die without ejection rod traces on surfaces of products | |
| CN102133790A (en) | Injection mould ejection device | |
| CN203994352U (en) | A kind of mould structure of forced demoulding | |
| CN203567041U (en) | Forming mechanism of injection mold for automobile washing cover plate | |
| CN202985992U (en) | Side core-pulling mechanism of automobile injection mould | |
| CN204640721U (en) | The Delayed ejection mechanism of injection mold | |
| CN203460397U (en) | Guide groove side pulling mechanism | |
| CN204773274U (en) | Intracavity switching mechanism of double -colored injection is realized to monotype intracavity | |
| CN204604753U (en) | Without the mould structure of thimble vestige on a kind of injecting products | |
| CN203844138U (en) | Die for jointing vertical corners of double cavities of guide slots in large lip sides of vehicle doors |
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: 20150107 Termination date: 20190827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |