CN2493388Y - Mould structure for forming plastic sheet shell - Google Patents
Mould structure for forming plastic sheet shell Download PDFInfo
- Publication number
- CN2493388Y CN2493388Y CN 01233475 CN01233475U CN2493388Y CN 2493388 Y CN2493388 Y CN 2493388Y CN 01233475 CN01233475 CN 01233475 CN 01233475 U CN01233475 U CN 01233475U CN 2493388 Y CN2493388 Y CN 2493388Y
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- CN
- China
- Prior art keywords
- formpiston
- former
- mould
- plush copper
- casing forming
- 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 - Lifetime
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Abstract
A mold forming structure of a plastic plate shell comprises a male mould, a male mould pair, a pressure plate, a female die and a top plate. The pressure plate is provided with a plurality of holes in accordance with the male mode raised head are arranged in the female mould. Each raised head facing the male mould is combined with the female mould by sliding with guiding function and positioning function. The elastic supporting of the elastic components are arranged in the top plate. The tablet clamping surface is composed by the plate comprising the end face of the male mould and the pressure plate, and the plate comprising the female mould and the end face facing the male mould. A positioning toon is arranged in the clamping surface, which guarantees precise positioning. A convex closed side jamb is provided in the peripheral male mould surface, therefore the tablet clamping is more tightly clamped and the leveling forming parts are guaranteed. A concave station is arranged in the female mould, therefore a large free distortion area is obtained during the deformation and the forming of the tablet slab. The production quality is improved with proper mould temperature.
Description
Technical field
The utility model relates to a kind of plastic tab sheet casing forming mould structure, and (in-mould decoration, technology IMD) is in order to the mould structure of plastic sheet shells such as moulding such as mobile phone (mobile phone) key plate to refer to book sheet mold insert injection moulding decoration especially.
Background technology
The moulding of plastic sheet shell is that (in-mould decoration is decorated in the injection moulding of thin slice mold insert, IMD) key link of technology, the technological difficulties that thin slice mold insert injection moulding decoration technique is applied to the class of mobile phone (mobile phone) are sheet base printed patterns and the mould location is inaccurate and the pattern typing is unreliable, and forming technique is real not fully up to expectations.
As shown in Figure 1, for known plastic tab sheet casing forming mould, include a patrix 10a and a counterdie 11a.This patrix 10a and counterdie 11a can be done the action of die sinking, matched moulds by suitable driving of press.Be provided with a die cavity (cavitv) 12a between this patrix 10a and the counterdie 11a.This die cavity 12a utilizes elastic parts 13a resiliency supported on counterdie 11a.Sheet base (plastic tab) 14a two limits are positioned on the counterdie 11a with alignment pin 15a.
During moulding, press is exerted pressure patrix 10a is descended, and patrix 10a and counterdie 11a be matched moulds immediately.Import compressed air to sheet base 14a via air inlet 16a then.When exert pressure when being enough to overcome the pretightning force of elastic parts 13a, sheet base 14a promptly is shaped to shell piece.Stop the supple of gas or steam at last, pressure release, then can promote the patrix 10a demoulding, so that take out shell piece.
As shown in Figure 2, for known another kind of plastic tab sheet casing forming mould, include a patrix 20a and a counterdie 21a.Be provided with a die cavity 22a between this patrix 20a and the counterdie 21a.This die cavity 22a is fixedly set on the counterdie 21a.Sheet base (plastic tab) 24a two limits are positioned elastic parts 23a top with alignment pin 25a.This elastic parts 23a is arranged on the counterdie 21a, makes sheet base 24a resiliency supported on counterdie 21a.
During moulding, press is exerted pressure patrix 20a is descended, and patrix 20a and counterdie 21a be matched moulds immediately.Import compressed air to sheet base 24a via air inlet 26a then.When exert pressure when being enough to overcome the pretightning force of elastic parts 23a, sheet base 24a promptly is shaped to shell piece.Stop the supple of gas or steam at last, pressure release, then can promote the patrix 20a demoulding, so that take out shell piece.
Above-mentioned two kinds of known plastic tab sheet casing forming moulds, its sheet base 14a, 24a only utilize alignment pin 15a, the 25a on two limits to be positioned on counterdie 11a, the 21a.When making sheet base 14a, 24a moulding with compressed air, sheet base 14a, 24a produce displacement because of stretcher strain easily, it is unreliable to make sheet base 14a, 24a printed patterns and mould location be forbidden to reach the pattern typing, causes the product fraction defective higher, and product quality also is difficult to promote.Moreover it is to utilize air-pressure forming, and apparatus expensive and need high pressure can cause the lifting of cost.
As from the foregoing, above-mentioned known plastic tab sheet casing forming mould on reality is used, obviously exists inconvenience and shortcoming, and remains to be improved.
The design people is in order to improve above-mentioned shortcoming, is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned shortcoming finally.
Summary of the invention
Main purpose of the present utility model, be to provide a kind of plastic tab sheet casing forming mould structure, the pattern area clamping of sheet base can be positioned formpiston and formpiston between, prevent that effectively the sheet base from producing displacement because of stretcher strain, make printed patterns accurate positioning of sheet base and typing reliable; Be provided with the frame of a projection and sealing at the periphery of pressing plate and former mating surface, make the more firm of sheet base folder, its skeleton effect can guarantee that profiled member is smooth; Deformed area when a side of former and clamping plate mating surface has concave station in order to expansion sheet blank molding is aided with suitable mould temperature collocation, makes the product fraction defective reduce, and quality significantly promotes.
Advantage of the present utility model can utilize heat pressing forming machines that mould is heated, so the sheet base does not need preheating separately, helps accurate positioning.
Another advantage of the present utility model, it need not to be provided with air pressure or hydraulic system, only is equipped with heat pressing forming machines above-mentioned the backform tool to be got final product, and cost is decreased.
In order to reach above-mentioned purpose, the utility model provides a kind of plastic tab sheet casing forming mould structure, and it comprises:
One formpiston, it does not simultaneously have several formpiston plush coppers;
One formpiston is right, and it simultaneously is provided with several formpistons to plush copper, this formpiston to plush copper relative with the formpiston plush copper and to the top;
One pressing plate which is provided with several pressing plate through holes, with formpiston plush copper fit, is provided with the frame of a projection and sealing at the periphery of itself and former mating surface, is provided with elastic parts between this formpiston and the pressing plate; And
One former, the die cavity of former comprise several through holes and the plush copper fit right with formpiston, and are positioned on the pressing plate;
Wherein the formpiston plush copper of this formpiston and pressing plate through hole are slidingly matched, and form sheet base clamping face.
Wherein formpiston right above be provided with top board, be provided with elastic parts between this formpiston pair and the top board.
Wherein formpiston pair is slidingly matched with former (die cavity) through hole by its plush copper and former, forms another sheet base clamping face.
Wherein this former simultaneously is provided with concave station, and this concave station is to be positioned at one side adjacent with formpiston on the former.
And formpiston plush copper and formpiston borrow the elastic parts of executing pretightning force mutually to pushing up the clamping effect that can play printed patterns district on the sheet base to plush copper, have concave station on former, and effective big free deformation zone when making sheet base distortion moulding is in order to the quality that improves product; Borrow lead to connect the upper and lower two lobe moulds of sheet base in aggregates.
Description of drawings
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Fig. 1 is the profile of known plastic tab sheet casing forming mould;
Fig. 2 is the profile of another kind of known plastic tab sheet casing forming mould;
Fig. 3 is a three-dimensional exploded view of the present utility model;
Fig. 4 is a profile of the present utility model;
Fig. 5 is an action schematic diagram of the present utility model ();
Fig. 6 is an action schematic diagram of the present utility model (two);
Fig. 7 is an action schematic diagram of the present utility model (three).
The specific embodiment
Please join Fig. 3 and Fig. 4, the utility model provides a kind of plastic tab sheet casing forming mould structure, it is by a formpiston 10, one formpiston is to 20, one pressing plate 30, one former 40 and a top board 50 are formed, this formpiston 10 and formpiston to 20 adjacent one sides be respectively equipped with several mutually to the top formpiston plush copper 11 and formpiston to plush copper 21, this plush copper 11 is become and is integrally formed at elastic parts and the pressing plate 30 of formpiston 10 by executing pretightning force and forms sheet bases one side clamping face, and formpiston is become plush copper 21 and is integrally formed at formpiston to 20 elastic parts and former 40 formation sheet base opposite side clamping faces by executing pretightning force.
Formpiston is located at above or below the formpiston 10 20, the formpiston of present embodiment is located at formpiston 10 tops to 20, and this formpiston plush copper 11 is arranged at formpiston 10 end faces, and this formpiston is arranged at formpiston to 20 bottom surfaces to plush copper 21, makes this formpiston plush copper 11 and this formpiston to plush copper 21 relatively and can be to the top.
Former 40 is to be the multi-through hole template, which is provided with several formers (die cavity) through hole 41, this former (die cavity) through hole 41 is slidingly matched to plush copper 21 with formpiston, form another sheet base clamping face, this former 40 and formpiston 10 adjacent one sides are provided with concave station 43, when making sheet base distortion moulding bigger free deformation zone is arranged, in order to the quality that improves product, these former 40 built on stilts being fixed on the top board 50.
The difference of the utility model and known plastic tab sheet casing forming mould maximum is, it is right to the formpiston on top to be provided with formpiston, but printed patterns district on the clamping sheet base whereby, printed patterns be stretched displacement and distortion when preventing moulding.
The utility model can be positioned the pattern area clamping of sheet base 80 formpiston of formpiston plush copper 11 relative with formpiston 20 of formpiston 10 between the plush copper 21, borrow the hot press matched moulds to realize the sheet casing forming, make sheet base 80 location very convenient, can prevent effectively that sheet base 80 from producing displacement because of stretcher strain, so reliably (matrix band shell pattern deformation accounts for 90% less than 1% can to make the typing of sheet base 80 printed patterns and mould accurate positioning and pattern, distortion is between 1～2% person about 10%), deformed area when the concave station on former helps enlarging the sheet blank molding, be aided with suitable mould temperature collocation, make the product fraction defective reduce, quality significantly promotes.
During moulding, at the beginning of press is exerted pressure, elastic parts 60,70 in the mould is by further compression (as Fig. 5), sheet base 80 was clamped before this, continue after progressively clamped (as Fig. 6), have only when exert pressure and be enough to overcome the pretightning force of elastic parts 60,70, plush copper 11 could be goed deep into the through hole 41 (as Fig. 7) of former 40 on the formpiston 10, finishes the moulding of sheet shell eventually to matched moulds.And after the pressure release, Qi Moshi, formpiston 10 can borrow the elastic force of elastic parts 60, make the sheet shell eject former 40, finish the demoulding.
Moreover the utility model need not to be provided with air pressure or hydraulic system, only is equipped with heat pressing forming machines the mould mould is got final product, and cost is effectively reduced, and can adopt suitable mould temperature device, mould is heated, so do not need preheating separately.
In sum, the utility model can improve the shortcoming of known plastic tab sheet casing forming mould in fact, and it is unreliable that its sheet base printed patterns and mould location are forbidden and pattern is finalized the design, and utilize air-pressure forming, apparatus expensive and need high pressure cause problems such as cost lifting.Be a rare utility model product, have novelty, creativeness and practicality.
The above only is a preferable possible embodiments of the present utility model, non-so promptly arrest limit claim of the present utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, and all in like manner all is contained in the claim scope of the present utility model.
Claims (9)
1, a kind of plastics book sheet sheet casing forming mould structure is characterized in that comprising:
One formpiston, it does not simultaneously have several formpiston plush coppers;
One formpiston is right, and it simultaneously is provided with several formpistons to plush copper, this formpiston to plush copper relative with the formpiston plush copper and to the top;
One pressing plate which is provided with several pressing plate through holes, with formpiston plush copper fit, is provided with the frame of a projection and sealing at the periphery of itself and former mating surface, is provided with elastic parts between this formpiston and the pressing plate; And
One former, the die cavity of former comprise several through holes and the plush copper fit right with formpiston, and are positioned on the pressing plate.
2, plastic tab sheet casing forming mould structure as claimed in claim 1 is characterized in that the formpiston plush copper of this formpiston and pressing plate through hole are slidingly matched, and forms sheet base clamping face.
3, plastic tab sheet casing forming mould structure as claimed in claim 1, it is characterized in that formpiston right above be provided with top board, be provided with elastic parts between this formpiston pair and the top board.
4, plastic tab sheet casing forming mould structure as claimed in claim 1 is characterized in that formpiston pair is slidingly matched with former (die cavity) through hole by its plush copper and former, forms another sheet base clamping face.
5, plastic tab sheet casing forming mould structure as claimed in claim 1 is characterized in that this former simultaneously is provided with concave station, and this concave station is to be positioned at one side adjacent with formpiston on the former.
6, plastic tab sheet casing forming mould structure as claimed in claim 1, right plush copper is to match to the top to it is characterized in that formpiston and formpiston, and corresponding with corresponding cavity impression through hole.
7,, it is characterized in that sheet base clamping face is provided with the location Chinese toon as claim 2 or 4 described plastic tab sheet casing forming mould structures.
8, plastic tab sheet casing forming mould structure as claimed in claim 8 is characterized in that the sheet base is provided with the locating hole corresponding with locating Chinese toon.
9, plastic tab sheet casing forming mould structure as claimed in claim 1, its feature also comprises lead, be respectively equipped with corresponding pilot hole at top board, formpiston on to, former, pressing plate, the end of this lead is respectively by each above-mentioned pilot hole and be positioned on the shrinkage pool of formpiston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233475 CN2493388Y (en) | 2001-08-20 | 2001-08-20 | Mould structure for forming plastic sheet shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233475 CN2493388Y (en) | 2001-08-20 | 2001-08-20 | Mould structure for forming plastic sheet shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2493388Y true CN2493388Y (en) | 2002-05-29 |
Family
ID=33647299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01233475 Expired - Lifetime CN2493388Y (en) | 2001-08-20 | 2001-08-20 | Mould structure for forming plastic sheet shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2493388Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329174C (en) * | 2004-09-28 | 2007-08-01 | 厦门富懋塑料工业有限公司 | Calibrating die improved structure |
| CN109789659A (en) * | 2016-09-08 | 2019-05-21 | 博浩特股份公司 | Imprint mold for deforming smooth and embossed film |
-
2001
- 2001-08-20 CN CN 01233475 patent/CN2493388Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329174C (en) * | 2004-09-28 | 2007-08-01 | 厦门富懋塑料工业有限公司 | Calibrating die improved structure |
| CN109789659A (en) * | 2016-09-08 | 2019-05-21 | 博浩特股份公司 | Imprint mold for deforming smooth and embossed film |
| CN109789659B (en) * | 2016-09-08 | 2021-10-12 | 博浩特股份公司 | Embossing die for deforming smooth or embossed films |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SILITECH CORP. Free format text: FORMER NAME OR ADDRESS: XULI CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Honghui Industry Co., Ltd. Patentee before: Xuli Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110820 Granted publication date: 20020529 |