CN101716811A - Method and special mechanism for transferring and printing in mold - Google Patents
Method and special mechanism for transferring and printing in mold Download PDFInfo
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- CN101716811A CN101716811A CN200910212547A CN200910212547A CN101716811A CN 101716811 A CN101716811 A CN 101716811A CN 200910212547 A CN200910212547 A CN 200910212547A CN 200910212547 A CN200910212547 A CN 200910212547A CN 101716811 A CN101716811 A CN 101716811A
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Abstract
The invention discloses a method for transferring and printing in a mold, comprising the following steps: (a) printing patterns on a thin film; (b) attaching the thin film to the cavity of the mold; (c) injecting plastic raw material into the cavity of the mold for molding a plastic piece; and (d) transferring and printing ink printed on the thin film on the molded plastic piece. In the technical scheme, the patterns are directly transferred and printed on the molded plastic piece through the thin film in the process of injecting the plastic raw material into the cavity of the mold for molding the plastic piece, thus some defects of the prior spraying and printing process are overcome. Particularly, the plastic piece can be molded through injecting once and decorated at the same, thus the production cost can be effectively reduced, the working hour can be shortened, and the production efficiency can be improved. Furthermore, it is unnecessary to arrange a plurality of molds due to the adoption of the method, thus the manpower and the time are greatly saved, and the system cost and the inventory cost are reduced.
Description
Technical field
The present invention relates to a kind of trailing of injection mo(u)lding, particularly a kind of inner mould transfer printing method in injection molding process, and a kind of special mechanism of realizing this method.
Background technology
In order to improve the decorate properties of injecting products, people often need be on injecting products the application color, realize decorating, increasing the designs and varieties and the gloss on surface as chromatography, make engineering plastics have metal appearance, hide the painted etc. of the blemish (filamentary silver, water collapse hole, unconspicuous piece, color spot stain etc.) of plastic products and dark plastics.Existing injection surface trailing generally is directly to spray on the surface of injecting products, and motif is painted on the injection surface, and adopt this method to have following shortcomings: (1) layer of paint is blocked up; (2) particle that sprays paint is thick excessively; (3) uniformity of spraying paint is poor; (4) wear no resistance; (5) spray paint the dead angle is arranged; (6) spray paint that easily utilization is improper for material; (7) spray paint and influence the intensity of injection surface; (8) spray paint and make injection surface have dirty point easily, influence the attractive in appearance of injection surface.
And adopt this spraying method that mould is carried out secondary operations, tend to significantly increase manufacturing cost, and can pollute environment.Be sprayed on length of lip-deep printing ink time one of product sheet and be easy to be ground flower or scratch, thereby can reduce the total quality of product or have influence on the attractive in appearance of product appearance.Have again that to adopt this spraying method generally be after formed product, as spray and improperly then can cause waste product, make the percent defective of product raise, increased production cost.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention provides a kind of inner mould transfer printing method, by when the injection mo(u)lding directly on shaped article the transfer decorative pattern overcome the shortcoming of existing spraying method.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of inner mould transfer printing method is characterized in that it comprises the steps:
A) pattern is printed on the film;
B) film is attached in the mold cavity;
C) in mold cavity, inject plastic material, injection mo(u)lding;
D) make the printing ink transfer printing of printing on the film on the plastic of moulding.
Preferably, in step a), need to print successively mould release, printing-ink and solid on the film.
The present invention also provides a kind of special mechanism owing to this inner mould transfer printing method, and its concrete mechanism is as follows:
A kind of special mechanism of inner mould transfer printing method, comprise a patrix and a counterdie, described patrix is removable, described counterdie is fixed, described counterdie is provided with injection moulding apparatus, also comprises a film feeder, and described film feeder is between described patrix and described counterdie, described film feeder comprises that a film feeding unit and a film detach the unit, and described film feeding unit and film detach the both sides that the unit lays respectively at described upper die and lower die.
Preferably, described film feeding unit comprises along the film moving direction and is arranged in order film supply, first straining pulley, the first guiding wheels and first deflecting roller.
Preferably, described film detaches the unit and comprises along the film moving direction and be arranged in order second directive wheel, second straining pulley, second deflecting roller and film reel-motor.
Technique scheme has following beneficial effect: this scheme by when injection mo(u)lding directly with pattern through film transfer on the plastic after the injection mo(u)lding, effectively overcome some shortcomings of existing spraying coating process.Particularly this method only needs single injection-molded moulding and decoration can be reached simultaneously, can effectively produce and reduce cost and man-hour, enhance productivity, and adopt the method not need to offer many molds, great amount of manpower and time be can save, system cost and inventory cost reduced.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the special-purpose mounting mechanism of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
Carrying out in-mold transfer printing is to need motif to be printed on the film at first earlier, at first will print mould release on film when printing, is printing-ink then, prints solid at last.After film printing is finished can by a special mechanism with the pattern transfer on the film on corresponding product.
As shown in Figure 1, this special mechanism comprises movably a patrix 1 and a fixing counterdie 2, and counterdie 2 is connected with an injection moulding apparatus 3.Also be provided with a film feeder between patrix 1 and counterdie 2, this film feeder comprises that a film feeding unit and a film detach the unit, and film feeding unit and film detach the both sides that the unit lays respectively at institute's patrix 1 and counterdie 2.The film feeding unit comprises along the film moving direction and is arranged in order film supply 41, first straining pulley 42, the first guiding wheels 43 and first deflecting roller 44.Film detaches the unit and comprises along the film moving direction and be arranged in order second directive wheel 45, second straining pulley 46, second deflecting roller 47 and film reel-motor 48.
This mechanism in use, at first the film that prints is installed in the film supply 41, and an end of film is connected with the rotating shaft of film reel-motor 48 behind first straining pulley 42, the first guiding wheels 43, first deflecting roller 44, second directive wheel 45, second straining pulley 46, second deflecting roller 47.Because film feeding unit and film detach the both sides that the unit lays respectively at institute's patrix 1 and counterdie 2, so film will pass between patrix 1 and counterdie 2.Can the film between patrix 1 and counterdie 2 be pasted in the die cavity of counterdie 2 by evacuated air or additive method like this, patrix 1 and counterdie 2 matched moulds then, injection moulding apparatus 3 injects plastic material in die cavity, carry out injection mo(u)lding.This moment is because the pattern mould release on the film contacts with film, and solid is connected with the plastic of injection mo(u)lding, and the pattern on the film comes off and is transferred on the plastic from film with regard to being easy to like this, thereby finishes the transfer printing to plastic.Film after being stripped from by pattern is twisted in the rotating shaft of film reel-motor 48 through second directive wheel 45, second straining pulley 46, second deflecting roller 47.
This scheme by when injection mo(u)lding directly with pattern through film transfer on the plastic after the injection mo(u)lding, effectively overcome some shortcomings of existing spraying coating process.Particularly this method only needs single injection-molded moulding and decoration can be reached simultaneously, can effectively produce and reduce cost and man-hour, enhance productivity, and adopt the method not need to offer many molds, great amount of manpower and time be can save, system cost and inventory cost reduced.
More than a kind of inner mould transfer printing method and special mechanism thereof that the embodiment of the invention provided are described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (5)
1. an inner mould transfer printing method is characterized in that it comprises the steps:
A) pattern is printed on the film;
B) film is attached in the mold cavity;
C) in mold cavity, inject plastic material, injection mo(u)lding;
D) make the printing ink transfer printing of printing on the film on the plastic of moulding.
2. inner mould transfer printing method according to claim 1 is characterized in that: need to print successively mould release, printing-ink and solid in step a) on the film.
3. the special mechanism of an inner mould transfer printing method, comprise a patrix and a counterdie, described patrix is removable, described counterdie is fixed, described counterdie is provided with injection moulding apparatus, it is characterized in that: also comprise a film feeder, described film feeder is between described patrix and described counterdie, described film feeder comprises that a film feeding unit and a film detach the unit, and described film feeding unit and film detach the both sides that the unit lays respectively at described upper die and lower die.
4. the special mechanism of inner mould transfer printing method according to claim 3 is characterized in that: described film feeding unit comprises along the film moving direction and is arranged in order film supply, first straining pulley, the first guiding wheels and first deflecting roller.
5. the special mechanism of inner mould transfer printing method according to claim 3 is characterized in that: described film detaches the unit and comprises along the film moving direction and be arranged in order second directive wheel, second straining pulley, second deflecting roller and film reel-motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212547A CN101716811A (en) | 2009-11-12 | 2009-11-12 | Method and special mechanism for transferring and printing in mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212547A CN101716811A (en) | 2009-11-12 | 2009-11-12 | Method and special mechanism for transferring and printing in mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101716811A true CN101716811A (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910212547A Pending CN101716811A (en) | 2009-11-12 | 2009-11-12 | Method and special mechanism for transferring and printing in mold |
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| CN (1) | CN101716811A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179897A (en) * | 2011-03-24 | 2011-09-14 | 深圳创维－Rgb电子有限公司 | Method for manufacturing screen sealing panel, screen sealing panel and television |
| CN102390193A (en) * | 2011-05-27 | 2012-03-28 | 汕头市丽葵玩具有限公司 | Film transfer printing method |
| CN105291673A (en) * | 2014-07-29 | 2016-02-03 | 青岛海尔模具有限公司 | Production method for plastic product with customized pattern, plastic product and diaphragm |
| CN105711032A (en) * | 2016-02-05 | 2016-06-29 | 联想(北京)有限公司 | In mold decoration method and material for electronic equipment |
| CN108790016A (en) * | 2018-04-27 | 2018-11-13 | 滁州晨润工贸有限公司 | The material forming preparation method of overlay film in a kind of dual-thread mould |
| CN109203355A (en) * | 2018-08-09 | 2019-01-15 | 合肥宝龙达精密科技有限公司 | A kind of injection molding plastic mould for notebook computer shell and the injection molding machine using the mold |
| CN109454809A (en) * | 2018-12-27 | 2019-03-12 | 东莞市誉铭新精密技术股份有限公司 | Printer device and method in a kind of IMT mould |
-
2009
- 2009-11-12 CN CN200910212547A patent/CN101716811A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179897A (en) * | 2011-03-24 | 2011-09-14 | 深圳创维－Rgb电子有限公司 | Method for manufacturing screen sealing panel, screen sealing panel and television |
| CN102390193A (en) * | 2011-05-27 | 2012-03-28 | 汕头市丽葵玩具有限公司 | Film transfer printing method |
| CN102390193B (en) * | 2011-05-27 | 2014-11-26 | 汕头市丽葵玩具有限公司 | Film transfer printing method |
| CN105291673A (en) * | 2014-07-29 | 2016-02-03 | 青岛海尔模具有限公司 | Production method for plastic product with customized pattern, plastic product and diaphragm |
| CN105711032A (en) * | 2016-02-05 | 2016-06-29 | 联想(北京)有限公司 | In mold decoration method and material for electronic equipment |
| CN108790016A (en) * | 2018-04-27 | 2018-11-13 | 滁州晨润工贸有限公司 | The material forming preparation method of overlay film in a kind of dual-thread mould |
| CN108790016B (en) * | 2018-04-27 | 2020-07-17 | 滁州晨润工贸有限公司 | Material forming preparation method for double-thread in-mold film coating |
| CN109203355A (en) * | 2018-08-09 | 2019-01-15 | 合肥宝龙达精密科技有限公司 | A kind of injection molding plastic mould for notebook computer shell and the injection molding machine using the mold |
| CN109454809A (en) * | 2018-12-27 | 2019-03-12 | 东莞市誉铭新精密技术股份有限公司 | Printer device and method in a kind of IMT mould |
| CN109454809B (en) * | 2018-12-27 | 2020-12-22 | 东莞华誉精密技术有限公司 | IMT intramode pad printing device and method |
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Application publication date: 20100602 |