CN101927551A - In mold decoration process - Google Patents
In mold decoration process Download PDFInfo
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- CN101927551A CN101927551A CN2009101472742A CN200910147274A CN101927551A CN 101927551 A CN101927551 A CN 101927551A CN 2009101472742 A CN2009101472742 A CN 2009101472742A CN 200910147274 A CN200910147274 A CN 200910147274A CN 101927551 A CN101927551 A CN 101927551A
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- plastic sheeting
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Abstract
The invention discloses an in mold decoration process, comprising the following steps: a plastic film printed with patterns, a first female die, a first male die and a second male die are prepared and the plastic film is arranged on the first female die; the first male die and the first female die are assembled to carry out high-pressure hot forming to form a pit on the plastic film; the first male die and the first female die are separated, without taking the plastic film out of the first female die; a plastic is ejected and formed on the pit on the plastic film to form a semi-finished plastic shell after the second male die and the first female die are assembled; the semi-finished plastic shell is taken down after the first male die and the first female die are separated; and the semi-finished plastic shell is cropped into a finished plastic shell through the cropping process to improve the precision and accelerate the process.
Description
Technical field
The present invention relates to a kind of in-mold decoration processing procedure, refer to a kind of in-mold decoration processing procedure that can improve precision and quicken processing procedure especially.
Background technology
Color and pattern on the housing taked mostly in advance in jetting mold interior trim (In Mold Decoration, worker's method IMD) at present.What the IMD technology was common has three kinds, is respectively IMF (In Mold Forming), IML (In Mold Label) and IMR (In Mold Rolling).The IMD technology is to form pattern and the color that institute's desire forms at film surface in advance, film is inserted in the mould of plastics again, and behind the plastics ejection formation, film promptly can be attached to the frosting of moulding.Utilize the IMD technology can reach quick Fabrication and cost-effective effect.Wherein, preceding two kinds of technology IMF and IML are after making, and film can be stayed frosting as protective layer.
General IMF processing procedure is to be outward appearance with the high-pressure molding with film earlier, and then film is inserted ejection shaping die after with artificial taking-up again, and the casing behind the plastic hardening is combined with film.Also need insert ejection shaping die again after manually will film taking out behind the prior art film forming, not only waste of manpower cost, and waste man-hour is so can't effectively shorten processing procedure.
With film take out insert mould again can't accurate localization and the deviation of position arranged easily, adding film takes out the variations in temperature insert generation again and can make film that the possibility of distortion is slightly arranged, equally also can have influence on the position deviation of film location, and then have influence on plastics and penetrate position on film, above-mentioned disappearance can cause the bad of precision, further allow yield reduce, and speed of production can't effectively shorten.What deserves to be mentioned is, producing on the mobile computer casing, its rate of gross profit has only under 3%～5% the situation, the generation of any one faulty materials all might cause the burden of cost, so the lifting yield is the emphasis in the technological development, to promote rate of gross profit,, urgently await the necessity that improves for the problems referred to above.
Because the disappearance of above-mentioned existing structure, the inventor invents out a kind of in-mold decoration processing procedure, and it is all shortcomings that can overcome above-mentioned existing structure.
Summary of the invention
The technical problem that institute of the present invention desire solves is the above-mentioned disappearance at the prior art existence, and a kind of in-mold decoration processing procedure that can improve precision and quicken processing procedure is provided.
In order to achieve the above object, the invention provides a kind of in-mold decoration processing procedure, it comprises the following steps:
Preparation one is printed with plastic sheeting, one first master mold, one first male model and one second male model of pattern, and described plastic sheeting places on described first master mold;
Described first male model and the described first master mold matched moulds carry out the hot high pressure moulding makes described plastic sheeting form a depression;
Described first male model separates with described first master mold, and does not need described plastic sheeting is taken out by described first master mold;
Behind described second male model and the described first master mold matched moulds plastics ejection formation is formed the plastic casing semi-finished product on the depression of plastic sheeting;
Described first male model with the plastic casing semi-finished product are taken off after described first master mold separates;
Via the cutting edge processing procedure plastic casing semi-finished product are cut into the plastic casing finished product.
Compared with prior art, beneficial effect of the present invention is:
In-mold decoration processing procedure of the present invention utilizes first master mold to cooperate with first male model and second male model respectively to carry out, and does not need in the manufacture process plastic sheeting is taken out, with the precision that improves product and promote yield.
In-mold decoration processing procedure of the present invention alternately cooperates first male model and second male model by the rotation of two master molds, to reach continuous circulation, shortens man-hour to accelerate processing procedure.
Other purpose, advantage and novel characteristics of the present invention will be more obvious from the following detailed description and related drawings.
Description of drawings
Fig. 1 is the manufacturing flow chart of in-mold decoration processing procedure of the present invention;
Fig. 2 is the schematic appearance of in-mold decoration processing procedure plastic sheeting of the present invention;
Fig. 3 inserts the schematic diagram of first master tooling for in-mold decoration processing procedure plastic sheeting of the present invention;
The schematic diagram that Fig. 4 carries out the hot high pressure moulding for in-mold decoration processing procedure plastic sheeting of the present invention;
Fig. 5 is in-mold decoration processing procedure two master molds rotation of the present invention schematic diagram alternately;
Fig. 6 carries out the schematic diagram that plastic shaping penetrates for in-mold decoration processing procedure of the present invention;
The schematic diagram that Fig. 7 separates with first master mold for in-mold decoration processing procedure second male model of the present invention;
Fig. 8 is the half-finished schematic appearance of in-mold decoration processing procedure plastic casing of the present invention;
Fig. 9 is the schematic appearance of in-mold decoration processing procedure plastic casing finished product of the present invention;
Figure 10 is the schematic appearance at another visual angle of in-mold decoration processing procedure plastic casing finished product of the present invention.
Description of reference numerals: 10-first plastic sheeting; First of 101-; Second of 102-; The 11-pattern; The 12-depression; 20-first master mold; The 21-land area; The 22-forming tank; The 23-negative pressure line; 30-first male model; The 31-land area; 32-malleation pipeline; 33-heats pipeline; 40-second male model; The 41-land area; The 42-forming part; The 43-shaping area; 44-Jiao Dao; 45-demoulding portion; The 50-rotating disc; The 51-rotating shaft; 60-plastic casing semi-finished product; 70-plastic casing finished product; 10A-second plastic sheeting; 20A-second master mold; The A-plastics.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
With reference to Fig. 1, be manufacturing flow chart of the present invention.In-mold decoration processing procedure of the present invention, it comprises the following steps:
Preparation one is printed with plastic sheeting, one first master mold, one first male model and one second male model of pattern, and described plastic sheeting places on first master mold;
First male model and the first master mold matched moulds carry out the hot high pressure moulding makes described plastic sheeting form a depression;
First male model separates with first master mold, and does not need described plastic sheeting is taken out by first master mold;
Behind second male model and the first master mold matched moulds plastics ejection formation is formed the plastic casing semi-finished product on the depression of plastic sheeting;
First male model takes off with the plastic casing semi-finished product being ejected after first master mold separates;
Via the cutting edge processing procedure plastic casing semi-finished product are cut into the plastic casing finished product.
With reference to Fig. 2 and Fig. 3, described first plastic sheeting 10 includes first 101 and second 102, the first 101 and is printed with pattern 11.
Second male model 40 has a land area 41, so that described second male model 40 can with first master mold, 20 matched moulds, second male model 40 convexes with a forming part 42, forming part 42 can be embedded in the forming tank 22 of first master mold 20, second male model 40 is provided with a glue road 44 and two demoulding portions 45, glue road 44 and demoulding portion 45 are communicated with the outer surface of forming part 42, and the outer surface of forming part 42 can stretch out in demoulding portion 45.
The present invention also includes the second master mold 20A, two master molds 20,20A are located on the rotating disc 50, two master molds 20,20A are rotated relatively, two master molds 20,20A correspond respectively to first male model 30 and second male model 40, and make two master molds 20,20A in first male model 30 and 40 alternately conversions of second male model by rotating disc 50 rotations.Allow first plastic sheeting 10 place first master mold 20 to carry out high thermocompression forming with first male model 30 earlier, then rotate rotating disc 50 corresponding second male models 30 and carry out the plastics ejection formation.
With reference to Fig. 3 and Fig. 4, first master mold 20 and first male model 30 carry out in the step of hot high pressure moulding, second of first plastic sheeting 10 102 land area 21 that places described first master mold 20 at first, and cover on the forming tank 22 of first master mold 20, follow first male model 30 and first master mold, 20 matched moulds, first male model 30 allows first male model, 30 indirect, first plastic sheeting 10 make it softening by heating pipeline 33 heating first male model 30.
After first plastic sheeting 10 is heated and is softened, the malleation pipeline 32 input malleations of first male model 30 are on the pattern 11 (as shown in Figure 2) of 10 first 101 of first plastic sheetings, 23 of the negative pressure line of first master mold 20 impose the periphery of negative pressure 10 second 102 of first plastic sheetings, utilize malleation and negative pressure to make second 102 of first plastic sheeting 10 to be absorbed in forming tank 22 with plastotype formation one depression 12, first male model 30 separates with first master mold 20 after finishing.
With reference to Fig. 5, first master mold 20 by rotating disc 50 rotations corresponding to second male model 40, and the second master mold 20A corresponding to first male model 30 to process one second plastic sheeting 10A.
With reference to Fig. 6, then with second male model 40 and first master mold, 20 matched moulds, make the forming part 42 of second male model 40 be embedded the forming tank 22 of described first master mold 20,22 of forming part 42 and forming tank form a shaping area 43, carry out plastics A ejection formation via the glue road 44 of second male model 40 and will fill up shaping area 43 on the pattern 11 (as shown in Figure 2) of 10 first 101 of first plastic sheetings and form plastic casing semi-finished product 60, plastics A can bind with demoulding portion 45 simultaneously.
With reference to Fig. 7 and Fig. 8, following described second male model 40 separates with first master mold 20, plastic casing semi-finished product 60 and then second male model 40 separate with first master mold 20, and the portion of the demoulding simultaneously 45 ejects plastic casing semi-finished product 60, and plastic casing semi-finished product 60 just can take off from demoulding portion 45 then.
With reference to Fig. 9 and Figure 10, after the cutting edge processing procedure cuts into plastic sheeting plate finished product 70 with plastic casing semi-finished product 60, and the plastic sheeting (not shown) is positioned at plastic sheeting plate finished product 70 outer surfaces formation protective layer simultaneously.
Plastic sheeting in the processing procedure of the present invention is inserted first master mold and is rotated corresponding to first male model and second male model by rotating disc, do not need in the manufacture process plastic sheeting is taken out, so can not have influence on the precision of the processing procedure of plastics ejection formation in the processing procedure with the lifting product.And by the revolving replacement of rotating disc reaching continuous circulation, to accelerate processing procedure.
Can summarize the present invention with regard to the above and have following advantage:
1. in-mold decoration processing procedure of the present invention, it utilizes first master mold to cooperate with first male model and second male model respectively to carry out, do not need in the manufacture process plastic sheeting is taken out, allow the position of film fix corresponding two male models and not have deviation, to improve the yield of precision and improving product.
2. in-mold decoration processing procedure of the present invention need to be manually plastic sheeting is taken out, to reduce work hours and to reduce cost in its manufacture process.
3. in-mold decoration processing procedure of the present invention, it alternately cooperates first male model and second male model by the rotation of two master molds, to reach continuous circulation processing procedure, with faster production.
More than explanation is for the purpose of the present invention just illustrative, and nonrestrictive, those of ordinary skills understand; in the situation that does not break away from the spirit and scope that following claims limit, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. an in-mold decoration processing procedure is characterized in that it comprises the following steps:
Preparation one is printed with plastic sheeting, one first master mold, one first male model and one second male model of pattern, and described plastic sheeting places on described first master mold;
Described first male model and the described first master mold matched moulds carry out the hot high pressure moulding makes described plastic sheeting form a depression;
Described first male model separates with described first master mold, and does not need described plastic sheeting is taken out by described first master mold;
Behind described second male model and the described first master mold matched moulds plastics ejection formation is formed the plastic casing semi-finished product on the depression of plastic sheeting;
Described first male model with the plastic casing semi-finished product are taken off after described first master mold separates;
Via the cutting edge processing procedure plastic casing semi-finished product are cut into the plastic casing finished product.
2. in-mold decoration processing procedure according to claim 1, it is characterized in that, it has more second master mold, described first master mold and second master mold correspond respectively to described first male model and described second male model, and described first master mold and second master mold can replace between described first male model and described second male model.
3. in-mold decoration processing procedure according to claim 2 is characterized in that, described first master mold and second master mold are located on the rotating disc, makes the rotation of described relatively first male model of described first master mold and second master mold and described second male model alternately.
4. in-mold decoration processing procedure according to claim 1 is characterized in that, in the step of hot high pressure moulding, the softening plastic sheeting of heating earlier makes with malleation and negative pressure that described plastic sheeting is moulding to become described depression again.
5. in-mold decoration processing procedure according to claim 4 is characterized in that, described first male model has one and heats pipeline, so that the described plastic sheeting of the described first male model indirect.
6. according to claim 4 or 5 described in-mold decoration processing procedures, it is characterized in that, described first male model has a malleation pipeline, described first master mold has a forming tank and a negative pressure line, described plastic sheeting is covered in described forming tank, described malleation pipeline is corresponding to described forming tank, and described negative pressure line is corresponding to the periphery of described forming tank.
7. in-mold decoration processing procedure according to claim 1, it is characterized in that, described first master mold has a forming tank, described plastic sheeting takes shape in described forming tank, described second male model has a forming part, described forming part is embedded at described forming tank and forms a shaping area, and described second male model has a Jiao Dao who is communicated with described shaping area outer surface, with the plastics ejection formation on described plastic sheeting.
8. in-mold decoration processing procedure according to claim 7 is characterized in that, described second male model also is provided with a demoulding portion, and described demoulding portion is communicated with the outer surface of described forming part, and the outer surface of described forming part can stretch out in described demoulding portion.
9. in-mold decoration processing procedure according to claim 8 is characterized in that, plastics and described demoulding portion bind, and treat that described second male model separates with described first master mold, and described demoulding portion ejects the plastic casing semi-finished product again takes off.
10. in-mold decoration processing procedure according to claim 8 is characterized in that, described plastic sheeting has first and second, and described first face is printed with pattern, and described second face places on described first master mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101472742A CN101927551A (en) | 2009-06-19 | 2009-06-19 | In mold decoration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101472742A CN101927551A (en) | 2009-06-19 | 2009-06-19 | In mold decoration process |
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| Publication Number | Publication Date |
|---|---|
| CN101927551A true CN101927551A (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101472742A Pending CN101927551A (en) | 2009-06-19 | 2009-06-19 | In mold decoration process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795035A (en) * | 2011-05-24 | 2012-11-28 | 紫白有限公司 | Dibit-replacement in-mould ejection and thermal transfer technology |
| CN106808650A (en) * | 2015-11-27 | 2017-06-09 | 远东科技大学 | Injection molding machine and surface decoration mold used for the same |
| CN106808643A (en) * | 2015-11-27 | 2017-06-09 | 远东科技大学 | Injection molding method and molded article produced by the method |
| CN110435172A (en) * | 2019-09-05 | 2019-11-12 | 东莞广华汽车饰件科技有限公司 | A kind of more coating film forming techniques of quadric injection mould |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006026063A1 (en) * | 2006-06-03 | 2007-12-06 | Krauss Maffei Gmbh | Production of composite plastic moldings with decorative sheet coatings, as furnishing or cladding materials, first molds sheet in one plane, then over-injects plastic mass in another |
-
2009
- 2009-06-19 CN CN2009101472742A patent/CN101927551A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006026063A1 (en) * | 2006-06-03 | 2007-12-06 | Krauss Maffei Gmbh | Production of composite plastic moldings with decorative sheet coatings, as furnishing or cladding materials, first molds sheet in one plane, then over-injects plastic mass in another |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795035A (en) * | 2011-05-24 | 2012-11-28 | 紫白有限公司 | Dibit-replacement in-mould ejection and thermal transfer technology |
| CN106808650A (en) * | 2015-11-27 | 2017-06-09 | 远东科技大学 | Injection molding machine and surface decoration mold used for the same |
| CN106808643A (en) * | 2015-11-27 | 2017-06-09 | 远东科技大学 | Injection molding method and molded article produced by the method |
| CN110435172A (en) * | 2019-09-05 | 2019-11-12 | 东莞广华汽车饰件科技有限公司 | A kind of more coating film forming techniques of quadric injection mould |
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Application publication date: 20101229 |