CN103507398A - Heat transfer printing device and method - Google Patents
Heat transfer printing device and method Download PDFInfo
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- CN103507398A CN103507398A CN201310464488.9A CN201310464488A CN103507398A CN 103507398 A CN103507398 A CN 103507398A CN 201310464488 A CN201310464488 A CN 201310464488A CN 103507398 A CN103507398 A CN 103507398A
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- transfer printing
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Abstract
The invention discloses a heat transfer printing device and method. The method comprises the steps that 1, a designed pattern is printed on a heat transfer printing piece; 2, the part, with the printed pattern, of the heat transfer printing piece is processed to a transfer printing part with the shape corresponding to the shape of a three-dimensional surface, and the transfer printing part can completely wrap the three-dimensional surface; 3, the pattern of the transfer printing part faces toward and is tightly attached to the three-dimensional surface; 4, an object is placed into the heat transfer printing device, and heat transfer printing is conducted on the object; 5, the heat transfer printing process is finished, and after the heat transfer printing device is cooled, the heat transfer printing piece is peeled, and the object is taken out. Due to the fact that the heat transfer printing method is adopted, the pattern printed on the three-dimensional object is clearer, better in effect and high in production efficiency.
Description
Technical field
The present invention relates to a kind of thermal transfer printing apparatus and method, especially a kind of apparatus and method of the three-dimensional surface of object being carried out to thermal transfer printing.
Background technology
Hot transfer technique is mainly that digital image is printed on the offset medium through specially treated, again by the operations such as heating, pressurization the pattern transfer on offset medium on product, the temperature heating by control, time, pressure can be realized preferably pattern is printed onto to the object on product.Along with era development; more people pursue the product of personal printing; and wish on the products such as porcelain dish, Ipad containment vessel, mobile phone shell, to print personalized pattern by hot transfer technique; but because the surface to be printed of these products is three-dimensional surface; or there is irregular three-dimensional shape; therefore, the hot transfer technique of traditional plane can not meet client's requirement.
Existing hot transfer technique can be realized the printing on object dimensional surface to a certain extent.As depicted in figs. 1 and 2, thermal transfer device comprises cavity 12, bearing carrier 60, object 50, hot transfer film 40, heater 30 and vavuum pump bleeding point 25.Cavity 12 is mainly comprised of upper shell 10 and lower house 20, and forms an accommodation space.Object 50 is plastic housing.Bearing carrier 60 loaded objects 50, and be arranged in above-mentioned accommodation space.Heater 30 is placed on the inwall of upper shell 10, in heater 30, is provided with temperature controller.Vavuum pump bleeding point 25 is arranged on lower house 20 inwalls, is connected with vavuum pump.Hot transfer film 40 is arranged between object 50 and heater 30, and cavity 12 is separated into independently upper space 122 and lower space 121; Because hot transfer film 40 does not have gas permeability, between upper space 122 and lower space 121, cannot carry out gas exchange.Hot transfer process is as follows:
First, hot transfer film 40 does not contact with object 50; Then, heater 30 starts with relatively low power preheating by temperature controller; Follow again, bearing carrier 60 is moved up, until object 50 and hot transfer film 40 laminatings, then move vavuum pump, start cavity 12 to bleed, make lower space 121 form negative pressure, guarantee hot transfer film 40 as much as possible with object 50 laminatings, heater 30 starts with relatively high power heating, so that the pattern transfer on hot transfer film 40 is to object 50; After transfer printing completes, close heater 30, begin to cool down process, stop bleeding and open upper shell 10; Finally, bearing carrier 60 declines, and departs from hot transfer film 40, and pattern is that oneself is transferred on object 50.In above-mentioned hot transfer process; cannot make hot transfer film 40 completely closely connected in object 50 side or darker groove; conventionally can produce small gap p, and hot transfer film 40 also may produce trickle displacement in transfer process, cause hot transfer printing bad.
Summary of the invention
Main purpose of the present invention is to provide the thermal transfer printing device that a kind of object dimensional surface heat-transferring printing effect is better, production efficiency is higher;
Another object of the present invention is to provide a kind of thermal transfer printing method that object dimensional surface heat-transferring printing effect is better, production efficiency is higher.
For realizing above-mentioned main purpose, thermal transfer printing device provided by the invention, for printed patterns on the three-dimensional surface of object, comprises cavity, and for holding hot transfer printing part and object, hot transfer printing part is separated into the first space and second space by cavity; Heater, is arranged in cavity, for heat hot transfer printing part; Temperature controller, for the heating-up temperature of control heater; Air extractor, is arranged in the first space, for making the first space form negative pressure; Bearing carrier, is arranged in the first space, for carrying object; Hot transfer printing part comprises a transfer section, and transfer section has the shape corresponding with three-dimensional surface, and three-dimensional surface can be wrapped up completely.
In technique scheme, hot transfer printing part can not produce displacement, can not cause the closely connected bad of surface to be printed yet, guarantees better hot transfer printing effect; And can complete by hot transfer printing once for the pattern on three-dimensional planar, greatly improve printing efficiency.
Further, in thermal transfer printing device provided by the invention, hot transfer printing part comprises the heat transfer film that one deck is made by silica gel material.
In technique scheme, the heat transfer film of silica gel material can make hot transfer printing part be better processed into given shape.
For realizing another object, thermal transfer printing method provided by the invention, comprises the steps:
The first step: the pattern designing is printed on hot transfer printing part;
Second step: hot transfer printing part is printed to figuratum part and be processed into the transfer section having with the corresponding shape of three-dimensional surface, transfer section can be wrapped up three-dimensional surface completely;
The 3rd step: by the pattern plane of transfer section over against and be close to three-dimensional surface;
The 4th step: object is placed on and carries out hot transfer printing in thermal transfer printing device;
The 5th step: finish hot transfer process, after thermal transfer printing device is cooling, peel off hot transfer printing part, take out object.
In technique scheme, hot transfer printing part can not produce displacement, can not cause the closely connected bad of surface to be printed yet, guarantees better hot transfer printing effect; And can complete by hot transfer printing once for the pattern on three-dimensional planar, greatly improve printing efficiency.
Further, in thermal transfer printing method provided by the invention, hot transfer printing part comprises the heat transfer film that one deck is made by silica gel material.In this technical scheme, the heat transfer film of silica gel material can make hot transfer printing part be better processed into given shape.
Further, in thermal transfer printing method provided by the invention, the processing method in second step comprises:
Analogue formation step: produce the model identical with three-dimensional body;
Thermoplastic shaping step: take model as base, the method by thermoplastic shaping fits at least a portion of hot transfer printing part and model surface, and model surface is corresponding with the surface to be printed of three-dimensional body.
In technique scheme, adopt thermoplastic shaping mode that hot transfer printing part is processed into given shape, easy and simple to handle, effective.
Accompanying drawing explanation
Fig. 1 is in existing thermal transfer device, the schematic diagram of object in hot transfer printing SBR;
Fig. 2 is in existing thermal transfer device, and object carries out the schematic diagram of state in hot transfer printing;
Fig. 3 is in the thermal transfer device of the embodiment of the present invention, the schematic diagram of object in hot transfer printing SBR;
Fig. 4 is the stereogram of hot transfer printing part in Fig. 3;
Fig. 5 is in the thermal transfer device of the embodiment of the present invention, and object carries out the schematic diagram of state in hot transfer printing;
Fig. 6 is the method schematic diagram of the embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
The specific embodiment
Following examples introduce in process for concrete structure or parts, only as those skilled in the art, understand referential illustration of the present invention, those skilled in the art, under the enlightenment of embodiment description technique scheme, can also design or patterning obtains not exceeding the present invention's technical scope or technical spirit various being equal to or similar technical characterictic.Thus, if limit with this exemplary illustration the protection domain that the claims in the present invention include, be unfavorable.Be equal to or be similar to the protection domain that technical scheme of the present invention still belongs to the claims in the present invention.
Device embodiment
As shown in Figure 3, the thermal transfer device of the present embodiment comprises cavity 12, bearing carrier 60, mobile phone protecting case 70, hot transfer printing part 80, heater 30 and vavuum pump bleeding point 25.Cavity 12 is mainly comprised of upper shell 10 and lower house 20, and forms an accommodation space.The hot transfer printing part 80 at cavity 12 middle parts arranging, is separated into separate upper space 122 and lower space 121 by cavity 12; Because hot transfer printing part 80 does not have gas permeability, between upper space 122 and lower space 121, cannot carry out gas exchange.Mobile phone protecting case 70 is cube shaped plastic housing, and He Sige side, the mobile phone protecting case 70 back side all needs printed patterns.Bearing carrier 60 carrying mobile phone protecting cases 70, and be arranged in lower space 121.Heater 30 is placed on the inwall top of upper shell 10.Hot transfer printing part 80 comprises the heat transfer film that one deck is made by silica gel material, and the patterned layer that need to be printed onto on mobile phone protecting case 70 is just formed on this heat transfer film.
As shown in Figure 4, hot transfer printing part 80 has the transfer section 81 corresponding with the three-dimensional surface configuration to be printed of mobile phone protecting case 70, and the cavity that transfer section 81 forms can be close to the surface to be printed of mobile phone protecting case 70.Transfer section 81 is before entering the hot transfer printing stage; be processed to the shape corresponding with the three-dimensional surface to be printed of mobile phone protecting case 70; comprise end face 82He side 83; corresponding with the mobile phone protecting case 70 back side and side respectively; that is to say; the cavity that the end face 82He side 83 of transfer section 81 forms can just in time hold mobile phone protecting case 70, and the surface to be printed that forms of the mobile phone protecting case 70 back side that can be close to of the inwall of end face 81He side 82 and side.
As shown in Figure 5, when carrying out thermal transfer printing, mobile phone protecting case 70 is completely wrapped in the transfer section 81 of hot transfer printing part 80, the surface to be printed of mobile phone protecting case 70 just in time with transfer section 81 in pattern part fit tightly.
Embodiment of the method
In conjunction with Fig. 3 to Fig. 6, the process of the hot transfer printing of the embodiment of the present invention comprises the steps:
The first step: utilize printer the pattern designing to be printed on the heat transfer film of hot transfer printing part 80;
Second step: hot transfer printing part 80 is fitted in to model surface, and it prints figuratum heat transfer film and contacts with model surface, this model is identical with size with the shape of mobile phone protecting case 70, utilizes thermoplastic shaping method, by hot transfer printing part 80 sizings, forms transfer section 81;
The 3rd step: hot transfer printing part 80 and mobile phone protecting case 70 are placed in to cavity 12, wherein, hot transfer printing part 80 cuts off into cavity 12 on two independently mutual air-locked upper space 122 and lower space 121, mobile phone protecting case 70 is placed on bearing carrier 60, by mobile bearing carrier 60, make transfer section 81 wrap mobile phone protecting case 70, guarantee that transfer section 81 prints the surface to be printed that a figuratum side faces mobile phone protecting case 70;
The 4th step: start air extractor, form negative pressure in lower space 121, make transfer section 81 be close to the surface to be printed of mobile phone protecting case 70, start heater 30 and carry out hot transfer process;
The 5th step: hot transfer process finishes, after thermal transfer device is cooling, opens upper shell 10, peels off hot transfer printing part 80, and takes out mobile phone protecting case 70.
Claims (5)
1. thermal transfer printing device, for printed patterns on the three-dimensional surface of object, comprising:
Cavity, for holding hot transfer printing part and described object, described hot transfer printing part is separated into the first space and second space by described cavity;
Heater, is arranged in described cavity, for heating described hot transfer printing part;
Temperature controller, for controlling the heating-up temperature of described heater;
Air extractor, is arranged in described the first space, for making described the first space form negative pressure;
Bearing carrier, is arranged in described the first space, for carrying described object;
It is characterized in that:
Described hot transfer printing part comprises a transfer section, and described transfer section has the shape corresponding with described three-dimensional surface, and described three-dimensional surface can be wrapped up completely.
2. thermal transfer printing device according to claim 1, is characterized in that:
Described hot transfer printing part comprises the heat transfer film that one deck is made by silica gel material.
3. thermal transfer printing method, for printed patterns on the three-dimensional surface of object, comprises the steps:
The first step: the pattern designing is printed on hot transfer printing part;
Second step: described hot transfer printing part is printed to figuratum part and be processed into the transfer section having with the corresponding shape of described three-dimensional surface, described transfer section can be wrapped up described three-dimensional surface completely;
The 3rd step: by the pattern plane of described transfer section over against and be close to described three-dimensional surface;
The 4th step: described object is placed on and carries out hot transfer printing in thermal transfer printing device;
The 5th step: finish hot transfer process, after thermal transfer printing device is cooling, peel off described hot transfer printing part, take out described object.
4. thermal transfer printing method according to claim 3, is characterized in that:
Described hot transfer printing part comprises the heat transfer film that one deck is made by silica gel material.
5. thermal transfer printing method according to claim 4, is characterized in that:
Processing method in described second step comprises:
Analogue formation step: produce and there is the model identical shaped with described three-dimensional surface;
Thermoplastic shaping step: take described model as base, the method by thermoplastic shaping fits at least a portion of described hot transfer printing part and described model surface, and described model surface is corresponding with described three-dimensional surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310464488.9A CN103507398A (en) | 2013-10-08 | 2013-10-08 | Heat transfer printing device and method |
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| CN201310464488.9A CN103507398A (en) | 2013-10-08 | 2013-10-08 | Heat transfer printing device and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105905867A (en) * | 2016-04-25 | 2016-08-31 | 华中科技大学 | Preparation method of three-dimensional surface cis-formal or conformal pattern |
| CN107175943A (en) * | 2017-07-18 | 2017-09-19 | 郑君华 | Heat-transferring method and system |
| CN107297968A (en) * | 2016-04-15 | 2017-10-27 | 鸿富锦精密工业（深圳）有限公司 | Composite surface treatment method |
| CN107297967A (en) * | 2016-04-15 | 2017-10-27 | 鸿富锦精密工业（深圳）有限公司 | composite surface treatment method |
| WO2020143821A1 (en) * | 2019-01-11 | 2020-07-16 | 深圳凯和科技有限公司 | Heat transfer printing method for precise film adhering |
| CN113665235A (en) * | 2021-08-19 | 2021-11-19 | 苏州凌际纺织科技有限公司 | Non-glue-feeling permeation type nano printing process |
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| JP2005290598A (en) * | 2004-03-31 | 2005-10-20 | Sanshou:Kk | Heat transfer printing method and press machine |
| TW200932656A (en) * | 2008-01-31 | 2009-08-01 | Univ Nat Taiwan | Method of micro/nano imprinting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297968A (en) * | 2016-04-15 | 2017-10-27 | 鸿富锦精密工业（深圳）有限公司 | Composite surface treatment method |
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| CN105905867A (en) * | 2016-04-25 | 2016-08-31 | 华中科技大学 | Preparation method of three-dimensional surface cis-formal or conformal pattern |
| CN107175943A (en) * | 2017-07-18 | 2017-09-19 | 郑君华 | Heat-transferring method and system |
| CN107175943B (en) * | 2017-07-18 | 2019-11-08 | 深圳凯和科技有限公司 | Heat-transferring method and system |
| WO2020143821A1 (en) * | 2019-01-11 | 2020-07-16 | 深圳凯和科技有限公司 | Heat transfer printing method for precise film adhering |
| CN113665235A (en) * | 2021-08-19 | 2021-11-19 | 苏州凌际纺织科技有限公司 | Non-glue-feeling permeation type nano printing process |
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Application publication date: 20140115 |