CN109720137A - A kind of heat-transferring method for accurate pad pasting - Google Patents
A kind of heat-transferring method for accurate pad pasting Download PDFInfo
- Publication number
- CN109720137A CN109720137A CN201910026342.3A CN201910026342A CN109720137A CN 109720137 A CN109720137 A CN 109720137A CN 201910026342 A CN201910026342 A CN 201910026342A CN 109720137 A CN109720137 A CN 109720137A
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- China
- Prior art keywords
- product
- film
- binding face
- attaching film
- heat
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
Abstract
A kind of heat-transferring method for accurate pad pasting, the method of the present invention is by carrying out precision die cutting to the decorating film for being pasted with transparent adhesion glue according to preset cross cutting size to obtain pre- attaching film, and pre- attaching film is bonded to the binding face for being fixed on product in advance, by the fixed pre- attaching film of fitting and the product are placed in preset time in the gaseous medium with preset temperature and default pressure in advance, the pre- attaching film is fitted in the binding face of the product comprehensively with the temperature and pressure by gaseous medium, the processing of high-precision thermal transfer can be carried out in plane and complex-curved product, the yields that product external surfaces are carried out with decoration and explosion-proof processing greatly improved, good effect is achieved in actual application.
Description
Technical field
The present invention relates to processing and manufacturing technology more particularly to a kind of heat-transferring methods for accurate pad pasting.
Background technique
With the raising and extensive use of digital technology, consumer electronics digital product, electrical home appliances, automobile interior exterior zero are matched
The decoration and explosive-proof protector of part will be used wider and wider general, and the surface of these products is required to carry out decoration and explosive-proof protector.
And in the said goods, the substrate of product is by original colouring plastic, gradually to ceramics, transparent synthetic plate, thoroughly
Many material transitions such as bright PC, transparent glass or even transparent sapphire, and the shape of product also by original single plane,
2.5D shape, to various complex-curved transformations.A period of time from now on, complicated bent product can become mainstream, and traditional heat turns
Impression method can not send out satisfaction has complex-curved product accurate to explosion-proof performance, anti-fold, resistance to compression trace, anti-bubble, fitting
All various needs such as degree, cause enterprise's product yield during carrying out thermal transfer processing lower thus existing
Heat-transferring method has that yields is lower.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of heat-transferring method for accurate pad pasting,
Aim to solve the problem that the problem that processing yields is not high present in heat-transferring method in the prior art.
The present invention is achieved through the following technical solutions:
A kind of heat-transferring method for accurate pad pasting, wherein include:
Precision die cutting is carried out to obtain pre- fitting to the decorating film for being pasted with transparent adhesion glue according to preset cross cutting size
Film；
The binding face for stating pre- attaching film is bonded to the binding face for being fixed on product in advance by pre- abutted equipment；
Judge whether the bending angle of the product is greater than preset bending angle threshold value, if the product is curved
Bent angle is greater than the bending angle threshold value, by the fixed pre- attaching film of fitting and the product are placed in sealing in advance
Bag simultaneously vacuumizes the hermetic bag；
By the fixed pre- attaching film of fitting and the product or the hermetic bag vacuumized are placed in tool in advance
Have preset time in the gaseous medium of preset temperature and default pressure, with by the temperature and pressure of gaseous medium by the pre- patch
Close the binding face that film fits in the product comprehensively；
By the fixed pre- attaching film of fitting and the product are placed in preset temperature and default pressure in advance
Preset time in gaseous medium, the pre- attaching film is fitted in the production by the temperature and pressure of gaseous medium comprehensively
The binding face of product；
Sentence to whether the tightness that the pre- attaching film is bonded with the product is greater than preset tightness threshold value
It is disconnected；
If the tightness that pre- attaching film is bonded with the product is not more than the tightness threshold value, pass through default solidification dress
It sets the intimate curing binding face in the product of the pre- attaching film.
The heat-transferring method for accurate pad pasting, wherein the transparent adhesion glue and the decorating film attach
In membrane surface, the basement membrane is cast polypropylene film, bidirectional stretching polypropylene film or thermoplastic polyurethane film.
The heat-transferring method for accurate pad pasting, wherein described that pre- attaching film will be stated by pre- abutted equipment
Binding face be bonded in advance and be fixed on the binding face of product and include:
By the pre- alignment device in the pre- abutted equipment to the binding face and the product of the pre- attaching film
Binding face carries out accurate contraposition；
The pre- fitting in the part of the pre- attaching film is fixed on by the heating device in the pre- abutted equipment described
The binding face of product.
The heat-transferring method for accurate pad pasting, wherein described that pre- attaching film will be stated by pre- abutted equipment
Lower surface be bonded be fixed on after the front of product in advance, further includes:
Supporting pad is fixedly installed in the non-binding face of the pre- attaching film and the non-binding face of the product.
The described heat-transferring method for accurate pad pasting, wherein the material of the supporting pad be polyurethanes or
Silica gel.
The heat-transferring method for accurate pad pasting, wherein the preset temperature is 60-150 degrees Celsius, described pre-
If pressure is not less than 5kg/cm2。
The heat-transferring method for accurate pad pasting, wherein the gaseous medium is air, nitrogen or indifferent gas
Body.
The heat-transferring method for accurate pad pasting, wherein the preset time is greater than 1 minute.
The described heat-transferring method for accurate pad pasting, wherein the default solidification equipment be air drier and/or
UV ultraviolet lamp.
The utility model has the advantages that
The method of the present invention is by carrying out accurate mould to the decorating film for being pasted with transparent adhesion glue according to preset cross cutting size
It cuts to obtain pre- attaching film, and pre- attaching film is bonded to the binding face for being fixed on product in advance, fixed institute will be bonded in advance
It states pre- attaching film and the product is placed in preset time in the gaseous medium with preset temperature and default pressure, to pass through gas
The pre- attaching film is fitted in the binding face of the product by the temperature and pressure of state medium comprehensively, can be in plane and complicated song
The product in face carries out the processing of high-precision thermal transfer, and the non-defective unit that product external surfaces are carried out with decoration and explosion-proof processing greatly improved
Rate achieves good effect in actual application.
Detailed description of the invention
Fig. 1 is the flow diagram of the heat-transferring method for accurate pad pasting of the invention.
Specific embodiment
The present invention is provided to the heat-transferring methods of accurate pad pasting, to make the purpose of the present invention, technical solution and effect more
Add clear, clear, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the flow diagram of the heat-transferring method for accurate pad pasting of the invention.As shown,
A kind of heat-transferring method for accurate pad pasting, including step S110-S160.
S110, according to it is preset cross cutting size to be pasted with transparent adhesion glue decorating film carry out precision die cutting it is pre- to obtain
Attaching film.Specifically, corresponding cross cutting size can be obtained according to the external dimensions of product, and according to cross cutting size to pre- fitting
The local size of film is adjusted, so that the pre- attaching film carried out after precision die cutting matches with the binding face of product.
Product is the product of to be decorated or pending technological processing for explosion protection feature, be that is to say employed in this case for accurate pad pasting
Heat-transferring method can realize to product carry out decoration and/or to product carry out technological processing for explosion protection feature.The binding face of product that is to say use
In the one side for being bonded pre- attaching film, the non-binding face of product that is to say the back side of product；The binding face of pre- attaching film namely
It is the one side for being pasted with transparent adhesion glue, the non-binding face of pre- attaching film that is to say that pre- attaching film does not attach transparent adhesion glue
One side.
The transparent adhesion glue and the decorating film are attached at membrane surface, and specific attaching mode can be divided into two kinds,
Decorating film and transparent adhesion sticker are invested to the same surface of basement membrane, or decorating film and transparent adhesion glue are attached at basement membrane respectively
The upper surface and the lower surface.Specifically, decorating film can be attached to the lower surface of basement membrane, transparent adhesion sticker is invested into decorating film
Upper surface, to realize the same surface that decorating film and transparent adhesion glue are attached to basement membrane simultaneously；Decorating film can be invested base
The upper surface of film, and transparent adhesion sticker is invested to the lower surface of basement membrane, decorating film and transparent adhesion glue are pasted respectively with realizing
Invest two surfaces of basement membrane.
Wherein, basement membrane has good ductility, and basement membrane can be cast polypropylene (CPP) film, biaxial stretching polypropylene
One of alkene (OPP) film or thermoplastic polyurethane (TPU) film or other films with good ductility.Basement membrane
With a thickness of 0.04-0.15mm.Transparent adhesion glue can be coated with or the mode pasted fits in the surface of basement membrane, transparent joint adhesive
Inviscid at normal temperature, only in the environment of certain temperature and pressure, transparent joint adhesive ability good bond is in the table of product
Face.Wherein, preset decorating film can be fitted in the surface of basement membrane by a variety of methods, can by UV transfer, plating, silk-screen,
Preset decorating film is attached at the surface of basement membrane by offset printing or letterpress.
S120, the binding face for stating pre- attaching film is bonded to the binding face for being fixed on product in advance by pre- abutted equipment.In advance
It include pre- alignment device and heating device in abutted equipment.
Specifically, S120 step specifically includes: by the pre- alignment device in the pre- abutted equipment to the pre- fitting
The binding face of the binding face of film and the product carries out accurate contraposition；By the heating device in the pre- abutted equipment by institute
The binding face of the product is fixed in the pre- fitting in part for stating pre- attaching film.Pre- alignment device is for by pre- attaching film
The device that accurate contraposition is carried out with product, heats pre- attaching film with product by heating device, will can be bonded in advance
Film is locally fixed on the binding face of product, locally fixed to achieve the effect that, that is to say that pre- attaching film is bonded by realization in advance
It is fixed on the binding face of product.
Specifically, after step S120 further include: in the non-binding face of the pre- attaching film and the non-patch of the product
Supporting pad is fixedly installed in conjunction face.Specifically, can be according to the shape of product, partially perforation, material etc. characteristic, at the product back side pair
It answers position that supporting pad is fixedly installed, supporting pad is fixedly installed in the upper surface of pre- attaching film, supporting pad has thin to being bonded in advance
Film carries out the effect of auxiliary fitting, and supporting pad may be selected relatively soft material and make to obtain, such as polyurethanes may be selected
Or material of the silica gel as supporting pad.
S130, whether it is greater than preset bending angle threshold value to the bending angle of the product and judges, if the production
The bending angle of product is greater than the bending angle threshold value, by the fixed pre- attaching film of fitting and the product are placed in advance
It is vacuumized in hermetic bag and to the hermetic bag.Specifically, bending angle threshold value can be set according to the demand of user, in reality
Bending angle can be set to 20 ° -45 ° in the use process of border.It, will if then the bending angle of product is greater than bending angle threshold value
The fixed pre- attaching film of fitting and product are placed in hermetic bag in advance；If the bending angle of product is not more than bending angle threshold
Value, then it is not necessary that pre- attaching film and product to be placed in hermetic bag.
S140, the pre- attaching film that will be bonded fixation in advance and the product or the hermetic bag vacuumized are set
The preset time in the gaseous medium with preset temperature and default pressure, will be described to pass through the temperature and pressure of gaseous medium
Pre- attaching film fits in the binding face of the product comprehensively.If pre- attaching film and product are not placed in hermetic bag, directly
It connects the fixed pre- attaching film of fitting and product are placed in the gaseous medium of preset temperature and default pressure in advance；If pre- fitting
Film and product are placed in hermetic bag, then the hermetic bag for being placed with pre- attaching film and product are placed in preset temperature and pre-
If in the gaseous medium of pressure.Specifically, preset temperature is 60-150 degrees Celsius, presets pressure and be not less than 5kg/cm2, when presetting
Between be greater than 1 minute；Gaseous medium is air, nitrogen or inert gas.Seal cavity will be placed in equipped with pre- attaching film and product
It is interior, and the injection heating gas into seal cavity can pass through after reaching certain pressure intensity in seal cavity and keeping preset time
Decorating film is fitted in the binding face of product by the effect of transparent joint adhesive comprehensively.
S150, whether the tightness that the pre- attaching film is bonded with the product is greater than preset tightness threshold value into
Row judgement.
It can specifically be detected by tightness detection device to obtain the tightness that pre- attaching film is bonded with the product,
And judge the tightness that pre- attaching film is bonded with product with preset tightness threshold value, if pre- attaching film and product
The tightness of fitting is greater than preset tightness threshold value and then shows to have fitted closely between pre- attaching film product；If being bonded in advance thin
The tightness that film is bonded with product then shows not fit closely also between pre- attaching film product no more than tightness threshold value, need to lead to
Other devices are crossed to handle pre- attaching film.
If the tightness that S160, pre- attaching film are bonded with the product is not more than the tightness threshold value, by default
Solidification equipment is by the intimate curing binding face in the product of the pre- attaching film.By solidification equipment by product binding face
After pre- attaching film is solidified, it can substantially enhance pre- attaching film in the adhesive force of product binding face, paste pre- attaching film
It closes even closer.Specifically, solidification equipment may be selected to be air drier or UV ultraviolet lamp, can also by by air drier and
UV ultraviolet lamp, which is combined to obtain solidification equipment, solidifies pre- attaching film.UV ultraviolet light is generated to pre- by UV ultraviolet lamp
Attaching film is solidified, and the performance of resist chemical after pre- attaching film fitting can be substantially enhanced.
By the above method by decorating film good bond in the surface of product, suitable for plane and complex-curved product,
It can avoid generating bubble or fold in decorating film adhesion process, prevent plowing from the outer surface of product, avoid the production when being bonded
Product are damaged, and the yields of enterprise's product during carrying out thermal transfer processing greatly improved.
The method of the present invention is by carrying out accurate mould to the decorating film for being pasted with transparent adhesion glue according to preset cross cutting size
It cuts to obtain pre- attaching film, and pre- attaching film is bonded to the binding face for being fixed on product in advance, fixed institute will be bonded in advance
It states pre- attaching film and the product is placed in preset time in the gaseous medium with preset temperature and default pressure, to pass through gas
The pre- attaching film is fitted in the binding face of the product by the temperature and pressure of state medium comprehensively, can be in plane and complicated song
The product in face carries out the processing of high-precision thermal transfer, and the non-defective unit that product external surfaces are carried out with decoration and explosion-proof processing greatly improved
Rate achieves good effect in actual application.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (9)
1. a kind of heat-transferring method for accurate pad pasting characterized by comprising
Precision die cutting is carried out to obtain pre- attaching film to the decorating film for being pasted with transparent adhesion glue according to preset cross cutting size；
The binding face for stating pre- attaching film is bonded to the binding face for being fixed on product in advance by pre- abutted equipment；
Judge whether the bending angle of the product is greater than preset bending angle threshold value, if the bending angle of the product
Degree is greater than the bending angle threshold value, by the fixed pre- attaching film of fitting and the product are placed in hermetic bag simultaneously in advance
The hermetic bag is vacuumized；
By the fixed pre- attaching film of fitting and the product or the hermetic bag vacuumized are placed in pre- in advance
If preset time in the gaseous medium of temperature and default pressure, with by the temperature and pressure of gaseous medium that the pre- fitting is thin
Film fits in the binding face of the product comprehensively；
Judge whether the tightness that the pre- attaching film is bonded with the product is greater than preset tightness threshold value；
It, will by default solidification equipment if the tightness that pre- attaching film is bonded with the product is not more than the tightness threshold value
The intimate curing binding face in the product of pre- attaching film.
2. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that the transparent adhesion glue and
The decorating film is attached at membrane surface, and the basement membrane is that cast polypropylene film, bidirectional stretching polypropylene film or heat can
Plastic polyurethane film.
3. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that described to be set by being bonded in advance
Include: for the binding face for stating pre- attaching film to be bonded to the binding face for being fixed on product in advance
By the pre- alignment device in the pre- abutted equipment to the binding face of the pre- attaching film and being bonded for the product
Face carries out accurate contraposition；
The product is fixed in the pre- fitting in the part of the pre- attaching film by the heating device in the pre- abutted equipment
Binding face.
4. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that described to be set by being bonded in advance
It is standby that the lower surface for stating pre- attaching film is bonded in advance after the front for being fixed on product, further includes:
Supporting pad is fixedly installed in the non-binding face of the pre- attaching film and the non-binding face of the product.
5. the heat-transferring method according to claim 4 for accurate pad pasting, which is characterized in that the material of the supporting pad
For polyurethanes or silica gel.
6. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that the preset temperature is
60-150 degrees Celsius, the default pressure is not less than 5kg/cm2。
7. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that the gaseous medium is sky
Gas, nitrogen or inert gas.
8. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that the preset time is greater than
1 minute.
9. the heat-transferring method according to claim 1 for accurate pad pasting, which is characterized in that the default solidification equipment
For air drier and/or UV ultraviolet lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026342.3A CN109720137A (en) | 2019-01-11 | 2019-01-11 | A kind of heat-transferring method for accurate pad pasting |
| PCT/CN2020/071633 WO2020143821A1 (en) | 2019-01-11 | 2020-01-13 | Heat transfer printing method for precise film adhering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026342.3A CN109720137A (en) | 2019-01-11 | 2019-01-11 | A kind of heat-transferring method for accurate pad pasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109720137A true CN109720137A (en) | 2019-05-07 |
Family
ID=66298955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910026342.3A Pending CN109720137A (en) | 2019-01-11 | 2019-01-11 | A kind of heat-transferring method for accurate pad pasting |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109720137A (en) |
| WO (1) | WO2020143821A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114103091A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on heating and pressurizing |
| CN114103090A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on air heating |
| CN114103089A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on liquid heating |
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| CN114103091A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on heating and pressurizing |
| CN114103090A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on air heating |
| CN114103089A (en) * | 2020-08-28 | 2022-03-01 | 深圳市能佳自动化设备有限公司 | 3D film pasting method based on liquid heating |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020143821A1 (en) | 2020-07-16 |
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