CN105711249A - Paper product laminating process - Google Patents
Paper product laminating process Download PDFInfo
- Publication number
- CN105711249A CN105711249A CN201610146954.2A CN201610146954A CN105711249A CN 105711249 A CN105711249 A CN 105711249A CN 201610146954 A CN201610146954 A CN 201610146954A CN 105711249 A CN105711249 A CN 105711249A
- Authority
- CN
- China
- Prior art keywords
- plastic sheeting
- article
- pressure
- plastic film
- mould
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/08—Print finishing devices, e.g. for glossing prints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention relates to a paper product laminating process which comprises the following steps: step 1, enabling a plastic film to form a three-dimensional shape, wherein the three-dimensional shape is defined on the basis of the surface shape decorated by the plastic film according to an object; step 2, putting the plastic film in three-dimension shape and the object to an airtight die in vacuum environment; step 3, heating the plastic film in the airtight die, so that the bonding layer of the plastic film is changed to a viscose state from a solid state, and the plastic film produces extensibility; step 4, reducing air pressure between the plastic film and the object to a negative pressure state, so that the bonding layer of the plastic film is attached to the surface of the object; and step 5, uniformly applying a pressure to the outer surface of the plastic film, wherein the pressure can be a mechanical pressure or a gas pressure, so that the plastic film can be completely and smoothly attached to the surface of the object, and can tightly laminate and extend along the camber, the convex part, the concave part and other irregular parts on the surface of the object.
Description
Technical field
The present invention relates to thin film and attach technical field, particularly to a kind of paper product coating technique.
Background technology
About the attached method giving decorative pattern or pattern of three-dimensional surface at article, screen painting mode can be adopted.First, patterned layer is printed in the surface of article, makes patterned layer determine after article surface, again through vacuum or hot-forming make these article present predetermined three-dimensional shape together with patterned layer.
Such scheme one drawback is that need to the careful especially printed material selecting patterned layer, with the plastic raw materials of thermostability for preferably, it is to avoid follow-up vacuum or hot-forming processing procedure destroy patterned layer.The two of shortcoming, are adopt screen painting mode that the performance of each side such as the color of patterned layer, figure, decorative pattern, gloss, light and shade can be made to be subject to a lot of restriction.The three of shortcoming, are the bent arc junction of the article situations that occur patterned layer to split or peel off when molding because of tension change.The four of shortcoming, are that patterned layer is not easily adhered to for a long time, and namely the situation that patterned layer is peeled off gradually can occur after using a period of time.
Summary of the invention
An object of the present invention is to provide a kind of paper product coating technique, takes to replace screen printing technology with pattern thin film.In other words, it is in the way of attaching pattern thin film, carry out finishing on the surface of article.Compared to screen painting, pattern thin film can show more diversified color, figure, decorative pattern, gloss, light and shade performance, and can keep for a long time.
The two of the purpose of the present invention are to provide a kind of paper product coating technique, which solve and how to make the attachment that pattern thin film can be smooth along the three-dimensional shape of article surface, in particular how overcome the thin film attaching no wrinkle of curved surface, fluctuating intersection, corner, without the problem of fracture.
The three of the purpose of the present invention are to provide a kind of paper product coating technique, which solve and how to avoid causing because of bubble between pattern thin film and article surface attaching irregular problem.
The four of the purpose of the present invention are to provide a kind of paper product coating technique, which solve in the process attaching pattern thin film, scratch that how surface of protective film does not produce because of external force (such as getting rid of the extruding force of bubble) or the problem of breakage.
For achieving the above object, the present invention takes techniques below scheme:
A kind of paper product coating technique, it includes:
Step one, is shaped to a three-dimensional shape by plastic sheeting, and described three-dimensional shape is based on the shape on surface that article are intended to modify with plastic sheeting and defines；
Step 2, is placed in the plastic sheeting and this article that are shaped to this three-dimensional shape in an airtight mould that can realize vacuum environment；
Step 3, heats this plastic sheeting in this airtight mould, makes the following layer of this plastic sheeting transfer viscose state to from solid-state, and makes this plastic sheeting produce ductility；
Step 4, is down to negative pressure state by the air pressure between this plastic sheeting and this article, makes this plastic sheeting be attached at this article surface with this following layer；
Step 5, imports an external pressure and enters on this inside mould, and the surface of this plastic sheeting is applied a uniform pressure, gets rid of the clearance and air that are present between this plastic sheeting and this article, makes the surface being attached at these article that this plastic sheeting is closely smooth.
External pressure described in step 5, is import the atmospheric pressure within described upper mould by the pore set by described upper mould.
External pressure described in step 5, is the pore by described upper mould and imports the forced air within described upper mould.
The mechanical pressure that external pressure described in step 5 is to stretch into the inside of described upper mould and the surface of described plastic sheeting is applied.
The invention has the beneficial effects as follows: the method that plastic sheeting is pasted to an article surface of the present invention, can attaching plastic sheeting on the surface of any article, the prefabricated shades of colour of this plastic sheeting, figure, decorative pattern, gloss, light and shade show, to modify article surface；A solid figure made in advance by plastic sheeting according to the surface configuration of article, and therefore plastic sheeting can be attached to the surface of article in a mold very accurately, and the three-dimensional shape complying with article completely adheres to.Particularly curved surface, fluctuating intersection, corner thin film patch still keep smooth close extend laminating.With the scheme such as gas pressure or soft mechanical pressure, Plastic film surface is pressed, get rid of the clearance between plastic sheeting and article surface and air, make what plastic sheeting can be substantially flat to fit in article surface, and the scratch of pressure will not be formed in Plastic film surface.The present invention can reduce the activity duration, improves yield.
Accompanying drawing explanation
Fig. 1 is plastic sheeting of the present invention and article schematic diagram in a device.
Fig. 2 is the cross-section structure enlarged diagram of plastic sheeting of the present invention.
Fig. 3 is that the present invention makes plastic sheeting fit in the schematic diagram of article surface in a mold with negative pressure mode.
Fig. 4 is that the present invention makes plastic sheeting fit in the schematic diagram of article surface in a mold with negative pressure mode merging the first external pressure of importing.
Fig. 5 is that the present invention makes plastic sheeting fit in the schematic diagram of article surface in a mold with negative pressure mode merging importing the second external pressure.
Fig. 6 is that the present invention makes plastic sheeting fit in the schematic diagram of article surface in a mold with negative pressure mode merging the third external pressure of importing.
Drawing reference numeral: 10: vacuum system；11: pipeline；12: pipeline；13: switch；14: switch；20: counterdie；21: article；22: die cavity；30: medium-space；31: plastic sheeting；311: following layer；312: patterned layer；313: plastic layer；314: hardened layer；40: upper mould；401: pore；41: pore；42: die cavity；45: pressure air piping system；50: heater；60: mechanical press device；61: soft elastic pressure assembly.
Detailed description of the invention
Such as Fig. 1, assembly of the invention, generally comprise the vacuum system 10 of mould 40 and counterdie 20 in mould 40, connection on a counterdie 20, one and connect the heater 50 of upper mould 40.Upper mould 40 relative can combine with counterdie 20 and keep airtight.One article 21 are positioned in the die cavity 22 of this counterdie 20, in the die cavity 42 that a plastic sheeting 31 is positioned on this mould 40, and to should the surface of article 21, form a medium-space 30 between the two.This plastic sheeting 31 is pre-formed according to the surface three-dimensional shape of these article 21, and this plastic sheeting 31 has the three-dimensional shape corresponding with these article 21 surface.Vacuum system 10 controls the evacuation operation of counterdie 20 and upper mould 40 respectively by two pipelines 11,12 and switch 13,14.Upper and lower mould evacuation operation can optionally and separately or concurrently be turned on and off.
Such as Fig. 2, the structure of the plastic sheeting 31 of the present invention mainly includes a following layer 311, patterned layer 312, plastic layer (pet layer) 313 and hardened layer 314.The lower surface of plastic layer 313 is patterned layer 312, and the pattern of patterned layer 312 and stereo concave-convex lines are to obtain with printing or transfer modes, and the upper surface of plastic layer 313 is this hardened layer 314, and this following layer 311 is attached to the lower surface of this patterned layer 312.By plastic sheeting 31 according to the three-dimensional shape on this article 21 surface the technical scheme of preforming including but not limited to vacuum forming, hot-forming.
Such as Fig. 3, when namely upper mould 40 and counterdie 20 constitute an airtight mould after combining.Start this heater 50, plastic sheeting 31 in mould on this 40 is heated, heating-up temperature is different according to the characteristic of plastic sheeting, the following layer 311 making plastic sheeting 31 in principle transfers viscose state to from solid-state, and making this plastic sheeting 31 produce ductility, temperature is approximately 110 DEG C ~ 190 DEG C.Afterwards, start this vacuum system 10, the medium-space 30 between these plastic sheeting 31 and this article 21 and die cavity 42 are carried out evacuation.Suction function makes this plastic sheeting 31 attach to the surface of these article 21 with following layer 311, based on this plastic sheeting 31, three-dimensional surface according to these article 21 is pre-formed, and therefore plastic sheeting 31 can attach combination according to the surface configuration of article 21 completely accurately.
After plastic sheeting 31 is attached to this article 21 surface, an external pressure can be imported and enter on this in mould 40, utilize this external pressure that the outer surface of this plastic sheeting 31 is pressed, based on plastic sheeting 31, there is because of heating ductility, therefore when plastic sheeting 31 bears this pressure, the any clearance and air that are present between plastic sheeting 31 and article 21 can be got rid of completely, make the surface being attached at these article 21 that plastic sheeting 31 is more closely more smooth.
Described external pressure, can be as shown in Figure 4, the die wall of upper mould 40 is laid pore 401, this pore 401 is communicated to the outside of mould 40, while vacuum system 10 starts and the plastic sheeting 31 that arrives is attached to this article 21 surface, extraneous atmospheric pressure is automatically imported on this in mould 40 by this pore 401, and the surface of plastic sheeting 31 is pressed, under the dual function of internal evacuation and outside atmospheric pressure, plastic sheeting 31 is made to comply with pressure reduction and the tight smooth article surface that is attached at, and get rid of any clearance being present between plastic sheeting 31 and article 21 and air completely.
Described external pressure, can be as shown in Figure 5, the die wall of upper mould 40 sets a pore 41, this pore 41 connects a pressure air piping system 45, when vacuum system 10 starts, after making plastic sheeting 31 and article 21 surface fit, start this pressure air piping system 45, pressure air is imported on this in mould 40, the surface of plastic sheeting 31 is pressed, utilize gas pressure to get rid of any clearance and air being present between plastic sheeting 31 and article 21 surface, make that plastic sheeting 31 is more closely smooth whole is attached at article 21 surface.
Described external pressure, also can be as shown in Figure 6, a mechanical press device 60 is connected at upper mould 40, this mechanical press device 60 has the soft elastic pressure assembly 61 stretching in mould and stretches in mould, upper surface relative to this plastic sheeting 31, it is preferred that this soft elastic pressure assembly 61 has the three-dimensional shape corresponding with the surface of these article 21.When vacuum system 10 starts, after making plastic sheeting 31 be attached to this article 21 surface, this mechanical press device 60 starts, pressure assembly 61 contact is made to apply pressure to the upper surface of this plastic sheeting 31, utilize mechanical pressure to get rid of any clearance and air being present between plastic sheeting 31 and article 21, make that plastic sheeting 31 is more closely smooth whole is attached at article surface.
Mentioned above, plastic sheeting is attached at the method for article surface by the present invention, including:
Step one, is shaped to intended three-dimensional shape by plastic sheeting, and described three-dimensional shape is based on the shape on surface that article are intended to modify with plastic sheeting and determines；
Step 2, is placed in the plastic sheeting and this article that are shaped to three-dimensional shape in an airtight mould that can realize vacuum environment；
Step 3, heats in this airtight mould to the following layer of this plastic sheeting and transfers viscose state to from solid-state, and make plastic sheeting have ductility；
Step 4, is down to vacuum state by the air pressure between this plastic sheeting and this article, makes this plastic sheeting be attached at this article surface with this following layer；
Step 5, the outer surface of this plastic sheeting is uniformly applied an external pressure, this external pressure can be soft mechanical pressure or gas pressure, make this plastic sheeting substantially flat this article surface that is attached at of energy, and extension can be fitted tightly along the curvature of article surface, protuberance, recess and other irregular portion.
Claims (4)
1. a paper product coating technique, it is characterised in that it includes:
Step one, is shaped to a three-dimensional shape by plastic sheeting, and described three-dimensional shape is based on the shape on surface that article are intended to modify with plastic sheeting and defines；
Step 2, is placed in the plastic sheeting and this article that are shaped to this three-dimensional shape in an airtight mould that can realize vacuum environment；
Step 3, heats this plastic sheeting in this airtight mould, makes the following layer of this plastic sheeting transfer viscose state to from solid-state, and makes this plastic sheeting produce ductility；
Step 4, is down to negative pressure state by the air pressure between this plastic sheeting and this article, makes this plastic sheeting be attached at this article surface with this following layer；
Step 5, imports an external pressure and enters on this inside mould, and the surface of this plastic sheeting is applied a uniform pressure, gets rid of the clearance and air that are present between this plastic sheeting and this article, makes the surface being attached at these article that this plastic sheeting is closely smooth.
2. a kind of paper product coating technique according to claim 1, it is characterised in that the external pressure described in step 5, is import the atmospheric pressure within described upper mould by the pore set by described upper mould.
3. a kind of paper product coating technique according to claim 1, it is characterised in that the external pressure described in step 5, is the pore by described upper mould and imports the forced air within described upper mould.
4. a kind of paper product coating technique according to claim 1, it is characterised in that the external pressure described in step 5, is the mechanical pressure stretching into the inside of described upper mould and the surface of described plastic sheeting being applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146954.2A CN105711249A (en) | 2016-03-15 | 2016-03-15 | Paper product laminating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146954.2A CN105711249A (en) | 2016-03-15 | 2016-03-15 | Paper product laminating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105711249A true CN105711249A (en) | 2016-06-29 |
Family
ID=56157768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146954.2A Pending CN105711249A (en) | 2016-03-15 | 2016-03-15 | Paper product laminating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105711249A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819020A (en) * | 2016-05-20 | 2016-08-03 | 合肥徽宝包装有限公司 | Laminating method |
| CN106003982A (en) * | 2016-05-20 | 2016-10-12 | 合肥徽宝包装有限公司 | Film laminating process for paper products |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2539724B2 (en) * | 1992-03-13 | 1996-10-02 | 株式会社中島ウレタン | Printing method on the surface of molded products |
| CN103085423A (en) * | 2011-10-28 | 2013-05-08 | 珠海格力电器股份有限公司 | Processing technology of film covering member and film covering member processed by same |
| CN103523307A (en) * | 2012-07-06 | 2014-01-22 | 张庆州 | Method for attaching plastic film to surface of article |
-
2016
- 2016-03-15 CN CN201610146954.2A patent/CN105711249A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2539724B2 (en) * | 1992-03-13 | 1996-10-02 | 株式会社中島ウレタン | Printing method on the surface of molded products |
| CN103085423A (en) * | 2011-10-28 | 2013-05-08 | 珠海格力电器股份有限公司 | Processing technology of film covering member and film covering member processed by same |
| CN103523307A (en) * | 2012-07-06 | 2014-01-22 | 张庆州 | Method for attaching plastic film to surface of article |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819020A (en) * | 2016-05-20 | 2016-08-03 | 合肥徽宝包装有限公司 | Laminating method |
| CN106003982A (en) * | 2016-05-20 | 2016-10-12 | 合肥徽宝包装有限公司 | Film laminating process for paper products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105819020A (en) | Laminating method | |
| CN101797789B (en) | Shape self-adaptive in-mold decorating method | |
| CN103523307A (en) | Method for attaching plastic film to surface of article | |
| CN106003982A (en) | Film laminating process for paper products | |
| TW201420370A (en) | A method and an apparatus for stamping a transfer printing layer of a heat printing film onto an uneven surface of a workpiece | |
| CN105711249A (en) | Paper product laminating process | |
| CN107175943A (en) | Heat-transferring method and system | |
| CN1982035A (en) | Vacuum molding methods and apparatus for manufacturing molded article | |
| TW201639711A (en) | Filming method and panel apparatus made thereof | |
| CN103252957B (en) | Surface carbon fiber housing with solid grain and preparation method thereof | |
| WO2016186187A1 (en) | Method for protecting surface of adherend, and surface ornamentation method | |
| TWI537181B (en) | Curved lens film method and device thereof | |
| JP2006503729A (en) | Polyurethane product manufacturing method and related apparatus | |
| CN103753757A (en) | Molding technology and equipment for coating membranes on two sides of composite board | |
| TW201400296A (en) | Method for attaching plastic film to article surface | |
| JP4313282B2 (en) | Metallic decorative part manufacturing method, resin molded product manufacturing method, and metallic decorative part molding mold | |
| JP2000233437A (en) | Method for producing blow-molded article having decorative layer, and blow molding mold | |
| JP2013132826A (en) | In-mold molding method, metal mold for molding in-mold film, and in-mold film | |
| CN215096113U (en) | LFI products | |
| CN102896667B (en) | Process for manufacturing arc moldable mold-pressing door | |
| JP2016175348A (en) | Matted metallic tone decorative sheet, and method for producing the same | |
| JP2021175598A (en) | Manufacturing method of decorative film | |
| TWI433738B (en) | Method of manufacturing decorative board for progressive stamping | |
| CN104723617A (en) | Surface-reinforced fiber product and manufacture method thereof | |
| JPH0229488B2 (en) | HYOHIZAIBUBUNHARISEIKEITAINOSEIZOHOHO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |
|
| WD01 | Invention patent application deemed withdrawn after publication |