CN110466252B - Efficient thermal transfer printing film covering and trimming process - Google Patents
Efficient thermal transfer printing film covering and trimming process Download PDFInfo
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- CN110466252B CN110466252B CN201910809531.8A CN201910809531A CN110466252B CN 110466252 B CN110466252 B CN 110466252B CN 201910809531 A CN201910809531 A CN 201910809531A CN 110466252 B CN110466252 B CN 110466252B
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- 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
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Abstract
The invention discloses a high-efficiency thermal transfer printing film-covering trimming process, which comprises the following steps of S1: cleaning the surface of an object to be transferred and a transfer film, and then cutting the transfer film to a required size; s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, and drying after uniform coating; s3, transfer process: the invention fixes the transfer film on the outer surface of the object to be transferred, the size of the PVC film is 0.5-1.5cm larger than the transfer pattern during the film covering treatment, so that the PVC film can safely cover the transfer pattern during the film covering treatment, and after the film covering treatment is finished, a metal plate with the same size as the transfer pattern is placed on the transfer pattern, then the fire burning method is adopted, the fire gun is utilized to burn off the redundant PVC film at the periphery of the transfer pattern, and then the sinter on the surface of the PVC film is swept away, thus the trimming treatment mode is simple and thorough, and the transfer pattern is prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of thermal transfer printing, in particular to a high-efficiency thermal transfer printing film covering and trimming process.
Background
Thermal transfer printing is an emerging printing process, which is introduced abroad for no more than 10 years. The printing mode of the process is divided into two parts of transfer printing film printing and transfer printing processing, wherein the transfer printing film printing adopts dot printing (the resolution ratio reaches 300dpi), patterns are printed on the surface of the film in advance, the printed patterns are rich in layers, bright in color, changeable, small in color difference and good in reproducibility, can achieve the required effect of pattern designers, and is suitable for mass production. The transfer printing processing transfers the exquisite pattern on the transfer printing film on the surface of the product through one-step processing (heating and pressurizing) of a thermal transfer printing machine, and the formed ink layer and the surface of the product are dissolved into a whole, so that the product is vivid and beautiful, and the grade of the product is greatly improved.
After the thermal transfer is finished, in order to protect the transferred pattern, a film covering treatment needs to be carried out on the surface of the transfer pattern, and the transferred pattern is protected by a PVC film, but after the PVC film is covered, redundant edges exist between the PVC film and the transferred pattern, trimming is generally carried out by a trimming knife in the prior art, and in the process, gaps are easy to generate, so that the edges are irregular, and the efficiency is low.
Disclosure of Invention
The invention aims to provide an efficient thermal transfer printing film covering and trimming process, wherein during film covering, the size of a PVC film is 0.5-1.5cm larger than a transfer printing pattern, so that the PVC film can safely cover the transfer printing pattern during film covering, after the film covering is finished, a metal plate with the same size as the transfer printing pattern is placed on the transfer printing pattern, then a fire burning method is adopted, a fire gun is used for burning off the redundant PVC film at the periphery of the transfer printing pattern, and then sinter on the surface of the PVC film is swept away.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency thermal transfer printing film covering and trimming process comprises the following steps:
s1, preparation materials: cleaning the surface of an object to be transferred and a transfer film, and then cutting the transfer film to a required size;
s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, and drying after uniform coating;
s3, transfer process: fixing the transfer printing film on the outer surface of the object to be transferred to enable the transfer printing area to be superposed with the pattern to be transferred, then putting the pattern to be transferred into a thermal transfer printing machine, adjusting the temperature to 160-200 ℃ for 10-15min, carrying out transfer printing treatment, and removing the transfer printing paper on the outer surface of the transfer printing object after the transfer printing is finished;
S4, transfer pattern repair: scanning and displaying the transferred pattern in a display through photographing and scanning, comparing the scanned picture with an original picture of the pattern when a defect is found, transferring a part of the defective pattern to a transfer film, performing transfer processing again, and repairing the defective pattern machine;
s5, film coating treatment: cutting the PVC film to enable the size of the PVC film to be larger than that of the transfer printing pattern, and wrapping the PVC film on the surface of the transfer printing pattern through a film laminating machine;
s6, trimming: after the film covering treatment is finished, a metal plate with the same size as the transfer pattern is placed on the transfer pattern, then the excess PVC film on the periphery of the transfer pattern is burnt by a flame method and a flame gun, and then the sinter on the surface of the PVC film is removed.
Preferably, the size of the PVC film is 0.5-1.5cm larger than the transfer pattern.
Preferably, the flame temperature of the flame is 40-60 ℃.
Preferably, the flame temperature of the torch used in the flame firing method is 45 ℃.
Preferably, the flame temperature of the torch used in the flame firing method is 52 ℃.
Preferably, in the step S2, in the pretreatment process of the object to be transferred, the thermal transfer glue is coated on the surface of the object to be transferred and dried, and then the foaming ink is coated on the surface of the object to be transferred.
The invention provides an efficient thermal transfer printing film covering and trimming process, which has the following beneficial effects:
(1) according to the invention, after the transfer printing treatment is finished, the scanning picture is compared with the original pattern picture in a photographing and scanning mode, the damaged part of the pattern is transferred to the transfer printing film, the transfer printing treatment is carried out again, the transfer printing pattern is completely repaired, and the unqualified integral workpiece caused by the defect of the transfer printing pattern is avoided.
(2) The size of the PVC film is 0.5-1.5cm larger than that of the transfer pattern during the film covering treatment, so that the transfer pattern can be safely covered by the PVC film during the film covering treatment, the metal plate with the same size as the transfer pattern is placed on the transfer pattern after the film covering treatment is finished, then the fire burning method is adopted, the fire gun is used for burning off the redundant PVC film positioned on the periphery of the transfer pattern, and then the sinter on the surface of the transfer pattern is swept away.
Drawings
FIG. 1 is a schematic view of the process structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, the present invention provides a technical solution: a high-efficiency thermal transfer printing film covering and trimming process comprises the following steps:
s1, preparation of materials: cleaning the surface of an object to be transferred and a transfer film, and then cutting the transfer film to a required size;
s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, drying after uniform coating, and coating the foaming ink on the surface;
s3, transfer process: fixing the transfer printing film on the outer surface of the object to be transferred to enable the transfer printing area to be superposed with the pattern to be transferred, then putting the object into a thermal transfer printing machine, adjusting the temperature to 160 ℃ for 10-15min, carrying out transfer printing treatment, and removing the transfer printing paper on the outer surface of the object to be transferred after the transfer printing is finished;
s4, transfer pattern repair: scanning and displaying the transferred pattern in a display through photographing and scanning, comparing the scanned picture with an original picture of the pattern when a defect is found, transferring a part of the defective pattern to a transfer film, performing transfer processing again, and repairing the defective pattern machine;
s5, film coating treatment: cutting the PVC film to enable the size of the PVC film to be 0.5-1.5cm larger than that of the transfer printing pattern, and wrapping the PVC film on the surface of the transfer printing pattern through a film laminating machine;
S6, trimming: after the film covering treatment is finished, a metal plate with the same size as the transfer pattern is placed on the transfer pattern, then the excess PVC film on the periphery of the transfer pattern is burnt by a flame gun by adopting a flame burning method, and then sinter on the surface of the PVC film is swept away, wherein the flame temperature of the flame gun is 40-60 ℃.
Example 2
As shown in fig. 1, the present invention provides a technical solution: a high-efficiency thermal transfer printing film covering and trimming process comprises the following steps:
s1, preparation materials: cleaning the surface of an object to be transferred and a transfer film, and then cutting the transfer film to a required size;
s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, drying after uniform coating, and coating the foaming ink on the surface;
s3, transfer process: fixing the transfer film on the outer surface of the object to be transferred to make the transfer area coincide with the pattern to be transferred, placing the transfer film into a thermal transfer machine, adjusting the temperature to 180 deg.C for 10-15min, performing transfer treatment, and removing the transfer paper on the outer surface of the object after transfer
S4, transfer pattern repair: scanning and displaying the transferred pattern in a display through photographing and scanning, comparing the scanned picture with an original picture of the pattern when a defect is found, transferring a part of the defective pattern to a transfer film, performing transfer processing again, and repairing the defective pattern machine;
S5, film coating treatment: cutting the PVC film to enable the size of the PVC film to be 0.5-1.5cm larger than that of the transfer pattern, and wrapping the PVC film on the surface of the transfer pattern through a film laminating machine;
s6, trimming: after the film covering treatment is finished, a metal plate with the same size as the transfer pattern is placed on the transfer pattern, then the excess PVC film on the periphery of the transfer pattern is burnt by a flame gun by adopting a flame burning method, and then sinter on the surface of the PVC film is swept away, wherein the flame temperature of the flame gun is 44 ℃.
Example 3
As shown in fig. 1, the present invention provides a technical solution: a high-efficiency thermal transfer printing film covering and trimming process comprises the following steps:
s1, preparation materials: cleaning the surface of an object to be transferred and a transfer film, and then cutting the transfer film to a required size;
s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, drying after uniform coating, and coating the foaming ink on the surface;
s3, transfer process: fixing the transfer printing film on the outer surface of the object to be transferred to enable the transfer printing area to be superposed with the pattern to be transferred, then putting the object into a thermal transfer printing machine, adjusting the temperature to 190 ℃ for 10-15min, carrying out transfer printing treatment, and removing the transfer printing paper on the outer surface of the transfer printing object after the transfer printing is finished;
S4, transfer pattern repair: scanning and displaying the transferred pattern in a display through photographing and scanning, comparing the scanned picture with an original picture of the pattern when a defect is found, transferring a part of the defective pattern to a transfer film, performing transfer processing again, and repairing the defective pattern machine;
s5, film coating treatment: cutting the PVC film to enable the size of the PVC film to be 0.5-1.5cm larger than that of the transfer printing pattern, and wrapping the PVC film on the surface of the transfer printing pattern through a film laminating machine;
s6, trimming: after the film covering treatment is finished, a metal plate with the same size as the transfer pattern is placed on the transfer pattern, then the excess PVC film on the periphery of the transfer pattern is burnt by a flame gun by adopting a flame burning method, and then sinter on the surface of the PVC film is swept away, wherein the flame temperature of the flame gun is 57 ℃.
According to the thermal transfer printing film-covering trimming process, during film-covering treatment, the size of the PVC film is 0.5-1.5cm larger than that of the transfer printing pattern, so that the PVC film can safely cover the transfer printing pattern during film-covering treatment, after the film-covering treatment is finished, a metal plate with the same size as the transfer printing pattern is placed on the transfer printing pattern, then a fire burning method is adopted, the excess PVC film on the periphery of the transfer printing pattern is burnt by a fire gun, and then sinter on the surface of the PVC film is swept away.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The high-efficiency thermal transfer printing film covering and trimming process is characterized by comprising the following steps of:
s1, preparation materials: preparing an object to be transferred and a transfer printing film, cleaning the surface of the object to be transferred, and then cutting the transfer printing film to a required size;
s2, pretreatment of the object to be transferred: coating the thermal transfer printing glue on the surface of an object to be transferred, and drying after uniform coating; then smearing the foaming ink on the surface of the foam ink;
s3, transfer process: fixing the transfer printing film on the outer surface of the transfer printing object to ensure that the transfer printing area is superposed with the pattern to be transferred, then putting the transfer printing film into a thermal transfer printing machine, adjusting the temperature to 160-200 ℃ for 10-15min, carrying out transfer printing treatment, and removing the transfer printing paper on the outer surface of the transfer printing object after the transfer printing is finished;
s4, transfer pattern repair: scanning and displaying the transferred pattern in a display through photographing and scanning, comparing the scanned picture with an original picture when a defect is found, transferring the defective part of the pattern to a transfer film, performing transfer processing again, and repairing the defective pattern;
S5, film coating treatment: cutting the PVC film to enable the size of the PVC film to be larger than that of the transfer printing pattern, and wrapping the PVC film on the surface of the transfer printing pattern through a film laminating machine;
s6, trimming: after the film covering treatment is finished, placing a metal plate with the same size as the transfer pattern on the transfer pattern, then burning off the redundant PVC film on the periphery of the transfer pattern by using a flame gun by adopting a flame burning method, and then removing the sinter on the surface of the PVC film;
the size of the PVC film is 0.5-1.5cm larger than the transfer printing pattern;
the flame temperature of the fire gun adopted in the fire-burning method is 40-60 ℃.
2. The high-efficiency thermal transfer coating trimming process according to claim 1, characterized in that: the flame temperature of the flame gun used in the flaming method is 45 ℃.
3. The high-efficiency thermal transfer coating trimming process according to claim 1, characterized in that: the flame temperature of the torch used in the flame firing method is 52 ℃.
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| CN201910809531.8A CN110466252B (en) | 2019-08-29 | 2019-08-29 | Efficient thermal transfer printing film covering and trimming process |
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| CN110466252B true CN110466252B (en) | 2022-06-28 |
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| CN103419521B (en) * | 2012-05-17 | 2017-01-11 | 洪东宇 | Aluminum plate heat transfer printing method |
| CN105711047A (en) * | 2014-12-01 | 2016-06-29 | 焦作飞鸿安全玻璃有限公司 | Method for producing extruded plastic surface thermal transfer metal film decoration product |
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