CN112109465A - Thermal transfer printing method applying shrink film - Google Patents
Thermal transfer printing method applying shrink film Download PDFInfo
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- CN112109465A CN112109465A CN202011024246.4A CN202011024246A CN112109465A CN 112109465 A CN112109465 A CN 112109465A CN 202011024246 A CN202011024246 A CN 202011024246A CN 112109465 A CN112109465 A CN 112109465A
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- Prior art keywords
- shrink film
- thermal transfer
- transfer printing
- transferred
- paper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
Abstract
The invention discloses a thermal transfer printing method applying a shrink film, which comprises the following steps: step a, fixing thermal transfer paper; step b, cutting the first shrink film; step c, sleeving a first shrink film; d, heating the first shrink film to deform and shrink; step e, carrying out thermal transfer printing, preserving heat and cooling; and f, removing the first shrink film transfer paper to obtain a transfer product. The transfer printing method of the invention utilizes the characteristic that the shrink film shrinks after being heated to ensure that the thermal transfer printing paper is attached to the surface of the object to be transferred, and aiming at the object to be transferred with irregular shape, the gap between the thermal transfer printing paper and the object to be transferred is avoided, thereby ensuring the subsequent thermal transfer printing quality. The method can perform local transfer printing or full transfer printing on conventional products and special-shaped products, realize individualized and small-batch production, do not need to purchase expensive special equipment aiming at the special-shaped products, and reduce the cost.
Description
Technical Field
The invention relates to the field of thermal transfer printing, in particular to a thermal transfer printing method applying a shrink film.
Background
The thermal transfer printing is a novel printing process, and the thermal transfer printing processing process comprises the following steps: live the thing of waiting to transfer printing with thermal transfer paper parcel, then with clamping device clip wait to transfer printing thing to make thermal transfer paper hug closely the outer wall, wait to transfer printing thing surface through clamping device and heat, realize the thermal transfer printing.
Because the conventional clamping device is generally in a regular cylindrical shape, for an irregularly-shaped object to be transferred (such as a cone), even if the clamping device is clamped outside the irregularly-shaped object to be transferred, a gap still remains between the inner wall of the clamping device and the outer wall of the object to be transferred, so that the position of the gap cannot be pressed, and the thermal transfer effect at the position of the gap is poor.
If the deformable silica gel pad is adopted to clamp the object to be transferred, although the silica gel pad can be tightly attached to the outer wall of the object to be transferred in an irregular shape through deformation, the silica gel pad must enter the heating incubator along with the object to be transferred, if mass thermal transfer printing needs to be carried out, a large number of silica gel pads need to be used, namely, the productivity or efficiency of the thermal transfer printing is limited by the amount of the silica gel pad, and the cost can be greatly improved.
Disclosure of Invention
The invention aims to provide a thermal transfer printing method applying a shrink film. According to an aspect of the present invention, there is provided a thermal transfer method using a shrink film, including the following:
step a, fixing thermal transfer paper on the surface of an object to be transferred;
b, selecting a shrink film with a corresponding width according to the width of the object to be transferred, and cutting the shrink film with a corresponding length according to the height or length of the object to be transferred to obtain a first shrink film, wherein the shrink film comprises an upper layer and a lower layer, and is in a strip bag shape;
step c, sleeving the first shrink film outside the belt transfer printing paper to enable the thermal transfer printing paper to be located at the middle position in the length direction of the first shrink film;
step d, a blowing gun is used for heating the first shrink film, the first shrink film is heated to deform and shrink, and the first shrink film wraps the object to be transferred and the thermal transfer paper;
e, putting the object to be transferred wrapped by the first shrink film into a transfer printing device for thermal transfer printing under a certain temperature condition, preserving heat for a certain time after the thermal transfer printing is finished, and then taking out and cooling;
and f, after cooling to a certain temperature, removing the first shrink film and the thermal transfer paper to obtain a transfer product.
The invention has the beneficial effects that: by utilizing the characteristic that the shrink film shrinks after being heated, the thermal transfer paper is attached to the surface of the object to be transferred, and a gap between the thermal transfer paper and the object to be transferred is avoided aiming at the object to be transferred in an irregular shape, so that the subsequent thermal transfer quality is ensured. The method can perform local transfer printing or full transfer printing on conventional products and special-shaped products, realize individualized and small-batch production, do not need to purchase expensive special equipment aiming at the special-shaped products, and reduce the cost.
In some embodiments, the thermal transfer paper is fixed on the surface of the object to be transferred by a high temperature resistant adhesive tape in the step a. Through the fixed heat transfer paper of high temperature resistant sticky tape, can guarantee that heat transfer paper is for waiting to transfer printing thing rigidity, avoid heat transfer paper to take place the displacement when the shrink film shrink, guarantee to transfer printing position accuracy.
In some embodiments, the shrink film has a thickness of 0.12 to 0.14 mm. The shrink film with the thickness of 0.12-0.14mm has high shrink force, and after being heated and shrunk, strong pressure can be provided for the thermal transfer paper, so that the thermal transfer paper is tightly attached to the surface of an object to be transferred, and a gap between the thermal transfer paper and the object to be transferred is avoided.
In some embodiments, the upper layer has a thickness of 0.06 to 0.07mm and the lower layer has a thickness of 0.06 to 0.07 mm.
In some embodiments, the temperature heated in step d is from 45 to 60 ℃. The first heat-shrinkable film can be heated to shrink, and the transfer printing performance of the heat transfer printing paper is influenced.
In some embodiments, the temperature conditions in step e are 160-. Under this temperature condition, can guarantee that thermal transfer paper's coating and ink can be abundant carry out the thermal sublimation, guarantee that thermal transfer reaches the best effect.
In some embodiments, the period of time for the incubation in step e is 6 to 17 mim. The heat preservation time is 6-17min, so that the heat transfer effect is more stable.
In some embodiments, the temperature in step f is 40 ℃. The temperature is cooled to 40 ℃, so that the scald is not easy to be burnt during the operation, and the operation safety is ensured.
In some embodiments, the transfer device in step e is one of a heating box or a tunnel oven. The heating box or the tunnel furnace is heated uniformly, so that the object to be transferred is heated uniformly, and the heat transfer effect is improved.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
The heating box in the embodiment selects a DHG-9245A electrothermal blowing drying box supplied by Shanghai Shangzhi instruments and Equipment Limited, the tunnel furnace selects CX-SD-1500 supplied by Shenzhen Shang Xu mechanical equipment Limited to supply a high-temperature tunnel furnace, and the blowing gun selects a temperature-adjusting hot air gun supplied by Shenzhen Jinli science and technology Limited.
The following examples 2 to 4 all used the apparatus of this example 1.
Example 2
The invention relates to a thermal transfer printing method applying a shrink film, which comprises the following steps:
step a, fixedly sticking the thermal transfer paper on the surface of an object to be transferred by using a high-temperature resistant adhesive tape, wherein the object to be transferred is a cone-shaped cup body;
and b, selecting a shrink film with a corresponding width according to the width of the cup body to be cone-shaped, and cutting the shrink film with a corresponding length according to the height of the cone-shaped cup body to obtain a first shrink film, wherein both ends of the first shrink film are open. The thickness of the shrink film is 0.13mm, the shrink film is in a strip bag shape, the shrink film comprises an upper layer and a lower layer, one side of the upper layer is connected with one side of the lower layer, the thickness of the upper layer of the shrink film is 0.06mm, and the thickness of the lower layer of the shrink film is 0.07 mm;
step c, sleeving the first shrink film outside the conical cup body, and enabling the thermal transfer paper to be located in the middle of the first shrink film in the length direction;
step d, blowing hot air by using a blowing gun to heat the first shrink film, wherein the temperature is 52.5 ℃, the first shrink film is heated to deform and shrink, the tapered cup body is tightly wrapped, and the thermal transfer paper is tightly pressed on the outer wall of the tapered cup body;
step e, putting the conical cup body wrapped by the first shrink film into a heating box, carrying out thermal transfer printing at 180 ℃, preserving heat for 11mim after the thermal transfer printing is finished, and then taking out and cooling;
and f, when the temperature is cooled to 40 ℃, removing the first shrink film and the thermal transfer paper to obtain the transferred conical cup body. After cooling, the first shrink film becomes brittle and does not stick to the surface of the transfer, and is easily torn off and cleaned.
Example 3
The invention relates to a thermal transfer printing method applying a shrink film, which comprises the following steps:
step a, fixedly sticking heat transfer paper on the surface of an object to be transferred by using a high-temperature resistant adhesive tape, wherein the object to be transferred is a cup body with an irregular shape;
and b, selecting a shrink film with a corresponding width according to the width of the irregular-shaped cup body, and cutting the shrink film with a corresponding length according to the height of the irregular-shaped cup body to obtain a first shrink film, wherein two ends of the first shrink film are both provided with openings. The thickness of the shrink film is 0.12mm, the shrink film is in a strip bag shape, the shrink film comprises an upper layer and a lower layer, one side of the upper layer is connected with one side of the lower layer, the thickness of the upper layer of the shrink film is 0.06mm, and the thickness of the lower layer of the shrink film is 0.06 mm;
step c, sleeving the first shrink film outside the irregular-shaped cup body, and enabling the thermal transfer paper to be located in the middle of the first shrink film in the length direction;
step d, blowing hot air by using a blowing gun to heat the first shrink film at the temperature of 45 ℃, wherein the first shrink film is heated to deform and shrink, tightly wraps the irregular-shaped cup body, and tightly presses the thermal transfer paper on the outer wall of the irregular-shaped cup body;
step e, placing the irregular cup wrapped by the first shrink film into a tunnel furnace, performing thermal transfer printing at 160 ℃, preserving heat for 6mim after the thermal transfer printing is finished, and then taking out and cooling;
and f, when the temperature is cooled to 40 ℃, removing the first shrink film and the thermal transfer paper to obtain the transferred irregular-shaped cup body.
Example 4
The invention relates to a thermal transfer printing method applying a shrink film, which comprises the following steps:
a, fixedly sticking heat transfer paper on the surface of an object to be transferred by using a high-temperature resistant adhesive tape, wherein the object to be transferred is a stick-shaped object;
and b, selecting the shrink film with the corresponding width according to the width of the rod-shaped object, and cutting the shrink film with the corresponding length according to the height of the rod-shaped object to obtain a first shrink film, wherein both ends of the first shrink film are provided with openings. The thickness of the shrink film is 0.14mm, the shrink film is in a strip bag shape, the shrink film comprises an upper layer and a lower layer, one side of the upper layer is connected with one side of the lower layer, the thickness of the upper layer of the shrink film is 0.07mm, and the thickness of the lower layer of the shrink film is 0.07 mm;
c, sleeving the first shrink film outside the rod-shaped object to enable the thermal transfer paper to be located in the middle of the first shrink film in the length direction;
step d, blowing hot air by using a blowing gun to heat the first shrink film at the temperature of 60 ℃, heating the first shrink film to deform and shrink, tightly wrapping the rod-shaped object, and pressing the thermal transfer paper on the outer wall of the rod-shaped object;
step e, putting the rod-shaped object wrapped by the first shrink film into a heating box, carrying out thermal transfer printing at 200 ℃, preserving heat for 17mim after the thermal transfer printing is finished, and then taking out and cooling;
and f, when the temperature is cooled to 40 ℃, removing the first shrink film and the thermal transfer paper to obtain the transferred stick-shaped object.
By using the thermal transfer printing method applying the shrink film, the thermal transfer printing paper is attached to the surface of the object to be transferred by utilizing the characteristic that the shrink film shrinks after being heated, and aiming at the object to be transferred with an irregular shape, a gap between the thermal transfer printing paper and the object to be transferred is avoided, so that the subsequent thermal transfer printing quality is ensured. The method can perform local transfer printing or full transfer printing on conventional products and special-shaped products, realize individualized and small-batch production, do not need to purchase expensive special equipment aiming at the special-shaped products, and reduce the cost.
The above description is only for the embodiments of the present invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. A thermal transfer method using a shrink film, comprising:
step a, fixing thermal transfer paper on the surface of an object to be transferred;
b, selecting a shrink film with a corresponding width according to the width of the object to be transferred, and cutting the shrink film with a corresponding length according to the height or length of the object to be transferred to obtain a first shrink film, wherein the shrink film comprises an upper layer and a lower layer, and is in a strip bag shape;
step c, sleeving the first shrink film outside the belt transfer printing paper to enable the thermal transfer printing paper to be located at the middle position in the length direction of the first shrink film;
step d, a blowing gun is used for heating the first shrink film, the first shrink film is heated to deform and shrink, and the first shrink film wraps the object to be transferred and the thermal transfer paper;
e, putting the object to be transferred wrapped by the first shrink film into a transfer printing device for thermal transfer printing under a certain temperature condition, preserving heat for a certain time after the thermal transfer printing is finished, and then taking out and cooling;
and f, after cooling to a certain temperature, removing the first shrink film and the thermal transfer paper to obtain a transfer product.
2. The thermal transfer printing method using the shrink film as claimed in claim 1, wherein the thermal transfer printing paper is fixed on the surface of the object to be transferred by a high temperature resistant adhesive tape in the step a.
3. The thermal transfer printing method using a shrink film according to claim 1, wherein the thickness of the shrink film is 0.12 to 0.14 mm.
4. The thermal transfer method using a shrink film according to claim 1, wherein the upper layer has a thickness of 0.06 to 0.07mm, and the lower layer has a thickness of 0.06 to 0.07 mm.
5. The thermal transfer printing method using the shrink film as claimed in claim 1, wherein the temperature of heating in the step d is 45-60 ℃.
6. The thermal transfer printing method using shrink film as claimed in claim 1, wherein the certain temperature condition in step e is 160-200 ℃.
7. The thermal transfer printing method using the shrink film as set forth in claim 1, wherein the holding time in the step e is 6 to 17 mm.
8. The thermal transfer printing method using shrink film as claimed in claim 1, wherein the certain temperature in step f is 30 ℃ to 50 ℃.
9. The thermal transfer printing method using shrink film according to claim 1, wherein the transfer printing device in step f is one of a heating box or a tunnel oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024246.4A CN112109465A (en) | 2020-09-25 | 2020-09-25 | Thermal transfer printing method applying shrink film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024246.4A CN112109465A (en) | 2020-09-25 | 2020-09-25 | Thermal transfer printing method applying shrink film |
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| Publication Number | Publication Date |
|---|---|
| CN112109465A true CN112109465A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011024246.4A Pending CN112109465A (en) | 2020-09-25 | 2020-09-25 | Thermal transfer printing method applying shrink film |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666929A (en) * | 2004-03-08 | 2005-09-14 | 上海化工研究院 | Method for ringing thermal contraction film label on cone cup |
| TW200916329A (en) * | 2007-10-04 | 2009-04-16 | Maw Cheng Entpr Co Ltd | Surface processing method for metal articles |
| CN201388876Y (en) * | 2009-04-15 | 2010-01-27 | 冯志刚 | Thermal contraction film colorful curtain bead |
| US20100112263A1 (en) * | 2007-04-05 | 2010-05-06 | Avery Dennison Corporation | Pressure sensitive shrink label |
| CN102423975A (en) * | 2011-09-13 | 2012-04-25 | 夏亚翔 | Shrink film thermal transfer method |
| CN107009606A (en) * | 2016-01-28 | 2017-08-04 | 扬州泛亚薄膜材料有限公司 | One kind metallization heat shrink films blow molding preparation method |
| CN210047851U (en) * | 2019-02-21 | 2020-02-11 | 严可新 | Take full width of cup heat-transfer seal shrink film of handle |
| CN110816101A (en) * | 2019-11-29 | 2020-02-21 | 郭成成 | Thermal transfer printing method for digital printing |
| CN210190840U (en) * | 2019-04-03 | 2020-03-27 | 温秋香 | Anchor clamps frame for heat-transfer seal |
-
2020
- 2020-09-25 CN CN202011024246.4A patent/CN112109465A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666929A (en) * | 2004-03-08 | 2005-09-14 | 上海化工研究院 | Method for ringing thermal contraction film label on cone cup |
| US20100112263A1 (en) * | 2007-04-05 | 2010-05-06 | Avery Dennison Corporation | Pressure sensitive shrink label |
| TW200916329A (en) * | 2007-10-04 | 2009-04-16 | Maw Cheng Entpr Co Ltd | Surface processing method for metal articles |
| CN201388876Y (en) * | 2009-04-15 | 2010-01-27 | 冯志刚 | Thermal contraction film colorful curtain bead |
| CN102423975A (en) * | 2011-09-13 | 2012-04-25 | 夏亚翔 | Shrink film thermal transfer method |
| CN107009606A (en) * | 2016-01-28 | 2017-08-04 | 扬州泛亚薄膜材料有限公司 | One kind metallization heat shrink films blow molding preparation method |
| CN210047851U (en) * | 2019-02-21 | 2020-02-11 | 严可新 | Take full width of cup heat-transfer seal shrink film of handle |
| CN210190840U (en) * | 2019-04-03 | 2020-03-27 | 温秋香 | Anchor clamps frame for heat-transfer seal |
| CN110816101A (en) * | 2019-11-29 | 2020-02-21 | 郭成成 | Thermal transfer printing method for digital printing |
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Application publication date: 20201222 |
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