CN118046692A - Thermal transfer printing method and article containing thermal transfer printing image - Google Patents
Thermal transfer printing method and article containing thermal transfer printing image Download PDFInfo
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- CN118046692A CN118046692A CN202410159270.0A CN202410159270A CN118046692A CN 118046692 A CN118046692 A CN 118046692A CN 202410159270 A CN202410159270 A CN 202410159270A CN 118046692 A CN118046692 A CN 118046692A
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- carbon powder
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- thermal transfer
- transfer printing
- belt
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Links
- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000010023 transfer printing Methods 0.000 title claims abstract description 67
- 238000012546 transfer Methods 0.000 claims abstract description 128
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000000859 sublimation Methods 0.000 claims abstract description 23
- 230000008022 sublimation Effects 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims description 53
- 238000011084 recovery Methods 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 14
- 239000000049 pigment Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 239000001054 red pigment Substances 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 abstract description 9
- 238000007639 printing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000123 paper Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000004840 adhesive resin Substances 0.000 description 6
- 229920006223 adhesive resin Polymers 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 4
- 239000013077 target material Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- -1 clothes Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005092 sublimation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
The invention provides a thermal transfer method and an article containing a thermal transfer image, wherein the thermal transfer method comprises the following steps: s1: the upper computer controls the processing box to spray-print carbon powder onto the transfer printing belt according to a preset pattern to form a visible image; s2: the upper computer controls the transfer belt to move the visible image formed in the step S1 to the position above the first heating device; s3: placing a material to be transferred on a bearing component, wherein one surface of the material to be transferred, which is required to be transferred, faces a transfer belt; s4: the upper computer controls the heating part to heat, so that the thermal sublimation dye in the carbon powder is thermally sublimated, and the visible image is transferred onto the material to be transferred at one time. The carbon powder is used as a medium to realize the transfer printing process of the thermal transfer printing image, so that the time is short, the cost is low, and the transfer printing quality is improved. Meanwhile, the method can realize primary color imaging, secondary transfer after imaging, and the technical effect brought by the primary thermal transfer technology after primary multicolor imaging is better in printing effect and simpler and more convenient to operate.
Description
Technical Field
The invention relates to the field of printing transfer printing, in particular to a thermal transfer printing method and an article containing a thermal transfer printing image.
Background
The thermal transfer technology is a technology of transferring a pattern or text from a carrier to a target material, and transferring and combining pigment or ink with the material by heat and pressure to achieve a fine and durable printing effect. The most common method at present is to design and print the required pattern or text on special thermal transfer paper. The thermal transfer paper is then placed on the target material and heat and pressure are applied using a hot press or a thermal transfer machine, which typically has a heated plate, and the temperature and pressure can be controlled. During heating, the adhesive on the thermal transfer paper begins to melt and come into contact with the target material surface. The pigment or ink in the binder is released and bonds to the surface of the material. At an appropriate time and temperature, the thermal transfer paper is separated from the target material. At this point, the pattern has been transferred to the surface of the material and bonded thereto.
In the textile industry, conventional thermal transfer techniques require transfer of the media to specific thermal transfer papers by ink jet, and spraying visible images takes a significant amount of time and is costly. And the ink-jet type thermal transfer pigment or ink is generally not sufficiently bonded to the material surface, and color fading or peeling occurs during long-term use or cleaning. Meanwhile, the ink-jet type thermal transfer printing is generally suitable for smoother fabrics, cannot be suitable for coarse or high-fiber fabrics, and has high limitation. In addition, the ink-jet type thermal transfer technology has long transfer time and needs to apply a certain hot pressing pressure, and if the time control of the hot pressing pressure is improper or the transfer pattern can be damaged and burn marks can be generated on the fabric.
In the ceramic industry, the pattern on the ceramic surface is generally achieved by a manual drawing or screen printing method, however, the manual drawing is slow and inefficient and is limited by the skill of a drawing person. Although screen printing has good effect on general patterns, for portrait photos, the color of the photo cannot be truly represented in practice, and the problems such as unnatural transition of color patterns, low resolution and the like exist, so that the method is not suitable for manufacturing portrait photos. Based on this, the invention has invented a method for preparing porcelain images by using an ink-jet method, which comprises the steps of firstly separating colors of a portrait by a computer, then printing a pattern on a porcelain plate by using a glue of one color by using an ink-jet printer, then pouring a toner of the color, sweeping the pattern by using a brush, sticking the toner on the pattern, baking the pattern to 100 ℃ at a low temperature, then sequentially printing glue on cyan, yellow and magenta colors after the layer is dried, sweeping the powder, baking the powder, and finally firing the image at 800 ℃. The transfer efficiency is low and the cost is high due to the complicated and cumbersome process and the need to use imported toner.
Therefore, the invention of a thermal transfer method is urgently needed to solve the problems that the existing printing transfer method cannot be well suitable for different fields, and the method is complex in operation, low in efficiency and high in cost.
Disclosure of Invention
The first object of the present invention is to provide a thermal transfer method, which is used for solving the problems that the existing printing transfer method cannot be well adapted to different fields, and has complex operation, low efficiency and high cost.
A second object of the present invention is to provide an article comprising a thermal transfer image, the article comprising a thermal transfer image being produced by a thermal transfer method as described above.
In order to achieve the first object, the present invention provides a thermal transfer method, which is applied to a thermal transfer apparatus, wherein the thermal transfer apparatus includes an upper computer, at least two process cartridges, a transfer belt, a bearing member and a heating member, and carbon powder is disposed in each of the process cartridges; the process box is positioned above the transfer printing belt, the heating component comprises a first heating device, the first heating device is positioned below the transfer printing belt, the first heating device is positioned at the rear end of the process box, the bearing component is positioned above the transfer printing belt, the bearing component is arranged opposite to the first heating device, and the upper computer is used for controlling the process box, the transfer printing belt, the bearing component and the heating component; the thermal transfer method comprises the following steps: s1: the upper computer controls the processing box to spray-print carbon powder onto the transfer printing belt according to a preset pattern to form a visible image; s2: the upper computer controls the transfer belt to move the visible image formed in the step S1 to the position above the first heating device; s3: placing a material to be transferred on a bearing component, wherein one surface of the material to be transferred, which is required to be transferred, faces a transfer belt; s4: the upper computer controls the heating part to heat, so that the thermal sublimation dye in the carbon powder is thermally sublimated, and the visible image is transferred onto the material to be transferred at one time.
According to the scheme, the thermal transfer image is realized by adopting carbon powder as a medium, the transfer process time is short, and the cost is low. The bearing object can finish thermal transfer printing without contacting with carbon powder, so that the bearing object is prevented from being damaged to the greatest extent, and the transfer printing quality is improved. Meanwhile, the method can realize one-time color imaging and one-time transfer after imaging, the printing effect is better due to the technical effect brought by one-time thermal transfer technology after one-time multicolor imaging, the operation is simpler and more convenient, in addition, the carbon powder and the thermal sublimation dye adopted in the thermal transfer method are common materials in the market, the carbon powder is easy to obtain, the carbon powder adaptation degree is high, and the consumable cost is reduced. The heat transfer printing method is suitable for articles made of various materials such as clothes, textile fabrics, ceramics, metals, paper, high polymer materials and the like. The application field is wide.
The transfer printing device comprises a transfer printing belt, a recovery device and a recovery box, wherein the recovery device is arranged at the tail end of the transfer printing belt and comprises a scraping plate and a recovery box, the scraping plate is abutted to the tail end of the transfer printing belt, and the recovery box is positioned at the tail end of the transfer printing belt; step S5 is further included after step S4, and step S5 specifically includes: s5: the upper computer controls the heating part to stop heating, takes down the material to be transferred, the transfer belt continues to move, and the scraping plate collects residual carbon powder on the transfer belt into the recovery box.
According to the scheme, after the thermal transfer printing is finished, the recovery device is used for recovering the adhesive resin of the carbon powder residue on the surface of the transfer printing belt, the residual carbon powder particles are recovered and reused, the reutilization of the untransferred material is realized, and the production cost is saved due to the repeated use of the carbon powder.
The heating component further comprises a second heating device, the second heating device is positioned above the bearing component, the second heating device is in contact with the bearing component, and the second heating device and the bearing component can move close to or far from the transfer printing belt; step S41 is included before step S4, and step S41 specifically includes: s41: the upper computer controls the second heating device and the bearing component to move close to the transfer printing belt until the bearing component is abutted against the carbon powder.
According to the scheme, the second heating device enables the bearing component to be abutted with the carbon powder on the transfer printing belt, so that downward hot pressing pressure is applied, the pattern transfer printing definition is further improved, and the transfer printing quality of the visible pattern is promoted.
Further, step S42 is further included after step S4, where step S42 specifically includes: s42: the upper computer controls the second heating device and the bearing part to move away from the transfer belt to an initial position.
According to the scheme, the second heating device, the bearing component and the transfer printing belt are separated after the thermal sublimation process is finished, so that the transfer printing belt is convenient to move and the transfer printing material is convenient to take.
The number of the four processing boxes is four, and the carbon powder in the four processing boxes is black ceramic carbon powder, yellow ceramic carbon powder, cyan ceramic carbon powder and red ceramic carbon powder respectively.
The further proposal is that the black ceramic carbon powder, the yellow ceramic carbon powder and the cyan ceramic carbon powder all contain inorganic ceramic pigment, the inorganic ceramic pigment is thermal sublimation dye, the particle size of the inorganic ceramic pigment is less than 1 micron, and the particle sizes of the black ceramic carbon powder, the yellow ceramic carbon powder and the cyan ceramic carbon powder are 7-12 microns.
The further proposal is that the red ceramic carbon powder comprises coated red pigment powder, the coated red pigment powder is thermal sublimation dye, the particle size of the coated red pigment powder is 2-8 microns, and the particle size of the red ceramic carbon powder is 10-20 microns.
According to the scheme, the heat transfer printing method can realize transfer printing of the color patterns at one time, is convenient and quick, and has high automation degree. The limitation of the carbon powder and the thermal sublimation dye ensures that the carbon powder has good spraying performance and thermal sublimation performance, and ensures the transfer quality of the visible patterns.
In order to achieve the second object, the present invention provides an article containing a thermal transfer image, where the article containing a thermal transfer image is prepared by a thermal transfer method according to any one of the above aspects.
According to the scheme, the article containing the thermal transfer image, which is obtained by the thermal transfer method, has clear and firm pattern and low manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a thermal transfer apparatus of embodiment 1.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic structural view of a thermal transfer apparatus of embodiment 2.
Fig. 4 is an enlarged view at B in fig. 3.
The invention is further described below with reference to the drawings and examples.
Detailed Description
Example 1
The thermal transfer method of the present embodiment is applied to a thermal transfer apparatus as shown in fig. 1 and 2.
Referring to fig. 1 and 2, the thermal transfer apparatus of the present embodiment includes an upper computer (not shown), a process cartridge, a transfer belt 13, a carrying member 14, a heating member, and a recovery device. The number of the processing boxes is at least two, carbon powder 12 is arranged in each processing box, and the carbon powder 12 contains thermal sublimation dye. The processing box is located the top of transfer printing area 13, and heating element includes first heating device 151, and first heating device 151 is located transfer printing area 13 below, and first heating device 151 is located the processing box rear end, and bearing member 14 is located transfer printing area 13 top, and bearing member 14 and the relative setting of first heating device 151, and recovery unit sets up in the end of transfer printing area 13, and recovery unit includes scraper 161 and recovery box 162, and scraper 161 butt is in the end of transfer printing area 13, and recovery box 162 is located the transfer printing area 13 end. The host computer is used to control the process cartridge, the transfer belt 13, the carrying member 14, and the heating member.
In the present embodiment, the number of process cartridges is four, which are respectively a red toner process cartridge 111, a cyan toner process cartridge 112, a yellow toner process cartridge 113, and a black toner process cartridge 114. The four process cartridges are arranged in order along the length direction of the transfer belt 13, wherein the black toner process cartridge 114 is near the end of the transfer belt 13, and the red toner process cartridge 111 is near the front end of the transfer belt 13. The red toner cartridge 111 contains red ceramic toner 121, the cyan toner cartridge 112 contains cyan ceramic toner 122, the yellow toner cartridge 113 contains yellow ceramic toner 123, and the black toner cartridge 114 contains black ceramic toner 124. The four carbon powders 12 comprise 30-60% of thermal sublimation dye, 35-65% of adhesive resin, 0-10% of wax, 1-2% of charge control agent and 0-2% of hydrophobic silicon dioxide. Wherein, the sublimation dye in the black ceramic carbon powder 124, the yellow ceramic carbon powder 123 and the cyan ceramic carbon powder 122 is inorganic ceramic pigment, the particle size of the inorganic ceramic pigment is less than 1 micron, and the particle sizes of the black ceramic carbon powder 124, the yellow ceramic carbon powder 123 and the cyan ceramic carbon powder 122 are 7-12 microns. The sublimation dye in the red ceramic carbon powder 121 is encapsulated red pigment powder, the particle size of the encapsulated red pigment powder is 2-8 microns, and the particle size of the red ceramic carbon powder 121 is 10-20 microns.
The thermal transfer printing method of the embodiment specifically comprises the following steps:
s1: the upper computer controls the processing box to spray-print carbon powder 12 onto the transfer printing belt 13 according to a preset pattern to form a visible image;
S2: the upper computer controls the transfer belt 13 to move the visible image formed in step S1 above the first heating device 151;
s3: placing a transfer material on the carrier member 14, the transfer material having a transfer pattern-requiring side facing the transfer belt 13;
S4: the upper computer controls the heating part to heat, so that the thermal sublimation dye in the carbon powder 12 is thermally sublimated, and the visible image is transferred onto the material to be transferred at one time;
S5: the upper computer controls the heating part to stop heating, removes the transfer material to be transferred, and the transfer belt 13 continues to move, and the scraper 161 collects the residual toner 12 on the transfer belt 13 into the recovery box 162.
The process cartridge transfers four sets of different color toner to the transfer belt 13 at predetermined positions in a conventional developing manner to form a color or black visible image, and the transfer belt 13 carries the visible image transferred by the photosensitive drum and transfers it to above the first heating device 151. Visibility when the transfer belt 13 transfers a visible image over the first heating device 151, the image is located intermediate the first heating device 151 and the carrier member 14, and the carrier member 14 is closer to the transfer belt. The transfer material such as clothes, ceramics and the like is arranged on the bearing part 14 above the first heating device 151, the carbon powder 12 above the transfer belt 13 is heated, 30% -60% of thermal sublimation dye in the carbon powder 12 is heated and sublimated into gas, and sublimated to the upper side of the transfer belt 13, and the transfer material placed on the transfer material is used for displaying images. After the carbon powder 12 is heated to cause the sublimation of the sublimation pigment in the carbon powder 12, 35% -65% of the adhesive resin is remained in the carbon powder 12, and 0% -10% of the wax, 1% -2% of the charge control agent and 0% -2% of the hydrophobic silica in the carbon powder 12 may be sublimated due to the heat of Wen Yitong. The heating means will not continue to heat the toner 12 any more and the transfer belt 13 will continue to transfer the adhesive resin remaining on the surface. The transfer belt 13 has a recovery device at its end, and the recovery device upper blade 161 abuts against the transfer belt 13 at its end. The scraper 161 collects the remaining adhesive resin into the recovery box 162, and after concentrated recovery, adds materials such as thermal sublimation dye, wax, charge control agent, hydrophobic silica and the like in a proper proportion to restore the transfer function, and adds the regenerated carbon powder into the processing box again to continuously complete the thermal transfer image work.
The thermal transfer method of the embodiment adopts carbon powder as a medium to realize thermal transfer of the image, and has short transfer process time and lower cost. The bearing object can finish thermal transfer printing without contacting with carbon powder, so that the bearing object is prevented from being damaged to the greatest extent, and the transfer printing quality is improved. Meanwhile, one-time color imaging can be realized, the transfer printing is performed again after the imaging, the printing effect is better due to the technical effect brought by the one-time thermal transfer printing technology after one-time multicolor imaging, the operation is simpler and more convenient, in addition, carbon powder and thermal sublimation dye adopted in the thermal transfer printing method are common materials in the market, the carbon powder is easy to obtain, the carbon powder adaptation degree is high, and the consumable cost is reduced. The thermal transfer printing method is suitable for articles made of various materials such as clothes, textile fabrics, ceramics, metals, paper, high polymer materials and the like. The application field is wide.
After the thermal transfer printing is finished, a recovery device is used for recovering the adhesive resin remained on the surface of the transfer printing belt 13 of the carbon powder 12, the residual carbon powder 12 particles are recovered and reused, the reutilization of the untransferred material is realized, and the production cost is saved due to the repeated use of the carbon powder 12.
The article containing the thermal transfer pattern, which is prepared by the thermal transfer method of the embodiment, has clear and firm pattern and low manufacturing cost.
Example 2
Referring to fig. 3 and 4, the thermal transfer apparatus of the present embodiment is different from the thermal transfer apparatus of embodiment 1 in that the heating member of the thermal transfer apparatus of the present embodiment further includes a second heating device 252, the second heating device 252 is located above the bearing member 24, and the second heating device 252 is in contact with the bearing member 24, and the second heating device 252 and the bearing member 24 are movable toward and away from the transfer belt 23.
The number of process cartridges of this embodiment is four, and as in embodiment 1, the process cartridges are a red toner process cartridge 211, a cyan toner process cartridge 212, a yellow toner process cartridge 213, and a black toner process cartridge 214, respectively. The four process cartridges are arranged in order along the length direction of the transfer belt 23, wherein the black toner process cartridge 214 is near the end of the transfer belt 23, and the red toner process cartridge 211 is near the front end of the transfer belt 23. The red toner cartridge 211 is filled with red ceramic toner 221, the cyan toner cartridge 212 is filled with cyan ceramic toner 222, the yellow toner cartridge 213 is filled with yellow ceramic toner 223, and the black toner cartridge 214 is filled with black ceramic toner 224. The composition of each carbon powder 22 was the same as in example 1.
The thermal transfer printing method of the embodiment specifically comprises the following steps:
s1: the upper computer controls the processing box to spray-print carbon powder 22 onto a transfer printing belt 23 according to a preset pattern to form a visible image;
S2: the upper computer controls the transfer belt 23 to move the visible image formed in step S1 above the first heating device 251;
s3: placing a transfer material on the carrying member 24, the side of the transfer material to be transferred facing the transfer belt 23;
s41: the upper computer controls the second heating device 252 and the bearing part 24 to move close to the transfer belt 23 until the bearing part 24 is abutted against the carbon powder 22;
S4: the upper computer controls the heating part to heat, so that the thermal sublimation dye in the carbon powder 22 is thermally sublimated, and the visible image is transferred onto the material to be transferred at one time;
S42: the upper computer controls the second heating device 252 and the bearing part 24 to move away from the transfer belt 23 to an initial position;
S5: the upper computer controls the heating part to stop heating, removes the material to be transferred, the transfer belt 23 continues to move, and the scraping plate 261 collects the residual carbon powder 22 on the transfer belt 23 into the recovery box 262.
The second heating device 252 makes the bearing member 24 contact with the carbon powder 22 on the transfer belt 23, so that downward hot pressing pressure is applied, the definition of pattern transfer is further improved, and the transfer quality of the visible pattern is promoted.
The above embodiments are merely preferred examples of the present invention and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made according to the structure, characteristics and principles of the present invention shall be included in the scope of the present invention.
Claims (8)
1. A thermal transfer method applied to a thermal transfer apparatus including an upper computer, a transfer belt, a bearing member, and a heating member;
The method is characterized in that:
The heat transfer printing equipment further comprises at least two processing boxes, wherein carbon powder is arranged in each processing box, and the carbon powder contains heat sublimation dye;
The process cartridge is located above the transfer belt, the heating component comprises a first heating device, the first heating device is located below the transfer belt, the first heating device is located at the rear end of the process cartridge, the bearing component is located above the transfer belt, the bearing component is arranged opposite to the first heating device, and the upper computer is used for controlling the process cartridge, the transfer belt, the bearing component and the heating component;
the thermal transfer method comprises the following steps:
S1: the upper computer controls the processing box to spray-print the carbon powder onto the transfer printing belt according to a preset pattern to form a visible image;
s2: the upper computer controls the transfer belt to move the visible image formed in the step S1 to above the first heating device;
S3: placing a material to be transferred on the bearing component, wherein one surface of the material to be transferred, which is required to be transferred, faces the transfer belt;
S4: the upper computer controls the heating part to heat, so that the thermal sublimation dye in the carbon powder is subjected to thermal sublimation, and the visible image is transferred onto the material to be transferred at one time.
2. A thermal transfer method as defined in claim 1, wherein:
The transfer printing device comprises a transfer printing belt, a recovery device and a recovery box, wherein the recovery device is arranged at the tail end of the transfer printing belt and comprises a scraping plate and a recovery box, the scraping plate is abutted to the tail end of the transfer printing belt, and the recovery box is positioned at the tail end of the transfer printing belt;
step S5 is further included after step S4, where step S5 specifically includes:
S5: the upper computer controls the heating part to stop heating, the transfer printing material to be removed, the transfer printing belt continues to move, and the scraping plate collects the residual carbon powder on the transfer printing belt into the recovery box.
3. A thermal transfer method as defined in claim 1, wherein:
The heating component further comprises a second heating device, the second heating device is positioned above the bearing component and is in contact with the bearing component, and the second heating device and the bearing component can move close to or far from the transfer printing belt;
The step S4 is preceded by a step S41, and the step S41 specifically includes:
s41: the upper computer controls the second heating device and the bearing component to move close to the transfer printing belt until the bearing component is abutted against the carbon powder.
4. A thermal transfer method as defined in claim 3, wherein:
Step S42 is further included after step S4, where step S42 specifically includes:
s42: the upper computer controls the second heating device and the bearing part to move away from the transfer belt to an initial position.
5. A thermal transfer method as defined in claim 1, wherein:
The number of the processing boxes is four, and the carbon powder in the four processing boxes is black ceramic carbon powder, yellow ceramic carbon powder, cyan ceramic carbon powder and red ceramic carbon powder respectively.
6. A thermal transfer method as defined in claim 5, wherein:
The black ceramic carbon powder, the yellow ceramic carbon powder and the cyan ceramic carbon powder all contain inorganic ceramic pigment, the inorganic ceramic pigment is the sublimation dye, the particle size of the inorganic ceramic pigment is smaller than 1 micron, and the particle sizes of the black ceramic carbon powder, the yellow ceramic carbon powder and the cyan ceramic carbon powder are 7-12 microns.
7. A thermal transfer method as defined in claim 5, wherein:
The red ceramic carbon powder comprises coated red pigment powder, wherein the coated red pigment powder is the thermal sublimation dye, the particle size of the coated red pigment powder is 2-8 microns, and the particle size of the red ceramic carbon powder is 10-20 microns.
8. An article comprising a thermal transfer image, characterized by:
the article comprising a thermal transfer image is produced by a thermal transfer process according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410159270.0A CN118046692A (en) | 2024-02-04 | 2024-02-04 | Thermal transfer printing method and article containing thermal transfer printing image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410159270.0A CN118046692A (en) | 2024-02-04 | 2024-02-04 | Thermal transfer printing method and article containing thermal transfer printing image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118046692A true CN118046692A (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410159270.0A Pending CN118046692A (en) | 2024-02-04 | 2024-02-04 | Thermal transfer printing method and article containing thermal transfer printing image |
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| Country | Link |
|---|---|
| CN (1) | CN118046692A (en) |
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2024
- 2024-02-04 CN CN202410159270.0A patent/CN118046692A/en active Pending
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