CN212463538U - Transfer printing heating cylinder - Google Patents
Transfer printing heating cylinder Download PDFInfo
- Publication number
- CN212463538U CN212463538U CN202021342735.XU CN202021342735U CN212463538U CN 212463538 U CN212463538 U CN 212463538U CN 202021342735 U CN202021342735 U CN 202021342735U CN 212463538 U CN212463538 U CN 212463538U
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- heating
- heat conduction
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Abstract
The utility model relates to a transfer printing heating cylinder, which comprises a heating roller and a bearing through hole arranged at the center of the heating roller, wherein the heating roller is sequentially provided with an inner shell, a first shell and an outer shell from inside to outside, a heat insulation layer is formed between the inner shell and the first shell, a heating device is embedded in the first shell, and a heat conduction layer is formed between the first shell and the outer shell; the heating layer is internally provided with a heating device, the heat conduction layer is internally provided with a tin melting layer and a heat conduction oil layer, the tin melting layer is close to the first shell, and the heat conduction oil layer is close to the outer shell. Utilize the electricity to generate heat, heating device is for inlaying the metal heating net of establishing in first casing to extend to melting in the tin layer and be provided with the electrically conductive resistance wire, at the conductive heating in-process, melt the tin layer and take place to melt, the heat transfer of production is to the heat conduction oil reservoir, and makes heat evenly distributed at this one deck, thereby guarantees that the heat is even at the surface energy of the roller that generates heat.
Description
Technical Field
The utility model relates to a rendition machine accessory, in particular to rendition heating cylinder.
Background
The thermal transfer printing is a new printing process in recent years, the printing mode of the process is divided into two parts of transfer printing film printing and transfer printing processing, patterns are printed on the surface of a film in advance, the exquisite patterns on the transfer printing film are transferred on the surface of a product through one-time processing (heating and pressurizing) of a thermal transfer printing machine, 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.
When the transfer machine works, the heating body heats the transfer machine, heat is transferred to the surface of the cylinder body outside the heating body, and the color of the transfer paper can be transferred to a printing object through the rotation of the cylinder body, so that the performance of the heating cylinder has important influence on the transfer effect for the transfer machine. A common heating tube of a transfer machine in the market is a closed tube body, two end covers of the heating tube are in electric welding connection with a tube body, a bearing hole is formed in the center of each end cover, a straight strip-shaped heating tube is erected in the middle of the tube body through the bearing hole, and the heating tube of the transfer machine has many defects in actual use, for example, the straight strip-shaped heating tube erected in the middle of the tube body is far away from the surface of the tube body, and the air heat transfer speed is slow, so that the heating tube with a large volume is long in heating time, about one hour is needed, when the surface of the heating tube reaches the required temperature, the heating tube with slow temperature rise and slow temperature fall due to the long heat source distance, the heating tube with slow temperature rise and slow temperature fall is not; 2) the two end covers of the cylinder body with a certain thickness consume more heat energy in the heating process, the two ends and the middle of the heating cylinder have larger temperature difference, the heating is uneven, and the transfer printing product has serious color difference due to different surface temperatures of the cylinder body; meanwhile, when the surface temperature of the cylinder body does not cause hot tearing or cold tearing treatment, the surface of the pattern layer is easy to tear and damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rendition heating cylinder.
The above technical purpose of the present invention can be achieved by the following technical solutions: a transfer printing heating cylinder comprises a heating roller and a bearing through hole arranged in the center of the heating roller, wherein the heating roller is sequentially provided with an inner shell, a first shell and an outer shell from inside to outside, a heat insulation layer is formed between the inner shell and the first shell, a heating device is embedded in the first shell, and a heat conduction layer is formed between the first shell and the outer shell; the heat conduction layer is provided with a tin melting layer and a heat conduction oil layer, the tin melting layer is close to the first shell, and the heat conduction oil layer is close to the outer shell.
Preferably, the heating device comprises a metal heating net embedded in the first shell and a sealing cover arranged at the end part of the heating roller, a conductive wire is arranged at the position of the sealing cover corresponding to the first shell, and the conductive wire and the sealing cover are detachably arranged.
Preferably, a heat reflecting heat insulation material layer is arranged in the heat insulation layer.
Preferably, a plurality of heating saw teeth are arranged on the first shell in an array mode.
Preferably, the heat reflection and insulation material layer is made of a polyimide film, the heat reflection and insulation material layer is arranged on one side, close to the first shell, of the heat insulation layer, and an asbestos heat insulation layer is further arranged in the heat insulation layer.
Preferably, a conductive resistance wire connected with the metal heating net is arranged in the molten tin layer.
Preferably, a plurality of vacuum heat insulation cavities are arranged in the inner shell in an array mode.
To sum up, the utility model discloses following beneficial effect has:
1. utilize the electricity to generate heat, heating device is for inlaying the metal heating net of establishing in first casing to extend to melting in the tin layer and be provided with the electrically conductive resistance wire, at the conductive heating in-process, melt the tin layer and take place to melt, the heat transfer of production is to the heat conduction oil reservoir, and makes heat evenly distributed at this one deck, thereby guarantees that the heat is even at the surface energy of the roller that generates heat.
Drawings
FIG. 1 is a sectional view of the entire structure in the embodiment;
FIG. 2 is a sectional view showing the structure of an integral part in the embodiment;
FIG. 3 is a schematic diagram of a part of the structure in the example.
In the figure, 1, a heat generating roller; 2. a bearing through hole; 11. an inner housing; 111. a layer of heat reflective insulating material; 112. a vacuum insulation chamber; 113. an asbestos insulation layer; 12. a first housing; 121. heating the saw teeth; 122. a metal heating net; 123. a conductive resistance wire; 13. sealing the cover; 131. a conductive wire; 14. an outer housing; 201. melting the tin layer; 202. a heat conducting oil layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a transfer printing heating cylinder comprises a heating roller 1 and a bearing through hole 2 arranged in the center of the heating roller 1, wherein the heating roller 1 is sequentially provided with an inner shell 11, a first shell 12 and an outer shell 14 from inside to outside, a heat insulation layer is formed between the inner shell 11 and the first shell 12, a heating device is embedded in the first shell 12, and a heat conduction layer is formed between the first shell 12 and the outer shell 14; the heat conduction layer comprises a tin melting layer 201 and a heat conduction oil layer 202, wherein the tin melting layer 201 is arranged close to the first shell 12, and the heat conduction oil layer 202 is arranged close to the outer shell 14; utilize the electricity to generate heat, heating device is for inlaying the metal heating net 122 of establishing in first casing 12 to extend to being provided with electric resistance wire 123 in melting tin layer 201, in the conductive heating in-process, melting tin layer 201 takes place to melt, and the heat transfer of production is to heat conduction oil layer 202, and makes heat evenly distributed at this one deck, thereby guarantees that the heat is even at the surface energy of roller 1 that generates heat.
As shown in fig. 1 and 2, the heating device includes a metal heating net 122 embedded in the first casing 12, and further includes a cover 13 disposed at an end of the heating roller 1, a conductive wire 131 is disposed at a position of the cover 13 corresponding to the first casing 12, and the conductive wire 131 is detached from the cover 13.
As shown in fig. 1, a layer 111 of heat reflective insulating material is provided in the insulating layer.
As shown in fig. 1 and 3, a plurality of heating saw teeth 121 are arranged on the first shell 12 in an array.
As shown in fig. 1, the heat reflective insulation material layer 111 is made of a polyimide film, the heat reflective insulation material layer 111 is disposed on one side of the heat insulation layer close to the first casing 12, and the heat insulation layer 113 is further disposed therein.
As shown in fig. 1, a conductive resistance wire 123 connected to the metal heating mesh 122 is disposed in the tin melting layer 201.
As shown in FIG. 1, a plurality of vacuum insulation chambers 112 are arranged in an array in the inner housing 11.
The working principle is as follows:
utilize the electricity to generate heat, heating device is for inlaying the metal heating net 122 of establishing in first casing 12 to extend to being provided with electric resistance wire 123 in melting tin layer 201, in the conductive heating in-process, melting tin layer 201 takes place to melt, and the heat transfer of production is to heat conduction oil layer 202, and makes heat evenly distributed at this one deck, thereby guarantees that the heat is even at the surface energy of roller 1 that generates heat.
Claims (7)
1. The utility model provides a rendition heating cylinder, includes heating roller (1) and sets up at bearing through-hole (2) at heating roller (1) center, its characterized in that: the heating roller (1) is sequentially provided with an inner shell (11), a first shell (12) and an outer shell (14) from inside to outside, a heat insulation layer is formed between the inner shell (11) and the first shell (12), a heating device is embedded in the first shell (12), and a heat conduction layer is formed between the first shell (12) and the outer shell (14); the heat conduction layer is provided with a tin melting layer (201) and a heat conduction oil layer (202), the tin melting layer (201) is arranged close to the first shell (12), and the heat conduction oil layer (202) is arranged close to the outer shell (14).
2. The transfer heat-generating cartridge according to claim 1, characterized in that: the heating device comprises a metal heating net (122) embedded in a first shell (12) and a sealing cover (13) arranged at the end of the heating roller (1), wherein a conductive wire (131) is arranged at the position, corresponding to the first shell (12), of the sealing cover (13), and the conductive wire (131) and the sealing cover (13) are detached.
3. The transfer heat-generating cartridge according to claim 2, characterized in that: a heat-reflecting heat-insulating material layer (111) is arranged in the heat-insulating layer.
4. The transfer heating tube according to claim 3, wherein: a plurality of heating sawteeth (121) are arranged on the first shell (12) in an array manner.
5. The transfer heat-generating cartridge according to claim 4, wherein: the heat reflection heat insulation material layer (111) is made of a polyimide film, the heat reflection heat insulation material layer (111) is arranged on one side, close to the first shell (12), of the heat insulation layer, and an asbestos heat insulation layer (113) is further arranged in the heat insulation layer.
6. The transfer heat-generating cartridge according to claim 5, wherein: and a conductive resistance wire (123) connected with the metal heating net (122) is arranged in the tin melting layer (201).
7. The transfer heat-generating cartridge according to claim 6, characterized in that: a plurality of vacuum heat insulation cavities (112) are arranged in the inner shell (11) in an array mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021342735.XU CN212463538U (en) | 2020-07-09 | 2020-07-09 | Transfer printing heating cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021342735.XU CN212463538U (en) | 2020-07-09 | 2020-07-09 | Transfer printing heating cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212463538U true CN212463538U (en) | 2021-02-02 |
Family
ID=74490151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021342735.XU Expired - Fee Related CN212463538U (en) | 2020-07-09 | 2020-07-09 | Transfer printing heating cylinder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212463538U (en) |
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2020
- 2020-07-09 CN CN202021342735.XU patent/CN212463538U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 Termination date: 20210709 |