CN216708706U - Novel thermal imaging printing roller - Google Patents
Novel thermal imaging printing roller Download PDFInfo
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- CN216708706U CN216708706U CN202122587222.6U CN202122587222U CN216708706U CN 216708706 U CN216708706 U CN 216708706U CN 202122587222 U CN202122587222 U CN 202122587222U CN 216708706 U CN216708706 U CN 216708706U
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Abstract
The utility model discloses a novel thermal imaging plate roller, which comprises a plate roller body, wherein the plate roller body is respectively and symmetrically provided with a pair of heating areas and a pair of cooling areas, the surface of the plate roller body is respectively provided with a plurality of heating channels along the circumferential direction on the heating areas, so that a heating medium enters the heating channels to heat the heating areas on the plate roller body, the surface of the plate roller body is respectively provided with a cooling channel on the cooling areas, so that the cooling medium enters the cooling channels to cool the cooling areas on the plate roller body, and the distance between the hole centers of the plurality of heating channels and the axis of the plate roller body is gradually reduced from the center of the heating areas to the direction of the cooling areas. The utility model has simple structure, high stability and long service life, and can effectively avoid the bending deformation of the printing roller.
Description
Technical Field
The utility model relates to the technical field of printing rollers, in particular to a novel thermal imaging printing roller.
Background
When the vacuum aluminized paper with the laser effect is produced, mould pressing is an important process. The die pressing is to coat the nickel plate with holographic pattern formed by electroforming on a plate roller, then heat the plate roller, pass the plastic film coated with the information layer between the plate roller and a compression roller of the die press through high temperature, and stamp the anchoring pattern on the nickel plate on the film by a pressing device and a transmission device of the die press to form a coating film.
A hot area and a cold area are usually arranged on a plate roller of the existing mould pressing machine, due to expansion caused by heat and contraction caused by cold, the hot area of the plate roller expands, and the cold area contracts, so that the plate roller bends to cause uneven smearing of a film surface pattern, the product quality is influenced, and the service life of the plate roller is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is to provide a novel thermal imaging plate roller which is simple in structure, high in stability and long in service life, and can effectively avoid bending deformation of the plate roller.
In order to achieve the purpose, the utility model discloses a novel thermal imaging plate roller which comprises a plate roller body, wherein the plate roller body is respectively and symmetrically provided with a pair of heating areas and a pair of cooling areas, the surface of the plate roller body is respectively provided with a plurality of heating channels along the circumferential direction on the heating areas, so that a heating medium enters the heating channels to heat the heating areas on the plate roller body, the surface of the plate roller body is respectively provided with a cooling channel on the cooling areas, so that a cooling medium enters the cooling channels to cool the cooling areas on the plate roller body, and the distances between the hole centers of the plurality of heating channels and the axis of the plate roller body gradually decrease from the center of the heating areas to the direction of the cooling areas.
Preferably, the circumference of the plate roller body is 800 mm-1100 mm, and the width of the plate roller body is 800-.
Preferably, the cooling zone has a cooling range of 60 ° to 90 °.
Preferably, the distance between the hole center of the cooling channel and the surface of the cooling zone is 8mm to 15mm, respectively.
Preferably, two ends of the heating channel are communicated with two end faces of the plate roller body, and two ends of the cooling channel are communicated with two end faces of the plate roller body.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the distance between the center of the hole of the heating channel of the heating area and the axis of the plate roller body is gradually increased from outside to inside along the circumferential direction, so that the temperature of the surface of the heating area is gradually increased to gradually decreased, thus the temperature difference change between the adjacent surfaces of the heating area and the cooling area is smaller, the holographic pattern which is printed on the surface of the film by the plate roller is clearer, the pattern printing effect is more stable, meanwhile, the bending of the plate roller caused by thermal expansion and cold contraction of the plate roller is avoided, the service life of the plate roller is prolonged, and the quality of the product is effectively provided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the overall structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a novel thermal imaging plate roller comprises a plate roller body 1, wherein the circumference of the plate roller body 1 is 800 mm-1100 mm, the plate roller body 1 is respectively and symmetrically provided with a pair of heating areas 2 and 3 and a pair of cooling areas 4 and 5, the cooling range of the cooling areas is 60 degrees-90 degrees, and the cooling range of 70 degrees is preferably adopted in the embodiment.
The surface of the plate roller body 1 is provided with a plurality of heating channels 21 and 31 in the heating areas 2 and 3 along the circumferential direction, preferably, six heating channels 21 and 31 are adopted in the embodiment, two ends of the heating channels 21 and 31 are communicated with two end surfaces of the plate roller body 1, the heating channels 21 and 31 are connected with heating media, preferably, hot oil is adopted in the embodiment, and the hot oil enters the heating channels 21 and 31 respectively to heat the surfaces of the heating areas 2 and 3, so that the plate roller body 1 can conveniently imprint a holographic pattern on the surface of a film coated with an information layer.
The surface of the plate roller body 1 is respectively provided with cooling channels 41 and 51 in the cooling areas 4 and 5, two ends of the cooling channels 41 and 51 are communicated with two end surfaces of the plate roller body 1, the distances between the cooling channels 41 and 51 and the surfaces of the cooling areas 4 and 5 are respectively 8 mm-15 mm, in the embodiment, 10mm is preferably adopted, the cooling channels 41 and 51 are closer to the surfaces of the cooling areas 4 and 5, the cooling effect of the surfaces of the cooling areas is effectively improved, the cooling channels 41 and 51 are connected with cooling media, in the embodiment, cold oil is preferably adopted, the cold oil respectively enters the cooling channels 41 and 51 to cool the surfaces of the cooling areas 4 and 5, so that the surfaces of the cooling areas 4 and 5 cool the holographic pictures and texts on the surface of the film, the surface temperature of the cooling areas 4 and 5 is lower than the molding temperature of the film material, so that the holographic pictures and texts of the cooling areas 4 and 5 on the plate roller body 1 cannot be printed on the surface of the film.
Referring to fig. 2, it is more preferable that distances between the centers of the holes of the six heating channels 21 and 31 and the axis of the plate roller body 1 gradually decrease from the centers of the heating areas 2 and 3 to the directions of the cooling areas 4 and 5, so that the temperatures of the surfaces of the heating areas 2 and 3 gradually increase to gradually decrease, so that the temperature change between the surfaces of the plate roller body 1 is more balanced, and the phenomenon that the plate roller body 1 is bent and deformed due to thermal expansion and cold contraction due to too large temperature change between the adjacent surfaces of the heating areas 2 and 3 and the cooling areas 4 and 5 is avoided, and the influence on the quality of a product due to too large temperature change on the surface of a film is also avoided, thereby ensuring that the surface of the film is more uniform and stable in the imprinting process.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and are not intended to limit the scope of the present invention, which is defined by the following claims.
Claims (5)
1. The utility model provides a novel thermal imaging version roller, a serial communication port, including version roller body, version roller body symmetry respectively is provided with a pair of zone of heating, a pair of cooling space, the surface of version roller body in the zone of heating is provided with a plurality of heating channel along circumference respectively, makes heating medium get into in the heating channel right the zone of heating on the version roller body heats, the surface of version roller body in the cooling space is provided with cooling channel respectively, makes cooling medium get into in the cooling channel right the cooling space on the version roller body cools down, a plurality of heating channel's hole center with distance between the axis of version roller body by the center of the zone of heating to the direction of cooling space is degressive respectively gradually.
2. The novel thermal imaging plate roll according to claim 1, characterized in that the circumference of the plate roll body is 800 mm-1100 mm and the width of the plate roll body is 800-.
3. The novel thermal imaging plate roll according to claim 1, characterized in that the cooling zone has a cooling range of 60 ° to 90 °.
4. The novel thermal imaging plate roll according to claim 1, characterized in that the distance between the hole centers of the cooling channels and the surface of the cooling zone is 8mm to 15mm, respectively.
5. The new thermal imaging plate roller according to claim 1, characterized in that said heating tunnel has two ends in communication with said two end surfaces of said plate roller body, and said cooling tunnel has two ends in communication with said two end surfaces of said plate roller body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587222.6U CN216708706U (en) | 2021-10-26 | 2021-10-26 | Novel thermal imaging printing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587222.6U CN216708706U (en) | 2021-10-26 | 2021-10-26 | Novel thermal imaging printing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216708706U true CN216708706U (en) | 2022-06-10 |
Family
ID=81877162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122587222.6U Active CN216708706U (en) | 2021-10-26 | 2021-10-26 | Novel thermal imaging printing roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216708706U (en) |
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2021
- 2021-10-26 CN CN202122587222.6U patent/CN216708706U/en active Active
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