CN212920764U - Cold and hot mould pressing version roller - Google Patents
Cold and hot mould pressing version roller Download PDFInfo
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- CN212920764U CN212920764U CN201922501040.5U CN201922501040U CN212920764U CN 212920764 U CN212920764 U CN 212920764U CN 201922501040 U CN201922501040 U CN 201922501040U CN 212920764 U CN212920764 U CN 212920764U
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Abstract
The utility model provides a cold and hot mould pressing printing roller, which comprises a printing roller pipe wall; a plurality of longitudinal oil ducts for oil circulation and a plurality of heat insulation passages for isolating heat transfer are axially arranged in the pipe wall of the printing roller in a penetrating manner, wherein each longitudinal oil duct comprises a cold inlet oil duct for cold oil introduction, a cold return oil duct for cold oil return, a hot inlet oil duct for hot oil introduction, a hot oil duct for hot oil circulation and a hot return oil duct for hot oil return; the temperature difference between the left, the middle and the right of a roller surface hot area on the pipe wall of the printing roller is small by arranging the cold and hot mould pressing printing roller; because each first longitudinal oil duct is arranged close to the outer wall of the pipe wall of the plate roller, the pipe wall of the plate roller has the advantage of fast heat transfer to the outside, and a product prepared by die pressing has the beneficial effect of uniform brightness of a die pressing position.
Description
Technical Field
The utility model belongs to the technical field of holographic mould pressing version roller for the mould pressing machine and specifically relates to a cold and hot mould pressing version roller is related to.
Background
The holographic molding press is a machine for processing a film material to have a holographic visual effect. Holographic molding presses with dual molding stations have been developed, on which two printing rollers are provided for the first and second molding in sequence. The working principle is as follows: the first plate roller can generate discontinuous holographic patterns on the film material; the second plate roller can also generate discontinuous holographic patterns on the film material, and the holographic molding press with the double molding stations can mold the holographic patterns generated by the second molding at the blank of the holographic patterns generated by the first molding, so that the film material after the two times of molding presents continuous holographic patterns without plate seam marks.
The plate roller for the holographic molding press in the prior art has the condition of uneven quality of the patterns of the extruded products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cold and hot mould pressing version roller for overcoming the not enough of prior art.
The cold and hot mould pressing printing roller comprises a printing roller pipe wall; a plurality of heat insulation channels used for isolating heat transfer are axially arranged in the wall of the printing roller in a penetrating mode, wherein the longitudinal oil channels are used for oil circulation, and each longitudinal oil channel comprises a cold inlet oil channel used for cold oil introduction, a cold return oil channel used for cold oil return, a hot inlet oil channel used for hot oil introduction, a hot oil channel used for hot oil circulation and a hot return oil channel used for hot oil return.
Further, each longitudinal oil passage is circumferentially arranged around the central shaft of the tube wall of the plate roller.
Further, the longitudinal oil passage comprises a first longitudinal oil passage and a second longitudinal oil passage, and the diameter of the first longitudinal oil passage is larger than that of the second longitudinal oil passage. The heat inlet oil duct, the overheating oil duct and the heat return oil duct are arranged on the basis of the first longitudinal oil duct to form corresponding roll surface hot areas. And the cold inlet oil duct and the cold return oil duct are arranged based on the second longitudinal oil duct, and corresponding cold areas on the roll surface are formed thermally.
Furthermore, each second longitudinal oil passage is arranged at the upper side of the pipe wall of the printing roller, each first longitudinal oil passage is arranged around the left side, the lower side and the right side of the pipe wall of the printing roller, and the distances from each first longitudinal oil passage to the central axis of the pipe wall of the printing roller are equal; the distance from each first longitudinal oil duct to the outer wall of the plate roller pipe wall is smaller than the distance from each first longitudinal oil duct to the central axis of the plate roller pipe wall.
Furthermore, the heat insulation channel is arranged at the upper side of the pipe wall of the printing roller and is positioned beside each second longitudinal oil channel, and the distance from each second longitudinal oil channel to the central axis of the pipe wall of the printing roller is greater than the distance from each first longitudinal oil channel to the central axis of the pipe wall of the printing roller; and the distance from each heat insulation channel to the central axis of the plate roller pipe wall is smaller than the distance from each first longitudinal oil duct to the central axis of the plate roller pipe wall.
The diameter of the heat insulation channel is larger than the diameter of the second longitudinal oil channel.
Furthermore, twelve first longitudinal oil ducts are arranged to correspond to three heat inlet oil ducts, six superheat oil ducts and three heat return oil ducts respectively; the arrangement intervals between two adjacent first longitudinal oil passages are equal.
Furthermore, one heat inlet oil duct, two superheat oil ducts and one heat return oil duct are taken as a group of heat conduction oil duct groups, and the three groups of heat conduction oil duct groups are correspondingly arranged at the left side, the lower side and the right side of the tube wall of the printing roller.
Furthermore, the number of the second longitudinal oil passages is two, and the two second longitudinal oil passages are respectively arranged corresponding to one cold inlet oil passage and one cold return oil passage; the two second longitudinal oil ducts are symmetrically arranged relative to the diameter of the tube wall of the printing roller and have equal distance to the central axis of the tube wall of the printing roller.
The beneficial effects of the utility model reside in that:
the temperature difference between the left, the middle and the right of a roller surface hot area on the pipe wall of the printing roller is small by arranging the cold and hot mould pressing printing roller; because each first longitudinal oil duct is arranged close to the outer wall of the pipe wall of the plate roller, the pipe wall of the plate roller has the advantage of fast heat transfer to the outside, and a product prepared by die pressing has the beneficial effect of uniform brightness of a die pressing position.
The cold-hot mould pressing printing roller is arranged, so that the temperature difference between the left, the middle and the right of a roller surface cold area on the pipe wall of the printing roller is small; the effect of local cooling and plate seam elimination is achieved, and the product prepared by die pressing has the beneficial effect of uniform brightness of the transition position.
Drawings
Fig. 1 is a schematic structural view of a cold and hot mold pressing roller of the present invention;
description of reference numerals:
the device comprises a cold inlet oil duct 1, a cold return oil duct 2, a heat insulation channel 3, a hot inlet oil duct 4, a superheated oil duct 5, a heat return oil duct 6 and a printing roller tube wall 7.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
The cold and hot mould pressing printing roller comprises a cylindrical printing roller pipe wall 7, and end sealing covers are arranged at two ends of the printing roller pipe wall 7; the cylinder tube wall 7 is axially provided with a plurality of longitudinal oil ducts for oil circulation in a through mode, the cross section of each longitudinal oil duct is circular, and each longitudinal oil duct comprises a cold inlet oil duct 1 for cold oil introduction, a cold return oil duct 2 for cold oil return, a hot inlet oil duct 4 for hot oil introduction, a hot oil duct 5 for hot oil circulation and a hot return oil duct 6 for hot oil return.
Further, each of the longitudinal oil passages is circumferentially arranged around the central axis position of the plate roller tube wall 7.
Further, the longitudinal oil passage comprises a first longitudinal oil passage and a second longitudinal oil passage, and the diameter of the first longitudinal oil passage is larger than that of the second longitudinal oil passage; the hot oil inlet channel 4, the overheating oil channel 5 and the heat return oil channel 6 are arranged on the basis of the first longitudinal oil channel to form corresponding roll surface hot areas; and the cold inlet oil duct 1 and the cold return oil duct 2 are arranged based on the second longitudinal oil duct, and corresponding cold areas on the roll surface are formed thermally.
Furthermore, each second longitudinal oil passage is arranged at the upper side position of the plate roller pipe wall 7, each first longitudinal oil passage is arranged around the left side, the lower side and the right side position of the plate roller pipe wall 7, and the distance from each first longitudinal oil passage to the central axis of the plate roller pipe wall 7 is equal; the distance from each first longitudinal oil duct to the outer wall of the plate roller pipe wall 7 is smaller than the distance from each first longitudinal oil duct to the central axis of the plate roller pipe wall 7.
Further, the distance between the cold oil inlet channel 1 and the central axis of the plate roller tube wall 7 is smaller than the distance between each first longitudinal oil channel and the central axis of the plate roller tube wall 7; the distance between the central axis of the cooling oil duct 2 and the tube wall 7 of the printing roller is greater than the distance between the central axis of the first longitudinal oil duct and the tube wall 7 of the printing roller.
Furthermore, a plurality of heat insulation channels 3 for isolating heat transfer axially penetrate through the plate roller tube wall 7, the heat insulation channels 3 are arranged at the upper side of the plate roller tube wall 7 and are positioned beside the second longitudinal oil channels, and the distance from the second longitudinal oil channels to the central axis of the plate roller tube wall 7 is greater than the distance from the first longitudinal oil channels to the central axis of the plate roller tube wall 7; the distance between each heat insulation channel 3 and the central axis of the plate roller pipe wall 7 is smaller than the distance between each first longitudinal oil channel and the central axis of the plate roller pipe wall 7. The passage diameter of the heat insulation passage 3 is larger than the oil passage diameter of the second longitudinal oil passage.
Furthermore, twelve first longitudinal oil ducts are arranged to correspond to the three oil inlet ducts 4, the six oil superheating ducts 5 and the three oil return ducts 6, respectively; the arrangement intervals between two adjacent first longitudinal oil passages are equal.
Furthermore, one heat-conducting oil duct group is formed by one heat-feeding oil duct 4, two overheating oil ducts 5 and one heat-returning oil duct 6, and the three heat-conducting oil duct groups are correspondingly arranged at the left side, the lower side and the right side of the plate roller tube wall 7.
Further, the number of the second longitudinal oil passages is two, and the two second longitudinal oil passages are respectively arranged corresponding to one cold inlet oil passage 1 and one cold return oil passage 2; the two second longitudinal oil ducts are symmetrically arranged relative to the diameter of the plate roller tube wall 7 and have equal distances to the central axis of the plate roller tube wall 7.
Specifically, the application principle is as follows:
hot oil trend: the oil-gas heat exchanger is provided with twelve first longitudinal oil passages for hot oil circulation, the first longitudinal oil passages are divided into three groups of heat conduction oil passages, each group comprises four first longitudinal oil passages, and the four first longitudinal oil passages are correspondingly arranged into a hot oil inlet passage 4 for hot oil introduction, two overheating oil passages 5 for hot oil circulation and a heat return oil passage 6 for hot oil return. Each first longitudinal oil passage is switched and communicated through a rotary joint; hot oil is led in from the oil inlet channel 4 and flows back and forth through the two overheating oil channels 5 to flow to the heat return oil channel 6 to be led out for oil return.
Based on the arrangement of the first longitudinal oil passage, hot oil is enabled to have the technical characteristics of high flow speed and small temperature attenuation in the flow of the plate roller pipe wall 7, and the plurality of groups of heat conduction oil passages are arranged, so that the temperatures of the adjacent oil passages are complemented, and the roller surface hot area of the plate roller pipe wall 7 has the technical effect of small left-middle-right temperature difference.
The cold oil trend is as follows: similarly, two second longitudinal oil ducts are arranged to serve as a cold inlet oil duct 1 for guiding cold oil and a cold return oil duct 2 for returning cold oil; the two second longitudinal oil ducts are symmetrically arranged relative to the diameter of the plate roller tube wall 7 and have equal distances to the central axis of the plate roller tube wall 7; and the two second longitudinal oil passages are communicated in a switching manner through a rotary joint.
Based on the arrangement of the second longitudinal oil passage, cold oil is enabled to have the technical characteristics of high flow speed and small temperature increment in the flow of the printing roller pipe wall 7, and the adjacent cold inlet oil passage 1 and the adjacent cold return oil passage 2 are arranged based on the characteristic of temperature complementarity, so that the roller surface cold area of the printing roller pipe wall 7 has the technical effect of small left-middle-right temperature difference; meanwhile, due to the arrangement of the heat insulation channel 3, heat brought by circulation of hot oil in the adjacent first longitudinal oil channel is blocked, and the cooling effect of cold oil in the second longitudinal oil channel is ensured.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.
Claims (7)
1. The cold and hot mould pressing plate roller is characterized by comprising a plate roller pipe wall; the plate roller is characterized in that a plurality of longitudinal oil ducts for oil circulation and a plurality of heat insulation passages for isolating heat transfer are axially arranged in the wall of the plate roller in a penetrating manner, and each longitudinal oil duct comprises a cold inlet oil duct for cold oil introduction, a cold return oil duct for cold oil return, a hot inlet oil duct for hot oil introduction, a hot oil duct for hot oil circulation and a hot return oil duct for hot oil return.
2. The cold-hot embossing roll according to claim 1, wherein each of said longitudinal oil passages is disposed circumferentially about a central axis location of a wall of said roll.
3. The cold-hot embossing roll according to claim 1, wherein the longitudinal oil passages include a first longitudinal oil passage and a second longitudinal oil passage, and the first longitudinal oil passage has an oil passage diameter larger than that of the second longitudinal oil passage; the heat inlet oil duct, the overheating oil duct and the heat return oil duct are arranged on the basis of the first longitudinal oil duct to form corresponding roll surface hot areas; and the cold inlet oil duct and the cold return oil duct are arranged based on the second longitudinal oil duct, and corresponding cold areas on the roll surface are formed thermally.
4. The cold-hot stamping roller according to claim 3, wherein each second longitudinal oil passage is disposed at an upper side position of the roller wall, each first longitudinal oil passage is disposed around left, lower and right sides of the roller wall, and each first longitudinal oil passage has an equal distance to a central axis of the roller wall; the distance from each first longitudinal oil duct to the outer wall of the plate roller pipe wall is smaller than the distance from each first longitudinal oil duct to the central axis of the plate roller pipe wall.
5. The cold-hot stamping roller as claimed in claim 3, wherein the heat insulation channel is disposed at an upper side of the roller wall and beside each of the second longitudinal oil passages, and a distance from each of the second longitudinal oil passages to a central axis of the roller wall is greater than a distance from each of the first longitudinal oil passages to the central axis of the roller wall; the distance from each heat insulation channel to the central axis of the plate roller pipe wall is smaller than the distance from each first longitudinal oil channel to the central axis of the plate roller pipe wall; the diameter of the heat insulation channel is larger than the diameter of the second longitudinal oil channel.
6. The cold-hot stamping roller according to claim 3, wherein twelve first longitudinal oil passages are provided to correspond to three heat inlet oil passages, six superheat oil passages and three heat return oil passages, respectively; the arrangement intervals between two adjacent first longitudinal oil passages are equal.
7. The cold-hot embossing roller set forth in claim 3, wherein the second longitudinal oil passage is provided with two, which are respectively provided corresponding to one cold inlet oil passage and one cold return oil passage; the two second longitudinal oil ducts are symmetrically arranged relative to the diameter of the tube wall of the printing roller and have equal distance to the central axis of the tube wall of the printing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501040.5U CN212920764U (en) | 2019-12-31 | 2019-12-31 | Cold and hot mould pressing version roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501040.5U CN212920764U (en) | 2019-12-31 | 2019-12-31 | Cold and hot mould pressing version roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212920764U true CN212920764U (en) | 2021-04-09 |
Family
ID=75296223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922501040.5U Active CN212920764U (en) | 2019-12-31 | 2019-12-31 | Cold and hot mould pressing version roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212920764U (en) |
-
2019
- 2019-12-31 CN CN201922501040.5U patent/CN212920764U/en active Active
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