CN219171912U - Printing roller cooling device - Google Patents
Printing roller cooling device Download PDFInfo
- Publication number
- CN219171912U CN219171912U CN202320264977.9U CN202320264977U CN219171912U CN 219171912 U CN219171912 U CN 219171912U CN 202320264977 U CN202320264977 U CN 202320264977U CN 219171912 U CN219171912 U CN 219171912U
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- Prior art keywords
- heat dissipation
- printing
- pipe fitting
- dissipation pipe
- printing sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The utility model discloses a printing roller cooling device, which comprises a bracket, a printing sleeve, a heat dissipation pipe fitting and a driving piece, wherein the bracket is arranged on the printing sleeve; the printing sleeve is rotatably arranged on one side of the bracket, and the heat dissipation pipe fitting is rotatably arranged on the other side of the bracket; one end of the heat dissipation pipe fitting extends to the inside of the printing sleeve; the outer wall of the heat dissipation pipe fitting is provided with a plurality of protruding ends, and when the heat dissipation pipe fitting rotates, the protruding ends rotate to disturb gas; the driving piece is arranged on one side of the bracket and is connected with the heat dissipation pipe fitting and the printing sleeve; when the driving piece drives, the heat dissipation pipe fitting is pulled to rotate, and the printing sleeve is controlled to rotate around the axial direction. According to the utility model, the heat dissipation pipe fitting and the driving piece are arranged, so that the heat dissipation pipe fitting is arranged in the printing sleeve to dissipate heat, and simultaneously can rotate along with the rotation of the printing sleeve, so that wind power is formed to conduct secondary heat dissipation, and the purpose of good heat dissipation effect is achieved.
Description
Technical Field
The utility model relates to the field of printing rollers, in particular to a printing roller cooling device.
Background
The printing roller is one of the fittings of the offset printer, and is used in the process of transferring ink to a printing stock through a printing machine and special ink, and the surface temperature of the printing roller is high due to friction with the printing stock.
The prior art chinese patent publication No. CN218171715U proposes a printing roller cooling device, which is provided with a plurality of through holes on two sides of a printing roller, and a plurality of fans, so that a driving motor rotates to drive the printing roller to rotate, and simultaneously, the inner cavity of the printing roller is cooled by air cooling, so as to achieve the purpose of improving the cooling effect.
However, the above device has certain drawbacks: if a plurality of fans, a plurality of through holes and semiconductor refrigerating sheets are required to be arranged to finish heat dissipation of the inner cavity of the printing roller, more parts are required, the design cost of the device is increased, and the fans are exposed outside, so that certain potential safety hazards exist.
Therefore, there is a need for a printing roller cooling device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a printing roller cooling device which is used for improving the heat dissipation effect on the inner cavity of a printing roller through a simple structure and improving the safety factor in use.
In order to solve the technical problems, the utility model provides a printing roller cooling device, which comprises a bracket, a printing sleeve, a heat dissipation pipe fitting and a driving piece;
the printing sleeve is rotatably arranged on one side of the bracket, and the heat dissipation pipe fitting is rotatably arranged on the other side of the bracket;
one end of the heat dissipation pipe fitting extends to the inside of the printing sleeve;
the outer wall of the heat dissipation pipe fitting is provided with a plurality of protruding ends, and when the heat dissipation pipe fitting rotates, the protruding ends rotate to disturb gas;
the driving piece is arranged on one side of the bracket and is connected with the heat dissipation pipe fitting and the printing sleeve;
when the driving piece drives, the heat dissipation pipe fitting is pulled to rotate, and the printing sleeve is controlled to rotate around the axial direction.
Further, the driving piece comprises a driving gear, a driven gear and a rack;
the driving gear is rotatably arranged on one side of the bracket through a driving motor;
the driven gear is fixedly arranged on the outer wall of the heat dissipation pipe fitting and meshed with the driving gear;
the rack is fixedly arranged on the inner wall of the printing sleeve and meshed with the driven gear;
when the driving gear rotates, the driven gear rotates and pulls the rack to rotate.
Furthermore, the driving gear and the driven gear and the rack are in staggered engagement, so that a gap is reserved between one end of the printing sleeve and the side wall of the bracket.
Further, the heat dissipation pipe fitting comprises a rotating shaft and a cooling liquid circulating pipe;
the rotating shaft is rotatably arranged on the bracket;
the driven gear is fixedly arranged on the outer wall of the rotating shaft;
the coolant circulation pipe is disposed at an end of the rotating shaft.
Further, the heat dissipation pipe fitting further comprises a circulating pump;
the circulating pump is embedded at the end part of the rotating shaft;
both ends of the cooling liquid circulating pipe are connected with the circulating pump.
Further, the cooling liquid circulation pipe is arranged in a zigzag structure, so that the outer wall of the cooling liquid circulation pipe forms the protruding end.
Further, the heat dissipation pipe fitting is provided with a plurality of.
Further, the plurality of heat dissipation pipe fittings are annularly arranged by taking the rotation axis of the printing sleeve as an array center point.
Further, an opening is formed in one side of the support, and the opening is communicated with the printing sleeve.
Compared with the prior art, the utility model has at least the following beneficial effects:
through setting up heat dissipation pipe fitting and driving piece for the heat dissipation pipe fitting is arranged in the printing sleeve and is carried out the heat dissipation, can also rotate along with the printing sleeve rotates, carries out the secondary heat dissipation with forming wind-force, reaches the purpose that the radiating effect is good.
In addition, because the heat dissipation pipe fitting is located inside the printing sleeve, interference can not be formed to other equipment or operators when the heat dissipation pipe fitting rotates, and the safety coefficient is effectively improved.
Drawings
FIG. 1 is a cross-sectional view of the structure of the printing roll cooling device of the present utility model;
fig. 2 is a partial side cross-sectional view of a printing roll cooling apparatus of the present utility model.
Detailed Description
The printing roll cooling unit of the present utility model will be described in more detail below in conjunction with the schematic drawings, wherein preferred embodiments of the present utility model are shown, it being understood that one skilled in the art could modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
As shown in fig. 1 and 2, an embodiment of the present utility model proposes a printing roller cooling device, which includes a bracket 1, a printing sleeve 2, a heat dissipation tube 3, and a driving member 4.
The printing sleeve 2 is rotatably arranged on one side of the support 1, and the heat dissipation pipe fitting 3 is rotatably arranged on the other side of the support 1.
One end of the heat dissipation pipe fitting 3 extends to the inside of the printing sleeve 2, namely, the heat dissipation pipe fitting 3 is arranged in the printing sleeve 2 to conduct heat dissipation treatment on the inner wall of the printing sleeve 2.
The outer wall of the heat dissipation pipe fitting 3 is provided with a plurality of protruding ends 5, and when the heat dissipation pipe fitting 3 rotates, a plurality of protruding ends 5 rotate to disturb the gas. Namely, when the heat dissipation pipe fitting 3 rotates, the protruding end 5 of the heat dissipation pipe fitting can form turbulence so as to disturb the flow of gas, thereby performing air-cooled heat dissipation, achieving the purpose of performing secondary heat dissipation on the inner wall of the printing sleeve 2 and improving the heat dissipation effect.
The driving piece 4 is arranged at one side of the bracket 1 and is connected with the heat dissipation pipe fitting 3 and the printing sleeve 2.
When the driving piece 4 drives, the heat dissipation pipe fitting 3 is pulled to rotate, and the printing sleeve 2 is controlled to rotate around the axial direction. That is, the printing sleeve 2 and the heat dissipation pipe fitting 3 are connected together through the driving piece 4, so that the printing sleeve 2 rotates synchronously while printing, and the printing sleeve 2 is ensured not to be bonded with the to-be-printed matter due to overhigh heat in the printing process.
As shown in fig. 2, in the present embodiment, a specific driving member 4 is provided to rotate the heat dissipation tube 3 while driving the printing sleeve 2 to rotate around the axial direction.
The driving member 4 includes a driving gear 41, a driven gear 42, and a rack 43.
The driving gear 41 is rotatably installed at one side of the bracket 1 by a driving motor.
The driven gear 42 is fixedly arranged on the outer wall of the heat dissipation pipe fitting 3 and meshed with the driving gear 41; the rack 43 is fixedly mounted on the inner wall of the printing sleeve 2 and meshes with the driven gear 42.
When the driving gear 41 rotates, the driven gear 42 rotates and pulls the rack 43 to rotate. Namely, a planetary gear structure is formed among the driving gear 41, the driven gear 42 and the rack 43, so that the heat dissipation tube 3 can be synchronously pulled to rotate and the printing sleeve 2 can be rotationally printed when the driving motor is operated.
Wherein the positional relationship of the components in the drive 4 is further defined in order to allow gas to enter the interior of the printing sleeve 2 along the slit.
As shown in fig. 1, the driving gear 41 and the driven gear 42 and the rack 43 are engaged in a staggered manner, so that a gap is reserved between one end of the printing sleeve 2 and the side wall of the bracket 1, so that gas can smoothly enter the printing sleeve 2.
In a further embodiment, a specific heat dissipation tube 3 is further provided, so as to enhance the heat dissipation effect of the heat dissipation tube 3 on the inner wall of the printing sleeve 2.
The heat radiation pipe 3 includes a rotation shaft 31 and a coolant circulation pipe 33.
The rotating shaft 31 is rotatably mounted on the bracket 1; the driven gear 42 is fixedly installed on the outer wall of the rotating shaft 31; the coolant circulation pipe 33 is provided at an end of the rotation shaft 31. I.e. by liquid cooling, to absorb the heat formed by the inner wall of the printing sleeve 2.
Wherein the heat dissipation pipe fitting 3 further comprises a circulation pump 32.
The circulating pump 32 is embedded at the end part of the rotating shaft 31; both ends of the cooling liquid circulation pipe 33 are connected to the circulation pump 32 to supply circulation power to the cooling liquid in the cooling liquid circulation pipe 33.
Further, the coolant circulation pipe 33 is provided in a zigzag structure such that the outer wall of the coolant circulation pipe 33 forms the convex end 5. That is, the protruding pipes on the outer wall of the cooling liquid circulation pipe 33 are used as blades to disturb, accelerate the flow of the gas in the printing sleeve 2, and promote the heat dissipation to the inner wall of the printing sleeve 2.
In a further embodiment, in order to further enhance the heat dissipation effect of the printing sleeve 2, a plurality of heat dissipation pipes 3 are provided, and the plurality of heat dissipation pipes 3 are annularly arranged with the rotation axis of the printing sleeve 2 as the center point of the array, so as to increase the heat dissipation area of the inner wall of the printing sleeve 2.
In addition, an opening 6 is provided on one side of the bracket 1, and the opening 6 is communicated with the printing sleeve 2, so that hot air can be blown out of the printing sleeve 2 along the opening 6, and heat dissipation is completed.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The printing roller cooling device is characterized by comprising a bracket, a printing sleeve, a heat dissipation pipe fitting and a driving piece;
the printing sleeve is rotatably arranged on one side of the bracket, and the heat dissipation pipe fitting is rotatably arranged on the other side of the bracket;
one end of the heat dissipation pipe fitting extends to the inside of the printing sleeve;
the outer wall of the heat dissipation pipe fitting is provided with a plurality of protruding ends, and when the heat dissipation pipe fitting rotates, the protruding ends rotate to disturb gas;
the driving piece is arranged on one side of the bracket and is connected with the heat dissipation pipe fitting and the printing sleeve;
when the driving piece drives, the heat dissipation pipe fitting is pulled to rotate, and the printing sleeve is controlled to rotate around the axial direction.
2. The printing roll cooling device of claim 1 wherein the drive member comprises a drive gear, a driven gear, and a rack;
the driving gear is rotatably arranged on one side of the bracket through a driving motor;
the driven gear is fixedly arranged on the outer wall of the heat dissipation pipe fitting and meshed with the driving gear;
the rack is fixedly arranged on the inner wall of the printing sleeve and meshed with the driven gear;
when the driving gear rotates, the driven gear rotates and pulls the rack to rotate.
3. The printing roll cooling unit of claim 2 wherein the drive gear and the driven gear and the carriage are in staggered engagement such that a gap remains between one end of the printing sleeve and the side wall of the carriage.
4. The printing roller cooling device according to claim 1, wherein the heat radiation pipe member includes a rotation shaft and a cooling liquid circulation pipe;
the rotating shaft is rotatably arranged on the bracket;
the driven gear is fixedly arranged on the outer wall of the rotating shaft;
the coolant circulation pipe is disposed at an end of the rotating shaft.
5. The printing roll cooling unit of claim 4 wherein the heat dissipating tubing further comprises a circulation pump;
the circulating pump is embedded at the end part of the rotating shaft;
both ends of the cooling liquid circulating pipe are connected with the circulating pump.
6. The printing roll cooling unit of claim 4 wherein the coolant circulation tube is configured in a zigzag configuration such that an outer wall of the coolant circulation tube forms the raised ends.
7. The printing roll cooling device of claim 1 wherein the heat dissipating tube is provided in plurality.
8. The printing roller cooling device according to claim 7, wherein the plurality of heat dissipation pipe members are arranged in a ring shape with a rotation axis of the printing sleeve as an array center point.
9. The printing roll cooling device of claim 1 wherein an opening is provided in one side of the bracket and the opening communicates with the printing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264977.9U CN219171912U (en) | 2023-02-21 | 2023-02-21 | Printing roller cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264977.9U CN219171912U (en) | 2023-02-21 | 2023-02-21 | Printing roller cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219171912U true CN219171912U (en) | 2023-06-13 |
Family
ID=86668007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320264977.9U Active CN219171912U (en) | 2023-02-21 | 2023-02-21 | Printing roller cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219171912U (en) |
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2023
- 2023-02-21 CN CN202320264977.9U patent/CN219171912U/en active Active
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