Multi-layer intaglio roller
By using multi-layer structure and thermally conductive materials in the gravure printing plate rollers and combined with the air duct heat dissipation system, the problem of poor heat dissipation performance of traditional gravure printing plate rollers is solved, rapid heat dissipation and temperature control are achieved, and the quality of printed materials is improved.
Patent Information
- Application Number
- CN202421129057.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-23
AI Technical Summary
Traditional gravure printing plate rollers have poor heat dissipation performance due to solid structure or only open holes on the surface, resulting in excessive temperature and affecting the quality of the printed product.
The gravure plate roller adopts a multi-layer structure, including roller shaft, roller sleeve, heat dissipation roller, thermal sleeve, bearing, air pipe joint and fixing components, and achieves rapid heat dissipation through the design of heat dissipation holes and air inlet holes.
It effectively reduces the temperature of the gravure printing plate roller, improves heat dissipation performance, prevents the problem of excessive temperature, and improves the quality of printed materials.
Smart Images
Figure CN222201970U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gravure printing plate rollers, in particular to a multi-layered gravure printing plate roller. Background Art
[0002] A gravure roller is a roller used for printing and coating. Its surface has a pattern of certain depth and shape, usually various types of grooves or small holes. The production of gravure rollers requires multiple processes, including pattern design, plate making, electroforming, engraving, etc., which requires high technical requirements. Gravure rollers are widely used in printing, coating, stretching, laminating and other industries.
[0003] When the gravure roller is working, it will contact and rub against the printed matter, generating heat. When working for a long time, the temperature of the gravure roller will continue to rise. Traditional gravure rollers are usually solid structures, or only have holes on the surface of the gravure rollers for heat dissipation, which has poor heat dissipation performance. This will cause the gravure roller temperature to be too high, resulting in problems that affect the quality of printed matter. Utility Model Content
[0004] The purpose of the utility model is to provide a multi-layered gravure printing plate to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-layered gravure roller, comprising a roller shaft and a roller sleeve, wherein the roller sleeve is provided with a gravure, and is characterized in that: the roller shaft and the roller sleeve are connected by an installation assembly, the installation assembly comprises a heat dissipation roller fixedly arranged on the roller shaft, a heat conductive sleeve sleeved on the heat dissipation roller, a bearing, an air pipe joint, and a fixing assembly, the roller sleeve is sleeved on the heat conductive sleeve, a plurality of heat dissipation holes A are opened through the outer wall of the heat dissipation roller, a plurality of heat dissipation holes B are opened through the left and right side walls of the heat dissipation roller, the heat dissipation holes A and the heat dissipation holes B are interconnected, an air inlet hole connected to the heat dissipation hole A is opened on the right side wall of the roller shaft, the bearing is located inside the air inlet hole and fixedly connected to the roller shaft, the air pipe joint is fixedly connected to the bearing, and the roller sleeve and the heat conductive sleeve are fixed to the heat dissipation roller through the fixing assembly.
[0006] Preferably, the fixing assembly includes a fixing plate fixedly arranged on the right side of the heat dissipation roller, and a locking plate sleeved on the roller shaft and located on the left side of the heat dissipation roller. The diameters of the fixing plate and the locking plate are both larger than the diameter of the heat conductive sleeve and smaller than the diameter of the roller sleeve. After the locking plate is fixedly connected to the heat dissipation roller by screws, the roller sleeve and the heat conductive sleeve are fixed between the fixing plate and the locking plate. A plurality of heat dissipation holes C are formed on the left and right side walls of the fixing plate and the locking plate, and the heat dissipation holes C coincide with the heat dissipation holes B.
[0007] Preferably, the fixing assembly also includes a spring washer A located between the fixing plate and the roller sleeve, and a spring washer B located between the locking plate and the roller sleeve. After the locking plate is fixedly connected to the heat dissipation roller by screws, the spring washer A is fixed to the fixing plate and the roller sleeve, and the spring washer B is fixed to the locking plate and the roller sleeve.
[0008] Preferably, a plurality of heat dissipation holes D are formed through the outer wall of the heat-conducting sleeve, and the heat dissipation holes A and the heat dissipation holes D coincide with each other.
[0009] Preferably, a positioning column A is fixedly provided on the right side of the heat-conducting sleeve, and a positioning hole A is opened on the left side wall of the fixed plate. After the positioning column A is inserted into the positioning hole A, the heat dissipation hole A and the heat dissipation hole D are overlapped in position.
[0010] Preferably, a positioning column B is fixedly provided on the left side of the heat dissipation roller, a positioning hole B is opened on the right side wall of the locking plate, and after the positioning column B is inserted into the positioning hole B, the heat dissipation hole C and the heat dissipation hole B coincide with each other.
[0011] Preferably, the heat dissipation roller and the heat conductive sleeve are both made of heat conductive metal materials.
[0012] The beneficial effects of the utility model are as follows: when the utility model is assembled, the heat-conducting sleeve is firstly sleeved on the heat-dissipating roller, and the positioning column A is inserted into the positioning hole A, so that the heat-dissipating hole A is aligned with the heat-dissipating hole D, and then the roller sleeve is sleeved on the heat-dissipating sleeve, the locking disk is sleeved on the roller shaft, and the positioning column B is inserted into the positioning hole B, so that the heat-dissipating hole C is aligned with the heat-dissipating hole B, and the locking disk is fixedly connected with the heat-dissipating roller by screws, so that the roller sleeve and the heat-conducting sleeve are fixed between the fixed disk and the locking disk, and the assembly of the utility model is completed; when the utility model is working, the roller sleeve contacts and rubs against the printed matter to generate heat, and the roller sleeve transfers the heat to the heat-conducting sleeve, and the heat-conducting sleeve transfers the heat to the heat-dissipating roller; when the utility model is dissipating heat, the air pipe is inserted into the air pipe joint (the air pipe is connected to the external Air source connection), open the external air pipe to blow air into the air inlet, since the air inlet is connected with the heat dissipation hole A, and the heat dissipation hole A is connected with the heat dissipation hole B, the air will circulate inside the heat dissipation hole A, the heat dissipation hole B and the heat dissipation hole D, and then flow out through the heat dissipation hole C, taking away the heat, dissipating the heat dissipation roller and the heat conductive sleeve, and then dissipating the roller sleeve, which plays a role in rapid heat dissipation; since the air pipe joint is fixedly connected to the bearing, it plays a role in preventing the roller shaft from driving the air pipe to rotate; in summary, the utility model has the beneficial effect of rapid heat dissipation, and solves the problem that the traditional gravure roller is usually a solid structure, or only holes are opened on the surface of the gravure roller for heat dissipation, the heat dissipation performance is poor, resulting in the problem of excessive temperature of the gravure roller, which affects the quality of printed products. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Attached Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Attached Figure 2It is a right side view of the utility model;
[0015] Attached Figure 3 For attachment Figure 2 Sectional view at AA;
[0016] Attached Figure 4 For attachment Figure 2 Cross-sectional view at BB in the middle.
[0017] In the figure: roller 1, roller sleeve 2, gravure 3, heat dissipation roller 4, heat conductive sleeve 5, bearing 6, air pipe joint 7, heat dissipation hole A8, heat dissipation hole B9, air inlet hole 10, fixed plate 11, locking plate 12, heat dissipation hole C13, spring washer A14, spring washer B15, heat dissipation hole D16, positioning column A17, positioning hole A18, positioning column B19, positioning hole B20. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0019] like Figure 1-4As shown, the utility model discloses a multi-layered gravure roller, comprising a roller shaft 1 and a roller sleeve 2, wherein the roller sleeve 2 is provided with a gravure 3, the roller shaft 1 and the roller sleeve 2 are connected through a mounting assembly, the mounting assembly comprising a heat dissipation roller 4 fixedly arranged on the roller shaft 1, a heat conductive sleeve 5 sleeved on the heat dissipation roller 4, a bearing 6, an air pipe joint 7, and a fixing assembly, the roller sleeve 2 is sleeved on the heat conductive sleeve 5, a plurality of heat dissipation holes A8 are formed through the outer wall of the heat dissipation roller 4, a plurality of heat dissipation holes B9 are formed through the left and right side walls of the heat dissipation roller 4, the heat dissipation holes A8 and the heat dissipation holes B9 are interconnected, an air inlet hole 10 which is formed through the heat dissipation hole A8 is formed on the right side wall of the roller shaft 1, the bearing 6 is located inside the air inlet hole 10 and is fixedly connected to the roller shaft 1, the air pipe joint 7 is fixedly connected to the bearing 6, the roller sleeve 2 and the heat conductive sleeve 5 are fixed to the heat dissipation roller 4 through a fixing assembly. When the utility model is assembled, the heat-conducting sleeve 5 is first sleeved on the heat-dissipating roller 4, and the positioning column A17 is inserted into the positioning hole A18, so that the heat-dissipating hole A8 is aligned with the heat-dissipating hole D16, and then the roller sleeve 2 is sleeved on the heat-dissipating sleeve, the locking plate 12 is sleeved on the roller shaft 1, and the positioning column B19 is inserted into the positioning hole B20, so that the heat-dissipating hole C13 is aligned with the heat-dissipating hole B9, and the locking plate 12 is fixedly connected to the heat-dissipating roller 4 by screws, so that the roller sleeve 2 and the heat-conducting sleeve 5 are fixed between the fixed plate 11 and the locking plate 12, and the assembly of the utility model is completed; when the utility model is working, the roller sleeve 2 contacts and rubs against the printed matter to generate heat, and the roller sleeve 2 transfers the heat to the heat-conducting sleeve 5, and the heat-conducting sleeve 5 transfers the heat to the heat-dissipating roller 4; when the utility model is dissipating heat, the air pipe is inserted into the air pipe joint 7 (the air pipe is connected to the outside The air source is connected), and the external air source is opened to blow air into the air inlet 10. Since the air inlet 10 is connected with the heat dissipation hole A8, and the heat dissipation hole A8 is connected with the heat dissipation hole B9, the air will flow inside the heat dissipation hole A8, the heat dissipation hole B9 and the heat dissipation hole D16, and then flow out through the heat dissipation hole C13, taking away the heat, dissipating the heat dissipation roller 4 and the heat conductive sleeve 5, and then dissipating the heat dissipation of the roller sleeve 2, which plays a role in rapid heat dissipation; since the air pipe joint 7 is fixedly connected to the bearing 6, it plays a role in preventing the roller shaft 1 from driving the air pipe to rotate; in summary, the utility model has the beneficial effect of rapid heat dissipation, and solves the problem that the traditional gravure printing 3 version roller is usually a solid structure, or only holes are opened on the surface of the gravure printing 3 version roller for heat dissipation, and the heat dissipation performance is poor, resulting in the problem that the temperature of the gravure printing 3 version roller is too high, which affects the quality of the printed product.
[0020] Preferably, the fixing assembly includes a fixing plate 11 fixedly arranged on the right side of the heat dissipation roller 4, and a locking plate 12 sleeved on the roller shaft 1 and located on the left side of the heat dissipation roller 4. The diameters of the fixing plate 11 and the locking plate 12 are both larger than the diameter of the heat-conducting sleeve 5 and smaller than the diameter of the roller sleeve 2. After the locking plate 12 is fixedly connected to the heat dissipation roller 4 by screws, the roller sleeve 2 and the heat-conducting sleeve 5 are fixed between the fixing plate 11 and the locking plate 12. A plurality of heat dissipation holes C13 are provided through the left and right side walls of the fixing plate 11 and the locking plate 12, and the heat dissipation holes C13 and the heat dissipation holes B9 are overlapped in position. Since the diameters of the fixing plate 11 and the locking plate 12 are both larger than the diameter of the heat-conducting sleeve 5 and smaller than the diameter of the roller sleeve 2, the fixing plate 11 and the locking plate 12 are prevented from contacting with the printed matter. Since the locking plate 12 is fixedly connected to the heat dissipation roller 4 by screws, the roller sleeve 2 and the heat-conducting sleeve 5 are fixed between the fixing plate 11 and the locking plate 12, the roller sleeve 2 and the heat-conducting sleeve 5 are conveniently disassembled and assembled.
[0021] Preferably, the fixing assembly further includes a spring washer A14 located between the fixing plate 11 and the roller sleeve 2, and a spring washer B15 located between the locking plate 12 and the roller sleeve 2. After the locking plate 12 is fixedly connected to the heat dissipation roller 4 by screws, the spring washer A14 is fixed to the fixing plate 11 and the roller sleeve 2, and the spring washer B15 is fixed to the locking plate 12 and the roller sleeve 2. Since the locking plate 12 is fixedly connected to the heat dissipation roller 4 by screws, the spring washer A14 is fixed to the fixing plate 11 and the roller sleeve 2, and the spring washer B15 is fixed to the locking plate 12 and the roller sleeve 2, it plays a role in preventing the roller sleeve 2 and the side wall of the heat conductive sleeve 5 from being crushed, and at the same time plays a role in pressing the roller sleeve 2 and the heat conductive sleeve 5.
[0022] Preferably, a plurality of heat dissipation holes D16 are formed through the outer wall of the heat-conducting sleeve 5, and the heat dissipation holes A8 and the heat dissipation holes D16 are overlapped in position. Since the heat dissipation holes A8 and the heat dissipation holes D16 are overlapped in position, the heat dissipation of the heat-conducting sleeve 5 is facilitated.
[0023] Preferably, a positioning post A17 is fixedly provided on the right side of the heat-conducting sleeve 5, and a positioning hole A18 is provided on the left wall of the fixing plate 11. After the positioning post A17 is inserted into the positioning hole A18, the heat dissipation hole A8 and the heat dissipation hole D16 are aligned. Since the heat dissipation hole A8 and the heat dissipation hole D16 are aligned after the positioning post A17 is inserted into the positioning hole A18, it is convenient to align the heat dissipation hole A8 with the heat dissipation hole D16.
[0024] Preferably, a positioning column B19 is fixedly provided on the left side of the heat dissipation roller 4, and a positioning hole B20 is provided on the right wall of the locking plate 12. After the positioning column B19 is inserted into the positioning hole B20, the heat dissipation hole C13 coincides with the heat dissipation hole B9. Since the heat dissipation hole C13 coincides with the heat dissipation hole B9 after the positioning column B19 is inserted into the positioning hole B20, it is convenient to align the heat dissipation hole C13 with the heat dissipation hole B9.
[0025] Preferably, the heat dissipation roller 4 and the heat-conducting sleeve 5 are both made of heat-conducting metal materials. Since the heat dissipation roller 4 and the heat-conducting sleeve 5 are both made of heat-conducting metal materials, the heat is quickly transferred.
[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A multi-layered gravure printing plate roller, comprising a roller shaft (1) and a roller sleeve (2), wherein the roller sleeve (2) is provided with a gravure printing plate (3), characterized in that: The roller shaft (1) and the roller sleeve (2) are connected via a mounting assembly, wherein the mounting assembly comprises a heat dissipation roller (4) fixedly mounted on the roller shaft (1), a heat conductive sleeve (5) sleeved on the heat dissipation roller (4), a bearing (6), an air pipe joint (7), and a fixing assembly; the roller sleeve (2) is sleeved on the heat conductive sleeve (5); a plurality of heat dissipation holes A (8) are formed through the outer wall of the heat dissipation roller (4); a plurality of heat dissipation holes B (9) are formed through the left and right side walls of the heat dissipation roller (4); the heat dissipation holes A (8) and the heat dissipation holes B (9) are mutually connected; an air inlet hole (10) is formed on the right side wall of the roller shaft (1) and is connected to the heat dissipation hole A (8); the bearing (6) is located inside the air inlet hole (10) and is fixedly connected to the roller shaft (1); the air pipe joint (7) is fixedly connected to the bearing (6); and the roller sleeve (2) and the heat conductive sleeve (5) are fixed to the heat dissipation roller (4) via the fixing assembly.
2. A multi-layered gravure printing plate roller according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (11) fixedly arranged on the right side of the heat dissipation roller (4), and a locking plate (12) sleeved on the roller shaft (1) and located on the left side of the heat dissipation roller (4); the diameters of the fixing plate (11) and the locking plate (12) are both larger than the diameter of the heat-conducting sleeve (5) and smaller than the diameter of the roller sleeve (2); after the locking plate (12) is fixedly connected to the heat dissipation roller (4) by screws, the roller sleeve (2) and the heat-conducting sleeve (5) are fixed between the fixing plate (11) and the locking plate (12); a plurality of heat dissipation holes C (13) are formed through the left and right side walls of the fixing plate (11) and the locking plate (12); the heat dissipation holes C (13) and the heat dissipation holes B (9) are located at the same position.
3. A multi-layered gravure printing plate roller according to claim 2, characterized in that: The fixing assembly further comprises a spring washer A (14) located between the fixing plate (11) and the roller sleeve (2), and a spring washer B (15) located between the locking plate (12) and the roller sleeve (2). After the locking plate (12) is fixedly connected to the heat dissipation roller (4) by screws, the spring washer A (14) is fixed to the fixing plate (11) and the roller sleeve (2), and the spring washer B (15) is fixed to the locking plate (12) and the roller sleeve (2).
4. A multi-layered gravure printing plate roller according to claim 3, characterized in that: A plurality of heat dissipation holes D (16) are formed through the outer wall of the heat-conducting sleeve (5), and the heat dissipation holes A (8) coincide with the heat dissipation holes D (16).
5. A multi-layered gravure printing plate roller according to claim 4, characterized in that: A positioning column A (17) is fixedly provided on the right side of the heat-conducting sleeve (5), and a positioning hole A (18) is opened on the left side wall of the fixing plate (11). After the positioning column A (17) is inserted into the positioning hole A (18), the heat dissipation hole A (8) and the heat dissipation hole D (16) are overlapped in position.
6. A multi-layered gravure printing plate roller according to claim 5, characterized in that: A positioning column B (19) is fixedly provided on the left side of the heat dissipation roller (4), and a positioning hole B (20) is opened on the right side wall of the locking plate (12). After the positioning column B (19) is inserted into the positioning hole B (20), the heat dissipation hole C (13) and the heat dissipation hole B (9) are overlapped in position.
7. A multi-layered gravure printing plate roller according to claim 6, characterized in that: The heat dissipation roller (4) and the heat conductive sleeve (5) are both made of heat conductive metal materials.