CN112537121A - Printing roller cooling device - Google Patents
Printing roller cooling device Download PDFInfo
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- CN112537121A CN112537121A CN202011475393.3A CN202011475393A CN112537121A CN 112537121 A CN112537121 A CN 112537121A CN 202011475393 A CN202011475393 A CN 202011475393A CN 112537121 A CN112537121 A CN 112537121A
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- water
- pipe
- cooling
- communicated
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/22—Means for cooling or heating forme or impression cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a printing roller cooling device which comprises a printing table, a fixed cover, a blowing mechanism, a cooling mechanism and a printing roller, wherein the fixed cover is welded at the top of the printing table; this scheme, through adopting cooling body, form the hydrologic cycle, the cold water machine cools off the circulating water, and then make the cooling water get into the roller body and cool off to the roller body behind the water cavity of roll body inner chamber, realize inside cooling, simultaneously through the cooperation of blast mechanism and siphunculus, can blow off the surface to the roll body through the blowing pipe of air outlet bottom of pipe portion with the cold air after the air of inhaling to the cooling jacket inner chamber cools down, can cool off the surface of roll body, very big improvement the cooling effect, the mode that can forced air cooling and water-cooling combine in time dispels the heat in the roller body, and the heat dissipation efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of printing machines, in particular to a printing roller cooling device.
Background
Printing is a technique of transferring ink to the surface of paper, textiles, plastics, leather, PVC, PC, or other materials by plate making, inking, and pressing original documents such as characters, pictures, photographs, and forgery prevention, and copying the contents of the original documents in bulk. Printing is the process of transferring the approved printing plate to the printing stock by printing machine and special ink.
A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.
The printing machine is the drive printing roller usually and prints, and the printing roller is after long-time work, and the surface produces a large amount of heats, influences the printing effect under the high temperature condition, needs dispel the heat to the printing roller, and traditional radiating mode is usually for blowing the heat dissipation, and the radiating effect of blowing is relatively poor, can not dispel the heat of printing roller in time, and the radiating efficiency is low.
Disclosure of Invention
The invention aims to provide a printing roller cooling device, which forms water circulation by adopting a cooling mechanism, a water cooler cools circulating water, and further cools a roller body after cooling water enters a water cavity of an inner cavity of the roller body, so that internal cooling is realized.
In order to achieve the purpose, the invention provides the following technical scheme: a printing roll cooling device comprising: the printing device comprises a printing table, a fixed cover, a blowing mechanism, a cooling mechanism and a printing roller, wherein the fixed cover is welded at the top of the printing table, the printing roller is rotatably connected with an inner cavity of the fixed cover, the cooling mechanism is fixedly arranged at one side of the top of the fixed cover, and the blowing mechanism is positioned at one side of the cooling mechanism and on the surface of the cooling mechanism;
the fixed cover comprises a cover body, and fixed bearings are welded on two sides of the inner wall of the cover body;
the cooling mechanism comprises a water chiller, a water inlet pipe and a water outlet pipe are respectively communicated with two sides of the water chiller, one end of the water inlet pipe, which is far away from the water chiller, is communicated with a first water through pipe, one end of the water outlet pipe, which is far away from the water chiller, is communicated with a through pipe, and one end of the through pipe, which is far away from the water outlet pipe, is communicated with a second water through pipe;
the air blowing mechanism comprises a cooling sleeve and a fan, the cooling sleeve is sleeved on the surface of a through pipe, one side, close to the water chiller, of the top of the cooling sleeve is communicated with an air inlet pipe, one side, far away from the water chiller, of the bottom of the cooling sleeve is communicated with a first vent pipe, the fan is fixedly installed at the top of a cover body, an air outlet end of the fan is communicated with a second vent pipe, one end, far away from the fan, of the second vent pipe penetrates through the cover body and is communicated with an air outlet pipe, and the bottom of the air outlet pipe is communicated with an air blowing pipe;
the printing roller comprises a roller body, an empty barrel is welded in an inner cavity of the roller body through a fixed column, a water cavity is arranged at a crack between the roller body and the empty barrel, rotating sleeves are welded on two sides of the roller body, through holes are formed in two sides of the inner wall of the roller body, and sealing bearings are embedded in the inner cavity of the through holes.
Through adopting the above-mentioned technical scheme, through adopting cooling mechanism, form the hydrologic cycle, the cold water machine cools off the circulating water, and then make the cooling water get into the roller body and cool off to the roller body behind the water cavity of roll body inner chamber, realize inside cooling, simultaneously through the cooperation of blowing mechanism and siphunculus, can blow off the surface to the roll body through the blowing pipe of air-out bottom of tubes portion with the cold air after the air of inhaling to the cooling jacket inner chamber is cooled down, can cool off the surface of roll body, very big improvement the cooling effect, the mode that can air-cooled and water-cooling combine is in time to dispel the heat in the roller body, the radiating efficiency is greatly improved.
Preferably, one end of the air inlet pipe, which is far away from the cooling sleeve, is sleeved with a coarse filter screen.
Through adopting above-mentioned technical scheme, can avoid filtering dust particle and impurity more than the micron in the air, avoid the situation that dust particle and impurity pollute the printed matter.
Preferably, one end of the first water passing pipe, which is far away from the water cooler, penetrates through the cooling jacket, and one end of the second water passing pipe, which is close to the cooling jacket, penetrates through the cooling jacket.
Through adopting above-mentioned technical scheme, can avoid the siphunculus to expose in external environment, cause the situation that the temperature rose.
Preferably, the shape of the through-tube is helical.
Through adopting above-mentioned technical scheme, can increase the area of contact of cooling jacket inner chamber air and siphunculus, and then improved air cooling's efficiency.
Preferably, one end of the first vent pipe, which is far away from the cooling sleeve, is communicated with an air inlet end of the fan.
Through adopting above-mentioned technical scheme, the fan can be taken out into the negative pressure through first breather pipe with cooling jacket's inner chamber, and then makes the inner chamber of air admission cooling jacket.
Preferably, one end of the rotating sleeve, which is far away from the roller body, penetrates through the fixed bearing and is welded with the inner wall of the fixed bearing.
Through adopting above-mentioned technical scheme, can improve the stability of roll body greatly, avoid the situation that the roll body drops to appear.
Preferably, one end of the second water through pipe, which is far away from the cooling sleeve, sequentially penetrates through the cover body, the fixed bearing, the rotating sleeve and the sealing bearing, which are close to one side of the water chiller, and the second water through pipe is communicated with the water cavity.
Preferably, one end of the first water pipe, which is far away from the cooling sleeve, sequentially penetrates through the cover body, the fixed bearing, the rotating sleeve and the sealing bearing, which are close to one side of the cooling sleeve, and the first water pipe is communicated with the water cavity.
By adopting the technical scheme, the first water through pipe, the second water through pipe and the water cavity can form a communicated passage, so that cooling water in the inner cavity of the water cooler and the water cavity form a circulating water passage to radiate the roller body.
Preferably, the number of the air blowing pipes is not less than five, and the aperture of each air blowing pipe is one to three centimeters.
Through adopting above-mentioned technical scheme, can increase or reduce the setting of blowing pipe according to actual conditions, make the more even surface of blowing to the roll body of cold air.
Preferably, the surfaces of the first water through pipe and the second water through pipe are both sleeved with heat insulation sleeves, and the thickness of each heat insulation sleeve is five to fifteen millimeters.
Through adopting above-mentioned technical scheme, can keep warm to first water service pipe and second water service pipe, avoid the situation that the temperature rose.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cooling mechanism is adopted to form water circulation, the water cooler cools the circulating water, so that cooling water enters the water cavity of the inner cavity of the roller body and then cools the roller body, internal cooling is realized, meanwhile, through the matching of the blowing mechanism and the through pipe, cold air which is sucked into the inner cavity of the cooling sleeve and cooled can be blown out to the outer surface of the roller body through the blowing pipe at the bottom of the air outlet pipe, the outer surface of the roller body can be cooled, the cooling effect is greatly improved, heat in the roller body can be timely dissipated in a mode of combining air cooling and water cooling, and the heat dissipation efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of the structure of a printing roll cooling device of the present invention;
FIG. 2 is a schematic cross-sectional view of the retaining cap and cooling mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of a printing roll according to the present invention;
FIG. 4 is an enlarged view of a portion of A of FIG. 3 according to the present invention;
FIG. 5 is a schematic cross-sectional view of a blowing mechanism according to the present invention;
fig. 6 is a schematic view of the construction of a blower pipe according to the invention.
In the figure: 1. a printing table; 2. a fixed cover; 3. a blowing mechanism; 4. a cooling mechanism; 5. a printing roller; 6. a thermal insulation sleeve; 21. a cover body; 22. fixing the bearing; 31. cooling the sleeve; 32. an air inlet pipe; 33. coarse-effect filter screen; 34. a first vent pipe; 35. a fan; 36. a second vent pipe; 37. a blowpipe; 38. an air outlet pipe; 41. a water chiller; 42. a water inlet pipe; 43. a first water pipe; 44. a water outlet pipe; 45. a second water passage pipe; 46. pipe passing; 51. a roller body; 52. rotating the sleeve; 53. fixing a column; 54. a water chamber; 55. an empty cartridge; 56. sealing the bearing; 57. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a printing roll cooling device comprising: printing platform 1, fixed cover 2, the mechanism of blowing 3, cooling body 4 and printing roller 5, fixed cover 2 welds in the top of printing platform 1, and printing roller 5 rotates the inner chamber of connecting with fixed cover 2, and cooling body 4 fixed mounting is in one side at fixed cover 2 top, and the mechanism of blowing 3 is located one side of cooling body 4 and with the surface of cooling body 4.
Wherein, the fixed cover 2 comprises a cover body 21, and fixed bearings 22 are welded on two sides of the inner wall of the cover body 21.
The cooling mechanism 4 comprises a water cooler 41, the two sides of the water cooler 41 are respectively communicated with a water inlet pipe 42 and a water outlet pipe 44, one end of the water inlet pipe 42, which is far away from the water cooler 41, is communicated with a first water pipe 43, one end of the first water pipe 43, which is far away from the water cooler 41, is communicated with the cooling sleeve 31, one end of the second water pipe 45, which is close to the cooling sleeve 31, is communicated with the cooling sleeve 31, so that the condition that the water temperature is increased due to the fact that the through pipe 46 is exposed to the outside environment can be avoided, one end of the water outlet pipe 44, which is far away from the water cooler 41, is communicated with a through pipe 46, the shape of the through pipe 46 is spiral, the contact area between the air in the inner cavity of the cooling sleeve 31 and the through pipe 46 can be increased, the air cooling efficiency is improved, one end of the through pipe 46, which, The rotating sleeve 52 and the sealing bearing 56 are arranged on one side close to the water cooler 41, the second water pipe 45 is communicated with the water cavity 54, one end, far away from the cooling sleeve 31, of the first water pipe 43 sequentially penetrates through the cover body 21, the fixed bearing 22 is arranged on one side close to the cooling sleeve 31, the rotating sleeve 52 and the sealing bearing 56 are arranged on one side close to the cooling sleeve 31, the first water pipe 43 is communicated with the water cavity 54, a communicated passage can be formed by the first water pipe 43, the second water pipe 45 and the water cavity 54, further, a circulating water passage is formed by cooling water in the inner cavity of the water cooler 41 and the water cavity 54, heat dissipation is carried out on the roller body 51, the heat insulation sleeves 6 are sleeved on the surfaces of the first water pipe 43 and the second water pipe 45, the thickness of the heat insulation sleeves 6 is five-fifteen millimeters, heat insulation can be carried out on the first water pipe 43 and the second.
Wherein, the blowing mechanism 3 includes a cooling sleeve 31 and a fan 35, the cooling sleeve 31 is sleeved on the surface of the through pipe 46, one side of the top of the cooling sleeve 31 close to the water chiller 41 is communicated with an air inlet pipe 32, one end of the air inlet pipe 32 far away from the cooling sleeve 31 is sleeved with a coarse filter screen 33, which can avoid filtering dust particles and impurities with more than 5 microns in the air, and avoid the pollution of the dust particles and the impurities to the printed matters, one side of the bottom of the cooling sleeve 31 and far away from the water chiller 41 is communicated with a first air pipe 34, one end of the first air pipe 34 far away from the cooling sleeve 31 is communicated with the air inlet end of the fan 35, the fan 35 can pump the inner cavity of the cooling sleeve 31 into negative pressure through the first air pipe 34, so that the air enters the inner cavity of the cooling sleeve 31, the fan 35 is fixedly installed on the top of the cover body 21, one end of the second vent pipe 36 far away from the fan 35 penetrates through the cover body 21 and is communicated with the air outlet pipe 38, the bottom of the air outlet pipe 38 is communicated with the blowing pipes 37, the number of the blowing pipes 37 is not less than five, the aperture of each blowing pipe 37 is one to three centimeters, the number of the blowing pipes 37 can be increased or reduced according to actual conditions, and cold air is blown to the surface of the roller body 51 more uniformly.
Wherein, the printing roller 5 includes the roll body 51, the inner chamber of roll body 51 has an empty section of thick bamboo 55 through the welding of fixed column 53, the crack department between roll body 51 and the empty section of thick bamboo 55 is provided with water cavity 54, rotating sleeve 52 has all been welded to the both sides of roll body 51, rotating sleeve 52 keep away from the one end of roll body 51 run through fixing bearing 22 and with fixing bearing 22's inner wall welding, can improve the stability of roll body 51 greatly, the situation that drops has appeared in roll body 51 has been avoided, through-hole 57 has all been seted up to the both sides of roll body 51 inner wall, the inner chamber of through-hole 57 inlays and.
Through adopting above-mentioned technical scheme, through adopting cooling mechanism 4, form the hydrologic cycle, water chiller 41 cools off the circulating water, and then make the cooling water get into the roller body 51 and cool off behind the water cavity 54 of roller body 51 inner chamber, realize inside cooling, simultaneously through the cooperation of blowing mechanism 3 and siphunculus 46, can blow off the cold air that the air that inhales to the cooling jacket 31 inner chamber after cooling down to roller body 51's surface through the blowing pipe 37 of play tuber pipe 38 bottom, can cool off roller body 51's surface, very big improvement the cooling effect, the mode that can air-cooled and water-cooling combine in time looses the heat in the roller body 51, the radiating efficiency has been improved greatly.
The structure principle is as follows: by turning on the water cooler 41, the water cooler 41 cools the water inside and then transmits the cooled water to the inner cavity of the water cavity 54 through the water outlet pipe 44, the through pipe 46 and the second water pipe 45, the cooled water in the inner cavity of the water cavity 54 contacts with the inner wall of the roller body 51, so that the heat of the roller body 51 is dissipated from the inside, the cooled water is heated, and the heated cooled water is transmitted to the inner cavity of the water cooler 41 through the water inlet pipe 42 through the first water pipe 43, so that the circulating cooling is realized;
through opening fan 35, fan 35 draws into the negative pressure through first breather pipe 34 with cooling jacket 31's inner chamber, the air filters the back through coarse filter screen 33 and gets into cooling jacket 31's inner chamber through intake pipe 32, with the siphunculus 46 full contact of cooling jacket 31 inner chamber, and then reduce the air temperature, then the air after the cooling is taken out by fan 35 through first breather pipe 34, discharge by the play tuber pipe 38 of second breather pipe 36 bottom again, cool off the heat dissipation to roller body 51's surface, the realization dispels the heat to roller body 51's surface.
In conclusion, through adopting cooling mechanism 4, form the hydrologic cycle, water chiller 41 cools off the circulating water, and then make the cooling water get into and cool off roller 51 behind the water cavity 54 of roller 51 inner chamber, realize inside cooling, simultaneously through blow mechanism 3 and siphunculus 46's cooperation, can blow off the outside surface to roller 51 through the blowing pipe 37 of play tuber pipe 38 bottom with the cold air that the air of inhaling to the cooling jacket 31 inner chamber was cooled down after the cooling down, can cool off roller 51's outside surface, very big improvement the cooling effect, the mode that can air-cooled and water-cooling combine in time dispels the heat in the roller 51, the radiating efficiency has been improved greatly.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A printing roller cooling apparatus, comprising: the printing device comprises a printing table (1), a fixed cover (2), a blowing mechanism (3), a cooling mechanism (4) and a printing roller (5), wherein the fixed cover (2) is welded at the top of the printing table (1), the printing roller (5) is rotatably connected with an inner cavity of the fixed cover (2), the cooling mechanism (4) is fixedly arranged at one side of the top of the fixed cover (2), and the blowing mechanism (3) is positioned at one side of the cooling mechanism (4) and on the surface of the cooling mechanism (4);
the fixed cover (2) comprises a cover body (21), and fixed bearings (22) are welded on two sides of the inner wall of the cover body (21);
the cooling mechanism (4) comprises a water cooler (41), a water inlet pipe (42) and a water outlet pipe (44) are respectively communicated with two sides of the water cooler (41), one end, far away from the water cooler (41), of the water inlet pipe (42) is communicated with a first water through pipe (43), one end, far away from the water cooler (41), of the water outlet pipe (44) is communicated with a through pipe (46), and one end, far away from the water outlet pipe (44), of the through pipe (46) is communicated with a second water through pipe (45);
the blowing mechanism (3) comprises a cooling sleeve (31) and a fan (35), the surface of the through pipe (46) is sleeved with the cooling sleeve (31), an air inlet pipe (32) is communicated with one side, close to the water chiller (41), of the top of the cooling sleeve (31), a first vent pipe (34) is communicated with one side, far away from the water chiller (41), of the bottom of the cooling sleeve (31), the fan (35) is fixedly installed at the top of the cover body (21), the air outlet end of the fan (35) is communicated with a second vent pipe (36), one end, far away from the fan (35), of the second vent pipe (36) penetrates through the cover body (21) and is communicated with an air outlet pipe (38), and the bottom of the air outlet pipe (38) is communicated with an air blowing pipe (37);
the printing roller (5) comprises a roller body (51), an empty cylinder (55) is welded in an inner cavity of the roller body (51) through a fixing column (53), a water cavity (54) is arranged at a seam between the roller body (51) and the empty cylinder (55), rotating sleeves (52) are welded on two sides of the roller body (51), through holes (57) are formed in two sides of the inner wall of the roller body (51), and sealing bearings (56) are embedded in inner cavities of the through holes (57).
2. A printing roller cooling device according to claim 1, characterized in that: and one end of the air inlet pipe (32) far away from the cooling sleeve (31) is sleeved with a coarse filter screen (33).
3. A printing roller cooling device according to claim 1, characterized in that: one end, far away from the water cooler (41), of the first water passing pipe (43) penetrates through the cooling sleeve (31), and one end, close to the cooling sleeve (31), of the second water passing pipe (45) penetrates through the cooling sleeve (31).
4. A printing roller cooling device according to claim 1, characterized in that: the shape of the through pipe (46) is spiral.
5. A printing roller cooling device according to claim 1, characterized in that: one end of the first vent pipe (34) far away from the cooling sleeve (31) is communicated with the air inlet end of the fan (35).
6. A printing roller cooling device according to claim 1, characterized in that: one end of the rotating sleeve (52) far away from the roller body (51) penetrates through the fixed bearing (22) and is welded with the inner wall of the fixed bearing (22).
7. A printing roller cooling device according to claim 1, characterized in that: one end, far away from the cooling sleeve (31), of the second water through pipe (45) penetrates through the cover body (21), the fixed bearing (22) close to one side of the water cooling machine (41), the rotating sleeve (52) close to one side of the water cooling machine (41) and the sealing bearing (56) in sequence, and the second water through pipe (45) is communicated with the water cavity (54).
8. A printing roller cooling device according to claim 1, characterized in that: one end of the first water through pipe (43) far away from the cooling sleeve (31) penetrates through the cover body (21), the fixed bearing (22) close to one side of the cooling sleeve (31), the rotating sleeve (52) close to one side of the cooling sleeve (31) and the sealing bearing (56) in sequence, and the first water through pipe (43) is communicated with the water cavity (54).
9. A printing roller cooling device according to claim 1, characterized in that: the number of the air blowing pipes (37) is not less than five, and the aperture of each air blowing pipe (37) is one to three centimeters.
10. A printing roller cooling device according to claim 1, characterized in that: the surface of the first water through pipe (43) and the surface of the second water through pipe (45) are both sleeved with heat insulation sleeves (6), and the thickness of each heat insulation sleeve (6) is five to fifteen millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475393.3A CN112537121A (en) | 2020-12-14 | 2020-12-14 | Printing roller cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475393.3A CN112537121A (en) | 2020-12-14 | 2020-12-14 | Printing roller cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112537121A true CN112537121A (en) | 2021-03-23 |
Family
ID=75020150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011475393.3A Withdrawn CN112537121A (en) | 2020-12-14 | 2020-12-14 | Printing roller cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112537121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580745A (en) * | 2021-07-05 | 2021-11-02 | 吴云卓 | Curved surface heat transfer machine |
| CN114683678A (en) * | 2022-03-29 | 2022-07-01 | 江苏欧普特条码标签有限公司 | Printing roller cooling device for printing equipment |
-
2020
- 2020-12-14 CN CN202011475393.3A patent/CN112537121A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580745A (en) * | 2021-07-05 | 2021-11-02 | 吴云卓 | Curved surface heat transfer machine |
| CN114683678A (en) * | 2022-03-29 | 2022-07-01 | 江苏欧普特条码标签有限公司 | Printing roller cooling device for printing equipment |
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Application publication date: 20210323 |