CN204894762U - Printing machine drying device - Google Patents
Printing machine drying device Download PDFInfo
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- CN204894762U CN204894762U CN201520551075.9U CN201520551075U CN204894762U CN 204894762 U CN204894762 U CN 204894762U CN 201520551075 U CN201520551075 U CN 201520551075U CN 204894762 U CN204894762 U CN 204894762U
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Abstract
The utility model discloses a printing machine drying device, including heating drying device and cooling device, heating drying device includes heater, air supply mechanism and exhaust mechanism, cooling device includes refrigerator and chill roll. Heating drying device takes away the volatile solvent in printed matter surface through the high temperature hot gas flow with the fastest speed, makes high speed printing's printed matter can be dry in the shortest time, and cooling device adopts contact to cool off the printed matter, accomplishes the cooling forward in the transportation at the printed matter. The utility model provides a printing machine drying device can be quick to carrying out the drying after the printed matter printing in real time, do not influence the normal work of printing machine, do not occupy extra operating time to the cooling process temperature reduces gradually, avoids the temperature rapid drawdown to cause the rapid shrinkage cracking of printed matter. Cold junction and the hot junction of adopting same semiconductor cooler had both been saved the space and had also been saved the energy as heater and refrigerator.
Description
Technical field
The utility model belongs to printing machinery technical field, particularly a kind of drying device of printing machine.
Background technology
At print field, printing machine is common production equipment.In prior art, printed matter is by shuttling back and forth between the transfer roller of each printing zone in printing machine, for ensureing that the font that each printing zone prints off or decorative pattern can not produce mutual interference, carry out transition in the transitional region between each printing zone, while obtain natural air drying.In addition because printed matter adopts heat fixed type ink printing, high speed multi-color printing equipment must be furnished with drying system, to solve the dry problem of printed matter curing ink.Conventional heated-air drying mode is taken away the solvent of printed matter surface volatilization, makes the printed matter of high speed printing be able to drying within the shortest time.Because the easy contraction distortion of printed matter after heating, papery become fragile thus affect post-press finishing process, therefore need to arrange cooling system after drying system.Cooling system can control the surface temperature of printed matter, ensures the gloss of printed matter, dimensional stability and aft-loaded airfoil characteristic.In prior art, cylinder material is when drying, and there is the defect that dim design, printing ink transfer are uneven, have impact on printing quality and printing effect.
Utility model content
The utility model has designed and developed a kind of drying device of printing machine, solves the defect of drying effect difference in prior art, ensure that printed matter drying effect and dimensional stability after drying.
The technical scheme that the utility model provides is:
A kind of drying device of printing machine, comprising:
Heat drying apparatus, it is arranged at printing machine embossing roller and printing cylinder rear, by heating mode by printed matter surface ink setting;
Cooling device, it is arranged at described heat drying apparatus rear, is cooled to normal temperature by by the printed matter heated;
Described heat drying apparatus comprises:
Heater, it is for by air heat;
Wind pushing mechanism, it is provided with air inlet and air outlet, and air is sent to described heater from described air inlet and heats by described wind pushing mechanism, then the air after heating is blown into printed matter surface and makes ink setting;
Exhaust gear, the hot-air in described heat drying apparatus is discharged by it; Described cooling device comprises:
Refrigerator, it is for cooling cooling medium;
Chill roll, printed matter and described chill roll surface contact, hollow cylindrical is arranged to by described chill roll, to make to form cooling medium circulation passage in chill roll, cooling medium enters cooling medium circulation passage from one end of chill roll after refrigerator cooling, and flow out from the chill roll other end, reduce to make chill roll surface temperature;
Wherein, described heater and refrigerator adopt semiconductor cooler, and the hot junction of described semiconductor cooler is as heater, and cold junction is as refrigerator.
Preferably, described exhaust gear is connected with described heater, reenters heater heating to make the air of discharging from described exhaust gear.
Preferably, described cooling medium is air or water.
Preferably, described chill roll is at least provided with 2.
Preferably, described chill roll is provided with 4, and in arranged in squares.
Preferably, described cooling device also comprises chill roll cleaning device, and it is for clearing up the ink on described chill roll.
Preferably, described cooling device also comprises pressure roller, and printed matter is pressed to described chill roll surface by described pressure roller, to ensure cooling effect.
Whether preferably, described drying unit also comprises disconnected paper detecting apparatus, detect printed matter and rupture.
Preferably, described wind pushing mechanism air outlet place is provided with temperature sensor, to detect the temperature flowing out air from described air outlet.
The beneficial effects of the utility model are: the drying device of printing machine that the utility model provides takes away the solvent of printed matter surface volatilization with the fastest speed by high-temperature hot air-flow, the printed matter of high speed printing is made to be able to drying within the shortest time, do not affect the normal work of printing machine, have remarkable help to the operating efficiency improving printing machine.Cooling device adopts the way of contact to cool printed matter, complete cooling, the working time not outside occupying volume, and cooling procedure temperature reduces gradually, avoid temperature decrease to cause printed matter sharply shrinkage cracking in printed matter forwards transportation process.Heater of the present utility model and refrigerator adopt same semiconductor cooler, and using the hot junction of semiconductor cooler as heater, cold junction, as refrigerator, namely saves space and also saves the energy.
Accompanying drawing explanation
Fig. 1 is drying device of printing machine structural representation described in the utility model.
Fig. 2 is heat drying apparatus structural representation described in the utility model.
Fig. 3 is air outlet structure schematic diagram described in the utility model.
Fig. 4 is cooling device structural representation described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
As shown in Figure 1, the utility model provides a kind of drying device of printing machine, comprises heat drying apparatus 100 and cooling device 200 two parts.Heat drying apparatus 100 is installed on printing machine embossing roller 310 and printing cylinder 320 rear, described heat drying apparatus 100 carries out drying by the ink of mode to printed matter 300 surface blowing hot blast to printed matter 300 surface after printing, high temperature hot gas is flowed fast and takes away the solvent volatilized on printed matter 300 surface, make the printed matter 300 of high speed printing be able to drying within the shortest time.Cooling device 200 is arranged on heat drying apparatus 100 rear, and the printed matter 300 heated by heat drying apparatus 100 is cooled to normal temperature, avoids printed matter 300 to occur because heating the defects such as the contraction distortion, the paper that cause become fragile.Cooling device 200, by controlling printed matter 300 surface temperature, ensures gloss and the dimensional stability of printed matter 300.
As shown in Figure 2, described heat drying apparatus 100 comprises heater 110, wind pushing mechanism 120 and exhaust gear 130.Air is drawn into heater 110 from air inlet 121 and heats by wind pushing mechanism 120, then the air after heating is blown to printed matter surface by air outlet 122, makes the ink on printed matter 300 surface dry rapidly.Hot-air in heat drying apparatus 100 is discharged by exhaust gear 130, blows over printed matter surface continually to make new hot-air.Preferred as one, described exhaust gear 130 adopts turbo-blower.
As shown in Figure 3, the air outlet 122 of described wind pushing mechanism 120 is arranged to orifice plate, pore 123 is along printed matter lateral arrangement, described pore 123 is provided with 5 rows, and 1mm is arranged in the aperture of the pore 123 of first row and the 5th row, and 1.5mm is arranged in the aperture of second row and the 4th steam vent 123,2.5mm is arranged in the aperture of the 3rd steam vent 123, this layout makes pore 123 aperture of both sides smaller, and the aperture of middle pore 123 is bigger, avoids aperture and is easily blocked by dust and cause blowing not enough.After a part of aperture is expanded, macropore blowing will be larger than small hole hair drier, and can not be blocked, timely aperture has blocked, and the wind of macropore is also enough large, when total air mass flow is certain, the wind that aperture is plugged macropore can become large, can ensure same airflow effects.
In another embodiment, air outlet 122 place of described wind pushing mechanism 120 is provided with temperature sensor 124, described temperature sensor 124 is used for detecting the temperature of hot-air blown out from air outlet 122, prevent from, because the most printed matter of too high temperature of air causes damage, also avoiding Yin Wendu too low and not having good drying effect.When temperature sensor 124 detects temperature anomaly, by the temperature regulating the power of heater 110 to control air, air themperature is in normal range (NR).
In another embodiment, described exhaust gear 130 is connected with described heater 110, reenters heater 110 and heats, avoid the waste of energy to make the air of discharging from described exhaust gear 130.
As shown in Figure 4, described cooling device 200 comprises refrigerator 210 and chill roll 220.Described chill roll 220 is arranged on the landline of printed matter 300, makes printed matter 300 and described chill roll 220 surface contact.Hollow cylindrical is arranged to by described chill roll 220, cooling medium circulation passage is formed in chill roll 220, first cooling medium flows through refrigerator 210, enter cooling medium circulation passage from one end of chill roll 220 after cooling, and flow out from the other end of chill roll 220, to make chill roll 220 surface temperature reduce, with the contact heat-exchanging of printed matter 300, printed matter 300 is lowered the temperature by chill roll 220 surface.Preferred as one, described cooling medium adopts water or air.
In another embodiment, described chill roll 220 is at least provided with 2.Preferred as one, described chill roll 220 is provided with 4, and in arranged in squares.This four cavity be connected in series together by cooling line 250, and first the cooling medium flowed out from described cooler 210 enters in last chill roll 220, flow through the 3rd, second, first chill roll 220 again, this set can the temperature of the first to the four chill roll 220 reduce gradually, make printed matter 300 in cooling procedure, temperature is also reduce gradually, avoids temperature decrease to cause printed matter 300 sharply shrinkage cracking, thus affects the quality of printed matter 300.
In another embodiment, described cooling device 200 also comprises chill roll cleaning device 230, and described chill roll cleaning device 230 contacts with chill roll 220, for clearing up the ink on described chill roll.
In another embodiment, described cooling device 200 also comprises pressure roller 240, and printed matter is pressed to described chill roll 220 surface by described pressure roller 240, and printed matter 300 and chill roll are fitted tightly, to ensure cooling effect.
Described heater 110 and refrigerator 210 adopt same semiconductor cooler.Semiconductor cooler makes a kind of device utilizing Peltier effect, when the thermocouple centering that one block of N-type semiconductor material and one block of P-type semiconductor material are coupled to has electric current to pass through, transfer of heat will be produced between two ends, heat will transfer to the other end from one end, thus the generation temperature difference forms cold and hot end.The hot junction of described semiconductor cooler is as heater 110, and cold junction is as refrigerator 210.Semiconductor cooler is without any need for cold-producing medium, only need be energized just can continuous operation, pollution sources are not had not have rotary part, can not gyroscopic action be produced, not have slide unit to be a kind of solid sheet, do not shake during work, noise, can freeze, can heat again, structure is simple, greatly can save space.
Whether in another embodiment, described drying unit also comprises disconnected paper detecting apparatus 260, detect printed matter and rupture.Preferred as one, described disconnected paper detecting apparatus adopts photo-electric proximity switch, it utilizes photoelectric effect principle, luminescent device and photoelectric device are contained in same detection head in certain direction, when photo-electric proximity switch is near printed matter, photoelectric device has signal and exports after receiving reverberation, perception printed matter does not rupture thus.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a drying device of printing machine, is characterized in that, comprising:
Heat drying apparatus, it is arranged at printing machine embossing roller and printing cylinder rear, by heating mode by printed matter surface ink setting;
Cooling device, it is arranged at described heat drying apparatus rear, is cooled to normal temperature by by the printed matter heated;
Described heat drying apparatus comprises:
Heater, it is for by air heat;
Wind pushing mechanism, it is provided with air inlet and air outlet, and air is sent to described heater from described air inlet and heats by described wind pushing mechanism, then the air after heating is blown into printed matter surface and makes ink setting;
Exhaust gear, the hot-air in described heat drying apparatus is discharged by it;
Described cooling device comprises:
Refrigerator, it is for cooling cooling medium;
Chill roll, printed matter and described chill roll surface contact, hollow cylindrical is arranged to by described chill roll, to make to form cooling medium circulation passage in chill roll, cooling medium enters cooling medium circulation passage from one end of chill roll after refrigerator cooling, and flow out from the chill roll other end, reduce to make chill roll surface temperature;
Wherein, described heater and refrigerator adopt semiconductor cooler, and the hot junction of described semiconductor cooler is as heater, and cold junction is as refrigerator.
2. drying device of printing machine according to claim 1, is characterized in that, described exhaust gear is connected with described heater, reenters heater heating to make the air of discharging from described exhaust gear.
3. drying device of printing machine according to claim 1 and 2, is characterized in that, described cooling medium is air or water.
4. drying device of printing machine according to claim 3, is characterized in that, described chill roll is at least provided with 2.
5. drying device of printing machine according to claim 4, is characterized in that, described chill roll is provided with 4, and in arranged in squares.
6. drying device of printing machine according to claim 5, is characterized in that, described cooling device also comprises chill roll cleaning device, and it is for clearing up the ink on described chill roll.
7. the drying device of printing machine according to claim 5 or 6, is characterized in that, described cooling device also comprises pressure roller, and printed matter is pressed to described chill roll surface by described pressure roller, to ensure cooling effect.
8. whether drying device of printing machine according to claim 7, is characterized in that, described drying unit also comprises disconnected paper detecting apparatus, detect printed matter and rupture.
9. drying device of printing machine according to claim 8, is characterized in that, described wind pushing mechanism air outlet place is provided with temperature sensor, to detect the temperature flowing out air from described air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551075.9U CN204894762U (en) | 2015-07-27 | 2015-07-27 | Printing machine drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551075.9U CN204894762U (en) | 2015-07-27 | 2015-07-27 | Printing machine drying device |
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| CN204894762U true CN204894762U (en) | 2015-12-23 |
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| CN201520551075.9U Active CN204894762U (en) | 2015-07-27 | 2015-07-27 | Printing machine drying device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696453A (en) * | 2016-11-30 | 2017-05-24 | 重庆鼎盛印务股份有限公司 | Printing drying device |
| CN108237771A (en) * | 2016-12-23 | 2018-07-03 | 天津汇创装饰材料有限公司 | A kind of wood grain film printing drying unit |
| CN108583005A (en) * | 2018-04-27 | 2018-09-28 | 句容市合力印刷有限公司 | A kind of printing machine ink feed temperature control set for adjusting |
| CN108656726A (en) * | 2018-05-16 | 2018-10-16 | 重庆海派环保包装有限公司 | A kind of printing machine with drying unit |
| CN108773177A (en) * | 2018-07-09 | 2018-11-09 | 芜湖市华美工艺包装有限公司 | A kind of printing machine drying device |
| CN109318583A (en) * | 2018-09-28 | 2019-02-12 | 广州榕创新能源科技有限公司 | One kind is based on dedicated flame-retardant drying oven for printing machine of imparting knowledge to students |
| CN110293773A (en) * | 2018-03-21 | 2019-10-01 | 海德堡印刷机械股份公司 | Web printing machine |
| CN114801455A (en) * | 2022-04-28 | 2022-07-29 | 赵怡然 | Intelligent printing equipment and method thereof |
-
2015
- 2015-07-27 CN CN201520551075.9U patent/CN204894762U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696453A (en) * | 2016-11-30 | 2017-05-24 | 重庆鼎盛印务股份有限公司 | Printing drying device |
| CN106696453B (en) * | 2016-11-30 | 2019-03-15 | 重庆鼎盛印务股份有限公司 | Print drying unit |
| CN108237771A (en) * | 2016-12-23 | 2018-07-03 | 天津汇创装饰材料有限公司 | A kind of wood grain film printing drying unit |
| CN110293773A (en) * | 2018-03-21 | 2019-10-01 | 海德堡印刷机械股份公司 | Web printing machine |
| CN110293773B (en) * | 2018-03-21 | 2021-04-09 | 海德堡印刷机械股份公司 | Web printing machine |
| CN108583005A (en) * | 2018-04-27 | 2018-09-28 | 句容市合力印刷有限公司 | A kind of printing machine ink feed temperature control set for adjusting |
| CN108656726A (en) * | 2018-05-16 | 2018-10-16 | 重庆海派环保包装有限公司 | A kind of printing machine with drying unit |
| CN108773177A (en) * | 2018-07-09 | 2018-11-09 | 芜湖市华美工艺包装有限公司 | A kind of printing machine drying device |
| CN109318583A (en) * | 2018-09-28 | 2019-02-12 | 广州榕创新能源科技有限公司 | One kind is based on dedicated flame-retardant drying oven for printing machine of imparting knowledge to students |
| CN114801455A (en) * | 2022-04-28 | 2022-07-29 | 赵怡然 | Intelligent printing equipment and method thereof |
| CN114801455B (en) * | 2022-04-28 | 2024-03-29 | 山东今海印包装有限公司 | Intelligent printing equipment and method thereof |
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