WO2010106338A1 - Systeme de refroidissement pour appareil de durcissement d'encre - Google Patents

Systeme de refroidissement pour appareil de durcissement d'encre Download PDF

Info

Publication number
WO2010106338A1
WO2010106338A1 PCT/GB2010/000509 GB2010000509W WO2010106338A1 WO 2010106338 A1 WO2010106338 A1 WO 2010106338A1 GB 2010000509 W GB2010000509 W GB 2010000509W WO 2010106338 A1 WO2010106338 A1 WO 2010106338A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink curing
housing
curing apparatus
chamber
water
Prior art date
Application number
PCT/GB2010/000509
Other languages
English (en)
Inventor
Malcolm Rae
James Hicks
Original Assignee
Gew (Ec) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gew (Ec) Limited filed Critical Gew (Ec) Limited
Publication of WO2010106338A1 publication Critical patent/WO2010106338A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0406—Drying webs by radiation
    • B41F23/0409—Ultraviolet dryers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun

Definitions

  • This invention relates to a cooling system for ink curing apparatus.
  • Ink curing apparatus comprising a housing containing a lamp partially surrounded by reflectors to direct UV light onto a substrate to cure ink are well known.
  • the lamps used in ink curing produce UV radiation and infra-red radiation.
  • Such apparatus requires highly efficient cooling systems due to the intense heat that is emitted from the lamp. Without sufficient cooling the life of the ink curing lamps is significantly reduced and the running parameters of the apparatus are more difficult to control.
  • the present invention seeks to provide an improved cooling system that is fully self-contained within a single housing and which eliminates the need for an air exhaust from the system.
  • an ink curing apparatus having a fully self-contained cooling system, the apparatus comprising a housing with two interconnected chambers, the first chamber housing a UV light source and the second chamber housing a water-cooled heat exchanging means, wherein a fan is provided at at least one end of the housing to circulate air over water-cooled surfaces between the UV light source and the heat exchanging means.
  • the air can be cooled and reused within the system without the need to exhaust any air from the apparatus.
  • the heat exchanging means comprises one or more fins.
  • the heat exchanging means comprises a series of fins extending radially from the centre of the second chamber.
  • each fin is serrated.
  • a series of serrated fins provides the maximum possible surface area in contact with the heated air, which is circulating between the lamp and the heat exchanging means, and so provides maximum efficiency of heat exchange.
  • the first and second chambers are connected by at least one duct.
  • the fan is provided at one end of the housing.
  • a fan is provided at both ends of the housing.
  • the cooled surfaces include surfaces of at least one reflector which at least partially surrounds the lamp.
  • the water-cooled surfaces are cooled by water channelled through one or more pipes extending along the length of the housing.
  • the or each pipe includes inner and outer discrete channels.
  • the outer wall of the second chamber comprises at least one cavity.
  • the outer wall of the second chamber is cool enough for a user to touch without risk of injury.
  • the apparatus comprises a single housing 10 with an upper chamber 14 and a lower chamber 12.
  • the lower chamber 12 houses at its lower end a UV lamp 16, which is partially surrounded by reflectors 18, 20.
  • a substrate 22 which carries ink for curing/drying is transported through the apparatus directly beneath the lamp 16.
  • UV light is directed onto the substrate 22 for a period of time sufficient to dry/cure the ink on the substrate 22.
  • the ancillary parts of the apparatus within the lower chamber 12, including the surfaces of each reflector 18, 20 are water-cooled.
  • Cold water enters the lower chamber 12 through a first end plate and is directed along an inlet pipe 24, which runs parallel to the longitudinal axis of the lamp 16.
  • the cold water is directed past each reflector 18, 20 to the second end plate of the lower chamber 12.
  • the water, heated by the surface of each reflector 18, 20 is directed through the second end plate and returned along an outlet pipe 26 to an output in the first end plate.
  • the water-cooling of the lower chamber 12 can be achieved by means of a "parallel system".
  • the water pipes include inner and outer channels.
  • cold water is directed into the apparatus through the inner channels of the pipes before being reversed such that the water, once hot, is directed out of the apparatus via the outer channels of the pipes.
  • the upper chamber 14 houses a heat exchanger system, which is connected to the lower chamber 12 housing the lamp 16 by a series of ducts 28.
  • the upper chamber 14 has a double thickness wall around its periphery with a cavity between the inner and outer walls, such that only the inner wall is heated by the air passing through the chamber 14.
  • the heat exchanger system comprises a fan (not shown) at one or both ends of the chamber 14. If a single fan is used and housed at one end of the housing 10, then air will be directed to the opposite end of the housing 10. If a fan is used at each end of the housing 10, air will be directed from each end of the housing 10 towards the centre of the housing 10.
  • a series of substantially radial fins 30 are extruded within the upper chamber 14 and run along the length of the upper chamber 14.
  • the fins 30 are serrated and extend radially outwards from at least two pipes 32, 34.
  • the two pipes comprise an inlet pipe 32 and an outlet pipe 34 which are centrally positioned and run parallel to the length of the heat exchange
  • chilled water is passed along the inlet pipe 32 at a predetermined temperature.
  • the fan at one or each end of the housing 10 directs air over the UV lamp 16 in the direction shown by the arrows and upwards to the heat exchanger chamber 14.
  • the air, which has been heated by the lamp 16 passes along the length of the heat exchanger chamber 14 and as the fan directs the air along the length of the chamber 14 the air is also pulled towards the water-cooled centre of the heat exchanger along the radial fins 30.
  • the temperature decreases progressively.
  • the cooled air is then directed back into the lower chamber 12 through the open sections/ducts 28 in the upper chamber 14.
  • the cooled air passes back along the length of the lower chamber 12 and is re-used to cool the lamp 16 and the reflectors 18, 20.
  • the upper chamber 14 is shown in this embodiment to be fitted directly above the lamp housing lower chamber 12.
  • the heat exchanger could be fitted to any of the walls of the lamp housing and could be remote from the lamp housing provided that the heat exchanger and housing are connected by a duct arrangement.
  • the lamp 16 emits heat at around 750 0 C.
  • the UV heat is directed onto the substrate 22.
  • a portion of the infra-red heat is absorbed into the surfaces of the reflectors 18, 20.
  • the remaining infrared is drawn upwardly through the housing 10 via the fan.
  • the path of the infra-red is shown by arrows in the Figure.
  • the air is drawn over the top surfaces of the reflectors 18, 20, which are kept cool via the water pipes 24, 26.
  • the apparatus is designed to direct the hot air from the lamp 16 over as many cooled surfaces of the ancillary components as possible.
  • Hot air is known to travel from hot surfaces to cooled surfaces.
  • the hot air is drawn over the maximum possible surface area of the cooled radial fins 30. Tests have shown that by the time air emitted from the lamp 16 has travelled over the cooled surfaces of the lower chamber 12 and the heat exchanger chamber 14 it has reduced significantly in temperature.
  • the present cooling system is an entirely closed arrangement whereby the air circulating around the apparatus is continuously re-used. Heat is exhausted from the system via the water outputted from the system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Coating Apparatus (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un appareil de durcissement d'encre équipé d'un système de refroidissement complétement intégré. L'appareil comprend un boîtier (10) à deux chambres interconnectées; la première chambre (12) loge une source lumineuse UV (16) et la seconde chambre (14) un échangeur thermique; un ventilateur installé au moins à une extrémité du boîtier (10) fait circuler l'air au-dessus de surfaces refroidies à l'eau (18, 20) entre la source lumineuse UV (16) et l'échangeur thermique, ledit échangeur thermique étant refroidi à l'eau.
PCT/GB2010/000509 2009-03-19 2010-03-18 Systeme de refroidissement pour appareil de durcissement d'encre WO2010106338A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0904724A GB2468703A (en) 2009-03-19 2009-03-19 Ink curing apparatus with water cooled heat exchanging means
GB0904724.2 2009-03-19

Publications (1)

Publication Number Publication Date
WO2010106338A1 true WO2010106338A1 (fr) 2010-09-23

Family

ID=40639806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/000509 WO2010106338A1 (fr) 2009-03-19 2010-03-18 Systeme de refroidissement pour appareil de durcissement d'encre

Country Status (2)

Country Link
GB (1) GB2468703A (fr)
WO (1) WO2010106338A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102806763A (zh) * 2012-08-09 2012-12-05 江苏广发光电科技有限公司 一种油墨固化装置
CN109703188A (zh) * 2017-10-25 2019-05-03 海德堡印刷机械股份公司 用于对页张进行干燥的设备
CN113237262A (zh) * 2021-05-12 2021-08-10 和能人居科技(天津)集团股份有限公司 用于固化机的降温机构、风机柜、固化机及固化生产线

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2495901B (en) * 2011-08-08 2014-03-12 Gew Ec Ltd Improved housing for ink curing apparatus
CN102653166B (zh) * 2012-05-24 2015-07-08 赵智民 一种凹版印刷机
CN108242412B (zh) * 2016-12-26 2020-06-23 台湾积体电路制造股份有限公司 半导体元件固化装置、基材处理系统以及半导体元件固化方法
CN110077105B (zh) * 2019-04-02 2020-10-27 浙江康豪诺特装饰材料有限公司 一种适用水性油墨的纯pvc墙纸印刷压花分切一体机
CN114103431B (zh) * 2021-11-25 2024-03-26 凯盛信息显示材料(池州)有限公司 一种用于玻璃盖板的油墨固化系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB624086A (en) 1945-11-15 1949-05-27 Corning Glass Works Improved manufacture of organo-silicon compounds
DE19916474A1 (de) * 1999-04-13 2000-10-26 Ist Metz Gmbh Bestrahlungsgerät
GB2444328A (en) * 2006-12-01 2008-06-04 Gew Ink curing apparatus comprising a cooling system
EP2192366A2 (fr) * 2008-12-01 2010-06-02 Uviterno AG Dispositif de rayonnement d'un substrat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419716A (en) * 1983-01-03 1983-12-06 Stephen Koo Vapor proof housing assembly and system
US5003185A (en) * 1988-11-17 1991-03-26 Burgio Joseph T Jr System and method for photochemically curing a coating on a substrate
DE4202544A1 (de) * 1992-01-30 1993-08-05 Baldwin Gegenheimer Gmbh Druckplatten-temperierungssystem fuer eine druckmaschine
US6550905B1 (en) * 2001-11-19 2003-04-22 Dotrix N.V. Radiation curable inkjet ink relatively free of photoinitiator and method and apparatus of curing the ink

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB624086A (en) 1945-11-15 1949-05-27 Corning Glass Works Improved manufacture of organo-silicon compounds
DE19916474A1 (de) * 1999-04-13 2000-10-26 Ist Metz Gmbh Bestrahlungsgerät
GB2444328A (en) * 2006-12-01 2008-06-04 Gew Ink curing apparatus comprising a cooling system
EP2192366A2 (fr) * 2008-12-01 2010-06-02 Uviterno AG Dispositif de rayonnement d'un substrat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102806763A (zh) * 2012-08-09 2012-12-05 江苏广发光电科技有限公司 一种油墨固化装置
CN109703188A (zh) * 2017-10-25 2019-05-03 海德堡印刷机械股份公司 用于对页张进行干燥的设备
CN113237262A (zh) * 2021-05-12 2021-08-10 和能人居科技(天津)集团股份有限公司 用于固化机的降温机构、风机柜、固化机及固化生产线
CN113237262B (zh) * 2021-05-12 2022-09-30 和能人居科技(天津)集团股份有限公司 用于固化机的降温机构、风机柜、固化机及固化生产线

Also Published As

Publication number Publication date
GB0904724D0 (en) 2009-05-06
GB2468703A (en) 2010-09-22

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