EP1976704A2 - Imprimante dotée d'une tête d'exposition - Google Patents

Imprimante dotée d'une tête d'exposition

Info

Publication number
EP1976704A2
EP1976704A2 EP07722749A EP07722749A EP1976704A2 EP 1976704 A2 EP1976704 A2 EP 1976704A2 EP 07722749 A EP07722749 A EP 07722749A EP 07722749 A EP07722749 A EP 07722749A EP 1976704 A2 EP1976704 A2 EP 1976704A2
Authority
EP
European Patent Office
Prior art keywords
reflectors
exposure head
lamp
printer
printer according
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP07722749A
Other languages
German (de)
English (en)
Other versions
EP1976704B1 (fr
Inventor
Albrecht Schierholz
Dieter Stellmach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to EP09007261A priority Critical patent/EP2093067B1/fr
Publication of EP1976704A2 publication Critical patent/EP1976704A2/fr
Application granted granted Critical
Publication of EP1976704B1 publication Critical patent/EP1976704B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2007—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00218—Constructional details of the irradiation means, e.g. radiation source attached to reciprocating print head assembly or shutter means provided on the radiation source
    • 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

  • the invention relates to a printer according to the preamble of claim 1, in particular a serial printer, with an exposure head for the exposure of printed images with light-curing ink.
  • Serial printers or line printers are printers that print characters one after the other within a single line. They are inexpensive to manufacture, reliable in operation and small in size, so that they are suitable as Auftischonul. Printers of this type are widely used as type printers, dot matrix printers or as ink printers. If light-curing ink is used in an ink printer, then an exposure head guided on a carriage is required in addition to the print head, which exposes and cures the printed image after printing with high radiation intensity.
  • the printer of claim 1 comprises an exposure head for exposing printed images having an exposure head housing in which a lamp at least partially surrounded by reflectors is disposed which emits radiation upon operation of radiation which is directed through the reflectors to a printable imageable plane with light-curing ink.
  • a lamp at least partially surrounded by reflectors is disposed which emits radiation upon operation of radiation which is directed through the reflectors to a printable imageable plane with light-curing ink.
  • the reflection surfaces of the cross reflectors are inclined relative to the main beam direction of the lamp, that the focused beam area is reinforced at the edge in the print line direction by the reflected image of the lamp in the focal plane.
  • the cross reflectors viewed from the lamp in the direction of the print image plane, run apart like a funnel.
  • planar reflectors are arranged on the opposite side of the lamp to the printing image plane and are designed as reflector elements.
  • the radiation emitted by the lamp in the direction opposite to the printing image plane is directed onto the printing image plane.
  • the heating of the exposure head housing is reduced by the radiation of the lamp.
  • Another object of the invention is a printer according to claim 12, comprising an exposure head for exposure of printed images and an exposure head housing in which a lamp is at least partially surrounded by reflectors is arranged, which emits radiation in operation, which can be printed by the reflectors on a light-curing ink Print image level is passed.
  • the invention provides that a fan unit is connected via at least one air duct with the exposure head, wherein the air duct opens into a cooling air space between the reflectors and the side walls of the exposure head housing.
  • the luminous element of the lamp is located in an interior space insulated from the reflectors.
  • an optimal operating state of the lamp is achieved, which has a positive effect on the life.
  • intensive cooling of the lighting head is achieved in the smallest space.
  • the lamp is mounted in the exposure head housing via at least one lamp socket, the lamp socket protruding into the air duct. This effectively cools the lampholder in the airflow and effectively reduces heat dissipation to the exposure head housing.
  • This air duct is especially at
  • a particularly advantageous embodiment of the invention provides that in the printer housing a blow-out opening for discharging heated exhaust air is provided, which is preferably arranged corresponding to the outlet opening of the air channel of the exposure head housing. This ensures that the loss heat produced in the exposure head housing by its lamp in its operation can be transported via a cooling medium such as air, for example, into the environment.
  • FIG. 1 shows an exemplary embodiment of the exposure head in a perspective view
  • 3A is a projected cross section of the exposure head of FIG.
  • 4A shows the ellipse carrier in 2 views.
  • the invention relates to a printer, preferably a serial printer with a printer housing, in which an exposure head is mounted.
  • the exposure head is the essential component of the invention. Therefore, the figures show only the exposure head and not the printer.
  • the exposure head comprises an exposure head housing with angle pieces (1, 2).
  • On the angle pieces (1, 2) a printed circuit board (3) with plug (4) and designed as a fan unit fan (10) with filter (5) are placed.
  • Side of the two angle pieces (1, 2) identical exhaust air ducts (6, 7) are mounted, the removable segments (8, 9) have.
  • output openings through which heated in the exposure head exhaust air (44) can be selectively blown on one side from the exposure head housing. At least one of these outlet openings is in fluid communication with a correspondingly provided in the printer housing exhaust opening to convey the heated exhaust air from the printer, eg. In the environment.
  • the printer housing are mounted as a guide means for the exposure head and a printer head with light-curing ink slide or rails over which the exposure head and the printer head during the printing process of the printer, controlled by a drive, is moved traversing between two lateral end positions.
  • the printer housing has only one exhaust opening.
  • the discharge opening of the printer housing and the outlet opening of the exhaust air duct (6, 7) are arranged relative to one another such that the openings are in flow connection in an end position of the exposure head. In this position, the exposure head is briefly stopped during printing and the heated exhaust air is blown out of the printer housing.
  • the exposure head additionally contains elliptical reflectors (11, 12) and cross reflectors (13, 14).
  • the light exit opening is covered by a glass pane (15), which is secured by the spring elements (16, 17) lying in the beam shadow.
  • a lamp (18) of the exposure head is not shown in this view.
  • the exposure head housing is essentially formed by the two identical angle pieces (1, 2), which are firmly connected to one another.
  • two elliptical carriers (20, 21) are inserted at a distance (19), each containing two elliptical recesses (22, 23).
  • the elliptical reflectors (11, 12) of the Inserted light exit side ago. Since the recesses (22, 23) are only slightly wider than the thickness of the elliptical reflectors (11, 12), these have after mounting the exact calculated geometric shape on its reflector surface.
  • the printed circuit board (3) with the plug (4) for the electrical supply of the exposure head is provided, which is covered by the fan (10) with the upstream air filter (5).
  • the light exit opening of the exposure head is against the glass pane (15)
  • the glass pane (15) is equipped with spring elements
  • the cooling air flow in the exposure head is three-dimensional and is shown for one side by the dashed line (44). On the other hand, the cooling air duct is mirror-inverted.
  • the lamp (18) emits light uniformly on all sides on its cylindrical jacket. It is arranged in a first focal point (34) of the elliptical reflectors (11, 12). In a second focal point (35) is a printing image plane (40) of the printer. Above the lamp (18), the cross reflectors (13, 14) have a region (36, 37) formed as reflector elements. This is inclined to the main beam axis (38) such that the reflected radiation (49) is largely radiated past the luminous element (39) of the lamp (18) so as not to unnecessarily heat it and to the reflected radiation (49) in addition to the exposure the print image plane (40) to use.
  • the light radiated radially by the luminous element (39) of the lamp (18) is focused by the elliptical reflectors (11, 12) in a region (45) of the printing image plane (40) and thus by a direct comparison with the direct radiation of the lamp (18) Multiple amplified.
  • this region (45) with a higher irradiation density in the direction of the longitudinal axis of the lamp (18) is only as long as the luminous element (39) of the lamp (18).
  • the longest possible exposure zone with a corresponding exposure intensity in the printing image plane (40) in the printing direction is advantageous.
  • the cross-reflectors (13, 14) are inclined obliquely to the main beam direction (38) of the lamp (18) to the extent that the reflected images (46) of the filament (39) through the cross-reflectors (13, 14 ) are respectively imaged on the printing image plane (40) following the area (45) produced by the elliptical reflectors (11, 12) with high light intensity.
  • the image plane is only 1 to 2 mm away from the illumination head.
  • the exposure head and the blower unit are connected to each other via an air duct, which is guided along the dashed line designated 44.
  • the air duct is guided past the luminous element (39) of the lamp (18), with the lamp socket (26, 27) protruding into the air duct.
  • This opens into a cooling air space (48) between the reflectors (11,12,13,14) and the side walls of the exposure head housing and is thereby in communication with the exhaust air duct (7, 8).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Microbiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Ink Jet (AREA)
  • Facsimile Heads (AREA)

Abstract

L'invention concerne une imprimante, notamment une imprimante sérielle, comportant une tête d'exposition pour éclairer des images d'impression et un boîtier de tête d'exposition, dans lequel est montée une lampe (18) entourée au moins partiellement de réflecteurs (11, 12, 13, 14, 36, 37). En fonctionnement, cette lampe émet un rayonnement dirigé par les réflecteurs (11, 12, 13, 14, 36, 37) sur un plan d'image (40) à imprimer au moyen d'encre durcissant à la lumière. L'invention vise à utiliser une imprimante de ce type, dotée d'une tête d'exposition pour durcir de l'encre durcissant à la lumière et présentant les dimensions d'un appareil à poser sur une table dans un bureau. A cet effet, dans le boîtier de tête d'exposition sont montés à la fois des réflecteurs elliptiques (11, 12) et des réflecteurs plats (13, 14, 36, 37). En outre, une unité soufflante est reliée à la tête d'exposition par au moins un conduit d'air qui débouche dans un espace d'air de refroidissement (48) entre les réflecteurs (11, 12, 13, 14) et les parois latérales du boîtier de tête d'exposition.
EP07722749A 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'exposition Not-in-force EP1976704B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09007261A EP2093067B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'éclairage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006003057A DE102006003057A1 (de) 2006-01-20 2006-01-20 Drucker mit einem Belichtungskopf
PCT/EP2007/000113 WO2007087958A2 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'exposition

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP09007261A Division EP2093067B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'éclairage
EP09007261A Division-Into EP2093067B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'éclairage

Publications (2)

Publication Number Publication Date
EP1976704A2 true EP1976704A2 (fr) 2008-10-08
EP1976704B1 EP1976704B1 (fr) 2012-10-24

Family

ID=38137727

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09007261A Not-in-force EP2093067B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'éclairage
EP07722749A Not-in-force EP1976704B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'exposition

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09007261A Not-in-force EP2093067B1 (fr) 2006-01-20 2007-01-09 Imprimante dotée d'une tête d'éclairage

Country Status (7)

Country Link
US (1) US8016407B2 (fr)
EP (2) EP2093067B1 (fr)
JP (1) JP5162472B2 (fr)
CN (1) CN101370668B (fr)
DE (1) DE102006003057A1 (fr)
ES (2) ES2394600T3 (fr)
WO (1) WO2007087958A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468702A (en) * 2009-03-19 2010-09-22 Gew Ink curing apparatus with integrally formed reflector and cooling means
WO2014119500A1 (fr) * 2013-01-30 2014-08-07 京セラ株式会社 Dispositif de rayonnement lumineux et dispositif d'impression
JP6111785B2 (ja) * 2013-03-28 2017-04-12 セイコーエプソン株式会社 液体吐出装置

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Also Published As

Publication number Publication date
JP2009523627A (ja) 2009-06-25
EP2093067B1 (fr) 2012-10-24
WO2007087958A3 (fr) 2007-11-15
JP5162472B2 (ja) 2013-03-13
EP2093067A2 (fr) 2009-08-26
DE102006003057A1 (de) 2007-07-26
CN101370668B (zh) 2012-11-07
US8016407B2 (en) 2011-09-13
EP2093067A3 (fr) 2010-10-27
EP1976704B1 (fr) 2012-10-24
ES2394600T3 (es) 2013-02-04
CN101370668A (zh) 2009-02-18
US20100220171A1 (en) 2010-09-02
WO2007087958A2 (fr) 2007-08-09
ES2395562T3 (es) 2013-02-13

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