WO2019224902A1 - Dispositif d'impression - Google Patents

Dispositif d'impression Download PDF

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Publication number
WO2019224902A1
WO2019224902A1 PCT/JP2018/019618 JP2018019618W WO2019224902A1 WO 2019224902 A1 WO2019224902 A1 WO 2019224902A1 JP 2018019618 W JP2018019618 W JP 2018019618W WO 2019224902 A1 WO2019224902 A1 WO 2019224902A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
paper
lower guide
printing apparatus
conveyance path
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.)
Ceased
Application number
PCT/JP2018/019618
Other languages
English (en)
Japanese (ja)
Inventor
芳史 山本
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2018/019618 priority Critical patent/WO2019224902A1/fr
Priority to JP2020520895A priority patent/JPWO2019224902A1/ja
Publication of WO2019224902A1 publication Critical patent/WO2019224902A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/17—Cleaning arrangements

Definitions

  • the present invention relates to a printing apparatus provided with a cutter for cutting printing paper.
  • a thermal transfer type printing apparatus that prints on a roll paper obtained by winding a printing paper in a roll shape, cuts it to a desired size with a cutter, and outputs it is used for printing high-quality photographs. Therefore, it is important for the user to clean and maintain the inside of the printing apparatus so that printing defects such as paper dust do not occur on the printing screen of printing paper. In particular, periodic cleaning is necessary to prevent paper dust generated when the cutter cuts the printing paper from adhering to the printing screen.
  • Patent Document 1 below proposes a printing apparatus having an internal illumination so that cleaning and maintenance inside the printing apparatus can be easily performed.
  • the conventional printing apparatus has a problem that the paper dust is collected before the cleaning operation is performed since the precaution for preventing the paper dust from being collected is generated, thereby causing a defect such as a printing defect.
  • the printing apparatus of Patent Document 1 has improved ease of maintenance due to internal lighting, no effort has been made for a user to access a location where paper dust accumulates inside the printing apparatus.
  • the present invention has been made to solve the above-described problems, and provides a printing apparatus that can prevent paper dust from accumulating and can easily perform internal cleaning and maintenance. With the goal.
  • the printing apparatus includes a printing unit that performs printing on printing paper, a cutter that cuts the printing paper after printing, and a conveyance path for conveying the printing paper after printing to the cutter. And a lower guide disposed below the transport path and having a gap.
  • the lower guide disposed on the lower side of the printing paper conveyance path has a gap, paper dust is prevented from accumulating in the conveyance path, and printing defects are reduced. Can do. Further, since there is a gap in the lower guide, for example, the user can easily access a roller or the like that conveys printing paper, and maintenance such as cleaning and parts replacement can be easily performed.
  • FIG. 6 is a perspective view of a lower guide that forms a conveyance path for printing paper. It is a perspective view of the sheet
  • FIG. 1 is a diagram showing a schematic configuration of a printing apparatus 1 according to Embodiment 1 of the present invention.
  • the printing apparatus 1 is a thermal transfer type printing apparatus.
  • FIG. 1 shows a main part of a printing mechanism in the printing apparatus 1. For example, a power supply unit, an image processing unit, a sensor unit, a driving unit, a control unit, a structure support unit, and the like of the printing apparatus 1 are not shown. Yes.
  • the printing apparatus 1 is loaded with roll-shaped printing paper 8 and an ink sheet 9.
  • yellow (Y), magenta (M), cyan (C) dyes, and an overcoat layer (OP) are arranged in this order.
  • the printing apparatus 1 includes a grip roller 7 a and a pinch roller 7 b that convey the printing paper 8, a thermal head 2 as a printing unit that performs printing (image transfer) on the printing paper 8, and a thermal head 2.
  • a heat sink 4 that radiates heat
  • a cooling fan 5 that cools the heat sink 4
  • a platen roller 6 that presses the printing paper 8 and the ink sheet 9 against the thermal head 2
  • a take-up reel 10a that winds up the ink sheet 9, and ink
  • An unwinding reel 10b for unwinding the sheet 9, a cutter 11 for cutting the printing paper 8 in the width direction, a paper discharge port 12 for discharging the printing paper 8 cut to a desired size by the cutter 11, and the printing paper 8
  • a cutting waste box 17 for collecting cutting waste generated when cutting is cut.
  • the printing apparatus 1 further includes an upper guide 13 and a lower guide 14 that form a conveyance path for conveying the photographic printing paper 8 after printing from the thermal head 2 to the paper discharge port 12, and below the lower guide 14. And an adhesive sheet 15 that is disposed.
  • the upper guide 13 is disposed on the upper side of the conveyance path of the printing paper 8, and the lower guide 14 is disposed on the lower side of the conveyance path. That is, the conveyance path of the printing paper 8 is formed between the upper guide 13 and the lower guide 14.
  • the sheet 15 is for attaching paper dust generated from the printing paper 8.
  • FIG. 2 is a perspective view of the lower guide 14.
  • the lower guide 14 is a mesh-like member formed by combining a plurality of round bars (round bar-like members) made of metal. That is, the lower guide 14 includes a plurality of round bars extending in the direction along the conveyance path of the photographic paper 8 (hereinafter referred to as “conveyance path direction”) and a plurality of circles extending in the width direction of the conveyance path of the photographic paper 8.
  • the rods are arranged so as to intersect with each other, and are formed by welding round bars extending in the conveyance path direction and round bars extending in the width direction of the conveyance path at each intersection. Therefore, a large gap is formed in the lower guide 14.
  • hook-like sheet attachment portions 14a for attaching the sheets 15 are provided at both ends of a part of the plurality of round bars extending in the width direction of the conveyance path. Further, both ends of the other part of the plurality of round bars extending in the width direction of the conveyance path protrude from the conveyance path of the printing paper 8 and fix the lower guide 14 to the frame (not shown) of the printing apparatus 1.
  • the fixed portion 14b For example, if the fixing portion 14b of the lower guide 14 is fastened to the frame of the printing apparatus 1 with screws, the rigidity of the printing apparatus 1 can be improved, and a sturdy printing apparatus 1 that is not easily broken during transportation can be provided.
  • FIG. 3 is a perspective view of the seat 15.
  • FIG. 4 is a perspective view showing a state in which the sheet 15 is attached to the lower guide 14.
  • the sheet 15 is a plate-like member, and an adhesive tape 15a for adhering paper dust is attached to the upper surface thereof.
  • notches 15 b for mounting the sheet 15 on the lower guide 14 are provided at both ends in the width direction of the conveyance path of the printing paper 8.
  • the sheet 15 can be attached to and detached from the lower guide 14, and as shown in FIG. 4, the sheet 15 is placed under the lower guide 14 by passing the fixing portion 14 b of the lower guide 14 through the notch 15 b of the sheet 15. Installed.
  • FIG. 4 shows an example in which about half of the lower guide 14 is covered with the sheet 15, but the entire lower guide 14 is formed using the sheet 15 having an area equal to or larger than that of the lower guide 14.
  • the sheet 15 may be covered.
  • a plurality of sheets 15 may be attached to the lower guide 14 so that the entire lower guide 14 is covered with the sheet 15 (FIG. 1 shows two sheets 15 below the lower guide 14). Is shown in the example).
  • Image data input to the printing apparatus 1 is converted into print data for printing by a print control unit (not shown) of the printing apparatus 1. Further, when the thermal head 2 is pressed against the platen roller 6, the thermal head 2 is pressed against the ink sheet 9 and the printing paper 8. In this state, when the thermal head 2 heats the ink sheet 9 and the printing paper 8 with a calorific value corresponding to the printing data, the dye on the ink sheet 9 is sublimated and transferred to the printing paper 8, thereby transferring to the printing paper 8. Is printed. This operation is performed on each of the yellow, magenta, and cyan dyes on the printing paper 8 and the overcoat layer, whereby an image corresponding to the image data is transferred to the printing screen of the printing paper 8.
  • the printing paper conveyance control unit (not shown) of the printing apparatus 1 controls the stepping motor that drives the grip roller 7 a and the pinch roller 7 b to convey the printing paper 8. Further, an ink sheet conveyance control unit (not shown) of the printing apparatus 1 controls a motor (not shown) that drives the ink take-up reel 10a to take up the ink sheet 9 on the ink take-up reel 10a. Note that when the ink sheet 9 is taken up by the ink take-up reel 10a, a torque limiter (not shown) is directly connected to the ink take-up reel 10b so that a constant tension is applied to the ink sheet 9.
  • the photographic paper 8 is conveyed in pulses by a predetermined pulse by a stepping motor. Then, the printing apparatus 1 drives the cutter 11, and the printing paper 8 is cut into a desired size. Most of the paper dust generated from the photographic paper 8 is generated when the cutter 11 cuts the photographic paper 8.
  • the printing apparatus 1 since the lower guide 14 forming the conveyance path of the printing paper 8 has a gap, paper dust generated from the printing paper 8 is unlikely to accumulate in the conveyance path. Moreover, since the sheet
  • the lower guide 14 has a large gap so that the user can easily access the rollers. Therefore, the user can easily perform the maintenance of the printing apparatus 1 and can maintain a stable print quality. Furthermore, since the sheet 15 can be attached to and detached from the lower guide 14, it can be easily replaced even if the adhesiveness of the sheet 15 deteriorates. As shown in FIG. 3, since the sheet 15 has a simple configuration, it can be provided to the user at a low cost.
  • the description of the configuration of the upper guide 13 is omitted, but the upper guide 13 is also preferably configured to have a large gap.
  • the upper guide 13 may be a mesh-like member formed by combining a plurality of round bars, similarly to the lower guide 14 shown in FIG. In that case, it becomes easier for the user to easily access the rollers, and the ease of maintenance of the printing apparatus 1 is improved.
  • FIG. 5 is a schematic configuration diagram of the printing apparatus 1 according to the second embodiment of the present invention.
  • the printing apparatus 1 according to the second embodiment is obtained by adding an internal fan 20 that generates wind from the thermal head 2 to the paper discharge port 12 through the conveyance path of the printing paper 8 to the configuration of FIG. is there.
  • the internal fan 20 is provided above the conveyance path of the printing paper 8 between the cutter 11 and the thermal head 2. Further, the direction of the internal fan 20 is set so that a wind flowing from the internal fan 20 toward the paper discharge port 12 and the sheet 15 is generated. As a result, wind is generated inside the printing apparatus 1 from the thermal head 2 through the transport path of the printing paper 8 to the paper discharge port 12 as indicated by the dashed arrows in FIG.
  • the upper guide 13 is configured to have a large gap so that the wind generated by the internal fan 20 strikes the printing paper 8.
  • the upper guide 13 may be a mesh-like member formed by combining a plurality of round bars, similarly to the lower guide 14 shown in FIG.
  • the on / off of the internal fan 20 may be switched automatically by the printing apparatus 1 or may be manually switched by the user.
  • the upper guide 13 and the lower guide 14 may be coated with fluorine.
  • fluorine-coding the upper guide 13 and the lower guide 14 the frictional force applied to the printing paper 8 from the upper guide 13 and the lower guide 14 can be reduced, and paper dust generated from the printing paper 8 can be reduced.
  • the printing paper 8 has glue such as sticker paper
  • glue such as sticker paper
  • the upper guide 13 and the lower guide 14 are configured to have a large gap, so that an effect that the user can easily find and clean the adhesion of glue at the time of maintenance is also obtained.
  • 1 printing device 2 thermal head, 4 heat sink, 5 cooling fan, 6 platen roller, 7a grip roller, 7b pinch roller, 8 printing paper, 9 ink sheet, 10a ink take-up reel, 10b ink take-out reel, 11 cutter, 12 discharge port, 13 upper guide, 14 lower guide, 14a sheet mounting part, 14b fixing part, 15 sheet, 15a adhesive tape, 15b notch, 17 cut waste box, 20 internal fan.

Landscapes

  • Handling Of Sheets (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Electronic Switches (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Printers Characterized By Their Purpose (AREA)

Abstract

Un dispositif d'impression (1) comprend : une tête thermique (2) servant d'unité d'impression qui effectue une impression sur une feuille de papier d'impression (8); un dispositif de coupe (11) qui coupe la feuille de papier d'impression (8) ayant subi une impression, à une taille souhaitée; et un guide inférieur (14) qui est disposé au-dessous d'une voie de transport destinée à transporter la feuille de papier d'impression (8), ayant subi l'impression, sur le dispositif de coupe (11) de façon à former la voie de transport. Un espace libre est prévu sur le guide inférieur (14) de façon à empêcher, dans la voie de transport, l'accumulation de poussière de papier générée par la feuille de papier d'impression.
PCT/JP2018/019618 2018-05-22 2018-05-22 Dispositif d'impression Ceased WO2019224902A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/019618 WO2019224902A1 (fr) 2018-05-22 2018-05-22 Dispositif d'impression
JP2020520895A JPWO2019224902A1 (ja) 2018-05-22 2018-05-22 印刷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/019618 WO2019224902A1 (fr) 2018-05-22 2018-05-22 Dispositif d'impression

Publications (1)

Publication Number Publication Date
WO2019224902A1 true WO2019224902A1 (fr) 2019-11-28

Family

ID=68616869

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/019618 Ceased WO2019224902A1 (fr) 2018-05-22 2018-05-22 Dispositif d'impression

Country Status (2)

Country Link
JP (1) JPWO2019224902A1 (fr)
WO (1) WO2019224902A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56146552U (fr) * 1980-04-07 1981-11-05
JPS63127894A (ja) * 1986-11-19 1988-05-31 キヤノン株式会社 ロ−ルシ−ト用カツタ−
JPH0237153U (fr) * 1988-09-05 1990-03-12
JPH09506053A (ja) * 1994-09-26 1997-06-17 ムーア ビジネス フォームス インコーポレイテッド ライナーレスラベルプリンター及び搬送システム
JP2003001891A (ja) * 2001-06-20 2003-01-08 Sony Corp インクジェットプリンタ
US20060082637A1 (en) * 2004-10-14 2006-04-20 Norimitsu Sanbongi Printer
JP2007069977A (ja) * 2005-09-09 2007-03-22 Seiko Instruments Inc 熱活性化装置およびプリンタ
JP2008001042A (ja) * 2006-06-23 2008-01-10 Canon Inc シート処理装置及び画像形成装置
JP2009202449A (ja) * 2008-02-28 2009-09-10 Sato Knowledge & Intellectual Property Institute 印字装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56146552U (fr) * 1980-04-07 1981-11-05
JPS63127894A (ja) * 1986-11-19 1988-05-31 キヤノン株式会社 ロ−ルシ−ト用カツタ−
JPH0237153U (fr) * 1988-09-05 1990-03-12
JPH09506053A (ja) * 1994-09-26 1997-06-17 ムーア ビジネス フォームス インコーポレイテッド ライナーレスラベルプリンター及び搬送システム
JP2003001891A (ja) * 2001-06-20 2003-01-08 Sony Corp インクジェットプリンタ
US20060082637A1 (en) * 2004-10-14 2006-04-20 Norimitsu Sanbongi Printer
JP2007069977A (ja) * 2005-09-09 2007-03-22 Seiko Instruments Inc 熱活性化装置およびプリンタ
JP2008001042A (ja) * 2006-06-23 2008-01-10 Canon Inc シート処理装置及び画像形成装置
JP2009202449A (ja) * 2008-02-28 2009-09-10 Sato Knowledge & Intellectual Property Institute 印字装置

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