EP0761584A2 - Imprimante avec coupe - Google Patents

Imprimante avec coupe Download PDF

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Publication number
EP0761584A2
EP0761584A2 EP96112532A EP96112532A EP0761584A2 EP 0761584 A2 EP0761584 A2 EP 0761584A2 EP 96112532 A EP96112532 A EP 96112532A EP 96112532 A EP96112532 A EP 96112532A EP 0761584 A2 EP0761584 A2 EP 0761584A2
Authority
EP
European Patent Office
Prior art keywords
cutting
cutting rail
knife wheel
printing device
moves
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.)
Withdrawn
Application number
EP96112532A
Other languages
German (de)
English (en)
Other versions
EP0761584A3 (fr
Inventor
Paul Freitag
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.)
Wincor Nixdorf International GmbH
Original Assignee
Siemens Nixdorf Informationssysteme AG
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 Siemens Nixdorf Informationssysteme AG filed Critical Siemens Nixdorf Informationssysteme AG
Publication of EP0761584A2 publication Critical patent/EP0761584A2/fr
Publication of EP0761584A3 publication Critical patent/EP0761584A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators

Definitions

  • the invention relates to a printer with a cutting function for printing on flat material, in particular paper, with a printing device which can be moved transversely to a transport direction of the flat material for printing on the flat material in a printing area, the flat material being guided through the printing area along a transport path and with one across Direction of transport movable parallel to the printing area, mounted on the printing device knife wheel, which is in engagement with a cutting rail during a cutting process, such that the flat material arranged between the knife wheel and cutting rail is cut.
  • Printers with a cutting function for printing on paper are already known and are used, for example, for printing receipts, the paper being pulled off rolls and cut to the length of the receipt after printing.
  • the cutting is carried out by a knife wheel which can be brought into engagement with a stationary cutting rail provided in the transport plane of the paper.
  • the knife wheel is mounted on a knife wheel carrier which is arranged on a printhead carriage which is movable transversely to the transport direction.
  • the knife wheel carrier is moved transversely to the transport direction together with the print head carriage, as a result of which the paper arranged between the knife wheel and the cutting rail is cut.
  • the knife wheel is only in the transport plane of the paper during the cutting process brought so that this does not hinder the paper transport.
  • the cutting rail protrudes into the transport plane, which in particular hinders the transport of the paper against the feed direction.
  • the object of the invention is to provide a printer with a cutting function, which is compact and simple, and which allows trouble-free paper transport in both directions.
  • the invention solves this problem in a printer of the type mentioned at the outset in that the cutting rail can be moved between a cutting position in engagement with the knife wheel and a rest position outside the transport path.
  • the printer is designed simply by mounting the knife wheel on the printing device. However, since the knife wheel must not be constantly engaged with the cutting rail during the printing process, the cutting rail can be moved between a cutting position in which it engages with the knife wheel and a rest position outside the transport path.
  • the knife wheel is mounted so as to be movable in the direction of the cutting rail and is in elastic engagement with the cutting rail during the cutting process. This enables tolerance compensation and ensures even pressure between the knife wheel and the cutting rail.
  • Spiral or leaf springs are suitable for the elastic pretensioning of the knife wheel, however, other elastic tensioning means, such as elements made of elastomeric materials, are also conceivable.
  • the knife wheel is advantageously mounted on the printing device with a knife holder, which is in the direction of the Cutting rail is pivotable.
  • the knife wheel is mounted on the knife holder on the knife holder, which is displaceable in the direction of the cutting rail.
  • the additional use of an adjustable knife holder makes it possible to move both the cutting rail and the knife wheel outside the region of the transport path during the printing process, so that the actual printing process is in no way disturbed.
  • the movement of the knife holder can be achieved by mechanical means, such as link guides and switching elements, but also by electrically operated actuators, such as servomotors, which are actuated with the help of the control device of the printer after the printing process.
  • the cutting rail is arranged to be displaceable in the direction of the knife wheel between the cutting position and the rest position. Moving the cutting rail ensures that the knife wheel engages with the cutting rail without any problems.
  • the cutting rail is arranged to be pivotable in the direction of the knife wheel between the cutting position and the rest position, as a result of which the knife wheel gently engages with the cutting rail. It is also conceivable to provide a cutting rail which can be moved both displaceably and pivotably in the direction of the knife wheel.
  • an actuating device is provided on the printing device, which moves the knife wheel from a rest position into an engagement position in engagement with the cutting rail when the printing device moves out of the printing area in the first direction, and which moves the knife wheel from the engagement position into the Rest position moves when the printing device moves in the second direction opposite to the first direction out of the printing area.
  • Mechanical actuating devices but also electrical actuating devices, such as servomotors, are conceivable as actuating devices, which, depending on the position of the printing device, move the knife wheel back and forth between a rest position and an engagement position.
  • the knife wheel is particularly advantageous to design the knife wheel as a collar ball bearing, the outer ring of which is designed as a cutting edge, since such collar ball bearings are relatively simple in construction and are available as a mass product.
  • FIG. 1 and 2 show a first embodiment of a printer 10 with a cutting function.
  • the printer has a frame 12 (FIG. 3) which carries an upper transverse guide 14 and a lower transverse guide 16 arranged parallel to the upper transverse guide 14 at a distance from it.
  • the two transverse guides 14 and 16 have a circular cross section and serve as a guide for a printing device 18.
  • Below the lower transverse guide 16 there is a support 20 arranged parallel and at a distance from it, which extends over the entire width of the printer 10.
  • a pressure bar 22 is provided which runs parallel to the transverse guides 14 and 16 and also extends over the entire width of the printer 10.
  • the pressure bar 22 is arranged such that its top lies at least approximately in one plane with the top of the support 20, a gap remaining between the support 20 and the pressure bar 22.
  • the support 20 and the pressure bar 22 serve as a support surface for the paper 24 to be printed, which is transported between the printing device 18 and the support surface in the direction of the arrow by the printer 10.
  • the printing device 18 has a print head carrier 26, which has two guide bushes 28 and 30, which are formed in one piece with the print head carrier 26, on the two transverse guides 14 and 16 transversely to the transport direction of the paper 24 is slidably mounted.
  • a printhead holder 32 is attached to the printhead carrier 26 and protrudes vertically from the front of the printhead carrier 26 in the transport direction.
  • a print head 34 is provided on the underside of the print head holder 32 facing the print bar 22. The print head 34 is arranged such that it has an approximately constant distance from the print bar 22 when the print head carrier 26 moves transversely to the transport direction of the paper 24. The paper 24 to be printed is guided through the gap formed in the process.
  • a plate-shaped guide element 36 is fastened to the print head carrier 26 in the immediate vicinity of the print head holder 32 with two guide strips 38 and 40 which are L-shaped in cross section and run parallel to one another (FIG. 2).
  • the two L-shaped guide strips 38 and 40 are arranged approximately perpendicular to the printer bar 22 and each end merges with the end face of their long leg into the guide element 36, the end faces of the short legs of the two guide strips 38 and 40 face each other (FIG. 3 ).
  • This arrangement of the guide strips 38 and 40 forms a longitudinal guide in which a knife carrier 42 is slidably received.
  • a bearing pin 44 is screwed into the end of the knife carrier 42 facing the pressure beam 22.
  • a knife wheel 46 is rotatably mounted on the bearing pin 44, which in this exemplary embodiment is designed as a collar ball bearing, on the outer ring of which a cutting edge is provided (FIG. 1).
  • an opening 48 is provided on the knife carrier 42 approximately in the middle between the two guide strips 38 and 40, the edge of which, facing away from the knife wheel 46, is designed as an adjusting groove 50.
  • a link element 52 is slidably received between the knife carrier 42 and the print head carrier 26.
  • the upper side of the link element 52 facing the adjusting groove 50 is designed as an adjusting surface 54, the course of which corresponds to the course of the adjusting groove 50.
  • a rectangular recess 56 is provided on the lower edge facing the knife wheel 46, in which a compression spring 58 is accommodated, which is supported on the knife carrier 42 within the opening 48 and thus resiliently prestresses the link element 52 in the direction of the adjusting groove 50.
  • a shoulder 60 formed on the link element 52 rests on a pin 62 of the knife carrier 42 which projects into the opening 48, as a result of which the movement of the link element 52 in the direction of the adjusting groove 50 is restricted, so that there is a guide groove between the adjusting groove 50 and the adjusting surface 54 64 trains.
  • a longitudinal guide 66 is provided which extends through the print head carrier 26 and extends in the direction of the transverse guides 14 and 16.
  • a guide pin 68 is received, which extends through the longitudinal guide 66 and the guide groove 64 to the outside.
  • a section 70 of larger diameter is provided in order to hold the guide pin 68.
  • the other end of the guide pin 68 shown on the right in FIG. 1 is fastened to a slide 72 running in the direction of the transverse guides 14 and 16.
  • the slider 72 is also provided with an elongated hole (not shown) extending in the direction of the transverse guides 14 and 16, through which a screw 74 attached to the print head carrier 26 extends, so that the slider 72 is mounted displaceably in the direction of the transverse guides 14 and 16 . As shown in Figure 2, the slider 72 projects to both Sides of the print head carrier 26 in the direction of the transverse guides 14 and 16 beyond the print head carrier 26.
  • this cutting rail 76 is pivotably mounted on the frame 12 via two pivot pins 78 and 80, a spring (not shown) prestressing the cutting rail 76 against the pressure beam 22.
  • a guide element 82 is fastened to the end of the cutting rail 76 shown on the right in FIG. 3, the function of which is explained below.
  • the print head carrier 26 moves back and forth within the printing area D during the actual printing function of the printer in the direction of the transverse guides 14 and 16 (see arrow).
  • the paper 24 transported by the printer 10 is printed.
  • the print head carrier 26 is moved out of the printing area D in a first direction R1 after the printing process has ended, as shown in FIG.
  • the print head carrier 26 is moved towards the frame 12 in the direction R1 to such an extent that the slide 72 strikes the frame 12 with its first end face 84. Since the slide 72, as already explained above, is slidably attached to the print head carrier 26, the slide 72 is displaced relative to the direction of movement of the print head carrier 26 relative to the latter.
  • the guide pin 68 is displaced within the guide groove 64, the knife carrier 42 being adjusted in the direction of the cutting rail 76 by the interaction of the guide pin 68 with the positioning surface 54 on the upper side of the link element 52.
  • the knife carrier 42 is in its cutting position.
  • the print head carrier 26 is then moved in the second direction R2 opposite to the first direction R1, the knife wheel 46 coming into engagement with the cutting rail 76.
  • the movement of the print head carrier 26 cuts the paper 24 arranged between the knife wheel 46 and the cutting rail 76.
  • the knife wheel 46 is slightly inclined to the cutting rail 76, as shown in FIG. 3, in this case approximately 1 °.
  • the second end face 88 of the slide 72 comes into contact with the frame 12.
  • the slide 72 is displaced in the opposite direction to the direction of movement of the print head carrier 26 relative to the latter.
  • the guide pin 68 moves within the guide groove 64 until it strikes the end of the guide groove 64. Due to the interaction of the guide pin 68 with the adjusting groove 50, the knife carrier 42 is moved upward and the knife wheel 46 and the cutting rail 76 disengage. As soon as the cutting rail 76 is no longer in engagement with the knife wheel 46, it is moved into its rest position outside the transport path by the force of the spring against the pressure beam 22 and the cutting process is ended.
  • FIGS. 6 to 9 show a second exemplary embodiment of a printer 100 with a cutting function.
  • the printer 100 has a frame 102 (FIG. 8) in which two transverse guides 106 and 108, which are arranged transversely to the transport direction of a paper 104 to be printed, are fastened and run parallel to one another.
  • a support 110 is arranged below the lower transverse guide 108, which runs parallel to the transverse guides 106 and 108 and extends over the entire width of the printer 100.
  • the printer 100 has a printing bar 112, which is likewise arranged transversely to the transport direction of the paper 104 to be printed, runs parallel to the two transverse guides 106 and 108 and extends over the entire width of the printer 100.
  • the top of the support 110 and the top of the pressure bar 112 are arranged in one plane and form the support surface for the paper 104 transported in the direction of the arrow.
  • the transverse guides 106 and 108 which are circular in cross section, serve as guides for a printing device 114.
  • This printing device 114 has a print head carrier 116, which is slidably mounted on the two transverse guides 106 and 108 with two guide bushings 118 and 120. Approximately in the middle, between the two guide bushings 118 and 120 is a perpendicular from the front of the print head carrier 116 printhead holder 122 protruding in the transport direction.
  • the print head holder 122 carries a print head 124 facing the print bar 112.
  • the print head 124 is arranged at a distance from the print bar 112, a printing gap being formed through which the paper 104 to be printed is transported.
  • an extension 126 extending perpendicular to the printhead 112 is also formed, which extends over the entire width of the printhead carrier 116.
  • a pin 128 projects vertically from the front of the extension 126 facing the print head 124 and, as shown in FIG. 7, is arranged on the lower left corner of the extension 126.
  • a rocker 130 is pivotally mounted on this pin 128 in the direction of the pressure beam 112.
  • another pin 132 protrudes perpendicularly from the front of the extension 126 at approximately the same height as the first pin 128. This protrudes into an elongated hole 134 formed in the rocker 130, whereby the movement of the rocker 130 is limited.
  • a spiral spring 136 which is arranged above the elongated hole 134 in the pivoting direction of the rocker 130, is fastened to the rocker 130 and the printhead holder 122, keeps the rocker 130 in a position outside the transport path of the paper 104.
  • a bearing pin 138 is screwed into the rocker 130, on which a knife wheel 140 is mounted.
  • the knife wheel 140 is designed as a collar ball bearing, on the outer ring of which a cutting edge is provided.
  • Stops 142 and 144 are provided, which extend in the direction of the two transverse guides 106 and 108.
  • a cutting rail 146 is arranged between the support 110 and the pressure beam 112, which also runs parallel to the two transverse guides 106 and 108 and extends approximately over the entire width of the printer 100.
  • the cutting rail 146 has on its longitudinal side facing the pressure beam 112 two guide pins 148 and 150 projecting perpendicularly from the latter, of which only the guide pin 148 can be seen in FIG.
  • These guide pins 148 and 150 rest on a switching rod 152, with the aid of which the cutting rail 146 can be moved back and forth in the direction of the knife wheel 140 between a rest position and a cutting position.
  • FIG. 6 shows the cutting rail 146 in the rest position, in which the cutting rail 146 is arranged below the transport path of the paper 104 to be printed, which is formed by the upper sides of the support 110 and the pressure bar 112.
  • the cutting rail 146 is displaced towards the knife wheel 140 by the action of the switching rod 152, as will be explained later, until the cutting rail 146 comes into engagement with it.
  • the printing device 114 is moved transversely to the transport direction of the paper 104, the paper 104 arranged between the knife wheel 140 and the cutting rail 146 is cut.
  • the printer 100 is shown in front view in FIGS. 8 and 9, the print bar 112 not being shown and the print head 124 being shown only partially.
  • the cutting rail 146 is fixed to the frame 102 via a slot 154 arranged centrally on the cutting rail 146 and extending in the direction perpendicular to the direction of movement of the print head carrier 116 Guide pin 156 slidably mounted.
  • the two guide pins 148 and 150 are attached to the ends of the cutting rail 146 near the lower edge of the cutting rail 146.
  • These guide pins 148 and 150 each rest on a guide slope 158 and 160 formed on the upper side of the shift rod 152, the function of which will be explained later.
  • an elongated hole 162 and 164 runs parallel to the transverse guides 106 and 108 on the shift rod 152.
  • the shift rod 152 is slidably mounted with the two elongated holes 162 and 164 on two holding pins 166 and 168 provided on the frame 102 and is equipped at both ends with a first and a second leg 170 and 172 which run perpendicular to the transverse guides 106 and 108.
  • the length of the two legs 172 and 174 is selected so that they protrude above the lower transverse guide 108 and end above the stops 142 and 144 formed on the print head carrier 116.
  • printer 100 with cutting function is explained in more detail below.
  • printing device 114 is moved out of the printing area in a first direction R1, to the right in FIG. 8 (see arrow).
  • the first stop 142 formed on the print head carrier 116 strikes the first leg 172 of the switching rod 152.
  • the shift rod 152 is also moved in the first direction R1 by the movement of the print head carrier 116 (see arrow).
  • the cutting rail 146 is moved in the direction of the knife wheel 140 into the cutting position (see arrow).
  • the printing device 114 is moved into the first direction R1 moves opposite second direction R2, whereby the paper 104 arranged between knife wheel 140 and cutting rail 146 is cut.
  • the printing device 114 moves out of the printing area, as shown in FIG. 9, it moves with its second stop 144 against the second leg 172 of the switching rod 152.
  • the switching rod 152 is displaced in the second direction R2 so that, through the interaction of the Guide bevels 158 and 160 with the guide pins 148 and 150, the cutting rail 146 moves by its own weight or a spring arranged on the cutting rail 146, in the rest position.

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  • Handling Of Sheets (AREA)
EP96112532A 1995-09-06 1996-08-02 Imprimante avec coupe Withdrawn EP0761584A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19532930 1995-09-06
DE1995132930 DE19532930C1 (de) 1995-09-06 1995-09-06 Drucker mit Schneidefunktion

Publications (2)

Publication Number Publication Date
EP0761584A2 true EP0761584A2 (fr) 1997-03-12
EP0761584A3 EP0761584A3 (fr) 1997-11-19

Family

ID=7771424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96112532A Withdrawn EP0761584A3 (fr) 1995-09-06 1996-08-02 Imprimante avec coupe

Country Status (2)

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EP (1) EP0761584A3 (fr)
DE (1) DE19532930C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018204397A1 (fr) * 2017-05-01 2018-11-08 Avery Dennison Retail Information Services, Llc Combinaison d'imprimante et d'appareil de coupe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215351B4 (de) * 2002-04-08 2004-04-01 OCé PRINTING SYSTEMS GMBH Schneideeinrichtung zum Trennen eines Bedruckstoffes im Druckwerk einer nichtmechanischen Druckeinrichtung
DE20212425U1 (de) * 2002-08-13 2003-12-24 Psi Printer Systems International Gmbh Drucker mit einer Schneidvorrichtung für Papierbahnen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205774A1 (de) 1992-02-21 1993-08-26 Mannesmann Ag Schneideinrichtung fuer formularbahnen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343858C3 (de) * 1973-08-30 1979-05-03 Nixdorf Computer Ag, 4790 Paderborn Elektromechanisches Schreibwerk mit Rollenmesser
US4907014A (en) * 1989-05-18 1990-03-06 Calcomp Inc. Safely retracting paper-cutting apparatus for a roll paper printer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205774A1 (de) 1992-02-21 1993-08-26 Mannesmann Ag Schneideinrichtung fuer formularbahnen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018204397A1 (fr) * 2017-05-01 2018-11-08 Avery Dennison Retail Information Services, Llc Combinaison d'imprimante et d'appareil de coupe
WO2018204401A3 (fr) * 2017-05-01 2018-12-06 Avery Dennison Retail Information Services, Llc Appareil de coupe autonome
US10494131B2 (en) 2017-05-01 2019-12-03 Avery Dennison Retail Information Services, Llc Combination printer and cutting apparatus
US11045966B2 (en) 2017-05-01 2021-06-29 Avery Dennison Retail Information Services, Llc Stand-alone cutting apparatus
US11052559B2 (en) 2017-05-01 2021-07-06 Avery Dennison Retail Information Servives, LLC Combination printer and cutting apparatus
US11148846B2 (en) 2017-05-01 2021-10-19 Avery Dennison Retail Information Services, Llc Method for reducing label waste using a cutting apparatus
EP4241939A3 (fr) * 2017-05-01 2023-11-08 Avery Dennison Retail Information Services LLC Appareil de coupe autonome
EP4252983A3 (fr) * 2017-05-01 2023-11-15 Avery Dennison Retail Information Services LLC Procédé de réduction de déchets d'étiquettes à l'aide d'un appareil de coupe
EP4241940A3 (fr) * 2017-05-01 2023-11-15 Avery Dennison Retail Information Services LLC Appareil de coupe autonome
EP4249194A3 (fr) * 2017-05-01 2023-11-15 Avery Dennison Retail Information Services LLC Procédé de réduction de déchets d'étiquettes à l'aide d'un appareil de coupe
US12036688B2 (en) 2017-05-01 2024-07-16 Avery Dennison Retail Information Services Llc Stand-alone cutting apparatus

Also Published As

Publication number Publication date
DE19532930C1 (de) 1997-04-17
EP0761584A3 (fr) 1997-11-19

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