EP0326496A1 - Druckmaschine mit integriertem Geschwindigkeitsmessrad - Google Patents

Druckmaschine mit integriertem Geschwindigkeitsmessrad Download PDF

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Publication number
EP0326496A1
EP0326496A1 EP89400240A EP89400240A EP0326496A1 EP 0326496 A1 EP0326496 A1 EP 0326496A1 EP 89400240 A EP89400240 A EP 89400240A EP 89400240 A EP89400240 A EP 89400240A EP 0326496 A1 EP0326496 A1 EP 0326496A1
Authority
EP
European Patent Office
Prior art keywords
shaft
motor
wheel
speed
rotation
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Withdrawn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
EP89400240A
Other languages
English (en)
French (fr)
Inventor
Pierre Leguillochet
Jean Langlet
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.)
Sermatec
Original Assignee
Sermatec
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 Sermatec filed Critical Sermatec
Publication of EP0326496A1 publication Critical patent/EP0326496A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/02—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface
    • B41K3/12—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface with curved stamping surface for stamping by rolling contact
    • B41K3/14—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface with curved stamping surface for stamping by rolling contact for relief stamping

Definitions

  • the present invention relates to printing devices, used in particular for printing inscriptions on a film in continuous packaging machines.
  • a printing apparatus comprising a print head integral in rotation with a first shaft and defining with a counter-roller a grip for a film, an ink roller integral in rotation with a second shaft parallel to the first, means for driving the second shaft in rotation when the first shaft rotates, an electric motor for driving the first shaft and a wheel mounted idly on a third shaft and in contact by its periphery with the film.
  • the linear speed of the film and that of the characters carried by the print head must be equal. This is why we plan the speed-taking wheel, distinct from the device itself, which we try as much as possible to place in the extension of the right-of-way, in order to detect the film speed.
  • the speed of this wheel is detected by a tachometer, which is also separate and located outside the cover of the device. The tachometer transmits a speed signal to a motor speed control unit.
  • Putting the device into operation therefore requires the installation, mounting and connection of the tachometer and the wheel when the device is used, which is relatively complicated, constitutes a source of errors and may result in the detection of a false speed value. It is difficult to simultaneously obtain good positioning of the device, ensuring good marking of the film and good positioning of the wheel, ensuring good synchronism of the rotation of the head and of the speed of movement of the film. Sometimes, for a narrow film, the width of the grip is equal to that of the film. The speed information must be taken using the wheel upstream or downstream of the right-of-way. However, the speed of the film in such a location may be different from the speed of the film in the grip. Finally, the storage and transport of the device and its accessories is difficult. One of the accessories may get lost.
  • the invention overcomes these drawbacks by a device which is simpler to assemble and connect, taking up less space and therefore capable of being more easily integrated into machines, requiring fewer adjustments and making it possible to detect the speed of the web width in the right-of-way, even if the width of the width is not greater than that of the apparatus and preventing any danger of loss of the constituent elements.
  • the apparatus according to the invention is characterized in that the wheel is integral with the apparatus by being mounted idly on the third shaft which is incorporated into the apparatus and which extends in the plane defined by the first shaft and by the second tree.
  • the third tree is confused with the first.
  • the tachometer is mounted on a fourth shaft, parallel to the first and interposed between the latter and the output shaft of the engine, and there is a coupling between the third shaft and the fourth shaft. It is thus possible to accommodate the tachometer without increasing the thickness of the device. Still for this same reason for space, the tilting axis of the device, which is parallel to the first shaft and which is arranged laterally relative to the right-of-way, is on the same side of the first shaft as the output shaft .
  • the tachometer is fully housed inside the hood.
  • the printing apparatus shown in the drawings comprises a frame 1 in which five openings are drilled.
  • a first shaft 2 is mounted by bearings 3 and bearings 4.
  • a second shaft 5 is mounted by bearings 6 and bearings 7.
  • an electric motor 8 having an output shaft 9.
  • an incremental encoder acting as a tachometer generator 10, the shaft of which bears the reference 11.
  • an adjustment rod 12 forming part of the tilting device which will be described later.
  • a print head consisting of a character carrier 13 with incorporated heating elements 14, is mounted for rotation on the shaft 2.
  • the heating elements 14 are separated from the other constituent elements behind them, by an insulating plate 16. Between the plate 16 and the wheel 15, is mounted on the first shaft 2, a pulley 17 receiving a belt 18 coming on a pulley 19 mounted on the output shaft 9 of the motor 8.
  • the print head 13 rotates by friction, by means of an O-ring 20, an inking roller 21 mounted integral in rotation with a second shaft 22.
  • the shafts 2, 5, 9 and 11 are parallel.
  • a plastic film F to be printed passes through the area between the print head and a counter roller 23.
  • the rubber wheel 15 frictionally drives a reduction pinion 24 mounted on the shaft 11.
  • the speed of rotation of the shaft 11 is transmitted to the encoder 10 and transmits this speed by a line 25 to a speed control member 26 of rotation of the output shaft 9 of the motor 8.
  • the electronic control member 26 is housed in a cabinet outside the device.
  • a knurled button 27 attacks with a threaded rod 28 the rod 12, so as to adjust the pressing force of the print head 13 on the film F.
  • a tapping of a lever 29 meshes with the threaded rod 28 and is mounted tilting on the plate 1 by a tilting axis 30 parallel to the shaft 9.
  • a knurled button 31 with threaded rod 32 protrudes into a cavity 33 for receiving a support bar for the device, this bar does not not being shown and being substantially parallel to the axis 9.
  • the lever 29 can be tilted around the tilting axis 30, so as to tilt more or less minus the print head 13 towards the counter-roller 23.
  • the motor 8 is made to rotate.
  • the output shaft 9 of the motor drives the first shaft 2 through the belt 18.
  • the print head 13 rotates at the speed of the film F.
  • the wheel 15 which rubs on the film F is rotated at this same speed, and transmits this speed information to the tachometer 10 via the pinion 24.
  • the tachometer 10 transmits this speed information to the member 26, which accordingly adjusts the speed of the motor 8.
  • the print head 13 rotates the ink roller 21 via the seal 20.
  • a cover 34 in which the tachometer 10 is fully housed and which also surrounds all the rest of the device, except for the member 26, the lever 29 and the counter-roller 23.
  • the output shaft 9 of the motor 8 is at a distance from the first shaft 2, which is greater than the sum of the radius of the print head 13 and the radius of the motor 8.

Landscapes

  • Common Mechanisms (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP89400240A 1988-01-29 1989-01-27 Druckmaschine mit integriertem Geschwindigkeitsmessrad Withdrawn EP0326496A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8801044 1988-01-29
FR8801044A FR2626528B1 (fr) 1988-01-29 1988-01-29 Appareil d'impression a roue de prise de vitesse integree

Publications (1)

Publication Number Publication Date
EP0326496A1 true EP0326496A1 (de) 1989-08-02

Family

ID=9362758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400240A Withdrawn EP0326496A1 (de) 1988-01-29 1989-01-27 Druckmaschine mit integriertem Geschwindigkeitsmessrad

Country Status (4)

Country Link
US (1) US4920879A (de)
EP (1) EP0326496A1 (de)
JP (1) JPH02276643A (de)
FR (1) FR2626528B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029366C2 (de) * 1990-09-15 1995-07-06 Kotterer Grafotec Vorrichtung zum Fangen und Halten einer gerissenen Bedruckstoffbahn
US5678484A (en) * 1993-03-25 1997-10-21 Baldwin Web Controls Anti-wrap device for a web press
CN105500940B (zh) * 2015-12-29 2017-11-03 中信戴卡股份有限公司 一种改进的车轮滚压刻字装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719482A (en) * 1953-11-03 1955-10-04 Connolly Wrapping paper dispenser and printer
US2910937A (en) * 1956-10-03 1959-11-03 Gottscho Inc Adolph Rotary marking apparatus
US3603250A (en) * 1968-11-27 1971-09-07 Mckenna Equipment Co Inc Marking device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739528A (en) * 1951-04-13 1956-03-27 Anaconda Wire & Cable Co Wire marking apparatus
US3487776A (en) * 1967-04-04 1970-01-06 Alfred A Marozzi Outrig drive wheel assembly for a rotary printing wheel
US4527472A (en) * 1983-09-26 1985-07-09 Norwood Marking & Equipment Co., Inc. Exchangeable print head hot ink roll marker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719482A (en) * 1953-11-03 1955-10-04 Connolly Wrapping paper dispenser and printer
US2910937A (en) * 1956-10-03 1959-11-03 Gottscho Inc Adolph Rotary marking apparatus
US3603250A (en) * 1968-11-27 1971-09-07 Mckenna Equipment Co Inc Marking device

Also Published As

Publication number Publication date
FR2626528A1 (fr) 1989-08-04
FR2626528B1 (fr) 1990-06-08
JPH02276643A (ja) 1990-11-13
US4920879A (en) 1990-05-01

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