DE511814C - Rotary rubber printing machine for sheets - Google Patents

Rotary rubber printing machine for sheets

Info

Publication number
DE511814C
DE511814C DER77352D DER0077352D DE511814C DE 511814 C DE511814 C DE 511814C DE R77352 D DER77352 D DE R77352D DE R0077352 D DER0077352 D DE R0077352D DE 511814 C DE511814 C DE 511814C
Authority
DE
Germany
Prior art keywords
cylinder
printing machine
sheets
rotary rubber
grippers
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.)
Expired
Application number
DER77352D
Other languages
German (de)
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.)
Rockstroh Werke A G
Original Assignee
Rockstroh Werke A G
Publication date
Priority to DER77352D priority Critical patent/DE511814C/en
Application granted granted Critical
Publication of DE511814C publication Critical patent/DE511814C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/04—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs
    • B41F7/06—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs for printing on sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/08—Combinations of endless conveyors and grippers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Description

In dem Hauptpatent 511 813 ist eine Dreizylinder ' Rotationsgummidruckmaschine zum einfarbigen Bedrucken von Bogen dargestellt, bei welcher die den Bogen zum Druck und zur Auslage führenden Ketten um den Gummizylinder herumgeführt sind.In the main patent 511 813 is a three-cylinder '' Rotary rubber printing machine for single-color printing of sheets shown, in which the chains leading the sheet to printing and delivery around the blanket cylinder are shown around.

WiE man die Einrichtung auf Zweifarbenmaschinen, also auf Fünfzylinder-Rotationsgummidruckmaschinen übertragen, die natürlieh zwei Gummizyliader haben, so muß das endlose Fördermittel — Kette, Seil, BandHow to set up on two-color machines, i.e. on five-cylinder rotary rubber printing machines transferred, which of course have two rubber cyliaders, so must the endless conveyor - chain, rope, belt

0. dgl. — beide Gummizylinder umlaufen.0. Like. - Both blanket cylinders revolve.

Dabei wird es sich nicht vermeiden lassen,It will not be possible to avoid

daß das endlose Fördermittel mit der Zeit durch starke Beanspruchung langer wird; es kann dann naturgemäß keine genaue Abwicklung über die beiden Gummizylinder hinweg erfolgen; dadurch wird ein einwandfreies Passen der beiden Farben in Frage gestellt.that the endless conveyor becomes longer with time due to heavy use; it then, of course, there is no exact development across the two blanket cylinders take place; this calls into question a perfect match between the two colors.

Die Erfindung vermeidet diesen Nachteil dadurch, daß das endlose Fördermittel nur über den zweiten Gummizylinder der Druckmaschine läuft. Dann hat ein etwaiges Strecken der Fördermittel keinen Einfluß mehr auf dasThe invention avoids this disadvantage in that the endless conveyor only runs over the second blanket cylinder of the printing machine. Then has some stretching the funding no longer has an impact on that

as Register.as register.

Bei der auf der Zeichnung wiedergegebenen Ausführung nach der Erfindung erhält der Druckzylinder e, eine Greiferreihe I. Die schwingenden Vorgreifer h übergeben den zu bedruckenden Bogen den Greifern I des Druckzylinders e, die den Bogen während des Aufdruckens der ersten Farbe zwischen Gununizylinder d und Druckzylinder e und weiter bis zum Druckanfang der zweiten Farbe zwischen GummizyHnder c und Druckzylinders festhalten.In the embodiment according to the invention shown in the drawing, the printing cylinder e receives a row of grippers I. The swinging pre- grippers h transfer the sheet to be printed to the grippers I of the printing cylinder e, which hold the sheet between the gununi cylinder d and printing cylinder e while the first color is being printed and continue to hold it between the rubber cylinder c and the impression cylinder until the second color begins to print.

Das endlose Fördermittel f mit den Greifern g hat in dieser Ausführung genau die gleiche Anordnung wie in dem Hauptpatent 511 813, d. h. das endlose Fördermittel f läuft um den Gummizylinder c einerseits und eine zweck- *o entsprechende Umführung k anderseits und trägt eine oder beliebig viele Greiferreihen g. Die Böden des Gummizylinders c sind mit Aussparungen m versehen, in die sich die Bogenhaltevorrichtungen g hineinlegen. +5The endless conveyor f with the grippers g has exactly the same arrangement as in the main patent 511 813, that is, the endless conveyor f runs around the rubber cylinder c on the one hand and an appropriate bypass k on the other hand and carries one or any number Rows of grippers g. The bottoms of the blanket cylinder c are provided with recesses m into which the sheet holding devices g are placed. +5

Im weiteren Verlauf des Arbeitsvorganges wird der Bogen am Punkt 0 von den Greifern g der Förderkette f erfaßt und mit dem Druck nach oben auf den Auslegestapel i abgelegt.In the further course of the work process, the sheet is grasped at point 0 by the grippers g of the conveyor chain f and placed on the delivery pile i with the pressure upwards.

Nach der Erfindung hat die Maschine noch den Vorteil, daß sie auf den geringstmöglichen Raum beschränkt bleibt.After the invention, the machine still has the advantage that it is limited to the smallest possible space.

Würde man beispielsweise die Greifer g nicht um den GummizyHnder c, sondern um eine Ausführtrommel führen, so würde die gesamte Maschine sofort in Höhe und Länge um ein bedeutendes wachsen.If, for example, one were to lead the gripper g not around the rubber cylinder c, but around an outfeed drum, the entire machine would immediately grow significantly in height and length.

Claims (1)

Patentanspruch:Claim: Rotationsgummidruckmaschine für Bogen nach Patent 511 813, dadurch gekennzeichnet, daß bei einer Fünfzylinder-Rotationsgummidruckmaschine die die Greifer (g) tragenden Förderketten (f) o. dgl. um den zweiten Gummizylinder (c) herumlaufen und den bedruckten Bogen von den Druckzylindergreifern (I) erst übernehmen, wenn der Bogen unter dem Druck des zweiten Gummizylinders (c) steht.Rotary rubber printing machine for sheets according to Patent 511 813, characterized in that in a five-cylinder rotary rubber printing machine the conveyor chains (f ) or the like carrying the grippers (g) run around the second rubber cylinder (c) and the printed sheet is removed from the printing cylinder grippers (I) only take over when the sheet is under the pressure of the second blanket cylinder (c). Hierzu ι Blatt ZeichnungenFor this purpose ι sheet of drawings
DER77352D Rotary rubber printing machine for sheets Expired DE511814C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER77352D DE511814C (en) Rotary rubber printing machine for sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER77352D DE511814C (en) Rotary rubber printing machine for sheets

Publications (1)

Publication Number Publication Date
DE511814C true DE511814C (en) 1930-11-03

Family

ID=7415528

Family Applications (1)

Application Number Title Priority Date Filing Date
DER77352D Expired DE511814C (en) Rotary rubber printing machine for sheets

Country Status (1)

Country Link
DE (1) DE511814C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146073B (en) * 1958-11-18 1963-03-28 Wilhelm Ritzerfeld Rotary duplicating machine for direct lithographic printing
FR2492732A1 (en) * 1980-10-25 1982-04-30 Roland Man Druckmasch OFFSET MACHINE FOR PRINTING SHEETS INCLUDING AT LEAST ONE RECTO-BACK GROUP
FR2492733A1 (en) * 1980-10-25 1982-04-30 Roland Man Druckmasch ROTATIVE SHEET OFFSET COMPRISING AT LEAST ONE RECTO-VERSO PRINTING GROUP

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146073B (en) * 1958-11-18 1963-03-28 Wilhelm Ritzerfeld Rotary duplicating machine for direct lithographic printing
FR2492732A1 (en) * 1980-10-25 1982-04-30 Roland Man Druckmasch OFFSET MACHINE FOR PRINTING SHEETS INCLUDING AT LEAST ONE RECTO-BACK GROUP
FR2492733A1 (en) * 1980-10-25 1982-04-30 Roland Man Druckmasch ROTATIVE SHEET OFFSET COMPRISING AT LEAST ONE RECTO-VERSO PRINTING GROUP
USRE32727E (en) * 1980-10-25 1988-08-09 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Rotary offset sheet printing machine for prime and verso printing

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