EP2604438B1 - Method for controlling a saddle stitching machine feeder - Google Patents

Method for controlling a saddle stitching machine feeder Download PDF

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Publication number
EP2604438B1
EP2604438B1 EP12193360.0A EP12193360A EP2604438B1 EP 2604438 B1 EP2604438 B1 EP 2604438B1 EP 12193360 A EP12193360 A EP 12193360A EP 2604438 B1 EP2604438 B1 EP 2604438B1
Authority
EP
European Patent Office
Prior art keywords
gripper
signatures
sheet
closing
control signals
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.)
Not-in-force
Application number
EP12193360.0A
Other languages
German (de)
French (fr)
Other versions
EP2604438A2 (en
EP2604438A3 (en
Inventor
Stephan Fritsch
Steffen Hoffmann
Falk Preuß
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.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding 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 Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Publication of EP2604438A2 publication Critical patent/EP2604438A2/en
Publication of EP2604438A3 publication Critical patent/EP2604438A3/en
Application granted granted Critical
Publication of EP2604438B1 publication Critical patent/EP2604438B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B4/00—Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B9/00—Devices common to machines for carrying out the processes according to more than one of the preceding main groups
    • B42B9/02—Devices common to machines for carrying out the processes according to more than one of the preceding main groups for opening quires or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B9/00—Devices common to machines for carrying out the processes according to more than one of the preceding main groups
    • B42B9/04—Devices common to machines for carrying out the processes according to more than one of the preceding main groups for conveying downwardly-open signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
    • B65H3/0875—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated the final separation being performed by mechanical grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/043—Associating,collating or gathering articles from several sources from piles the piles being disposed in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/055—Associating,collating or gathering articles from several sources from piles by collecting in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30—Opening devices for folded sheets or signatures
    • B65H5/305—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets
    • B65H5/307—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets two opposite rotary means, both having gripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/32—Saddle-like members over which partially-unfolded sheets or signatures are fed to signature-gathering, stitching, or like machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/322—Riding over one elongated or saddle-like member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B65H2511/415—Identification of job
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a method for controlling an investor of a saddle stitching machine according to the preamble of claim 1.
  • a gripper for a bookbinding machine for detecting and holding bow known whose closing movement is initiated by operating a pneumatic cylinder. If the working cylinder is placed under vacuum or pressurized with compressed air, then a gripper finger attached to a piston rod is tightened against the force of a spring. The pressure or suction air is supplied to the working cylinder via a control valve, which is controlled with an adjustable cam so that the gripping force is regulated.
  • a cam has a fixed Stellcharacterising corresponding to the cam curve. To adjust the cam disc no details are disclosed in the patent application.
  • An Indian DE 197 52 017 A1 described saddle stitcher comprises a plurality of folded sheet feeder.
  • the rotational speed of the drums of an investor may be delayed or accelerated depending on the paper quality, the speed of a gathering chain being uniform.
  • the object of the invention is to provide a method for controlling an investor a saddle stitching machine, which reduces the operating effort when adjusting the investor, which increases the reliability when placing folded sheets on a transport device and which improves the quality of collating and stapling.
  • the opening and closing times of grippers are controlled program-controlled, stepless and format-dependent.
  • data about the dimensions and the page number of the signatures are entered in a control device, from which control signals for actuators of the gripper are generated. Due to the automated separation of folded sheets, it is possible to vary the switching and reaction times in relation to the product.
  • pneumatic controls the number of mechanical components can be reduced, resulting in low manufacturing costs. A small number of mechanical wear points improves the reliability of the investor. Markings on the folded sheet can be avoided by the gripping forces are variably adjusted.
  • the saddle stitching machine shown comprises, inter alia, three feeders 2 - 4 arranged one after the other in the direction of production 1, a stitching station 5 and a cross conveyor 6.
  • the folded sheets 7 - 9 separated in the feeders 2 - 4 are stacked one above the other on an endlessly circulating gathering chain 10 and reach the stitching station 5 promoted.
  • the stitching station 5 the folded folded sheets 7 - 9 are connected to each other by a stitch-stitching.
  • the transverse conveyor 6 the interconnected folded sheets 7 - 9 receive a new production direction 11 for further transport to a trimmer.
  • folded sheets 7 are stacked in a magazine 12.
  • the bottom of the magazine 12 is inclined to the horizontal.
  • the folded sheets 7 lie with the folded leading edges on a register rail 13 and with the side edges of side edge stops 14 at.
  • the side stops 14 are adjustable with a motor 15 and a spindle drive 16 in the direction 17 perpendicular to the page plane on the back length L of the signatures 7.
  • the motor 15 is connected to a control device 18 in connection.
  • suction pad 20 are arranged below an opening 19 in the bottom of the magazine.
  • the suction pads 20 are attached to a hollow shaft 21 and pivoting about the axis of the hollow shaft 21 in the separation cycle.
  • a situation is shown in which a single folded sheet 7.1 was transferred from the suction pads 20 in mechanical gripper 22 a singling drum 23.
  • the singling drum 23 rotates about its axis 24 in the direction 25.
  • a folding sheet 7. 2 preceding the singled fold sheet 7. 1 is held in further mechanical grippers 26 of the singling drum 23.
  • the grippers 26 are diametrically opposed to the grippers 22 with respect to the axis 24.
  • FIG. 2 shows a situation in which a folding sheet 7.3 preceeding folded sheet 7.3 is opened by means of the drums 31, 32. While the folded sheet was 7.3 with its front edge against the stop 27, the trailing at the separating drum 23 ends of the folding sheet 7.3 of double grippers 35, 36 of the drum 31 were detected. The prefold of the folding sheet 7.3 was transferred from the top grippers 36 to the gripper 37 of the opener drum 32. The folded sheet 7.3 is pulled apart at the ends and dropped over the gathering chain 10. The folded sheet 7.3 lays over a folded sheet 7.4, which has already been placed on the gathering chain 10 by means of the investor 2.
  • the Figures 3 and 4 show a pneumatic control of the movement of the grippers 22, 26 of the singling drum 23.
  • the singling drum 23 consists of two drum discs 23.1, 23.2, the rotationally fixed on the hollow shaft 24 sit. Between the discs 23.1, 23.2 pneumatic working cylinders 38, 39 are arranged, of which two pneumatic control lines 40.1 - 40.4 lead to channels 41.1 - 41.4 in the interior of the axis 24.
  • the compressed air supply for the working cylinder 38, 39 via rotary unions 42.1 - 42.4, respectively at the end of a channel 41.1 - 41.4.
  • the working piston rods 43, 44 of the working cylinder 38, 39 are connected to levers 45.1, 45.2, 46.1, 46.2, which non-rotatably on the gripper shafts 47.1, 47.2, 48.1, 48.2 of the gripper 22, 26 sit.
  • At each disc 23.1, 23.2 is a pair of grippers 22.1, 26.1; 22.2, 26.2.
  • An opening and closing of the grippers 22, 26 is done depending on the dimensions and the page number n of the signatures 7.
  • n the page number 7.
  • the in Fig. 5 taken into account dimensions.
  • Further dimensional data are the sheet thickness d and the grammage G.
  • the entered sizes are processed and lead to a default of various elements in the investors 2-4.
  • From the back length L results in a default setting of the side stops 14 on the magazine 12 with the motor 15.
  • the sheet width B 2 leads to a default of Register stop 27 with the motor 28 and the gripper opening angle ⁇ ö of the grippers 22, 26 on the singling drum 23.
  • Both sheet widths B 1 , B 2 are used to pre- set the gripper closing angles ⁇ s of the grippers 35 - 37 on the drums 31, 32.
  • the back length L, the bow widths B 1 , B 2 and the arch thickness d provide a presetting of a thickness control device, a wire feed and a clincher tool of the stitching station 5 and a height of a crotch band.
  • the gripping forces F of the grippers 22, 26 of the singling drum 23 are preset.
  • the predetermined target pressure p should have influence in setting the gripping force F and the shift time t of switching two-way valves 51.1 - 51.4, with the rotary lead-throughs 42.1 - 42.4 are connected.
  • the switching time t switching of the valves 51.1 - 51.4 is controlled, to which a connection 52 between the valves 51.1 - 51.4 and the computer 50 is made.
  • the pressure setpoint p soll is transmitted via a connection 53 from the computer 50 to a pressure regulator 54.
  • the actual pressure value p ist is transmitted from the pressure regulator 54 via a connection 55 to the computer 50, where a comparison with the pressure setpoint p soll is continuously taking place. Votes pressure value p set and actual pressure value p is consistent, the switching time is t switching constant. If p> p should be is this actual pressure p required switching time t switching to the valves 51.1 to 51.4 passed. Furthermore, the information to lower the pressure p soll is transmitted to the pressure regulator 54.
  • the compressed air for actuating the grippers 22, 26 is provided by a pump 56, which is connected via a maintenance unit 57 to the pressure regulator 54. From the pressure regulator 54, the compressed air to the valves 51.1 - 51.4 is given via a connection 58, which according to the two-way circuit, the compressed air through the rotary unions 42.1 - 42.4 to the working cylinder 38, 39 continues.
  • the drive of the drums 23, 31, 32 is synchronized by means of the control device 18, wherein a rotary encoder 59 on the axis 24 serves to output the current speed or the current rotation angle ⁇ of the drum 23 to the control device 18 and to the computer 50 ,
  • the invention is not limited to the embodiment described.
  • An automated control of the gripper movements can also be made for the grippers 35 to 37 of the drums 31 to 32.
  • pneumatic control elements instead of pneumatic control elements and electrical or electromagnetic control elements can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Steuern eines Anlegers einer Sammelheftmaschine nach dem Oberbegriff des Anspruchs 1.The invention relates to a method for controlling an investor of a saddle stitching machine according to the preamble of claim 1.

Aus der Auslegeschrift DE 1 100 043 ist ein Greifer für eine Buchbindereimaschine zum Erfassen und Festhalten von Bogen bekannt, dessen Schließbewegung durch Betätigen eines pneumatischen Arbeitszylinders eingeleitet wird. Wird der Arbeitszylinder unter Vakuum gesetzt oder mit Druckluft beaufschlagt, dann wird ein an einer Kolbenstange befestigter Greiferfinger entgegen der Kraft einer Feder angezogen. Die Druck- oder Saugluft wird dem Arbeitszylinder über ein Steuerventil zugeführt, das mit einer verstellbaren Nockenscheibe so gesteuert wird, dass die Greiferkraft geregelt ist. Eine Nockenscheibe hat entsprechend der Nockenkurve eine feste Stellcharacteristik. Zur Verstellung der Nockenscheibe sind in der Auslegeschrift keine Details offenbart.From the layout DE 1 100 043 is a gripper for a bookbinding machine for detecting and holding bow known whose closing movement is initiated by operating a pneumatic cylinder. If the working cylinder is placed under vacuum or pressurized with compressed air, then a gripper finger attached to a piston rod is tightened against the force of a spring. The pressure or suction air is supplied to the working cylinder via a control valve, which is controlled with an adjustable cam so that the gripping force is regulated. A cam has a fixed Stellcharacteristik corresponding to the cam curve. To adjust the cam disc no details are disclosed in the patent application.

Bei Druckmaschinen ist es auch aus der DE 42 21 929 C2 bekannt, die Bewegung von mit einer Trommel verbundenen Greifern mit einem Rechner zu steuern, so dass eine schnelle Anpassung an sich ändernde Betriebsbedingungen möglich und die Greiferkraft abhängig vom Bedruckstoff einstellbar ist. Die Greiferbewegungen werden mit einer pneumatischen Kolben-Zylindereinheit gesteuert, wobei mit Hilfe eines Wegmesssystems abhängig vom Drehwinkel der Trommel die Stellposition des Kolbens durch einen Soll/Ist-Vergleich geregelt wird. In der Schrift ist nicht näher ausgeführt, welche Bedruckstoff-Kenngrößen bei einer Berechnung von Stellpositionen des Kolbens eine Rolle spielen.In printing machines, it is also from the DE 42 21 929 C2 It is known to control the movement of grippers connected to a drum with a computer, so that a quick adaptation to changing operating conditions is possible and the gripper force can be adjusted depending on the printing material. The gripper movements are controlled by a pneumatic piston-cylinder unit, wherein the position of the piston is controlled by a target / actual comparison with the aid of a displacement measuring system depending on the rotation angle of the drum. The specification does not specify in detail which printing stock parameters play a role in a calculation of setting positions of the piston.

Ein in der DE 197 52 017 A1 beschriebener Sammelhefter umfasst mehrere Falzbogenanleger. Die Drehgeschwindigkeit der Trommeln eines Anlegers kann abhängig von der Papierqualität verzögert oder beschleunigt werden, wobei die Geschwindigkeit einer Sammelkette gleichförmig ist.An Indian DE 197 52 017 A1 described saddle stitcher comprises a plurality of folded sheet feeder. The rotational speed of the drums of an investor may be delayed or accelerated depending on the paper quality, the speed of a gathering chain being uniform.

Aus der DE 198 41 265 A1 geht hervor, in einem Anleger eines Sammelhefters Sensoren vorzusehen, die Länge und Breite der Falzbogen erfassen. Anhand der Sensorsignale kann ein Registeranschlag automatisch eingestellt werden. Die den Falzbogen während eines Förderns haltenden Greifer werden herkömmlich mittels eines Kurvengetriebes betätigt.From the DE 198 41 265 A1 goes on to provide in an investor of a saddle stitcher sensors that detect the length and width of the signatures. Based on the sensor signals, a register stop can be set automatically. The gripper holding the folded sheet during conveying are conventionally operated by means of a cam gear.

Aufgabe der Erfindung ist es, ein Verfahren zum Steuern eines Anlegers einer Sammelheftmaschine anzugeben, welches den Bedienaufwand beim Einstellen des Anlegers verringert, welches die Zuverlässigkeit beim Auflegen von Falzbogen auf eine Transportvorrichtung erhöht und welches die Qualität beim Zusammentragen und Heften verbessert.The object of the invention is to provide a method for controlling an investor a saddle stitching machine, which reduces the operating effort when adjusting the investor, which increases the reliability when placing folded sheets on a transport device and which improves the quality of collating and stapling.

Die Aufgabe wird mit einem Verfahren gelöst, welches die Merkmale nach Anspruch 1 aufweist. Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen.The object is achieved by a method having the features of claim 1. Advantageous embodiments emerge from the subclaims.

Gemäß der Erfindung werden beim Steuern eines Anlegers einer Sammelheftmaschine die Öffnungs- bzw. Schließzeitpunkte von Greifern programmgesteuert, stufenlos und formatabhängig geregelt. Hierzu werden in einer Steuereinrichtung Daten zu den Abmessungen und zur Seitenzahl der Falzbogen eingegeben, aus denen Stellsignale für Stellglieder der Greifer generiert werden. Durch die automatisierte Vereinzelung von Falzbogen ist es möglich, die Schalt- und Reaktionszeiten produktbezogen zu variieren. Beim Einsatz von pneumatischen Steuerungen kann die Zahl der mechanischen Bauteile verringert werden, so dass geringe Herstellungskosten entstehen. Durch eine geringe Zahl von mechanischen Verschleißstellen wird die Zuverlässigkeit des Anlegers verbessert. Markierungen an den Falzbogen können vermieden werden, indem die Greifkräfte variabel eingestellt werden.According to the invention, when controlling an investor of a saddle stitching machine, the opening and closing times of grippers are controlled program-controlled, stepless and format-dependent. For this purpose, data about the dimensions and the page number of the signatures are entered in a control device, from which control signals for actuators of the gripper are generated. Due to the automated separation of folded sheets, it is possible to vary the switching and reaction times in relation to the product. When using pneumatic controls, the number of mechanical components can be reduced, resulting in low manufacturing costs. A small number of mechanical wear points improves the reliability of the investor. Markings on the folded sheet can be avoided by the gripping forces are variably adjusted.

Die Erfindung soll nachstehend anhand eines Ausführungsbeispieles erläutert werden, es zeigen:

  • Fig. 1: ein Schema einer Sammelheftmaschine mit mehreren Anlegern,
  • Fig. 2: eine Schnittdarstellung durch einen Anleger,
  • Fig. 3: eine Vereinzelungstrommel mit pneumatischen Arbeitszylindern,
  • Fig. 4: ein mit Arbeitszylindern betätigtes Greiferpaar einer Vereinzelungstrommel,
  • Fig. 5: Falzbogen und deren Abmessungen, und
  • Fig. 6: ein Schema einer Steuereinrichtung für einen Anleger.
The invention will be explained below with reference to an exemplary embodiment, in which:
  • Fig. 1 : a scheme of a booklet stitcher with multiple investors,
  • Fig. 2 : a sectional view through a feeder,
  • Fig. 3 a singling drum with pneumatic working cylinders,
  • Fig. 4 : a gripper pair of a singling drum operated with working cylinders,
  • Fig. 5 : Folded sheet and its dimensions, and
  • Fig. 6 a scheme of a control device for a feeder.

Eine in Fig. 1 dargestellte Sammelheftmaschine umfasst unter anderem drei in Produktionsrichtung 1 nacheinander angeordnete Anleger 2 - 4, eine Heftstation 5 und einen Querförderer 6. Die in den Anlegern 2 - 4 vereinzelten Falzbogen 7 - 9 werden auf einer endlos umlaufenden Sammelkette 10 rittlings übereinander gelegt und zur Heftstation 5 befördert. In der Heftstation 5 werden die zusammengetragenen Falzbogen 7 - 9 durch eine Rückstichdrahtheftung miteinander verbunden. Nach dem Querförderer 6 erhalten die miteinander verbundenen Falzbogen 7 - 9 eine neue Produktionsrichtung 11 zum Weitertransport an einen Trimmer.An in Fig. 1 The saddle stitching machine shown comprises, inter alia, three feeders 2 - 4 arranged one after the other in the direction of production 1, a stitching station 5 and a cross conveyor 6. The folded sheets 7 - 9 separated in the feeders 2 - 4 are stacked one above the other on an endlessly circulating gathering chain 10 and reach the stitching station 5 promoted. In the stitching station 5, the folded folded sheets 7 - 9 are connected to each other by a stitch-stitching. After the transverse conveyor 6, the interconnected folded sheets 7 - 9 receive a new production direction 11 for further transport to a trimmer.

Wie aus der Schnittdarstellung des Anlegers 3 in Fig. 2 hervorgeht, liegen Falzbogen 7 übereinander gestapelt in einem Magazin 12. Der Boden des Magazins 12 liegt geneigt zur Horizontalen. Die Falzbogen 7 liegen mit den gefalzten Vorderkanten an einer Registerschiene 13 und mit den Seitenkanten an Seitenkantenanschlägen 14 an. Die Seitenanschläge 14 sind mit einem Motor 15 und einem Spindeltrieb 16 in Richtung 17 senkrecht zur Blattebene auf die Rückenlänge L der Falzbogen 7 einstellbar. Der Motor 15 steht mit einer Steuereinrichtung 18 in Verbindung.As from the sectional view of the investor 3 in Fig. 2 As can be seen, folded sheets 7 are stacked in a magazine 12. The bottom of the magazine 12 is inclined to the horizontal. The folded sheets 7 lie with the folded leading edges on a register rail 13 and with the side edges of side edge stops 14 at. The side stops 14 are adjustable with a motor 15 and a spindle drive 16 in the direction 17 perpendicular to the page plane on the back length L of the signatures 7. The motor 15 is connected to a control device 18 in connection.

Zum Vereinzeln der Falzbogen 7 von der Unterseite des Falzbogenstapels sind unterhalb einer Öffnung 19 im Boden des Magazins 12 Sauggreifer 20 angeordnet. Die Sauggreifer 20 sind an einer Hohlwelle 21 befestigt und im Vereinzelungstakt um die Achse der Hohlwelle 21 schwenkbar.For separating the folded sheets 7 from the bottom of the folded sheet stack 12 suction pad 20 are arranged below an opening 19 in the bottom of the magazine. The suction pads 20 are attached to a hollow shaft 21 and pivoting about the axis of the hollow shaft 21 in the separation cycle.

In Fig. 2 ist eine Situation dargestellt, bei der ein vereinzelter Falzbogen 7.1 aus den Sauggreifern 20 in mechanische Greifer 22 einer Vereinzelungstrommel 23 übergeben wurde. Die Vereinzelungstrommel 23 rotiert um ihre Achse 24 in Richtung 25. Ein dem vereinzelten Falzbogen 7.1 vorausgehender Falzbogen 7.2 ist in weiteren mechanischen Greifern 26 der Vereinzelungstrommel 23 gehalten. Die Greifer 26 liegen bezüglich der Achse 24 diametral zu den Greifern 22.In Fig. 2 a situation is shown in which a single folded sheet 7.1 was transferred from the suction pads 20 in mechanical gripper 22 a singling drum 23. The singling drum 23 rotates about its axis 24 in the direction 25. A folding sheet 7. 2 preceding the singled fold sheet 7. 1 is held in further mechanical grippers 26 of the singling drum 23. The grippers 26 are diametrically opposed to the grippers 22 with respect to the axis 24.

Bei einer weiteren Drehung der Vereinzelungstrommel 23 in Richtung 25 gelangt der Falzbogen 7.2 mit seiner Vorderkante gegen einen taschenförmigen Anschlag 27. Der Anschlag 27 ist entsprechend den Falzbogenbreiten B1, B2 mit einem Motor 28 und einem Getriebe 29 in Richtung 30 um die Achse 24 verschwenkbar. Der Motor 28 ist mit der Steuereinrichtung 8 verbunden.In a further rotation of the singling drum 23 in the direction 25 of the folded sheet reaches 7.2 with its front edge against a pocket-shaped stop 27. The stop 27 is corresponding to the folded sheet widths B1, B2 with a motor 28 and a gear 29 in the direction 30 about the axis 24 pivotally. The motor 28 is connected to the controller 8.

Unterhalb der Vereinzelungstrommel 23 sind zwei weitere Trommeln 31, 32 angeordnet, die sich gegenläufig in Richtung der Pfeile 33, 34 drehen. Fig. 2 zeigt eine Situation, in der ein dem Falzbogen 7.2 vorausgehender Falzbogen 7.3 mittels der Trommeln 31, 32 geöffnet wird. Während der Falzbogen 7.3 mit seiner Vorderkante gegen den Anschlag 27 lag, wurden die an der Vereinzelungstrommel 23 nachlaufenden Enden des Falzbogens 7.3 von Doppelgreifern 35, 36 der Trommel 31 erfasst. Der Vorfalz des Falzbogens 7.3 wurde aus den Deckgreifern 36 an die Greifer 37 der Öffnertrommel 32 übergeben. Der Falzbogen 7.3 wird an den Enden auseinandergezogen und über der Sammelkette 10 fallengelassen. Der Falzbogen 7.3 legt sich über einen Falzbogen 7.4, der mittels des Anlegers 2 bereits auf die Sammelkette 10 gelegt wurde.Below the singling drum 23, two further drums 31, 32 are arranged, which rotate in opposite directions in the direction of the arrows 33, 34. Fig. 2 shows a situation in which a folding sheet 7.3 preceeding folded sheet 7.3 is opened by means of the drums 31, 32. While the folded sheet was 7.3 with its front edge against the stop 27, the trailing at the separating drum 23 ends of the folding sheet 7.3 of double grippers 35, 36 of the drum 31 were detected. The prefold of the folding sheet 7.3 was transferred from the top grippers 36 to the gripper 37 of the opener drum 32. The folded sheet 7.3 is pulled apart at the ends and dropped over the gathering chain 10. The folded sheet 7.3 lays over a folded sheet 7.4, which has already been placed on the gathering chain 10 by means of the investor 2.

Die Figuren 3 und 4 zeigen eine pneumatische Steuerung der Bewegung der Greifer 22, 26 der Vereinzelungstrommel 23. Die Vereinzelungstrommel 23 besteht aus zwei Trommelscheiben 23.1, 23.2, die drehfest auf der hohlen Achse 24 sitzen. Zwischen den Scheiben 23.1, 23.2 sind pneumatische Arbeitszylinder 38, 39 angeordnet, von denen jeweils zwei pneumatische Steuerleitungen 40.1 - 40.4 zu Kanälen 41.1 - 41.4 im Inneren der Achse 24 führen. Die Druckluftzuführung für die Arbeitszylinder 38, 39 geschieht über Drehdurchführungen 42.1 - 42.4, jeweils am Ende eines Kanals 41.1 - 41.4. Die Arbeitskolbenstangen 43, 44 der Arbeitszylinder 38, 39 sind mit Hebeln 45.1, 45.2, 46.1, 46.2 verbunden, welche drehfest an den Greiferwellen 47.1, 47.2, 48.1, 48.2 der Greifer 22, 26 sitzen. An jeder Scheibe 23.1, 23.2 befindet sich ein Greiferpaar 22.1, 26.1; 22.2, 26.2. Beim Ein- und Ausfahren der Kolbenstangen 43, 44 aus den Arbeitszylindern 38, 39 werden die Greiferwellen 47, 48 mit einem Drehmoment beaufschlagt, das ein Schließen bzw. Öffnen der Greifer 22, 26 bewirkt.The Figures 3 and 4 show a pneumatic control of the movement of the grippers 22, 26 of the singling drum 23. The singling drum 23 consists of two drum discs 23.1, 23.2, the rotationally fixed on the hollow shaft 24 sit. Between the discs 23.1, 23.2 pneumatic working cylinders 38, 39 are arranged, of which two pneumatic control lines 40.1 - 40.4 lead to channels 41.1 - 41.4 in the interior of the axis 24. The compressed air supply for the working cylinder 38, 39 via rotary unions 42.1 - 42.4, respectively at the end of a channel 41.1 - 41.4. The working piston rods 43, 44 of the working cylinder 38, 39 are connected to levers 45.1, 45.2, 46.1, 46.2, which non-rotatably on the gripper shafts 47.1, 47.2, 48.1, 48.2 of the gripper 22, 26 sit. At each disc 23.1, 23.2 is a pair of grippers 22.1, 26.1; 22.2, 26.2. When retracting and extending the piston rods 43, 44 from the working cylinders 38, 39, the gripper shafts 47, 48 acted upon by a torque which causes a closing or opening of the gripper 22, 26.

Ein Öffnen und Schließen der Greifer 22, 26 geschieht abhängig von den Abmessungen und der Seitenzahl n der Falzbogen 7. Je nachdem, ob es sich um einen Nachfalzbogen NF mit B1<B2 (Fig. 5.1), einen Vorfalzbogen VF mit B1>B2 (Fig. 5.2) oder um einen Falzbogen mit gleichen Falzbreiten mit B1=B2 (Fig. 5.3) handelt, werden die in Fig. 5 dargestellten Abmessungen berücksichtigt. Weitere abmessungsbezogene Daten sind die Bogendicke d und die Grammatur G.An opening and closing of the grippers 22, 26 is done depending on the dimensions and the page number n of the signatures 7. Depending on whether it is a Nachfalzbogen NF with B 1 <B 2 ( Fig. 5.1 ), a prefold arch VF with B 1 > B 2 ( Fig. 5.2 ) or a folded sheet with the same fold widths with B 1 = B 2 ( Fig. 5.3 ), the in Fig. 5 taken into account dimensions. Further dimensional data are the sheet thickness d and the grammage G.

Anhand des in Fig. 6 dargestellten Schemas soll nachstehend die Durchführung des Verfahrens beschrieben werden:

  • Die Steuereinrichtung18 umfasst unter anderem ein Eingabegerät 49 für Bedienereingaben, welches mit einem Rechner 50 verbunden ist. Der Rechner 50 enthält einen Speicher für Bedienereingaben zu folgenden Größen: Bogenbreite B1, Bogenbreite B2, Rückenlänge L Grammatur G, Anzahl n der Seiten, die Falzart wie Nachfalzbogen NF, Vorfalzbogen VF oder Saugerbogen Fsaug, und Soll-Druck psoll.
Based on the in Fig. 6 Schemes are described below the implementation of the method:
  • The control device 18 comprises inter alia an input device 49 for operator inputs, which is connected to a computer 50. The calculator 50 contains a memory for operator input to the following sizes: sheet width B 1 , sheet width B 2 , back length L weight G, number n of pages, the type of folding as Nachfalzbogen NF, Vorfalzbogen VF or Saugerbogen F suction , and target pressure p soll .

In Rechner 50 werden die eingegebenen Größen verarbeitet und führen zu einer Voreinstellung verschiedener Elemente in den Anlegern 2 - 4. Aus der Rückenlänge L ergibt sich eine Voreinstellung der Seitenanschläge 14 am Magazin 12 mit dem Motor 15. Die Bogenbreite B2 führt zu einer Voreinstellung des Registeranschlages 27 mit dem Motor 28 und des. Greiferöffnungswinkels αö der Greifer 22, 26 an der Vereinzelungstrommel 23. Beide Bogenbreiten B1, B2 werden verwendet, um die Greiferschließwinkel αs der Greifer 35 - 37 an den Trommeln 31, 32 voreinzustellen. Die Rückenlänge L, die Bogenbreiten B1, B2 und die Bogendicke d ergeben eine Voreinstellung einer Dickenkontrolleinrichtung, eines Drahtvorschubes und eines Klinscherwerkzeuges der Heftstation 5 und einer Höhe eines Schrittbandes. Anhand der Bogendicke d werden die Greifkräfte F der Greifer 22, 26 der Vereinzelungstrommel 23 voreingestellt. Der vorgegebene Solldruck psoll hat Einfluß bei der Voreinstellung der Greifkraft F und der Schaltzeit tschalt von Zweiwegeventilen 51.1 - 51.4, die mit den Drehdurchführungen 42.1 - 42.4 verbunden sind. Die Schaltzeit tschalt der Ventile 51.1 - 51.4 ist steuerbar, wozu eine Verbindung 52 zwischen den Ventilen 51.1 - 51.4 und dem Rechner 50 besteht.In calculator 50, the entered sizes are processed and lead to a default of various elements in the investors 2-4. From the back length L results in a default setting of the side stops 14 on the magazine 12 with the motor 15. The sheet width B 2 leads to a default of Register stop 27 with the motor 28 and the gripper opening angle α ö of the grippers 22, 26 on the singling drum 23. Both sheet widths B 1 , B 2 are used to pre- set the gripper closing angles α s of the grippers 35 - 37 on the drums 31, 32. The back length L, the bow widths B 1 , B 2 and the arch thickness d provide a presetting of a thickness control device, a wire feed and a clincher tool of the stitching station 5 and a height of a crotch band. Based on the sheet thickness d, the gripping forces F of the grippers 22, 26 of the singling drum 23 are preset. The predetermined target pressure p should have influence in setting the gripping force F and the shift time t of switching two-way valves 51.1 - 51.4, with the rotary lead-throughs 42.1 - 42.4 are connected. The switching time t switching of the valves 51.1 - 51.4 is controlled, to which a connection 52 between the valves 51.1 - 51.4 and the computer 50 is made.

Der Druck-Sollwert psoll wird über eine Verbindung 53 vom Rechner 50 an einen Druckregler 54 übermittelt. Der Druck-Istwert pist wird vom Druckregler 54 über eine Verbindung 55 an den Rechner 50 übermittelt, wo laufend ein Vergleich mit dem Druck-Sollwert psoll stattfindet. Stimmen Druck-Sollwert psoll und Druck-Istwert pist überein, bleibt die Schaltzeit tschalt konstant. Ist pist > psoll, wird die für diesen Ist-Druck pist erforderliche Schaltzeit tschalt an die Ventile 51.1 bis 51.4 weitergegeben. Weiterhin wird die Information, den Druck psoll zu senken, an den Druckregler 54 übermittelt. Ist pist < psoll, dann wird ebenfalls die für diesen Druck pist erforderliche Schaltzeit tschalt an die Ventile 51.1 - 51.4 übermittelt und die Information, den Druck auf psoll zu erhöhen, an den Druckregler 54 weiter gegeben. Mit Hilfe des Druckreglers 54 und der Rückmeldung von pist kann gewährleistet werden, dass die zur Bogenvereinzelung notwendigen Greiferöffnungswinkel und Greiferschließwinkel ständig konstant bleiben.The pressure setpoint p soll is transmitted via a connection 53 from the computer 50 to a pressure regulator 54. The actual pressure value p ist is transmitted from the pressure regulator 54 via a connection 55 to the computer 50, where a comparison with the pressure setpoint p soll is continuously taking place. Votes pressure value p set and actual pressure value p is consistent, the switching time is t switching constant. If p> p should be is this actual pressure p required switching time t switching to the valves 51.1 to 51.4 passed. Furthermore, the information to lower the pressure p soll is transmitted to the pressure regulator 54. If p is <p set, then also is for this pressure p required switching time t switching to the valves 51.1 - 51.4 transmitted and the information on the pressure p set to increase, passed on the pressure regulator 54th By means of the pressure regulator 54 and the feedback from p it is possible to ensure that the gripper opening angles and gripper closing angles necessary for sheet separation remain constantly constant.

Zusätzlich zu dem programmgemäß errechneten psoll ist vorgesehen, dass ein Bediener jederzeit während des Betriebes für jeden Anleger 2 - 4 einzeln den gewünschten Überdruck psoll manuell vorgeben kann, ohne die laufende Produktion zu stören. Nach dem manuellen Eingriff erfolgt wieder der reguläre Soll-Istvergleich zwischen psoll und pist.In addition to the p calculated according to the program , it is provided that an operator can specify the desired overpressure p soll individually at any time during operation for each feeder 2 - 4 without disturbing the current production. After the manual intervention, the regular nominal-actual comparison between p soll and p is again carried out .

Alle Einstellungen bzw. Veränderungen werden im Rechner 50 gespeichert. Bei identischen Folgeaufträgen können diese Daten aufgerufen werden. Dies reduziert die Einrichtzeit, so dass die Betriebskosten gesenkt werden.All settings or changes are stored in the computer 50. For identical follow-up jobs, this data can be called up. This reduces set-up time, reducing operating costs.

Die Druckluft zum Betätigen der Greifer 22, 26 wird von einer Pumpe 56 bereit gestellt, die über eine Wartungseinheit 57 mit dem Druckregler 54 verbunden ist. Vom Druckregler 54 wird über eine Verbindung 58 die Druckluft an die Ventile 51.1 - 51.4 gegeben, welche entsprechend der Zwei-Wege-Schaltung die Druckluft über die Drehdurchführungen 42.1 - 42.4 an die Arbeitszylinder 38, 39 weiter gibt. Der Antrieb der Trommeln 23, 31, 32 erfolgt synchronisiert mittels der Steuereinrichtung 18, wobei ein Drehgeber 59 an der Achse 24 dazu dient, die aktuelle Drehzahl bzw. den aktuellen Drehwinkel α der Trommel 23 an die Steuereinrichtung 18 bzw. an den Rechner 50 auszugeben.The compressed air for actuating the grippers 22, 26 is provided by a pump 56, which is connected via a maintenance unit 57 to the pressure regulator 54. From the pressure regulator 54, the compressed air to the valves 51.1 - 51.4 is given via a connection 58, which according to the two-way circuit, the compressed air through the rotary unions 42.1 - 42.4 to the working cylinder 38, 39 continues. The drive of the drums 23, 31, 32 is synchronized by means of the control device 18, wherein a rotary encoder 59 on the axis 24 serves to output the current speed or the current rotation angle α of the drum 23 to the control device 18 and to the computer 50 ,

Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt. Eine automatisierte Steuerung der Greiferbewegungen kann auch für die Greifer 35 bis 37 der Trommeln 31 bis 32 vorgenommen werden. Anstelle von pneumatischen Stellelementen können auch elektrische bzw. elektromagnetische Stellelemente zum Einsatz kommen.The invention is not limited to the embodiment described. An automated control of the gripper movements can also be made for the grippers 35 to 37 of the drums 31 to 32. Instead of pneumatic control elements and electrical or electromagnetic control elements can be used.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Produktionsrichtungproduction direction
2-42-4
Anlegerinvestor
55
Heftstationfinisher
66
Querförderercross conveyor
7-97-9
Falzbogensignatures
1010
Sammelkettecollecting chain
1111
Produktionsrichtungproduction direction
1212
Magazinmagazine
1313
Registerschieneregister rail
1414
Seitenanschlagside stop
1515
Motorengine
1616
Spindeltriebspindle drive
1717
Richtungdirection
1818
Steuereinrichtungcontrol device
1919
Öffnungopening
2020
SauggreiferSuction pads
2121
Hohlwellehollow shaft
2222
Greifergrab
2323
Vereinzelungstrommelseparator drum
2424
Achseaxis
2525
Richtungdirection
2626
Greifergrab
2727
Anschlagattack
2828
Motorengine
2929
Getriebetransmission
3030
Richtungdirection
31, 3231, 32
Trommeldrum
33, 3433, 34
Pfeilarrow
35, 3635, 36
Doppelgreiferdouble gripper
3737
Greifergrab
38, 3938, 39
Arbeitszylinderworking cylinder
4040
Steuerleitungcontrol line
4141
Kanalchannel
4242
DrehdurchführungRotary union
43, 4443, 44
Kolbenstangepiston rod
45, 4645, 46
Hebellever
47, 4847, 48
Greiferwellegripper shaft
4949
Eingabegerätinput device
5050
Rechnercomputer
5151
VentilValve
52, 5352, 53
Verbindungconnection
5454
Druckreglerpressure regulator
5555
Verbindungconnection
5656
Pumpepump
5757
Wartungseinheitmaintenance unit
5858
Verbindungconnection
5959
Drehgeberencoders

Claims (5)

  1. Method for controlling a feeder of a saddle stitching machine, wherein signatures (7-9) are individually separated one after another, by means of at least one gripper (22, 26, 35-37), from a stack of a magazine (12) and are laid on a transport device (10), wherein opening and closing of the gripper (22, 26) and actuating of a stitcher (5) is remotely controlled by control signals of a control device (18, 50), characterised in that the control signals are generated from data regarding the dimensions and the page count of the signatures (7-9).
  2. Method according to claim 1, characterised in that before actuation of the gripper (22, 26), at least one of the following data regarding the signatures (7-9) is input into the control device (18, 50): the spine length (L), the sheet width (B), the sheet widths (B1, B2) when a low folio lap or a high folio lap is used, the grammage (g), the number (n) of pages.
  3. Method according to claim 1, characterised in that at least one of the following variables is controlled or regulated: the gripper opening position (αö), the gripper closing position (αs), the gripper closing force (F), the position of magazine side stops (14), the target value setting of a thickness measuring device for gathered signatures (7-9), the wire feed rate of the stitching apparatus (5), the movement of clinchers of the stitching apparatus (5) for bending over wire stitches.
  4. Method according to claim 1, characterised in that, on use of a gripper (22, 26) fastened to a circulating member (23), the control signals are additionally generated from signals of a rotary encoder (59), the output signals of which give the rotary position of the circulating member (23).
  5. Method according to claim 1, characterised in that, for actuating the gripper (22, 26), at least one pneumatically controllable working cylinder (38, 39) is used.
EP12193360.0A 2011-12-14 2012-11-20 Method for controlling a saddle stitching machine feeder Not-in-force EP2604438B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011120994A DE102011120994A1 (en) 2011-12-14 2011-12-14 Method of controlling an investor of a saddle stitcher

Publications (3)

Publication Number Publication Date
EP2604438A2 EP2604438A2 (en) 2013-06-19
EP2604438A3 EP2604438A3 (en) 2014-01-22
EP2604438B1 true EP2604438B1 (en) 2015-06-03

Family

ID=47278145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12193360.0A Not-in-force EP2604438B1 (en) 2011-12-14 2012-11-20 Method for controlling a saddle stitching machine feeder

Country Status (5)

Country Link
US (1) US9415969B2 (en)
EP (1) EP2604438B1 (en)
JP (1) JP6253229B2 (en)
CN (1) CN103158388B (en)
DE (1) DE102011120994A1 (en)

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DE102015226322B4 (en) * 2015-12-21 2020-11-19 Koenig & Bauer Ag Delivery for a sheet processing machine and method for depositing sheets

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Also Published As

Publication number Publication date
US9415969B2 (en) 2016-08-16
US20130154177A1 (en) 2013-06-20
JP2013123918A (en) 2013-06-24
CN103158388B (en) 2017-06-16
EP2604438A2 (en) 2013-06-19
CN103158388A (en) 2013-06-19
DE102011120994A1 (en) 2013-06-20
JP6253229B2 (en) 2017-12-27
EP2604438A3 (en) 2014-01-22

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