EP0829332A1 - Dispositif pour la coupe de matériau en feuille - Google Patents

Dispositif pour la coupe de matériau en feuille Download PDF

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Publication number
EP0829332A1
EP0829332A1 EP97113806A EP97113806A EP0829332A1 EP 0829332 A1 EP0829332 A1 EP 0829332A1 EP 97113806 A EP97113806 A EP 97113806A EP 97113806 A EP97113806 A EP 97113806A EP 0829332 A1 EP0829332 A1 EP 0829332A1
Authority
EP
European Patent Office
Prior art keywords
saddle
feed saddle
feed
switch
goods
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.)
Granted
Application number
EP97113806A
Other languages
German (de)
English (en)
Other versions
EP0829332B1 (fr
Inventor
Horst Schneider
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.)
Adolf Mohr Maschinenfabrik GmbH and Co KG
Original Assignee
Adolf Mohr Maschinenfabrik GmbH and Co KG
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 Adolf Mohr Maschinenfabrik GmbH and Co KG filed Critical Adolf Mohr Maschinenfabrik GmbH and Co KG
Publication of EP0829332A1 publication Critical patent/EP0829332A1/fr
Application granted granted Critical
Publication of EP0829332B1 publication Critical patent/EP0829332B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • B26D7/016—Back gauges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting

Definitions

  • the invention relates to a device for cutting stacked, leafy goods, with a table for receiving the goods, a knife for cutting the goods, a press bar that can be lowered onto the goods and a motor-driven feed saddle for moving the goods in the direction of the knife, as well as with an electronic display device for displaying the position of the feed saddle in a display field and with an electronic correction device for correcting the position of the feed saddle, the correction device having a rotary pulse generator with a switch which can be actuated manually by means of an actuating part, and an evaluation unit which is controlled by the latter and which drives the Drives the feed saddle, wherein the rotary pulse generator is also activated in a first position of the switch and a different direction-related deflection of the control element causes a different direction-related travel speed of the feed saddle, and the rotary pulse generator is deactivated in a second switching position of the switch.
  • Such a device is known from practice. It uses a so-called electronic handwheel to correct the position of the feed saddle.
  • the feed dimension must be corrected in all those cases in which the feed saddle has not reached its exact position, be it due to automatic or manual control of the drive of the feed saddle.
  • In the automatic mode of the device as a rule, less correction is to be carried out than in manual mode, in which the instructions are made directly by the operator.
  • the task of the feed saddle is to advance the material to be cut. If, for whatever reason, the feed saddle has advanced the item to be cut too far, i.e. beyond its cutting position, there is no possibility of taking the item to be cut back when the feed saddle is retracted, but this must be done by the operator who is carrying the item pushes against the retracted feed saddle or presses the goods against it when retracting the feed saddle.
  • the disadvantage of the known electronic handwheel is that the operator does not know exactly at what speed the feed saddle is moved forwards or backwards because due to the electronic coupling of the control element seized by him via the rotary encoder with switch, there is no mechanical connection to the drive of the feed saddle.
  • the operator activates the switch, with which the evaluation unit detects the start position of the control element, and it then represents the deflection of the control element, and thus the rotary pulse generator, a reference variable for the respective direction-related travel speed of the feed saddle If the operator adjusts the control element by one detent, the encoder generates an increment that is recorded by a counter module.
  • the evaluation unit reads this result with software and controls, taking into account the direction of rotation of the rotary pulse generator, the drive of the feed saddle, for example at the speed represented by the reference variable +1.
  • This reference value corresponds to a very low travel speed of the feed saddle in the direction of the cutting knife. If the control element is rotated more, for example that two increments are generated and recorded by the counter module, this means that the feed saddle is moved at the speed +2, which preferably corresponds to twice the speed. If the actuator were deflected in the opposite direction, for example to the value -3, this would require a travel speed three times the value 1, but in a different direction away from the knife.
  • a state of the non-switched switch which means the non-depressed control element, means that the counter module is zeroed, so that the zero position of the rotary pulse generator is independent of the position of the control element. Due to this mechanical decoupling of the actuator and drive of the feed saddle, it is difficult for the operator to move to the desired position of the feed saddle.
  • the object of the invention is to make it easier for the operator of the cutting device to approach the correction position of the feed saddle despite the electronic decoupling of the actuating part from the drive of the feed saddle.
  • the object is achieved in a device of the type mentioned above in that when the position of the feed saddle is corrected, the speed of travel of the feed saddle is displayed directly or indirectly in the display field and in a direction-related manner. The operator can see on the display panel at what speed and in which direction the feed caliper is moving. In addition, the position of the feed saddle is shown in the display field, so that it is easily possible to estimate whether it can bring about the correction due to a relatively large difference between the target and actual position of the feed saddle at a relatively high traversing speed, or whether it can only do so is possible with a relatively low travel speed because the actual value of the feed saddle differs only slightly from the setpoint.
  • a graphic representation of the direction-related travel speed of the feed saddle appears in relation to the zero travel speed of the feed saddle. Based on this reference level, the operator always knows which direction-related travel speed of the feed saddle he specifies via the control element.
  • the travel speed of the feed saddle is expediently shown in a circular display, with the zero position of the travel speed at the top of the display and travel speeds with a feed movement of the saddle to the right of the zero position, and travel speeds when the saddle is returned to the left. It is not necessary for the speeds to be displayed immediately, it is sufficient if the operator receives the information that he has set the speed level 1, 2, 3 etc. with the additional information regarding the direction in the sense of "moving saddle towards the knife "or” .... away from the knife ".
  • the software is preferably designed in such a way that it does not implement large travel speed levels, for example those that go beyond three levels in each travel direction, in the state of automatic operation, but rather a maximum of three levels of, for example, eight in manual operation.
  • FIG. 1 illustrates the basic structure of the cutting machine 1 for cutting not shown, stacked, leafy material, seen from the operator side.
  • the cutting machine 1 has a stand 2 with an upper portal frame 3, and also a table 4, the table surface 4a of which extends perpendicular to the plane of the sheet.
  • a knife 5 which can be lowered and raised, behind which a press bar (not visible in this view) is also mounted and lowered in the portal frame 3.
  • the knife 5 and the portal frame can be moved in planes parallel to the sheet plane.
  • a feed saddle 6 is provided, which serves to advance the material to be cut.
  • the operator facing side of the feed saddle 6 runs parallel to the cutting plane of the knife 5;
  • the feed saddle 6 can be moved forwards and backwards perpendicular to the sheet plane of the present FIG. 1 in the region of the rear table part 29.
  • Two light barrier grids 8 are arranged on the side of the front table part 7 and secure the knife area of the cutting machine against unauthorized handling in this area.
  • a control panel 9 with input and control buttons 10, a display panel 11 and an electronic handwheel 12 is arranged above the cutting knife 5 on the operator side of the portal frame 3.
  • FIG. 2 illustrates in a schematic representation the principle of action of the correction device used in the cutting device.
  • the control panel 9 is illustrated at the top right, the circled area of which is illustrated further to the left.
  • the display panel 11 and the electronic handwheel 12 are shown, as well as the switch 20, which is designed as a button behind the display panel 11, and the incremental rotary pulse generator 21 which interacts with it.
  • the electronic handwheel 12 is used for fine adjustment of the feed saddle 6 in the tenth and hundredths of a millimeter range .
  • the electronic switch 20 is used to detect the starting position of the electronic handwheel.
  • the mechanical direction of movement of the switch 20 is indicated by the double arrow assigned to the switch 20 in order to open or close it.
  • the setpoint value is specified via the incremental rotary pulse generator 21 on the basis of the direction of movement of the handwheel.
  • the dash-dotted line in the illustration shows that when the handwheel 12 is turned, a visual detection of the hand-held encoder position in the display field 11 is possible, the actual position of the feed saddle 6 also being shown by an actual value display 30, in the present case the saddle position value 111.111 cm.
  • the electronic switch 20 and the incremental rotary pulse generator 21 communicate with the evaluation unit 23.
  • a CPU computer card is an essential component of the computer system 23 24, a counter pulse card 25 and the table motor control management with setpoint output 26 shown.
  • the range of motion of the feed saddle 6 is indicated by double arrows.
  • the position of the spindle 27 and thus also the actual value of the feed saddle 6 is detected by means of a detection element 28, which communicates both with the counter pulse card 25 and with the table motor control management 26.
  • Position monitoring of the rotary pulse generator 21 of the feed saddle 6 thus takes place, with simultaneous detection of the target and actual values of the feed saddle.
  • the decoupling of the electronic handwheel 12 from the electromotive drive 31 of the feed saddle 6 does not allow the operator to directly assign the position of the rotary knob 15 to the set feed rate of the feed saddle 6.
  • the position of the activated rotary pulse generator 21 is therefore shown in the display field 11. This, however, only if the switch 20 is switched against the force of a spring by pressing in the rotary knob 15, whereby, as shown in FIG. 3, the point 16 of the circular display 18, which is the reference variable for the feed speed of the feed saddle 6, has a rectangular shape Mark 17 covers.
  • the feed saddle 6 moves back at a defined speed, for example with the arrow 19 in the display 18 a speed of 4 cm / sec. If the operator deflects the rotary knob 15 to such an extent that the point 16 reaches the scale value 8, the feed saddle 6 has a correspondingly higher feed speed. If the pressed rotary knob 15 is adjusted to the right such that the point 16 extends beyond the rectangular marking 17 to the right arrives, the feed saddle 6 moves forward at a speed corresponding to the respective marked position, ie in Direction of the cutting knife.
  • the operator knows how far he is from the target dimension and can therefore easily estimate whether he can approach the target dimension of the feed saddle at a higher or lower feed speed. For example, if the operator releases the rotary knob 15 in the position of the rotary knob 15 shown in FIG. 3 and thus the rotary encoder - position 4.5 - the switch is switched off and the counter module of the rotary pulse generator 21 is reset so that the evaluation unit 23 recognizing this Feed movement of the feed saddle 6 interrupts. If the rotary knob 15 is later pressed in this position, the display 18 shows the point 16 as a reference variable for the feed speed of the feed saddle in register with the rectangular marking 17. Only when the rotary knob 15 is turned does the point 16 move in the sense of the increments generated in each case be detected by the counter module, to the right or left.
  • FIG. 4 shows that the numbers 4-8 of the display 18 are not shown in the automatic operation of the cutting machine and, moreover, the evaluation unit 23 is programmed in such a way that even when the rotary knob 15 is deflected to the maximum in the sense of the embodiment according to FIG , only a feed rate of plus or minus three units is possible.
  • the feed saddle is thus fed at a lower speed in the direction of the cutting knife and away from it. The purpose is to exclude large deviations from the automatically set feed saddle position within a short time.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Control Of Cutting Processes (AREA)
  • Details Of Cutting Devices (AREA)
EP97113806A 1996-09-12 1997-08-09 Dispositif pour la coupe de matériau en feuille Expired - Lifetime EP0829332B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637027A DE19637027A1 (de) 1996-09-12 1996-09-12 Vorrichtung zum Schneiden von blättrigem Gut
DE19637027 1996-09-12

Publications (2)

Publication Number Publication Date
EP0829332A1 true EP0829332A1 (fr) 1998-03-18
EP0829332B1 EP0829332B1 (fr) 2001-07-04

Family

ID=7805334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113806A Expired - Lifetime EP0829332B1 (fr) 1996-09-12 1997-08-09 Dispositif pour la coupe de matériau en feuille

Country Status (6)

Country Link
EP (1) EP0829332B1 (fr)
JP (1) JPH10100096A (fr)
DE (2) DE19637027A1 (fr)
ES (1) ES2160290T3 (fr)
PT (1) PT829332E (fr)
SG (1) SG71040A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332847A2 (fr) * 2002-01-31 2003-08-06 Acco UK Limited Perforateur avec un indicateur d'engagement des feuilles
EP2656984A1 (fr) * 2012-04-27 2013-10-30 Adolf Mohr Maschinenfabrik GmbH & Co. KG Système de coupe avec machine à découper et un dispositif d'alignement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000094392A (ja) 1998-07-16 2000-04-04 Adolf Mohr Mas Fab Gmbh & Co Kg 積み重ねたシ―ト状の材料を切断する切断機
DE19852170C1 (de) * 1998-11-12 2000-02-24 Mohr Adolf Maschf Vorrichtung zum Schneiden von gestapeltem, blattförmigem Gut

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB741846A (en) * 1953-06-16 1955-12-14 Harris Seybold Co Improvements in or relating to a mechanism for cutting sheet material such as paper and similar material
DE940585C (de) * 1952-11-07 1956-03-22 Karl Krause Fa Schneidemaschine fuer Papier, Pappe od. dgl. mit einer Vorrichtung zum Feineinstellen des Vorschubsattels
US4331050A (en) * 1978-10-03 1982-05-25 Computerized Cutters Ltd. Control for paper cutting apparatus
US4539634A (en) * 1982-02-02 1985-09-03 Yamazaki Machiner Works, Ltd. Modification of machining program in a numerical control machine tool
EP0182515A2 (fr) * 1984-11-19 1986-05-28 Franc Gergek Commande pour massicots
EP0207175A1 (fr) * 1985-06-01 1987-01-07 Karl Mohr Machine à découper avec un dispositif de commande à ordinateur
EP0641630A1 (fr) * 1993-09-06 1995-03-08 Adolf Mohr Maschinenfabrik GmbH & Co. KG Procédé et dispositif pour la surveillance et l'enregistrement des phases de travail de machines à couper du papier
JPH0819976A (ja) * 1994-07-06 1996-01-23 Toshiba Mach Co Ltd 工作機械用ジョイスティック装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823049A1 (de) * 1978-05-26 1979-11-29 Mohr Adolf Maschf Einrichtung zur korrektur des vorschubmasses in vorrichtungen zum schneiden von papier, pappe o.dgl.
DE4422193C1 (de) * 1994-06-24 1996-03-21 Mohr Adolf Maschf Schneidverfahren für gestapeltes, blättriges Gut
DE4422194C1 (de) * 1994-06-24 1996-06-05 Mohr Adolf Maschf Schneidverfahren für gestapeltes, blättriges Gut

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940585C (de) * 1952-11-07 1956-03-22 Karl Krause Fa Schneidemaschine fuer Papier, Pappe od. dgl. mit einer Vorrichtung zum Feineinstellen des Vorschubsattels
GB741846A (en) * 1953-06-16 1955-12-14 Harris Seybold Co Improvements in or relating to a mechanism for cutting sheet material such as paper and similar material
US4331050A (en) * 1978-10-03 1982-05-25 Computerized Cutters Ltd. Control for paper cutting apparatus
US4539634A (en) * 1982-02-02 1985-09-03 Yamazaki Machiner Works, Ltd. Modification of machining program in a numerical control machine tool
EP0182515A2 (fr) * 1984-11-19 1986-05-28 Franc Gergek Commande pour massicots
EP0207175A1 (fr) * 1985-06-01 1987-01-07 Karl Mohr Machine à découper avec un dispositif de commande à ordinateur
EP0641630A1 (fr) * 1993-09-06 1995-03-08 Adolf Mohr Maschinenfabrik GmbH & Co. KG Procédé et dispositif pour la surveillance et l'enregistrement des phases de travail de machines à couper du papier
JPH0819976A (ja) * 1994-07-06 1996-01-23 Toshiba Mach Co Ltd 工作機械用ジョイスティック装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 96, no. 5 31 May 1996 (1996-05-31) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1332847A2 (fr) * 2002-01-31 2003-08-06 Acco UK Limited Perforateur avec un indicateur d'engagement des feuilles
EP1332847A3 (fr) * 2002-01-31 2004-02-18 Acco UK Limited Perforateur avec un indicateur d'engagement des feuilles
EP2656984A1 (fr) * 2012-04-27 2013-10-30 Adolf Mohr Maschinenfabrik GmbH & Co. KG Système de coupe avec machine à découper et un dispositif d'alignement
WO2013159885A1 (fr) * 2012-04-27 2013-10-31 Adolf Mohr Maschinenfabrik Gmbh & Co. Kg Système de coupe comprenant une machine de coupe et un dispositif d'orientation
US10052778B2 (en) 2012-04-27 2018-08-21 Adolf Mohr Maschinenfabrik Gmbh & Co. Kg Cutting system with cutting machine and an alignment device

Also Published As

Publication number Publication date
DE59703943D1 (de) 2001-08-09
SG71040A1 (en) 2000-03-21
DE19637027A1 (de) 1998-03-26
EP0829332B1 (fr) 2001-07-04
JPH10100096A (ja) 1998-04-21
PT829332E (pt) 2001-12-28
ES2160290T3 (es) 2001-11-01

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