EP0401619A2 - Dispositif de coupe ayant un entraînement électromécanique - Google Patents

Dispositif de coupe ayant un entraînement électromécanique Download PDF

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Publication number
EP0401619A2
EP0401619A2 EP90109960A EP90109960A EP0401619A2 EP 0401619 A2 EP0401619 A2 EP 0401619A2 EP 90109960 A EP90109960 A EP 90109960A EP 90109960 A EP90109960 A EP 90109960A EP 0401619 A2 EP0401619 A2 EP 0401619A2
Authority
EP
European Patent Office
Prior art keywords
drive
rotary knife
connecting rod
cutting device
crank
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
EP90109960A
Other languages
German (de)
English (en)
Other versions
EP0401619B1 (fr
EP0401619A3 (fr
Inventor
Horst Pfeiffer
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.)
Hengstler GmbH
Original Assignee
Hengstler GmbH
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 Hengstler GmbH filed Critical Hengstler GmbH
Priority to AT90109960T priority Critical patent/ATE103230T1/de
Publication of EP0401619A2 publication Critical patent/EP0401619A2/fr
Publication of EP0401619A3 publication Critical patent/EP0401619A3/fr
Application granted granted Critical
Publication of EP0401619B1 publication Critical patent/EP0401619B1/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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4824—With means to cause progressive transverse cutting
    • Y10T83/4827—With helical cutter blade
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4847—With cooperating stationary tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8696—Means to change datum plane of tool or tool presser stroke
    • Y10T83/8699—With adjustable stop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8798—With simple oscillating motion only
    • Y10T83/8804—Tool driver movable relative to tool support
    • Y10T83/8805—Cam or eccentric revolving about fixed axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8798—With simple oscillating motion only
    • Y10T83/8817—Axially entending cutting edge
    • Y10T83/8818—Axially progressing cut

Definitions

  • the invention relates to a cutting device for strips of material, such as paper or film tape for machine output with an electromechanical drive.
  • Such cutting devices for material strips and slightly helically twisted rotary knives and spring-loaded fixed knives according to DE-GM 87 16 108 are known.
  • the device consists of a profile body in an angular shape with an outer receiving trough for the rotary knife along one angle leg and a second angle leg as a base part for the motor mount at an angle between the two legs, the profile body being able to be cut to the desired throughput width.
  • a cutting device which can also perform partial cuts.
  • lifting knives are used, which are actuated by means of a rocker arm with an upstream tooth segment, for which an electromagnet and a number of mechanical components are required, which represents a complex solution.
  • the cutting device is characterized in that a connecting rod with curve guide and drive crank on the rotary knife is used to drive a gear with a crank mechanism, with a full or partial cut of the material strip by adjustment via the curve guide an adjusting screw in a cam leg, which lies in the direction of the connecting rod axis, can be adjusted via the drive crank of the rotary knife and its pivoting distance.
  • the cutting device for strips of material here paper strips 1 consists of the two side parts 2 and 3 with an intermediate, preferably sprung, fixed knife 4 and slightly twisted rotary knife 5 on the one hand and drive motor 6 with gear 7 and cover 8 on the other.
  • the rotary knife 5 is driven here from the transmission 7 via a crank drive 9, which drives a connecting rod 10 with cam guide 11, in which (11) a drive crank 12 of the rotary knife 5 engages.
  • the curve guide 11 has an angular shape, the cam leg lying in the direction of the connecting rod axis a-a being changeable by means of the adjusting screw 13, while the cam leg perpendicular to this extends at 14 slightly curved and the rear edge of which is somewhat curved.
  • the connecting rod 10 is lifted in its bearing on the crank mechanism 9 under spring action 18 with the ball 20 lying in a groove 19 on the crank mechanism 9 with frictional entrainment in the direction of rotation B of the crank mechanism 9 in a clockwise direction engages in the cam leg in the direction of the connecting rod axis aa and only causes a partial cut in the clockwise direction with a shortened pivoting distance of the rotary knife 5.
  • the full or partial cut is therefore dependent on the direction of rotation A or B of the crank mechanism 9 and thus of the drive motor 6, which (6) is controlled accordingly.
  • the adjusting screw 13 in the leg of the curve guide 11, which lies in the direction of the connecting rod axis a-a the pivoting distance of the rotary knife 5 and thus the desired partial cut can be adjusted via the drive crank 12.
  • crank mechanism 9 The remaining distance that the crank mechanism 9 travels to the starting position brings the rotary knife 5 back into the rest position.
  • the cam 15 slides into the recess 16 and actuates the switch 17, which switches off the motor 6, so that the cutting device is again in the rest position.
  • the drive motor 6 is activated so that the crank mechanism 9 rotates in the direction of arrow B.
  • the connecting rod 10 is raised by the friction, consisting of the spring 18 and the ball 20, so that the drive crank 12 of the rotary knife 5 comes to rest in the horizontal part of the curve guide 11 according to FIG. 5.
  • the rotary knife 5 rotates clockwise again.
  • the angle of rotation ⁇ is smaller than the angle ⁇ , due to the different position of the curve guide 11 with the step 22 of the adjusting screw 13 in relation to the drive crank 12. Due to the reduced working stroke on the rotary knife 5, the paper strip 1 is only partially cut off.
  • the cutting width can be set within wide limits on the adjusting screw 13. In the borderline case, If the upper and lower part of the curve guide 11 lie on the same vertical plane without a step, the motor 6 can make a complete cut in any direction of rotation. The motor 6 is again switched off via the cams 15 and switches 17.
  • a connecting rod with a crank on the rotary knife is used to drive a gearbox with a crank mechanism, in such a way that a certain pivoting movement thereof is predetermined and the cutting width can be adjusted by turning the fixed knife.
  • the fixed knife can also serve as a paper guide part and preferably be sprung at 13, which results in an automatic readjustment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Cutting Processes (AREA)
  • Details Of Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Nonmetal Cutting Devices (AREA)
EP90109960A 1989-06-08 1990-05-25 Dispositif de coupe ayant un entraînement électromécanique Expired - Lifetime EP0401619B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90109960T ATE103230T1 (de) 1989-06-08 1990-05-25 Abschneidvorrichtung fuer materialstreifen, wie papier- oder folienband bei maschineller ausgabe mit elektromechanischem antrieb.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918662A DE3918662A1 (de) 1989-06-08 1989-06-08 Abschneidvorrichtung fuer materialstreifen, wie papier- oder folienband bei maschineller ausgabe mit elektromechanischem antrieb
DE3918662 1989-06-08

Publications (3)

Publication Number Publication Date
EP0401619A2 true EP0401619A2 (fr) 1990-12-12
EP0401619A3 EP0401619A3 (fr) 1991-10-30
EP0401619B1 EP0401619B1 (fr) 1994-03-23

Family

ID=6382317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109960A Expired - Lifetime EP0401619B1 (fr) 1989-06-08 1990-05-25 Dispositif de coupe ayant un entraînement électromécanique

Country Status (4)

Country Link
US (1) US5001953A (fr)
EP (1) EP0401619B1 (fr)
AT (1) ATE103230T1 (fr)
DE (2) DE3918662A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033152C2 (de) * 1989-11-10 1993-10-21 Hitachi Metals Ltd Bahnmaterial-Schneidevorrichtung
JP3011305B2 (ja) * 1993-02-12 2000-02-21 矢崎総業株式会社 長尺体の切断装置
US5996457A (en) * 1997-07-15 1999-12-07 Deltronic Labs Inc. Apparatus for destruction of tickets and the like
US7044421B1 (en) 1999-04-20 2006-05-16 The Colman Group, Inc. Electronically controlled roll towel dispenser with data communication system
ES2288593T3 (es) * 2003-10-02 2008-01-16 Muller Martini Holding Ag Sistema para recortar un producto de impresion.
US7338572B2 (en) * 2004-11-01 2008-03-04 Esselte Corporation Processing apparatus
JP5106080B2 (ja) * 2007-12-14 2012-12-26 富士通コンポーネント株式会社 ロータリカッタ装置及び該ロータリカッタ装置を備えたプリンタ装置
EP2760773A4 (fr) 2011-09-26 2015-03-04 Cascades Canada Ulc Distributeur de produit enroulé doté de multiples lames de coupe et ensemble de coupe pour distributeur de produit enroulé
USD860674S1 (en) 2018-02-06 2019-09-24 San Jamar, Inc. Towel dispenser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1761538B1 (de) * 1968-06-04 1971-09-09 Hell Rudolf Dr Ing Kg Vorrichtung zum querschneiden bahnfoermiger materialien
DE2439560A1 (de) * 1974-08-17 1976-02-26 Anker Werke Ag Schneideinrichtung fuer belegausgebende geschaeftsmaschinen
DE2932634C2 (de) * 1979-01-24 1983-04-21 Control Commerce AG, Ilanz, Graubünden Antrieb für ein Schermesser zum Abschneiden eines intermittierend aus einer Transportvorrichtung auszugebenden Papierstreifens
US4544293A (en) * 1984-06-11 1985-10-01 Eaton Corporation Printer apparatus and cutting mechanism
DE8716108U1 (de) * 1987-12-05 1988-02-18 Hengstler GmbH, 7209 Aldingen Abschneidevorrichtung für Datenstreifen bei maschineller Ausgabe

Also Published As

Publication number Publication date
EP0401619B1 (fr) 1994-03-23
US5001953A (en) 1991-03-26
DE59005056D1 (de) 1994-04-28
EP0401619A3 (fr) 1991-10-30
ATE103230T1 (de) 1994-04-15
DE3918662C2 (fr) 1991-06-13
DE3918662A1 (de) 1990-12-13

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