EP1762347A2 - Dispositif de coupe ayant un entraînement commun pour moyens de serrage et lame - Google Patents

Dispositif de coupe ayant un entraînement commun pour moyens de serrage et lame Download PDF

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Publication number
EP1762347A2
EP1762347A2 EP06018413A EP06018413A EP1762347A2 EP 1762347 A2 EP1762347 A2 EP 1762347A2 EP 06018413 A EP06018413 A EP 06018413A EP 06018413 A EP06018413 A EP 06018413A EP 1762347 A2 EP1762347 A2 EP 1762347A2
Authority
EP
European Patent Office
Prior art keywords
cutting
cutting blade
sheet stack
blade
stack
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
EP06018413A
Other languages
German (de)
English (en)
Other versions
EP1762347B1 (fr
EP1762347A3 (fr
Inventor
Gerhard Zapf
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.)
Dahle Buerotechnik GmbH
Original Assignee
Dahle Buerotechnik 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 Dahle Buerotechnik GmbH filed Critical Dahle Buerotechnik GmbH
Publication of EP1762347A2 publication Critical patent/EP1762347A2/fr
Publication of EP1762347A3 publication Critical patent/EP1762347A3/fr
Application granted granted Critical
Publication of EP1762347B1 publication Critical patent/EP1762347B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • 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
    • B26D1/04—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 linearly-movable cutting member
    • B26D1/06—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 linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • 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
    • B26D5/10—Hand or foot actuated means
    • 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
    • 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
    • B26D7/22—Safety devices specially adapted for cutting machines
    • B26D7/24—Safety devices specially adapted for cutting machines arranged to disable the operating means for the cutting member

Definitions

  • the invention relates to an apparatus for cutting stacked sheets of paper consisting of stacked sheets of paper. Such devices are also referred to as stack cutters or paper cutters.
  • the sheet stack to be cut is inserted into the device and adjusted in the device so that the cutting blade cuts through the sheet stack at the desired location.
  • the sheet stack is pressurized with a press beam in its cutting position.
  • the pressing beam thus has the function of a hold-down for the paper stack.
  • the sheet stack pressurized by the press beam is then cut by the cutting blade.
  • the cutting blade can either be arranged on the underside of a pivoting lever and cut through the stack of sheets in the manner of a sword.
  • embodiments are known where the cutting blade over its entire cutting width immediately attacks the sheet stack, so cut the sheet stack in the manner of a guillotine.
  • the invention has the object to improve a cutting device of the type mentioned in terms of their usability and at the same time to design space-saving. This object is achieved by the feature combination of claim 1 in an inventive manner.
  • the dependent claims contain in part expedient and in part self-inventive developments of this invention.
  • the invention is based on the idea of providing a common drive for the press beam and the cutting blade. In this way, only one operating element has to be actuated in order to hold the stack of sheets in its cutting position by means of the pressing bar and finally to cut through the stack of sheets. Consequently, only a single drive must be operated to realize both the holding down and positioning operation of the sheet stack and the cutting operation.
  • a manual drive in the form of a single pivot lever.
  • This pivot lever is usually pivotally mounted on a fixed support shaft and actuates an outer support and thus the pressing beam and the cutting blade via a transmission, such as a cam gear, a cam gear, a guide slot or rollers mounted on the pivot lever.
  • the pressing beam and the cutting blade above the sheet stack or the support surface for the sheet stack and so to guide in lateral guides and store that the press bars and cutting blades can be moved vertically in the direction of the sheet stack.
  • the assembly consisting of the lateral guides, the pressing beam and the cutting blade engages over the support surface for the stack of sheets in the manner of a portal.
  • the pressing beam at the same time forms the storage for the cutting blade.
  • the common bar with the drive bar in the direction of the stack of sheets, so as to take along the cutting blade to the stack of sheets at the same time.
  • the cutting blade is automatically mit vide.
  • the cutting blade is mounted in a slotted guide on the pressing beam.
  • the guide slot in the press beam is formed here by two diagonal guide slots extending to the longitudinal axis of the press bar. In each of the guide slots engages in each case a guide pin, which in turn is connected to the cutting blade. The cutting blade is thus guided on the pressing bar vertically movable in the direction of the stack of sheets.
  • this embodiment is further developed in that the movement of the cutting blade takes place against the pressure of a spring element. In this way it is ensured that after cutting through the sheet stack, the cutting blade is moved back to its rest position relative to the pressing beam. The cutting edge of the cutting blade does not extend beyond the lower edge of the pressing beam in the rest position, so that the pressing beam simultaneously fulfills the function of cutting edge protection on the device.
  • the device is designed such that one side of the support surface is designed as an operating side. From this operating side, both the sheet stack is inserted into the device and operated the pivot lever when pressing and cutting through the sheet stack. The cut adjustment of the sheet stack in the horizontal direction on the support surface is carried out from this side.
  • a stop which can be moved horizontally on the support surface by means of a spindle, in particular a ball spindle or with the aid of a cable pull, can be provided on the support surface.
  • the device can be set up very compact. For example, it can be integrated in a cupboard compartment or in a bay accessible only from one side.
  • the protective hoods or covering hoods according to claim 8 secure the cutting device against undesired intervention by the operator. They serve to shield the entire cutting mechanism to the outside and thus reduce the risk of injury to the operator.
  • a stud connected kinematically to the cover in the manner of an impact lock can engage in a recess provided in the knife carrier and thus locks the knife carrier in its inactive position. If, on the other hand, the covers are closed and the knife carrier is pressed down in the vertical direction by means of the pivoting lever, the bolts then resting against the knife carrier prevent unintentional opening of the covering hoods and thus prevent undesired engagement and a resulting injury to the operator.
  • the cutting device consists essentially of a work table 1 and a patch on the work table 1 2.
  • the work table 1 has a support surface 3 for the sheet stack 4.
  • the support surface 3 is laterally surrounded by a support frame 5.
  • the support frame 5 in turn consists of square sections 6 and these square sections 6 connecting corner connectors 7.
  • the square sections 6 may be made of plastic or metal, in particular light metal.
  • the corner connectors 7 may consist of a soft plastic and have corner connector tongues, which project into the hollow square sections 6, so that the tongues projecting into the square profiles 6 form a tongue and groove connection with the square profiles 6.
  • the corner connectors 7 are designed as molded parts and consist of a metal alloy, preferably zinc die-cast.
  • FIG. 1b shows the front view on the operating side 8 according to the sighting arrow marked in FIG. 1a.
  • guide rails 10 From the support surface 3 protrude in the vertical direction 9 guide rails 10 also.
  • the guide rails 10 form on the one hand the end bearing for the pivotable in the vertical direction 9 pivoting lever 11.
  • the cutting blade 12 and the pressing beam 13 are slidably mounted in the vertical direction 9 in the guide rails 10.
  • Fig. 1b can be seen the fact that the pressing bar 13 projects beyond its lower edge in the vertical direction 9, the cutting blade 12 in the direction of the sheet stack 4, so that the pressing bar 13, the cutting edge of the cutting blade 12 so concealed that the pressing beam 13 at the same time Cutting protection for the cutting blade 12 is effective.
  • the stack of sheets 4 on the support surface 3 of the work table 1 can be moved freely.
  • the horizontal stop 15 is provided on the support surface 3.
  • the mobility of the sheet stack 4 in horizontal Direction 14 limiting further adjustable stop on the support surface 3 is provided.
  • FIG. 3a and Fig. 3b show the pressing bar 13 after reaching its final press position.
  • this final press position of the pressing beam 13 is fixed on the sheet stack 4 and fixes it in position in both the horizontal direction 14 and in the axial direction 17.
  • the cutting blade 12 relative to the pressing beam 13 is still in its starting position, in the the lower edge of the press beam 13, the cutting edge of the cutting blade 12 in the vertical direction 9 still surmounted in the manner of a cutting protection.
  • the spring elements 16 are significantly spring-loaded.
  • the pressing beam 13 is guided with its ends displaceable in each case in one of the two guide rails 10 in the vertical direction 9.
  • the cutting blade 12 is in turn guided displaceably in turn in the vertical direction 9 on the pressing beam 13.
  • the vertical guidance of the cutting blade 12 relative to the guide rails 10 thus takes place indirectly over the pressing beam 13.
  • the pressing beam 13 has for this purpose a to the vertical direction 9 and the axial direction 17 diagonal extending guide slot 18. This guide slot 18 is visible in Fig. 4b to a small extent and in Fig. 5b very well.
  • the pressing bar 13 rests on the sheet stack 4 in accordance with the pressing position shown in FIG. 3 a and FIG. 3 b.
  • the cutting blade 12 is guided in a diagonal direction in two guide slots 18 both in the vertical direction 9 downwards and in the axial direction 17 of the cutting edge of the cutting blade 12.
  • Fig. 4b and Fig. 5b only one of the two guide slots 18 can be seen.
  • the arranged at the opposite end in the axial direction 17 of the press bar 13 guide slot is hidden in the drawing by the cutting blade 12.
  • the cutting blade 12 completes in Fig. 4b both a movement in the vertical direction 9 down into the sheet stack 4 and also to the left in the axial direction 17.
  • the operation of the device takes place in a very simple manner exclusively from the operating page 8. Both for holding the sheet stack 4 in the cutting position as well as for cutting the sheet stack 4 is only the pressing down the pivot lever 11 in the vertical direction 9 required. Due to its structural design, the cutting device must be accessible only from the operating side 8 ago, so that the other sides of the device can be covered by cabinet walls or the like. In addition, the device can be easily operated with one hand and it is only a working stroke with the pivot lever 11 in the vertical direction 9 required to hold the sheet stack 4 in its cutting position and to cut it completely. After the cut, the pivot lever 11 is automatically returned to its original position by the spring pressure of the spring elements 16. Throughout the cutting process, the cutting blade 12 is visible over its entire length in the axial direction 17 from the operating side 8, so that the operator always has the entire cutting line in front of his eyes during the cutting process.
  • a control panel 25 is provided with an activation key 26 for the Laser4.000andeutung. Furthermore, the control panel 25 has an operating display 27 for the Laser4.000andeutung on and a Abdeckhaubenkontroll mecanic 28 for yet to be discussed covers, a signal light 29 for the activated pressing beam 13 and another signal light 30 for the activated cutting blade 12. In one embodiment of the invention the Abdeckhaubenkontroll utilize lights 28 red, the signal light 29 yellow and the signal light 30 green. As can be seen from the illustration of FIG. 6, the control panel 25 is mounted on the operating side 8 in a clearly visible manner on a protective hood 31 covering the cutting mechanism.
  • the embodiment of the device shown in FIG. 6 has a work table 1 with a bearing surface 3.
  • the support surface 3 rests on a support frame 5, which in turn is held together by square sections 6 and the square sections 6 connecting corner connectors 7.
  • the work table 1 rests on rubber feet 32, which in turn are provided with suction cups. With the help of the rubber feet 32 and formed on the rubber feet 32 suction cups, it is possible to safely set up and lock the work table 1 on the working surface of a sub-table. The locking is done simply by firmly squeezing the suction cups of the rubber feet 32.
  • one or more of the rubber feet 32 are height adjustable to balance the position of the work table 1 and fine-tune.
  • the embodiment of the cutting device shown in FIGS. 6, 7 and 8 has, as stated, the protective hood 31 covering the cutting unit 2. In this way it is effectively prevented from accidentally being gripped in the cutting unit 2, so that the risk of injury is reduced. In addition, the cutting unit 2 is protected by the protective cover 31 from external contamination or damage.
  • the protective hood 31 is designed to be removable and consists of two hood halves 33.
  • FIG. 6 shows the closed working position of the cover hoods 34
  • FIG. 7 the stack of sheets 4 and the cover hoods 34 opened for complete accessibility of the support surface 3 are shown.
  • the control panel 25 the operator can check whether the covers 34 are properly closed. Namely, in this case, the Abdeckkaubenkontrollrete 28 does not light up. When the cover is open, the cover control light 28 glows red and thus warns the operator to close the covers 34 properly before the cutting process.
  • Fig. 9 shows a side view of the cutting device.
  • the work table 1 with closed covers 34.
  • the storage of the covers 34 on the cutting unit 2 can be seen.
  • the covers 34 are connected via handlebar 35 to the cutting unit 2.
  • Each link 35 has a guide curve 36.
  • the guide cam 36 acts on a control cam 37.
  • the control cam 37 in turn acts on a displaceable in the horizontal direction 14 bolt 38th
  • a cutting bar 40 is provided in the area of the cutting unit 2 in the support surface 3 of the work table 1.
  • the cutting bar 40 is the counterpart to the cutting blade 12 when it has completely cut through the sheet stack 4.
  • the cutting bar 40 is fixed in the support surface 3.
  • the support surface 3 has two clamping jaws 41 oriented against each other in the horizontal direction 14. Between the jaws 41, the cutting bar 40 is simply clamped.
  • the cutting bar 40 is a typical wearing part, which must be replaced after a certain number of cuts of the cutting blade 12.
  • an ejection lever 42 is provided, at the end of an ejector 43 is fixed.
  • a through-opening 44 is introduced.
  • FIG. 13 shows an exploded view of the knife carrier 21 with the cutting blade 12 attached thereto, the end of the pivoting lever 11, which acts on the knife carrier 21 and the pressing bar 13.
  • the guide slots 18 are very clearly visible in the exploded view of FIG. 14, which shows the illustration of FIG. 13 from the reverse perspective, ie in the viewing direction according to arrow XIV in FIG. 13.
  • FIG. 13 and FIG. 14 clearly show this the journals 20, with which the pivot lever 11 is pivotally mounted in corresponding bearing eyes in the guide rails 10.
  • the drive rollers 24 can be seen on the pivot lever 11, with which the pivot lever 11 actuates the cutting unit 2.
  • This roller drive is - as already stated above - only one drive variant for the cutting unit 2.
  • the same is true for the leadership formed by the guide pin 22 and the guide slots 18 guide the blade carrier 21 in the pressing beam 13. Again, a leadership by means of rollers is conceivable, which is especially for heavier cutters may be advantageous.
  • the oblique in the embodiments of FIGS. 1 to 5b spring elements cause the formation of a sufficiently large frictional force between the contact surfaces. These contact surfaces cause the conversion of the pressure applied to the pivot lever 11 and applied to the knife carrier 21 pressure force on the guide pin 22 in the force exerted by the pressing bar 13 on the sheet stack 4 pressing force.
  • the spring elements 16 can also run obliquely parallel to one another.
  • the V-shaped arrangement of the spring elements shown in FIGS. 1 to 5b is only one conceivable variant.
  • the main advantage of the device is the arrangement of the cutting blade 12 on the operating side 8 of the device, which allows an improved view of the sheet stack 4 to be cut and allows the installation of the laser cutting hint.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)
EP20060018413 2005-09-07 2006-09-02 Dispositif de coupe ayant un entraînement commun pour moyens de serrage et lame Expired - Fee Related EP1762347B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005014142 2005-09-07
DE202006012879U DE202006012879U1 (de) 2005-09-07 2006-08-22 Schneidvorrichtung

Publications (3)

Publication Number Publication Date
EP1762347A2 true EP1762347A2 (fr) 2007-03-14
EP1762347A3 EP1762347A3 (fr) 2008-12-17
EP1762347B1 EP1762347B1 (fr) 2012-03-21

Family

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Family Applications (1)

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EP20060018413 Expired - Fee Related EP1762347B1 (fr) 2005-09-07 2006-09-02 Dispositif de coupe ayant un entraînement commun pour moyens de serrage et lame

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Country Link
EP (1) EP1762347B1 (fr)
DE (1) DE202006012879U1 (fr)
ES (1) ES2382098T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104493876A (zh) * 2014-12-25 2015-04-08 合肥丹盛包装有限公司 一种包装纸用压平剪切装置
CN104786254A (zh) * 2015-04-01 2015-07-22 深圳市福田区青少年科技教育协会 一种精准护手裁纸器
CN106825329A (zh) * 2017-01-16 2017-06-13 成都冶金实验厂有限公司 移动定位的龙门剪切装置
US10434672B2 (en) 2017-07-31 2019-10-08 D-Cut Products, Inc. Cutting tool

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298513A1 (fr) * 2009-09-16 2011-03-23 D-Cut Products, INC. Outil de coupe
WO2017189201A1 (fr) * 2016-04-29 2017-11-02 Ranpak Corp Mécanisme de découpe pour une machine et un procédé de conversion de fardage
DE102020129872B3 (de) * 2020-11-12 2022-01-05 Koenig & Bauer Ag Stapelschneidevorrichtung mit einer ersten Stapelpositioniereinrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353389A1 (fr) 1988-07-26 1990-02-07 Wilhelm Dahle-Bürotechnik GmbH & Co KG Massicot

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DE264081C (fr) *
FR324026A (fr) * 1902-06-16 1903-03-21 Verbuent Wilhelm Perfectionnements aux machines à rogner
DE2635604C2 (de) * 1976-08-07 1985-11-07 Krug & Priester, 7460 Balingen Papierschneidmaschine
DE8715520U1 (de) * 1987-11-24 1988-01-14 G. Josting Maschinenfabrik, 32130 Enger Furnierschneidemaschine
DE29704465U1 (de) * 1997-03-12 1998-03-05 Ideal-Werk Krug & Priester Gmbh & Co Kg, 72336 Balingen Schneidvorrichtung für Papier, Folien o.dgl.
US20040112196A1 (en) * 2002-07-18 2004-06-17 Ellison Educational Equipment, Inc. Interchangeable die press system and method
US7011008B2 (en) * 2002-11-08 2006-03-14 Alterra Holdings Corporation Power gear guillotine trimmer
US6997092B2 (en) * 2003-06-02 2006-02-14 Chau Lih Rong Enterprise Co., Ltd. Cutting apparatus
CA2488994A1 (fr) * 2003-12-02 2005-06-02 Michael Parrish Rogneuse a papier guidee par laser
DE202004011728U1 (de) * 2004-07-27 2004-11-04 Huang, Chien-Kai Papierschneidemaschine mit einem Übertragungsmechanismus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353389A1 (fr) 1988-07-26 1990-02-07 Wilhelm Dahle-Bürotechnik GmbH & Co KG Massicot

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104493876A (zh) * 2014-12-25 2015-04-08 合肥丹盛包装有限公司 一种包装纸用压平剪切装置
CN104786254A (zh) * 2015-04-01 2015-07-22 深圳市福田区青少年科技教育协会 一种精准护手裁纸器
CN106825329A (zh) * 2017-01-16 2017-06-13 成都冶金实验厂有限公司 移动定位的龙门剪切装置
US10434672B2 (en) 2017-07-31 2019-10-08 D-Cut Products, Inc. Cutting tool

Also Published As

Publication number Publication date
EP1762347B1 (fr) 2012-03-21
DE202006012879U1 (de) 2006-12-28
EP1762347A3 (fr) 2008-12-17
ES2382098T3 (es) 2012-06-05

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