EP0886565B1 - Vorrichtung zum entfernen von ausbruchteilen - Google Patents

Vorrichtung zum entfernen von ausbruchteilen Download PDF

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Publication number
EP0886565B1
EP0886565B1 EP97906215A EP97906215A EP0886565B1 EP 0886565 B1 EP0886565 B1 EP 0886565B1 EP 97906215 A EP97906215 A EP 97906215A EP 97906215 A EP97906215 A EP 97906215A EP 0886565 B1 EP0886565 B1 EP 0886565B1
Authority
EP
European Patent Office
Prior art keywords
strip
opening
cavity
head
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97906215A
Other languages
English (en)
French (fr)
Other versions
EP0886565A1 (de
Inventor
Yvon Raveleau
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP0886565A1 publication Critical patent/EP0886565A1/de
Application granted granted Critical
Publication of EP0886565B1 publication Critical patent/EP0886565B1/de
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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/1881—Means for removing cut-out material or waste using countertools
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/329—Plural breakers
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/371—Movable breaking tool

Definitions

  • the present invention relates to a device for eliminating pre-cut pieces, including scrap, of a sheet of material with sections or equivalent, of type described in EP-A-0-446 702, which serves as a basis for preamble of claim 1.
  • It relates more particularly to a device for remove pre-cut pieces from a sheet of material, wherein said sheet is placed on a surface of separation of a matrix so that the piece pre-cut covers a matrix breakthrough and is pushed down through this breakthrough under the pressure of at minus a separating or punching member.
  • Such devices are known and are notably described in patent DE-A-4,124,098.
  • the breakthrough is usually dimension lower than the pre-cut piece so that when a thrust exerted by the punching member on the pre-cut piece, the pre-cut piece deforms to the inside of said breakthrough to be ejected out of said breakthrough.
  • the problem with such devices is that they generate a number of waste jams to inside the breakthrough. These jams force a stop of the ejection station to release said breakthrough.
  • the punching cooperates with an elastic stop member arranged below the pre-cut piece and protruding at least partially in the breakthrough.
  • This stop member which, in a rest position, is substantially arranged set back or flush with the separation surface, is likely to be deformed when moving away from the surface separation upon pressure exerted by the punching on the pre-cut piece to occupy a inclined position with respect to the separation surface.
  • An example of such a device is notably described in the Patent EP-A-446,702. In this case, however, we see that the scrap is eliminated by sliding of the stop member elastic. Sometimes the pre-cut piece remains attached to the punching member. In the case of this device, there is no longer any possibility of detach the scrap from the punching member.
  • the object of the present invention is therefore to propose a device for removing pre-cut pieces, in which the elastic stop member can be installed on the mask in masked time, its positioning on the matrix being such that it does not increase the size of the matrix while remaining easily accessible so as to facilitate its assembly and disassembly.
  • Another object of the present invention is to provide a device for eliminating pre-cut pieces including the elastic stop member can be positioned so precise and possibly adjustable.
  • the invention relates to a device with the features of claim 1.
  • the blade head is stepped to prevent displacement of said elastic stop member towards the axis crossing of said breakthrough during an operation of separation.
  • the device which is the subject of the invention makes it possible to eliminate precut pieces 11, including scrap, of a sheet of material 10 having sections or equivalent. These precut pieces 11 can also be called falls.
  • the material sheet 10 is by example consisting of a pre-cut cardboard blank, each precut corresponding to a piece in front thereafter to be eliminated.
  • This sheet of material 10 after having undergone a certain number of operations, is brought and placed on the surface of separation 2 of a matrix 1 so that the piece precut 11 covers a breakthrough 3 of the matrix 1.
  • This breakthrough 3 generally has a homothetic profile at profile of the precut made in the material sheet 10.
  • the breakthrough 3 affects a rectangular shape. So we can assume that the pre-cut piece 11 will also have a shape rectangular.
  • a punching member 12 is moved downward to through this breakthrough 3 so as to exert pressure on the pre-cut piece 11 to allow its separation with the material sheet 10.
  • This punching member 12 can have a large number of forms. In the examples shown in Figures 1 to 3, it is formed of blade machined at its free end so as to delimit needles or spikes. The dimensions of the blade of steel are variable depending on the geometry of the scrap and the quality of the material sheet. The basis of this punching tool is generally tapered so forcefully insert the blade into the upper board ejection. A shoulder prevents this blade from crossing the board during excessive pressure.
  • the spikes, which are arranged at the end of the blade are generally convex. The number of spikes is variable. Of even, their arrangement online or staggered can be modified. There are also punching devices affecting the shape of needles distributed so uniform on the surface of the pre-cut piece 11.
  • This punching member 12 cooperates with at least one elastic stop member 7B arranged below the piece precut 11 and at least partially protruding in breakthrough 3, as shown in Figure 1.
  • the breakthrough 3 of the matrix 1 comprises at least one housing 4 radiating in the direction of the axis passing through said breakthrough 3 to lead into this breakthrough 3.
  • This housing 4 is shaped to receive the head retention 7A of a blade 7B constituting the elastic stop member.
  • the blade 7B is erased against a pre-cut piece 11 during a pushing movement exerted by the punching 12 passing through the opening 3 of the die 1, as shown in figure 2.
  • the free end of the blade 7B opposes the return of waste 11 after each operation of separation, as shown in Figure 3.
  • each housing 4 of the breakthrough 3 is shouldered to delimit, between its shoulder 5 and its mouth 6 in said opening 3, a first cavity 4A used to receive the blade 7B constituting the member elastic stop, this housing sparing beyond said shoulder 5 a second cavity 4B receiving interlocking the head 7A of said blade kept fixed inside said cavity 4B.
  • This embodiment of housing 4 is notably represented in FIG. 4.
  • the first cavity 4A is of section greater than the section of the blade 7B. So, blade 7B can move freely inside the cavity 4A.
  • the blade head can be recessed at inside the second cavity 4B.
  • This 7A head can affect a lot of shapes. An example of realization of this head is provided in figure 5.
  • the head 7A of the blade is hollow to allow, during of its introduction into the second cavity 4B, its deformation so as to facilitate its forced introduction in said second cavity 4B. This deformation is obtained thanks to the deformation chamber 8 thus formed.
  • This blade head 7A can also affect a shape of substantially truncated-pyramidal bowl so as to obtain a conical fitting type connection between the blade head 7A and the second cavity 4B of the housing the breakthrough 3 of the matrix 1.
  • housing 4 of the breakthrough 3 is generally a housing crossing as far as this housing is realized by laser cutting of the matrix 1. It is therefore possible to introduce the elastic stop member on one side or the other of the housing 4 when this stop member elastic, in particular the head of said organ, is embedded inside said housing. This allows obtain a device whose distance from the surface of separation 2 of the matrix 1 and the bearing surface of the blade 7B on the pre-cut piece 11 may vary so very easy and very precise.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Surgical Instruments (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Sink And Installation For Waste Water (AREA)

Claims (8)

  1. Vorrichtung zum Entfernen von vorgeschnittenen Stücken (11), insbesondere Abfallstücken, eines Materialbogens (10), der Schnitte oder dergleichen aufweist, wobei besagter Bogen auf einer Trennfläche (2) einer Matrize (1) derart aufgelegt ist, daß das vorgeschnittene Stück (11) eine Ausnehmung (3) der Matrize (1) bedeckt und unter dem Druck wenigstens eines Ausstanzorgans (12) nach unten durch diese Ausnehmung (3) gedrückt wird, wobei besagtes Ausstanzorgan mit wenigstens einem elastischen Anschlagorgan (7B) zusammenwirkt, das unterhalb des vorgeschnittenen Stückes vorgesehen ist und teilweise zumindest in besagte Ausnehmung (3) vorsteht, wobei dieses elastische Anschlagorgan die Form einer Zunge (7B) hat, die bei einer von dem die Ausnehmung (3) der Matrize (1) durchquerenden Ausstanzorgan (12) ausgeübten Vorschubbewegung gegen ein vorgeschnittenes Stück (11) zurückweicht, wobei das freie Ende der Zunge (7B) der Rückkehr des Abfallstückes (11) nach jedem Trennvorgang entgegenwirkt,
    dadurch gekennzeichnet,
    daß die Ausnehmung (3) der Matrize (1) wenigstens eine Aufnahme (4) aufweist, die in Richtung einer durch die besagte Ausnehmung (3) hindurchgehenden Achse ausstrahlt, um in dieser Ausnehmung (3) zu münden, wobei diese Aufnahme (4) ausgebildet ist, um den Kopf (7A) der das elastische Rückhalteorgan bildenden Zunge (7B) in Rückhaltung aufzunehmen.
  2. Vorrichtung gemäß Anspruch 1,
    dadurch gekennzeichnet, daß der Kopf (7A) der Zunge (7B) mit einer Schulter versehen ist, um jede Verschiebung des elastischen Anschlagorganes in Richtung der durch besagte Ausnehmung (3) hindurchgehenden Achse während eines Trennvorgangs zu verhindern.
  3. Vorrichtung gemäß einem der Ansprüche 1 und 2,
    dadurch gekennzeichnet, daß jede Aufnahme (4) der Ausnehmung (3) mit einer Schulter versehen ist, um zwischen ihrer Schulter (5) und ihrer Mündung (6) in besagter Ausnehmung eine erste Aushöhlung (4A) abzugrenzen, die der Aufnahme der das elastische Anschlagorgan bildenden Zunge (7B) dient, und bei der von besagter Schulter (5) aus eine zweite Aushöhlung (4B) vorgesehen ist, die den Kopf (7A) der besagten Zunge ineinandergreifend aufnimmt, welche fest in dem Inneren der besagten Aushöhlung (4B) gehalten ist.
  4. Vorrichtung gemäß Anspruch 3,
    dadurch gekennzeichnet, daß der Querschnitt der ersten Aushöhlung (4A) der Aufnahme (4) größer ist als der Querschnitt der Zunge (7B), um eine freie Verschiebung der besagten Zunge (7B) in das Innere der Aushöhlung (4A) zu ermöglichen.
  5. Vorrichtung gemäß Anspruch 3,
    dadurch gekennzeichnet, daß der Kopf (7A) der besagten Zunge in das Innere der zweiten Aushöhlung (4B) eingelassen ist.
  6. Vorrichtung gemäß Anspruch 3,
    dadurch gekennzeichnet, daß der Kopf (7A) der besagten Zunge hohl ist, um bei seiner Einführung in die zweite Aushöhlung seine Verformung dergestalt zu ermöglichen, daß sein Hineinzwängen in besagte zweite Aushöhlung (4B) erleichtert ist.
  7. Vorrichtung gemäß Anspruch 6,
    dadurch gekennzeichnet, daß der Kopf (7A) der Zunge die Form eines im wesentlichen pyramidenstumpfförmigen Gefäßes hat.
  8. Vorrichtung gemäß einem der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, daß der Kopf (7A) der Zunge und die Zunge (7B) formgepreßt und aus einem einzigen Stück ausgebildet sind.
EP97906215A 1996-02-22 1997-02-18 Vorrichtung zum entfernen von ausbruchteilen Expired - Lifetime EP0886565B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9602187A FR2745220B1 (fr) 1996-02-22 1996-02-22 Dispositif pour eliminer des morceaux separes
FR9602187 1996-02-22
PCT/FR1997/000298 WO1997030829A1 (fr) 1996-02-22 1997-02-18 Dispositif pour eliminer des morceaux separes

Publications (2)

Publication Number Publication Date
EP0886565A1 EP0886565A1 (de) 1998-12-30
EP0886565B1 true EP0886565B1 (de) 2000-01-26

Family

ID=9489467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97906215A Expired - Lifetime EP0886565B1 (de) 1996-02-22 1997-02-18 Vorrichtung zum entfernen von ausbruchteilen

Country Status (7)

Country Link
US (1) US6102268A (de)
EP (1) EP0886565B1 (de)
AT (1) ATE189152T1 (de)
DE (1) DE69701218T2 (de)
ES (1) ES2142664T3 (de)
FR (1) FR2745220B1 (de)
WO (1) WO1997030829A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29825182U1 (de) * 1998-04-02 2005-12-22 Vossen, Franz Vorrichtung zum Entfernen von Ausbrechteilen aus einem Werkstoffbogen o.dgl.
DE19837316A1 (de) * 1998-04-02 1999-10-07 Franz Vossen Vorrichtung zum Entfernen von Ausbrechteilen aus einem Werkstoffbogen o. dgl.
EP1266727A1 (de) * 2001-06-13 2002-12-18 Aprisys S.A. Dynamischer Auswerfer für Ausbrechteile in einer Maschine zum Schneiden von bogenförmigen Materialien
FR2873612B1 (fr) * 2004-07-29 2009-10-30 Jean Pierre Caloini Dispositif assurant l'ejection a 100% des dechets de decoupes de carton sur presse auto-platine
FR2880576B1 (fr) * 2005-01-07 2007-02-23 Raveleau Yvon Dispositif pour eliminer des morceaux predecoupes d'une feuille de matiere
US8061247B2 (en) * 2006-09-15 2011-11-22 Atlas Die Llc Lifting device for stripping and blanking operations
DE202010006741U1 (de) 2010-05-12 2011-09-07 Franz Vossen Gegenhaltereinrichtung für eine Vorrichtung zum Entfernen von Ausbrechteilen aus einem Werkstückbogen o.dgl. sowie Vorrichtung mit einer Gegenhaltereinrichtung
CN203236811U (zh) * 2012-12-24 2013-10-16 鸿准精密模具（昆山）有限公司 剥离装置
JP2014233800A (ja) * 2013-06-03 2014-12-15 株式会社 小池製作所 打抜き屑除去促進治具及びそれを備えたストリッピング装置
US8789449B1 (en) * 2013-11-07 2014-07-29 Hirofumi Saito Piercing apparatus with scrap removing capability
DE102015110972A1 (de) 2015-07-07 2017-01-12 Franz Vossen Gegenhaltereinrichtung für eine Vorrichtung zum Entfernen von Aufbrechteilen und Vorrichtung zum Entfernen von Ausbrechteilen
FR3044248B1 (fr) * 2015-11-26 2018-04-13 Nicolas Raveleau Dispositif, organe de butee et ensemble comprenant un tel dispositif pour eliminer des morceaux predecoupes
DE102017105508A1 (de) * 2016-12-19 2018-06-21 Boxplan Gmbh & Co. Kg Verfahren und Vorrichtung zum Ausbrechen eines flächigen Werkstücks aus einem Werkstoffbogen
TWI846155B (zh) * 2021-12-21 2024-06-21 瑞士商巴柏斯特麥克斯合資公司 落料台和用於在落料台中引導坯料的撓性引導件

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE116186T1 (de) * 1990-03-12 1995-01-15 Meurer Nonfood Product Gmbh Vorrichtung zum entfernen von ausbrechteilen aus einem werkstoffbogen od.dgl.
DE4124098C2 (de) * 1991-07-19 1997-07-17 Marbach Gmbh Karl Vorrichtung zum Entfernen von Ausbrechteilen, wie Abfallstücken, aus einem Zuschnitte oder dergleichen enthaltenden Werkstoffbogen

Also Published As

Publication number Publication date
FR2745220A1 (fr) 1997-08-29
ES2142664T3 (es) 2000-04-16
US6102268A (en) 2000-08-15
FR2745220B1 (fr) 1998-04-30
DE69701218T2 (de) 2000-09-07
ATE189152T1 (de) 2000-02-15
EP0886565A1 (de) 1998-12-30
DE69701218D1 (de) 2000-03-02
WO1997030829A1 (fr) 1997-08-28

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