EP0540828A1 - Perforating device with adjustable punch units - Google Patents

Perforating device with adjustable punch units Download PDF

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Publication number
EP0540828A1
EP0540828A1 EP92113300A EP92113300A EP0540828A1 EP 0540828 A1 EP0540828 A1 EP 0540828A1 EP 92113300 A EP92113300 A EP 92113300A EP 92113300 A EP92113300 A EP 92113300A EP 0540828 A1 EP0540828 A1 EP 0540828A1
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EP
European Patent Office
Prior art keywords
punch
spring
units
punch according
perforated
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.)
Pending
Application number
EP92113300A
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German (de)
French (fr)
Inventor
Heinz Häussermann
Theodor Pflugfelder
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.)
Louis Leitz KG
Original Assignee
Louis Leitz 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 Louis Leitz KG filed Critical Louis Leitz KG
Publication of EP0540828A1 publication Critical patent/EP0540828A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers

Definitions

  • the invention relates to a hole punch with a lower part that can be set up on a base, at least two strings lined up on an elongated mounting element of the lower part at an adjustable distance from each other, one hole matrix, one insertion slot and one from an upper end position against the force of a return spring through the insertion slot and Perforated punch with perforated die, and a punch unit that is pivotably mounted or displaceably guided on the lower part and acts against the rear end faces of the punch, preferably designed as a pressure lever, for moving the punch.
  • the perforation units which are adjustable in their spacing from one another, it is possible to adapt the perforator to different perforation spacings in the documents to be perforated.
  • the punch units are lined up on a round rod, which is mounted in bearing holes in the side walls of the punch lower part.
  • the assembly of the perforated units therefore takes place within the perforator with the round rod partially pulled out of its bearing, the distance adjustment between the perforated units only being able to take place when the round rod is fastened to the lower part again in its starting position.
  • the punching units have an upper end stop for the punch under spring pressure, which ensures that the Perforated units as such can be handled without the risk of falling apart.
  • the upper end position of the punch within the punch is not defined by these end stops, but by an end stop of the pressure element, which is thus held in its upper stop position under the action of the prestressed return springs.
  • the perforated units are also pretensioned by their return springs, so that when adjusting the distance either high friction has to be overcome or the respective return spring must be relieved by pressing down the punch or the spring by hand.
  • the invention has for its object to improve the known punch of the type mentioned in that the assembled punching units are easier to move and easier to replace.
  • the solution according to the invention is based on the knowledge that the displacement and replacement of the punching units is facilitated by the fact that the punching units are relieved of the action of the printing process in the upper end position of their punching dies and that the assembly element and the punching punch units are interchangeable as a unitary assembly as a whole are.
  • the punch in their upper end position under the action of their return springs, strike against an upper end stop of the respective punch unit, that the pressure member can be lifted up from the rear end faces of the punch located in its upper end position to form a free space and that when the pressure member is lifted off, the mounting element can be removed from the lower part together with the hole units lined up on it.
  • At least one spring element bridging the hole units is arranged between the lower punch part and the pressure element, which preferably has a support spring which lifts the pressure element from the rear end faces and holds it under pretension against an upper end stop. Since the spring element only has to raise the weight of the pressure element in the end position, the spring forces of the support spring can be chosen to be smaller than the rectified spring forces of the return springs of the hole units.
  • the spring element has a parallel vertically displaceable parallel to the punch on the lower part, under the action of the support spring, which is preferably designed as a helical compression spring, with its upper end face against the pressure member. Deviating from this, the spring element can also be formed by at least one compression or torsion spring arranged between a side cheek of the lower part and the pressure element.
  • the elongated mounting element as Profile or polygonal rod is formed, on which the perforated units can preferably be clamped at any distance from one another by means of clamping screws and which in turn can be releasably clamped or latched onto the lower part.
  • the profile or polygonal rod can consist either of a drawn or extruded metal rod or advantageously as an injection molded part made of glass fiber reinforced plastic.
  • a preferably eccentrically arranged or integrally formed, with a suitably open, upwardly open recess for receiving the profile or polygonal rod, and a clamping member engaging in the recess carrying clamp holder is provided, the clamping member expediently as in a set screw guided screw is formed.
  • the clamp holder can be integrally connected to a holder for the spring element, which in turn can have a thrust guide for the aforementioned plunger.
  • Another expedient embodiment of the invention provides that the pressure member is mounted or guided on the lower part of the side cheeks and that the mutually vertically projecting supporting or guiding surfaces on the mutually facing inner surfaces of the side cheeks corresponding to the length of the profile or polygonal rod arranged for the free ends of the profile or polygonal rod are.
  • the support or guide surfaces are expediently aligned with a vertical and a lower horizontal boundary surface of the open-edge recess of the clamp holder.
  • the multiple hole punch shown in the drawing essentially consists of a base 10 that can be set up on a base, a pressure lever 18 that is pivotably mounted on side walls 12 of the base 10 about a horizontal axis 14 and has a handle 16, and a plurality of perforated units that are arranged on the base 10 at adjustable distances from one another 20, a scale carrier 24, which is arranged in an elongated, open-edged recess 22 of the lower part 10 so as to be rotatable about its longitudinal axis, and a stop rail 30 which is arranged in a laterally open recess 26 of the lower part 10 and has a side stop 28 for the documents.
  • the perforated units 20 can be pushed onto a square rod 34 made of glass fiber reinforced plastic with a square opening 32 and can be clamped at any position along the square rod 34 by means of a set screw 36.
  • the square rod 34 forms, with the perforated units 20 clamped in this way, a structural unit which, in its entirety, can be inserted into and removed from the lower part of the perforator (FIG. 3).
  • a clamp holder 38 is integrally formed on the lower part of the punch, which has an upwardly open, continuous opening 40 for receiving the square rod 34 and an adjusting screw 42 which engages in the opening 40 and can be tightened against the square rod.
  • Supporting or guiding surfaces 82 for the free ends 84 of the square rod 34 are arranged on the mutually facing inner surfaces 80 of the side walls 12 which correspond to the length of the square rod 34.
  • the individual punching units 20 have in their lower area an insertion slot 44 for the documents to be punched, a punching die 46 and one under the action of a helical compression spring 48 Return spring with a snap ring 50 held against an upper end stop 52, with its upper end face 54 protruding beyond the perforated unit 20.
  • the punch 56 can be pushed downward against the force of the return spring 48 by pressing down the pressure lever 18 with the aid of the pressure web 66 arranged on it for the purpose of punching through the insertion slot 44 and the punch die 46.
  • a holder 58 is also formed on the lower part 10, which has a vertically oriented guide for a plunger 62 which bears against the pressure web 66 of the pressure lever 18 under the action of a support spring 60.
  • the spring-supported plunger 62 ensures that the pressure lever 18 is lifted in its upper end position from the rear end faces 54 of the punch 56 held against its end stop 52 to form a free space 64 between the end faces 54 and the pressure web 66.
  • the punching units are depressurized and can be easily adjusted in their mutual distance within the lower part.
  • the structural unit consisting of square rod 34 and perforated units 20 can be removed from the lower part with a handle after being loosened, or inserted into the lower part.
  • the invention relates to a punch with a punch lower part 10 at least two perforated units 20 lined up on a rod 34 at an adjustable distance from one another and a pressure lever 18 pivotably mounted on the lower part 10 and acting against the rear end faces 54 of the perforated punches 56 of the perforated units 20 for displacing the perforated punches 56 against the force of a return spring 48 each to enable the perforated units 20 to be easily moved within the perforator and to allow the assembly rod 34 equipped with the perforated units 20 to be replaced easily, the perforated punches 56 strike against an upper end stop 52 of the respective perforated unit 20 in their upper end position under the action of their return spring 48 At least one spring element 60, 62, which bridges the hole units 20, is arranged between the lower punch part 10 and the pressure lever 18 and lifts the pressure lever 18 from the rear end faces 54 of the punch 56 and holds it under prestress against an upper end stop. As a result, the mounting rod 34 can be removed from the lower

Abstract

The invention relates to a perforating device with a perforating device under part (10), at least two punch units (20) threaded on a bar (34) at an adjustable distance from each other, and a pressure lever (18) pivotably mounted on the under part (10) and acting against the backward end surfaces (54) of the hole punch (56) of the punch units (20) to displace the hole punches (56) counter to the force of, in each case, one return spring (48). In order to permit a slight displacement of the punch units (20) within the perforating device and simple exchange of the assembly bar (34) fitted with the punch units (20), the hole punches (56) strike, in their upper end position and under the action of their return springs (48), against an upper end stop (52) of the respective punch unit (20), while between the perforating device under part (10) and the pressure lever (18) there is arranged at least one spring element (60, 62) bridging the punch units (20), which lifts the pressure lever (18) away from the backward end surfaces (54) of the hole punches (56) and holds it under prestress against an upper end stop. As a result, the assembly bar (34) can be removed from the under part (10) as a structural unit, jointly with the punch units (20) threaded thereon. <IMAGE>

Description

Die Erfindung betrifft einen Locher mit einem auf einer Unterlage aufstellbaren Unterteil, mindestens zwei an einem langgestreckten Montageelement des Unterteils in verstellbarem Abstand voneinander aufgereihten, je eine Lochmatrize, einen Einschubschlitz und einen von einer oberen Endstellung aus entgegen der Kraft einer Rückstellfeder durch den Einschubschlitz und die Lochmatrize hindurchverschiebbaren Lochstempel aufweisenden Locheinheiten, und einem am Unterteil schwenkbar gelagerten oder verschiebbar geführten, gegen die rückwärtigen Stirnflächen der Lochstempel einwirkenden, vorzugsweise als Druckhebel ausgebildeten Druckorgan zum Verschieben der Lochstempel.The invention relates to a hole punch with a lower part that can be set up on a base, at least two strings lined up on an elongated mounting element of the lower part at an adjustable distance from each other, one hole matrix, one insertion slot and one from an upper end position against the force of a return spring through the insertion slot and Perforated punch with perforated die, and a punch unit that is pivotably mounted or displaceably guided on the lower part and acts against the rear end faces of the punch, preferably designed as a pressure lever, for moving the punch.

Mit den in ihrem Abstand gegeneinander verstellbaren Locheinheiten ist es möglich, den Locher an unterschiedliche Lochabstände in dem zu lochenden Schriftgut anzupassen. Bei einem bekannten Locher dieser Art sind die Locheinheiten auf einer Rundstange aufgereiht, die in Lagerbohrungen von Seitenwangen des Locherunterteils gelagert ist. Die Montage der Locheinheiten erfolgt daher innerhalb des Lochers bei teilweise aus ihrem Lager herausgezogener Rundstange, wobei die Abstandseinstellung zwischen den Locheinheiten erst erfolgen kann, wenn die Rundstange wieder in ihrer Ausgangslage am Unterteil befestigt ist. Die Locheinheiten weisen dort zwar einen oberen Endanschlag für die unter Federdruck stehenden Lochstempel auf, der dafür sorgt, daß die Locheinheiten als solche ohne die Gefahr eines Auseinanderfallens handhabbar sind. Die obere Endstellung der Lochstempel innerhalb des Lochers wird jedoch nicht durch diese Endanschläge definiert, sondern durch einen Endanschlag des Druckorgans, das somit unter der Einwirkung der vorgespannten Rückstellfedern in seiner oberen Anschlagstellung gehalten wird. Dadurch stehen auch die Locheinheiten unter der Vorspannung ihrer Rück` stellfedern, so daß bei der Abstandsverstellung entweder eine hohe Reibung zu überwinden ist oder die jeweilige Rückstellfeder durch Niederdrücken des Lochstempels oder der Feder von Hand entlastet werden muß.With the perforation units which are adjustable in their spacing from one another, it is possible to adapt the perforator to different perforation spacings in the documents to be perforated. In a known punch of this type, the punch units are lined up on a round rod, which is mounted in bearing holes in the side walls of the punch lower part. The assembly of the perforated units therefore takes place within the perforator with the round rod partially pulled out of its bearing, the distance adjustment between the perforated units only being able to take place when the round rod is fastened to the lower part again in its starting position. The punching units have an upper end stop for the punch under spring pressure, which ensures that the Perforated units as such can be handled without the risk of falling apart. The upper end position of the punch within the punch is not defined by these end stops, but by an end stop of the pressure element, which is thus held in its upper stop position under the action of the prestressed return springs. As a result, the perforated units are also pretensioned by their return springs, so that when adjusting the distance either high friction has to be overcome or the respective return spring must be relieved by pressing down the punch or the spring by hand.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, den bekannten Locher der eingangs angegebenen Art dahingehend zu verbessern, daß die montierten Locheinheiten leichter verschiebbar und einfacher auswechselbar sind.Proceeding from this, the invention has for its object to improve the known punch of the type mentioned in that the assembled punching units are easier to move and easier to replace.

Die erfindungsgemäße Lösung geht von der Erkenntnis aus, daß das Verschieben und Auswechseln der Locheinheiten dadurch erleichtert wird, daß die Locheinheiten in der oberen Endstellung ihrer Lochstempel von der Einwirkung des Druckorgangs entlastet sind und daß das Montageelement und die Lochstempeleinheiten als in ihrer Gesamtheit einteilige Baugruppe auswechselbar sind. Um dies zu erreichen, wird gemäß der Erfindung vorgeschlagen, daß die Lochstempel in ihrer oberen Endstellung unter der Einwirkung ihrer Rückstellfedern gegen einen oberen Endanschlag der jeweiligen Locheinheit anschlagen, daß das Druckorgan von den rückwärtigen Stirnflächen der in ihrer oberen Endstellung befindlichen Lochstempel unter Bildung eines freien Zwischenraums nach oben abhebbar ist und daß bei abgehobenem Druckorgan das Montageelement gemeinsam mit den auf ihm aufgereihten Locheinheiten vom Unterteil abnehmbar ist.The solution according to the invention is based on the knowledge that the displacement and replacement of the punching units is facilitated by the fact that the punching units are relieved of the action of the printing process in the upper end position of their punching dies and that the assembly element and the punching punch units are interchangeable as a unitary assembly as a whole are. To achieve this, it is proposed according to the invention that the punch in their upper end position, under the action of their return springs, strike against an upper end stop of the respective punch unit, that the pressure member can be lifted up from the rear end faces of the punch located in its upper end position to form a free space and that when the pressure member is lifted off, the mounting element can be removed from the lower part together with the hole units lined up on it.

Gemäß einer bevorzugten Ausgestaltung der Erfindung ist zwischen dem Locherunterteil und dem Druckorgan mindestens ein die Locheinheiten überbrückendes Federelement angeordnet, das vorzugsweise eine das Druckorgan von den rückwärtigen Stirnflächen abhebende und unter Vorspannung gegen einen oberen Endanschlag haltende Stützfeder aufweist. Da das Federelement nur das Gewicht des Druckorgans in der Endstellung anzuheben hat, können die Federkräfte der Stützfeder kleiner als die gleichgerichteten Federkräfte der Rückstellfedern der Locheinheiten gewählt werden. Vorteilhafterweise weist das Federelement einen parallel zu den Lochstempeln am Unterteil begrenzt vertikal verschiebbaren, unter der Einwirkung der vorzugsweise als Schraubendruckfeder ausgebildeten Stützfeder stehenden, mit seiner oberen Stirnfläche gegen das Druckorgan anliegenden Stößel auf. Abweichend hiervon kann das Federelement auch durch mindestens eine zwischen einer Seitenwange des Unterteils und dem Druckorgan angeordnete Druck- oder Torsionsfeder gebildet sein.According to a preferred embodiment of the invention, at least one spring element bridging the hole units is arranged between the lower punch part and the pressure element, which preferably has a support spring which lifts the pressure element from the rear end faces and holds it under pretension against an upper end stop. Since the spring element only has to raise the weight of the pressure element in the end position, the spring forces of the support spring can be chosen to be smaller than the rectified spring forces of the return springs of the hole units. Advantageously, the spring element has a parallel vertically displaceable parallel to the punch on the lower part, under the action of the support spring, which is preferably designed as a helical compression spring, with its upper end face against the pressure member. Deviating from this, the spring element can also be formed by at least one compression or torsion spring arranged between a side cheek of the lower part and the pressure element.

Eine weitere bevorzugte Ausgestaltung der Erfindung sieht vor, daß das langgestreckte Montageelement als Profil- oder Mehrkantstange ausgebildet ist, an welcher die Locheinheiten vorzugsweise mittels Klemmschrauben in beliebigen Abständen voneinander anklemmbar sind und die ihrerseits am Unterteil lösbar festklemmbar oder einrastbar ist. Die Profil- oder Mehrkantstange kann dabei entweder als gezogene oder extrudierte Metallstange oder vorteilhafterweise als Spritzgußteil aus glasfaserverstärktem Kunststoff bestehen.Another preferred embodiment of the invention provides that the elongated mounting element as Profile or polygonal rod is formed, on which the perforated units can preferably be clamped at any distance from one another by means of clamping screws and which in turn can be releasably clamped or latched onto the lower part. The profile or polygonal rod can consist either of a drawn or extruded metal rod or advantageously as an injection molded part made of glass fiber reinforced plastic.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung ist am Unterteil ein vorzugsweise außermittig angeordneter oder angeformter, eine zweckmäßig nach oben randoffene durchgehende Aussparung zur Aufnahme der Profil- oder Mehrkantstange aufweisender, sowie ein in die Aussparung eingreifendes Spannorgan tragender Klemmhalter vorgesehen, wobei das Spannorgan zweckmäßig als in einer Gewindebohrung des Klemmhalters geführte Stellschraube ausgebildet ist. Der Klemmhalter kann einstückig mit einer Halterung für das Federelement verbunden sein, die ihrerseits eine Schubführung für den vorgenannten Stößel aufweisen kann.According to a further advantageous embodiment of the invention, a preferably eccentrically arranged or integrally formed, with a suitably open, upwardly open recess for receiving the profile or polygonal rod, and a clamping member engaging in the recess carrying clamp holder is provided, the clamping member expediently as in a set screw guided screw is formed. The clamp holder can be integrally connected to a holder for the spring element, which in turn can have a thrust guide for the aforementioned plunger.

Eine weitere zweckmäßige Ausgestaltung der Erfindung sieht vor, daß das Druckorgan an das Unterteil seitlich begrenzenden Seitenwangen gelagert oder geführt ist und daß an den einander zugewandten, einen der Länge der Profil- oder Mehrkantstange entsprechenden Abstand voneinander aufweisenden Innenflächen der Seitenwangen senkrecht überstehende Stütz- oder Führungsflächen für die freien Enden der Profil- oder Mehrkantstange angeordnet sind. Die Stütz- oder Führungsflächen sind dabei zweckmäßig zu einer vertikalen und einer unteren horizontalen Begrenzungsfläche der randoffenen Aussparung des Klemmhalters fluchtend angeordnet.Another expedient embodiment of the invention provides that the pressure member is mounted or guided on the lower part of the side cheeks and that the mutually vertically projecting supporting or guiding surfaces on the mutually facing inner surfaces of the side cheeks corresponding to the length of the profile or polygonal rod arranged for the free ends of the profile or polygonal rod are. The support or guide surfaces are expediently aligned with a vertical and a lower horizontal boundary surface of the open-edge recess of the clamp holder.

Im folgenden wird die Erfindung anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Fig. 1
eine Vorderansicht eines Mehrfachlochers mit drehbarem Skalenträger und Anschlagschiene in schaubildlicher Darstellung;
Fig. 2
eine Rückseitenansicht des Mehrfachlochers in teilweise aufgebrochener schaubildlicher Darstellung;
Fig. 2a
einen senkrechten Schnitt durch eine Locheinheit;
Fig. 3
das Locherunterteil mit Locheinheitensatz in schaubildlicher Explosionsdarstellung.
The invention is explained in more detail below with reference to an exemplary embodiment schematically illustrated in the drawing. Show it
Fig. 1
a front view of a multi-hole punch with rotatable scale carrier and stop rail in a diagrammatic representation;
Fig. 2
a rear view of the multi-hole punch in a partially broken perspective view;
Fig. 2a
a vertical section through a hole unit;
Fig. 3
the punch lower part with punch unit set in a graphical exploded view.

Der in der Zeichnung dargestellte Mehrfachlocher besteht im wesentlichen aus einem auf einer Unterlage aufstellbaren Unterteil 10, einem an Seitenwangen 12 des Unterteils 10 um eine horizontale Achse 14 schwenkbar gelagerten, einen Handgriff 16 aufweisenden Druckhebel 18, mehreren in einstellbaren Abständen voneinander am Unterteil 10 angeordneten Locheinheiten 20, einem in einer langgestreckten randoffenen Aussparung 22 des Unterteils 10 um seine Längsachse drehbar angeordneten Skalenträger 24 und einer in einer seitlich offenen Aussparung 26 des Unterteils 10 längsverschiebbar angeordneten, einen Seitenanschlag 28 für das Schriftgut aufweisenden Anschlagschiene 30.The multiple hole punch shown in the drawing essentially consists of a base 10 that can be set up on a base, a pressure lever 18 that is pivotably mounted on side walls 12 of the base 10 about a horizontal axis 14 and has a handle 16, and a plurality of perforated units that are arranged on the base 10 at adjustable distances from one another 20, a scale carrier 24, which is arranged in an elongated, open-edged recess 22 of the lower part 10 so as to be rotatable about its longitudinal axis, and a stop rail 30 which is arranged in a laterally open recess 26 of the lower part 10 and has a side stop 28 for the documents.

Die Locheinheiten 20 sind mit einer Vierkantöffnung 32 auf eine Vierkantstange 34 aus glasfaserverstärktem Kunststoff aufschiebbar und mittels je einer Stellschraube 36 an beliebigen Postitionen längs der Vierkantstange 34 festklemmbar. Die Vierkantstange 34 bildet mit den auf diese Weise aufgeklemmten Locheinheiten 20 eine Baueinheit, die in ihrer Gesamtheit in das Locherunterteil einsetzbar und aus diesem herausnehmbar ist (Fig. 3) . Zu diesem Zweck ist am Locherunterteil außermittig ein Klemmhalter 38 angeformt, der eine nach oben offene, durchgehende Öffnung 40 zur Aufnahme der Vierkantstange 34 sowie eine in die Öffnung 40 eingreifende, gegen die Vierkantstange anziehbare Stellschraube 42 aufweist. An den einander zugewandten, einen der Länge der Vierkantstange 34 entsprechenden Abstand voneinander aufweisenden Innenflächen 80 der Seitenwangen 12 sind Stütz- oder Führungsflächen 82 für die freien Enden 84 der Vierkantstange 34 angeordnet.The perforated units 20 can be pushed onto a square rod 34 made of glass fiber reinforced plastic with a square opening 32 and can be clamped at any position along the square rod 34 by means of a set screw 36. The square rod 34 forms, with the perforated units 20 clamped in this way, a structural unit which, in its entirety, can be inserted into and removed from the lower part of the perforator (FIG. 3). For this purpose, a clamp holder 38 is integrally formed on the lower part of the punch, which has an upwardly open, continuous opening 40 for receiving the square rod 34 and an adjusting screw 42 which engages in the opening 40 and can be tightened against the square rod. Supporting or guiding surfaces 82 for the free ends 84 of the square rod 34 are arranged on the mutually facing inner surfaces 80 of the side walls 12 which correspond to the length of the square rod 34.

Die einzelnen Locheinheiten 20 weisen in ihrem unteren Bereich einen Einschubschlitz 44 für das zu lochende Schriftgut, eine Lochmatrize 46 sowie einen unter der Einwirkung einer als Schraubendruckfeder 48 ausgebildeten Rückholfeder mit einem Sprengring 50 gegen einen oberen Endanschlag 52 gehaltenen, mit seiner oberen Stirnfläche 54 über die Locheinheit 20 überstehenden Lochstempel 56 auf. Die Lochstempel 56 können durch Niederdrücken des Druckhebels 18 mit Hilfe des an ihm angeordneten Druckstegs 66 zum Zwecke eines Lochvorgangs durch den Einschubschlitz 44 und die Lochmatrize 46 entgegen der Kraft der Rückholfeder 48 nach unten verschoben werden.The individual punching units 20 have in their lower area an insertion slot 44 for the documents to be punched, a punching die 46 and one under the action of a helical compression spring 48 Return spring with a snap ring 50 held against an upper end stop 52, with its upper end face 54 protruding beyond the perforated unit 20. The punch 56 can be pushed downward against the force of the return spring 48 by pressing down the pressure lever 18 with the aid of the pressure web 66 arranged on it for the purpose of punching through the insertion slot 44 and the punch die 46.

Im Bereich des Klemmhalters 38 ist am Unterteil 10 außerdem eine Halterung 58 angeformt, die eine vertikal ausgerichtete Führung für einen unter der Einwirkung einer Stützfeder 60 gegen den Drucksteg 66 des Druckhebels 18 anliegenden Stößel 62 aufweist. Der federunterstützte Stößel 62 sorgt dafür, daß der Druckhebel 18 in seiner oberen Endstellung von den rückwärtigen Stirnflächen 54 der gegen ihren Endanschlag 52 gehaltenen Lochstempel 56 unter Bildung eines freien Zwischenraums 64 zwischen den Stirnflächen 54 und dem Drucksteg 66 abgehoben wird. Dadurch werden die Locheinheiten druckfrei gestellt und können innerhalb des Unterteils leicht in ihrem gegenseitigen Abstand verstellt werden. Weiter kann dadurch die aus Vierkantstange 34 und Locheinheiten 20 bestehende Baueinheit nach Lösen der Stellschraube 42 mit einem Handgriff aus dem Unterteil entnommen bzw. in dieses eingesetzt werden.In the area of the clamp holder 38, a holder 58 is also formed on the lower part 10, which has a vertically oriented guide for a plunger 62 which bears against the pressure web 66 of the pressure lever 18 under the action of a support spring 60. The spring-supported plunger 62 ensures that the pressure lever 18 is lifted in its upper end position from the rear end faces 54 of the punch 56 held against its end stop 52 to form a free space 64 between the end faces 54 and the pressure web 66. As a result, the punching units are depressurized and can be easily adjusted in their mutual distance within the lower part. Furthermore, the structural unit consisting of square rod 34 and perforated units 20 can be removed from the lower part with a handle after being loosened, or inserted into the lower part.

Zusammenfassend ist folgendes festzustellen: Die Erfindung bezieht sich auf einen Locher mit einem Locherunterteil 10 mindestens zwei an einer Stange 34 in verstellbarem Abstand voneinander aufgereihten Locheinheiten 20 und einem am Unterteil 10 verschwenkbar gelagerten, gegen die rückwärtigen Stirnflächen 54 der Lochstempel 56 der Locheinheiten 20 einwirkenden Druckhebel 18 zum Verschieben der Lochstempel 56 entgegen der Kraft je einer Rückstellfeder 48. Um ein leichtes Verschieben der Locheinheiten 20 innerhalb des Lochers und ein einfaches Auswechseln der mit den Locheinheiten 20 bestückten Montagestange 34 zu ermöglichen, schlagen die Lochstempel 56 in ihrer oberen Endstellung unter der Einwirkung ihrer Rückstellfeder 48 gegen einen oberen Endanschlag 52 der jeweiligen Locheinheit 20 an, während zwischen dem Locherunterteil 10 und dem Druckhebel 18 mindestens ein die Locheinheiten 20 überbrückendes Federelement 60,62 angeordnet ist, das den Druckhebel 18 von den rückwärtigen Stirnflächen 54 der Lochstempel 56 abhebt und unter Vorspannung gegen einen oberen Endanschlag hält. Dadurch kann die Montagestange 34 gemeinsam mit den auf ihr aufgereihten Locheinheiten 20 als Baueinheit vom Unterteil 10 abgenommen werden.In summary, the following can be stated: The invention relates to a punch with a punch lower part 10 at least two perforated units 20 lined up on a rod 34 at an adjustable distance from one another and a pressure lever 18 pivotably mounted on the lower part 10 and acting against the rear end faces 54 of the perforated punches 56 of the perforated units 20 for displacing the perforated punches 56 against the force of a return spring 48 each to enable the perforated units 20 to be easily moved within the perforator and to allow the assembly rod 34 equipped with the perforated units 20 to be replaced easily, the perforated punches 56 strike against an upper end stop 52 of the respective perforated unit 20 in their upper end position under the action of their return spring 48 At least one spring element 60, 62, which bridges the hole units 20, is arranged between the lower punch part 10 and the pressure lever 18 and lifts the pressure lever 18 from the rear end faces 54 of the punch 56 and holds it under prestress against an upper end stop. As a result, the mounting rod 34 can be removed from the lower part 10 together with the hole units 20 lined up on it as a structural unit.

Claims (13)

Locher mit einem auf einer Unterlage aufstellbaren Unterteil (10), mindestens zwei an einem langgestreckten Montageelement (34) des Unterteils (10) in verstellbarem Abstand voneinander aufgereihten, je eine Lochmatrize (46), einen Einschubschlitz (44) und einen von einer oberen Endstellung aus entgegen der Kraft einer Rückstellfeder (48) durch den Einschubschlitz (44) und die Lochmatrize (46) hindurch verschiebbaren Lochstempel (56) aufweisenden Locheinheiten (20), und einem am Unterteil (10) verschwenkbar gelagerten oder verschiebbar geführten, gegen die rückwärtigen Stirnflächen (54) der Lochstempel (56) einwirkenden, vorzugsweise als Druckhebel ausgebildeten Druckorgan (18) zum Verschieben der Lochstempel (56), dadurch gekennzeichnet, daß die Lochstempel (56) in ihrer oberen Endstellung unter der Einwirkung ihrer Rückstellfeder (48) gegen einen oberen Endanschlag (52) der jeweiligen Locheinheit (20) anschlagen, daß das Druckorgan (18) von der rückwärtigen Stirnfläche (54) der in ihrer oberen Endstellung befindlichen Lochstempel (56) unter Bildung eines freien Zwischenraums (64) nach oben abhebbar ist, und daß bei abgehobenem Druckorgan (18) das Montagelement (34) gemeinsam mit den auf ihm aufgereihten Locheinheiten (20) vom Unterteil (10) abnehmbar ist.Punch with a lower part (10) that can be set up on a base, at least two perforated dies (46), an insertion slot (44) and one from an upper end position, each lined up at an elongated mounting element (34) of the lower part (10) at an adjustable distance from one another consisting of perforated units (20) which can be moved against the force of a return spring (48) through the insertion slot (44) and the perforated die (46), and a perforated unit (20) pivotably mounted or displaceably guided on the lower part (10) against the rear end faces (54) of the punch (56) acting, preferably designed as a pressure lever, pressure member (18) for moving the punch (56), characterized in that the punch (56) in its upper end position under the action of its return spring (48) against an upper Stop the end stop (52) of the respective hole unit (20) so that the pressure element (18) is removed from the rear end face (54) the punch (56) located in its upper end position can be lifted upwards to form a free space (64), and that when the pressure element (18) is lifted off, the mounting element (34) together with the perforated units (20) lined up on it from the lower part (10 ) is removable. Locher nach Anspruch 1, dadurch gekennzeichnet, daß zwischen Unterteil (10) und Druckorgan (18) mindestens ein die Locheinheiten überbrückendes Federelement (60,62) angeordnet ist.Punch according to claim 1, characterized in that at least one spring element (60, 62) bridging the hole units is arranged between the lower part (10) and the pressure element (18). Locher nach Anspruch 2, dadurch gekennzeichnet, daß das Federelement (60,62) eine das Druckorgan (18) von den rückwärtigen Stirnflächen (54) der in ihrer oberen Endstellung befindlichen Lochstempel (56) abhebende und unter Vorspannung gegen eine oberen Endanschlag haltende Stützfeder (60) aufweist.Punch according to claim 2, characterized in that the spring element (60, 62) has a support spring (60) which lifts the pressure element (18) from the rear end faces (54) of the punch (56) in its upper end position and holds it under pretension against an upper end stop. 60). Locher nach Anspruch 3, dadurch gekennzeichnet, daß die Federkräfte der Stützfeder (60) und der Rückstellfedern (48) einander gleichgerichtet sind.Punch according to claim 3, characterized in that the spring forces of the support spring (60) and the return springs (48) are aligned in the same direction. Locher nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Federkraft der Stützfeder (60) kleiner als die Federkräfte der Rückstellfedern (48) ist.Punch according to claim 3 or 4, characterized in that the spring force of the support spring (60) is smaller than the spring forces of the return springs (48). Locher nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Federelement einen parallel zu den Lochstempeln (56) am Unterteil (10) begrenzt vertikal verschiebbaren, unter der Einwirkung der vorzugsweise als Schraubendruckfeder ausgebildeten Stützfeder (60) stehenden, mit seiner oberen Stirnfläche gegen das Druckorgan (18,66) anliegenden Stößel (62) aufweist.Punch according to one of claims 1 to 5, characterized in that the spring element has an upper end face with a vertically displaceable parallel to the punch (56) on the lower part (10), under the action of the support spring (60), which is preferably designed as a helical compression spring has plunger (62) bearing against the pressure member (18, 66). Locher nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das langgestreckte Montageelement als Profil- oder Mehrkantstange (34) ausgebildet ist, an welcher die Locheinheiten (20) vorzugsweise mittels Stellschrauben (36) in beliebigen Abständen voneinander anklemmbar sind, und die ihrerseits am Unterteil (10) lösbar festklemmbar oder einrastbar ist.Punch according to one of claims 1 to 6, characterized in that the elongated mounting element is designed as a profile or polygonal rod (34) to which the perforated units (20) can be clamped at any distance from one another, preferably by means of adjusting screws (36), and which in turn can be releasably clamped or latched onto the lower part (10). Locher nach Anspruch 7, dadurch gekennzeichnet, daß die Profil- oder Mehrkantstange (34) als Spritzgußteil aus glasfaserverstärkten Kunststoff besteht.Punch according to claim 7, characterized in that the profile or polygonal rod (34) as an injection molded part consists of glass fiber reinforced plastic. Locher nach einem der Ansprüche 1 bis 8, gekennzeichnet durch einen am Unterteil (10) vorzugsweise außermittig angeordneten oder angeformten, eine vorzugsweise nach oben randoffene durchgehende Öffnung (40) zur Aufnahme des langgestreckten Montageelements (34) aufweisenden und ein in die Öffnung (40) eingreifendes Spannorgan (42) tragenden Klemmhalter (38).Punch according to one of claims 1 to 8, characterized by an opening (40) which is preferably arranged or integrally formed on the lower part (10), has a through opening (40) which is preferably open at the top for receiving the elongated mounting element (34) and is inserted into the opening (40). engaging clamping member (42) carrying clamp holder (38). Locher nach Anspruch 9, gekennzeichnet durch eine vorzugsweise einstückig mit dem Klemmhalter (38) verbundene, zweckmäßig eine Schubführung für den Stößel (62) aufweisende Halterung für das Federelement (60,62).Punch according to claim 9, characterized by a holder for the spring element (60, 62), which is preferably connected in one piece to the clamp holder (38) and expediently has a thrust guide for the plunger (62). Locher nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das Druckorgan (18) an das Unterteil (10) seitlich begrenzenden Seitenwangen (12) gelagert oder geführt ist und daß an den einander zugewandten, einen der Länge des Montageelements entsprechenden Abstand voneinander aufweisenden Innenflächen der Seitenwangen Stütz- oder Führungsflächen für die freien Enden des langgestreckten Montageelements (34) angeordnet sind.Punch according to one of claims 1 to 10, characterized in that the pressure member (18) is mounted or guided on the side walls (12) which laterally delimit the lower part (10) and in that on the one another facing inner surfaces of the side cheeks, corresponding to the length of the mounting element and spaced apart from one another, support or guide surfaces for the free ends of the elongated mounting element (34). Locher nach Anspruch 11, dadurch gekennzeichnet, daß die Stütz- oder Führungsflächen zu einer vertikalen und einer unteren horizontalen Begrenzungsfläche der randoffenen Öffnung (40) des Klemmhalters (38) fluchtend angeordnet sind.Punch according to claim 11, characterized in that the supporting or guiding surfaces are arranged in alignment with a vertical and a lower horizontal boundary surface of the opening (40) of the clamp holder (38) which is open at the edge. Locher nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß das Federelement mindestens eine zwischen einer Seitenwange (12) des Unterteils (10) und dem Druckorgan (18) angeordnete Druck- oder Torsionsfeder aufweist.Punch according to one of claims 1 to 12, characterized in that the spring element has at least one compression or torsion spring arranged between a side cheek (12) of the lower part (10) and the pressure element (18).
EP92113300A 1991-11-08 1992-08-05 Perforating device with adjustable punch units Pending EP0540828A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4136721 1991-11-08
DE4136721A DE4136721A1 (en) 1991-11-08 1991-11-08 HOLES WITH ADJUSTABLE HOLE UNITS

Publications (1)

Publication Number Publication Date
EP0540828A1 true EP0540828A1 (en) 1993-05-12

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ID=6444312

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92113300A Pending EP0540828A1 (en) 1991-11-08 1992-08-05 Perforating device with adjustable punch units
EP92916777A Expired - Lifetime EP0611337B1 (en) 1991-11-08 1992-08-05 Punch with adjustable punching units

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP92916777A Expired - Lifetime EP0611337B1 (en) 1991-11-08 1992-08-05 Punch with adjustable punching units

Country Status (9)

Country Link
EP (2) EP0540828A1 (en)
JP (1) JP3186769B2 (en)
CN (1) CN1072125A (en)
AT (1) ATE154905T1 (en)
AU (1) AU2395992A (en)
DE (2) DE4136721A1 (en)
FI (1) FI941686A0 (en)
HU (1) HUT66225A (en)
WO (1) WO1993008964A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771768A (en) * 1996-03-05 1998-06-30 Malmstrom; Wayne Hole punch with quick-change die assembly
US6047623A (en) * 1996-03-05 2000-04-11 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6363826B1 (en) * 1996-03-05 2002-04-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6536321B2 (en) 1996-03-05 2003-03-25 Performance Design, Inc. Hole punch quick-change die assembly with clamp system
GB2384736A (en) * 2002-01-31 2003-08-06 Acco Uk Ltd Calibrated adjustable hole punch
US6769339B2 (en) 2001-06-25 2004-08-03 General Binding Corporation Die set pin retainer
EP1741526A2 (en) 2005-07-05 2007-01-10 Esselte Leitz GmbH & Co. KG paper punch
EP1775082A1 (en) * 2005-10-13 2007-04-18 Erwin Müller GmbH Punch with adjustable distance between punch heads

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CN103600342A (en) * 2013-12-02 2014-02-26 陕西飞机工业（集团）有限公司 Straight line calibration ruler
CN104070104A (en) * 2014-06-13 2014-10-01 滁州市精华模具制造有限公司 Lateral punching mechanism
CN109571633A (en) * 2018-11-03 2019-04-05 景德镇陶瓷大学 A kind of mold of paper labels punching
CN110901161A (en) * 2019-12-10 2020-03-24 湖北勤善美瓦楞纸品科技有限公司 Corrugating transverse paper creasing machine

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US2382523A (en) * 1943-12-23 1945-08-14 Wilson Jones Co Punch
US2481883A (en) * 1947-09-24 1949-09-13 Metal Specialties Mfg Co Punch apparatus
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SU925627A1 (en) * 1980-08-19 1982-05-07 Предприятие П/Я Г-4129 Puncher
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US2382523A (en) * 1943-12-23 1945-08-14 Wilson Jones Co Punch
US2482218A (en) * 1945-02-26 1949-09-20 Wilson Jones Co Paper perforating device
US2481883A (en) * 1947-09-24 1949-09-13 Metal Specialties Mfg Co Punch apparatus
GB799616A (en) * 1955-04-27 1958-08-13 Pierre Marius Pichon Improvements in or relating to a machine for punching holes in sheets of paper and like material
DE9011236U1 (en) * 1990-07-31 1990-10-04 Ziebarth, Juergen Otto, Dipl.-Kaufm., 7000 Stuttgart, De

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6748839B2 (en) 1996-03-05 2004-06-15 Performance Design, Inc. Hole punch quick-change die assembly with positioning system
US6047623A (en) * 1996-03-05 2000-04-11 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6363826B1 (en) * 1996-03-05 2002-04-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6536321B2 (en) 1996-03-05 2003-03-25 Performance Design, Inc. Hole punch quick-change die assembly with clamp system
US6651540B2 (en) 1996-03-05 2003-11-25 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US5771768A (en) * 1996-03-05 1998-06-30 Malmstrom; Wayne Hole punch with quick-change die assembly
US7036416B2 (en) 1996-03-05 2006-05-02 Performance Design, Inc. Hole punch quick-change die assembly with pin strap and positioning system
US6769339B2 (en) 2001-06-25 2004-08-03 General Binding Corporation Die set pin retainer
GB2384736A (en) * 2002-01-31 2003-08-06 Acco Uk Ltd Calibrated adjustable hole punch
GB2384736B (en) * 2002-01-31 2005-06-22 Acco Uk Ltd Improvements in or relating to a hole punch
EP1741526A2 (en) 2005-07-05 2007-01-10 Esselte Leitz GmbH & Co. KG paper punch
EP1741526A3 (en) * 2005-07-05 2007-04-04 Esselte Leitz GmbH & Co. KG paper punch
EP1775082A1 (en) * 2005-10-13 2007-04-18 Erwin Müller GmbH Punch with adjustable distance between punch heads

Also Published As

Publication number Publication date
DE59208666D1 (en) 1997-08-07
DE4136721A1 (en) 1993-05-13
ATE154905T1 (en) 1997-07-15
EP0611337B1 (en) 1997-07-02
HU9401477D0 (en) 1994-08-29
HUT66225A (en) 1994-10-28
FI941686A (en) 1994-04-12
WO1993008964A1 (en) 1993-05-13
EP0611337A1 (en) 1994-08-24
JPH07501752A (en) 1995-02-23
AU2395992A (en) 1993-06-07
CN1072125A (en) 1993-05-19
JP3186769B2 (en) 2001-07-11
FI941686A0 (en) 1994-04-12

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