EP1903645A1 - Method and device for calibrating a crimping press - Google Patents

Method and device for calibrating a crimping press Download PDF

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Publication number
EP1903645A1
EP1903645A1 EP07015560A EP07015560A EP1903645A1 EP 1903645 A1 EP1903645 A1 EP 1903645A1 EP 07015560 A EP07015560 A EP 07015560A EP 07015560 A EP07015560 A EP 07015560A EP 1903645 A1 EP1903645 A1 EP 1903645A1
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EP
European Patent Office
Prior art keywords
transducer
eccentric shaft
press
pressenbär
stored
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Granted
Application number
EP07015560A
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German (de)
French (fr)
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EP1903645B1 (en
Inventor
Erhard Dipl.-Ing. Anton
Stefan Neubauer
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Schaefer Werkzeug und Sondermaschinenbau GmbH
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Schaefer Werkzeug und Sondermaschinenbau GmbH
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Priority to PL07015560T priority Critical patent/PL1903645T3/en
Publication of EP1903645A1 publication Critical patent/EP1903645A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • H01R43/0486—Crimping apparatus or processes with force measuring means

Definitions

  • the invention relates to a method and a device for calibrating a stop press that contains a Pressenbär vertically displaceable by a motor driven eccentric Pressenbär in which a transducer inserted into the impact press, the Pressenbär is brought by rotation of the eccentric shaft with the transducer into engagement and moved in Crimpposition and in which the Pressenbär relative to the eccentric shaft so in Direction of the transducer is shifted, that results in a desired pressing force.
  • Such a crimping device is from the DE 10041237 B4 known.
  • the Pressenbär is connected by a connecting rod with the eccentric shaft, which is variable in length and makes it possible to change the length when reaching the Crimpposition by means of a control disc so that at a support height of 135.78 mm results in a crimping force of 8.0 kN , These are values that are prescribed by standardization.
  • the Crimpposition is assigned to the bottom dead center of the eccentric shaft. The exact adjustment of the length of the connecting rod is relatively complex in today's quality requirements.
  • the invention is based on the object of further developing the method described above and the apparatus required for its application such that the calibration is simpler and more precise.
  • the method according to the invention thus serves for calibrating a stop press which contains a press drum which can be displaced vertically by a motor-driven eccentric shaft, in which a measuring transducer is inserted into the stop press, the press drum by turning the press drum Eccentric shaft is brought into engagement with the transducer and moved into crimping position and in which the Pressenbär is displaced relative to the eccentric shaft in the direction of the transducer that results in a desired pressing force, wherein the Pressenbär is moved only by the eccentric shaft in the direction of the transducer until the desired pressing force is obtained at an arbitrarily predetermined height of the measuring transducer and that the rotational angle B achieved thereby of the eccentric shaft is stored in a retrievable manner.
  • the invention is based on the recognition that a separate adjustment of the length of the connecting rod is unnecessary if one no longer assigns the Crimpposition the bottom dead center of the eccentric shaft, but a front lying angular position of the eccentric shaft.
  • the correct value in this regard in which the prescribed pressing force at the same time corresponds to the prescribed height of the transducer, may vary depending on the manufacturing tolerances resulting in the production of the stopper press.
  • it once it has been correctly recorded and assigned to a specific impact press, then after inserting a new crimping tool, it can be immediately correctly activated and put into operation with the help of the stored available value. The previous, complex and very inaccurate adjustment of the length of the connecting rod can therefore be completely eliminated.
  • a device for calibrating an impact press comprising a motor-driven eccentric shaft and a press beam which can be displaced vertically, which can be brought into engagement with a transducer and moved into the crimping position by rotation of the eccentric shaft, wherein the transducer contains a force sensor which has a Display device for the dynamic pressing force is connected, wherein the transducer in addition to the force sensor signal generating height measuring device for the transducer contains and the stopper press a signal generating rotation angle sensor for detecting relative rotations of the eccentric shaft, wherein a comparator is provided, the two actual values of the transducer when reaching the Crimpposition with randomly predetermined setpoints to compare, the eccentric shaft is actuated by the signal of the comparator so that an approximation of the Actual values to the setpoints results and wherein the thereby obtained rotation angle B of the eccentric shaft is retrievable and stored.
  • the transducer can be provided with adjusting discs for arbitrary change in the support height H to make specific adjustments to specifics of individual crimping tools can.
  • the adjusting discs touch each other with suitably helical shaped support surfaces, for example, with annular shaped support surfaces which enclose the axis helical. They facilitate a symmetrical initiation of the crimping forces, which is of great advantage in terms of minimizing operational wear.
  • the transducer may include a guide that encloses a relatively movable piston, the piston between the Pressenbär and the force sensor is arranged and wherein the height measuring device is arranged parallel to the force sensor.
  • the transducer is thereby made very robust, which is very favorable in terms of improving the durability under the effect of ongoing crimping.
  • the height measuring device may comprise a capacitive, inductive or piezoelectric measuring device. It is connected in such a configuration by electrical signal conductor to the comparator, it being expedient to connect the transducer and the comparator only by a cable and to transmit all necessary signals through this cable.
  • Figs. 1 and 2 The illustrated by Figs. 1 and 2 method is used to demonstrate the machine quality on a stop press 1, which contains a vertically displaceable by a motor driven eccentric shaft 2 Pressenbär 3, wherein a transducer 4 is inserted into the stop press 1, the Pressenbär 3 by turning the Eccentric shaft 2 is brought into engagement with the transducer 4 and moved in Crimpposition and in which the Pressenbär 3 is displaced relative to the eccentric shaft 2 in the direction of the transducer 4 that results in a desired pressing force.
  • the Pressenbär 3 is moved only by the eccentric shaft 2 in the direction of the transducer 4 until the desired pressing force is obtained at an arbitrarily predetermined height of the transducer 4 and that the achieved angle of rotation B of the eccentric shaft 2 is stored retrievable stored ,
  • the memory required for this purpose can be contained in the comparator 8, in which at the same time the actual values 10 for the pressing force and the support height of the measuring transducer 4 are processed and converted into a signal 9 for controlling the motor of the eccentric shaft 2.
  • the effective pressing force in the measuring transducer 4 can be stored in the memory and, if appropriate, in addition the height of the measuring transducer 4.
  • the device used for calibrating an impact press comprises a motor-driven eccentric shaft 2 and a Pressenbär 3 thereby vertically displaceable, which can be brought into engagement with a transducer 4 and displaced by crimping the eccentric shaft 2 in Crimpposition, wherein the transducer 4 includes a force sensor 5 which is connectable to a display device for the dynamic pressing force, wherein the transducer 4 in addition to the force sensor 5 includes a signal generating height measuring device 6 for the transducer 4 and the stopper press a signal generating rotation angle sensor 7 for detecting relative rotations of the eccentric shaft 2, wherein a comparator 8 is provided which is suitable for comparing the two actual values 10 of the transducer 4 upon reaching the crimping position with arbitrarily predefinable setpoint values, wherein the eccentric shaft 2 can be actuated by the signal 9 of the comparator 8 in such a way that the actual values 10 are matched to the desired values and the thereby obtained rotation angle B of the eccentric shaft 2 is stored storable retrievable.
  • the eccentric shaft 2 starting from the top dead center of the eccentric, moves within the angle of rotation B, resulting in reaching the Crimpposition a backward rotational movement of the eccentric shaft and the Pressenbärs 3.
  • the Crimpposition shown in Fig. 2 is thus achieved before the bottom dead center of the eccentric shaft 2.
  • the eccentric shaft is always returned to the top dead center. It can, as indicated in Fig. 2, are also terminated in a position which is at an angle A before the top dead center, provided that the resulting vertical displacement C corresponds to the desired stroke of Pressenbärs.
  • annular adjusting discs 11, 12 for arbitrary change in the support height H, which is connected by means of a central threaded bolt relatively rotatable with the piston 14 and are pressed by several disc springs self-locking on the top.
  • the adjusting discs 11, 12 touch each other with helical shaped support surfaces which completely enclose the axis.
  • the transducer 4 comprises a guide 13 which encloses a relatively displaceable piston 14, wherein the piston 14 is disposed between the Pressenbär 3 and the force sensor 5 and wherein the height measuring device 6 is arranged parallel to the force sensor 5 and effective.
  • a slide guide 15 prevents a relative rotation of the piston 14 at an adjustment of the adjusting disks 11, 12 and the falling out of the piston from the guide thirteenth
  • the height measuring device 6 may comprise a capacitive, inductive or piezoelectric measuring device.

Abstract

The method involves moving a press bear (3) vertically by a motor driven eccentric shaft (2), with which a readings recorder (4) is inserted in an impact press (1). The press bear is shifted by the eccentric shaft in the direction of the readings recorder, till the desired press capacity is obtained by a level specified arbitrarily and the attainder angle of rotation of the eccentric shaft is stored to be detected upon recalling. An independent claim is also included for a device for calibration of an impact press.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Kalibrierung einer Anschlagpresse, die einen durch eine motorbetriebene Exzenterwelle vertikal verschiebbaren Pressenbär enthält, bei dem ein Messwertaufnehmer in die Anschlagpresse eingesetzt, der Pressenbär durch Verdrehen der Exzenterwelle mit dem Messwertaufnehmer in Eingriff gebracht und in Crimpposition verschoben wird und bei dem der Pressenbär relativ zur Exzenterwelle so in Richtung des Messwertaufnehmers verschoben wird, dass sich eine gewünschte Presskraft ergibt.The invention relates to a method and a device for calibrating a stop press that contains a Pressenbär vertically displaceable by a motor driven eccentric Pressenbär in which a transducer inserted into the impact press, the Pressenbär is brought by rotation of the eccentric shaft with the transducer into engagement and moved in Crimpposition and in which the Pressenbär relative to the eccentric shaft so in Direction of the transducer is shifted, that results in a desired pressing force.

Stand der TechnikState of the art

Eine solche Crimpvorrichtung ist aus der DE 10041237 B4 bekannt. Der Pressenbär ist dabei durch eine Pleuelstange mit der Exzenterwelle verbunden, die längenveränderlich ist und es gestattet, beim Erreichen der Crimpposition die Länge mittels einer Stellscheibe so zu verändern, dass sich bei einer Stützhöhe von 135,78 mm eine Crimpkraft von 8,0 kN ergibt. Dies sind Werte, die durch eine Normung vorgeschrieben sind. Die Crimpposition ist dabei dem unteren Totpunkt der Exzenterwelle zugeordnet. Die exakte Einstellung der Länge der Pleuelstange gestaltet sich bei den heutigen Qualitätsansprüchen relativ aufwändig.Such a crimping device is from the DE 10041237 B4 known. The Pressenbär is connected by a connecting rod with the eccentric shaft, which is variable in length and makes it possible to change the length when reaching the Crimpposition by means of a control disc so that at a support height of 135.78 mm results in a crimping force of 8.0 kN , These are values that are prescribed by standardization. The Crimpposition is assigned to the bottom dead center of the eccentric shaft. The exact adjustment of the length of the connecting rod is relatively complex in today's quality requirements.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zu Grunde, das eingangs beschriebene Verfahren und die zu seiner Anwendung benötigte Vorrichtung derart weiter zu entwickeln, dass sich die Kalibrierung einfacher und präziser gestaltet.The invention is based on the object of further developing the method described above and the apparatus required for its application such that the calibration is simpler and more precise.

Diese Aufgabe wird erfindungsgemäß bei einem Verfahren der eingangs genannten Art durch die kennzeichnenden Merkmale von Anspruch 1 und 4 gelöst. Auf vorteilhafte Ausgestaltungen nehmen die jeweils darauf rückbezogenen Unteransprüche Bezug.This object is achieved by a method of the type mentioned by the characterizing features of claim 1 and 4. In advantageous embodiments, the respective refer back to dependent claims.

Das erfindungsgemäße Verfahren dient somit zur Kalibrierung einer Anschlagpresse, die einen durch eine motorbetriebene Exzenterwelle vertikal verschiebbaren Pressenbär enthält, bei dem ein Messwertaufnehmer in die Anschlagpresse eingesetzt, der Pressenbär durch Verdrehen der Exzenterwelle mit dem Messwertaufnehmer in Eingriff gebracht und in Crimpposition verschoben wird und bei dem der Pressenbär relativ zur Exzenterwelle so in Richtung des Messwertaufnehmers verschoben wird, dass sich eine gewünschte Presskraft ergibt, wobei der Pressenbär nur durch die Exzenterwelle in Richtung des Messwertaufnehmer verschoben wird, bis die gewünschte Presskraft bei einer willkürlich vorgegebenen Höhe des Messwertaufnehmers erhalten wird und dass der dabei erreichte Drehwinkel B der Exzenterwelle erfasst abrufbar gespeichert wird. Dabei geht die Erfindung aus von der Erkenntnis, dass sich eine separate Einstellung der Länge der Pleuelstange erübrigt, wenn man die Crimpposition nicht mehr dem unteren Totpunkt der Exzenterwelle zuordnet, sondern einer davor liegenden Winkelposition der Exzenterwelle. Der diesbezüglich richtige Wert, bei dem die vorgeschriebene Presskraft zugleich der vorgeschriebenen Höhe des Messwertaufnehmers entspricht, kann in Abhängigkeit von den sich bei der Herstellung der Anschlagpresse ergebenden Fertigungstoleranzen variieren. Ist er jedoch einmal richtig erfasst und einer bestimmten Anschlagpresse zugeordnet, dann kann diese nach dem Einfügen eines neuen Crimpwerkzeuges mit Hilfe des abgespeichert verfügbaren Wertes sofort richtig angesteuert und in Betrieb genommen werden. Die bisherige, aufwändige und sehr ungenaue Einstellung der Länge der Pleuelstange kann daher völlig entfallen.The method according to the invention thus serves for calibrating a stop press which contains a press drum which can be displaced vertically by a motor-driven eccentric shaft, in which a measuring transducer is inserted into the stop press, the press drum by turning the press drum Eccentric shaft is brought into engagement with the transducer and moved into crimping position and in which the Pressenbär is displaced relative to the eccentric shaft in the direction of the transducer that results in a desired pressing force, wherein the Pressenbär is moved only by the eccentric shaft in the direction of the transducer until the desired pressing force is obtained at an arbitrarily predetermined height of the measuring transducer and that the rotational angle B achieved thereby of the eccentric shaft is stored in a retrievable manner. The invention is based on the recognition that a separate adjustment of the length of the connecting rod is unnecessary if one no longer assigns the Crimpposition the bottom dead center of the eccentric shaft, but a front lying angular position of the eccentric shaft. The correct value in this regard, in which the prescribed pressing force at the same time corresponds to the prescribed height of the transducer, may vary depending on the manufacturing tolerances resulting in the production of the stopper press. However, once it has been correctly recorded and assigned to a specific impact press, then after inserting a new crimping tool, it can be immediately correctly activated and put into operation with the help of the stored available value. The previous, complex and very inaccurate adjustment of the length of the connecting rod can therefore be completely eliminated.

Als vorteilhaft hat es sich erwiesen, wenn zusätzlich die im Messwertaufnehmer beim Erreichen der Crimpposition wirksame Presskraft gespeichert wird. Ferner ist es zweckmäßig, die sich beim Erreichen der Crimpposition ergebende die Höhe des Messwertaufnehmers abrufbar zu speichern. Hierdurch lassen sich alle für die Erzeugung einer guten Crimpqualität relevanten Werte mit höchste Präzision einstellen und Bedarf gezielt verbessern.It has proved to be advantageous if, in addition, the effective pressing force in the measuring transducer when reaching the crimping position is stored. Furthermore, it is expedient to store the height of the measuring sensor retrievable when the crimping position is reached. In this way, all values relevant for the generation of a good crimp quality can be set with the highest precision and specific requirements can be improved.

Als vorteilhaft hat sich eine Vorrichtung zur Kalibrierung einer Anschlagpresse bewährt, umfassend eine motorgetriebene Exzenterwelle und einen dadurch vertikal verschiebbaren Pressenbär, der mit einem Messwertaufnehmer in Eingriff bringbar und durch Verdrehen der Exzenterwelle in Crimpposition verschiebbar ist, wobei der Messwertaufnehmer einen Kraftsensor enthält, der mit einem Anzeigegerät für die dynamische Presskraft verbindbar ist, wobei der Messwertaufnehmer zusätzlich zu dem Kraftsensor eine signalerzeugende Höhenmesseinrichtung für den Messwertaufnehmer enthält und die Anschlagpresse einen signalerzeugenden Drehwinkelsensor zur Erfassung von Relativverdrehungen der Exzenterwelle, wobei ein Komparator vorgesehen ist, der die beiden Istwerte des Messwertaufnehmers beim Erreichen der Crimpposition mit willkürlich vorgebbaren Sollwerten zu vergleichen geeignet ist, wobei die Exzenterwelle durch das Signal des Komparators so betätigbar ist, dass sich eine Angleichung der Istwerte an die Sollwerte ergibt und wobei der dabei erhaltende Drehwinkel B der Exzenterwelle abrufbar und abspeicherbar ist.A device for calibrating an impact press has proved to be advantageous, comprising a motor-driven eccentric shaft and a press beam which can be displaced vertically, which can be brought into engagement with a transducer and moved into the crimping position by rotation of the eccentric shaft, wherein the transducer contains a force sensor which has a Display device for the dynamic pressing force is connected, wherein the transducer in addition to the force sensor signal generating height measuring device for the transducer contains and the stopper press a signal generating rotation angle sensor for detecting relative rotations of the eccentric shaft, wherein a comparator is provided, the two actual values of the transducer when reaching the Crimpposition with randomly predetermined setpoints to compare, the eccentric shaft is actuated by the signal of the comparator so that an approximation of the Actual values to the setpoints results and wherein the thereby obtained rotation angle B of the eccentric shaft is retrievable and stored.

Der Messwertaufnehmer kann dabei mit Verstellscheiben zur willkürlichen Veränderung der Stützhöhe H versehen sein, um gezielte Anpassungen an Besonderheiten von einzelnen Crimpwerkzeugen vornehmen zu können.The transducer can be provided with adjusting discs for arbitrary change in the support height H to make specific adjustments to specifics of individual crimping tools can.

Die Verstellscheiben berühren einander mit zweckmäßig schraubengangförmig gestalteteten Stützflächen, beispielsweise mit kreisringförmig gestalteten Stützflächen, die die Achse schraubengangförmig umschließen. Sie erleichtern eine symmetrische Einleitung der Crimpkräfte, was in Bezug auf die Minimierung des betriebsbedingten Verschleißes von großem Vorteil ist.The adjusting discs touch each other with suitably helical shaped support surfaces, for example, with annular shaped support surfaces which enclose the axis helical. They facilitate a symmetrical initiation of the crimping forces, which is of great advantage in terms of minimizing operational wear.

Der Messwertaufnehmer kann eine Führung umfassen, die einen relativ verschiebbaren Kolben umschließt, wobei der Kolben zwischen dem Pressenbär und dem Kraftsensor angeordnet ist und wobei die Höhenmesseinrichtung parallel zu dem Kraftsensor angeordnet ist. Der Meßwertaufnehmer ist dadurch sehr robust gestaltet, was in Bezug auf die Verbesserung der Dauerhaltbarkeit unter der Wirkung andauernder Crimpkräfte sehr günstig ist.The transducer may include a guide that encloses a relatively movable piston, the piston between the Pressenbär and the force sensor is arranged and wherein the height measuring device is arranged parallel to the force sensor. The transducer is thereby made very robust, which is very favorable in terms of improving the durability under the effect of ongoing crimping.

Die Höhenmesseinrichtung kann eine kapazitiv, induktiv oder piezoelektrische Messeinrichtung umfassen. Sie ist bei einer solchen Ausbildung durch elektrische Signalleiter mit dem Komparator verbunden, wobei es zweckmäßig ist, den Messwertaufnehmer und den Komparator nur durch ein Kabel zu verbinden und durch dieses Kabel alle benötigten Signale zu übertragen.The height measuring device may comprise a capacitive, inductive or piezoelectric measuring device. It is connected in such a configuration by electrical signal conductor to the comparator, it being expedient to connect the transducer and the comparator only by a cable and to transmit all necessary signals through this cable.

Kurzbeschreibung der ZeichnungBrief description of the drawing

Eine beispielhafte Ausführung der Erfindung ist in der beiliegenden Zeichnung dargestellt. Sie wird nachfolgend näher erläutert.An exemplary embodiment of the invention is illustrated in the accompanying drawings. It will be explained in more detail below.

Es zeigen:

  • Fig. 1 den Aufbau und die Durchführung des erfindungsgemäßen Verfahrens an Hand einer schematischen Darstellung
  • Fig. 2 die Darstellung gemäß Fig. 1 in einer Ansicht von vorn, wobei sich der Pressenbär in Crimpposition befindet
  • Fig. 3 eine beispielhafte Messeinrichtung in längsgeschnittner Darstellung
Show it:
  • Fig. 1 shows the structure and implementation of the method according to the invention with reference to a schematic representation
  • Fig. 2 shows the illustration of FIG. 1 in a front view, wherein the Pressenbär is in Crimpposition
  • Fig. 3 shows an exemplary measuring device in längsgeschnittner representation

Ausführung der ErfindungEmbodiment of the invention

Das durch die Fig. 1 und 2 verdeutlichte Verfahren dient zum Nachweis der Maschinengüte an einer Anschlagpresse 1, die einen durch eine motorbetriebene Exzenterwelle 2 vertikal verschiebbaren Pressenbär 3 enthält, wobei ein Messwertaufnehmer 4 in die Anschlagpresse 1 eingesetzt ist, der Pressenbär 3 durch Verdrehen der Exzenterwelle 2 mit dem Messwertaufnehmer 4 in Eingriff gebracht und in Crimpposition verschoben wird und bei dem der Pressenbär 3 relativ zur Exzenterwelle 2 so in Richtung des Messwertaufnehmers 4 verschoben wird, dass sich eine gewünschte Presskraft ergibt. Dabei ist es vorgesehen, dass der Pressenbär 3 nur durch die Exzenterwelle 2 in Richtung des Messwertaufnehmer 4 verschoben wird, bis die gewünschte Presskraft bei einer willkürlich vorgegebenen Höhe des Messwertaufnehmers 4 erhalten wird und dass der dabei erreichte Drehwinkel B der Exzenterwelle 2 erfasst abrufbar gespeichert wird. Der dafür benötigte Speicher kann in dem Komparator 8 enthalten sein, in dem zugleich auch die Istwerte 10 für die Presskraft und die Stützhöhe des Messwertaufnehmers 4 verarbeitet und in ein Signal 9 zur Steuerung des Motors der Exzenterwelle 2 umgewandelt werden.The illustrated by Figs. 1 and 2 method is used to demonstrate the machine quality on a stop press 1, which contains a vertically displaceable by a motor driven eccentric shaft 2 Pressenbär 3, wherein a transducer 4 is inserted into the stop press 1, the Pressenbär 3 by turning the Eccentric shaft 2 is brought into engagement with the transducer 4 and moved in Crimpposition and in which the Pressenbär 3 is displaced relative to the eccentric shaft 2 in the direction of the transducer 4 that results in a desired pressing force. It is provided that the Pressenbär 3 is moved only by the eccentric shaft 2 in the direction of the transducer 4 until the desired pressing force is obtained at an arbitrarily predetermined height of the transducer 4 and that the achieved angle of rotation B of the eccentric shaft 2 is stored retrievable stored , The memory required for this purpose can be contained in the comparator 8, in which at the same time the actual values 10 for the pressing force and the support height of the measuring transducer 4 are processed and converted into a signal 9 for controlling the motor of the eccentric shaft 2.

In dem Speicher kann zusätzlich die im Messwertaufnehmer 4 wirksame Presskraft gespeichert werden und gegebenenfalls zusätzlich die Höhe des Messwertaufnehmers 4.In addition, the effective pressing force in the measuring transducer 4 can be stored in the memory and, if appropriate, in addition the height of the measuring transducer 4.

Die dazu verwendete Vorrichtung zur Kalibrierung einer Anschlagpresse umfasst eine motorgetriebene Exzenterwelle 2 und einen dadurch vertikal verschiebbaren Pressenbär 3, der mit einem Messwertaufnehmer 4 in Eingriff bringbar und durch Verdrehen der Exzenterwelle 2 in Crimpposition verschiebbar ist, wobei der Messwertaufnehmer 4 einen Kraftsensor 5 enthält, der mit einem Anzeigegerät für die dynamische Presskraft verbindbar ist, wobei der Messwertaufnehmer 4 zusätzlich zu dem Kraftsensor 5 eine signalerzeugende Höhenmesseinrichtung 6 für den Messwertaufnehmer 4 enthält und die Anschlagpresse einen signalerzeugenden Drehwinkelsensor 7 zur Erfassung von Relativverdrehungen der Exzenterwelle 2, wobei ein Komparator 8 vorgesehen ist, der die beiden Istwerte 10 des Messwertaufnehmers 4 beim Erreichen der Crimpposition mit willkürlich vorgebbaren Sollwerten zu vergleichen geeignet ist, wobei die Exzenterwelle 2 durch das Signal 9 des Komparators 8 so betätigbar ist, dass sich eine Angleichung der Istwerte 10 an die Sollwerte ergibt und wobei der dabei erhaltende Drehwinkel B der Exzenterwelle 2 abrufbar abspeicherbar ist.The device used for calibrating an impact press comprises a motor-driven eccentric shaft 2 and a Pressenbär 3 thereby vertically displaceable, which can be brought into engagement with a transducer 4 and displaced by crimping the eccentric shaft 2 in Crimpposition, wherein the transducer 4 includes a force sensor 5 which is connectable to a display device for the dynamic pressing force, wherein the transducer 4 in addition to the force sensor 5 includes a signal generating height measuring device 6 for the transducer 4 and the stopper press a signal generating rotation angle sensor 7 for detecting relative rotations of the eccentric shaft 2, wherein a comparator 8 is provided which is suitable for comparing the two actual values 10 of the transducer 4 upon reaching the crimping position with arbitrarily predefinable setpoint values, wherein the eccentric shaft 2 can be actuated by the signal 9 of the comparator 8 in such a way that the actual values 10 are matched to the desired values and the thereby obtained rotation angle B of the eccentric shaft 2 is stored storable retrievable.

Während der bestimmungsgemäßen Verwendung bewegt sich die Exzenterwelle 2, ausgehend vom oberen Totpunkt des Exzenters, innerhalb des Drehwinkels B, wobei sich an das Erreichen der Crimpposition eine rückwärts gerichtete Drehbewegung der Exzenterwelle und des Pressenbärs 3 ergibt. Die in Fig. 2 gezeigte Crimpposition wird somit vor dem unteren Totpunkt der Exzenterwelle 2 erreicht.During the intended use, the eccentric shaft 2, starting from the top dead center of the eccentric, moves within the angle of rotation B, resulting in reaching the Crimpposition a backward rotational movement of the eccentric shaft and the Pressenbärs 3. The Crimpposition shown in Fig. 2 is thus achieved before the bottom dead center of the eccentric shaft 2.

Es ist verzichtbar, dass die Exzenterwelle immer in den oberen Totpunkt zurückgeführt wird. Sie kann, wie in Fig. 2 angedeutet, auch in einer Position beendet werden, die in einem Winkel A vor dem oberen Totpunkt liegt, sofern die sich dabei ergebende Höhenverlagerung C dem gewünschten Hub des Pressenbärs entspricht.It is dispensable that the eccentric shaft is always returned to the top dead center. It can, as indicated in Fig. 2, are also terminated in a position which is at an angle A before the top dead center, provided that the resulting vertical displacement C corresponds to the desired stroke of Pressenbärs.

Der in Fig. 3 in längsgeschnittener Darstellung wiedergegebene Messwertaufnehmer 4 ist zusätzlich mit ringförmigen Verstellscheiben 11, 12 zur willkürlichen Veränderung der Stützhöhe H versehen, die mittels eines zentralen Gewindebolzens relativ verdrehbar mit dem Kolben 14 verbunden und durch mehrere Tellerfedern selbsthemmend an dessen Oberseite angepresst sind.The reproduced in Fig. 3 in longitudinal sectional view transducer 4 is additionally provided with annular adjusting discs 11, 12 for arbitrary change in the support height H, which is connected by means of a central threaded bolt relatively rotatable with the piston 14 and are pressed by several disc springs self-locking on the top.

Die Verstellscheiben 11, 12 berühren einander mit schraubengangförmig gestalteteten Stützflächen, die die Achse ganz umschließen.The adjusting discs 11, 12 touch each other with helical shaped support surfaces which completely enclose the axis.

Der Messwertaufnehmer 4 umfasst eine Führung 13, die einen relativ verschiebbaren Kolben 14 umschließt, wobei der Kolben 14 zwischen dem Pressenbär 3 und dem Kraftsensor 5 angeordnet ist und wobei die Höhenmesseinrichtung 6 parallel zu dem Kraftsensor 5 angeordnet und wirksam ist. Eine Kulissenführung 15 verhindert eine Relativverdrehung des Kolbens 14 bei einer Verstellung der Verstellscheiben 11, 12 sowie das herausfallen des Kolbens aus der Führung 13.The transducer 4 comprises a guide 13 which encloses a relatively displaceable piston 14, wherein the piston 14 is disposed between the Pressenbär 3 and the force sensor 5 and wherein the height measuring device 6 is arranged parallel to the force sensor 5 and effective. A slide guide 15 prevents a relative rotation of the piston 14 at an adjustment of the adjusting disks 11, 12 and the falling out of the piston from the guide thirteenth

Die Höhenmesseinrichtung 6 kann eine kapazitiv, induktiv oder piezoelektrische Messeinrichtung umfassen.The height measuring device 6 may comprise a capacitive, inductive or piezoelectric measuring device.

Claims (8)

Verfahren zur Kalibrierung einer Anschlagpresse (1), die einen durch eine motorbetriebene Exzenterwelle (2) vertikal verschiebbaren Pressenbär (3) enthält, bei dem ein Messwertaufnehmer (4) in die Anschlagpresse (1) eingesetzt, der Pressenbär (3) durch Verdrehen der Exzenterwelle (2)mit dem Messwertaufnehmer (4) in Eingriff gebracht und in Crimpposition verschoben wird und bei dem der Pressenbär (3) relativ zur Exzenterwelle (2) so in Richtung des Messwertaufnehmers (4) verschoben wird, dass sich eine gewünschte Presskraft ergibt, dadurch gekennzeichnet, dass der Pressenbär (3) nur durch die Exzenterwelle (2) in Richtung des Messwertaufnehmer (4) verschoben wird, bis die gewünschte Presskraft bei einer willkürlich vorgegebenen Höhe des Messwertaufnehmers (4) erhalten wird und dass der dabei erreichte Drehwinkel (B) der Exzenterwelle (2) erfasst abrufbar gespeichert wird.Method for calibrating a stop press (1) which contains a press drum (3) which can be displaced vertically by a motor-driven eccentric shaft (2), in which a transducer (4) is inserted into the stop press (1), the press drum (3) by turning the eccentric shaft (2) is brought into engagement with the transducer (4) and moved into crimping position and in which the Pressenbär (3) relative to the eccentric shaft (2) in the direction of the transducer (4) is displaced so that a desired pressing force results, characterized characterized in that the Pressenbär (3) only by the eccentric shaft (2) in the direction of the transducer (4) is moved until the desired pressing force at an arbitrary predetermined height of the transducer (4) is obtained and that the thereby achieved rotation angle (B) the eccentric shaft (2) is stored retrievable stored. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die zusätzlich die im Messwertaufnehmer (4) wirksame Presskraft gespeichert wird.A method according to claim 1, characterized in that the additionally in the transducer (4) effective pressing force is stored. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zusätzlich die Höhe des Messwertaufnehmers (4) gespeichert wird.A method according to claim 1 or 2, characterized in that in addition the height of the transducer (4) is stored. Vorrichtung zur Kalibrierung einer Anschlagpresse, umfassend eine motorgetriebene Exzenterwelle (2)und einen dadurch vertikal verschiebbaren Pressenbär (3), der mit einem Messwertaufnehmer (4) in Eingriff bringbar und durch Verdrehen der Exzenterwelle (2) in Crimpposition verschiebbar ist, wobei der Messwertaufnehmer (4) einen Kraftsensor (5) enthält, der mit einem Anzeigegerät für die dynamische Presskraft verbindbar ist, dadurch gekennzeichnet, dass der Messwertaufnehmer (4) zusätzlich zu dem Kraftsensor (5) eine signalerzeugende Höhenmesseinrichtung (6) für den Messwertaufnehmer (4) enthält und die Anschlagpresse einen signalerzeugenden Drehwinkelsensor (7) zur Erfassung von Relativverdrehungen der Exzenterwelle (2), dass ein Komparator (8) vorgesehen ist, der die beiden Istwerte (10) des Messwertaufnehmers (4) beim Erreichen der Crimpposition mit willkürlich vorgebbaren Sollwerten zu vergleichen geeignet ist, dass die Exzenterwelle (2) durch das Signal (9) des Komparators (8) so betätigbar ist ist, dass sich eine Angleichung der (10) Istwerte an die Sollwerte ergibt und dass der dabei erhaltende Drehwinkel (B) der Exzenterwelle (2) abrufbar abspeicherbar ist.Apparatus for calibrating an impact press, comprising a motor-driven eccentric shaft (2) and a Pressenbär (3) thereby vertically displaceable engageable with a transducer (4) and displaceable in crimping position by rotation of the eccentric shaft (2), wherein the transducer ( 4) one Force sensor (5), which is connectable to a display device for the dynamic pressing force, characterized in that the transducer (4) in addition to the force sensor (5) includes a signal-generating height measuring device (6) for the transducer (4) and the stop press a Signal generating rotation angle sensor (7) for detecting relative rotations of the eccentric shaft (2), that a comparator (8) is provided, which is the two actual values (10) of the transducer (4) when comparing the Crimpposition with arbitrarily specifiable setpoints to compare that the eccentric shaft (2) can be actuated by the signal (9) of the comparator (8) in such a way that an approximation of the (10) actual values to the nominal values results and that the thereby obtained rotational angle (B) of the eccentric shaft (2) can be stored in a retrievable manner is. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Messwertaufnehmer (4) mit Verstellscheiben (11, 12) zur willkürlichen Veränderung der Stützhöhe (H) versehen ist.Apparatus according to claim 4, characterized in that the transducer (4) with adjusting discs (11, 12) for arbitrary change of the support height (H) is provided. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Verstellscheiben (11, 12) einander mit schraubengangförmig gestalteteten Stützflächen berühren.Apparatus according to claim 5, characterized in that the adjusting discs (11, 12) touch each other with helical shaped support surfaces. Vorrichtung nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass der Messwertaufnehmer (4) eine Führung (13) umfasst, die einen relativ verschiebbaren Kolben (14) umschließt, dass der Kolben (14) zwischen dem Pressenbär (3) und dem Kraftsensor (5) angeordnet ist und dass die Höhenmesseinrichtung (6) parallel zu dem Kraftsensor (5).Device according to one of claims 4 to 6, characterized in that the transducer (4) comprises a guide (13) which encloses a relatively displaceable piston (14), that the piston (14) between the Pressenbär (3) and the force sensor (5) is arranged and that the height measuring device (6) parallel to the force sensor (5). Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Höhenmesseinrichtung (6) eine kapazitiv, induktiv oder piezoelektrische Messeinrichtung umfasst.Apparatus according to claim 7, characterized in that the height measuring device (6) comprises a capacitive, inductive or piezoelectric measuring device.
EP07015560A 2006-09-16 2007-08-08 Method and device for calibrating a crimping press Active EP1903645B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07015560T PL1903645T3 (en) 2006-09-16 2007-08-08 Method and device for calibrating a crimping press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006043561A DE102006043561B3 (en) 2006-09-16 2006-09-16 Method and device for calibrating an impact press

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EP1903645A1 true EP1903645A1 (en) 2008-03-26
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AT (1) ATE421175T1 (en)
DE (2) DE102006043561B3 (en)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3466662A1 (en) * 2017-10-09 2019-04-10 Sick AG Secure control device and method for adjusting the stroke length of an eccentric press
WO2020207645A1 (en) * 2019-04-09 2020-10-15 Kramer W Dieter Method and measuring device for measuring or calibrating utensils in pressing processes

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Publication number Priority date Publication date Assignee Title
US5271254A (en) * 1989-12-05 1993-12-21 The Whitaker Corporation Crimped connector quality control method apparatus
US5275032A (en) * 1990-05-30 1994-01-04 The Whitaker Corporation Method and apparatus for controlling the crimp height of crimped electrical connections
US5921125A (en) * 1996-06-12 1999-07-13 Yazaki Corporation Control method of terminal crimping device
EP1202404A1 (en) * 2000-10-30 2002-05-02 Komax Holding Ag Method and apparatus for crimping

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Publication number Priority date Publication date Assignee Title
EP0884811B1 (en) * 1997-06-12 2003-01-22 komax Holding AG Method and machine for making crimp connections
DE10041237B4 (en) * 2000-08-22 2006-02-02 Engberts & Schäfer GmbH Method and device for detecting machine quality on stop presses

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271254A (en) * 1989-12-05 1993-12-21 The Whitaker Corporation Crimped connector quality control method apparatus
US5275032A (en) * 1990-05-30 1994-01-04 The Whitaker Corporation Method and apparatus for controlling the crimp height of crimped electrical connections
US5921125A (en) * 1996-06-12 1999-07-13 Yazaki Corporation Control method of terminal crimping device
EP1202404A1 (en) * 2000-10-30 2002-05-02 Komax Holding Ag Method and apparatus for crimping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3466662A1 (en) * 2017-10-09 2019-04-10 Sick AG Secure control device and method for adjusting the stroke length of an eccentric press
WO2020207645A1 (en) * 2019-04-09 2020-10-15 Kramer W Dieter Method and measuring device for measuring or calibrating utensils in pressing processes
US11897220B2 (en) 2019-04-09 2024-02-13 Dietmar W Kramer Method for measuring or calibrating utensils used in a press

Also Published As

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DE502007000382D1 (en) 2009-03-05
ES2318811T3 (en) 2009-05-01
DE102006043561B3 (en) 2008-04-30
EP1903645B1 (en) 2009-01-14
ATE421175T1 (en) 2009-01-15
PL1903645T3 (en) 2009-08-31

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