EP1879266A2 - Procédé et dispositif destinés au réglage du mouvement de levée d'un dispositif de sertissage - Google Patents

Procédé et dispositif destinés au réglage du mouvement de levée d'un dispositif de sertissage Download PDF

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Publication number
EP1879266A2
EP1879266A2 EP07012768A EP07012768A EP1879266A2 EP 1879266 A2 EP1879266 A2 EP 1879266A2 EP 07012768 A EP07012768 A EP 07012768A EP 07012768 A EP07012768 A EP 07012768A EP 1879266 A2 EP1879266 A2 EP 1879266A2
Authority
EP
European Patent Office
Prior art keywords
crimping
eccentric pin
dead center
eccentric
eccentric shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07012768A
Other languages
German (de)
English (en)
Other versions
EP1879266B1 (fr
EP1879266A3 (fr
Inventor
Bernhard Schäfer
Markus Schäfer
Stefan Neubauer
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.)
Schaefer Werkzeug und Sondermaschinenbau GmbH
Original Assignee
Schaefer Werkzeug und Sondermaschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaefer Werkzeug und Sondermaschinenbau GmbH filed Critical Schaefer Werkzeug und Sondermaschinenbau GmbH
Priority to PL07012768T priority Critical patent/PL1879266T3/pl
Publication of EP1879266A2 publication Critical patent/EP1879266A2/fr
Publication of EP1879266A3 publication Critical patent/EP1879266A3/fr
Application granted granted Critical
Publication of EP1879266B1 publication Critical patent/EP1879266B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01R43/0488—Crimping apparatus or processes with crimp height adjusting means

Definitions

  • the invention relates to a method and a device for adjusting the lifting movement of a crimping device for crimping contact elements on a wire with the aid of a crimping tool driven by an eccentric pin of an eccentric shaft, in which the eccentric pin executes a pivoting movement in the direction of the crimping position, starting from a freely selectable initial position.
  • the Crimpposition is placed on the bottom dead center of the eccentric pin and the eccentric pin is swung in each crimping beyond its bottom dead center into an end position, which is arranged in mirror image to its initial position, based on a direction parallel to the direction of movement of the upper part of the crimping tool in the axis of rotation the eccentric shaft erected imaginary plane, and wherein the end position is used as an initial position for the next crimping.
  • the cooperating with a stationary anvil crimping tool is in a guide of a machine housing vertically up and down movable by a connecting rod, which is pivotally mounted on the one hand in the crimping tool and on the other hand pivotally mounted on the eccentric pin of the eccentric shaft.
  • the eccentric shaft is pivotable on a segment of a circular arc, whose start and end points are freely selectable and thus can also be brought into mirror-image positions.
  • the stroke of the crimping tool is adjustable.
  • a complex drive is required to ensure the free selectability of the start and end points of the pivoting movement.
  • it is relatively complicated to set the correct pivoting each because each two positions must be determined and reconciled with each other to obtain a stroke of defined size.
  • the invention is based on the object to show such a method and a device suitable for its use, which makes it easier to change the hub, which is generally easier to handle and for the application of a simpler built device satisfies.
  • the initial and the end positions are rigidly coupled to one another and can only be adjusted together.
  • the stroke of the crimping device it is thereby sufficient to change a single setting. This is to be evaluated as a significant advantage.
  • the device required to carry out the method is much simpler than previously designed.
  • a position as the initial position, which, measured in the direction of movement of the crimping tool during crimping, 10 mm lower than the top dead center of the eccentric pin. This results in a stroke of 30 mm, which is also required for many standard tools.
  • a device with a crimping tool driven by an eccentric pin of an eccentric shaft, in which the initial and the end positions of the eccentric pin are rigidly coupled to one another and can only be selected and adjusted together, has proven particularly suitable for carrying out the method.
  • Such a device is very simple and can be operated extremely easily.
  • the initial position and the end position may coincide with any point between the top and bottom dead center of the eccentric pin, thus allowing any adjustment of the crimping stroke to any intermediate value. It can also coincide with the top dead center of the eccentric bolt to get the maximum stroke of mostly 40 mm.
  • the initial position and the end position may also be a position which, measured in the direction of movement of the crimping tool during the crimping process, is approximately 10 mm lower than the top dead center of the eccentric pin to obtain a further standard value for the stroke of 30 mm.
  • the start and the end positions can be defined by the eccentric shaft associated limit switch, which are only jointly displaceable mirror-inverted and actuated by a cam or trigger the eccentric shaft.
  • the limit switches can be fixed to annular discs, which are mounted rotatably on the eccentric shaft and each provided with a ring gear into which a rotatably mounted on a stationary shaft gear engages on both sides. The limit switches can thereby be displaced only mirror-inverted in the circumferential direction of the eccentric shaft and not isolated from each other.
  • the actuator may be formed by an adjusting screw which is mounted parallel to the direction of movement of the crimping tool in the axis of rotation of the eccentric shaft in the machine frame. The front end of the screw is relatively rotatably connected to the upper end of the two connecting rods.
  • the initial and final positions can also be defined by two switching positions of the stator of a rotary encoder associated with the eccentric shaft, which are only displaceable in the circumferential direction displaceable together and mirror-inverted by the rotor of the rotary encoder connected to the eccentric shaft.
  • the stator may comprise a plurality of evenly distributed in the circumferential direction of the eccentric shaft sensors which are actuated by a signal generator of the rotor, wherein means are provided which allow only those of the respective desired starting and ending position, to activate together mirror-image arranged sensors. In such a design thus eliminates mechanically moving parts.
  • the fine adjustment of the start and end positions can be significantly improved if the rotor encloses a shaft which is connected by a transmission gear with the eccentric shaft.
  • the obtained digital signals can indicate lifting height displacements of the upper part of the tool of less than 1/100 mm.
  • the means for determining and optionally shifting the start and end positions include an actuator that allows to change the selection of each activated to sensors in mirror image and together.
  • the actuator may consist of a knob.
  • the drawing shows the functional principle of the method according to the invention and the device required for this purpose.
  • the method shown in principle in the drawing is used for Ancrimping contact elements on cables or wires, wherein the contact elements are formed by sheet metal parts, the production two parallel to each other, vertically projecting metal lugs, in the space between the cable or the wire is inserted and the then be formed by plastic deformation around the wire or the cable to form a contact.
  • This is done with the aid of a crimping tool in a press, in which the upper part 1 of the crimping tool is reciprocated vertically by an eccentric pin 2 of an eccentric shaft 3.
  • the eccentric pin 2 is pivotally starting from a freely selectable initial position 2.1 in the direction of Crimpposition, wherein the Crimpposition is placed on the bottom dead center 4 of the eccentric pin 2 and wherein the eccentric pin 2 in each crimping beyond its bottom dead center 4 into an end position 2.2 is pivoted, which is arranged in mirror image to its initial position 2.1, based on a parallel to the direction of movement 5 of the upper part 1 of the crimping tool in the axis of rotation of the eccentric shaft 3, imaginary plane, and wherein the initial and the end position rigidly coupled to each other and only adjusted together become. It is sufficient for a change of the stroke thus the operation of a single actuator.
  • a position can further be selected which, measured in the direction of movement 5 of the upper part 1 during the crimping process, is 10 mm lower than the top dead center 6 of the eccentric pin.
  • a device comprising a driven by an eccentric pin 2 an eccentric shaft 3 upper part 1 of a crimping tool, in which the eccentric bolt 2 starting from a freely selectable initial position 2.1 starting a pivoting movement in the direction of Crimpposition, wherein the Crimpposition is placed on the bottom dead center 4 of the eccentric pin 2 and wherein the eccentric pin 2 in each crimping beyond its bottom dead center 4 also in an end position 2.2 is pivoted, which is arranged in mirror image to its initial position, based on a direction parallel to the direction of movement 5 of the upper part. 1 of the crimping tool in the axis of rotation 7 of the eccentric shaft 3, imaginary plane and wherein the starting and the end positions of the eccentric pin 2 are rigidly coupled to each other and only together are selectable and adjustable.
  • the initial position and the end position of the eccentric pin 2 may coincide with the top dead center 6.
  • the eccentric pin 2 is pivotable about the axis of rotation 7 of the eccentric shaft 3 alternately in the positions.
  • a position can be selected which, measured in the direction of movement 5 of the upper part 1 of the crimping tool during crimping, is about 10 mm lower than the top dead center of the eccentric pin.
  • Fig. 2 shows a construction in which the limit switches 8 are displaceable on the eccentric shaft 3 enclosing orbits.
  • the limit switches 8 are connected by connecting rods 15 with each other and with a central actuator 16 which is formed by an adjusting screw.
  • On the eccentric shaft 3 is a trigger or cam 9 proceed for the limit switch 8, which follows the rotational movement of the eccentric shaft 3 and each one of the limit switch 8 causes an interruption of the rotational movement and a reversal of direction.
  • a crimping operation is triggered again, the eccentric shaft thereby rotates in the opposite direction.
  • Fig. 3 shows a construction in which the initial and final positions of the pivoting movements of the eccentric shaft by a eccentric shaft or a gear shaft engaged therewith circularly distributed surrounding sensors are determined, which cooperate with a rotary encoder of the eccentric shaft and targeted by an electronic control and are symmetrically activated in pairs.
  • the initial and the end positions can be defined by two switching positions of the stator 10 of the eccentric shaft 3 associated encoder 11, which are displaceable only in mirror image together in the circumferential direction and actuated by the connected to the eccentric shaft 3 rotor 12 of the rotary encoder 11.
  • the stator 10 includes a plurality of evenly distributed in the circumferential direction of the eccentric shaft 3 sensors 13 which are actuated by a signal generator 14 of the rotor 12, wherein means are provided which allow only the respective desired initial and final position associated, mirror image arranged sensors 13 together and mirror images to activate in pairs. This is done appropriately by means of a computer control, not shown.
  • the means for determining and optionally changing the initial and final positions of the rotary motion of the eccentric shaft may also comprise an actuator which allows the selection of the activated sensors 13 to be mirror-inverted, for example a single control knob.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP07012768A 2006-07-13 2007-06-29 Procédé et dispositif destinés au réglage du mouvement de levée d'un dispositif de sertissage Not-in-force EP1879266B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07012768T PL1879266T3 (pl) 2006-07-13 2007-06-29 Sposób i urządzenie do ustawiania ruchu skokowego urządzenia zagniatającego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006032357 2006-07-13

Publications (3)

Publication Number Publication Date
EP1879266A2 true EP1879266A2 (fr) 2008-01-16
EP1879266A3 EP1879266A3 (fr) 2011-09-28
EP1879266B1 EP1879266B1 (fr) 2013-03-20

Family

ID=38606453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07012768A Not-in-force EP1879266B1 (fr) 2006-07-13 2007-06-29 Procédé et dispositif destinés au réglage du mouvement de levée d'un dispositif de sertissage

Country Status (3)

Country Link
EP (1) EP1879266B1 (fr)
ES (1) ES2412880T3 (fr)
PL (1) PL1879266T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676445A5 (fr) * 1988-10-28 1991-01-31 Bruderer Ag
EP0884811A1 (fr) * 1997-06-12 1998-12-16 komax Holding AG Procédé et dispositif pour la réalisation de connexions de sertissage
EP1202404A1 (fr) * 2000-10-30 2002-05-02 Komax Holding Ag Méthode et machine à sertir

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676445A5 (fr) * 1988-10-28 1991-01-31 Bruderer Ag
EP0884811A1 (fr) * 1997-06-12 1998-12-16 komax Holding AG Procédé et dispositif pour la réalisation de connexions de sertissage
EP1202404A1 (fr) * 2000-10-30 2002-05-02 Komax Holding Ag Méthode et machine à sertir

Also Published As

Publication number Publication date
EP1879266B1 (fr) 2013-03-20
ES2412880T3 (es) 2013-07-12
EP1879266A3 (fr) 2011-09-28
PL1879266T3 (pl) 2013-08-30

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