EP1764881A1 - Crimping device - Google Patents

Crimping device Download PDF

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Publication number
EP1764881A1
EP1764881A1 EP06120622A EP06120622A EP1764881A1 EP 1764881 A1 EP1764881 A1 EP 1764881A1 EP 06120622 A EP06120622 A EP 06120622A EP 06120622 A EP06120622 A EP 06120622A EP 1764881 A1 EP1764881 A1 EP 1764881A1
Authority
EP
European Patent Office
Prior art keywords
anvil
conductor
force
crimp
crimping
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
EP06120622A
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German (de)
French (fr)
Other versions
EP1764881B1 (en
Inventor
Peter Imgrüt
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.)
Komax Holding AG
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Komax Holding AG
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Publication date
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Application filed by Komax Holding AG filed Critical Komax Holding AG
Publication of EP1764881A1 publication Critical patent/EP1764881A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0094—Press load monitoring means
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/712—Electrical terminal crimper

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

Crimp device has an anvil (19,21) provided for each crimper (8,9). The crimp force occurring on a conductor anvil can be measured by means of a force sensor (20). The cable conductor (25) and cable insulation can be connected with the crimp contact by means of crimper and anvil.

Description

Die Erfindung betrifft eine Crimpeinrichtung und ein Verfahren zum Verbinden eines Crimpkontaktes mit einem Kabel, bei der Kabelleiter und Kabelisolation mit dem Crimpkontakt mittels Crimper und Amboss verbindbar sind und die dabei am Amboss auftretende Crimpkraft mittels Kraftsensor messbar ist gemäss der Definition des unabhängigen Patentanspruchs.The invention relates to a crimping device and a method for connecting a crimp contact to a cable in which cable conductor and cable insulation can be connected to the crimp contact by means of crimper and anvil and the crimping force occurring on the anvil can be measured by means of force sensor according to the definition of the independent patent claim.

Aus der Patentschrift US 5 937 505 ist eine Crimppresse bekannt geworden, mittels der ein elektrischer Kontakt mit einem Kabelende verbindbar ist. Ein Crimpstempel verbindet zusammen mit einem Crimpamboss den Crimpkontakt mit dem Kabelende, wobei die beim Crimpvorgang auftretende Kraft im Crimpamboss mittels eines Kraftsensors messbar ist.From the patent US 5,937,505 a crimping press is known, by means of which an electrical contact with a cable end is connectable. A crimping die, together with a crimping stud, connects the crimp contact to the cable end, whereby the force occurring during the crimping process in the crimping anvil can be measured by means of a force sensor.

Nachteilig ist bei solchen Einrichtungen, dass die gesamte Crimpkraft (Leiter- und Isolationscrimpkraft) gemessen wird. Weiter nachteilig ist, dass der Sensor in einem Verschleissteil eingebaut ist.The disadvantage of such devices is that the total crimping force (conductor and insulation crimping force) is measured. Another disadvantage is that the sensor is installed in a wear part.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in Anspruch 1 gekennzeichnet ist, löst die Aufgabe, die Nachteile der bekannten Einrichtung zu vermeiden und eine Einrichtung sowie ein Verfahren schaffen, die eine präzise Messung der Crimpkraft ermöglichen.The invention aims to remedy this situation. The invention, as characterized in claim 1 solves the problem of avoiding the disadvantages of the known device and to provide a device and a method that allow precise measurement of the crimping force.

Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Patentansprüchen angegeben.Advantageous developments of the invention are specified in the dependent claims.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass die für die Herstellung des Leitercrimp notwendige Kraft messbar ist. Die Kraft im Leiteramboss wird auf nur einen Sensor übertragen. Der Kraftverlauf während des Crimpvorganges wird erfasst und ausgewertet, wobei aufgrund der Kraftkurve die Qualität der Crimpverbindung geprüft wird. Die erfindungsgemässe Kraftmessung wird den hohen Anforderungen an die Qualitätssicherung gerecht.The advantages achieved by the invention are to be seen essentially in the fact that the force necessary for the production of the conductor crimp is measurable. The power in the conductor anvil is transferred to only one sensor. The force curve during the crimping process is recorded and evaluated, whereby the quality of the crimp connection is checked on the basis of the force curve. The inventive force measurement meets the high quality assurance requirements.

Bei der erfindungsgemässen Einrichtung ist je Crimper ein Amboss vorgesehen, wobei die an einem Leiteramboss auftretende Crimpkraft mittels Kraftsensor messbar ist.In the device according to the invention, an anvil is provided for each crimper, wherein the crimping force occurring on a conductor anvil can be measured by means of a force sensor.

Anhand der beiliegenden Figuren wird die vorliegende Erfindung näher erläutert.Reference to the accompanying figures, the present invention will be explained in more detail.

Es zeigen:

  • Fig. 1 eine erfindungsgemässe Crimppresse,
  • Fig. 2 ein Unterwerkzeug der Crimppresse,
  • Fig. 3 Crimper, Ambosse und Crimpkontakt vor dem Crimpen,
  • Fig. 4, Fig. 5 Crimper, Ambosse und Crimpkontakt beim Crimpen,
  • Fig. 6 den Leiteramboss mit Kraftsensor und
  • Fig. 7 Einzelheiten des Kraftsensors.
Show it:
  • 1 shows a crimping press according to the invention,
  • 2 a lower tool of the crimping press,
  • Fig. 3 Crimper, anvils and crimp contact before crimping,
  • 4, 5 Crimper, anvils and crimp contact during crimping,
  • Fig. 6 shows the conductor anvil with force sensor and
  • Fig. 7 details of the force sensor.

Fig. 1 zeigt eine erfindungsgemässe Crimppresse 1 bestehend aus einem ersten Gehäuse 2, an dem ein ein Getriebe 4 antreibender Pressenmotor 3 angeordnet ist. Am Getriebeausgang ist eine Exzentereinrichtung vorgesehen, die die Rotationsbewegung des Motors 3 und des Getriebes 4 in eine auf einen Pressenschlitten 5 übertragbare lineare Auf-/Abbewegung umwandelt, wobei der Pressenschlitten 5 mittels Führungen 6 geführt ist. Zur Herstellung einer Crimpverbindung zwischen einem Crimpkontakt 22 und einem Kabel 18 ist ein am Pressenschlitten 5 angeordnetes Oberwerkzeug 7 mit Leitercrimper 8, Isolationscrimper 9 und Messerstössel 10 vorgesehen, wobei das Oberwerkzeug 7 mit einem Unterwerkzeug 11 zusammenarbeitet. Das Unterwerkzeug 11 umfasst einen Ambossteil 15, einen Sensorteil 16 und einen ersten Trägerteil 17. Die zu verarbeitenden Crimpkontakte 22 sind Bestandteile eines Kontaktgurtes 12, der mittels Kontaktvorschub 13 vorschiebbar ist. Ein Vorschubmotor 14 treibt den Kontaktvorschub 13 an.Fig. 1 shows an inventive crimping press 1 consisting of a first housing 2, on which a transmission 4 driving a press motor 3 is arranged. At the transmission output, an eccentric device is provided, which converts the rotational movement of the motor 3 and the transmission 4 into a transferable to a press carriage 5 linear up / down movement, the press carriage 5 is guided by guides 6. To produce a crimp connection between a crimp contact 22 and a cable 18, an upper tool 7 arranged on the press carriage 5 is provided with conductor crimper 8, insulation crimper 9 and knife ram 10, the upper tool 7 cooperating with a lower tool 11. The lower tool 11 comprises an anvil part 15, a sensor part 16 and a first support part 17. The crimp contacts 22 to be processed are components of a contact belt 12, which can be advanced by means of contact feed 13. A feed motor 14 drives the contact feed 13.

Fig. 2 zeigt das Unterwerkzeug 11 mit dem Ambossteil 15, dem Sensorteil 16 und dem ersten Trägerteil 17. Am Ambossteil 15 angeordnet ist ein Leiteramboss 19 und ein Isolationsamboss 21. Am Sensorteil 16 ist ein Kraftsensor 20 angeordnet, auf den die im Leiteramboss 19 auftretende Kraft einwirkt, wobei der Kraftsensor 20 wiederum am ersten Trägerteil 17 abgestützt ist. Der erste Tägerteil 17 selbst ist am ersten Gehäuse 2 abgestützt.FIG. 2 shows the lower tool 11 with the anvil part 15, the sensor part 16 and the first support part 17. Arranged on the anvil part 15 is a conductor anvil 19 and an insulation anvil 21. A force sensor 20 is arranged on the sensor part 16, to which the anvil 19 occurring in the conductor anvil 19 Force acts, the force sensor 20 is in turn supported on the first support member 17. The first tare part 17 itself is supported on the first housing 2.

Fig. 3 zeigt die Crimper 8,9, den Leiteramboss 19, den Isolationsamboss 21 und einen Crimpkontakt 22 des Kontaktgurtes 12 vor dem Crimpvorgang. Der gegurtete Crimpkontakt 22 liegt mit seinem Leitercrimp 23 auf dem Leiteramboss 19 und mit seinem Isolationscrimp 24 auf dem Isolationsamboss 21. Das am Ende abisolierte Kabel 18 ist oberhalb des Crimpkontaktes 22 positioniert, wobei der freie Kabelleiter 25 über dem Leitercrimp 23 und die Kabelisolation 26 über dem Isolationscrimp 24 liegt. Der Leitercrimp 23 bzw. der Isolationscrimp 24 ist mehrheitlich V-förmig und nach oben geöffnet. Das Kabelende wird mit der Absenkbewegung der Crimper 8,9 in den Leitercrimp 23 bzw. in den Isolationscrimp 24 eingelegt.Fig. 3 shows the crimp 8.9, the conductor anvil 19, the insulation anvil 21 and a crimp contact 22 of the contact belt 12 before the crimping process. The strapped crimp contact 22 is located with its Leitercrimp 23 on the conductor anvil 19 and with its insulation crimp 24 on the isolation anvil 21. The stripped cable 18 is positioned above the crimp contact 22, wherein the free cable conductor 25 on the Leitercrimp 23 and the cable insulation 26 via the insulation crimp 24 is located. The conductor crimp 23 or the insulation crimp 24 is mostly V-shaped and open at the top. The cable end is inserted with the lowering movement of the crimp 8.9 in the conductor crimp 23 or in the insulation crimp 24.

Fig. 4 zeigt die Crimper 8,9, den Leiteramboss 19 und den Isolationsamboss 21 beim Crimpen des Crimpkontaktes 22 des Kontaktgurtes 12, wobei wie in Fig. 5 gezeigt, der Leitercrimp 23 und der Isolationscrimp 24 plastisch deformiert werden. Der Leitercrimp 23 umfasst die Litzen des Kabelleiters 25 und der Isolationscrimp 24 umfasst die Kabelisolation 26. Der Crimpkontakt 22 wird beim Crimpvorgang vom Kontaktgurt 12 getrennt.Fig. 4 shows the crimp 8.9, the conductor anvil 19 and the insulation anvil 21 when crimping the crimp contact 22 of the contact belt 12, wherein as shown in Fig. 5, the conductor crimp 23 and the insulation crimp 24 are plastically deformed. The conductor crimp 23 comprises the strands of the cable conductor 25 and the insulation crimp 24 comprises the cable insulation 26. The crimp contact 22 is separated from the contact belt 12 during the crimping process.

Fig. 6 zeigt den Leiteramboss 19 mit dem Kraftsensor 20, auf den die beim Crimpvorgang im Leiteramboss 19 auftretende Kraft einwirkt. Der Leiteramboss 19 stützt sich an einem Sensorkörper 27 ab, der sich wiederum am ersten Trägerteil 17 abstützt. Anstelle des einen Kraftsensors 20 können auch mehrere Kraftsensoren vorgesehen sein, die die im Leiteramboss 19 auftretende Kraft messen. Beispielsweise können am Leiteramboss 19 angeordnete Dehnmesssstreifen die Crimpkraft messen.Fig. 6 shows the conductor anvil 19 with the force sensor 20, which acts on the force occurring during the crimping process in the conductor anvil 19. The conductor anvil 19 is supported on a sensor body 27, which in turn is supported on the first support part 17. Instead of one force sensor 20, it is also possible to provide a plurality of force sensors which measure the force occurring in the conductor anvil 19. For example, strain gauges arranged on the conductor anvil 19 can measure the crimping force.

Fig. 7 zeigt Einzelheiten des Kraftsensors 20 mit dem Sensorkörper 27. Ein die Kraft des Leiteramboss 19 erfassendes scheibenförmiges Piezoelement 28 ist zwischen einer ersten Scheibe 29 und einer zweiten Scheibe 30 angeordnet und mittels eines Kunststoffringes 31 gegen den Sensorkörper 27 elektrisch isoliert. Sensorkörper 27 und erste Scheibe 29 sind aus einem Stück gefertigt, wobei die zweite Scheibe 30 auf den Sensorkörper 27 schraubbar ist. In einer Folie 32 integrierte Leiterbahnen führen das Signal des Piezoelementes 28 einem Stecker 33 zu.FIG. 7 shows details of the force sensor 20 with the sensor body 27. A disk-shaped piezo element 28 grasping the force of the conductor anvil 19 is arranged between a first disk 29 and a second disk 30 and electrically insulated against the sensor body 27 by means of a plastic ring 31. Sensor body 27 and first disc 29 are made of one piece, wherein the second disc 30 can be screwed onto the sensor body 27. In a film 32 integrated conductor tracks lead the signal of the piezoelectric element 28 to a plug 33.

In einer weiteren Ausführungsvariante ist der Sensorkörper 27 als Gewindeschraube mit Schraubenkopf ausgebildet und die erste Scheibe 29 als lose Scheibe mit Bohrung ausgebildet. Die Gewindeschraube durchdringt die Bohrung und das Piezoelement 28. Die zweite Scheibe 30 wird mit ihrem Innengewinde auf das Ende der Gewindeschraube aufgeschraubt und anschliessend werden die beiden Scheiben 29,30 mittels des Schraubenkopfes verschraubt bis die notwendige Vorspannung des Piezoelementes 28 erreicht ist.In a further embodiment, the sensor body 27 is designed as a threaded screw with a screw head and the first disc 29 is formed as a loose disc with a bore. The threaded screw penetrates the bore and the piezoelectric element 28. The second disc 30 is screwed with its internal thread on the end of the threaded screw and then the two discs 29,30 are screwed by means of the screw head until the necessary bias of the piezoelectric element 28 is reached.

Claims (5)

Crimpeinrichtung zum Verbinden eines Crimpkontaktes (22) mit einem Kabel (18), bei der Kabelleiter (25) und Kabelisolation (26) mit dem Crimpkontakt (22) mittels Crimper (8,9) und Amboss (19,21) verbindbar sind und die dabei am Amboss (19,21) auftretende Crimpkraft mittels Kraftsensor (20) messbar ist,
dadurch gekennzeichnet,
dass je Crimper (8,9) ein Amboss (19,21) vorgesehen ist und die an einem Leiteramboss (19) auftretende Crimpkraft mittels mindestens eines Kraftsensors (20) messbar ist.Crimping device for connecting a crimp contact (22) to a cable (18), wherein the cable conductor (25) and cable insulation (26) with the crimp contact (22) by means of crimper (8,9) and anvil (19,21) are connectable and the while on the anvil (19,21) occurring crimping force by force sensor (20) is measurable,
characterized,
that depending crimper (8,9), an anvil (19,21) is provided and the occurring on a conductor anvil (19) crimping force is measurable by means of at least one force sensor (20). Crimpeinrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass sich der Leiteramboss (19) am Kraftsensor (20) abstützt, der sich wiederum an einem Trägerteil (17) abstützt.Crimping device according to claim 1,
characterized,
that the conductor anvil (19) is supported on the force sensor (20), which in turn is supported on a support part (17). Crimpeinrichtung nach Anspruch 2,
dadurch gekennzeichnet,
dass der Kraftsensor (20) einen Sensorkörper (27) aufweist, der als Träger für ein die Kraft des Leiteramboss (19) erfassendes Piezoelement (28) dient.Crimping device according to claim 2,
characterized,
in that the force sensor (20) has a sensor body (27) which serves as a carrier for a piezoelement (28) which detects the force of the conductor anvil (19). Crimpeinrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass das Piezoelement (28) scheibenförmig ist und zwischen einer ersten Scheibe (29) und einer zweiten Scheibe (30) angeordnet ist, wobei die Scheiben (29,30) am Sensorkörper (27) angeordnet sind.Crimping device according to claim 3,
characterized,
that the piezoelectric element (28) is disc-shaped and is disposed between a first disc (29) and a second disk (30), said disks (29,30) are arranged on the sensor body (27). Verfahren zum Betreiben einer Crimpeinrichtung nach einem der Patentansprüche 1 bis 4.Method for operating a crimping device according to one of the claims 1 to 4.
EP06120622A 2005-09-19 2006-09-14 Crimping device Active EP1764881B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05108628 2005-09-19

Publications (2)

Publication Number Publication Date
EP1764881A1 true EP1764881A1 (en) 2007-03-21
EP1764881B1 EP1764881B1 (en) 2008-07-16

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ID=36090973

Family Applications (1)

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EP06120622A Active EP1764881B1 (en) 2005-09-19 2006-09-14 Crimping device

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US (1) US7587918B2 (en)
EP (1) EP1764881B1 (en)
DE (1) DE502006001112D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11128095B2 (en) 2017-04-25 2021-09-21 Komax Holding Ag Method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press and a crimping press device
US11329441B2 (en) 2017-04-25 2022-05-10 Komax Holding Ag Method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
IT1392682B1 (en) 2009-01-20 2012-03-16 Mecal S R L IMPROVED PROCEDURE FOR SEWING METAL TERMINALS ON ELECTRIC CABLES AND PRESS FOR THE IMPLEMENTATION OF THIS PROCEDURE
FI121651B (en) * 2009-03-26 2011-02-28 Lillbacka Powerco Oy A method, system and control circuit for performing measurements in a press
KR101612984B1 (en) * 2009-04-02 2016-04-15 쉴로이니게르 홀딩 아게 Crimping press
US9880213B2 (en) 2013-08-19 2018-01-30 Oes, Inc. Conductor monitor device and method
US9945892B2 (en) 2013-08-19 2018-04-17 Oes, Inc. Wire processing machine including a conductor monitor device
JP6627570B2 (en) 2016-02-26 2020-01-08 株式会社オートネットワーク技術研究所 Ground terminal
US10522960B2 (en) 2017-05-03 2019-12-31 Te Connectivity Corporation Crimp quality monitoring method and system for use with a hydraulic crimping apparatus
JP6450817B1 (en) * 2017-10-06 2019-01-09 トルーソルテック株式会社 Terminal crimp failure detection device
CA3090253C (en) 2018-01-31 2023-02-21 Abb Schweiz Ag Crimping tool with wireless communication system

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US5119311A (en) * 1988-07-14 1992-06-02 Coors Brewing Company Monitor and control assembly for use with a can end press
DE19622390A1 (en) * 1995-06-15 1996-12-19 Whitaker Corp Crimping press with force sensor for connection of electrical conductors
US6067828A (en) * 1997-06-30 2000-05-30 Komax Holding Ag Crimping apparatus
US6161407A (en) * 1997-09-11 2000-12-19 Komax Holding Ag Process and apparatus for determination of the quality of a crimped connection
US20040007041A1 (en) * 2002-07-10 2004-01-15 Peter Imgrut Crimping press with contact feed

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US5271254A (en) * 1989-12-05 1993-12-21 The Whitaker Corporation Crimped connector quality control method apparatus
US5937505A (en) * 1995-03-02 1999-08-17 The Whitaker Corporation Method of evaluating a crimped electrical connection
JP3534298B2 (en) * 1998-02-03 2004-06-07 矢崎総業株式会社 Mold for forming terminals
DE19843156A1 (en) * 1998-09-21 2000-04-20 Sle Electronic Gmbh Process for quality assurance of crimp connections produced in a crimping device, as well as crimping tool and crimping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119311A (en) * 1988-07-14 1992-06-02 Coors Brewing Company Monitor and control assembly for use with a can end press
DE19622390A1 (en) * 1995-06-15 1996-12-19 Whitaker Corp Crimping press with force sensor for connection of electrical conductors
US6067828A (en) * 1997-06-30 2000-05-30 Komax Holding Ag Crimping apparatus
US6161407A (en) * 1997-09-11 2000-12-19 Komax Holding Ag Process and apparatus for determination of the quality of a crimped connection
US20040007041A1 (en) * 2002-07-10 2004-01-15 Peter Imgrut Crimping press with contact feed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11128095B2 (en) 2017-04-25 2021-09-21 Komax Holding Ag Method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press and a crimping press device
US11329441B2 (en) 2017-04-25 2022-05-10 Komax Holding Ag Method for aligning a crimper of a first tool of a crimping press relative to an anvil of a second tool of the crimping press

Also Published As

Publication number Publication date
EP1764881B1 (en) 2008-07-16
DE502006001112D1 (en) 2008-08-28
US7587918B2 (en) 2009-09-15
US20070062237A1 (en) 2007-03-22

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