EP0403536B1 - Vorrichtung zum herstellen elektrisch leitender verbindungen - Google Patents

Vorrichtung zum herstellen elektrisch leitender verbindungen Download PDF

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Publication number
EP0403536B1
EP0403536B1 EP89903466A EP89903466A EP0403536B1 EP 0403536 B1 EP0403536 B1 EP 0403536B1 EP 89903466 A EP89903466 A EP 89903466A EP 89903466 A EP89903466 A EP 89903466A EP 0403536 B1 EP0403536 B1 EP 0403536B1
Authority
EP
European Patent Office
Prior art keywords
switch
housing
head
disposed
jaws
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89903466A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0403536A1 (de
Inventor
Herbert SCHÜLE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0403536A1 publication Critical patent/EP0403536A1/de
Application granted granted Critical
Publication of EP0403536B1 publication Critical patent/EP0403536B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • Y10T29/49185—Assembling terminal to elongated conductor by deforming of terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53235—Means to fasten by deformation

Definitions

  • the invention relates to a device for producing electrically conductive connections between two or more conductive members.
  • Devices of the type mentioned at the beginning are used regularly for the solderless connection of crimp connectors with and without insulation and of crimp connectors.
  • the devices can also be designed as pneumatic pressing devices with pressing heads, which can be easily handled by the user, and in which the working cylinder is integrated in the handle of the pressing device.
  • An end sleeve with a plastic collar can then be inserted into the press head of these devices, for example, and the desired connection is established after the device is switched on. Since the depth of the press head and the length of the wire end sleeves can be different, it is not always ensured in the known devices, such as are described, for example, in US Pat. No. 3,492,846, that the wire end sleeves are pressed or squeezed at the desired locations.
  • US Pat. No. 3,492,541 discloses a device for producing electrically conductive connections, which, however, is not suitable for properly connecting wire end sleeves to metal sleeves.
  • the invention has for its object to develop the known device without undue design effort so that the initiation of the crimping process takes place only when the ferrule has taken the desired position with respect to the press head.
  • the switch carried by the carrier or the housing is arranged in front of the tool head with respect to the direction of movement of the link and that the link which can be inserted into the tool head has a thickening or extension which can be actuated by the switch.
  • the invention is achieved in any case if the switch is arranged in such a way that on the one hand the positioning of the wire end sleeve within the press head can be optimized and on the other hand the actual work process (pressing or squeezing) is only initiated when this position was actually achieved.
  • a particularly expedient embodiment of the invention provides in a device which is arranged in a housing that an opening is formed in the housing which is aligned with the receptacle defined by the effective position of the jaws.
  • the switch is an elastic and plate-shaped body with a slot, the Width of the slot corresponds to the maximum width of the metal sleeve, and when the switch is actuated by sleeve insulation pressure.
  • the press head which can be releasably connected to the housing has a working cylinder which is integrated in it and can be pressurized with compressed air.
  • the pressing head is part of a pressing tongs whose movable jaw works together with a firing pin. It is expedient if the firing pin is arranged coaxially in a magnetic coil and can be actuated by the magnetic field.
  • one end of the bolt facing the jaw carries a striking head, while the other end cooperates with a return spring.
  • the power of the bolt is to be adjustable, then it is expedient if the firing pin is mounted within a plurality of magnets arranged coaxially to one another, each of which can be excited separately.
  • an electrical pressure device for pressing multi-wire conductor ends with a metal sleeve 1 with and without insulation and crimp connectors is shown. It consists of a housing 8 in which a press head 9 with two jaws 14 and 16 is arranged. The jaw 16 is connected in an articulated manner to the jaw 14, specifically by means of a bolt 18. The lower jaw 14 is connected to an arm 20 which is firmly connected to the housing 8. The upper jaw 16 works with a return spring 22 together. Above the upper jaw 16 there is a firing pin 24 which can be moved back and forth in a magnetic coil 26 in the direction of the double arrow 28.
  • the lower, the upper jaw 16 facing end of the firing pin 24 carries a head 30 which strikes the magnetic coil 26 against the upper jaw 16 so that the press head 9 closes.
  • the other, upper end 3 of the firing pin 24 works together with a return spring 34 and a shock absorber 36.
  • an opening 40 tapering towards the press head is formed, into which the ferrule 12 of the link 10 can be inserted.
  • An elastically deformable actuating plate 42 for a switch is arranged between the opening 40 and the two jaws 14 and 16. This switch is electrically connected to a control device 46 via a line 44.
  • the control device 46 is connected to the magnet coil 26 via a line 48.
  • the solenoid 26 is not yet energized, this only takes place when the wire end sleeve 12 is inserted into the opening 40 and between the jaws 14 and 16 or jaws 82 and 84 (FIG. 3). Since the actuating plate 42 has a slot 50 for the switch, the width of which is greater than the maximum diameter of the metal sleeve 1 and smaller than the thickness of the wire end sleeve 12, the switch is only inserted after the metal sleeve 1 has been completely inserted between the jaws 14 and 16 or 82 and 84 and actuation of the actuating plate 42 actuated by the ferrule 12. After the blow has taken place, the firing pin 24 immediately returns to its starting position. The electromagnet 26 can no longer be actuated. The pressed ferrule 10 can be pulled out of the opening 40.
  • FIG 3 and 4 show that the firing pin 24 is excited by a plurality of magnets 26, 26 ', 26' '. These electromagnets are not effective at the same time. Switching them on and off depends on the thickness of the metal sleeves. Depending on this, the control electronics regulate the impact strength and thus the pressing pressure.
  • wire end sleeves with a small but also with a considerably larger diameter can be pressed with the same device. If the pressed sections of the wire end sleeves are not constant, then the pressing can be triggered by the actuating plate 42 projecting laterally.
  • the jaws 14 and 16 are interchangeable.
  • the jaws 82 and 84 are not attached. Rather, they move in parallel.
  • the jaws 82 and 84 are formed in the drawing so that trapezoidal pressings are possible.
  • the jaws 82 and 84 are interchangeable, have a projection 87 or a recess 86 which is complementary to the projection 87 and can be changed as required.
  • a further switch 80 can be arranged in the housing, by means of which it can be achieved that the same end section is always squeezed in the end sleeves. Finally, it is also possible to arrange the control device 46 outside the housing.
  • the end of the line is stripped and carries the wire end sleeve 12 and the metal sleeve 1.
  • the end face 4 of the wire end sleeve 12 facing the opening 40 tapers.
  • the opening 40 is trapezoidal in cross section, which facilitates the insertion of the metal sleeve 1 between the jaws 14 and 16.
  • the body 96 Between the jaws 14 and 16, of which the jaw 14 is stationary, and the body 96 has a gap 92 which is dimensioned such that the actuating plate 42 can be pivoted.
  • the upper end 93 of the actuating plate 42 is fixedly connected to the body 96.
  • a recess 90 is formed in the body 96, so that the actuating plate 42 can also be actuated with a finger of the user (cf. Fig. 6). This makes it possible to squeeze only a certain area of the metal sleeve 1.
  • a guide bore 94 and a recess 95 are provided in the body 96, while the upper jaw 16 has a recess 97 for the lower end of the firing pin 24.
  • FIG. 6 shows the actuation of the actuating plate 42 by means of a finger of the user, while the switching process according to FIG. 7 takes place through the wire end sleeve 12.
  • the wire end sleeve 12 is dimensioned with respect to the opening 50 so that it cannot be pulled through the opening 50.
  • the plunger 91 When pressing the wire end sleeve 12 against the actuating plate 42, this is pressed against the plunger 91 so that it switches on the control device 46.
  • the metal sleeve can be pulled out of the jaws.
  • the actuating plate 42 assumes its position shown in FIG. 5.
  • a recess 99 which extends in the axial direction of the metal sleeve 1, is also provided in the body 96, so that metal sleeves of different lengths can be pressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP89903466A 1988-03-10 1989-03-09 Vorrichtung zum herstellen elektrisch leitender verbindungen Expired - Lifetime EP0403536B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807925A DE3807925A1 (de) 1988-03-10 1988-03-10 Vorrichtung zum herstellen elektrisch leitender verbindungen
DE3807925 1988-03-10

Publications (2)

Publication Number Publication Date
EP0403536A1 EP0403536A1 (de) 1990-12-27
EP0403536B1 true EP0403536B1 (de) 1993-07-14

Family

ID=6349360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89903466A Expired - Lifetime EP0403536B1 (de) 1988-03-10 1989-03-09 Vorrichtung zum herstellen elektrisch leitender verbindungen

Country Status (4)

Country Link
US (1) US5054191A (enrdf_load_stackoverflow)
EP (1) EP0403536B1 (enrdf_load_stackoverflow)
DE (1) DE3807925A1 (enrdf_load_stackoverflow)
WO (1) WO1989008936A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5502996A (en) * 1994-12-12 1996-04-02 The Whitaker Corporation Crimping press actuator assembly
US5687613A (en) * 1996-02-13 1997-11-18 Ideal Industries, Inc. Crimp connector applicator
US5974659A (en) * 1996-05-23 1999-11-02 Kesinger; Donald A. Machine for repetitively applying connectors on cable ends to form round connections
US5813274A (en) * 1996-09-20 1998-09-29 The Whitaker Corporation Magnetic press
US6256871B1 (en) 1999-10-29 2001-07-10 Molex Incorporated Crimping apparatus for electrical connectors
US7356914B2 (en) * 2003-11-04 2008-04-15 Ideal Industries, Inc. Twist-on wire connector applicator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492541A (en) * 1963-11-21 1970-01-27 Amp Inc Tactile responsive switching circuit
US3492846A (en) * 1964-10-16 1970-02-03 Lowell L Jones Trip device having automatic conductor and terminal gaging characteristics for terminal applying press
US3584496A (en) * 1968-05-03 1971-06-15 Amp Inc Magnetic actuator
US3710483A (en) * 1971-08-18 1973-01-16 Itt Split wire guide
US4031613A (en) * 1976-03-04 1977-06-28 Amp Incorporated Closed barrel terminal applicator
DE3508397C2 (de) * 1984-03-09 1986-06-12 Zoller & Fröhlich GmbH & Co KG, 7988 Wangen Maschine zum Aufquetschbestücken von Kabeladerenden mit Aderendhülsen o.dgl. Anschlußelementen

Also Published As

Publication number Publication date
EP0403536A1 (de) 1990-12-27
WO1989008936A1 (fr) 1989-09-21
DE3807925C2 (enrdf_load_stackoverflow) 1989-12-21
DE3807925A1 (de) 1989-09-28
US5054191A (en) 1991-10-08

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