EP0090805B1 - Kontaktquetschvorrichtung und ihr anwendungsverfahren - Google Patents

Kontaktquetschvorrichtung und ihr anwendungsverfahren Download PDF

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Publication number
EP0090805B1
EP0090805B1 EP81903146A EP81903146A EP0090805B1 EP 0090805 B1 EP0090805 B1 EP 0090805B1 EP 81903146 A EP81903146 A EP 81903146A EP 81903146 A EP81903146 A EP 81903146A EP 0090805 B1 EP0090805 B1 EP 0090805B1
Authority
EP
European Patent Office
Prior art keywords
contact
funnel
wire
crimper
moving
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
Application number
EP81903146A
Other languages
English (en)
French (fr)
Other versions
EP0090805A4 (de
EP0090805A1 (de
Inventor
Luis Jota Lazaro, Jr.
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.)
Boeing Co
Original Assignee
Boeing Co
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 Boeing Co filed Critical Boeing Co
Publication of EP0090805A1 publication Critical patent/EP0090805A1/de
Publication of EP0090805A4 publication Critical patent/EP0090805A4/de
Application granted granted Critical
Publication of EP0090805B1 publication Critical patent/EP0090805B1/de
Expired 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

Definitions

  • the invention relates to an apparatus and method as described in the preamble of claims 1 and 9.
  • the size of the contacts may present a problem when the connectors are small. This often presents difficulty in ensuring all the wire ends enter the contact, instead of separating to leave some of the wire outside.
  • the small contacts are also esily bent which can present problems in automatic handling.
  • a crimping device 10 has a bulk feed vibratory bowl 12, for directing electrical contacts 14, into a guide block 16, where the contacts are raised up into a crimper 18, for joining to a wire end 20.
  • the contacts are placed in the bowl, and vibration of the bowl moves the contacts up and onto a track 22.
  • An air line 24 is located with outlet at the top of the bowl to blow those contacts that are not properly aligned back into the bowl.
  • the contacts that are properly aligned transfer onto guide rails 26 where they are moved in line down the inclined plane of the rails and terminate inside the guide block at alignment opening or reference hole 28.
  • the continuous feeding in combination with the inclined guide rails mean the consecutive contacts maintain a continuous feeding movement with the last contact located in the alignment opening in the guide block.
  • a shaped gate 30, controlled by air actuator cylinder 32 acts to hold back all the contacts, during part of the crimping cycle, other than the contact positioned in the alignment hole.
  • the positioned contact is held in proper alignment upon entering the reference hole by abutting against a support member 34; which is pivotally mounted at 36, to a snap-out plug 38.
  • the support member is resiliently held in position by a spring 40; which holds the member in position but also allows the member to be pivoted aside to clear the alignment hole 28.
  • the suppport member has a projection with a flat top surface 42, with a recess 44, shaped to be axially aligned in the alignment hole, and an inclined surface 46.
  • the flat top surface acts as a support to a shoulder 48 on the contact 14, the contact fits in the recess, and the inclined plane is acted against by a plunger 50 to provide the means for moving the support member aside to clear the alignment hole.
  • the plunger is sized to fill the alignment hole 28 and is mounted to move reciprocally within the hole to push the aligned contact up into the crimper. Plunger movement is controlled by a pneumatic cylinder 52.
  • a funnel 54 is mounted above the crimper head 18, and is in axial alignment with the reference hole 28 in the guide block.
  • the funnel as best shown in Figures 12 through 14, has a base 56, movable sections 58 and 60, funnel guide sections 62 and 64, and rods 66 and 68.
  • the base has holes 70 to permit mounting the base to the crimper head and an opening 72 to permit access to the crimper and the reference hole 28 in the guide block.
  • the base also has projections 74 and 76 each of which has an opening for rigidly mounting parallel pins 78 and 80 that extend past the projection and permit entry into openings 82 and 84 in movable funnel section 58, and openings 86 and 88 in movable section 60.
  • the openings are sized to provide a slip fit to the pins to permit the sections to move upon the pins.
  • the rods 66 and 68 are mounted to the movable sections in a manner to be parallel to the pins with the rod ends extending into and mounted to section 60 with fasteners 90.
  • the springs are longer than the recess is deep to continually press the movable sections apart.
  • the rods extend through the first section 58, and have a slip fit in opening 100 and 102.
  • the recess is located in the part away from the second movable members.
  • the rods have pistons 108 and 110 located in the area of the recesses 104 and 106, O-ring seals 112 and 114 between the parts of the piston, and O-ring seals 116 and 118 each mounted around a rod and located in the bottom of the recess to in combination make up cylinders 120 and 122.
  • the rods each have an axially located hole 124 and 126 extending in from one end and an access hole 128 and 130 to permit the introduction of air into the recess 104 and 106 between the O-rings to move the rods and act against the springs 96 and 98 to move the two movable sections together.
  • Funnel guide sections 62 and 64 are mounted to the movable members with fasteners 132. These guide sections when brought together are cone shaped and have a concentric opening 134 at the bottom for guiding a wire.
  • Figures 7 through 10 show the sequencing of the funnel when crimping.
  • a contact 14 is being held by the plunger 50, in reference hole 28, and in the crimper 18.
  • the sections of the funnel are together and are aligned for guiding a wire end 20 into a barrel 136 of a contact.
  • the wire end has wires 138 and covering insulation 140.
  • the wires have been inserted into the barrel of the contact with all of the wires 138 directed into that barrel.
  • the insulation being of a larger diameter is stopped by the sides of the funnel.
  • Figure 9 the sections of the funnel have been moved apart, the wire end bottomed out in the contact, and the insulation is resting against the end of the contact.
  • Figure 10 shows the bottomed out wire being crimped to the contact.
  • Figure 15 shows a schematic of the air system for controlling the invention.
  • Compressed air from a source not shown passes through line 142, control valve 144, line 24 and nozzle 146 where it blows any contacts 14 that are not properly aligned back into the bowl 12.
  • Air also is directed through line 148 into pressure regulator 150, thence into an end of pneumatic cylinder 52.
  • the sequencing is controlled by five valves 152, 154, 156, 158, and 160.
  • As air enters through line 162 it passes through valves 152 and 154, and then through line 164 where it actuates valves 156 and 160.
  • valve 152 When the foot pedal 166 for valve 152 is depressed it exhausts air from line 168 through valve 152, and at the same time it introduces air through line 170 to activate valve 158, and funnel cylinders 120 and 122.
  • valve 158 When valve 158 is activated it introduces air from line 172 through the valve then through line 174 to actuate gate cylinder 32 and locator cylinder 52.
  • the air pressure from the pressure regulator 150 is lower than the pressure in the line 174; so the gate cylinder actuates before the locator cylinder is actuated.
  • valve 152 When the foot pedal is released, valve 152 is reversed to exhaust line 170 to deactivate the funnel cylinders and open up the funnel sections, and to deactivate valve 158.
  • valve 154 When that valve is deactivated it permits compressed air to pass from line 172 through valve 158, line 176 and valve 160 to actuate the crimper head.
  • Time delay valve 154 permits a delayed buildup in pressure line 164; which opens valve 156 to exhaust air from 178 to permit the gate cylinder and the locator cylinder to return to starting position, and to close valve 160 to close the crimper head.
  • contacts 14 are placed in the vibratory bowl 12, and the machine turned on to feed contacts to the guide block 16.
  • the foot pedal 166 is depressed to actuate gate cylinder 32, and to then actuate the locator cylinder 52 with plunger 50 to raise the positioned contact up into the crimper, and to bring sections of the funnel 54 together.
  • wires 138 are inserted into the contact through the funnel, the foot pedal released, the wire bottomed in the contact, the contact crimped to the wires, the wire end with contact removed, and the plunger returned to starting position. Exhaust air, from the cylinder controlling the plunger, is directed up into the alignment hole of the guide block to blow out any crimped contact that is not connected to a wire end.

Landscapes

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

Claims (11)

1. Einrichtung (10) zum Krimpfen eines Kontakts (14) an ein Drahtende (20), umfassend: eine Einrichtung zum automatischen Zuführen (12) einer Aufeinanderfolge von Drahtkontakten zu einem Bezugsloch (28) in einem Führungsblock (16), eine Krimpfeinrichtung (18), die über dem Bezugsloch (28) ausgerichtet ist, gekennzeichnet durch eine Einrichtung (50, 52) zum Anheben eines ausgerichteten Kontakts nach aufwärts in den Krimpfer, einen Trichter (54), der in zwei Teile (58, 60) geteilt ist und axial über dem Krimpfer ausgerichtet ist, sowie dadurch, daß eine Einrichtung (120,122) zum Zusammenbewegen der Teile des Trichters zum Ermöglichen des Einführens eines Endes eines Drahts in eine Büchse (136) des Kontakts und zum Zusammenbewegen der Teile (58, 60) des Trichters (54) zum Ermöglichen des Einführens eines Endes eines Drahts (20) in die Büchse (136) des Kontakts und zum Auseinanderbewegen der Teile (58, 60) des Trichters zum Ermöglichen, daß der Draht in dem Kontakt den Boden erreicht, vorgesehen ist, und eine Einrichtung (160) zur Betätigung des Krimpfers zum Verbinden des Drahts, der den Boden erreicht hat, mit dem Kontakt.
2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung zum Anheben eines ausgerichteten Kontakts aufwärts in den Krimpfer einen Kolben (50) umfaßt, der axial in dem Bezugsloch (28) ausgerichtet ist, und eine Einrichtung (52) zum Hin- und Herbewegen des Kolbens.
3. Einrichtung nach Anspruch 2, gekennzeichnet durch eine elastische Einrichtung (34,40) zum Ausrichten des Kontakts in dem Bezugsloch (28) und eine Einrichtung (46) zum Bewegen der elastischen Ausrichtungseinrichtung zur Seite, wenn der Kolben (50) den Kontakt aufwärts in Position bewegt.
4. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die elastische Einrichtung (34, 40) zum Ausrichten des Kontakts einen schwenkbar angebrachten Teil (34) umfaßt, der so geformt ist, daß er an der Seite des Kontakts anliegt und denselben stützt, und ein elastisches Teil (40), welches den schwenkbar angebrachten Teil in Position hält und so angrebracht ist, daß es dem Teil ein Herausschwenken aus dem Bezugsloch (28) ermöglicht, wenn der Kolben (50) angehoben wird.
5. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung zum Bewegen der Trichterteile (58, 60) folgendes umfaßt: ein Paar von parallelen Stäben (66, 68), von denen jeder eine Gleitpassung durch einen ersten Teil (58) des Trichters hat und mit einem zweiten Teil verbunden ist, wobei jeder Stab eine Kompressionseinrichtung (96, 98) im zweiten Teil (60) zum elastischen Auseinanderdrücken der beiden Teile hat, und eine Kolbeneinrichtung (108, 110) in dem ersten Teil zum Überwinden der Kompressionseinrichtung (96, 98) und zum Zusammenziehen der beiden Teile.
6. Einrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Kompressionseinrichtung (96, 98) folgendes umfaßt: eine erste Ausnehmung (92, 94) um den Stab in dem zweiten Teil (60) und benachbart dem ersten Teil (58), und eine Kompressionsfeder (96, 98) in dieser Ausnehmung (92,94), die sich aus der ersten Ausnehmung heraus erstreckt; und daß die Kolbeneinrichtung folgendes umfaßt: eine zweite Ausnehmung (104, 106) in dem ersten Teil auf der Seite, die von dem zweiten Teil entfernt ist, einen Kolben (108, 110) um den Stab in der zweiten Ausnehmung, wobei der Kolben eine erste Dichtung (112) und eine zweite Dichtung (114) um den Stab herum und am Boden der zweiten Ausnehmung hat; und eine Einrichtung zum Einführen eines Strömungsmittels unter Druck durch den Stab und in den Raum zwischen den Dichtungen.
7. Einrichtung nach Anspruch 1, dadurch gekennzeichnet durch einen Ausschnappklotz (38) in dem Führungsblock, der so angeordnet ist, daß er an dem Kontakt anliegt, wenn dieser in dem Bezugsloch (28) ist, wobei der Klotz (38) eine elastische Einrichtung (40) hat, die dahingehend wirkt, daß sie ein schwenkbar angebrachtes Anlageende gegen den Kontakt hält, wobei das Ende so geformt ist, daß es durch den Kolben (50) zur Seite bewegt wird, wenn sich dieser zum Anheben des Kontakts nach aufwärts bewegt.
8. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Kolben (50) so bemessen ist, daß er den Querschnitts des Bezugslochs (28) ausfüllt.
9. Verfahren zum Krimpfen eines Kontakts an ein Drahtende, gekennzeichnet durch die folgenden Schritte: Zuführen einer Reihe von Kontakten (14) in ein Ausrichtungsloch (28) in einem Führungsblock (16), Anheben des ausgerichteten Kontakts in dem Ausrichtungsloch nach aufwärts in einen Krimpferkopf (10), Einführen eines Drahtendes (20) durch einen Führungstrichter (54) in den Kontakt, wobei der Trichter in zwei Teile geteilt und axial über dem Krimpfer ausgerichtet ist, Öffnen des Trichters (14) und den Draht (20) in dem Kontakt dazu bringen, daß er den Boden erreicht, und Krimpfen des Kontaks an den Draht.
10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß man eine Ausrichtungsstütze vorsieht, wenn der Kontakt (14) das Ausrichtungsloch (28) erreicht, und daß man die Ausrichtungsstütze zur Seite bewegt, wenn der Kontakt (14) in dem Ausrichtungsloch (28) angehoben wird.
11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß man einen positionierten Kontakt (14) mit einem Ende eines Ausschnappklotzes (38) hält, und daß man das Ende des Klotzes (38) zur Seite bewegt, während man den Kontakt (14) nach aufwärts in einen Krimpferkopf bewegt.
EP81903146A 1981-09-30 1981-09-30 Kontaktquetschvorrichtung und ihr anwendungsverfahren Expired EP0090805B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1981/001320 WO1983001347A1 (en) 1981-09-30 1981-09-30 Contact crimper and method of using

Publications (3)

Publication Number Publication Date
EP0090805A1 EP0090805A1 (de) 1983-10-12
EP0090805A4 EP0090805A4 (de) 1984-02-09
EP0090805B1 true EP0090805B1 (de) 1986-09-03

Family

ID=22161456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81903146A Expired EP0090805B1 (de) 1981-09-30 1981-09-30 Kontaktquetschvorrichtung und ihr anwendungsverfahren

Country Status (4)

Country Link
EP (1) EP0090805B1 (de)
JP (1) JPS58501609A (de)
DE (1) DE3175266D1 (de)
WO (1) WO1983001347A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625942A (en) * 1995-06-09 1997-05-06 The Whitaker Corporation Precision crimping tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036240A1 (de) * 1980-03-17 1981-09-23 The Boeing Company Selektive Krimpanordnung für Kontakte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542082A (en) * 1940-06-12 1941-12-24 Donald George Ashcroft Improvements in or relating to the assembling of articles comprising a wire or wiresthreaded through an annular object of resilient material
US4182030A (en) * 1977-06-30 1980-01-08 Vought Corporation Apparatus for feeding and crimping electrical contacts
US4178679A (en) * 1978-03-13 1979-12-18 Bernard Lichtenstein Contact crimping machine
JPS6113752Y2 (de) * 1978-08-17 1986-04-28
US4232443A (en) * 1979-03-26 1980-11-11 Vip Industries, Inc. Wire insertion guide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036240A1 (de) * 1980-03-17 1981-09-23 The Boeing Company Selektive Krimpanordnung für Kontakte

Also Published As

Publication number Publication date
DE3175266D1 (en) 1986-10-09
WO1983001347A1 (en) 1983-04-14
JPS58501609A (ja) 1983-09-22
EP0090805A4 (de) 1984-02-09
EP0090805A1 (de) 1983-10-12

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