EP0090805B1 - Dispositif de sertissage de contact et son procede d'utilisation - Google Patents

Dispositif de sertissage de contact et son procede d'utilisation 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
German (de)
English (en)
Other versions
EP0090805A4 (fr
EP0090805A1 (fr
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/fr
Publication of EP0090805A4 publication Critical patent/EP0090805A4/fr
Application granted granted Critical
Publication of EP0090805B1 publication Critical patent/EP0090805B1/fr
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. Appareil (10) destiné à sertir un contact (14) sur une extrémité de fil (20) comprenant: des moyens (12) servant à acheminer automatiquement une succession de contacts de fils à un trou de référence (28) formé dans un bloc de guidage (16), un dispositif sertisseur (18) aligné au-dessus du trou de référence (28), caractérisé par des moyens (50, 52) servant à faire monter un contact aligné dans la sertisseuse, un entonnoir (54) divisé en deux parties (58, 60) et aligné axialement au-dessus de la sertisseuse, et en ce que des moyens (120, 122) sont prévus pour rapprocher les parties de l'entonnoir afin de permettre d'insérer une extrémité de fil dans le fût (136) du contact, et pour rapprocher les parties (58, 60) dans le fût (136) du contact, et pour rapprocher les parties (58, 60) de l'entonnoir (54) pour permettre d'insérer une extrémité d'un fil (20) dans ledit fût (136) du contact, et pour écarter les parties (58, 60) de l'entonnoir pour permettre au fil de s'engager à fond dans le contact, et des moyens (160), servant à actionner la sertisseuse pour réunir le fit engagé à fond au contact.
2. Appareil selon la revendication 1, caractérisé en ce que les moyens servant à faire monter un contact aligné dans la sertisseuse comprennent un plongeur (50) aligné axialement dans le trou de référence (28) et des moyens (52) servant à animer le plongeur d'un mouvement alternatif.
3. Appareil selon la revendication 2, caractérisé par des moyens elastiques (34,40) servant à aligner le contact dans le trou de référence (28), et par des moyens (46) servant à mettre les moyens d'alignement élastique de côté lorsque le plongeur (50) fait monter le contact en position.
4. Appareil selon la revendication 3, caractérisé en ce que les moyens élastiques (34,40) servant à aligner le contact comprennent une pièce (34) montée pivotante, conformée pour buter contre le côté du contact et pour donner appui à ce contact, et un élément élastique (40) qui maintient la pièce montée pivotante en position et qui est monté pour permettre à cette pièce de s'écarter du trou de référence (28) par pivotement lorsque le plongeur (50) est soulevé.
5. Appareil selon la revendication 1, caractérisé en ce que les moyens servant à mettre en mouvement les parties (58, 60) de l'entonnoir comprennent: une paire de barres parallèles (66, 68) dont chacune est montée à ajustement glissant à travers une première partie (58) de l'entonnoir et est réunie à une deuxième partie, chaque barre étant munie de moyens de compression (96, 98) logés dans la deuxième partie (60) pour écarter élastiquement ces deux parties, et des moyens à piston (108, 110) logés dans la première partie pour surmonter l'action des moyens de compression (96, 98) et rapprocher les deux parties l'une de l'autre.
6. Appareil selon la revendication 5, caractérisé en ce que les moyens de compression (96, 98) comprennent un premier évidement (92, 94) entourant la tige à l'intérieur de la deuxième partie (60) et adjacent à la première partie (58) et un ressort de compression (96, 98) logé dans cet évidement (92, 94) et qui émerge à l'exterieur du premier évidement, et les premiers moyens à piston comprennent: un deuxième évidement (104, 106) formé dans la première partie sur le côté qui est à l'opposé de la deuxième partie, un piston (108, 110) entourant la barre à l'intérieur dudit deuxième évidement, le piston formant un premier joint (112) et un deuxième joint (114) autour de la barre et au fond dudit deuxième évidement; et des moyens servant à introduire un fluide sous pression à travers la barre et dans l'espace compris entre les joints.
7. Appareil selon la revendication 1, caractérisé par un bouchon de décliquetage (38) contenu à l'intérieur du bloc de guidage et placé pour buter contre le contact lorsque ce dernier se trouve dans le trou de référence (28), le bouchon (38) portant des moyens élastiques (40) qui agissent pour maintenir une extrémité de butée montée pivotante contre le contact, l'extrémité étant profilée de manière à être écartée par le plongeur (50) lorsqu'il s'élève pour faire monter le contact.
8. Appareil selon l'un quelconque des revendications précédentes, caractérisé en ce que ledit plongeur (50) est dimensionné pour remplir toute la section transversale du trou de référence (28).
9. Procédé de sertissage d'un contact sur l'extrémité de fil, caractérisé par les phases consistant à: acheminer une rangée de contacts (14) dans un trou d'alignement (28) formé dans un bloc de guidage (16), faire monter le contact aligné dans le trou d'alignement jusque dans une tête sertisseuse (10), insérer une extrémité de fil (20) dans le contact à travers un entonnoir de guidage (54), ledit entonnoir étant divisé en deux parties et étant aligné axialement au-dessus de la sertisseuse, ouvrir l'entonnoir (54) et engager le fil (20) à fond dans le contact, et sertir le contact sur le fil.
10. Procédé selon la revendication 9, caractérisé en ce qu'on prévoit un appui d'alignement lorsque le contact (14) atteint le trou d'alignement (28) et qu'on écarte le support d'alignement lorsque le contact (14) s'élève dans le trou d'alignement (28).
11. Procédé selon la revendication 10, caractérisé en ce qu'on tient un contact (14) positionné avec un extrémité d'un bouchon de décliquetage (38) et en ce qu'on écarte l'extrémité du bouchon (38) pendant qu'on fait monter le contact (14) dans la tête sertisseuse.
EP81903146A 1981-09-30 1981-09-30 Dispositif de sertissage de contact et son procede d'utilisation Expired EP0090805B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1981/001320 WO1983001347A1 (fr) 1981-09-30 1981-09-30 Dispositif de sertissage de contact et son procede d'utilisation

Publications (3)

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

Family

ID=22161456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81903146A Expired EP0090805B1 (fr) 1981-09-30 1981-09-30 Dispositif de sertissage de contact et son procede d'utilisation

Country Status (4)

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

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 (fr) * 1980-03-17 1981-09-23 The Boeing Company Appareil de sertissage sélectif de contact

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 (fr) * 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 (fr) * 1980-03-17 1981-09-23 The Boeing Company Appareil de sertissage sélectif de contact

Also Published As

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

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