EP0299897A1 - Process and devices to mechanically connect to each pin or insert in each socket of electrical components a connecting piece which forms part of a plurality of conductors equipped with such pieces - Google Patents

Process and devices to mechanically connect to each pin or insert in each socket of electrical components a connecting piece which forms part of a plurality of conductors equipped with such pieces Download PDF

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Publication number
EP0299897A1
EP0299897A1 EP88430018A EP88430018A EP0299897A1 EP 0299897 A1 EP0299897 A1 EP 0299897A1 EP 88430018 A EP88430018 A EP 88430018A EP 88430018 A EP88430018 A EP 88430018A EP 0299897 A1 EP0299897 A1 EP 0299897A1
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EP
European Patent Office
Prior art keywords
tubes
clamps
wires
axis
rigid
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.)
Withdrawn
Application number
EP88430018A
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German (de)
French (fr)
Inventor
Claude Ricard
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Individual
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Individual
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Publication of EP0299897A1 publication Critical patent/EP0299897A1/en
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    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate
    • 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

Definitions

  • the present invention relates to methods and devices for mechanically connecting to each terminal or in each cell of electrical components, a connection part forming part of a batch of conductive wires equipped with these parts.
  • the technical sector of the invention is that of the construction of electrical or electronic equipment.
  • Robots which automatically cut a conductive wire into sections of determined lengths corresponding to a bundle of all the wires necessary to equip a machine or part of a machine or apparatus and which automatically crimp a piece of wire on each end of the wire.
  • electrical connection which can have different shapes, for example a pin, a socket, a tab with rolled edges etc ...
  • robots which, after having cut the wires and having crimped a connection piece on the end of each of them, can insert each connection piece individually in a cell of an insulating housing to form a connector or can connect each connection piece individually to one of the male or female terminals of a terminal block of an electrical component, for example a thermostat, a timer, a sensor, a programmer, etc.
  • Patent application FR.86 / 16.777 (C. RICARD) describes methods and apparatuses making it possible to connect automatically to a set of electrical components connection pieces each crimped onto a conductive wire, using a pallet on which all the components of a machine, which pallet is mounted on a movable table movable along two axes in front of a carriage movable along a third axis, which carriage carries a movable clamp which individually grips each connection piece and which plugs it into a terminal or which engages it in a cell of an insulating housing.
  • the object of the invention is to provide methods and devices which provide a solution to this problem.
  • a method according to the invention is intended to mechanically connect to each terminal or in each cell of one or more electrical components, a connection piece crimped onto a conductive wire which is part of a batch of wires emerging from a robot. wiring.
  • a method according to the invention is of the known type in which one or more electrical components are placed opposite one or more clamps which are movable along a first axis which is parallel to the axis of said terminals or of said cells, which clamps grip each one of said wires immediately behind the connection piece crimped thereon and by a relative displacement along two other axes perpendicular to said first axis one or more of said terminals and / or one or more of said cells are brought into the alignment of the axis of one or more of said clamps.
  • the object of the invention is achieved by a method which further comprises the following operations: - One engages through the cluster of wires located in front of said components one or more hollow and rigid tubes, parallel to the axes of said terminals or said cells, which tubes are each aligned with one of said clamps, each have at the end before a point formed by several flaps which can be separated from one another and have an open rear end and each of said tubes is displaced along the axis of one of said terminals or of one of said cells placed in the alignment of one of said pliers until said point is at proximity of said terminal or of said cell; - said flaps are removed; - One axially engages in each tube, one of said clamps enclosing a wire until said connection piece is engaged on said terminal or in said cell; - said pliers are opened; - said rigid tubes are removed outside the pile of wires; - the wires are taken out of said tubes; - said shutters are closed; - said clamps are removed axially from the outside of said tubes
  • said rigid tubes are made to vibrate while they are engaged through the cluster of wires in order to facilitate the penetration of said tubes through said cluster.
  • the flaps which constitute the tip of said rigid tube automatically fold back towards the axis and they are moved aside by axially engaging in each rigid tube, a hollow and rigid rod which pushes said flaps and then axially engaging one of said clamps in each of said hollow rods.
  • a device according to the invention is intended to mechanically connect to each terminal or in each cell of one or more electronic components, a connection piece crimped onto a conductive wire forming part of a batch of wires emerging from a wiring robot .
  • a device is of the known type comprising a support which carries one or more electronic components, and a mobile arm or carriage which carries one or more clamps which each grip one of the conducting wires immediately behind a piece of connection set thereon, which support and arm or carriage are movable relative to each other along three axes, one of which is parallel to the axes of said terminals or cells.
  • a device is characterized in that it comprises a head mounted on said arm or mobile carriage which carries one or more hollow and rigid tubes, which tubes are parallel to each other and to the axis of said terminals and / or of said cells and each of the tubes is coaxial with one of said clamps, it has at its front end a point formed by several flaps which can be separated from one another and it has an open rear end.
  • the invention results in the possibility of automatically connecting connection pieces equipping a batch of wires leaving a wiring robot on one or more electrical components which can be combined on a pallet, despite the presence of a pile of wires interleaved which interconnect the terminals which have already received a connection part and which oppose the passage of the new connection parts.
  • the rigid tubes provided with a point make it possible to clear a passage in the middle of the clusters of wires and to solve a problem which until now made mechanical connection operations difficult as soon as these applied to lots comprising a large number of wires, which is a very frequent case since the mechanization of connection operations is economically justified in the case where a large number of connections have to be made.
  • FIG. 1 represents an installation for the mechanical preparation of sets of conductive wires equipped with connection parts and for mechanical insertion of the connection parts on terminal blocks fitted to electrical devices forming part of a machine or in cells of insulating boxes to form connectors.
  • the installation shown comprises a wiring robot 1, of any known type.
  • This robot is for example of the type described in the FR patent. 81 / 18.181. It comprises a circular plate 2 which is rotated around a vertical shaft 3 by a stepping motor 4, in the direction of the arrow F1.
  • the plate 2 carries at its periphery pairs of jaws or vices 5a, 5b which can pivot around a vertical axis.
  • a first station 6 comprises means for unwinding a conducting wire 6a in a direction tangent to the plate 2.
  • Each section of wire is gripped at its two ends by two clamps 5a, 5b.
  • the stepping motor 4 and the motor equipping the reeling station 6 are controlled by a calculating unit 22 which is programmed to unwind sections of wires corresponding to determined lengths. Each section forms a loop between the two vices 5a, 5b.
  • the robot includes other work stations, for example a station which cuts the wire between two successive sections, a station 7 which strips the ends of the wires, a station 8 which engages an insulating sheath on each end of the stripped wire, stations 9, 10, 11 which engage and crimp a connection piece, male or female, on each end of bare wire.
  • All of these operations are automatically controlled by the computing unit 22, so that it is thus possible to automatically and in series manufacture bundles of wires fitted with connection pieces, each bundle grouping together all of the wires necessary for the equipment of a machine or apparatus, or an electrical panel or cabinet, which must be mass-produced or individually.
  • the reference 12 represents an output station for the sections of wires 20 equipped with connection pieces 20a, 20b.
  • the station 12 comprises a carriage which moves radially relative to the plate 2 and which comprises means for gripping the sections 20.
  • connection pieces After each section of wire has been fitted with one or two connection pieces, these must be connected to the components intended to receive them in order to interconnect these electrical components.
  • These can be electrical or electromechanical devices, for example transformers, inductors, motors, circuit breakers, relays, programmers, timers, etc.
  • terminal blocks comprising a plurality of terminals, male or female, on each of which a determined connection piece must be fitted equipping one of the wires included in the wire bundle.
  • connection parts must be engaged in a cell of an insulating housing to form a multi-terminal electrical connector intended to be plugged into another connector or onto sockets.
  • electrical components is used to designate all electrical or electromechanical devices comprising terminals as well as insulating housings intended to receive connection parts to form electrical connectors.
  • the installation according to FIG. 1 makes it possible to mechanically carry out the operations of connecting the connection pieces placed on the bundles of wires leaving the robot 1 on all of the electrical components of machines or apparatuses which are produced in large series, so that the same connection operations have to be done a large number of times and that the mechanization of these reduces costs.
  • the reference 13 represents a conveyor, for example an endless conveyor which serves several work stations and which moves in the direction indicated by the arrows.
  • the reference 14 represents a work station or a set of electrical components 16, which belong to the same appliance or to the same subset of an appliance or a machine, are fixed on pallets 15 which include means allowing to fix each electrical component to the pallet in a well-defined position, so that each terminal or each cell can be identified by its coordinates with respect to two perpendicular axes forming part of the pallet.
  • each pallet is attached to the conveyor, for example by hooks 17, so that each pallet is transported in a vertical position to a station 18 for automatic insertion which is in line with the station 12.
  • the automatic plug-in station 18 comprises a carriage or a movable arm 19 which moves along a first horizontal axis z zl, which is perpendicular to the axis x xl of the station 12 and which is provided with a clamp which grasps each section wire 20, immediately behind a connecting piece.
  • the carriage 19 can carry several clamps making it possible to grasp several connection pieces and to connect them simultaneously.
  • the plug-in station 18 further comprises a movable table 21 which includes servomotors making it possible to move it along two axes perpendicular to each other and perpendicular to the axis z zl, preferably, along a horizontal axis parallel to the axis x xl and along a vertical axis y yl.
  • the successive movements of the carriage 19 and of the table 21 are controlled by servomotors controlled by the calculating unit 22.
  • Each pallet 15 brought by the conveyor is successively placed on the table 21, which has positioning stops, so that that each pallet rigorously occupies the same position on the movable table 21 and that we know precisely the coordinates of each terminal and of each cell to which a connection piece must be connected, these coordinates being related to the axes x xl and y yl according to which the table 21 moves.
  • These coordinates are recorded in a memory of the calculation unit 22, in which is also recorded, for each section of wire, the length of said section, the type of connection piece, the component and the terminal of this component on which each connecting piece must be connected.
  • the calculation unit 22 is programmed to automatically move the table 21 and the carriage 19, in a relative movement, so that the latter automatically and individually plugs each of the connection pieces onto the terminal or into the socket which is located placed in alignment with the axis z zl.
  • connection parts on the terminals or in the cells intended to relocate them poses a problem from the moment when the bundle of wires equipped with connection parts is important because the wires whose connection parts have already been connected form at the front of the remaining terminals or cells, a heap of crisscrossed wires which constitutes a difficult or even impossible obstacle to be crossed by the clamp (s) which grip the wire sections at the rear of the connection pieces and which move those -ci along the axis zz ′.
  • Figure 2 is a horizontal section on a larger scale of the workstation 18 on which there is the movable table 21 carrying a pallet 15 placed between positioning stops 25 and the carriage 19 which moves along an axis zz ′ and which carries a clamp 26 composed of two arms, the rear ends of which are clamped between two jaws 27 and the front ends of which grip a wire 20 immediately behind the crimping of a connection piece 20a which is for example a plug rolled edges.
  • a pallet 15 carrying an electrical component 28 equipped with a terminal block constituted by conductive tabs 29 on each of which a connection piece 20a is plugged in and carrying, in addition, an insulating housing 30 which delimits cells 31 in each of which one of the connection pieces 20a must be engaged to form a connector.
  • FIG. 2 represents a stage of operations in which one of the cells 31, which is not yet equipped, is placed in alignment with the aze z zl ready to receive the connection piece 20a held by the clamp 26.
  • the cluster of wires 20, which interconnect the various terminals and cells having already received a connection piece forms a screen difficult to cross.
  • an apparatus according to the invention comprises a rigid and hollow tube 32 which is coaxial with the clamp 26.
  • the rear end of the tube 32 is open, while the front end comprises a point 33 which is formed of several flaps which can deviate from each other.
  • the tube 32 has a square section and the tip 33 has three or four triangular sectors which fold back against each other to form a pyramid or a portion of pyramid, the tip of which is directed forward.
  • FIG. 2 represents an example of a device comprising a single clamp 26 and a single rigid tube 32.
  • a device comprising several clamps, there are several rigid tubes coaxial each with one of the clamps.
  • the rigid tube 32 is mounted for example at the front of the carriage 19, while the clamp 26 is mounted on a support provided with means, for example a jack, which make it possible to move it along the axis z zl, so to be able to take the clamp out of the tube 32 to grip a wire.
  • Figure 3 shows on a larger scale the tube 32 in this position near a bar 29. During this operation, the tip 33 is closed and it facilitates the penetration of the tube through the pile of wires by spreading them .
  • the tube 32 is held by a vibrating head 34, so that the high frequency vibrations facilitate the penetration of the tube through the wires.
  • the movable flaps 33 are spread apart to open the tip and the clamp 26 is then moved axially inside the tube 32 until 'when the connection piece 20a is engaged on the terminal 29 or in the socket 31.
  • FIG. 4 represents an axial section of a preferred embodiment in the position where the flaps forming the tip 33 are separated and where the clamp 26 is engaged in the tube 32.
  • the tube 32 is square and the tip 33 is formed by four triangular flaps 35 which automatically fold down towards the axis to form a pyramid.
  • the flaps 35 are made of steel or any other elastic material and when they are moved away from the folded position, they are brought towards the latter by the elastic forces.
  • the flaps 35 can be connected to the tube 32 by a hinge and equipped with a small return spring which automatically brings each flap towards the axis.
  • the carriage 19 carries a means which makes it possible to axially move a hollow and rigid rod 36, coaxial with the tube 32, inside, of the latter until it comes into contact with the flaps. 35 and that it repels these, as shown in FIG. 4. After which, engages in the hollow rod the clamp 26 holding a wire 20 immediately behind the crimping of a connection piece 20a.
  • the hollow rod 36 has an internal diameter greater than the transverse dimensions of the connection pieces 20a.
  • the clamp 26 has two arms 37a, 37b whose front ends are equipped with two plates 38a, 38b which enclose the wire 20, which plates are in a plane parallel to the longitudinal plane of symmetry of the part connection 20a, that is to say that the plates are in planes perpendicular to the plane of FIG. 4.
  • the central processor controls the opening of the jaws 27 which are actuated for example by an electromagnet.
  • the wire 20, which carries the connection piece 20a is located inside the rigid tube 32 and the hollow rod 36.
  • Figure 3 shows a preferred embodiment of a rigid tube which carries on its underside in the case of a square tube or along its lower generatrix in the case of a round tube, a longitudinal slot 30 which s 'extends over the entire length of the tube including the lower flap.
  • the lower flap can be removed.
  • the width of the slot 40 is greater than the diameter of the wire 20.
  • the slot 40 has at its rear end a V-shaped notch 41 flared outwards.
  • this rod also comprises, along its lower generatrix, a longitudinal slot extending over its entire length, which is flared at the rear end.
  • the central processor controls the backward return of the clamp 26 which is no longer clamped on the wire as well as of the rod 36 and of the tube 32.
  • the wire which tends to descend, engages in the rear notch of the rod 36 and as the tube and the rod move back, the wire leaves them through the slot 40 and the corresponding slot of the rod 36.
  • the central processor commands a slight upward movement of the table 21 which causes the wire to come out entirely from the rod 36 and from the tube 32. Then it commands a backward movement of the hollow rod 36 which allows the shutters to be closed. It also controls the outlet of the clamp 26 from the tube 32.
  • the central computer searches its memory for the terminal or the cell in which this new connection part must be engaged and it controls the movements of the table 21 to bring it into alignment with the axis z zl and a new identical cycle starts again until all the wires in the wire bundle have been connected.
  • the tubes 32 as well as the hollow rods 36 can be composed of two half-tubes or half-rods separated by a longitudinal and vertical joint plane which are brought together when pushed. towards the front and which deviate laterally from each other when they are brought back to let the wire 20 pass which is connected to the connection piece 20a which has just been plugged into a terminal or in a cell.

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  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention a pour objet des procédés et des dispositifs pour connecter mécaniquement sur chaque borne ou dans chaque alvéole de composants électriques, une pièce de connexion faisant partie d'un lot de fils équipés de telles pièces. Un dispositif selon l'invention comporte un tube rigide et creux (32) qui a, à son extrémité avant, une pointe (33) composée de volets qui peuvent s'écarter et qui est monté sur un chariot (19) déplaçable suivant un axe (z zl). Les composants électriques (28, 30) sont montés sur une palette montée sur une table motorisée. On amène chaque borne (29) ou chaque alvéole (31) dans l'alignement de l'axe (z zl). On avance le chariot (19) pour engager le tube à travers l'amas de fils (20). On ouvre la pointe (33). On engage dans le tube (32) une pince (26) serrant un fil (20) immédiatement à l'arrière d'une pièce de connexion. Une application est la réalisation mécanique des opérations d'interconnexion par des fils des divers composants électriques d'une machine.The subject of the invention is methods and devices for mechanically connecting to each terminal or in each cell of electrical components, a connection part forming part of a batch of wires equipped with such parts. A device according to the invention comprises a rigid and hollow tube (32) which has, at its front end, a point (33) composed of flaps which can deviate and which is mounted on a carriage (19) movable along an axis (z zl). The electrical components (28, 30) are mounted on a pallet mounted on a motorized table. Each terminal (29) or each cell (31) is brought into alignment with the axis (z zl). The carriage (19) is advanced to engage the tube through the pile of wires (20). We open the point (33). Pliers (26) are engaged in the tube (32) tightening a wire (20) immediately behind a connection piece. One application is the mechanical performance of interconnection operations by wires of the various electrical components of a machine.

Description

La présente invention a pour objet des procédés et des dispositifs pour connecter mécaniquement sur chaque borne ou dans chaque alvéole de composants électriques, une pièce de connexion faisant partie d'un lot de fils conducteurs équipés de ces pièces.The present invention relates to methods and devices for mechanically connecting to each terminal or in each cell of electrical components, a connection part forming part of a batch of conductive wires equipped with these parts.

Le secteur technique de l'invention est celui de la construction de matériel électrique ou électronique.The technical sector of the invention is that of the construction of electrical or electronic equipment.

On connaît des robots qui découpent automatiquement un fil conducteur en tronçons de longueurs déterminées correspondant à un faisceau de tous les fils nécessaires pour équiper une machine ou une partie de machine ou d'appareil et qui sertissent automatiquement sur chaque extrémité du fil, une pièce de connexion électrique pouvant avoir différentes formes, par exemple une broche, une douille, une languette à bords roulés etc....Robots are known which automatically cut a conductive wire into sections of determined lengths corresponding to a bundle of all the wires necessary to equip a machine or part of a machine or apparatus and which automatically crimp a piece of wire on each end of the wire. electrical connection which can have different shapes, for example a pin, a socket, a tab with rolled edges etc ...

On connaît également des robots qui, après avoir découpé les fils et avoir serti un pièce de connexion sur l'extrémité de chacun d'eux, peuvent insérer individuellement chaque pièce de connexion dans un alvéole d'un boîtier isolant pour former un connecteur ou peuvent connecter individuelelment chaque pièce de connexion sur une des bornes mâles ou femelles d'un bornier d'un composant électrique, par exemple d'un thermostat, d'une minuterie, d'un capteur, d'un programmateur etc....Also known are robots which, after having cut the wires and having crimped a connection piece on the end of each of them, can insert each connection piece individually in a cell of an insulating housing to form a connector or can connect each connection piece individually to one of the male or female terminals of a terminal block of an electrical component, for example a thermostat, a timer, a sensor, a programmer, etc.

La demande de brevet FR.86/16.777 (C. RICARD) décrit des procédés et appareils permettant de connecter automatiquement sur un ensemble de composants électriques des pièces de connexion serties chacune sur un fil conducteur, grâce à une palette sur laquelle on monte tous les composants d'une machine, laquelle palette est montée sur une table mobile déplaçable suivant deux axes devant un chariot déplaçable suivant un troisième axe, lequel chariot porte une pince mobile qui saisit individuellement chaque pièce de connexion et qui l'enfiche sur une borne ou qui l'engage dans un alvéole d'un boîtier isolant.Patent application FR.86 / 16.777 (C. RICARD) describes methods and apparatuses making it possible to connect automatically to a set of electrical components connection pieces each crimped onto a conductive wire, using a pallet on which all the components of a machine, which pallet is mounted on a movable table movable along two axes in front of a carriage movable along a third axis, which carriage carries a movable clamp which individually grips each connection piece and which plugs it into a terminal or which engages it in a cell of an insulating housing.

Dans le cas d'une palette portant un grand nombre de composants ou des borniers comportant un grand nombre de bornes ou des boîtiers isolants comportant un grand nombre d'alvéoles et dans le cas d'un seul composant comportant une pluralité de bornes ou d'alvéoles, on se trouve rapidement en présence d'une pluralité de fils conducteurs qui forment, en avant des bornes ou des boîtiers isolants, un amas de fils entrecroisés dans toutes les directions et qui font que les pièces de connexion amenées par la pince mobile traversant difficilement cet amas de fils et ne peuvent plus accéder à certaines bornes ou à certains alvéoles.In the case of a pallet carrying a large number of components or terminal blocks comprising a large number of terminals or insulating boxes comprising a large number of cells and in the case of a single component comprising a plurality of terminals or alveoli, one quickly finds oneself in the presence of a plurality of conductive wires which form, in front of the terminals or insulating boxes, a heap of wires intersecting in all directions and which cause the connecting pieces brought by the movable clamp through with difficulty this pile of wires and can no longer access certain terminals or certain cells.

L'objectif de l'invention est de procurer des procédés et des dispositifs qui apportent une solution à ce problème.The object of the invention is to provide methods and devices which provide a solution to this problem.

Un procédé selon l'invention est destiné à connecter mécaniquement sur chaque borne ou dans chaque alvéole d'un ou plusieurs composants électriques, une pièce de connexion sertie sur un fil conducteur qui fait partie d'un lot de fils sortant d'un robot de câblage.A method according to the invention is intended to mechanically connect to each terminal or in each cell of one or more electrical components, a connection piece crimped onto a conductive wire which is part of a batch of wires emerging from a robot. wiring.

Un procédé selon l'invention est du type connu dans lequel on place un ou plusieurs composants électriques en regard d'une ou plusieurs pinces qui sont mobiles suivant un premier axe qui est parallèle à l'axe desdites bornes ou desdits alvéoles, lesquelles pinces saisissent chacune un desdits fils immédiatement à l'arrière de la pièce de connexion sertie sur celui-ci et par un déplacement relatif suivant deux autres axes perpendiculaires audit premier axe on amène une ou plusieurs desdites bornes et/ou un ou plusieurs desdits alvéoles dans l'alignement de l'axe d'une ou plusieurs desdites pinces.A method according to the invention is of the known type in which one or more electrical components are placed opposite one or more clamps which are movable along a first axis which is parallel to the axis of said terminals or of said cells, which clamps grip each one of said wires immediately behind the connection piece crimped thereon and by a relative displacement along two other axes perpendicular to said first axis one or more of said terminals and / or one or more of said cells are brought into the alignment of the axis of one or more of said clamps.

L'objectif de l'invention est atteint par un procédé qui comporte, en outre, les opérations suivantes :
- on engage à traverse l'amas de fils se trouvant devant lesdits composants un ou plusieurs tubes creux et rigides, parallèles aux axes desdites bornes ou desdits alvéoles, lesquels tubes sont alignés chacun avec l'une desdites pinces, comportent chacun à l'extrémité avant une pointe formée de plusieurs volets qui peuvent être écartés l'une de l'autre et ont une extrémité arrière ouverte et l'on déplace chacun desdits tubes suivant l'axe d'une desdites bornes ou de l'un desdits alvéoles placé dans l'alignement d'une desdites pinces jusqu'à ce que ladite pointe se trouve à proximité de ladite borne ou dudit alvéole;
- on écarte lesdits volets;
- on engage axialement dans chaque tube, l'une desdites pinces enserrant un fil jusqu'à ce que ladite pièce de connexion soit engagée sur ladite borne ou dans ledit alvéole;
- on ouvre lesdites pinces;
- on retire lesdits tubes rigides à l'extérieur de l'amas de fils;
- on sort les fils à l'extérieur desdites tubes;
- on ferme lesdits volets;
- on retire axialement lesdites pinces à l'extérieur desdites tubes;
- on déplace lesdits composants et lesdites pinces et lesdits tubes rigides d'un mouvement relatif pour amener d'autres bornes et/ou d'autres alvéoles dans l'alignement desdites pinces;
- et un nouveau cycle recommence.The object of the invention is achieved by a method which further comprises the following operations:
- One engages through the cluster of wires located in front of said components one or more hollow and rigid tubes, parallel to the axes of said terminals or said cells, which tubes are each aligned with one of said clamps, each have at the end before a point formed by several flaps which can be separated from one another and have an open rear end and each of said tubes is displaced along the axis of one of said terminals or of one of said cells placed in the alignment of one of said pliers until said point is at proximity of said terminal or of said cell;
- said flaps are removed;
- One axially engages in each tube, one of said clamps enclosing a wire until said connection piece is engaged on said terminal or in said cell;
- said pliers are opened;
- said rigid tubes are removed outside the pile of wires;
- the wires are taken out of said tubes;
- said shutters are closed;
- said clamps are removed axially from the outside of said tubes;
- Moving said components and said clamps and said rigid tubes in a relative movement to bring other terminals and / or other cells in alignment with said clamps;
- and a new cycle begins again.

Avantageusement, on fait vibrer lesdits tubes rigides pendant qu'on les engage à travers l'amas de fils afin de faciliter la pénétration desdits tubes à travers ledit amas.Advantageously, said rigid tubes are made to vibrate while they are engaged through the cluster of wires in order to facilitate the penetration of said tubes through said cluster.

Selon un mode de réalisation préférentiel, les volets qui constituent la pointe dudit tube rigide se rabattent automatiquement vers l'axe et on les écarte en engageant axialement dans chaque tube rigide, une tige creuse et rigide qui repousse lesdits volets puis on engageant axialement une desdites pinces dans chacune desdites tiges creuses.According to a preferred embodiment, the flaps which constitute the tip of said rigid tube automatically fold back towards the axis and they are moved aside by axially engaging in each rigid tube, a hollow and rigid rod which pushes said flaps and then axially engaging one of said clamps in each of said hollow rods.

Un dispositif selon l'invention est destiné à connecter mécaniquement sur chaque borne ou dans chaque alvéole d'un ou plusieurs composants électroniques, une pièce de connexion sertie sur un fil conducteur faisant partie d'un lot de fils sortant d'un robot de câblage.A device according to the invention is intended to mechanically connect to each terminal or in each cell of one or more electronic components, a connection piece crimped onto a conductive wire forming part of a batch of wires emerging from a wiring robot .

Un dispositif selon l'invention est du type connu comportant un support qui porte un ou plusieurs composants électroniques, et un bras ou chariot mobile qui porte une ou plusieurs pinces qui saisissent chacune un des fils conducteurs immédiatement à l'arrière d'une pièce de connexion sertie sur celui-ci, lequel support et leque bras ou chariot sont déplaçables l'un par rapport à l'autre suivant trois axes dont l'un est parallèles aux axes desdites bornes ou alvéoles.A device according to the invention is of the known type comprising a support which carries one or more electronic components, and a mobile arm or carriage which carries one or more clamps which each grip one of the conducting wires immediately behind a piece of connection set thereon, which support and arm or carriage are movable relative to each other along three axes, one of which is parallel to the axes of said terminals or cells.

Un dispositif selon l'invention est caractérisé par le fait qu'il comporte une tête montée sur ledit bras ou chariot mobile qui porte un ou plusieurs tubes creux et rigides, lesquels tubes sont parallèles entre eux et à l'axe desdites bornes et/ou desdits alvéoles et chacun des tubes est coaxial avec l'une desdites pinces, il comporte à son extrémité avant une pointe formée de plusieurs volets pouvant être écartés l'un de l'autre et il a une extrémité arrière ouverte.A device according to the invention is characterized in that it comprises a head mounted on said arm or mobile carriage which carries one or more hollow and rigid tubes, which tubes are parallel to each other and to the axis of said terminals and / or of said cells and each of the tubes is coaxial with one of said clamps, it has at its front end a point formed by several flaps which can be separated from one another and it has an open rear end.

L'invention a pour résultat la possibilité de connecter automatiquement des pièces de connexion équipant un lot de fils sortant d'un robot de câblage sur un ou plusieurs composants électriques qui peuvent être réunis sur une palette, malgré la présence d'un amas de fils entrelacés qui interconnectent les bornes ayant déjà reçu une pièce de connexion et qui s'opposent au passage des nouvelles pièces de connexion.The invention results in the possibility of automatically connecting connection pieces equipping a batch of wires leaving a wiring robot on one or more electrical components which can be combined on a pallet, despite the presence of a pile of wires interleaved which interconnect the terminals which have already received a connection part and which oppose the passage of the new connection parts.

Les tubes rigides munis d'une pointe permettent de frayer un passage au milieu des amas de fils et de résoudre un problème qui jusqu'à ce jour rendait difficile les opérations de connexion mécanique dès que celles-ci s'appliquaient à des lots comportant un grand nombre de fils, ce qui est un cas très fréquent puisque la mécanisation des opérations de connexion se justifie économiquement dans le cas où l'on doit réaliser un grand nombre de connexions.The rigid tubes provided with a point make it possible to clear a passage in the middle of the clusters of wires and to solve a problem which until now made mechanical connection operations difficult as soon as these applied to lots comprising a large number of wires, which is a very frequent case since the mechanization of connection operations is economically justified in the case where a large number of connections have to be made.

La description suivante se réfère aux dessins annexés qui représentent, sans aucun caractère limitatif, un exemple de réalisation d'un dispositif selon l'invention.

  • La figure 1 est une vue en plan schématique de l'ensemble d'une installation mettant en oeuvre un procédé selon l'invention.
  • La figure 2 est une coupe horizontale d'une partie d'un dispositif selon l'invention.
  • La figure 3 est une coupe axiale d'un tube rigide utilisé dans un dispositif selon l'invention.
  • La figure 4 est une coupe axiale analogue à la figure 3 montrant les positions relatives des différentes parties d'un dispositif selon l'invention au moment où une pièce de connexion femelle est engagée sur une barette conductrice mâle.
The following description refers to the appended drawings which represent, without any limiting character, an exemplary embodiment of a device according to the invention.
  • Figure 1 is a schematic plan view of the assembly of an installation implementing a method according to the invention.
  • Figure 2 is a horizontal section of part of a device according to the invention.
  • Figure 3 is an axial section of a rigid tube used in a device according to the invention.
  • Figure 4 is an axial section similar to Figure 3 showing the relative positions of the different parts of a device according to the invention when a female connection piece is engaged on a male conductive bar.

La figure 1 représente une installation de préparation mécanique d'ensembles de fils conducteurs équipés de pièces de connexion et d'enfichage mécanique des pièces de connexion sur des borniers équipant des appareils électriques faisant partie d'une machine ou dans des alvéoles de boîtiers isolants pour former des connecteurs.FIG. 1 represents an installation for the mechanical preparation of sets of conductive wires equipped with connection parts and for mechanical insertion of the connection parts on terminal blocks fitted to electrical devices forming part of a machine or in cells of insulating boxes to form connectors.

L'installation représentée comporte un robot de câblage 1, de tout type connu.The installation shown comprises a wiring robot 1, of any known type.

Ce robot est par exemple du type décrit dans le brevet FR. 81/18.181. Il comporte un plateau circulaire 2 qui est entraîné en rotation autour d'un arbre vertical 3 par un moteur pas à pas 4, dans le sens de la flèche F1. Le plateau 2 porte à sa périphérie des paires de mâchoires ou d'étaux 5a, 5b qui peuvent pivoter autour d'un axe vertical.This robot is for example of the type described in the FR patent. 81 / 18.181. It comprises a circular plate 2 which is rotated around a vertical shaft 3 by a stepping motor 4, in the direction of the arrow F1. The plate 2 carries at its periphery pairs of jaws or vices 5a, 5b which can pivot around a vertical axis.

Des postes de travail sont disposés à la périphérie du plateau 2, qui sert de convoyeur. Par exemple,un premier poste 6 comporte des moyens pour dévider un fil conducteur 6a dans une direction tangente au plateau 2.Workstations are arranged at the periphery of the plate 2, which serves as a conveyor. For example, a first station 6 comprises means for unwinding a conducting wire 6a in a direction tangent to the plate 2.

Chaque tronçon de fil est saisi à ses deux extrémités par deux étaux 5a, 5b. Le moteur pas à pas 4 et le moteur équipant le poste de dévidement 6 sont commandés par une unité de calcul 22 qui est programmée pour dévider des tronçons de fils correspondant à des longueurs déterminées. Chaque tronçon forme une boucle entre les deux étaux 5a, 5b.Each section of wire is gripped at its two ends by two clamps 5a, 5b. The stepping motor 4 and the motor equipping the reeling station 6 are controlled by a calculating unit 22 which is programmed to unwind sections of wires corresponding to determined lengths. Each section forms a loop between the two vices 5a, 5b.

Le robot comporte d'autres postes de travail, par exemple un poste qui sectionne le fil entre deux tronçons successifs, un poste 7 qui dénude les extrémités des fils, un poste 8 qui engage une gaine isolante sur chaque extrémité du fil dénudé, des postes 9, 10, 11 qui engagent et sertissent une pièce de connexion, mâle ou femelle, sur chaque extrémité de fil dénudée.The robot includes other work stations, for example a station which cuts the wire between two successive sections, a station 7 which strips the ends of the wires, a station 8 which engages an insulating sheath on each end of the stripped wire, stations 9, 10, 11 which engage and crimp a connection piece, male or female, on each end of bare wire.

Toutes ces opérations sont commandées automatiquement par l'unité de calcul 22, de sorte que l'on peut ainsi fabriquer automatiquement et en série, des paquets de fils équipés de pièces de connexion, chaque paquet regroupant l'ensemble des fils nécessaires à l'équipement d'une machine ou d'un appareil,
ou d'un tableau ou d'une armoire électrique, qui doivent être fabriqués en série importantes ou unitairement.All of these operations are automatically controlled by the computing unit 22, so that it is thus possible to automatically and in series manufacture bundles of wires fitted with connection pieces, each bundle grouping together all of the wires necessary for the equipment of a machine or apparatus,
or an electrical panel or cabinet, which must be mass-produced or individually.

Le repère 12 représente un poste de sortie des tronçons de fils 20 équipés de pièces de connexion 20a, 20b. Le poste 12 comporte un chariot qui se déplace radialement par rapport au plateau 2 et qui comportent des moyens de préhension des tronçons de fils 20.The reference 12 represents an output station for the sections of wires 20 equipped with connection pieces 20a, 20b. The station 12 comprises a carriage which moves radially relative to the plate 2 and which comprises means for gripping the sections 20.

Après que chaque tronçon de fil a été équipé d'une ou de deux pièces de connexion, il faut connecter celles-ci aux composants destinés à les recevoir afin d'interconnecter ces composants électriques. Ceux-ci peuvent être des appareils électriques ou électromécaniques, par exemple des transformateurs, des bobines de self, des moteurs, des disjonctuers, des relais, des programmateurs, des minuteries etc....After each section of wire has been fitted with one or two connection pieces, these must be connected to the components intended to receive them in order to interconnect these electrical components. These can be electrical or electromechanical devices, for example transformers, inductors, motors, circuit breakers, relays, programmers, timers, etc.

Ces composants sont équipés de borniers comportant une pluralité de bornes, mâles ou femelles, sur chacune desquelles on doit connecter une pièce de connexion déterminée équipant l'un des fils compris dans le paquet de fils.These components are fitted with terminal blocks comprising a plurality of terminals, male or female, on each of which a determined connection piece must be fitted equipping one of the wires included in the wire bundle.

Dans d'autres cas, certaines pièces de connexion doivent être engagées dans un alvéole d'un boîtier isolant pour former un connecteur électrique multi bornes destiné à être enfiché sur un autre connecteur ou sur des prises. On désigne du terme de composants électriques, tous les appareils électriques ou électromécaniques comportant des bornes ainsi que les boîtiers isolants destinés à recevoir des pièces de connexion pour former des connecteurs électriques.In other cases, certain connection parts must be engaged in a cell of an insulating housing to form a multi-terminal electrical connector intended to be plugged into another connector or onto sockets. The term electrical components is used to designate all electrical or electromechanical devices comprising terminals as well as insulating housings intended to receive connection parts to form electrical connectors.

L'installation selon la figure 1 permet d'effectuer mécaniquement les opérations de branchement des pièces de connexion placées sur les paquets de fils sortant du robot 1 sur l'ensemble des composants électriques de machines ou d'appareils qui sont fabriqués en séries importantes, de sorte que les mêmes opérations de connexion doivent être faites un grand nombre de fois et que la mécanisation de celles-ci réduit les coûts.The installation according to FIG. 1 makes it possible to mechanically carry out the operations of connecting the connection pieces placed on the bundles of wires leaving the robot 1 on all of the electrical components of machines or apparatuses which are produced in large series, so that the same connection operations have to be done a large number of times and that the mechanization of these reduces costs.

Le repère 13 représente un convoyeur, par exemple un convoyeur sans fin qui dessert plusieurs postes de travail et qui se déplace dans le sens indiqué par les flèches.The reference 13 represents a conveyor, for example an endless conveyor which serves several work stations and which moves in the direction indicated by the arrows.

Le repère 14 représente un poste de travail ou un ensemble de composants électriques 16, qui appartiennent à un même appareil ou à un même sous-ensemble d'un appareil ou d'une machine, sont fixés sur des palettes 15 qui comportent des moyens permettant de fixer à la palette chaque composant électrique dans une position bien déterminée, de sorte que chaque borne ou chaque alvéole peut être repéré par ses coordonnées par rapport à deux axes perpendiculaires faisant partie de la palette.The reference 14 represents a work station or a set of electrical components 16, which belong to the same appliance or to the same subset of an appliance or a machine, are fixed on pallets 15 which include means allowing to fix each electrical component to the pallet in a well-defined position, so that each terminal or each cell can be identified by its coordinates with respect to two perpendicular axes forming part of the pallet.

Les composants 16 sont placés manuellement sur la palette. Une fois garnie, chaque palette est accrochée au convoyeur, par exemple par des crochets 17, de sorte que chaque palette est transportée en position verticale jusqu'à un poste 18 d'enfichage automatique qui se trouve dans l'alignement du poste 12.The components 16 are placed manually on the pallet. Once filled, each pallet is attached to the conveyor, for example by hooks 17, so that each pallet is transported in a vertical position to a station 18 for automatic insertion which is in line with the station 12.

Le poste d'enfichage automatique 18 comporte un chariot ou un bras mobile 19 qui se déplace suivant un premier axe horizontal z zl, qui est perpendiculaire à l'axe x xl du poste 12 et qui est muni d'une pince qui saisit chaque tronçon de fil 20, immédiatement à l'arrière d'une pièce de connexion. En variante, le chariot 19 peut porter plusieurs pinces permettant de saisir plusieurs pièces de connexion et de les connecter simultanément.The automatic plug-in station 18 comprises a carriage or a movable arm 19 which moves along a first horizontal axis z zl, which is perpendicular to the axis x xl of the station 12 and which is provided with a clamp which grasps each section wire 20, immediately behind a connecting piece. As a variant, the carriage 19 can carry several clamps making it possible to grasp several connection pieces and to connect them simultaneously.

Le poste d'enfichage 18 comporte, en outre, une table mobile 21 qui comporte des servomoteurs permettant de la déplacer suivant deux axes perpendiculaires entre eux et perpendiculaires à l'axe z zl, de préférence, suivant un axe horizontal parallèle à l'axe x xl et suivant un axe vertical y yl.The plug-in station 18 further comprises a movable table 21 which includes servomotors making it possible to move it along two axes perpendicular to each other and perpendicular to the axis z zl, preferably, along a horizontal axis parallel to the axis x xl and along a vertical axis y yl.

Les déplacements successifs du chariot 19 et de la table 21 sont commandés par des servomoteurs commandés par l'unité de calcul 22. On place successivement chaque palette 15 amenée par le convoyeur sur la table 21, qui comporte des butées de positionnement, de telle sorte que chaque palette occupe rigoureusement la même position sur la table mobile 21 et que l'on connaît avec précision les coordonnés de chaque borne et de chaque alvéole sur lesquels on doit connecter une pièce de connexion, ces coordonnées étant rapportées aux axes x xl et y yl suivant lesquels la table 21 se déplace. Ces coordonnées sont enregistrées dans une mémoire de l'unité de calcul 22, dans laquelle est enregistrée également, pour chaque tronçon de fil, la longueur dudit tronçon, le type de pièce de connexion, le composant et la borne de ce composant sur laquelle chaque pièce de connexion doit être connectée.The successive movements of the carriage 19 and of the table 21 are controlled by servomotors controlled by the calculating unit 22. Each pallet 15 brought by the conveyor is successively placed on the table 21, which has positioning stops, so that that each pallet rigorously occupies the same position on the movable table 21 and that we know precisely the coordinates of each terminal and of each cell to which a connection piece must be connected, these coordinates being related to the axes x xl and y yl according to which the table 21 moves. These coordinates are recorded in a memory of the calculation unit 22, in which is also recorded, for each section of wire, the length of said section, the type of connection piece, the component and the terminal of this component on which each connecting piece must be connected.

L'unité de calcul 22 est programmée pour déplacer automatiquement la table 21 et le chariot 19, d'un mouvement relatif, afin que celui-ci enfiche automatiquement et individuellement chacune des pièces de connexion sur la borne ou dans l'alvéole qui se trouve placé dans l'alignement de l'axe z zl.The calculation unit 22 is programmed to automatically move the table 21 and the carriage 19, in a relative movement, so that the latter automatically and individually plugs each of the connection pieces onto the terminal or into the socket which is located placed in alignment with the axis z zl.

Après que tous les fils d'un lot ont été enfichés sur les composants fixés à une palette 15, celle-ci est retirée de la table 21 et accrochée à nouveau au convoyeur 13 qui la présente devant un poste d'essais 23, qui permet de vérifier le bon état des connexions. Après quoi les palettes 15 portant les composants interconnectés par un faisceau de fils, sont récupérées par un poste de travail 24 et les composants sont montés localement ou en atelier sur la machine, l'appareil et le sous-ensemble qu'ils doivent équiper.After all the wires in a batch have been plugged into the components attached to a pallet 15, this is removed from the table 21 and attached again to the conveyor 13 which presents it in front of a testing station 23, which makes it possible to verify the good condition of the connections. After which the pallets 15 carrying the components interconnected by a bundle of wires are recovered by a work station 24 and the components are mounted locally or in the workshop on the machine, the apparatus and the subassembly which they have to equip.

Tous ce qui précède est décrit dans la demande de brevet FR. 86/16.777.All of the above is described in the FR patent application. 86 / 16.777.

L'enfichage automatique des pièces de connexion sur les bornes ou dans les alvéoles destinés à les revecoir pose un problème à partir du moment où le paquet de fils équipés de pièces de connexion est important car les fils dont les pièces de connexion ont déjà été connectées forment à l'avant des bornes ou des alvéoles restants, un amas de fils entrecroisés qui constitue un obstacle difficile ou même impossible à franchir par la ou les pinces qui saisissent les tronçons de fil à l'arrière des pièces de connexion et qui déplacent celles-ci suivant l'axe z z′.The automatic insertion of the connection parts on the terminals or in the cells intended to relocate them poses a problem from the moment when the bundle of wires equipped with connection parts is important because the wires whose connection parts have already been connected form at the front of the remaining terminals or cells, a heap of crisscrossed wires which constitutes a difficult or even impossible obstacle to be crossed by the clamp (s) which grip the wire sections at the rear of the connection pieces and which move those -ci along the axis zz ′.

La figure 2 est une coupe horizontale à plus grande échelle du poste de travail 18 sur laquelle on retrouve la table mobile 21 portant une palette 15 placée entre des butées de positionnement 25 ainsi que le chariot 19 qui se déplace suivant un axe z z′ et qui porte une pince 26 composée de deux bras dont les extrémités arrière sont serrées entre deux mâchoires 27 et dont les extrémités avant enserrent entre elles un fil 20 immédiatement à l'arrière du sertissage d'une pièce de connexion 20a qui est par exemple une fiche à bords roulés.Figure 2 is a horizontal section on a larger scale of the workstation 18 on which there is the movable table 21 carrying a pallet 15 placed between positioning stops 25 and the carriage 19 which moves along an axis zz ′ and which carries a clamp 26 composed of two arms, the rear ends of which are clamped between two jaws 27 and the front ends of which grip a wire 20 immediately behind the crimping of a connection piece 20a which is for example a plug rolled edges.

On a représenté à titre d'exemple sur cette figure, une palette 15 portant un composant électrique 28 équipé d'un bornier constitué par des languettes conductrices 29 sur chacune desquelles on enfiche une pièce de connexion 20a et portant, en outre, un boîtier isolant 30 qui délimite des alvéoles 31 dans chacun desquels on doit engager une des pièces de connexion 20a pour former un connecteur.There is shown by way of example in this figure, a pallet 15 carrying an electrical component 28 equipped with a terminal block constituted by conductive tabs 29 on each of which a connection piece 20a is plugged in and carrying, in addition, an insulating housing 30 which delimits cells 31 in each of which one of the connection pieces 20a must be engaged to form a connector.

La figure 2 représent un stade des opérations dans lequel un des alvéoles 31, qui n'est pas encore équipé, est placé dans l'alignement de l'aze z zl prêt à recevoir la pièce de connexion 20a tenue par la pince 26. On voit clairement sur cette figure que l'amas de fils 20, qui interconnectent les diverses bornes et alvéoles ayant déjà reçu une pièce de connexion, forme un écran difficile à franchir. Pour résoudre ce problème, un appareil selon l'invention comporte un tube rigide et creux 32 qui est coaxial avec la pince 26. L'extrémité arrière du tube 32 est ouverte, tandis que l'extrémité avant comporte une pointe 33 qui est formée de plusieurs volets qui peuvent s'écarter l'un de l'autre.FIG. 2 represents a stage of operations in which one of the cells 31, which is not yet equipped, is placed in alignment with the aze z zl ready to receive the connection piece 20a held by the clamp 26. On clearly sees on this figure that the cluster of wires 20, which interconnect the various terminals and cells having already received a connection piece, forms a screen difficult to cross. To solve this problem, an apparatus according to the invention comprises a rigid and hollow tube 32 which is coaxial with the clamp 26. The rear end of the tube 32 is open, while the front end comprises a point 33 which is formed of several flaps which can deviate from each other.

Par exemple, le tube 32 a une section carrée et la pointe 33 comporte trois ou quatre secteurs triangulaires qui se rabattent les uns contre les autres pour former une pyramide ou une portion de pyramide, dont la pointe est dirigée vers l'avant.For example, the tube 32 has a square section and the tip 33 has three or four triangular sectors which fold back against each other to form a pyramid or a portion of pyramid, the tip of which is directed forward.

La figure 2 représente un exemple d'un dispositif comportant une seule pince 26 et un seul tube rigide 32. Dans le cas d'un dispositif comportant plusieurs pinces, il y a plusieurs tubes rigides coaxiaux chacun avec l'une des pinces.FIG. 2 represents an example of a device comprising a single clamp 26 and a single rigid tube 32. In the case of a device comprising several clamps, there are several rigid tubes coaxial each with one of the clamps.

Le tube rigide 32 est monté par exemple à l'avant du chariot 19, tandis que la pince 26 est montée sur un support muni de moyens, par exemple d'un vérin, qui permettent de le déplacer suivant l'axe z zl, afin de pouvoir sortir la pince hors du tube 32 pour saisir un fil.The rigid tube 32 is mounted for example at the front of the carriage 19, while the clamp 26 is mounted on a support provided with means, for example a jack, which make it possible to move it along the axis z zl, so to be able to take the clamp out of the tube 32 to grip a wire.

Lorsque le chariot 19, la pince 26 et le tube 32 sont dans la position représentée sur la figure 2, on déplace le chariot suivant l'axe z z′ jusqu'à ce que l'extrémité avant de la pointe 33 arrive à proximité de l'alvéole 31 ou de la barrette 29 sur laquelle on doit engager la pièce de connexion 20a placée à l'extrémité du fil tenu par la pince 26.When the carriage 19, the clamp 26 and the tube 32 are in the position shown in FIG. 2, the carriage is moved along the axis zz ′ until the front end of the tip 33 comes close to the cell 31 or of the bar 29 on which the connecting piece 20a must be engaged placed at the end of the wire held by the clamp 26.

La figure 3 représente à plus grande échelle le tube 32 dans cette position à proximité d'une barrette 29. Pendant cette opération, la pointe 33 est fermée et elle facilite la pénétration du tube à travers l'amas de fils en écartant ceux-ci.Figure 3 shows on a larger scale the tube 32 in this position near a bar 29. During this operation, the tip 33 is closed and it facilitates the penetration of the tube through the pile of wires by spreading them .

Avantageusement, le tube 32 est tenu par une tête vibrante 34, de sorte que les vibrations à grande fréquence facilitent la pénétration du tube à travers les fils.Advantageously, the tube 32 is held by a vibrating head 34, so that the high frequency vibrations facilitate the penetration of the tube through the wires.

Après que l'extrémité de la pointe 33 est arrivée à proximité de la borne 29 ou d'un alvéole 31, on écarte les volets mobiles 33 pour ouvrir la pointe et on déplace ensuite la pince 26 axialement à l'intérieur du tube 32 jusqu'au moment où la pièce de connexion 20a est engagée sur la borne 29 ou dans l'alvéole 31.After the end of the tip 33 has arrived near the terminal 29 or a cell 31, the movable flaps 33 are spread apart to open the tip and the clamp 26 is then moved axially inside the tube 32 until 'when the connection piece 20a is engaged on the terminal 29 or in the socket 31.

La figure 4 représente une coupe axiale d'un mode de réalisation préférentiel dans la position où les volets formant la pointe 33 sont écartés et où la pince 26 est engagée dans le tube 32.FIG. 4 represents an axial section of a preferred embodiment in the position where the flaps forming the tip 33 are separated and where the clamp 26 is engaged in the tube 32.

Dans cet exemple, le tube 32 est carré et la pointe 33 est formée de quatre volets triangulaires 35 qui se rabattent automatiquement vers l'axe pour former une pyramide.In this example, the tube 32 is square and the tip 33 is formed by four triangular flaps 35 which automatically fold down towards the axis to form a pyramid.

Par exemple, les volets 35 sont en acier ou en tout autre matériau élastique et lorsqu'on les écarte de la position rabattue, ils sont ramenés vers celle-ci par les forces élastiques. En variante, les volets 35 peuvent être reliés au tube 32 par une articulation et équipés d'un petit ressort de rappel qui ramène automatiquement chaque volet vers l'axe.For example, the flaps 35 are made of steel or any other elastic material and when they are moved away from the folded position, they are brought towards the latter by the elastic forces. As a variant, the flaps 35 can be connected to the tube 32 by a hinge and equipped with a small return spring which automatically brings each flap towards the axis.

Dans ce mode de réalisation, le chariot 19 porte un moyen qui permet de déplacer axialement une tige creuse et rigide 36, coaxiale au tube 32, à l'intérieur, de celui-ci jusqu'à ce qu'elle vienne au contact des volets 35 et qu'elle repousse ceux-ci, comme le rperésente la figure 4. Après quoi, en engage dans la tige creuse la pince 26 tenant un fil 20 immédiatement à l'arrière du sertissage d'une pièce de connexion 20a. La tige creuse 36 a un diamètre interne supérieur aux dimensions transversales des pièces de connexion 20a.In this embodiment, the carriage 19 carries a means which makes it possible to axially move a hollow and rigid rod 36, coaxial with the tube 32, inside, of the latter until it comes into contact with the flaps. 35 and that it repels these, as shown in FIG. 4. After which, engages in the hollow rod the clamp 26 holding a wire 20 immediately behind the crimping of a connection piece 20a. The hollow rod 36 has an internal diameter greater than the transverse dimensions of the connection pieces 20a.

On voit sur la figure 4 que la pince 26 comporte deux bras 37a, 37b dont les extrémités avant sont équipées de deux plaquettes 38a, 38b qui enserrent le fil 20, lesquelles plaquettes se trouvent dans un plan parallèle au plan de symétrie longitudinale de la pièce de connexion 20a, c'est-à-dire que les plaquettes sont dans des plans perpendiculaires au plan de la figure 4.We see in Figure 4 that the clamp 26 has two arms 37a, 37b whose front ends are equipped with two plates 38a, 38b which enclose the wire 20, which plates are in a plane parallel to the longitudinal plane of symmetry of the part connection 20a, that is to say that the plates are in planes perpendicular to the plane of FIG. 4.

Les extrémités arrière des deux bras 37a et 37b sont tenues par des mâchoires 27, visibles sur la figure 2, qui permettent de maintenir la pince 38a, 38b serrée contre le fil 20, pendant le déplacement axial.The rear ends of the two arms 37a and 37b are held by jaws 27, visible in FIG. 2, which allow the clamp 38a, 38b to be held tight against the wire 20, during axial movement.

Après que la pièce de connexion 20a a été engagée sur une borne 29 ou dans un alvéole 31, le processeur central commande l'ouverture des mâchoires 27 qui sont actionnées par exemple par un électro-aimant. A ce moment le fil 20, qui porte la pièce de connexion 20a se trouve à intérieur du tube rigide 32 et de la tige creuse 36.After the connection piece 20a has been engaged on a terminal 29 or in a cell 31, the central processor controls the opening of the jaws 27 which are actuated for example by an electromagnet. At this moment the wire 20, which carries the connection piece 20a, is located inside the rigid tube 32 and the hollow rod 36.

La figure 3 montre un mode de réalisation préférentiel d'un tube rigide qui porte sur sa face inférieure dans le cas d'un tube carré ou le long de sa génératrice inférieure dans le cas d'un tube rond, une fente longitudinale 30 qui s'étend sur toute la longueur du tube y compris le volet inférieur. En variante, le volet inférieur peut être supprimé.Figure 3 shows a preferred embodiment of a rigid tube which carries on its underside in the case of a square tube or along its lower generatrix in the case of a round tube, a longitudinal slot 30 which s 'extends over the entire length of the tube including the lower flap. Alternatively, the lower flap can be removed.

La largeur de la fente 40 est supérieure au diamètre du fil 20. La fente 40 comporte à son extrémité arrière une échancrure en forme de Vé 41 évasée vers l'extérieur. Dans le cas où l'on utilise une tige creuse 36 pour repousser les volets 35, cette tige comporte également, le long de sa génératrice inférieure, une fente longitudinale s'étendant sur toute sa longueur, qui est évasée à l'extrémité arrière.The width of the slot 40 is greater than the diameter of the wire 20. The slot 40 has at its rear end a V-shaped notch 41 flared outwards. In the case where a hollow rod 36 is used to push back the flaps 35, this rod also comprises, along its lower generatrix, a longitudinal slot extending over its entire length, which is flared at the rear end.

le processeur central commande le retour arrière de la pince 26 qui n'est plus serrée sur le fil ainsi que de la tige 36 et du tube 32. Le fil qui a tendance à redescendre, s'engage dans l'échancrure arrière de la tige 36 et à mesure que le tube et la tige reculent, le fil sort de celles-ci à travers la fente 40 et la fente correspondante de la tige 36.the central processor controls the backward return of the clamp 26 which is no longer clamped on the wire as well as of the rod 36 and of the tube 32. The wire which tends to descend, engages in the rear notch of the rod 36 and as the tube and the rod move back, the wire leaves them through the slot 40 and the corresponding slot of the rod 36.

Après quoi le processeur central commande un léger déplacement vers le haut de la table 21 qui fait sortir le fil entièrement de la tige 36 et du tube 32. Puis il commande un retour en arrière de la tige creuse 36 qui permet la fermeture des volets. Il commande également la sortie de la pince 26 hors du tube 32.After which the central processor commands a slight upward movement of the table 21 which causes the wire to come out entirely from the rod 36 and from the tube 32. Then it commands a backward movement of the hollow rod 36 which allows the shutters to be closed. It also controls the outlet of the clamp 26 from the tube 32.

L'ordinateur central recherche dans sa mémoire quelle est la borne ou l'alvéole dans lequel cette nouvelle pièce de connexion doit être engagée et il commande les déplacements de la table 21 pour amener celle-ci dans l'alignement de l'axe z zl et un nouveau cycle identique recommence jusqu'à ce que tous les fils du paquet de fils aient été connectés.The central computer searches its memory for the terminal or the cell in which this new connection part must be engaged and it controls the movements of the table 21 to bring it into alignment with the axis z zl and a new identical cycle starts again until all the wires in the wire bundle have been connected.

Selon une autre variante, les tubes 32 ainsi que les tiges creuses 36 peuvent être composées de deux demi-tubes ou demi-tiges séparées par un plan de joint longitudinal et vertical qui sont rapprochées l'une de l'autre lorsqu'on les pousse vers l'avant et qui s'écartent latéralement l'une de l'autre lorsqu'on les ramène vers l'arrière pour laisser passer le fil 20 qui est relié à la pièce de connexion 20a qui vient d'être enfichée sur une borne ou dans un alvéole.According to another variant, the tubes 32 as well as the hollow rods 36 can be composed of two half-tubes or half-rods separated by a longitudinal and vertical joint plane which are brought together when pushed. towards the front and which deviate laterally from each other when they are brought back to let the wire 20 pass which is connected to the connection piece 20a which has just been plugged into a terminal or in a cell.

Claims (10)

1. Procédé pour connecter mécaniquement sur chaque borne ou dans chaque alvéole d'un ou plusieurs composants électriques, une pièce de connexion (20a), sertie sur un fil faisant partie d'un lot de fils conducteurs (20), sur lesquels lesdites pièces de connexion sont serties, du type dans lequel on place un ou plusieurs composants électriques (28, 30), en regard d'une ou plusieurs pinces qui sont mobiles suivant un premier axe (z zl), qui est parallèle à l'axe desdites bornes ou desdits alvéoles, lesquelles pinces saisissent chacune un desdits fils (20) immédiatement à l'arrière de la pièce de connexion (20a) sertie sur celui-ci et par un déplacement relatif suivant deux autres axes perpendiculaires audit premier axe, on amène une ou plusieurs desdites bornes et/ou un ou plusieurs desdits alvéoles dans l'alignement de l'axe (z zl) d'une ou plusieurs desdites pinces, lequel procédé est caractérisé par les opérations suivantes :
- on engage à travers l'amas de fils (20) se trouvant devant lesdits composants un ou plusieurs tubes (32) creux et rigides, parallèles aux axes desdites bornes ou desdits alvéoles, lesquels tubes sont alignés chacun avec l'une desdites pinces, comportent chacun à l'extrémité avant une pointe (33) formée de plusieurs volets (35) qui peuvent être écartés l'un de l'autre et ont une extrémité arrière ouverte et l'on déplace chacun desdits tubes suivant l'axe (z zl) d'une desdites bornes ou de l'un desdits alvéoles placé dans l'alignement d'une desdites pinces jusqu'à ce que ladite pointe (33) se trouve à proximité de ladite borne ou dudit alvéole;
- on écarte lesdits volets;
- on engage axialement dans chaque tube l'une desdites pinces (26) enserrant un fil (20) jusqu'à ce que ladite pièce de connexion soit engagée sur ladite borne (29) ou dans ledit alvéole (31);
- on ouvre lesdites pinces (26);
- on retire lesdits tubes rigides (32) à l'extérieur de l'amas de fils;
- on sort les fils (20) à l'extérieur desdits tubes;
- on ferme lesdits volets (35);
- on retire axialement lesdites pinces (26) à l'extérieur desdits tubes (32);
- on déplace lesdits composants, lesdites pinces et lesdits tubes rigides d'un mouvement relatif pour amener d'autres bornes et/ou d'autres alvéoles dans l'alignement desdites pinces;
- et un nouveau cycle recommence.1. Method for mechanically connecting to each terminal or in each cell of one or more electrical components, a connection piece (20a), crimped onto a wire forming part of a batch of conductive wires (20), on which said pieces of connection are crimped, of the type in which one or more electrical components (28, 30) are placed, opposite one or more clamps which are movable along a first axis (z zl), which is parallel to the axis of said terminals or of said cells, which clamps each grip one of said wires (20) immediately behind the connection piece (20a) crimped thereon and by a relative displacement along two other axes perpendicular to said first axis, a or more of said terminals and / or one or more of said cells in alignment with the axis (z zl) of one or more of said clamps, which method is characterized by the following operations:
- one engages through the pile of wires (20) located in front of said components one or more hollow and rigid tubes (32), parallel to the axes of said terminals or said cells, which tubes are each aligned with one of said clamps, each have at the front end a point (33) formed by several flaps (35) which can be separated from one another and have an open rear end and each of said tubes is displaced along the axis (z zl) of one of said terminals or of one of said cells placed in alignment with one of said clamps until said point (33) is near said terminal or said cell;
- said flaps are removed;
- One axially engages in each tube one of said clamps (26) enclosing a wire (20) until said connection piece is engaged on said terminal (29) or in said cell (31);
- said clamps are opened (26);
- said rigid tubes (32) are removed outside the pile of wires;
- The wires (20) are taken outside of said tubes;
- said flaps (35) are closed;
- axially removing said clamps (26) outside of said tubes (32);
- Moving said components, said clamps and said rigid tubes of a relative movement to bring other terminals and / or other cells in alignment with said clamps;
- and a new cycle begins again. 2. Procédé selon la revendication 1, caractérisé en ce que l'on fait vibrer lesdits tubes rigides (32) pendant qu'on les engage à travers l'amas de fils afin de faciliter la pénétration desdits tubes à travers ledit amas.2. Method according to claim 1, characterized in that the said rigid tubes (32) are made to vibrate while they are engaged through the pile of wires in order to facilitate the penetration of the said tubes through the said pile. 3. Procédé selon l'une quelconque des revendications 1 et 2, caractérisé en ce que lesdits volets (35) se rabattent automatiquement vers l'axe (z zl) et on les écarte en engageant axialement dans chaque tube rigide, une tige (36) creuse et rigide qui repousse lesdits volets puis en engageant axialement une desdites pinces (26) dans chacune desdites tiges creuses.3. Method according to any one of claims 1 and 2, characterized in that said flaps (35) automatically fold back towards the axis (z zl) and are separated by axially engaging in each rigid tube, a rod (36 ) hollow and rigid which pushes said flaps and then axially engaging one of said clamps (26) in each of said hollow rods. 4. Dispositif pour connecter mécaniquement sur chaque borne ou dans chaque alvéole d'un ou plusieurs composants électriques une pièce de connexion (20a) sertie sur un fil conducteur (20) faisant partie d'un lot de fils sortant d'un robot de câblage du type comportant un support qui porte un ou plusieurs composants électriques et un bras ou chariot mobile (19) qui porte une ou plusieurs pinces qui saisissent chacune un des fils conducteurs (20) immédiatement à l'arrière d'une pièce de connexion (20a) sertie sur celui-ci, lequel support et lequel bras ou chariot sont déplaçables l'un par rapport à l'autre, suivant trois axes dont l'un est parallèle aux axes desdites bornes ou alvéoles, caractérisé en ce qu'il comporte une tête (34), montée sur ledit bras ou chariot mobile (19) qui porte un ou plusieurs tubes creux et rigides (32), lesquels tubes sont parallèles entre eux et à l'axe desdites bornes et/ou desdits alvéoles et chacun des tubes est coaxial avec l'une desdites pinces, il comporte à son extrémité avant une pointe (33) formée de plusieurs volets pouvant être écartés l'un de l'autre et il a une extrémité arrière ouverte.4. Device for mechanically connecting to each terminal or in each cell of one or more electrical components a connection piece (20a) crimped onto a conductive wire (20) forming part of a batch of wires emerging from a wiring robot of the type comprising a support which carries one or more electrical components and a mobile arm or carriage (19) which carries one or more clamps which each grip one of the conductive wires (20) immediately behind a connection piece (20a ) crimped thereon, which support and which arm or carriage are movable relative to each other, along three axes, one of which is parallel to the axes of said terminals or cells, characterized in that it comprises a head (34), mounted on said arm or mobile carriage (19) which carries one or more hollow and rigid tubes (32), which tubes are mutually parallel and to the axis of said terminals and / or said cells and each of the tubes is coaxial with one of said clamps, it composes rte at its front end a tip (33) formed of several flaps which can be separated from one another and it has an open rear end. 5. Dispositif suivant la revendication 4, caractérisé en ce que ladite tête (34) est vibrante.5. Device according to claim 4, characterized in that said head (34) is vibrating. 6. Dispositif selon l'une quelconque des revendications 3 et 4, caractérisé en ce que lesdits volets (35) sont rabattables automatiquement vers l'axe (z zl) dans la position où ladite pointe est fermée et ladite tête porte, en outre, une ou plusieurs tiges rigides et creuses (36) et des moyens pour engager chacune de celles-ci axialement dans l'un desdits tubes rigides (32) afin de repousser lesdits volets.6. Device according to any one of claims 3 and 4, characterized in that said flaps (35) are foldable automatically towards the axis (z zl) in the position where said tip is closed and said head carries, in addition, one or more rods rigid and hollow (36) and means for engaging each of these axially in one of said rigid tubes (32) in order to push said flaps. 7. Dispositif selon la revendication 4, caractérisé en ce que chacun desdits tubes (32) comporte une fente longitudinale (40) qui s'étend sur toute sa longueur et dont la largeur est supérieure au diamètre desdits fils (20).7. Device according to claim 4, characterized in that each of said tubes (32) has a longitudinal slot (40) which extends over its entire length and whose width is greater than the diameter of said son (20). 8. Dispositif selon la revendication 7, caractérisé en ce que ladite fente longitudinale se trouve à la partie inférieure dudit tube et comporte, à sont extrémité arrière, une échancrure (41) évasée vers l'extérieur.8. Device according to claim 7, characterized in that said longitudinal slot is located at the lower part of said tube and comprises, at its rear end, a notch (41) flared outward. 9. Dispositif selon la revendication 6, caractérisé en ce que chacune desdites tiges rigides et creuses comporte, le long de sa génératrice inférieure, une fente longitudinale s'étendant sur toute sa longueur.9. Device according to claim 6, characterized in that each of said rigid and hollow rods comprises, along its lower generatrix, a longitudinal slot extending over its entire length. 10. Dispositif selon l'une quelconque des revendications 4 à 6, caractérisé en ce que chacun desdits tubes rigides (32) et chacune desdites tiges creuses (36) est composé de deux demi-tubes ou demi-tiges séparées par un plan de joint vertical et longitudinal qui sont appliquées l'une contre l'autre lorsqu'on les pousse vers l'avant et qui s'écartent l'une de l'autre lorsqu'on les ramène vers l'arrière.10. Device according to any one of claims 4 to 6, characterized in that each of said rigid tubes (32) and each of said hollow rods (36) is composed of two half-tubes or half-rods separated by a joint plane vertical and longitudinal which are applied against each other when pushed forward and which move away from each other when brought back.
EP88430018A 1987-07-17 1988-07-15 Process and devices to mechanically connect to each pin or insert in each socket of electrical components a connecting piece which forms part of a plurality of conductors equipped with such pieces Withdrawn EP0299897A1 (en)

Applications Claiming Priority (2)

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FR8710338 1987-07-17
FR8710338A FR2618286B1 (en) 1987-07-17 1987-07-17 METHODS AND DEVICES FOR MECHANICALLY CONNECTING TO EACH TERMINAL OR EACH SOCKET OF ELECTRICAL COMPONENTS, A CONNECTING PART PART OF A LOT OF CONDUCTIVE WIRES EQUIPPED WITH SUCH PARTS.

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EP (1) EP0299897A1 (en)
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WO1990001818A2 (en) * 1988-08-09 1990-02-22 Merz Metall- Und Kunststoffverarbeitungs Gmbh Device for introducing contacts into connector shells
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EP0534822B1 (en) * 1991-09-26 1996-01-03 AEROSPATIALE Société Nationale Industrielle Device and machine for inserting connection elements into connectors
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FR2618286B1 (en) 1989-12-15
CA1322100C (en) 1993-09-14
FR2618286A1 (en) 1989-01-20
US4864718A (en) 1989-09-12
JPS6435886A (en) 1989-02-06

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