EP0694224B1 - Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques - Google Patents

Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques Download PDF

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Publication number
EP0694224B1
EP0694224B1 EP92912767A EP92912767A EP0694224B1 EP 0694224 B1 EP0694224 B1 EP 0694224B1 EP 92912767 A EP92912767 A EP 92912767A EP 92912767 A EP92912767 A EP 92912767A EP 0694224 B1 EP0694224 B1 EP 0694224B1
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EP
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Prior art keywords
component
wire
axis
components
support
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EP92912767A
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German (de)
English (en)
French (fr)
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EP0694224A1 (fr
Inventor
Jean-Paul Celoudoux
Michel Verhille
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Whitaker LLC
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Whitaker LLC
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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
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the present invention relates to a method (claim 9) and a device for inserting wire ends into components (claim 1) and a device for manufacturing electrical harnesses (claim 8).
  • the technical field is that of the manufacture of electrical harnesses.
  • the present invention relates more particularly to the automatic manufacture of simple electrical harnesses; by simple electrical bundles is meant electrical bundles comprising of the order of ten electrical components of different types on which ends of electrical wires are inserted, and comprising at most about twenty components per bundle; moreover, the present invention applies more particularly to bundles provided with electrical components which are each provided with a relatively limited number of cells, and more particularly to bundles comprising components whose cells are located on less than three linear rows .
  • Patent application FR 2 636 494 (RICARD), which is considered to be the closest state of the art, describes methods and devices for inserting ends of electric wires into components.
  • the components are fixed on a pallet which can move along two rectangular axes.
  • An insertion head placed opposite the pallet, grasps insertion clips in which the ends of the wires are held, which insertion clips are adapted to the shape of the terminal crimped at the end of the wire.
  • Patent application EP 302 804 (RICARD) describes methods and devices for crimping ends of wires on connections; according to this document, the ends of wires held by clamps conveyed by conveyors aligned with respect to each other are transferred from a first conveyor to the second conveyor by a manipulator provided with at least one clamp.
  • Patent application EP 305 307 (Automatism and Applied Robotics) describes clamps fitted to conveyors of automatic wiring machines and intended to hold one or more wires; the clamps include in particular two pairs of spouts separated by an intermediate space, in which there is a piston pushed towards the end of the clamp by a spring.
  • the general problem posed is to provide a method of manufacturing electrical harnesses and its implementation device which make it possible to manufacture harnesses from sections of wires whose ends have been previously prepared and / or stripped.
  • the problem posed is more particularly to provide a method and a device for manufacturing beams which are capable of delivering complete beams and therefore which are capable of ensuring rapid manipulation of the beam which has just been assembled or manufactured from the sections. of wires and components, which also allow rapid insertion of the ends of wires into the cells of the components.
  • the problem posed is also to provide simple devices making it possible to achieve high production rates for beams.
  • the problem also consists in providing methods and devices which allow the manipulation of the beams during manufacture and after their manufacture, up to stations where the complete bundles can be ligated and evacuated for use.
  • the solution to the problem posed consists in providing a device for inserting ends of sections of wire, into cells of components, characterized in that it comprises means for relative displacement of said components relative to said ends of said wires which are held by so-called wedding pliers, according to a curvilinear trajectory situated in a plane containing the axis along which extends the end of said wire.
  • said curvilinear trajectory is substantially constituted by an arc of a circle of radius R1 located in a vertical plane containing the axis ZZ70 along which extends the end of said wire held by the jaws of said wedding pliers.
  • said means of relative displacement of components with respect to said ends of said wires comprise means of displacement of components such that during said displacement of said component according to said trajectory, said component remains parallel to itself (to a fixed direction).
  • the device comprises an insertion template specific to a type of predetermined component, which comprises on at least one lateral face at least one end guide allowing the guide and the entry into a cell of said component from said end. of wire, which insertion template comprises a movable shelf along a vertical axis YY5, on which said component can be placed, and comprises at least one compression spring having for said axis of thrust said vertical axis YY5, and comprises a linear cylinder of clamping of said component on said insertion template.
  • said component displacement means comprise a substantially horizontal movable table which is connected to a substantially horizontal fixed table by means of two parallel rods and each provided with articulation separated by a distance equal to the value of said radius, so to form (in side view) a deformable parallelogram.
  • said insertion template and said linear clamping cylinder are mounted on an intermediate support which can rotate along a substantially vertical axis YY5, relative to said movable table.
  • components of predetermined type can be transported to said insertion template, by means of a feed guide which extends along a substantially horizontal axis ZZ61, and by means of a means (such as a jack). power supply and movable component retaining means.
  • said end guide comprises at least one guide face which is inclined at an angle r relative to said axis ZZ70, the value of which is less than 45 degrees and preferably less than or equal to 30 degrees.
  • said end of said wire is brought into substantial contact with a central region (a central point) of said guide face when a point linked to the component reaches the apogee of said curvilinear trajectory, and then continues said insertion movement along said curvilinear trajectory.
  • the solution to the problem also consists in providing a device for manufacturing electrical harnesses comprising a first substantially horizontal linear conveyor with a longitudinal axis (XX1), which can move transfer clamps, each pair of said adjacent transfer clamps being able to hold a section. of wire, which device comprises a second substantially horizontal linear conveyor which can move holding clamps, and comprising at least two wedding clamps which can each extract from said transfer clamps and holding clamps and introduce into said holding clamps at least one end of said wires, which wedding pliers can move on an axis guide (XX4) for manufacturing electrical harnesses comprises an insertion device according to any one of claims 1 to 7 and said curvilinear trajectory is contained in a plane substantially perpendicular to said longitudinal axis.
  • the device comprises at least one end grouping clamp which comprises at least one scanning arm, which grouping clamp can move on said guide independently of the movement on said guide of said wedding pliers.
  • said means of relative displacement along said curvilinear trajectory it is very simple and with the same means on the one hand to achieve the alignment of the end of the wire to be inserted with the cell to receive said end of wire, at the end of said curvilinear path of insertion, and on the other hand make a shift for example along a vertical axis, between the axis of said end of wire and the axis of said cell to receive said end of wire, at a point of the trajectory corresponding to the start of the actual insertion operation, that is to say at the contact between said end and the front part of said cell or preferably an insertion guide placed in front of said cell and which makes it possible to guide said end towards said cell; said curvilinear trajectory thus makes it possible to automatically pass from said offset position corresponding to the point of contact between said end and said guide to said aligned position corresponding to the point of the trajectory in which said end has been completely inserted into said cell.
  • One of the important advantages procured by the invention is that it makes it possible to have a device for inserting ends into cells which is very compact and which integrates the mechanisms necessary for the component insertion movement, the clamping mechanism of the component during the insertion operations, positioning mechanisms according to a predetermined position, thanks to templates adapted to each type of component, as well as devices for guiding the ends of the wires during the actual insertion phase in the cells of the components, and finally means allowing the evacuation of the component after it has been provided with all the ends to be inserted into its cells.
  • one of said components comprises said cells to receive said ends which are arranged on different faces of said component
  • said intermediate support which is rotatably mounted relative to said movable table, ends can be inserted on said component on many of its faces.
  • the methods and devices according to the invention make it possible to carry out, in a limited space situated along a conveyor for moving the end of a section of wire, the various operations of inserting the ends of the wire into cells of electrical components, and this at a very fast rate.
  • Figure 1 schematically shows in plan view the main components of a device for manufacturing electrical harnesses according to the invention.
  • Figure 2 shows in longitudinal side view the main components of an electrical harness assembly station according to the invention.
  • FIG. 3 schematically represents in plan view the main components of an electrical harness assembly station according to the invention.
  • FIGS. 4a to 4g represent in transverse view a device for inserting ends of wires on components according to the invention and illustrate the main operations of an insertion method according to the invention.
  • FIGS. 5a to 5f schematically illustrate in plan view the main operations of a method of manufacturing electrical harnesses according to the invention.
  • Figures 6, 7a to 7c and 8a to 8c illustrate a grouping pliers of a device for manufacturing electrical harnesses according to the invention.
  • Figures 9 to 13 illustrate a particular embodiment of wedding pliers of a device according to the invention.
  • FIG. 14 illustrates in transverse view an embodiment of means for evacuating transfer clamps from a device for manufacturing electrical harnesses according to the invention.
  • FIGS. 15a and 15b illustrate in transverse view an embodiment of means for vertical positioning of wire ends of a device for manufacturing electrical harnesses according to the invention.
  • Figures 16 and 17 illustrate a particular embodiment of an insertion device.
  • FIGS. 18a to 18d illustrate operations of a method for inserting ends of wires in cells of components according to the invention.
  • a device for manufacturing electrical harnesses comprises at least a first conveyor 1 which extends along a longitudinal axis XX1, at least a second conveyor 2 which extends in the extension of said first conveyor 1, and preferably comprises at least a fourth conveyor 80 which extends in the extension of said second conveyor 2;
  • a device for manufacturing electrical harnesses advantageously comprises means 71 for storing electrical wires which may include several coils 71a on which are wound electrical wires which may be of different sizes and types; the electric wire supplied on each of said coils can be directed to a station 73 for selecting types of wires and for cutting electric wires into sections, by means of a guide 72 at least; downstream of said device 73 for selecting and cutting said sections, said sections of wires 5 can be conveyed on said first conveyor 1 by transfer clamps (not shown) so that said ends of said sections of wires can successively move in front of stations 74 for preparing said ends, such as stripping stations for said ends and
  • said device comprises means 35 for vertical positioning of said ends of said sections of wire, and then comprises, in said direction of movement, means 78 for evacuating said transfer clamps on a third conveyor (not shown); it can be seen that said sections of wires which have been previously prepared and / or stripped on said stripping stations 74 then arrive in an assembly area 77 of said sections of wires with components (not shown) in order to form said electrical harnesses; it can be seen that said assembly station comprises said second conveyor 2, and comprises means 79 for supplying components, which extend substantially perpendicular to said longitudinal axis XX1 of said device for manufacturing electrical harnesses, which means 79 for supplying components can be supplied by component stores 76, each of said stores being filled with a predetermined type of component, and via vibrating bowls 75 for example which can place said components in a predetermined position on said means
  • Figure 2 which is a view along II-II of Figure 1, there is shown a preferred embodiment of an electrical harness assembly station according to the invention.
  • the device comprises said first conveyor 1 which conveys said transfer clamps 4 1 , 4 2 , each pair of said adjacent transfer clamps 4 1 , 4 2 carrying one of said sections of wires 5, which is held by the jaws of said transfer clamps.
  • said transfer clamps are the clamps described in application EP 305 307.
  • said first conveyor 1 extends along a substantially horizontal longitudinal axis XX1 and that a second linear conveyor 2 extends in the extension of said first conveyor and can convey clamps 6 for holding one or more ends of said sections son;
  • said electrical harness assembly station comprises two marriage clamps 7 which extend along vertical axes YY1 and YY2 respectively and which can move along a horizontal axis XX4 parallel to XX1 thanks to a rail or support 9 which extends substantially over the entire length of said assembly station 77;
  • said components 54 which are delivered by said supply means (not shown) can be arranged near said second conveyor so that at least one of their faces comprising said cells 54a into which must be inserted said ends of said sections of wires, ie opposite said ends of said sections of wires, each component of predetermined type forming part of said electrical harnesses being disposed on a movable insertion support 51 (schematically represented in this figure).
  • said cells 54a of all of said components used for the manufacture of electrical harnesses of a predetermined type are situated substantially at the same height, along an axis XX2 situated at a height known as insertion height relative to said XX1 for example, predetermined.
  • the device for manufacturing electrical harnesses and more particularly said assembly station 77 comprises at least one grouping clamp 8 which extends along a general vertical axis YY3 and which can move on said horizontal guide or rail 9, independently of the movement said wedding pliers 7.
  • said grouping clamp 8 is provided with a scanning arm 10, the lower end of which is provided with jaws which are situated at said insertion height, which corresponds substantially to said horizontal axis XX2, so that during displacement horizontal of said grouping clamp 8, said jaw located at the lower end of said scanning arm 10 moves substantially on said axis XX2, ie at said insertion height and can thus bring together or group together said ends of wires which have been previously inserted into said cells of one of said components.
  • the device advantageously comprises means 78 for evacuating said transfer clamps 4 from said first conveyor 1 onto a third conveyor 13 which is preferably a substantially horizontal linear conveyor located under said first conveyor 1.
  • FIG. 3 which is a diagrammatic plan view of an electrical harness assembly station 77, it can be seen that said electrical harness manufacturing device successively comprises along the direction of movement along arrow F of the sections of electric wires and of the bundles of electric wires, said first conveyor 1 which conveys said transfer clamps 4 on which the ends of said sections of wires 5 are held, said means 35 for vertical positioning of two ends of wires of a section of wires held by those of said transfer clamps located furthest downstream from the device, comprises said second conveyor located in the extension of said first conveyor which conveys said holding clamps 6, comprises said wedding clamps 7 which each have four jaws which are respectively represented in this figure by a hook ([or]) and comprises at least one grouping clamp 8 which comprises said scanning arm 10, an internal articulated arm 11, and two external articulated arms 12 which are schematically represented in this figure in the form of V ( ⁇ or>).
  • said first conveyor 1 which conveys said transfer clamps 4 on which the ends of said sections of wires 5 are held
  • each of said means for supplying components 79 which can convey components of predetermined type, a supply means 79 being provided for each type of different component, is provided at its end located near said second conveyor of a movable insertion support 51 on which a component respectively 54 1 , 54 2 , 54 3 , 54 4 can be disposed; it can be seen in this figure that all of said ends of said sections of wires are situated on the same side of said first and second conveyors, and that said movable insertion supports situated at the ends of said component supply means are situated on the same side of said conveyors as said wire ends.
  • Said grouping clamp comprises two arms 10, 11 situated on the same side of said second conveyor as said ends of said sections of wires and comprises two arms 12 situated on the other side of said second conveyor and more precisely situated on the other side of said clamps maintenance 6; in order to differentiate in this document said arms of said clamps located for some on the same side of said clamps (holding 6 or transfer) as said ends and for others on the opposite side of said clamps, the internal term has been adopted for arms located on the same side of said pliers as said wire ends and the external term to designate the arms located on the side opposite said wire ends with respect to said pliers and more generally with respect to said longitudinal axis XX1; we see also in this figure that two sections of wires 5 1 and 5 2 are located in said area for assembling electrical harnesses, each of said sections of wires having one end which has been inserted into a cell of said component 54 1 , said section 5 1 comprising a second non-inserted end which is held in one of said retaining clips 6 and said section of wire 52 having a second
  • FIG 4a there is shown in transverse view of the insertion means according to the invention as well as the schematic silhouette of a holding clamp 6 carried by said second conveyor 2 which extends along said axis XX1; it can be seen that in this embodiment, said second conveyor 2 comprises a support in the form of a profile 15 and that said holding clamps are advantageously identical to said transfer clamps (not shown) and are advantageously as described in EP 305 307; we see that said clamps 6 have in their upper part jaws 6a which can hold said ends of said sections of son and which are mounted on a body of pliers 6b, which body of pliers is itself mounted on a base 6c which can slide in said profile 15, which body of clamps 6b is also provided with lateral notches 6d which allow in particular the locking in position of said holding clamp 6 on said support profile 15 of said second conveyor 2; said insertion means essentially comprise a mobile insertion support 51 which is mounted on a mobile table 62, which mobile support 51 is provided with a mobile shelf 53 on which can be
  • Said insertion support 51 has lateral faces 46 and a lower base 47, and constitutes substantially a hollow body with inside of which is located a compression spring 52, which bears on said base 47 and which supports said movable shelf 53 which can thus move inside said body of said movable support 51 along a substantially vertical axis YY4; it can be seen that above said movable shelf 53 of said insertion support 51 is provided at the end of the rod of a clamping cylinder 56, a pusher 45, which clamping cylinder 56 is of the linear cylinder type, for example pneumatic, and can cause said pusher 45 to move along said vertical axis YY4 said clamping cylinder 56 is held by a support or bracket 57 which is fixed to said movable table 62.
  • a component supply cylinder 59 provided with a rod at the end of which a pusher 59a is placed, can push one or more of said components 54 by means of said pusher 59a, the row of said components 54 located on said means supply 79 being retained at its end located near said mobile insertion support, by a stop 55 mounted at the end of a jack 58 of mobile stop.
  • Said substantially horizontal supply means 79 which extend along an axis ZZ61 and said jack 59 are held by a substantially vertical support 60 which is itself fixed on a fixed table 69 substantially horizontal; it can be seen that said movable table 62 can move relative to said fixed table 69 by virtue of articulated arms or links 63 1 , 63 2 , provided respectively at their ends with articulations 64 1 , 65 1 , 64 2 , 65 2 , relative to said movable table and said fixed table respectively, which links or articulated arms 63 are substantially the same length, which articulations allow rotation about an axis perpendicular to the plane of the figure of said links or arms relative to said tables so that the 'assembly formed by said rods and said tables constitutes (in this side view) a deformable parallelogram; we also see that one of said rods 632 is connected at a point 66 of articulation, to the rod of an insertion cylinder 67 whose body is fixed at an articulated point 68 along an axis
  • FIG. 4a illustrates said insertion device comprising said mobile insertion support 51 in a position in which no component is disposed on said mobile insertion support.
  • FIG. 4b illustrates the operation in which the component 54 1 located at the end of the row of components located on said supply means is placed, which is slid to the top of said movable shelf 53 of said mobile insertion device, which mobile tablet is advantageously located in the extension of said feeding guide; we see that said component 54 1 is retained by said stopper linked to said movable stopper cylinder, and that the row of said components can move along arrow F1 on said feed guide thanks to said feed cylinder 59 provided with said pusher.
  • FIG. 4c which illustrates the following operation
  • said clamping cylinder 56 is actuated and consecutively said pusher which it drives moves according to arrow F2 driving said component placed on said mobile tablet 53 and driving said mobile tablet, which causes said spring 52 to be crushed to a predetermined position
  • said predetermined position is such that said cells of said component held on said movable shelf are positioned, when said component reaches the apogee of said curvilinear insertion path, at said insertion height
  • said mobile insertion support the shape of which is adapted to the external shape of said component, allows the vertical sliding thereof, and said lateral faces of said mobile insertion support guide said component during said movement according to said arrow F2.
  • Said predetermined position for clamping said component on said movable shelf of said movable insertion support is such that the cells of said component are located above the upper part of said retaining clips.
  • one of said wedding clips 7 (partially and schematically shown) is arranged opposite said insertion device, which wedding clip holds an end 70 previously prepared with a wire section 5, by its jaws 30; following the clamping of said component on said mobile shelf of said mobile insertion support, said movable stop 55 is animated by a movement according to arrow F3 by means of return provided in said movable stop cylinder so as to come into contact with the front part of the first next component placed in said row of components located on said feeding means; during this phase, said pusher of said supply cylinder can return to its initial position according to a movement identified by arrow F4.
  • Said trajectory comprises an ascending phase then a descending phase, at the end of which said end of said section held by said marriage clamp is inserted into the cell of said component 54 clamped on said movable support 51.
  • said end 70 of said section of wire 5 which has been inserted into said component 54 then remains suspended by said end from said component, and said insertion cylinder performs a movement according to arrow F6 so as to move back (relative to said second conveyor) said movable insertion support and allow the arrival of another end carried by one of said wedding pliers (not shown in this figure), until said component 54 placed on said support insertion mobile is provided with all the ends to be inserted thereon.
  • FIG. 4g the operation is illustrated according to the phase illustrated in FIG. 4f 1 in which a component has been provided with all the ends to be inserted in its cells; it can be seen that said component 54 remains suspended from said ends of wires which have been inserted into its cells, which ends are held by said grouping clamp 8, which can then move on said guide (reference 9 in FIG.
  • FIGS. 5a to 5f show in plan view operations substantially similar to those represented in FIGS. 4a to 4g, very schematically, which show the manner of make a beam using the device and method according to the invention.
  • FIG. 5a which is substantially identical to FIG. 3, we find said means 35 for vertical positioning of the ends of sections of wires held in said transfer grippers 4 disposed on said first conveyor 1, said means 78 for discharging said grippers. transfer of said first conveyor to a third conveyor (not shown) and said retaining clips 6 disposed on said second conveyor 2 located in the extension of said first conveyor; it is also seen that four components supply devices are provided which each have rows of identical components, a component supply device being provided for each different type of said components; advantageously, said insertion devices, shown in Figures 4a to 4g and not shown in Figures 5a to 5f for reasons of clarity, are substantially identical and extend along substantially parallel axes which are preferably regularly spaced and the closest possible for example of the order of a hundred millimeters; in this way it is possible in the case of simple bundles which require only a maximum of ten or twenty components of different types, to have ten or twenty substantially identical insertion devices in a linear space requirement (relative to the direction of movement of said sections of wires
  • FIG. 5a It can be seen in FIG. 5a that a first section of wire 5 1 has been gripped by two of said wedding pliers 7, each of said wedding pliers comprising four jaws 30 which are symbolized in these figures each by a hook.
  • each of the two ends of said section of wire 5 1 is held by four jaws of one of said wedding pliers, two internal jaws and two external jaws; in this way, one end can be inserted according to the method illustrated in FIGS. 4a to 4g on a first component 54 1 and the second end can be inserted on a second component 54 2 placed on another insertion device.
  • said section of wire Following the insertion of said ends of said section of wire 5 1 , said section of wire remains suspended by its ends at said components 54 1 and 54 2 and as shown in FIG. 5b, said two wedding pliers will grip the section of next wire located furthest downstream from said first conveyor and transports it until it has one end of said second section of wire 5 2 , one facing a cell of said component 54 1 , and the other end facing a cell of a third component 54 3 disposed on a third insertion device.
  • said grouping clamp (whose scanning and articulated arms are represented diagrammatically in the form of a V) was able to grasp said ends which had been inserted in said component 54 2 which was complete , which component 54 2 remains suspended from said ends which have been inserted into these cells, and said ends can be introduced into one of said holding clamps marked 64 by said grouping clamp; we see in this figure that simultaneously, said two wedding pliers were able to grasp a fourth section of wire 54, one of said wedding pliers (on the left in the figure) introducing one of said ends of said section of wire 54 into the one of said retaining clamps marked 6 2 in the figure, and the second of said wedding pliers (on the right in the figure) allowing the insertion of the second end of said section 54 into a cell of said component 54 3 .
  • said grouping clamp was able to grasp said ends which had been inserted into said component 54 3 , which component 54 3 has been detached from said mobile insertion support and is transported suspended at said ends of wires, by said grouping clamp which positions and introduces all of said ends into one of said holding clamps marked 6 3 ; simultaneously, said wedding pliers were able to grasp a fifth section of wire marked 5 5 , introduce one of said ends of said section of wire 5 5 into said holding clip marked 6 2 , and position the second end of said section of wire 5 5 in the alignment of a cell of a fourth component 54 4 disposed on a fourth movable insertion support and supplied by a fourth means for supplying components.
  • FIG. 5f it can be seen that in the last operation of said method, said grouping pliers were able to grip said end of said section of wire 5 5 which had been inserted in said component 54 4 , which component 54 4 was unclamped from said movable support d 'insertion, which grouping clamp was able to position and introduce said ends into one of said holding clamp marked 6 1 on said second conveyor; it can also be seen that during the operations illustrated in FIGS. 5a to 5f, said second conveyor has caused said holding clamps to advance, so that in FIG.
  • a complete bundle formed is placed in said holding clamps marked 6 1 , 6 2 , 6 3 , 6 4 and 6 5 of said second conveyor and that consecutively, said wedding pliers went to seize a new first section of wire 5 1 so as to resume the operations of continuous manufacture of a second bundle identical to the beam which has just been completed, as shown in FIG. 5a.
  • Figure 6 is a transverse side view of a grouping clamp according to the invention, that is to say a view in a direction parallel to said longitudinal axis XX1 of said first and second conveyors.
  • FIG. 6 shows a grouping clamp which comprises on the one hand said scanning arm 10 and said internal articulated arm 11 and on the other hand said external articulated arms 12; said internal articulated arm and said sweeping arm on the one hand and said external articulated arms on the other hand are separated by a space of width L1 which is slightly greater than the width L2 of the upper part of the jaws of said holding clamps 6; this arrangement also allows, thanks to a centering in the plane of FIG.
  • Said internal articulated arm 11 can be actuated by a first linear cylinder 20 which acts by means of a rod 20a, a yoke 20b, and a link 23, said internal arm being articulated so as to rotate around an articulation axis ZZ3 which is preferably common to said internal articulated arm and to said external articulated arms; it can be seen that in the same way said external articulated arms can be actuated by a second linear jack 21, by means of a jack rod 21a, a yoke 21b, a lifting beam 22 and rods 23.
  • said grouping clamp comprises a body 19 forming a support for said first and second linear actuators and for said axis of articulation ZZ3.
  • FIG. 7a which is a partial section along VII-VII of FIG. 6, in which said grouping clamp is shown when said internal articulated arm is in the closed position, without one end of the wire being held by said grouping clamp , it can be seen that said scanning arm 10 which is rigidly mounted with respect to said support or clamp body 19 advantageously comprises a protruding stop 18a situated substantially on the main vertical axis YY3 of said regrouping clamp, which axis YY3 intersects said axis d 'ZZ3 articulation of said articulated arms; said internal articulated arm 11 as well as said scanning arm 10 have at their lower ends a jaw 25, the jaw of said arm scanning and the jaw of said internal articulated arm being able to partially cross when said arms are in the position where the clamp is closed; it can also be seen that in this position of said internal articulated arm, the latter comes into abutment on said abutment 18a arranged on said fixed scanning arm.
  • FIG 7b which is a partial sectional view along VII-VII of Figure 6, where said grouping clamp is illustrated when said internal articulated arm is in the open position
  • said internal arm 11 can rotate around said axis ZZ3 under the action of said first linear cylinder 20 and said rod 23; it can also be seen that the lower end of said internal articulated arm 11 and of said scanning arm 10 comprises said jaw 25 which is provided with a V-shaped notch whose internal edges 25a form an angle a which is advantageously close to 90 degrees ;
  • the bottom 25d of said V of said jaw of said scanning arm can, when said scanning arm and said grouping clamp move along said guide (reference 9 in FIG. 2) along an axis parallel to said longitudinal axis of said conveyors, move along a axis XX5 which is advantageously located at said insertion height, so as to group said ends of wires in said V of said jaw of said scanning arm.
  • FIG. 7c is a view similar to that of FIG. 7b in which said grouping clamp and more particularly said internal articulated arm is shown in a position where it is closed on a set of ends of sections of wires 5 which have been grouped together and thus form a kind of strand, thanks to the particular shape of said jaws of said scanning arms and internal articulated arm 11; said internal articulated arm 11 has been closed by the action of said first linear cylinder 20, which pushes down said rod 20a which drives in translation said yoke 20b fixed to the end of said rod, said internal articulated arm rotating around said axis ZZ3 under the effect of the movement of said linear actuator 20, thanks to a link 23 which is mounted free in rotation relative to said internal articulated arm on the one hand (at one of its ends) and to said clevis on the other hand (by its second end).
  • said internal articulated arm 11 makes a general angle ⁇ with the vertical, due to the presence between said jaws of said arm internal articulated and of said scanning arm, of said ends of said sections of wires 5.
  • said linear cylinder comprises a force limiting device which is capable of limiting said stroke of said cylinder when said ends are located between said jaws, and require a partial stroke (an opening stroke less than that shown in FIG. 7a) due to the presence of said ends.
  • said grouping clamp comprises said second linear jack 21 which extends along an axis YY32 which is provided with a rod provided with its end of a yoke, which yoke drives said links 23, which are articulated at one end to said external articulated arms and which are articulated at their other end on said spreader 22 which is itself free to rotate relative to said yoke, around an axis ZZ20; we see in this figure which illustrates said external articulated arms in the closed position, without any end of wire being grasped by said arms, that said arms 12a and 12b partially overlap by their lower end, that is to say by their said bit.
  • FIG. 8b which is a view substantially identical to FIG. 8a, in which said external articulated arms are in the open position
  • said articulation axis ZZ20 of said lifter 22 relative to said clevis 21b fixed to the end of the rod of said second linear jack 21 and offset in the plane of the figure relative to said general vertical axis YY3 of said clamp, (which axis YY3 intersects said axis ZZ3 of articulation of said arms), by a value ⁇ which is advantageously low by example of the order of a few millimeters
  • said external articulated arms, under the action of said second linear jack 21, when said clamp is closed will respectively follow respective paths T2 and T3 substantially circular having as their center the trace in the plane of the figure of said axis of articulation ZZ3 , so as to group together the ends of the wires situated on the so-called external side with respect to said holding clips (not shown);
  • said body of pliers 19 also includes a stop
  • a marriage pliers according to the invention is shown substantially in transverse view which can move according to said guide or shaft 9, which can for example be of circular section, by means of a sliding means on said guide such as a ball bushing for example, which wedding clip comprises a support or body 34 on which is mounted a vertical displacement cylinder 33; said vertical displacement cylinder 33 allows the displacement with respect to said body or support 34 of said marriage clamp, of an assembly comprising a cylinder 32 for actuating jaws 30 1 and 30 2 , and simultaneously causes a vertical displacement of the movable flange 28 with respect to said body 34 provided with flanges 34a connected by spacers 26.
  • said internal jaws 30 2 and external jaws 30 1 of said marriage clamp are distant so as to allow the introduction of the wires held by said jaws of said wedding pliers in the jaws of one of said holding pliers (not shown).
  • said internal jaws 30 2 have, at their lateral lower ends, extensions 30a which make it possible to grip said end of wires held by said wedding pliers. over a certain length, so as to hold said sections of wire as close as possible to their said ends, which ensures correct holding of said end of said wire, which is necessary during said operations of inserting said end into a component cell.
  • a means 32e for supplying compressed air to said jack 32 of jaws which is for example pneumatic.
  • FIG. 11 which is a view along XI-XI of FIG. 9, it can be seen that said assembly constituted by said jack 32, said jaws can move thanks to said clamp support and to said fixed flanges 29 thanks to a raceway 27 which can be provided in said fixed flanges 29, so as to allow the displacement of said assembly by means of ball bearings 32c for example mounted on portions of axis 32b rigidly connected to said movable assembly comprising said cylinder 32; it can also be seen that said jaw jack 32 can cause, via a rod 32d and a yoke (item 41c in FIG.
  • said first conveyor 1 comprises a support 15 such as a profile, for example metallic, which comprises on one of its upper lateral faces (top right in the figure) a rib 16 in relief, of substantially triangular profile, which can cooperate with a hollow rib 17 provided in the lower part of the body of said transfer clamp 4, which transfer clamp 4 can slide between said upper lateral wings of said profile 15 by its base 4a.
  • a support 15 such as a profile, for example metallic, which comprises on one of its upper lateral faces (top right in the figure) a rib 16 in relief, of substantially triangular profile, which can cooperate with a hollow rib 17 provided in the lower part of the body of said transfer clamp 4, which transfer clamp 4 can slide between said upper lateral wings of said profile 15 by its base 4a.
  • said third conveyor 13 also includes a support 15 in the form of a profile which is advantageously identical to the section 15 of said first conveyor and which is mounted in an inverted position and which allows the evacuation of said transfer clamps 4; it can be seen that said means for evacuating transfer clamps also called an elevator comprise means 83 for vertically guiding a carriage 84 which constitutes the elevator proper, and which can be moved by means of a vertical translation cylinder 81 located at the base of a fixed structure rigidly connected to the rigid table 69.
  • the transfer gripper evacuation device also comprises two pusher assemblies 84 1 and 84 2 ; each of said pusher assemblies comprises a jack 85 and means for guiding in horizontal translation 86 which allow movement according to the arrows F1 of plungers 82 which make it possible to extract, as regards the pusher assembly 84 1 , one or two of said pliers transfer located on said first conveyor 1, which transfer clamps can then be placed on said carriage 84 when the latter is in the upper position facing said pusher 82; then said carriage can be lowered by means of said jack 81 and said guide means 83 to the position shown in FIG. 14 where said second pusher assembly 84 2 provided with a jack and horizontal guide means can push the said clamp (s) transfer located on said carriage, on said third conveyor 13.
  • FIG. 15a an exemplary embodiment of said means for vertical centering of said ends of wires 70 held by said transfer clamps 4 is shown, which allows vertical centering before said ends of wires are taken up by said wedding pliers 7 .
  • said vertical positioning means 35 comprise, mounted on said fixed table 69, a jack articulated 38 around a yoke 39 of axis XX39, the vertical position of which can be adjusted relative to said table fixed 69; at the upper end of said actuator 38, a movable plate 37 articulated around an axis XX37 is moved by its end linked to said actuator 38, by an articulation around an axis XX38 so as to cause the ascent or descent according to a substantially circular trajectory around said axis XX37 of its internal face 37a; we see in Figure 15b that we have shown substantially the same view as Figure 15a in a phase where, prior to the taking by said wedding pliers (not shown) of said ends of wires 70 held by said transfer pliers 4, the ends 70a previously stripped or prepared of said wire are vertically centered thanks to the lowering of said movable plate 37 which by its internal face 37a defines with the internal face 36a of a fixed plate 36, a space 40 in
  • said clamp marriage 7 can be gripped by its jaws 30 said end 70 of said section of wire 5 held by said jaws of the said transfer clamp 4 located on said first conveyor 1 in a position where said end of the wire has been positioned at a predetermined height by said vertical positioning means 35, then said jack 38 has been actuated so as to lift said movable plate 37.
  • FIGS. 16 and 17 show a preferred embodiment of a portion of said insertion means comprising said movable insertion support 51; it can be seen in FIGS. 16 and 17 that said clamping cylinder 56 and said mobile insertion support 51 are mounted on a support 49 which can rotate around a substantially vertical axis YY5 thanks to a rotary cylinder or motor 50, by l intermediary of a drive system comprising in particular two pulleys 43 and a belt 44, as well as a first shaft 49a which is immobilized relative to said support 49 by a key 49b for example and by a second shaft 49c, allowing rotation around said axis YY5 of the lower part of said support 49 as well as of said movable insertion support 51; it can be seen that, as described above, said mobile support 51 includes said mobile shelf 53 which can move vertically during said clamping and unclamping operations, which mobile shelf is mounted on a spring 52 which can deform along said vertical axis YY5, and said movable insertion support comprises on its
  • FIGS. 18a to 18b operations of an insertion method according to the invention have been shown very schematically.
  • a point P linked to said components 54 comprising at least one cell 54a will carry out during said insertion phase a circular trajectory T1;
  • said jaws of said wedding pliers (partially and schematically shown) hold said section of wire 5 by its end 70 which has a stripped portion 70a;
  • said component 54 which is mounted on said mobile insertion support which mobile insertion support includes said guide 48 which has a face 48a for guiding said end of said section of wire in said cell during said insertion operation; said face 48a of said guide can make an angle A with the direction of insertion, close to 20 degrees for example, said guide 48 having a thickness L4 and said cell 54a having a depth L5.
  • FIG. 18b it can be seen that in a preferred embodiment of the insertion process, when said point P linked to said component reaches the apogee P1 of said curvilinear insertion path, said end of said wire comes into contact with said face of said guide disposed in the immediate vicinity of said cell, at a point P3 substantially median of said surface of said guide, so that the substantially horizontal axis of said end of said wire is offset by a height H1 with the substantially horizontal axis of said cell in which the end of said wire must be inserted.
  • FIG. 18d which represents the end of said operation of inserting said end into said cell
  • said point P linked to said component has reached the end P2 of said trajectory, said end P2 being distant from said apogee P1, in the plane of said curvilinear trajectory, in a direction parallel to the direction of said section of wire, by a distance L6 substantially close to the sum of said values L4 and L5; we see that advantageously in this position, the distance L3 separating the front face of said guide from said movable insertion support and the end of said internal jaw of said marriage clamp is very small, for example of the order of a millimeter.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Specific Conveyance Elements (AREA)
  • Automatic Assembly (AREA)
  • Manufacture Of Motors, Generators (AREA)
EP92912767A 1991-06-21 1992-06-19 Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques Expired - Lifetime EP0694224B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9108131A FR2678136B1 (fr) 1991-06-21 1991-06-21 Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques.
FR9108131 1991-06-21
PCT/FR1992/000557 WO1993000729A1 (fr) 1991-06-21 1992-06-19 Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques

Publications (2)

Publication Number Publication Date
EP0694224A1 EP0694224A1 (fr) 1996-01-31
EP0694224B1 true EP0694224B1 (fr) 1997-02-26

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EP92912767A Expired - Lifetime EP0694224B1 (fr) 1991-06-21 1992-06-19 Procede et dispositif d'insertion d'extremites de fil dans des composants et dispositif de fabrication de faisceaux electriques

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EP (1) EP0694224B1 (no)
JP (1) JP3185057B2 (no)
DE (1) DE69217677T2 (no)
ES (1) ES2100350T3 (no)
FR (1) FR2678136B1 (no)
NO (2) NO922394L (no)
TW (1) TW210394B (no)
WO (1) WO1993000729A1 (no)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3249763B1 (de) * 2016-05-23 2020-12-16 komax Holding AG Kabelverarbeitungsmaschine zum bestücken von konfektionierten kabelenden mit steckergehäusen, mit einem steckergehäusehalter mit einer vorrichtung zum automatischen entladen
RS59421B1 (sr) * 2016-05-23 2019-11-29 Komax Holding Ag Uređaj za mašinu za obradu kablova za automatsko punjenje i poželjno pražnjenje prihvatnika kućišta utikača sa odgovarajućim kućištima utikača
DE102022126336A1 (de) 2022-10-11 2024-04-11 Kromberg & Schubert Automotive Gmbh & Co. Kg Leitungssatzfertigungsvorrichtung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939552A (en) * 1974-11-26 1976-02-24 Amp Incorporated Method and apparatus for feeding a pair of wires
US4552260A (en) * 1983-12-15 1985-11-12 Amp Incorporated Workpiece feeding apparatus
FR2636494B1 (fr) * 1988-09-15 1990-12-14 Ricard Claude Procedes, dispositifs et pinces specialisees pour inserer automatiquement les extremites d'un faisceau de fils conducteurs sur un ensemble de composants
DE3939775C1 (no) * 1989-12-01 1991-04-18 Stocko Metallwarenfabriken Henkels Und Sohn Gmbh & Co, 5600 Wuppertal, De

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Publication number Publication date
TW210394B (no) 1993-08-01
JP3185057B2 (ja) 2001-07-09
NO922394D0 (no) 1992-06-18
FR2678136A1 (fr) 1992-12-24
NO922431D0 (no) 1992-06-19
EP0694224A1 (fr) 1996-01-31
FR2678136B1 (fr) 1993-10-22
JPH07500211A (ja) 1995-01-05
WO1993000729A1 (fr) 1993-01-07
NO922394L (no) 1992-12-22
DE69217677D1 (de) 1997-04-03
ES2100350T3 (es) 1997-06-16
DE69217677T2 (de) 1997-09-11

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