EP0238394A1 - Kabelbaumerzeugungsverfahren, Maschine zur Ausführung dieses Verfahrens und mit diesem Verfahren hergestellte Kabelbäume - Google Patents

Kabelbaumerzeugungsverfahren, Maschine zur Ausführung dieses Verfahrens und mit diesem Verfahren hergestellte Kabelbäume Download PDF

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Publication number
EP0238394A1
EP0238394A1 EP87400522A EP87400522A EP0238394A1 EP 0238394 A1 EP0238394 A1 EP 0238394A1 EP 87400522 A EP87400522 A EP 87400522A EP 87400522 A EP87400522 A EP 87400522A EP 0238394 A1 EP0238394 A1 EP 0238394A1
Authority
EP
European Patent Office
Prior art keywords
conductors
strip
conductor
machine according
main
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Withdrawn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
EP87400522A
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English (en)
French (fr)
Inventor
Sergio Leandris
Jose Moly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Electrical and Power SAS
Original Assignee
Labinal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Labinal SA filed Critical Labinal SA
Publication of EP0238394A1 publication Critical patent/EP0238394A1/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49201—Assembling elongated conductors, e.g., splicing, etc. with overlapping orienting
    • 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
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136—Separate tool stations for selective or successive operation on work
    • Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5139—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling
    • Y10T29/514—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling comprising means to strip insulation from wire
    • 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
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5147—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool
    • Y10T29/5148—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means
    • Y10T29/5149—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means to sever electric terminal from supply strip
    • 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
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5147—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool
    • Y10T29/5148—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means
    • Y10T29/515—Plural diverse manufacturing apparatus including means for metal shaping or assembling including composite tool including severing means to trim electric component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53235—Means to fasten by deformation

Definitions

  • the present invention relates to the manufacture of electrical wiring harnesses intended in particular for the automotive industry.
  • the cables comprise a bundle of primary conductors with at one end a housing element comprising male plugs or female sockets and intended to cooperate with a complementary housing element and at the other end a housing element comprising male plugs or female sockets and intended to cooperate with a complementary element.
  • secondary leads must be provided and for these, the two housing elements of the main bundle are provided with a series of sockets or additional plugs on which secondary conductors are connected, the ends of which receive housing elements.
  • the secondary branches can be numerous, this leads, on the one hand, to increase the dimensions of the housing elements of the bundle of main conductors to provide the additional sockets or plugs and, on the other hand, to a significant expenditure of conductors electric.
  • the present invention overcomes these drawbacks.
  • the method according to the invention relates to the manufacture of electrical wiring harnesses of the type comprising main conductors, comprising a conductive core and an insulating sheath and the ends of which comprise connection elements, for example, housing elements constituting sockets male or female and intended to cooperate with complementary elements, and secondary conductors with a conductive core housed in an insulating sheath, and is characterized in that it consists in stripping an intermediate part of the main conductors, in stripping the secondary conductors at near their corresponding end, to apply the stripped parts of the main conductor and the conductor against each other corresponding secondary, to crimp a terminal on the two stripped parts and to crimp on said terminal a strip of an insulating material which is cold deformable.
  • an insulating pasty material is inserted between the terminal and the strip of insulating material, said pasty material being for example a silicone.
  • a pasty material being for example a silicone.
  • the invention also relates to electrical wiring harnesses produced according to the above defined method and of the type comprising a series of main conductors each having a conductive core housed in an insulating sheath, and intended to be fixed by their ends to elements of housing constituting male or female sockets and intended to cooperate with corresponding elements, and secondary conductors with a conductive core housed in an insulating sheath, said bundle being characterized in that the main conductors comprise, at an intermediate point of their length, a stripped part, while the secondary conductors have a corresponding stripped part in the vicinity of one end, the stripped parts being applied one against the other and fixed by crimping a terminal itself crimped in a strip of a cold deformed insulating material, an insulating pasty material such as a silicone being inserted between the lug e and the insulating strip crimped on said terminal.
  • the invention also relates to a machine for the implementation of the above method and the production of the above-defined bundles characterized in that it comprises a chassis supporting a loading station intended to receive a series of previously stripped secondary conductors in the vicinity of one end and intended to be grafted onto main conductors of an already prepared bundle, means for receiving the bundle of main conductors, guide means for driving the bundle, stop means, means beam drive in determined positions, means for stripping part of the length of a main conductor to receive a grafted secondary conductor, means for removing from the loading station the secondary conductor to be grafted onto the main conductor having a stripped part, means for holding said two conductors side by side, means for crimping with a terminal the two stripped parts of said conductors and means for enclosing the terminal crimped in an insulating part.
  • the loading post comprises a housing provided with a series of rectilinear grooves intended each to receive a secondary conductor, each groove being formed of two corresponding grooves formed in the core of two neighboring stirrups mounted tilting against the action of return springs, the bottom of each groove comprising a contact inserted on a control circuit of a jack whose piston rod is secured to suitably guided tubular elements and capable of cooperating with the souls of the stirrups to separate them ci and thus form a slot in the rectilinear groove, each tubular element being traversed by two elastic metal rods whose free ends are bent in the form of tweezers and so that when the piston rod is lowered the tweezers grip the secondary conductor before the spacing of the stirrups and lead said secondary conductor through the slot in the rect groove iligne.
  • the means for driving the bundle of main conductors comprise an endless chain driven by a motor of a bale wrapper.
  • the means for guiding the bundle of main conductors comprise a comb carried by a body mounted to tilt against the action of a spring, said body por both against a contact inserted on a circuit capable of cutting the power to the machine if the body tips against the action of the spring beyond a determined value.
  • the means for guiding the bundle of main conductors comprise brakes pivotally mounted on the chassis against the action of springs and each having two branches elastically pinching the main conductors.
  • the main conductors are always stretched during the various operations, stripping, crimping, etc.
  • the means for guiding the bundle of main conductors comprise a retractable mounted wire guide and disposed upstream of the wrapper.
  • the wire guide is carried by a sleeve carried by a pin mounted rotating on the chassis against the action of a device with exceeding dead center so as to be able to occupy a service position and a retracted position.
  • the means for stripping part of the length of the main conductor comprises a clamp for clamping the conductor to be stripped, means for bringing the clamp to the right of the conductor, a stripping clamp comprising two knives intended to cut the sheath of the conductor and means for separating the two clamps from one another.
  • a simple and rapid stripping means is thus produced which automatically adapts to different conductor sections.
  • the collet and the stripping pliers each have two branches which are articulated on two parallel axes, the corresponding axes of the two pliers being coaxial and the branches of one of the pliers being connected to the branches of the other so that the opening and closing of the clamps are synchronized and linked together.
  • the stripping pliers are carried by a plate tilting climb on the axis extending in a direction orthogonal to the pivot axes of branches.
  • the means for stripping part of the length of the main conductor comprise a jack whose piston rod carries a cam cooperating with rollers of the branches of the collet said cam having an inclined part corresponding to the approximation branches of the collet and an abrupt so that after tightening the collet opens abruptly.
  • the piston rod of the jack controlling by its cam the closing and the opening of the collet carries a second cam arranged orthogonally with respect to the first cam and cooperating with a roller carried by the plate on which is stripped the stripping pliers.
  • the machine comprises a first carriage mounted to slide horizontally on rails carried by the chassis, said carriage being connected to means for controlling its movement and supporting tweezers movable vertically to pick up a secondary conductor from the loading station and grippers movable vertically to grasp a main conductor to which the secondary conductor must be grafted, said carriage comprising means for holding the main conductor side by side with its stripped portion and the secondary conductor to be grafted with its corresponding stripped portion, means for bringing a terminal against the two stripped parts and means for crimping said terminal.
  • the carriage comprises means for advancing step by step a strip of lugs, means for cutting the lug from one end of the lug strip, a tool connected to control means for pushing the cut lug against a anvil for crimping said terminal on the conductors.
  • the tool is carried by the piston rod a cylinder and carries a movable lever articulated on an axis and which is guided in a slot in order to laterally press the terminal during crimping.
  • the terminal is perfectly maintained.
  • the means for advancing the lug strip step by step comprise a jack whose piston rod carries a pawl intended to cooperate with each lug.
  • the machine comprises a second carriage movable horizontally on the chassis and connected to means for controlling its movement, said second carriage supporting the stripping station which is mounted to slide vertically with the interposition of a jack to control its vertical sliding.
  • the second carriage supports a coil of a strip of cold-deformable insulating material, and comprises a cavity for receiving the splice, means for advancing the strip of a length corresponding to the insulation to be produced, means for cutting a piece of said strip and means for crimping said piece on the splice.
  • the second carriage comprises a jack whose piston rod supports a slide for driving the strip, the latter being guided in a corridor with a non-return brake.
  • the slider supports a strip guide blade and arranged to guide said strip in the cavity.
  • a plastic material having only a very low rigidity.
  • the second carriage comprises, above the cavity, a fixed knife and, mobile in a slide located at the right of the cavity, a mobile knife intended to cooperate with the fixed knife.
  • the movable knife is carried by a matrix controlled by a jack and guided in said slide against a movable punch in the slide and controlled by a jack.
  • the matrix comprises a pusher movable axially in said matrix and controlled by a jack.
  • the second carriage supports a cartridge of a pasty product comprising a dispensing tube opening onto the strip opposite an opening of the strip guide blade, means being provided for sending on each piece of the strip intended to form the insulation of the splice a drop of pasty product.
  • the cartridge is connected by a tube to a source of compressed air with a timer in order to put the pasty product under pressure to send through the distribution tube a certain amount of pasty product.
  • the wrapper comprises a channel for grouping the conductors, a head supporting a roll of ribbon, means for driving the head in rotation for winding the ribbon on the bundle, an endless chain driven in rotation by a kinematic link. from a motor, a claw for hanging on the endless chain the corresponding housing element of the bundle and an ejector for discharging said housing element when the bundle is finished.
  • Figures 1 and 2 show schematically and respectively a bundle of electrical conductors for the electrical supply, for example of a motor vehicle, produced according to the conventional technique and a bundle produced according to the invention.
  • the bundle of Figure 1 comprises two housing elements 1 and 2 intended to be electrically connected to corresponding elements provided on the motor vehicle, these elements being connected by electrical conductors 9 which constitute the main conductors.
  • two housing elements 3 and 4 are provided for supplying secondary elements; in this case, additional conductors 5 and 6 are therefore provided which must be connected to additional sockets in the housing elements 1 and 2.
  • the bundle of FIG. 2 is produced with the machine, according to the invention, and comprises two housing elements 7 and 8 connected by main wires 10 and two housing elements 11 and 12 for supplying secondary networks.
  • the housing elements 11 and 12 are supplied by conductors 14 and 15 connected to the conductors by means of splices made directly from the machine. It can be seen that the machine according to the invention saves great lengths of electrical conductors.
  • FIG. 3 a machine is schematically represented, according to the invention, this machine comprising a loading station 20 intended to receive different secondary conductors to be connected to the main conductors, a stripping station 30, main conductors, a station 40 for crimping at least one secondary conductor on a main conductor, a crimping isolation station 50 and finally a wrapping station 60.
  • the loading station is shown in Figures 4,5,6 and 7 and comprises a housing 21 with several inputs 22 each intended to receive at least one secondary conductor.
  • the housing 21 comprises a series of pairs of stirrups 28 mounted tilting on axes 29 and having in the souls their face turned opposite one another of the straight grooves 32 which constitute the inputs 22, these stirrups 28 can occupy two positions; a position in which they are separated and there is formed along the lower edge an opening through which a secondary conductor can pass, and a closed position in which the two grooves 32 form a continuous channel.
  • the housing 21 supports a series of pneumatic cylinders 35 whose piston rod 36 is integral with a plate 33 on which are fixed tubular elements 39 slidably mounted in bores 34 of a fixed part of the housing 21. These tubular elements 39 cooperate with ramps 42 provided on the stirrups 28 so that when said elements 39 are pushed in the direction of arrow f they tend to control the spacing of stirrups 28 against the action of a spring 31 tending to keep them applied one against the other so that the channel formed by the grooves 32 is open downwards.
  • the housing 21 comprises plates 37 on which are hung two pairs of elastic metal rods 38 each pair passing through a tubular element 39 and being terminated by arched ends which form tweezers 41 intended to grip a secondary conductor.
  • each channel formed by two adjacent grooves 32 is arranged a pallet 23 mounted to pivot on an axis 24 and which bears against a finger 26 of a microswitch 25 which controls when it is requested by the pallet 23 pushed by a secondary conductor supply to the jack 35 so that the piston rod 36 is moved in the direction of arrow f, the tubular elements 39 controlling the spacing of the stirrups 28, at the same time as they tighten the tweezers 41 which block the secondary conductor.
  • the stroke of the piston rod is such that in the extreme position of the tubular elements 39 the secondary conductor is located below the channel formed by the corresponding grooves 32 of a pair of stirrups 28.
  • the return springs 31 tend to bring back the stirrups 28 in the closed position.
  • the main conductor bundle is guided by a comb 44 (see FIGS. 8, 9 and 10) with teeth 45 between which said main conductors are disposed, these being guided on a roller 46, passing through brakes 47 and the element housing being connected to the wrapper 60 which will be described later in the text.
  • the comb 44 is carried by a body 48 mounted to tilt on an axis 51 carried by two cheeks 57.
  • a spring 52 tends to hold said body 48 against a stop 53.
  • the body 48 bears against a contact 54 of a switch 55 intended to cut the power supply circuit of the machine if the comb tilts beyond a determined value around the axis 51 against the action of the spring 52.
  • the roller 46 is mounted idly on an axis 56 carried by the cheeks 57.
  • the cheeks 57 also support an axis 58 on which the brakes 47 are mounted.
  • Each brake 47 comprises a body 61 mounted rocking on the axis 58 between two stops 49 and 59 and against the action of a spring 62 hooked by one end to a lug 64, while the other end is fixed to a lug 63 fixed to a plate 65 extending between the cheeks 57.
  • a compression spring 68 clamped between the body 61 and the branch 66 tending to maintain the brake 47 in the closed position.
  • the free end of the body 61 and the free end of the branch 66 are cut in a bevel to form a V-shaped opening 70 facilitating the introduction of the main electrical conductors, the branch 66, on its face turned opposite the body 61, comprising a notch 71 for retaining a conductor thus engaged (FIG. 8).
  • a mobile carriage 74 On rails 73 carried by a chassis 72 is horizontally guided a mobile carriage 74. This carriage 74 is connected to one of the strands 76 of a toothed belt 75 which passes over pulleys 77 and 78 mounted idly on the chassis of the machine, the pulley 78 being driven by a belt 82 which cooperates with the shaft 81 of an engine 80.
  • the carriage 74 comprises, on the one hand, a pair of pliers 84 and a pair of tweezers 85.
  • the pair of pliers 84 (see FIG. 12) is arranged outside the carriage, on either side thereof, while the pair of tweezers 85 is arranged inside said carriage 74 and in such a way that the secondary conductor which will thus be maintained extends in the vicinity of the main conductor which will be maintained by the clamps 84.
  • Each clamp 84 comprises a tubular element 86 supporting at its upper end a yoke 87 whose wings are crossed by two axes 88 on each of which is articulated a jaw 89, each said tubular element being guided in a bore 90 of a tab 91 , integral with the carriage 74 and connected by a plate 92 to the rod 93 of a cylinder 94.
  • This cylinder 94 is by a plate 98 connected to two rods 95 themselves connected by a plate 109 to the rod 110 of a cylinder 96.
  • the rods 95 are slidably mounted in the tubular element 86 and comprise at their free end two rods 97 articulated on the heels of the jaws 89 and thus controlling the opening and closing of said jaws. It will be understood that the jack 96 makes it possible to raise or lower the assembly of the clamp, while the jack 94 makes it possible to obtain the closing or opening of the jaws 89.
  • the tweezers 85 each comprise two elastic metal rods 101 which pass through a tubular element 102 and which are fixed to a plate 103 carried by the rod 104 of a jack 105.
  • Each tubular element 102 is connected by a plate 107 to the rod 108 d 'A cylinder 106, the latter, by a plate 112 being connected to the plates 103 which are themselves by a bar 104 connected to the rod 113 of a cylinder 105.
  • the cylinder 105 is carried by the rod 115 of the piston d a jack 116 secured to the carriage 74.
  • the cylinders 105 and 116 make it possible to move the tweezers 85 vertically along a large stroke, while the jack 106 makes it possible to control the opening and closing of said tweezers.
  • the chassis 72 comprises an axis 118 on which is mounted a coil 119, on which is wound a strip of lugs 120 (see FIGS. 11 and 14).
  • the pods 120 are each formed of a metal part which takes the shape of a U with two wings 120a and 120b and a core 121, said pods being adjoining by extension of the core 121.
  • the carriage 74 comprises a slide 123 (see FIG. 15) in which the strip of lugs 120 is guided, said slide having a curved part 124 at the end of which extends a tool 125 which is constituted by a punch intended to cooperate with the core 121 of a terminal 120 and to cut the latter so as to separate it from the other lugs, this tool being carried by the rod 127 of a jack 128.
  • an anvil 129 is provided to fold the free ends of the wings 120a and 120b against a main conductor and a secondary conductor so, by crimping to make a splice.
  • the strip of lugs 120 is moved in the slide 123 step by step by a pawl 130 which cooperates with the corresponding edge of the wings 120a and 120b and which is mounted tilting on an axis 134 against the action of a spring 135 on a slider 133 secured to the rod 131 of the piston of a jack 132. It is understood that the displacement in one direction of the slider 133 will cause the pawl 130 to escape, while that moving in the opposite direction will push the strip with a length corresponding to that of a terminal 120.
  • the tool 125 comprises a finger 136 on which is articulated a lever 138 which is pushed by a spring 140 tending to tilt it in the direction of arrow f.
  • the lever 138 has a heel 139 which can cooperate with a ramp 142 so as to pivot in the direction opposite to the arrow f.
  • Figures 18 to 21 show the stripping station 30 of the main conductors.
  • This stripping station is mounted vertically movable on slides of a second carriage 146 ( Figure 22).
  • the second carriage 146 is mounted movable horizontally on a rail 147 carried by the chassis 72 and is connected to a strand of a belt 149 which passes over pulleys 150 and 151, the pulley 151 being driven by a belt 152 which is guided by a pulley 154 fixed on a shaft of an engine 153.
  • a jack 156 On the second carriage 146 is fixed the body of a jack 156 whose piston rod 157 is connected to a plate 158 connecting two cheeks 159 and 160, the cheek 160 supporting a jack 161.
  • the branch 163 carries a lever 141 articulated on an axis 148 and which carries a roller 171 mounted idly on an axis 170.
  • the lever 141 is held against a stop 155 by a spring 168 inserted between said lever and a stud 169. It is provided a second stop 126 limiting the deflections of the lever.
  • the same mounting is provided at the corresponding end of the branch 164.
  • the jack 161 comprises a rod 162 on which is mounted a cam 172 intended to cooperate with the rollers 171, to control the closing of the clamp 165.
  • This cam 172 comprises two levers 111 and 113 articulated on an axis 114 carried by the rod 162 and which tend to be separated from one another by springs 201.
  • a plate 174 which carries articulated on axes 176 and 177 the branches 180 and 181 of a stripping pliers 179 whose free ends are provided with knives 182 intended cutting the insulating sheath of a main electrical conductor.
  • the end of the branch 180 opposite to that provided with the knife 182 comprises a fork 183 in which a bar 184 is inserted, integral with the branch 163 of the clamp 165.
  • the corresponding end of the branch 181 of the stripping pliers 179 comprises a fork 186 in which a bar 185 is inserted integral with the branch 164 of the pliers 165.
  • a tension spring 187 is provided inserted between the forks 183 and 186 and which tends to spread the knives 182 and also the pliers 165.
  • the axes 166 and 176 are coaxial, the axes 167 and 177 also being coaxial.
  • the plate 174 carries a yoke 188 which extends between the two branches of the clamp 179 in the vicinity of the knives 182 and whose wings are crossed by a roller 190 which is intended to cooperate with a cam 191 provided at the free end of the rod 162 of the jack 161.
  • the cam 172 will control the clamping of the clamp 165 whose jaws 175 will grip a main conductor, and simultaneously the clamping of the clamp 179 whose knives 182 will cut the insulating sheath of said main conductor.
  • the clamping of these clamps 165 and 179 is carried out simultaneously, since these are connected by the bars 184 and 185.
  • the rod 162 of the jack 161 continuing to descend, the cam 191 which is located in a plane perpendicular to the cam 172 will meet the roller 190, so that the plate 174 will tilt on the axis 173 against the action of the spring 192.
  • the main conductor, part of which is stripped, is taken up by the clamps 84 and is brought in the vicinity of the secondary conductor which is held by the tweezers 85 and which has been previously gripped by them during the movement of the carriage 74.
  • the stripped parts of the secondary conductor and the main conductor are held next to each other, while the corresponding terminal 120 is crimped on said conductors.
  • the second carriage 146 comprises (see FIG. 23) a receptacle 193 provided with a pin 194 on which is mounted a coil 195 of a strip 196 of plastic material capable of being deformed when cold.
  • the receptacle 193 comprises a passage 197 for the passage of the strip 196 and against which spring blades 198 are applied which cooperate with a finger of a switch 199 intended to indicate the absence of the strip.
  • a non-return brake 200 comprising a body 202 with a slot 203 which is crossed by said strip, the lower face of the body 202 comprising a spring leaf 205 fixed by a screw 206 and which partially overlaps the end of the slot 203 so as to allow the advancement of the strip 196, but to oppose its retreat.
  • the strip 196 is guided in a slot 204 and is taken up by a device for controlling its advance 208.
  • the device 208 comprises a jack 209 fixed on the second carriage 146 and whose piston rod 210 is guided in a bore 211 and supports, articulated on an axis 212, a slider 213 which has a slot 218 in which the band 196 is guided and which is extended by a flexible blade 216, the lower end of which is provided with an opening 217.
  • the slide 213 comprises a stud 214 which is guided in a slot 215 in the carriage 146.
  • the carriage 146 comprises two coaxial slides 220 and 221, in the slide 220 being guided by a punch 222, while in the slide 221 is guided a die 223.
  • the punch 222 is, at its end, turned opposite the matrix 223 provided with an imprint 224 and its upper edge is secured to a knife 225, while that its other end is connected articulated by a pin 227 to one end of a link 228 the other end of which is articulated on a pin 229 carried by a lever 230 articulated on a pin 234 of the second carriage 146.
  • the arm 230 is connected by an axis 231 to the rod 233 of a jack 232 mounted to tilt on an axis 235 carried by the carriage 146.
  • the lever 230 carries a lug 237 capable of encountering in its two extreme positions two end-of-travel contacts 238 and 239.
  • the arm 240 includes a stud 242 which cooperates with an elongated slot 245 of a link 243 articulated on the matrix 223 on an axis 244.
  • the matrix 223 has an imprint 248 and a knife 247 intended to cooperate with the knife 225 by sliding under the underside of the latter.
  • the matrix 223 is traversed by a channel 257 in which is guided a pusher 249 carried by the free end of the rod 258 of a jack 250.
  • the second carriage 146 carries a support 260 in which is mounted a cartridge 261 of a pasty product insulating for example a silicone, said cartridge comprising a distribution tube 262 which opens onto the strip 196 opposite the opening 217 of the blade 216.
  • a cartridge 261 of a pasty product insulating for example a silicone said cartridge comprising a distribution tube 262 which opens onto the strip 196 opposite the opening 217 of the blade 216.
  • the cartridge is connected by a tube 263 to a source of compressed air 264, a timer 265 being provided so that it is sent into the cartridge a certain pressure, during a determined period of time so that it is deposited on the strip 196 a drop of said pasty product.
  • a cavity 267 Between the slides 220 and 221 is formed a cavity 267, while between the slide 213 and said cavity 267 there is provided a passage 266 for the strip 196.
  • the main conductor is held by the clamps 84 and the carriage 146 is moved relative to the carriage 74 so that the clamps 84 are arranged facing the cavity 267, the clamps 84 are then moved upwards by the jack 96 so that the splice is placed in said cavity.
  • a drop of pasty product 268 is placed on the strip 196 and the jack 209 controlled so that the slide 213 brings the end of the strip 196 provided with the drop of pasty product 268 into the cavity 267.
  • the jack 250 is then controlled so that the pusher 249 holds the strip 196 against the splice (FIG.
  • the wrapper 60 comprising a frame 269 on which is guided at one end an axis 270 on which rotates a pulley 271 on which passes an endless chain 272 driven by a pinion 273 wedged on a shaft 275 on which is wedged a pulley 276 driven by a belt 277 passing over tension rollers 278-279 and driven by a pulley 280 wedged on an output shaft 281 of a geared motor group 282.
  • the chain 272 is intended to receive pulling claws 284 which include hooks 285 secured to a plate 286 which extends far beyond the chain.
  • an ejector 287 comprising two cheeks 288, each of these cheeks being arranged on either side of the chain 272 at a distance less than the width of the plate 286 and having an inclined part 288a connected to a curved part 288b, so that the underside of the plate 286 by cooperating with the inclined parts 288a makes it possible to release the hooks 285 from the chain 272 and thus the claw 284 is ejected.
  • the frame 269 at its anterior end comprises a plate 289 carrying the wrapping head 290.
  • This head 290 comprises a body 295 provided with a toothed sector 291 and a V-shaped support 296 pierced with a slot 292 which is crossed by a ribbon 294 wound on a reel 293 mounted on an axis 297.
  • the frame 269 supports a motor 298 on the shaft 299 which is wedged a toothed pulley 300 which drives a toothed belt 301 cooperating with a toothed pulley 303 wedged on an axis 312 on which is wedged a pinion 304 engaged with the teeth of the sector 291.
  • the axis 312 is carried by the plate 289 and a roller 302 is provided to ensure the tension of the belt 301.
  • the pulley 300 also drives a second toothed belt 306 which cooperates with a toothed pulley 308 wedged on an axis 310 on which a pinion 309 is wedged, the teeth of which mesh with the teeth of the sector 291.
  • a roller 307 is also provided to ensure the belt tension 306.
  • the pinions 304 and 309 are identical as well as the pulleys 303 and 308 so that said pinions rotate in synchronism at the same speed.
  • a table 313 In front of the wrapping head 290, a table 313 is provided with a channel 314 for guiding and bringing the conductors together and a pressure roller 315 intended to hold said conductors on said channel.
  • a wire guide 316 which is carried by two legs 317 secured to a table 318 supporting a hydraulic assembly 319 with a pump 320, a tarpaulin and distributors contained in a casing 321 .
  • the wire guide 316 is carried by an arm 322 secured to an axis 324 carried by a nut 325 itself secured to an axis 326 journalled in holes 327 of the legs 317.
  • a finger 328 On the axis 324 is wedged a finger 328 on which is fixed one of the ends of a tension spring 329 the other end of which is fixed to a lug 330 integral with the table 318, the spring tending to apply the arm 322 against a stop 336.
  • the wire guide 316 can be retracted.
  • the arm 322 is pivoted against the action of the spring 329, then the axis 326 is pivoted, the tab 331 being angularly offset by an angle. greater than 90 ° so that the spring jack 334 tends to hold the sleeve 325 in abutment against the edge of the table 318.
  • the chassis 72 comprises a bracket 336 which supports a calculating machine such as a computer 337 provided with a screen 339 and a keyboard 340.
  • a calculating machine such as a computer 337 provided with a screen 339 and a keyboard 340.
  • FIG. 37 show a splice made between a main conductor 10 which has a stripped portion 10a made from the stripping station 30 and a secondary conductor 14 whose free end is partially stripped at 14a.
  • the terminal 120 is crimped as shown in FIG. 37 so that the strands forming the conductive core of the two conductors are intimately linked.
  • the strip part 196 is crimped onto the terminal 120 so as to completely coat the said terminal 120, while the drop of pasty material deposited on the internal face of the part 196, at the time of the crimping of the latter flows through the sheaths to perfect the insulation.
  • the operator takes a beam such as that shown in FIG. 2, this being, of course, formed by main conductors 10 with the housing elements 7 and 8.
  • the five main conductors are each placed manually between a pair of neighboring teeth 45 of the comb 44 pass over the roller 46, are each engaged in a corresponding brake 47 so as to be housed in a notch 71, the conductors 10 then pass through the wire guide 316 and the housing element 8 , for example, is hooked to a claw 284 placed on the chain 272.
  • the operator has at his disposal in lockers, for example, arranged near the machine, secondary conductors such as conductors 14 and 15 provided with their housings 11, 12 and which are, in the vicinity of their free end partly stripped .
  • the operator places said secondary conductors in the channels 32 of the loading station 20, and in an established order.
  • Each secondary conductor comes to bear against the pallet 23 which presses on the finger 26 of the microswitch 25 which closes a circuit controlling the corresponding jack 35.
  • the rod of the jack 36 descends and drives the plate 33 to which the tubular elements 39 are fixed which, by cooperating with the ramps 42, control the tilting of the stirrups 28 on the axes 29 against the action of the springs 31.
  • This movement of the tubular elements 39 causes the tweezers to close simultaneously, which hold the secondary conductors 14 and 15 on standby (see Figures 4,5,6 and 7).
  • the operator presses the corresponding key on the keyboard 340, from which the complete cycle of grafting of the secondary conductors is controlled.
  • the crimping station 40 by the motor 80 is moved on the rails 73 and is placed under the loading station 20 so that the tweezers 85 can grip the selected secondary conductor.
  • the jack 116 is supplied as well as the jack 105 so as to move the tweezers 85 which come against the secondary conductor to be grafted, then the jack 106 is powered in order to move the tubes 102 relative to the rods 101 in order to close the tweezers 85 to grab said secondary conductor.
  • the corresponding jack 35 is then supplied so that the rod 36 is returned to its initial position (direction opposite to the arrow f in FIG. 5) and so that said secondary conductor is released from the tweezers 38.
  • the tweezers 85 kept closed are moved downwards by the jacks 105 and 106 so that the secondary conductor comes to be placed between the crimping tool 125 and the anvil 129, said tweezers 85 remaining closed.
  • the carriage 74 is moved so that the clamps 84 are located in line with a main conductor onto which the secondary conductor held by the tweezers 85 is to be grafted.
  • the bundle of main conductors has been moved as a function of the position of the grafting, this movement having been controlled by the chain 272 of the wrapper 60, the motor 282 having been powered from the instructions programmed on the computer 337.
  • the stripping station 30 is then controlled so that a main conductor is, in part, stripped.
  • the actuator 156 is therefore controlled in order to bring the jaws 175 and the knives 182 to the right of the main conductor, then the actuator 161 is also controlled so that the cam 172 cooperates with the rollers 171, so that the main conductor is, d firstly, clamped between the jaws 175 and its sheath sectioned by the knives 182 since the branches 180 and 181 are directly linked to the branches 163 and 164 by the bars 184 and 185.
  • the piston rod 162 continues to descend so that its cam 191 comes to bear against the roller 190 in order to tilt the plate 174 on its axis 173 against the action of the spring 192 and thus move all of the branches 180 and 181 so that the knives 182 drive the sheath from the where it was cut.
  • the station 30 is then moved upwards while the rod 162 returns to its initial position, the rollers 171 disappearing by pivoting the levers 141 against the action of the springs 168, the levers coming to bear against the stops 126.
  • the clamps 84 are moved upwards (see FIG. 12) to grip the main conductor, part of which is stripped.
  • the jack 96 is supplied in order to move all of the clamps 84 kept open and bring the jaws 89 around the main conductor, part of which is stripped.
  • the jack 94 is controlled to ensure the closing of the jaws 89 on said main conductor, then the jack 96 is controlled in order to bring said main conductor in the vicinity of the secondary conductor held by the pliers 84 of the crimping station 40.
  • the main conductor and the secondary conductor held one next to the other by, respectively, the pliers 84 and the tweezers 85 are, by their stripped part located in line with the terminal 120 disposed in front of the tool 125 (see Figures 15, 16 and 17).
  • the tool 125 is moved by the rod 127 of the jack 128 so that the terminal 120 is cut by the knife 143 and guided by the lever 138.
  • the tool 125 continuing to advance, the lever 138 is lowered by cooperating with the slot 144, while the terminal 120 is crimped onto the conductors by being pushed by the tool against the anvil 129.
  • the rod 127 of the jack 128 is then returned to its initial position, while the jack 132 is supplied so that the pawl 130 moves the lug strip by a length corresponding to a lug 120 to bring a new lug in front of the tool 125.
  • the jack 132 is then controlled so that the pawl 130 returns to its initial position.
  • the tweezers 85 are open, that is to say that the jack 106 is supplied in order to slide the tubes 102 in the direction of opening of said tweezers, while the second carriage 146 is moved so that its cavity 267 is placed opposite the splice formed by the terminal 120 crimped on the main conductor and the secondary conductor.
  • the jack 96 (FIG. 12) is supplied in such a way that the main conductor clamped by the clamps 84 with its splice is brought into the cavity 267.
  • this isolation station 50 it is sent into the cartridge 261 through the tube 263 of compressed air so that a drop of the pasty product 268 of the cartridge is deposited on the band 196 in line with the opening 217 of blade 216 (see Figure 25).
  • the jack 209 is then controlled so that the slide is moved downward, driving the strip 196 so that the part thereof provided with the drop of pasty product comes to lodge in the cavity 267 in line with the splice (see FIGS. 26 and 27).
  • the cylinder 250 is then supplied so that the pusher 249 comes to bear against the strip 196 which is thus pushed against the splice and simultaneously the cylinder 256 is supplied so that the cam 254 carried by the rod 255 while cooperating with the roller 252 controls the tilting of lever 240 around its axis 241 so that the die 223 is moved in the direction of the punch 222.
  • the knife 247 passes under the knife 225 to cut part of the strip 196 at the same time as the cut piece is folded in the shape of an inverted U so that the free ends of the wings are lodged in the punch (figure 28).
  • the jack 232 is then controlled and the free ends of the wings of the piece of strip are crimped onto the splice (FIG. 29).
  • the cylinders 250, 256, 232 and 209 are then controlled to return to their initial position, while the clamps 84 are opened by the cylinder 94 to release the main conductor and are by the cylinder 96 brought back to a retracted position.
  • the motor 282 which controls the advancement of the chain 272 is controlled in order to move the bundle of main conductors by a length corresponding to the grafting of a second secondary conductor and the same cycle, as that which has just been described, resumes to make a new splice on a second main conductor.
  • the wrapper is controlled and the head 290 wraps the ribbon 294 around the bundle.
  • the machine has a large number of safety devices. For example, if the bundle of main conductors is tangled, the comb 44 will tilt on its axis 51 against the action of the spring 52 so that the switch 55 will cut the power to the machine, this anomaly being displayed on the screen 339 .
  • the brakes 47 make it possible to maintain a substantially uniform tension of the main conductors during the various manipulations of these, stripping, crimping, insulation.
  • the program introduced into the computer 337 is that indicated on page 30.
  • the left column indicates the different operations available.
  • PAS the PAS of the wrapper in mm.
  • EFF the crimping effort in tonnes.
  • POMP the pumping value in mm.
  • DIST position for stopping the running of the main conductors in mm.
  • NBR number of grafting at the considered stop.
  • PRS number of the display stand from which a secondary conductor must be removed.
  • CHG number of the loading station into which a secondary conductor must be inserted and removed to be grafted.
  • COLOR possible color of the secondary conductor.
  • FIL number of the main conductor intended to receive a secondary conductor.
  • the first grafting a will be carried out at 590 mm measured from the casing element 8 on the main conductor 101 (first line of the program) the grafted secondary conductor 14 having been removed in display 1 and placed in loading station A.
  • the second grafting b is carried out at 640 mm on the main conductor 102.
  • the machine then stops at 900 mm in order to allow the conductors 14 and the casing element 11 to be released from the wrapping head, the third grafting c being carried out at 2590 mm on said main conductor 105.
  • the following two grafts d and e are carried out respectively at 2640 mm and 2690 mm on the main conductors 103 and 104.
  • the machine stops at 2900 mm so that the housing element 12 is released and then at 3850 mm where the housing element 7 is released from the comb 44 and the brakes 61.
  • GV high speed: the motor 282 rotates at high speed to evacuate the finished bundle at the end of the bale wrapper.
  • PV low speed: motor 282 is driven at normal speed.
  • AV - horn an audible horn can be triggered in order to draw the operator's attention to a particular operation to be carried out at a given time.
  • FF end of beam.
  • Each line corresponds to operations which are programmed to stop the machine.
  • the operator can, at any time check the progress of the operations which are displayed on the screen 339 to facilitate the work.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Insulated Conductors (AREA)
EP87400522A 1986-03-19 1987-03-10 Kabelbaumerzeugungsverfahren, Maschine zur Ausführung dieses Verfahrens und mit diesem Verfahren hergestellte Kabelbäume Withdrawn EP0238394A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8603927A FR2596233B1 (fr) 1986-03-19 1986-03-19 Procede de fabrication de faisceaux de cablages electriques, machine pour la mise en oeuvre du procede et cablages obtenus
FR8603927 1986-03-19

Publications (1)

Publication Number Publication Date
EP0238394A1 true EP0238394A1 (de) 1987-09-23

Family

ID=9333297

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Application Number Title Priority Date Filing Date
EP87400522A Withdrawn EP0238394A1 (de) 1986-03-19 1987-03-10 Kabelbaumerzeugungsverfahren, Maschine zur Ausführung dieses Verfahrens und mit diesem Verfahren hergestellte Kabelbäume

Country Status (5)

Country Link
US (1) US4875286A (de)
EP (1) EP0238394A1 (de)
JP (1) JPS63259909A (de)
FR (1) FR2596233B1 (de)
PT (1) PT84245B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248358A (en) * 1991-05-24 1993-09-28 General Electric Company Method and apparatus for automating superconducting tape splices
JP2970273B2 (ja) * 1992-12-17 1999-11-02 住友電装株式会社 ワイヤーハーネスの製造方法
JP3237412B2 (ja) * 1994-08-31 2001-12-10 住友電装株式会社 ワイヤハーネスおよび該ワイヤハーネスの製造方法
ES2151446B1 (es) * 1999-02-16 2001-07-16 Mecanismos Aux Es Ind Sa M A I Maquina para el mecanizado de cables especiales para automoviles.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836497A (en) * 1929-10-21 1931-12-15 Delco Remy Corp Conductor splicing machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618734A (en) * 1925-04-14 1927-02-22 Smitak Frank Wire cutting and stripping device
US3594900A (en) * 1968-12-10 1971-07-27 Amp Inc Method and apparatus for connecting pairs of conductors
US3927453A (en) * 1973-02-23 1975-12-23 Gen Staple Co Apparatus for forming insulated splices
US4084310A (en) * 1977-02-23 1978-04-18 Bunker Ramo Corporation Apparatus for stripping and positioning an insulation conductor
FR2491690A3 (fr) * 1980-10-02 1982-04-09 Casadio Roberto Pince a denuder les fils ou cables electriques

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836497A (en) * 1929-10-21 1931-12-15 Delco Remy Corp Conductor splicing machine

Also Published As

Publication number Publication date
US4875286A (en) 1989-10-24
JPS63259909A (ja) 1988-10-27
FR2596233A1 (fr) 1987-09-25
PT84245A (fr) 1987-03-01
FR2596233B1 (fr) 1988-05-20
PT84245B (fr) 1989-03-03

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