EP0580053B1 - Méthode pour fabriquer des fiches ou douilles pour dispositifs de connexion électrique - Google Patents

Méthode pour fabriquer des fiches ou douilles pour dispositifs de connexion électrique Download PDF

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Publication number
EP0580053B1
EP0580053B1 EP93111119A EP93111119A EP0580053B1 EP 0580053 B1 EP0580053 B1 EP 0580053B1 EP 93111119 A EP93111119 A EP 93111119A EP 93111119 A EP93111119 A EP 93111119A EP 0580053 B1 EP0580053 B1 EP 0580053B1
Authority
EP
European Patent Office
Prior art keywords
flat strips
flat
lead end
end zone
welding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93111119A
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German (de)
English (en)
Other versions
EP0580053A1 (fr
Inventor
Gerhard Reichinger
Hans Köttgen
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.)
REICHINGER, GERHARD, DIPL.-ING.
Original Assignee
Reichinger Gerhard Dipl-Ing
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Filing date
Publication date
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Publication of EP0580053A1 publication Critical patent/EP0580053A1/fr
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Publication of EP0580053B1 publication Critical patent/EP0580053B1/fr
Anticipated expiration legal-status Critical
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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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members

Definitions

  • the invention relates to a method for producing a plug or a coupling socket for electrical plug devices with the features of the preamble of claim 1 and a device for performing the method.
  • plugs or coupling sockets connected to the pipe with a material fit are used wherever plug devices are subject to increased moisture and moisture attack, e.g. in automotive engineering.
  • the disadvantage of the spraying process is the use of complex spraying machines and devices for the external shaping of the plug or the coupling socket.
  • the known device contains a fixed and a movable die, the pressure surfaces of which are interrupted by recesses for the insertion and fixing of the cable lugs.
  • Another flat band is arranged approximately congruently above a first flat band.
  • the cable lugs are arranged in the space between the two flat strips.
  • the movable die is moved against the fixed die.
  • the shape recesses of the fixed and the movable die correspond to each other and, when the two dies are closed, form a cavity for receiving the cable lug and the flat band areas surrounding it.
  • the pressure surface areas of the matrices form heating surfaces for a material connection between the two flat strips. In the closed state of the two dies, the pressure surfaces corresponding to one another lie against one another with the interposition of the flat strips.
  • a cable lug encased by both flat strips lies in each case in the form recesses.
  • the movable die is structurally very complex.
  • the movable die with its heating surfaces is moved against the corresponding heating surfaces of the stationary die.
  • the flat band areas clamped in between the corresponding heating surfaces are first heated up and are thus cohesively connected to one another.
  • the two matrices acting against each other remain in this position after the heating process, so that the cohesively connected flat strip areas can cool down.
  • a blade plate as part of the movable die is moved against the two pressure tools that remain in their closed position. Blades running perpendicular to the flat strips are fixed to the blade plate. When the blade plate is lowered, the blades separate the composite parts from the flat strips.
  • the movable die for carrying out the known method must be constructed from components which are movable relative to one another.
  • the overall structurally very complex design of the device causes unnecessarily high acquisition and maintenance costs.
  • Another disadvantage is that the individual process steps for producing the composite part in a chronologically separate sequence be carried out and the manufacturing time of the composite parts is very long. This in turn increases the cost of manufacturing the individual composite part.
  • the invention is based on the object of simplifying the production of such plugs and coupling sockets in terms of production technology and of making them more cost-effective.
  • Manufacturing time is saved by combining the material connection and separating it into a single work step. This saving is particularly important when it comes to the production of bulk items - as is the case with the manufacture of plugs or coupling sockets. Here, savings can also be felt in the sum of seconds between individual work steps. As a result, the production costs of the individual composite part can be reduced.
  • the preforming of the flat strips with a negative relief according to claim 1 causes a reduced degree of deformation in the material connection of the two flat strips. This improves the material security.
  • the pre-embossed flat strips allow simple positive pre-fixing of the line end area between the two flat strips and the material connection by means of an adhesive.
  • the re-cooling which has not yet taken place completely during the material connection of the flat strip material and its separation, is advantageously used in accordance with claim 2 to carry out the shaping of the composite part which is common in many cases with low mechanical energy of the production means used.
  • the shape embossing can be both the outline shape of the composite part and engravings, lettering or the like. act on the outer surfaces of the composite part.
  • the thermal energy required to produce the flat strips for further process steps e.g. used for embossing or for material connection. This saves energy and thereby lowers the manufacturing costs of the composite part.
  • the manufacturing time is reduced because the warm-up process for the welded or adhesive connection is at least partially eliminated.
  • Claim 5 relates to a preferred embodiment of the flat strips in order to facilitate production and to act as insulation of the line end area to protect against electrical hazards.
  • Claim 7 relates to a device for performing the method according to claim 1.
  • Claim 13 enables the exact manufacture of the composite part with the desired outline shape and the desired cross section in a simple manner. For this purpose, the flat band regions inserted within the cavity formed by two corresponding shaped recesses are heated. The softened flat strip material penetrates the entire cavity of the mold recesses due to the compression of the printing tools. Any plug or coupling socket shape can thus be achieved solely by appropriate design and arrangement of the heating surfaces and the side walls of the recesses. Claim 13 also uses in advantageously the double function of the heating surface, namely on the one hand as part of the mold recess and on the other hand as a means for the material connection.
  • the manufacturing effort of the printing tools and thus the entire device for performing the method is thus reduced. Furthermore, the double function of the heating surface ensures that there is not only a material connection between the two flat strips themselves, but also between the flat strips and the line end area. This leads to a strain relief of the line against the contact elements. This increases the service life of the plug or coupling socket.
  • the heating surfaces are preferably heated by electric current and at the same time support the compression of the two flat band areas by their mechanical pressure effect and by their simultaneous softening the complete filling of the cavity formed by two corresponding recesses.
  • Claim 8 relates to an advantageous embodiment of the printing tools for producing the composite part in a cycle production.
  • Claim 9 relates to the combination of the clock production with a weld to produce the material connection.
  • the work cycles for producing a certain number of composite parts are reduced. As a result, the production system is exposed to less wear. More composite parts are produced per unit of time, which makes the production system more cost-effective.
  • Claims 11 and 12 relate to measures for producing the composite parts in a flow production. As a result, the manufacturing system works even more cost-effectively. According to claim 12, the flow production is combined with a weld to produce the material connection. The flat strips are fed continuously to the printing tools.
  • Claim 14 avoids any waste of the ribbon material. This makes it possible to dispense with complex recycling processes for processing the waste material as a reusable flat belt.
  • the cutting edges according to claim 13 and 14 also fulfill a double function. They are part of the form recesses and at the same time ensure the separation of the composite part. The component expenditure of the device for carrying out the method is thereby further reduced.
  • Claim 15 relates to a measure to ensure the standardized position and the standardized distance between the contact elements.
  • a fixing bridge designed according to claim 16 additionally supports the measures according to claim 15. The contact elements remain fixed in place during the implementation of the method.
  • the design of the fixing bridge according to claim 17 facilitates its integration as part of the connector or coupling socket housing.
  • the connector remains as a moisture-tight unit.
  • the fixing bridge and flat strips are deformed in the same way, so that no additional weak points for possible damage or breaks occur in the finished composite part.
  • the production of the material connection itself is facilitated due to the same material of the fixing bridge and flat strips.
  • the individual supply of a line end area between the two flat strips is superfluous.
  • complex feeding and holding devices for the line end areas can be dispensed with.
  • Such end-to-end line areas favor the mass and flow production of the plug or the coupling socket.
  • the automated manufacture of the plug or the coupling socket is facilitated.
  • Such an alignment of the contact elements and line feeds also saves space when dimensioning the entire production system.
  • the lining up of the line end areas according to claim 19 is thereby facilitated.
  • the supply of the line end regions to the flat strips is additionally improved according to claim 21, the supply of the line end regions to the flat strips without special holding devices.
  • the lined up Line end areas remain reliably in their mutual relative position during the implementation of the method. This supports a trouble-free production process.
  • a particularly space-saving arrangement of line end areas is created during production. This means that a larger number of plugs or coupling sockets can be produced per unit of time. Since the flat strips are preformed according to claim 7 in accordance with the surface shape of the line end regions, the waste or waste of the flat strips is reduced in this way.
  • the arrangement of the fixing bridges according to claim 23 has the effect that the production of the material connection between the flat strips and the line end area is not hindered.
  • the fixing bridges thus have a double function as a holding and fixing means on the one hand and as an integral part of the plug or coupling socket housing on the other.
  • FIG. 1 The process implementation is essentially described with reference to FIG. 1.
  • the illustration in FIG. 1 is limited to the essential functional parts of a manufacturing system for producing a connector.
  • the procedure is explained using a two-pin flat connector 1 (Euro connector).
  • Euro connector two-pin flat connector 1
  • other types of plugs can also be produced, eg multi-pole round or angled plugs with possibly several protective contacts (eg BEN plugs).
  • Coupling sockets can also be manufactured in this way.
  • a line end region 2 (FIG. 3) of a pre-assembled two-wire line 3 is connected to two flat strips 4 in a materially bonded manner.
  • the flat strips 4 extend essentially in a longitudinal direction 5. All rubber-like plastics known for the one-piece connector housing production are suitable as the material for the flat strips 4. After extrusion from an extruder 6, which is only indicated schematically, the flat strips 4 are advanced in the longitudinal direction 5. The two flat belts 4 arranged parallel to one another are temporarily stored in a buffer memory 7, which is also only indicated schematically. The flat strips 4 can also be additionally processed, for example cleaned or coated, in the buffer store 7. After leaving the buffer store, the flat strips 4 each pass into the space between a pressure stamp 8 and an embossing stamp 9. The octagonal stamp 9 has eight stamping surfaces 10. The mutually facing inner sides of the flat strips 4, which act as contact sides 11, in FIG.
  • the pressure stamp 8 is moved in a height direction 12 running perpendicular to the longitudinal direction 5 to the outside 13 of the flat strip 4 opposite the contact side 11.
  • the pressure stamp 8 pressurized with a flat pressure surface 14, the outside 13 of the flat strip 4 in the area of the stamp 9.
  • the stamp 8 and the stamp 9 act on the flat strip 4 in the manner of two clamping jaws.
  • the embossing surfaces 10 are designed in such a way that the contact sides 11 of the flat strips 4 are embossed with a negative relief to the surface shape of the part of the line end region 2 (FIG. 3) to be accommodated by them.
  • the pre-stamped flat strips 4 are moved in the longitudinal direction 5 in the direction of the space between two welding punches 16.
  • the welding stamps 16 face each other with their welding surfaces 17.
  • the welding surfaces 17 are arranged parallel to the flat strips 4.
  • the distance between the two flat strips 4 in the area of the welding stamps 16 is less than during the pre-embossing of the contact sides 11.
  • the line end area is introduced into a space 18 between the two flat strips 4.
  • a total of four line end areas 2 are introduced into the space 18.
  • alternatively effective plug pins 19 and a feed side 20 can be seen as contact elements of the flat plug 1.
  • the longitudinal direction of the line end regions 2 runs essentially perpendicular to the plane of the drawing in FIG. 1.
  • the welding stamps 16, like the pressure stamps 8, are moved in the height direction 12.
  • the flat strips 4 pressurized by the welding punches 16 reduce their mutual distance and embed the line end regions 2 in a form-fitting manner between them due to the pre-embossed contact sides 11.
  • the two welding punches 16 clamp the two flat strips 4 and the line end area 2 between them in the manner of a vice.
  • the welding is then carried out in order to produce a material connection between the flat strips 4 and the line end region 2.
  • the sandwich-like composite part consisting of the layer sequence of flat strip 4 - line end region 2 - flat strip 4 is separated from the remaining region of the flat strips 4 after the welding.
  • the welding surfaces 17 additionally have cutting tools. The cut is made in the vertical direction 12. After the composite part has been separated, the one-piece tab connector 1 is completed.
  • stamping surfaces 10 of two stamping dies 9 can be seen.
  • the embossing surfaces 10 have a rectangular outer contour and are arranged in a plane spanned by the longitudinal direction 5 and a longitudinal line direction 21.
  • the two stamping dies 9 are moved along a lifting direction 22 by holding and lifting devices (not shown).
  • the stroke direction 22 corresponds to the height direction 12 (FIG. 1).
  • the two flat strips 4 are pre-embossed in the direction of the outer sides 13 by a lifting movement of the pressure stamps 8
  • the flat strips 4 in FIG. 2 are embossed in the direction of the contact sides 11 by a lifting movement.
  • pressure parts for generating a counter pressure with respect to the movable embossing dies 9 rest on the outer sides 13 of the flat strips 4, not shown here.
  • the flat strips 4 have a rectangular cross section along the stroke direction 22 and are already pre-embossed as negative reliefs 29 in accordance with the elevations of the embossing surfaces 10. Exactly one half of the volume of the line end region 2 is inserted into the negative reliefs 29 of the flat strips 4 before the welding.
  • the elevations of the embossing surfaces 10 are designed as an image of a volume half of the line end area 2.
  • the two stamping surfaces 10 are constructed identically.
  • the elevations of the two embossing surfaces 10 face away from one another in the stroke direction 22.
  • Each embossing surface has as elevations two volume halves of the line end area 2 lying next to one another in the longitudinal direction 5.
  • the pin reliefs 23 assigned to the connector pins 19 of one volume half and the supply relief 24 assigned to the feed side 20 are the other volume half arranged in the longitudinal direction 5 adjacent. This results in a point-symmetrical structure of the embossing surface 10 in the viewing direction of the stroke direction 22. This configuration of the embossing surfaces 10 reduces the waste of the flat strips 4 and is particularly suitable for symmetrically constructed connectors.
  • the material connection of line end area 2 and flat strips 4 results in strain relief for line 3.
  • the strain relief is further improved by a curved line guide in the area of the feed side 20.
  • the elevations of the embossing surfaces 10 in the area of a strain relief relief 25 are curved.
  • the lines 3 extend essentially along the line longitudinal direction 21. It is arranged perpendicular to the longitudinal direction 5.
  • the line end regions 2 lie in a plane spanned by the longitudinal direction 5 and the line longitudinal direction 21. In the viewing direction of the height direction 12, their arrangement corresponds to the configuration of the embossing surfaces 10 in FIG. 2.
  • Each line end area 2 contains two conductors 26 corresponding to the two-pole flat plug 1.
  • a plug pin 19 is fastened to the ends of each conductor 26 in an electrically contacting manner.
  • the connector pins 19 are arranged in the longitudinal direction 21 of the line.
  • the line 3 is stripped in the area of the feed side 20 up to the ends of the conductors 26.
  • the standardized distance can be established between the two connector pins 19 of a line end region 2.
  • the plug pins 19 are positively locked into a fixing bridge 27.
  • the fixing bridge 27 has rectangular outer contours and extends in the longitudinal direction 5.
  • the fixing bridge 27 is pierced by two cutouts in the longitudinal direction 21 of the cable so that it can form-fit around the outer surface of the plug pins 19.
  • the two fixing bridges 27 in FIG. 3 limit the extension of the line end region 2 in the longitudinal direction 21 of the line.
  • FIG. 4 A total of four lines 3 can be seen in FIG. 4.
  • the alternating arrangement of the line end regions 2 known from FIG. 3 is retained in FIG. 4.
  • the fixing bridge 27 also has rectangular outer contours in FIG. 4, but is lengthened in the longitudinal direction 5 compared to the embodiment in FIG. 3.
  • All plug pins 19 and feed sides 20 are arranged parallel to one another in the longitudinal direction 21 of the line.
  • the notches 28 can facilitate the positive locking of the plug pins 19 and the feed sides 20 into the fixing bridge 27.
  • Each line end area 2 is held by two fixing bridges 27 of the same type.
  • the two fixing bridges 27 are arranged parallel to one another. Their parallel spacing corresponds approximately to the longitudinal plugging of the cable end regions 2 in the longitudinal direction 21 of the cable.
  • each cable end region 2 is held in the region of the plug pins 19 and in the region of the feed side 20 by a fixing bridge 27.
  • the fixing bridges 27 are preferably made of dimensionally stable plastic so that the relative position of the connector pins 19 and the feed side 20 relative to one another is preserved before the welding.
  • FIG. 5 shows an arrangement for establishing a material connection between line end regions 2 and flat strips 4 by means of two welding punches 16.
  • the arrangement of the two line end regions 2 shown in FIG. 5 corresponds to the description in FIG. 3.
  • the contact side 11 visible in FIG. 5 is embossed with four negative reliefs 29. Their design and arrangement correspond to the description in FIG. 2.
  • the two fixing bridges 27 are preferably made of the extruded flat strip material. After welding, they form a material unit with the flat belts 4. For the flat strips 4, such materials are advantageous which have a relatively large surface hardness at ambient temperature, for example after externally protruding conductors 26 are bent in the direction of the plug pins 19 when the welding punches 16 move together and before the molding process associated with softening or liquefying the connector housing material. This prevents such conductors 26 from being able to protrude from the finished plug housing into its circumferential area.
  • the welding surfaces 17 have four shaped recesses 30 corresponding to the surface shape of the finished flat connector housing. Their arrangement corresponds to the arrangement of the four negative reliefs 29.
  • the side walls of the mold recesses 30 running in the longitudinal direction 21 of the line are designed and effective as cutting edges 31.
  • the boundary walls of the form recesses 30, which run in the longitudinal direction 5, are cut out approximately semicircularly, viewed in the longitudinal direction 21 of the line, in order to be able to insert the plug pins 19 or the feed side 20 into the welding punches 16 in a form-fitting manner during the welding.
  • the two welding stamps 16 are moved towards one another in the height direction 12. You clamp the flat strips 4 and the cable end areas 2 between them in the manner of the jaws of a vice. The flat strips 4 are then welded over their entire area to the associated line end regions 2. Any known welding method, for example ultrasonic welding method, is conceivable for this purpose. Full-surface gluing is also possible.
  • the cutting edges 31 separate the finished plug housing from the remaining flat strip material.
  • the outer sides 13 of the flat strips 4 are embossed by the shape recesses 30.
  • the shaped recesses 30 in the exemplary embodiment each have three groove-like embossing depressions 32 which extend in the longitudinal direction 5 and are arranged parallel to one another.
  • the material connection of the flat strips 4 to the line end area 2, the separation of the finished, sandwich-like composite part and the embossing of the outer sides 13 take place in one work step.
  • the parting line between the two flat strips 4 forms the plug pin level.
  • the connector pins 19 or sockets and possibly protective contacts are not necessarily in a common one Level arranged.
  • three or more flat strips 4 are used for carrying out the method. In each case two flat strips 4 then fix at least one plug pin 19 or a socket between them and thus enable the sandwich-like housing structure of a plug or a coupling socket.
  • the two flat strips 4 have a cut surface 33 which extends approximately in the longitudinal direction 21 of the line.
  • the course of the direction of the cut surface 33 corresponds approximately to the course of a side edge of the flat connector 1 in the longitudinal direction 21 of the line.
  • the cut surfaces 33 arise due to the separation of the finished composite parts by the cutting edges 31 during the previous work cycle.
  • Fig. 1 and Fig. 5 it can be seen that the tab 1 is made in a cycle.
  • the use of welding punches 16 with a large number of shaped recesses 30 is advantageous here in order to produce a large number of flat plugs 1 in one work cycle.
  • FIG. 6 shows the manufacture of the tab connector 1 in a continuous production. There is therefore no flow stoppage due to a welding cycle.
  • a plurality of line end areas is arranged in the manner described in FIG. 4 by means of two fixing bridges 27 and is fed in the longitudinal direction 5 to the space between the two flat strips 4.
  • the two flat strips 4 are extruded from two separate, opposing extruders 6 and are first advanced in the height direction 12.
  • Each ribbon 4 is pre-embossed by a pressure roller 34 and an embossing roller 35.
  • Printing roller 34 and embossing roller 35 are each shown in a circle in FIG. 6. While the outer surface of the pressure roller 34 abuts the outer side 13, the outer surface of the embossing roller 35 acts on the contact side 11.
  • Both rollers rotate in the feed direction of the flat strip 4 and can support the movement of the flat strip 4 to the line end regions 2.
  • the outer surface of the embossing roller 35 acts in the manner of the embossing surface 10 (FIG. 1, FIG. 2) and has a large number of relief-like elevations over its circumference.
  • the outer surface of the pressure roller 34 acts in the manner of the pressure surface 14 (FIG. 1).
  • the flat strips 4 are bent approximately in a quarter circle and are then aligned approximately in the longitudinal direction 5. In this area, the flat strips 4 receive the line end area 2 in a form-fitting manner between them.
  • two welding rollers 36 shown in a circle in FIG. 6, act with their outer surfaces on the outer sides 13 of the flat belts 4.
  • the two welding rollers 36 rotate in the longitudinal direction 5.
  • the outer surfaces of the welding rollers 36 have the same function as the welding surfaces 17 (FIG. 5).
  • a plurality of shape recesses 30 and cutting edges 31 are therefore arranged over the circumference of the welding rollers 36.
  • the flat strips 4 are preferably made of transparent material. Damage to the manufacture or use of the flat connector 1, for example wire breaks, can thereby be recognized from the outside.
  • the extruded flat strips 4 can be fed to the line end regions 2 continuously in an endless length. This facilitates the automated manufacture of the tab connector 1.
  • the feed movement of the flat belts 4 only has to be interrupted during the work cycle in a cycle production. This can be done, for example, by the buffer memory 7 (FIG. 1).

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  • Manufacturing Of Electrical Connectors (AREA)

Claims (24)

  1. Procédé de fabrication d'une prise mâle (1) ou d'une prise femelle pour dispositifs de branchement électriques comportant un câble (3) contenant au moins un conducteur (26). dont le domaine d'extrémité de câble (2) contenant au moins un élément de contact (19) est entouré par un boîtier consistant en un matériau isolant coulable ou injectable, présentant les étapes de procédé suivantes:
    - le domaine d'extrémité de câble (2) est inséré dans l'interstice (18) entre deux bandes plates (4) en matériau de boîtier orientées suivant sensiblement le même recouvrement, le câble (3) et ses éléments de contact (19) s'étendant sensiblement à angle droit par rapport à la direction longitudinale (5) des bandes plates (4),
    - les bandes plates (4) sont reliées entre elles par assemblage de matière avec interposition du domaine d'extrémité de câble (2) et
    - l'élement composite en forme de sandwich formé par le domaine d'extrémité de câble (2) et les domaines de bandes plates qui l'entourent est séparé par une section qui s'étend transversalement à la direction longitudinale (5) des bandes plates (4),
    - la liaison par assemblage de matière des bandes plates (4) et la séparation de l'élément composite terminé étant effectuées dans une étape opératoire,
    caractérisé en ce qu'au moins les cotés de contact (11) tournés l'un vers l'autre des bandes plates (4) sont préestampés avec un relief négatif (29) à la configuration superficielle du domaine d'extrémité de câble (2) qu'ils doivent recevoir.
  2. Procédé selon la revendication 1, caractérisé en ce que:
    - la liaison par assemblage de matière des bandes plates (4),
    - la séparation de l'élément composite terminé et
    - un estampage de façonnage de l'élément composite se déroulent dans une étape opératoire.
  3. Procédé selon la revendication 1 ou 2, caractérisé par un soudage par ultrasons en tant que liaison par assemblage de matière.
  4. Procédé selon une des revendications précédentes, caractérisé en ce qu'il est mis en oeuvre en utilisant la chaleur d'extrusion comme chaleur de soudage pour la liaison par soudage ou pour accélérer la prise d'une liaison anhésive sans retard sensible à la suite de l'extrusion des bandes plates (4) d'une extrudeuse (6).
  5. Procédé selon une des revendications précédentes, caractérisé en ce que les bandes plates (4) consistent en matière plastique.
  6. Procédé selon la revendication 5, caractérisé par une transparence de la matière plastique.
  7. Appareil de fabrication d'une prise mâle (1) ou d'une prise femelle pour dispositifs de branchement électriques comportant un câble (3) contenant au moins un conducteur (26), dont le domaine d'extrémité de câble (2) contenant au moins un élément de contact (19) est inséré entre deux bandes plates (4) en matériau isolant orientées suivant sensiblement le même recouvrement et tournées l'une vers l'autre avec leurs côtés de contact (11),
    - une liaison par assemblage de matière entre les bandes plates (4) avec interposition du domaine d'extrémité de cable (2) et
    - une séparation de l'élément composite formé par le domaine d'extrémité de câble (2) et les domaines de bandes plates (4) qui l'entourent des bandes plates (4) et éventuellement
    - un estampage de l'élément composite
    étant réalisées par des outils d'impression mutuellement actifs (8,9,16,34,35,36), caractérisé par un outil de préestampage (9,35) pour le préestampage du côté de contact (11) de la bande plate (4) avec un relief négatif (29).
  8. Appareil selon la revendication 7, caractérisé en ce que les outils d'impression sont des poinçons (8,9,16) agissant en cadence sur les bandes plates (4).
  9. Appareil selon la revendication 8, caractérisé ce que les poinçons sont des poinçons de soudage (16).
  10. Appareil selon la revendication 8, caractérisé en ce que les outils d'impression (8,9,16) réalisent en une phase de travail plusieurs éléments composites voisins.
  11. Appareil selon la revendication 7, caractérisé par des cylindres d'impression (34,35,36) en tant qu'outils d'impression pour la fabrication de la prise mâle (1) ou de la prise femelle en fabrication continue.
  12. Appareil selon la revendication 11, caractérisé en ce que les cylindres sont des outils de soudage par rotation (36).
  13. Appareil selon une des revendications 7-12, caractérisé en ce que chacune des surfaces d'impression tournées l'une vers l'autre des outils d'impression contient au moins un évidement de façonnage (30) destiné à recevoir le domaine d'extrémité de câble (2) et les domaines de bandes plates qui l'entourent, l'évidement de façonnage (30) consistant en:
    - un fond sous forme de surface chauffante (17) pour la liaison par assemblage de matière et
    - en parois latérales sous forme de lames (31) pour la séparation.
  14. Appareil selon la revendication 13, caractérisé en ce que deux évidements de façonnage (30) voisins sont immédiatement contigus et sont séparés l'un de l'autre par la paroi latérale commune sous forme de lame (31).
  15. Appareil selon une des revendications 7-14, caractérisé en ce que, lors de la mise en oeuvre du procédé, plusieurs éléments de contact (19) du domaine d'extrémité de câble (2) situés côte à côte sont maintenus par un pont de fixation (27) à une distance prédéterminée et dans une orientation prédéterminée les uns par rapport aux autres.
  16. Appareil selon la revendication 15, caractérisé en ce que le pont de fixation (27) consiste en matière plastique indéformable.
  17. Appareil selon la revendication 15 ou 16, caractérisé en ce que le pont de fixation (27) consiste en le même matériau que les bandes plates (4).
  18. Appareil selon l'une des revendications 15 - 17, caractérisé en ce que les éléments de contact (19) sont encliquetés par assemblage de forme dans des évidements du pont de fixation (27).
  19. Procédé selon l'une des revendication 15 - 18, caractérisé en ce qu'un pont de fixation (27) saisit et ordonne côte à côte les uns à côté des autres à la manière d'une bande de cartouches les domaines d'extrémité de câble (2) de plusieurs câbles (3).
  20. Procédé selon la revendication 19, caractérisé par une orientation parallèle des éléments de contact (19) et des arrivées de câble (20) des câbles (3) maintenus contigus au pont de fixation (27).
  21. Procédé selon la revendication 19 ou 20, caractérisé en ce que les domaines d'extrémité de câble (2) sont maintenus par deux ponts de fixation (27) sensiblement parallèles et disposés à distance l'un de l'autre.
  22. Procédé selon la revendication 21, caractérisé en ce que les ponts de fixation (27) maintiennent dans leur direction longitudinale (5) les uns derrière les autres et de manière alternée les arrivées de câble (20) et les éléments de contact (19) d'un domaine d'extrémité de câble (2).
  23. Appareil selon la revendication 21 ou 22, caractérisé en ce que la distance entre les deux ponts de fixation (27) correspond sensiblement à la largeur des bandes plates (4).
  24. Appareil selon une des revendications 15 - 23, caractérisé en ce que les ponts de fixation (27) sont reliés par assemblage de matière aux bandes plates (4).
EP93111119A 1992-07-18 1993-07-12 Méthode pour fabriquer des fiches ou douilles pour dispositifs de connexion électrique Expired - Lifetime EP0580053B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4223725A DE4223725A1 (de) 1992-07-18 1992-07-18 Verfahren zur Herstellung von Steckern oder Kupplungsdosen für elektrische Steckvorrichtungen
DE4223725 1992-07-18

Publications (2)

Publication Number Publication Date
EP0580053A1 EP0580053A1 (fr) 1994-01-26
EP0580053B1 true EP0580053B1 (fr) 1997-11-26

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EP93111119A Expired - Lifetime EP0580053B1 (fr) 1992-07-18 1993-07-12 Méthode pour fabriquer des fiches ou douilles pour dispositifs de connexion électrique

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Country Link
EP (1) EP0580053B1 (fr)
DE (2) DE4223725A1 (fr)
ES (1) ES2048701T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19527123A1 (de) * 1995-07-25 1997-01-30 Bosch Gmbh Robert Verfahren zur elektrischen Verbindung zweier elektrischer Bauteile miteinander
US6120327A (en) * 1997-07-22 2000-09-19 Lear Automotive Dearborn, Inc. Foam wire harness with shape memory

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3392070A (en) * 1964-03-05 1968-07-09 Berg Electronics Inc Method and apparatus for sheathing terminals
CA980000A (en) * 1972-05-22 1975-12-16 James Pritulsky Insulating housings for electrical devices
DE2440264C3 (de) * 1974-08-22 1982-02-04 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfarhen zum Anspritzen eines Steckers an eine elektrische Leitung

Also Published As

Publication number Publication date
DE4223725A1 (de) 1994-01-20
DE59307729D1 (de) 1998-01-08
ES2048701T1 (es) 1994-04-01
EP0580053A1 (fr) 1994-01-26

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