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
  • H01R43/052—Crimping apparatus or processes with wire-feeding mechanism
• • 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

Definitions

• the invention relates to a method for attaching a component at the end of a stripped cable, according to the preamble of claim 1, and a method for fully automatic processing of a cable, according to the preamble of claim 7.
• WO 2009/017653 A1 has therefore proposed a device and a method for lowering and positioning lines in a processing station designed as a crimping station of a processing device.
• a servo drive is provided for lowering the gripper with the line end regardless of Crimppressenhub.
• Crimping tool also has a servo drive for the NeedlesstMail- feed, which thus can also be done independently of the crimping press.
• This device makes it possible to start the individual processes one after the other: Precisely advance the contact strip into the crimping position in the
• WO 201 1/004272 A1 discloses a device for lowering and positioning thin lines in one
• Crimping station which comprises a press base frame with a drive, which comprises a press carriage along a central axis with a speed course similar to a sinusoid from a top dead center a bottom dead center and moved back. Furthermore, a central ram arranged parallel to the central axis is provided, which is fastened at one end to a holder, via which the ram is rigidly connected to the press carriage of the crimping station, so that the press carriage and ram move synchronously in a downward stroke.
• a separate gripper with a gripper head and at least one gripper jaw pair, the gripper positions at least one line end of a conductor in one
• Crimping zone of a press carriage arranged on the crimping tool comprising a crimping tool upper part and a crimping tool lower part, in a defined Einschwenkposition for crimping with crimp claws of a contact element.
• at least one leading lowering device is coordinated with or arranged alongside the centering ram
• the gripper head is subjected to a leading edge in relation to the downward stroke of the ram and, with reduced speed, lowered in advance, thereby moving the line end from the swiveling position into a defined crimping position.
• a disadvantage of this line positioning device are the high design complexity, the resulting high production costs and it is difficult to adjust.
• a line positioning device is disclosed in EP 2590275 A1, the lowering of a sprung via at least one spring element pressure piece for resting on the wiring has, wherein the at least one spring element is arranged in a tube.
• the pressure piece is applied by a movement of the lowering device vertically to the longitudinal axis of the recorded in the cable management line directly on the wiring, so that the pressure piece on a top of the line management comes to rest.
• the oscillation of the line guide and the free end of the line projecting out of the line guide can occur both in a horizontal direction and in a direction perpendicular to the longitudinal axis of the line. tion as well as in a vertical direction to the longitudinal axis of the line are prevented.
• the lowering prevents further movements of the line to be processed, which at most could be advantageous or necessary in the processing operation, and also the adjustment to the appropriate position and the conversion to other processing parameters is relatively expensive.
• the positioning should be easily adjustable and adaptable and have high flexibility with respect to the adjustable position of the cable end.
• the invention thus relates to a method for attaching a component, in particular a crimp contact, at the end of a stripped cable, which is improved to solve the problem initially posed.
• a method comprises the steps of: clamping the cable in an axis offset from the axis of the component and with its end external to the component, and inserting the cable into the component by axially moving the cable and moving the axis of the stripped end of the cable in the axis of the component, either simultaneously or in successive steps, and then crimping the component onto the fully inserted cable.
• the axis of the clamped portion of the cable is held stationary and only the stripped end is offset radially with respect to the axis of the clamped portion of the cable in the direction of the component , Only by the fact that the handling of the cable is largely rêt guidance and centering immediately before the crimping tool and the applied contact is a defined and proper lowering of the cable during insertion into the contact reliably possible.
• the gripper or the pivoting and handling unit for the cable in the cable processing system the stripped end of the cable must be introduced only by movement of the cable in the axial direction in a centering unit and the centering then at least loosely closed around the end of the cable. Then, all further positioning movements of the cable end can take place precisely and quickly by the centering unit directly at the cable end and immediately before the cable processing station, in particular the crimping station.
• a preferred embodiment provides that the stripped end of the cable is moved by means of the centering unit radially in the direction of the axis of the crimp contact.
• the cable is subsequently inserted axially or simultaneously with the movement in the direction of the axis of the component into the component.
• An optimal connection between the cable end and the component to be attached by secure fixation of the cable end during the critical connection process is ensured if, according to a preferred embodiment of the method, the stripped end of the cable after insertion into the component and before and during the Aufcrimpens of the compo les through the Centering unit tightly enclosed, preferably at least temporarily clamped, is.
• This is a simple che and rapid adaptation to a variety of parameters of the process and the components used and the properties of the system possible.
• This also makes a method for fully automatic processing of a cable feasible, which comprises stripping an end of the cable and attaching a component to the stripped end of the cable, wherein the cable by means of a pivoting unit of at least one
• Stripping station is transported to at least one crimping station.
• the cable is clamped at least during processing in individual of the stations in the pivoting unit, and the clamped portion of the cable is moved at least during processing in the crimping station exclusively in the axial direction and is kept fixed radially to the cable axis. Only the stripped end of the cable is offset in this embodiment variant of the method for insertion into the component radially with respect to the axis of the clamped portion of the cable in the direction of the component.
• 1 a is an exploded view of a centering unit for use in a method according to the invention
• 1 b a representation of the centering unit, as seen from the side of the handling unit for the cable
• Fig. 1 c is an illustration of the centering unit, seen from the side of a
• FIGS. 2a to 2e show a sequence of steps of a method according to the invention using the example of inserting a cable end into a crimp contact as an example of a component to be attached to the cable end,
• Fig. 3a is an exploded view of another embodiment of a
• FIG. 3b is an illustration of the centering unit of Fig. 3a, seen from the
• Fig. 3c is a representation of the center unit of Fig. 3a, seen from the
• Page for example, a crimping station
• Fig. 3d the area of the opening for Jardineinschwenkung in enlarged
• FIG. 1 shows a centering unit Z for cable ends to be processed, in particular for inserting the ends of thin stripped cables into, for example, crimp contacts, in an exploded view.
• 1 b and 1 c show the centering unit Z in the assembled state once from the direction of an immediately adjacent processing station (FIG. 1 b) or from the direction from which a movement, handling or transport unit for the cable ,
• a pivoting unit with grippers of a cable processing system the cable K can be passed through the centering unit Z to the processing station (Fig. 1c).
• a support frame 1 is fixed by means of support blocks 1 a to a support structure, which storage blocks 1 a define a preferably horizontal axis at the lower end of the support frame 1.
• the storage blocks 1 a are present mounted on a common support for the centering unit Z and the immediately downstream arranged processing station for the cable end, in particular a crimping device with a crimping tool for attaching preferably a contact or plug at the cable end.
• a crimping device with a crimping tool for attaching preferably a contact or plug at the cable end.
• two centering jaws 2a, 2b are held displaceably guided, wherein the preferably concave, in particular V-shaped or triangular-shaped cut cable receptacles of the centering jaws 2a, 2b face each other.
• the centering jaws 2 a, 2 b are fastened or formed on carrier plates 3 a, 3 b, which carrier plates 3 a, 3 b are displaceably guided in the carrier frame 1 in the vertical direction.
• the displacement of the support plates 3a, 3b relative to each other and relative to the support frame 1 is accomplished by a respective linear motor 4a, 4b as a drive means.
• Both linear motors 4 a, 4 b are mounted on a common motor holding plate 5, which is preferably in turn connected to the support frame 1.
• the axes 6a, 6b of the linear motors 4a, 4b are coupled to the carrier plates 3a, 3b, for example, via helical gears or in the form of a worm gear.
• linear motors 4a, 4b are preferably connected to a control unit (not shown) by means of which they can be actuated independently of one another and also directionally independently.
• This control is preferably carried out programmable via a corresponding programmable control unit, which may also be part of the system control, in which the centering unit Z described is involved.
• the carrier plates 3a, 3b and thus also the centering jaws 2a, 2b can be moved independently upwards and downwards in the vertical direction via appropriate programming and control of the linear motors 4a, 4b.
• the centering jaws 2a, 2b can thereby be opened or closed and also moved together and in parallel in one and the same direction.
• the centering jaws 2a, 2b can thus be closed, opened or moved in their "center position.” All these movements can also be programmed overlapping each other, so that, for example, the opening or closing of the centering can also be done simultaneously with the shift of the "center position".
• the support plates 3a, 3b are held on the support frame 1, in order to ensure together with this the leadership of the support plates 3a, 3b and to prevent the ingress of contaminants (see also Fig. 1 b). If the support plates 3a, 3b are alternatively already slidably inserted in guides on the support frame 1, the cover plate 7 serves exclusively to protect the guides and support plates 3a, 3b.
• a vertical slot 8 is formed, through which the end of the cable K to be processed are guided and clamped in the course of attaching a component such as a crimp contact at the cable end of the centering jaws 2a, 2b at any height along the slot or can be performed.
• the centering unit Z could be used in all processing steps, where a special sequence of guidance and / or clamping in different positions of the cable axis is required.
• Fig. 1 b the cable K is also shown.
• the centering unit Z is preferably combined with a crimping device for connecting components to the ends of cables K by means of a crimping process.
• the centering unit Z is preferably in a preferably fixed distance immediately in front of the crimping tool
• the centering unit Z is preferably arranged in that area in front of the crimping device, which is inserted with cable, ie in the process step immediately before crimping the contact or Plug at the cable end directly to the stripped portion of an inserted cable K connects.
• the centering unit Z and the crimping device are preferably mounted with their crimping tool on a common carrier in order to reliably and reproducibly observe the mutual distance and the mutual alignment transversely to the cable longitudinal axis.
• the centering unit Z is preferably mounted pivotably relative to the crimping tool.
• the pivoting is preferably carried out about a horizontal axis on the common carrier, said axis is located in the lower region of the support frame 1, preferably in the region of the lower edge of the support frame 1 extends.
• other positions and orientations of the pivot axis may be provided, for example laterally and vertically on the support frame 1 in order to be able to pivot it away from the crimping device like a door.
• the attachment of the support frame 1 in a preferably vertical or horizontal sliding guide for removal by simply pulling out would be conceivable in a particularly small amount of space while avoiding the space required for the pivoting movement.
• a particularly advantageous application is the centering unit Z described above in a cable processing installation having at least two processing stations, preferably a plurality of processing stations positioned in an at least partially circular arrangement.
• a centering of the cable ends to be processed is required in installations which have at least one stripping station and a crimping device in which contacts or plugs 9 are applied to the stripped cable ends by tying.
• the cable K is positioned in these installations by a moving unit for feeding and retracting one end of a cable to be processed to and from the processing stations.
• This movement unit takes over in the form of a pivoting arm with cable grippers 10 as a clamping device for holding the cable K and the possible pivoting of the end of the cable along the circular Arrangement of processing stations.
• the crimping apparatus as explained above is preferably integrated therein as one of the processing stations of this cable processing equipment.
• the cable end by moving the cable axially and moving the axis of the stripped end of the cable K. placed in the axis of the crimp contact 9, either simultaneously or in successive steps, after which crimping of the crimp contact 9 onto the completely inserted cable K can take place.
• the cable K is axially inserted by means of the gripper 10 in the centering Z, as shown in Fig. 2a.
• the cable end finally projects through the vertical slot 8 and comes with its immediately adjacent to the stripped end longitudinal section between the centering jaws 2a, 2b to lie.
• both centering jaws 2a, 2b are preferably lowered program-controlled, whereby the stripped cable end is lowered to the axis of the crimp contact 9 through, but preferably not yet fully reached.
• the relative spacing of the centering jaws 2a, 2b to one another typically remains the same, but could also be closed further or opened again if necessary.
• Fig. 2d shows, the cable K is in a further step by the grippers 10 and jaws of the pivoting unit axially on the
• Crimp contact 9 pushed towards the axially positionally correct end position. This step can still be followed by a complete lowering of the centering jaws 2a, 2b for the complete coaxial insertion of the cable K into the crimped contact 9, if this coincidence of the axes should not have already taken place completely in the preceding step.
• the crimp contact 9 is crimped onto the stripped end of the cable K.
• the cable K is only guided by the centering jaws 2a, 2b or can be securely held in position by further program-controlled closing of the centering jaws 2a, 2b, even with slight pressure.
• the centering Z can be further developed as shown in Fig. 3a to 3d.
• a recess 1 c is worked out on at least one side.
• On the side of this recess 1 c which is preferably oriented in a direction which encloses a preferably obtuse angle with the direction of movement of the centering jaws 2 a, 2 b is also the support plate 3 b for the upper centering jaw 2 b provided with a recess or at least in this area kept free from any material.
• the cover plate 7 On the side of this recess 1 c, which is preferably oriented in a direction which encloses a preferably obtuse angle with the direction of movement of the centering jaws 2 a, 2 b is also the support plate 3 b for the upper centering jaw 2 b provided with a recess or at least in this area kept free from any material.
• cover plate 7 is also applies to the cover plate 7.
• the direction of the recess 1 c is aligned perpendicular to the preferably vertical direction of movement of the centering jaws 2a, 2b. This allows a simple lateral pivoting of the cable end into the oblong hole 8 of the centering unit Z by means of preferably a pivoting unit of the cable processing system.
• a recess 3c is formed, which preferably corresponds in size to the recess 1c of the support frame 1.
• the cable K (as in the enlarged section of FIG 3d is clearly visible) are laterally pivoted into the area between the open centering jaws 2a, 2b and transverse to the cable longitudinal axis.
• 3a, 3b support plates of the centering jaws

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• 2015
  • 2015-12-04 CN CN201580065910.0A patent/CN107005016B/zh not_active Expired - Fee Related
  • 2015-12-04 KR KR1020177018121A patent/KR20170088990A/ko unknown
  • 2015-12-04 KR KR1020177018123A patent/KR20170088991A/ko unknown
  • 2015-12-04 WO PCT/IB2015/059356 patent/WO2016088091A1/de active Application Filing
  • 2015-12-04 JP JP2017530084A patent/JP2017536684A/ja active Pending
  • 2015-12-04 CN CN201580065824.XA patent/CN107005015B/zh not_active Expired - Fee Related
  • 2015-12-04 WO PCT/IB2015/059345 patent/WO2016088088A1/de active Application Filing
  • 2015-12-04 CH CH00729/17A patent/CH712088B1/de not_active IP Right Cessation
  • 2015-12-04 CH CH7282017A patent/CH712087B1/de unknown
  • 2015-12-04 JP JP2017530076A patent/JP2017538268A/ja active Pending

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