EP0562229B1 - Pince de sertissage pour extrémités des fils - Google Patents

Pince de sertissage pour extrémités des fils Download PDF

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Publication number
EP0562229B1
EP0562229B1 EP93100823A EP93100823A EP0562229B1 EP 0562229 B1 EP0562229 B1 EP 0562229B1 EP 93100823 A EP93100823 A EP 93100823A EP 93100823 A EP93100823 A EP 93100823A EP 0562229 B1 EP0562229 B1 EP 0562229B1
Authority
EP
European Patent Office
Prior art keywords
pliers
crimping
drum
crimping drum
lever
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
EP93100823A
Other languages
German (de)
English (en)
Other versions
EP0562229A3 (en
EP0562229A2 (fr
Inventor
Hartmut Schmode
Ulrich Wiebe
Siegfried Storm
Detlev Hetland
Bernd David
Hans-Joachim Kornfeld
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP0562229A2 publication Critical patent/EP0562229A2/fr
Publication of EP0562229A3 publication Critical patent/EP0562229A3/de
Application granted granted Critical
Publication of EP0562229B1 publication Critical patent/EP0562229B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R43/042—Hand tools for crimping
    • H01R43/045—Hand tools for crimping with contact member feeding mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • 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
    • Y10T29/5151—Means comprising hand-manipulatable implement
    • 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
    • Y10T29/53222—Means comprising hand-manipulatable implement
    • Y10T29/53226—Fastening by deformation

Definitions

  • the invention relates to pliers for processing conductor ends.
  • DE-A-2 149 167 is a toggle lever pliers with linear working path for pressing, punching, separating known, especially for the manufacture of non-releasable electrical cable connections, sleeves, chokes and end connections.
  • the pliers hop this Knee lever pliers are made of flat, flat shaped plates formed in their position to each other through them penetrating pins, bolts, screws or Rivets are secured.
  • a pair of pliers with an axially displaceable crimping drum is already in EP-A-0 540 880 and in German patent application DE-D-59 204 908 of the same patent family, which were published after the priority date of the present application.
  • These pliers contain two relative to each other movable handles, several processing stations for processing the conductor ends and a drive device via which when actuated the handles the processing stations can be driven.
  • processing stations is at least one as axially displaceable and rotatably mounted crimp drum, which is axially displaced Position via only one machining operation with the drive device detachable and in this position via a radially protruding from it Flange is lockable.
  • the invention has for its object the pliers so that they further improve operational reliability having.
  • conductor ends in different Edit way taking individual editing functions of the pliers are selectable, directly through the sequence of movements during the machining process. At least there is the crimping station with the help of a conductor end to be machined with the drive device detachable. The coupling of the crimping station with the drive device takes place immediately in the course of the movement of the conductor end or using the wire end itself, so that no more from the user Adjustment processes need to be carried out. With the pliers are therefore several processing stations that can be driven by the drive device available, but not all of them are permanent with the Movement of the handles are driven by the drive device. At least the crimping station remains as long as the drive device uncoupled until it is actually needed.
  • the flange extends over the entire circumference of the crimping drum, wherein at least one recess is made in the flange.
  • a fixed on the pliers body and radially opposite the flange The locking nose engages in the non-shifted axial position the crimp drum into the recess and up to near the surface of the Crimp drum inside, while the locking nose when axially shifted and the rotated position of the crimping drum to lie over its outer surface comes and engages behind the flange.
  • this flange In contrast to the conventional design, in which the flange is through radially protruding tabs is formed, this flange now pulls over the entire circumference of the crimping drum so that it has a larger mechanical Has strength. It can no longer bend so quickly that a significantly longer life of the crimping drum and thus of the entire forceps.
  • the locking lug engages radially in the recess and is stationary on Pliers housing arranged. You can in a simple manner if necessary be replaced as they are wear or spare parts right from the start has been designed. The corresponding pliers were able to do this Locking walls cannot be replaced. They were unsolvable attached to the pliers housing.
  • the locking nose can preferably in the pliers according to the invention engage positively in the mentioned recess around the crimping drum to position exactly in the idle state with regard to their rotational position. In any case, the locking nose only engages so far in the recess a that they with axial displacement of the crimp drum and after subsequent Rotation of the crimp drum still over its outer surface reached. The locking nose does not prevent the crimp drum from rotating hindered if this has been moved axially.
  • dies can be attached to the circumference of the crimping drum of contact elements to be crimped with different cross-sections are, e.g. B. for crimping ferrules, and a corresponding number of recesses in the flange, each of which one is assigned to a die and at a predetermined distance from it lies.
  • the recesses in the flange can open into further recesses, which are on the circumference of the crimping drum and at a predetermined distance to a die, the distance being selected so that a Crimp stamp is inserted into the further recess if that assigned die is in the loading position.
  • the recess for the Leave the locking nose and the other recess for the crimping stamp generate themselves in one operation, which increases the manufacturing costs the crimp drum.
  • the locking lug is connected in one piece with a bracket that extends into the crimping position the crimping drum is guided and there close to its outer surface lies.
  • This bracket allows a contact element to be crimped on position securely when it is in a die that is in the crimping position has been conducted. Crimping on a contact element A conductor end can then be made even more precisely, which leads to greater operational reliability the pliers are leading.
  • the locking lug and the retaining bracket are spaced from two and parallel bars carried parallel to the Crimp drum axis run and are attached to the pliers housing.
  • One end of the parallel rods is in prepared openings inserted, which are located in the side of the pliers housing.
  • the locking nose load-bearing rod is also at the other end of the rod in the pliers housing stored.
  • An exchange of locking lug and retaining bracket leaves accomplish this in a particularly simple manner.
  • Through the two parallel rods is also a rotation lock of locking nose and retaining bracket received, resulting in exact positioning of these two elements leads.
  • the bars also create a certain Preload for the retaining bracket if one is in a die
  • Contact element is guided into the crimping position and in the radial direction presses against the bracket on the outside. The contact element is thereby fixed particularly securely in the die, regardless of the cross-sectional size of the contact element.
  • the locking nose can according to a further advantageous embodiment of the Invention in one piece with a protruding from the pliers housing Adjusting lever must be connected to unlock or turn the crimping drum to be able to, if it is in its normal state, so not axially displaced or not coupled to the drive device is. If the adjusting lever is actuated, the locking lug becomes out of the recess led out in the flange of the crimping drum, so that now a desired Can be brought into the loading position, namely by turning the crimping drum by hand.
  • Locking lugs, retaining brackets, rods and adjusting levers are preferred formed by a single molded plastic part, which is particularly inexpensive can be produced so that it is preferred as a wear element lets use.
  • the Transport plate away from the crimping drum and transported back to it, the next time the transport lever is transported back Takes contact element and pushes it into the die, the now in the loading position.
  • the transport lever is relatively stable or consists of a stiff arm, so that a perfect transport the contact elements or ferrules in the direction of the crimping drum is guaranteed.
  • the compression spring can, for. B. surround a mandrel helically, which with the transport lever is firmly connected and protrudes through the transport plate.
  • the compression spring is supported on the one hand on the underside of the transport plate and on the other hand on the transport lever.
  • This pressure stamp prevents contact elements, pressed by the transport lever towards the crimping drum in front of the crimping drum when a die is out the crimping position into the loading position by rotating the crimping drum is returned, but has not yet reached the loading position.
  • the pressure stamp is on one End of a support arm located above the transport plate, the other end of which is mounted on a transverse wall which prevents the movement of the Transport plate limited in the direction of the crimping drum.
  • a locking slide can be arranged above the support arm in order to the support arm to preset the height of the pressure stamp.
  • the location of the pressure stamp perpendicular to the transport direction of the contact elements or ferrules can then be in accordance with the diameter the contact elements or wire end sleeves can be selected.
  • a stripping station that has a swiveling jaw has, which via a between the drive device and movable Clamp jaw knee joint can be driven.
  • this Knee joint can be essentially a pressure-dependent control of the Stripping station realize what a convenient handling of the pliers Consequence.
  • the movable jaw is no longer driven via an element rolling on a control surface of the clamping jaw, see above that no related wear and tear can occur.
  • a pulling element can be driven via a knee lever of the knee joint, connected to the cutting and stripping jaws in the clamping jaws are used to cut and strip the conductor insulation.
  • the toggle lever can directly against an extension of the tension element beat, over which the tension element is also guided in the pliers housing. The tension element therefore does not need an additional drive attachment to be provided.
  • the one connected to the movable jaw Toggle lever on a lateral pin which is in a guideway of the Pliers body is guided.
  • This guideway is in the direction of rear end of the pliers curved so that the movable jaw The stripping station opens when the pin opens the rear part of this Leadership reached.
  • the pliers can also have additional processing stations have, for example a cutting station for cutting Ladders.
  • this cutting station does not necessarily have to be via the drive device are driven.
  • the cutting device of the Cutting station can also be attached directly to the handles.
  • the pliers 1 according to the invention have a one-piece, hollow pliers body 2, the rear part by one upper and immovable handle 3 is formed.
  • the front part of the Pliers body 2 is in the form of a fixed jaw 4.
  • a lid 5 of the pliers body 2 is pivotable about an axis 6, so that the inside of the pliers body 2 from the upper side of the pliers 1 ago is accessible.
  • a bearing pin 7 is in the lower area of the pliers body 2 a movable jaw 8 pivotally mounted. It is fixed Jaw 4 opposite.
  • a knee joint with a first knee lever 9 and a second toggle lever 10 serves to drive the movable Clamping jaw 8 and acts on it in an area that supports the bearing journal 7 protrudes to the rear. The knee joint will be detailed later described.
  • a lower handle 11 of the pliers 1 is in one piece with a drive part 12 connected, the drive member 12 by means of a journal 13 on Pliers body 2 is pivotally mounted.
  • the lower handle 11 is thus via the drive part 12 and the pivot pin 13 pivotable on the body of the pliers 2 held so that a relative movement between the lower handle 11 and upper handle 3 is possible.
  • a tension spring 14 engages above of the journal 13 on the drive part 12 and on the other hand with the pliers body 2 connected at a point which is in the direction of the upper Handle 3 lies. With the help of the tension spring 14 is the lower Handle 11 turned clockwise around the journal 13, see above that the tension spring 14 tries to keep the handles 3 and 11 in spread Hold position.
  • a short row of teeth or a tooth gap 15 at the rear end of the drive part 12 works together with a spring-loaded and in the pliers body 2 rotatably mounted locking hook 16 as a lock against early Opening the pliers 1.
  • the crimping lever 19 is operated with the aid of the drive part 12 driven while the drive member 12 for rotation the crimping drum 18 ensures, with the aid of a transport lever 20, which can be seen in FIGS. 4, 6 and 12.
  • the drive part 12, the knee joint 9, 10 and the transport lever 20 form a drive device 21.
  • the upper handle 3 is 3rd formed hollow and has a in its lower region Floor 3a, which is laterally connected to the walls of the handle 3.
  • the bottom 3a also extends out of the handle 3 into the body of the pliers 2 into and is guided up to the crimping station 17.
  • the upper handle 3 and the lid 5 cavity formed contact elements can be saved with wire ends too are crimped, for example wire end sleeves 22, which are chained together in a band are. You will find one near the crimping station 17 storage and transport station 23 positioned on the floor 3a the crimping station 17 supplied.
  • the cross-sectional shape of the lower handle 11 is closer shown. It is a cross section along the line BB in Fig. 1.
  • the lower handle 11 is towards the upper Handle open and essentially U-shaped.
  • Cutting jaws 24, 25 are integrally connected to an elongated tension element 26.
  • Cutting jaws 24, 25 and tension element 26 can, for. B. made of plastic be.
  • the upper cutting jaw 24, which on the fixed jaw 4th (see Fig. 1) bears an adjustable end stop 27 for a stripped Conductor end 28.
  • the end stop 27 is in a longitudinal slot 29 can be moved by clamping. Point to sides facing each other the cutting jaws 24 and 25 in the front area of the knife 30 and 31 to cut the insulation of the conductor end.
  • the lower one Cutting jaw 25, which is flexible or pivotable in its rear area connected to the upper die 24 is moved by the movable Clamping jaw 8 out.
  • the movable jaw 8 rotates the trunnion 7 clockwise around, so on the one hand, the end of the conductor 28 clamped between the jaws 4 and 8, while on the other hand the cutting jaws 24 and 25 are also moved towards one another, so that the knives 30 and 31 cut the insulation of the conductor end 28 can.
  • the movement of the lower jaw 8 and thus also the lower cutting jaw 25 thus takes place by driving the knee joint 9, 10, as will be explained.
  • the knee joint 9, 10 also serves for the longitudinal displacement of the Cutting jaws 24 and 25 towards handles 3 and 11.
  • the upper and lower cutting jaws 24 and 25 are in one piece connected to the elongated tension element 26.
  • This tension element 26 has two horizontal transverse arms 32 and on opposite sides 33, which are guided in opposite longitudinal slots 34 (Fig. 1) are located in the side area of the pliers body 2.
  • the horizontal cross arms 32 and 33 can be rectangular or have a round cross-section. In the case of a rectangular one Cross-section is a rotation of cross arms 32 and 33 in the longitudinal slots 34 not possible.
  • the horizontal cross arms 32 and 33 are pressed together the handles 3 and 11 acted upon by the knee joint 9, 10 to move elongated tension element 26 to the rear, which is discussed in more detail becomes.
  • elongated tension element 26 At the rear end of the elongated tension element 26 is one behind top eyelet 35. In this eyelet 35 engages a spring F, the other End is connected to a pin S, which in turn on the drive part 12 is attached. Releases the knee joint 9, 10, the transverse arms 32 and 33, the elongated tension element 26 becomes so by the elastic force of the spring F. and with it the cutting jaws 24 and 25 back towards the front the pliers moved. That from upper and lower cutting jaw 24 and 25 and elongated tension element 26 existing component can simplicity also be referred to as an elongated tension element.
  • the knee joint 9, 10 consists of the first toggle lever 9 already mentioned and the one already mentioned second toggle lever 10.
  • the first toggle lever 9 has at its lower end a bead 9a which in the rear part of the movable clamping jaw 8 is rotatably mounted.
  • the second toggle lever 10 has in its upper Part of a bead 10 a, which in a bearing 36 of the drive part 12 is rotatably mounted.
  • Both toggle levers 9, 10 can be rotated via a pin S ' connected with each other.
  • the toggle lever 9, 10 is therefore between the drive part 12 and the rear end of the movable jaw 8, the protrudes the journal 7 towards the rear end of the pliers.
  • the bearing 36 is in a position that is related to the Bearing pin 13 is moved in the forward direction of the pliers 1.
  • the cross arms 32 and 33 are by a Stop surface 9b of the first toggle lever 9 carried and in the direction moved to the rear end of the pliers, and with them also the cutting jaws 24 and 25.
  • a Pin 9c On the outer side of the first toggle lever 9 is a Pin 9c in a guide path, not shown, on the inside of the pliers housing is guided. This guideway is in the rear end so curved that the jaws open again when the pin 9c this reached the rear end of the guideway. The stripped wire end can then be removed from the pliers mouth.
  • the handles 3 and 11 are released again, they can due to the tensile force of the spring 14 remove from each other again on the one hand, the drive part 12 is rotated clockwise around the bearing journal 13, so that the knee joint 9, 10 stretches again.
  • the elongated tension element 26 due to the action of the elastic Spring 35 moved forward. This continues until a lower approach 10b of the second toggle lever 10 from behind against the first toggle lever 9 beats.
  • the drive part is integral with the front part of the lower handle 11 12 connected, as already explained.
  • the drive part 12 has two parallel wall areas 12a and 12b, each form the extensions of the side walls of the lower handle 11 and can also be cross-stiffened with each other. Openings 37 in the front side walls of the lower handle 11 are used to hold the pin S for fastening the spring F.
  • the tooth gap 15 is only present on the right wall element 12b.
  • FIG. 6 shows that an opening 13a in the left wall element 12a is available for the journal 13 and the bearing 36 for receiving the one end 10a of the second toggle lever 10.
  • openings 38 for fastening the tension springs 14 intended.
  • the right wall element 12b is also located on the outside thereof a pin 41 (see FIG. 12) which fits into an angled guideway 42 engages at the end of a transport lever 20.
  • This transport lever 20th provides the coupling between the drive part 12 and the crimping drum 18 shows how to run.
  • a counter bearing 43 for receiving a to recognize the cutting conductor.
  • This counter bearing 43 works together with a knife 44 (Fig. 1), which in the area of the counter bearing 43 is performed or this crosses when the handles 11 and 3 are pressed together become.
  • Fig. 1 is a conductor to be cut with provided with the reference numeral 45.
  • the knife 44 can, for example be attached to the inner side wall of the pliers body 2. It covers up a slot 46 in the side wall into which the conductor can enter.
  • the crimping drum 18 is in the upper front Area of the pliers body 2 stored.
  • the crimp drum 18 is one Axis 18a rotatable, on opposite side walls of the pliers body 2 is attached.
  • the axis 18a runs practically perpendicular to the Pliers level.
  • the crimping drum 18 is on this axis 18a can also be shifted by a certain amount in the axial direction, whereby it is biased forward in the axial direction by means of spring force, that is looking at Figs. 1 and 4 from the paper plane.
  • FIG. 4 show a top view of the front of the crimping drum 18.
  • the crimp drum 18 has on its circumference a plurality of dies 47, 48, 49 running in the axial direction, as shown in particular in FIG. 8. These dies 47, 48 and 49 are suitable for holding contact elements to be crimped with the conductor ends, which can be end sleeves, for example.
  • the dies 47, 48, 49 can be of different sizes to different sizes Use ferrules for conductors with different cross-sections to be able to.
  • the dies 47, 48, 49 are preferably on the circumference the crimping drum 18 arranged at equal angular intervals.
  • the crimping drum 18 instructs on its rear side a radially protruding circumferential flange 52 which is present in the entire circumferential area and only through recesses 51 is interrupted, which on the surface of the crimping drum 18 run in their axial direction.
  • Each die 47, 48, 49 is one assigned to these recesses 51, which in the figures mentioned in Clockwise in front of the respective die.
  • the distance between dies and assigned recess is chosen so that the Recess is in the crimping position when the assigned Die is in the loading position.
  • Fig. 8 z. B the direction of insertion for a conductor in the crimping drum 18 represented by the arrow E.
  • Insertion direction E taper the dies and are through the back Circumferential flange 52 closed.
  • the recesses 51 have the Purpose to include a crimp stamp when the respective die is in the loading position, as will be described.
  • the locking element 50 has a locking nose 50a, a bracket 50b, two parallel Rods 50c and 50d and an adjusting lever 50e. All elements 50a to 50 e are integrally connected to each other and consist, for. B. made of plastic.
  • the locking element 50 is best in FIGS. 4, 6 and 7 to recognize.
  • the two parallel rods 50c and 50d which are parallel to the axis 18a of the crimping drum 18 are at the same end each firmly inserted in corresponding recesses, which are located on the inner side wall of the pliers housing 2 are.
  • the locking nose 50a With the rod 50c at this end the locking nose 50a is connected, which in one of the recesses 51 engages, specifically in the area of the peripheral flange 52, when the crimping drum 18 does not move in the rest position or axially Position.
  • the locking nose 50a only engages so far in the Recess 51 that its tip is no deeper than the lateral surface of the Crimp drum 18 comes to rest.
  • the crimping drum can 18 can therefore no longer be rotated, since the locking nose 50a in the Circumferential movement path of the circumferential flange 52 lies.
  • the crimp drum 18 is thus locked, with a die, here die 47, in the loading position.
  • the adjusting lever 50e can be operated, such that the locking lug 50a out of the path of the peripheral flange 52 is unscrewed around the rod 50c serving as an axis.
  • Now lets the crimp drum 18 rotate, by hand and over a corresponding Opening in the pliers housing 2. Is another die in the Has been brought into the loading position, the locking nose 50a then snaps back into place a corresponding recess 51.
  • the rod 50c is also on their other end stored in the pliers housing 2 while the rod 50d is not held in the pliers housing at this end.
  • the bracket 50b is also attached to both rods 50c and 50d, which runs below the crimping drum 18 and into the crimping position is introduced.
  • the bracket 50b is located on that of the locking lug 50a rod end facing away.
  • the tip of the bracket 50b comes to lie to the side of a crimp stamp to be described and near the circumference of the crimping drum 18. If one is in a die lying wire end sleeve by rotating the crimping drum 18 in the Guided crimping position, it is radial there with the help of the bracket 50b pressed into the die and thus fixed, so that a perfect Crimping can take place.
  • the bracket 50b is also supported on the rod 50d, making it elastic is resiliently biased towards the crimping drum 18.
  • the locking nose 50a and the bracket 50b are therefore at different ends the handrail 50c.
  • the rods 50c and 50d can be different Have cross-section. The first one can round one Cross-section, while the latter have a square cross-section can own.
  • the peripheral flange 52 also shifts relative to the locking lug 50a, so that when the crimping drum 18 rotates, the locking nose 50a above the lateral surface of the crimping drum 18 and laterally to the peripheral flange 52 comes to rest. Since the locking nose 50a in the axial direction of the Crimp drum 18 is firmly positioned, the latter is now in the axial direction fixed in its axial position by the locking lug 50a, since the peripheral flange now 52 is pressed against the side of the locking lug 50a. First when the crimping drum 18 has been turned back to its original position the locking lug 50a comes back into the area of the recess 51, so that now the crimping drum 18 axially forward into the starting position can move back.
  • the crimping drum 18 On the back of the crimping drum 18 there are axially extending projections 54 at a predetermined angular distance from the dies 47 to 49, as best shown in FIGS. 8 and 9. If the crimping drum 18 is displaced axially in the direction of arrow E by inserting a conductor end into a die 47 to 49, one of the projections 54 also comes into engagement with a vertical slot 55 at the other end of the transport lever 20. It is shown in FIG. 12. Since the crimping drum 18 is now locked in its rear axial position by the crimping nose 50a, the crimping drum 18 can now be rotated by means of the drive part 12 via the transport lever 20.
  • the crimping drum 18 when the handles 3 and 11 are pressed together and during the subsequent spreading process, there is a movement of the crimping drum 18, in which a die is first rotated from the loading position into the crimping position and then rotated back into the loading position.
  • three dies are provided for contact elements or wire end sleeves.
  • the respective dies can accommodate wire end sleeves for cross-sectional sizes of 0.5 / 0.75 or 1 / 1.5 or 2.5 mm 2 . So that the conductor end can follow the rotary movement of the crimping drum 18, there is a corresponding circular segment-like slot on the wall of the pliers body 2.
  • Fig. 12 shows the detailed structure of the transport lever 20. It exists from a key-shaped plate that is on its front End has the vertical slot 55 and one at its rear end angled guide slot 42, the opening angle to the vertical slot 55 is directed.
  • the transport lever 20 can between Back wall of the pliers body 2 and the rear side of the wall element 12b.
  • the crimping lever 19 carries a crimping stamp 56, which is appropriately introduced to an element to be crimped when this is brought into the crimping position by the crimping drum 18 has been.
  • the crimping lever 19 has at its lower end a bearing device 57, via which it can be pivoted in the pliers body 2 is stored.
  • the bearing device 57 can, for example, be a reinforced one Be hollow cylinders through which an axis A passes (FIGS. 4, 6 and 7) which is attached to the pliers body 2.
  • the crimping lever 19 is then pivotable about this axis A.
  • This Transport device which is provided with the reference numeral 23, has a transport plate 58 on the crimp drum 18 to and from the Crimp drum 18 is movable away.
  • a transport lever 59 On the lower side of the transport plate 58 is a transport lever 59, which is on the crimping drum 18 pointing end a gripping between the ferrules Approach 59a has.
  • a compression spring 61 At its other end is the transport lever 59 hinged to the transport plate 58, between the Transport plate 58 and the transport lever 59, a compression spring 61 is present is that spreads both elements.
  • the compression spring 61 surrounds a mandrel 62 helical (see Fig.
  • Compression spring 65 is supported on the one hand on an extension 67 of the extension 64 and on the other hand on a transverse wall 68 through which the extension 64 runs through, as can be seen in FIG. 7.
  • This transverse wall 68 is firmly mounted in the upper handle 3.
  • the transport device 23 is on Lid 5 mounted so that when you lift the lid 5 with raised becomes.
  • the transport plate 58 can in lateral guideways in the Be stored inside the lid side walls.
  • FIG. 14 and 15 show the structure of the upper handle 3 in detail Area of its front end.
  • a locking slide 70 On its top is a locking slide 70 arranged towards the front and rear pliers end is movable.
  • On the underside of the locking slide 70 is a shoulder 71 molded in one piece, which has an inclined guide groove 72.
  • This guide groove 72 extends in the longitudinal direction of the handle 3 and down towards the front end of the pliers.
  • the two legs 76a and 76b on the Wire end sleeves 60 are prepared and act on them.
  • the locking slide 70 so be moved so that the pressure stamp 76 on the wire end sleeves 60th comes to rest to prevent them from being in the area immediately in front of the crimping drum 18 due to the pushing pressure of the transport lever 59 rearing up.
  • the transport lever 59 of the transport device 23 comes between the Legs 76a and 76b of the pressure stamp 76 to lie, the Transport device 23 is located directly below the support arm 74.
  • the Legs 76a and 76b of the stamp 76 can have different lengths be around the wire end sleeves 60 in the area of their metallic sleeve and in the area of their insulation ring, in these areas different diameters are available. If the cover 5 the support arm 74 is also raised. Now ferrules can be refilled.
  • the operation of the pliers 1 during crimping is described in more detail below. If a conductor end is inserted into the die 47 which is in the loading position, the crimping drum 18 is thereby displaced axially to the rear, against a spring force. In the process, the peripheral flange 52 reaches an axial position which is displaced with respect to the locking lug 50a. At the same time, the projection 54, which is assigned to the die 47 in the loading position, engages with the vertical slot 55 of the transport lever 20. If the handles 3 and 11 are now moved towards one another, the peripheral flange 52 comes behind the locking lug 50a, so that thus the axial position of the crimping drum 18 is locked. At the same time, the die 47 moves from the loading position towards the crimping position.
  • the transport lever 20 is in the direction moved to the crimping drum 18 because the pin 41 in the upper region the angular guide 42 is located. That means that first a rotation of the crimping drum 18 by the movement of the transport lever 20 takes place.
  • the die 47 comes in from the loading position the crimping position before the crimping lever 19 rotates. While the time in which the crimping drum 18 moves the aforementioned distance rotates, the pin 40 moves within the angular guide 39 only in the horizontally lying branch, so that the crimping lever 19 during movement the drive part 12 is initially not taken.
  • the transport lever is now 20 moves back and forth while the crimping lever 19 is pivoted about its pivot axis A.
  • the crimp stamp 56 is thus always moved into the crimping position, even if the die is in the Loading position should be. In order to damage the To avoid crimping drum 18, this has the existing in your surface Recesses 51 on, as already mentioned. These recesses are in the crimp position when the associated die is is in the loading position. The crimp stamp 56 can therefore also last carry out its full movement.

Claims (16)

  1. Pince destinée au traitement des extrémités de fils conducteurs, comprenant : deux poignées (3, 11) mobiles l'unE par rapport à l'autre, plusieurs stations de traitement destinées au traitement des extrémités de fils et un dispositif d'entraínement (21) par l'intermédiaire duquel, à l'actionnement des poignées (3, 11), les stations de traitement sont susceptibles d'être entraínées, stations dont l'une est conçue en forme de tambour de sertissage (18), qui est monté susceptible de se déplacer dans le sens axial et de tourner et qui, dans la position déplacée dans le sens axial, est susceptible d'être couplé avec le dispositif d'entraínement (21) au cours d'un seul processus de traitement et d'être bloqué dans cette position par une collerette (52) qui fait saillie dans le sens radial sur ledit tambour de sertissage, dans laquelle pince :
    la collerette (52) s'étend sur toute la périphérie du tambour de sertissage (18),
    au moins un évidement (51) est réalisé dans la collerette (52), et
    il est prévu un taquet de blocage (50a), qui est monté en position fixe sur le corps de pince (2) et est situé dans le sens radial en face de la collerette (52), et qui, lorsque le tambour de sertissage (18) n'est pas en position axiale déplacée, pénètre dans l'évidement (51) de telle sorte que sa pointe ne soit pas enfoncée plus profondément que la surface d'enveloppe du tambour de sertissage (18), et qui, lorsque le tambour de sertissage (18) est en position déplacée dans le sens axial et en rotation, vient se placer sur la surface d'enveloppe du tambour de sertissage et accroche par l'arrière la collerette (52).
  2. Pince selon la revendication 1, caractérisée en ce que le tambour de sertissage (18) comporte à sa périphérie une pluralité de cavités (47, 48, 49) destinées à recevoir des éléments de contact (22, 60) à sertir de tailles différentes, ainsi qu'un nombre correspondant d'évidements (51) réalisés dans la collerette (52), et dont chacun (51) est respectivement associé à une cavité (47, 48, 49).
  3. Pince selon la revendication 1 ou 2, caractérisée en ce que les évidements (51) réalisés dans la collerette (52) débouchent dans d'autres évidements (51), qui sont situés à la périphérie du tambour de sertissage (18) et à une distance prédéterminée d'une cavité (47, 48, 49).
  4. Pince selon la revendication 1, 2 ou 3, caractérisée en ce que le taquet de blocage (50a) est relié monobloc à un étrier de retenue (50b), qui est guidé jusque dans la position de sertissage du tambour de sertissage (18) et y est disposé à proximité de la surface d'enveloppe du tambour.
  5. Pince selon la revendication 4, caractérisée en ce que le taquet de blocage (50a) et l'étrier de retenue (50b) sont portés par deux barres (50c. 50d) parallèles entre elles et situées à distance l'une de l'autre, et qui sont parallèles à l'axe (18a) du tambour de sertissage et sont fixées sur le corps de pince (2).
  6. Pince selon l'une des revendications 1 à 5, caractérisée en ce que le taquet de blocage (50a) est relié monobloc à un levier de réglage (50e) qui fait saillie hors du corps de la pince (2).
  7. Pince selon la revendication 6, caractérisée en ce que le taquet de blocage (50a), l'étrier de retenue (50b), les barres (50c, 50d) et le levier de réglage (50e) sont réalisés en une seule pièce en matière synthétique moulée par injection.
  8. Pince selon la revendication 1 ou l'une des revendications suivantes, caractérisée en ce que qu'un dispositif de transport (23) commandé par le tambour de sertissage et destiné à acheminer des éléments de contact (60), reliés les uns avec les autres et en forme de bande, vers une cavité (47, 48, 49), est muni d'un levier de transport (59) dont l'extrémité orientée vers le tambour de sertissage (18) comporte un prolongement (59a) qui s'engage entre les éléments de contact (60), et dont l'autre extrémité est montée de manière articulée en dessous d'une plaque de transport (58), un ressort de compression (61) étant disposé entre la plaque de transport (58) et le levier de transport (59) pour écarter ces éléments l'un de l'autre.
  9. Pince selon la revendication 8, caractérisée en ce que le ressort de compression (61) est monté en forme d'hélice autour d'une broche (62), qui est reliée rigidement au levier de transport (59) et passe à travers la plaque de transport (58).
  10. Pince selon la revendication 8 ou 9, caractérisée en ce que, dans la partie de l'extrémité du levier de transport (59) orientée vers le tambour de sertissage (18), est monté un tampon de pressage (76) qui exerce une pression vers le bas sur les éléments de contact (60).
  11. Pince selon la revendication 10, caractérisée en ce que le tampon de pressage (76) est fixé à une extrémité d'un bras de support (74) disposé au-dessus de la plaque de transport (58), et dont l'autre extrémité est logée contre une paroi transversale (68), qui limite le déplacement de la plaque de transport (58) en direction du tambour de sertissage (18).
  12. Pince selon la revendication 11, caractérisée en ce qu'un coulisseau de blocage (70) est monté au-dessus du bras de support (74), afin de prérégler la position en hauteur du tampon de pressage (76) par l'intermédiaire du bras de support (74).
  13. Pince selon la revendication 12, caractérisée en ce que, sur la face inférieure du coulisseau de blocage (70), est fixée un prolongement (71) muni d'une rainure de guidage (72) oblique, dans laquelle s'engage un téton (73) fixé au bras de support (74).
  14. Pince selon la revendication 1 ou l'une des revendications suivantes, caractérisée en ce que, parmi les postes de traitement, l'un d'entre eux forme un poste à dénuder, qui comporte une mâchoire de serrage pivotante (8) qui est susceptible d'être actionné par une articulation à genouillère (9, 10) disposée entre le dispositif d'entraínement (21) et la mâchoire de serrage mobile (8).
  15. Pince selon la revendication 14, caractérisée en ce qu'un levier coudé (9) de l'articulation à genouillère (9, 10) actionne un élément de traction (32, 33) auquel sont reliées des mâchoires de coupe et des mâchoires à dénuder (24, 25), guidées dans des mâchoires de serrage (4, 8).
  16. Pince selon la revendication 15, caractérisée en ce que le levier coudé (9) relié à la mâchoire de serrage mobile (8) est muni latéralement d'un téton (9c), qui est guidé dans une voie de guidage du corps de pince (2).
EP93100823A 1992-03-24 1993-01-20 Pince de sertissage pour extrémités des fils Expired - Lifetime EP0562229B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4209529 1992-03-24
DE4209529A DE4209529C1 (fr) 1992-03-24 1992-03-24

Publications (3)

Publication Number Publication Date
EP0562229A2 EP0562229A2 (fr) 1993-09-29
EP0562229A3 EP0562229A3 (en) 1996-07-31
EP0562229B1 true EP0562229B1 (fr) 1999-12-01

Family

ID=6454879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100823A Expired - Lifetime EP0562229B1 (fr) 1992-03-24 1993-01-20 Pince de sertissage pour extrémités des fils

Country Status (8)

Country Link
US (1) US5347705A (fr)
EP (1) EP0562229B1 (fr)
JP (1) JPH0828263B2 (fr)
KR (1) KR960013716B1 (fr)
AT (1) ATE187285T1 (fr)
CA (1) CA2092253C (fr)
DE (2) DE4209529C1 (fr)
TW (1) TW198148B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20217733U1 (de) * 2002-11-16 2004-04-01 Weidmüller Interface Gmbh & Co. Crimpzange
DE20310378U1 (de) * 2003-07-05 2004-11-18 Weidmüller Interface Gmbh & Co. Zange mit einer Crimpstation
US6895836B2 (en) 2003-07-05 2005-05-24 Weidmueller Interface Gmbh & Co. Kg Pliers-type handtool having insulation removing means
EP3335795A1 (fr) 2016-12-16 2018-06-20 Eppendorf AG Procédé de dosage de liquide au moyen d'une pipette et d'une seringue et pipette destinée à actionner une seringue pour le dosage de liquides
RU209098U1 (ru) * 2021-08-12 2022-02-01 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") Электрическая клемма

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DE4136302C1 (fr) * 1991-11-04 1993-03-11 Weidmueller Interface Gmbh & Co, 4930 Detmold, De
DE4322856C1 (de) * 1993-07-08 1994-06-09 Weidmueller Interface Zange zum Bearbeiten von Leiterenden
DE4413748A1 (de) * 1994-04-20 1995-11-02 Josef Krampe Zangenartiges Werkzeug zum Verdrillen des teilweise freigelegten Endbereichs eines eine Litze als Ader aufweisenden isolierten Leiters
FR2725650A1 (fr) * 1994-10-13 1996-04-19 Legrand Sa Outil a main pour le sertissage d'un embout de cablage sur l'extremite denudee d'un conducteur electrique, et, eventuellement, pour le denudage prealable de cette extremite
US6805169B2 (en) * 2002-09-30 2004-10-19 Tyco Electronic Corporation Method and apparatus for wire splicing
CN100474722C (zh) * 2004-08-12 2009-04-01 威德米勒界面有限公司及两合公司 具有绝缘层剥除装置的钳子
FR2904733B1 (fr) * 2006-08-04 2008-11-14 Labinal Sa Dispositif de positionnement pour outil de sertissage, et outil de sertissage en etant equipe
EP2182595A3 (fr) * 2008-11-03 2010-10-20 Tri-Star Technologies Chargeur de magasin à contact pour pince portable
CN104009362B (zh) * 2014-05-26 2016-05-18 宁波江丰生物信息技术有限公司 一种基于多股通信线缆集合压制的装置及方法
DE102019117856A1 (de) * 2019-07-02 2021-01-07 Phoenix Contact Gmbh & Co. Kg Magazin zur Verarbeitung von Aderendhülsen und Handwerkzeug zum Verpressen von Aderendhülsen
TWI776650B (zh) * 2021-08-24 2022-09-01 潤弘精密工程事業股份有限公司 用於固定鋁模板之夾鉗工具以及固定鋁模板之方法

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US3170501A (en) * 1961-03-20 1965-02-23 Buchanan Electrical Prod Corp Crimping tool
FR1340563A (fr) * 1961-12-04 1963-10-18 Amp Inc Outil presseur à main pour sertir des connecteurs électriques
US3710610A (en) * 1970-06-05 1973-01-16 Bunker Ramo Wire terminal crimping tool
DE2402187C3 (de) * 1974-01-17 1980-02-07 C. A. Weidmueller Kg, 4930 Detmold Handzange zum Abisolieren von Leiterenden
US4126936A (en) * 1977-09-29 1978-11-28 Koller Joseph A Identification system for point to point wiring
US4774762A (en) * 1987-04-10 1988-10-04 Mcdonnell Douglas Corporation Hand-held automatic power crimper
FR2642233B1 (fr) * 1989-01-20 1991-04-05 Telemecanique Electrique Outil de sertissage a chargement automatique
DE4008515A1 (de) * 1990-03-16 1991-09-19 Zoller & Froehlich Hand-pressgeraet
DE4136302C1 (fr) * 1991-11-04 1993-03-11 Weidmueller Interface Gmbh & Co, 4930 Detmold, De

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20217733U1 (de) * 2002-11-16 2004-04-01 Weidmüller Interface Gmbh & Co. Crimpzange
US6997028B2 (en) 2002-11-16 2006-02-14 Weidmuller Interface Gmbh & Co. Kg Crimping tool
DE20310378U1 (de) * 2003-07-05 2004-11-18 Weidmüller Interface Gmbh & Co. Zange mit einer Crimpstation
US6895836B2 (en) 2003-07-05 2005-05-24 Weidmueller Interface Gmbh & Co. Kg Pliers-type handtool having insulation removing means
US7055361B2 (en) 2003-07-05 2006-06-06 Weidmueller Interface Gmbh & Co. Kg Pliers-type handtool having a crimping station
EP3335795A1 (fr) 2016-12-16 2018-06-20 Eppendorf AG Procédé de dosage de liquide au moyen d'une pipette et d'une seringue et pipette destinée à actionner une seringue pour le dosage de liquides
RU209098U1 (ru) * 2021-08-12 2022-02-01 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") Электрическая клемма

Also Published As

Publication number Publication date
DE4209529C1 (fr) 1993-07-08
JPH0684573A (ja) 1994-03-25
CA2092253A1 (fr) 1993-09-25
EP0562229A3 (en) 1996-07-31
TW198148B (fr) 1993-01-11
US5347705A (en) 1994-09-20
EP0562229A2 (fr) 1993-09-29
KR930019351A (ko) 1993-10-18
KR960013716B1 (ko) 1996-10-10
JPH0828263B2 (ja) 1996-03-21
CA2092253C (fr) 1996-09-03
ATE187285T1 (de) 1999-12-15
DE59309887D1 (de) 2000-01-05

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