EP0332815A2 - Outil pour la fixation de pièces de contact sur des conducteurs électriques - Google Patents

Outil pour la fixation de pièces de contact sur des conducteurs électriques Download PDF

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Publication number
EP0332815A2
EP0332815A2 EP89101039A EP89101039A EP0332815A2 EP 0332815 A2 EP0332815 A2 EP 0332815A2 EP 89101039 A EP89101039 A EP 89101039A EP 89101039 A EP89101039 A EP 89101039A EP 0332815 A2 EP0332815 A2 EP 0332815A2
Authority
EP
European Patent Office
Prior art keywords
tool according
finger
contact parts
feed
cylinder
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.)
Granted
Application number
EP89101039A
Other languages
German (de)
English (en)
Other versions
EP0332815B1 (fr
EP0332815A3 (en
Inventor
Bernhard Dr. Jürgenhake
Bruno Scholz
Peter Ettel
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.)
Juergenhake Bernhard Dr-Ing
Original Assignee
Juergenhake Bernhard Dr-Ing
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6821998&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0332815(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Juergenhake Bernhard Dr-Ing filed Critical Juergenhake Bernhard Dr-Ing
Publication of EP0332815A2 publication Critical patent/EP0332815A2/fr
Publication of EP0332815A3 publication Critical patent/EP0332815A3/de
Application granted granted Critical
Publication of EP0332815B1 publication Critical patent/EP0332815B1/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
    • H01R43/048—Crimping apparatus or processes
    • H01R43/055—Crimping apparatus or processes with contact member feeding mechanism

Definitions

  • the invention relates to a tool for attaching individual contact parts, which are lined up in a band before separating, on electrical lines with a base body - in which the band-like lined up contact parts are guided - on which a feed device is attached, which has an edge or a finger the like of the band-like lined-up contact parts engages and advances them step by step, - which has a holding element for holding the lined-up contact parts in their advanced position, a plunger on which at least one stop stamp is attached, and a triggering device coupled to the press stroke for the feed device.
  • the feed takes place through a lever-like finger which is pressed by a spring with its free end bent at an obtuse angle onto the contact parts which are lined up in a band.
  • the finger is advanced with its free cranked end first, it bumps against an edge of the contact parts and moves them in the direction of the stop stamp.
  • a brake must be installed so that the contact parts are not flung out beyond the desired position.
  • This brake is designed as a brake plate pressed from above against the contact parts by spring force. Because of the large acceleration forces, the contact pressure must be so great that there is often a risk of deformation of the pressure-sensitive contact parts There are contact parts.
  • the contact pressure of the brake plate must also be very large because the finger is pulled back against the back of the edge of the next contact part in order to be raised for engagement with the next contact part. This counter movement against an edge for lifting the finger takes place at a high speed, so that here too large displacement forces acting on the contact parts have to be braked.
  • the object of the invention is to design the feed device such that the inertia force of the contact parts is absorbed by the feed finger at the end of the feed and the feed finger does not exert any displacement force on the contact parts when moving back.
  • this object is achieved in that the feed device has at least one finger which is displaced perpendicularly to the feed direction for engaging in and pulling out of an opening of the contact parts before it is moved in or against the feed direction, and the finger in the form and Size of its cross section of the opening in the contact parts is adapted so that it bears against the edge of the opening of the contact parts both in and against the feed direction.
  • the braking effect of a holding element can be reduced to such an extent that a strip of contact parts sagging on the input side of the tool does not automatically slide out of the tool due to its own weight.
  • the holding element is designed as a second finger, which is also displaceable perpendicularly to the feed direction for engagement in the contact parts, is displaced in opposite directions to the first finger and is arranged in a stationary manner in the plane perpendicular to its displacement direction. This avoids any contact pressure on the contact parts.
  • the two fingers are the end or an extension of a pneumatically or hydraulically driven piston of two piston-cylinder systems.
  • a feed device driven in this way has only a few movable parts, and these parts also have a small mass. As a result, the feed device works quickly and without great effort.
  • the pneumatic or hydraulic connection of the one cylinder for the forward and backward drive of the piston is cross-coupled to the corresponding connections of the other cylinder.
  • the cylinder of the first finger which feeds the contact parts, is advanced in the feed direction by a pneumatically or hydraulically driven piston rod.
  • the cylinder is additionally slidably supported by a bolt mounted in the base body.
  • the cylinder and the piston rod carrying it are secured against rotation.
  • it is expedient that the cylinder is firmly connected to the bolt and the bolt is guided in a bore in the base body.
  • the cylinder of the second finger is screwed to the base body.
  • a shoe is attached to the free end of the fingers.
  • the tool can thus be used for many embodiments of the contact parts.
  • the tappet actuates a valve which opens the pressure medium there is a control valve which drives the pistons of the fingers.
  • the control valve in turn is actuated via a control pin which is coupled to the cylinder of the first finger and which runs in an elongated hole of a slide corresponding to the length of the feed length.
  • the control valve is coupled to a further valve which gives the pressure medium to the cylinder of the piston rod displacing the first finger.
  • control valve is actuated via stops projecting on both sides from the cylinder of the finger that causes the feed in the direction, which stops are adjustable in length in and opposite to the feed direction.
  • the longitudinally adjustable stops protrude into an elongated recess of a slide and, by counter-driving against the respective end face of the recess, adjust the slide acting on the control valve.
  • control valve is actuated by the tappet via an axially displaceable bolt which has a handle for manual actuation. This makes it possible to actuate the feed device when adjusting the feed of the contact parts without the plunger being moved into the base body. This brings increased security.
  • the lines for the pressure medium between the slide valve and the cylinder of the piston rod are at least partially cast or drilled into the base body. Furthermore, it is advantageous to have a cavity in the base body for or as a memory for the print medium. Pressure fluctuations in the line system of the pressure medium can thus be compensated for.
  • the holding element is designed as a spring-loaded finger pivotably or displaceably mounted in or on a stationary part, the head end of which, on the side opposite the advancing direction, having a run-up slope, follows an edge of the contact parts formed by a projection or recess carried out with its side pointing in the direction of feed.
  • a construction of this embodiment which is simple in structure and mode of operation results from the fact that the finger is designed as a pivotable, one-armed lever, the head end of which has a nose pointing in the direction of action of the spring.
  • the tool is mounted with its base body (1) on the press table and clamped in the press bar (26) with the clamping pin (3) of its ram (2).
  • a guide plate (5) and on this guide strips (6) are fastened, between which the contact parts (18) lined up in a row and attached to the cable ends are gradually guided to an insulating crimper (7) and one Wire crimper (8) and a cutting knife (9) are advanced.
  • the feed takes place by means of a first finger (10), which is pneumatically moved down into an opening (19) of a contact part (18) to be attached, then in the direction of the crimper (7, 8), then up and finally moved back again .
  • a second, also pneumatically driven, stationary finger (11) moves down and engages in another contact part (18) and thus holds the banded contact parts in position. If the first finger (10) moves into a next contact part (18), the second finger (11) releases itself from another contact part (18) and moves up again.
  • the two fingers (10, 11) engaging in the contact parts (18) are thus driven axially in opposite directions.
  • the two fingers (10, 11) are driven axially by one piston each, which is acted upon by compressed air.
  • the compressed air connections in the associated cylinders (12, 13) are marked with (14, 15, 16 and 17). These connections are cross-connected to one another, namely (14) with (16) and (15) with (17).
  • the feed of the contact parts (18) in the direction of the Crimper (7, 8) is done by the first finger (10).
  • the cylinder (12) is driven by the piston rod (20).
  • the cylinder (12) is coupled to the piston rod (20) via the intermediate piece (79) and the pin (22). So that the cylinder (12) is secured against pivoting about the axis of the piston rod (20), the intermediate piece (79) is firmly connected to a bolt (21) which is slidably inserted into the base body (1).
  • the plunger (2) carrying the crimper (7, 8) and the separating knife (9) is inserted into a guide of the base body (1).
  • the ram (2) is coupled to the press bear via the clamping pin (3).
  • This clamping pin (3) is designed as a double offset bolt, which is inserted with its head part (24) into a T-shaped groove (25) of the press bear (26) and with its finger-like free end (27) the head plate (78) of the Plunger (2) penetrates.
  • a compression spring (32) is placed on the end of the clamping pin (3) penetrating the head plate (78) and is prestressed with a clamping ring (23).
  • a screw (28) is inserted into the plunger (2), which with an eccentrically arranged bolt (29) engages under the second step of the clamping pin (3) and thus when the screw (28) is turned against the spring (32) can be raised. This makes it easy to insert the clamping pin (3) into the press bear (26).
  • a screw bolt (30) is inserted from the head side, which is rotated via a first screw (31) and thus its height can be adjusted. Should z. B.
  • the screw bolt (30) is unscrewed upwards out of the plunger (2), so that between the plunger (2) and the press bear (26) there is a distance.
  • the compression spring (32) placed on the clamping pin (3) and held under pretension ensures that the ram (2) always lies firmly against the press bar (26). This is particularly important if, when setting the tool, the press bear (26) is shut down without a contact part (18) lying in the tool. Without the compression spring (32), the crimpers (7, 8) would hit hard on the crimp lower part (33).
  • the axial drive of the two fingers (10, 11) and the advance of the cylinder (12) in the axial direction of the piston rod (20) is accomplished as follows:
  • the cross pin (34) of the axially displaceable bolt slides (35) along the run-up slope (36) of a block (38) mounted on one side about the axis (37) and fastened to the tappet (2) and thus moves the bolt (35) in the direction X.
  • This axially displaceable bolt (35) is actuated with its head (39) the valve (40).
  • the cross pin (34) slides along the vertical surface (41) and finally falls back into the latch (42) due to the force of the spring (51).
  • the cross pin (34) slides along the inclined surface (43) and pivots the block (38) against the force of the wing spring (44).
  • the first finger (10) is in the low position and in the position adjacent to the second finger.
  • the valve (40) is actuated, compressed air is supplied to the slide valve (46), which is designed as a 5/2-way valve with pneumatic control. Compressed air is thus applied to the piston (20) via the channel (50), which thereby moves in the direction Z and advances the first finger (10) engaging in the contact parts (18) in the direction of the crimping device.
  • the control pin (48) strikes the slide (49) and thus actuates the control valve (45), as a result of which compressed air is supplied to the cylinders (13 and 12) via the connections (14 and 16).
  • the second finger (11) moves down and engages in an opening (19) in the contact parts (18), while the first finger (10) moves out of the contact part (18) into its upper position. Delayed by a throttle or similar organ pressure is applied to the slide valve (46) via control lines, which switches over so that the piston rod (20) is pressurized via the channel (47) and travels in the Y direction. In the end position of the cylinder (12), this switches the control valve (45) via the control pin (48). With this, compressed air is applied to the connections (15 and 17) of the cylinders (13 and 12), whereby the second finger (11) is moved out of the contact part (18) upwards, the first finger (10) downwards and into one Opening (19) of the contact parts (18) engages. This completes a transport cycle. A new cycle is triggered by the next pressure pulse from the valve (40).
  • the axially displaceable bolt (35) which exerts a trigger contact on the valve (40), can be actuated by hand will.
  • a force is exerted on the valve-side end of the axially displaceable bolt (35), whereby this bolt (35) moves against the force of the spring (51).
  • the cross pin (34) is fixed by a grub screw (52).
  • the stroke position and the stroke of the cylinder (12) is limited by the spacers (53 and 54).
  • the cylinder (13) is screwed onto the base body (1) by cap screws (55). These cap screws (55) can be moved in the slots (56) so that the position of the cylinder (13) can be adjusted.
  • a shoe (57) is pushed onto the two fingers (10, 11) at the free end so that the fingers can be easily adapted to the respective size and shape of the openings (19) of the contact parts (18).
  • FIG. 4 Another embodiment for controlling the control valve (45) is shown in FIG.
  • the slide (49) has an elongated recess (82) with the two end faces (83 and 84).
  • the cylinder (12) of the first finger (10) runs between these two end surfaces (83 and 84).
  • stops (85 and 86) protrude from the piston (12), which are designed as screws and are therefore length-adjustable in the feed direction Z. This allows both the stroke length and the stroke position of the cylinder (12) on the piston rod (20) to be varied.
  • the length-adjustable stops (85 and 86) abut the end faces (83 and 84) when the cylinder (12) is displaced on the piston rod (20) and thus move the slide (49), which is coupled to the control valve (45).
  • the second finger is not actuated pneumatically or hydraulically, but mechanically.
  • the finger forming the holding element is designed as a one-armed lever (87) rotatably mounted on the base body (1), the head end (88) of which has a nose (90) pointing in the direction of action of the compression spring (89).
  • the nose (90) On the side opposite to the direction of advance Z, the nose (90) has a run-up slope (91) which slides on the crimping claws (70) in the direction of advance as the contact parts (18) slide and thus the lever (87) against the force of the compression spring ( 89) adjusted upwards.
  • the lever (87) falls with its nose (90) behind the crimping claws (70) and thus prevents the banded contact parts (18) from being unwanted from the tool, e.g. B. by a sag formed between the tool and the contact part roll.
  • This backstop is particularly simple in its structure and safe in its function.
  • the separating knife (9), which works together with the counter knife (58), is, like the wire crimper (8), firmly and immovably connected to the plunger (2) by cap screws (61 and 62).
  • the insulating crimper (7) is adjustable in its depth compared to the wire crimper (8).
  • a second screw bolt (59) is arranged below the screw bolt (30), the height of which can be adjusted via a second screw (60). The stroke position of the Isoliercrimpers (7) can be adjusted.
  • a bridge (63) is screwed onto the front of the base body (1), which together with the tappet (2) results in a channel (64).
  • a slide (65) is inserted, which rests against a compression spring (66), which is supported on a sliding block (67) screwed to the bridge (63), from the plunger (2) in the direction of the Crimp lower part (33) is displaceable.
  • On this slide (65) there are two pivotable jaws (68) spread by spring force, which are pivoted together by fork-shaped strips (69) when the ram (2) is lowered.
  • the crimping dies (7, 8) bend the raised crimping claws (70) to such an extent that they firmly grip the stripped wire end and the insulating jacket on the one hand with great pressure.
  • the plunger (2) is raised, the jaws (68) with their edges (76) of the end faces lying between the two axes (81) abut against a pressure piece (77), which in turn is supported against the sliding block (67). The two jaws (68) are thus pivoted apart again.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP89101039A 1988-03-17 1989-01-21 Outil pour la fixation de pièces de contact sur des conducteurs électriques Expired - Lifetime EP0332815B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8803655U DE8803655U1 (de) 1988-03-17 1988-03-17 Werkzeug zum Anschlagen von Kontaktteilen an elektrische Leitungen
DE8803655U 1988-03-17

Publications (3)

Publication Number Publication Date
EP0332815A2 true EP0332815A2 (fr) 1989-09-20
EP0332815A3 EP0332815A3 (en) 1990-07-18
EP0332815B1 EP0332815B1 (fr) 1994-06-22

Family

ID=6821998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89101039A Expired - Lifetime EP0332815B1 (fr) 1988-03-17 1989-01-21 Outil pour la fixation de pièces de contact sur des conducteurs électriques

Country Status (2)

Country Link
EP (1) EP0332815B1 (fr)
DE (2) DE8803655U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649347A (en) * 1995-12-29 1997-07-22 Cattadoris; Joseph M. Apparatus for use in assembling a frame
EP0848461A1 (fr) * 1996-12-16 1998-06-17 Sumitomo Wiring Systems, Ltd. Dispositif de positionnement d'un fil électrique dans un appareil à sertir
US5909913A (en) * 1996-09-19 1999-06-08 The Whitaker Corporation Shut height adjustment mechanism for a terminal applicator
CN113471791A (zh) * 2021-05-25 2021-10-01 南通大学 一种线束加工铜端子二次压接装置及其方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924565A1 (de) * 1999-05-28 2000-11-30 Grote & Hartmann Zuführvorrichtung für elektrische Kontaktelemente in Crimpwerkzeuge einer Crimppresse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774284A (en) * 1972-08-23 1973-11-27 Amp Inc Tool for securing contacts to flat multi-conductor cable
EP0192102A2 (fr) * 1985-02-21 1986-08-27 SIAC INDUSTRIA ACCESSORI CAVARIA S.p.A. Dispositifs pour appliquer des bornes et éléments métalliques similaires à des conducteurs, des longueurs de matériau élastique et semblables
US4753145A (en) * 1987-03-27 1988-06-28 Amp Incorporated Feeding and shearing apparatus for strip material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984908A (en) * 1975-10-01 1976-10-12 Amp Incorporated Stator terminal assembly machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774284A (en) * 1972-08-23 1973-11-27 Amp Inc Tool for securing contacts to flat multi-conductor cable
EP0192102A2 (fr) * 1985-02-21 1986-08-27 SIAC INDUSTRIA ACCESSORI CAVARIA S.p.A. Dispositifs pour appliquer des bornes et éléments métalliques similaires à des conducteurs, des longueurs de matériau élastique et semblables
US4753145A (en) * 1987-03-27 1988-06-28 Amp Incorporated Feeding and shearing apparatus for strip material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649347A (en) * 1995-12-29 1997-07-22 Cattadoris; Joseph M. Apparatus for use in assembling a frame
US5909913A (en) * 1996-09-19 1999-06-08 The Whitaker Corporation Shut height adjustment mechanism for a terminal applicator
EP0848461A1 (fr) * 1996-12-16 1998-06-17 Sumitomo Wiring Systems, Ltd. Dispositif de positionnement d'un fil électrique dans un appareil à sertir
US5890280A (en) * 1996-12-16 1999-04-06 Sumitomo Wiring Systems, Ltd. Device for positioning electric wire within a terminal application device
CN113471791A (zh) * 2021-05-25 2021-10-01 南通大学 一种线束加工铜端子二次压接装置及其方法

Also Published As

Publication number Publication date
DE58907918D1 (de) 1994-07-28
EP0332815B1 (fr) 1994-06-22
DE8803655U1 (de) 1988-05-26
EP0332815A3 (en) 1990-07-18

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