EP0279036B1 - Crimphöhenverstellvorrichtung für eine Crimpmaschine - Google Patents

Crimphöhenverstellvorrichtung für eine Crimpmaschine Download PDF

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Publication number
EP0279036B1
EP0279036B1 EP87117135A EP87117135A EP0279036B1 EP 0279036 B1 EP0279036 B1 EP 0279036B1 EP 87117135 A EP87117135 A EP 87117135A EP 87117135 A EP87117135 A EP 87117135A EP 0279036 B1 EP0279036 B1 EP 0279036B1
Authority
EP
European Patent Office
Prior art keywords
bearing block
stop
block
pin
secured
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
EP87117135A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0279036A2 (de
EP0279036A3 (en
Inventor
Rudolf Reinertz
Stanislaw Luczak
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.)
Grote and Hartmann GmbH and Co KG
Original Assignee
Grote and Hartmann 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 Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0279036A2 publication Critical patent/EP0279036A2/de
Publication of EP0279036A3 publication Critical patent/EP0279036A3/de
Application granted granted Critical
Publication of EP0279036B1 publication Critical patent/EP0279036B1/de
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
    • H01R43/0488—Crimping apparatus or processes with crimp height adjusting means

Definitions

  • the invention relates to a crimp height adjustment device for a crimping machine.
  • a constant stroke is transmitted to a crimping tool, so that a specific electrical connector is crimped to an electrical conductor with a predetermined diameter in an optimal electrical contact.
  • crimping machines are e.g. Eccentric presses have been developed, the connecting rod of which is arranged to be adjustable.
  • the connecting rod can be empirically adjusted to a desired crimp height required to achieve an optimal crimp for a particular connector and conductor of a particular diameter.
  • the optimum crimp height must be empirically determined again by mechanically adjusting the connecting rod before production can be restarted. This process requires a lot of time and special experience of the operating personnel, because very small paths have to be set with high accuracy when adjusting the crimp height. Rejects are produced in considerable quantities.
  • Crimping machines are also known in which the working stroke is generated pneumatically or hydraulically and is transmitted directly to the crimping tools. over elaborate valve controls stop the working stroke after reaching a certain crimping force and initiate the return stroke. The required crimping force can only be maintained for a short time, which often does not lead to an optimal crimp. Furthermore, such systems are often adversely affected by uncontrollable pressure surges.
  • a device is also known in which, after reaching a preselected crimping force, the excess working stroke is deflected onto a spring-loaded toggle lever system while maintaining the crimping force (DE-A-27 46 892).
  • the spring load of the toggle lever system is adjustable, so that when changing the connector type and / or the conductor, the counterforce of the toggle lever system is adjusted in order to achieve an optimal crimp.
  • This known device has proven itself in crimping devices on which changes in the type of connector and / or conductor take place in series.
  • stop and crimping machines have recently been developed which are combined with line changers and to which different connectors and different lines can be fed alternately in quick succession. These machines can crimp different connectors on both sides of a line and obtain different lines via line changers. They work very quickly, but no different crimp height can be provided, which means that only a certain crimp height is used, and only connectors and conductors that require roughly the same crimp height can be processed.
  • the object of the invention is to provide a device for the new generation of crimping machines with which the crimp height can be changed in accordance with the change speed for the connectors and / or lines.
  • a pivot pin 2 arranged transversely to the longitudinal extent of the fork is rotatably mounted in the fork.
  • a stop pin 3 extends vertically upwards from the hinge pin 2.
  • the stop pin 3 passes through a horizontally extending lower guide plate 4, in which a guide bush 5 is seated.
  • the stop pin 3 can slide up and down in accordance with the movement of the connecting rod 1; because the lower guide plate 4 is fastened with vertically downwardly extending side walls 6 on the machine frame, not shown.
  • a rigid housing 7 with two side walls 8, 9 and a top wall 10 is fixedly arranged above the lower guide plate 4.
  • an upper guide web 11 is fastened between the side walls 8, 9, in which a further guide bush 12 is supported, which is positively penetrated by the stop pin 3.
  • the stop pin 3 is thus supported laterally twice and is guided in the bushes 5 and 12.
  • the stop bolt 3 ends with a bolt head 3 a, which protrudes over the edge of the bush 12.
  • a bearing block 13 is positioned above the guide web 11, which is narrower than the width of the side walls 8, 9, and above the bolt head 3a and below the ceiling wall 10 at a distance from the latter, which goes back and forth in the direction of the arrow 14 and in the direction of the arrow 15 can be moved back and forth laterally.
  • the bearing block 13 In the bearing block 13, four vertical bores are positioned in the square. In the bores sit positively and slidably cylindrical pins 16, which are equipped above the bearing block 13 with cylindrical stop caps 17, the diameter of which is larger than the diameter of the pins 16 and which can thus rest with their lower edge on the surface of the bearing block 13 .
  • the pins 16 protrude a little downward from the bearing block 13 of equal length, their flat lower surface being at the height or at a minimal distance from the flat surface 3b of the bolt head 3.
  • the bolt head 3b has a chamfer 3c on the outside edge.
  • the four caps each have a different height, calculated from the surface of the bearing block 13, so that their free surfaces 17a are at a different distance from the lower surface of the ceiling wall 10.
  • the lower surface of the top wall 10 is expediently formed by a metal stop plate 18 of particular hardness.
  • the different spacing of the surfaces 17a of the caps 17 from the lower surface of the ceiling wall 10 ensures a different crimp height depending on the stop cap 17 located above the stop bolt 3; because the stop pin is pushed up by the connecting rod 1, presses under the cap pin 16 located above it and pushes it up with the stop cap 17 until the cap surface 17a abuts the lower surface of the stop plate 18. This stops the connecting rod movement and limits the path of the crimping tool, so that a certain crimp height is reached. If a different crimp height is desired after changing the connector type and / or the diameter of a line, another cap 17 with bolts 16 is pushed over the bolt head 3a with the aid of the bearing block 13.
  • the displacement of the bearing block 13 in the double arrow direction 14 and 15 is accomplished by a cross slide 20.
  • the cross slide 20 consists of a metal plate 19 arranged horizontally between the side walls 8 and 9 behind the bearing block 13, which is made narrower than the distance between the walls 8 and 9.
  • In the metal plate 19 are two bores 21 arranged at a distance from one another and parallel to one another, which extend continuously from one side surface 22 opposite one of the walls 8 or 9 to the other side surface 22 (not visible in the drawing).
  • the bores 21 are positively penetrated by a guide rod 23.
  • the guide rods 23 are fastened in the walls 8 and 9.
  • the metal plate 19 can be moved in the double arrow direction 15 on these guide rods.
  • a double-acting piston-cylinder arrangement 24 is provided, the cylinder 25 of which is fastened in a passage of the wall 8 or 9, the piston rod 26 being fastened to the metal plate 19 between the two bores 21.
  • the piston-cylinder arrangement 24 the metal plate 19 is selectively movable in the double arrow direction 15 predeterminable distances.
  • Two blocks 27, 27a arranged one behind the other in the direction of the arrow 14 are fixedly arranged on the metal plate 19 in the region of the side surfaces 22.
  • the blocks 27 and 27a are each penetrated by a bore 28 in the direction of the arrow 14, which are arranged in alignment with one another.
  • the bores 28 are positively penetrated by a slide rod 28 which projects out of the block 27 to the front and a bit to the rear from the block 27a.
  • the end of the part of the slide rod 29 protruding from the block 27 is fastened to the rear front of the bearing block 13.
  • a locking block 30 is - viewed from the front - initially floating freely above and behind it a cylinder 32 of a further double-acting cylinder Piston-cylinder arrangement 31 fixedly arranged on the metal plate 19.
  • the piston rod (not visible in the drawing) of the piston-cylinder arrangement 31 extends in the direction of arrow 14 to the locking block 30, the free end of the piston rod being fastened to the rear face of the locking block 30.
  • the locking block 30 has a frontal bore 33 in which a cylindrical bolt 34 is positively inserted, which is fastened to the rear front of the metal plate 19 and can be unlocked in the locking block 30 with a handle 35 and clamped with corresponding locking elements.
  • the bearing block 13 together with the slide rods 29 can be pulled out of the housing 7 to the front and either replaced by another bearing block or reinserted and locked after replacing stop caps.
  • the bearing block 13 can thus be displaced a preselectable distance in the double arrow direction 14.
  • the cross slide 20 and the bearing block 13 are shifted in the double arrow direction 15, while only the bearing block 13 is shifted in the double arrow direction 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
EP87117135A 1987-02-17 1987-11-20 Crimphöhenverstellvorrichtung für eine Crimpmaschine Expired - Lifetime EP0279036B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3704904 1987-02-17
DE19873704904 DE3704904A1 (de) 1987-02-17 1987-02-17 Crimphoehenverstellvorrichtung fuer eine crimpmaschine

Publications (3)

Publication Number Publication Date
EP0279036A2 EP0279036A2 (de) 1988-08-24
EP0279036A3 EP0279036A3 (en) 1989-11-15
EP0279036B1 true EP0279036B1 (de) 1991-10-09

Family

ID=6321113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117135A Expired - Lifetime EP0279036B1 (de) 1987-02-17 1987-11-20 Crimphöhenverstellvorrichtung für eine Crimpmaschine

Country Status (2)

Country Link
EP (1) EP0279036B1 (enrdf_load_stackoverflow)
DE (2) DE3704904A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108736290A (zh) * 2013-05-15 2018-11-02 马雪 一种冲压打端机构

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9012058D0 (en) * 1990-05-30 1990-07-18 Amp Gmbh Method of,and apparatus for,controlling the crimp height of crimped electrical connections
GB9012073D0 (en) * 1990-05-30 1990-07-18 Amp Gmbh Electrical terminal applicator and a crimp height adjustment plate therefor
US5275032A (en) * 1990-05-30 1994-01-04 The Whitaker Corporation Method and apparatus for controlling the crimp height of crimped electrical connections
US5806168A (en) * 1993-04-14 1998-09-15 Minnesota Mining And Manufacturing Company Tool for the contemporary crimping of a plurality of insulated wires in an electrical connector
DE9305607U1 (de) * 1993-04-14 1993-06-17 Minnesota Mining And Manufacturing Co., Saint Paul, Minn. Werkzeug zum Verpressen von isolierten Leitern in einem elektrischen Verbinder
US5323634A (en) * 1993-05-14 1994-06-28 The Whitaker Corporation Shut height adjustment device having replaceable spacers
EP0643457B1 (en) * 1993-09-14 1997-06-11 Molex Incorporated Electrical terminal applicator with improved crimp height adjustment plate means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3398567A (en) * 1966-08-22 1968-08-27 Vaco Products Co Terminal crimping machine stroke adjustment
US3911717A (en) * 1974-01-18 1975-10-14 Itt Terminal applicator apparatus
DE2746892C3 (de) * 1977-10-19 1982-03-18 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Crimpverfahren sowie Vorrichtung zur Durchführung des Verfahrens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108736290A (zh) * 2013-05-15 2018-11-02 马雪 一种冲压打端机构

Also Published As

Publication number Publication date
DE3704904C2 (enrdf_load_stackoverflow) 1990-11-08
EP0279036A2 (de) 1988-08-24
EP0279036A3 (en) 1989-11-15
DE3704904A1 (de) 1988-08-25
DE3773653D1 (de) 1991-11-14

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