EP0001765A1 - Appareil de serrage - Google Patents

Appareil de serrage Download PDF

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Publication number
EP0001765A1
EP0001765A1 EP78101116A EP78101116A EP0001765A1 EP 0001765 A1 EP0001765 A1 EP 0001765A1 EP 78101116 A EP78101116 A EP 78101116A EP 78101116 A EP78101116 A EP 78101116A EP 0001765 A1 EP0001765 A1 EP 0001765A1
Authority
EP
European Patent Office
Prior art keywords
crimping
toggle
counterforce
toggle lever
support bearing
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
EP78101116A
Other languages
German (de)
English (en)
Other versions
EP0001765B1 (fr
Inventor
Rudolf Reinertz
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 EP0001765A1 publication Critical patent/EP0001765A1/fr
Application granted granted Critical
Publication of EP0001765B1 publication Critical patent/EP0001765B1/fr
Expired 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

Definitions

  • the invention relates to a method, wherein a constant working stroke is generated by means of a crimping machine and a device for carrying out the method.
  • the object of the invention is to provide a method which can be carried out with all known crimping machines and which ensures a constant preselected crimping force. It is also an object of the invention to provide a connecting device between the force or lifting element and the crimping tools, with which the method according to the invention can be carried out particularly easily.
  • the invention therefore relates to a crimping process, wherein a constant working stroke is generated by means of a crimping machine and the new method is characterized in that, after reaching a preselected crimping force, the excess working stroke is deflected while maintaining the crimping force. It is advantageous if the crimping force is maintained by a counterforce and the excess working stroke is deflected onto a toggle lever system. It is particularly advantageous if the crimping force is maintained and the excess working stroke is deflected with at least one spring-loaded toggle lever system.
  • the invention further relates to a connecting device for carrying out the method according to the invention with a stroke transmission element, in particular between the upper and lower connecting rod bearings of an eccentric press, which is characterized in that the stroke transmission element is articulated and is loaded with a variable counterforce. It is particularly advantageous if the counterforce is generated by spring forces and the stroke transmission elements consist of a toggle lever system, the spring force being less than the required crimping force. Further essential features of the invention are characterized by subclaims 7 to 12.
  • the lifting exercise element consists of a double-knee system 5 which is articulated in the support bearings 1 and 2 and which is loaded with a spring system 6.
  • the toggle lever system 5 is constructed symmetrically from two toggle levers 7.
  • Each toggle lever 7 has an upper toggle lever arm 8 which is rotatably mounted about the axis 10 in the upper support bearing 1 and a lower toggle lever arm 9 which is rotatably mounted about the axis 11 in the lower support bearing 2.
  • the lever arms 8 and 9 are rotatably connected to one another about the axis 12. They are supported against each other via the support webs 13 extending from the axes 12.
  • the length of the webs 13 is chosen such that the toggle lever 7 in the front view to the outside are angled and the lever arms 8 and 9 form an angle ⁇ of 140 to 160 °, preferably of 148 to 152 °.
  • the spring system 6 consists of a continuous, horizontally arranged axle 25, which slides in the axle bearings 26 which are firmly seated on the axles 12 and carries the compression springs 28 between the bearings 26 and the adjustment system 27, which springs against the adjustment system 27 and the axle bearing 26 support in a suitable manner. With the adjustment system 27, the spring force can be set very precisely.
  • the operation of the new connection device is as follows.
  • the crimping force required for crimping and generated by the eccentric press is transmitted to the crimping tools via the connecting device according to the invention.
  • the toggle lever system will buckle against the force of the springs. This ensures with certainty that the crimping force occurring on the crimping tools is controllably at a certain amount. If there is a change in relation to the connector claw and / or the connector, the spring force of the spring system adjusted. The new setting then ensures the desired new crimping force.
  • the spring characteristics, the toggle angle ⁇ and the gap height of the gap 23 are coordinated with one another in such a way that the crimping force can be set with great accuracy.
  • the spring characteristic and the knee height angle ⁇ correspond so that the crimping force remains the same in a wide overload range.
  • an optimal crimping height for all units of the same type results for each unit consisting of connector claw and the conductor cross-sectional area assigned to the connector claw.
  • the crimp height difference of a certain connector type is within the gap height of the gap 23 and is usually only a few tenths of a millimeter.
  • the crimping force differences of only about 5 to 10% of the crimping force have to be set precisely in order to be able to crimp with optimum force for each unit type, consisting of connector claw and conductor.
  • a type of overload protection is thus created which enables a maximum load to be preset and, when this load is exceeded, ensures that a counterforce system compensates for the overload.
  • This can - as described - take place with a toggle lever and spring system, but can also be carried out with other equivalent means, it being important that the required crimp force difference is transformed with suitable means to adjustable counterforce difference values.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP78101116A 1977-10-19 1978-10-11 Appareil de serrage Expired EP0001765B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2746892 1977-10-19
DE2746892A DE2746892C3 (de) 1977-10-19 1977-10-19 Crimpverfahren sowie Vorrichtung zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
EP0001765A1 true EP0001765A1 (fr) 1979-05-16
EP0001765B1 EP0001765B1 (fr) 1981-09-16

Family

ID=6021757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78101116A Expired EP0001765B1 (fr) 1977-10-19 1978-10-11 Appareil de serrage

Country Status (3)

Country Link
EP (1) EP0001765B1 (fr)
DE (1) DE2746892C3 (fr)
IT (1) IT1106191B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468231A1 (fr) * 1979-10-22 1981-04-30 Stocko France Sa Machine a sertir, en particulier machine a sertir les cosses
EP0279036A2 (fr) * 1987-02-17 1988-08-24 Grote & Hartmann GmbH & Co. KG Dispositif d'ajustage de la grosseur de sertissage d'une machine de sertissage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD10426U (de) * 1960-07-09 Vorrichtung zum aufpressen von hulsen bzw kabelschuhenauf elektrische leiter oder dgl
DE1912908B2 (de) * 1969-03-14 1971-11-04 Tragbare presse
DE2411744A1 (de) * 1973-04-17 1974-11-07 Loepfe Automation Presse zum pressverbinden eines mindestens teilweise drahtfoermigen teiles mit einem abschlussteil
GB1503228A (en) * 1976-09-17 1978-03-08 Amp Inc Tool for applying a compressive force to a workpiece

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD10426U (de) * 1960-07-09 Vorrichtung zum aufpressen von hulsen bzw kabelschuhenauf elektrische leiter oder dgl
DE1912908B2 (de) * 1969-03-14 1971-11-04 Tragbare presse
DE2411744A1 (de) * 1973-04-17 1974-11-07 Loepfe Automation Presse zum pressverbinden eines mindestens teilweise drahtfoermigen teiles mit einem abschlussteil
GB1503228A (en) * 1976-09-17 1978-03-08 Amp Inc Tool for applying a compressive force to a workpiece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468231A1 (fr) * 1979-10-22 1981-04-30 Stocko France Sa Machine a sertir, en particulier machine a sertir les cosses
EP0279036A2 (fr) * 1987-02-17 1988-08-24 Grote & Hartmann GmbH & Co. KG Dispositif d'ajustage de la grosseur de sertissage d'une machine de sertissage
EP0279036A3 (en) * 1987-02-17 1989-11-15 Grote & Hartmann Gmbh & Co. Kg Crimping size adjust device for a crimping machine

Also Published As

Publication number Publication date
DE2746892C3 (de) 1982-03-18
DE2746892A1 (de) 1979-04-26
DE2746892B2 (de) 1981-07-09
IT7851533A0 (it) 1978-10-17
EP0001765B1 (fr) 1981-09-16
IT1106191B (it) 1985-11-11

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