Wire stripping apparatus and an automatic wiring device which in

Details Wire stripping apparatus and an automatic wiring device which in Wire stripping apparatus and an automatic wiring device which in

1988-04-13

1989-08-29

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Separate tool stations for selective or successive operation...

29755, 81 951, H01R 4300

Patent

active

048604275

ABSTRACT:
Apparatus for cutting a lead wire (7) from a supply wire (4) and for removing insulation covering portions (5) from the opposite ends of the lead wire (7) includes a pair of pinch rollers (13), a pair of opposed cutters (14), and a gripping device (15). The cutters (14) include wire cutting sections adapted to be moved into butt contact with each other, and insulation covering cutting sections (20) which will only sever the insulation covering without cutting through the entire wire. In order to form the lead wire (7) and remove the insulation covering portions (5) from opposite ends of the lead wire (7), the pinch rollers (13) initially advance the supply wire (4) such that a predetermined portion of the free end of the supply wire (4) extends beyond the cutters (14) as seen in FIG. 5(A). The insulation cutting sections (20) of the cutters (14) are aligned with the supply wire (4) such that upon opposed contact of the cutters (14), insulation covering (5) is severed from a first end of the lead wire (7) and removed therefrom as a result of reverse movement of the pinch rollers (13) as seen from FIGS. 5(B) and 5(C). The pinch rollers (13) then advance the supply wire (4) a predetermined amount so as to define the lead wire (7), gripping device (15) grips the lead wire (7), and the wire cutting sections of the cutters (14) sever the supply wire (4) so as to provide the lead wire (7), as seen in FIGS. 5(D)-5(F). Gripping device (15) then advances a predetermined portion of the lead wire (7) beyond the cutters (14), the insulation covering cutting sections (20) of the cutters cut the insulation covering at the second end of the lead wire (7), and the gripping device (15) is moved in the opposite direction so as to cooperate with cutters (14) in order to remove the insulation covering portion (5) from the other end of the lead wire as seen in FIGS. 5(F)-5(H).

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