Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1990-08-10
1991-08-13
Bucci, David A.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
74110, 414749, B65G 2502
Patent
active
050389203
ABSTRACT:
A lightweight, high speed, quick change transfer for a press has plural slide assemblies. Each slide assembly has an elongated rectangular base plate, two U-shaped end support plates, and parallel guide shafts extending between the support plates. Linear bearings on the guide shaft and pillow blocks on the linear bearings support a reciprocating transfer slide with parallel sides and a central opening. A finger lift bar extends within the central opening. Sloped slots in the lift bars engage cam rollers held on shafts between the parallel sides of the transfer slides. Any number of slide assemblies and repeater slide assemblies may be used. Transfer bars with workpiece-engaging fingers connect ends of the finger lift bars in the slide assemblies, driving the finger lift bars in the repeater assemblies while moving the product-engaging fingers. Parallel lift drive bars move the transfer slides in repeater slide assemblies. Interconnections between the elements is limited to two rollers and two slots in each slot assembly. The transfer bars are easily removed and changed by removing two pins. Reduced moving mass and lightweight materials allow high speed operations. Each in moving the transfer bars allows quick changeover and easy tool access.
REFERENCES:
patent: 4040514 (1977-08-01), Pielsticker et al.
patent: 4793472 (1988-12-01), Salund
Bucci David A.
Creighton Wray James
M.S. Willett, Inc.
Underwood Donald W.
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