Apparatus for stripping hollow articles from a press ram

Details Apparatus for stripping hollow articles from a press ram Apparatus for stripping hollow articles from a press ram

1975-05-27

1976-11-09

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

72427, B21D 4500

Patent

active

039902897

ABSTRACT:
Apparatus for stripping articles from a press ram including a plurality of individual strippers supported in ring members surrounding the press ram. Each of the strippers is formed as a rigid member having an operating piston and a stripping piston rigidly joined together by a web section with the pistons extending parallel to and laterally spaced from one another. The operating pistons of the respective strippers are rotatably supported in bores provided in a first support ring and the operating pistons are guidably supported in radial slots at a second support ring. The two rings are rotatably moved with respect to one another by way of a piston-cylinder unit, with relative rotation of the rings effecting a forced rotation of the strippers about the operating pistons into and out of respective stripping positions adjacent the press ram. The end faces of the operating pistons are communicated with a pressure medium for forcing the stripper in an axial direction to strip articles from the press ram when the strippers are rotated to an in-use stripping position.

REFERENCES:
patent: 2901995 (1959-09-01), Lavigne
patent: 3295351 (1967-01-01), Jacobs
patent: 3935724 (1976-02-01), Finsterwalder et al.

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