Apparatus for forming long workpieces in presses

Details Apparatus for forming long workpieces in presses Apparatus for forming long workpieces in presses

1979-06-26

1981-01-06

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

10 11E, 72421, 72427, B21D 4500

Patent

active

042428963

ABSTRACT:
Apparatus for the forming of long workpieces, such as bolts, spindles, shafts, etc., in a press with shaping tools mainly consisting of a plunger and a die. An ejection channel for the workpiece passes through the plunger and is situated around the axis of the latter. The apparatus includes at least two opposed clamp jaws mounted for controlled movement toward and away from each other, and situated in the plunger but outside the ejection channel, the jaws gripping the workpiece before the processing of the latter and conveying it in a centered position to the processing point, the jaws at that time entering the said ejection channel. After the workpiece has been processed by the plunger and die, the plunger with the workpiece held by the jaws thereon return to their initial positions. The apparatus of the invention can be used to advantage in presses with conversion tools having multiple stages each with a plunger and die wherein the workpiece is transferred from one stage to the other.

REFERENCES:
patent: 2964003 (1960-12-01), Carper
patent: 3012604 (1961-12-01), Zieg
patent: 3605499 (1971-09-01), Puletti

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