Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1996-12-04
1998-07-07
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
7240511, 470109, 470154, B21D 4305
Patent
active
057751633
ABSTRACT:
A transfer arrangement for a multistation press has two parallel gripper rails on a carrier and can be moved, together with the carrier, along a transfer curve. The gripper rails carry gripper fingers which are assigned to one another in pairs and which can be moved toward and away from one another by an oppositely directed movement of the gripper rails. The application movement is generated by parallelogram transmissions which are used for the bearing and for the drive of the gripper rails. The parallelogram transmissions are driven from a single drive source by a cardan shaft which permits the implementation of the transfer movement without any change of the relative position of the gripper fingers with respect to one another. Such a transfer arrangement is arranged on one side of the row formed by the tools and permits good access to the workpieces from the respective other side. As required, the entire transfer arrangement can be removed from the tool area, preferably in a swivel movement.
REFERENCES:
patent: 2544218 (1951-03-01), Burdsall
patent: 3165766 (1965-01-01), Wisebaker
patent: 4631950 (1986-12-01), Hay
patent: 4898017 (1990-02-01), Hite
Crane Daniel C.
Schuler Pressen GmbH & Co.
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