Wedging structure for presses or the like

Details Wedging structure for presses or the like Wedging structure for presses or the like

1977-09-28

1979-02-06

Lanham, C. W.

Metal deforming

With means to drive tool

With means to permit tool positioning

100 53, B21J 1302

Patent

active

041377486

ABSTRACT:
A wedge system is disclosed for adjustably positioning tools in a forging press or the like. The system includes a wedge positioned between two assemblies and provided with a locking taper. Hydraulic means permit lubricant to be supplied under pressure to the surface of the wedge so that the wedge is released and can float laterally when large loads are applied to the system, as for example during a tooling jam. Means are provided to prevent substantial separation between the interfaces of the wedge and the remainder of the system when hydraulic fluid is applied to prevent seal extrusion or blowout. The seals are arranged to prevent blowout or extrusion when the associated faces are separated a substantial amount. Further, a hydraulic actuator is provided to take up the load on the mechanical adjusting screws prior to release of the jam and to control the movement of the wedge once it is released.

REFERENCES:
patent: 1716414 (1929-06-01), Beyer
patent: 2826947 (1958-03-01), Creek
patent: 3538201 (1971-06-01), Topaz
patent: 3889515 (1975-06-01), Grombka

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