Wheel spoke extrusion stretcher

Details Wheel spoke extrusion stretcher Wheel spoke extrusion stretcher

1997-05-29

1998-04-21

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

With cutting

72302, 72403, 72424, 140 1, 29 34D, B32F 3900

Patent

active

057406898

ABSTRACT:
A wheel spoke extrusion stretcher including a main shaft turned by a motor through a belt transmission mechanism, two driven shafts turned by said main shaft through helical gears, a main sliding block coupled to the driven shafts by a crank and holding an eye block die and a tool block, two transmission shafts coupled to the driven shafts by bevel gears and mounted with cam wheels, two sets of chucks respectively mounted on respective transverse sliding blocks and moved by the cam wheels to seize workpiece, a swing link turned to pick up workpiece from a feed plate by jaw chucks, and a swing arm turned about an axle by one cam wheel and having a hammer bit at one end, wherein when workpiece is picked up and gripped by the chucks, the main sliding block is moved forwards to force the eye block die onto workpiece, and then the chucks are opened in proper order as the eye block die is moved forwards, and then the hammer bit of the swing arm is moved downwards to hit the tool block, causing it to cut off workpiece.

REFERENCES:
patent: 617270 (1899-01-01), Baldwin
patent: 1518869 (1924-12-01), Olson
patent: 1826350 (1931-10-01), Hawk
patent: 1865412 (1932-06-01), Geist
patent: 3123846 (1964-03-01), Prutton

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