Grinder for grinding an end surface of a cylindrical workpiece

Details Grinder for grinding an end surface of a cylindrical workpiece Grinder for grinding an end surface of a cylindrical workpiece

Filed on

1986-05-16

Date issued

1987-05-19

Examiner

Schmidt, Frederick R.

Patent Class

Abrasive tool making process, material, or composition

SubClass

With carbohydrate or reaction product thereof

Other Related Categories

51215UE, 51215CP, 51236, B24B 4100

Type

Patent

Status

active

Patent number

046656596

Description

ABSTRACT:
A cylindrical workpiece has an end face ground on two synchronously driven supporting rollers, by a grinding tool mounted on a drive shaft in front of the supporting rollers, and a loading mechanism and an unloading mechanism. The loading mechanism and the unloading mechanism are a simply functioning loading and unloading unit which has a carriage mounted above the supporting rollers limitedly slidable back and forth on an upright frame portion and two bent workpiece carriers supported on the upright frame portion pivotable about horizontal pivot axes. Each of the two bent workpiece carriers is pivotally connected by a link member to the carriage and has a working arm which is provided with a holder and with a pressing roller enclosed in the holder with a predetermined clearance. The bent workpiece carriers are pivotable with the back and forth motion of the carriage so that the working arms alternatingly pivot between a grinding position and a loading and unloading position. In the loading and unloading position the blank is forced with the help of a pushing member acting parallel to the rotation axis of the supporting rollers into the holder. Then a finished part in the holder is forced out by the blank and fed to the discharge shaft.

REFERENCES:
patent: 2369094 (1945-02-01), Weaver
patent: 3176434 (1965-04-01), Miyabayashi
patent: 3226886 (1966-01-01), Seidel
patent: 3601927 (1971-08-01), Kikuchi
patent: 4030252 (1977-06-01), Price
patent: 4038785 (1977-08-01), Scott

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