Importance

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Abstract

A polishing machine comprising a frame, an upper and a lower working wheel each having opposing working surfaces, at least one of the working wheels being rotatably supported by the frame and driven by driving means, with a plurality of runner wheels being located between the working surfaces of the upper and the lower working wheel, the runner wheels having aperatures for the accommodation of work pieces and a toothing at the circumference thereof, an outer and an inner circular row of equally spaced pins, the pins being retained by a respective pin ring, the toothing of the runner wheels engaging the outer and the inner row of pins for the forward and rotating movement of the runner wheels if at least one of the row of pins is rotated, second driving means for the rotating row of pins, a source for the supply of working fluid and/or rinsing fluid between the working surfaces, interception means on the outer and the inner side of the working wheels, with the outer of the interception means being formed by a first ring attached to and encircling the outer pin ring, whereas the inner interception means is formed by a second ring which is located radially inwardly of the inner row of pins, a passage being formed between the outer pin ring and the outer working wheel and the inner ring and the lower working wheel, respectively, and being adapted to pass the working or rinsing fluid deflected by the rings downwardly into an annular collection channel which is located between the lower working wheel and a gate and adapted to selectively connect the channels to a recycling tank or another discharge, respectively.

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First Claim