PREPRESSING MECHANISM OF THE BRIQUETTING PRESS Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: prepressing mechanism has feeding 3 and thickening 4 worms mounted in housing 1. Feeding worm 3 is made in the form of rigidly connected hollow shaft 5, glass 10 and driving bush 6. Shaft 14 of the thickening worm is mounted inside the feeding worm for turning and axial displacement relative to it. Spring 16 is set on shaft 14. One end of the spring is rigidly connected with thrust collar 15 of the shaft, and the other end with driving bush 6. EFFECT: facilitated manufacture. 1 dwg