Vibration device for mfg. concrete tiles - has hollow spindle with helical shaped groove

摘要

The vibratory spindle mechanism drives a sieve for mfg. concrete tiles. It includes hollow spindle and rod arrangement. The rotary spindle (1) is supported in a vibratory mechanism and is hollow to contain rod (12). The rod has a bolt screwed in it which protrudes through helical shaped groove (4). The bolt has an eccentric positioned mass (5). The spindle has a fixed eccentric mass (6).