Quartz sand grinder

Abstract

A quartz sand grinder comprises concrete supporting frames, two cross beams are fixed to the top ends of the concrete supporting frames, and the middle portions of the cross beams are welded to a positioning sleeve. A supporting plate is welded between the two cross beams, and a speed reducer is fixed to the supporting plate. A motor is fixed to the tops of the two cross beams and connected with the speed reducer through a conveyor belt, a small gear of the speed reducer is engaged with a large gear disc which is arranged on a central sleeve in a sleeving mode, and the large gear disc is supported by a plane bearing; the central sleeve penetrates through a central shaft hole of the positioning sleeve, and the upper end of the central sleeve is locked through a cap; a central shaft is mounted in the central shaft hole, and a thrust bearing is arranged between the central shaft and the wall of the central shaft hole; two big arms are symmetrically mounted at the bottom of the large gear disc, and a transverse shaft penetrates through the lower end of the central shaft; and two grinding stone rollers are mounted at the two ends of the transverse shaft correspondingly, and the lower ends of the two big arms are symmetrically mounted at the two ends of the transverse shaft. The large gear disc of the quartz sand grinder is supported by the plane bearing, lubricating oil can be added into the plane bearing, abrasion of the plane bearing is lowered, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of quartz sand processing, in particular to a quartz sand mill. Background technique [0002] Quartz sand is an important raw material for glass. In the process of producing quartz sand suitable for the glass industry, it is necessary to grind the quartz sand into fine particles or powder. When grinding quartz sand, a quartz sand mill is usually used. Chinese patent (patent No. CN201510334958.9) discloses a quartz sand rolling device, including: a support frame fixed on the ground, the support frame is connected to a suspension beam, and a motor connected to the suspension beam; the suspension beam is connected to a fixed cylinder, fixed The cylinder is connected to the fixed disk; the fixed cylinder is connected with a circle of radial positioning wheels; the fixed disk is uniformly fixed with a circle of axial positioning wheels; the radial positioning wheels and the axial positioning wheels are assembled and conne...

AI Technical Summary

Problems solved by technology

The weight of the large gear disc of this device is all pressed on the axial positioning wheel, the friction force between the large gear disc and the axial positioning wheel in the rotation process is relatively large, and the axial positioning wheel cannot be lubricated with lubricating oil, not only It produces a lot of noise and is easy to wear the axial positioning wheel; moreover, the large gear plate is only positioned by the upper positioning shaft in the middle, and it is also prone to vibration during rotation, which increases the friction of the axial positioning wheel. Heavy load, difficult to replace, reduce the service life of the whole device

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