CN203620701U

CN203620701U - Arc-shaped mill ring for suspension roll mill

Info

Publication number: CN203620701U
Application number: CN201320826224.9U
Authority: CN
Inventors: 陈建国; 张凌川
Original assignee: Shanghai Zenith Mining And Construction Machinery Co Ltd
Current assignee: Shanghai Zenith Mining And Construction Machinery Co Ltd
Priority date: 2013-12-16
Filing date: 2013-12-16
Publication date: 2014-06-04
Anticipated expiration: 2023-12-16

Abstract

The utility model discloses an arc-shaped mill ring for a suspension roll mill. The arc-shaped mill ring comprises a mill ring on a machine seat, wherein an arc-shaped milling surface is arranged on the mill ring, a mill roll is mounted on a main shaft through a cone sleeve, and an arc-shaped milling surface is arranged on the surface of the mill roll; a whole mill roll assembly takes a pin shaft as a support point and swings along the support point, and a gap between the milling surfaces of the mill ring and the mill roll is uniform from top to bottom under the certain thickness of a material layer after the mill roll assembly swings.

Description

A kind of arc bull ring of overhang roll mill

Technical field

The utility model relates to a kind of arc bull ring of overhang roll mill, especially adapts on various overhang roll mills.

Background technology

Well-known overhang roll mill comprises Raymond mill, trapezoidal grinder, high pressure medium-speed pulverizer etc., extensive use is for industry milling equipments such as mine, cement, potteries, it is one of visual plant of nonmetallic mineral deep processing, because of its stable performance, adapt to strong, cost performance is high, certainly introduces China and be for many years widely used in the powder process field of nonmetallic mineral.

Overhang roll mill host work process is to drive central shaft to rotate by transmission device, the upper end of axle is connecting plum blossom frame, Burnisher apparatus is housed on frame and forms and swing fulcrum, grinding roller is in bull ring revolution, grinding roller itself is because of rubbing action rotation, perching knife system is equipped with in plum blossom frame lower end, the lower end of its position in grinding roller, perching knife and grinding roller are thrown material scraper between feeding grinding roller and bull ring with turning in journey, form padding layer, this bed of material is subject to grinding roller rotation and produces making a concerted effort material grinding of outside centrifugal force or high pressure spring pressure, reach therefrom the object of powder process.It is overhang roll mill is realized material grinding by friction and Extrusion effect between grinding roller and bull ring and raw material.After the contact shape of grinding roller and bull ring and material reduction ratio and mill, the fineness of material has very large relation, as shown in Figure 2, the material abradant surface of bull ring 2 is the face of cylinder, bull ring 2 is arranged on support 1, the material abradant surface of grinding roller 3 is also the face of cylinder, grinding roller 3 is arranged on main shaft 5 by tapered sleeve 4, whole grinding roller assembly 6 centered by bearing pin 7 at the effect lower swing of centrifugal force, material is squeezed between grinding roller 3 and bull ring 2, due to the gap difference forming up and down between grinding roller 3 and bull ring 2, cause the extruding force of material each point not of uniform size, can affect grinding machine production capacity and fineness, in order further to improve fineness and the treating capacity of product, this programme proposes a kind of arc bull ring.

Summary of the invention

The purpose of this utility model provides a kind of arc bull ring of overhang roll mill for above-mentioned the deficiencies in the prior art.

For achieving the above object, the utility model can be taked following technical proposals:

The arc bull ring of a kind of overhang roll mill described in the utility model, it comprises and is positioned at bull ring on support, on described bull ring, there is arc abradant surface, grinding roller is arranged on main shaft by tapered sleeve, described grinding roller appearance has arc abradant surface, and whole grinding roller assembly is take bearing pin as fulcrum and along a spot wobble, after grinding roller assembly swings, under certain thickness of feed layer, between bull ring and grinding roller abradant surface from top to bottom, gap is even.

Described preferably sphere of arc abradant surface.

Positive progressive effect of the present utility model is, the advantages of simple of the arc bull ring of the utility model overhang roll mill effectively guarantees the contact condition of abradant surface the best can show excellent nonferromagnetic substance.

Accompanying drawing explanation

Fig. 1 is the front view of the arc bull ring of the utility model overhang roll mill.

Fig. 2 is the front view of the bull ring of prior art overhang roll mill.

The specific embodiment

As shown in Figure 1, the arc bull ring of a kind of overhang roll mill described in the utility model, it comprises and is positioned at bull ring 2 on support 1, on described bull ring 2, have arc abradant surface, grinding roller 3 is arranged on main shaft 5 by tapered sleeve 4, and described grinding roller 3 appearances have arc abradant surface, whole grinding roller assembly 6 is take bearing pin 7 as fulcrum and along a spot wobble, after grinding roller assembly 6 swings, under certain thickness of feed layer, between bull ring 2 and grinding roller 3 abradant surface from top to bottom, gap is even.

Described preferably sphere of arc abradant surface.

Operation principle: be designed to the abradant surface of arc, in the time of grinding material, because gap is even, probability that can increment abrasive lapping, increases into powder chance, and in the time increasing extruding force, treating capacity also can improve.

Although more than described the specific embodiment of this programme, it should be appreciated by those skilled in the art that this only illustrates, all should be in protection domain in principle of the present utility model and essence, concrete embodiment can change to some extent.

Claims

1. the arc bull ring of an overhang roll mill, it comprises and is positioned at bull ring on support, on described bull ring, there is arc abradant surface, grinding roller is arranged on main shaft by tapered sleeve, described grinding roller appearance has arc abradant surface, and whole grinding roller assembly is take bearing pin as fulcrum and along a spot wobble, after grinding roller assembly swings, under certain thickness of feed layer, between bull ring and grinding roller abradant surface from top to bottom, gap is even.

2. the arc bull ring of a kind of overhang roll mill according to claim 1, is characterized in that: described preferably sphere of arc abradant surface.