CN2537463Y - Centrifugal circular mill - Google Patents

Abstract

The utility model relates to a centrifugal ring roll mill, which is characterized in that a plurality of redial long grooves (16) are evenly distributed at the periphery of the top rotary plate (10) and the rotary plates, wherein the long grooves on the upper surface and the lower surface of the rotary plates are stagger mutually, on the facing surfaces of the adjacent rotary plates, a group of grinding assembly (11) which can be moved in radial direction is arranged in each pair of long grooves in the same radial direction; a rolling bearing (20) is connected between the spindle (25) of the grinding ring and the grinding ring (19), and a labyrinth seal is arranged on the upper and the lower end face of the connecting part. The utility model has the advantages of high efficiency, good effect, long service life of the grinding device, easy replacement, and obvious economical and social benefit.

Description

The centrifugal hoop grinding machine

Technical field

The utility model belongs to the grinding machinery field.

Background technology

The more conventional annular grinder of existing centrifugal hoop grinding machine has the advantage that unit power consumption is few, the steel consumption is low, production capacity is high, with the dry grinding lime stone is example, the former power consumption only is the latter's 20%, the steel consumption is 27-20%, and the annular grinder of  a 530 * 400mm can reach the production capacity of the conventional ball mill of four  1500 * 1500mm.But when the conventional annular grinder that moving blade is arranged was used for mining processing industry, because of serious wear such as bearing, moving blades, balance was easily destroyed, and the overhaul of the equipments workload is big, caused this class machinery to be used in mining processing industry seldom.Another kind of centrifugal hoop grinding machine is without moving blade, but by being fixed on the relative motion grinding material that grinds ring and grinder liner plate of each layer rotating disk periphery, owing to there not being sealing between the axle of grinding ring and its location usefulness, axle is pressed again to the madial wall that grinds annular distance during work, grinding ring implements roll extrusion simultaneously to the grinding charge material and dawdles the service life that serious wearing and tearing directly have influence on axle and grind ring.

Summary of the invention

The technical problems to be solved in the utility model is to reduce the grinding charge material to grinding the wearing and tearing of ring, improves the service life of grinding ring, and creates conditions for ease of replacing.

The utility model solves the problems of the technologies described above with following technical scheme: at the bottom surface of top rotating disk 10 and upper bottom surface, the uniform the same number of radially elongated slot 16 of bottom surface periphery of other each rotating disk, the radially elongated slot of each rotating disk upper bottom surface and bottom surface staggers, on every adjacent two rotating disk opposite faces, all being embedded with one group in every pair of identical elongated slot of radial position can be at the grinding assembly 11 of elongated slot intrinsic displacement, grind ring axle 25 and grind ring and have rolling bearing 20 to link to each other between 19, labyrinth seal about the upper and lower end face of junction has respectively.

Centrifugal hoop grinding machine grinding efficiency height of the present utility model, effective, grind the loop device long service life and be easy to again change, economic and social benefit is obvious.

Description of drawings

Fig. 1 is the structural representation of the utility model centrifugal grinder.Grinder among this figure has five rotating disks.

Fig. 2 has only bottom surface that the radially shape schematic diagram of the top rotating disk 10 of elongated slot 16 is arranged.

Fig. 3 goes to the bottom on one radially other each rotating disk shape schematic diagram of elongated slot is all arranged.Dotted line is represented the radially elongated slot at the back side among the figure.The keyway position of rotating disk has two kinds, and when having six to grind the ring assembly between per two rotating disks, the keyway angle of circumference of two kinds of rotating disks differs 30 degree.

Fig. 4 is embedded between two rotating disks one to grind ring assembly 11 structural representations.There are the parts of oblique lower left and lower right hatching to be respectively the rotating disk that grinds ring assembly above and below.

The specific embodiment

At the fixing liner plate 9 of the useful screw of cylindrical shell 12 inwalls of annular grinder 15, the rotating disk that has some levels to install in the tube, there is cover 8 on the tube top, the bottom surface periphery of top rotating disk 10 all has the identical and uniform radially elongated slot 16 of number with other each rotating disk upper bottom surface, bottom surface, radially elongated slot on each rotating disk upper bottom surface and the bottom surface staggers, radially elongated slot radial position on every adjacent two rotating disk opposite faces is identical, every pair radially all have in the identical radially elongated slot in position one group can in elongated slot, do radial displacement grind ring assembly 11; Grind ring axle 25 and grind ring and link to each other with rolling bearing 20 between 19, the upper and lower end face of junction is respectively by by fixing labyrinth lid 17 with rotate the labyrinth lid 18 last labyrinth seals of forming, by fixedly labyrinth lid 22 and the lid 21 following labyrinth seals of forming of rotation labyrinth, also have dust retaining ring of going up 24 and following dust retaining ring 23.Each rotating disk was through key 7 location when unit was installed.During grinder work, motor 1 through belt pulley 2, belt 3, belt pulley 4 with transmission of power to main shaft 6, drive grinding assembly 11 rotations that are contained between each rotating disk by each rotating disk again, under centrifugal action, respectively grind the ring assembly along the radially elongated slot on each rotating disk to the periphery radial displacement, after grinding the liner plate 9 that articulating contacts barrel, grind ring beginning rotation, by charging aperture 5 enter fallen on the top rotating disk 10 by abrasive material the time be thrown toward around, from liner plate with grind and fall between the ring and ground, directly fall to output on the base 13 below the cylindrical shell.Because attrition process is ground for roll extrusion entirely, not only grinding effect is good, and grinds and encircle and the wear liner degree obviously reduces.Change when grinding assembly,, can pick and place and respectively grind the ring assembly as long as open half cylindrical shell that connects through hinge 14.If arts demand, can be below the bottom rotating disk rotating disk of adjunction relevant block number, to grind the thinner product of particle.

Claims (1)

1, a kind of centrifugal hoop grinding machine, cylindrical shell, liner plate, rotating disk are arranged, grind ring etc., it is characterized in that at the bottom surface of top rotating disk 10 and the uniform the same number of radially elongated slot of upper and lower bottom periphery (16) of each rotating disk, the radially elongated slot of each rotating disk upper bottom surface and bottom surface staggers, on every adjacent two rotating disk opposite faces, all being embedded with one group in every pair of identical elongated slot of radial position can be at the grinding assembly (11) of elongated slot intrinsic displacement, grinding ring axle (25) has rolling bearing (20) to link to each other with grinding between the ring (19), the upper and lower side of junction has labyrinth seal.

Images