CN2875585Y

CN2875585Y - Forced multistage disc mill

Info

Publication number: CN2875585Y
Application number: CN 200520037158
Authority: CN
Inventors: 周秋来
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-12
Filing date: 2005-12-12
Publication date: 2007-03-07
Anticipated expiration: 2015-12-12

Abstract

A compulsion multipole disc refiner is provided. At least two grinding discs should be axially arranged on the mainshaft in turn; the upper end of the mainshaft is arranged on the fixed support beam of the mainshaft; the bottom end is arranged on the bottom seat and the lower part of the mainshaft has a belt wheel; the top of the chassis is the material feeding hopper and the bottom is the material outlet hopper; the upper grinding disc consists of at least two jointed concentric hollow cylinders; a material inlet is arranged in the middle part; an U-type trough is arranged below the upper grinding disc; the upper cone surface of the lower grinding disc dynamically and statically fits with the lower cone surface of the upper grinding disc; the screening material blocking plate is arranged at the peripheral of grinding chamber of all layers except the lowest layer; the material receiving and inlet hopper is arranged on the grinding disc of all layers except the top layer; the material receiving and inlet hopper is communicated with the next grade grinding chamber by the material mouth; the material blocking plate is arranged at the peripheral of the lowest grade of the grinding chamber. The utility model has the advantages of high production efficiency, simple structure, easy operation, no over-grinding phenomena, and long maintenance period and low cost.

Description

The multistage disc mill of forced action type

Technical field

The utility model is to be used for a kind of grinding device of comminuting matter, further is meant the multistage disc mill of a kind of forced action type.

Background technology

At present, known grinding machine has a few class machineries such as ball mushroom machine, grinding mill, these several grinding machines exist mill efficiency low, grinding phenomenon, complex structure and drawback such as difficult in maintenance arranged.

Summary of the invention

The technical problem that the utility model need solve is at the deficiencies in the prior art, proposes the multistage disc mill of a kind of forced action type, and its mill efficiency height, simple in structure, maintenance period be long, do not have the grinding phenomenon.

The technical scheme that its technical problem that solves the utility model adopts is: the multistage disc mill of described forced action type is that at least two lower millstones are housed on the main shaft vertically successively, described main shaft upper end is installed on the main shaft fixed support beam, the bottom is installed on the base and belt pulley is equipped with in the main shaft bottom, the cabinet top is a feeding hopper and the bottom is a discharge bucket, feeding hopper is installed on the upper millstone of last layer, described upper millstone is that the positive camber of a hollow circular cylinder of hollow circular cylinder of taper seat is connected mutually with the negative camber of another hollow circular cylinder and forms by the bottom surface of at least two concentrics, upper millstone middle part be provided with charging aperture and below be provided with U-lag, lower millstone become circular cone and upper surface become the lower surface of taper seat with upper millstone be that sound cooperate to form a grinding chamber, all the other peripheries, each layer grinding chamber are equipped with the screening striker plate except that basecoat, be equipped with the feed hopper that connects material on the next stage upper millstone, the feed hopper that connects material communicates with next stage grinding chamber through charging aperture, and periphery, next stage grinding chamber is provided with striker plate.

Below make and further specifying.

Referring to Fig. 1, the utility model comprises that main shaft 11 upper ends are installed on the main shaft fixed support beam 1, the bottom is installed on the base 21 and belt pulley 22 is equipped with in main shaft 11 bottoms, at least two lower millstones 14 are housed on the main shaft 11 vertically successively, described lower millstone 14 upper surface middle part become taper seat a little more than periphery, cone element becomes the angle of 1 to 5 degree with the bottom surface, cabinet 15 tops are feeding hoppers 12 and discharge bucket 10 is arranged at the bottom, feeding hopper 12 is installed on the upper millstone 13 of last layer, upper millstone 13 is that the positive camber of a hollow circular cylinder of hollow circular cylinder of taper seat is connected mutually with the negative camber of another hollow circular cylinder and forms by the bottom surface of at least two concentrics, a kind of example structure of described upper millstone 13 is that the positive camber of ring 19 in the upper millstone is connected composition mutually with the negative camber of upper millstone outer shroud 20, upper millstone 13 middle parts are provided with charging aperture 16, upper millstone 13 lower surfaces inwardly are recessed into taper seat, the angle of cone element and bottom surface and the angle angle of lower millstone 14 upper surface cone elements and bottom surface are consistent, ring 19 all is equipped with upper millstone built-in beam 5 with upper millstone outer shroud 20 in the upper millstone, lower millstone 14 upper surfaces are that sound cooperates formation grinding chamber with upper millstone 13 lower surfaces, each layer of except that basecoat all the other is provided with screening striker plate 17 in the periphery a little less than lower millstone 14 top surface edge, described screening striker plate 17 is fixed on the upper millstone 13 and adjustable-height and width, and periphery, basecoat grinding chamber is provided with striker plate 9 and is installed on the upper millstone 13.Main shaft fixed support beam 1 is installed on the fixed mount 7 by the lead 2 of bolt arrangement, produce certain upwards supporting role by 3 pairs of main shafts of main shaft fixed support beam 1 spring 11, the two ends of upper millstone built-in beam 5 are installed on the fixed mount 7, upper millstone built-in beam 5 passes cabinet 15 places and is provided with the flexible piece 8 of sealing, described upper millstone built-in beam 5 two ends are installed on the fixed mount 7 and can not swing, and are equipped with above the two ends of upper millstone built-in beam 5 to be equipped with small oil tank 6 control upper millstone built-in beams 5 below the large tank 4 and to move up and down.

As shown in Figure 2, a kind of example structure of upper millstone 13 is: upper millstone 13 is connected mutually with the negative camber of upper millstone outer shroud 20 by the positive camber of ring 19 in the upper millstone and forms, upper millstone 13 central authorities are provided with upper millstone centre bore 23, upper millstone centre bore 23 peripheries are provided with charging aperture 16, upper millstone 13 bottom surfaces have U-lag 24, and U-lag 24 communicates with the external world through upper millstone outer shroud 20, U-lag 24 quantity of an inferior outer ring bull ring are 1 to 3 times of an interior ring bull ring, U-lag 24 in the upper millstone on the ring 19 communicates the plane, center line place of described U-lag 24 and the center line of upper millstone 13 with the U-lag 24 on upper millstone centre bore 23 and the upper millstone outer shroud 20, the determined plane of the end points of the center line of U-lag 24 on the curved surface of centre bore 23 becomes the angle of 2 to 6 degree.

The utility model structural principle is: small oil tank 6 produces support force upwards by hydraulic means to upper millstone built-in beam 5, reduce the resistance of 13 pairs of lower millstones of upper millstone, 14 rotations, main shaft 11 drives lower millstone 14 rotations, upper millstone built-in beam 5 fixedly upper millstone 13 does not rotate with lower millstone 14, this moment, the grinding charge material entered grinding chamber between upper millstone 13 and the lower millstone 14 by feeding hopper 12 through the charging aperture on the upper millstone 13 16, after lower millstone 14 enters and normally runs up, small oil tank 6 unloads gradually, large tank 4 begins to load and presses down upper millstone built-in beam 5 behind small oil tank 6 complete discharges, increase the pressure of 13 pairs of grinding charge material of upper millstone, can encircle 19 in the upper millstone to each layer as required, upper millstone outer shroud 20 applies different pressure respectively and regulates the grinding time, fineness and charging rate, the grinding charge material is subjected to the pressure of upper millstone 13, the mill of rolling pressure and upper millstone 13 and lower millstone 14 at U-lag 24 edges is shelled and is sheared and pulverizes, a small amount of overload grinding charge material can directly be flowed out by U-lag 24, pass through centrifugal action, the grinding chamber of taper seat shape and U-lag 24 change the rotational trajectory of grinding charge material in the grinding chamber, make material in the grinding chamber, behind the certain hour grinding, be thrown out of, because the material that inertia comes out from the grinding chamber gets rid of to screening striker plate 17, screenedly below the bigger and less material of part particle diameter reaches come out to fall into cabinet 15 above screening striker plate 17, select to screen the raw meal particle size scope by height and the width of regulating screening striker plate 17, rest materials falls into 18 li of the feed hoppers of connecting material in the effect of screening striker plate 17 except that the screened material that comes out to fall into cabinet 15, the grinding charge material of 18 li of feed hoppers of connecting material enters next stage grinding chamber through charging aperture 16 and carries out grinding, so circulation, grind, screening, up to next stage grinding chamber grinding material, grinding charge material under the effect of striker plate 9 behind the afterbody grinding all falls in the cabinet 15, and the material that each grade falls in the cabinet 15 is discharged by discharge bucket 10.

The beneficial effects of the utility model are: the production efficiency height, and simple in structure, processing ease.The liner plate of being inlayed on upper millstone and the lower millstone is made by high-abrasive material, directly replaces with mill and liner plate after the wearing and tearing, so maintenance period is long, cost is low.The working face of the taper seat shape of mill and U-lag limited the grinding charge material at time of staying in grinding chamber and screening striker plate to by the screening of grinding material, eliminated and crossed the grinding phenomenon.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the internal structure schematic diagram of embodiment of the present utility model.

Fig. 2 be among Fig. 1 upper millstone 13 look up structural representation.

Fig. 3 is an I-I cutaway view among Fig. 2.

Among the figure:

1. main shaft fixed support beam, 2. lead, 3. spring, 4. large tank, 5. upper millstone built-in beam, 6 small oil tanks, 7. fixed mount, the 8. flexible piece of sealing, 9. striker plate, 10. discharge bucket, 11. main shafts, 12. feeding hoppers, 13. upper millstone, 14. lower millstones, 15. cabinets, 16. charging apertures, 17. the screening striker plate, ring in 18. feed hoppers that connect material, 19. upper millstones, 20. upper millstone outer shrouds, 21. base, 22. belt pulleys, 23. upper millstone centre bores, 24.U shape groove.

Concrete real-time mode

According to Fig. 1, Fig. 2, in embodiment illustrated in fig. 3, main shaft 11 upper ends are installed on the main shaft fixed support beam 1, the bottom is installed on the base 21 and belt pulley 22 is equipped with in main shaft 11 bottoms, at least two lower millstones 14 are housed on the main shaft 11 vertically successively, cabinet 15 tops are feeding hoppers 12 and bottom is a discharge bucket 10, feeding hopper 12 is installed on the upper millstone 13, upper millstone 13 is that the positive camber of a hollow circular cylinder of hollow circular cylinder of taper seat is connected mutually with the negative camber of another hollow circular cylinder and forms by the bottom surface of at least two concentrics, described upper millstone 13 is connected mutually with the negative camber of upper millstone outer shroud 20 by the positive camber of ring 19 in the upper millstone and forms, the middle part is provided with charging aperture 17, be provided with U-lag 24 below the upper millstone 13, the plane, center line place of described U-lag 24 and the center line of upper millstone 13, the determined plane of the end points of the center line of U-lag 24 on the curved surface of centre bore 23 becomes the angle of 2 to 6 degree, the lower surface of 13 one-tenth taper seats of the upper surface of 14 one-tenth taper seats of lower millstone and upper millstone is that sound cooperates formation one grinding chamber, all the other peripheries, each layer grinding chamber are provided with screening striker plate 17 except that basecoat, described screening striker plate 17 is installed in adjustable-height and width on the upper millstone 13, the upper millstone 13 of all the other each layers is provided with the feed hopper 18 that connects material except that last layer, the feed hopper 18 that connects material communicates with next stage grinding chamber through charging aperture 17, and periphery, next stage grinding chamber is provided with striker plate 9.

Main shaft fixed support beam 1 is installed on the fixed mount 7 by the lead 2 of bolt arrangement, produce certain upwards supporting role by 3 pairs of main shafts of main shaft fixed support beam 1 spring 11, the two ends of upper millstone built-in beam 5 are installed on the fixed mount 7, upper millstone built-in beam 5 passes cabinet 15 places and is provided with the flexible piece 8 of sealing, described upper millstone built-in beam 5 can not be swung by fixed mount 7 restrictions, be equipped with above the two ends of upper millstone built-in beam 5 and be equipped with small oil tank 6 below the large tank 4, can encircle 19 in the upper millstone to each layer through upper millstone built-in beam 5 and large tank 4 as required, upper millstone outer shroud 20 applies different pressure respectively.

Claims

1, the multistage disc mill of a kind of forced action type, main shaft (11) upper end is installed on the main shaft fixed support beam (1), the bottom is installed on the base (21) and belt pulley (22) is equipped with in main shaft (11) bottom, cabinet (15) top is a feeding hopper (12) and the bottom is discharge bucket (10), feeding hopper (12) is installed on the upper millstone (13) of last layer, the upper surface of lower millstone (14) is that sound cooperates formation one grinding chamber with the lower surface of upper millstone (13), it is characterized in that: at least two lower millstones (14) are housed on the main shaft (11) vertically successively, described upper millstone (13) is that the hollow circular cylinder of taper seat is formed by the bottom surface of at least two concentrics, all the other peripheries, each layer grinding chamber are equipped with screening striker plate (17) except that basecoat, be equipped with the feed hopper that connects material (18) on the upper millstone (13) of all the other each layers except that last layer, periphery, next stage grinding chamber is provided with striker plate (9).

2, the multistage disc mill of forced action type according to claim 1 is characterized in that the upper surface of lower millstone (14) becomes taper seat shape with the lower surface of upper millstone (13).

3, the multistage disc mill of forced action type according to claim 1, it is characterized in that upper millstone (13) bottom surface has U-lag (24), the plane, center line place of U-lag (24) becomes the angle of 2 to 6 degree with the determined plane of the end points of center line on the curved surface of centre bore (23) of the center line of upper millstone (13), U-lag (24).