CN211463354U

CN211463354U - Mill and grinding roller for milling machine

Info

Publication number: CN211463354U
Application number: CN201922066743.XU
Authority: CN
Inventors: 朱明敏
Original assignee: Jiangyin Yurui New Charge Co Ltd
Current assignee: Jiangyin Yurui New Charge Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-11
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a mill and grinding roller for milling machine relates to milling machine technical field, for solving current mill and grinding roller and generally adopt high chromium or the preparation of hard nickel alloy to form, the problem of easy wearing and tearing. Mill fixing support is installed to the inside lower extreme of mill grinding box of milling machine, the mill is installed to mill fixing support's upper end, and the mill sets up to integrated into one piece structure with mill fixing support, the grinding roller is all installed to the both sides of mill top, and the grinding roller includes first unit grinding roller and second unit grinding roller, and first unit grinding roller and second unit grinding roller welded connection, and the outside of first unit grinding roller and second unit grinding roller all installs a plurality of supplementary lug, a plurality of supplementary lug that grinds all imbeds the inside of first unit grinding roller and second unit grinding roller, and the centre fixed disk is all installed to the inside centre of first unit grinding roller and second unit grinding roller, install high strength spring between central fixed disk and the supplementary lug that grinds.

Description

Mill and grinding roller for milling machine

Technical Field

The utility model relates to a roll powder quick-witted technical field, specifically be a mill and grinding roller for roll powder machine.

Background

The milling machine is mainly used for processing high-fineness powder of more than three hundred materials in the industries of non-inflammable and explosive mineral products, chemical engineering, buildings and the like, enables the materials to be finer and easier to divide labor, is popular in the market, and is widely applicable to barite, calcite, potash feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, heat-insulating materials and the like.

However, the existing millstone and grinding roller are generally made of high-chromium or hard nickel alloy and are easy to wear; therefore, the existing requirements are not met, and a grinding disc and a grinding roller for a mill are provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mill and grinding roller for milling machine to solve the current mill and the grinding roller that provide among the above-mentioned background art and generally adopt high chromium or the preparation of hard nickel alloy to form, the problem of easy wearing and tearing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mill and grinding roller for milling machine, includes milling machine grinding case, mill fixed bearing is installed to the inside lower extreme of milling machine grinding case, the mill is installed to mill fixed bearing's upper end, and the mill sets up to the integrated into one piece structure with mill fixed bearing, the grinding roller is all installed to the both sides of mill top, and the grinding roller includes first unit grinding roller and second unit grinding roller, and first unit grinding roller and second unit grinding roller welded connection, and a plurality of supplementary lug of grinding are all installed to the outside of first unit grinding roller and second unit grinding roller.

Preferably, a plurality of auxiliary grinding lugs are embedded into the first unit grinding roller and the second unit grinding roller, a central fixing disc is arranged in the middle of the first unit grinding roller and the second unit grinding roller, and a high-strength spring is arranged between the central fixing disc and the auxiliary grinding lugs.

Preferably, gear drive box is installed to the lower extreme of milling machine grinding box, motor reducer is installed to one side of gear drive box, big bevel gear is installed to motor reducer's one end, and big bevel gear passes through the coupling joint with motor reducer, and the inside of big bevel gear embedding gear drive box, little bevel gear is installed to the one end of big bevel gear, and the bottom of little bevel gear passes through the bearing with gear drive box and is connected, the transmission shaft is installed to the upper end of little bevel gear.

Preferably, the motor is installed in the middle of the outer side of the grinding roller, and the support frames are installed at the front end and the rear end of the outer side of the grinding roller.

Preferably, the mill grinds the case upper end and installs central homocline pipe, and the inside of mill grinding case is installed to the lower extreme embedding of central homocline pipe, the guide plate is all installed to mill fixed bolster's both sides, and guide plate and mill grinding case welded connection, the both sides of mill grinding case lower extreme all are provided with the powder discharge gate.

Preferably, one end of the high-strength spring is connected with the central fixing plate through a screw, and the other end of the high-strength spring is connected with the auxiliary grinding bump through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with a plurality of supplementary grinding lugs in the outside of grinding roller, carry out the shrink of different degree to the material piece of equidimension not in the process of grinding, play the rigidity that reduces grinding roller and material direct contact to reduce the wearing and tearing to the grinding roller, prolong the life of grinding roller, also reduced cost of maintenance simultaneously;

2. the utility model discloses a grinding roller is constituteed jointly to first unit grinding roller and second unit grinding roller, the cooperation mill uses, when grinding, motor reducer work drives big bevel gear and rotates, big bevel gear drives bevel pinion and rotates, bevel pinion drives the mill and rotates, motor work drives the grinding roller and rotates and grinds, the material produces centrifugal force on the mill, make the material be close to the grinding roller of both sides, the material is earlier ground through first unit grinding roller, until grinding to the particle diameter that can pass through first unit grinding roller, grind through second unit grinding roller again, grind the powder after accomplishing and pass through the discharge gate discharge can, grind through twice grades, the substep reaches the material particle diameter of grinding regulation, further reduce the rigidity of grinding roller and material direct contact, further reduce the wearing and tearing to the grinding roller, the life of extension grinding roller.

Drawings

FIG. 1 is a schematic structural view of a grinding disc and a grinding roller for a milling machine according to the present invention;

FIG. 2 is a schematic structural view of a grinding roller according to the present invention;

fig. 3 is a schematic structural diagram of the gear transmission case of the present invention.

In the figure: 1. a grinding box of a milling machine; 2. a millstone fixed support; 3. a grinding disc; 4. grinding the roller; 5. a first unit grinding roller; 6. a second unit grinding roller; 7. auxiliary grinding of the bumps; 8. a central fixed disk; 9. a high-strength spring; 10. a gear transmission case; 11. a motor reducer; 12. a large bevel gear; 13. a bevel pinion gear; 14. a drive shaft; 15. a motor; 16. a support frame; 17. a central material homogenizing pipe; 18. a baffle; 19. and (4) discharging the powder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a mill and grinding roller for milling machine, including milling machine grinding case 1, mill fixed bolster 2 is installed to the inside lower extreme of milling machine grinding case 1, mill 3 is installed to mill fixed bolster 2's upper end, and mill 3 sets up to the integrated into one piece structure with mill fixed bolster 2, grinding roller 4 is all installed to the both sides of mill 3 top, and grinding roller 4 includes first unit grinding roller 5 and second unit grinding roller 6, and first

unit grinding roller

5 and 6 welded connection of second unit grinding roller, and a plurality of supplementary grinding lugs 7 are all installed to the outside of first unit grinding roller 5 and second unit grinding roller 6, grind through twice grades, reach the material particle diameter of grinding regulation step by step, reduce the rigidity of grinding roller 4 and material direct contact, reduce the wearing and tearing to grinding roller 4, prolong the life of grinding roller 4.

Further, a plurality of supplementary grinding lug 7 all imbed the inside of first unit grinding roller 5 and second unit grinding roller 6, and the centre of first unit grinding roller 5 and the inside of second unit grinding roller 6 all installs central fixed disk 8, install high strength spring 9 between central fixed disk 8 and the supplementary grinding lug 7, the in-process of grinding drives supplementary grinding lug 7 to the material piece high strength spring 9 of equidimension not and carries out the shrink of different degrees, play and reduce grinding roller 4 and material direct contact's rigidity, thereby reduce the wearing and tearing to grinding roller 4.

Further, a gear transmission box 10 is installed at the lower end of a grinding box 1 of the flour mill, a motor speed reducer 11 is installed at one side of the gear transmission box 10, a large bevel gear 12 is installed at one end of the motor speed reducer 11, the large bevel gear 12 is connected with the motor speed reducer 11 through a coupler, the large bevel gear 12 is embedded into the gear transmission box 10, a small bevel gear 13 is installed at one end of the large bevel gear 12, the bottom end of the small bevel gear 13 is connected with the gear transmission box 10 through a bearing, a transmission shaft 14 is installed at the upper end of the small bevel gear 13, the motor speed reducer 11 works to drive the large bevel gear 12 to rotate, the large bevel gear 12 drives the small bevel gear 13 to rotate, the small bevel gear 13 drives a grinding disc 3 to rotate through the transmission shaft 14, and the materials generate centrifugal force at the upper.

Further, a motor 15 is installed in the middle of the outer side of the grinding roller 4, support frames 16 are installed at the front end and the rear end of the outer side of the grinding roller 4, and the grinding roller 4 is driven to rotate by the motor 15, namely the first unit grinding roller 5 and the second unit grinding roller 6 are driven to grind.

Further, central homogenizing pipe 17 is installed to milling machine grinding case 1 upper end, and the material that waits to grind passes through central homogenizing pipe 17 introduction milling machine grinding case 1's inside, and the inside of milling machine grinding case 1 of lower extreme embedding of central homogenizing pipe 17, and guide plate 18 is all installed to the both sides of mill fixing support 2, and guide plate 18 and milling machine grinding case 1 welded connection, and the both sides of milling machine grinding case 1 lower extreme all are provided with powder discharge gate 19, and the powder after the grinding is accomplished passes through powder discharge gate 19 and discharges can.

Further, one end of the high-strength spring 9 is connected with the central fixing disc 8 through a screw, the other end of the high-strength spring 9 is connected with the auxiliary grinding lug 7 through a screw, the connection mode is simple, and the installation and the disassembly are convenient.

The working principle is as follows: when the material grinder is used, a material to be ground is introduced into the grinding box 1 of the powder grinder through the central material homogenizing pipe 17, the motor reducer 11 works to drive the large bevel gear 12 to rotate, the large bevel gear 12 drives the small bevel gear 13 to rotate, the small bevel gear 13 drives the grinding disc 3 to rotate through the transmission shaft 14, the motor 15 works to drive the grinding roller 4 to rotate, namely, the first unit grinding roller 5 and the second unit grinding roller 6 are driven to grind, the material generates centrifugal force at the upper end of the grinding disc 3 to enable the material to approach the grinding rollers 4 at two sides, the material is firstly ground by the first unit grinding roller 5 until the material is ground to a particle size capable of passing through the first unit grinding roller 5 and then is ground by the second unit grinding roller 6, the auxiliary grinding lugs 7 are driven to shrink to different degrees by the high-strength springs 9 of material blocks with different sizes in the grinding process, and the direct contact rigidity between the, therefore, the abrasion to the grinding roller 4 is reduced, the service life of the grinding roller 4 is prolonged, meanwhile, the maintenance cost is also reduced, the powder after grinding is discharged through the powder discharge port 19, the specified material particle size is ground step by step through twice graded grinding, the rigidity of direct contact between the grinding roller 4 and the material is further reduced, the abrasion to the grinding roller 4 is further reduced, and the service life of the grinding roller 4 is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mill is mill and grinding roller for milling machine, includes milling machine grinding case (1), its characterized in that: mill fixing support (2) are installed to the inside lower extreme of milling case (1) of milling machine, mill (3) are installed to the upper end of mill fixing support (2), and set up to the integrated into one piece structure with mill fixing support (2) mill (3), grinding roller (4) are all installed to the both sides of mill (3) top, and grinding roller (4) include first unit grinding roller (5) and second unit grinding roller (6), and first unit grinding roller (5) and second unit grinding roller (6) welded connection, and a plurality of supplementary lug (7) of grinding are all installed to the outside of first unit grinding roller (5) and second unit grinding roller (6).

2. A grating disc and a grating roller for a mill according to claim 1, characterized in that: a plurality of supplementary grinding lug (7) all imbed the inside of first unit grinding roller (5) and second unit grinding roller (6), and central fixed disk (8) are all installed to the inside centre of first unit grinding roller (5) and second unit grinding roller (6), install high strength spring (9) between central fixed disk (8) and supplementary grinding lug (7).

3. A grating disc and a grating roller for a mill according to claim 1, characterized in that: gear drive case (10) are installed to the lower extreme of milling machine grinding case (1), motor reducer (11) are installed to one side of gear drive case (10), big bevel gear (12) are installed to the one end of motor reducer (11), and pass through the coupling joint with motor reducer (11) big bevel gear (12), and the inside of big bevel gear (12) embedding gear drive case (10), bevel pinion (13) are installed to the one end of big bevel gear (12), and the bottom of bevel pinion (13) passes through the bearing with gear drive case (10) and is connected, transmission shaft (14) are installed to the upper end of bevel pinion (13).

4. A grating disc and a grating roller for a mill according to claim 1, characterized in that: the grinding roller grinding device is characterized in that a motor (15) is installed in the middle of the outer side of the grinding roller (4), and supporting frames (16) are installed at the front end and the rear end of the outer side of the grinding roller (4).

5. A grating disc and a grating roller for a mill according to claim 1, characterized in that: the grinding device is characterized in that a central material homogenizing pipe (17) is installed at the upper end of the grinding box (1) of the grinding machine, the lower end of the central material homogenizing pipe (17) is embedded into the grinding box (1) of the grinding machine, guide plates (18) are installed on two sides of the grinding disc fixing support (2), the guide plates (18) are connected with the grinding box (1) of the grinding machine in a welded mode, and powder discharge holes (19) are formed in two sides of the lower end of the grinding box (1) of the grinding machine.

6. A grinding disc and grinding roller for a mill according to claim 2, characterized in that: one end of the high-strength spring (9) is connected with the central fixed disk (8) through a screw, and the other end of the high-strength spring (9) is connected with the auxiliary grinding lug (7) through a screw.