CN219252833U

CN219252833U - Cement grinding device

Info

Publication number: CN219252833U
Application number: CN202320685459.4U
Authority: CN
Inventors: 周斌; 陈彬; 黄慕侠; 郑琪
Original assignee: Jiangshan Hejiashan Cement Co ltd
Current assignee: Jiangshan Hejiashan Cement Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-27
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a cement grinding device, which relates to the technical field of cement grinding and comprises a fixed base and a ball milling barrel, wherein the upper end of the fixed base is fixedly connected with a fixed plate and a fixed frame, a first bearing is fixedly connected inside the fixed plate, a second bearing is fixedly connected inside the fixed frame, a rotating assembly is arranged at the upper end of the fixed base, a guide chute is fixedly connected outside the fixed frame, a crushing assembly is arranged inside the guide chute, and a screening assembly is arranged at the left end of the ball milling barrel. Before entering the ball mill barrel, the agglomerated clinker is guided between two groups of crushing rollers through a material guide plate, and the crushing rollers relatively move under the action of a rotating motor and a connecting gear, so that the material is extruded and crushed into smaller particles when passing through, and is pre-ground into a finer state before entering the ball mill barrel, the time for subsequent grinding is saved, and the efficiency is improved.

Description

Cement grinding device

Technical Field

The utility model relates to the technical field of cement grinding, in particular to a cement grinding device.

Background

The cement grinding is the final procedure of cement manufacture, and has the main functions of grinding cement clinker to proper granularity to form certain grain size distribution, increasing the hydration area and accelerating the hydration rate, meeting the setting and hardening requirements of cement paste, and the commonly used device is a cement ball mill.

At present, the utility model patent with the publication number of CN 208018719U discloses a cement grinding device, which comprises a cylindrical grinding bin and a base fixedly arranged, wherein the grinding bin is connected to the base in a rotating way around the axial direction of the grinding bin, concave annular grooves are formed in the outer walls of the two ends of the grinding bin, a sleeve fixedly connected with the base is sleeved on the grinding bin, but in the using process of the cement grinding device, cement clinker is directly put into the device under the untreated condition, and steel balls in the device can not quickly break up the caking and can only slowly grind the caking due to the caking occurrence, so that the efficiency of the grinding device is reduced.

Therefore, in order to solve the problem that the grinding efficiency is reduced directly when the materials of the cement grinding device are not processed, the problem needs to be solved so as to improve the grinding efficiency of the device.

Disclosure of Invention

The utility model aims to provide a cement grinding device for solving the problem that the efficiency of directly grinding untreated materials is reduced in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cement grinding device, includes fixed base and ball-milling bucket, fixed base upper end fixedly connected with fixed plate and mount, the inside fixedly connected with first bearing of fixed plate, the inside fixedly connected with second bearing of mount, fixed base upper end is provided with rotating assembly, the outside fixedly connected with baffle box of mount, the inside crushing subassembly that is provided with of baffle box, ball-milling bucket left end is provided with screening subassembly.

As a preferable scheme of the utility model, the rotating assembly comprises a driving motor, a speed reducer, a driving gear, a fixed gear, a supporting frame and a roller, wherein the upper end of the fixed base is fixedly connected with the driving motor, the left end of the driving motor is fixedly connected with the useful speed reducer, the left end of the speed reducer is rotationally connected with the driving gear, the outer side of the ball milling barrel is fixedly connected with the fixed gear, the driving gear is meshed with the fixed gear, the driving gear drives the fixed gear to rotate through the driving motor, so that steel balls in the ball milling barrel move, and materials in the ball milling barrel are ground.

As a further preferable scheme of the utility model, the upper end of the fixed base is fixedly connected with the support frame, the upper end of the support frame is rotationally connected with the roller, the roller is rotationally connected with the outer side of the ball milling barrel, and the roller at the upper end of the support frame provides a certain support for the middle of the ball milling barrel so as to prevent the two ends from bearing excessive weight and damaging the device.

As the preferable scheme of the utility model, the crushing assembly comprises a feed inlet, a material guiding plate, crushing rollers, a connecting gear and a rotating motor, wherein the feed inlet is rotationally connected in the second bearing, the material guiding plate is fixedly connected to the upper end of the material guiding groove, the crushing rollers are rotationally connected in the material guiding groove, and the materials to be ground are guided between the two groups of crushing rollers through the material guiding plate, so that the materials are pre-ground into a finer state before entering the ball milling barrel, the time for subsequent grinding is saved, and the efficiency is improved.

As a further preferable scheme of the utility model, the crushing rollers are provided with two groups, the front ends of the two groups of crushing rollers are fixedly connected with connecting gears, the rear end of the right crushing roller is rotationally connected with a rotating motor, and the crushing rollers relatively move under the action of the rotating motor and the connecting gears, so that materials are extruded and crushed into smaller particles when passing through.

As a preferable scheme of the utility model, the screening component comprises a discharge hole and a filter frame, the left end of the ball milling barrel is fixedly connected with the discharge hole, the discharge hole is rotationally connected with the first bearing, the filter frame is fixedly connected with the outer side of the discharge hole, and after the ground material passes through the filter frame, larger particles after being filtered can be put into the ball milling barrel for secondary grinding, so that the discharge quality is improved.

As the preferable scheme of the utility model, the outer side of the ball milling barrel is rotationally connected with the movable window, the outer side of the movable window is provided with the fixed buckle, and the steel balls can be conveniently and timely added into the ball milling barrel by opening the fixed buckle and the movable window.

Compared with the prior art, the utility model has the beneficial effects that: before entering the ball mill barrel, the agglomerated clinker is guided between two groups of crushing rollers through a material guide plate, and then the crushing rollers relatively move under the action of a rotating motor and a connecting gear, so that the material is extruded and crushed into smaller particles when passing through, and the material is pre-ground into a finer state before entering the ball mill barrel, thereby saving the time for subsequent grinding and improving the efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the inventive embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only examples of the inventive embodiments of the present utility model, and that other drawings can be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic view of a crushing assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a ball mill barrel according to an embodiment of the present utility model;

fig. 4 is a schematic view of a screen assembly according to an embodiment of the present utility model.

Reference numerals: 1. a fixed base; 2. ball milling barrel; 3. a fixing plate; 4. a fixing frame; 5. a first bearing; 6. a second bearing; 7. a driving motor; 8. a speed reducer; 9. a drive gear; 10. a fixed gear; 11. a support frame; 12. a roller; 13. a feed inlet; 14. a guide groove; 15. a material guide plate; 16. a crushing roller; 17. a connecting gear; 18. a rotating motor; 19. a discharge port; 20. a filter frame; 21. a movable window; 22. a fixing buckle; 100. a rotating assembly; 200. a crushing assembly; 300. and (3) a screening assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the inventive embodiments of the present utility model more apparent, the inventive implementation routine will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present utility model.

In the description of the inventive embodiments, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the inventive embodiments and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the inventive embodiments.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, integrally coupled, or detachably coupled; may be a communication between the interiors of two elements; either directly or indirectly through intermediaries, the specific meaning of the terms in the inventive embodiments of the present utility model will be understood by those skilled in the art in the specific case.

Referring to fig. 1-4, the cement grinding device according to the embodiment of the utility model comprises a fixed base 1 and a ball milling barrel 2, wherein the upper end of the fixed base 1 is fixedly connected with a fixed plate 3 and a fixed frame 4, the inside of the fixed plate 3 is fixedly connected with a first bearing 5, the inside of the fixed frame 4 is fixedly connected with a second bearing 6, the upper end of the fixed base 1 is provided with a rotating assembly 100, the outside of the fixed frame 4 is fixedly connected with a guide chute 14, a crushing assembly 200 is arranged in the guide chute 14, and the left end of the ball milling barrel 2 is provided with a screening assembly 300.

The rotating assembly 100 comprises a driving motor 7, a speed reducer 8, a driving gear 9, a fixed gear 10, a supporting frame 11 and a roller 12, wherein the upper end of the fixed base 1 is fixedly connected with the driving motor 7, the left end of the driving motor 7 is fixedly connected with the useful speed reducer 8, the left end of the speed reducer 8 is rotationally connected with the driving gear 9, the outer side of the ball milling barrel 2 is fixedly connected with the fixed gear 10, the driving gear 9 is meshed with the fixed gear 10, the driving motor 7 enables the driving gear 9 to drive the fixed gear 10 to rotate, steel balls in the ball milling barrel 2 move, materials in the ball milling barrel are ground, the upper end of the fixed base 1 is fixedly connected with the supporting frame 11, the upper end of the supporting frame 11 is rotationally connected with the roller 12, the roller 12 at the upper end of the supporting frame 11 is rotationally connected with the outer side of the ball milling barrel 2 to provide a certain support for the middle of the ball milling barrel 2, and the two ends are prevented from bearing excessive weight, so that the device is damaged.

The crushing assembly 200 comprises a feed inlet 13, a guide plate 15, crushing rollers 16, a connecting gear 17 and a rotating motor 18, wherein the feed inlet 13 is rotationally connected to the inside of the second bearing 6, the guide plate 15 is fixedly connected to the upper end of the guide groove 14, the crushing rollers 16 are rotationally connected to the inside of the guide groove 14, and the guide plate 15 guides materials to be ground between the two groups of crushing rollers 16, so that the materials are pre-ground into a finer state before entering the ball mill barrel 2, and the time lifting efficiency of subsequent grinding is saved.

The crushing rollers 16 are provided with two groups, the front ends of the two groups of crushing rollers 16 are fixedly connected with a connecting gear 17, the rear ends of the right crushing rollers 16 are rotationally connected with a rotating motor 18, and the crushing rollers 16 relatively move under the action of the rotating motor 18 and the connecting gear 17, so that materials are extruded and crushed into smaller particles when passing through.

In addition, screening subassembly 300 is including discharge gate 19 and filter frame 20, ball-milling bucket 2 left end fixedly connected with discharge gate 19, discharge gate 19 and first bearing 5 rotate to be connected, the filter frame 20 of discharge gate 19 outside fixedly connected with, the material after the grinding is accomplished can throw into ball-milling bucket 2 inside again after filter frame 20, improve the ejection of compact quality, ball-milling bucket 2 outside rotates and is connected with movable window 21, the movable window 21 outside is provided with fixed knot 22, through opening fixed knot 22 and movable window 21, be convenient for in time add the steel ball to ball-milling bucket 2 inside.

When the cement grinding device is used, the movable window 21 and the fixed buckle 22 are firstly opened, and steel balls required for grinding are placed in the ball milling barrel 2.

Secondly, cement clinker is fed into the guide chute 14 through a conveying device, a rotating motor 18 and a driving motor 7 are started at the same time, at the moment, agglomerated clinker is guided between two groups of crushing rollers 16 through a guide plate 15, the crushing rollers 16 are relatively moved under the action of the rotating motor 18 and a connecting gear 17, so that the materials are extruded and crushed into smaller particles when passing, the materials are pre-ground into a finer state before entering the ball milling barrel 2, the time of subsequent grinding is saved, the efficiency is improved, the driving gear 9 is driven to rotate by the driving motor 7, steel balls in the ball milling barrel 2 are moved, the materials in the ball milling barrel are ground into the proper particle size, and the materials pass through an inner screen to reach a discharge hole 19.

After the material after grinding is finished, larger particles after being filtered can be put into the ball mill barrel 2 for grinding again after passing through the filter frame 20, so that the discharging quality is improved, and when the ball mill barrel 2 rotates, a certain support is provided for the middle of the ball mill barrel 2 through the roller 12 at the upper end of the support frame 11, and the situation that the bearing capacity of the first bearing 5 and the second bearing 6 is overlarge, so that the device is damaged, is avoided.

While the basic principles of the present utility model have been shown and described, the foregoing is provided by way of illustration of a preferred embodiment of the utility model, and not by way of limitation, the foregoing embodiment and description are merely illustrative of the principles of the utility model, and any modifications, equivalents, improvements or modifications not within the spirit and scope of the utility model should be included within the scope of the utility model.

Claims

1. The utility model provides a cement grinding device, includes fixed base (1) and ball-milling bucket (2), its characterized in that: fixed base (1) upper end fixedly connected with fixed plate (3) and mount (4), the inside fixedly connected with first bearing (5) of fixed plate (3), the inside fixedly connected with second bearing (6) of mount (4), fixed base (1) upper end is provided with rotating assembly (100), the outside fixedly connected with baffle box (14) of mount (4), baffle box (14) inside is provided with crushing subassembly (200), ball-milling barrel (2) left end is provided with screening subassembly (300).

2. A cement grinding device according to claim 1, wherein: the ball milling machine comprises a rotating assembly (100), and is characterized in that the rotating assembly comprises a driving motor (7), a speed reducer (8), a driving gear (9), a fixed gear (10), a supporting frame (11) and a roller (12), wherein the upper end of the fixed base (1) is fixedly connected with the driving motor (7), the left end of the driving motor (7) is fixedly connected with the speed reducer (8), the left end of the speed reducer (8) is rotationally connected with the driving gear (9), the outer side of the ball milling barrel (2) is fixedly connected with the fixed gear (10), and the driving gear (9) is meshed with the fixed gear (10).

3. A cement grinding device according to claim 2, wherein: the ball milling device is characterized in that the upper end of the fixed base (1) is fixedly connected with a supporting frame (11), the upper end of the supporting frame (11) is rotationally connected with a roller (12), and the roller (12) is rotationally connected with the outer side of the ball milling barrel (2).

4. A cement grinding device according to claim 1, wherein: the crushing assembly (200) comprises a feed inlet (13), a guide plate (15), a crushing roller (16), a connecting gear (17) and a rotating motor (18), wherein the feed inlet (13) is rotationally connected to the inside of the second bearing (6), the guide plate (15) is fixedly connected to the upper end of the guide groove (14), and the crushing roller (16) is rotationally connected to the inside of the guide groove (14).

5. A cement grinding device as claimed in claim 4, wherein: the crushing rollers (16) are provided with two groups, the front ends of the two groups of crushing rollers (16) are fixedly connected with a connecting gear (17), and the rear end of the right crushing roller (16) is rotationally connected with a rotating motor (18).

6. A cement grinding device according to claim 1, wherein: the screening assembly (300) comprises a discharge hole (19) and a filtering frame (20), the left end of the ball milling barrel (2) is fixedly connected with the discharge hole (19), the discharge hole (19) is rotationally connected with the first bearing (5), and the filtering frame (20) is fixedly connected with the outer side of the discharge hole (19).

7. A cement grinding device according to claim 1, wherein: the ball milling barrel (2) outside rotates and is connected with movable window (21), the outside of movable window (21) is provided with fixed knot (22).