CN210187306U

CN210187306U - Ring roller mill

Info

Publication number: CN210187306U
Application number: CN201920436500.8U
Authority: CN
Inventors: Yongchun Deng; 邓永椿; Zhiming Xie; 谢志明; Honghua Fu; 傅洪华
Original assignee: Fujian Longyi Powder Equipment Manufacturing Co Ltd
Current assignee: Fujian Longyi Powder Equipment Manufacturing Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-03-27
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to the technical field of crushing processing equipment, in particular to a ring roller mill, which comprises a cylinder body, a grading mechanism, a grinding roller mechanism, a material throwing mechanism and a driving mechanism; get rid of material mechanism and include getting rid of charging tray and ejection of compact shifting block, ejection of compact shifting block passes through the bolt fastening in the barrel bottom, ejection of compact shifting block is used for with material on the charging tray of getting rid of is dialled out. The utility model discloses a ring roller mill is relative rotary motion through the ejection of compact shifting block who gets rid of the charging tray top and the material after grinding, will get rid of the material on the charging tray and dial out, avoids because of the frictional force between material and the material, and makes a large amount of materials pile up on getting rid of the charging tray, causes to get rid of the inhomogeneous jam of material in grinding the passageway, influences the normal function of ring roller mill, improves work efficiency.

Description

Ring roller mill

Technical Field

The utility model relates to a shredding equipment technical field especially relates to a ring roller mill.

Background

The ring roller mill crushes materials by adopting the principles of impact, rolling and grinding. The method has the advantages of simple operation, easy maintenance, durable equipment, low price of complete equipment and relatively low manufacturing and using cost, so the method is widely applied to the field of crushing and processing of non-metallic ores, in particular to crushing and processing of materials such as heavy calcium, kaolin, talc, wollastonite, barite, feldspar and the like.

Get rid of the charging tray and be arranged in the ring roller mill, the material falls into and gets rid of the charging tray after grinding, by getting rid of the charging tray rotation, throw away the material through centrifugal force, nevertheless when the powder volume is very big, because of the material rotates on getting rid of the charging tray, there is frictional force between the material, receives the influence of frictional force between powder and the powder, the material can be piled up on getting rid of the charging tray, leads to the powder can't in time throw away, causes to get rid of the material inhomogeneous, block up in grinding the passageway, makes the unable normal work of equipment, and work efficiency is low.

Disclosure of Invention

Therefore, a ring roller mill is needed to be provided, the problems that when a large amount of powder falls into a material throwing plate in the existing ring roller mill, the influence of friction force between the powder and the powder is received, the material can be accumulated on the material throwing plate, the powder cannot be thrown out in time, the material throwing is uneven, congestion occurs in a grinding channel, and equipment cannot work normally and the working efficiency is low are solved.

In order to achieve the above object, the inventor provides a ring roller mill, which comprises a cylinder, a grading mechanism, a grinding roller mechanism, a material throwing mechanism and a driving mechanism;

the grading mechanism comprises a grading motor and a grading wheel, the grading motor is arranged above the top cover of the cylinder body, a discharge hole is formed in the top cover of the cylinder body, and a power output shaft of the grading motor penetrates through the discharge hole to be connected with the grading wheel;

the grinding roller mechanism comprises a grinding wheel assembly and a rotating main shaft, wherein the grinding wheel assembly comprises a grinding wheel bracket and at least two grinding wheels;

the material throwing mechanism comprises a material throwing disc and a material discharging shifting block, the material discharging shifting block is positioned above the material throwing disc, and the material discharging shifting block is used for shifting out materials on the material throwing disc;

the driving mechanism is used for driving the rotating main shaft of the grinding roller mechanism to rotate.

As the utility model discloses a preferred structure, get rid of the charging tray setting and be in on the rotating main shaft, and follow the rotating main shaft rotates.

As a preferred structure of the utility model, the ejection of compact shifting block has more than two, with the centre of a circle of getting rid of the charging tray is fixed for central point evenly distributed the bottom of barrel.

As a preferred structure of the utility model, ejection of compact shifting block direction with the tangential direction who gets rid of charging tray direction of rotation is the obtuse angle setting.

As the utility model discloses a preferred structure, emery wheel support cover is located on the rotating main shaft lateral wall, the storage tank has been seted up on the outer circumference lateral wall of emery wheel support, the grinding miller is through the pivotable installation of independent round pin axle in the storage tank.

As the utility model discloses a preferred structure, the ring roller mill still includes feeding mechanism, feeding mechanism includes the conveying pipe, in the conveying pipe one end stretched into the barrel inner chamber, the unloading end of conveying pipe was located grinding roller mechanism top.

As the utility model discloses a preferred structure, the ring roller mill still includes a mixed flow section of thick bamboo, the mixed flow section of thick bamboo encircles and sets up outside the classifying wheel, a plurality of mixed flow windows have been seted up on the mixed flow section of thick bamboo.

As a preferred structure of the utility model, on the mixed flow window evenly distributed and the section of thick bamboo wall of mixed flow section of thick bamboo, the mixed flow window is towards the hierarchical inner chamber of grader.

Different from the prior art, the technical scheme has the following advantages: the utility model relates to a ring roller mill, after the material got into the barrel inner chamber of ring roller mill, the rotatory main shaft that drives the grinding roller mechanism by actuating mechanism rotated, and then drives the emery wheel subassembly and smashes the grinding to the material, then carries the powder to grading mechanism department through the air current, and grading motor drives the grading wheel and carries out the material screening; wherein do relative rotary motion through the ejection of compact shifting block that gets rid of the charging tray top and the material after grinding, will get rid of the material on the charging tray and dial out, avoid because of the frictional force between material and the material, and make a large amount of materials pile up on getting rid of the charging tray, cause to get rid of the inhomogeneous jam of material in grinding the passageway, influence the normal operation of ring roller mill, improve work efficiency.

Drawings

FIG. 1 is a schematic perspective view of a ring roller mill according to an embodiment;

FIG. 2 is a schematic sectional structural view of a main view of a ring roller mill according to an embodiment;

FIG. 3 is a schematic sectional structural view of a front view of a material throwing mechanism of the ring roller mill according to the embodiment;

FIG. 4 is a front view of a discharge block of a ring roller mill according to an embodiment;

FIG. 5 is a top view of a discharge block of a ring roller mill in accordance with an embodiment;

fig. 6 is a front cross-sectional structural schematic view of a grinding assembly of the ring roller mill according to the embodiment.

Description of reference numerals:

1. a barrel;

21. a grading motor; 22. a grading wheel;

31. a grinding wheel assembly;

311. a grinding wheel support; 312. a grinding wheel; 313. an independent pin shaft;

32. rotating the main shaft;

4. a drive motor;

5. throwing and shifting blocks;

6. throwing the material tray;

7. a discharge elbow;

8. a feed pipe;

9. a mixing barrel;

10. a base.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 6, the present invention provides a ring roller mill, which is mainly used for grinding heavy calcium, kaolin, talc, wollastonite, barite, feldspar, etc. Specifically, the ring roller mill comprises a cylinder body 1, a grading mechanism, a grinding roller mechanism, a material throwing mechanism and a driving mechanism; the cylinder body 1 is used as a main body structure of the ring roller mill, and a grinding roller mechanism is accommodated in an inner cavity of the cylinder body 1 to be used as a grinding and grinding processing area of materials.

The grading mechanism is used for screening the ground qualified powder. Specifically, the grading mechanism comprises a grading motor 21 and a grading wheel 22, the grading motor 21 is arranged above a top cover of the cylinder 1, a discharge hole is formed in the top cover of the cylinder 1, and a power output shaft of the grading motor 21 penetrates through the discharge hole to be connected with the grading wheel 22 and is used for driving the grading wheel 22 to rotate so as to screen powder; preferably, the discharge hole is connected with a discharge elbow 7.

The grinding roller mechanism is used for grinding the materials fed into the inner cavity of the barrel body 1. Specifically, the grinding roller mechanism comprises a grinding wheel assembly 31 and a rotating main shaft 32, the grinding wheel assembly 31 comprises a grinding wheel support 311 and at least two grinding wheels 312, the grinding wheel support 311 is sleeved on the side wall of the rotating main shaft 32, an accommodating groove is formed in the outer circumferential side wall of the grinding wheel support 311, and the grinding wheels 312 are pivotally mounted in the accommodating groove through an independent pin shaft 313; the rotating spindle 32 is used for driving the grinding wheel assembly 31 to rotate for material grinding. The grinding wheels 312 in the single group of grinding wheel assemblies 31 are mounted and supported by an independent grinding wheel support 311, and each grinding wheel 312 is restrained and limited by an independent pin shaft 313, so that each grinding wheel independently moves in the grinding process of the ring roller mill, the movement rule of the grinding wheel is optimized, the positions of the grinding wheel support 311 are relatively uniformly stressed, mutual interference among the grinding wheels 312 is avoided, the grinding movement is smoothly carried out, and useless work is eliminated to further improve the grinding efficiency and the grinding effect.

Get rid of material mechanism is including getting rid of charging tray 6 and ejection of compact shifting block 5, and is concrete, and ejection of compact shifting block 5 can be the slice, also can be platelike, ejection of compact shifting block 5 is located get rid of charging tray 6 top, ejection of compact shifting block 5 is relative rotary motion with the material after the grinding, will the material on the charging tray 6 of getting rid of dials out, avoids making a large amount of materials pile up on getting rid of charging tray 6 because of the frictional force between the material, and it is inhomogeneous to cause to get rid of the material, blocks up in grinding the passageway, influences the normal function of ring roller mill, improves work efficiency.

The driving mechanism is used for driving the rotating main shaft 32 of the grinding roller mechanism to rotate. Specifically, the driving mechanism comprises a driving motor 4 and a transmission device, and the driving motor 4 and the rotating spindle 32 are in transmission through a gear belt or gear engagement. Preferably, the ring roller mill further comprises a base 10, a bearing seat is fixed on the base 10, and the rotating main shaft 32 is mounted on the bearing seat through a bearing.

In the embodiment shown in fig. 3, the throwing disk 6 is arranged on the rotating main shaft 32 and rotates along with the rotating main shaft 32.

In the embodiment shown in fig. 3 to 5, there are more than two discharging shifting blocks 5, which are uniformly distributed and fixed at the bottom of the cylinder 1 by taking the center of the material throwing disc 6 as the center point; the 5 directions of ejection of compact shifting block with the tangential direction who gets rid of the 6 direction of rotation of charging tray is the obtuse angle setting, and its effect lies in can quickening the material and dials out, avoids because of the frictional force between material and the material, and makes a large amount of materials pile up on getting rid of charging tray 6, causes to get rid of the inhomogeneous jam of material in grinding the passageway, influences the normal operation of ring roller mill. Specifically, the setting of obtuse angle size can be set for according to the volume of the material ejection of compact, and the material volume is big more, and the angle can set up big more to accelerate the material and dial out, improve work efficiency.

In the embodiment shown in fig. 2, as a preferred embodiment of the present invention, the ring roller mill further includes a feeding mechanism, the feeding mechanism includes a feeding pipe 8, one end of the feeding pipe 8 extends into the inner cavity of the cylinder 1, the discharging end of the feeding pipe 8 is located above the roller mill mechanism, the feeding mechanism is used for conveying materials into the inner cavity of the cylinder 1 of the ring roller mill, and the materials are conveyed into the roller mill mechanism through the feeding pipe 8 to be ground.

In the embodiment shown in fig. 2, the ring roller mill further comprises a mixing tube 9, the mixing tube 9 is arranged around the classifying wheel 22, and a plurality of mixing windows are opened on the mixing tube 9. Preferably, the mixed flow windows are uniformly distributed on the wall of the mixed flow cylinder 9, and the mixed flow windows face the grading inner cavity of the grading machine. The high-speed airflow carries ground materials to the upper part of a cylinder body 1 of the classifier and then the ground materials are divided into a plurality of strands to run, one part of the high-speed airflow is returned from the top of an outer channel and enters a classifying cavity of a classifying wheel 22 from top to bottom, the other part of the mixed flow window on the mixed flow channel enters the classifying cavity, powder enters the classifying cavity in a vortex shape through the mixed flow window, and airflow driven by high-speed rotation of the classifying wheel 22 forms a chaotic airflow field in the classifying cavity, so that the materials with different thicknesses can achieve a better separation effect in the airflow field, and fine powder partially reaching the qualified standard is prevented from being mixed in coarse powder which does not reach the standard and being settled back to a grinding channel.

In this embodiment, the working principle of the ring roller mill is as follows: the material falls into the grinding assembly 31 through the feeding pipe 8, falls onto the material throwing disk 6 after being ground, and is stirred out through the relative rotation motion of the material discharging stirring block 5 above the material throwing disk 6 and the ground material, so that the phenomenon that a large amount of material is accumulated on the material throwing disk 6 due to the friction force between the material and the material, the material throwing is unevenly blocked in a grinding channel, the normal operation of the ring roller mill is influenced, and the working efficiency is improved; the material throwing disk 6 throws the material out and enters an airflow air channel, then the material enters the grading wheel 22 for screening, the qualified material is discharged from the discharge elbow 7, the unqualified material enters the grinding component 31 for grinding.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. The ring roller mill is characterized by comprising a cylinder, a grading mechanism, a roller grinding mechanism, a material throwing mechanism and a driving mechanism;

2. The ring roller mill according to claim 1, characterized in that the material throwing disk is disposed on the rotating main shaft and rotates with the rotating main shaft.

3. The ring roller mill according to claim 1, wherein the number of the discharging blocks is two or more, and the discharging blocks are uniformly distributed and fixed at the bottom of the cylinder by taking the center of the material throwing disc as a center point.

4. The ring roller mill according to claim 1, wherein the direction of the discharge block is arranged at an obtuse angle to a tangential direction of the rotation direction of the material throwing plate.

5. The ring roller mill according to claim 1, wherein the grinding wheel holder is fitted to a side wall of the rotary main shaft, a receiving groove is formed in an outer circumferential side wall of the grinding wheel holder, and the grinding wheel is pivotably mounted in the receiving groove by an independent pin.

6. The ring roller mill according to claim 1, characterized in that the ring roller mill further comprises a feeding mechanism, the feeding mechanism comprises a feeding pipe, one end of the feeding pipe extends into the inner cavity of the cylinder body, and the blanking end of the feeding pipe is positioned above the roller mechanism.

7. The ring roller mill according to claim 1, characterized in that the ring roller mill further comprises a mixing flow cylinder, the mixing flow cylinder is arranged around the classifying wheel, and a plurality of mixing flow windows are arranged on the mixing flow cylinder.

8. The ring roller mill of claim 7, characterized in that the mixed flow windows are evenly distributed on the wall of the mixed flow cylinder, and the mixed flow windows face the grading inner cavity of the grading machine.