CN215029417U

CN215029417U - Modular milling machine for fire-resistant prefabricated section

Info

Publication number: CN215029417U
Application number: CN202121119713.1U
Authority: CN
Inventors: 袁根芳
Original assignee: Yixing Zhonghuan Refractory Material Co ltd
Current assignee: Yixing Zhonghuan Refractory Material Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-07
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a combined type flour mill for refractory precast blocks, which comprises a shell, wherein the upper end of the shell is provided with a feed inlet, the lower end of the shell is provided with a discharge outlet, and a primary grinding component is arranged in the shell; the primary grinding assembly comprises a movable grinding block, a fixed grinding block and a first driving motor; the lower end of the movable grinding block is provided with a first rotating shaft, and the lower end of the first rotating shaft penetrates through the shell and is connected with a first driving motor; one side of the fixed grinding block, which is far away from the inner side wall of the shell, is provided with a first conical surface; the outer circumference of the movable grinding block facing the fixed grinding block is sequentially provided with a second conical surface parallel to the first conical surface from top to bottom, and the gap between the first conical surface and the second conical surface is gradually reduced from top to bottom. In the utility model, the raw materials with different particle sizes are ground by utilizing the different gaps between the movable grinding block and the fixed grinding block, thereby improving the grinding efficiency; and the raw materials ground by the large gap enter the small gap to be ground again, so that the utilization rate of the raw materials is improved.

Description

Modular milling machine for fire-resistant prefabricated section

Technical Field

The utility model relates to a milling machine field especially relates to a modular milling machine for fire-resistant precast block.

Background

In the production process of the fire-resistant precast block for manufacturing the garbage incinerator, raw materials are firstly crushed and ground, the existing grinding mill can only perform single crushing treatment on the raw materials, the incomplete condition of raw material crushing easily exists, the utilization rate of the raw materials is low, the conversion rate is low, and the production of the fire-resistant precast block is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular milling machine for fire-resistant prefabricated section.

The utility model has the innovation points that the raw materials with different particle sizes are ground by utilizing the different sizes of the gaps between the movable grinding block and the fixed grinding block, thereby improving the grinding efficiency and reducing the blockage of the gaps caused by the raw materials; and the raw materials ground in the large gap can enter the small gap to be ground again, so that the utilization rate of the raw materials is improved.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

a combined type pulverizer for refractory precast blocks comprises a shell, wherein a feed inlet is formed in the upper end of the shell, a discharge outlet is formed in the lower end of the shell, and a primary grinding assembly is arranged in the shell;

the primary grinding assembly comprises a movable grinding block arranged in the center of the shell, a fixed grinding block fixed on the inner side wall of the shell and a first driving motor vertically arranged outside the lower end of the shell; the lower end of the movable grinding block is provided with a first rotating shaft, and the lower end of the first rotating shaft penetrates through the shell and is connected with a rotor of a first driving motor; a first conical surface is arranged on one side, far away from the inner side wall of the shell, of the fixed grinding block; the outer circumference of the movable grinding block facing the fixed grinding block is sequentially provided with a second conical surface parallel to the first conical surface from top to bottom, and the gap between the first conical surface and the second conical surface is gradually reduced from top to bottom. When the pulverizer is used, raw materials enter the shell from the feeding hole and then enter a gap between the movable grinding block and the fixed grinding block, and the movable grinding block is driven to rotate by the first driving motor, so that the raw materials are ground between the movable grinding block and the fixed grinding block; the raw materials with different particle sizes are ground by utilizing the gaps with different sizes, so that the grinding efficiency is improved, and the blockage of the gaps by the raw materials is reduced; and the raw materials ground in the large gap can enter the small gap to be ground again, so that the raw materials are ground more thoroughly, and the utilization rate of the raw materials is improved.

Preferably, a secondary grinding assembly is arranged above the primary grinding assembly; the secondary grinding assembly comprises an arc-shaped grinding plate which is arranged in the shell and is sunken downwards, a grinding roller arranged on the arc-shaped grinding plate and a second driving motor for driving the grinding roller to rotate; the second driving motor is arranged outside the shell, and the axis of the second driving motor is vertical to the axis of the first driving motor; a second rotating shaft is arranged in the center of the grinding roller, and one end of the second rotating shaft, which is far away from the grinding roller, penetrates out of the shell and is connected with a rotor of a second driving motor; the center line of the grinding roller is parallel to the center line of the arc-shaped grinding plate, and the lower part of the outer circumference of the grinding roller is in contact with the upper surface of the arc-shaped grinding plate; and a filter screen plate is arranged at the bottom end of the arc-shaped grinding plate. The primary grinding component is used for carrying out secondary grinding on the raw materials subjected to primary grinding; specifically, second grade grinding component during operation, raw and other materials enter into the casing, and second driving motor drive grinding roller rotates to grind the raw and other materials on the arc lapping plate, and among the grinding process, tiny raw and other materials are worn out from filtering the otter board and are dropped to one-level grinding component and grind once more, make raw and other materials smash completely, improve the utilization ratio of raw and other materials.

Preferably, a scraping plate is horizontally arranged on the first rotating shaft below the movable grinding block, one end of the scraping plate is connected with the first rotating shaft, and the other end of the scraping plate is suspended; the lower surface of the scraper is in contact with the inner side wall of the lower end of the shell. Raw and other materials after one-level grinding component and second grade grinding component grind fall the bottom in the casing, and when first pivot rotated, the drive scraper blade rotated, scraped discharge gate department discharge through the raw and other materials of bottom in the scraper blade with the casing, and the raw and other materials after the reduction grinding are piled up for the grinding efficiency to raw and other materials.

Preferably, a spiral channel is vertically arranged in the shell below the feed inlet. The raw materials directly fall from the feed inlet vertically, are easy to accumulate on the arc-shaped grinding plate and are not beneficial to grinding by the grinding roller; the spiral channel is arranged, so that the falling speeds of the raw materials are different, and a fall exists, so that the grinding roller is convenient to grind.

Preferably, a joint of the first rotating shaft and the housing and a joint of the second rotating shaft and the housing are provided with sealing rings. The sealing ring is arranged, so that the situation that powder generated in the grinding process is discharged from a joint or blocks the joint to influence the use can be prevented.

The utility model has the advantages that:

1. the utility model utilizes the different sizes of the gaps between the movable grinding block and the fixed grinding block to grind the raw materials with different particle sizes, thereby improving the grinding efficiency and reducing the blockage of the gaps caused by the raw materials; and the raw materials ground in the large gap can enter the small gap to be ground again, so that the utilization rate of the raw materials is improved.

2. The utility model discloses in be provided with second grade grinding component, can carry out the preliminary grinding to raw and other materials to make things convenient for subsequent one-level grinding component to grind raw and other materials, accelerate the grinding speed to raw and other materials.

3. The utility model discloses well adoption scraper blade can scrape the discharge gate department of delivery at first pivot pivoted in-process raw and other materials after will grinding for raw and other materials discharge, reduce raw and other materials and pile up in the casing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a second driving motor and a grinding roller.

In the figure:

1. a housing; 11. a feed inlet; 12. a discharge port; 2. a primary grinding assembly; 21. a movable grinding block; 211. a second tapered surface; 22. fixing the grinding block; 221. a first conical surface; 23. a first drive motor; 24. a first rotating shaft; 3. a secondary grinding assembly; 31. an arc-shaped grinding plate; 32. a grinding roller; 33. a second drive motor; 34. a second rotating shaft; 4. a filter screen plate; 5. a squeegee; 6. a spiral channel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, a combined type pulverizer for refractory precast blocks comprises a shell 1, wherein the upper end of the shell 1 is provided with a feeding hole 11, and the lower end of the shell 1 is provided with a discharging hole 12; a spiral channel 6 is vertically arranged below the feed inlet 11 in the shell 1.

As shown in fig. 1, a secondary grinding assembly 3 and a primary grinding assembly 2 are sequentially arranged in a shell 1 from top to bottom; the secondary grinding assembly 3 comprises an arc-shaped grinding plate 31 which is connected with the inner side wall of the shell 1 and the upper surface of which is downwards sunken, a grinding roller 32 arranged on the arc-shaped grinding plate 31 and a second driving motor 33 which drives the grinding roller 32 to rotate; wherein the central line of the grinding roller 32 is parallel to the central line of the arc-shaped grinding plate 31, and the lower part of the outer circumference of the grinding roller 32 is contacted with the upper surface of the arc-shaped grinding plate 31; the bottom end of the arc-shaped grinding plate 31 is provided with a filter screen plate 4; a second rotating shaft 34 is installed at the center of the grinding roller 32, and one end of the second rotating shaft 34 far away from the grinding roller 32 penetrates through the housing 1 and then is connected with a rotor of a second driving motor 33.

As shown in fig. 1, the primary grinding assembly 2 includes a movable grinding block 21 disposed at the center of the housing 1, a fixed grinding block 22 fixed on the inner side wall of the housing 1, and a first driving motor 23 vertically disposed outside the lower end of the housing 1; the lower end of the movable grinding block 21 is fixedly connected with a first rotating shaft 24, the lower end of the first rotating shaft 24 penetrates through the shell 1 and then is connected with a rotor of a first driving motor 23, a scraper 5 is horizontally arranged on the first rotating shaft 24, the scraper 5 is positioned below the movable grinding block 21, one end of the scraper 5 is fixedly connected with the first rotating shaft 24, and the other end of the scraper 5 is suspended; a first conical surface 221 is arranged on one side of the fixed grinding block 22 far away from the inner side wall of the shell 1; the outer circumference of the movable grinding block 21 facing the fixed grinding block 22 is sequentially provided with second conical surfaces 211 parallel to the first conical surface 221 from top to bottom, the upper and lower second conical surfaces 211 are connected through a horizontal plane, and the gap between the first conical surface 221 and the second conical surfaces 211 is gradually reduced from top to bottom.

As shown in fig. 1, the joints of the first rotating shaft 24 and the housing 1 and the joints of the second rotating shaft 34 and the housing 1 are provided with sealing rings.

In view of the above, it is desirable to provide,

when the combined type pulverizer for the refractory precast block is used, raw materials enter the shell 1 from the feeding hole 11 along the spiral channel 6, the second driving motor 33 drives the grinding roller 32 to rotate so as to grind the raw materials on the arc-shaped grinding plate 31, in the grinding process, fine raw materials penetrate out of the filter screen plate 4 and fall into a gap between the movable grinding block 21 and the fixed grinding block 22, the movable grinding block 21 is driven to rotate through the first driving motor 23, so that the raw materials are ground between the movable grinding block 21 and the fixed grinding block 22, and the ground raw materials fall to the bottom in the shell 1; during the rotation of the first rotating shaft 24, the raw material at the bottom is scraped to the discharge port 12 by the scraper 5 and discharged.

Claims

1. A combined type pulverizer for refractory precast blocks comprises a shell, wherein a feed inlet is formed in the upper end of the shell, and a discharge outlet is formed in the lower end of the shell; the primary grinding assembly comprises a movable grinding block arranged in the center of the shell, a fixed grinding block fixed on the inner side wall of the shell and a first driving motor vertically arranged outside the lower end of the shell; the lower end of the movable grinding block is provided with a first rotating shaft, and the lower end of the first rotating shaft penetrates through the shell and is connected with a rotor of a first driving motor; a first conical surface is arranged on one side, far away from the inner side wall of the shell, of the fixed grinding block; the outer circumference of the movable grinding block facing the fixed grinding block is sequentially provided with a second conical surface parallel to the first conical surface from top to bottom, and the gap between the first conical surface and the second conical surface is gradually reduced from top to bottom.

2. A mill for combined refractory prefabricated blocks according to claim 1, wherein a secondary grinding assembly is arranged above the primary grinding assembly; the secondary grinding assembly comprises an arc-shaped grinding plate which is arranged in the shell and is sunken downwards, a grinding roller arranged on the arc-shaped grinding plate and a second driving motor for driving the grinding roller to rotate; the second driving motor is arranged outside the shell, and the axis of the second driving motor is vertical to the axis of the first driving motor; a second rotating shaft is arranged in the center of the grinding roller, and one end of the second rotating shaft, which is far away from the grinding roller, penetrates out of the shell and is connected with a rotor of a second driving motor; the center line of the grinding roller is parallel to the center line of the arc-shaped grinding plate, and the lower part of the outer circumference of the grinding roller is in contact with the upper surface of the arc-shaped grinding plate; and a filter screen plate is arranged at the bottom end of the arc-shaped grinding plate.

3. The combined type pulverizer for the refractory precast blocks according to claim 2, wherein a scraper is horizontally arranged on the first rotating shaft below the movable grinding block, one end of the scraper is connected with the first rotating shaft, and the other end of the scraper is suspended; the lower surface of the scraper is in contact with the inner side wall of the lower end of the shell.

4. A mill for combined refractory prefabricated blocks according to claim 3, wherein a spiral passage is vertically provided in the housing below the feed inlet.

5. A pulverizer for combined refractory precast blocks according to claim 2, wherein sealing rings are disposed at the joint of the first rotating shaft and the housing and the joint of the second rotating shaft and the housing.