CN213161055U

CN213161055U - A pulverizer for production of commodity concrete

Info

Publication number: CN213161055U
Application number: CN202021569258.0U
Authority: CN
Inventors: 刘晋源; 孔祥明; 魏晓磊; 刘炎涛; 周根朝
Original assignee: Yuzhou Detong New Material Co ltd
Current assignee: Yuzhou Detong New Material Co ltd
Priority date: 2020-08-02
Filing date: 2020-08-02
Publication date: 2021-05-11
Anticipated expiration: 2030-08-02

Abstract

The utility model relates to a flour mill for commercial concrete production, which comprises an outer shell, the inside of shell body is provided with interior barrel, the outside of shell body is provided with the motor, the output of motor is connected with the pivot, the pivot of setting in the inner barrel divide into first half and lower half, the fixed grinding block that is provided with in the outside of the pivot of first half, the outside of grinding block is provided with grinding ball, the fixed crushing sword that is provided with in the outside of the pivot of lower half, the position that interior barrel is relative with the pivot of lower half is provided with the filter screen, the fixed body that is provided with in the pivot between interior barrel bottom and shell body bottom, be connected with the connecting axle on the fixed body, the other end of connecting axle all is connected with L type round brush, the below of shell body lateral wall is provided with the second discharge gate, interior barrel bottom is provided with the third discharge gate; the utility model has the advantages of high crushing efficiency, high product quality and quick separation.

Description

A pulverizer for production of commodity concrete

Technical Field

The utility model relates to a concrete crushing technical field, concretely relates to flour mill for production of commercial concrete.

Background

The pulverizer is suitable for high-fine powder processing of 280 materials in industries such as non-flammable and non-combustible mineral products, chemical industry, buildings and the like with Mohs hardness not more than 9.3 and humidity below 6%, such as barite, calcite, potash feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, heat insulation materials and the like, the granularity of a finished product is randomly adjusted within the range of 80-325 meshes, and the highest granularity of part of the materials can reach 600 meshes; the pulverizer is widely applied to the industries of chemical industry, mines, steel, thermal power, coal and the like; the process of changing large-particle materials into small-particle materials by external force is called crushing, and the used machinery is called a crusher; the process of changing the small particle materials into powder materials by external force is called crushing or grinding, and is called grinding for short; the machine used by it is called pulverizer. The crushing and grinding are combined and called crushing mill for short, and the used machine is called crushing mill machine for short; most of the existing flour mills adopt a roller to add powder to knock the powder, the crushed powder cannot be quickly removed from the roller, the crushing time is prolonged, and the blocky objects which are particularly difficult to crush cannot be screened; therefore, there is a need for a pulverizer for commercial concrete production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a smash efficient, product quality is high, quick separation's a flour mill for commercial concrete production.

The purpose of the utility model is realized like this: a pulverizer for producing commercial concrete comprises an outer shell, wherein an inner barrel is arranged inside the outer shell, an upper end opening of the inner barrel is welded on the upper wall of the outer shell, a feed hopper is communicated with the left side of the outer shell, a motor is arranged on the outer side of the outer shell and connected with a speed reducer through a bolt, an output end of the speed reducer is connected with a rotating shaft, the other end of the rotating shaft is rotatably fixed at the bottom of the outer shell, the rotating shaft arranged in the inner barrel is divided into an upper half part and a lower half part, a grinding block is fixedly arranged on the outer side of the rotating shaft of the upper half part, a grinding ball is arranged on the outer side of the grinding block, a grinding ball matched with the grinding ball is arranged at the position of the inner barrel opposite to the grinding block, a crushing knife is fixedly arranged on the outer side of the rotating shaft of the lower half part, the crushing knife, the utility model discloses a rotary drum, including interior barrel, shell body lateral wall, connecting axle, first discharge gate, filter screen, fixed body that is provided with in the pivot between barrel bottom and the shell body bottom in the interior barrel is relative with the lower half pivot, the fixed body that is provided with in the pivot between barrel bottom and the shell body bottom, be connected with the connecting axle on the fixed body, the other end of connecting axle all is connected with L type round brush, the below of shell body lateral wall is provided with the second discharge gate, interior barrel bottom is provided with the third discharge gate, shell body bottom is provided with.

The grinding block consists of a conical grinding block and a cylindrical grinding block.

The grinding balls on the surface of the conical grinding block are sequentially reduced from top to bottom, and the density is sequentially increased.

The grinding balls on the surface of the cylindrical grinding block are consistent in size and density.

And a bristle planting cleaning brush is arranged on the outer side of the scraping plate.

The length of the L-shaped rolling brush is longer than that of the filter screen.

The first discharge port, the second discharge port and the third discharge port are respectively provided with a cover body, and the height of the fastened third discharge port and the cover body is smaller than the distance between the bottom of the inner barrel body and the connecting shaft.

The outside of third discharge gate is provided with the screw ring, the diameter of first discharge gate is greater than the diameter of third discharge gate.

The utility model has the advantages that: when the utility model is used, the material particles to be crushed are placed in the feed hopper, and large particle materials are changed into small particle materials under the mutual grinding of the grinding balls; then, under the action of a crushing knife, the mixture is further crushed; the concrete meeting the crushing requirement enters the bottom of the outer shell through the filter screen, and is swept under the action of the rolling brush to be discharged through the second discharge port; the inclined arrangement of the pulverizer is beneficial to removing concrete; after the crushing process is finished, the first discharge port and the third discharge port are opened, the material pouring pipe is in threaded connection with the outer side of the third discharge port, and the blocky objects which are particularly difficult to crush are poured out from the first discharge port through the material pouring pipe, so that the situation that the blocky objects which are particularly difficult to crush are mixed with qualified powder to influence the product quality is avoided; in a word, the utility model has the advantages of crushing efficiency is high, product quality is high, quick separation.

Drawings

FIG. 1 is a schematic diagram of a pulverizer for commercial concrete production according to the present invention.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a structural view of the crushing blade in fig. 1.

Wherein: 1. the grinding device comprises an outer shell 2, an inner cylinder 3, grinding balls 4, grinding blocks 5, a rotating shaft 6, a speed reducer 7, a motor 8, a feed hopper 9, a connecting shaft 10, a rolling brush 11, a fixed body 12, a first discharge port 13, a second discharge port 14, a crushing cutter 15, a scraping plate 16, a filter screen 17, supporting legs 18, a third discharge port 41, conical grinding blocks 41 and cylindrical grinding blocks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a pulverizer for commercial concrete production comprises an outer casing 1, an inner cylinder 2 is arranged inside the outer casing 1, an upper end opening of the inner cylinder 2 is welded on an upper wall of the outer casing 1, a feed hopper 8 is communicated with a left side of the outer casing 1, a motor 7 is arranged outside the outer casing 1, the motor 7 is connected with a reducer 6 through a bolt, an output end of the reducer 6 is connected with a rotating shaft 5, the other end of the rotating shaft 5 is rotatably fixed at the bottom of the outer casing 1, the rotating shaft 5 arranged inside the inner cylinder 2 is divided into an upper half part and a lower half part, a grinding block 4 is fixedly arranged outside the rotating shaft 5 of the upper half part, grinding balls 3 are arranged outside the grinding block 4, grinding balls 3 matched with the grinding balls 3 are arranged at a position where the inner cylinder 2 is opposite to the grinding block 4, large-particle materials are changed into small-particle materials through grinding, so that the small-particle materials can be further crushed conveniently, a crushing knife 14 is fixedly arranged on the outer side of the rotating shaft 5 of the lower half part, and the small-particle materials can be further crushed by the crushing knife to be changed into powder; the crushing cutter 14 is L-shaped, a scraping plate 15 is arranged on the outer side of the part, in contact with the inner cylinder 2, of the crushing cutter 14, a filter screen 16 is arranged at the position, opposite to the lower half rotating shaft 5, of the inner cylinder 2, and the filter screen can filter crushed materials meeting requirements in time, so that the crushing efficiency of the crushing cutter is improved, and the time is saved; a fixed body 11 is fixedly arranged on the rotating shaft 5 between the bottom of the inner cylinder 2 and the bottom of the outer shell 1, the fixed body 11 is connected with a connecting shaft 9, the other end of the connecting shaft 9 is connected with an L-shaped rolling brush 10, and the L-shaped rolling brush can clean powder attached to the outer part of the filter screen and the inner side of the outer shell, so that the filter screen is prevented from being blocked and the filtering efficiency is prevented from being influenced; a second discharge port 13 is formed below the side wall of the outer shell 1, and qualified powder can be discharged through the second discharge port, so that the powder is prevented from being accumulated in the outer shell; a third discharge hole 18 is formed in the bottom of the inner cylinder body 2, a first discharge hole 12 opposite to the third discharge hole 18 is formed in the bottom of the outer shell, the first discharge hole and the third discharge hole can discharge blocky objects which are particularly difficult to crush, the situation that the blocky objects which are particularly difficult to crush are mixed with qualified powder to affect the product quality is avoided, and a support leg 17 is arranged below the outer shell 1; the grinding block 4 consists of a conical grinding block 41 and a cylindrical grinding block 42, and the conical grinding block 41 and the cylindrical grinding block 42 can grind large-particle materials for multiple times; the grinding balls 3 on the surface of the conical grinding block 4 become smaller and the density becomes larger from top to bottom in sequence, so that large-particle materials can be ground for multiple times and gradually become smaller; the grinding balls 3 on the surface of the cylindrical grinding block 4 are consistent in size and density, and small materials can be ground for multiple times, so that the granularity is uniform, and the grinding efficiency is accelerated; the outer side of the scraping plate 15 is provided with a bristle-planting cleaning brush which can clean powder on the inner side of the filter screen, so that the filter screen is prevented from being blocked and the filtering efficiency is prevented from being influenced; the length of the L-shaped rolling brush 10 is longer than that of the filter screen 16, so that the filter screen can be thoroughly cleaned; the first discharge port 12, the second discharge port 13 and the third discharge port 18 are respectively provided with a cover body, the height of the fastened third discharge port 18 and the cover body is smaller than the distance between the bottom of the inner cylinder 2 and the connecting shaft 9, and the arrangement of the cover bodies avoids the phenomenon that in the crushing process, particles enter the third discharge port and are discharged without being ground, so that the product raw materials are wasted; the outer side of the third discharge port 18 is provided with a threaded ring, the diameter of the first discharge port 12 is larger than that of the third discharge port 18, when the blocky objects which are particularly difficult to crush are dumped, the outer side of the third discharge port is in threaded connection with a material dumping pipe, and the blocky objects which are particularly difficult to crush are dumped from the first discharge port through the material dumping pipe.

Claims

1. The utility model provides a flour mill for production of commercial concrete, includes the shell body, the inside of shell body is provided with interior barrel, the upper end opening welding of interior barrel is on the upper wall of shell body, the left side intercommunication of shell body has the feeder hopper, the outside of shell body is provided with the motor, the motor has the reduction gear through bolted connection, the output of reduction gear is connected with the pivot, the bottom of shell body is provided with the bearing frame, the other end setting of pivot is in the bearing frame, its characterized in that: the rotary shaft arranged in the inner cylinder body is divided into an upper half part and a lower half part, a grinding block is fixedly arranged on the outer side of the rotary shaft of the upper half part, grinding balls are arranged on the outer side of the grinding block, grinding balls matched with the grinding balls are arranged at the position, opposite to the grinding block, of the inner cylinder body, a grinding cutter is fixedly arranged on the outer side of the rotary shaft of the lower half part, the grinding cutter is L-shaped, a scraping plate is arranged on the outer side of the part, in contact with the inner cylinder body, of the grinding cutter, a filter screen is arranged at the position, opposite to the rotary shaft of the lower half part, of the inner cylinder body, a fixed body is fixedly arranged on the rotary shaft between the bottom of the inner cylinder body and the bottom of the outer shell body, a connecting shaft is connected onto the fixed body, the other end of the connecting shaft, the bottom of the outer shell is provided with a first discharge hole opposite to the third discharge hole, and supporting legs are arranged below the outer shell.

2. A pulverizer for commercial concrete production according to claim 1, wherein: the grinding block consists of a conical grinding block and a cylindrical grinding block.

3. A pulverizer for commercial concrete production according to claim 2, wherein: the grinding balls on the surface of the conical grinding block are sequentially reduced from top to bottom, and the density is sequentially increased.

4. A pulverizer for commercial concrete production according to claim 2, wherein: the grinding balls on the surface of the cylindrical grinding block are consistent in size and density.

5. A pulverizer for commercial concrete production according to claim 1, wherein: and a bristle planting cleaning brush is arranged on the outer side of the scraping plate.

6. A pulverizer for commercial concrete production according to claim 1, wherein: the length of the L-shaped rolling brush is longer than that of the filter screen.

7. A pulverizer for commercial concrete production according to claim 1, wherein: the first discharge port, the second discharge port and the third discharge port are respectively provided with a cover body, and the height of the fastened third discharge port and the cover body is smaller than the distance between the bottom of the inner barrel body and the connecting shaft.

8. A pulverizer for commercial concrete production according to claim 1, wherein: the outside of third discharge gate is provided with the screw ring, the diameter of first discharge gate is greater than the diameter of third discharge gate.