CN212167615U

CN212167615U - Horizontal impact superfine crusher

Info

Publication number: CN212167615U
Application number: CN202020378301.9U
Authority: CN
Inventors: 张健; 容栋国; 王利林
Original assignee: Guilin Hongcheng Mining Equipment Manufacture Co
Current assignee: Guilin Hongcheng Mining Equipment Manufacture Co
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-18
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a horizontal impact superfine pulverizer, wherein a feeding unit comprises a feeding hopper sleeved on a transmission shaft; the discharging unit comprises an air outlet cover cylinder sleeved on the transmission shaft and a fan blade wheel fixedly arranged on the transmission shaft; the impact crushing unit comprises an impact cover cylinder sleeved on a transmission shaft, and an impact hammer rotor, a grading wheel and a conical pulverization hammer rotor which are arranged in the impact cover cylinder in the front and back directions on the transmission shaft, wherein the impact hammer rotor and the grading wheel are fixedly arranged on the transmission shaft; a slag outlet connected with the slag extractor is arranged at the bottom of the barrel body corresponding to the impact cover barrel and the grading wheel; the front end and the rear end of the impact cover cylinder are respectively communicated with the feed hopper and the air outlet cover cylinder. The utility model can control the pulverization particle size and the production efficiency of the material and discharge the slag material in time.

Description

Horizontal impact superfine crusher

Technical Field

The utility model relates to a milling machine specifically is a horizontal impact superfine pulverizer.

Background

Impact ultra-fine pulverizers (one type of pulverizer) are classified into two major types, rotor impact type and air jet impact type, and rotor impact type impact mills are classified into vertical impact pulverizers and horizontal impact pulverizers according to different arrangement modes of rotors.

The working principle of the impact crusher is that a rotor rotating at a high speed drives materials to move at a high speed, and in the moving process, the materials collide or shear with the materials, the materials and an impact hammer, and the materials and a lining plate, so that the materials are crushed; therefore, the impact crusher is widely applied to the fields of ore, coal, chemical industry, building materials, cement, ash calcium powder, environmental protection and the like.

The vertical impact crusher has a complex structure and high manufacturing cost, while the horizontal impact crusher has a relatively simple structure and is convenient to install and maintain.

The existing horizontal impact ultrafine pulverizer arranges a front rotor and a rear rotor on a transmission shaft, has no grading wheel, and the two rotors are fixedly arranged, and the main defects of the arrangement design are as follows:

1. preceding, two back rotor installations are fixed, and the interval between jump bit and the welt can not be adjusted, and the comminuted particle diameter can not change according to production needs, and after the machine used a period, because of the wearing and tearing of jump bit and welt, the interval grow, and the comminuted particle diameter also can grow thereupon.

2. Without a grading wheel, the slag can not be smoothly discharged according to requirements.

3. The wear-resistant lining plate has limited service life and is frequently required to be replaced.

The wear-resistant lining plate is usually cast by high manganese steel, the machining is difficult, the dimensional accuracy and the form and position tolerance are difficult to guarantee, the grinding and assembling are needed, the replacement of accessories is troublesome, and the time and the labor are wasted.

4. The lining plate is installed by adopting through holes, so that the abrasion of the fixed fastening bolt is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a horizontal impact superfine pulverizer.

The utility model discloses horizontal impact superfine pulverizer, its technical scheme include along the transmission shaft before, to the feeding unit that sets up, impact crushed aggregates unit and ejection of compact unit, the institute is different:

1. the feeding unit comprises a feeding hopper sleeved on the transmission shaft.

2. The discharging unit comprises an air outlet cover cylinder sleeved on the transmission shaft and a fan blade wheel fixedly arranged on the transmission shaft in the air outlet cover cylinder.

3. The impact crushing unit comprises an impact cover cylinder sleeved on a transmission shaft, an impact hammer rotor, a grading wheel and a conical pulverization hammer rotor, wherein the impact hammer rotor, the grading wheel and the conical pulverization hammer rotor are arranged in the impact cover cylinder in the front and back directions on the transmission shaft, the front end of the impact hammer rotor is large, the rear end of the impact hammer rotor is small, the impact hammer rotor and the grading wheel are fixedly arranged on the transmission shaft, the conical pulverization hammer rotor can be axially adjusted and arranged on the transmission shaft, corresponds to the impact hammer rotor, is provided with an impact lining plate on the impact cover cylinder, corresponds to the conical pulverization hammer rotor, and is provided with a conical pulverization lining plate with the same.

4. The bottom of the cylinder body corresponding to the impact cover cylinder and the grading wheel is provided with a slag outlet connected with the slag extractor.

5. The front end and the rear end of the impact cover cylinder are respectively communicated with the feed hopper and the air outlet cover cylinder.

In order to facilitate discharging, the cylinder body of the impact cover cylinder corresponding to the grading wheel is designed to be concave.

For the convenience of installation, the barrel body of the impact cover barrel corresponding to the conical pulverization lining plate is designed into a conical shape with the same taper.

Conventionally, the front and rear shaft portions of the feed hopper are mounted in place by front and rear bearing mechanisms, respectively.

Conventionally, the high-speed rotation of the transmission shaft is driven by a belt pulley transmission mechanism driven by a motor, and a driven belt pulley of the belt pulley transmission mechanism is arranged at the front shaft end of the transmission shaft.

Conventionally, the rear shaft end of the transmission shaft is provided with a balance wheel.

Furthermore, each lining plate is a precision steel casting, and the working surface of each lining plate is welded with wear-resistant materials or brazed hard alloys.

Furthermore, bolt holes are uniformly distributed on the circumference of the barrel body of the impact cover barrel corresponding to the lining plates, fastening bolts penetrate through the bolt holes, and the fastening bolts are screwed in threaded blind holes formed in the corresponding lining plates.

The utility model has the advantages that:

1. the utility model discloses among the horizontal impact superfine pulverizer structure, add the gradation wheel and correspond and set up row's sediment ware, can in time discharge the sediment material.

2. The utility model discloses in the structure, with the design of toper pulverization hammer rotor for the toper structure, with install the circular cone welt phase-match in an air-out cover section of thick bamboo, the interval between the adjustable two conical surfaces of axial displacement toper pulverization hammer rotor for the pulverization particle size and the production efficiency of control material.

3. The utility model discloses in the structure, each welt adopts accurate steel-casting, build-up welding abrasive material or the carbide of brazing on the working face, and the fastening bolt connection adopts screw thread blind hole structure to the protection fastening bolt is not worn and torn in work.

Drawings

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

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B.

And (3) identifying the figure number: 1. a drive shaft; 2. a feed hopper; 3. an air outlet cover cylinder; 4. a wind impeller; 5. an impact shield cylinder; 6. a percussion hammer rotor; 7. a grading wheel; 8. a conical powdering hammer rotor; 9. impacting the lining plate; 10. a conical pulverized liner plate; 11. a slag extractor; 12. a bearing mechanism; 13. a driven pulley; 14. fastening a bolt; 15. a base; 16. a balance wheel; 17. a shield.

Detailed Description

The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The utility model discloses horizontal impact superfine pulverizer, include along horizontal transmission shaft 1 before, to the feeding unit, impact crushed aggregates unit and the ejection of compact unit of setting.

The front and rear shaft parts of the transmission shaft 1 are mounted on the front and rear support frames of the base 15 through front and rear bearing mechanisms 12 (combination of bearings and bearing seats), the drive of the transmission shaft 1 is a belt pulley transmission mechanism driven by a motor, a driving belt pulley of the belt pulley transmission mechanism is mounted on an output shaft of the motor (mounted on the base 15), a driven belt pulley 13 of the belt pulley transmission mechanism is mounted at the front shaft end of the transmission shaft 1, and a balance wheel 16 enclosed in a protective cover 17 is mounted at the rear shaft end of the transmission shaft 1, as shown in fig. 1.

A feeding unit, an impact crushing unit and a discharging unit are respectively arranged on the transmission shaft 1 between the front bearing mechanism 12 and the rear bearing mechanism 12 according to the front position, the middle position and the rear position.

The feeding unit comprises a feeding hopper 2 sleeved on the transmission shaft 1, and the bottom of the feeding hopper 2 is installed on the corresponding position of the base 15, as shown in fig. 1.

The discharging unit comprises an air outlet cover cylinder 3 sleeved on the transmission shaft 1, an air impeller 4 fixedly arranged on the transmission shaft 1 is arranged in the air outlet cover cylinder 3, and an air outlet of the air outlet cover cylinder 3 is arranged on one side of the top of the cylinder body, as shown in fig. 1 and 3.

The impact crushing unit comprises an impact cover barrel 5 sleeved on a transmission shaft 1, the front end and the rear end of the impact cover barrel 5 are respectively communicated with the rear port of a feed hopper 2 and the front port of an air outlet cover barrel 3, the impact cover barrel 5 comprises a front cylindrical barrel, a middle cylindrical barrel, a rear cylindrical barrel, a V-shaped (a concave type) barrel and a conical barrel with a large front end and a small rear end, an impact hammer rotor 6 is fixedly arranged on the transmission shaft 1 corresponding to the front cylindrical barrel, a grading wheel 7 is fixedly arranged on the transmission shaft 1 corresponding to the middle V-shaped barrel, and a conical pulverization hammer rotor 8 with the same conical degree of the hammer body and the conical barrel is arranged on the transmission shaft 1 corresponding to the rear conical barrel in an axially adjustable mode, as shown in figure 1.

The device is characterized in that the device corresponds to a hammer body of an impact hammer rotor 6, a front side impact lining plate 9 (an annular plate formed by four fan-shaped plates) and a top impact lining plate 9 (a cylindrical pipe formed by four arc-shaped plates) are respectively arranged on the front end surface and the top circumference of a cylindrical barrel, a slag discharge port communicated with a slag extractor 11 is arranged at the bottom of a V-shaped barrel, the device corresponds to a conical hammer body of a conical pulverization hammer rotor 8, a conical pulverization lining plate 10 (a conical pipe formed by four conical arc-shaped plates) is arranged on the inner circumferential surface of the conical barrel, the axial moving distance of the conical pulverization hammer rotor 8 is within the axial length range of the conical pulverization lining plate 10, and the distance between the conical pulverization hammer rotor 8 and the conical pulverization lining plate 10 can be adjusted according to the requirement of the particle size of a production material so as to achieve the requirement of ultrafine pulverization or high-.

In order to improve the matching precision of the assembly surface, each lining plate is a precision steel casting, a wear-resistant material or a brazing hard alloy is overlaid on the working surface (facing to the hammer body surface) of each lining plate, bolt holes are uniformly distributed on the circumference of the cylindrical barrel body of the impact cover barrel 5 by taking the installation of the top impact lining plate 9 as an example, fastening bolts 14 are penetrated in the bolt holes, each fastening bolt 14 is screwed in a threaded blind hole formed in the impact lining plate 9, each fastening bolt 14 does not penetrate through the working surface of the impact lining plate 9, and each fastening bolt 14 can be effectively protected from being damaged by impact, as shown in fig. 2.

The utility model discloses an operation mode does:

1. the motor drives the transmission shaft 1 to rotate at a high speed through the belt pulley transmission mechanism, and negative pressure wind directions from the feed hopper 2 to the impact cover cylinder 5 and from the impact cover cylinder 5 to the air outlet cover cylinder 3 are formed under the action of the wind impeller 4.

2. The material falls into the front cylindrical barrel of the impact cover barrel 5 through the feed hopper 2, and is crushed under the impact of the impact hammer rotor 6, and meanwhile, under the driving of the rotation of the impact hammer rotor 6, the material and the material, and the material and the impact lining plate 9 are impacted or sheared to be further crushed.

3. The materials crushed by the impact hammer rotor 6 enter the conical cylinder body through the V-shaped cylinder body under the action of wind power, and the slag particles or the materials which are large and difficult to crush are thrown to the periphery of the V-shaped cylinder body under the action of centrifugal force of the grading wheel 7 and fall into a slag discharge port at the bottom of the V-shaped cylinder body in a centralized manner, and are discharged and collected through the slag discharge device 8.

4. In the conical barrel, the material is further crushed under the impact of the conical pulverization hammer rotor 8, the plate spacing between the conical pulverization hammer rotor 8 and the conical pulverization lining plate 10 determines the size of the pulverization particle diameter of the final material and the production efficiency, and the smaller the pulverization particle diameter is, but the production efficiency is reduced, and vice versa.

5. The powder material meeting the requirement of the particle size is discharged and collected through the air outlet of the air outlet hood barrel 3.

Claims

1. Horizontal impact superfine pulverizer includes along transmission shaft (1) preceding, to the feeding unit that sets up, impact crushed aggregates unit and ejection of compact unit, its characterized in that:

the feeding unit comprises a feeding hopper (2) sleeved on the transmission shaft (1);

the discharging unit comprises an air outlet cover cylinder (3) sleeved on the transmission shaft (1) and a wind impeller (4) fixedly arranged on the transmission shaft (1) in the air outlet cover cylinder (3);

the impact crushing unit comprises an impact cover cylinder (5) sleeved on the transmission shaft (1), an impact hammer rotor (6) and a grading wheel (7) which are arranged in the impact cover cylinder (5) in the front and back directions on the transmission shaft (1), and a conical pulverization hammer rotor (8) with a large front end and a small back end, wherein the impact hammer rotor (6) and the grading wheel (7) are fixedly arranged on the transmission shaft (1), the conical pulverization hammer rotor (8) can be axially adjusted and arranged on the transmission shaft (1) and corresponds to the impact hammer rotor (6), an impact lining plate (9) is arranged on the impact cover cylinder (5) and corresponds to the conical pulverization hammer rotor (8), and a conical pulverization lining plate (10) with the same taper is arranged on the impact cover cylinder (5);

a slag outlet which corresponds to the grading wheel (7) and is connected with the slag extractor (11) is arranged at the bottom of the impact cover cylinder (5);

the front end and the rear end of the impact cover cylinder (5) are respectively communicated with the feed hopper (2) and the air outlet cover cylinder (3).

2. The horizontal impact ultra fine pulverizer as set forth in claim 1, wherein: the impact cover cylinder (5) corresponding to the grading wheel (7) is a concave cylinder body.

3. The horizontal impact ultra fine pulverizer as set forth in claim 1, wherein: the impact cover cylinder (5) corresponding to the conical pulverization lining plate (10) is a conical cylinder body with the same taper.

4. A horizontal impact super fine crusher according to any one of claims 1 to 3, wherein: the front and rear shaft parts of the feed hopper (2) are respectively installed in place through a front bearing mechanism and a rear bearing mechanism (12).

5. The horizontal impact ultra fine pulverizer as set forth in claim 4, wherein: the driving of transmission shaft (1) is the belt pulley drive mechanism that the motor drove, belt pulley drive mechanism's driven pulley (13) are installed in the front axle head of transmission shaft (1).

6. The horizontal impact ultra fine pulverizer as set forth in claim 5, wherein: and a balance wheel (16) is arranged at the rear shaft end of the transmission shaft (1).

7. A horizontal impact super fine crusher according to any one of claims 1 to 3, wherein: each lining plate is a precision steel casting, and the working surface of each lining plate is welded with wear-resistant materials or brazed hard alloys.

8. The horizontal impact ultra fine pulverizer as set forth in claim 7, wherein: bolt holes are uniformly distributed on the circumference of the barrel body of the impact cover barrel (5) corresponding to the lining plates, fastening bolts (14) penetrate through the bolt holes, and the fastening bolts (14) are screwed in threaded blind holes formed in the corresponding lining plates.