CN213854819U

CN213854819U - Laboratory milling machine

Info

Publication number: CN213854819U
Application number: CN202022707569.5U
Authority: CN
Inventors: 徐春凤; 邢军; 杨运年; 崔积强
Original assignee: Yantai Jiecheng Powder Equipment Co ltd
Current assignee: Yantai Jiecheng Powder Equipment Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-08-03
Anticipated expiration: 2030-11-21

Abstract

The utility model relates to a laboratory milling machine belongs to laboratory milling machine technical field. The grinding disc type air conditioner comprises a shell consisting of an upper shell, a lower shell and a top cover, wherein a motor is arranged in the lower shell, a grinding disc assembly and a grading impeller are sequentially arranged in the upper shell from bottom to top, the grinding disc assembly and the grading impeller are both mounted on an output shaft of the motor, a gear ring is arranged around the outer circumference of the grinding disc assembly and mounted on the inner wall of the upper shell, the upper shell is communicated with an external feeding mechanism, and the top cover is communicated with a discharge pipeline which is connected with a ventilator. The utility model discloses the simple and direct compactness of structure, occupation space is little, and the energy consumption is low, and the noise is little.

Description

Laboratory milling machine

Technical Field

The utility model relates to a laboratory milling machine belongs to laboratory milling machine technical field.

Background

With the wider application of electrostatic powder coating in the market, the variety of the coating is more and more. The new formulation needs to be tested before batch production. Laboratory mills are the equipment used to test the performance of the new formulation. Laboratory equipment is usually installed in a laboratory, and has high requirements on the levels of space, noise and the like. The existing laboratory flour mill has the disadvantages of complicated structure, large volume, high noise, high energy consumption, high production cost and low laboratory space utilization rate, and is driven by a plurality of motors.

Therefore, a laboratory mill solving the above technical problems is desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem and provide a laboratory milling machine that the structure is simple and direct compact, occupation space is little, and the energy consumption is low, and the noise is little.

The utility model discloses a laboratory milling machine, its special character lies in including the casing that comprises upper housing 1, lower housing 21, top cap 3, be equipped with motor 2 in the lower housing 21, be equipped with mill subassembly 5, hierarchical impeller 4 in the upper housing 1 from bottom to top in proper order, mill subassembly 5 and hierarchical impeller 4 are all installed on the output shaft of motor 2, be provided with ring gear 10 around the outer circumference of mill subassembly 5, ring gear 10 is installed on the upper housing 1 inner wall, upper housing 1 is linked together with outside feed mechanism 9, top cap 3 communicates has discharge duct 7, discharge duct 7 is connected with ventilation blower 8;

a backflow ring 6 is arranged on the outer circumference of the grading impeller 4, the backflow ring 6 is installed at the top of the upper shell 1, and the backflow ring 6 is funnel-shaped, wide in upper part and narrow in lower part;

a separator 11 and a dust removal box 12 are arranged between the discharge pipeline 7 and the ventilator 8, and a regulating valve 13 is arranged on a pipeline between the dust removal box 12 and the ventilator 8;

the grinding disc assembly 5 is arranged on an output shaft of the motor 2 through an upper adjusting pad 14 and a lower adjusting pad 15, the upper adjusting pad 14 is positioned above the grinding disc assembly 5, the lower adjusting pad 15 is positioned below the grinding disc assembly 5, and the grinding disc assembly 5 and the grading impeller 4 can be separated through the upper adjusting pad 14 and the lower adjusting pad 15;

the grinding disc assembly 5 comprises a circular grinding disc body 16, a plurality of spaced striking columns 17 are arranged on the upper surface of the grinding disc body 16 along the circumferential direction, and a plurality of spaced retaining rings 18 are arranged on the lower surface of the grinding disc body 16 along the circumferential direction;

the grading impeller 4 is mounted on an output shaft of the motor 2 through a grading impeller flange 19, and a circle of grading blades 20 with the same inclination angle are arranged on the circumference of the grading impeller 4.

The utility model discloses a laboratory milling machine structural design is ingenious, during the use, carry the material to the supreme casing through feed mechanism 9, smash the material through mill subassembly and ring gear cooperation, the large granule after smashing is got rid of the mill subassembly by the centrifugal force of the high-speed rotatory production of hierarchical impeller and is continued to smash, tiny granule power passes hierarchical impeller entering separator under the wind-force negative pressure effect of ventilation blower, the separator separates qualified granule and collects the dust hopper, ultrafine particle is carried the dust removal case by wind-force and is collected. The utility model discloses the simple and direct compactness of structure has compressed equipment occupation space, has improved laboratory space availability factor, uses a motor to drive, compares two motor simultaneous workings in original structure, has reduced the energy consumption of milling machine.

Drawings

FIG. 1 is a cross-sectional view of a laboratory mill of the present invention;

FIG. 2 is a diagram showing the connection relationship between the laboratory pulverizer and the separator, the dust removal box, and the ventilator;

FIG. 3 is a cross-sectional view of a classifying impeller of a laboratory pulverizer of the present invention;

FIG. 4 is a top view of a classifying impeller of a laboratory pulverizer of the present invention;

figure 5 the utility model relates to a cross-sectional view of laboratory milling machine mill subassembly.

In the figure: 1. an upper housing; 2. a motor; 3. a top cover; 4. grading the impeller; 5. A grinding disc assembly; 6. a reflux ring; 7. a discharge pipeline; 8. a ventilator; 9. a feeding mechanism; 10. a ring gear; 11. a separator; 12. a dust removal box; 13. adjusting a valve; 14. an upper adjustment pad; 15. a lower adjustment pad; 16. a millstone body; 17. striking the column; 18. a retainer ring; 19. classifying impeller flanges; 20. grading the blades; 21. a lower housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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

A laboratory pulverizer of the present embodiment, refer to fig. 1-5, including the casing that is formed by upper casing 1, lower casing 21, top cap 3, there are motors 2 in the lower casing 1, there are millstone assemblies 5, grading impeller 4 in the upper casing 1 sequentially from bottom to top, millstone assembly 5 and grading impeller 4 are all mounted on output shaft of the motor 2, there are gear rings 10 around the outer circumference of the millstone assembly 5, the gear ring 10 is mounted on the upper casing 1 inboard wall, the upper casing 1 is communicated with external feed mechanism 9, the top cap 3 is communicated with the discharge conduit 7, the discharge conduit 7 is connected with ventilator 8, there are separators 11, dust chambers 12 between discharge conduit 7 and ventilator 8, there are regulating valves 13 on the pipeline between dust chambers 12 and ventilator 8;

the specific structure of the grinding disc assembly 5: the grinding disc assembly 5 comprises a circular grinding disc body 16, a plurality of spaced striking columns 17 are arranged on the upper surface of the grinding disc body 16 along the circumferential direction, and a plurality of spaced retaining rings 18 are arranged on the lower surface of the grinding disc body 16 along the circumferential direction;

the specific structure of the classifying impeller 4: the grading impeller 4 is arranged on an output shaft of the motor 2 through a grading impeller flange 19, and a circle of grading blades 20 with the same inclination angle are arranged on the circumference of the grading impeller 4.

The working principle is as follows: the feeding mechanism 9 conveys materials into the upper shell 1 of the flour mill, the grinding disc assembly 5 and the classifying impeller 4 rotate under the drive of the motor 2, the materials are conveyed to the classifying impeller 4 by wind power after being crushed by the grinding disc assembly 5, large particles are thrown back to a grinding cavity by centrifugal force generated by high-speed rotation of the classifying impeller 4 to be continuously crushed, fine particle force can penetrate through the classifying impeller 4 to enter the separator 11 under the action of wind power negative pressure, qualified particles separated by the separator 11 are collected into the dust collecting hopper, and ultrafine particles are conveyed to the dust collecting box 12 by wind power to be collected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laboratory milling machine, its characterized in that includes the casing that comprises upper housing, lower casing, top cap, the internal motor that is equipped with of lower casing, be equipped with mill subassembly, hierarchical impeller in the upper housing from bottom to top in proper order, mill subassembly and hierarchical impeller are all installed on the output shaft of motor, are provided with the ring gear around the outer circumference of mill subassembly, the ring gear is installed on upper housing inner wall, upper housing is linked together with outside feed mechanism, the top cap intercommunication has the ejection of compact pipeline, the ejection of compact pipeline is connected with the ventilation blower.

2. A laboratory mill according to claim 1, characterized in that the classifying impeller is provided with a return ring at its outer circumference, the return ring being mounted on top of the upper housing, the return ring being funnel-shaped and having a wide top and a narrow bottom.

3. A laboratory mill according to claim 1, characterized in that a separator, a dust box, and a regulating valve are arranged between the discharge duct and the ventilator.

4. A laboratory mill according to claim 1 or 2, characterized in that the mill disc assembly is mounted on the output shaft of the motor by means of an upper adjustment pad and a lower adjustment pad, the upper adjustment pad being located above the mill disc assembly and the lower adjustment pad being located below the mill disc assembly, the separation of the mill disc assembly from the classifying impeller being achieved by means of the upper and lower adjustment pads.

5. A laboratory mill according to claim 1, characterized in that said disc assembly comprises a circular disc body, the upper surface of the disc body being provided with a plurality of circumferentially spaced impact posts, and the lower surface of the disc body being provided with a plurality of circumferentially spaced retaining rings.

6. A laboratory mill according to claim 1, characterized in that said classifying impeller is flange-mounted on the output shaft of the motor by means of a classifying impeller, the circumference of which is provided with a circle of classifying blades having the same inclination angle.