CN215586649U

CN215586649U - Powder grinding equipment

Info

Publication number: CN215586649U
Application number: CN202121675643.8U
Authority: CN
Inventors: 邓志权
Original assignee: St Mills Technology Shenzhen Co ltd
Current assignee: St Mills Technology Shenzhen Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-21
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses powder grinding equipment which comprises a first supporting seat, a second supporting seat and a third supporting seat, wherein the second supporting seat is positioned on the right side of the first supporting seat, the third supporting seat is positioned on the left side of the first supporting seat, a grinding machine is fixedly connected in the middle of the lower side of the first supporting seat, a main shaft is fixedly connected with a power output end of the grinding machine, a grinding cavity is fixedly connected on the upper side of the first supporting seat, a driving motor is fixedly connected on the upper side of the grinding cavity, a guide ring is fixedly connected in the middle of the grinding cavity, a grading wheel is arranged in the middle of the grinding cavity, a discharging pipe is arranged on the left side of the grinding cavity, a rotary valve is fixedly connected on the upper side of the second supporting seat, a feeding port is fixedly connected on the upper side of the rotary valve, a feeding pipe is fixedly connected in the middle of the second supporting seat, the left side of the feeding pipe is fixedly connected with the grinding cavity, and a fan is fixedly connected on the upper side of the third supporting seat, the upper side of the fan is fixedly connected with a discharge outlet.

Description

Powder grinding equipment

Technical Field

The utility model relates to the field of powder processing, in particular to powder grinding equipment.

Background

Baking soda is also called sodium bicarbonate, is an inorganic salt, is white crystalline powder, is slowly decomposed in moist air or hot air to generate carbon dioxide, and is completely decomposed when heated to 270 ℃. When meeting acid, the acid is strongly decomposed to generate carbon dioxide. Baking soda starts to decompose gradually at above 50 ℃ to produce sodium carbonate, water and carbon dioxide gas, which is often used as a leavening agent for making biscuits, steamed bread, bread and pastries.

During the processing of the baking soda, raw materials need to be ground, but the existing grinding equipment cannot accurately control the ground particle size, so that the quality of the processed baking soda is different, and the reputation of a company is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide powder grinding equipment to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a powder grinding equipment, includes first supporting seat, second supporting seat and third supporting seat, its characterized in that: the second supporting seat is positioned on the right side of the first supporting seat, the third supporting seat is positioned on the left side of the first supporting seat, the grinding machine is fixedly connected in the middle of the lower side of the first supporting seat, the main shaft is fixedly connected to the power output end of the grinding machine, the grinding cavity is fixedly connected to the upper side of the first supporting seat, the top cover is arranged on the upper side of the grinding cavity, the driving motor is fixedly connected to the upper side of the grinding cavity, the guide ring is fixedly connected to the middle of the grinding cavity, the grading wheel is arranged in the middle of the grinding cavity, the grading shaft is arranged in the middle of the grinding cavity, the discharging pipe is arranged on the left side of the grinding cavity, the rotary valve is fixedly connected to the upper side of the second supporting seat, the feeding port is fixedly connected to the upper side of the rotary valve, the feeding pipe is fixedly connected to the middle of the second supporting seat, and the left side of the feeding pipe is fixedly connected with the grinding cavity, the upside fixedly connected with fan of third supporting seat, the upside fixedly connected with bin outlet of fan, be equipped with the flue gas pipe between discharging pipe and the fan.

Preferably, the upper side of the main shaft is fixedly connected with a hammer disc, hammers are hung at the side end of the hammer disc and are uniformly distributed by taking the hammer disc as the center.

Preferably, a lining ring is fixedly connected to the inner wall of the grinding cavity, and the lining ring is opposite to the hammer head.

Preferably, the diameter of the guide ring is gradually reduced from top to bottom, the grading wheel is positioned in the middle of the guide ring, a connecting ring is arranged in the middle of the lower end of the guide ring, connecting plates are annularly arranged at the side end of the connecting ring, the connecting ring is fixedly connected with the guide ring through the connecting plates, and the connecting ring is fixedly connected with the upper end of the main shaft.

Preferably, the classification wheel comprises a connecting disc and blades, the blades are provided with pieces, the blades are uniformly distributed at the side end of the connecting disc, and the distance between every two adjacent blades is the same.

Preferably, the connecting disc is of a structure shaped like a Chinese character ji, the blades are of a parallelogram structure, the lower end points of the blades are aligned with the sides of the connecting disc, and the connecting disc protrudes from the upper parts of the blades.

Preferably, the upper end fixedly connected with shaft coupling of hierarchical axle, shaft coupling and driving motor's power take off end fixed connection, hierarchical axle lower extreme and connection pad fixed connection, hierarchical axle and connection pad junction are equipped with the packing ring.

Compared with the prior art, the utility model has the beneficial effects that: baking soda raw materials enter a grinding cavity body along a feeding pipe, a grinding machine drives a hammer disc to rotate through a main shaft, a hammer head hung on the hammer disc beats and grinds the baking soda raw materials, a driving motor drives a grading shaft to rotate, the grading shaft drives a grading wheel to rotate at a high speed to form wind pressure, a fan induces wind to form negative pressure, the wind pressure and the negative pressure are opposite, the air door is oppositely flushed mutually to form a small air door, materials meeting requirements reach a discharging pipe through the air door of the grading wheel, large particles are too heavy and cannot be supported by the wind pressure until the particle diameter reaches the design requirements, the materials reach a flue gas pipe through the discharging pipe, and the materials react with acidic components in the pipeline, so that the deacidification requirement is met, and high efficiency and stability are achieved.

Drawings

FIG. 1 is a schematic view of a device connection structure;

FIG. 2 is a schematic view of the connection structure inside the polishing chamber;

FIG. 3 is a top view of a drive motor connection structure;

FIG. 4 is a front view of a connecting structure of the classifying wheel;

FIG. 5 is a side view of the connection structure of the classification wheel;

FIG. 6 is a schematic view of a blade configuration;

fig. 7 is a schematic view of a gasket structure.

In the figure: the device comprises a first supporting seat 1, a second supporting seat 2, a third supporting seat 3, a rotary valve 4, a feed inlet 5, a feed pipe 6, a grinding cavity 7, a grinding machine 8, a driving motor 9, a discharge pipe 10, a flue gas pipe 11, a fan 12, a discharge outlet 13, a grading shaft 14, a coupling 15, a top cover 16, a main shaft 17, a hammer disc 18, a hammer head 19, a lining ring 20, a guide ring 21, a grading wheel 22, a connecting disc 23, a blade 24 and a gasket 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a powder grinding device comprises a first supporting seat 1, a second supporting seat 2 and a third supporting seat 3, wherein the second supporting seat 2 is positioned on the right side of the first supporting seat 1, the third supporting seat 3 is positioned on the left side of the first supporting seat 1, a grinding machine 8 is fixedly connected in the middle of the lower side of the first supporting seat 1, a main shaft 17 is fixedly connected with a power output end of the grinding machine 8, a grinding cavity 7 is fixedly connected on the upper side of the first supporting seat 1, a top cover 16 is arranged on the upper side of the grinding cavity 7, a driving motor 9 is fixedly connected on the upper side of the grinding cavity 7, a guide ring 21 is fixedly connected in the middle of the grinding cavity 7, a grading wheel 22 is arranged in the middle of the grinding cavity 7, a grading shaft 14 is arranged in the middle of the grinding cavity 7, a discharge pipe 10 is arranged on the left side of the grinding cavity 7, a rotary valve 4 is fixedly connected on the upper side of the second supporting seat 2, and a feed inlet 5 is fixedly connected on the upper side of the rotary valve 4, fixedly connected with inlet pipe 6 in the middle of second supporting seat 2, the left side of inlet pipe 6 and the 7 fixed connection of grinding cavity, the upside fixedly connected with fan 12 of third supporting seat 3, the upside fixedly connected with bin outlet 13 of fan 12, be equipped with flue gas pipe 11 between discharging pipe 10 and the fan 12, it has acid gas to fill in the flue gas pipe 11, the material passes through during discharging pipe 10 reachs flue gas pipe 11, react with the acid composition in the pipeline, thereby play the requirement of deacidification, reach high-efficient stable.

The upper side of the main shaft 17 is fixedly connected with a hammer disk 18, hammers 19 are hung at the side end of the hammer disk 18, the hammers 19 are uniformly distributed by taking the hammer disk 18 as the center, and the main shaft 17 drives the hammer disk 18 to rotate, so that the hammers 19 beat and grind the raw materials until the particle diameter reaches the design requirement.

The inner wall of the grinding cavity 7 is fixedly connected with a lining ring 20, the lining ring 20 is opposite to the hammer 19, and the lining ring 20 protects the inner wall of the grinding cavity 7 and plays a role in shock absorption.

The diameter reduces gradually from top to bottom of water conservancy diversion circle 21, it is located the centre of water conservancy diversion circle 21 to divide classification wheel 22, be equipped with the go-between in the middle of the lower extreme of water conservancy diversion circle 21, go-between side end annular arrangement has the connecting plate, the go-between passes through connecting plate and water conservancy diversion circle 21 fixed connection, go-between and main shaft 17 upper end fixed connection, water conservancy diversion circle 21 can carry out the water conservancy diversion to the raw materials after grinding, also can carry out the water conservancy diversion restraint to the air current that arouses when dividing classification wheel 22 rotates simultaneously, avoid the raw materials after grinding to fly in disorder in grinding cavity 7, influence the normal discharge of raw materials.

The grading wheel 22 comprises a connecting disc 23 and blades 24, the blades 24 are provided with 36 blades, the blades 24 are uniformly distributed at the side end of the connecting disc 23, the distance between every two adjacent blades 24 is the same, the grading shaft 14 drives the grading wheel 22 to rotate at a high speed to form wind pressure, the negative pressure formed by the wind induced by the fan 12 is opposite, and fine air doors are formed by mutual opposite impact.

The connecting disc 23 is of a structure in a shape like a Chinese character 'ji', the blades 24 are of a parallelogram structure, the lower end points of the blades 24 are aligned with the side edges of the connecting disc 23, and the connecting disc 23 protrudes above the blades 24, so that ground particles can be conveniently discharged when the particle diameter meets the requirement.

The upper end of the grading shaft 14 is fixedly connected with a coupler 15, the coupler 15 is fixedly connected with a power output end of a driving motor 9, the lower end of the grading shaft 14 is fixedly connected with a connecting disc 23, a gasket 25 is arranged at the joint of the grading shaft 14 and the connecting disc 23, the driving motor 9 drives the grading shaft 14 to rotate through the coupler 15, the grading shaft 14 can drive a grading wheel 22 to rotate, the gasket 25 protects the grading shaft 11 from being scratched by the connecting disc 23 when the grading shaft 14 and the gasket 25 are connected, and meanwhile, the pressure generated when the connecting disc 23 is connected is dispersed.

The working principle is as follows: baking soda raw materials are poured into a feeding hole 5 of a rotary valve 4, so that the raw materials can be uniformly fed into a feeding pipe 6 and enter a grinding cavity 7 along the feeding pipe 6, a grinding machine 8 drives a hammer disc 18 to rotate through a main shaft, a hammer head 19 is used for hammering and grinding the raw materials, a driving motor 9 drives a grading shaft 14 to rotate through a coupling 15, the grading shaft 14 can drive a grading wheel 22 to rotate, the grading wheel 22 rotates at a high speed to form wind pressure, the wind pressure is opposite to negative pressure formed by a fan, the wind pressure and the negative pressure are opposite to each other to form a fine wind door, the materials meeting requirements reach a discharging pipe through the wind door of the grading wheel 22, large particles are too heavy and cannot be supported by the wind pressure until the particle diameter meets the design requirements, and the materials reach a flue gas pipe 11 through the discharging pipe 10 and react with acid components in the pipe, so that the deacidification requirement is met.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder grinding equipment, includes first supporting seat (1), second supporting seat (2) and third supporting seat (3), its characterized in that: the second supporting seat (2) is positioned on the right side of the first supporting seat (1), the third supporting seat (3) is positioned on the left side of the first supporting seat (1), the grinding machine (8) is fixedly connected with the middle of the lower side of the first supporting seat (1), the main shaft (17) is fixedly connected with the power output end of the grinding machine (8), the grinding cavity (7) is fixedly connected with the upper side of the first supporting seat (1), the top cover (16) is arranged on the upper side of the grinding cavity (7), the driving motor (9) is fixedly connected with the upper side of the grinding cavity (7), the guide ring (21) is fixedly connected with the middle of the grinding cavity (7), the grading wheel (22) is arranged in the middle of the grinding cavity (7), the grading shaft (14) is arranged in the middle of the grinding cavity (7), and the discharging pipe (10) is arranged on the left side of the grinding cavity (7), upside fixedly connected with rotary valve (4) of second supporting seat (2), upside fixedly connected with feed inlet (5) of rotary valve (4), middle fixedly connected with inlet pipe (6) of second supporting seat (2), the left side of inlet pipe (6) and grinding cavity (7) fixed connection, upside fixedly connected with fan (12) of third supporting seat (3), upside fixedly connected with bin outlet (13) of fan (12), be equipped with flue gas pipe (11) between discharging pipe (10) and fan (12).

2. The powder grinding apparatus according to claim 1, wherein: the hammer is characterized in that a hammer disc (18) is fixedly connected to the upper side of the main shaft (17), hammers (19) are hung at the side end of the hammer disc (18), and the hammers (19) are uniformly distributed by taking the hammer disc (18) as the center.

3. The powder grinding apparatus according to claim 1, wherein: a lining ring (20) is fixedly connected to the inner wall of the grinding cavity (7), and the lining ring (20) is opposite to the hammer head (19).

4. The powder grinding apparatus according to claim 1, wherein: the diameter of the guide ring (21) is gradually reduced from top to bottom, the grading wheel (22) is located in the middle of the guide ring (21), a connecting ring is arranged in the middle of the lower end of the guide ring (21), connecting plates are annularly arranged at the side ends of the connecting rings, the connecting rings are fixedly connected with the guide ring (21) through the connecting plates, and the connecting rings are fixedly connected with the upper end of the main shaft (17).

5. The powder grinding apparatus according to claim 1, wherein: the grading wheel (22) comprises a connecting disc (23) and blades (24), the blades (24) are provided with 36 blades, the blades (24) are uniformly distributed at the side end of the connecting disc (23), and the distance between every two adjacent blades (24) is the same.

6. The powder grinding apparatus according to claim 5, wherein: the connecting disc (23) is of a structure shaped like a Chinese character 'ji', the blades (24) are of a parallelogram structure, the lower end points of the blades (24) are aligned with the side edges of the connecting disc (23), and the connecting disc (23) protrudes from the upper part of the blades (24).

7. The powder grinding apparatus according to claim 5, wherein: the upper end fixedly connected with shaft coupling (15) of hierarchical axle (14), the power take off end fixed connection of shaft coupling (15) and driving motor (9), hierarchical axle (14) lower extreme and connection pad (23) fixed connection, hierarchical axle (14) and connection pad (23) junction are equipped with packing ring (25).