CN215743845U

CN215743845U - Carborundum miropowder grinder

Info

Publication number: CN215743845U
Application number: CN202122047505.1U
Authority: CN
Inventors: 辛桂英; 辛国栋
Original assignee: Weifang Kaihua Silicon Carbide Micro Powder Co ltd
Current assignee: Weifang Kaihua Silicon Carbide Micro Powder Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-02-08
Anticipated expiration: 2031-08-28

Abstract

The utility model discloses a silicon carbide micro powder grinding device, which belongs to the technical field of silicon carbide micro powder production and comprises a grinding tank, a stirring shaft is arranged in the grinding tank, a plurality of stirring blades which are uniformly distributed are arranged on the stirring shaft, one end of the stirring shaft penetrates through the grinding tank and is connected with a driving motor, a material port for feeding and discharging materials is arranged at the upper part of the grinding tank, the bottom of the grinding tank is provided with a discharge hole, the side wall of the grinding tank close to the discharge hole is provided with a feed inlet, the feed inlet is connected with a material pipe, a fan used for screening the silicon carbide micro powder is arranged on the material pipe, between fan and the grinding jar a plurality of medium storage tanks are connected in parallel on the material way pipe, and the difference the storage has the carborundum medium that the particle diameter is different in the medium storage tank, the control box is installed to grinding jar one side, install control panel on the control box.

Description

Carborundum miropowder grinder

Technical Field

The utility model relates to the technical field of production of silicon carbide micro powder, in particular to a silicon carbide micro powder grinding device.

Background

Current ball mill is grinding a period of time after, and carborundum miropowder that the particle diameter has reached standard and carborundum miropowder that the particle diameter is not up to standard mix together, still need sieve during the final ejection of compact, lead to the grinding effect not good enough, carry out the regulation of grinding effect simultaneously through the rotational speed of control grinding equipment and grinding time in the grinding process, operating personnel often controls the subjectivity stronger according to the experience, often can appear grinding or grind insufficient problem, influence product quality.

SUMMERY OF THE UTILITY MODEL

For the problems in the prior art, the silicon carbide micro powder grinding device provided by the utility model utilizes silicon carbide media with various particle sizes to grind silicon carbide micro powder to be processed for multiple times through automatic control, so that the silicon carbide micro powder can be fully crushed, the crushed silicon carbide micro powder can be modified, and the processing quality of subsequent products can be effectively improved.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a carborundum miropowder grinder, includes the grinding pot, install the (mixing) shaft in the grinding pot, install a plurality of evenly distributed's stirring vane on the (mixing) shaft, (mixing) shaft one end is passed the grinding pot is connected with driving motor, grinding pot upper portion is equipped with the material mouth of realizing the material business turn over, grinding pot bottom is equipped with the bin outlet, is close to the bin outlet be equipped with the feed inlet on the grinding pot lateral wall, the feed inlet is connected with the material way pipe, install the fan that is used for screening carborundum miropowder on the material way pipe, between fan and the grinding pot material way pipe is parallelly connected has a plurality of medium storage tanks, and is different the carborundum medium that the storage has the particle diameter difference in the medium storage tank, the control box is installed to grinding pot one side, install control panel on the control box.

Preferably, the medium storage tank is communicated with the air inlet pipe through an electromagnetic valve, and the electromagnetic valve is electrically connected with the control box.

Preferably, the drive motor is a servo motor.

Preferably, a particle size detection device is installed in the grinding tank, a flow meter is installed on the electromagnetic valve, and the particle size detection device and the flow meter are both electrically connected with the control box.

Preferably, the number of the medium storage tanks is three, and a silicon carbide medium I, a silicon carbide medium II and a silicon carbide medium III are respectively stored in the medium storage tanks.

Preferably, the upper part of the polishing pot is formed in an inverted cone shape.

Preferably, the particle sizes of the first silicon carbide medium, the second silicon carbide medium and the third silicon carbide medium are gradually reduced.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the silicon carbide medium with various particle sizes is used for grinding the silicon carbide micro powder to be treated for multiple times, so that the silicon carbide micro powder can be fully crushed, the shape of the crushed silicon carbide micro powder can be modified, and the processing quality of subsequent products can be effectively improved;

2. according to the utility model, through the regulation of the rotating speed of the rotating shaft, the control of the rotating time of the rotating shaft and the mutual supplement of silicon carbide media with different granularities, the crushing and shaping effects of the silicon carbide micro powder can be fully ensured, and the problems of over grinding or insufficient grinding of silicon carbide particles are avoided;

3. according to the utility model, the fan is matched with the tank body, so that the separation of the silicon carbide micro powder with different particle sizes can be realized by utilizing wind energy, the heat dissipation efficiency of the mixture of the silicon carbide micro powder and the silicon carbide medium in the tank body can be accelerated by utilizing the flowing of gas, and the grinding effect of the mixture in the tank body is prevented from being influenced by high temperature;

4. according to the utility model, the granularity control precision of the silicon carbide particles can be improved and the separation of the silicon carbide particles with different granularities is facilitated by the matching of wind screening and stirring grinding.

Drawings

FIG. 1 is a schematic view of the overall structure of a silicon carbide micropowder grinding apparatus according to the present invention.

In the figure: 1-grinding tank, 2-material port, 3-material outlet, 4-material inlet, 5-material channel pipe, 6-blower, 7-medium storage tank, 8-control box and 9-electromagnetic valve.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

The silicon carbide micro powder grinding device shown in fig. 1 comprises a grinding tank 1, wherein a stirring shaft is installed in the grinding tank 1, a plurality of stirring blades which are uniformly distributed are installed on the stirring shaft, one end of the stirring shaft penetrates through the grinding tank 1 and is connected with a driving motor, the driving motor is set as a servo motor, the automatic regulation of the rotating speed of the stirring shaft can be realized, a material port 2 for realizing the material inlet and outlet is arranged at the upper part of the grinding tank 1, a material outlet 3 is arranged at the bottom of the grinding tank 1, a material inlet 4 is arranged on the side wall of the grinding tank 1, which is close to the material outlet 3, the material inlet 4 is connected with a material channel pipe 5, a fan 6 for screening the silicon carbide micro powder is installed on the material channel pipe 5, a plurality of medium storage tanks 7 are connected in parallel on the material channel pipe 5 between the fan 6 and the grinding tank 1, silicon carbide media with different particle sizes are stored in the medium storage tanks 7, control box 8 is installed to 1 one side of grinding jar, install control panel on the control box 8, be equipped with solenoid valve 9 intercommunication between medium storage tank 7 and the air-supply line, solenoid valve 9 is connected with 8 electricity in the control box, can realize the automatic interpolation of grinding medium, install particle size detection device in the grinding jar 1, install the flowmeter on the solenoid valve 9, particle size detection device and flowmeter all with 8 electricity in the control box are connected, utilize control panel to carry out the input of operating instruction, through particle size detection device, flowmeter carry out feedback control, realize this grinder's automated control.

The three medium storage tanks 7 are respectively used for storing a silicon carbide medium I, a silicon carbide medium II and a silicon carbide medium III, the silicon carbide medium I, the silicon carbide medium II and the silicon carbide medium III are sequentially added into the grinding tank 1, and the silicon carbide micro powder to be processed is ground for multiple times by using the silicon carbide media with various particle sizes, so that the silicon carbide micro powder can be fully crushed, the shape of the crushed silicon carbide micro powder can be modified, and the processing quality of subsequent products can be effectively improved.

1 upper portion of grinding pot is established to the back taper, material mouth 2 is located the central point of the back taper on 1 upper portion of grinding pot and puts, conveniently collects the carborundum miropowder that blows up.

The utility model comprises the following steps when in work:

s1: preparing materials, namely storing a first silicon carbide medium, a second silicon carbide medium and a third silicon carbide medium with different grain diameters in different medium storage tanks 7, and guiding silicon carbide micro powder to be treated into the grinding tank 1 through the material port 2;

s2: the method comprises the following steps of performing primary crushing, setting the volume of a first silicon carbide medium entering a grinding tank by using a control panel, wherein the ratio of the first silicon carbide medium to silicon carbide micro powder to be crushed is 1:15, controlling a fan by using a control box 8 to guide the first silicon carbide medium into the grinding tank 1, controlling a driving motor to work by using the control box 8, driving a stirring shaft to work at the rotating speed of 1000 plus materials and 1200r/min by using the driving motor, and stopping the driving motor after working for 10-15min to finish the primary crushing of the silicon carbide micro powder;

s3: secondary crushing, namely setting the volume of a second silicon carbide medium entering the grinding tank 1 by using a control panel, wherein the ratio of the second silicon carbide medium to the first crushed silicon carbide micro powder is 1:12, controlling a fan by using a control box 8 to guide the second silicon carbide medium into the grinding tank 1, controlling a driving motor to work by using the control box 8, driving a stirring shaft to work at the rotating speed of 1000 plus materials and 1200r/min by using the driving motor, and stopping the driving motor after working for 10-15min to finish the secondary crushing of the silicon carbide micro powder;

s4: the modification, the volume of a third silicon carbide medium entering the grinding tank 1 is set by using a control panel, the ratio of the third silicon carbide medium to the secondarily crushed silicon carbide micro powder is 1:10, the fan is controlled by using a control box 8 to guide the third silicon carbide medium into the grinding tank, then the control box 8 is used for controlling a driving motor to work, the driving motor drives a stirring shaft to work at the rotating speed of 1000 plus materials of 1200r/min, the driving motor stops working after working for 10-15min, and the modification of the silicon carbide micro powder is completed;

s5: performing third detection, namely controlling a particle size detection device to perform particle size detection on the silicon carbide particles after the step S4 by using the control box 8, if the detection is qualified, performing the next step, and if the detection is not qualified, continuously repeating the step S4;

s6: and (3) separating and packaging the product, controlling the fan 6 to work by using the control box 8, blowing and separating the silicon carbide particles generated in the step S5 by controlling the power of the fan 6, discharging the silicon carbide micro powder meeting the particle size requirement through the material port 2 under the driving of wind power, and packaging the product discharged from the material port 2.

The particle sizes of the first silicon carbide medium, the second silicon carbide medium and the third silicon carbide medium are gradually reduced, the shapes of the first silicon carbide medium, the second silicon carbide medium and the third silicon carbide medium gradually tend to be spherical, the silicon carbide micro powder to be ground can be fully contacted with the grinding medium, and the grinding effect is ensured.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a carborundum miropowder grinder, characterized by, includes the grinding pot, install the (mixing) shaft in the grinding pot, install a plurality of evenly distributed's stirring vane on the (mixing) shaft, (mixing) shaft one end is passed the grinding pot is connected with driving motor, grinding pot upper portion is equipped with the material mouth of realizing the material business turn over, grinding pot bottom is equipped with the bin outlet, is close to the bin outlet be equipped with the feed inlet on the grinding pot lateral wall, the feed inlet is connected with the material way pipe, install the fan that is used for screening carborundum miropowder on the material way pipe, between fan and the grinding pot material way pipe is gone up and is linked in parallel has a plurality of medium storage tanks, different the storage has the carborundum medium of the particle diameter difference in the medium storage tank, the control box is installed to grinding pot one side, install control panel on the control box.

2. The silicon carbide micropowder grinding device as claimed in claim 1, wherein an electromagnetic valve is provided between the medium storage tank and the air inlet pipe and is electrically connected to the control box.

3. A fine silicon carbide powder grinding apparatus according to claim 1, wherein said drive motor is a servo motor.

4. A silicon carbide micropowder grinding apparatus according to claim 1, wherein a particle size detector is attached to the grinding pot, a flow meter is attached to the electromagnetic valve, and both the particle size detector and the flow meter are electrically connected to the control box.

5. A silicon carbide micropowder mill according to claim 1, wherein there are three media tanks for storing a first silicon carbide medium, a second silicon carbide medium and a third silicon carbide medium.

6. A fine silicon carbide powder grinding apparatus according to claim 5, wherein the first silicon carbide medium, the second silicon carbide medium and the third silicon carbide medium are gradually reduced in particle size.