Vertical pulverizer for talcum powder production

Abstract

The utility model discloses a vertical pulverizer for talcum powder production, which relates to the technical field of talcum powder pulverizing and comprises a shell, a guide cylinder and a conical cylinder are fixedly arranged in the shell through a cross rod, a turntable is arranged below the guide cylinder and the conical cylinder in the shell, the turntable can rotate, and the height of the turntable can be adjusted. A conical body extending into the conical cylinder is fixedly arranged at the center of the rotating disc, a plurality of crushing teeth are fixedly arranged on the inner surface of the conical cylinder and the outer surface of the conical cylinder, a plurality of grinding rollers capable of freely rotating are arranged between the conical cylinder and the guide cylinder, a feeding pipe is connected to the upper end of the conical cylinder, the upper end of the feeding pipe extends out of the shell, and a discharging pipe is connected to the upper end of the shell; a plurality of air holes are formed in the portion, located on the outer side of the rotary disc, of the shell, powder can be blown upwards through air blown out of the air holes, the powder with small particles can enter the discharging pipe along with the air and is discharged out of the shell, the powder with large particles can fall onto the rotary disc through self weight, and the powder can be ground again.

Description

Technical Field

[0001] This utility model relates to the field of talc powder grinding technology, specifically a vertical grinding mill for talc powder production. Background Technology

[0002] Talc powder is a magnesium silicate mineral of the talc group. In the existing technology, when pulverizing talc powder, a vertical grinding mill is usually used to grind and pulverize it in order to increase the pulverization precision.

[0003] For example, the utility model patent with announcement number CN220716061U discloses a vertical grinding mill for processing talc powder, which relates to the field of grinding mill technology. It includes a base, a material guiding structure, and a rotating structure. The top of the base is equipped with a base plate, and a fixing groove is installed in the middle of the bottom end of the base plate. The rotating structure is located inside the fixing groove. A first drive motor is installed on one side of the fixing groove, and a main body is installed on the top of the base plate. Air inlet pipes are installed on the bottom ends of both sides of the main body, and a turntable is rotatably connected to the bottom end inside the main body. A second drive motor is installed on both sides of the main body, and a rotating rod is installed at the output end of each of the second drive motors. A grinding roller is installed at one end of each rotating rod, and an inertial separator is installed at the top of the inside of the main body.

[0004] However, existing grinding mills cannot re-grind larger particles, resulting in poor quality talc powder and unsatisfactory performance. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a vertical grinding mill for talc powder production, thereby solving the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a vertical grinding mill for talc powder production, comprising a shell, a guide cylinder and a cone cylinder fixedly arranged inside the shell by a crossbar, a channel being left between the guide cylinder and the inner wall of the shell, a turntable arranged below the guide cylinder and the cone cylinder inside the shell, the turntable being rotatable and height adjustable, a cone extending into the cone cylinder being fixedly arranged at the center of the turntable, multiple crushing teeth being fixedly arranged on the inner surface of the cone cylinder and the outer surface of the cone cylinder, multiple freely rotatable grinding rollers being arranged between the cone cylinder and the guide cylinder, a feed pipe being connected to the upper end of the cone cylinder, the upper end of the feed pipe extending outside the shell, a discharge pipe being connected to the upper end of the shell, and multiple air holes being opened on the shell located outside the turntable.

[0007] Preferably, a fixed column is fixedly disposed inside the housing, the turntable is fitted onto the fixed column, and a telescopic rod is fixedly installed inside the fixed column, the telescopic end of the telescopic rod being rotatably connected to the turntable.

[0008] Preferably, an internal gear ring is fixedly disposed below the turntable, a motor is fixedly disposed at the bottom of the housing, and a gear that meshes with the internal gear ring is fixedly disposed at the power output end of the motor.

[0009] Preferably, the volume of the crushing teeth gradually increases from top to bottom.

[0010] Preferably, an air supply cover connected to a plurality of air holes is fixedly provided on the outside of the housing, and an air supply pipe is connected to the air supply cover.

[0011] This utility model provides a vertical grinding mill for talc powder production, which has the following beneficial effects: the crushing teeth on the cone and the cylinder can perform primary crushing of the raw materials, reducing the size of the raw material particles; the grinding rollers can grind the raw materials on the turntable into powder; the gas blown out through the air holes can blow the powder upwards, and the smaller powder particles will follow the gas into the discharge pipe and be discharged from the shell, while the larger powder particles will fall back onto the turntable by their own weight, realizing the re-grinding of the powder and ensuring the grinding quality; by adjusting the height of the turntable, the distance between the turntable and the grinding rollers and the distance between the cone and the cylinder can be changed, thereby controlling the grinding quality. Attached Figure Description

[0012] Figure 1 This is the front view of the internal structure of this utility model.

[0013] In the diagram: 1. Shell; 2. Crossbar; 3. Guide cylinder; 4. Cone; 5. Turntable; 6. Cone body; 7. Crushing teeth; 8. Grinding roller; 9. Feed pipe; 10. Discharge pipe; 11. Air hole; 12. Fixed column; 13. Telescopic rod; 14. Motor; 15. Internal gear ring; 16. Gear; 17. Air supply hood; 18. Air supply pipe. Detailed Implementation

[0014] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0015] Please see Figure 1This utility model provides a technical solution: a vertical grinding mill for talc powder production, including a shell 1. A guide cylinder 3 and a cone cylinder 4 are fixedly arranged inside the shell 1 via a crossbar 2. A channel is left between the guide cylinder 3 and the inner wall of the shell 1. A turntable 5 is arranged below the guide cylinder 3 and the cone cylinder 4 inside the shell 1. The turntable 5 is rotatable and height adjustable. A cone 6 extending into the cone cylinder 4 is fixedly arranged at the center of the turntable 5. Multiple crushing teeth 7 are fixedly arranged on the inner surface of the cone cylinder 4 and the outer surface of the cone 6. The crushing teeth 7 can perform primary crushing of the talc powder. Multiple freely rotating grinding rollers 8 are arranged between the cone cylinder 4 and the guide cylinder 3. When the talc powder after primary crushing flows to the upper surface of the turntable 5... The powder can be ground by the grinding roller 8. The upper end of the cone 4 is connected to the feed pipe 9, which extends to the outside of the shell 1. The talc powder raw material can flow into the cone 4 through the feed pipe 9. The upper end of the shell 1 is connected to the discharge pipe 10. Multiple air holes 11 are opened on the shell 1 located outside the turntable 5. Air can be blown into the shell 1 through the air holes 11. The flowing air can blow the powder discharged from the edge of the turntable 5 upward. The air-powder mixture can flow upward through the channel between the guide cylinder 3 and the shell 1. The smaller powder particles will follow the gas into the discharge pipe 10 and be discharged outside the shell 1, while the larger powder particles will fall onto the turntable 5 by their own weight, so that the powder can be ground again.

[0016] As an embodiment of this utility model, a fixed column 12 is fixedly provided inside the housing 1, and the turntable 5 is fitted on the fixed column 12. A telescopic rod 13 is fixedly installed inside the fixed column 12. The telescopic end of the telescopic rod 13 is rotatably connected to the turntable 5. The fixed column 12 is used to limit the radial movement of the turntable 5. The height of the turntable 5 can be adjusted by the telescopic rod 13, thereby controlling the distance between the turntable 5 and the grinding roller 8, as well as the distance between the cone 6 and the cone cylinder 4.

[0017] As an embodiment of this utility model, an internal gear ring 15 is fixedly installed below the turntable 5, and a motor 14 is fixedly installed at the bottom of the housing 1. A gear 16 that meshes with the internal gear ring 15 is fixedly installed at the power output end of the motor 14. The turntable 5 can be rotated by starting the motor 14. The turntable 5 can be height adjusted under the premise of ensuring power transmission through the cooperation between the internal gear ring 15 and the gear 16.

[0018] As one embodiment of this utility model, the crushing tooth 7 gradually increases in volume from top to bottom, which facilitates the entry of larger volume raw materials into the space between the cone body 6 and the cone cylinder 4.

[0019] As an embodiment of this utility model, an air supply cover 17 connected to a plurality of air holes 11 is fixedly provided on the outer side of the housing 1, and an air supply pipe 18 is connected to the air supply cover 17.

[0020] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical connections between the various electrical components are completed in sequence. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0021] The working principle and usage process of this utility model are as follows: When in use, starting the motor 14 rotates the turntable 5. Connecting the air supply pipe 18 to the air pump and starting the air pump causes air to be ejected from multiple air holes 11. The raw material enters the cone 4 through the feed pipe 9. The material undergoes primary crushing via the cone body 6 and the crushing teeth 7 on the cone 4, reducing the particle size. After primary crushing, the material flows onto the turntable 5. The centrifugal force of the rotating turntable 5 causes the material to move towards the edge of the turntable 5. The grinding roller 8 then grinds the material on the turntable 5. When the powder flows to the edge of the turntable 5, the gas blown out through the air hole 11 can blow the powder upward. The air-powder mixture can flow upward through the channel between the guide cylinder 3 and the shell 1. Smaller powder particles will follow the gas into the discharge pipe 10 and be discharged from the shell 1, while larger powder particles will fall onto the turntable 5 by their own weight, thus achieving re-grinding of the powder. By adjusting the height of the turntable 5, the distance between the turntable 5 and the grinding roller 8 and the distance between the cone 6 and the conical cylinder 4 can be changed, thereby controlling the grinding quality.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vertical grinding mill for talc powder production, characterized in that, Includes a housing (1), inside which a guide cylinder (3) and a cone cylinder (4) are fixedly arranged by a crossbar (2). A channel is left between the guide cylinder (3) and the inner wall of the housing (1). A turntable (5) is arranged inside the housing (1) below the guide cylinder (3) and the cone cylinder (4). The turntable (5) is rotatable and height adjustable. A cone (6) extending into the cone cylinder (4) is fixedly arranged at the center of the turntable (5). 4) Multiple crushing teeth (7) are fixedly provided on the inner surface and the outer surface of the cone (6). Multiple grinding rollers (8) that can rotate freely are provided between the cone (4) and the guide cylinder (3). The upper end of the cone (4) is connected to the feed pipe (9). The upper end of the feed pipe (9) extends to the outside of the shell (1). The upper end of the shell (1) is connected to the discharge pipe (10). Multiple air holes (11) are opened on the shell (1) located outside the turntable (5).

2. The vertical grinding mill for talc powder production according to claim 1, characterized in that, A fixed column (12) is fixedly installed inside the housing (1), and the turntable (5) is fitted on the fixed column (12). A telescopic rod (13) is fixedly installed inside the fixed column (12), and the telescopic end of the telescopic rod (13) is rotatably connected to the turntable (5).

3. The vertical grinding mill for talc powder production according to claim 1, characterized in that, An internal gear ring (15) is fixedly installed below the turntable (5), and a motor (14) is fixedly installed at the bottom of the housing (1). A gear (16) that meshes with the internal gear ring (15) is fixedly installed at the power output end of the motor (14).

4. A vertical grinding mill for talc powder production according to claim 1, characterized in that, The volume of the breaking tooth (7) gradually increases from top to bottom.

5. A vertical grinding mill for talc powder production according to claim 1, characterized in that, An air supply cover (17) is fixedly provided on the outside of the housing (1) and communicates with a plurality of air holes (11). An air supply pipe (18) is connected to the air supply cover (17).

Images