Jet mill device for talcum powder production

Abstract

The utility model relates to the technical field of jet mills, and discloses a jet mill device for talcum powder production, which comprises a fixed plate, the middle of the fixed plate penetrates through and is fixedly connected with a crushing box, the bottom of the fixed plate is fixedly connected with a support rod, and the left side of the top of the fixed plate is fixedly connected with a first protective cover. A first servo motor is fixedly connected to the interior of the first protective cover, a rotating rod is fixedly connected to the output end of the first servo motor, a crushing shaft is fixedly connected to the outer ring of the rotating rod, a feeding opening is fixedly connected to the top of the crushing box, and a first discharging pipe penetrates through and is fixedly connected to the bottom of the crushing box; the output end of the second servo motor is fixedly connected with a spiral feeding rod, and a screening assembly is arranged in the jet mill box. According to the jet mill disclosed by the utility model, large talc raw materials are crushed into small particles by the crushing shaft on the rotating rod through the first servo motor, and the feeding amount of the raw materials is controlled through the second servo motor, so that the processing efficiency of the jet mill is improved.

Description

Technical Field

[0001] The utility model relates to the field of air classifiers, in particular to an air classifier device for talcum powder production. Background Art

[0002] The technology of air classifiers originated from the demand for efficient and low-damage powder processing methods. With the continuous development of material science and industrial manufacturing technology, the requirements for powder materials are increasing day by day. Traditional mechanical grinding methods often have problems such as thermal damage, abrasive wear, and surface quality. Air classifiers achieve fine grinding of materials by utilizing the impact, shear, and friction effects of high-speed airflows, effectively avoiding these problems, and thus have received extensive attention and applications.

[0003] After retrieval, the existing Chinese patent publication number is: CN211070377U, which provides an air classifier pulverizing device for ultrafine talcum powder. This patent controls a micro reduction motor, which drives a gear to rotate, and the gear drives a rack, so that the mounting plate can move, and then the baffle plate inside the feeding pipe can move, and then the feeding amount inside the feeding pipe can be controlled, facilitating the control of the processing speed of raw materials. Moreover, the feeding pipe is a square pipe with a square cross-section, and the cross-section of the top side wall of the card slot is a triangular structure, so that the feeding pipe and the baffle plate fit better. Also, the cross-section of the top side wall of the card slot is a triangular structure, which is convenient for raw materials to enter, and the raw materials can slide down along the inclined surface of the top side wall without causing retention and waste.

[0004] Although the above patent can control the feeding amount in the feeding pipe, the above air classifier pulverizing device for ultrafine talcum powder still has the following problems: Since the talcum powder raw material is in large lumps, directly processing it with an air classifier affects the processing efficiency.

[0005] In view of the above problems, an air classifier device for talcum powder production is proposed. Summary of the Utility Model

[0006] The purpose of the utility model is to provide an air classifier device for talcum powder production, which solves the problem of slow talcum powder processing efficiency in the background art.

[0007] To achieve the above object, the present utility model provides the following technical solution: An air classifier mill device for talcum powder production, comprising a fixing plate, a crushing box is penetrated and fixedly connected in the middle of the fixing plate, a support rod is fixedly connected to the bottom of the fixing plate, a first protective cover is fixedly connected to the left side of the top of the fixing plate, a first servo motor is fixedly connected inside the first protective cover, a rotating rod is fixedly connected to the output end of the first servo motor, a crushing shaft is fixedly connected to the outer circle of the rotating rod, a feeding port is fixedly connected to the top of the crushing box, a first discharge pipe is penetrated and fixedly connected to the bottom of the crushing box, a feeding pipe is penetrated and fixedly connected to the bottom of the first discharge pipe, a bottom plate is fixedly connected to the bottom of the support rod, a second protective cover is fixedly connected to the left side of the top of the bottom plate, a second servo motor is fixedly connected inside the second protective cover, a spiral feeding rod is fixedly connected to the output end of the second servo motor, the spiral feeding rod is penetrated and rotatably connected to the left side of the feeding pipe, an air classifier mill box body is penetrated and fixedly connected to the right side of the feeding pipe, a screen is slidably connected inside the air classifier mill box body, a spring is fixedly connected to the top of the screen, and a screening assembly is arranged inside the air classifier mill box body.

[0008] By adopting the above technical solution, when talcum powder needs to be processed, first add talcum into the feeding port, then control the first servo motor to rotate, thereby driving the rotating rod and the crushing shaft fixedly connected to the rotating rod to rotate, so that the crushing shaft crushes large pieces of talcum into small particles, and then enters the inside of the feeding pipe through the first discharge pipe. Then start the second servo motor to send the talcum particles in the feeding pipe into the air classifier mill box body, and the feeding amount can also be controlled by the second servo motor.

[0009] As a further description of the above technical solution: The screening assembly includes a connecting plate, the connecting plate is fixedly connected to the top of the spring, a fixed cover is fixedly connected inside the air classifier mill box body, a vibration motor is fixedly connected inside the fixed cover, and the screen is fixedly connected to the output end of the vibration motor.

[0010] By adopting the above technical solution, control the vibration motor to vibrate, and transmit the vibration to the screen through the spring and the connecting plate, so that the larger talcum particles that cannot pass through the screen are bounced up, and further collide and crush with other talcum particles through the blowing of the air again.

[0011] As a further description of the above technical solution: The bottom of the second protective cover is fixedly connected to a bottom plate, and the bottom of the bottom plate is fixedly connected to a support frame.

[0012] By adopting the above technical solution, the equipment can be kept away from the ground to avoid moisture.

[0013] As a further description of the above technical solution: A storage cylinder is fixedly connected to the right side of the top of the bottom plate.

[0014] By adopting the above technical solution, clean gas can be stored therein in advance.

[0015] As a further description of the above technical solution: An air inlet pipe penetrates and is fixedly connected to the left side of the gas storage cylinder.

[0016] By adopting the above technical solution, the gas inside the gas storage cylinder can be transmitted to the next device.

[0017] As a further description of the above technical solution: An air pump penetrates and is fixedly connected to the outer ring of the air inlet pipe.

[0018] By adopting the above technical solution, the air pump can compress the transmitted gas into high-pressure gas.

[0019] As a further description of the above technical solution: A branch pipe penetrates and is fixedly connected to the top of the outer ring of the air inlet pipe, and the branch pipe penetrates and is fixedly connected to the outer ring of the airflow mill box body.

[0020] By adopting the above technical solution, the compressed gas enters the interior of the airflow mill box body through the air inlet pipe and the branch pipe.

[0021] As a further description of the above technical solution: A second discharge pipe penetrates and is fixedly connected to the bottom of the airflow mill box body.

[0022] By adopting the above technical solution, the processed talcum powder can be discharged.

[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0024] 1. An airflow mill device for talcum powder production provided by the present utility model. First, through the crushing shaft, talcum raw materials are first added to the feeding port, and then the first servo motor is controlled to rotate, so that the crushing shaft crushes large pieces of talcum into small pieces of particles. Subsequently, it enters the interior of the feeding pipe through the first discharge pipe, and then the second servo motor is started to send the talcum particles in the feeding pipe into the interior of the airflow mill box body, thereby improving the processing efficiency of the airflow mill, and the feeding amount can also be controlled through the second servo motor.

[0025] 2. An airflow mill device for talcum powder production provided by the present utility model. Through the screening assembly, the talcum powder that meets the requirements slides off the screen during the processing of the airflow mill. At this time, the vibration motor is controlled to vibrate, so that the vibration is transmitted to the screen through the spring and the connecting plate, causing the larger talcum particles that do not meet the requirements on the screen to be bounced up, so that they are further collided and crushed with other talcum particles by the blowing of the air flow again, thereby improving the quality of the talcum powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional view of the present utility model;

[0027] Figure 2 This is the front view of the present utility model;

[0028] Figure 3 This is the cross-sectional view of the crushing mechanism of the present utility model;

[0029] Figure 4 This is the cross-sectional view of the screening component of the present utility model.

[0030] Legend description:

[0031] 1. Bottom plate; 2. Support rod; 3. Fixed plate; 4. First protective cover; 5. First servo motor; 6. Rotating rod; 7. Crushing shaft; 8. Crushing box; 9. Feeding port; 10. First discharge pipe; 11. Second protective cover; 12. Second servo motor; 13. Screw feeding rod; 14. Feed pipe; 15. Jet mill box body; 16. Screen; 17. Connecting plate; 18. Spring; 19. Vibration motor; 20. Fixed cover; 21. Storage cylinder; 22. Support frame; 23. Intake pipe; 24. Air pump; 25. Branch pipe; 26. Second discharge pipe. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] To further understand the content of the present utility model, the present utility model will be described in detail in conjunction with the accompanying drawings.

[0034] Combined with Figure 1 , an air jet mill device for talcum powder production according to the present utility model includes a bottom plate 1. A support frame 22 is fixedly connected to the bottom of the bottom plate 1. A storage cylinder 21 is fixedly connected to the right side of the top of the bottom plate 1. The left side of the storage cylinder 21 penetrates and is fixedly connected with an intake pipe 23. The outer circle of the intake pipe 23 penetrates and is fixedly connected with an air pump 24. The top of the outer circle of the intake pipe 23 penetrates and is fixedly connected with a branch pipe 25. The support frame 22 enables the device to be away from the ground to avoid moisture. The storage cylinder 21 can store clean gas in advance. The air pump 24 can compress the transmitted gas into high-pressure gas, and the compressed gas can enter the jet mill box body through the intake pipe 23 and the branch pipe 25.

[0035] Combined with Figure 2 and Figure 3, a crushing box 8 runs through and is fixedly connected to the middle of a fixing plate 3. A support rod 2 is fixedly connected to the bottom of the fixing plate 3. A first protective cover 4 is fixedly connected to the left side of the top of the fixing plate 3. A first servo motor 5 is fixedly connected to the inside of the first protective cover 4. A rotating rod 6 is fixedly connected to the output end of the first servo motor 5. A crushing shaft 7 is fixedly connected to the outer circle of the rotating rod 6. A feeding port 9 is fixedly connected to the top of the crushing box 8. A first discharge pipe 10 runs through and is fixedly connected to the bottom of the crushing box 8. The bottom of the first discharge pipe 10 runs through and is fixedly connected to a feeding pipe 14. The bottom of the support rod 2 is fixedly connected to a bottom plate 1. A second protective cover 11 is fixedly connected to the left side of the top of the bottom plate 1. A second servo motor 12 is fixedly connected to the inside of the second protective cover 11. A spiral feeding rod 13 is fixedly connected to the output end of the second servo motor 12. The spiral feeding rod 13 runs through and is rotatably connected to the left side of the feeding pipe 14. The right side of the feeding pipe 14 runs through and is fixedly connected to a jet mill box body 15. First, talc is added to the feeding port 9, and then the first servo motor 5 is controlled to rotate, so as to drive the rotating rod 6 and the crushing shaft 7 fixedly connected to the rotating rod to rotate, so that the crushing shaft 7 crushes large pieces of talc into small pieces of particles. Subsequently, the particles enter the inside of the feeding pipe 14 through the first discharge pipe 10. Then, the second servo motor 12 is started to send the talc particles in the feeding pipe 14 into the inside of the jet mill box body 15, and the feeding amount can also be controlled by the second servo motor 12.

[0036] Combined with Figure 4 , a screen 16 is slidably connected to the inside of the jet mill box body 15. A spring 18 is fixedly connected to the top of the screen 16. A connecting plate 17 is fixedly connected to the top of the spring 18. A fixed cover 20 is fixedly connected to the inside of the jet mill box body 15. A vibration motor 19 is fixedly connected to the inside of the fixed cover 20. The screen 16 is fixedly connected to the output end of the vibration motor 19. The qualified talc powder is screened out through the screen 16. Subsequently, the vibration motor 19 is controlled to vibrate, so that the vibration is transmitted to the screen 16 through the spring 18 and the connecting plate 17, so that the larger talc particles that cannot pass through the screen 16 are bounced up, and further collide and crush with other talc particles by the blowing of the air flow.

[0037] Working principle: When producing talcum powder, first add talc raw materials into the feeding port 9, then control the rotation of the first servo motor 5, which drives the rotating rod 6 and the crushing shaft 7 fixedly connected to the rotating rod to rotate, so that the crushing shaft 7 crushes large pieces of talc raw materials into small particles. Subsequently, the small particles enter the inside of the feeding pipe 14 through the first discharge pipe 10. Then, start the second servo motor 12 to send the talc particles in the feeding pipe 14 into the internal of the jet mill box 15, and the feeding amount can also be controlled by the second servo motor 12. Then, start the air pump 24 to compress the gas inside the storage cylinder 21 and transmit it through the air inlet pipe 23 and the branch pipe 25 to the inside of the jet mill box 15 to start processing the talc raw materials. After processing for a period of time, the qualified talcum powder is screened out through the screen 16. Subsequently, control the vibration motor 19 to vibrate, and transmit the vibration to the screen 16 through the spring 18 and the connecting plate 17, so that the larger talc particles that do not meet the requirements attached to the screen 16 are bounced up, and further collide and crush with other talc particles through the blowing of the air flow, thereby improving the quality of the talcum powder.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A jet mill for producing talcum powder, comprising a fixed plate (3), characterized in that: A crushing box (8) is passed through and fixedly connected in the middle of the fixed plate (3); a support rod (2) is fixedly connected to the bottom of the fixed plate (3); a first protective cover (4) is fixedly connected to the left side of the top of the fixed plate (3); a first servo motor (5) is fixedly connected inside the first protective cover (4); a rotating rod (6) is fixedly connected to the output end of the first servo motor (5); a crushing shaft (7) is fixedly connected to the outer ring of the rotating rod (6); a feeding port (9) is fixedly connected to the top of the crushing box (8); a first discharge pipe (10) is passed through and fixedly connected to the bottom of the crushing box (8); a feeding pipe (14) is passed through and fixedly connected to the bottom of the first discharge pipe (10); The bottom of the support rod (2) is fixedly connected to a bottom plate (1), the top left side of the bottom plate (1) is fixedly connected to a second protective cover (11), the interior of the second protective cover (11) is fixedly connected to a second servo motor (12), the output end of the second servo motor (12) is fixedly connected to a spiral feeding rod (13), the spiral feeding rod (13) penetrates and is rotatably connected to the left side of a feed pipe (14), the right side of the feed pipe (14) penetrates and is fixedly connected to an air flow mill housing (15), the interior of the air flow mill housing (15) is slidably connected to a screen (16), the top of the screen (16) is fixedly connected to a spring (18), and a screening component is arranged inside the air flow mill housing (15).

2. The air jet mill for producing talcum powder according to claim 1, characterized in that: The screening component comprises a connecting plate (17), the connecting plate (17) is fixedly connected to the top of a spring (18), a fixed cover (20) is fixedly connected inside the airflow mill housing (15), a vibration motor (19) is fixedly connected inside the fixed cover (20), and the screen (16) is fixedly connected to the output end of the vibration motor (19).

3. The air jet mill for producing talcum powder according to claim 1, characterized in that: The bottom of the second protective cover (11) is fixedly connected to a bottom plate (1), and the bottom of the bottom plate (1) is fixedly connected to a support frame (22).

4. The air jet mill for producing talcum powder according to claim 3, characterized in that: An air storage cylinder (21) is fixedly connected to the right side of the top of the bottom plate (1).

5. The air jet mill for producing talc according to claim 4, characterized in that: An air intake pipe (23) penetrates and is fixedly connected to the left side of the air storage cylinder (21).

6. The air jet mill for producing talc according to claim 5, characterized in that: An air pump (24) penetrates the outer ring of the air inlet pipe (23) and is fixedly connected thereto.

7. The air jet mill for producing talc according to claim 6, characterized in that: A branch pipe (25) penetrates and is fixedly connected to the top of the outer ring of the air inlet pipe (23), and the branch pipe (25) penetrates and is fixedly connected to the outer ring of the air flow mill housing (15).

8. The air jet mill for producing talc according to claim 1, characterized in that: A second discharge pipe (26) passes through and is fixedly connected to the bottom of the airflow mill housing (15).

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