Air jet mill uniform feed device

Abstract

This utility model relates to the field of air jet mill feeding technology, and discloses an air jet mill uniform feeding device, including a storage bin. A funnel is fixedly connected to the bottom of the storage bin, and a discharge pipe for connecting to the air jet mill is fixedly connected to the bottom of the funnel. A top plate is fixedly connected to the left side of the top of the storage bin. A driving component is installed on the top of the top plate through a fixing frame. A feeding assembly is provided on the inner wall of the right side of the top plate. A dust collection box is connected to the inner wall of the left side of the top plate through an air suction assembly. The left end of the dust collection box is connected to a connecting frame through a baffle. The connecting frame is set on the inner wall of the dust collection box through a sliding tenon. In this utility model, a motor drives a rotating rod to rotate, causing the stirring blade to stir the material to prevent agglomeration. The spiral blade rotates in the discharge pipe to push the material forward, effectively avoiding blockage at the discharge pipe. An air pump generates suction, and the generated dust is sucked into the dust collection box through a guide hood. A filter plate intercepts the dust, and the filtered airflow flows out from the air outlet.

Description

Technical Field

[0001] This utility model relates to the field of air jet mill feeding technology, and in particular to an air jet mill uniform feeding device. Background Technology

[0002] Air jet mills, as highly efficient ultrafine pulverizing equipment, are widely used in numerous fields such as chemical, pharmaceutical, food, and mineral processing. In the chemical industry, they can be used to pulverize pigments, plastic raw materials, etc., improving product performance; in the pharmaceutical field, they can ultrafinely pulverize drug raw materials, improving drug solubility and bioavailability; in the food industry, they help improve the taste and quality of food. In these applications, stable and uniform feeding plays a crucial role in the efficient operation of air jet mills and the quality of products.

[0003] In existing air classifier mill feeding devices, some feeding devices simply rely on gravity to allow materials to enter the mill, which easily leads to material accumulation at the inlet and unstable feeding speed. Moreover, during storage and transportation, materials may clump or agglomerate due to their own characteristics or environmental factors, further hindering smooth feeding. This results in inconsistent material quantities entering the air classifier mill, making it difficult to guarantee stable production efficiency and consistent product quality. To address this technical problem, this application proposes a uniform feeding device for air classifier mills. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a uniform feeding device for an airflow mill. The device uses a motor to drive a rotating rod to rotate, which in turn causes the stirring blades to agitate the material and prevent agglomeration. The spiral blades rotate inside the discharge pipe to propel the material forward, effectively preventing blockage at the discharge pipe. An air pump generates suction, which draws the generated dust into the dust collection box through a guide hood. The filter plate intercepts the dust, and the filtered airflow flows out from the air outlet.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A uniform feeding device for an air classifier mill includes a storage silo, a funnel fixedly connected to the bottom of the storage silo, a discharge pipe fixedly connected to the bottom of the funnel for connection with the air classifier mill, a top plate fixedly connected to the left side of the top of the storage silo, a driving component mounted on the top of the top of the top plate via a fixing frame, a feeding assembly provided on the inner wall of the right side of the top plate, and a dust collection box connected to the inner wall of the left side of the top plate via an air suction assembly. The left end of the dust collection box is connected to a connecting frame via a baffle, the connecting frame is mounted on the inner wall of the dust collection box via a sliding tenon, a filter plate is fixedly connected to the inner circumference of the connecting frame, a pull ring is fixedly connected to the left end of the connecting frame, and an air outlet slot is fixedly connected to the bottom side of the left end of the dust collection box.

[0007] Furthermore, the feeding assembly includes a rotating rod located on the inner wall of the right side of the top plate, three stirring blades are fixedly connected to the top side of the outer wall of the rotating rod, and a spiral blade is fixedly connected to the bottom side of the outer wall of the rotating rod. The spiral blade is rotatably connected to the inner wall of the discharge pipe.

[0008] Furthermore, a cross is fixedly connected to the bottom side of the inner wall of the discharge pipe, and the rotating rod is rotatably connected to the inner wall of the cross.

[0009] Furthermore, a motor is mounted on the top of the top plate via a fixing frame, and the drive end of the motor is fixedly connected to the top of the rotating rod.

[0010] Furthermore, the air intake assembly includes a connecting pipe located on the inner wall of the left side of the top plate with a flow guide fixedly connected to its bottom end. The flow guide is located at the bottom end of the top plate. An air pump is fixedly connected to the left end of the connecting pipe and is fixedly connected to the top end of the top plate. A second connecting pipe is fixedly connected to the left end of the connecting pipe and is fixedly connected to the top end of the dust collection box.

[0011] Furthermore, a baffle is connected to the left end of the ash collection box via a damping shaft, and the baffle is located at the left end of the connecting frame.

[0012] Furthermore, both ends of the connecting frame are fixedly connected with sliding tenons, and both sliding tenons are set on the inner wall of the ash collection box.

[0013] Furthermore, a top cover is rotatably connected to the right end of the top plate, the top cover is located at the top of the storage bin, and a handle is fixedly connected to the top of the top cover.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, the rotating rod is driven by a motor to rotate, so that the stirring blades stir the material to prevent agglomeration. The spiral blades rotate in the discharge pipe to push the material forward, which effectively avoids the material from being blocked at the discharge pipe and ensures that the material can enter the air jet mill device evenly, thus ensuring the uniformity of the feed and facilitating the stable and efficient operation of the air jet mill.

[0016] 2. In this utility model, during the process of material being fed into the storage silo, the air pump generates suction, which draws the generated dust into the dust collection box through the guide hood. The filter plate intercepts the dust, and the filtered airflow flows out from the air outlet slot, reducing the spread of dust in the working environment, achieving a good dust suppression effect, improving the working environment, and reducing the harm of dust to equipment and operators. Attached Figure Description

[0017] Figure 1 This is a perspective view of a uniform feeding device for an airflow mill proposed in this utility model;

[0018] Figure 2This is a schematic diagram of the guide shroud structure of a uniform feeding device for an airflow mill proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the filter plate structure of a uniform feeding device for an airflow mill proposed in this utility model.

[0020] Legend:

[0021] 1. Storage bin; 2. Funnel; 3. Discharge pipe; 4. Top plate; 5. Motor; 6. Rotating rod; 7. Agitator blade; 8. Cross-shaped blade; 9. Spiral blade; 10. Connecting pipe one; 11. Flow guide; 12. Air pump; 13. Connecting pipe two; 14. Ash collection box; 15. Air outlet duct; 16. Baffle; 17. Sliding tenon; 18. Connecting frame; 19. Pull ring; 20. Filter plate; 21. Top cover; 22. Handle. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1-3 An embodiment of this utility model provides a uniform feeding device for an air jet mill, including a storage bin 1, a funnel 2 fixedly connected to the bottom of the storage bin 1, a discharge pipe 3 for connecting to the air jet mill fixedly connected to the bottom of the funnel 2, a top plate 4 fixedly connected to the top left of the storage bin 1, a driving component mounted on the top of the top of the top plate 4 via a fixed frame, a rotating rod 6, a stirring blade 7 and a spiral blade 9 provided on the inner wall of the right side of the top plate 4, a dust collection box 14 connected to the inner wall of the left side of the top plate 4 via a connecting pipe 10, an air pump 12 and a connecting pipe 2 13, a baffle 16 connected to a connecting frame 18 at the left end of the dust collection box 14, a sliding tenon 17 set on the inner wall of the dust collection box 14, a filter plate 20 fixedly connected to the inner circumference of the connecting frame 18, a pull ring 19 fixedly connected to the left end of the connecting frame 18, and an air outlet slot 15 fixedly connected to the bottom side of the left end of the dust collection box 14.

[0024] Specifically, after the material enters the storage silo 1, the stirring blades 7 begin to function. As the rotating rod 6 rotates, the stirring blades 7 continuously agitate the material, effectively preventing clumping or agglomeration during the feeding process. As the material continues to fall, when it reaches the discharge pipe 3, the spiral blades 9 begin to function. The spiral blades 9 are rotatably connected to the inner wall of the discharge pipe 3, and the thrust generated by their rotation propels the material forward along the discharge pipe 3, ultimately ensuring that the material enters the connected air jet mill evenly. Throughout the entire material feeding process, [the process is as follows:] to... To reduce the impact of dust on the working environment and equipment, the air pump 12 needs to be started. The air pump 12 is fixed at the top of the top plate 4. After it is started, it generates suction. The dust sucked in enters the dust collection box 14 through the connecting pipe 10 and the connecting pipe 2 13. The dust collection box 14 is equipped with a connecting frame 18. The filter plate 20 is fixedly connected to the inner circumference of the connecting frame 18. After the dust enters the dust collection box 14, it is intercepted by the filter plate 20 and remains on the filter plate 20. The airflow filtered by the filter plate 20 will flow out through the air outlet slot 15 on the bottom left side of the dust collection box 14.

[0025] Reference Figures 1-3 The rotating rod 6 is located on the inner wall of the right side of the top plate 4. Three stirring blades 7 are fixedly connected to the top side of the outer wall of the rotating rod 6, and a spiral blade 9 is fixedly connected to the bottom side of the outer wall of the rotating rod 6. The spiral blade 9 is rotatably connected to the inner wall of the discharge pipe 3. A cross 8 is fixedly connected to the bottom side of the inner wall of the discharge pipe 3, and the rotating rod 6 is rotatably connected to the inner wall of the cross 8. A motor 5 is installed at the top of the top plate 4 through a fixing bracket. The drive end of the motor 5 is fixedly connected to the top of the rotating rod 6. A flow guide shroud 11 is fixedly connected to the bottom end of the connecting pipe 10 located on the inner wall of the left side of the top plate 4. The flow guide shroud 11 is located at the bottom end of the top plate 4. An air pump 12 is fixedly connected to the left end of the top plate 4. The air pump 12 is fixedly connected to the top of the top plate 4. A connecting pipe 13 is fixedly connected to the left end of the connecting pipe 10. The connecting pipe 13 is fixedly connected to the top of the ash collection box 14. A baffle 16 is connected to the left end of the ash collection box 14 through a damping shaft. The baffle 16 is located at the left end of the connecting frame 18. Sliding tenons 17 are fixedly connected to both the front and rear ends of the connecting frame 18. Both sliding tenons 17 are located on the inner wall of the ash collection box 14. A top cover 21 is rotatably connected to the right end of the top plate 4. The top cover 21 is located at the top of the storage bin 1. A handle 22 is fixedly connected to the top of the top cover 21.

[0026] Specifically, starting motor 5 generates power that drives rotating rod 6 to rotate. Simultaneously, the stirring blade 7 on the top side and the spiral blade 9 on the bottom side of its outer wall also rotate. One end of connecting pipe 10 is connected to air pump 12, and the other end is connected to guide shroud 11. Guide shroud 11 is located at the bottom of top plate 4. The suction force generated by air pump 12 is transmitted to guide shroud 11 through connecting pipe 10. Guide shroud 11 sucks in dust generated during the process of material being fed into storage silo 1. Rotating baffle 16, which is connected to the left end of dust collection box 14 via a damping shaft, cancels... The connecting frame 18 is limited by sliding tenons 17 fixedly connected to both the front and rear ends of the connecting frame 18. The sliding tenons 17 are set on the inner wall of the dust collection box 14. By pulling the pull ring 19 at the left end of the connecting frame 18, the connecting frame 18 can be pulled out from the dust collection box 14 through the sliding tenons 17, thereby cleaning the dust on the filter plate 20. The top cover 21 covers the top of the storage bin 1 to prevent the inside from being contaminated by the outside when the device is idle, and can be opened when feeding to facilitate the feeding of materials. The handle 22 is fixed to the top of the top cover 21 to facilitate the operator to open and close the top cover 21.

[0027] Working principle: First, start motor 5 to drive rotating rod 6 to rotate. Rotating rod 6 drives stirring blade 7 to rotate, and simultaneously drives spiral blade 9 to rotate. Then, hold handle 22 to open top cover 21 and put material into storage hopper 1. When the material enters storage hopper 1, the stirring blade 7 can stir the material to prevent it from clumping or agglomerating during the feeding process and blocking the discharge pipe 3. When the material reaches discharge pipe 3, the rotation of spiral blade 9 can push the material forward, thus making the material evenly enter the air jet mill. During the material feeding process, the air pump 12 is started, which generates suction to draw the dust generated during the material feeding into the storage bin 1 into the dust collection box 14 through the guide hood 11. After the dust enters the dust collection box 14, it is intercepted by the filter plate 20 and retained on the filter plate 20. The filtered airflow then flows out through the air outlet 15. After the material is conveyed, the baffle 16 is rotated to remove the limit on the connecting frame 18. Then, the pull ring 19 is pulled to remove the connecting frame 18 through the sliding tenon 17 to clean the dust on the filter plate 20.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A uniform feeding device for an air jet mill, characterized in that: The device includes a storage bin (1), a funnel (2) fixedly connected to the bottom of the storage bin (1), a discharge pipe (3) for connecting to the air jet mill fixedly connected to the bottom of the funnel (2), a top plate (4) fixedly connected to the left side of the top of the storage bin (1), a drive component installed on the top of the top of the top plate (4) via a fixed frame, a feeding assembly provided on the right inner wall of the top plate (4), a dust collection box (14) connected to the left inner wall of the top plate (4) via an air suction assembly, a connecting frame (18) connected to the left end of the dust collection box (14) via a baffle (16), a connecting frame (18) set on the inner wall of the dust collection box (14) via a sliding tenon (17), a filter plate (20) fixedly connected to the inner circumference of the connecting frame (18), a pull ring (19) fixedly connected to the left end of the connecting frame (18), and an air outlet slot (15) fixedly connected to the bottom side of the left end of the dust collection box (14).

2. The uniform feeding device for an air jet mill according to claim 1, characterized in that: The feeding assembly includes a rotating rod (6) located on the inner wall of the right side of the top plate (4). Three stirring blades (7) are fixedly connected to the top side of the outer wall of the rotating rod (6), and a spiral blade (9) is fixedly connected to the bottom side of the outer wall of the rotating rod (6). The spiral blade (9) is rotatably connected to the inner wall of the discharge pipe (3).

3. The uniform feeding device for an air jet mill according to claim 2, characterized in that: A cross (8) is fixedly connected to the bottom side of the inner wall of the discharge pipe (3), and the rotating rod (6) is rotatably connected to the inner wall of the cross (8).

4. The uniform feeding device for an air jet mill according to claim 1, characterized in that: A motor (5) is mounted on the top of the top plate (4) via a fixing frame, and the drive end of the motor (5) is fixedly connected to the top of the rotating rod (6).

5. The uniform feeding device for an air jet mill according to claim 1, characterized in that: The air intake assembly includes a connecting pipe (10) located on the inner wall of the left side of the top plate (4) with a flow guide (11) fixedly connected to the bottom end. The flow guide (11) is located at the bottom end of the top plate (4). An air pump (12) is fixedly connected to the left end of the connecting pipe (10). The air pump (12) is fixedly connected to the top end of the top plate (4). A connecting pipe (13) is fixedly connected to the left end of the connecting pipe (10). The connecting pipe (13) is fixedly connected to the top end of the dust collection box (14).

6. The uniform feeding device for an air jet mill according to claim 1, characterized in that: The left end of the ash collection box (14) is connected to a baffle (16) via a damping shaft, and the baffle (16) is located at the left end of the connecting frame (18).

7. The uniform feeding device for an air jet mill according to claim 1, characterized in that: The connecting frame (18) is fixedly connected to sliding tenons (17) at both the front and rear ends, and both sliding tenons (17) are set on the inner wall of the ash collection box (14).

8. The uniform feeding device for an air jet mill according to claim 1, characterized in that: The top plate (4) is rotatably connected to a top cover (21) at the right end. The top cover (21) is located at the top of the storage bin (1), and a handle (22) is fixedly connected to the top of the top cover (21).

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