Dustproof cover structure for jet mill
By designing a dustproof cover structure for airflow crusher, the problem of poor dustproof effect in the prior art is solved, and more efficient dust collection and waste reduction effect is achieved.
Patent Information
- Application Number
- CN202421384776.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The dustproof effect of existing airflow crushers is poor, which leads to dust leakage and affects the environment. When there is too much dust gas, it will fly upward, affecting the material collection effect and causing waste.
A dustproof cover structure for airflow crusher is designed, including a collection box and a dustproof cover. The dustproof cover is equipped with a screw, a transmission block, ash sweeping brush, a slider and a slider. The screw rod and a transmission block are rotated by the handle to move, and the dust sweeping brush removes dust from the bottom of the annular sealing block and the top of the baffle. The dust gas enters the collection box through the spring and inclined plate, and excessive dust gas enters the dust box through the inclined plate and the baffle for collection.
Effectively prevent dust leakage, enhance the collection efficiency of dust in the collection box, reduce dust waste, and facilitate cleaning through the design of ash brush.
Smart Images

Figure CN222829795U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust cover of air flow pulverizer, in particular to a dust cover structure used for air flow pulverizer. Background Art
[0002] Airflow pulverizer is a commonly used pulverizing equipment. Its main function is to crush materials into fine powder. It uses high-speed airflow as the power. Through the interaction between airflow and materials, the materials move at high speed in the airflow, collide and rub against each other, thereby achieving the purpose of crushing. When the airflow pulverizer is unloading materials, the dust cover will enter the sealed shield to prevent dust from entering the air.
[0003] In the prior art, general air flow mills have simple dustproof devices at the connection with the collection box, which do not have a good dustproof effect, causing dust to leak out and affect the external environment. When there is too much dust gas in the collection box, it will fly upward, affecting the material collection effect and causing certain waste. Utility Model Content
[0004] The purpose of the utility model is to provide a dust cover structure for a jet mill to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust cover structure for an air flow pulverizer, comprising a collecting box and a dust cover, the top of the collecting box is provided with an opening, and the opening at the top of the collecting box is provided with a dust cover, a screw rod is provided on one side of the top end of the dust cover, and a transmission block is provided on the screw rod, a sliding rod is provided at a position parallel to the screw rod on the other side of the dust cover, and a slider is provided at a position of the sliding rod corresponding to the transmission block, two dust sweeping brushes are provided at the top of the slider and the transmission block, and a dust sweeping brush is provided at the bottom of the slider and the transmission block, a rotating shaft is fixedly connected to the position of the screw rod on one side of the dust cover corresponding to the screw rod through a bearing, and the rotating shaft in the dust cover is connected to the screw rod, and a handle is provided on the rotating shaft outside the dust cover.
[0006] Preferably, connecting blocks are provided on both side walls of the inner side of the dust cover, and the connecting blocks on the inner side walls of the dust cover are fixedly connected to inclined plates via rotating shafts.
[0007] Preferably, a spring is provided at the bottom of each inclined plate, and the other end of each spring is connected to the inner wall of the dust cover.
[0008] Preferably, a baffle is provided on one side of the dust cover, and an opening is provided on the inner wall of the dust cover at the bottom of the baffle.
[0009] Preferably, a dust box is provided at a position corresponding to the opening on one side of the dust cover, and a motor is provided at the bottom of the other side of the dust box.
[0010] Preferably, the output end of the motor passes through the dust box and is fixedly connected with a second screw rod, and a second transmission block is provided on the second screw rod, and a dust pushing plate is provided on the second transmission block.
[0011] Preferably, a feed pipe is provided on the top of the dust cover, and one end of the feed pipe extends into the dust cover, and annular sealing blocks are provided on the inner side of the dust cover on both sides of the feed pipe.
[0012] Preferably, a visual window is provided on one side of the dust cover, an opening is provided at the bottom of the dust cover, and a sealing ring is provided at the opening at the bottom of the dust cover.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the dust cover structure for the air flow pulverizer, by turning the handle, drives the transmission block 1 on the screw rod 1 to move, and the transmission block 1 drives the dust sweeping brush 1 and the dust sweeping brush 2 to move together, so that the dust sweeping brush 1 and the dust sweeping brush 2 can be stably moved through the action of the transmission block 1 and the slider on the screw rod 1, so that the dust attached to the bottom of the annular sealing block and the dust on the top of the baffle can be removed, which is convenient for cleaning, and then when the dust enters the collection box, the dust gas smoothly enters the collection box through the action of the spring and the inclined plate, and when there is too much dust gas in the collection box, it floats upward, and can be blocked by the inclined plate to a certain extent, and then blocked by the baffle, so that it enters the dust box for collection, reducing the waste of dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the dust cover and dust box of the utility model from top view;
[0017] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;
[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the dust box of the utility model from top view;
[0019] In the figure: 1. collecting box; 2. handle; 3. feeding pipe; 4. dust cover; 5. spring; 6. baffle; 7. ash pusher plate; 8. annular sealing block; 9. inclined plate; 10. sealing ring; 11. dust box; 12. motor; 13. slider; 14. slide rod; 15. screw rod 1; 16. transmission block 1; 17. ash sweeping brush 1; 18. ash sweeping brush 2; 19. screw rod 2; 20. transmission block 2. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-5 The utility model provides an embodiment: a dust cover structure for an air flow pulverizer, comprising a collection box 1 and a dust cover 4, the top of the collection box 1 is provided with an opening, and the dust cover 4 is provided at the opening of the top of the collection box 1, a screw rod 15 is provided on one side of the top of the dust cover 4, and a transmission block 16 is provided on the screw rod 15, a slide bar 14 is provided at the other side of the dust cover 4 parallel to the screw rod 15, and a slider 13 is provided at the position of the slide bar 14 corresponding to the transmission block 16, a dust sweeping brush 18 is provided on the top of the slider 13 and the transmission block 16, and a dust sweeping brush 17 is provided at the bottom of the slider 13 and the transmission block 16. , a rotating shaft is fixedly connected to the position of the screw rod 15 on one side of the dust cover 4 through a bearing, and the rotating shaft in the dust cover 4 is connected to the screw rod 15, and a handle 2 is provided on the rotating shaft outside the dust cover 4, so that the staff turns the handle 2, so that the handle 2 drives the transmission block 16 on the screw rod 15 to move, and the transmission block 16 drives the dust sweeping brush 17 and the dust sweeping brush 2 18 to move together, so that the dust sweeping brush 17 and the dust sweeping brush 2 18 can be stably moved through the action of the transmission block 16 and the slider 13 on the screw rod 15 and the slide bar 14, and the dust attached to the bottom of the annular sealing block 8 and the dust on the top of the baffle 6 can be removed, which is convenient for cleaning;
[0022] Both side walls of the dust cover 4 are provided with connecting blocks, and the connecting blocks of the inner side walls of the dust cover 4 are fixedly connected with inclined plates 9 through rotating shafts. The bottom of the inclined plates 9 are provided with springs 5, and the other ends of the springs 5 are connected to the inner walls of the dust cover 4, so that when the dust gas in the dust cover 4 is discharged downward, the dust gas can smoothly enter the collection box 1 through the action of the springs 5 and the inclined plates 9. When there is too much dust gas in the collection box 1, it will float upward, and the action of the inclined plates 9 can prevent some dust gas from floating upward.
[0023] A baffle 6 is provided on one side of the dust cover 4, and an opening is provided on the inner wall of the dust cover 4 at the bottom of the baffle 6. A dust box 11 is provided at a position corresponding to the opening on one side of the dust cover 4, and a motor 12 is provided at the bottom of the other side of the dust box 11. The output end of the motor 12 passes through the dust box 11 and is fixedly connected with a screw rod 19, and a transmission block 20 is provided on the screw rod 19, and an ash pusher 7 is provided on the transmission block 20, so that the dust gas is blocked by the baffle 6 when it floats up, and then the dust gas enters the dust box 11. When a certain amount of dust is accumulated, the motor 12 is started to drive the transmission block 20 on the screw rod 19 to move, and the transmission block 20 drives the ash pusher 7 to move to push out the dust entering the dust box 11, thereby reducing waste.
[0024] A discharge pipe 3 is provided on the top of the dust cover 4, and one end of the discharge pipe 3 extends into the dust cover 4, and annular sealing blocks 8 are provided on the inner side of the dust cover 4 on both sides of the discharge pipe 3, a visual window is provided on one side of the dust cover 4, and an opening is provided at the bottom of the dust cover 4, and a sealing ring 10 is provided at the opening at the bottom of the dust cover 4, so that the dust cover 4 can seal the gap of the discharge pipe 3 through the annular sealing block 8, and then the connection between the dust cover 4 and the collection box 1 is sealed through the sealing ring 10 to prevent dust leakage.
[0025] When the embodiment of the present application is in use, the gap at the connection of the feeding pipe 3 is sealed by the annular sealing block 8 in the dust cover 4, and then the connection between the dust cover 4 and the collecting box 1 is sealed by the sealing ring 10 to prevent dust leakage and enhance protection. When the device is in use, the dust gas in the feeding pipe 3 enters the collecting box 1 through the dust cover 4, so that the dust gas can smoothly enter the collecting box 1 when it moves downward through the action of the spring 5 and the inclined plate 9. When there is too much dust gas in the collecting box 1, it will float upward, and the action of the inclined plate 9 can stop some of the dust gas from floating up, and then the dust gas can be blocked by the action of the baffle 6, so that the dust gas enters the dust box 11. When it accumulates After a certain amount of dust is detected, the motor 12 is started to drive the transmission block 20 on the screw rod 19 to move, and the transmission block 20 drives the ash pushing plate 7 to move to push out the dust entering the dust box 11, thereby reducing waste. When the device is in use, the internal situation can be observed through the visual window, and the handle 2 can be rotated to make the handle 2 drive the transmission block 16 on the screw rod 15 to move, and the transmission block 16 drives the ash sweeping brush 17 and the ash sweeping brush 2 18 to move together, so that the ash sweeping brush 17 and the ash sweeping brush 2 18 can be stably moved through the action of the transmission block 16 and the slider 13 on the screw rod 15 and the slide bar 14, so that the dust attached to the bottom of the annular sealing block 8 and the dust on the top of the baffle 6 can be removed, which is convenient for cleaning.
[0026] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
Claims
1. A dust cover structure for a jet mill, characterized in that: The invention comprises a collection box (1) and a dust cover (4), wherein the top of the collection box (1) is provided with an opening, and the dust cover (4) is provided at the opening of the top of the collection box (1), a screw rod (15) is provided on one side of the top of the dust cover (4), and a transmission block (16) is provided on the screw rod (15), and a sliding rod (14) is provided on the other side of the dust cover (4) at a position parallel to the screw rod (15), and the sliding rod (14) corresponds to the transmission block (16). A slider (13) is provided at the position of the slider (13), a dust sweeping brush 2 (18) is provided at the top of the slider (13) and the transmission block 1 (16), and a dust sweeping brush 1 (17) is provided at the bottom of the slider (13) and the transmission block 1 (16), a rotating shaft is fixedly connected to the position of the screw rod 1 (15) on one side of the dust cover (4) via a bearing, and the rotating shaft in the dust cover (4) is connected to the screw rod 1 (15), and a handle (2) is provided on the rotating shaft outside the dust cover (4).
2. A dust cover structure for a jet mill according to claim 1, characterized in that: Both inner side walls of the dust cover (4) are provided with connection blocks, and the connection blocks on the inner side walls of the dust cover (4) are fixedly connected to inclined plates (9) via rotating shafts.
3. A dust cover structure for a jet mill according to claim 2, characterized in that: A spring (5) is provided at the bottom of each inclined plate (9), and the other end of each spring (5) is connected to the inner wall of the dust cover (4).
4. The dust cover structure for a jet mill according to claim 1, characterized in that: A baffle (6) is provided on one side of the dust cover (4), and an opening is provided on the inner wall of the dust cover (4) at the bottom of the baffle (6).
5. The dust cover structure for a jet mill according to claim 1, characterized in that: A dust box (11) is provided at a position corresponding to the opening on one side of the dust cover (4), and a motor (12) is provided at the bottom of the other side of the dust box (11).
6. A dust cover structure for a jet mill according to claim 5, characterized in that: The output end of the motor (12) passes through the dust box (11) and is fixedly connected to a second screw rod (19), and a second transmission block (20) is provided on the second screw rod (19), and an ash pushing plate (7) is provided on the second transmission block (20).
7. The dust cover structure for a jet mill according to claim 1, characterized in that: A feed pipe (3) is provided at the top of the dust cover (4), and one end of the feed pipe (3) extends into the dust cover (4), and annular sealing blocks (8) are provided on the inner side of the dust cover (4) on both sides of the feed pipe (3).
8. The dust cover structure for a jet mill according to claim 1, characterized in that: A visual window is provided on one side of the dust cover (4), an opening is provided at the bottom of the dust cover (4), and a sealing ring (10) is provided at the bottom opening of the dust cover (4).