Jet mill device with uniform finished product granularity
By improving the structural design of the air jet mill, including the coordination of components such as the limiting ring, sealing cover, and storage box, the problem of uneven particle size in the finished product was solved, achieving uniform grinding of particles and temporary storage of unqualified materials, thereby improving particle size uniformity and processing efficiency.
Patent Information
- Application Number
- CN202422832545.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing air jet mills cannot effectively guarantee the uniformity of the finished product particle size, resulting in some particles not colliding sufficiently and affecting particle size uniformity.
By designing the coordination of the lower shell, upper shell, cover plate, discharge pipe, motor, impeller, spiral plate, nozzle, feed pipe, limit ring, sealing cover and storage box, the system achieves efficient material conveying, spraying collision, friction grinding and temporary storage of unqualified materials, ensuring particle size uniformity.
It achieves uniform particle size in the finished product, improves particle collision efficiency and particle size uniformity, and facilitates the subsequent processing of unqualified materials.
Smart Images

Figure CN223517653U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to airflow mill technical field, especially relate to a finished product granularity even airflow mill device. BACKGROUND
[0002] Airflow mill is compressed air through the Laval nozzle acceleration into supersonic airflow after shooting into the crushing area makes material to be flow state (air flow expansion is flow state bed suspension boiling and mutual collision), therefore each particle has the same movement state.
[0003] Because airflow mill is compressed air and uses the movement of the particle itself to complete the collision and form the same particle shape, but this single collision method also causes many particles to not fully form, so the collision task cannot be completed, and a larger stroke is needed to complete the consumption of the particles to achieve uniform particle size.
[0004] Therefore, we provide a finished product granularity even airflow mill device to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a finished product granularity even airflow mill device, through the cooperation of lower casing, upper casing, apron, discharge pipe, motor, impeller, spiral plate, feed pipe, spray head, feed pipe, limit ring, sealing cover and storage box, the airflow mill device in prior art cannot effectively guarantee the problem of finished product granularity even.
[0006] To solve the above technical problems, the utility model is realized through the following technical schemes.
[0007] The utility model discloses a finished product granularity even airflow mill device, including lower casing, feed pipe and spray head, the top of lower casing is connected with upper casing, the top of upper casing is fixedly connected with apron through bolt, the top of apron is connected with discharge pipe, the top of discharge pipe is fixedly connected with motor, the output of motor penetrates to the inner chamber of discharge pipe and is fixedly connected with impeller, the inner chamber of upper casing is fixedly connected with spiral plate, the side of spray head away from feed pipe extends to the inner chamber of lower casing, the side of spray head away from lower casing is connected with feed pipe, the rear side of feed pipe is connected with feed pipe.
[0008] The utility model further sets up, the bottom of motor surface is equipped with the limit ring, and the bottom of limit ring is fixedly connected with apron.
[0009] The utility model further sets up, the bottom of lower casing front side is connected with sealing cover through hinge swing, and the rear side of sealing cover is swingedly connected with storage box.
[0010] The utility model further sets up, the top of the front side of the sealing cover is provided with a through -hole, the right side of sealing cover is fixedly connected with first handle.
[0011] The utility model further sets up, the side of storage box close to lower casing inner wall is movably connected with the inner wall of lower casing, the top of the front side of storage box is fixedly connected with second handle.
[0012] The utility model further sets up, the inner chamber of lower casing is fixedly connected with six fixed blocks, and the opposite side between six fixed blocks is fixedly connected with the protruding plate.
[0013] The utility model further sets up, the junction of lower casing and upper casing is arc.
[0014] The utility model has the advantages of the following.
[0015] 1, the utility model discloses a material is sent to the material pipe through the feed pipe, then the material is sprayed through the height of the spray head through high pressure, and the material sprayed by four spray heads forms a collision, then the output end of motor drives the impeller to rotate, and the impeller moves the material upwards while rotating, then the material will rub with the spiral plate, so that the self is polished into the state of uniform granularity.
[0016] 2, the utility model discloses the setting of the limiting ring, plays the fixed effect of motor, through the setting of sealing cover, plays the sealing effect of lower casing, through the setting of storage box, when part of the imperfect material falls down after spraying, storage box can temporarily store this part of material at this time, is convenient for subsequent processing, through the setting of first handle, the sealing cover is convenient for user to open, through the setting of second handle, storage box is convenient for user to pull out, through the setting of fixed block, the fixed effect of protruding plate is played, through the setting of protruding plate, the clearance between the inner wall of lower casing and the protruding block is left, while the space in the lower casing is not blocked, through the arc of the junction of lower casing and upper casing, the material can be driven by the impeller and ascend more quickly. ACCURACY OF DRAWINGS
[0017] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0018] Figure 1 It is a kind of finished product particle size uniform airflow mill device's perspective view;
[0019] Figure 2 It is a kind of finished product particle size uniform airflow mill device's rear view;
[0020] Figure 3It is a sectional view of a airflow mill device with uniform finished product granularity.
[0021] Figure 4 It is a partial structure top view of a airflow mill device with uniform finished product granularity.
[0022] In the drawings: 1, lower shell; 2, upper shell; 3, cover plate; 4, discharge pipe; 5, motor; 6, impeller; 7, spiral plate; 8, feed pipe; 9, nozzle; 10, feed pipe; 11, limiting ring; 12, sealing cover; 13, storage box; 14, through hole; 15, second handle; 16, first handle; 17, fixed block; 18, protruding plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all.
[0024] Embodiment one
[0025] Please refer to Figures 1-4 The utility model discloses a airflow mill device with uniform finished product granularity, which comprises a lower shell 1, a feed pipe 8 and a nozzle 9. The top of the lower shell 1 is connected with an upper shell 2. The top of the upper shell 2 is fixedly connected with a cover plate 3 through bolts. The top of the cover plate 3 is connected with a discharge pipe 4. The top of the discharge pipe 4 is fixedly connected with a motor 5. The output end of the motor 5 penetrates into the inner cavity of the discharge pipe 4 and is fixedly connected with an impeller 6. The inner cavity of the upper shell 2 is fixedly connected with a spiral plate 7. The side, away from the feed pipe 8, of the nozzle 9 extends into the inner cavity of the lower shell 1. The side, away from the lower shell 1, of the nozzle 9 is connected with the feed pipe 8. The rear side of the feed pipe 8 is connected with a feed pipe 10.
[0026] Specifically, the material is conveyed into the feed pipe 8 through the feed pipe 10, and then the material is sprayed out through the nozzle 9 by high pressure. The materials sprayed out by the four nozzles 9 collide with each other. Then the output end of the motor 5 drives the impeller 6 to rotate. The impeller 6 moves the material upwards while rotating. Then the material rubs against the spiral plate 7, so that the material is polished into a state with uniform granularity.
[0027] Embodiment two
[0028] Please refer to Figures 1-4On the basis of the first embodiment, the bottom of the motor 5 surface is sleeved with a limiting ring 11, the bottom of the limiting ring 11 is fixedly connected with the cover plate 3, the bottom of the front side of the lower shell 1 is hingedly connected with a sealing cover 12, the rear side of the sealing cover 12 is movably connected with a storage box 13, a through hole 14 is formed in the top of the front side of the sealing cover 12, the right side of the sealing cover 12 is fixedly connected with a first handle 16, the side of the storage box 13 close to the inner wall of the lower shell 1 is movably connected with the inner wall of the lower shell 1, the top of the front side of the storage box 13 is fixedly connected with a second handle 15, the inner cavity of the lower shell 1 is fixedly connected with six fixing blocks 17, the opposite sides of the six fixing blocks 17 are fixedly connected with a convex plate 18, and the connecting part of the lower shell 1 and the upper shell 2 is arc-shaped.
[0029] Specifically, the limiting ring 11 is arranged to fix the motor 5, the sealing cover 12 is arranged to seal the lower shell 1, the storage box 13 is arranged to temporarily store the part of the imperfect material falling downward after being sprayed, the first handle 16 is arranged to facilitate the user to open the sealing cover 12, the second handle 15 is arranged to facilitate the user to pull out the storage box 13, the fixing blocks 17 are arranged to fix the convex plate 18, the convex plate 18 is arranged to leave a gap between the convex plate 18 and the inner wall of the lower shell 1, so that the material can fall into the storage box 13 without blocking the space in the lower shell 1, and the arc-shaped connecting part of the lower shell 1 and the upper shell 2 enables the material to rise more quickly under the driving of the impeller 6.
[0030] The working principle of the utility model is as follows: the material is conveyed into the material conveying pipe 8 through the feeding pipe 10, then the material is sprayed out through the spray head 9 under high pressure, the materials sprayed out by the four spray heads 9 collide, then the output end of the motor 5 drives the impeller 6 to rotate, the impeller 6 moves upward while rotating, then the material rubs against the spiral plate 7, so that the material is ground into a state of uniform granularity.
[0031] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and drawings. The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art. The mechanical parts and equipment adopt conventional types in the prior art. The control mode is automatically controlled through a control unit. The control circuit of the control unit can be realized through simple programming by the skilled person in the art, which belongs to the common knowledge in the field. Therefore, the control mode and circuit connection are not explained in detail.
[0032] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode described, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model.
Claims
1. A product with uniform particle size airflow mill device, comprising a lower shell (1), a material conveying pipe (8) and a nozzle (9), characterized in that: The top of the lower shell (1) is communicated with the upper shell (2), the top of the upper shell (2) is fixedly connected with the cover plate (3) through the bolt, the top of the cover plate (3) is communicated with the discharge pipe (4), the top of the discharge pipe (4) is fixedly connected with the motor (5), the output end of the motor (5) penetrates into the inner cavity of the discharge pipe (4) and is fixedly connected with the impeller (6), the inner cavity of the upper shell (2) is fixedly connected with the spiral plate (7), the nozzle (9) extends to the inner cavity of the lower shell (1) away from the feeding pipe (8), the side of the nozzle (9) away from the lower shell (1) is communicated with the feeding pipe (8), and the rear side of the feeding pipe (8) is communicated with the feeding pipe (10).
2. A finished product particle size uniformity airflow mill device according to claim 1, characterized by: The bottom surface of the motor (5) is sleeved with the limiting ring (11), and the bottom of the limiting ring (11) is fixedly connected with the cover plate (3).
3. The finished product particle size uniformity airflow mill device of claim 1, wherein: The bottom of the front side of the lower shell (1) is movably connected with the sealing cover (12) through the hinge, and the rear side of the sealing cover (12) is movably connected with the storage box (13).
4. A finished product particle size uniformity airflow mill device according to claim 3, characterized by: The top of the front side of the sealing cover (12) is provided with the through hole (14), and the right side of the sealing cover (12) is fixedly connected with the first handle (16).
5. A finished product particle size uniformity airflow mill device as defined in claim 3, wherein: The side of the storage box (13) close to the inner wall of the lower shell (1) is movably connected with the inner wall of the lower shell (1), and the top of the front side of the storage box (13) is fixedly connected with the second handle (15).
6. A finished product particle size uniformity airflow mill device as defined in claim 1, wherein: The inner cavity of the lower shell (1) is fixedly connected with six fixed blocks (17), and the opposite sides of the six fixed blocks (17) are fixedly connected with the convex plate (18).
7. The finished product particle size uniformity airflow mill device of claim 1, wherein: The connection between the lower shell (1) and the upper shell (2) is arc-shaped.