Graded flat jet mill
By introducing a staged flat air jet mill design into the air jet mill, and by adjusting the discharge hole using the combination of a turntable and baffles, the problem of uneven particle size distribution in the existing technology is solved, and precise particle size control and improved classification efficiency are achieved.
Patent Information
- Application Number
- CN202520202051.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing grading mechanisms are difficult to adjust flexibly, resulting in uneven particle size distribution of products, which cannot meet the particle size requirements of different application fields.
A classifying flat airflow mill was designed, comprising a classifying hopper, a disc, a chute, a slider, a column, a baffle, a turntable, and a rotating handle. The position of the baffle is controlled by adjusting the direction of the turntable, thereby adjusting the size of the discharge hole to achieve the classification of materials of different particle sizes.
It achieves precise control over product particle size and improves grading efficiency, and can be flexibly adjusted according to the crushing requirements of different materials to ensure product particle size uniformity.
Smart Images
Figure CN223875186U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to airflow mill device technical field, concretely relates to the flat airflow mill of grading. BACKGROUND
[0002] The flat airflow mill device is a kind of equipment using airflow to grind material, commonly used in fine crushing, ultrafine crushing and grading process etc.Different from traditional mechanical mill, airflow mill mainly accelerates material by high-pressure airflow, and grinds and crushes it in flow.This equipment is widely used in chemical industry, pharmacy, food industry etc., especially suitable for processing fragile, heat-sensitive or high-purity materials.
[0003] The main function of the grading device of common airflow mill equipment is to separate fine powder from coarse powder according to particle size requirement, but the existing grading mechanism is difficult to adjust flexibly, and cannot accurately grade fine particle size and coarse particle size according to different materials or production requirements, so that it will lead to uneven product particle size distribution, and cannot meet the requirements of different application fields on particle size. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing flat airflow mill of grading, can realize the accurate control to product particle size, can also improve grading efficiency, and adapt to the crushing demand of different materials.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] Flat airflow mill of grading, including airflow mill equipment, catcher and gas material outlet, the catcher is connected to the top of airflow mill equipment, the gas material outlet is opened in the top of catcher, the inside of catcher is provided with grading mechanism;The grading mechanism includes grading hopper, discharge port, disc, chute, sliding block, stand, baffle, rotary disc and rotary disc, the grading hopper is installed on the inner wall of catcher, the discharge port is opened in the top of grading hopper, the disc is fixedly connected to the inner wall of catcher and located at the top of grading hopper, the center of disc is provided with the hole consistent with discharge port, two chutes are opened in the top of disc, two sliding blocks are slidably connected in the inside of two chutes, two stands are fixedly connected on the top of two sliding blocks, two baffles are fixedly sleeved on the surface of two stands, two baffles are arranged on the top of disc and located on the top of hole, the rotary disc is rotatably connected on the top of disc, two rotary discs are opened in the top of rotary disc, and two stands are slidably connected in the inside of two rotary discs.
[0007] Preferably, the surface of the rotary disc is provided with a tooth groove, the top of the disc is fixedly connected with a vertical plate, the inner side of the vertical plate is fixedly connected with a spring, the other end of the spring is connected with a limiting column, and the limiting column is clamped in the inside of the tooth groove.
[0008] Preferably, the inside of the spring is provided with a limiting rod, one end of the limiting rod is fixedly connected to the outside of the limiting column, and the other end of the limiting rod penetrates through the vertical plate and is slidingly connected to the inside of the vertical plate.
[0009] Preferably, the surfaces of the two columns are both provided with limiting rings, and the limiting rings are located at the top of the rotating disc.
[0010] Preferably, the rotating handle is fixedly connected to the top of the rotating disc, and the rotating handle is in a cylindrical shape.
[0011] Preferably, the grading hopper is in a funnel shape, and the grading hopper is installed upside down on the inner wall of the catcher.
[0012] The utility model discloses the technical effects achieved are as follows:
[0013] According to the cooperation of the adjusting mechanism, the gas material passing through the catcher can be classified and processed, and by classifying the gas material, different granularity materials can be effectively separated, the oversized or undersized particles can be removed, the granularity of the final product is more uniform, and by adjusting the classification mechanism, different granularity requirements can be flexibly adjusted, and the standards of specific industries and applications can be met. DRAWINGS
[0014] Figure 1 It is the overall structure of the utility model three-dimensional schematic diagram;
[0015] Figure 2 It is the utility model Figure 1 A enlarged three-dimensional schematic diagram in the utility model;
[0016] Figure 3 It is the utility model rotating disc and disc split connection three-dimensional schematic diagram;
[0017] Figure 4 It is the utility model grading hopper and catcher split connection three-dimensional schematic diagram;
[0018] Figure 5 It is the utility model limiting rod and vertical plate sliding connection three-dimensional schematic diagram.
[0019] In the drawings, the component list represented by each sign is as follows:
[0020] 1, airflow mill equipment;101, catcher;102, gas material outlet;201, grading hopper;202, discharge port;203, disc;204, chute;205, sliding block;206, column;207, baffle;208, rotating disc;209, track groove;301, tooth groove;302, vertical plate;303, spring;304, limiting column;305, limiting rod;4, limiting ring;5, rotating handle. DETAILED DESCRIPTION
[0021] In order to make the purpose and advantages of the utility model more clearly, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope of the utility model specifically requested.
[0022] As Figures 1-5 shown, the hierarchical flat airflow mill, including airflow mill equipment 1, catcher 101 and gas material outlet 102, catcher 101 is connected to the top of airflow mill equipment 1, gas material outlet 102 is opened in the top of catcher 101, the inside of catcher 101 is provided with grading mechanism;Grading mechanism includes grading hopper 201, discharge port 202, disc 203, chute 204, sliding block 205, stand 206, baffle 207, turntable 208 and trajectory groove 209, grading hopper 201 is installed on the inner wall of catcher 101, discharge port 202 is opened in the top of grading hopper 201, disc 203 is fixedly connected to the inner wall of catcher 101 and is located at the top of grading hopper 201, the center of disc 203 is provided with the hole consistent with discharge port 202, two chutes 204 are opened in the top of disc 203, two sliding blocks 205 are respectively slidably connected in the inside of two chutes 204, two stands 206 are respectively fixedly connected to the top of two sliding blocks 205, two baffle plates 207 are respectively fixedly sleeved on the surface of two stands 206, two baffle plates 207 are both arranged on the top of disc 203 and are located at the top of the hole, turntable 208 is rotatably connected to the top of disc 203, two trajectory grooves 209 are both opened in the top of turntable 208, two stands 206 are respectively slidably connected in the inside of two trajectory grooves 209, when grading, the staff can flexibly adjust the grading mechanism according to the processing needs, when adjusting, the staff can hold rotating handle 5 and then rotate the turntable 208 clockwise, the clockwise rotation of turntable 208 can extrude stand 206 along trajectory groove 209 and make stand 206 move outward under the limiting guidance of sliding block 205 and chute 204, the outward movement of stand 206 can drive baffle plate 207 to move outward, the outward movement of baffle plate 207 can make the hole shielding area on the top of disc 203 smaller, on the contrary, the hole of discharge port 202 will expand, thus the gas material with larger particles can pass through discharge port 202 and the hole and be discharged outward, when the turntable 208 is counterclockwise rotated, the above steps will be operated reversely, the baffle plate 207 shielding area of discharge port 202 will be larger, and the hole of discharge port 202 will be smaller, so that the gas material with smaller particles can be limited to pass through discharge port 202 and the hole and be discharged upward, thus the grading mechanism can be flexibly adjusted according to the processing needs, different particle size materials can be effectively separated, the oversized or undersized particles can be removed, and the particle size of the final product is more uniform.
[0023] As Figure 3 andFigure 5 As shown, the surface of the rotating disc 208 is provided with a tooth groove 301, the top of the disc 203 is fixedly connected with a vertical plate 302, the inner side of the vertical plate 302 is fixedly connected with a spring 303, the other end of the spring 303 is connected with a limiting column 304, the limiting column 304 is clamped in the inside of the tooth groove 301, the inside of the spring 303 is movably provided with a limiting rod 305, one end of the limiting rod 305 is fixedly connected to the outside of the limiting column 304, the other end of the limiting rod 305 penetrates through the vertical plate 302 and is slidingly connected to the inside of the vertical plate 302, when the rotating disc 208 no longer rotates, the limiting column 304 can be pushed to cooperate and connect with the tooth groove 301 under the elastic force of the spring 303, so as to assist in limiting, avoid the airflow mill equipment 1 from causing the rotating disc 208 to rotate by itself during work, when the rotating disc 208 rotates, the rotating disc 208 can extrude the limiting column 304, and the limiting column 304 extrudes the spring 303 through the limiting column 304, when the limiting column 304 is extruded, the limiting rod 305 can be pushed to slide in the inside of the vertical plate 302, which can assist the limiting column 304 to move in parallel, prevent the limiting column 304 from deviating when moving, and the spring 303 cannot smoothly cooperate and connect with the tooth groove 301 when pushing the limiting column 304 to move.
[0024] As shown in the figure, Figures 1-3 As shown, the surfaces of the two vertical columns 206 are both sleeved with a limiting ring 4, the limiting ring 4 is located at the top of the rotating disc 208, when the rotating disc 208 extrudes the vertical column 206 to slide in the inside of the track groove 209, the limiting ring 4 can limit the vertical column 206 in the inside of the track groove 209, prevent the rotating disc 208 from extruding the vertical column 206 to move and deviate in the inside of the track groove 209.
[0025] As shown in the figure, Figures 1-3 As shown, the top of the rotating disc 208 is fixedly connected with a rotating handle 5, the rotating handle 5 is cylindrical, the cylindrical rotating handle 5 conforms to the natural holding way of the palm of the hand, the circular shape can disperse the pressure of the hand, reduce the discomfort when holding, provide a more comfortable use experience, and facilitate the staff to hold the rotating handle 5 to smoothly and labor-saving rotate the rotating disc 208.
[0026] As shown in the figure, Figure 4 As shown, the grading hopper 201 is funnel-shaped, and the grading hopper 201 is installed upside down on the inner wall of the catcher 101, which can make a large amount of air material pass through the grading hopper 201 for grading treatment quickly, and improve the efficiency of material grading and discharging.
[0027] The working principle of the utility model discloses: when grading, the staff can flexibly adjust the grading mechanism according to the processing needs, when adjusting, the staff can hold the rotating handle 5 and then rotate the turntable 208 clockwise, the clockwise rotation of the turntable 208 can extrude the stand column 206 along the track groove 209 and under the limiting guide of the sliding block 205 and the sliding slot 204, make the stand column 206 move outward at the same time, the outward movement of the stand column 206 can drive the baffle 207 to move outward, the outward movement of the baffle 207 can make the hole on the top of the disc 203 smaller, on the contrary, the hole of the discharge will expand, thus the gas material with large particles can pass through the discharge port 202 and the hole and discharge outward, when rotating the turntable 208 counterclockwise, the above steps will be operated reversely, make the baffle 207 cover the discharge port 202 larger, and make the hole of the discharge smaller, thus the gas material with small particles can be limited to pass through the discharge port 202 and the hole and discharge upward, thus the grading mechanism can be flexibly adjusted according to the processing needs, different granularity materials can be effectively separated, the too large or too small particles can be removed, and the granularity of the final product is more uniform.
[0028] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model are implemented according to the conventional means in the field, without special description and limitation.
Claims
1. A classification flat jet mill, comprising a jet mill device (1), a catcher (101) connected to the top of the jet mill device (1), and a gas material outlet (102) opened in the top of the catcher (101), characterized in that: The inside of the catcher (101) is provided with a grading mechanism; The grading mechanism comprises a grading hopper (201), a discharge port (202), a disc (203), a chute (204), a sliding block (205), a stand (206), a baffle (207), a rotating disc (208) and a track groove (209), the grading hopper (201) is installed on the inner wall of the catcher (101), the discharge port (202) is arranged on the top of the grading hopper (201), the disc (203) is fixedly connected to the inner wall of the catcher (101) and located on the top of the grading hopper (201), a hole consistent with the discharge port (202) is arranged at the center of the disc (203), two chutes (204) are arranged on the top of the disc (203), two sliding blocks (205) are slidingly connected to the interiors of the two chutes (204), two stands (206) are fixedly connected to the tops of the two sliding blocks (205), two baffles (207) are fixedly sleeved on the surfaces of the two stands (206), the two baffles (207) are arranged on the top of the disc (203) and located on the top of the hole, the rotating disc (208) is rotationally connected to the top of the disc (203), and two track grooves (209) are arranged on the top of the rotating disc (208).
2. The classification flat jet mill according to claim 1, characterized in that: The surface of the rotating disc (208) is provided with a gear slot (301), the top of the disc (203) is fixedly connected with a vertical plate (302), the inner side of the vertical plate (302) is fixedly connected with a spring (303), the other end of the spring (303) is connected with a limiting column (304), and the limiting column (304) is clamped in the interior of the gear slot (301).
3. The classification flat jet mill according to claim 2, characterized in that: The interior of the spring (303) is movably provided with a limiting rod (305), one end of the limiting rod (305) is fixedly connected to the outer side of the limiting column (304), and the other end of the limiting rod (305) penetrates through the vertical plate (302) and is slidingly connected to the interior of the vertical plate (302).
4. The classification flat jet mill of claim 1, wherein: The surfaces of the two stands (206) are sleeved with limiting rings (4), and the limiting rings (4) are located on the top of the rotating disc (208).
5. The classification flat jet mill of claim 1, wherein: The top of the rotating disc (208) is fixedly connected with a rotating handle (5), and the rotating handle (5) is cylindrical.
6. The classification flat jet mill of claim 1, wherein: The grading hopper (201) is funnel-shaped, and the grading hopper (201) is installed in an inverted manner on the inner wall of the catcher (101).