A circulating winnower for grain processing

Abstract

This utility model discloses a circulating air separator for grain processing, comprising an air separator body, a first motor fixedly connected to the upper rear side of the air separator body, a second motor fixedly connected to the lower rear side of the air separator body, a feeding device disposed on the right side inside the air separator body, and a discharging device disposed at the lower interior of the air separator body. A circular fan blade is fixedly connected to the output end of the first motor, and an auger is fixedly connected to the output end of the second motor. A circular outer shell is fixedly connected to the upper interior of the air separator body, an air inlet pipe is fixedly connected to the right side of the circular outer shell, an air inlet chamber is fixedly connected to the middle interior of the air separator body, and a discharging chamber is fixedly connected to the lower interior of the air separator body. With this structure, grain can be evenly distributed to the air outlet for better separation; different feeding speeds can be used to adapt to different equipment.

Description

Technical Field

[0001] This utility model relates to the field of air separator technology, and in particular to a circulating air separator for grain processing. Background Technology

[0002] A circulating air separator is a device that uses airflow to separate materials, separating light and heavy components in a mixture through a circulating airflow. Its working principle involves feeding the material into the air separation chamber; a high-speed airflow blows the lighter materials towards the collection device, while the heavier materials settle to the bottom and are discharged due to gravity. It is widely used in grain processing, renewable resource recycling, and chemical industries.

[0003] 1. In existing technology, during the feeding process of a circulating air separator, materials are directly added to the separator. The materials cannot be evenly distributed to the air outlet, resulting in some grain piles containing sand, gravel, and empty shells moving downwards along with the descending grain, thus hindering the overall separation effect.

[0004] 2. In existing technologies, circulating air classifiers are typically used in conjunction with other equipment during the discharge process. Different equipment requires different discharge speeds from the air classifier to adapt to the different devices connected to it. However, some circulating air classifiers lack adjustment devices at their discharge ports, thus preventing them from being integrated with different equipment. Utility Model Content

[0005] The purpose of this utility model is to provide a circulating air separator for grain processing, which can evenly distribute grain to the air outlet, allowing the grain to be better separated from sand, gravel, and empty shells; and can adopt different feeding speeds to adapt to different equipment.

[0006] To achieve the above objectives, a circulating air separator for grain processing is provided, comprising an air separator body, a first motor fixedly connected to the upper rear side of the air separator body, a second motor fixedly connected to the lower rear side of the air separator body, a feeding device provided on the right side inside the air separator body, and a discharging device provided at the lower interior of the air separator body.

[0007] A circular fan blade is fixedly connected to the output end of the first motor, and an auger is fixedly connected to the output end of the second motor. A circular outer shell is fixedly connected to the upper part of the air separator body. An air inlet pipe is fixedly connected to the right side of the circular outer shell. An air inlet chamber is fixedly connected to the middle part of the air separator body. A discharge chamber is fixedly connected to the lower part of the air separator body. A return air trough is opened on the right side of the air separator body.

[0008] According to the aforementioned circulating air separator for grain processing, an air inlet screen is installed on the top of the air separator body, a waste pipe is fixedly connected to the front center of the air separator body, and support feet are fixedly connected to the four lower corners of the air separator body.

[0009] According to the aforementioned circulating air separator for grain processing, the circular fan blades are located inside the circular outer shell, and the circular fan blades are rotatably connected to the circular outer shell.

[0010] According to the aforementioned circulating air separator for grain processing, the auger is located inside the discharge bin, the auger is rotatably connected to the discharge bin, the discharge bin is located behind the waste pipe, and the discharge bin is fixedly connected to the waste pipe.

[0011] According to the aforementioned circulating air separator for grain processing, the feeding device includes a feeding hopper, a funnel fixedly connected above the feeding hopper, a fixing block fixedly connected to the middle left side of the feeding hopper, a connecting rod fixedly connected to the middle of the fixing block, a baffle rotatably connected to the middle of the connecting rod, and springs fixedly connected to the front and rear sides of the connecting rod. A material equalization plate rotatably connects below the feeding hopper, a connecting plate fixedly connected to the bottom of the feeding hopper, a return spring fixedly connected to the left side of the connecting plate, a third motor fixedly connected to the middle left side of the connecting plate, a cam fixedly connected to the output end of the third motor, and a stabilizing block rotatably connected to the left side of the cam.

[0012] According to the aforementioned circulating air separator for grain processing, one end of the spring spring abuts against the feeding bin, the other end of the spring spring abuts against the baffle plate, the other end of the reset spring is fixedly connected to the equalizing plate, the lower end of the stabilizing block is fixedly connected to the connecting plate, and the feeding bin is fixedly connected to the air separator body.

[0013] According to the aforementioned circulating air separator for grain processing, the discharge device includes a fixed plate, a threaded rotating rod threadedly connected to the middle of the fixed plate, a knob fixedly connected to the left end of the threaded rotating rod, a rotating block rotatably connected to the right end of the threaded rotating rod, a slider rotatably connected to the right side of the rotating block, an adjusting plate rotatably connected to the right side of the fixed plate, and a sliding frame fixedly connected to the left side of the adjusting plate.

[0014] According to the aforementioned circulating air separator for grain processing, the fixed plate is fixedly connected to the air separator body, the slider is located inside the sliding frame, and the slider is slidably connected to the sliding frame.

[0015] This utility model has the following beneficial effects:

[0016] 1. Compared with existing technologies, this method incorporates a baffle. When the grain accumulates to a certain amount, i.e., when the lowest surface of the grain pile aligns with the top of the baffle, the baffle is pushed open, allowing the grain to fall onto the leveling plate. The output of this portion of grain is equal on both sides of the feed inlet. Driven by a third motor, the leveling plate vibrates rhythmically. This rhythmic vibration ensures that the grain entering the air separator is evenly distributed within the separator. Combined with the circulating airflow, this evenly distributes the grain to the air outlet, allowing for better separation of the grain from sand, gravel, and empty shells.

[0017] 2. Compared to existing technologies, rotating the knob changes the angle between the adjusting plate and the fixed plate. The adjusting plate comes into contact with the separated grain, so when the angle between the adjusting plate and the fixed plate increases, the grain accumulates at the device's discharge port, resulting in a smaller discharge rate per unit time; conversely, when the angle decreases, the grain accumulation decreases or ceases, resulting in a larger discharge rate per unit time. This allows for different discharge speeds to accommodate various external equipment. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a perspective view of a circulating air separator for grain processing according to the present invention;

[0020] Figure 2 This is a second-view perspective view of a circulating air separator for grain processing according to this utility model;

[0021] Figure 3 This is a cross-sectional view of a circulating air separator for grain processing according to this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the feeding device of a circulating air separator for grain processing according to this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the discharge device of a circulating air separator for grain processing according to this utility model.

[0024] Legend:

[0025] 1. Air separator body; 2. Air inlet screen; 3. Waste pipe; 4. Support legs; 5. First motor; 6. Second motor; 7. Feeding device; 8. Discharge device; 9. Circular fan blades; 10. Screwdriver; 11. Circular outer casing; 12. Air inlet pipe; 13. Air inlet chamber; 14. Discharge chamber; 15. Return air duct;

[0026] 71. Feeding bin; 72. Funnel; 73. Fixing block; 74. Connecting rod; 75. Baffle; 76. Rebound spring; 77. Distribution plate; 78. Connecting plate; 79. Return spring; 710. Third motor; 711. Cam; 712. Stabilizing block;

[0027] 81. Fixed plate; 82. Threaded rotating rod; 83. Knob; 84. Rotating block; 85. Sliding block; 86. Adjusting plate; 87. Sliding frame. Detailed Implementation

[0028] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0029] Reference Figure 1-5 This utility model discloses a circulating air separator for grain processing, comprising an air separator body 1, an air inlet screen 2 mounted on the top of the air separator body 1, a waste pipe 3 fixedly connected to the front center of the air separator body 1, support feet 4 fixedly connected to the four lower corners of the air separator body 1, a first motor 5 fixedly connected to the upper rear side of the air separator body 1, a second motor 6 fixedly connected to the lower rear side of the air separator body 1, a feeding device 7 disposed on the right side inside the air separator body 1, a discharging device 8 disposed at the lower interior of the air separator body 1, and a circular fan blade 9 fixedly connected to the output end of the first motor 5, the circular fan blade 9 being located within the circular outer shell 1. Inside the air separator 1, the circular fan blade 9 is rotatably connected to the circular outer shell 11. The output end of the second motor 6 is fixedly connected to the auger 10, which is located inside the discharge bin 14. The auger 10 is rotatably connected to the discharge bin 14, which is located behind the waste pipe 3. The discharge bin 14 is fixedly connected to the waste pipe 3. The circular outer shell 11 is fixedly connected to the upper part of the air separator body 1. The air inlet pipe 12 is fixedly connected to the right side of the circular outer shell 11. The air inlet chamber 13 is fixedly connected to the middle part of the air separator body 1. The discharge bin 14 is fixedly connected to the lower part of the air separator body 1. The return air trough 15 is opened on the right side of the air separator body 1.

[0030] In the above structure, by providing an air intake screen 2, when the first motor 5 drives the circular fan blade 9 to rotate, external gas can enter the interior of the air separator body 1 through the air intake screen 2.

[0031] The waste pipe 3 is provided, and a discharge port is opened on the lower front side of the waste pipe 3. This facilitates the subsequent rotation of the auger 10 by the second motor 6, so that the separated waste is discharged from the inside of the air separator body 1 through the discharge port when the auger 10 is driven to rotate by the auger 10, the discharge bin 14 and the waste pipe 3 are coordinated.

[0032] With an air inlet pipe 12 positioned above the air inlet chamber 13, gas entering the circular outer shell 11 enters the air inlet chamber 13 from the right side of the inlet pipe 12. The gas moves downwards under the influence of the air inlet chamber 13, guided by the inclined blocks above the fixed plate 81 and below the connecting plate 78, and then into the return air duct 15. This airflow passes over the scattered grain to be separated, enabling the airflow to separate the grain. Lighter impurities, such as light dust, light sand, and grain husks, move upwards and, with the cooperation of the inner wall of the air separator body 1 and the outer wall of the circular outer shell 11, enter the discharge chamber 14. Heavier grains move downwards and are discharged through the lower opening.

[0033] The feeding device 7 includes a feeding bin 71, a funnel 72 fixedly connected to the top of the feeding bin 71, a fixing block 73 fixedly connected to the middle of the left side of the feeding bin 71, a connecting rod 74 fixedly connected to the middle of the fixing block 73, a baffle 75 rotatably connected to the middle of the connecting rod 74, and springs 76 fixedly connected to the front and rear sides of the connecting rod 74. A material leveling plate 77 rotatably connected to the bottom of the feeding bin 71, and a connecting plate 78 fixedly connected to the bottom of the feeding bin 71. A reset spring is fixedly connected to the left side of the connecting plate 78. A third motor 710 is fixedly connected to the middle left side of the connecting plate 78, and a cam 711 is fixedly connected to the output end of the third motor 710. A stabilizing block 712 is rotatably connected to the left side of the cam 711. One end of the rebound spring 76 abuts against the feeding bin 71, and the other end of the rebound spring 76 abuts against the baffle 75. The other end of the reset spring 79 is fixedly connected to the equalizing plate 77. The lower end of the stabilizing block 712 is fixedly connected to the connecting plate 78. The feeding bin 71 is fixedly connected to the air separator body 1.

[0034] The above structure, by providing a funnel 72, allows the operator to add grain into the lower hopper 71 through the funnel 72.

[0035] A baffle 75 is provided, and a feed inlet is opened at the discharge bin 71 on the right side of the baffle 75. When the grain enters the interior of the funnel 72, the grain that has just entered the discharge bin 71 will not directly push the return spring 76 open, i.e., it cannot push the baffle 75 open, due to the action of the return spring 76. When the grain accumulates to a certain amount, that is, when the lowest surface of the grain pile is aligned with the upper end of the baffle 75, the baffle 75 is pushed open. At this time, the grain falls above the equalizing plate 77, and the discharge amount of this part of the grain on both sides of the feed inlet is the same.

[0036] Driven by the third motor 710, the cam 711 rotates. The rotation of the cam 711, combined with the action of the return spring 76, causes the uniform material plate 77 to vibrate rhythmically. This rhythmic vibration of the uniform material plate 77 ensures that the grain entering the air separator body 1 is evenly distributed inside. Combined with the circulating airflow, light impurities enter the discharge hopper 14, and the grain is discharged through the lower discharge port.

[0037] The discharge device 8 includes a fixed plate 81, a threaded rotating rod 82 is threadedly connected to the middle of the fixed plate 81, a knob 83 is fixedly connected to the left end of the threaded rotating rod 82, a rotating block 84 is rotatably connected to the right end of the threaded rotating rod 82, a slider 85 is rotatably connected to the right side of the rotating block 84, an adjusting plate 86 is rotatably connected to the right side of the fixed plate 81, a sliding frame 87 is fixedly connected to the left side of the adjusting plate 86, the fixed plate 81 is fixedly connected to the air separator body 1, the slider 85 is located inside the sliding frame 87, and the slider 85 is slidably connected to the sliding frame 87.

[0038] In the above structure, rotating the knob 83 causes the threaded rod 82 to rotate. The threaded rod 82 is threadedly connected to the fixed plate 81, allowing it to move left and right from the center of the fixed plate 81. A rotating block 84 is rotatably connected to the right end of the threaded rod 82, and a slider 85 is rotatably connected to the right side of the rotating block 84. The slider 85 is located inside the sliding frame 87 and is slidably connected to the sliding frame 87. This allows the threaded rod 82 to push the adjusting plate 86 to rotate, changing the angle between the adjusting plate 86 and the fixed plate 81.

[0039] The angle between the adjusting plate 86 and the fixed plate 81 can be changed, and the adjusting plate 86 is in contact with the separated grain. When the angle between the adjusting plate 86 and the fixed plate 81 increases, the amount of grain fed decreases; when the angle between the adjusting plate 86 and the fixed plate 81 decreases, the amount of grain fed increases.

[0040] Working Principle: This type of circulating air separator for grain processing operates by first turning on the first motor 5, the second motor 6, and the third motor 710. Grain is then poured into the feeding device 7. The feeding device 7 ensures the grain is evenly distributed inside the separator body 1. Combined with the circulating airflow, light impurities enter the discharge hopper 14, while the grain is discharged through the lower discharge port. The light impurities, through the coordination of the auger 10 with the discharge hopper 14 and the waste pipe 3, cause the separated waste to be discharged from the separator body 1 through the discharge port, thus achieving the separation of grain and impurities.

[0041] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A circulating air separator for grain processing, characterized in that, Includes an air separator body (1), a first motor (5) is fixedly connected to the upper rear side of the air separator body (1), a second motor (6) is fixedly connected to the lower rear side of the air separator body (1), a feeding device (7) is provided on the right side inside the air separator body (1), and a discharging device (8) is provided at the lower inside the air separator body (1). A circular fan blade (9) is fixedly connected to the output end of the first motor (5), and an auger (10) is fixedly connected to the output end of the second motor (6). A circular outer shell (11) is fixedly connected to the upper part of the air separator body (1). An air inlet pipe (12) is fixedly connected to the right side of the circular outer shell (11). An air inlet chamber (13) is fixedly connected to the middle part of the air separator body (1). A discharge chamber (14) is fixedly connected to the lower part of the air separator body (1). A return air trough (15) is opened on the right side of the air separator body (1).

2. The circulating air separator for grain processing according to claim 1, characterized in that, An air intake mesh (2) is installed on the top of the air separator body (1), a waste pipe (3) is fixedly connected to the front center of the air separator body (1), and support feet (4) are fixedly connected to the four lower corners of the air separator body (1).

3. The circulating air separator for grain processing according to claim 1, characterized in that, The circular fan blade (9) is located inside the circular outer shell (11), and the circular fan blade (9) is rotatably connected to the circular outer shell (11).

4. A circulating air separator for grain processing according to claim 1, characterized in that, The auger (10) is located inside the discharge bin (14), and the auger (10) is rotatably connected to the discharge bin (14). The discharge bin (14) is located behind the waste pipe (3), and the discharge bin (14) is fixedly connected to the waste pipe (3).

5. A circulating air separator for grain processing according to claim 1, characterized in that, The feeding device (7) includes a feeding bin (71), a funnel (72) is fixedly connected above the feeding bin (71), a fixing block (73) is fixedly connected to the middle left side of the feeding bin (71), a connecting rod (74) is fixedly connected to the middle of the fixing block (73), a baffle (75) is rotatably connected to the middle of the connecting rod (74), a spring spring (76) is fixedly connected to the front and rear sides of the connecting rod (74), a material equalization plate (77) is rotatably connected to the bottom of the feeding bin (71), a connecting plate (78) is fixedly connected to the bottom of the feeding bin (71), a reset spring (79) is fixedly connected to the left side of the connecting plate (78), a third motor (710) is fixedly connected to the middle left side of the connecting plate (78), a cam (711) is fixedly connected to the output end of the third motor (710), and a stabilizing block (712) is rotatably connected to the left side of the cam (711).

6. A circulating air separator for grain processing according to claim 5, characterized in that, One end of the rebound spring (76) abuts against the feeding bin (71), the other end of the rebound spring (76) abuts against the baffle (75), the other end of the reset spring (79) is fixedly connected to the material equalization plate (77), the lower end of the stabilizing block (712) is fixedly connected to the connecting plate (78), and the feeding bin (71) is fixedly connected to the air separator body (1).

7. A circulating air separator for grain processing according to claim 1, characterized in that, The discharge device (8) includes a fixed plate (81), a threaded rotating rod (82) is threadedly connected to the middle of the fixed plate (81), a knob (83) is fixedly connected to the left end of the threaded rotating rod (82), a rotating block (84) is rotatably connected to the right end of the threaded rotating rod (82), a slider (85) is rotatably connected to the right side of the rotating block (84), an adjusting plate (86) is rotatably connected to the right side of the fixed plate (81), and a sliding frame (87) is fixedly connected to the left side of the adjusting plate (86).

8. A circulating air separator for grain processing according to claim 7, characterized in that, The fixed plate (81) is fixedly connected to the air separator body (1), the slider (85) is located inside the sliding frame (87), and the slider (85) is slidably connected to the sliding frame (87).

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