Multi-channel efficient grain winnowing machine

By designing a multi-channel high-efficiency grain air selection machine, combining the material separation mechanism and the air selection box, the multi-channel separation of grain and impurity removal are achieved, the problems of inconvenience in grain distribution and grain waste in the existing technology are solved, and the quality of grain is improved.

CN222805593UActive Publication Date: 2025-04-29ANHUI JIESHOUSHI YUNLONG FOOD MACHINE ENG
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Patent Information

Application Number
CN202420621790.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-04-29
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

It is difficult to separate multiple channels for existing grain air selectors, resulting in inconvenience in grain distribution and difficulty in separation of impurities and debris. At the same time, it is easy to cause food waste during the work process.

Method used

A multi-channel high-efficiency grain air selection machine is designed, using a combination of material separation mechanism and air selection box to achieve multi-channel separation of grain through vibration of material separation box and the design of screening plates, and an air compressor and recycling pipeline are used to avoid grain waste.

Benefits of technology

It has achieved efficient multi-channel separation of food, which can effectively remove impurities and debris, reduce food waste, and improve food quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agricultural equipment, in particular to a multi-channel efficient grain winnowing machine which comprises a movable support, a discharging box is fixed to the top end of one side of the movable support, and a feeding hopper is fixed to the upper surface of the discharging box. The material distributing mechanism is arranged, the vibration motors on the two sides of the material distributing box are matched with the buffer blocks to drive the material screening plates to vibrate, material distributing is conducted through vibration of the material screening plates, large-diameter grains are discharged through outlets in the two sides of the material distributing box, and small-diameter grains fall into the material distributing box, are discharged through second discharging openings along with vibration and fall into the material collecting box. A plurality of channels are matched to form a material distribution effect; screened small-size grains fall into a material gathering box and are conveyed through a conveying crawler belt, light-weight crushed grain impurities are sucked when passing through a suction hopper of the winnowing box, are pushed into a recycling pipeline through an air compressor on one side of the winnowing box, then enter a recycling box, are discharged through a second rotating auger and are discharged through a first discharging opening, and waste of the grains is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a multi-channel high-efficiency grain winnowing machine. Background Art

[0002] A grain winnower is an agricultural machine used to separate, clean and sort grains and cereals. It uses the principles of airflow and gravity to separate grains of different sizes, shapes and densities by blowing and vibrating to remove impurities, debris, chaff and immature grains. Grain winnowers are very useful for improving grain quality and reducing impurities, which is very important in grain processing and storage, helping to ensure the quality of grains and reduce losses and costs in subsequent processing steps.

[0003] However, most of the grain air separators in the prior art only separate grains through a one-way channel, which makes it difficult to separate grains, and it is not convenient to completely separate impurities, debris, etc., and it is difficult to avoid sucking some grains into the air separator box when the air separator is working, thereby causing food waste;

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to propose a multi-channel and efficient grain air separator in order to solve the problem that most of the grain air separators in the prior art only separate through a one-way channel, which makes it difficult to separate the grain and inconvenient to completely separate impurities, debris, etc., and some grains are inevitably sucked into the interior of the air separator box when the air separator is working, thereby causing food waste.

[0006] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a multi-channel high-efficiency grain air separator, comprising a movable bracket, a discharge box is fixed on the top of one side of the movable bracket, a feed hopper is fixed on the upper surface of the discharge box, and a recovery box is fixed on one side of the discharge box, a material dividing mechanism installed inside the movable bracket is arranged below the discharge box, the material dividing mechanism comprises two mounting blocks symmetrically fixed at the front and rear ends of the movable bracket, a buffer block is fixed on the upper surface of the mounting block, a material dividing box is commonly fixed on the top of the two buffer blocks, a screening plate is fixed inside the material dividing box, and two vibration motors are symmetrically fixed on both sides of the material dividing box, a material dividing box fixed to one side of the material dividing box is arranged on the upper surface of the screening plate, a first discharge port is fixed at the front and rear end outlet positions of the front and rear ends of the movable bracket corresponding to the material dividing box, and a second discharge port is commonly fixed to the screening plate and one side of the material dividing box.

[0007] Furthermore, two mounting brackets are symmetrically fixed at the front and rear ends of the bottom of one side of the movable bracket, and a material feeding track is rotatably connected between the two mounting brackets. A material collection box fixed between the two mounting brackets is arranged at the position corresponding to the second discharge port above one side of the material feeding track.

[0008] Furthermore, a suction hopper is fixed at the position above the feeding crawler corresponding to the other side of the movable bracket, and a winnowing box is fixed above the suction hopper. Two winnowing machines are symmetrically fixed at the front and rear ends of the top of one side of the winnowing box, and an air compressor is fixed to the bottom of the other side of the winnowing box. A recovery pipe fixed to the side of the winnowing box is arranged above the air compressor, and one side of the recovery pipe is fixed to the recovery box.

[0009] Furthermore, a material guide pipe is fixed at the bottom of the recycling box, the output port of the material guide pipe corresponds to one of the first material outlets, and a second rotary auger is rotatably connected inside the front end of the material guide pipe, and a second pulley is fixed at the front end of the second rotary auger that penetrates and extends to the outside of the material guide pipe.

[0010] Furthermore, the outer layer of the second pulley is sleeved with a second belt, the top end of the second belt is rotatably connected to another second pulley, the rear end of the top end of the second pulley is connected to a second motor fixed to the front end of the air compressor, and the front end of the recovery box is fixed with a protective box sleeved on the outer layer of the second belt.

[0011] Furthermore, the internal rotatable connection of three first rotating augers is provided in the discharge box, the front end of the first rotating augers passes through and extends to the outside of the discharge box where a first pulley is fixed, a first belt is rotatably connected between the three first pulleys, a third pulley is rotatably connected inside one side of the first belt, and the rear end of the third pulley is connected to a first motor fixed to one side of the discharge box.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a material dividing mechanism, through the vibration motors on both sides of the material dividing box and the buffer blocks, the screen plate is driven to vibrate, and the material is divided by the vibration of the screen plate. The large-diameter grains are discharged through the outlets on both sides of the material dividing box, and then fall through the first discharge port. The small-diameter grains fall into the inside of the material dividing box, and are discharged through the second discharge port and fall into the inside of the gathering box with the vibration. Multiple channels cooperate to form a material dividing effect;

[0014] 2. In the utility model, the small-diameter grains after screening fall into the gathering box and are transported by the conveyor belt. The light-weight broken impurities are sucked in when passing through the suction hopper of the air separation box, and the heavier grains continue to be transported along the conveyor belt. The air compressor on one side of the air separation box is used to form a positive pressure airflow. When the air separation box sucks in the heavier grains, the grains rise slowly and are pushed into the recovery pipe by the positive pressure airflow, and then enter the recovery box, and are discharged through the second rotary auger and the first discharge port, so as to avoid wasting grain. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the material distribution mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure inside the material box of the utility model;

[0018] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0019] Figure 5 It is a structural schematic diagram of the rear end of the utility model.

[0020] Figure numerals: 1. movable bracket; 2. first discharge port; 3. gathering box; 4. suction hopper; 5. mounting frame; 6. feeding crawler; 7. air separation box; 8. air separation machine; 9. recovery pipe; 10. recovery box; 11. feed hopper; 12. vibration motor; 13. screening plate; 14. distribution box; 15. buffer block; 16. mounting block; 17. distribution box; 18. second discharge port; 19. first pulley; 20. air compressor; 21. first rotary auger; 22. first belt; 23. second pulley; 24. second rotary auger; 25. protective box; 26. material guide pipe; 27. second belt; 28. second motor; 29. ​​distribution mechanism; 30. discharge box; 31. first motor; 32. third pulley. DETAILED DESCRIPTION

[0021] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0022] Embodiment 1:

[0023] This embodiment aims to solve the problem that most of the grain air separators in the prior art only separate through a one-way channel, making it difficult to separate the grain and inconvenient to completely separate impurities, debris, etc.

[0024] like Figure 1-Figure 3 As shown, a multi-channel high-efficiency grain air separator comprises a mobile bracket 1, a material discharge box 30 is fixed to the top of one side of the mobile bracket 1, a feed hopper 11 is fixed to the upper surface of the material discharge box 30, and a recovery box 10 is fixed to one side of the material discharge box 30, and a material distribution mechanism 29 installed inside the mobile bracket 1 is arranged below the material discharge box 30, and the material distribution mechanism 29 comprises two mounting blocks 16 symmetrically fixed to the front and rear ends inside the mobile bracket 1, and a buffer block 15 is fixed to the upper surface of the mounting block 16, and the buffering of the buffer block 15 is utilized to protect the material distribution box 14 to prevent the material distribution box 14 from being damaged by vibration, and the tops of the two buffer blocks 15 are jointly fixed with the material distribution box 14, and a screening plate 13 is fixed inside the material distribution box 14, and the screening plate 13 is inclined with respect to the horizontal direction, and two vibration motors 12 are symmetrically fixed to the two sides of the material distribution box 14;

[0025] The upper surface of the screening plate 13 is provided with a distribution box 17 fixed to one side of the distribution box 14, and a cavity is provided inside the distribution box 17, and the grain is discharged through the cavities on both sides, and the first discharge port 2 is fixed at the front and rear ends of the movable bracket 1 corresponding to the front and rear end exit positions of the distribution box 17, and the screening plate 13 and one side of the distribution box 14 are jointly fixed with a second discharge port 18, and the interior of the discharge box 30 is rotatably connected with three first rotating augers 21, and the front end of the first rotating augers 21 passes through and extends to the outside of the discharge box 30, and a first pulley 19 is fixed thereto, and the three first pulleys 19 are rotatably connected to each other, and a third pulley 32 is rotatably connected inside one side of the first belt 22, and the rear end of the third pulley 32 is connected to a first motor 31 fixed to one side of the discharge box 30.

[0026] Pour the grain into the feed hopper 11, start the first motor 31 to drive the third pulley 32 to rotate, the rotation of the third pulley 32 drives the first belt 22 to rotate, the rotation of the first belt 22 drives the three first pulleys 19 to rotate, the rotation of the first pulley 19 drives the first rotating auger 21 to rotate, the rotation of the first rotating auger 21 drives the grain to slowly fall into the distributing mechanism 29, start the vibration motor 12 to drive the distributing box 14 to vibrate, the vibration of the distributing box 14 drives the screen plate 13 to vibrate, the vibration of the screen plate 13 drives the grain to move, and at the same time, small-diameter grain and impurities fall into the distributing box 14, and are discharged through the second discharge port 18 as they vibrate, and large-diameter grain vibrates with the screen plate 13, is discharged through both sides of the distributing box 17, and falls and is collected after passing through the first discharge port 2.

[0027] Embodiment 2:

[0028] In order to solve the problem in the prior art that the grain air separator will inevitably suck some grain into the air separator box when the air separator is working, thereby causing grain waste, this embodiment proposes a multi-channel high-efficiency grain air separator.

[0029] like Figure 4 and Figure 5 As shown, the embodiment is a multi-channel high-efficiency grain winnowing machine, and two mounting frames 5 are symmetrically fixed to the front and rear ends of the bottom of one side of the mobile bracket 1, and a feeding crawler 6 is rotatably connected between the two mounting frames 5, and the front and rear ends of the upper surface of the feeding crawler 6 are set to be concave structures to avoid grain spilling during transportation, and a gathering box 3 fixed between the two mounting frames 5 is set at a position corresponding to the second discharge port 18 above one side of the feeding crawler 6, and the gathering box 3 is used to gather the poured grain to avoid spilling, and a suction hopper 4 is fixed to the other side of the mobile bracket 1 at a position above the feeding crawler 6, and a winnowing box 7 is fixed above the suction hopper 4, and two winnowing machines 8 are symmetrically fixed to the front and rear ends of the top of one side of the winnowing box 7, and an air compressor 20 is fixed to the bottom of the other side of the winnowing box 7;

[0030] A recovery pipe 9 fixed to the side of the air separation box 7 is arranged above the air compressor 20, and one side of the recovery pipe 9 is fixed to the recovery box 10, and a material guide pipe 26 is fixed to the bottom of the recovery box 10, and the output port of the material guide pipe 26 corresponds to one of the first material outlets 2, and the front end of the material guide pipe 26 is internally rotatably connected to a second rotary auger 24, and the front end of the second rotary auger 24 penetrates and extends to the outside of the material guide pipe 26, where a second pulley 23 is fixed, and the outer layer of the second pulley 23 is sleeved with a second belt 27, and the top end of the second belt 27 is internally rotatably connected to another second pulley 23, and the rear end of the top second pulley 23 is connected to a second motor 28 fixed to the front end of the air compressor 20, and a protective box 25 sleeved on the outer layer of the second belt 27 is fixed to the front end of the recovery box 10.

[0031] Small-diameter grains and impurities fall into the gathering box 3, and the external motor is started to drive the feed crawler 6 to rotate. The rotation of the feed crawler 6 drives the grain to move. The grain passes under the suction hopper 4, and the air separator 8 is started to suck the lighter impurities into the air separator box 7. In the process of sucking impurities, small-diameter grains will be sucked in together. The air compressor 20 is started to generate a positive pressure airflow to push the small-diameter grains with a slower rising speed into the recovery pipe 9, and then through the recovery pipe 9 to the recovery box 10. The second motor 28 is started to drive one of the second pulleys 23 to rotate. The rotation of the second pulley 23 drives the second belt 27 to rotate. The rotation of the second belt 27 drives the other second pulley 23 to rotate, and then drives the second rotary auger 24 to rotate. The rotation of the second rotary auger 24 drives the small-diameter grain to be discharged slowly, and finally discharged through the first discharge port 2.

[0032] Working process and principle of this utility model:

[0033] Step 1: Pour the grain into the feed hopper 11, start the first motor 31 to drive the third pulley 32 to rotate, the rotation of the third pulley 32 drives the first belt 22 to rotate, the rotation of the first belt 22 drives the three first pulleys 19 to rotate, the rotation of the first pulley 19 drives the first rotating auger 21 to rotate, the rotation of the first rotating auger 21 drives the grain to slowly fall into the distributing mechanism 29, start the vibration motor 12 to drive the distributing box 14 to vibrate, the vibration of the distributing box 14 drives the screen plate 13 to vibrate, the vibration of the screen plate 13 drives the grain to move, and at the same time, small-sized grain and impurities fall into the distributing box 14, and are discharged through the second discharge port 18 as they vibrate, and large-sized grains are discharged through both sides of the distributing box 17 as the screen plate 13 vibrates, and fall and are collected after passing through the first discharge port 2;

[0034] Step 2: Small-diameter grains and impurities fall into the aggregation box 3, and the external motor is started to drive the feed crawler 6 to rotate. The feed crawler 6 rotates to drive the grain to move. The grain passes under the suction hopper 4, and the air separator 8 is started to suck the lighter impurities into the air separator box 7. In the process of sucking impurities, small-diameter grains will be sucked in together. The air compressor 20 is started to generate a positive pressure airflow to push the small-diameter grains with a slower rising speed into the recovery pipe 9, through the recovery pipe 9 to the recovery box 10, and the second motor 28 is started to drive one of the second pulleys 23 to rotate. The rotation of the second pulley 23 drives the second belt 27 to rotate. The rotation of the second belt 27 drives the other second pulley 23 to rotate, and then drives the second rotary auger 24 to rotate. The rotation of the second rotary auger 24 drives the small-diameter grain to be discharged slowly, and finally discharged through the first discharge port 2.

[0035] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-channel high-efficiency grain winnowing machine, comprising a mobile support (1), characterized in that: A material discharge box (30) is fixed to the top of one side of the mobile support (1), a feed hopper (11) is fixed to the upper surface of the material discharge box (30), and a recovery box (10) is fixed to one side of the material discharge box (30), and a material distribution mechanism (29) installed inside the mobile support (1) is arranged below the material discharge box (30), and the material distribution mechanism (29) includes two mounting blocks (16) symmetrically fixed to the front and rear ends of the mobile support (1), and a buffer block (15) is fixed to the upper surface of the mounting block (16), and the two buffer blocks (15) A material distribution box (14) is fixed to the top of the movable bracket (1), a screening plate (13) is fixed inside the material distribution box (14), and two vibration motors (12) are symmetrically fixed on both sides of the material distribution box (14), a material distribution box (17) fixed to one side of the material distribution box (14) is arranged on the upper surface of the screening plate (13), a first discharge port (2) is fixed at the front and rear ends of the movable bracket (1) corresponding to the front and rear end exit positions of the material distribution box (17), and a second discharge port (18) is fixed to the screening plate (13) and one side of the material distribution box (14).

2. A multi-channel high-efficiency grain winnowing machine according to claim 1, characterized in that: Two mounting frames (5) are symmetrically fixed at the front and rear ends of the bottom of one side of the movable bracket (1); a material conveying crawler (6) is rotatably connected between the two mounting frames (5); and a material collecting box (3) fixed between the two mounting frames (5) is arranged at a position corresponding to the second discharge port (18) above one side of the material conveying crawler (6).

3. A multi-channel high-efficiency grain winnowing machine according to claim 1, characterized in that: A suction hopper (4) is fixed on the other side of the movable bracket (1) at a position above the material conveying crawler (6); a wind separation box (7) is fixed above the suction hopper (4); two wind separation machines (8) are symmetrically fixed at the front and rear ends of the top of one side of the wind separation box (7); and an air compressor (20) is fixed to the bottom of the other side of the wind separation box (7); a recovery pipe (9) fixed to the side of the wind separation box (7) is arranged above the air compressor (20); and one side of the recovery pipe (9) is fixed to the recovery box (10).

4. A multi-channel high-efficiency grain winnowing machine according to claim 1, characterized in that: A material guide pipe (26) is fixed at the bottom of the recovery box (10), the output port of the material guide pipe (26) corresponds to one of the first material output ports (2), and a second rotary auger (24) is rotatably connected to the interior of the front end of the material guide pipe (26), and a second pulley (23) is fixed to the exterior of the second rotary auger (24) that passes through and extends to the material guide pipe (26).

5. A multi-channel high-efficiency grain winnowing machine according to claim 4, characterized in that: The outer layer of the second pulley (23) is sleeved with a second belt (27), the top end of the second belt (27) is rotatably connected to another second pulley (23), the rear end of the second pulley (23) at the top end is connected to a second motor (28) fixed to the front end of the air compressor (20), and the front end of the recovery box (10) is fixed with a protective box (25) sleeved with the outer layer of the second belt (27).

6. The multi-channel high-efficiency grain winnowing machine according to claim 1, characterized in that: The discharge box (30) is internally rotatably connected to three first rotating augers (21), the front end of the first rotating augers (21) penetrates and extends to the outside of the discharge box (30) and is fixed with a first pulley (19), the three first pulleys (19) are rotatably connected to a first belt (22), one side of the first belt (22) is internally rotatably connected to a third pulley (32), and the rear end of the third pulley (32) is connected to a first motor (31) fixed to one side of the discharge box (30).