Rice hull crushing device

Abstract

The utility model belongs to the technical field of rice hull smashing, and particularly relates to a rice hull smashing device which comprises a supporting frame, a smashing box is fixedly connected to the supporting frame, a material guiding pipe is connected to the top end of the circumferential face of the smashing box, a cylinder is connected to a top end opening of the material guiding pipe, and a feeding hopper is connected to the top end of the circumferential face of the cylinder. A hollow pipe is rotatably mounted in the cylinder body, a rotating body is sleeved on the hollow pipe, three material guide bins are formed in the rotating body, and a plurality of air outlet holes are formed in the hollow pipe; during feeding, intermittent quantitative feeding of rice husks is realized through rotation, so that uniform distribution of the rice husks in the crushing box can be maintained, blades can be in contact with and crush the rice husks more efficiently, and the problem of incomplete crushing caused by excessive local materials is avoided; and by accurately controlling the feeding amount, idling caused by insufficient materials is avoided, the phenomenon that the crushing cavity is blocked due to overload of the materials is also avoided, and the crushing effect is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of rice husk crushing technology, specifically a rice husk crushing device. Background Technology

[0002] Rice husks, also known as rice bran, are the outer protective structure produced after the husks are removed during rice processing. During the rice husk delivery process, a crushing device is needed to crush them.

[0003] A Chinese patent with publication number CN214159867U discloses a crushing device for carbonized rice husks, including a crushing box, a frame, a control switch, a feed hopper, a first rotary motor, a first rotating shaft, a guide block, crushing blocks, a fixing frame, a second rotary motor, a second rotating shaft, a crushing cylinder, a discharge port, and a discharge hopper. In use, this invention can break the carbonized rice husks by the trapezoidal protrusions at the outer end of the crushing blocks and the evenly distributed serrated protrusions on the inner wall of the crushing cylinder, allowing the husks to fall directly into the crushing box through the discharge port. Compared to traditional crushing devices, this invention can crush the carbonized rice husks into granules, avoiding ash-like powdering and ensuring the quality of the crushed rice husks. It can also spread out the rice husks between the crushing cylinder and the crushing blocks for crushing, enabling the crushing of most of the carbonized rice husks, resulting in finer crushing and effectively ensuring the quality of the crushed rice husks.

[0004] The aforementioned rice husk crushing device is inconvenient to control the feed rate, making it difficult to continuously maintain a stable material level in the crushing chamber. This can lead to excessive or insufficient feed, affecting the crushing effect. Furthermore, existing rice husk crushing devices cannot dry the rice husks before crushing, and the moisture content of the rice husks has a significant impact on the crushing effect. In high-humidity environments, rice husks are prone to sticking together, causing blockages in the crusher and affecting crushing efficiency. Therefore, a rice husk crushing device is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve the problems mentioned in the background, this utility model proposes a rice husk crushing device.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A rice husk crushing device of this utility model includes a support frame, a crushing box fixedly connected to the support frame, a guide pipe connected to the top of the circumferential surface of the crushing box, a cylinder connected to the top end of the guide pipe, a feed hopper connected to the top of the circumferential surface of the cylinder, a hollow tube rotatably installed inside the cylinder, a rotating body fitted onto the hollow tube, three guide chambers opened on the rotating body, multiple air outlets opened on the hollow tube, a second motor installed on one side wall of the cylinder, the output end of the second motor connected to one end of the hollow tube, two L-shaped plates fixedly connected to the other side wall of the cylinder, a shell fixedly connected between the two L-shaped plates, the shell rotatably installed at the end of the hollow tube, a heating wire installed inside the shell, and a blower installed in the air inlet of the shell. The support frame... A control box is installed on the side wall of the device, and the control box is used to control the start and stop of the first motor, the second motor, the third motor and the fourth motor. When feeding, the second motor operates, causing the hollow tube to drive the rotating body to rotate. When the guide hopper rotates to coincide with the opening of the feed hopper, the rice husks in the feed hopper will fall into the guide hopper. As the guide hopper continues to rotate, when the guide hopper rotates to coincide with the end of the guide pipe, the rice husks in the guide hopper will fall into the crushing chamber through the guide pipe. The rotation realizes the intermittent quantitative feeding of rice husks, which helps to maintain the uniform distribution of rice husks in the crushing chamber, so that the blades can contact and crush the rice husks more efficiently, avoiding the problem of incomplete crushing caused by excessive material in some areas. By precisely controlling the feeding amount, it will not run dry due to insufficient material, nor will it cause the crushing chamber to be blocked due to overloaded material, which greatly improves the crushing effect.

[0007] During the feeding process, the blower, in conjunction with the heating wire, blows the heated high-temperature gas into the hollow tube, and finally into the feed hopper containing rice husks through the air outlet. This process dries the rice husks, reducing their moisture content and stickiness, thus minimizing adhesion and clumping within the crushing chamber. The dried rice husks are loose and brittle, facilitating subsequent crushing.

[0008] Preferably, a crushing roller is installed inside the crushing box via a rotating shaft. A first motor is installed on one side wall of the crushing box, and the output end of the first motor is connected to one end of the rotating shaft. Multiple auxiliary crushing blades are fixed to the inner wall of the crushing box, and the auxiliary crushing blades are staggered with the blades on the crushing roller. When crushing rice husks, the first motor is started, causing the rotating shaft to drive the crushing roller to rotate. With the cooperation of the auxiliary crushing blades, the high-speed rotation of the crushing roller can crush the rice husks.

[0009] Preferably, a discharge pipe is connected to the bottom of the circumferential surface of the crushing box, and a grinding box is connected to the discharge pipe. Multiple grinding blocks are fixed on the inner wall of the grinding box. A support rod is fixed inside the discharge pipe, and a third motor is installed on the support rod. A grinding stone is installed at the output end of the third motor, and the grinding stone is placed inside the grinding box. When grinding the crushed rice husks, the crushed rice husks will fall into the grinding box. Through the operation of the third motor, the grinding stone will rotate. With the cooperation of the grinding blocks, the crushed rice husks can be further ground. Through the dual-stage processing of crushing and grinding, the processed rice husk particles are finer, realizing the fine processing of rice husk particles.

[0010] Preferably, a collection box is provided on the bottom side of the support frame, and a discharge port is opened on one side wall of the collection box. Movable seats are slidably mounted on both sides of the collection box's port. A fixed frame is fixedly connected to the two movable seats. A screen plate is mounted on the bottom end of the fixed frame. A support column is fixedly connected to the bottom side of the support frame, and a fourth motor is mounted on the support column. A rotating disk is mounted on the output end of the fourth motor. An eccentric rod is fixed on the rotating disk, and a swing rod is fitted onto the eccentric rod. A fixed seat is hinged to the other end of the swing rod, and the fixed seat is fixedly connected to the side wall of the fixed frame. When screening the crushed and ground rice husks, the crushed and ground rice husks... Rice husks fall onto the screen plate through the discharge pipe. A fourth motor operates, causing a rotating disc to drive an eccentric rod, which in turn drives a swinging rod to oscillate back and forth. With the assistance of a movable seat, the swinging rod causes the fixed frame and the bottom screen plate to shake back and forth, thus screening the crushed and ground rice husks. Larger particles that fail to pass through the screen holes are retained on the screen plate, while smaller particles that pass through fall into a collection box. This screening ensures that the crushed rice husk particles are of uniform size, meeting specific particle size requirements. This is crucial for subsequent processing, as uniform particle size improves the taste and appearance of the product.

[0011] The advantages of this utility model are:

[0012] 1. In this invention, during feeding, a second motor drives the hollow tube to rotate. When the guide hopper rotates to coincide with the opening of the feed hopper, the rice husks in the feed hopper fall into the guide hopper. As the guide hopper continues to rotate, when it coincides with the end of the guide pipe, the rice husks in the guide hopper fall into the crushing chamber through the guide pipe. The rotation achieves intermittent quantitative feeding of rice husks, which helps maintain a uniform distribution of rice husks in the crushing chamber, allowing the blades to contact and crush the rice husks more efficiently, avoiding the problem of incomplete crushing due to excessive material in some areas. By precisely controlling the feeding amount, it avoids the phenomenon of idling due to insufficient material or clogging of the crushing chamber due to overload, greatly improving the crushing effect.

[0013] 2. In the feeding process of this utility model, the high-temperature gas heated by the blower and the heating wire is blown into the hollow tube by the action of the blower, and finally blown into the feed hopper containing rice husks through the air outlet, thereby drying the rice husks. The dried rice husks have a lower moisture content and less stickiness, which reduces the phenomenon of adhesion and clumping in the crushing chamber. The dried rice husks are loose and brittle, which facilitates subsequent crushing.

[0014] 3. In use, the crushed and ground rice husks fall onto the screen plate through the discharge pipe. The screen plate is reciprocated by the operation of the fourth motor, which can screen the crushed and ground rice husks. Larger particles that fail to pass through the screen holes are retained on the screen plate, while smaller particles that pass through the screen holes fall into the collection box for collection. Through screening, it can be ensured that the crushed rice husk particles are of uniform size and meet specific particle size requirements. This is crucial for subsequent processing because uniform particle size can improve the taste and appearance quality of the product. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a side view of the overall three-dimensional structure of the device;

[0017] Figure 2 A cross-sectional view of the cylinder, crushing chamber, and grinding chamber is shown as a structural schematic diagram.

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the cylindrical assembly;

[0019] Figure 4 A schematic diagram of the three-dimensional structure of a rotary intermittent feeding mechanism;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the drying mechanism;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of the screening mechanism;

[0022] In the diagram: 1. Support frame; 2. Crushing box; 3. Rotating shaft; 4. Crushing roller; 5. First motor; 6. Auxiliary crushing blade; 7. Guide pipe; 8. Cylinder; 9. Feed hopper; 10. Hollow tube; 11. Rotating body; 12. Guide bin; 13. Air outlet; 14. Shell; 15. Heating wire; 16. Blower; 17. Second motor; 18. Discharge pipe; 19. Grinding box; 20. Grinding block; 21. Support rod; 22. Third motor; 23. Grinding stone; 24. Collection box; 25. Movable seat; 26. Fixed frame; 27. Screen plate; 28. Support column; 29. ​​Fourth motor; 30. Rotary disk; 31. Swing rod; 32. Fixed seat; 33. Discharge port. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0024] Please see Figure 1-5As shown, a rice husk crushing device includes a support frame 1, a crushing box 2 fixedly connected to the support frame 1, a guide pipe 7 connected to the top of the circumferential surface of the crushing box 2, a cylinder 8 connected to the top end of the guide pipe 7, a feed hopper 9 connected to the top of the circumferential surface of the cylinder 8, a hollow tube 10 rotatably installed inside the cylinder 8, a rotating body 11 fitted on the hollow tube 10, three guide bins 12 opened on the rotating body 11, and multiple air outlets 13 opened on the hollow tube 10. A second motor 17 is installed on one side wall of the cylinder 8, and the output end of the second motor 17 is connected to one end of the hollow tube 10. Two L-shaped plates are fixedly connected to the other side wall of the cylinder 8, and a housing 14 is fixedly connected between the two L-shaped plates. The housing 14 is rotatably installed at the end of the hollow tube 10, a heating wire 15 is provided inside the housing 14, and a blower 16 is installed in the air inlet of the housing 14. During operation... When crushing rice husks, feed needs to be added to the crushing chamber 2. The second motor 17 operates, causing the hollow tube 10 to drive the rotating body 11 to rotate. When the guide bin 12 rotates to coincide with the opening of the feed hopper 9, the rice husks in the feed hopper 9 will fall into the guide bin 12. As the guide bin 12 continues to rotate, when it coincides with the end of the guide pipe 7, the rice husks in the guide bin 12 will fall into the crushing chamber 2 through the guide pipe 7. The rotation achieves intermittent quantitative feeding of rice husks, which helps to maintain the uniform distribution of rice husks in the crushing chamber 2, allowing the blades to contact and crush the rice husks more efficiently, avoiding the problem of incomplete crushing due to excessive material in some areas. By precisely controlling the feeding amount, there will be no idle running due to insufficient material or blockage of the crushing chamber due to overload, which greatly improves the crushing effect.

[0025] During the feeding process, the blower 16, in conjunction with the heating wire 15, blows the heated high-temperature gas into the hollow tube 10, and finally into the feed hopper 12 containing rice husks through the air outlet 13, thereby drying the rice husks. The dried rice husks have a lower moisture content and reduced stickiness, which reduces the phenomenon of adhesion and clumping in the crushing chamber. The dried rice husks are loose and brittle, making them easier to crush in subsequent processes.

[0026] Please see Figure 1-2As shown, a crushing roller 4 is installed inside the crushing box 2 via a rotating shaft 3. A first motor 5 is installed on one side wall of the crushing box 2, and the output end of the first motor 5 is connected to one end of the rotating shaft 3. Multiple auxiliary crushing blades 6 are fixed to the inner wall of the crushing box 2, and the auxiliary crushing blades 6 are staggered with the blades on the crushing roller 4. A discharge pipe 18 is connected to the bottom of the circumference of the crushing box 2, and a grinding box 19 is connected to the discharge pipe 18. Multiple grinding blocks 20 are fixed to the inner wall of the grinding box 19. A support rod 21 is fixed inside the discharge pipe 18, and a third motor 22 is installed on the support rod 21. A grinding stone 23 is installed at the output end of the third motor 22, and the grinding stone 23 is placed inside the grinding box 19. A control device is installed on the side wall of the support frame 1. The box and control box are used to control the start and stop of the first motor 5, the second motor 17, the third motor 22 and the fourth motor 29. When working, when crushing rice husks, after the rice husks enter the crushing box 2, the first motor 5 is started, which causes the rotating shaft 3 to drive the crushing roller 4 to rotate. With the cooperation of the auxiliary crushing blade 6, the rice husks can be crushed by the high-speed rotation of the crushing roller 4. The crushed rice husks will fall into the grinding box 19. Through the operation of the third motor 22, the grinding stone 23 is rotated. With the cooperation of the grinding block 20, the crushed rice husks can be further ground. Through the dual-stage processing of crushing and grinding, the processed rice husk particles are finer, realizing the fine processing of rice husk particles.

[0027] Please see Figure 1 and Figure 6As shown, a collection box 24 is provided on the bottom side of the support frame 1. A discharge port 33 is opened on one side wall of the collection box 24. Movable seats 25 are slidably mounted on both sides of the port of the collection box 24. A fixed frame 26 is fixedly connected to the two movable seats 25. A screen plate 27 is installed at the bottom end of the fixed frame 26. A support column 28 is fixedly connected to the bottom side of the support frame 1. A fourth motor 29 is installed on the support column 28. A rotating disk 30 is installed at the output end of the fourth motor 29. An eccentric rod is fixed on the rotating disk 30. A swing rod 31 is fitted on the eccentric rod. The other end of the swing rod 31 is hinged to a fixed seat 32, and the fixed seat 32 is fixed to the side wall of the fixed frame 26. During operation, when screening the crushed and ground rice husks, the crushed and ground rice husks are screened. Rice husks fall onto the screen plate 27 through the discharge pipe 18. The fourth motor 29 operates, causing the rotating disk 30 to rotate, which in turn drives the eccentric rod to swing back and forth. With the cooperation of the movable seat 25, the swing rod 31 drives the fixed frame 26 and the bottom screen plate 27 to swing back and forth, thereby screening the crushed and ground rice husks. Larger particles that fail to pass through the screen holes are retained on the screen plate 27, while smaller particles that pass through the screen holes fall into the collection box 24 for collection. Through screening, it can be ensured that the crushed rice husk particles are of uniform size and meet specific particle size requirements. This is crucial for subsequent processing, as uniform particle size can improve the taste and appearance quality of the product.

[0028] Working Principle: The existing rice husk crushing device is inconvenient to control the feed rate, making it difficult to maintain a stable material level in the crushing chamber. This leads to excessive or insufficient feed, affecting the crushing effect. Furthermore, existing rice husk crushing devices cannot dry the rice husks before crushing, and the moisture content of the rice husks significantly impacts the crushing effect. In high-humidity environments, rice husks easily stick together, causing blockages and reducing crushing efficiency. Therefore, this rice husk crushing device addresses these issues. When crushing rice husks, feed is added to the crushing chamber 2. The second motor 17 drives the hollow tube 10 to rotate the rotating body 11. When the guide bin 12 rotates to coincide with the opening of the feed hopper 9, the rice husks in the feed hopper 9 fall into the guide bin 12. As the guide bin 12 continues to rotate, when it coincides with the end of the guide pipe 7... The rice husks in the feed bin 12 fall into the crushing chamber 2 through the feed pipe 7. The rotation of the feed pipe allows for intermittent, quantitative feeding of the rice husks, which helps maintain a uniform distribution of the rice husks in the crushing chamber 2. This allows the blades to contact and crush the rice husks more efficiently, avoiding incomplete crushing due to excessive material in certain areas. By precisely controlling the feed amount, the crushing chamber is not blocked due to insufficient material or overload, greatly improving the crushing effect. During the feeding process, the blower 16, in conjunction with the heating wire 15, blows high-temperature gas into the hollow tube 10, and finally into the feed bin 12 containing the rice husks through the air outlet 13. This allows for the drying of the rice husks. The dried rice husks have a lower moisture content and reduced stickiness, reducing adhesion and clumping in the crushing chamber. The dried rice husks are loose and brittle, making them easier to crush in subsequent processes.

[0029] After the rice husks enter the crushing chamber 2, the first motor 5 is started to drive the rotating shaft 3 to rotate the crushing roller 4. With the assistance of the auxiliary crushing blades 6, the high-speed rotation of the crushing roller 4 can crush the rice husks. The crushed rice husks will fall into the grinding chamber 19. The third motor 22 will rotate the grinding stones 23. With the assistance of the grinding blocks 20, the crushed rice husks can be further ground. Through the two-stage processing of crushing and grinding, the processed rice husk particles are finer, achieving fine processing of rice husk particles. The crushed and ground rice husks will fall onto the screen plate 27 through the discharge pipe 18. The operation of the fourth motor 29 causes the rotating disk 30 to rotate, which in turn drives the eccentric rod to swing back and forth. With the cooperation of the movable seat 25, the swing rod 31 drives the fixed frame 26 and the bottom screen plate 27 to swing back and forth, thereby screening the crushed and ground rice husks. Larger particles that fail to pass through the screen holes are retained on the screen plate 27, while smaller particles that pass through the screen holes fall into the collection box 24 for collection. Through screening, it can be ensured that the crushed rice husk particles are of uniform size and meet specific particle size requirements. This is crucial for subsequent processing, as uniform particle size can improve the taste and appearance quality of the product.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rice hull pulverizing apparatus, characterized by: The utility model provides a kind of pulverizer, including support frame (1), the support frame (1) is fixedly connected with pulverizer box (2), the rotating shaft (3) is cooperatively installed in the pulverizer box (2) and is equipped with pulverizer roller (4), the first motor (5) is installed on the side wall of the pulverizer box (2), the output end of the first motor (5) is connected with one end of rotating shaft (3), the inner wall of the pulverizer box (2) is fixedly connected with multiple auxiliary crushing knives (6), and the auxiliary crushing knife (6) is staggered with the blade on the pulverizer roller (4), the circumferential surface top end of the pulverizer box (2) is connected with guide pipe (7), the top end of the guide pipe (7) is connected with cylinder (8), the circumferential surface top end of the cylinder (8) is connected with feed hopper (9), hollow pipe (10) is rotatably installed in the cylinder (8), the hollow pipe (10) is sleeved with rotating body (11), three guide bins (12) are formed in the rotating body (11), multiple air outlets (13) are formed in the hollow pipe (10), the second motor (17) is installed on the side wall of the cylinder (8), the output end of the second motor (17) is connected with one end of hollow pipe (10), the other side wall of the cylinder (8) is fixedly connected with two L-shaped plates, the shell (14) is fixedly connected between the two L-shaped plates, the shell (14) is rotatably installed at the end of the hollow pipe (10), the shell (14) is provided with heating wire (15), and the shell (14) is provided with air blower (16) in air inlet.

2. A rice hull comminution device as defined in claim 1, wherein: The circumferential surface bottom end of the pulverizer box (2) is connected with discharge pipe (18), the discharge pipe (18) is connected with grinding box (19), the inner wall of the grinding box (19) is fixedly connected with multiple grinding blocks (20), the support rod (21) is fixedly connected in the discharge pipe (18), the third motor (22) is installed on the support rod (21), the output end of the third motor (22) is installed with grinding stone (23), and the grinding stone (23) is arranged in the grinding box (19).

3. A rice hull comminution device as defined in claim 1, wherein: The bottom side of the support frame (1) is provided with collecting box (24), the side wall of the collecting box (24) is provided with discharge port (33), the end of the collecting box (24) is slidably provided with movable seat (25), the two movable seats (25) are fixedly connected with fixed frame (26), and the bottom end of the fixed frame (26) is provided with screen plate (27).

4. The rice hull comminution device of claim 1, wherein: The bottom side of the support frame (1) is fixedly connected with support column (28), the fourth motor (29) is installed on the support column (28), the output end of the fourth motor (29) is installed with rotating disc (30), and the eccentric rod is fixedly connected with the rotating disc (30).

5. A rice hull comminution device as defined in claim 4, wherein: The eccentric rod is sleeved with swing rod (31), the other end of the swing rod (31) is hingedly connected with fixed seat (32), and the fixed seat (32) is fixedly connected on the side wall of the fixed frame (26).

6. A rice hull comminution device as defined in claim 1, wherein: The side wall of the support frame (1) is provided with control box, and the control box is used to control the start-stop of the first motor (5), the second motor (17), the third motor (22) and the fourth motor (29).

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