A new type of secondary iron removal device for rice processing
Patent Information
- Application Number
- CN202521910881.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-05
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-09-05
AI Technical Summary
[0002]在大米加工过程中,除铁工序通常使用强力磁铁来拦截铁块等金属杂物,当原粮从入料口进入圆筒筛时,强力磁铁会拦截其中的铁钉、铁屑等金属杂物,确保只有纯净的稻谷进入后续加工环节,但是在实际应用时,大米落料的速度过快,同时,部分大米中裹挟的铁屑颗粒被其他物质包裹,进而使得此类铁屑不易被磁铁吸附,导致分离效果差,仍然会导致部分铁屑存在大米中,为此本申请提出一种米加工用新型次选除铁装置
[0012] The beneficial effects of this invention are as follows: The vibration generated by the oscillating component enables a series of processing operations on the rice, including breaking it up, slowing it down, and tossing it. This fully exposes the iron particles mixed in with the rice. Simultaneously, the rice is evenly distributed on the surface of the magnetic separator. The raised structure on the outside of the magnetic separator reduces the flow speed of the rice, thus promoting better contact between the iron particles inside the rice and the magnetic separator, effectively improving the processing efficiency of the magnetic separator. Furthermore, the pushing and scraping parts at one end of the elastic plate thoroughly remove the iron particles adsorbed on the outside of the magnetic separator, ensuring the subsequent iron removal effect of the magnetic separator on the rice is guaranteed.
Smart Images

Figure CN224712206U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rice iron removal and screening technology, and in particular to a novel secondary iron removal device for rice processing. Background Technology
[0002] In rice processing, the iron removal process typically uses powerful magnets to intercept metal impurities such as iron blocks. When the raw grain enters the cylindrical screen from the feed inlet, the powerful magnets intercept metal impurities such as iron nails and iron filings, ensuring that only pure rice enters the subsequent processing stage. However, in actual applications, the rice falls too quickly, and some iron filings encased in the rice are wrapped by other substances, making it difficult for these iron filings to be attracted by the magnets, resulting in poor separation and some iron filings still remaining in the rice. Therefore, this application proposes a novel secondary iron removal device for rice processing. Utility Model Content
[0003] The purpose of this invention is to provide a novel secondary iron removal device for rice processing to solve the problems mentioned in the background art.
[0004] To address the above problems, this utility model provides a technical solution:
[0005] A novel secondary iron removal device for rice processing includes a frame, with fixed columns symmetrically fixedly connected to the top of the frame. Each fixed column has a spring column fixedly connected to one side, and a guide hopper is installed between the multiple spring columns. A magnetic separator is rotatably connected to the inner side of the frame and below the guide hopper. A magnetic separation mechanism is used to adsorb iron particles entrained in the rice and is connected to the magnetic separator. A cleaning mechanism is used to scrape off the iron particles on the outside of the magnetic separator and is connected to the frame and the magnetic separator.
[0006] As a preferred embodiment of the present invention, the magnetic separation mechanism includes a mounting base fixed to the top of the frame, a fixed shaft fixedly connected inside the mounting base, one end of the fixed shaft extending into the magnetic separation cylinder and fixedly connected to a magnet frame, and a fan-shaped magnet fixedly connected to the outside of the magnet frame.
[0007] As a preferred embodiment of this utility model, the outer side of the magnetic separator is fixedly connected with protrusions at equal intervals.
[0008] As a preferred embodiment of the present invention, the cleaning mechanism includes a beam plate fixed on the frame, an elastic plate fixedly connected to the top of the beam plate, a pushing part fixedly connected to one end of the elastic plate, and a scraper part fixedly connected to one end of the elastic plate away from the pushing part.
[0009] In a preferred embodiment of this utility model, both the pushing part and the scraper part are in contact with the outer wall of the magnetic separator, and an inner recess adapted to the protrusion is provided between the pushing part and the scraper part.
[0010] In a preferred embodiment of this utility model, a base is fixedly connected to the top of the magnetic separator, a motor is fixedly connected to one side of the base, a gearbox is fixedly connected to the side of the base away from the motor, the output end of the motor is fixedly connected to the drive shaft of the gearbox, and the output shaft of the gearbox is fixedly connected to the central shaft of the magnetic separator.
[0011] As a preferred embodiment of this utility model, a vibration motor is fixedly connected to the bottom of the guide hopper, and a vibrating spring is fixedly connected to the top of the guide hopper at equal intervals.
[0012] The beneficial effects of this invention are as follows: The vibration generated by the oscillating component enables a series of processing operations on the rice, including breaking it up, slowing it down, and tossing it. This fully exposes the iron particles mixed in with the rice. Simultaneously, the rice is evenly distributed on the surface of the magnetic separator. The raised structure on the outside of the magnetic separator reduces the flow speed of the rice, thus promoting better contact between the iron particles inside the rice and the magnetic separator, effectively improving the processing efficiency of the magnetic separator. Furthermore, the pushing and scraping parts at one end of the elastic plate thoroughly remove the iron particles adsorbed on the outside of the magnetic separator, ensuring the subsequent iron removal effect of the magnetic separator on the rice is guaranteed. Attached Figure Description
[0013] For ease of explanation, this utility model is described in detail below with reference to the specific embodiments and accompanying drawings.
[0014] Figure 1 This is a frontal view of the secondary iron removal device of this utility model;
[0015] Figure 2 This is a rear view of the secondary iron removal device of this utility model;
[0016] Figure 3 This is a schematic diagram of the internal structure of the magnetic separator of this utility model;
[0017] Figure 4 This is a utility model Figure 3 Enlarged view of point A in the middle.
[0018] In the diagram: 1. Frame; 2. Guide hopper; 3. Elastic column; 4. Vibration motor; 5. Vibration spring section; 6. Magnetic separator; 601. Protrusion; 7. Base; 8. Motor; 9. Gearbox; 10. Mounting base; 11. Fixed shaft; 12. Magnet frame; 13. Sector magnet; 14. Beam plate; 15. Elastic plate; 16. Pushing section; 17. Scraper section. Detailed Implementation
[0019] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.
[0020] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0021] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples" 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. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification and the features of the different embodiments or examples.
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0023] Example
[0024] Please see Figure 1 and Figure 2 This utility model provides a technical solution: a novel secondary iron removal device for rice processing, comprising a frame 1, with fixed columns symmetrically fixedly connected to the top of the frame 1, and elastic columns 3 fixedly connected to one side of each fixed column. A guide hopper 2 is installed between the multiple elastic columns 3, and a vibration motor 4 is fixedly connected to the bottom of the guide hopper 2. Vibrating springs 5 are equidistantly fixedly connected to the top of the guide hopper 2. The elastic columns 3 are made of polyurethane or rubber, which not only provide support but also, in conjunction with the vibration of the vibration motor 4, drive the guide hopper 2 to vibrate. The vibration springs on the guide hopper 2... Part 5 can agitate the rice as it passes through, which not only prevents the rice from caking but also fully separates the iron filings and impurities trapped in the rice. At the same time, the rice, after being shaken, can be evenly scattered on the surface of the magnetic separator 6, thus facilitating subsequent magnetic separation. The magnetic separator 6 is rotatably connected to the inner side of the frame 1 and below the feed hopper 2. The magnetic separation mechanism is used to adsorb the iron filings trapped in the rice and is connected to the magnetic separator 6. The cleaning mechanism is used to scrape off the iron filings on the outside of the magnetic separator 6 and is connected to the frame 1 and the magnetic separator 6.
[0025] In this embodiment, as Figures 2 to 4 The magnetic separation mechanism includes a mounting base 10 fixed to the top of the frame 1. A fixed shaft 11 is fixedly connected inside the mounting base 10. One end of the fixed shaft 11 extends into the magnetic separation cylinder 6 and is fixedly connected to a magnet frame 12. A sector magnet 13 is fixedly connected to the outside of the magnet frame 12. Since the sector magnet 13 is arranged on one side of the rotation direction of the magnetic separation cylinder 6, it can adsorb iron filings in the rice. At the same time, since the sector magnet 13 is a non-ring structure, as the magnetic separation cylinder 6 rotates, the iron filings on its outside can be quickly demagnetized when they pass through the part where the sector magnet 13 is not arranged, thus facilitating separation from the magnetic separation cylinder 6. Protrusions 601 are fixedly connected at equal intervals on the outside of the magnetic separation cylinder 6. The protrusions 601 can reduce the flow speed of the rice on the outside of the magnetic separation cylinder 6, thereby promoting better contact between the iron filings inside the rice and the magnetic separation cylinder 6, effectively improving the processing effect of the magnetic separation cylinder 6 on the rice.
[0026] In this embodiment, as Figure 3 and Figure 4The cleaning mechanism includes a beam plate 14 fixed to the frame 1. An elastic plate 15 is fixedly connected to the top of the beam plate 14. A pushing part 16 is fixedly connected to one end of the elastic plate 15. A scraper part 17 is fixedly connected to one end of the elastic plate 15 away from the pushing part 16. Both the pushing part 16 and the scraper part 17 are in contact with the outer wall of the magnetic separator 6. A concave portion adapted to the protrusion 601 is provided between the pushing part 16 and the scraper part 17. Because the elastic plate 15 has a certain elasticity, Furthermore, a recessed portion that mates with the protrusion 601 is provided between the pushing portion 16 and the scraper portion 17. Therefore, when the magnetic separator 6 and the protrusion 601 pass through the pushing portion 16 and the scraper portion 17, the pushing portion 16 can push the iron filings on the surface of the magnetic separator 6, causing them to separate from the magnetic separator 6. Meanwhile, the scraper portion 17 can fit tightly against the outer wall of the magnetic separator 6, further removing fine iron filings and ensuring that the surface of the magnetic separator 6 is thoroughly cleaned, thus guaranteeing the effectiveness of subsequent magnetic separation of rice.
[0027] In this embodiment, as Figure 1 and Figure 2 The top of the magnetic separator 6 is fixedly connected to a base 7. A motor 8 is fixedly connected to one side of the base 7. A gearbox 9 is fixedly connected to the side of the base 7 away from the motor 8. The output end of the motor 8 is fixedly connected to the drive shaft of the gearbox 9. The output shaft of the gearbox 9 is fixedly connected to the central shaft of the magnetic separator 6. The motor 8 and the gearbox 9 can drive the magnetic separator 6 to rotate inside the frame 1, and thus cooperate with the fan-shaped magnet 13 inside to perform magnetic separation processing on the rice.
[0028] In summary: When the vibration motor 4 is started, the guide hopper 2 is connected to the fixed column at the top of the frame 1 via the elastic column 3. The elastic column 3, while providing support, also works with the vibration motor 4 to vibrate the guide hopper 2. After the rice enters the guide hopper 2, the vibrating spring 5 at the top of the guide hopper 2 throws the rice up during the vibration process. This operation not only prevents the rice from caking but also allows for the thorough separation of iron filings and impurities carried in the rice. After vibration treatment, the rice is evenly distributed on the surface of the magnetic separator 6 located below the guide hopper 2. After the motor 8 starts, it works with the gearbox 9 to drive the magnetic separator 6 to rotate inside the frame 1. Since the sector magnet 13 is arranged on one side of the rotation direction of the magnetic separator 6, when the magnetic separator 6 rotates, the sector magnet 13 will attract iron filings from the rice passing through its corresponding position. At the same time, the protrusion 601 on the outer side of the magnetic separator 6 can reduce the amount of rice on its surface. The increased flow rate of the surface promotes better contact between the iron filings inside the rice and the magnetic separator 6, effectively improving the magnetic separation effect. In addition, since the sector magnet 13 has a non-ring structure, as the magnetic separator 6 continues to rotate, the iron filings adsorbed on its outer side will be quickly demagnetized when passing through the area where the sector magnet 13 is not arranged, which facilitates subsequent cleaning. During the rotation of the magnetic separator 6, the elastic plate 15 fixed on the beam plate 14 of the frame 1 plays a role. The pushing part 16 and the scraper part 17 at one end of the elastic plate 15 are in contact with the outer wall of the magnetic separator 6. When the magnetic separator 6 and the protrusion 601 pass through the pushing part 16 and the scraper part 17, the pushing part 16 will push the iron filings on the surface of the magnetic separator 6 and separate them from the magnetic separator 6 due to the elasticity of the elastic plate 15; the scraper part 17 will be in close contact with the outer wall of the magnetic separator 6 to further remove fine iron filings, ensuring the cleanliness of the surface of the magnetic separator 6 and ensuring the subsequent magnetic separation effect on the rice.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A novel secondary iron removal device for rice processing, comprising a frame (1), characterized in that, The top of the frame (1) is symmetrically fixed with fixed columns, and each fixed column is fixedly connected with an elastic column (3) on one side. A guide hopper (2) is installed between multiple elastic columns (3). A magnetic separator (6) is rotatably connected to the inner side of the frame (1) and below the guide hopper (2). A magnetic separation mechanism is used to adsorb iron filings trapped in rice. The magnetic separation mechanism is connected to a magnetic separation cylinder (6). A cleaning mechanism is used to scrape off iron filings from the outside of the magnetic separator (6). The cleaning mechanism is connected to the frame (1) and the magnetic separator (6). The magnetic separation mechanism includes a mounting base (10) fixed on the top of the frame (1), a fixed shaft (11) is fixedly connected inside the mounting base (10), one end of the fixed shaft (11) extends into the magnetic separation cylinder (6) and is fixedly connected to a magnet frame (12), and a fan-shaped magnet (13) is fixedly connected to the outside of the magnet frame (12). The magnetic separator (6) has protrusions (601) fixedly connected at equal intervals on its outer side. The bottom of the guide hopper (2) is fixedly connected to a vibration motor (4), and the top of the guide hopper (2) is fixedly connected to a vibrating spring (5) at equal intervals.
2. The novel secondary iron removal device for rice processing according to claim 1, characterized in that, The cleaning mechanism includes a beam plate (14) fixed on the frame (1), an elastic plate (15) fixedly connected to the top of the beam plate (14), a pushing part (16) fixedly connected to one end of the elastic plate (15), and a scraper part (17) fixedly connected to one end of the elastic plate (15) and the side away from the pushing part (16).
3. The novel secondary iron removal device for rice processing according to claim 2, characterized in that, Both the pushing part (16) and the scraper part (17) are in contact with the outer wall of the magnetic separator (6), and a concave part adapted to the protrusion (601) is provided between the pushing part (16) and the scraper part (17).
4. The novel secondary iron removal device for rice processing according to claim 1, characterized in that, The top of the magnetic separator (6) is fixedly connected to a base (7), a motor (8) is fixedly connected to one side of the base (7), a gearbox (9) is fixedly connected to the side of the base (7) away from the motor (8), the output end of the motor (8) is fixedly connected to the drive shaft of the gearbox (9), and the output shaft of the gearbox (9) is fixedly connected to the central shaft of the magnetic separator (6).