Screening device for rice processing

Abstract

The screening device for rice processing comprises a screening box body, a screening assembly and an anti-blocking assembly, a feeding bin is arranged at the top of the screening box body, a discharging opening is formed in the bottom of the screening box body, a first impurity removing bin is arranged on one side of the screening box body, a first impurity removing opening is formed between the first impurity removing bin and the screening box body, and a second impurity removing opening is formed in the other side of the screening box body. A first impurity removal bin is arranged on one side wall of the screening box body, an impurity removal fan is arranged on the other side wall of the screening box body, the first impurity removal bin and the impurity removal fan are oppositely arranged, a second impurity removal bin is arranged at the position, below the impurity removal fan, of the side wall of the screening box body, a second impurity removal opening is formed between the second impurity removal bin and the screening box body, and the screening assembly and the anti-blocking assembly are arranged in the screening box body. The utility model relates to the technical field of rice processing, and particularly provides a screening device for rice processing.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a screening device for rice processing. Background Art

[0002] Rice is one of the most important staple foods in the world. It has high nutritional value, is rich in carbohydrates, and is one of the main sources of calories for the human body. During the production and processing of rice, it is often mixed with impurities such as sand, gravel, soil, coal dust, and rice straw, so it needs to be screened.

[0003] Existing screening devices often have some problems. It is not convenient to disassemble, clean and replace the screening plate, which causes the screening plate to be blocked, thereby affecting the screening quality and efficiency and increasing the maintenance cost. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the screening mesh plates of the existing screening equipment are difficult to clean, disassemble and replace.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes a screening device for rice processing, comprising a screening box, a screening assembly and an anti-blocking assembly, the top of the screening box is provided with a feed bin, the bottom of the screening box is provided with a discharge port, one side of the screening box is provided with an impurity removal bin, an impurity removal port is opened between the impurity removal bin and the screening box, the other side wall of the screening box is provided with an impurity removal fan, the impurity removal bin is arranged opposite to the impurity removal fan, the side wall of the screening box is provided with an impurity removal bin below the impurity removal fan, an impurity removal port is opened between the impurity removal bin and the screening box, and the screening assembly and the anti-blocking assembly are arranged inside the screening box.

[0006] Preferred technical solution one: the screening assembly includes a mounting frame and a screening mesh plate, the mounting frame is provided with two groups and is installed on opposite side walls of the screening box, the side walls of the mounting frame are provided with guide grooves, the two ends of the screening mesh plate are slidably arranged in the guide grooves in the two groups of mounting frames, the screening mesh plate is inclined, the screening mesh plate is provided with a spring pin, and the mounting frame is provided with a pin hole arranged corresponding to the spring pin.

[0007] Preferred technical solution two: The anti-blocking component includes a driving motor, a driving screw, a guide rod and a scraper, the two ends of the driving screw are rotatably arranged between the front and rear side walls inside the screening box, the driving motor is arranged on the rear wall of the screening box and the power output shaft is connected to the driving screw, the guide rod is arranged between the front and rear side walls inside the screening box, the driving screw is threadedly connected with a threaded block, the bottom of the threaded block passes through and is slidably arranged on the guide rod, and the scraper is arranged at the bottom of the threaded block.

[0008] Preferred technical solution three: an exhaust window is provided on one side of the debris removal bin one, and a storage box is provided through and slidably inside the debris removal bin one for collecting and cleaning lighter debris such as weeds and dust.

[0009] Optimal technical solution four: A discharge door is provided on one side of the impurity removal bin 2 for discharging impurities such as larger stones.

[0010] Preferred technical solution five: A control display screen is provided on the front wall of the screening box, the drive motor and the impurity removal fan are electrically connected to the control display screen, and a maintenance door is also hingedly provided on the front wall of the screening box.

[0011] The utility model proposes a rice processing screening device, which adopts the above structure to achieve the following beneficial effects:

[0012] (1) The first impurity removal bin and the impurity removal fan can screen and collect the lighter impurities such as weeds and dust in the rice; the second impurity removal bin can collect and process the larger stones and impurities that cannot be screened by the screening mesh plate;

[0013] (2) The anti-blocking component can scrape the screening mesh to prevent blocking, while preventing rice from piling up and improving screening efficiency.

[0014] (3) The mounting frame and the screening mesh plate are fixed by spring pins and pin holes, which is convenient for disassembly, replacement and adjustment of the size of the screen holes and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of a screening device for rice processing proposed by the utility model;

[0017] Figure 2 The internal structure of a rice processing screening device proposed by the utility model is shown in FIG. Figure 1 ;

[0018] Figure 3 The internal structure of a rice processing screening device proposed by the utility model is shown in FIG. Figure 2 ;

[0019] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A.

[0020] Among them, 1. screening box, 2. feed bin, 3. discharge port, 4. impurity removal bin 1, 5. impurity removal port 1, 6. impurity removal fan, 7. impurity removal bin 2, 8. impurity removal port 2, 9. mounting frame, 10. screening mesh plate, 11. spring pin, 12. drive screw, 13. guide rod, 14. scraper, 15. threaded block, 16. exhaust window, 17. storage box, 18. discharge door, 19. control display screen, 20. maintenance door. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] Embodiment 1

[0024] like Figures 1 to 4 As shown, the technical solution adopted by the utility model is as follows: a screening device for rice processing, comprising a screening box 1, a screening component and an anti-blocking component, a feeding bin 2 is provided on the top of the screening box 1, a discharge port 3 is provided on the bottom of the screening box 1, a de-impurity bin 4 is provided on one side of the screening box 1, a de-impurity port 5 is provided between the de-impurity bin 4 and the screening box 1, a de-impurity fan 6 is provided on the other side wall of the screening box 1, the de-impurity bin 4 is arranged opposite to the de-impurity fan 6, a de-impurity bin 2 7 is provided on the side wall of the screening box 1 below the de-impurity fan 6, and the de-impurity bin 2 7 and the de-impurity bin 2 7 are provided on the side wall of the screening box 1 A debris removal port 28 is provided between the screening box 1, and the screening component and the anti-blocking component are arranged inside the screening box 1; an exhaust window 16 is provided on one side of the debris removal bin 1 4, and a storage box 17 is penetrated and slidably provided in the debris removal bin 1 4 for collecting and cleaning lighter debris such as weeds and dust; a discharge door 18 is provided on one side of the debris removal bin 2 7 for discharging larger stones and other impurities; a control display screen 19 is provided on the front wall of the screening box 1, and the drive motor and the debris removal fan 6 are electrically connected to the control display screen 19, and a maintenance door 20 is also hingedly provided on the front wall of the screening box 1.

[0025] Embodiment 2

[0026] Based on the first embodiment, Figure 3 and Figure 4As shown, the screening assembly includes a mounting frame 9 and a screening mesh plate 10. The mounting frame 9 is provided with two groups and is installed on opposite side walls in the screening box 1. The side walls of the mounting frame 9 are provided with guide grooves. Both ends of the screening mesh plate 10 are slidably arranged in the guide grooves in the two groups of mounting frames 9. The screening mesh plate 10 is inclined. A spring pin 11 is provided on the screening mesh plate 10. The mounting frame 9 is provided with a pin hole corresponding to the spring pin 11.

[0027] The anti-blocking component includes a driving motor, a driving screw 12, a guide rod 13 and a scraper 14. The two ends of the driving screw 12 are rotatably arranged between the front and rear side walls inside the screening box 1. The driving motor is arranged on the rear wall of the screening box 1 and the power output shaft is connected to the driving screw 12. The guide rod 13 is arranged between the front and rear side walls inside the screening box 1. The driving screw 12 is threadedly connected with a thread block 15. The bottom of the thread block 15 penetrates and is slidably arranged on the guide rod 13. The scraper 14 is arranged at the bottom of the thread block 15.

[0028] During specific use, rice is added into the screening box 1 through the feed bin 2, and the impurity removal fan 6 is started, so that lighter impurities such as weeds and dust in the rice during the falling process enter the impurity removal bin 4 through the impurity removal port 5, and are collected by the storage box 17. Then, the rice is rolled and screened on the inclined screening mesh plate 10 and falls to the bottom, and is discharged through the discharge port 3. The larger stone impurities screened out are collected and processed by the impurity removal bin 7. At the same time, the driving motor is started to drive the driving screw 12 to rotate, thereby driving the scraper 14 to scrape the screening mesh plate 10 to prevent the screening mesh plate from being blocked, and at the same time prevent rice accumulation, thereby improving the screening efficiency.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for rice processing, characterized in that: It includes a screening box, a screening component and an anti-blocking component. The top of the screening box is provided with a feed bin, the bottom of the screening box is provided with a discharge port, one side of the screening box is provided with a first impurity removal bin, a first impurity removal port is opened between the first impurity removal bin and the screening box, the other side wall of the screening box is provided with an impurity removal fan, the first impurity removal bin is arranged opposite to the impurity removal fan, the side wall of the screening box is provided with a second impurity removal bin below the impurity removal fan, a second impurity removal port is opened between the second impurity removal bin and the screening box, and the screening component and the anti-blocking component are arranged inside the screening box.

2. A rice processing screening device according to claim 1, characterized in that: The screening assembly includes a mounting frame and a screening mesh plate. The mounting frame is provided with two groups and is installed on opposite side walls in the screening box. The side walls of the mounting frame are provided with guide grooves. Both ends of the screening mesh plate are slidably arranged in the guide grooves in the two groups of mounting frames. The screening mesh plate is inclined. A spring pin is provided on the screening mesh plate. The mounting frame is provided with a pin hole arranged corresponding to the spring pin.

3. A rice processing screening device according to claim 2, characterized in that: The anti-blocking component includes a driving motor, a driving screw, a guide rod and a scraper. Both ends of the driving screw are rotatably arranged between the front and rear side walls inside the screening box. The driving motor is arranged on the rear wall of the screening box and the power output shaft is connected to the driving screw. The guide rod is arranged between the front and rear side walls inside the screening box. A threaded block is threadedly connected to the driving screw. The bottom of the threaded block penetrates and is slidably arranged on the guide rod. The scraper is arranged at the bottom of the threaded block.

4. A rice processing screening device according to claim 3, characterized in that: An exhaust window is arranged on one side of the first impurity removal bin, and a storage box is slidably arranged through the first impurity removal bin.

5. A rice processing screening device according to claim 4, characterized in that: A discharge door is provided on one side of the second impurity removal bin.

6. A rice processing screening device according to claim 5, characterized in that: A control display screen is provided on the front wall of the screening box, and the drive motor and the impurity removal fan are electrically connected to the control display screen. A maintenance door is also hingedly provided on the front wall of the screening box.

Images