Anti-blocking multi-stage screening machine for rice powder processing

By employing a dispersion mechanism, a dredging mechanism, and a double-layer screen design, combined with wind-powered separation and a vibration motor, the problems of impurity separation and hopper blockage in rice noodle processing have been solved, achieving efficient impurity classification and collection and improving the purity of rice.

CN224321845UActive Publication Date: 2026-06-05YULIN SHENGFANG AGRICULTURAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YULIN SHENGFANG AGRICULTURAL TECHNOLOGY CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Traditional rice noodle processing equipment struggles to effectively separate impurities such as stones that are similar in size to rice grains, and lacks a sorting and collection function, which can easily lead to secondary mixing of impurities, clogging of the feed hopper, and affect the stability of the feeding process.

Method used

The feeding hopper is prevented from being blocked by a dispersing and unblocking mechanism. Combined with a double-layer screen and air duct design, different particle impurities are intercepted in stages. The dispersing motor and vibration motor ensure continuous feeding. The air force is used to separate empty shells and branches and leaves, and impurities are collected in categories.

Benefits of technology

It achieves layered removal of empty shells, branches, leaves, and small particle impurities, intercepts large and small pebbles in stages, improves the stone removal rate, prevents hopper blockage, ensures stable feeding, and improves the purity of rice.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224321845U_ABST
    Figure CN224321845U_ABST
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Abstract

The utility model relates to rice powder processing technology field, and the dispersion mechanism is located in the feed pipe, the dredging mechanism is located in the feed hopper, the vibration motor is fixed on the front and back side wall of box respectively, the aperture of upper screen is greater than the aperture of lower screen setting, the air duct is connected with the left side wall of box through -penetration respectively, the air duct is set up in the upper side of screen, a plurality of fans are fixed in the upper end of air duct, the bottom of second collecting hopper is connected with the bottom of air duct through -penetration respectively, the bottom of second collecting hopper is screwed and has the collecting jar, the layered clearance empty shell, branch leaf and small particle impurity, the stage interception big particle stone and small particle stone, promote stone screen rate, prevent the feed hopper from blocking, ensure the continuous and stable of discharging, classify the collection different impurity, avoid secondary pollution, improve the rice purity.
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Description

Technical Field

[0001] This utility model relates to the field of rice noodle processing technology, specifically to a multi-stage screening machine for rice noodle processing that prevents clogging. Background Technology

[0002] In the rice noodle processing process, rice screening is a key step in ensuring product quality. Traditional screening equipment usually uses vibrating screens or air separation to remove impurities, but it is difficult to effectively separate stones with a particle size similar to rice grains, and it lacks classification and collection functions, which can easily cause impurities to be mixed in again. Therefore, a multi-stage screening machine for rice noodle processing that prevents clogging is proposed. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a multi-stage screening machine for rice noodle processing that prevents clogging. This machine removes empty shells, branches, and small particles of impurities in layers, intercepts large and small pebbles in stages to improve the stone removal rate, prevents clogging of the feed hopper, ensures continuous and stable feeding, classifies and collects different impurities, avoids secondary pollution, and improves the purity of rice.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a box body, a feed pipe, and a feed hopper; a feed pipe is connected through the top plate of the box body, and a feed hopper is provided on the feed pipe;

[0005] It also includes:

[0006] A dispersing mechanism, wherein the dispersing mechanism is disposed inside the feed pipe;

[0007] A dredging mechanism, wherein the dredging mechanism is located inside the feed hopper;

[0008] Two vibration motors are provided, and they are fixed on the front and rear side walls of the housing respectively. The vibration motors are connected to an external power source.

[0009] The screens are two in number and are fixed to the inner wall of the box, one above the other. The screens are inclined from left to right, from low to high. The aperture of the upper screen is larger than that of the lower screen. A collection box is provided at the bottom of the lower screen, and a door is provided on the front side wall of the box in front of the collection box.

[0010] There are two air ducts, each connected to the left side wall of the housing. The air ducts are arranged in an arc shape from left to right, sloping from high to low. The air ducts are located above the screen. Several fans are fixed at the upper end of the air ducts and are connected to an external power source. A protective net is provided above the fans.

[0011] There are two No. 2 collection hoppers, each of which is connected to the bottom of the air duct; a collection tank is screwed to the bottom of the No. 2 collection hopper.

[0012] Two guide hoppers are provided, each connected through the right side wall of the housing; the guide hoppers are positioned above the screen.

[0013] Preferably, the dispersing mechanism comprises:

[0014] The dispersing motor is fixed to the front side wall of the feed pipe by a bracket and is connected to an external power source.

[0015] The rotating shaft is screwed onto the front and rear side walls of the feed pipe via bearings, and the rotating shaft is connected to the output shaft of the dispersing motor.

[0016] The dispersion plates are a plurality of each other and are fixed on the rotating shaft in a ring. The front and rear side walls of the dispersion plates abut against the front and rear inner side walls of the feed pipe, respectively. The left and right side walls of the feed pipe are provided with arcs that match the rotation trajectory of the outer side walls of the dispersion plates.

[0017] Preferably, the unblocking mechanism comprises:

[0018] The fixing frame is fixed to the top right side of the box body, and a sliding groove is provided on the front side wall of the fixing frame;

[0019] The lifting rod is movably inserted into the slide groove.

[0020] The unblocking motor is located at the rear of the fixed frame and is fixed to the housing by the bracket. The unblocking motor is connected to an external power source.

[0021] A connecting frame, wherein the connecting frame is fixed on a fixed frame;

[0022] The rotating plate is located on the front side of the connecting frame. The output shaft of the unblocking motor passes through the connecting frame and is connected to the rotating plate.

[0023] The No. 1 connecting plate is fixed on the lifting rod and is spun to the rotating plate via a shaft and bearing.

[0024] A connecting rod, wherein the connecting rod is fixed to the front side of the lifting rod;

[0025] The second connecting plate is fixed to the second connecting rod, and the second connecting plate is located inside the feed hopper;

[0026] The tapered rods, numbering several, are fixed to the bottom of the second connecting plate.

[0027] Preferably, the bottom of the collection box is fixed with several casters, the casters have built-in locking devices, and handles are fixed to the upper ends of the front and rear side walls of the collection box.

[0028] Preferably, the bottom of the lower screen is located at the No. 1 collection hopper, which is fixed to the inner wall of the box, and the outlet of the No. 1 collection hopper is located on the upper right side of the lower screen.

[0029] Preferably, the bottom of the upper guide hopper is threadedly connected to a collection pipe, and the bottom of the collection pipe is provided with a filter screen.

[0030] Compared with the prior art, the beneficial effects of this utility model are:

[0031] 1. Remove empty shells, branches, leaves, and small particles of impurities in layers, and intercept large and small pebbles in stages to improve the stone removal rate.

[0032] 2. Prevent clogging of the feed hopper, ensure continuous and stable feeding, classify and collect different impurities, avoid secondary pollution, and improve the purity of rice. Attached Figure Description

[0033] Figure 1 This is the southeast isometric view of this utility model.

[0034] Figure 2 yes Figure 1 Enlarged view of part A in the image.

[0035] Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0036] Figure 4 yes Figure 3 Enlarged view of part B in the image.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1. Box body; 2. Feed pipe; 3. Feed hopper; 4. Dispersion mechanism; 4-1. Dispersion motor; 4-2. Rotating shaft; 4-3. Dispersion plate; 5. Unblocking mechanism; 5-1. Fixing frame; 5-2. Slide rail; 5-3. Lifting rod; 5-4. Unblocking motor; 5-5. Connecting frame; 5-6. Rotating plate; 5-7. No. 1 connecting plate; 5-8. No. 2 connecting plate; 5-9. Cone rod; 5-10. Vibration motor; 6. Screen; 7. Collection box; 8. Door; 9. Casters; 10. Handle; 11. No. 1 collection hopper; 12. Air guide pipe; 13. Fan; 14. No. 2 collection hopper; 15. Collection tank; 16. Guide hopper; 17. Collection pipe; 18. Filter screen; 19. Detailed Implementation

[0039] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] The specific implementation method adopts the following technical solution:

[0041] Please see Figure 1-4 This embodiment includes a box body 1, a feed pipe 2, and a feed hopper 3; the feed pipe 2 is connected through the top plate of the box body 1, and the feed hopper 3 is provided on the feed pipe 2;

[0042] It also includes:

[0043] Dispersion mechanism 4, wherein the dispersion mechanism 4 is disposed within the feed pipe 2; the dispersion mechanism 4 comprises:

[0044] The dispersing motor 4-1 is fixed to the front side wall of the feed pipe 2 by a bracket. The dispersing motor 4-1 is connected to an external power supply. The specific model of the dispersing motor 4-1 is purchased and installed directly from the market according to the actual usage requirements.

[0045] The rotating shaft 4-2 is screwed onto the front and rear side walls of the feed pipe 2 via bearings, and the rotating shaft 4-2 is connected to the output shaft of the dispersing motor 4-1;

[0046] The dispersion plate 4-3 is a plurality of such plates, which are fixed on the rotating shaft 4-2 in a ring. The front and rear side walls of the dispersion plate 4-3 abut against the front and rear inner side walls of the feed pipe 2, respectively. The left and right side walls of the feed pipe 2 are provided with arcs that match the rotation trajectory of the outer side wall of the dispersion plate 4-3.

[0047] The unblocking mechanism 5 is disposed inside the feed hopper 3; the unblocking mechanism 5 includes:

[0048] The fixing frame 5-1 is fixed to the top right side of the box body 1, and the front side wall of the fixing frame 5-1 is provided with a sliding groove 5-2;

[0049] The lifting rod 5-3 is movably inserted into the sliding groove 5-2;

[0050] The unblocking motor 5-4 is located on the rear side of the fixing frame 5-1. The unblocking motor 5-4 is fixed to the box 1 by the bracket. The unblocking motor 5-4 is connected to an external power supply. The specific model of the unblocking motor 5-4 is purchased, installed and used directly from the market according to the actual use requirements.

[0051] Connecting frame 5-5, which is fixed on fixing frame 5-1;

[0052] Rotating plate 5-6 is located on the front side of connecting frame 5-5. The output shaft of unblocking motor 5-4 passes through connecting frame 5-5 and is connected to rotating plate 5-6.

[0053] Connecting plate 5-7 is fixed on lifting rod 5-3 and is screwed to rotating plate 5-6 via shaft and bearing.

[0054] Connecting rod 5-8, which is fixed to the front side of lifting rod 5-3;

[0055] The second connecting plate 5-9 is fixed to the second connecting rod 5-8, and the second connecting plate 5-9 is located inside the feed hopper 3;

[0056] The tapered rods 5-10 are numerous and are respectively fixed to the bottom of the second connecting plate 5-9 by bolts;

[0057] Vibration motor 6, there are two vibration motors 6, which are fixed on the front and rear side walls of the housing 1 respectively. The vibration motor 6 is connected to an external power source. The specific model of the vibration motor 6 is purchased and installed directly from the market according to the actual use requirements.

[0058] Two sieves 7 are fixed to the inner wall of the box 1, one above the other. The sieves 7 are inclined from left to right, from low to high. The aperture of the upper sieve 7 is larger than that of the lower sieve 7. A collection box 8 is provided at the bottom of the lower sieve 7. A door 9 is provided on the front side wall of the box 1 in front of the collection box 8. Several casters 10 are fixed at the bottom of the collection box 8. The casters 10 have built-in locking devices. Handles 11 are fixed at the upper ends of the front and rear side walls of the collection box 8. The bottom of the lower sieve 7 is located at the first collection hopper 12. The first collection hopper 12 is fixed to the inner wall of the box 1. The outlet of the first collection hopper 12 is located on the upper right side of the lower sieve 7.

[0059] There are two air ducts 13, which are respectively connected to the left side wall of the housing 1. The air ducts 13 are arranged in an arc shape from left to right, from high to low, and are located above the screen 7. Several fans 14 are fixed at the upper end of the air ducts 13. The fans 14 are connected to an external power supply. The specific model of the fans 14 is purchased and installed directly from the market according to the actual use requirements. A protective net is provided above the fans 14.

[0060] There are two No. 2 collection hoppers 15, and each of them is connected to the bottom of the air duct 13. The bottom of the No. 2 collection hopper 15 is connected to a collection tank 16 by a thread.

[0061] There are two guide buckets 17, which are respectively connected through the right side wall of the box 1; the guide buckets 17 are located above the screen 7; the bottom of the upper guide bucket 17 is connected to the collection pipe 18 by thread, and the bottom of the collection pipe 18 is provided with a filter screen 19.

[0062] When using this utility model, feed rice into the feeding hopper 3, start the dispersing motor 4-1 to make the rotating shaft 4-2 rotate, which drives the dispersing plate 4-3 to rotate, so that the rice in the feeding hopper 3 falls intermittently; start the unblocking motor 5-4 to make the rotating plate 5-6 rotate, and under the action of the chute 5-2, the lifting rod 5-3 moves up and down, which drives the cone rod 5-10 to move up and down in the rice in the feeding hopper 3, so as to prevent the rice in the feeding hopper 3 from being blocked and not falling.

[0063] Start the vibration motor 6 and fan 14. The wind force of the upper fan 14 is less than that of the lower fan 14. The rice falls onto the upper screen 7. The air blown by the upper fan 14 and the air guide pipe 13 blows the empty husks and branches in the rice into the upper guide hopper 17 for discharge. They are then intercepted and collected by the collection pipe 18 and the filter screen 19. Large pebbles are intercepted by the upper screen 7 and slide down into the upper second collection hopper 15 and enter the upper collection tank 16.

[0064] After being screened once, the rice passes through the first collection hopper 12 and falls onto the screen 7 below. Small stones pass directly through the screen 7 and fall into the collection box 8. The rice, being less dense, is blown away and discharged through the guide hopper 17 below for collection. Stones that cannot be screened slide into the second collection hopper 15 below and enter the collection tank 16 below, so that stones of similar size to the rice can also be screened out.

[0065] Compared with the prior art, the beneficial effects of this utility model are:

[0066] 1. The dispersing motor 4-1 drives the dispersing plate 4-3 to rotate, which in turn drives the cone rod 5-10 to move up and down with the unblocking motor 5-4, effectively preventing the feed hopper 3 from getting blocked and ensuring continuous and stable feeding.

[0067] 2. The double-layer fan 14 design features a smaller airflow at the top and a larger airflow at the bottom. Combined with the air duct 13 and the air guide hopper 17, it removes empty shells, branches, and small particle impurities in layers, resulting in finer screening.

[0068] 3. Set up upper and lower double-layer screens 7 and No. 2 collection hopper 15 to intercept large and small pebbles in stages and improve the stone removal rate.

[0069] 4. Different impurities are collected separately through the No. 1 collection hopper 12, collection tank 16 and collection box 8 to avoid secondary pollution and improve the purity of rice.

[0070] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A multi-stage screening machine for rice noodle processing to prevent clogging, comprising a housing (1), a feed pipe (2) and a feed hopper (3); the feed pipe (2) is connected through the top plate of the housing (1), and the feed hopper (3) is provided on the feed pipe (2). Its features are, It also includes: Dispersion mechanism (4), wherein the dispersion mechanism (4) is disposed inside the feed pipe (2); The unblocking mechanism (5) is located inside the feed hopper (3); Vibration motor (6), there are two vibration motors (6), which are respectively fixed on the front and rear side walls of the housing (1), and the vibration motors (6) are connected to an external power source. Two screens (7) are fixed on the inner wall of the box (1) respectively, one above the other. The screens (7) are arranged at an angle from left to right, from low to high. The aperture of the upper screen (7) is larger than that of the lower screen (7). A collection box (8) is provided at the bottom of the lower screen (7). A door (9) is opened on the front wall of the box (1) in front of the collection box (8). There are two air ducts (13), which are connected to the left side wall of the box (1) respectively. The air ducts (13) are arranged in an arc shape from left to right, from high to low. The air ducts (13) are located above the screen (7). Several fans (14) are fixed at the upper end of the air ducts (13). The fans (14) are connected to an external power supply. A protective net is provided above the fans (14). The second collection hopper (15) consists of two hoppers, each connected to the bottom of the air duct (13). The bottom of the second collection hopper (15) is connected to a collection tank (16) by a thread. The number of the guide buckets (17) is two, and they are respectively connected through the right side wall of the box (1); the guide buckets (17) are located above the screen (7).

2. The anti-clogging multi-stage screening machine for rice noodle processing according to claim 1, characterized in that: The dispersive mechanism (4) comprises: The dispersing motor (4-1) is fixed to the front side wall of the feed pipe (2) by a bracket and is connected to an external power source. The rotating shaft (4-2) is screwed onto the front and rear side walls of the feed pipe (2) via bearings, and the rotating shaft (4-2) is connected to the output shaft of the dispersing motor (4-1); The dispersion plate (4-3) is a plurality of such plates, which are fixed in a ring on the rotating shaft (4-2). The front and rear side walls of the dispersion plate (4-3) abut against the front and rear inner side walls of the feed pipe (2), and the left and right side walls of the feed pipe (2) are provided with arcs that match the rotation trajectory of the outer side wall of the dispersion plate (4-3).

3. The anti-clogging multi-stage screening machine for rice noodle processing according to claim 1, characterized in that: The aforementioned unblocking mechanism (5) includes: The fixing frame (5-1) is fixed to the top right side of the box (1), and a sliding groove (5-2) is provided on the front side wall of the fixing frame (5-1). The lifting rod (5-3) is movably inserted into the slide groove (5-2); The unblocking motor (5-4) is located on the rear side of the fixed frame (5-1). The unblocking motor (5-4) is fixed on the box (1) by the bracket. The unblocking motor (5-4) is connected to an external power source. Connecting frame (5-5), which is fixed on the fixing frame (5-1); The rotating plate (5-6) is located on the front side of the connecting frame (5-5). The output shaft of the unblocking motor (5-4) passes through the connecting frame (5-5) and is connected to the rotating plate (5-6). The first connecting plate (5-7) is fixed on the lifting rod (5-3) and is screwed to the rotating plate (5-6) through a shaft and bearing; Connecting rod (5-8), which is fixed to the front side of lifting rod (5-3); Second connecting plate (5-9), the second connecting plate (5-9) is fixed to the connecting rod (5-8), and the second connecting plate (5-9) is located in the feed hopper (3); The number of tapered rods (5-10) is several, and they are fixed to the bottom of the second connecting plate (5-9).

4. The anti-clogging multi-stage screening machine for rice noodle processing according to claim 1, characterized in that: The bottom of the collection box (8) is fixed with several casters (10), and the casters (10) have built-in locking devices. The upper ends of the front and rear side walls of the collection box (8) are fixed with handles (11).

5. The anti-clogging multi-stage screening machine for rice noodle processing according to claim 1, characterized in that: The bottom of the lower screen (7) is located at the first collection hopper (12), which is fixed on the inner wall of the box (1). The outlet of the first collection hopper (12) is located on the upper right side of the lower screen (7).

6. The anti-clogging multi-stage screening machine for rice noodle processing according to claim 1, characterized in that: The bottom of the upper guide bucket (17) is connected to a collection tube (18) by a thread, and a filter screen (19) is provided at the bottom of the collection tube (18).