Rice and husked rice separating screen
By introducing first and second opening and closing components into the rice-brown separator, the feeding port is automatically controlled, which solves the problems of unstable separation accuracy and operation lag in traditional rice-brown separators, improves separation efficiency and automation, adapts to different rice varieties and humidity requirements, and enables unmanned operation.
Patent Information
- Application Number
- CN202520515216.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Traditional hull separators suffer from unstable separation accuracy and slow operational response, making it difficult to meet the demands of the modern grain processing industry for high efficiency, precision, and automation.
The first and second opening and closing components are used to precisely control the opening and closing states of the first and second feeding ports, respectively, so as to realize the automatic adjustment of the opening degree and opening and closing sequence of the feeding ports and ensure the smooth discharge of brown rice and unhulled paddy.
It improves separation accuracy and automation, increases separation efficiency, reduces labor costs, enables unmanned operation, adapts to different rice varieties and humidity requirements, and enhances the continuous operation capability of the production line.
Smart Images

Figure CN223946212U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grain separation equipment, and specifically relates to a grain separation sieve. BACKGROUND
[0002] Grain separation is mainly used for separating the grain and bran mixture (including brown rice, unhulled rice, broken rice and rice hulls) produced after unhulling rice to extract pure brown rice for subsequent rice milling, and the basic principle is to use the differences in physical properties such as particle size, density, friction coefficient and elasticity of rice and brown rice to realize separation through screening, vibration or airflow.
[0003] Grain separation is a key process in rice processing, and its separation efficiency directly affects the whole polished rice rate and product quality. Traditional grain separation sieves mostly use mechanical adjustment or manual intervention, which has problems such as unstable separation precision and lagging operation response, thereby affecting production efficiency and being difficult to meet the needs of modern grain processing industry for high efficiency, precision and automation. Therefore, we need to propose a grain separation sieve. SUMMARY
[0004] The utility model aims at providing a grain separation sieve, through the setting of the first opening and closing assembly and the second opening and closing assembly, the first opening and closing assembly can accurately control the opening and closing state of the first discharge port, ensure that the brown rice is smoothly discharged, and the second opening and closing assembly can flexibly control the opening and closing of the second discharge port, ensure that the unhulled rice and other heavier materials are smoothly discharged, so that the automatic adjustment of the opening degree, opening and closing timing of the discharge port can be realized, and the purpose of unmanned operation is achieved, so as to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A grain separation sieve, comprising a shell, a feeding port is formed in one side of the shell, a first discharge port and a second discharge port are respectively formed in the bottom of the shell, a first discharge hopper matched with the first discharge port is communicated with the bottom of the shell, a second discharge hopper matched with the second discharge port is communicated with the bottom of the shell, two groups of observation windows are embedded in one side of the shell, a discharge groove is formed in one side of the shell, a discharge channel matched with the discharge groove is arranged on one side of the shell, a first opening and closing assembly is arranged at the top end of the first discharge port, and a second opening and closing assembly is arranged at the top end of the second discharge port.
[0007] Preferably, the first opening and closing assembly comprises a first cylinder fixedly installed on one side of the shell, a first connecting rod is fixedly installed at the telescopic end of the first cylinder, a plugboard is fixedly installed on the outer side of the first connecting rod, and the plugboard is slidingly arranged on the inner bottom of the shell.
[0008] Preferably, a first through groove is provided on one side of the housing for the connecting rod to slide in, and the connecting rod is slidably disposed in the first through groove.
[0009] Preferably, limit strips are provided on both sides inside the housing, and the insert plate is slidably disposed at the bottom of the two sets of limit strips.
[0010] Preferably, the second opening and closing assembly includes a second cylinder rotatably mounted on one side of the housing, a rotating plate rotatably mounted on the telescopic end of the second cylinder, a flap plate mounted on one side of the rotating plate, the flap plate rotatably mounted inside the housing, and a groove formed on one side of the flap plate.
[0011] Preferably, a movable plate is slidably disposed inside the housing, a slide rod is disposed on one side of the movable plate, a first slider is disposed at one end of the slide rod, a second through groove is opened on one side of the housing, the first slider is slidably disposed in the second through groove, a second slider is disposed at the other end of the slide rod, and a sliding groove is provided on one side inside the housing, the second slider is slidably disposed in the sliding groove.
[0012] Preferably, one end of the first slider passes through the housing and is fitted with a limiting plate, and a lever is provided at the end of the limiting plate away from the first slider.
[0013] Preferably, mounting plates are provided on both sides of the housing, and mounting holes are provided inside the two sets of mounting plates.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This invention, through the configuration of a first opening and closing component and a second opening and closing component, allows the first component to precisely control the opening and closing state of the first feeding port, ensuring smooth discharge of brown rice and improving separation accuracy and automation. The second component can flexibly control the opening and closing of the second feeding port, ensuring smooth discharge of unhulled paddy and other heavier materials, further improving separation efficiency. Simultaneously, the first and second components can independently execute commands, facilitating precise adjustment of the separation path and flow rate of different materials, enhancing separation effect, and achieving automated adjustment of the feeding port opening degree and opening / closing sequence. It can adapt to different paddy varieties, humidity levels, and separation accuracy requirements without manual intervention, significantly reducing labor costs, improving the continuous operation capability of the production line, and thus achieving unmanned operation. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the observation window and the second through slot of this utility model;
[0018] Figure 3The structure schematic view of the first and second discharging ports of the utility model;
[0019] Figure 4 The structure schematic view of the first opening and closing assembly of the utility model;
[0020] Figure 5 The structure schematic view of the second opening and closing assembly of the utility model;
[0021] Figure 6 The structure schematic view of the limiting plate and the pushing block of the utility model.
[0022] In the figure: 1, the shell; 2, the feed inlet; 3, the first discharging port; 4, the second discharging port; 5, the first discharging hopper; 6, the second discharging hopper; 7, the observation window; 8, the discharging groove; 9, the discharging channel; 10, the first opening and closing assembly; 101, the first air cylinder; 102, the connecting rod; 103, the plugboard; 11, the second opening and closing assembly; 111, the second air cylinder; 112, the rotating plate; 113, the flap; 12, the first through slot; 13, the limiting strip; 14, the moving plate; 15, the sliding rod; 16, the first sliding block; 17, the second through slot; 18, the second sliding block; 19, the sliding groove; 20, the limiting plate; 21, the pushing block; 22, the mounting plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] Please refer to Figures 1-6 The utility model provides a technical scheme:
[0025] The application discloses a kind of husked rice separation screen, including shell 1, the side of shell 1 is equipped with feed inlet 2, the bottom of shell 1 is equipped with first discharge port 3 and second discharge port 4 respectively, the bottom of shell 1 is communicated with the first discharge hopper 5 matched with first discharge port 3, the bottom of shell 1 is communicated with the second discharge hopper 6 matched with second discharge port 4, the side of shell 1 is embedded with two groups of observation window 7, the side of shell 1 is equipped with discharge slot 8, the side of shell 1 is provided with the discharge channel 9 of cooperation with discharge slot 8, the top of first discharge port 3 is provided with first opening and closing component 10, the top of second discharge port 4 is provided with second opening and closing component 11, by the arrangement of first opening and closing component 10 and second opening and closing component 11, first opening and closing component 10 can accurately control the opening and closing state of first discharge port 3, ensure that brown rice is smoothly discharged, second opening and closing component 11 can flexibly control the opening and closing of second discharge port 4, ensure that unhulled rice and other heavier materials are smoothly discharged, so that the opening degree of discharge port, the timing of opening and closing can be automatically adjusted, to achieve the purpose of unmanned operation.
[0026] First opening and closing component 10 includes first cylinder 101 fixedly installed on the side of shell 1, the telescopic end of first cylinder 101 is fixedly installed with first connecting rod 102, the outer side of first connecting rod 102 is fixedly installed with plugboard 103, plugboard 103 is slidably arranged on the inner bottom of shell 1, by first cylinder 101 driving connecting rod 102 and plugboard 103, the opening and closing of first discharge port 3 can be accurately controlled, to ensure that brown rice is smoothly discharged, improve separation precision and automation degree, wherein sensor and PLC controller are prior art, but more redundant description.
[0027] The side of shell 1 is equipped with first through slot 12 for the sliding use of connecting rod 102, connecting rod 102 is slidably arranged in first through slot 12, by the arrangement of first through slot 12, the sliding of connecting rod 102 and plugboard 103 is more stable, to ensure that the action of first opening and closing component 10 is accurate and reliable.
[0028] The both sides in shell 1 are respectively provided with limiting strip 13, plugboard 103 is slidably arranged at the bottom of two groups of limiting strips 13, by the arrangement of limiting strip 13, the movement of plugboard 103 can be limited and guided, so that the movement of plugboard 103 is more smooth.
[0029] The second opening and closing assembly 11 comprises a second cylinder 111 rotatably arranged on one side of the shell 1, the telescopic end of the second cylinder 111 is rotatably arranged with a rotating plate 112, one side of the rotating plate 112 is arranged with a turning plate 113, the turning plate 113 is rotatably arranged in the interior of the shell 1, and a recess is formed in one side of the turning plate 113. The rotating plate 112 and the turning plate 113 are driven by the second cylinder 111, so that the opening and closing of the second discharge port 4 can be flexibly controlled, the unhulled rice and other heavier materials can be smoothly discharged, the separation efficiency is further improved, and the recess formed in the turning plate 113 can avoid the turning plate 113 from colliding with other components during rotation.
[0030] The interior of the shell 1 is slidably arranged with a moving plate 14, one side of the moving plate 14 is provided with a sliding rod 15, one end of the sliding rod 15 is provided with a first sliding block 16, one side of the shell 1 is formed with a second through groove 17, the first sliding block 16 is slidably arranged in the second through groove 17, the other end of the sliding rod 15 is provided with a second sliding block 18, and one side of the interior of the shell 1 is provided with a sliding groove 19. The second sliding block 18 is slidably arranged in the sliding groove 19. Through the arrangement of the moving plate 14, the sliding rod 15, the first sliding block 16, the second through groove 17, the second sliding block 18 and the sliding groove 19, the sliding of the moving plate 14 is driven by the sliding rod 15, the size of the through groove can be adjusted, the separation effect is optimized, and the effective separation of different materials is ensured.
[0031] One end of the first sliding block 16 penetrates through the shell 1 and is arranged with a limiting plate 20, and the end of the limiting plate 20 away from the first sliding block 16 is arranged with a knob 21. Through the arrangement of the limiting plate 20 and the knob 21, the diameter of the limiting plate 20 is greater than the diameter of the second through groove 17, so that the sliding of the first sliding block 16 is limited, and the position of the moving plate 14 is manually adjusted by the knob 21, the separation effect is further optimized, and the flexibility and operability of the equipment are improved.
[0032] The two sides of the shell 1 are respectively provided with mounting plates 22, and the interiors of the two groups of mounting plates 22 are respectively formed with mounting holes. Through the arrangement of the mounting plates 22 and the mounting holes, the installation and fixation of the equipment are facilitated, and the stability and safety of the equipment during operation are ensured.
[0033] Working principle: the utility model uses, install shell 1 through mounting plate 22 at the outlet of the husked rice and unhusked rice separating screen, the husked rice and unhusked rice separating screen is provided with the inductor that detects the husked rice and unhusked rice mixture state, through the inductor that the controller inside husked rice and unhusked rice separating screen receives the signal that emits, first open and close subassembly 10 is driven connecting rod 102 through first air cylinder 101 to the position of plugboard 103 is adjusted, thereby convenient brown rice and other materials through first outlet 3 discharge, enter first discharge hopper 5, second open and close subassembly 11 is closed state at this time, second open and close subassembly 11 is driven through second air cylinder 111 rotation board 112 drive flap 113 rotation, thereby convenient unhusked rice and other heavier materials through second outlet 4 discharge, enter second discharge hopper 6, first open and close subassembly 10 is closed state at this time, the whole separation process is realized automation control through inductor and PLC controller, ensure the opening and closing timing and opening degree of outlet according to material state dynamic adjustment, reach efficient, accurate separation effect.
[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A husked grain separating sieve, characterized in that, The utility model provides a kind of automatic feeding device, including shell (1), the side of shell (1) is equipped with feeding inlet (2), the bottom of shell (1) is equipped with first discharge port (3) and second discharge port (4) respectively, the bottom of shell (1) is communicated with the first discharge hopper (5) of first discharge port (3) adaptation, the bottom of shell (1) is communicated with the second discharge hopper (6) of second discharge port (4) adaptation, the side of shell (1) is embedded with two groups of observation window (7), the side of shell (1) is equipped with discharge slot (8), the side of shell (1) is equipped with the discharge channel (9) of discharge slot (8) cooperation, the top of first discharge port (3) is equipped with first open-close component (10), the top of second discharge port (4) is equipped with second open-close component (11).
2. A husked grain separating sieve according to claim 1, characterized in that: The first open-close component (10) includes a first cylinder (101) fixedly installed on one side of the shell (1), a first connecting rod (102) fixedly installed on the telescopic end of the first cylinder (101), a plugboard (103) fixedly installed on the outer side of the first connecting rod (102), and the plugboard (103) is slidingly arranged on the inner bottom of the shell (1).
3. A husked grain separating sieve according to claim 2, characterized in that: A first through slot (12) for sliding use of the connecting rod (102) is formed on one side of the shell (1), and the connecting rod (102) is slidingly arranged in the first through slot (12).
4. A husked grain separating sieve according to claim 3, characterized in that: Limiting strips (13) are arranged on both sides of the inside of the shell (1), and the plugboard (103) is slidingly arranged on the bottom of the two groups of limiting strips (13).
5. A husked grain separating sieve according to claim 4, characterized in that: The second open-close component (11) includes a second cylinder (111) rotatably installed on one side of the shell (1), a rotating plate (112) rotatably installed on the telescopic end of the second cylinder (111), a flap (113) installed on one side of the rotating plate (112), the flap (113) is rotatably installed in the inside of the shell (1), and a recess is formed on one side of the flap (113).
6. A husked grain separating sieve according to claim 5, characterized in that: A moving plate (14) is slidingly arranged in the inside of the shell (1), a slide rod (15) is arranged on one side of the moving plate (14), a first sliding block (16) is arranged on one end of the slide rod (15), a second through slot (17) is formed on one side of the shell (1), the first sliding block (16) is slidingly arranged in the second through slot (17), a second sliding block (18) is arranged on the other end of the slide rod (15), a slide groove (19) is arranged on one side of the inside of the shell (1), and the second sliding block (18) is slidingly arranged in the slide groove (19).
7. A husked grain separating sieve according to claim 6, characterized in that: One end of the first sliding block (16) penetrates the shell (1) and is installed with a limiting plate (20), and a push block (21) is arranged on the end of the limiting plate (20) away from the first sliding block (16).
8. A husked grain separating sieve according to claim 7, characterized in that: Mounting plates (22) are arranged on both sides of the shell (1), and mounting holes are formed in the inside of the two groups of mounting plates (22).