Rice processing technology
By designing a rice processing and screening equipment including rear support plate, slow rack, side slow rack and U-shaped screening plate, the problem of secondary crushing of indica rice during the screening process is solved, and the soft screening and multi-level grading of rice are achieved, which improves the yield rate and screening accuracy.
Patent Information
- Application Number
- CN202510164035.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-04-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the existing rice processing technology, indica rice is prone to secondary crushing during the screening process, resulting in a decrease in yield. Due to the different quality and types of rice, there are differences in the classification standards for broken rice, which need to be adjusted according to actual conditions.
A rice processing and screening equipment is adopted, which includes a rear support plate, a cushion frame, a quench frame and a U-shaped screening plate. Through sliding connections and shrapnel design, the soft screening of rice is achieved, avoiding secondary crushing of rice particles, and through multiple stages of screening of multiple U-shaped screening plates, improving screening accuracy.
It effectively avoids the secondary crushing of indica rice during the screening process, improves the yield rate, and improves the screening accuracy of rice through multi-level screening, adapting to the rice grading needs of different quality and types.
Smart Images
Figure CN119819567A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of rice processing, in particular to a rice processing technology. Background Art
[0002] Rice is generally divided into indica rice and japonica rice, among which indica rice grains are slender, and the length of the elder is more than 7 mm. Indica rice has low viscosity and is brittle, and is easy to break during processing. Therefore, in the actual processing process, it is necessary to screen and grade the polished indica rice to reduce the proportion of broken rice in the finished indica rice. However, due to the large amount of rice and small single grains during the screening process, the rice grains are easy to clog the screen, the screening is insufficient, and when the rice is screened by vibration, some types of rice grains are more fragile, such as indica rice. Indica rice grains are easily broken twice during the screening process, resulting in a lower yield. And due to the different quality and types of rice, there are certain differences in the grading standards for broken rice, which need to be adjusted according to the actual screening situation. Summary of the invention
[0003] In order to overcome the deficiencies of the prior art, the present invention provides a rice processing process, and the beneficial effect is that the present invention can gently screen indica rice during the processing process to avoid secondary crushing of rice grains caused by screening.
[0004] The technical solution adopted by the present invention to solve the technical problem is:
[0005] A rice processing and screening equipment comprises a rear support plate, wherein an upper buffer frame, a lower buffer frame and a plurality of side buffer frames are fixedly connected inside the rear support plate, the upper buffer frame and the lower buffer frame are respectively arranged at the upper and lower ends of the rear support plate, and the plurality of side buffer frames are alternately arranged on both sides of the middle part of the rear support plate from top to bottom, the side buffer frames and the lower sides of the upper buffer frame are fixedly connected with a lower baffle plate, the upper sides of the side buffer frames and the lower buffer frame are fixedly connected with a slide plate, the opposite sides of the upper buffer frame and the lower buffer frame are provided with side blocks, sliding blocks are slidably connected between the side buffer frames and the slide plate, an observation plate corresponding to the rear support plate is detachably connected to the front side of the side buffer frame, an upper containing box is fixedly connected to the upper side of the rear support plate, a lower containing box is fixedly connected to the lower side of the rear support plate, a U-shaped screen plate is slidably provided between the corresponding side buffer frames and the slide plate, and a plurality of screen holes are provided on the upper side of the U-shaped screen plate.
[0006] The plurality of U-shaped screen plates are all transverse U-shaped structures, and both ends of the U-shaped screen plates are respectively fixedly connected to the corresponding slide plates and side buffer frames.
[0007] The lengths of the sieve holes on the multiple U-shaped sieve plates increase sequentially from top to bottom, and no sieve holes are arranged on the uppermost U-shaped sieve plate.
[0008] The middle sides of the plurality of U-shaped screen plates are all provided with spring pieces.
[0009] A rice processing process, using the rice processing and screening equipment to screen the polished rice, comprises the following steps:
[0010] S1: Open the observation plate and insert the corresponding U-shaped sieve plates from top to bottom according to the rice grading requirements;
[0011] S2: insert the sliding block connected with the collecting device into the screening device and close the observation panel;
[0012] S3: putting the polished new rice into the upper container;
[0013] S4: Start the screening equipment to make the new rice fall through the side opening of the upper slow frame and pass through the corresponding U-shaped screen plates in sequence;
[0014] S5: The screened new rice is collected by a collecting device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0016] Figure 1 The figure is an overall structural diagram of a rice processing and screening device;
[0017] Figure 2 The internal structure of a rice processing and screening equipment Figure 1 ;
[0018] Figure 3 The internal structure of a rice processing and screening equipment Figure 2 ;
[0019] Figure 4 for Figure 3 A schematic diagram of the partially enlarged structure of part I;
[0020] Figure 5 It is a structural schematic diagram of a U-shaped sieve plate;
[0021] Figure 6 This is a schematic diagram of the installation of a U-shaped screen plate;
[0022] Figure 7 This is a schematic diagram of the installation of the shrapnel;
[0023] Figure 8 This is a schematic diagram of the installation of the side buffer frame;
[0024] Fig. 9 Schematic diagram of the location of the connecting port. DETAILED DESCRIPTION
[0025] like Figure 1-4 As shown:
[0026] A rice processing and screening device, the screening device comprises a rear support plate 000, an upper buffer frame 010, a lower buffer frame 020 and a plurality of side buffer frames 030 are welded inside the rear support plate 000, the upper buffer frame 010 and the lower buffer frame 020 are respectively arranged at the upper and lower ends of the rear support plate 000, and the plurality of side buffer frames 030 are staggered from top to bottom on both sides of the middle of the rear support plate 000, the lower sides of the side buffer frames 030 and the upper buffer frame 010 are both welded with a lower baffle plate 040, the upper sides of the side buffer frames 030 and the lower buffer frame 020 are both connected with a slide plate 050 by screws, and the upper buffer frame 010 and the lower buffer frame 020 are both provided with a A side stopper 070 is provided, a sliding block 080 is slidably connected between the side buffer frame 030 and the slide plate 050, an observation plate 090 corresponding to the rear support plate 000 is detachably connected to the front side of the side buffer frame 030 by screws, an upper container box 001 is connected to the upper side of the rear support plate 000 by screws, and a lower container box 002 is connected to the lower side of the rear support plate 000 by screws, and a U-shaped sieve plate 100 is slidably provided between the corresponding side buffer frame 030 and the slide plate 050, and a plurality of sieve holes 101 smaller than the length of rice grains are provided on the upper side of the U-shaped sieve plate 100, and a narrow and long opening is provided on the left side of the upper container box 001;
[0027] When the screening device is used to screen the rice, a container capable of containing rice is connected to each sliding block 080, and then the rice can be loaded into the upper containing box 001, so that the rice can enter the rear support plate 000 through the opening of the upper containing box 001, and the rice can roll from top to bottom along the multiple U-shaped sieve plates 100 in sequence. Since the rice is moved by rolling during the screening process, the rice grains, especially indica rice, can roll along the same inclined direction during the movement, and thus the angle of the rice grains themselves can be gradually adjusted. At the same time, since the upper containing box 001 is provided with a narrow and long opening on the left side, the rice falling on the U-shaped sieve plate 100 can gradually fall and be spread on the U-shaped sieve plate 100, so as to ensure the smoothness of the rice. The rice can continuously roll downward on the inclined U-shaped sieve plate 100 under the action of its own gravity. At this time, since the sieve holes 101 are smaller than the length of the rice grains, during the rolling process of the rice grains, the broken rice smaller than the length of the sieve holes 101 can directly pass through the sieve holes 101 and fall into the U-shaped sieve plate 100, and slide into the corresponding container through the slide plate 050, while the whole rice grains will not be sieved by the sieve holes 101 but will continue to roll downward. Since a plurality of U-shaped sieve plates 100 are provided, the sieve holes 101 on the plurality of U-shaped sieve plates 100 can be continuously sieved for the fallen broken rice, thereby preventing the rice from being stacked when sliding to the U-shaped sieve plate 100 located on the upper side, thereby causing only the broken rice at the bottom to fall into the corresponding container. Thus, the rice can be screened multiple times through the multiple U-shaped sieve plates 100, so that the rice can be continuously dispersed and slid down in the process of rolling down until it enters the corresponding containers respectively, and then the same grade of rice can be screened through the multiple U-shaped sieve plates 100, thereby increasing the screening accuracy of the screening equipment for the rice and completing the rice screening work; at the same time, since the rice will not vibrate when rolling down and passing through different U-shaped sieve plates 100, the damage to the rice caused by repeated vibration during the screening process can be reduced;
[0028] At the same time, since the U-shaped sieve plate 100 and the sliding block 080 are both slidably connected to the inside of the screening device, when the container connected to the sliding block 080 is full, the container can be replaced by sliding out the container and the sliding block 080; when the type of rice to be screened changes, the screening of the rice can be changed by opening the observation plate 090 and directly taking out and replacing the corresponding U-shaped sieve plate 100; secondly, since the broken rice enters the inside of the container by falling into the inside of the U-shaped sieve plate 100, when the U-shaped sieve plate 090 is used, the broken rice enters the inside of the container and the sliding block 080 is used. When there is no sieve hole 101 on the plate 100 or the sieve hole 101 is small, the whole rice can directly slide down through the U-shaped sieve plate 100, and slide directly from the lower side end of the U-shaped sieve plate 100 to the upper side end of the next U-shaped sieve plate 100. At this time, the rice cannot enter the U-shaped sieve plate 100 and fall into the corresponding container, thereby ensuring that the rice can slide up and down through multiple U-shaped sieve plates 100 in sequence until it falls into the corresponding container or the lower container 002, thereby completing the rice screening work.
[0029] like Figure 5 As shown:
[0030] The plurality of U-shaped sieve plates 100 are all horizontally U-shaped structures, and the two ends of the U-shaped sieve plate 100 are respectively fixedly connected to the corresponding slide plate 050 and the side buffer frame 030 by screws. When the U-shaped sieve plate 100 needs to be installed inside the screening device, the U-shaped sieve plate 100 can be stretched open and inserted into the screening device, and then the U-shaped sieve plate 100 is fixed to the slide plate 050 and the side buffer frame 030 by screws, so that the U-shaped sieve plate 100 can be prevented from sliding inwards and falling off and closing under the action of its own elasticity, and at the same time, the U-shaped sieve plate 100 can be tightly stuck between the slide plate 050 and the side buffer frame 030, avoiding a gap between the upper side of the U-shaped sieve plate 100 and the side buffer frame 030 and the slide plate 050, thereby ensuring that the rice will not be stuck at the intersection of the U-shaped sieve plate 100 and the side buffer frame 030 or the slide plate 050 during the downward rolling and sliding process;
[0031] At the same time, since the U-shaped sieve plate 100 is a horizontally placed U-shaped structure, when the U-shaped sieve plate 100 is stretched open, the upper and lower ends of the U-shaped sieve plate 100 are both in an inwardly concave arc. When the U-shaped sieve plate 100 is installed inside the screening equipment, the upper side of the U-shaped sieve plate 100 is still in an inwardly concave arc, thereby ensuring that the rice can fall smoothly and roll toward the middle position of the U-shaped sieve plate 100, and the lower side of the U-shaped sieve plate 100 can be restricted by the slide plate 050. At this time, the inwardly concave arc can ensure that the lower side of the U-shaped sieve plate 100 can be tightly attached to the slide plate 050, thereby facilitating the fixation of the U-shaped sieve plate 100 on the slide plate 050.
[0032] like Figure 2 As shown:
[0033] The lengths of the sieve holes 101 opened on the plurality of U-shaped sieve plates 100 increase from top to bottom, and the uppermost U-shaped sieve plate 100 is not provided with a sieve hole 101;
[0034] When it is necessary to perform multi-level screening and grading of rice, the U-shaped sieve plate 100 installed inside the screening device can be adjusted so that the length of the sieve holes 101 on the U-shaped sieve plate 100 increases from top to bottom, so that different grades of rice can be screened respectively through the sieve holes 101 of different lengths on different U-shaped sieve plates 100. When the rice is screened at multiple levels, the number of U-shaped sieve plates 100 corresponding to the length of the sieve holes 101 of rice of different levels is reduced, that is, the screening function can be provided for the rice of that level. The number of U-shaped sieve plates 100 is reduced. At this time, the U-shaped sieve plate 100 without sieve holes 101 on the upper side can only guide the rice to roll, thereby preventing the rice from being stacked and failing to fully adjust the angle of the rice grains when the rice just falls into the screening device from the upper containing box 001. This can improve the screening effect of the subsequent U-shaped sieve plates 100 and prevent complete rice grains from directly passing through the upper U-shaped sieve plate 100 due to their own failure to tilt, thereby resulting in poor screening effect for some grades of rice.
[0035] like Figure 5 As shown:
[0036] The middle side of the plurality of U-shaped sieve plates 100 are all provided with spring pieces 102. When the rice slides down along the upper part of the U-shaped sieve plate 100, the rice can be accumulated on the upper side of the spring pieces 102, and the spring pieces 102 are gradually pressed downward by gravity and pressure, so that the rice can pass through the gap formed by the bending of the spring pieces 102 and slide onto the U-shaped sieve plate 100 at the lower side, so that the sliding rice can be blocked and adjusted by the spring pieces 102, ensuring that the rice that slides to the lower side can still slide downward flat, avoiding the rice stacking or the change of the amount and sliding speed of the subsequent sliding rice due to screening, thereby causing the subsequent screening to fail to proceed normally.
[0037] like Figure 6-7 As shown:
[0038] The inner sides of the upper slow frame 010, the lower slow frame 020 and the side slow frame 030 are all provided with inner arc surfaces 011 corresponding to the U-shaped sieve plate 100, and the movable ends of the spring sheets 102 are against the inner arc surfaces 011, so that when the rice screening is not performed, the spring sheets 102 can play a blocking role on the sliding rice, so that when the sliding rice falls on the U-shaped sieve plate 100 on the lower side, it can gradually slide down and fall on the upper side end of the lower U-shaped sieve plate 100 through the elastic force generated by the tightly attached inner arc surfaces 011, instead of falling directly on the lower U-shaped sieve plate 100, thereby ensuring that the angle of the rice will not change due to falling during the rolling process of sliding downward, and can immediately continue to move on the U-shaped sieve plate 100 in a downward rolling manner, thereby further avoiding the possibility of complete rice grains falling into the sieve holes 101 when passing through the subsequent U-shaped sieve plates 100, thereby improving the screening effect.
[0039] Further:
[0040] The spring piece 102 is made of mild steel, and its thickness is inversely proportional to the length of the corresponding sieve hole 101, so that the spring piece 102 can maintain a certain strength and bend only after a sufficient amount of rice is piled up on it; at the same time, when the length of the sieve hole 101 increases, the thickness of the spring piece 102 decreases, so that when the rice rolls to the position of the U-shaped sieve plate 100 on the lower side, the broken rice contained in the rice is separated by the U-shaped sieve plate 100 on the upper side, thereby reducing the amount of rice rolling and piled on the lower spring piece 102. At this time, the spring piece 102 with reduced thickness has reduced strength and can be more easily pressed and bent by the piled rice, thereby ensuring that the screening work can continue.
[0041] like Figure 7-8 As shown:
[0042] The lower sides of the plurality of side buffer frames 030 and the upper buffer frame 010 are fixedly connected with lower attached clamping blocks 060, and the upper sides of the lower attached clamping blocks 060 and the lower sides of the slide plate 050 are provided with slots 032 corresponding to the U-shaped sieve plate 100; thereby, the U-shaped sieve plate 100 can be limited by the slots 032, so that the U-shaped sieve plate 100 can be clamped inside the slots 032 without moving.
[0043] like Fig. 9 As shown:
[0044] The lower sides of the plurality of lower baffles 040 are all provided with connecting openings 041, so that the broken rice falling into the U-shaped sieve plate 100 through the sieve holes 101 can slide into the container through the connecting openings 041, thereby conveniently completing the collection of the broken rice after screening.
[0045] like Figure 1 As shown:
[0046] The observation plate 090 is made of transparent glass, so that the rice screening situation can be conveniently observed through the observation plate 090.
[0047] A rice processing process, using the rice processing and screening equipment to screen the polished rice, comprises the following steps:
[0048] S1: Open the observation plate 090 and insert the corresponding U-shaped sieve plates 100 from top to bottom according to the rice grading requirements;
[0049] S2: insert the sliding block 080 connected with the collecting device into the screening device, and close the observation plate 090;
[0050] S3: Put the polished new rice into the upper container 001;
[0051] S4: Start the screening equipment to make the new rice fall through the side opening of the upper slow frame 010 and pass through the corresponding U-shaped screen plates 100 in sequence;
[0052] S5: The screened new rice is collected by a collecting device.
Claims
1. A rice processing and screening device, characterized in that: The invention comprises a rear support plate (000), wherein an upper buffer frame (010), a lower buffer frame (020) and a plurality of side buffer frames (030) are fixedly connected inside the rear support plate (000), wherein the upper buffer frame (010) and the lower buffer frame (020) are respectively arranged at the upper and lower ends of the rear support plate (000), and the plurality of side buffer frames (030) are staggeredly arranged on both sides of the middle part of the rear support plate (000) from top to bottom, wherein the lower sides of the side buffer frames (030) and the upper buffer frame (010) are fixedly connected to a lower baffle plate (040), and the upper sides of the side buffer frames (030) and the lower buffer frame (020) are fixedly connected to a slide plate (050), and the upper buffer frame (010) and the lower buffer frame (020) are fixedly connected to a slide plate (050). Side blocks (070) are provided on opposite sides of the frame (020); sliding blocks (080) are slidably connected between the side buffer frame (030) and the slide plate (050); an observation plate (090) corresponding to the rear support plate (000) is detachably connected to the front side of the side buffer frame (030); an upper container box (001) is fixedly connected to the upper side of the rear support plate (000); a lower container box (002) is fixedly connected to the lower side of the rear support plate (000); a U-shaped screen plate (100) is slidably connected between the corresponding side buffer frame (030) and the slide plate (050); a plurality of screen holes (101) are provided on the upper side of the U-shaped screen plate (100).
2. A rice processing and screening device according to claim 1, characterized in that: The plurality of U-shaped screen plates (100) are all transversely placed U-shaped structures, and both ends of the U-shaped screen plates (100) are respectively fixedly connected to the corresponding slide plates (050) and the side buffer frames (030).
3. A rice processing and screening device according to claim 2, characterized in that: The lengths of the sieve holes (101) provided on the plurality of U-shaped sieve plates (100) increase sequentially from top to bottom, and the uppermost U-shaped sieve plate (100) is not provided with a sieve hole (101).
4. A rice processing and screening device according to claim 3, characterized in that: A plurality of U-shaped screen plates (100) are each provided with a spring sheet (102) on the middle side thereof.
5. A rice processing and screening device according to claim 4, characterized in that: The inner sides of the upper slow frame (010), the lower slow frame (020) and the side slow frame (030) are all provided with inner arc surfaces (011) corresponding to the U-shaped screen plate (100), and the movable ends of the spring sheets (102) are against the inner arc surfaces (011).
6. A rice processing and screening device according to claim 5, characterized in that: The spring sheet (102) is made of mild steel, and the thickness of the spring sheet (102) is inversely proportional to the length of the corresponding sieve hole (101).
7. A rice processing and screening device according to claim 5, characterized in that: The lower sides of the plurality of side buffer frames (030) and the upper buffer frame (010) are all fixedly connected with lower attached clamping blocks (060), and the upper sides of the lower attached clamping blocks (060) and the lower sides of the slide plates (050) are both provided with slots (032) corresponding to the U-shaped screen plates (100).
8. The rice processing and screening equipment according to claim 1, characterized in that: A communication port (041) is formed on the lower side of each of the plurality of lower baffles (040).
9. The rice processing and screening equipment according to claim 1, characterized in that: The observation plate (090) is made of transparent glass.
10. A rice processing process, characterized in that: Screening the polished rice using the rice processing and screening device according to any one of claims 6 to 9, The following steps are involved: S1: Open the observation plate (090) and insert the corresponding U-shaped sieve plates (100) from top to bottom according to the rice grading requirements; S2: inserting the sliding block (080) connected with the collecting device into the screening device and closing the observation panel (090); S3: Put the polished new rice into the upper container (001); S4: Start the screening equipment to make the new rice fall through the side opening of the upper slow frame (010) and pass through the corresponding U-shaped screen plates (100) in sequence; S5: The screened new rice is collected by a collecting device.