CN216757225U

CN216757225U - Rice grading rotary screen for grain processing

Info

Publication number: CN216757225U
Application number: CN202122622842.9U
Authority: CN
Inventors: 肖国林
Original assignee: Hubei Xiangzhen Rice Industry Co ltd
Current assignee: Hubei Xiangzhen Rice Industry Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-17
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a white rice grading rotary sieve for grain processing, which comprises a cylinder body, wherein the top end of the center of the cylinder body is provided with a feed hopper, the side walls of the left bottom end and the right bottom end of the cylinder body are respectively provided with a material guide plate, one end surface of the cylinder body is provided with a driving motor, the output end of the driving motor is provided with a rotating shaft, the rotating shaft is connected with the cylinder body through a bearing, the rotating shaft is provided with a helical blade, the helical blade is arranged in the cylinder body, an arc filter plate is arranged below the helical blade, the arc filter plate is clamped at an opening at the bottom end of the cylinder body, a grading sieving device is arranged below the arc filter plate, the grading sieving device is arranged in an installation frame, and the installation frame is arranged at the bottom end of the cylinder body. The grading sieving device is used for conveniently carrying out multi-stage classification treatment on the rice grains.

Description

Rice grading rotary sieve for grain processing

Technical Field

The utility model relates to the technical field of grain processing, in particular to a rice grading rotary sieve for grain processing.

Background

The grading screening is an important process in rice processing, and the quality of rice grading directly influences the quality of products and the economic benefit of processing factories. In the existing rice grading screening process, the rice grading screening process consists of a power mechanism arranged in a rack and a grading screening mechanism arranged in a screening box above the rack; the power mechanism comprises a motor, a speed regulating mechanism, a tensioning mechanism, a gap bridge transmission mechanism, an eccentric slewing mechanism and the like which are arranged in the frame; the rice grading and screening device comprises a grading and screening mechanism which is arranged in a screen box above a rack, is provided with a screen grid with screen holes at a certain inclination angle, a flow guide flow plate arranged opposite to the inclination angle of the screen grid, a matched discharging plate, a rice distributing box, a front sealing plate with a detachable end of the screen box, a feeding hole and the like, and a power mechanism drives the grading and screening mechanism to do plane rotary motion, so that the grading and screening of rice are realized. The principle that the particle types of broken rice and whole rice are different is utilized, classification is formed when the broken rice and whole rice flow on a plane rotary sieve surface, and a plurality of grades such as special-grade rice, ordinary rice, large broken rice, small broken rice and the like are separated through continuous sieving of a plurality of layers of sieve surfaces.

The existing rice grading rotary screen is too complex in internal structure, too many parts of the grading screening mechanism, huge in size, high in cost and expensive in return, so that the market selling price is generally too high, the common small-yield individual household is difficult to bear, the market audience of the rice grading rotary screen is small, and the rice grading rotary screen is greatly discounted in practicability due to the fact that the parts of the grading screening mechanism are too complex, high in later maintenance cost and large in maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a rice grading rotary sieve for processing grains, which comprises a cylinder body, the top end of the center of the cylinder body is provided with a feed hopper, the side walls of the left bottom end and the right bottom end of the cylinder body are respectively provided with a material guide plate, a driving motor is arranged on one end face of the cylinder body, the output end of the driving motor is provided with a rotating shaft, the rotating shaft is connected with the cylinder body through a bearing, the rotating shaft is provided with a helical blade which is arranged in the cylinder body, an arc filter plate is arranged below the helical blade, the arc filter plate is clamped at the opening at the bottom end of the cylinder body, a grading sieving device is arranged below the arc filter plate, the grading sieving device is arranged in an installation frame which is arranged on the bottom end of the cylinder body, the installation frame left end sets up the discharge gate, the installation frame bottom all is provided with the supporting legs all around.

As preferred, the device sieves in grades includes the one-level reel, one-level reel below sets up second grade reel and tertiary collection frame at the interval in proper order, the one-level reel the second grade reel with both ends all set up on the transmission post about the tertiary collection frame, the transmission post sets up to controlling two, the transmission post sets up in spacing spout, spacing spout is seted up respectively on the mounting panel, the mounting panel set up respectively in both ends about the mounting frame, spacing spout one end is the opening setting, controls two spacing spout opening sets up relatively inwards, the transmission post is connected with spring one end, the spring other end with spacing spout wall connection, tertiary collection frame bottom sets up vibrating motor, vibrating motor set up in on the mounting frame.

Preferably, the one-level reel the second grade reel with the tertiary aggregate frame is parallel to each other, and is the slope setting, and the right-hand member is higher than the left end, the one-level reel the second grade reel with tertiary aggregate frame left end is the opening setting.

Preferably, from last to setting gradually one-level discharge gate, second grade discharge gate and tertiary discharge gate down in the discharge gate, the one-level discharge gate with one-level reel left end opening communicates with each other, the second grade discharge gate with second grade reel left end opening communicates with each other, tertiary discharge gate with tertiary collection frame left end opening communicates with each other.

Preferably, the outer surface of the spiral blade is provided with a silica gel pad, the aperture of the sieve mesh of the circular arc filter plate is larger than that of the sieve mesh of the first-stage sieve frame, and the aperture of the sieve mesh of the first-stage sieve frame is larger than that of the sieve mesh of the second-stage sieve frame.

The utility model has the beneficial effects that: structural design is reasonable, drives pivot, helical blade through driving motor work and makes the better transport of rice cereal at the barrel internal motion, improves its hierarchical efficiency of sieving, utilizes the hierarchical device setting of sieving to carry out multistage classification with being convenient for make rice cereal, simple structure, convenient operation, and work efficiency is high, satisfies the production demand, and equipment spare part is less with lower costs, and easy maintenance does benefit to marketing.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of the barrel, the mounting frame and the discharge port of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

fig. 5 is a schematic structural view of a classifying and sieving device of the present invention.

In the figure: 1. a barrel; 2. a feed hopper; 3. a material guide plate; 4. a drive motor; 5. a rotating shaft; 6. a helical blade; 7. a circular arc filter plate; 8. a mounting frame; 9. a discharge port; 10. a first-stage discharge hole; 11. a secondary discharge hole; 12. a third-stage discharge hole; 14. a first stage screen frame; 15. a secondary screen frame; 16. a third-stage material collecting frame; 17. a vibration motor; 18. mounting a plate; 19. a drive post; 20. a spring; 21. a limiting chute; 22. support the feet.

Detailed Description

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, welded, riveted, bonded, and the like, or detachably connected, screwed, keyed, pinned, and the like, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The rice grading rotary sieve as shown in fig. 1-5 comprises a cylinder 1, a feed hopper 2 is arranged at the top end of the center of the cylinder 1, guide plates 3 are respectively arranged on the side walls of the left and right bottom ends of the cylinder 1, a driving motor 4 is arranged on one end surface of the cylinder, a rotating shaft 5 is arranged at the output end of the driving motor 4, the rotating shaft 5 is connected with the cylinder 1 through a bearing, a spiral blade 6 is arranged on the rotating shaft 5, the spiral blade 6 is arranged in the cylinder 1, an arc filter plate 7 is arranged below the spiral blade 6, the arc filter plate 7 is clamped at the bottom opening of the cylinder 1, a grading sieving device is arranged below the arc filter plate 7 and is arranged in a mounting frame 8, the mounting frame 8 is arranged at the bottom end of the cylinder 1, and a discharge port 9 is arranged at the left end of the mounting frame 8, supporting legs 22 are arranged on the periphery of the bottom end of the mounting frame 8. It should be noted that, work through driving motor 4 drives pivot 5, helical blade 6 and rotates and then make rice cereal at barrel 1 internal motion, cooperates circular arc filter plate 7 to carry out debris simultaneously and filters, makes the large granule rubble debris that mix with in the rice filter out. The rice is classified and sieved into multiple stages for classification treatment by the aid of the classifying and sieving device, and production requirements are met.

Specifically, the grading sieving device comprises a first-level sieve frame 14, a second-level sieve frame 15 and a third-level collecting frame 16 are sequentially arranged below the first-level sieve frame 14 at intervals, the left and right ends of the first-stage screen frame 14, the second-stage screen frame 15 and the third-stage material collecting frame 16 are all arranged on a transmission column 19, the transmission posts 19 are arranged at the left and the right, the transmission posts 19 are arranged in the limiting sliding grooves 21, the limiting sliding grooves 21 are respectively arranged on the mounting plates 18, the mounting plates 18 are respectively arranged in the left end and the right end of the mounting frame 8, one end of the limiting sliding chute 21 is provided with an opening, the openings of the left and right limiting sliding chutes 21 are oppositely arranged inwards, the transmission column 19 is connected with one end of a spring 20, the other end of the spring 20 is connected with the inner wall of the limit sliding groove 21, tertiary collection frame 16 bottom sets up vibrating motor 17, vibrating motor 17 set up in on the installation frame 8. It should be noted that, one-level reel 14 second grade reel 15 with tertiary collection frame 16 cooperation vibrating motor 17 work reaches the effect that the vibration was sieved, makes the rice divide into large granule, well granule and tiny particle and carries out classification treatment, and the setting of 19 cooperation springs of transmission post 20, spacing spout 21 will make one-level reel 14, second grade reel 15 and tertiary collection frame 16 vibrate simultaneously and work, and guarantee its stability.

Particularly, one-level reel 14 the second grade reel 15 with tertiary collection frame 16 mutual parallel arrangement, and be the slope setting, the right-hand member is higher than the left end, one-level reel 14 the second grade reel 15 with tertiary collection frame 16 left end is the opening setting. It should be noted that the inclined arrangement of the first-stage sieve frame 14, the second-stage sieve frame 15 and the third-stage collecting frame 16 facilitates conveying the rice to discharge to a required working position through the self-gravity of the rice.

Particularly, from last to setting gradually one-level discharge gate 10, second grade discharge gate 11 and tertiary discharge gate 12 down in the discharge gate 9, one-level discharge gate 10 with 14 left end openings of one-level reel communicate with each other, second grade discharge gate 11 with 15 left end openings of second grade reel communicate with each other, tertiary discharge gate 12 with 16 left end openings of tertiary collection frame communicate with each other. It should be noted that the first-stage discharge port 10, the second-stage discharge port 11 and the third-stage discharge port 12 may be respectively connected to different storage boxes through conveying pipes, so as to facilitate processing of the classified rice.

Particularly, the outer surface of the helical blade 6 is provided with a silica gel pad, the aperture of the sieve mesh of the circular arc filter plate 7 is larger than the aperture of the sieve mesh of the first-stage sieve frame 14, and the aperture of the sieve mesh of the first-stage sieve frame 14 is larger than the aperture of the sieve mesh of the second-stage sieve frame 15. It should be noted that the silica gel pad arranged on the outer surface of the helical blade 6 can prevent the rice grains from being damaged due to extrusion during working rotation, and the integrity of the product is ensured.

The working principle of the specific embodiment is as follows: firstly, the rice grain is conveyed into the cylinder 1 through the feed hopper 2, then the rotation of the driving motor 4 drives the rotating shaft 5 and the helical blade 6 to rotate so as to make the product move in the cylinder 1, meanwhile, the sieve is matched with the arc filter plate 7 for sieving, large-particle broken stone sundries are filtered above the arc filter plate 7, the three-stage material collecting frame 16 is vibrated through the work of the vibration motor 17, utilize transmission column 19 cooperation spring 20 simultaneously, spacing spout 21 will make one-level reel 14, second grade reel 15 vibrates thereupon, the product drops to one-level reel 14 on and makes the large granule white rice stay to one-level reel 14 and roll to one-level discharge gate 10 discharge through vibrating sieving, well granule white rice and tiny particle white rice drop to second grade reel 15 on make well granule white rice stay to second grade reel 15 roll to second grade discharge gate 11 discharge through vibrating sieving, tiny particle white rice drops to tertiary collection frame 16 on makes the tiny particle white rice roll to tertiary discharge gate 12 discharge through vibrating.

The utility model is not limited to the foregoing embodiments. The utility model extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims

1. The utility model provides a rice grading rotary screen for grain processing, includes barrel (1), its characterized in that: the feeding hopper (2) is arranged at the top end of the center of the barrel body (1), the guide plates (3) are respectively arranged on the side walls of the left bottom end and the right bottom end of the barrel body (1), a driving motor (4) is arranged on one end face of the barrel body, the output end of the driving motor (4) is provided with a rotating shaft (5), the rotating shaft (5) is connected with the barrel body (1) through a bearing, a spiral blade (6) is arranged on the rotating shaft (5), the spiral blade (6) is arranged in the barrel body (1), an arc filter plate (7) is arranged below the spiral blade (6), the arc filter plate (7) is clamped at the opening at the bottom end of the barrel body (1), a grading sieving device is arranged below the arc filter plate (7), the grading sieving device is arranged in the installing frame (8), the installing frame (8) is arranged at the bottom end of the barrel body (1), the left end of the installing frame (8) is provided with a discharge hole (9), supporting legs (22) are arranged on the periphery of the bottom end of the installation frame (8).

2. The rice grading rotary screen for processing grain according to claim 1, characterized in that: the grading sieving device comprises a one-level sieve frame (14), a second-level sieve frame (15) and a third-level material collecting frame (16) are sequentially arranged below the one-level sieve frame (14) at intervals, the left end and the right end of the one-level sieve frame (14), the second-level sieve frame (15) and the third-level material collecting frame (16) are arranged on a transmission column (19), the transmission column (19) is arranged into the left end and the right end, the transmission column (19) is arranged in a limit sliding groove (21), the limit sliding groove (21) is respectively arranged on a mounting plate (18), the mounting plate (18) is respectively arranged in the left end and the right end of the mounting frame (8), one end of the limit sliding groove (21) is arranged by an opening, the left end and the right end of the limit sliding groove (21) are inwards oppositely arranged, the transmission column (19) is connected with one end of a spring (20), the other end of the spring (20) is connected with the inner wall of the limit sliding groove (21), tertiary collecting frame (16) bottom sets up vibrating motor (17), vibrating motor (17) set up in on installation frame (8).

3. The rice grading rotary screen for processing grain according to claim 2, characterized in that: one-level reel (14) second grade reel (15) with tertiary collection frame (16) parallel arrangement each other, and be the slope setting, the right-hand member is higher than the left end, one-level reel (14) second grade reel (15) with tertiary collection frame (16) left end is the opening setting.

4. The rice grading rotary screen for processing grain according to claim 3, characterized in that: from last to setting gradually one-level discharge gate (10), second grade discharge gate (11) and tertiary discharge gate (12) down in discharge gate (9), one-level discharge gate (10) with one-level reel (14) left end opening communicates with each other, second grade discharge gate (11) with second grade reel (15) left end opening communicates with each other, tertiary discharge gate (12) with tertiary collection frame (16) left end opening communicates with each other.

5. The rice classifying rotary screen for grain processing as claimed in claim 2, characterized in that: the outer surface of the spiral blade (6) is provided with a silica gel pad, the sieve mesh aperture of the circular arc filter plate (7) is larger than that of the first-stage sieve frame (14), and the sieve mesh aperture of the first-stage sieve frame (14) is larger than that of the second-stage sieve frame (15).