CN210022760U

CN210022760U - Horizontal rotation type rice grading sieve

Info

Publication number: CN210022760U
Application number: CN201920809925.9U
Authority: CN
Inventors: 李刚
Original assignee: Dangyang Feixiang Industry LLC
Current assignee: Dangyang Feixiang Industry LLC
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a flat rotation type rice grading sieve, including the barrel, the barrel upper end communicates some feed funnels, feed funnels set up induced air dust removal subassembly and with the control fast subassembly of induced air dust removal subassembly cooperation use, control fast subassembly includes the polylith interception board, and polylith interception board concatenation encloses into the funnel structure unanimous with feed funnels unloading direction, the upper end of funnel structure laminating feed funnels inner wall setting, funnel structure discharge end can scale through drive assembly and set up; the induced air dust removal assembly comprises an air inlet pipe and an air outlet pipe which are communicated with the feeding hopper, the air inlet pipe is connected with an air blower, the air outlet pipe is connected with an exhaust fan, and the connecting ends of the air inlet pipe, the air outlet pipe and the feeding hopper are located below the hopper structure and are provided with grids. The utility model discloses to draw wind dust removal subassembly setting on feed hopper, reduced the influence of air convection to rice centrifugal operation, increase the screening effect of flat rotation formula rice classifying screen to rice.

Description

Horizontal rotation type rice grading sieve

Technical Field

The utility model belongs to the technical field of the rice processing, concretely relates to flat rotation formula rice classifying screen.

Background

The classification of the white rice is an important process in the rice processing process, and is mainly used for separating the full-grain rice from broken rice so as to ensure the quality of the commercial rice.

The rice grading sieve in the prior art comprises a linear vibrating sieve, a fine vibrating sieve, a flat-turn grading sieve and the like, wherein the flat-turn grading sieve is common equipment for rice grading treatment in a processing plant.

The horizontal-rotation classifying screen mainly utilizes the particle size difference between broken rice and whole rice, and automatically classifies the white rice by the aid of plane rotary motion of a screen surface through the screen surface with proper screen holes.

As shown in figure 1, the flat-turn classifying screen in the prior art comprises a screen drum 100, a feeding funnel 101 is arranged at the upper end of the screen drum, a rotating shaft 105 driven by a motor 104 is arranged in the screen drum, a plurality of screen holes are sequentially and progressively decreased on a screen surface 106 fixed on the rotating shaft from top to bottom, in operation, the motor is driven to rotate the rotating shaft, the rotating shaft rotates to drive a plurality of screen bodies to rotate to sieve rice in a classifying way, and meanwhile, the rice with heavier volume is guided out from a discharge hole 103.

The flat-turning classifying screen is also provided with ventilation equipment for removing rice bran, as shown in fig. 1, an air inlet pipe 102 and an air outlet pipe 107 are connected to a screen cylinder, an air blower is arranged in the air inlet pipe, the air outlet pipe is provided with an exhaust fan, and rice bran removing operation is carried out on white rice led out from a feeding hopper through air convection; but the air inlet pipe is communicated with the air outlet pipe and the screen drum, and the air which forms convection in the screen drum influences the centrifugal motion of the rice grains under the action of centrifugal force, thereby easily influencing the screening effect of the screen body on the white rice.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a flat rotation formula rice classifying screen has solved among the prior art and has influenced the problem of the screening effect of screen frame to the rice in the sieve section of thick bamboo when ventilating and removing dust.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a horizontal rotation type rice grading sieve comprises a feeding funnel, wherein the feeding funnel is provided with an induced air dust removal assembly and a speed control assembly matched with the induced air dust removal assembly for use, the speed control assembly comprises a plurality of interception plates, the interception plates are spliced and enclosed into a funnel structure consistent with the blanking direction of the feeding funnel, the upper end of the funnel structure is attached to the inner wall of the feeding funnel, and the discharge end of the funnel structure is arranged in a scalable mode through a driving assembly;

the induced air dust removal assembly comprises an air inlet pipe and an air outlet pipe which are communicated with the feeding hopper, the air inlet pipe is connected with an air blower, the air outlet pipe is connected with an exhaust fan, and the connecting ends of the air inlet pipe, the air outlet pipe and the feeding hopper are located below the hopper structure and are provided with grids.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses to draw wind dust removal subassembly setting on feed hopper, reduced the influence of air convection to rice centrifugal operation, increase the screening effect of flat rotation formula rice classifying screen to rice.

2. For the rice bran is effectively removed to the white rice that makes the move down, the utility model discloses the fast subassembly of accuse that sets up is through the whereabouts flow of the effective control white rice of zooming of control funnel structure discharge end, guarantees that the rice bran that contains in the white rice of whereabouts can effectively be derived under the effect of air-supply line and play tuber pipe.

Drawings

FIG. 1 is a schematic view of a prior art classifying screen;

FIG. 2 is a schematic structural view of the feeding funnel of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the engagement of the interception plate with the lever and the shaft pin according to the present invention;

FIG. 5 is a schematic structural view of the non-speed control assembly of the feeding funnel of the present invention;

FIG. 6 is a schematic structural view of the present invention with four intercepting plates in a closed state;

FIG. 7 is a schematic structural view of the four intercepting plates of the present invention in a scattered state;

fig. 8 is a schematic view of the installation of the four intercepting plates of the present invention in cooperation with the elastic plastic buffer layer in a scattered state.

In the figure, a feeding funnel 1, an annular frame 2, an air inlet pipe 4, an air outlet pipe 5, a rotating disc 6, a driving motor 7, an output shaft 8, a movable rod 9, a lever 10, a blocking plate 11, an elastic plastic buffer layer 111, a shaft pin 12, a strip-shaped through hole 13, an arc-shaped inserting sheet 14 and an arc-shaped slot 15.

Detailed Description

As shown in fig. 2-8, the utility model relates to a flat rotation formula rice classifying screen, including feed hopper 1, feed hopper 1 can set to coniform, triangular pyramid and four pyramids, for the convenience the utility model discloses the installation of the fast subassembly of accuse that the practicality set up, the utility model discloses feed hopper 1 that sets up is four pyramids.

The flat rotation formula rice classifying screen that leads to for reducing the air convection phenomenon that induced air dust removal subassembly setting produced in the barrel is to the poor problem of screening effect of rice, the utility model discloses to induced air dust removal subassembly setting on feed hopper 1, induced air dust removal subassembly includes the air-supply line 4 and the play tuber pipe 5 that communicate with each other and set up with feed hopper 1, air-supply line 4 is connected with the air-blower, it is connected with the exhaust fan to go out tuber pipe 5, for the practicality that can effectively cooperate induced air dust removal subassembly, still is equipped with the fast subassembly of accuse in feed hopper 1.

The fast subassembly of accuse includes polylith interception board 11, because the utility model discloses the feed hopper 1 that sets up is four pyramid shape, for the installation that makes things convenient for interception board 11, interception board 11 includes four, and the concatenation of four interception boards 11 encloses into the funnel structure unanimous with 1 unloading direction of feed hopper, the funnel structure also is four pyramid. And the connecting ends of the air inlet pipe 4, the air outlet pipe 5 and the feeding funnel 1 are positioned below the funnel structure and are provided with grids. In order to lead the rice fed above the feeding funnel 1 to be completely guided into the funnel structure, the upper end of the funnel structure is attached to the inner wall of the feeding funnel 1, and during specific installation, the upper end of each interception plate 11 is attached to the inner wall of the corresponding feeding funnel 1; for the control of the falling quantity of the rice by the material leaking structure, the rice in the material leaking structure is prevented from being blocked, and the discharge end of the funnel structure can be arranged in a scalable mode through the driving assembly.

For the installation connection of conveniently blocking board 11 and feed hopper 1 also for realizing the scaling of hourglass material structure discharge end, every blocks of blocking board 11 slope upper end is equipped with the lever 10 of outside extension, lever 10 runs through the bar through-hole 13 that feed hopper 1 lateral wall was seted up, lever 10 passes through pivot 12 and the feed hopper 1 swing joint that sets up in the bar through-hole 13. Because the utility model discloses the lever 10 that sets up uses pivot 12 to swing as the center under drive assembly's effect, then blocks board 11 and also can swing thereupon, when blocking board 11 downswing, blocks

board

11 and 1 lateral wall of feed hopper can have the clearance, for avoiding the rice to drop to the clearance in, is equipped with arc inserted sheet 14 on blocking board 11 and feed hopper 1 meet the side, is equipped with the arc slot 15 with 14 cooperation practicality of arc inserted sheet on feed hopper 1 lateral wall.

For enabling four levers 10 of drive assembly simultaneous drive, the utility model discloses set up drive assembly is including the annular frame 2 of connecting four levers 10, and four levers 10 all are articulated with annular frame 2, annular frame 2 articulates has the movable rod 9 of vertical setting, and movable rod 9 can reciprocate through the removal subassembly drive. The moving assembly comprises a driving motor 7 and a rotating disc 6 arranged on an output shaft 8 of the driving motor 7, wherein a movable rod 9 is hinged with the rotating disc 6 at an eccentric position. The driving motor 7 rotates to drive the rotating disc 6 to rotate, the rotating disc 6 rotates to drive the movable rod 9 to move up and down, the movable rod 9 moves up and down to drive the annular frame 2 to move up and down, the annular frame 2 moves up and down to drive the four levers 10 to swing along the shaft pins 12, the levers 10 swing to drive the interception plates 11 connected with the levers to swing along the shaft pins 12, and the four interception plates 11 swing to enable the discharge ends of the funnel structures enclosed by the interception plates to be arranged in a contracting and expanding mode.

In order to prevent the rice from falling between the adjacent interception plates 11 and extruding the falling rice when the plurality of interception plates 11 swing, an elastic plastic buffer layer 111 is arranged between any interception plate 11 and the adjacent interception plate.

The utility model discloses to draw wind dust removal subassembly setting on feed hopper 1, reduced the influence of air convection to rice centrifugal operation, increase the screening effect of flat rotation formula rice classifying screen to rice. For making the rice bran effectively removed of the white rice that moves down, the utility model discloses the fast subassembly of accuse that sets up is through the whereabouts flow of the effective control white rice of zooming of control funnel structure discharge end, guarantees that the rice bran that contains in the white rice of whereabouts can effectively be derived under the effect of air-supply line 4 and play tuber pipe 5.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a flat rotation formula rice classifying screen, includes feeding funnel, its characterized in that: the feeding hopper is provided with an induced air dust removal assembly and a speed control assembly matched with the induced air dust removal assembly for use, the speed control assembly comprises a plurality of intercepting plates, the intercepting plates are spliced to enclose a hopper structure consistent with the feeding direction of the feeding hopper, the upper end of the hopper structure is attached to the inner wall of the feeding hopper, and the discharging end of the hopper structure can be arranged in a scalable mode through a driving assembly;

2. A flat-turn rice grading screen as in claim 1, wherein: the feed hopper is four pyramid, and the polylith blocks the board and includes four that correspond the connection with four inside walls of feed hopper.

3. A rotary rice grading screen according to claim 1 or 2, wherein: the upper end of each intercepting plate is provided with a lever extending outwards, the lever penetrates through a strip-shaped through hole formed in the side wall of the feeding hopper, and the lever is movably connected with the feeding hopper through a shaft pin arranged in the strip-shaped through hole.

4. A flat-turn rice grading screen as in claim 3, wherein: the drive assembly comprises an annular frame connected with four levers, the four levers are hinged to the annular frame, the annular frame is hinged to a vertically arranged movable rod, and the movable rod can move up and down through the drive of the movable assembly.

5. A flat-turn rice grading screen as in claim 4, wherein: the moving assembly comprises a driving motor and a rotating disc arranged on an output shaft of the driving motor, wherein the movable rod is hinged with the eccentric position of the rotating disc.

6. A flat-turn rice grading screen as in claim 5, wherein: an elastic plastic buffer layer is arranged between any interception plate and the adjacent interception plate.