CN114146907A

CN114146907A - Fine screening device for rice processing

Info

Publication number: CN114146907A
Application number: CN202111474783.3A
Authority: CN
Inventors: 胡双辉
Original assignee: Hongjiang Fengyuan Agricultural Development Co ltd
Current assignee: Hongjiang Fengyuan Agricultural Development Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-03-08

Abstract

The invention discloses a fine screening device for rice processing, which comprises a base and a fixing frame, wherein a feeding barrel is fixedly connected inside the base, a motor frame is fixedly connected at the top end of the feeding barrel, a first driving motor is fixedly connected inside the motor frame, two ends inside the feeding barrel are rotatably connected with a screw rod through a bearing, an output shaft on the first driving motor is rotatably connected with the screw rod through a coupler, the top of the feeding barrel is fixedly connected with a discharging conveying table, and the bottom of the feeding barrel is fixedly connected with a feeding conveying table. Can carry out multistage screening to the rice through setting up of a pay-off section of thick bamboo, first screening mechanism and second screening mechanism, realize the fine screen of rice, this kind of fine screen device is used in rice processing has higher practical value in the aspect of the fine screen device is used in processing to the rice.

Description

Fine screening device for rice processing

Technical Field

The invention relates to the field of fine screening devices for rice processing, in particular to a fine screening device for rice processing.

Background

The rice is made by removing husk (glume) and cortex (bran layer) from rice. The rice grain consists of husk, cortex, embryo and endosperm. The purpose of rice processing is to separate the endosperm from other parts with a minimum degree of fragmentation to produce rice of good quality for consumption, which must be screened for distribution on the market.

At present, current rice screening plant can only sieve the broken rice, and that then can't sieve than the bigger large granule impurity of grain of rice, lead to large granule impurity and the mixed together of grain of rice, and the screening effect is not good, can not carry out the fine screen to the rice of equidimension after sieving the broken rice moreover.

Therefore, the fine screening device for rice processing is improved.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a fine screening device for rice processing, which comprises a base and a fixing frame, wherein a feeding barrel is fixedly connected inside the base, a motor frame is fixedly connected at the top end of the feeding barrel, a first driving motor is fixedly connected inside the motor frame, two ends inside the feeding barrel are rotatably connected with a screw rod through bearings, an output shaft on the first driving motor is rotatably connected with the screw rod through a coupler, a discharging conveying table is fixedly connected at the top of the feeding barrel, a feeding conveying table is fixedly connected at the bottom of the feeding barrel, a dust suction mechanism is fixedly connected at the periphery of the top of the feeding barrel, a rotating mechanism is fixedly connected at the top end of the fixing frame, a screening box is fixedly connected inside the fixing frame, a feeding hopper is fixedly connected at the top end of the screening box, and a first screening mechanism and a second screening mechanism are respectively arranged inside the screening box.

According to a preferred technical scheme, a plurality of heating resistance wires are arranged inside a feeding barrel body, a sleeve is arranged between the inner wall of the feeding barrel and a screw rod, a plurality of broken rice holes are formed in the sleeve barrel body, a broken rice discharging table is fixedly connected to the periphery of the feeding barrel, an annular material guiding table is arranged between the bottom of the inner wall of the feeding barrel and the bottom of the sleeve, and the inclined direction of the annular material guiding table is the direction of the annular material guiding table.

As a preferable technical scheme of the invention, the dust collection mechanism comprises a dust collection fan, a dust collection port of the dust collection fan is fixedly connected with the periphery of the top of the feeding barrel, the dust collection port is communicated with the interior of the feeding barrel, and a dust collection bag is fixedly connected with a dust outlet of the dust collection fan.

According to a preferable technical scheme, the first screening mechanism comprises four rollers, the four rollers are fixedly connected with the top end of the fixing frame, the four rollers are connected with a screening disk in a sliding mode, sliding blocks are fixedly connected to two sides of the screening disk, and the screening disk is connected with the inner wall of the screening box in a sliding mode through the sliding blocks.

As a preferred technical scheme of the invention, the rotating mechanism comprises two bearing seats, the two bearing seats are fixedly connected with the top end of the fixing frame, a rotating shaft is rotatably connected between the two bearing seats, a belt pulley is sleeved on the periphery of the rotating shaft, a second driving motor is fixedly connected inside the fixing frame, an output shaft on the second driving motor is in transmission connection with the belt pulley through a belt, one end of the rotating shaft is fixedly connected with a first connecting rod, and the first connecting rod is fixedly connected with the sieve tray.

As a preferable technical scheme of the invention, the second screening mechanism comprises a first sliding block and a second sliding block, a rotary filter frame is fixedly connected between the first sliding block and the second sliding block, a connecting rotating shaft is arranged in the middle of the rotary filter frame, and the height of the first sliding block is higher than that of the second sliding block.

As a preferable technical scheme of the invention, one side of the screening box is fixedly connected with a fixed plate, the top end of the fixed plate is fixedly connected with a third driving motor, an output shaft of the third driving motor is rotatably connected with a second connecting rod through a bearing, and one end of the second connecting rod, which is far away from the third driving motor, is fixedly connected with the first sliding block.

As a preferable technical scheme, one side, far away from the fixed plate, of the screening box is fixedly connected with a discharging channel, a sliding groove is formed in the discharging channel, and the discharging channel is in sliding connection with the second sliding block through the sliding groove.

As a preferred technical scheme of the invention, a first collecting box is arranged in the screening box, a second collecting box is arranged at the bottom of the discharging channel, and four corners of the bottom ends of the first collecting box and the second collecting box are fixedly connected with universal wheels.

The invention has the beneficial effects that:

1. according to the fine screening device for rice processing, the interior of the feeding barrel can be heated through the arrangement of the heating resistance wire, so that rice is dried in the primary screening process, the phenomenon that the rice blocks a screen due to moisture is avoided, the sleeve can screen out smaller broken rice in the drying and conveying processes, the broken rice is sent out through the annular material guide table, and the broken rice can be screened out primarily;

2. according to the fine screening device for rice processing, due to the arrangement of the dust collection fan, dust can be collected after rice is conveyed to the top of the feeding barrel, and the influence of dust on the quality of the rice is avoided; through the arrangement of the stone screening disc and the idler wheels, the friction force between the stone screening disc and the idler wheels is small, so that the stone screening disc and the idler wheels can slide mutually, stones can be screened conveniently, and the stone screening disc and the screening box are matched to play a role in guiding and fixing;

3. according to the fine screening device for rice processing, the first connecting rod can reciprocate through the mutual matching of the first connecting rod and the second driving motor in the rotating mechanism through the arranged rotating mechanism, so that the sieve stone disc is driven to reciprocate, rice in the sieve stone disc can be screened, and broken stones in the rice are screened to prevent the influence on the quality of the rice;

4. this kind of rice processing is with fine screen device, through the setting of third driving motor and second connecting rod, the cooperation of third driving motor and second connecting rod can make first slider carry out reciprocating motion, and then can sieve, makes the screening effect better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall schematic view of a fine screening apparatus for rice processing according to the present invention;

FIG. 2 is a partial internal structure view of a feeding barrel of the fine screening device for rice processing according to the present invention;

FIG. 3 is a schematic structural view of a first screening mechanism of the fine screening device for rice processing according to the present invention;

FIG. 4 is a schematic structural view of a second screening mechanism of the fine screening device for rice processing according to the present invention;

fig. 5 is a partially enlarged view of a rotating mechanism of a fine sieving apparatus for rice processing according to the present invention.

In the figure: 1. a base; 2. a feed cylinder; 201. a sleeve; 202. a crushed rice discharging platform; 203. an annular material guide table; 3. a first drive motor; 4. a screw rod; 5. a discharge conveying table; 501. a feed conveyor table; 6. a dust suction mechanism; 7. a fixed mount; 8. a rotating mechanism; 801. a bearing seat; 802. a rotating shaft; 803. a belt pulley; 804. a second drive motor; 805. a first link; 9. screening the box; 10. a feed hopper; 11. a first screening mechanism; 1101. a roller; 1102. screening a stone plate; 12. a second screening mechanism; 1201. a first slider; 1202. a second slider; 1203. rotating the filter frame; 1204. a third drive motor; 1205. a second link; 1206. a discharge passage.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-5, the invention relates to a fine screening device for rice processing, which comprises a base 1 and a fixed frame 7, wherein a feeding cylinder 2 is fixedly connected inside the base 1, a motor frame is fixedly connected to the top end of the feeding cylinder 2, a first driving motor 3 is fixedly connected inside the motor frame, two ends inside the feeding cylinder 2 are rotatably connected with a spiral rod 4 through bearings, an output shaft on the first driving motor 3 is rotatably connected with the spiral rod 4 through a coupler, a discharging conveying table 5 is fixedly connected to the top of the feeding cylinder 2, a feeding conveying table 501 is fixedly connected to the bottom of the feeding cylinder 2, a dust suction mechanism 6 is fixedly connected to the periphery of the top of the feeding cylinder 2, a rotating mechanism 8 is fixedly connected to the top end of the fixed frame 7, a screening box 9 is fixedly connected inside the fixed frame 7, a feeding funnel 10 is fixedly connected to the top end of the screening box 9, and a first screening mechanism 11 and a second screening mechanism 12 are respectively arranged inside the screening box 9.

Wherein, the inside a plurality of heating resistor silk that are provided with of 2 barrels of a pay-off section of thick bamboo, be provided with sleeve 201 between 2 inner walls of a pay-off section of thick bamboo and the hob 4, a plurality of garrulous rice holes have been seted up to sleeve 201 barrel, 2 periphery fixedly connected with garrulous rice ejection of compact platforms 202 of a pay-off section of thick bamboo, be provided with annular guide material platform 203 between 2 inner walls of a pay-off section of thick bamboo bottom and the sleeve 201 bottom, and the incline direction of annular guide material platform 203 is the direction of annular guide material platform 203, the setting of heating resistor silk can heat 2 inside of a pay-off section of thick bamboo, make the rice dry at the in-process of prescreening, avoid rice moist jam screen cloth, sleeve 201 can be dried and select less garrulous rice at the in-process sieve of conveying, garrulous rice rethread has annular guide material platform 203 to see off, can carry out the garrulous rice of preliminary screening.

Wherein, dust absorption mechanism 6 includes dust absorption fan, and dust absorption fan dust absorption mouth and 2 top periphery fixed connection of stack pallet, and the dust absorption mouth is linked together with 2 insides of stack pallet, and dust absorption fan goes out dust mouth fixedly connected with dust bag, and dust absorption fan's setting can convey to 2 tops of stack pallet after the rice and carry out the dust absorption processing to it, avoids the quality of dust influence rice.

Wherein, first screening mechanism 11 includes four gyro wheels 1101, four gyro wheels 1101 all with 7 top fixed connection of mount, four gyro wheels 1101 sliding connection have sieve stone dish 1102, the equal fixedly connected with fixed slider in sieve stone dish 1102 both sides, sieve stone dish 1102 passes through slider and screening case 9 inner wall sliding connection, through the sieve stone dish 1102 and the gyro wheel 1101 that set up, frictional force is little between sieve stone dish 1102 and the gyro wheel 1101, be convenient for carry out mutual slip between the two, and then be convenient for sieve and remove the stone, sieve stone dish 1102 and screening case 9's cooperation plays the fixed effect of direction.

Wherein, slewing mechanism 8 includes two bearing frames 801, two bearing

frames

801 and 7 top fixed connection of mount, it is connected with axis of rotation 802 to rotate between two bearing frames 801, axis of rotation 802 periphery cover is equipped with belt pulley 803, the inside fixedly connected with second driving motor 804 of mount 7, output shaft and belt pulley 803 on the second driving motor 804 pass through belt drive and are connected, the first connecting rod 805 of axis of rotation 802 one end fixedly connected with, first connecting rod 805 and sieve stone dish 1102 fixed connection, slewing mechanism 8 through setting up, the inside first connecting rod 805 of slewing mechanism 8 and the mutually supporting of second driving motor 804 can make first connecting rod 805 carry out reciprocating motion, and then drive sieve stone dish 1102 and carry out reciprocating motion, can sieve the inside rice of sieve stone dish 1102, sieve the rubble in the rice and prevent to influence the rice quality.

Wherein, the second screening mechanism 12 includes first slider 1201 and second slider 1202, fixedly connected with rotates filter frame 1203 between first slider 1201 and the second slider 1202, it is provided with the connection pivot to rotate filter frame 1203 middle part, the height of first slider 1201 and the height that is higher than second slider 1202, the setting of first slider 1201 and second slider 1202 can be fixed rotating filter frame 1203, and make rotating filter frame 1203 can make rotating filter frame 1203 reciprocate through connecting the pivot, can sieve the rice of equidimension not.

Wherein, 9 one sides fixedly connected with fixed plates of screening case, fixed plate top fixed connection third driving motor 1204, third driving motor 1204 output shaft rotates through the bearing and is connected with second connecting rod 1205, third driving motor 1204 one end and first slider 1201 fixed connection are kept away from to second connecting rod 1205, setting through third driving motor 1204 and second connecting rod 1205, the cooperation of third driving motor 1204 and second connecting rod 1205 can make first slider 1201 carry out reciprocating motion, and then can sieve, it is better to make the screening effect.

Wherein, screening case 9 keeps away from fixed plate one side fixedly connected with discharging channel 1206, and discharging channel 1206 has inside seted up the spout, and discharging channel 1206 passes through spout and second slider 1202 sliding connection, through the discharging channel 1206 who sets up, can sieve out the rice screening of a bit after the screening and see off through discharging channel 1206.

Wherein, screening case 9 is inside to be provided with first collecting box 901, and discharging channel 1206 bottom is provided with second collecting box 902, and the equal fixedly connected with universal wheel in first collecting box 901 and the second collecting box 902 bottom four corners is convenient for collect two kinds of rice through first collecting box 901 and the second collecting box 902 that set up.

The working principle is as follows: the fine screening device for rice processing is different from the prior art, has reasonable structure, convenient use and simple operation, and can enable a user to simply and clearly understand the working principle; when the rice screening device is used, rice enters the feeding barrel 2 through the feeding conveying table 501, the rice is screened, crushed and dried through the matching of the spiral rod 4 and the sleeve 201 in the feeding barrel 2, dust can be collected, the rice is finally conveyed to the feeding hopper 10 through the discharging conveying table 5, the rice enters the screening box 9 and is screened secondarily through the first screening mechanism 11 and the second screening mechanism 12, the rice falls into the first collecting box 901 and the second collecting box 902 after screening is finished, the heating resistance wire is arranged to heat the interior of the feeding barrel 2, the rice is dried in the primary screening process, the screen mesh is prevented from being blocked by the wet rice, the sleeve 201 can screen out small crushed rice in the drying and conveying processes, the crushed rice is sent out through the annular material guide table 203, the crushed rice can be screened primarily, and the set sieve stone plate 1102 and the idler wheel 1101 are arranged, frictional force is little between sieve stone dish 1102 and the gyro wheel 1101, be convenient for carry out mutual slip between the two, and then be convenient for sieve and remove the stone, sieve stone dish 1102 and the fixed effect of direction is played in the cooperation of screening case 9, the setting of third driving motor 1204 and second connecting rod 1205, the cooperation of third driving motor 1204 and second connecting rod 1205 can make first slider 1201 carry out reciprocating motion, and then can sieve, make the screening effect better.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, 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 by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fine screening device for rice processing comprises a base (1) and a fixing frame (7) and is characterized in that a feeding barrel (2) is fixedly connected inside the base (1), a motor frame is fixedly connected to the top end of the feeding barrel (2), a first driving motor (3) is fixedly connected inside the motor frame, spiral rods (4) are rotatably connected to two ends inside the feeding barrel (2) through bearings, an output shaft on the first driving motor (3) is rotatably connected with the spiral rods (4) through a coupler, a discharging conveying table (5) is fixedly connected to the top of the feeding barrel (2), a feeding conveying table (501) is fixedly connected to the bottom of the feeding barrel (2), a dust collection mechanism (6) is fixedly connected to the periphery of the top of the feeding barrel (2), a rotating mechanism (8) is fixedly connected to the top end of the fixing frame (7), a screening box (9) is fixedly connected to the inside of the fixing frame (7), screening case (9) top fixedly connected with feed hopper (10), screening case (9) inside is provided with first screening mechanism (11) and second screening mechanism (12) respectively.

2. The fine screening device for rice processing as claimed in claim 1, wherein a plurality of heating resistance wires are arranged inside the feeding barrel (2), a sleeve (201) is arranged between the inner wall of the feeding barrel (2) and the screw rod (4), a plurality of broken rice holes are formed in the sleeve (201), a broken rice discharging table (202) is fixedly connected to the periphery of the feeding barrel (2), an annular material guiding table (203) is arranged between the bottom of the inner wall of the feeding barrel (2) and the bottom of the sleeve (201), and the inclined direction of the annular material guiding table (203) is the direction of the annular material guiding table (203).

3. The fine screening device for rice processing as claimed in claim 1, wherein the dust suction mechanism (6) comprises a dust suction fan, a dust suction port of the dust suction fan is fixedly connected with the periphery of the top of the feeding barrel (2), the dust suction port is communicated with the interior of the feeding barrel (2), and a dust collection bag is fixedly connected with a dust outlet of the dust suction fan.

4. The fine screening device for rice processing according to claim 1, wherein the first screening mechanism (11) comprises four rollers (1101), the four rollers (1101) are fixedly connected with the top end of a fixing frame (7), a screening disk (1102) is slidably connected with the four rollers (1101), sliding blocks are fixedly connected with two sides of the screening disk (1102), and the screening disk (1102) is slidably connected with the inner wall of the screening box (9) through the sliding blocks.

5. The fine screening device for rice processing as claimed in claim 1, wherein the rotating mechanism (8) comprises two bearing seats (801), two bearing seats (801) are fixedly connected with the top end of a fixing frame (7), a rotating shaft (802) is rotatably connected between the two bearing seats (801), a belt pulley (803) is sleeved on the periphery of the rotating shaft (802), a second driving motor (804) is fixedly connected inside the fixing frame (7), an output shaft on the second driving motor (804) is connected with the belt pulley (803) through belt transmission, a first connecting rod (805) is fixedly connected with one end of the rotating shaft (802), and the first connecting rod (805) is fixedly connected with a sieve plate (1102).

6. The fine screening device for rice processing as claimed in claim 1, wherein the second screening mechanism (12) comprises a first sliding block (1201) and a second sliding block (1202), a rotary filtering frame (1203) is fixedly connected between the first sliding block (1201) and the second sliding block (1202), a connecting rotating shaft is arranged in the middle of the rotary filtering frame (1203), and the height of the first sliding block (1201) is higher than that of the second sliding block (1202).

7. The fine screening device for rice processing as claimed in claim 1, wherein a fixed plate is fixedly connected to one side of the screening box (9), the top end of the fixed plate is fixedly connected with a third driving motor (1204), an output shaft of the third driving motor (1204) is rotatably connected with a second connecting rod (1205) through a bearing, and one end, far away from the third driving motor (1204), of the second connecting rod (1205) is fixedly connected with the first sliding block (1201).

8. The fine screening device for rice processing as claimed in claim 1, wherein a discharging channel (1206) is fixedly connected to one side of the screening box (9) far away from the fixing plate, a sliding groove is formed in the discharging channel (1206), and the discharging channel (1206) is slidably connected with the second sliding block (1202) through the sliding groove.

9. The fine screening device for rice processing as claimed in claim 1, wherein a first collecting box (901) is arranged inside the screening box (9), a second collecting box (902) is arranged at the bottom of the discharging channel (1206), and universal wheels are fixedly connected to four corners of the bottom ends of the first collecting box (901) and the second collecting box (902).