CN108620156B

CN108620156B - Grain skin sieving device

Info

Publication number: CN108620156B
Application number: CN201810359779.4A
Authority: CN
Inventors: 唐祥福
Original assignee: Fenggang Wanfu Food Co ltd
Current assignee: Fenggang Wanfu Food Co ltd
Priority date: 2018-04-20
Filing date: 2018-04-20
Publication date: 2020-04-10
Anticipated expiration: 2038-04-20
Also published as: CN108620156A

Abstract

The invention belongs to the technical field of food processing equipment, and particularly discloses a grain skin screening device which comprises a skin screening box and at least one set of dust collection mechanism, wherein a motor is arranged at the bottom of the skin screening box, a grinding disc is arranged at the upper part of an output shaft, the dust collection mechanism comprises a vertical pipe, a first one-way valve, a second one-way valve, a push rod and a pressing block, the vertical pipe is vertically and fixedly connected with one side of the skin screening box, a spring is connected between the upper end surface of the push rod and the upper part of the vertical pipe, an air suction pipeline is arranged in the push rod, the first one-way valve is arranged at the upper part of the vertical pipe, an air suction hole is formed at the lower part of the push rod; be equipped with feed inlet and discharge gate on the sieve skin case, the lowest department that is in the abrasive material dish inclined plane of feed inlet and discharge gate flushes. The invention is mainly used for screening the rice husk, and solves the problem that the rice is influenced to eat due to poor treatment effect on dust and the rice husk when the rice husk is subjected to husk screening operation after primary grinding.

Description

Grain skin sieving device

Technical Field

The invention belongs to the technical field of food processing equipment, and particularly discloses a grain husk sieving device.

Background

The cereal contains not only a large amount (about 70-80%) of carbohydrate, but also mostly starch. The starch of cereal is divided into amylose and amylopectin according to their molecular structure, and their processing characteristics and edible flavor are directly influenced by the difference of solubility, viscosity and easy digestion degree of the amylose and the amylopectin, and the different proportion of the amylose and the amylopectin in different cereals. The utilization rate of the grain carbohydrate is high, usually more than 90%, and is a main source of human body heat energy.

The cereal that the human often eats is the corn, and the corn is through the finished product of making behind processes such as clearance, rice huller, husk rice, finished product arrangement, at the corn processing in-process, need carry out the skin of sieve operation to the corn, when carrying out the skin of sieve operation to the corn, the following problem can generally appear in prior art processing corn: (1) the method comprises the following steps that a fan is used for blowing away rice husks and dust contained in rice from the rice, the wind power of the fan is too large, the rice in the treatment process can be blown away, as common equipment is provided with static electricity, part of the dust is adsorbed and remained in a treatment device, the husk sieving effect is poor, and the finally obtained rice contains more dust, so that the eating and the sale of the rice are influenced; (2) when the rice after primary grinding is peeled, the treatment capacity of the existing equipment for treating the rice is large, and partial rice enters the next treatment procedure without being peeled, so that the subsequent treatment of the rice is influenced, and the rice peeling effect is poor.

Disclosure of Invention

The invention aims to provide a grain skin screening device to solve the problem that rice eating is influenced due to poor treatment effect on dust and rice skin when the rice skin is screened after primary grinding.

In order to achieve the purpose, the basic scheme of the invention is as follows: the grain skin screening device comprises a skin screening box and at least one set of dust collection mechanism, wherein a motor with an upward output shaft is arranged at the bottom of the skin screening box, the output shaft is rotatably connected with the bottom of the skin screening box, a grinding disc fixedly connected with the output shaft is arranged on the upper portion of the output shaft, the upper end face of the grinding disc is arranged in an inclined plane, the grinding disc is rotatably and hermetically connected with the skin screening box, the dust collection mechanism comprises a vertical pipe, a first check valve, a second check valve, a push rod and a pressing block, the vertical pipe is vertically and fixedly connected with one side of the skin screening box, the push rod is in sliding and sealing connection with the vertical pipe, a spring is connected between the upper end face of the push rod and the upper portion of the vertical pipe; the push rod is internally provided with an air suction pipeline, the first one-way valve is positioned at the upper part of the vertical pipe and is communicated with the outside of the vertical pipe in a one-way mode, the lower part of the push rod is circumferentially provided with a plurality of air suction holes communicated with the air suction pipeline, and the lower part of the air suction pipeline is provided with a second one-way valve communicated with the inside of the air suction pipeline in a one-way mode; one side of sieve leather case is equipped with the feed inlet, the opposite side of sieve leather case is equipped with the discharge gate, the lowest of feed inlet and discharge gate all flushes with the lowest on abrasive disc inclined plane.

The working principle of the basic scheme is as follows: before using this device, stack the feed inlet department with the corn after grinding for the first time, the starter motor, the output shaft of motor rotates and drives the abrasive material dish and rotate, because the up end of abrasive material dish is the inclined plane, therefore, when the briquetting is moved to the low place by the eminence for the inclined plane of abrasive material dish, the push rod is downstream under the spring action, the push rod moves down in the standpipe, first check valve is in the closed condition, at this in-process, it is the negative pressure state to make the standpipe be located push rod up end top position, continue downstream in the standpipe along with the push rod, the second check valve is opened gradually, because the suction line, the suction hole all communicates with the upper portion of standpipe, consequently, suction line and suction hole department all are the negative pressure state, husk and dust in the sifter case pass through the suction hole under the negative pressure effect, the suction line enters into the upper portion of standpipe. When the briquetting moved to the eminence by the low department on inclined plane for the abrasive material dish, the abrasive material dish promoted briquetting and push rod and upwards moved in the standpipe, at the push rod rebound in-process, the pressure on standpipe upper portion increased gradually, and the second check valve is closed, and first check valve is opened, and when the briquetting was located the highest point on inclined plane, dust and the millet skin on standpipe upper portion were discharged outside the standpipe through first check valve.

When the lowest on abrasive material dish inclined plane and the lowest of feed inlet were leveled at ordinary times, corn entered into the screen skin incasement through the feed inlet, when the highest point of abrasive material dish when the feed inlet was relative, the higher one side in abrasive material dish position was with the feed inlet shutoff, and the lowest of abrasive material dish and the lowest of discharge gate flush mutually this moment, and the rice after the shelling is outside the discharge gate is slided to the inclined plane effect.

The beneficial effect of this basic scheme lies in:

(1) when the device is used for screening rice husks, the push rod is driven to move up and down through the rotation of the grinding disc, negative pressure can be formed on the upper portion of the vertical pipe through the up-and-down movement of the push rod, rice husks and dust can be sucked to the upper portion of the vertical pipe through the negative pressure effect, the pressing block and the push rod can move continuously through the continuous rotation of the grinding disc, dust can be removed and husked timely through the air suction hole, and the dust and the rice husks are effectively prevented from entering the next processing procedure;

(2) the device can realize intermittent feeding by utilizing the characteristics of high side and low side of the grinding disc, has small feeding amount during intermittent feeding, is convenient for the pressing block and the grinding disc to fully peel and remove dust of the paddy, and has good dust removal effect on the paddy;

(3) through the inclined plane on the abrasive material dish, can carry out automatic feed and the ejection of compact to the rice on the abrasive material dish, machining efficiency is high.

Compared with the prior art, this device is shelling the in-process to the corn and is realizing removing dust and shelling, can realize automatic feed and ejection of compact simultaneously, and dust removal effect is good, and machining efficiency is high.

Further, the upper portion of output shaft is equipped with coaxial first gear, the middle part of push rod is equipped with coaxial and rather than the second gear that rotates the connection, the standpipe is located the lower terminal surface of second gear and is equipped with coaxial impeller, impeller and second gear fixed connection, first gear and second gear meshing can drive first gear through the output shaft rotation of motor and rotate, and first gear rotates and drives second gear rotation, drives impeller rotation when the second gear rotates, and the impeller rotation can blow dust and chaff on the abrasive material dish, makes dust and chaff suspension at the screen skin incasement, and the pore of being convenient for breathes in has better suction effect to chaff and dust.

Further, the lower terminal surface of briquetting is the cambered surface, sets up like this and can form the clearance between briquetting and abrasive disc, and when the briquetting rotated for the abrasive disc, the corn was convenient for enter into between the cambered surface of clamp plate and the inclined plane of abrasive disc through the clearance, helped the briquetting fully mill the unhulled corn.

Further, the upper end of standpipe is connected with the dump bin that is used for collecting impurity, and dust and the husk of grain collected through standpipe upper portion have avoided discharging and have caused the injury to the health in the air in can entering into the dump bin, have also protected the environment simultaneously.

Further, feed inlet department is equipped with the blowing case, the bottom of blowing case is the inclined plane, the inclined plane lowest of blowing case flushes with the lowest of feed inlet, and after the blowing incasement was filled with corn, the corn after the first time milling under the inclined plane effect can enter into the sieve skin incasement through the feed inlet, has reduced the operation of artificial feeding.

Drawings

FIG. 1 is a schematic view of an embodiment of a grain skin screening device of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the grinding machine comprises a motor 1, a grinding disc 2, a leather screening box 3, a feeding hole 4, a discharging box 5, a discharging hole 6, a pressing block 7, a push rod 8, a vertical pipe 9, an air suction pipeline 10, an air suction hole 11, a spring 12, a waste box 13, a first gear 14, a second gear 15, an impeller 16, a first one-way valve 17, a second one-way valve 18, a frame 19 and a limiting block 20.

As shown in fig. 1, a grain skin screening device comprises a frame 19, a skin screening box 3 and at least one set of dust suction mechanism, preferably two sets of dust suction mechanisms in the embodiment; install output shaft to ascending motor 1 in the frame 19, install through the bolt and sieve leather case 3 in the position that frame 19 is located motor 1 top, the shaft hole has been seted up to the bottom of sieve leather case 3, installs the bearing in the shaft hole, and in motor 1's output shaft passed the bearing and stretched into sieve leather case 3, the welding had abrasive material dish 2 on the output shaft was located the position of sieve leather case 3, and the up end of abrasive material dish 2 was the inclined plane.

A set of dust collection mechanism is respectively arranged on the left side and the right side in the leather sieving box 3, the dust collection mechanism comprises a vertical pipe 9, a first one-way valve 17, a second one-way valve 18, a push rod 8 and a pressing block 7, the upper end of the vertical pipe 9 is connected with a waste material box 13 used for collecting impurities, the push rod 8 is connected with the vertical pipe 9 in a sliding and sealing mode, the first one-way valve 17 is installed on the position, above the push rod 8, of the vertical pipe 9, and the first one-way valve 17 conducts into the waste material box 13 in a one-; a spring 12 is connected between the upper end surface of the push rod 8 and the inner wall of the upper part of the vertical pipe 9, an air suction pipeline 10 is arranged along the length direction of the push rod 8, a plurality of air suction holes 11 are arranged along the circumferential direction of the lower part of the push rod 8, and the plurality of air suction holes 11 are communicated with the air suction pipeline 10; a second one-way valve 18 which is communicated with the inside of the air suction pipeline 10 in one way is arranged at the position of the air suction pipeline 10 above the air suction hole 11; the pressing block 7 is hinged with the lower end of the push rod 8 through a ball joint, and the lower end face of the pressing block 7 is a cambered surface.

The upper portion of output shaft installs coaxial first gear 14, and the mid-mounting of push rod 8 has coaxial second gear 15, and second gear 15 rotates from top to bottom with push rod 8 and is connected, and first gear 14 meshes with second gear 15, and the lower part processing of first gear 14 has stopper 20 that prevents second gear 15 and break away from, and the lower terminal surface welding under second gear 15 has impeller 16, and impeller 16 is coaxial with second gear 15.

A feed port 4 is formed in the left side of the leather screening box 3, a material discharging box 5 is installed at the feed port 4, the bottom plate of the material discharging box 5 is an inclined plane, and the lowest position of the right side of the material discharging box 5 is flush with the lowest position of the feed port 4; the lowest part of the feed port 4 is flush with the lowest part of the inclined surface of the abrasive disc 2; a discharge port 6 is arranged at the right side of the leather screening box 3 opposite to the feed port 4.

During the specific implementation, firstly, rice after primary grinding is put into the discharging box 5, the motor 1 is started, the output shaft of the motor 1 rotates to drive the grinding disc 2 to rotate, because the upper end surface of the grinding disc 2 is an inclined surface, the pressing block 7 rotates relative to the inclined surface when the grinding disc 2 rotates, when the pressing block 7 moves from a high position to a low position relative to the inclined surface of the grinding disc 2, the push rod 8 moves downwards under the pushing action of the spring 12, at the moment, the first one-way valve 17 is in a closed state, the push rod 8 moves downwards in the vertical pipe 9 under the action of the spring 12, the push rod 8 moves downwards to enable the position, above the upper end surface of the push rod 8, of the vertical pipe 9 to be in a negative pressure state, in the process, as the push rod 8 continues to move downwards in the vertical pipe 9, the second one-way valve 18 is gradually opened, and as the air suction pipe 10 and the air suction hole 11 are both communicated with the upper part of the vertical, the husk and dust in the husk sieving box 3 enter the upper part of the vertical pipe 9 through the air suction holes 11 and the air suction pipeline 10 under the action of negative pressure. When the pressing block 7 moves from the lower part of the inclined plane to the higher part relative to the abrasive disc 2, the inclined plane of the abrasive disc 2 pushes the pressing block 7 and the push rod 8 to move upwards in the vertical pipe 9, the pressure at the upper part of the vertical pipe 9 is gradually increased in the upward movement process of the push rod 8, the second one-way valve 18 is closed, the first one-way valve 17 is opened, and dust and cereal husks at the upper part of the vertical pipe 9 are pushed out of the vertical pipe 9 through the first one-way valve 17 and enter the waste bin 13; in the process, the pressing block 7 moves relative to the grinding disc 2, and the lower end face of the pressing block 7 is a cambered surface, so that the cambered surface on the pressing block 7 can grind unhulled rice in the husk sieving box 3; in the process, the output shaft rotates to drive the first gear 14 to rotate, the first gear 14 rotates to drive the second gear 15, the second gear 15 rotates to drive the impeller 16 to rotate, the impeller 16 rotates to drive air to flow, air flow enables dust and chaff on the grinding material disc 2 to be suspended in the husk sieving box 3, and when the upper portion of the vertical pipe 9 is in a negative pressure state, the dust and the chaff can conveniently enter the waste bin 13 through the air suction hole 11 and the air suction pipeline 10. When the push rod 8 moves up and down, the second gear 15 moves up and down along the tooth grooves of the first gear 14, and the limit block 20 can prevent the second gear 15 from being disengaged from the first gear 14.

When the lowest on 2 inclined planes of abrasive material dish and the downside edge of feed inlet 4 were leveled at ordinary times, the corn entered into the sieve skin case 3 under the effect on 5 bottom inclined planes of blowing case, when the highest point of abrasive material dish 2 was relative to each other with feed inlet 4, abrasive material dish 2 was with 4 shutoff of feed inlet, and the lowest of abrasive material dish 2 was flushed mutually with the lowest of discharge gate 6 this moment, and rice after shelling slided outside discharge gate 6 under the inclined plane effect.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The grain skin screening device is characterized by comprising a skin screening box and at least one set of dust collection mechanism, wherein the bottom of the skin screening box is provided with a motor with an upward output shaft, the output shaft is rotatably connected with the bottom of the skin screening box, the upper part of the output shaft is provided with a grinding disc fixedly connected with the output shaft, the upper end surface of the grinding disc is arranged in an inclined plane, the grinding disc is rotatably and hermetically connected with the skin screening box, the dust collection mechanism comprises a vertical pipe, a first one-way valve, a second one-way valve, a push rod and a pressing block, the vertical pipe is vertically and fixedly connected with one side of the skin screening box, the push rod is in sliding and sealing connection with the vertical pipe, a spring is connected between the upper end surface of the push rod and the upper part of; the push rod is internally provided with an air suction pipeline, the first one-way valve is positioned at the upper part of the vertical pipe and is communicated with the outside of the vertical pipe in a one-way mode, the lower part of the push rod is circumferentially provided with a plurality of air suction holes communicated with the air suction pipeline, and the lower part of the air suction pipeline is provided with a second one-way valve communicated with the inside of the air suction pipeline in a one-way mode; a feed port is formed in one side of the screening box, a discharge port is formed in the other side of the screening box, and the lowest positions of the feed port and the discharge port are flush with the lowest position of the inclined surface of the grinding disc; firstly, grains after primary grinding are piled at a feeding hole, a motor is started, an output shaft of the motor rotates to drive a grinding disc to rotate, and as the upper end face of the grinding disc is an inclined face, when a pressing block moves from a high position to a low position relative to the inclined face of the grinding disc, a push rod moves downwards under the action of a spring and moves downwards in a vertical pipe; when the briquetting moved to the eminence by the low department on inclined plane for the abrasive material dish, the abrasive material dish promoted briquetting and push rod and upwards moved in the standpipe, at the push rod rebound in-process, the pressure on standpipe upper portion increased gradually, and the second check valve is closed, and first check valve is opened, and when the briquetting was located the highest point on inclined plane, dust and the millet skin on standpipe upper portion were discharged outside the standpipe through first check valve.

2. The grain skin screening device of claim 1, wherein the upper portion of the output shaft is provided with a first gear, the middle portion of the push rod is provided with a second gear, the second gear is coaxially and rotatably connected with the push rod, the vertical pipe is provided with a coaxial impeller on the lower end face of the second gear, the impeller is fixedly connected with the second gear, and the first gear is meshed with the second gear.

3. The grain skin screen of claim 1, wherein the lower end surface of the briquette is a cambered surface.

4. The grain skin screen of claim 3, wherein the standpipe has a waste bin connected to an upper end thereof for collecting impurities.

5. The grain skin screening device of claim 4, wherein the feed inlet is provided with a feed bin, the bottom of the feed bin is inclined, and the lowest part of the inclined plane of the feed bin is flush with the lowest part of the feed inlet.