CN201329346Y

CN201329346Y - Cleaning sieve

Info

Publication number: CN201329346Y
Application number: CNU2008202277555U
Authority: CN
Inventors: 刘忠霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-09
Filing date: 2008-12-09
Publication date: 2009-10-21
Anticipated expiration: 2018-12-09

Abstract

The utility model discloses a cleaning sieve, which belongs to the field of sieves. The utility model has the main technical scheme that the cleaning sieve comprises a case; the case is provided with a grain inlet and a grain outlet; a sieve body is arranged in the case; the sieve body comprises a cylindrical inner sieve and an outer sieve; the inner sieve and the outer sieve are in coaxial arrangement; a connecting rid is arranged between the inner sieve and the outer sieve; sieve holes of the inner sieve are larger than that of the outer sieve; the front end of the inner sieve is communicated with the grain inlet; the back end of the outer sieve is communicated with the grain outlet; the front end of the sieve body is higher than the back end, and the sieve body is arranged slantingly. The cleaning sieve has the advantages of small occupied space, low noise, no fly dust and convenient use, and can be used for sieving different grains through changing the sieve bodies with different sieve holes.

Description

The cleaning sieve

Technical field

The utility model belongs to sieve tool technical field, relates in particular to a kind of cleaning sieve.

Background technology

Grains such as corn, wheat, cereal often have foreign material such as a large amount of dusts, wadding hair, wheat bran through behind the mechanical threshing in grain, be unfavorable for airing, storage and the deep processing of grain, must impurity be removed through sieve nest.The main vibratory sieve that adopts of the cleaning sieve that uses at present is fixed with sieve in the sieve tray of rocking, and along with rocking of sieve tray, impurity and grain are separately.For better removal of impurities, the sieve sheet is two up and down, and wadding hair that like this will be lighter etc. is stayed on the top sieve sheet, and dust etc. drop on following sieve sheet below, and grain is stayed following sieve sheet top.Adopt the sieve nest of said structure, have following shortcoming: one, because adopting, the sieve holder rocks structure, noise is big during work, and need the housing design is bigger, waste material not only, and also it is big to take up room; Its two, in the course of the work, stir up a cloud of dust, operator's health is had harm.

The utility model content

The technical problem of solution of the present utility model just provide a kind of take up room little, noise is little, no flying dust, cleaning easy to use sieve.

For solving the problems of the technologies described above, the technical scheme that the utility model cleaning sieve adopts is: comprise with charging aperture and grain discharging opening and the inner housing that is provided with sieve nest, described sieve nest comprises the cylindric inner and outer sieve of coaxial setting, be provided with dowel between the described inner and outer sieve, the sieve aperture of described interior sieve is greater than the sieve aperture of outer sieve, the front end of described interior sieve is communicated with described charging aperture, the rear end of described outer sieve is communicated with described grain discharging opening, and the sieve nest front end is higher than ground, rear end slant setting.

Its additional technical feature is:

Be provided with interior sieve string at described interior sieve, be provided with outer sieve string at described outer sieve;

Be provided with mandrel outlet at described housing, the length of described interior sieve is greater than the length of outer sieve, and the two ends of interior sieve stretch out described outer sieve two ends, and the rear end of described interior sieve exports with described mandrel and is connected;

Described charging aperture and described in be provided with dust export between the sieve, described dust export is connected with first air-introduced machine by first guide duct, is provided with dust in described dust export lower end and precipitates the chamber;

Below described housing, be provided with miscellaneous object outlet, in described, be provided with the fine hair outlet between sieve and the described grain discharging opening, be provided with air blast between the sieve in described fine hair exports and is described, described fine hair outlet connects and is connected with described miscellaneous object outlet by second guide duct, second air-introduced machine.

Cleaning sieve provided by the utility model compared with prior art has the following advantages: one, because sieve nest comprises the cylindric inner and outer sieve of coaxial setting, be provided with dowel between the described inner and outer sieve, the sieve aperture of described interior sieve is greater than the sieve aperture of outer sieve, the front end of described interior sieve is communicated with described charging aperture, the rear end of described outer sieve is communicated with described grain discharging opening, the sieve nest front end is higher than ground, rear end slant setting, along with sieve nest rotates, the thing that the impurity that batting etc. are lighter and volume ratio are bigger is stayed in the interior sieve, grain is then stayed between the inner and outer sieve, and dust or short grained material then sieve in the outside housing outside; Its two owing to be provided with interior sieve string at described interior sieve, be provided with outer sieve string at described outer sieve, can increase the intensity of screen cloth, improve the weight of processing grain, can not damage screen cloth by pressure; They are three years old, owing between described charging aperture and described interior sieve, be provided with dust export, described dust export is connected with first air-introduced machine by first guide duct, be provided with dust precipitation chamber in described dust export lower end, the impurity such as dust are under the effect of first guide duct and first air-introduced machine, with dust sucking-off from grain, be deposited in then in the dust precipitation chamber, prevented that dust flies out in the subsequent handling, flown upward everywhere, staff's health has been impacted; They are four years old, owing to below described housing, be provided with miscellaneous object outlet, between described interior sieve and described grain discharging opening, be provided with the fine hair outlet, between described fine hair outlet and described interior sieve, be provided with air blast, described fine hair outlet connects and is connected with described miscellaneous object outlet by second guide duct, second air-introduced machine, air blast separates grain and the batting that is mixed in the grain, batting is got rid of housing through miscellaneous object outlet under the effect of second guide duct, second air-introduced machine.

Description of drawings

Fig. 1 is the structural representation of the utility model cleaning sieve;

Fig. 2 is the structural representation of sieve nest;

Fig. 3 is the radial section schematic diagram of sieve nest.

The specific embodiment

Be described in further details below in conjunction with the structure and the use principle of accompanying drawing the utility model cleaning sieve.

As shown in Figure 1, the housing 1 that the utility model cleaning sieve comprises, on housing 1, have charging aperture 11 and grain discharging opening 12, be provided with sieve nest 2 in the inside of housing 1, the structure of sieve nest 2 as shown in Figures 2 and 3, sieve nest 2 comprises sieve 21 and outer sieve 22 in coaxial setting cylindric, in the sieve 21 and sieve 22 outward between be provided with dowel 23, in sieve 21 sieve aperture 24 greater than the sieve aperture 25 of outer sieve 22, the front end of interior sieve 21 is communicated with charging aperture 11, sieves 22 rear end outward and is communicated with grain discharging opening 12.Sieve nest 2 tilts to place, and the front end that is positioned at charging aperture 11 is higher than the rear end that is positioned at grain discharging opening 12.The rear end of interior sieve 21.

In order to increase the intensity of interior sieve 21 and outer sieve 22, prevent that interior sieve 21 and outer sieve 22 from being damaged by pressure, be provided with interior sieve string 26 at interior sieve 21, sieve outside and be provided with outer sieve string 27 on 22.

Be provided with mandrel outlet 14 at housing 1, the length of interior sieve 21 is greater than the length of outer sieve 22, and the two ends of interior sieve 21 stretch out the two ends of outer sieve 22, and the rear end of interior sieve 21 exports 14 with mandrel and is connected.

In order to prevent that dust flies out in the subsequent handling, fly upward everywhere, health to the staff impacts, between charging aperture 11 and interior sieve 21, be provided with dust export 3, dust export 3 is connected with first air-introduced machine 51 by first guide duct 41, is provided with dust precipitation chamber 31 in the lower end of dust export 3.Like this, impurity such as dust just under the effect of first guide duct 41 and first air-introduced machine 51, with dust sucking-off from grain, were deposited in the dust precipitation chamber 31 before entering sieve nest 2 then, had prevented that effectively dust flies out in the subsequent handling, flies upward everywhere.

Below housing 1, be provided with miscellaneous object outlet 61, sieve outside 21 and the grain discharging opening between be provided with fine hair outlet 62, fine hair outlet 62 with outside be provided with air blast 7 between sieving 22, fine hair outlet 62 is connected with miscellaneous object outlet 61 by second guide duct 42, second air-introduced machine 52, air blast 7 dispels out grain and the wadding hair that is mixed in the grain, the wadding hair is got rid of housing 1 through miscellaneous object outlet 61 under the effect of second guide duct 42, second air-introduced machine 52.So that do not contain the impurity such as batting in the grain.

When adding man-hour, pending grain in entering, charging aperture 11 is sieved 21, rotation along with sieve nest 2, the wadding hair waits lighter impurity and the bigger thing of volume ratio to stay in the interior sieve 21, grain is then stayed interior sieve 21 and is sieved between 22 outward, dust or short grained material then sieve in the housing of 22 outsides outside, get rid of housing 1 through miscellaneous object outlet 61.For different grains, the sieve nest of changing different sieve apertures gets final product.

Claims

1, cleaning sieve, comprise with charging aperture and grain discharging opening and the inner housing that is provided with sieve nest, it is characterized in that: described sieve nest comprises the cylindric inner and outer sieve of coaxial setting, be provided with dowel between the described inner and outer sieve, the sieve aperture of described interior sieve is greater than the sieve aperture of outer sieve, the front end of described interior sieve is communicated with described charging aperture, and the rear end of described outer sieve is communicated with described grain discharging opening, and the sieve nest front end is higher than ground, rear end slant setting.

2, cleaning sieve according to claim 1 is characterized in that: be provided with interior sieve string at described interior sieve, be provided with outer sieve string at described outer sieve.

3, cleaning sieve according to claim 1, it is characterized in that: be provided with the mandrel outlet at described housing, the length of described interior sieve is greater than the length of outer sieve, and the two ends of interior sieve stretch out described outer sieve two ends, and the rear end of described interior sieve is connected with described mandrel outlet.

4, cleaning sieve according to claim 1, it is characterized in that: described charging aperture and described in the sieve between be provided with dust export, described dust export is connected with first air-introduced machine by first guide duct, is provided with dust precipitation chamber in described dust export lower end.

5, cleaning sieve according to claim 1, it is characterized in that: below described housing, be provided with miscellaneous object outlet, in described, be provided with the fine hair outlet between sieve and the described grain discharging opening, be provided with air blast between the sieve in described fine hair exports and is described, described fine hair outlet connects and is connected with described miscellaneous object outlet by second guide duct, second air-introduced machine.