CN212384082U

CN212384082U - Compound specific gravity screening device for grain cleaner

Info

Publication number: CN212384082U
Application number: CN202020478984.5U
Authority: CN
Inventors: 李雪
Original assignee: Shenzhen Iruo Technology Co ltd
Current assignee: Tai'an Shelley storage machinery equipment Co.,Ltd.
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-01-22
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the technical field of grain cleaning mechanical equipment, and discloses a compound specific gravity screening device for a grain cleaner, which comprises a bottom plate, wherein a screening box is fixed on the upper surface wall of the bottom plate, a first screen plate and a second screen plate are obliquely installed inside the screening box, the first screen plate is positioned above the second screen plate, one end of the outer surface wall of the first screen plate and one end of the outer surface wall of the second screen plate are both provided with a blanking hole, supporting blocks are fixed on the inner wall of the screening box and positioned below the first screen plate and the second screen plate, slots are arranged on the upper surface wall of the supporting blocks, two ends of the lower surface wall of the first screen plate and the second screen plate are symmetrically connected with inserting blocks matched with the slots, the utility model realizes the insertion and fixation of the screen plates through the matching of the supporting blocks, the slots and the inserting blocks, when the screen plates need to be replaced, only the screen plates are lifted, the inserting blocks can be taken out from the slots, and the traditional fixed connection, dismantle convenient and fast, labour saving and time saving does benefit to the quick replacement of sieve.

Description

Compound specific gravity screening device for grain cleaner

Technical Field

The utility model belongs to the technical field of grain cleaning mechanical equipment, concretely relates to compound proportion sieving mechanism is used to grain cleaning plant.

Background

With the increasing development of agriculture and grain industry in China, particularly the continuous development and progress of grain harvesting machinery and methods, the increase of the content and the variety of light impurities in grains correspondingly puts higher technical requirements on grain cleaning processing machinery, cleaning is an indispensable link after grain harvest, and the harvested grains not only contain full and mature seeds, but also mechanically damaged, crushed and immature grains, and also contain a plurality of impurities such as silt, broken ears, husks and the like, so that the harvested grains need to be cleaned to meet the requirements no matter the seeds are left or sold, and therefore various cleaning machines are invented for people.

But present cleaning plant is with compound proportion sieving mechanism has certain defect, and traditional proportion sieving mechanism's sieve adopts fixed mounting, when the sieve needs to be changed, dismantles comparatively difficultly, wastes time and energy, and traditional proportion sieving mechanism does not set up orderly feeding structure, throws the material too much once, easily causes the screening thoroughly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cereal cleaning mill is with double entry proportion sieving mechanism to the sieve that proposes traditional proportion sieving mechanism in solving above-mentioned background adopts fixed mounting, dismantles comparatively difficult problem when the sieve needs to be changed, in addition, does not set up orderly feeding structure, throws too much easily and leads to the fact the not thorough problem of screening once only.

In order to achieve the above object, the utility model provides a following technical scheme: a compound specific gravity screening device for a grain cleaner comprises a base plate, wherein a screening box is fixed on the upper surface wall of the base plate, a first screen plate and a second screen plate are obliquely installed inside the screening box, the first screen plate is positioned above the second screen plate, a blanking hole is formed in one end of the outer surface wall of the first screen plate and one end of the outer surface wall of the second screen plate, supporting blocks are fixed on the inner wall of the screening box and positioned below the first screen plate and the second screen plate, slots are formed in the upper surface wall of the supporting blocks, inserting blocks matched with the slots are symmetrically connected to two ends of the lower surface wall of the first screen plate and the second screen plate, a first fan and a second fan are installed on the side wall of the screening box, the second fan is positioned below the first fan, air outlet ends of the first fan and the second fan are connected with air outlet pipes, the air outlet pipes penetrate through the side wall of the screening box and extend into the screening box, a collecting box is placed at the bottom inside of the screening, and the top of screening case is connected with the case of throwing, control switch is installed to the preceding table wall of case of throwing, and the inside crisscross stock guide that is fixed with of case of throwing, the guide shallow slot has been seted up to the upper surface wall of stock guide, screening case upper surface wall just is located the bottom of case of throwing and has seted up the small opening, first fan and second fan all with control switch electric connection.

Preferably, the bottom end of the collection box is symmetrically connected with sliding blocks, sliding grooves matched with the sliding blocks are symmetrically formed in the inner portion, located on the upper surface wall of the bottom plate, of the screening box, rolling balls are installed at the bottom of the inner portion of the sliding grooves in a rolling mode, and the bottom ends of the sliding blocks are in contact with the rolling balls.

Preferably, the top end of the feeding box is connected with a feeding hopper, and a top cover is arranged on the top end cover of the feeding hopper.

Preferably, one side of the screening box, which is far away from the first fan, is connected with a first discharging frame and a second discharging frame, the first discharging frame is located above the second discharging frame, and the length of the first discharging frame is longer than that of the second discharging frame.

Preferably, the dodge gate is installed to the preceding table wall of screening case, the handle is installed to the outward appearance wall one end of dodge gate, and the outward appearance wall intermediate position department of dodge gate installs transparent observation window.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation of tray, slot and inserted block has realized inserting of sieve and has established fixedly, when the sieve needs to be changed, only needs to lift the sieve, and the inserted block can be followed and taken out in the slot, has abandoned traditional fixed connection, dismantles convenient and fast, and labour saving and time saving does benefit to the quick replacement of sieve.

(2) The utility model discloses a baffle and the cooperation of guide shallow slot of crisscross installation, when reinforced, cereal can be in the same direction as the baffle of seting up the guide shallow slot progressively gliding to the sieve on, has guaranteed the orderliness of feeding, avoids once only throwing the material too much and causes the not thorough defect of screening, has improved subsequent screening quality.

(3) The utility model discloses a cooperation of slider, spout and ball does benefit to shifting out and putting into of collecting box, and is comparatively laborsaving, and secondly, the slider is in the spout, can play certain spacing, when the device operation, can avoid the collecting box to take place to shift because of the vibration, and then has avoided spilling of cereal to leak.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is a top view of the material guiding plate of the present invention;

fig. 4 is a top view of the first screen deck of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is an enlarged view of portion B of FIG. 1;

in the figure: 1-bottom plate, 2-supporting block, 3-first discharging frame, 4-second discharging frame, 5-first sieve plate, 6-feeding box, 7-feeding hopper, 8-material guiding plate, 9-leakage hole, 10-air outlet pipe, 11-first fan, 12-second fan, 13-second sieve plate, 14-screening box, 15-collecting box, 16-sliding block, 17-control switch, 18-movable door, 19-material guiding shallow groove, 20-discharging hole, 21-slot, 22-inserting block, 23-sliding groove and 24-rolling ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a compound specific gravity screening device for a grain cleaner comprises a base plate 1, a screening box 14 is fixed on the upper surface wall of the base plate 1, a first screening plate 5 and a second screening plate 13 are obliquely installed inside the screening box 14, the first screening plate 5 is positioned above the second screening plate 13, one ends of the outer surfaces of the first screening plate 5 and the second screening plate 13 are respectively provided with a blanking hole 20, supporting blocks 2 are fixed on the inner wall of the screening box 14 and positioned below the first screening plate 5 and the second screening plate 13, slots 21 are formed in the upper surface wall of the supporting blocks 2, two ends of the lower surface wall of the first screening plate 5 and the second screening plate 13 are symmetrically connected with inserting blocks 22 matched with the slots 21, when the first screening plate 5 or the second screening plate 13 needs to be replaced, only the screening plate needs to be lifted, the inserting blocks 22 can be taken out from the slots 21, the traditional fixed connection is abandoned, the dismounting is convenient and fast, time and labor are saved, the fast replacement of the screening plates is facilitated, a first fan 11 and a second fan 12 are installed on the side, the first fan 11 is used for blowing light impurities such as dust with small specific gravity, the second fan 12 is used for blowing shrivelled grains with larger specific gravity than the light impurities, so that the running wind speed and power of the second fan 12 are larger than those of the first fan 11, the second fan 12 is positioned below the first fan 11, the air outlet ends of the first fan 11 and the second fan 12 are both connected with air outlet pipes 10, the air outlet pipes 10 penetrate through the side wall of the screening box 14 and extend into the screening box, a collecting box 15 is arranged at the bottom inside the screening box 14, the top end of the screening box 14 is connected with a feeding box 6, a control switch 17 is arranged on the front surface wall of the feeding box 6, guide plates 8 are fixed inside the feeding box 6 in a staggered mode, guide shallow grooves 19 are formed in the upper surface wall of each guide plate 8, when feeding is carried out, grains can gradually slide down to the sieve plate along the guide plates 8 with the shallow grooves 19 to ensure the orderliness of feeding, the feeding is avoided, the defect that the screening is not thorough due to, subsequent screening quality is improved, the upper surface wall of the screening box 14 and the bottom end of the feeding box 6 are provided with the leakage hole 9, and the first fan 11 and the second fan 12 are both electrically connected with the control switch 17.

Further, the bottom symmetric connection of collecting box 15 has slider 16, bottom plate 1 top surface wall just is located the inside symmetry of screening case 14 and offers and puts with slider 16 assorted spout 23, the inside bottom roll of spout 23 is installed ball 24, slider 16's bottom contacts with ball 24, utilize the slip of slider 16 in spout 23, do benefit to shifting out and putting into of collecting box 15, and is comparatively laborsaving, and secondly, slider 16 is in spout 23, can play certain spacing, when the device moves, can avoid collecting box 15 to take place to shift because of the vibration, and then avoided the spilling of cereal to leak.

Furthermore, the top end of the feeding box 6 is connected with a feeding hopper 7, a top cover is arranged on the top end of the feeding hopper 7, feeding through the feeding hopper 7 is convenient and accurate, the top cover can prevent dust and pollutants from entering the device along the feeding hopper 7 when the feeding box is not used, and the inside of the device is ensured to be clean.

Furthermore, one side of the screening box 14 far away from the first fan 11 is connected with a first discharging frame 3 and a second discharging frame 4, the first discharging frame 3 is located above the second discharging frame 4, the length of the first discharging frame 3 is longer than that of the second discharging frame 4, the smaller specific gravity of the primary screening and the secondary screening can be respectively blown out from the first discharging frame 3 and the second discharging frame 4, and the collection device is used for carrying out the bearing at the outlets of the first discharging frame 3 and the second discharging frame 4 conveniently without subsequent cleaning.

Further, the movable door 18 is installed to the preceding table wall of screening case 14, and the handle is installed to the outward appearance wall one end of movable door 18, and the outward appearance wall intermediate position department of movable door 18 installs transparent observation window, through handle switch movable door 18, and is convenient laborsaving, but wherein sees through transparent observation window and observes the inside screening condition of screening case 14 in real time.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the control switch 17 is utilized to start the first fan 11 and the second fan 12, then the grain to be screened is fed into the feeding box 6 through the feeding hopper 7, the grain can gradually slide down to the first sieve plate 5 along the guide plate 8 with the guide shallow grooves 19 for primary screening, the wind blown out by the first fan 11 is blown out, the light impurities with smaller specific gravity can be blown out through the first discharging frame 3, wherein the light impurities with larger specific gravity fall to the second sieve plate 13 through the discharging holes 20 for secondary screening, the wind blown out by the second fan 12 is blown out, the shriveled grain with smaller specific gravity in the secondary screening can be blown out through the second discharging frame 4, wherein the plump grain falls to the collecting box 15 through the discharging holes 20 for collecting, in addition, the sliding of the sliding block 16 in the sliding groove 23 is utilized, the moving out and the collecting box 15 are facilitated, labor is saved, secondly, slider 16 is in spout 23, can play certain spacing, when the device moves, can avoid collecting box 15 to take place to shift because of the vibration, and then avoided spilling of cereal to leak, in addition, when first sieve 5 or second sieve 13 need be changed, only need lift the sieve, insert 22 can be followed tray 2 and taken out in the slot 21 that the upper surface wall was seted up, traditional fixed connection has been abandoned, dismantle convenient and fast, and labour saving and time saving does benefit to the quick replacement of sieve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cereal cleaning plant is with compound proportion sieving mechanism which characterized in that: including bottom plate (1), the last wall of bottom plate (1) is fixed with screening case (14), first sieve (5) and second sieve (13) are installed to the inside slope of screening case (14), first sieve (5) are located the top of second sieve (13), and the exterior wall one end of first sieve (5) and second sieve (13) has all been seted up down material hole (20), screening case (14) inner wall just is located the below of first sieve (5) and second sieve (13) and all is fixed with tray (2), slot (21) have been seted up to the last wall of tray (2), the lower wall both ends symmetric connection of first sieve (5) and second sieve (13) has inserted block (22) with slot (21) looks adaptation, first fan (11) and second fan (12) are installed to the lateral wall of screening case (14), second fan (12) are located the below of first fan (11), the air-out end of first fan (11) and second fan (12) all is connected with out tuber pipe (10), it runs through screening case (14) lateral wall and extends to inside to go out tuber pipe (10), collecting box (15) have been placed to the inside bottom of screening case (14), and the top of screening case (14) is connected with throws workbin (6), control switch (17) are installed to the preceding table wall of throwing workbin (6), and the inside crisscross stock guide (8) that is fixed with of throwing workbin (6), guide shallow slot (19) have been seted up to the last table wall of stock guide (8), screening case (14) are gone up the table wall and are located the bottom of throwing workbin (6) and have been seted up small opening (9), first fan (11) and second fan (12) all with control switch (17) electric connection.

2. The compound specific gravity screening device for a grain cleaner according to claim 1, characterized in that: the bottom end of the collecting box (15) is symmetrically connected with sliding blocks (16), sliding grooves (23) matched with the sliding blocks (16) are symmetrically formed in the inner portion, located on the screening box (14), of the upper surface wall of the bottom plate (1), rolling balls (24) are installed at the bottom of the inner portion of the sliding grooves (23), and the bottom end of each sliding block (16) is in contact with the corresponding rolling ball (24).

3. The compound specific gravity screening device for a grain cleaner according to claim 1, characterized in that: the top end of the feeding box (6) is connected with a feeding hopper (7), and the top end of the feeding hopper (7) is covered with a top cover.

4. The compound specific gravity screening device for a grain cleaner according to claim 1, characterized in that: one side of the screening box (14) far away from the first fan (11) is connected with a first discharging frame (3) and a second discharging frame (4), the first discharging frame (3) is located above the second discharging frame (4), and the length of the first discharging frame (3) is longer than that of the second discharging frame (4).

5. The compound specific gravity screening device for a grain cleaner according to claim 1, characterized in that: the utility model discloses a screening box, including screening case (14), the preceding table wall of screening case (14) installs dodge gate (18), the handle is installed to the outward appearance wall one end of dodge gate (18), and the outward appearance wall intermediate position department of dodge gate (18) installs transparent observation window.