CN106694254B

CN106694254B - Large compound classificator

Info

Publication number: CN106694254B
Application number: CN201710143806.XA
Authority: CN
Inventors: 田云; 胡春秋
Original assignee: Shijiazhuang Keyou Machinery Equipment Manufacturing Co ltd
Current assignee: Shijiazhuang Keyou Machinery Equipment Manufacturing Co ltd
Priority date: 2017-03-12
Filing date: 2017-03-12
Publication date: 2023-02-24
Anticipated expiration: 2037-03-12
Also published as: CN106694254A

Abstract

The invention relates to the technical field of grain processing machinery, in particular to a large-scale compound classificator, which utilizes four vertical air sieves which are distributed side by side from front to back to feed two vibrating grading sieves which are distributed in an up-and-down overlapping manner, two groups of sand-dragon dust collectors work synchronously, reversing devices are additionally arranged on the material feeding and discharging of the gravity sieves which are overlapped up and down, so that independent gravity screening can be carried out, repeated gravity screening can also be carried out, the screening precision and the screening efficiency can be adjusted and controlled, and the large-scale compound classificator has the advantages of compact structure, reasonable distribution, high screening efficiency, good screening quality and simple and convenient operation.

Description

Large compound classificator

Technical Field

The invention relates to the technical field of grain processing machinery, in particular to a large-scale compound classificator.

Background

The compound classificator is a main machine used for screening crops in places such as a grain purchasing station, a grain station, a seed station and the like, and the existing compound classificator has the problems of low yield, single function, incapability of flexibly controlling the classificator grade and the like. In view of the above, it is necessary to provide a new fine separator to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a large compound classificator which can greatly improve the working efficiency of grain screening and has the advantages of high screening quality, compact structure of the whole machine, reasonable distribution, stable performance and simple and convenient operation.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a large-scale compound choice machine, by the frame, install the compound choice device in the frame top and constitute, the frame is equipped with support frame and walking wheel, its characterized in that: the compound selection device comprises four vertical air sieves which are arranged on the upper part of the front end of the frame in a front-back side-by-side manner, two oscillating grading sieves which are arranged below the vertical air sieves in an up-down superposed manner, two sand-dragon dust collectors which are arranged on the middle part of the frame in a left-right side-by-side manner, a non-crushing lifter arranged between the two sand-dragon dust collectors, and two heavy sieves which are arranged on the front end of the frame in an up-down superposed manner; the vibrating material-separating and feeding device is arranged on the lateral side of each vertical air screen, an air suction opening is formed in the upper portion of each vertical air screen, a grain uniform-scattering outlet is formed in the bottom of each vertical air screen, each two air suction openings are connected with a sand-lock dust remover through air suction pipelines, each two grain uniform-scattering outlets are connected with a vibrating grading screen, a suction fan is arranged in the middle of each air suction pipeline, light and impurity outlets are formed in the bottom of each sand-lock dust remover, and a bad seed outlet and a specific gravity good material outlet are formed in the specific gravity screen; vibrate classifying screen rear end and all be equipped with big miscellaneous export, little miscellaneous export and vibrate the sieve discharge gate, no broken lifting machine bottom is equipped with promotes the hopper, upper portion is equipped with promotes the discharge gate, promotes the hopper and vibrates the sieve discharge gate and is connected, promotes the discharge gate and passes through the switching-over glassware with the proportion sieve and be connected, and the proportion sieve rear end is equipped with switching-over formula discharger.

As a further improvement of this technical scheme, vibrate branch material loading attachment and include the loading attachment frame, install rubber spring seat and shock dynamo in loading attachment frame top, install the bulk cargo case in rubber spring seat top, the bulk cargo case is equipped with the rectangle box of open grain pan feeding mouth for the top, bulk cargo case bottom plate is the slope form that high one side is low, the lower one side of bulk cargo case bottom plate is equipped with the loading attachment discharge gate of being connected with four vertical air sieves respectively, be equipped with the reposition of redundant personnel regulating plate between the adjacent loading attachment discharge gate, be equipped with an import baffle in the grain pan feeding mouth, import baffle is by the higher lopsidedness of grain pan feeding mouth to bulk cargo case bottom plate on one side, the position that the lowest of import baffle is close with bulk cargo case side is equipped with the baffle feed opening, the position that the import baffle bottom is higher than the baffle feed opening is equipped with a pivot, the pivot both ends utilize the bearing to fix in case bulk cargo case box both sides, install a gravity bulk cargo board that can overturn through the pivot in the pivot.

As a further improvement of the technical scheme, the upper end of the reversing feeding device is a total feeding cylinder, the bottom of the total feeding cylinder is an upper specific gravity feeding cylinder and a bottom specific gravity feeding cylinder, the upper specific gravity feeding cylinder is connected with a specific gravity sieve positioned above the upper specific gravity feeding cylinder, the bottom specific gravity feeding cylinder is connected with a specific gravity sieve positioned below the lower specific gravity feeding cylinder, and a feeding device reversing plate is arranged at the joint of the upper ends of the upper specific gravity feeding cylinder and the bottom specific gravity feeding cylinder.

As a further improvement of this technical scheme, the switching-over formula discharger includes discharger upper end blanking barrel, the discharger bottom blanking barrel that is located discharger upper end blanking barrel bottom, connect the ejection of compact switching-over section of thick bamboo between discharger upper end blanking barrel and discharger bottom blanking barrel, the secondary proportion blanking barrel that is located ejection of compact switching-over section of thick bamboo side, discharger upper end blanking barrel and the proportion of the proportion sieve that is located the top are good to expect exit linkage, discharger bottom blanking barrel and the proportion of the proportion sieve that is located the below are good to expect exit linkage, secondary proportion blanking barrel is connected with the proportion sieve that is located the below, be equipped with discharger reversing baffle in the ejection of compact switching-over section of thick bamboo.

As a further improvement of the technical scheme, the rear end of the upper vibration classifying screen is distributed forwards relative to the rear end of the lower vibration classifying screen, so that the rear end of the upper vibration classifying screen is positioned below the front two vertical air screens, and the rear end of the lower vibration classifying screen is positioned below the rear two vertical air screens, so that the vibration classifying screen assembly can receive the blanking of the vertical air screens.

According to the large-scale compound classificator, four vertical air sieves which are distributed side by side in the front and back are used for feeding two vibrating classifying sieves which are vertically overlapped and distributed, two groups of the shakelong dust collectors work synchronously, reversing devices are additionally arranged for feeding and discharging materials of the gravity sieves which are vertically overlapped, independent gravity screening and repeated gravity screening can be carried out, and the adjustable control of the screening precision and the screening efficiency can be realized. The whole machine has the advantages of compact structure, reasonable distribution, high screening efficiency, good screening quality and simple and convenient operation.

Drawings

Figure 1 is a schematic side view of a large double concentrator according to the invention.

Figure 2 is a schematic top view of a large double concentrator according to the present invention.

Fig. 3 is a schematic side structure view of the oscillating material distributing and feeding device of the present invention.

Fig. 4 is a schematic top view of the oscillating distributing and feeding device of the present invention.

The corresponding relationship between the component names and the reference numbers in the figure is as follows:

1, a frame; 2, supporting frames; 3, walking wheels; 4, a vertical air screen; 5, vibrating a grading sieve; 6, a shakelong dust remover; 7, no crushing hoister and 8-proportion heavy screen; 9 oscillating a material distributing and feeding device; 10 air suction ports; 11 grain uniformly scattering outlet; 12 a suction pipeline; 13 suction fan; 14 light impurity outlet; 15 large impurity outlets; 16 small impurity outlets; 17, vibrating a screen discharge port; 18 lifting the hopper; 19 lifting the discharge hole; 20, reversing the feeder; 21 a reversing type discharging device; 22 a bad seed outlet; 23, a good material outlet with a good specific gravity; 91 a feeding device frame; 92 a rubber spring seat; 93 a bulk box; 94 grain feeding port; 95 a box body bottom plate; 96 discharge port of the feeding device; 97 flow-dividing adjusting plate; 98 inlet baffles; 99 baffle blanking port; 910 rotating a shaft; a 911 gravity feed plate; 201 total charging barrel; 202, charging the barrel at the upper part of the barrel; 203, feeding the material into the barrel in a specific gravity mode; 204 a reversing plate of a feeder; the upper end of the 211 discharging device is provided with a charging barrel; 212 discharging device bottom material dropping barrel; 213 discharging reversing cylinder; 214, twice gravity blanking of the barrel; a 215 discharger reversing baffle; 912 vibrates the motor.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.

Referring to fig. 1 to 4, the invention provides a large-scale compound classificator, which consists of a frame 1 and a compound classificator arranged above the frame, wherein the frame is provided with a support frame 2 and a traveling wheel 3, the compound classificator comprises four vertical air sieves 4 which are arranged on the upper part of the front end of the frame in a front-back side-by-side manner, two oscillating grading sieves 5 which are arranged below the vertical air sieves in an up-down superposed manner, two shakelong dust collectors 6 which are arranged on the middle part of the frame in a left-right side-by-side manner, a non-crushing elevator 7 which is arranged between the two shakelong dust collectors, and two specific gravity sieves 8 which are arranged on the front end of the frame in an up-down superposed manner; the vibrating material-separating and feeding device 9 is arranged on the side of the vertical air screen, the upper part of each vertical air screen is provided with an air suction opening 10, the bottom of each vertical air screen is provided with a grain uniform-scattering outlet 11, every two air suction openings are connected with a sand-k-shaped dust remover 6 through an air suction pipeline 12, every two grain uniform-scattering outlets are connected with a vibrating grading screen, the middle of the air suction pipeline is provided with a suction fan 13, the bottom of the sand-k-shaped dust remover is provided with a light impurity outlet 14, and the specific gravity screen is provided with a bad seed outlet 22 and a specific gravity good material outlet 23; vibrate classifying screen rear end and all be equipped with big miscellaneous export 15, little miscellaneous export 16 and vibrate sieve discharge gate 17, no broken lifting machine bottom is equipped with promotes hopper 18, upper portion and is equipped with and promotes discharge gate 19, promotes hopper 18 and vibrates sieve discharge gate 17 and is connected, promotes discharge gate 19 and proportion sieve and is connected through switching-over glassware 20, and proportion sieve rear end is equipped with switching-over formula discharger 21. The utility model discloses a vibration divides material loading attachment to include loading attachment frame 91, install rubber spring seat 92 and shock dynamo 912 in loading attachment frame top, install the bulk cargo case 93 in rubber spring seat top, the bulk cargo case is equipped with the rectangle box of open grain pan feeding mouth 94 for the top, bulk cargo case bottom plate 95 is the slope form that one side is high low, the lower one side of bulk cargo case bottom plate is equipped with loading attachment discharge gate 96 of being connected with four vertical air sieves respectively, be equipped with shunt regulation board 97 between the adjacent loading attachment discharge gate, be equipped with an import baffle 98 in the grain pan feeding mouth, import baffle is by the higher lopsidedness of grain pan feeding mouth to bulk cargo case bottom plate on one side, the position that the lowest of import baffle is close with bulk cargo case box side is equipped with baffle feed opening 99, the position that the import baffle bottom is higher than the baffle feed opening is equipped with a pivot 910, the pivot both ends utilize the bearing to fix in bulk cargo case box both sides, install a gravity bulk cargo board 911 that can overturn through the pivot in the pivot.

The upper end of the reversing feeder 20 is provided with a total feeding barrel 201, the bottom of the total feeding barrel is forked into an upper specific gravity feeding barrel 202 and a bottom specific gravity feeding barrel 203, the upper specific gravity feeding barrel is connected with a specific gravity sieve positioned above, the bottom specific gravity feeding barrel is connected with a specific gravity sieve positioned below, and a feeder reversing plate 204 is arranged at the connection position of the upper ends of the upper specific gravity feeding barrel and the bottom specific gravity feeding barrel. The switching-over formula discharger includes discharger upper end blanking barrel 211, the discharger bottom blanking barrel 212 that is located discharger upper end blanking barrel bottom, connect ejection of compact switching-over section of thick bamboo 213 between discharger upper end blanking barrel and discharger bottom blanking barrel, be located the secondary proportion blanking barrel 214 of ejection of compact switching-over section of thick bamboo side, discharger upper end blanking barrel and the proportion that is located the ratio heavy sieve of top are good to expect exit linkage, discharger bottom blanking barrel and the proportion that is located the below are good to expect exit linkage with the proportion sieve proportion that is located the below, the secondary proportion blanking barrel is connected with the proportion sieve that is located the below, be equipped with discharger reversing baffle 215 in the ejection of compact switching-over section of thick bamboo. The rear ends of the upper vibrating classifying screens are distributed forwards relative to the rear ends of the lower vibrating classifying screens, so that the rear ends of the upper vibrating classifying screens are positioned below the front two vertical air screens, and the rear ends of the lower vibrating classifying screens are positioned below the rear two vertical air screens, so that blanking of the vertical air screens is carried conveniently.

When the vibration grading sieve feeding device is specifically implemented, the number of the vertical air sieves can be set to be 2, 6 or 8 according to the size of the model, the vibration distributing and feeding device plays a role in uniformly distributing materials, and the vertical air sieves supply materials for the vibration grading sieve at the bottom. During the use, at first utilize and promote conveyor to send into grain and vibrate grain pan feeding mouth 94 that divides material loading attachment 9, fall on import baffle 98, grain falls down along the incline surface of import baffle 98, it is inboard to fall gravity bulk cargo 911 through baffle feed opening 99, import baffle 98 plays preliminary equal bulk cargo effect, the inboard grain of gravity bulk cargo 911 is piled up certain state and just can be opened to the upset of the outside, make the even dispersion of grain in all loading attachment discharge gates 96, gravity bulk cargo board 911 plays the equal bulk cargo effect of secondary. The grain enters the vertical air sieves 4 from the discharge port 96 of the feeding device, and the light impurities are discharged from the light impurities outlet 14 of the dust collector 6 of the sand-lock type under the action of the suction fan 13, wherein the dust collector of the sand-lock type is provided with two groups, and each group is connected with two vertical air sieves. The grains further enter the oscillating classifying screen 5 through a grain uniform-scattering outlet 11 at the bottom of the vertical air screen, the rear end of the oscillating classifying screen above the oscillating classifying screen is distributed forwards relative to the rear end of the oscillating classifying screen below the oscillating classifying screen, so that the rear end of the oscillating classifying screen above the oscillating classifying screen is positioned below the front two vertical air screens to accept the grains falling, and the rear end of the oscillating classifying screen below the rear two vertical air screens to accept the grains falling. Big impurities and small impurities of the oscillating classifying screen are discharged from a big impurities outlet 15 and a small impurities outlet 16 respectively, good grains enter a lifting hopper 18 from an oscillating screen discharge port 17, are lifted to a reversing loader 20 by a non-crushing lifter 7, are distributed by the reversing loader 20 to enter a specific gravity screen 8, and are discharged by a reversing discharger 21 after specific gravity screening. The gravity sieve which is distributed in an up-and-down overlapping way can carry out independent specific gravity screening and also can carry out repeated specific gravity screening, when the independent specific gravity screening is selected, grains sent by the non-crushing hoister 7 respectively enter the upper specific gravity feeding barrel 202 and the bottom specific gravity feeding barrel 203 by controlling the feeding device reversing plate 204 of the reversing feeding device 20, the secondary specific gravity blanking barrel 214 is closed by adjusting the discharging device reversing baffle plate 215 of the reversing feeding device 21, the discharging device upper end blanking barrel 211 is communicated with the discharging device bottom blanking barrel 212, the upper specific gravity screening and the lower specific gravity screening are respectively carried out in an independent specific gravity screening mode, the screened good grains are directly discharged, when the repeated specific gravity screening is selected, the grains sent by the non-crushing hoister 7 only enter the upper part feeding barrel 202 by controlling the feeding device reversing plate 204 of the reversing feeding device 20, the screened grains from the non-crushing hoister 7 enter the upper part specific gravity feeding barrel 202 by adjusting the discharging device reversing baffle plate 215 of the reversing feeding device 21, the secondary specific gravity blanking barrel 214 is opened, the discharging device upper end blanking barrel 211 and the discharging device lower part blanking barrel 212 is cut off, the grains screened by adjusting the specific gravity screening, and the repeated specific gravity screening is carried out by the repeated specific gravity screening barrel 211.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a large-scale compound choice machine, by the frame, install the compound choice device in the frame top and constitute, the frame is equipped with support frame and walking wheel, its characterized in that: the compound selection device comprises four vertical air sieves which are arranged on the upper part of the front end of the frame in a front-back side-by-side manner, two oscillating grading sieves which are arranged below the vertical air sieves in an up-down superposed manner, two sand-dragon dust collectors which are arranged on the middle part of the frame in a left-right side-by-side manner, a non-crushing lifter arranged between the two sand-dragon dust collectors, and two heavy sieves which are arranged on the front end of the frame in an up-down superposed manner; the vibrating material-separating and feeding device is arranged on the lateral side of each vertical air screen, an air suction opening is formed in the upper portion of each vertical air screen, a grain uniform-scattering outlet is formed in the bottom of each vertical air screen, each two air suction openings are connected with a sand-lock dust remover through air suction pipelines, each two grain uniform-scattering outlets are connected with a vibrating grading screen, a suction fan is arranged in the middle of each air suction pipeline, light and impurity outlets are formed in the bottom of each sand-lock dust remover, and a bad seed outlet and a specific gravity good material outlet are formed in the specific gravity screen; the rear end of the vibrating classifying screen is provided with a large impurity outlet, a small impurity outlet and a vibrating screen discharge port, the bottom of the non-crushing hoister is provided with a lifting hopper, the upper part of the non-crushing hoister is provided with a lifting discharge port, the lifting hopper is connected with the vibrating screen discharge port, the lifting discharge port is connected with the specific gravity screen through a reversing feeder, and the rear end of the specific gravity screen is provided with a reversing type discharger;

the vibration material distribution and feeding device comprises a feeding device rack, a rubber spring seat and a vibration motor which are arranged above the feeding device rack, and a material distribution box which is arranged above the rubber spring seat, wherein the material distribution box is a rectangular box body, an open grain feeding opening is formed in the upper part of the rectangular box body, a box body bottom plate of the material distribution box is in an inclined shape with one higher side and one lower side, the lower side of the box body bottom plate of the material distribution box is provided with feeding device discharge openings which are respectively connected with four vertical air sieves, a flow distribution adjusting plate is arranged between the discharge openings of the adjacent feeding devices, an inlet baffle is arranged in the grain feeding opening, the inlet baffle inclines towards one higher side of the box body bottom plate from the upper side of one side of the grain feeding opening, the lowest part of the inlet baffle and the side edge of the material distribution box body are provided with baffle discharge openings, a rotating shaft is arranged at the position, which is higher than the baffle discharge openings, two ends of the rotating shaft are fixed on two sides of the material distribution box body through bearings, and a gravity material distribution plate capable of overturning through the rotating shaft is arranged on the rotating shaft;

the upper end of the reversing feeder is provided with a total feeding barrel, the bottom of the total feeding barrel is provided with an upper specific gravity feeding barrel and a bottom specific gravity feeding barrel, the upper specific gravity feeding barrel is connected with a specific gravity sieve positioned above the upper specific gravity feeding barrel, the bottom specific gravity feeding barrel is connected with a specific gravity sieve positioned below the lower specific gravity feeding barrel, and a feeder reversing plate is arranged at the joint of the upper specific gravity feeding barrel and the upper end of the bottom specific gravity feeding barrel;

the switching-over formula discharger includes discharger upper end blanking barrel, the discharger bottom blanking barrel that is located discharger upper end blanking barrel bottom, connect the ejection of compact switching-over section of thick bamboo between discharger upper end blanking barrel and discharger bottom blanking barrel, be located the secondary proportion blanking barrel of ejection of compact switching-over section of thick bamboo side, discharger upper end blanking barrel and the proportion that is located the proportion heavy sieve of top are good to expect exit linkage, discharger bottom blanking barrel and the proportion that is located the below are good to expect exit linkage with the proportion that is sifted the proportion, secondary proportion blanking barrel is connected with the proportion sieve that is located the below, be equipped with discharger reversing baffle in the ejection of compact switching-over section of thick bamboo.

2. A large compound concentrator as defined in claim 1, wherein:

the rear ends of the upper vibrating classifying screens are distributed forward relative to the rear ends of the lower vibrating classifying screens, so that the rear ends of the upper vibrating classifying screens are positioned below the front two vertical air screens, and the rear ends of the lower vibrating classifying screens are positioned below the rear two vertical air screens, so that the vibrating classifying screen group can receive the blanking of the vertical air screens.