CN207308320U - Vibration separation screen - Google Patents

Abstract

A kind of vibration separation screen, including upper sieve, for lower screen, bottom plate, thick miscellaneous discharge port, thin miscellaneous discharge port, staple food grain discharge port, the upper sieve, lower screen, bottom plate are arranged and are obliquely installed from top to bottom；The staple food grain discharge port is connected with the lower screen upper surface so that staple food grain is tumbled into the staple food grain discharge port from top to bottom；The thin miscellaneous discharge port is connected with the plate upper surface so that and the thin debris filtered out is tumbled to the thin miscellaneous discharge port, wherein, further include staple food grain passage, thin miscellaneous passage；The upper end of the staple food grain passage is connected to the staple food grain discharge port, and the lower end of the staple food grain passage is tilted to the bottom plate lower side；The upper end of the thin miscellaneous passage is connected to the thin miscellaneous discharge port, and the lower end of the thin miscellaneous passage is to the bottom plate inclined downward.Vibration separation screen and staple food grain passage, thin miscellaneous passage are designed as up-down structure by the utility model, have the characteristics that compact-sized, can reduce floor space.

Description

Vibration separation screen

Technical field

It the utility model is related to that grain is cleaned or other particulate matters clean technical field, more particularly to a kind of vibration separation Sieve.

Background technology

Impurity can inevitably be contained after granular grain harvest, grain impurity can be divided into organic impurities, inorganic by component Impurity.Wherein, organic impurities be usually shell, skin, tiny leaf and the bar of plant, without edible value grain seed (mainly Moldy kernel), the impurity such as weed seed, it is general special obvious but not too many；Inorganic impurity is usually to gather in process, during storage The mineral matters such as mixed soil block, stone, sand.It is miscellaneous, light miscellaneous that grain impurity can be then divided into weight by density size.

In order to screen to obtain the grain of cleaning, industry develops polytype compound grain screening machine, all kinds of compound In grain screening machine, vibration separation screen is one of necessary parts, since the grain that vibration separation screen needs were processed to is defeated Send to next stage processing mechanism, vibration separation screen and next stage processing mechanism or so are set up in parallel, and cause compound type screening machine volume It is larger, larger space is taken, it is more inconvenient to transport, use etc..

The content of the invention

It is existing in the prior art because vibration point to solve the purpose of this utility model is to provide a kind of vibration separation screen The larger problem of compound type screening machine volume caused by level sieve structure reason.

To solve the above-mentioned problems, the utility model provides following technical solution：

A kind of vibration separation screen, including for filter the upper sieve of thick debris, the lower screen for filtering out tiny debris, Carry tiny debris bottom plate, for export thick miscellaneous thick miscellaneous discharge port, for exporting thin miscellaneous thin miscellaneous discharge port, for exporting The staple food grain discharge port of staple food grain, the upper sieve, lower screen, bottom plate are arranged and are obliquely installed from top to bottom；The staple food grain discharge port Connected with the lower screen upper surface so that staple food grain is tumbled into the staple food grain discharge port from top to bottom；The thin miscellaneous discharge port Being connected with the plate upper surface so that the thin debris filtered out is tumbled to the thin miscellaneous discharge port, wherein, further include staple food grain and lead to Road, thin miscellaneous passage；The upper end of the staple food grain passage is connected to the staple food grain discharge port, and the lower end of the staple food grain passage is to the bottom Plate lower side tilts；The upper end of the thin miscellaneous passage is connected to the thin miscellaneous discharge port, and the lower end of the thin miscellaneous passage is to described Bottom plate inclined downward.

Preferably, the staple food grain discharge port is fixedly connected with the staple food grain passage, the thin miscellaneous discharge port with it is described carefully miscellaneous Passage is fixedly connected.

Preferably, the angle of the staple food grain passage and vertical direction is not less than 110 °.

Preferably, the thin miscellaneous passage and the angle of horizontal direction are not less than 15 °.

Preferably, the staple food grain passage, thin miscellaneous passage are the tubular structure of rectangular in cross-section.

Analysis understands that vibration separation screen and staple food grain passage, thin miscellaneous passage are designed as up-down structure by the utility model, are had The characteristics of compact-sized, can substantially reduce floor space, use, store, transporting it is also possible that compound proportion screening machine obtains Defeated convenience effect, while reduce many places such as stent steel, cost is greatly reduced.

Brief description of the drawings

The main structure diagram for the compound proportion screening machine that Fig. 1 is applied by the utility model embodiment；

Fig. 2 is the vibration separation screen, staple food grain passage, the attachment structure schematic diagram of thin miscellaneous passage of the utility model embodiment；

Fig. 3 is the structure diagram of the thin miscellaneous passage of the utility model embodiment；

Fig. 4 is the structure diagram of the staple food grain passage of the utility model embodiment；

Fig. 5 is the structure diagram of the impurities removal case in Fig. 1；

Fig. 6 is M direction views in Fig. 5；

Fig. 7 is N direction views in Fig. 5；

Fig. 8 is the cross section structure schematic diagram of the air sieve in Fig. 1.

Embodiment

The utility model is described in further details with reference to the accompanying drawings and detailed description.

As shown in Figure 1, the utility model embodiment is a kind of vibration separation screen, it is applied in a compound proportion screening machine On, which includes material elevator 1, air sieve 3, vibration separation screen 4 (the utility model embodiment), driving Vibrating motor 5, proportion platform 7, the impurities removal case 8 of the vibration of vibration separation screen 4.The pan feeding of the discharge port of material elevator 1 and air sieve 3 Mouthfuls 200 connections (preferably, being additionally provided with material bin 2 therebetween), the discharge port of air sieve 3 correspond to the of vibration separation screen 4 One end (Fig. 1 is shown as right end).Vibration separation screen 4 is located at the top of proportion platform 7, and be arranged above and below setting, and the of vibration separation screen 4 One end is higher than its second end (Fig. 1 shows that right end is higher than left end), and in contrast, its first end is less than second end to proportion platform 7.Vibration Between classifying screen 4 and proportion platform 7, namely below the sieve nest of vibration separation screen 4, equipped with staple food grain passage 62, thin miscellaneous passage 61.

The upper end of staple food grain passage 62 is connected to the staple food grain discharge port of vibration separation screen 4, and the lower end of staple food grain passage 62 is to vibration 4 inclined downward of classifying screen, and its discharge port corresponds to the middle part of proportion platform 7, it is defeated for the grain after vibration separation screen 4 is screened Send to the middle part of proportion platform 7.The upper end of thin miscellaneous passage 61 is connected to the thin miscellaneous discharge port of vibration separation screen 4, thin miscellaneous passage 61 Lower end is to 4 inclined downward of vibration separation screen, and the discharge port of thin miscellaneous passage 61 is corresponding with the feeding mouth of impurities removal case 8, for inciting somebody to action Vibration separation screen 4 screens obtained tiny debris (thin miscellaneous) and is delivered to impurities removal case 8.And impurities removal case 8 is then located at 7 first end of proportion platform Outside, and (feeding mouth of impurities removal case 8 is not one to the feeding mouth of the first end of proportion platform 7 and impurities removal case 8, can basis Need to set one or more) perforation so that the debris that proportion platform 7 exports is discharged into impurities removal case 8.

The substantially workflow of compound proportion screening machine is shown in Fig. 1：

Unscreened material (grain to be screened) is promoted to eminence via material elevator 1, and is discharged into material bin 2 In, enter from material bin 2 in air sieve 3, then fall on vibration separation screen 4, the classification of vibration separation screen 4 obtains：Thick miscellaneous, staple food grain It is (still containing impurity), thin miscellaneous.It is slightly miscellaneous to drain；It is thin miscellaneous into impurities removal case 8.It is clear that staple food grain is transported to progress proportion on proportion platform 7 Choosing obtains net grain and other are thin miscellaneous, and net grain is discharged via the grain outlet bucket 70 for being arranged on 7 second end of proportion platform, this other it is thin miscellaneous Into impurities removal case 8.Other for thin miscellaneous, the proportion platform discharge that vibration separation screen 4 is discharged thin miscellaneous carry out further by impurities removal case 8 Sizing screening.

As shown in Fig. 1, Fig. 8, air sieve 3 include be in cuboid tubular structure the first sieve nest 31, the second sieve nest 32, the One sieve nest 31, the second sieve nest 32 are set up in parallel, and the first sieve nest 31 is located at the outside of the second sieve nest 32, the feeding mouth of air sieve 4 200 are located at the lateral surface of the first sieve nest.Material (grain to be screened) enters the first sieve nest 31 from feeding mouth 200, from the first sieve nest 31 discharge port 310 is fallen straight, part it is tiny it is light it is miscellaneous be sucked away (suction opening 30 is connected with exhaust fan), but from pan feeding The distance of mouthfuls 200 to upper sieve 41 is shorter, still have in material it is a large amount of it is tiny it is light it is miscellaneous do not efficiently separated, sweep along in material In, it can not be taken away by exhaust fan.These materials are fallen on after upper sieve 41, are scattered on upper sieve 41, are moved to the second sieve nest During 32 320 lower section of discharge port, upward air-flow will carry tiny light miscellaneous taken away via the second sieve nest 32 by exhaust fan, it is seen that Air sieve 3 can improve tiny light miscellaneous cleaning efficiency.Further, in order to which make to sweep along in material tiny light miscellaneous obtains fully Vibrate, scatter, gap is equipped between the first sieve nest 31, the second sieve nest 32 so that material the first sieve nest 31, the second sieve nest 32 it Between move distance increase.

Preferably, the first sieve nest 31, the upper end of the second sieve nest 32 are connected with same outlet passageway 301, the exhausting of air sieve 3 Mouth 30 is i.e. positioned at one end of outlet passageway 301.

Further, the lateral surface of the first sieve nest 31 is equipped with top and opens so as to form the material bin 2 of feeding mouth 20, air The feeding mouth 200 of sieve 3 is located in material bin 2.Material can so rapidly entered in air sieve 3, without other structures part.

In order to make material be more uniformly distributed when entering feeding mouth 200, the lateral surface of the first sieve nest 31 is additionally provided with refining plate 21, even Flitch 21 is located at the top of feeding mouth 200 of air sieve 3, and tilts down setting.

Again as shown in Figs 1-4, vibration separation screen 4 is fixedly connected with staple food grain passage 62, thin miscellaneous passage 61.Vibration separation screen 4 While vibration, drive the two to vibrate together, can prevent clogged up with material.Further, impurities removal case 8 and proportion platform 7, which are fixed, connects Connect, impurities removal case 8 and proportion platform 7 will also vibrate at the same time so that material therein is smooth to be moved down.

Vibration separation screen 4 includes being used to filter the upper sieve 41 of thick debris (larger plant stems and leaves etc.), for filtering out The bottom plate 43 of the lower screen 42 of tiny debris (less seed, sand grains etc.), the tiny debris of carrying, upper sieve 41, lower screen 42, Bottom plate 43 is arranged in order from top to bottom.For material from after air sieve 3 falls on vibration separation screen 4, thick debris stays in upper sieve 41 Upper, normal grain and the debris equivalent to normal grain size fall on lower screen 42, the debris of smaller then Fall on bottom plate 43.The staple food grain discharge port of vibration separation screen 4 is connected with the second end of lower screen 42 so that staple food grain is in lower screen 42 On tumble from top to bottom into staple food grain discharge port, then enter staple food grain passage 62 via feeding mouth 620, then via discharge port 621 It is discharged into the middle part of proportion platform 7.Thin miscellaneous discharge port be located at the second end of bottom plate 43 so that the tiny debris filtered out tumble to carefully it is miscellaneous go out Material mouth, then enters thin miscellaneous passage 61 via feeding mouth 610, then is discharged into impurities removal case 8 via discharge port 611.

Further, the angle b of staple food grain passage 62 and vertical direction is not less than 110 °, such as 115 ° etc.；Thin miscellaneous passage 61 It is not less than 15 °, such as 20 ° with the angle a of horizontal direction, it is so more smooth easy to blanking.

Further, staple food grain passage 62, thin miscellaneous passage 61 are the tubular structure of rectangular in cross-section.

As shown in Fig. 1, Fig. 5-Fig. 7, the top of impurities removal case 8 is open architecture, forms a feeding mouth 80, thin miscellaneous passage 61 The discharge port 611 of lower end is located at the top of impurities removal case 8, that is, above feeding mouth 80.Preferably, proportion platform 7 is discharged Debris is entered from the feeding mouth of 8 side of impurities removal case, such as 85 side of side plate of impurities removal case 8 protrudes, and is to set for convenience Material mouth is inserted, accepts the debris for coming from proportion platform 7.

Again as shown in figure 5, the bottom surface 84 of impurities removal case 8 tilts, overall trapezoidal body structure (main panel 81 is trapezoidal), position In the connecting plate 82 on main panel 81 be then in order to improve intensity, easy to be connected with proportion platform 7.

In order to be classified to debris, so as to facilitate the recycling of different debris, impurities removal case 8 is further included for miscellaneous The debris sieve 83 that thing is classified, debris sieve 83 are located at the top of bottom surface 84 in impurities removal case 8.

The discharge port of impurities removal case 8 is located at low side, facilitates debris to discharge, and extends the body exterior of impurities removal case 8, and wraps Include：First impurity discharging port 830, the second impurity discharging port 840, the first impurity discharging port 830 are penetrated through with the top of debris sieve 83；Second impurity discharging port 840 penetrate through with the bottom surface 84 below debris sieve 83.

In order not to influence to recycle different debris in the first impurity discharging port 830, the second impurity discharging port 840, the second impurity discharging port 840 prolongs Stretch that direction is consistent with the length direction of impurities removal case 8, the first impurity discharging port 830 then extends to the side of impurities removal case 8.

As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered, is all merely illustrative, and is not only 's.It is all in the scope of the utility model or in the change being equal in the scope of the utility model by the utility model bag Contain.

Claims (5)

1. a kind of vibration separation screen, including for filtering the upper sieve of thick debris, the lower screen for filtering out tiny debris, holding Carry tiny debris bottom plate, for export thick miscellaneous thick miscellaneous discharge port, for exporting thin miscellaneous thin miscellaneous discharge port, for exporting master The staple food grain discharge port of grain, the upper sieve, lower screen, bottom plate are arranged and are obliquely installed from top to bottom；The staple food grain discharge port and The lower screen upper surface connection so that staple food grain is tumbled into the staple food grain discharge port from top to bottom；The thin miscellaneous discharge port and The plate upper surface connection so that the thin debris filtered out is tumbled to the thin miscellaneous discharge port, it is characterised in that further includes master Grain passage, thin miscellaneous passage；

The upper end of the staple food grain passage is connected to the staple food grain discharge port, and the lower end of the staple food grain passage is inclined to bottom plate lower section Tiltedly；The upper end of the thin miscellaneous passage is connected to the thin miscellaneous discharge port, and the lower end of the thin miscellaneous passage is inclined to bottom plate lower section Tiltedly.

2. vibration separation screen according to claim 1, it is characterised in that the staple food grain discharge port is consolidated with the staple food grain passage Fixed connection, the thin miscellaneous discharge port are fixedly connected with the thin miscellaneous passage.

3. vibration separation screen according to claim 1, it is characterised in that the angle of the staple food grain passage and vertical direction is not Less than 110 °.

4. vibration separation screen according to claim 1, it is characterised in that the thin miscellaneous passage and the angle of horizontal direction are not Less than 15 °.

5. vibration separation screen according to claim 1, it is characterised in that the staple food grain passage, thin miscellaneous passage are section Rectangular tubular structure.