CN113680668A

CN113680668A - Multilayer pulse environment-friendly vibration cleaning sieve for grains

Info

Publication number: CN113680668A
Application number: CN202111009391.XA
Authority: CN
Inventors: 贾良权; 李莉; 高璐; 祁亨年; 黄旭; 唐琦哲; 朱同宇
Original assignee: Huzhou University
Current assignee: Huzhou University
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2021-11-23

Abstract

The invention relates to the technical field of grain processing, in particular to a grain multi-layer pulsed environment-friendly vibrating cleaning screen, comprising a screening material box, wherein the screening material box is provided with a screening material cavity, and the inner space of the screening material cavity extends from a horizontal height to a A number of screen material assemblies are arranged in sequence at the low level; the screen material assemblies include a screen material screen plate, a transmission assembly arranged at the power input end of the screen material screen plate, and a guide base plate connected to the discharge end of the screen material screen plate. The guide base plate is connected to the corresponding discharge bin on the screen box; the screen plate is composed of several interconnected section plates, and the transmission assembly is used to drive the screen plate to move in a wave-like manner and the other end of the screen plate The buffer component is connected with the guide base plate; the application achieves the effect of reciprocating fluctuation, and the screen mesh plate moves in a wave-like manner, which greatly improves the effect of material screening.

Description

Multilayer pulse environment-friendly vibration cleaning sieve for grains

Technical Field

The invention relates to the technical field of grain processing, in particular to a grain multilayer pulse environment-friendly vibration cleaning sieve.

Background

With the improvement of economic development and the living standard of people, the requirements on the quality and safety of grain products are higher and higher, and grain equipment gradually develops towards large-scale, high-efficiency, energy-saving, consumption-reducing and clean production. The existing raw grain is high in impurity content, the cleaning sieve is mainly suitable for grain feed processing, auxiliary materials are cleaned and removed, lumpy materials are scattered, the traditional vibrating sieve is only provided with one screening unit, the processing capacity is seriously insufficient, and the required screening effect can not be achieved due to the fact that the required yield can not be achieved.

In the prior art, after materials are fed into a screen drum from a feeding hole, a cleaning screen is impacted and conveyed by a rotary beater plate, so that agglomerated materials in the materials are scattered, and the materials are screened under the action of centrifugal force; however, the method has certain defects, the grain screening operation cannot be continuously carried out, the next batch of grains can be thrown in after one batch of grains are centrifuged, and the overall operation efficiency is low.

Disclosure of Invention

The invention aims to provide a multilayer pulse environment-friendly grain vibration cleaning sieve, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a multilayer pulse environment-friendly vibration cleaning sieve for grains comprises a sieve box, wherein a sieve cavity is arranged in the sieve box, and a plurality of sieve components are sequentially arranged in the space in the sieve cavity from a high horizontal position to a low horizontal position;

the material screening assembly comprises a material screening screen plate, a transmission assembly arranged at the power input end of the material screening screen plate and a guide base plate connected to the discharge end of the material screening screen plate, and the guide base plate is connected to a corresponding discharge bin on the material screening box;

the material screening screen plate consists of a plurality of interconnected node plates, the transmission assembly is used for driving the material screening screen plate to move in a wave manner, and the other end of the material screening screen plate is connected with the guide base plate through the buffer assembly;

the material screening components are arranged in a mutually staggered mode, and a blanking guide component is arranged between every two adjacent material screening net plates.

As a further scheme of the invention: the screen cloth otter board includes a plurality of screen cloth economizes on the board, connect linking slat between the screen cloth economize on the board and set up in the linking subassembly on screen cloth otter board edge, it nevertheless can fold each other and turn to link up the integral structure between slat and the screen cloth economize on the board, linking and being provided with a plurality of bolts that turn on the subassembly, the axis department of the bolt that turns is provided with the axis of overturning, the axis of overturning is connected with corresponding screen cloth economize on the board, and the both sides of the axle of overturning set up the upset cover that can open and shut respectively, the outer edge of upset cover is equipped with the upset frame, upset frame corner position is connected with linking slat through the gim bolt again.

As a further scheme of the invention: the screen cloth screen plate is characterized in that a transmission rod piece is arranged on the transmission assembly, an outer edge plate is connected with the screen cloth screen plate externally, the transmission rod piece and the outer edge plate are connected in an integrated mode, a limiting groove is formed in the inner wall of the screen cloth cavity, a positioning shaft is arranged at the joint of the transmission rod piece and the outer edge plate, the positioning shaft is installed in the limiting groove in a limiting mode, a pushing block connected with the transmission rod piece externally is connected with a stirring assembly externally.

As a further scheme of the invention: the poking assembly comprises a triangular disc and transmission outer frames which are respectively positioned on two outer sides of the triangular disc, the vertex angle end of the triangular disc is externally connected with a power input shaft, one end of each of the transmission outer frames on two sides is connected with two base angle ends of the triangular disc through a connecting bolt, the other end of each of the transmission outer frames on two sides is connected with a swinging block, and the swinging blocks are connected with the pushing blocks through transmission rods.

As a further scheme of the invention: buffering subassembly is including flexible plate, flexible plate adopts lagging type structure, and flexible plate's stiff end passes through back shaft and direction base plate erection joint, and flexible plate's expansion end and sieve material otter board are fixed mounting through the position sleeve of both sides, the movable rod has been worn in the position sleeve is all, the movable rod is connected to flexible plate's stiff end and installs the elastic component.

As a further scheme of the invention: the blanking guide assembly comprises a mounting base arranged on the inner wall of the screening cavity, an adjusting rotary table arranged on the mounting base, a steering seat arranged on the adjusting rotary table and a guide plate arranged on the steering seat, wherein the guide plate is positioned on the blanking side of the screening net plate on the upper layer and is guided to the screening side of the screening net plate on the lower layer;

as a still further scheme of the invention: the guide plate at the bottommost layer is of a screen plate type structure, a blower is arranged on the side face of the guide plate, and a dust exhaust bin is arranged on the discharging side of the guide plate.

Compared with the prior art, the invention has the beneficial effects that:

the screen material screen plate is designed to be composed of a plurality of connected node plates, wherein one end of the screen material screen plate inputs driving force through a transmission assembly, the driving force is input to the screen material screen plate, and the driving force is transmitted in sequence along with the connected node plates; the transmission component changes the rotation direction every period, so that the node plates on the screen material screen plate are turned over one by one each time, turned up and gradually attenuated to the original state, and perform reciprocating pulse motion; the buffering subassembly of cooperation other end, the buffering subassembly forms the elastic support power of opposite side to reach the undulant effect of reciprocity, sieve material otter board is the wave motion, very big improvement the effect of material sieve material, and drive stirring of material when the sieve material, prevent effectively that the material from piling up, improve the comprehensive of sieve material.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.

Fig. 1 is a schematic view of an overall structure of a multilayer pulse environment-friendly grain vibration cleaning sieve provided by an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a screen material mesh plate provided in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a transmission assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a toggle assembly according to an embodiment of the present invention

FIG. 6 is a schematic structural diagram of a blanking guide assembly according to an embodiment of the present invention

In the figure: 1. screening the material box; 11. a material screening cavity; 12. a screen assembly; 13. a material screening net plate; 14. a guide substrate; 15. a blanking guide component; 16. a buffer assembly; 17. a transmission assembly; 18. a discharging bin; 19. feeding into a storage bin; 21. connecting the laths; 22. a material screening saving plate; 23. an engagement assembly; 24. turning over the bolt; 26. turning over the sleeve; 27. a turning shaft; 28. turning over the outer frame; 29. positioning bolts; 31. a driving rod member; 32. an outer edge plate; 33. positioning the shaft; 34. a limiting groove; 35. a pushing block; 36. the component is stirred; 41. a triangular plate; 42. a transmission outer frame; 43. a connecting bolt; 44. a swing block; 45. a transmission rod; 46. a power input shaft; 51. mounting a base; 52. adjusting the turntable; 53. a steering seat; 54. a baffle; 55. a blower; 56. a dust discharge bin; 61. a positioning sleeve; 62. a support shaft; 63. a telescopic plate; 64. a movable rod; 65. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

In one embodiment;

referring to fig. 1, a multilayer pulse environment-friendly vibration cleaning sieve for grains is provided, which comprises a sieve box 1, a sieve cavity 11 is arranged in the sieve box 1, and a plurality of sieve components 12 are sequentially arranged in the space in the sieve cavity 11 from a horizontal high position to a horizontal low position;

the material sieving component 12 comprises a material sieving screen plate 13, a transmission component 17 arranged at the power input end of the material sieving screen plate 13 and a guide base plate 14 connected to the discharge end of the material sieving screen plate 13, and the guide base plate 14 is connected to a corresponding discharge bin 18 on the material sieving box 1.

The screen material screen plate 13 consists of a plurality of connected node plates, the transmission assembly 17 is used for driving the screen material screen plate 13 to move in a wave manner, and the other end of the screen material screen plate 13 is connected with the guide base plate 14 through the buffer assembly 16;

the screening components 12 are arranged in a mutually staggered mode, and a blanking guide component 15 is arranged between the adjacent screening net plates 13.

The top of the screening box 1 is provided with a feeding bin 19, grain materials fall into the screening cavity 11 from the feeding bin 19, and are sequentially screened at different densities through the screening components 12 from top to bottom; the material which does not pass through the screen material screen plate 13 is discharged from the discharging bin 18, the material which passes through the screen material screen plate 13 is guided to the screen material component 12 of the next layer through the discharging guide component 15,

in the embodiment, the screen material screen plate 13 consists of a plurality of interconnected node plates, one end of the screen material screen plate inputs driving force through the transmission component 17, the driving force is input to the screen material screen plate 13 and is transmitted in sequence along with the interconnected node plates; the transmission component 17 changes the rotation direction every period, so that the node plates on the screen material screen plate 13 turn over one by one each time, turn up and gradually attenuate to the original state, and do reciprocating pulse motion; and the buffering subassembly 16 of cooperation other end, buffering subassembly 16 forms the elastic support power of opposite side to reach the undulant effect of reciprocity, sieve material otter board 13 is wavy motion, very big improvement the effect of material sieve material, and drive the stirring of material when the sieve material, prevent effectively that the material from piling up, improve the comprehensive of sieve material.

In the implementation operation, the screening component 12 on the first layer at the top is used for screening out sundries with the outer diameters larger than grain particles, such as stone particles, branches and leaves, and the like, and a plurality of screening components 12 can be designed in the middle layer and used for carrying out classification screening treatment on grains with different sizes; the last layer at the bottom is used for screening dust, scurf and shriveled particles.

As an example, fig. 1 shows a mechanism arrangement manner of the pan feeding device on the flat tube, at least three groups of material sieving assemblies 12 are designed, but a plurality of groups of material sieving assemblies 12 may be designed in the middle area of the pan feeding device to classify and process grains with different sizes.

In one embodiment;

referring to fig. 2, for the screen plate 13, the design of the embodiment has the following structure:

the screen material screen plate 13 comprises a plurality of screen material node plates 22, a linking slat 21 connected between the screen material node plates 22 and a linking component 23 arranged on the edge of the screen material screen plate 13, the linking slat 21 and the screen material node plates 22 are of an integrated structure and can be folded and turned over, a plurality of turning bolts 24 are arranged on the linking component 23, turning shafts 27 are arranged at the axes of the turning bolts 24, the turning shafts 27 are connected with the corresponding screen material node plates 22, turning sleeves 26 capable of being opened and closed are respectively arranged on two sides of the turning shafts 27, turning outer frames 28 are arranged on the outer edges of the turning sleeves 26, and the frame corner positions of the turning outer frames 28 are connected with the linking slat 21 through positioning bolts 29.

Sieve material link plate 22 is the major structure of sieve material otter board 13, links up slat 21 and is used for connecting sieve material link plate 22 as integral structure, and first sieve material link plate 22 is connected with drive assembly 17, is driven and up stirs down, drives the upset frame 28 of adjacent side through upset frame 28 and uses stirring axle 27 to stir as the axis, is the transmission in proper order between the follow-up adjacent sieve material link plate 22 to reach the effect that the wave formula was stirred.

In one embodiment;

referring to fig. 1 and 3, a transmission rod 31 is arranged on the transmission assembly 17, an outer edge plate 32 is externally connected to the screen mesh plate 13, the transmission rod 31 and the outer edge plate 32 are integrally connected, a limit groove 34 is arranged on the inner wall of the screen cavity 11, a positioning shaft 33 is arranged at the joint of the transmission rod 31 and the outer edge plate 32, the positioning shaft 33 is installed in the limit groove 34 in a limiting manner, a pushing block 35 is externally connected to the transmission rod 31, and a shifting assembly 36 is externally connected to the pushing block 35.

Referring to fig. 3 and 4, the toggle assembly 36 includes a triangular plate 41 and transmission frames 42 respectively located at two outer sides of the triangular plate 41, a power input shaft 46 is externally connected to a top corner end of the triangular plate 41, one end of the transmission frames 42 at two sides is connected to two bottom corner ends of the triangular plate 41 through a connection bolt 43, a swing block 44 is connected between the other ends, and the swing block 44 is connected to the pushing block 35 through a transmission rod 45.

For the driving mode of the transmission assembly 17, the power input shaft 46 is externally connected with a driving motor, and drives the triangular disc 41 to rotate through the driving rotation of the motor, so as to drive the transmission outer frames 42 at two sides to perform an alternate push-up motion, and then drive the swinging block 44 to perform reciprocating push up and down and swing left and right, and the swinging block 44 is transferred to the screen material screen plate 13 through the pushing block 35, and then drive the screen material screen plate 13 to perform turning left and right while moving up and down; namely, the screen mesh plate 13 is driven to not only turn over in a left-right wave manner, but also fluctuate up and down.

For the screen material screen plate 13, a positioning shaft 33 is arranged at the joint of the outer edge plate 32 and the transmission rod member 31, the positioning shaft 33 is installed in a limiting groove 34 in a limiting way, and the limiting groove 34 is the range of motion amplitude of the screen material screen plate 13; thereby limiting the motion trail of the screen material mesh plate 13.

In one embodiment;

referring to fig. 1 and 5, the buffering assembly 16 includes a telescopic plate 63, the telescopic plate 63 is of a sleeve plate structure, a fixed end of the telescopic plate 63 is connected to the guide base plate 16 through a support shaft 62, a movable end of the telescopic plate 63 is fixedly mounted to the screen mesh plate 13 through positioning sleeves 61 on two sides, movable rods 64 penetrate through the positioning sleeves 61, and the movable rods 64 are connected to the fixed end of the telescopic plate 63 and are provided with elastic members 65.

Since the screen mesh plate 13 will properly undulate in the vertical direction, the present embodiment is designed to be mounted and connected to the guide base plate 16 through the support shaft 62, and the undulation range thereof is ensured to be connected to the guide base plate 16 by using the support shaft 62 as the steering axis; and be the wavy turning of left-right direction to sieve material otter board 13, this embodiment designs flexible plate 63 to be provided with elastic component 65 between the stiff end of flexible plate 63 and flexible end, form extrusion elasticity, improve sieve material otter board 13's undulant effect, improve sieve material effect then.

In one aspect of the present embodiment, the positioning sleeve 61 and the movable rod 64 are combined to form a telescopic sleeve structure, and the elastic member 65 is a buffer spring wound around the movable rod 64.

In one embodiment;

referring to fig. 6, the blanking guide assembly 15 includes a mounting base 51 mounted on an inner wall of the screening chamber 11, an adjusting turntable 52 mounted on the mounting base 51, a turning seat 53 mounted on the adjusting turntable 52, and a guide plate 54 mounted on the turning seat 53, where the guide plate 54 is located on a blanking side of the screening net plate 13 on the previous layer and is guided to a screening side of the screening net plate on the next layer. To unloading guide assembly 15, this embodiment designs guide plate 54 and installs through adjusting carousel 52, when equipment transfers the machine, can adjust the water conservancy diversion angle of guide plate 54 to be fit for the cereal of not equidimension weight.

In one embodiment;

referring to fig. 1 and 6, in some grain processes, dust is often separated from cereal scraps, and the cereal scraps are further made into products, so that in the present embodiment, a discharging guide assembly 15 is further disposed below the lowest screening assembly 12, a flow guide plate 54 of the discharging guide assembly is a mesh plate type structure, a blower 55 is disposed on a side surface of the discharging guide assembly, and a dust discharging bin 56 is disposed on a discharging side of the discharging guide assembly.

The guide plate 54 is an angle-adjustable and obliquely-arranged net plate type structure and is used for separating grain skin scraps from dust; the dust is blown into the lower part of the guide plate 54 by the blower 55, falls into the dust exhaust bin 56, and is exhausted from the dust exhaust bin 56 by the induced draft tube.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-layer pulsed environmental protection vibrating cleaning screen for grains, comprising a screening material box, a screening material cavity is built in the screening material box, and several Screen assembly; characterized in that,

The screen material assembly includes a screen material screen plate, a transmission assembly arranged at the power input end of the screen material screen plate, and a guide base plate connected to the discharge end of the screen material screen plate, and the guide base plate is connected to the corresponding discharge material on the screen material box. warehouse;

The screen material screen plate is composed of several interconnected section plates, the transmission component is used to drive the screen material screen plate to move in a wave-like manner, and the other end of the screen material screen plate is connected with the guide base plate through the buffer component;

The sieve components are arranged in a staggered manner, and a feeding guide component is arranged between adjacent sieve mesh plates.

2. The grain multi-layer pulse environmental protection vibrating cleaning screen according to claim 1, characterized in that, the screen material screen plate comprises a plurality of screen material section plates, connecting strips connected between the screen material section plates, and a set of The connecting assembly on the edge of the screen plate, the connecting strip and the screen section plate are in an integrated structure but can be folded and flipped with each other. The connecting assembly is provided with a number of flipping bolts. A flipping shaft is provided at the top, and the flipping shaft is connected with the corresponding screen material segment plate. Both sides of the flipping shaft are respectively provided with openable and closable flipping sleeves. The outer edge of the flipping sleeve is provided with a flipping outer frame. The corner positions of the outer frame are connected with the connecting strips through positioning bolts.

3. The grain multi-layer pulse environmental protection vibrating cleaning screen according to claim 2, characterized in that, a transmission rod is provided on the transmission assembly, an outer edge plate is externally connected to the screen plate, and the transmission rod is provided with a transmission rod. It is integrally connected with the outer edge plate, the inner wall of the screen material cavity is provided with a limit groove, the connection between the transmission rod and the outer edge plate is provided with a positioning shaft, and the positioning shaft is limited and installed in the limit groove In the above, a push block is externally connected to the transmission rod, and a toggle assembly is externally connected to the push block.

4. The grain multi-layer pulse environmental protection vibrating cleaning screen according to claim 3, characterized in that, the toggle assembly comprises a triangular disk and a transmission outer frame respectively located on both outer sides of the triangular disk, and the top corner ends of the triangular disk are The power input shaft is externally connected, one end of the outer frame of the transmission on both sides is connected with the two bottom corner ends of the triangular disc through connecting bolts, and the other end is connected with a swing block, and the swing block is connected with the push block through the transmission rod. connect.

5 . The multi-layer pulse environmental protection vibrating cleaning screen for grain according to claim 1 , wherein the buffer assembly comprises a telescopic plate member, and the telescopic plate member adopts a sleeve-type structure, and the fixed end of the telescopic plate member passes through the support shaft. 6 . It is installed and connected with the guide base plate, and the movable end of the telescopic plate piece and the screen mesh plate are fixedly installed through the positioning sleeves on both sides. Fixed end and installed with elastic.

6. The grain multi-layer pulse environmental protection vibrating cleaning screen according to claim 1, wherein the feeding guide assembly comprises a mounting base mounted on the inner wall of the sieve cavity, and an adjusting turntable mounted on the mounting base, The steering seat installed on the adjustment turntable, and the deflector installed on the steering seat, the deflector is located on the lower side of the screen plate of the upper layer and guided to the bottom of the screen plate of the next layer. screen side.

7. The multi-layer pulse environmental protection vibrating cleaning screen for grain according to claim 6, characterized in that the deflector at the bottom layer is provided with a mesh plate structure, and its side is provided with a blower, and its blanking side is provided with a dust discharger warehouse.