CN213223238U

CN213223238U - Multi-functional sieving mechanism with wind selection dust fall function

Info

Publication number: CN213223238U
Application number: CN202022088166.7U
Authority: CN
Inventors: 李素亮
Original assignee: Anhui Xiehecheng Chinese Herbal Medicine Co ltd
Current assignee: Anhui Xiehecheng Chinese Herbal Medicine Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-18
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a multifunctional screening device with air-selecting and dust-reducing functions, which belongs to the technical field of screening, and comprises a screening box, wherein the front side of the screening box is movably provided with a box door, the upper surface of the screening box is provided with a loading hopper, the loading hopper is hinged with a cover plate through a pin shaft, the interior of the screening box is slidably provided with a screening plate which inclines downwards through an elastic supporting component, the screening plate is provided with a screen, and the screening box is provided with a driving component; through setting up drive assembly and elastic support subassembly, the elastic action that utilizes the pivot to drive the normal running fit spring of eccentric wheel makes the up-and-down motion that the screening plate can be continuous, and then has reached fine shock effect, and can avoid it to block up the mesh when the material is shocked to can filter the material fast, utilize the screen cloth that a plurality of meshes are not of uniform size on the screening plate of slope simultaneously, be convenient for select the material of different particle diameters, simple structure, practical convenient.

Description

Multi-functional sieving mechanism with wind selection dust fall function

Technical Field

The utility model belongs to the technical field of the screening, concretely relates to multi-functional sieving mechanism with wind selection dust fall function.

Background

The screening is to make the fine material smaller than the sieve mesh penetrate the sieve surface by the sieve, and the coarse material larger than the sieve mesh is retained on the sieve surface, thereby completing the separation process of coarse and fine materials, the separation process can be regarded as two stages of material layering and fine particle sieving, the material layering is the condition for completing the separation, the fine particle is suitable for the sieving to be the purpose of separation, the process of separating the mixed waste of different particle size particles into two or more groups of particle groups by one or more than one sieve surface is utilized, the screening has two operations of wet separation and dry separation, the screening of the solid waste is usually selected by dry separation, and a plurality of sieve surfaces can be simultaneously carried out during the screening. The screening process can be divided into two processes, material stratification and fine grain screening, wherein the fine grain screening is the purpose of separation.

The existing material is capable of being doped with dust during screening, so that the dust can be scattered in the air during screening, the influence is brought to the working environment, the screen cannot move during screening, the screening effect is poor, and the material is easy to block the meshes of the screen and reduce the screening precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional sieving mechanism with wind selection dust fall function, use through being provided with drive assembly cooperation elastic support subassembly, make the screening board constantly up-and-down motion, and through the dust of fan extraction screening process, with the current material of proposing in solving above-mentioned background art when the screening, because can be doped with the dust in the material, and then make the screening in-process dust can waft and scatter in the air, bring the influence for operational environment, and the screen cloth can not move when the screening, it is not good to filter the effect, the material blocks up the mesh of screen cloth easily and gives the problem that reduces the screening precision.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional screening device with a wind selection dust-settling function comprises a screening box, wherein a box door is movably mounted on the front face of the screening box, a loading hopper is mounted on the upper surface of the screening box, a cover plate is hinged to the loading hopper through a pin shaft, a screening plate which is inclined downwards is slidably mounted in the screening box through an elastic supporting assembly, a screen is mounted on the screening plate, a driving assembly is mounted on the screening box, and the driving assembly is assembled to be used for driving the screening plate to do vertical reciprocating motion;

the upper surface mounting of screening case has the fan, the air inlet end intercommunication of fan has ventilation pipe one, the other end of ventilation pipe one runs through and extends to screening incasement portion and installs the dust extraction cover, the inner wall at the screening case is installed to the dust extraction cover, the air-out end intercommunication of fan has ventilation pipe two, the other end of ventilation pipe two runs through and extends to the dust collection incasement portion, the right flank at the screening case is installed to the dust collection case.

By adopting the scheme, the driving component and the elastic supporting component are arranged, the screening plate can continuously reciprocate up and down by utilizing the rotating shaft to drive the eccentric wheel to rotate and match with the elastic action of the spring, so that a good oscillation effect is achieved, the material can be prevented from blocking meshes when being oscillated, the material can be rapidly screened, meanwhile, the materials with different particle diameters can be conveniently screened out by utilizing a plurality of screens with different mesh sizes on the inclined screening plate, the structure is simple, the use is practical and convenient, the fan is arranged, dust splashed in the screening process is extracted by the fan through the dust hood and then enters the dust collection box, meanwhile, the dust filtration net is utilized to filter gas, the dust is left in the dust collection box, a good dust collection effect is achieved, the dust filtration net is installed by utilizing threads, the later-stage cleaning is convenient, and the operation is convenient, and functional diversity is improved.

In the above scheme, it should be noted that the motor and the fan are both electrically connected to an external power supply.

As a preferred embodiment, the drive assembly includes motor, pivot, eccentric wheel and U-shaped mount pad, the motor is installed in the left surface of screening case and the output shaft of motor and the left end fixed connection of pivot, rotate between pivot and the screening case and be connected, eccentric wheel fixed mounting is laminated with the upper surface of U-shaped mount pad in the surface of pivot and the surface of eccentric wheel, the upper surface at the screening board is installed to the U-shaped mount pad.

Adopt above-mentioned scheme, drive the pivot through being provided with the motor and rotate, the pivot drives the eccentric wheel and rotates, makes the U-shaped mount pad can drive the continuous up-and-down reciprocating motion of screening plate under the laminating effect between eccentric wheel and U-shaped mount pad, and then makes the screening plate can drive the material and constantly vibrate, effectively promotes screening efficiency, and can avoid the material to block up the mesh of screen cloth.

As a preferred embodiment, the elastic supporting unit comprises four sliding blocks and springs, the four sliding blocks are divided into two groups and symmetrically arranged on the left side surface and the right side surface of the screening plate, sliding grooves matched with the sliding blocks are formed in the left side surface and the right side surface of the inner side wall of the screening box respectively, and the springs are located inside the sliding grooves and fixedly connected with the upper surfaces of the inner side wall of the sliding grooves and the upper surfaces of the sliding blocks respectively.

Adopt above-mentioned scheme, through being provided with spring and slider, the screening board passes through the slider and slides in the spout, and then makes slider and spout cooperation can support the screening board, makes the screening board can not take place to rock and stability is better in the atress motion process, utilizes the setting of spring to guarantee that the U-shaped mount pad on the screening board contacts with the eccentric wheel all the time simultaneously, and then the screening board can follow its synchronous up-and-down motion all the time when guaranteeing the eccentric wheel rotation.

In a preferred embodiment, a limiting plate is mounted on the right side surface of the upper surface of the screening plate.

By adopting the scheme, the limiting plates are installed, the materials can be prevented from entering the sliding groove on the right side in the screening box by the limiting plates, and a certain protection effect is achieved.

In a preferred embodiment, the dust box has an open right side, and a dust screen is attached to the open right side of the dust box by bolts.

By adopting the above scheme, through being provided with the dust filter screen, utilize the dust filter screen can filter the gas of fan extraction, avoid the dust discharge, reached fine dust collection effect, and utilize setting up of bolt to be convenient for carry out quick assembly disassembly to the dust filter screen to the effect of being convenient for clear up the dust collection box has been reached.

In a preferred embodiment, the number of the screens is several, and the mesh diameters of the several screens are sequentially increased from left to right.

Adopt above-mentioned scheme, through being provided with a plurality of screen cloth, the screen cloth that utilizes the mesh to increase in proper order makes the tiny particle can enter into left collecting box, and in the material of well granule can enter into the collecting box in the middle of, the material of large granule can enter into the collecting box on right side, and then reaches fine screening effect.

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

the multifunctional screening device with the winnowing dust-settling function is provided with the driving assembly and the elastic supporting assembly, the screening plate can continuously reciprocate up and down by utilizing the rotating shaft to drive the eccentric wheel to rotate and match with the elastic action of the spring, so that a good oscillation effect is achieved, and the material can be prevented from blocking meshes when in oscillation, so that the material can be rapidly screened;

this multi-functional sieving mechanism with selection by winnowing dust fall function utilizes the fan through the dust that splashes in the dust cage extraction screening process, and then enters into the dust collection box, utilizes the dust filter screen to come gas filtration simultaneously for the dust is stayed in the dust collection box, has reached fine dust collection effect, and utilizes the screw thread to install the dust filter screen, and the later stage clearance of being convenient for, convenient operation, perfect function diversity.

Drawings

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

FIG. 2 is a schematic structural view of a front view section of the present invention;

FIG. 3 is a schematic structural view of the sieving plate of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a screening box; 2. a box door; 3. a hopper; 4. a cover plate; 5. screening the plate; 6. screening a screen; 7. a collection box; 8. a motor; 9. a rotating shaft; 10. an eccentric wheel; 11. a U-shaped mounting seat; 12. a slider; 13. a chute; 14. a spring; 15. a fan; 16. a first ventilation pipe; 17. a dust extraction hood; 18. a second ventilation pipe; 19. a dust collection box; 20. a dust filter screen; 21. a bolt; 22. and a limiting plate.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a multifunctional screening device with wind selection and dust reduction functions, which comprises a screening box 1, wherein a box door 2 is movably installed on the front side of the screening box 1, a loading hopper 3 is installed on the upper surface of the screening box 1, a cover plate 4 is hinged on the loading hopper 3 through a pin shaft, a screening plate 5 which is inclined downwards is installed inside the screening box 1 in a sliding manner through an elastic supporting component, and a limiting plate 22 (see fig. 2 and 3) is installed on the right side surface of the upper surface of the screening plate 5; through installing limiting plate 22, utilize limiting plate 22's setting can avoid among the screening process material to enter into screening case 1 in the spout 13 on right side inside, play certain guard action.

The elastic supporting unit comprises four sliding blocks 12 and springs 14, the four sliding blocks 12 are divided into two groups and symmetrically arranged on the left side surface and the right side surface of the screening plate 5, sliding grooves 13 matched with the sliding blocks 12 are respectively formed in the left side surface and the right side surface of the inner side wall of the screening box 1, the springs 14 are positioned in the sliding grooves 13, and two ends of each spring 14 are respectively fixedly connected with the upper surface of the inner side wall of each sliding groove 13 and the upper surface of each sliding block 12 (see fig. 2, 3 and 4); through being provided with spring 14 and slider 12, screening board 5 slides in spout 13 through slider 12, and then makes slider 12 and the cooperation of spout 13 support screening board 5, makes screening board 5 can not take place to rock and stability is better in the atress motion process, utilizes the setting of spring 14 to guarantee that U-shaped mount pad 11 on the screening board 5 contacts with eccentric wheel 10 all the time simultaneously, and then guarantees that screening board 5 can follow its synchronous up-and-down motion all the time when eccentric wheel 10 rotates.

The screen cloth 6 is arranged on the screen plate 5, the number of the screen cloth 6 is several, and the mesh diameters of the several screen cloth 6 are increased from left to right (see fig. 2 and 3); through being provided with a plurality of screen cloth 6, the screen cloth 6 that utilizes the mesh to increase in proper order makes in the small granule can enter into left collecting box 7, and in the material of well granule can enter into middle collecting box 7, the material of large granule can enter into collecting box 7 on right side, and then reaches fine screening effect.

The screening box 1 is provided with a driving assembly, the driving assembly is assembled to be used for driving the screening plate 5 to reciprocate up and down, the driving assembly comprises a motor 8, a rotating shaft 9, an eccentric wheel 10 and a U-shaped mounting seat 11, the motor 8 is installed on the left side surface of the screening box 1, an output shaft of the motor 8 is fixedly connected with the left end of the rotating shaft 9, the rotating shaft 9 is rotatably connected with the screening box 1, the eccentric wheel 10 is fixedly installed on the outer surface of the rotating shaft 9, the outer surface of the eccentric wheel 10 is attached to the upper surface of the U-shaped mounting seat 11, and the U-shaped mounting seat 11 is installed on the upper surface of the screening plate 5 (see fig; drive pivot 9 through being provided with motor 8 and rotate, pivot 9 drives eccentric wheel 10 and rotates, makes U-shaped mount pad 11 can drive screening plate 5 continuous up-and-down reciprocating motion under the laminating effect between eccentric wheel 10 and U-shaped mount pad 11, and then makes screening plate 5 can drive the material and constantly vibrate, effectively promotes screening efficiency, and can avoid the material to block up the mesh of screen cloth 6.

A fan 15 is arranged on the upper surface of the screening box 1, an air inlet end of the fan 15 is communicated with a first ventilation pipe 16, the other end of the first ventilation pipe 16 penetrates and extends into the screening box 1 and is provided with a dust extraction hood 17, the dust extraction hood 17 is arranged on the inner wall of the screening box 1, an air outlet end of the fan 15 is communicated with a second ventilation pipe 18, the other end of the second ventilation pipe 18 penetrates and extends into a dust collection box 19, the dust collection box 19 is arranged on the right side surface of the screening box 1, the right side surface of the dust collection box 19 is in an open shape, and a dust filter net 20 (shown in figures 1 and 2) is arranged at the position of the opening on; through being provided with dust filter 20, utilize dust filter 20 can filter the gas of fan 15 extraction, avoid the dust discharge, reached fine dust collection effect, and utilize setting up of bolt 21 to be convenient for carry out quick assembly disassembly to dust filter 20 to the effect of being convenient for clear up dust collection box 19 has been reached.

When the screening device is used, the cover plate 4 is opened to add materials to be screened into the feeding hopper 3 and further into the screening box 1, the motor 8 and the fan 15 are started, when the materials fall on the screening plate 5, the plurality of screen meshes 6 with meshes sequentially increased enable small particles to enter the left collecting box 7, middle particles of the materials can enter the middle collecting box 7, large particles of the materials can enter the right collecting box 7, the motor 8 is started to drive the rotating shaft 9 to rotate, the rotating shaft 9 drives the eccentric wheel 10 to rotate, the screening plate 5 can continuously reciprocate up and down under the elastic action of the spring 14, further the materials are vibrated, the screening efficiency is improved, the meshes of the screen meshes 6 are prevented from being blocked, meanwhile, the fan 15 extracts dust splashed in the screening process through the dust extraction cover 17, gas enters the dust collection box 19 and is discharged through the dust filtration net 20, the dust is left in the dust collection box 19, after the dust is screened, the box door 2 is opened, the collection box 7 is pulled out, and the dust filter screen 20 can be taken down by screwing out the bolt 21 when the dust collection box 19 needs to be cleaned.

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 multi-functional sieving mechanism with wind selection dust fall function which characterized in that: the screening box comprises a screening box (1), wherein a box door (2) is movably installed on the front face of the screening box (1), a loading hopper (3) is installed on the upper surface of the screening box (1), a cover plate (4) is installed on the loading hopper (3) in a hinged mode through a pin shaft, a screening plate (5) inclining downwards is installed inside the screening box (1) in a sliding mode through an elastic supporting assembly, a screen (6) is installed on the screening plate (5), a driving assembly is installed on the screening box (1), and the driving assembly is assembled to be used for driving the screening plate (5) to do up-and-down reciprocating motion;

the upper surface mounting of screening case (1) has fan (15), the air inlet end intercommunication of fan (15) has ventilation pipe (16), the other end of ventilation pipe (16) runs through and extends to screening case (1) inside and installs dust extraction cover (17), the inner wall at screening case (1) is installed in dust extraction cover (17), the air-out end intercommunication of fan (15) has ventilation pipe two (18), the other end of ventilation pipe two (18) runs through and extends to inside dust collection box (19), the right flank at screening case (1) is installed in dust collection box (19).

2. The multifunctional screening device with the functions of air separation and dust fall according to claim 1, is characterized in that: drive assembly includes motor (8), pivot (9), eccentric wheel (10) and U-shaped mount pad (11), the left side of motor (8) installation at screening case (1) and the output shaft of motor (8) and the left end fixed connection of pivot (9), rotate between pivot (9) and the screening case (1) and be connected, eccentric wheel (10) fixed mounting is laminated with the upper surface of U-shaped mount pad (11) at the surface of pivot (9) and the surface of eccentric wheel (10), the upper surface at screening board (5) is installed in U-shaped mount pad (11).

3. The multifunctional screening device with the functions of air separation and dust fall according to claim 1, is characterized in that: elastic support unit includes slider (12) and spring (14), the quantity of slider (12) is four, and four slider (12) divide into two sets of symmetries and install the left and right sides face in screening board (5), screening case (1) inside wall the left and right sides face seted up respectively with slider (12) assorted spout (13), spring (14) are located spout (13) inside and the both ends of spring (14) respectively with the upper surface of spout (13) inside wall and the fixed surface of slider (12) are connected.

4. The multifunctional screening device with the functions of air separation and dust fall according to claim 1, is characterized in that: and a limiting plate (22) is arranged on the right side surface of the upper surface of the screening plate (5).

5. The multifunctional screening device with the functions of air separation and dust fall according to claim 1, is characterized in that: the right side surface of the dust collection box (19) is open, and a dust filtering net (20) is installed at the position of the opening of the right side surface of the dust collection box (19) through a bolt (21).

6. The multifunctional screening device with the functions of air separation and dust fall according to claim 1, is characterized in that: the number of the screen meshes (6) is a plurality, and the mesh diameters of the screen meshes (6) are sequentially increased from left to right.