CN114669476A

CN114669476A - Variable angle environmental protection vibrating screen

Info

Publication number: CN114669476A
Application number: CN202210332333.9A
Authority: CN
Inventors: 刘琪; 朱辉; 王昆明; 周运动; 孙永灿; 叶维林; 蔡军
Original assignee: Hubei Ye Wei Grain And Oil Machinery Co ltd; Central Reserve Grain Xuzhou Direct Warehouse Co ltd
Current assignee: Hubei Ye Wei Grain And Oil Machinery Co ltd; Central Reserve Grain Xuzhou Direct Warehouse Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-28
Anticipated expiration: 2042-03-31
Also published as: CN114669476B

Abstract

The invention discloses an environment-friendly vibrating sliding screen with a variable angle, which is characterized by comprising a fixed rack, a sliding screen box and a wind bin; the discharging end of the slide screen box is rotatably fixed on the fixed rack, the feeding end of the slide screen box is fixed on the fixed rack in a lifting way through a lifting device, and a vibration motor is fixed on the slide screen box and is arranged to enable the slide screen box to reciprocate along the grain rolling direction; an air bin is arranged between the discharge end of the slide screen box and the receiving hopper. The invention can adjust the angle of the device according to the requirement and improve the screen sliding efficiency of the grains.

Description

Environment-friendly vibrating screen with variable angle

Technical Field

The invention relates to the field of grain equipment. More particularly, the present invention relates to a variable angle environmentally friendly vibratory screen.

Background

Grain is reaping the back, through processes such as drying, dust removal, later collect and send into the granary and store, have among the prior art to remove dust through independent shale shaker to grain and handle, grain gets into from the feed inlet of shale shaker, discharges from the discharge gate of shale shaker, and this kind of dust removal mode has the defect, only removes dust through the shale shaker to grain and handles, and grain gathers together in the shale shaker, and grain still adheres to many dusts on the grain after the shale shaker is handled.

Disclosure of Invention

The invention aims to provide an environment-friendly vibrating screen with a variable angle, which can adjust the angle of a device according to requirements and improve the screen sliding efficiency of grains.

The technical scheme adopted by the invention for solving the technical problem is as follows: an environment-friendly vibrating and sliding screen with a variable angle comprises a fixed frame, a sliding screen box and a wind cabin; the discharging end of the slide screen box is rotatably fixed on the fixed rack, the feeding end of the slide screen box is fixed on the fixed rack in a lifting way through a lifting device, and a vibration motor is fixed on the slide screen box and is arranged to enable the slide screen box to reciprocate along the grain rolling direction; an air bin is arranged between the discharge end of the slide screen box and the receiving hopper.

Preferably, the lifting device comprises a lifting fork, a hand winch and a fixed pulley; one end of the lifting fork is hinged to the sliding screen box, the other end of the lifting fork is hinged to the fixed rack, and the hand winch is connected with the lifting fork through the fixed pulley and the steel wire rope.

Preferably, the bilateral symmetry of swift current sieve case is provided with a set of lift fork, the lift fork includes two mutual articulated lifter pieces, be provided with two sets of bases in the fixed frame, the base with the lift fork one-to-one, the lift fork be located upper portion lifter piece with the swift current sieve case is articulated, the lift fork be located the lower part lifter piece with the lower part of base is articulated, the top of base is provided with first coaster, the lift fork is located the lifter piece of lower part and is provided with the second coaster, one side of base is provided with the third coaster, hand capstan winch installs on one of them base, and second coaster on two sets of lift forks and first coaster, the third coaster on two sets of bases pass through wire rope and the linkage of hand capstan winch.

Preferably, the feed end of swift current sieve case with the swift current sieve waterfall feeder hopper is connected, it will to be provided with two-layer screen cloth in the swift current sieve incasement swift current sieve case separates for upper space, middle level space and lower floor's space, swift current sieve case is provided with the discharge opening and is located upper space, swift current sieve case is provided with down the discharge opening and is located lower floor's space, the swift current sieve case that middle level space corresponds is connected with swift current sieve discharge bin ware, the discharge end of swift current sieve discharge bin ware is connected with the front end in wind storehouse through flexible sealing strip, wind storehouse sliding connection in on the track, the track is fixed in the fixed frame, the lower extreme in wind storehouse is connected with swift current sieve and connects the hopper.

Preferably, the rear end of the air bin is connected with a sliding screen rear air bin square rounding pipeline through a telescopic pipeline, the sliding screen rear air bin square rounding pipeline is connected with a sliding screen air pipe, and the sliding screen air pipe is connected with an inlet of a sliding screen pulse dust collector.

Preferably, the sliding screen pulse dust collector comprises a sliding screen pulse dust collection air cover, a sliding screen fan square rounding pipeline connected with the sliding screen pulse dust collection air cover, and a sliding screen fan connected with the sliding screen fan square rounding pipeline.

Preferably, the sieve chute fan is fixed on the base.

Preferably, the discharge end of the slide screen box is rotatably fixed on a base, and the base is fixed on the fixed rack;

the base connected with the discharge end of the slide sieve box and the base connected with the lifting fork are fixed on the fixed rack through shock pads.

Preferably, the bottom of the fixed frame is provided with a travelling wheel.

The invention at least comprises the following beneficial effects:

1) the two ends of the slide sieve box are rotationally connected, the rotating point of the discharge end of the slide sieve box is round, and the inclination angle of the slide sieve box is adjusted through a lifting device, so that grains with different weights are accurately sieved;

2) the vibrating motor is fixed on the sliding sieve box, the screening efficiency of grains is improved through the vibrating motor, and the problem that the conventional environment-friendly vibrating sliding sieve needs to allocate the vibration angle when the vibrating motor is installed is solved through the fixing mode at the two ends of the sliding sieve box.

3) The winnowing is also carried out after the screening of the chute screen box, so that the impurity and dust removing quality of the grains is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural view of the variable angle eco-friendly vibratory screen of the present invention;

fig. 2 is a schematic structural diagram of a lifting device according to an embodiment of the present invention.

Description of reference numerals: 1 fixed frame, 2 swift current sieve case, 3 windhouses, 4 vibrating motor, 5 hand capstan winch, 6 lifter bar, 7 bases, 8 first coaster, 9 second coaster, 10 third coaster, 11 swift current sieve waterfall feeder hoppers, 12 screen cloth, 13 upper discharge opening, 14 lower discharge opening, 15 swift current sieve play feed bin ware, 16 tracks, 17 swift current sieve connect the hopper, 18 swift current sieve back windhouse side become round pipeline, 19 swift current sieve tuber pipes, 20 swift current sieve pulse dust remover, 21 swift current sieve pulse dust removal fan housing, 22 swift current sieve fan side become round pipeline, 23 swift current sieve fan, 24 walking wheels, 25 augers, 26 wire rope lugs, 27 wire rope.

Detailed Description

The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.

Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.

The invention is further described in detail with reference to the accompanying drawings and implementation, and the specific implementation process is as follows:

as shown in figures 1-2, the invention provides an environment-friendly vibrating and sliding screen with a variable angle, which comprises a fixed frame 1, a sliding screen box 2 and an air bin 3; the discharge end of the slide screen box 2 is rotatably fixed on the fixed rack 1, the feed end of the slide screen box 2 is fixed on the fixed rack 1 in a lifting way through a lifting device, and a vibration motor 4 is fixed on the slide screen box 2 and is arranged to enable the slide screen box 2 to reciprocate along the grain rolling direction; and an air bin 3 is arranged between the discharge end of the slide screen box 2 and the receiving hopper.

In this embodiment, the both ends of swift current sieve case 2 all set up to rotate to be connected, the discharge end rotation point that uses swift current sieve case 2 is circular, adjust swift current sieve case 2 inclination through elevating gear, the realization is to the accurate screening of different weight grains, be fixed with vibrating motor 4 on swift current sieve case 2, vibrating motor's quantity can be 1 or a plurality of, through vibrating motor 4 shaking power and frequency, improve grain vibration flotation and classify, the screening efficiency of the velocity of flow, special fixed form through swift current sieve case 2 both ends hinge, make the environmental protection shake swift current sieve possess the function of swift current sieve and shale shaker simultaneously, can also adjust the contained angle of swift current sieve case at any time, vibrating motor 4 of this application is when the start-up, allow swift current sieve case 2 along its axis direction reciprocating swing, the vibration volume control is about 6 mm.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the lifting device comprises a lifting fork, a hand winch 5 and a fixed pulley; lifting fork one end is articulated with swift current sieve case 2, lifting fork's the other end with fixed frame 1 is articulated, hand capstan winch 5 with lifting fork passes through the fixed pulley and is connected with wire rope 27, through the adjustment of receiving and releasing of wire rope 27 lifting fork's contained angle to adjust the inclination of swift current sieve case 2.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: a group of lifting forks are symmetrically arranged at two sides of the slide screen box 2, each lifting fork comprises two lifting rod pieces 6 which are hinged with each other, two groups of bases 7 are arranged on the fixed frame 1, the bases 7 correspond to the lifting forks one by one, the lifting rod piece 6 positioned at the upper part of the lifting fork is hinged with the slide screen box 2, the lifting rod piece 6 positioned at the lower part of the lifting fork is hinged with the lower part of the base 7, a first pulley 8 is arranged at the top end of the base 7, a second pulley 9 is arranged on the lifting rod piece 6 at the lower part of the lifting fork, one side of base 7 is provided with third coaster 10, hand winch 5 installs on one of them base 7, and second coaster 9 on two sets of lift forks and first coaster 8, the third coaster 10 on two sets of bases 7 pass through wire rope 27 and the linkage of hand winch 5, accomplish the angle modulation of swift current sieve case 2 through receiving and releasing of wire rope 27.

In the above embodiment, the wire rope 27 is passed from the hand winch 5 to the first block 8 on the same-side base 7 and the second block 9 on the same-side lifting fork, and then passed back to the first block 8 (therefore, this block is a two-wheeled block) and the third block 10 on the same-side base 7, and finally fixed to the wire rope lifting lug 26 provided on the other base 7 through the third block 10, the first block 8 and the second block 9 of the other base 7. The linkage of two groups of lifting forks is realized by adjusting the winding and unwinding of the steel wire rope 27, the lifting forks on two sides are synchronously driven by one hand winch 5, the operation convenience is improved, and the angle of the sliding sieve box 2 is adjusted between 11 degrees and 50 degrees by adjusting the lifting forks.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the feeding end of the slide sieve box 2 is connected with the slide sieve waterfall feeding hopper 11, two layers of screen meshes 12 are arranged in the slide sieve box 2 to separate the slide sieve box 2 into an upper space, a middle space and a lower space, the slide sieve box 2 is provided with an upper discharge hole 13 and is positioned in the upper space, impurities of the slide sieve positioned in the upper space are led out through the upper discharge hole 13, the slide sieve box 2 is provided with a lower discharge hole 14 and is positioned in the lower space, impurities of the slide sieve positioned in the lower space are led out through the lower discharge hole 14, the slide sieve box 2 corresponding to the middle space is connected with a slide sieve discharge bin device 15, the discharge end of the slide sieve discharge bin device 15 is connected with the front end of the wind bin 3 through a flexible sealing strip, the slide sieve box 2 extrudes the flexible sealing strip when in reciprocating motion under the action of the vibration motor 4, the flexible sealing strip can generate certain deformation, the wind bin 3 is connected on the track 16 in a sliding manner, the track 16 is fixed on the fixed frame 1, the lower end of the air bin 3 is connected with a sliding screen receiving hopper 17, and due to the movement of the sliding screen box 2, the sliding screen discharging bin device 15 can drive the air bin 3 to have a certain moving range, so that the track 16 is installed on the fixed frame 1, and the movement of the air bin 3 is guaranteed.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the rear end of the air bin 3 is connected with a sliding screen rear air bin square rounding pipeline 18 through a telescopic pipeline, the sliding screen rear air bin square rounding pipeline 18 is connected with a sliding screen air pipe 19, and the sliding screen air pipe 19 is connected with an inlet of a sliding screen pulse dust collector 20.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the sliding screen pulse dust collector 20 comprises a sliding screen pulse dust collection fan cover 21, a sliding screen fan square rounding pipeline 22 connected with the sliding screen pulse dust collection fan cover 21, and a sliding screen fan 23 connected with the sliding screen fan square rounding pipeline 22.

The working principle of the environment-friendly vibrating screen with the variable angle is as follows: grains carrying impurities pass through a slide sieve of the slide sieve box 2, oversize matters of larger impurities are separated through an upper layer space, impurity oversize matters with smaller particle sizes are discharged through a lower discharge hole 14 of a lower layer space, grains in a middle layer space pass through a middle layer space, a slide sieve discharge bin device 15 and enter an air bin 3, the air bin 3 is used for winnowing and dust collection of the grains, air enters from the front end of the air bin 3, under the action of the air flow, in the process that the grains fall in the air bin 3, the air flow penetrates through a grain layer, impurities and dust which are lighter than the grains can be taken away, the dust and the impurities pass through the sliding screen rear air bin square rounding pipeline 18 and the sliding screen air pipe 19 and enter the sliding screen pulse dust collector 20 for settlement, the impurities are separated from air, the impurities enter the auger 25 of the pulse dust collector, the air is filtered and discharged through the sliding screen pulse dust collector 20, and the grains finally fall into the sliding screen receiving hopper 17 to finish sliding screen.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the sieve-sliding fan 23 is fixed on the base 7.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the discharge end of the slide screen box 2 is rotatably fixed on a base 7, and the base 7 is fixed on the fixed rack 1;

the base 7 connected with the discharge end of the slide screen box 2 and the base 7 connected with the lifting fork are fixed on the fixed rack 1 through shock pads.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the bottom of the fixed frame 1 is provided with traveling wheels 2424, so that the environment-friendly vibrating screen can move conveniently.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims

1. An environment-friendly vibrating sliding screen with a variable angle is characterized by comprising a fixed frame, a sliding screen box and a wind bin; the discharging end of the slide screen box is rotatably fixed on the fixed rack, the feeding end of the slide screen box is fixed on the fixed rack in a lifting way through a lifting device, and a vibration motor is fixed on the slide screen box and is arranged to enable the slide screen box to reciprocate along the grain rolling direction; an air bin is arranged between the discharge end of the slide screen box and the receiving hopper.

2. The environmentally friendly vibratory screen of claim 1, wherein the lifting means comprises a lifting fork, a hand winch, and a fixed pulley; one end of the lifting fork is hinged to the sliding screen box, the other end of the lifting fork is hinged to the fixed rack, and the hand winch is connected with the lifting fork through the fixed pulley and the steel wire rope.

3. The environmentally friendly vibrating screen of claim 2, wherein a set of lifting forks are symmetrically arranged on both sides of the screen box, the lifting fork comprises two lifting rod pieces which are hinged with each other, two groups of bases are arranged on the fixed frame, the bases correspond to the lifting forks one by one, the lifting rod piece positioned at the upper part of the lifting forks is hinged with the sliding sieve box, the lifting rod piece positioned at the lower part of the lifting fork is hinged with the lower part of the base, the top end of the base is provided with a first pulley, a second pulley is arranged on the lifting rod piece positioned at the lower part of the lifting fork, a third pulley is arranged at one side of the base, the hand winch is installed on one of the bases, and the second tackle on the two sets of lifting forks and the first tackle and the third tackle on the two sets of bases are linked with the hand winch through steel wire ropes.

4. The environment-friendly vibrating screen with the variable angle as claimed in claim 3, wherein the feeding end of the sliding screen box is connected with the sliding screen waterfall feeding hopper, two layers of screen cloth are arranged in the sliding screen box to divide the sliding screen box into an upper layer space, a middle layer space and a lower layer space, the sliding screen box is provided with an upper discharge hole and is located in the upper layer space, the sliding screen box is provided with a lower discharge hole and is located in the lower layer space, the sliding screen box corresponding to the middle layer space is connected with a sliding screen discharge bin device, the discharge end of the sliding screen discharge bin device is connected with the front end of an air bin through a flexible sealing strip, the air bin is connected on the track in a sliding manner, the track is fixed on the fixed frame, and the lower end of the air bin is connected with a sliding screen receiving hopper.

5. The environment-friendly vibration sieve of claim 4, wherein the rear end of the air bin is connected with a rear air bin square rounding pipeline of the sieve through a telescopic pipeline, the rear air bin square rounding pipeline of the sieve is connected with a sieve sliding air duct, and the sieve sliding air duct is connected with an inlet of a sieve sliding pulse dust collector.

6. The environment-friendly vibrating screen with the variable angle as set forth in claim 5, wherein the screen-sliding pulse dust collector comprises a screen-sliding pulse dust collection fan housing, a screen-sliding fan square rounding pipe connected with the screen-sliding pulse dust collection fan housing, and a screen-sliding fan connected with the screen-sliding fan square rounding pipe.

7. The environmentally friendly vibratory screen of claim 6, wherein the screen blower is fixed to the base.

8. The environmentally friendly vibratory screen of claim 7, wherein the discharge end of the screen box is rotatably secured to a base, the base being secured to the stationary frame;

9. The environmentally friendly shakedown screen of claim 8, wherein the bottom of the stationary frame is provided with road wheels.