CN210876197U

CN210876197U - Novel vibrating screen

Info

Publication number: CN210876197U
Application number: CN201921521512.7U
Authority: CN
Inventors: 吴林
Original assignee: Inner Mongolia Wanchen Chemical Co ltd
Current assignee: Inner Mongolia Wanchen Lime Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-30
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a novel vibrating screen, which comprises a screen body which is obliquely arranged, wherein a first-order screen and a second-order screen are sequentially arranged in the screen body from top to bottom, the screen seam of the first-order screen and the screen seam of the second-order screen can be adjusted, fixed plates are horizontally arranged at two sides of the screen body, the bottom end of each fixed plate is fixedly connected with the top end of a compression spring, the bottom end of each compression spring is fixedly connected with the top end of a support column, the bottom end of each fixed column is fixedly connected with a bottom plate, and an up-and-down reciprocating vibrating device is arranged on the bottom plate; the utility model has the advantages that: the utility model has simple structure, the screen body of the vibrating screen is designed to be closed, thereby reducing the generation of dust, reducing air pollution and ensuring clean production; the screen gap can be adjusted, the screening of different process requirements can be met, the application is flexible, the effect of one machine with multiple purposes can be achieved, and the resources and the cost are saved; the cam mechanism is adopted to replace a single vibration motor, so that the amplitude is larger, the material blanking is smooth, and the blockage of screen seams is reduced.

Description

Novel vibrating screen

The technical field is as follows:

the utility model relates to a shale shaker technical field especially relates to a novel shale shaker.

Background art:

in the process of calcining active lime, coal is generally used as fuel, so the coal needs to be crushed into powder to improve the combustion efficiency, while the pulverized coal needs to reach a certain particle size to meet the requirement, and is generally screened by a vibrating screen, but the existing vibrating screen has the following defects: 1. most of the vibrating screens are open, and a large amount of dust is generated in the screening process to pollute the environment; 2. due to the change of process conditions, coal particles with different particle sizes are required to be screened sometimes, and the existing vibrating screen is difficult to meet; 3. The existing vibrating screen mostly uses a vibrating motor as a vibrating source, has small amplitude, and causes the vibrating screen to have the phenomena of difficult blanking and screen seam blockage.

The utility model has the following contents:

an object of the utility model is to provide a novel shale shaker.

The content of the utility model is as follows: a novel vibrating screen comprises a screen body which is obliquely arranged, wherein a feed inlet is arranged at the top end of the screen body, a discharge outlet is arranged at the bottom end of the screen body, two partition plates are arranged in the discharge outlet and divide the discharge outlet into a coarse grain discharge outlet, a medium grain discharge outlet and a fine grain discharge outlet, a first-order screen and a second-order screen are sequentially obliquely arranged in the screen body from top to bottom, the screen seam of the first-order screen is larger than the screen seam of the second-order screen, the screen seam of the first-order screen and the screen seam of the second-order screen can be adjusted, fixed plates are horizontally arranged at two side positions of the screen body, the bottom end of each fixed plate is fixedly connected with the top end of a compression spring, the bottom end of each compression spring is fixedly connected with the top end of a support column, the bottom end of each support column is fixedly connected with a bottom plate, an up-down reciprocating vibrating device is arranged, the up-and-down reciprocating vibration device is driven by a motor.

Further, first order sieve with the second order sieve comprises a plurality of grating, the cross section of grating is rectangular shape, the equal fixedly connected with pivot in bottom both sides position of grating, the pivot with the inner wall swivelling joint of screen frame, it is still including adjusting the round bar, adjust the round bar and comprise the polished rod at middle part and the threaded rod at both ends, every the top middle part of grating all with the polished rod is articulated the regulation through-hole of rectangular shape has all been opened at the both ends of screen frame, the both ends of adjusting the round bar all run through adjust the through-hole, the spiro union has lock nut on the threaded rod will adjust the round bar and fix on the screen frame.

Furthermore, the up-down reciprocating vibration device comprises a roller, a cam and a transmission shaft, wherein two ends of the roller are rotatably connected with the bottom surface of the screen body, the cam is arranged right below the roller and is in contact with the roller, the center of the cam is fixedly connected with the transmission shaft, two ends of the transmission shaft are rotatably connected with the rack through bearings, and the transmission shaft is in transmission connection with the motor.

The utility model has the advantages that: the utility model has simple structure, the screen body of the vibrating screen is designed to be closed, thereby reducing the generation of dust, reducing air pollution and ensuring clean production; the screen gap can be adjusted, the screening of different process requirements can be met, the application is flexible, the effect of one machine with multiple purposes can be achieved, and the resources and the cost are saved; the cam mechanism is adopted to replace a single vibration motor, so that the amplitude is larger, the material blanking is smooth, and the blockage of screen seams is reduced.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a schematic structural view of the first order sieve of the present invention;

FIG. 5 is an enlarged view of part A of FIG. 4;

in the figure, a screen body 1, a feed inlet 2, a discharge outlet 3, a coarse grain discharge outlet 4, a medium grain discharge outlet 5, a fine grain discharge outlet 6, a first-order screen 7, a second-order screen 8, a fixing plate 9, a compression spring 10, a support column 11, a bottom plate 12, a motor 13, a screen bar 14, a rotating shaft 15, an adjusting round rod 16, an adjusting through hole 17, a locking nut 18, a roller 19, a cam 20, a transmission shaft 21 and a frame 22.

The specific implementation mode is as follows:

as shown in fig. 1 to 5, a novel vibrating screen comprises a screen body 1 which is obliquely arranged, a feeding port 2 is arranged at the top end of the screen body 1, a discharging port 3 is arranged at the bottom end of the screen body 1, two partition plates are arranged in the discharging port 3 to divide the discharging port into a coarse grain discharging port 4, a medium grain discharging port 5 and a fine grain discharging port 6, a first-order screen 7 and a second-order screen 8 are sequentially obliquely arranged in the screen body 1 from top to bottom, the screen gap of the first-order screen 7 is larger than that of the second-order screen 8, the screen gap of the first-order screen 7 and that of the second-order screen 8 can be adjusted, fixing plates 9 are horizontally arranged at two sides of the screen body 1, the bottom end of each fixing plate 9 is fixedly connected with the top end of a compression spring 10, the bottom end of the compression spring 10 is fixedly connected with the top end of a supporting column 11, and the bottom end of the, an up-down reciprocating vibration device is arranged on the bottom plate 12 and is in contact with the bottom surface of the screen body 1, and the up-down reciprocating vibration device is driven by a motor 13; the first-order sieve 7 and the second-order sieve 8 are composed of a plurality of sieve bars 14, the cross sections of the sieve bars are long-strip-shaped, rotating shafts 15 are fixedly connected to two sides of the bottom ends of the sieve bars 14, the rotating shafts 15 are rotatably connected with the inner wall of the sieve body 1, the sieve further comprises adjusting round rods 16, each adjusting round rod 16 is composed of a polished rod in the middle and threaded rods at two ends, the middle of the top end of each sieve bar 14 is hinged to the polished rod, long-strip-shaped adjusting through holes 17 are formed in two ends of the sieve body 1, two ends of each adjusting round rod 16 penetrate through the adjusting through holes 17, and locking nuts 18 are screwed on the threaded rods to fix the adjusting round rods 16 on the sieve body 1; the up-down reciprocating vibration device comprises a roller 19, a cam 20 and a transmission shaft 21, wherein two ends of the roller 19 are rotatably connected with the bottom surface of the screen body 1, the cam 20 is arranged right below the roller 19, the cam 20 is in contact with the roller 19, the center of the cam 20 is fixedly connected with the transmission shaft 21, two ends of the transmission shaft 21 are rotatably connected with a rack 22 through bearings, and the transmission shaft 21 is in transmission connection with the motor 13.

The working principle is as follows: when the vibrating screen works, materials enter from the feeding hole 2 and are respectively discharged through the coarse grain discharging hole 4, the medium grain discharging hole 5 and the fine grain discharging hole 6 after being screened by the first-order screen 7 and the second-order screen 8, the motor 13 drives the up-and-down reciprocating vibrating device to realize the vibration of the screen body 1 in the process, and the compression spring 10 plays a good role in shock absorption and buffering; when the screen slot of the first-order screen 7 or the second-order screen 8 needs to be adjusted, the locking nut 18 is loosened, the adjusting round rod 16 is adjusted to change the angle of the screen bars 14, namely the width of the screen slot is changed, and then the locking nut is tightened again.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel vibrating screen, its screen frame (1) including the slope setting the top of screen frame (1) is provided with feed inlet (2) the bottom of screen frame (1) is provided with discharge gate (3), it will to be provided with two baffles in discharge gate (3) the discharge gate is cut apart into coarse grain discharge gate (4), medium grain discharge gate (5) and fine grain discharge gate (6), its characterized in that: a first-order sieve (7) and a second-order sieve (8) are arranged in the sieve body (1) from top to bottom in an inclined manner, the screen gap of the first-order screen (7) is larger than that of the second-order screen (8), the screen gap of the first-order screen (7) and the screen gap of the second-order screen (8) can be adjusted, fixing plates (9) are horizontally arranged at two sides of the screen body (1), the bottom ends of the fixing plates (9) are fixedly connected with the top ends of compression springs (10), the bottom end of the compression spring (10) is fixedly connected with the top end of the supporting column (11), the bottom end of the supporting column (11) is fixedly connected with the bottom plate (12), and an up-down reciprocating vibration device is arranged on the bottom plate (12), is in contact with the bottom surface of the screen body (1) and is driven by a motor (13).

2. The new vibrating screen of claim 1, wherein: first order sieve (7) with second order sieve (8) comprise by a plurality of grating (14), the cross section of grating is rectangular shape, the equal fixedly connected with pivot (15) in bottom both sides position of grating (14), pivot (15) with the inner wall swivelling joint of screen frame (1), it is still including adjusting round bar (16), adjust round bar (16) and comprise the polished rod at middle part and the threaded rod at both ends, every the top middle part of grating (14) all with the polished rod is articulated adjust through-hole (17) that has rectangular shape are all opened at the both ends of screen frame (1), the both ends of adjusting round bar (16) all run through adjust through-hole (17), the spiro union has lock nut (18) to incite somebody to action on the threaded rod adjust round bar (16) and fix on the screen frame (1).

3. The new vibrating screen of claim 1, wherein: the up-down reciprocating vibration device comprises a roller (19), a cam (20) and a transmission shaft (21), wherein the two ends of the roller (19) are connected with the bottom surface of the screen body (1) in a rotating mode, the cam (20) is arranged under the roller (19), the cam (20) is in contact with the roller (19), the center of the cam (20) is fixedly connected with the transmission shaft (21), the two ends of the transmission shaft (21) are connected with a rack (22) in a rotating mode through bearings, and the transmission shaft (21) is in transmission connection with the motor (13).