CN214638142U

CN214638142U - Vibrating screen for crushing brown corundum

Info

Publication number: CN214638142U
Application number: CN202022717244.5U
Authority: CN
Inventors: 邓延波; 崔强; 张令
Original assignee: Chongqing Saite Corundum Ltd
Current assignee: Chongqing Saite Corundum Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-11-09
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a powder screening technical field specifically discloses brown fused alumina smashes and uses shale shaker, including frame and sieve bucket, the sieve bucket is fixed in the frame, and the bottom of sieve bucket is equipped with the discharge gate, and the top is equipped with the feed inlet, be equipped with the sieve that the slope set up in the sieve bucket, the low side of sieve articulates on the sieve bucket, is equipped with on the sieve bucket to be located the high-end drive unit of sieve, the high-end of drive unit drive sieve is equipped with the discharge port that is located the sieve low side for the low side luffing motion on the sieve bucket. Because the sieve can be in the swing state always in this patent, and the large granule after the screening is direct discharges from the discharge port, consequently need not to shut down in the whole production (except because of circumstances such as maintenance), improved the continuity of brown fused alumina production technology.

Description

Vibrating screen for crushing brown corundum

Technical Field

The utility model relates to a powder screening technical field, in particular to brown fused alumina smashes and uses shale shaker.

Background

Brown corundum, also called carborundum, is brown artificial corundum prepared by melting and reducing alumina, carbon material and scrap iron in an electric arc furnace. The brown corundum contains alumina as main chemical component in 95-97 wt% and small amount of Fe, Si, Ti, etc. Brown corundum is commonly used for producing abrasive materials because of its good wear resistance, and is widely used because of its low price.

The brown corundum abrasive material is required to be screened according to the diameter of the brown corundum abrasive material in the manufacturing process, the most commonly used screening device is a circular screen disc at present, namely the screen disc moves in the horizontal direction to screen, the screening mode can reduce dust in the working environment, and large particles need to be poured out after screening every time, so that the continuity of the process is poor, and the efficiency of the screening process is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brown fused alumina smashes and uses shale shaker to solve the screening plant among the prior art, need shut down after screening at every turn and pour the large granule, thereby make the continuity of technology not good, reduced the problem of the efficiency of screening process.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the vibrating screen for crushing brown corundum comprises a frame and a screen barrel, wherein the screen barrel is fixed on the frame, a discharge hole is formed in the bottom of the screen barrel, a feed hole is formed in the top of the screen barrel, a screen plate which is obliquely arranged is arranged in the screen barrel, the low end of the screen plate is hinged to the screen barrel, a driving unit which is located at the high end of the screen plate is arranged on the screen barrel, the driving unit drives the high end of the screen plate to swing up and down relative to the low end, and a discharge hole which is located at the low end of the screen plate is formed in the screen barrel.

The technical principle and the effect of the technical scheme are as follows:

in this scheme, the brown corundum to be screened is sent into the screen barrel from the feed inlet, the driving unit is started simultaneously, so that the high end of the screen plate swings up and down relative to the low end, the brown corundum entering the screen barrel moves towards the low end under the swinging action of the screen plate and the action of the gravity of the brown corundum, fine particles are discharged from the discharge port through the screen plate, coarse particles move to the low end of the screen plate and are discharged from the discharge port, and the coarse particles enter the next step of working procedure, so that the primary screening of the crushed brown corundum is completed, the screening speed is high, the screen plate can be always in a swinging state, and large particles after screening are directly discharged from the discharge port, so that the whole production is not required to be stopped (except for the conditions of maintenance and the like), and the continuity of the process is improved.

Furthermore, a feed hopper is fixed at the feed inlet.

Has the advantages that: the arrangement of the feed hopper can be convenient for sending the brown fused alumina to be screened into the screen barrel.

Further, the sieve plate is a rectangular plate, and baffle plates are fixed on two side edges of the sieve plate.

Has the advantages that: the setting of baffle can prevent that the sieve from dropping from the both sides of sieve at the vibration in-process, brown aluminium oxide to make the effect of screening unsatisfactory.

Further, the width of the side, close to the discharge port, of the sieve plate is gradually reduced, and the minimum width on the sieve plate is not smaller than the length of the discharge port.

Has the advantages that: the arrangement enables the large-particle brown fused alumina screened out to be well discharged from the discharge port along the sieve plate, and the large-particle brown fused alumina is prevented from being accumulated on two sides of the discharge port.

Further, the drive unit comprises a motor, a rotating shaft, a speed reducing mechanism and a vibrating mechanism, the rotating shaft is horizontally and rotatably connected to the side wall of the sieve barrel, the speed reducing mechanism is connected with an output shaft and a rotating shaft of the motor, and the vibrating mechanism is connected with the rotating shaft and the sieve plate.

Has the advantages that: the setting of reduction gears for the pivot can rotate at a slow speed, and it is long when improving the use of sieve.

Further, the speed reducing mechanism comprises a driving belt wheel, a driven belt wheel and a belt, wherein the driving belt wheel is fixed on an output shaft of the motor, the driven belt wheel is fixed on the rotating shaft, the belt is connected with the driving belt wheel and the driven belt wheel, and the diameter ratio of the driving belt wheel to the driven belt wheel is 1: 3.

Has the advantages that: the belt transmission mechanism formed by the driving belt wheel, the driven belt wheel and the belt is low in noise, more stable in torque transmission and capable of driving the rotating shaft to work stably.

Further, vibration mechanism includes cam and lug, and the cam is fixed in the pivot, has seted up the spout along the periphery contour line of cam, and lug one end articulates in the high-end bottom of sieve, and lug other end sliding connection is in the spout.

Has the advantages that: drive cam synchronous rotation through the pivot, under the cooperation of cam and lug for the high-end of sieve carries out reciprocating motion from top to bottom for the low side, simultaneously because lug one end articulates on the sieve, and other end sliding connection is in the spout, therefore the cam can not break away from the sieve at work, makes whole shale shaker can stable work for a long time.

Further, the outside of reduction gears is equipped with the box, and driving pulley and driven pulley all are located the box, and the box passes through bolted connection on the lateral wall of sieve bucket, and the box is located the outside of sieve bucket.

Has the advantages that: the arrangement is that in order to reduce the influence on normal work caused by external dust entering the speed reducing mechanism when the speed reducing mechanism works.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the vibrating screen for crushing brown fused alumina of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a top view of a screen plate in an embodiment of the vibrating screen for crushing brown fused alumina of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the screen drum comprises a screen drum 10, a discharge hole 11, a feed inlet 12, a feed hopper 13, a screen plate 14, a discharge hole 15, a motor 16, a rotating shaft 17, a driving belt wheel 18, a driven belt wheel 19, a belt 20, a box body 21, a cam 22, a lug 23, a sliding groove 24 and a baffle 25.

Example (b):

substantially as shown in figures 1 and 2 of the accompanying drawings: brown alumina smashes and uses shale shaker, including frame and sieve bucket 10, sieve bucket 10 fixes in the frame, the bottom of sieve bucket 10 is big-end-up's toper form, bottom at sieve bucket 10 is equipped with discharge gate 11, be equipped with feed inlet 12 at sieve bucket 10 top, wherein feed inlet 12 department is fixed with feeder hopper 13, be equipped with the sieve 14 that the slope set up in sieve bucket 10, sieve 14 is rectangular plate in this embodiment, and the cross section of sieve bucket 10 is also rectangle, set up the sieve mesh of a plurality of equipartitions on sieve 14, wherein the high-end of sieve 14 is close to feed inlet 12 and sets up, the low side both sides of sieve 14 are equipped with the installation piece, it is connected with the round pin axle to rotate between installation piece and the sieve bucket 10, discharge port 15 has been seted up on sieve bucket 10 lateral walls, discharge port 15 is close to the low side of sieve 14.

In this embodiment, a driving unit located at the high end of the sieve plate 14 is disposed on the sieve barrel 10, the driving unit includes a motor 16, a rotating shaft 17, a speed reducing mechanism and a vibrating mechanism, the rotating shaft 17 is horizontally and rotatably connected to the side wall of the sieve barrel 10, the speed reducing mechanism includes a driving pulley 18, a driven pulley 19 and a belt 20, the driving pulley 18 is fixed to an output shaft of the motor 16, the driven pulley 19 is fixed to the rotating shaft 17, the belt 20 is connected to the driving pulley 18 and the driven pulley 19, the diameter ratio of the driving pulley 18 to the driven pulley 19 is 1:3 in this embodiment, a box 21 is disposed outside the speed reducing mechanism, the driving pulley 18 and the driven pulley 19 are both located in the box 21, the box 21 is connected to the side wall of the sieve barrel 10 through bolts, and the box 21 is located outside the sieve barrel 10.

The vibrating mechanism comprises a cam 22 and a lug 23, and is shown in a combined figure 2, wherein the cam 22 is fixed on the rotating shaft 17, a sliding groove 24 is formed along the peripheral contour line of the cam 22, one end of the lug 23 is hinged to the bottom of the high end of the sieve plate 14, and the other end of the lug 23 is connected in the sliding groove 24 in a sliding manner. Thus, during the rotation of the cam 22 driven by the rotating shaft 17, the cam 22 and the projection 23 cooperate to make the high end of the sieve plate 14 swing up and down relative to the low end.

In order to prevent the brown corundum from falling from the side edges of the sieve plate 14 during the vibration process in the present embodiment, referring to fig. 3, baffles 25 are further provided on both side edges of the sieve plate 14, and in addition, in order to enable the large granular brown corundum after being sieved to better discharge from the sieve barrel 10, the lower end of the sieve plate 14 is set to have a gradually reduced width, and the minimum width of the sieve plate 14 is not less than the length of the discharge port 15.

In specific implementation, brown corundum to be screened is sent into the screen barrel 10 from the feeding hopper 13, the motor 16 is started to work, torque of the motor 16 is transmitted to the rotating shaft 17 through the speed reducing mechanism, so that the rotating shaft 17 rotates at a low speed, the rotating shaft 17 drives the cam 22 to rotate while rotating, the cam 22 is matched with the lug 23, so that the high end of the screen plate 14 swings up and down relative to the low end, the brown corundum entering the screen barrel 10 moves towards the low end under the swinging action of the screen plate 14 and the action of self gravity, fine particles are discharged from the discharge port 11 through the screen plate 14, and coarse particles move to the low end of the screen plate 14 and are discharged from the discharge port 15, and then enter the next working procedure. This completes the primary screening of the brown corundum after crushing.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Brown alumina smashes and uses shale shaker, including frame and sieve bucket, the sieve bucket is fixed in the frame, and the bottom of sieve bucket is equipped with the discharge gate, and the top is equipped with feed inlet, its characterized in that: the sieve barrel is internally provided with a sieve plate which is obliquely arranged, the low end of the sieve plate is hinged to the sieve barrel, the sieve barrel is provided with a driving unit which is positioned at the high end of the sieve plate, the driving unit drives the high end of the sieve plate to swing up and down relative to the low end, the sieve barrel is provided with a discharge port which is positioned at the low end of the sieve plate, the sieve plate is a rectangular plate, and two sides of the sieve plate are fixedly provided with baffle plates.

2. The vibratory screen for crushing brown fused alumina according to claim 1, wherein: and a feed hopper is fixed at the feed inlet.

3. The vibratory screen for crushing brown fused alumina according to claim 1, wherein: the width of one side of the sieve plate close to the discharge port is gradually reduced, and the minimum width on the sieve plate is not less than the length of the discharge port.

4. The vibratory screen for crushing brown fused alumina according to claim 1, wherein: the driving unit comprises a motor, a rotating shaft, a speed reducing mechanism and a vibrating mechanism, the rotating shaft is horizontally connected to the side wall of the sieve barrel in a rotating mode, the speed reducing mechanism is connected with an output shaft and a rotating shaft of the motor, and the vibrating mechanism is connected with the rotating shaft and the sieve plate.

5. The vibratory screen for crushing brown fused alumina according to claim 4, wherein: the speed reducing mechanism comprises a driving belt wheel, a driven belt wheel and a belt, wherein the driving belt wheel is fixed on an output shaft of the motor, the driven belt wheel is fixed on the rotating shaft, the belt is connected with the driving belt wheel and the driven belt wheel, and the diameter ratio of the driving belt wheel to the driven belt wheel is 1: 3.

6. The vibratory screen for crushing brown fused alumina according to claim 5, wherein: the vibrating mechanism comprises a cam and a convex block, the cam is fixed on the rotating shaft, a sliding groove is formed in the peripheral contour line of the cam, one end of the convex block is hinged to the high-end bottom of the sieve plate, and the other end of the convex block is connected in the sliding groove in a sliding mode.

7. The vibratory screen for crushing brown fused alumina according to claim 6, wherein: the outside of reduction gears is equipped with the box, and driving pulley and driven pulley all are located the box, and the box passes through bolted connection on the lateral wall of sieve bucket, and the box is located the outside of sieve bucket.