CN219766007U - Efficient thick and thin screening plant - Google Patents

Abstract

The utility model relates to the technical field of screening devices, in particular to a high-efficiency coarse and fine screening device which comprises a shell, wherein two sides of the shell are respectively provided with a first fixing hole, the interiors of the two first fixing holes are respectively and rotatably connected with a rotating shaft, and one side of each rotating shaft is respectively and fixedly connected with a cam. The utility model has the advantages that: this coarse and fine screening plant is when screening net on the carborundum miropowder jam, start the second motor, the output shaft of second motor rotates and drives two-way lead screw and rotate, and then through the effect of first connecting rod and second connecting rod, make down on the screening net reciprocate, and then when screening net upwards moves down, drive the inserted bar and rise, the inserted bar inserts the inside of the sieve mesh that the screening net corresponds, thereby clear up the carborundum miropowder of sieve mesh inside, avoid carborundum miropowder to block up screening net, the sieve mesh of screening plant can be blocked by carborundum miropowder in the process of screening has been solved, carborundum miropowder screening efficiency's problem has been reduced.

Description

Efficient thick and thin screening plant

Technical Field

The utility model relates to the technical field of screening devices, in particular to a high-efficiency coarse and fine screening device.

Background

The silicon carbide micro powder is mainly used in the abrasive industry, in the subsequent use of the silicon carbide micro powder, special requirements are provided for the micro powder classification of the silicon carbide micro powder, strict requirements are provided for the particle size of the silicon carbide micro powder, and the particle sizes of silicon carbide micro powder are different in different use processes, so that the silicon carbide micro powder is required to be screened for multiple times after passing through a magnetic separator, thereby large particles and small particles in the micro powder are prevented from being mixed, the existing silicon carbide micro powder screening device is prevented from being blocked by the silicon carbide micro powder in the screening process, the screening efficiency of the screening device is affected, the blocked screening holes are required to be cleaned manually, the operation is inconvenient, and the screening efficiency of the silicon carbide micro powder is reduced.

In this regard, the utility model provides an efficient coarse and fine screening device, which is solved.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide an efficient coarse and fine screening device, which solves the problems mentioned in the background art and overcomes the disadvantages of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a high-efficiency coarse and fine screening device, which comprises a housing, wherein two sides of the housing are provided with a first fixing hole, two inner parts of the first fixing holes are respectively and rotatably connected with a rotating shaft, one sides of the two rotating shafts are respectively and fixedly connected with a cam, one sides of the two cams are respectively and fixedly connected with a first fixing column, one side of the housing is provided with a first motor, one side of an output shaft of the first motor is fixedly connected with one side of one rotating shaft, two outer surfaces of the first fixing columns are rotatably connected with rotating rods, one side of each rotating rod is rotatably connected with a connecting block, the top of each fixing block is fixedly connected with a sleeve column, an upper screening net is inserted into the housing, the top of each upper screening net is fixedly connected with a fixing cylinder, the inside of a fixed cylinder is inserted into the outer surface of a sleeve column, a plurality of slotted holes are formed in the inner wall of a shell, springs are fixedly connected to the inner parts of the slotted holes, the tops of the springs are fixedly connected with the bottom of an upper screening net, two second fixed holes are formed in two sides of the shell, a bidirectional screw rod is inserted into the second fixed holes, a sliding rod is fixedly connected to the inner parts of the second fixed holes, two first sliding blocks are connected to the outer surfaces of the bidirectional screw rod in a threaded manner, a first connecting rod is rotatably connected to the tops of the first sliding blocks, two second sliding blocks are slidably connected to the outer surfaces of the sliding rod, a second connecting rod is rotatably connected to the tops of the second sliding blocks, a lower screening net is inserted into the inner part of the shell, and the bottom of the lower screening net is respectively connected with the two first connecting rods, one side of second connecting rod rotates to be connected, the top fixedly connected with of screening net down is inserted the pole, one side of shell is provided with the second motor, one side of second motor and one side fixed connection of two-way lead screw, the bottom fixedly connected with discharging pipe of shell.

By adopting the technical scheme, the utility model has the function of cleaning the screen, avoids that the sieve holes of the screening device are blocked by the silicon carbide micro powder in the screening process, and reduces the problem of the screening efficiency of the silicon carbide micro powder.

By any of the above schemes, preferably, the outer surface of the output shaft of the first motor is inserted into one of the first fixing holes, and one side of the first motor is fixedly connected with one side of the housing.

By any of the above schemes, preferably, the outer surface of the upper screening net is fixedly connected with a plurality of moving blocks, and the outer surfaces of the plurality of moving blocks are respectively and slidably connected inside the corresponding slots.

In any of the above embodiments, it is preferable that the two second links and the two first links are symmetrically arranged.

By any of the above schemes, preferably, the outer surface of the output shaft of the second motor is inserted into one of the second fixing holes, and one side of the second motor is fixedly connected with one side of the housing.

By any of the above schemes, preferably, the bottom of the housing is fixedly connected with a plurality of support columns.

It is preferable in any of the above-described modes that the mesh diameter of the upper screen is larger than the mesh diameter of the lower screen.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the coarse and fine screening device pours silicon carbide micro powder into the interior of the shell, a first motor is started, an output shaft of the first motor rotates to drive two cams to rotate, the two cams rotate to drive a rotating rod to rotate, the rotating rod is rotationally connected with a fixed block, the rotating rod rotates to drive the fixed block to move, a sleeve column on the fixed block is inserted into the interior of a fixed cylinder on an upper screening net, the fixed block is further enabled to move up and down, the sleeve column is further enabled to prop up the fixed cylinder downwards, the upper screening net is further enabled to move up and down, screening of the silicon carbide micro powder is further achieved, because the mesh diameter of the upper screening net is larger than that of the lower screening net, the fine silicon carbide micro powder falls into the top of the screening net through the upper screening net, the coarse silicon carbide micro powder remains at the top of the upper screening net, coarse silicon carbide micro powder is taken out and collected through the top of the shell, fine silicon carbide micro powder is finally discharged from the discharge pipe through the screening net to be collected, the screening of the thickness of the silicon carbide micro powder is completed, when the silicon carbide micro powder blocks the upper screening net, the second motor is started, the output shaft of the second motor rotates to drive the bidirectional screw rod to rotate, the first sliding block is further enabled to move, the lower screening net is further enabled to move up and down through the functions of the first connecting rod and the second connecting rod, the inserting rod is driven to ascend when the lower screening net moves up, the inserting rod is inserted into the inside of a sieve hole corresponding to the upper screening net, thereby cleaning the silicon carbide micro powder in the sieve hole, avoiding the blocking of the upper screening net by the silicon carbide micro powder, solving the problems that the sieve hole of the screening device is blocked by the silicon carbide micro powder in the screening process, the blocked sieve hole needs manual cleaning, and is inconvenient to operate, the sieving efficiency of the silicon carbide micro powder is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is a schematic diagram of an explosive structure according to an embodiment of the present utility model.

In the figure: 1-shell, 101-supporting column, 2-rotating shaft, 3-cam, 4-first motor, 5-rotating rod, 6-connecting block, 601-sleeve column, 7-upper screening net, 701-fixed cylinder, the device comprises an 8-spring, a 9-bidirectional screw rod, a 10-sliding rod, an 11-first connecting rod, a 12-second connecting rod, a 13-lower screening net, a 14-inserting rod, a 15-second motor and a 16-discharging pipe.

Detailed Description

As shown in fig. 1 to 3, an efficient coarse-fine screening device comprises a housing 1, wherein both sides of the housing 1 are provided with a first fixing hole, the interiors of the two first fixing holes are respectively and rotatably connected with a rotating shaft 2, one sides of the two rotating shafts 2 are respectively and fixedly connected with a cam 3, one sides of the two cams 3 are respectively and fixedly connected with a first fixing column, one side of the housing 1 is provided with a first motor 4, one side of an output shaft of the first motor 4 is fixedly connected with one side of one rotating shaft 2, the outer surfaces of the two first fixing columns are rotatably connected with a rotating rod 5, one side of the rotating rod 5 is rotatably connected with a connecting block 6, the top of the fixing block 6 is fixedly connected with a sleeve 601, the interior of the housing 1 is inserted with an upper screening net 7, the top of the upper screening net 7 is fixedly connected with a fixing cylinder 701, the interior of the fixing cylinder 701 is inserted with the outer surface of the sleeve 601, the sleeve column 601 on the fixed block 6 is inserted into the fixed cylinder 701 on the upper screening net 7, so that the fixed block 6 moves up and down, the sleeve column 601 is driven to downwards prop against the fixed cylinder 701, so that the upper screening net 7 moves, the upper screening net 7 moves up and down, screening of silicon carbide micro powder is realized, a plurality of slotted holes are formed in the inner wall of the shell 1, springs 8 are fixedly connected to the inner parts of the two slotted holes, telescopic rods are arranged in the springs 8, the expansion and the contraction of the springs 8 are more stable and do not deflect through the telescopic rods, the upper screening net 7 can return automatically by utilizing the elasticity of the springs 8 through the springs 8, the tops of the two springs 8 are fixedly connected with the bottom of the upper screening net 7, two second fixing holes are formed in two sides of the shell 1, the inside of two second fixed orifices is pegged graft and is had two-way lead screw 9, wherein the inside fixedly connected with slide bar 10 of two second fixed orifices, the surface threaded connection of two-way lead screw 9 has two first sliders, the top of two first sliders is all rotated and is connected with a first connecting rod 11, the surface sliding connection of slide bar 10 has two second sliders, the top of two second sliders is all rotated and is connected with a second connecting rod 12, the inside grafting of shell 1 has lower screening net 13, the bottom of lower screening net 13 rotates with one side of two first connecting rods 11, second connecting rod 12 respectively and is connected, the top fixedly connected with a plurality of inserted bar 14 of lower screening net 13, one side of shell 1 is provided with second motor 15, one side of second motor 15 and one side fixedly connected with of two-way lead screw 9, the bottom fixedly connected with discharging pipe 16 of shell 1.

The surface of the output shaft of first motor 4 is pegged graft in the inside of one of them first fixed orifices, and one side of first motor 4 and one side fixed connection of shell 1 start first motor 4, and the output shaft of first motor 4 rotates and drives two cams 3 and rotate, and two cams 3 rotate and drive dwang 5 and rotate, and dwang 5 rotates with fixed block 6 to be connected, and then dwang 5 rotates and drives fixed block 6 and remove.

The surface fixedly connected with a plurality of movable block of last screening net 7, the surface of a plurality of movable block is sliding connection in the inside of the slotted hole that corresponds respectively, and the movable block through setting up removes in the inside of spout, and then makes the inside of going up screening net 7 at shell 1 remove, and the stability of removal is more.

The two second connecting rods 12 are symmetrically arranged with the two first connecting rods 11.

The surface of the output shaft of second motor 15 is pegged graft in the inside of one of them second fixed orifices, one side of second motor 15 and one side fixed connection of shell 1, start second motor 15, the output shaft rotation of second motor 15 drives two-way lead screw 9 and rotates, and then make first slider remove, through the effect of first connecting rod 11 and second connecting rod 12 that set up, and then make screening net 13 reciprocate down, and then when screening net 13 upwards moves down, drive inserted bar 14 and rise, inserted bar 14 inserts the inside of the sieve mesh that screening net 7 corresponds, thereby clear up the inside carborundum miropowder of sieve mesh, avoid carborundum miropowder to block up screening net 7, the output shaft clockwise rotation of second motor 15 drives inserted bar 14 and rises, the output shaft clockwise rotation of second motor 15 drives inserted bar 14 and descends.

A plurality of support columns 101 are fixedly connected to the bottom of the shell 1.

The sieve mesh diameter of the upper sieving net 7 is larger than that of the lower sieving net 13, and as the sieve mesh diameter of the upper sieving net 7 is larger than that of the lower sieving net 13, fine silicon carbide micro powder falls into the top of the sieving net 13 through the upper sieving net 7, coarse silicon carbide micro powder is left at the top of the upper sieving net 7, coarse silicon carbide micro powder is taken out and collected through the top of the shell 1, fine silicon carbide micro powder is finally discharged from the discharge pipe 16 through the sieving net 13 to be collected, and the coarse and fine sieving of the silicon carbide micro powder is completed.

An efficient coarse and fine screening device has the following working principle:

this coarse and fine screening plant pours silicon carbide miropowder into the inside of shell 1, start first motor 4, the output shaft rotation of first motor 4 drives two cams 3 and rotates, two cams 3 rotate and drive dwang 5 and rotate, dwang 5 and fixed block 6 rotate and be connected, and then dwang 5 rotate and drive fixed block 6 and remove, the cover post 601 on the fixed block 6 of setting is pegged graft in the inside of the fixed cylinder 701 on screening net 7, and then make fixed block 6 reciprocate, fixed block 6 reciprocates and then drive cover post 601 and push down fixed cylinder 701, and then make screening net 7 remove, go up screening net 7 reciprocates and then realize the screening to silicon carbide miropowder, because the sieve mesh diameter of last screening net 7 is greater than the sieve mesh diameter of screening net 13 down, and then fine silicon carbide miropowder falls into screening net 13's top through last screening net 7, coarse silicon carbide miropowder leaves at last screening net 7's top, coarse silicon carbide miropowder is taken out through the top of shell 1 and is collected, fine silicon carbide net 13 finally is discharged from discharging pipe 16 and is moved, and then drive the fixed cylinder 701 down, and then make the second is moved down the screen mesh 13 and is moved down, and then the second is inserted into the screen mesh 13 when the second is moved, and the second is moved down, and is correspondent to the second is moved down, and the screen mesh 13 is moved down, and the fine silicon carbide is inserted into the inside is moved, and is moved down, and is changed, and is 13.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

the coarse and fine screening device pours silicon carbide micro powder into the inside of the shell 1, the first motor 4 is started, the output shaft of the first motor 4 rotates to drive the two cams 3 to rotate, the two cams 3 rotate to drive the rotating rod 5 to rotate, the rotating rod 5 is rotationally connected with the fixed block 6, the rotating rod 5 rotates to drive the fixed block 6 to move, the fixed block 6 moves up and down through the socket post 601 arranged on the fixed block 6, the socket post 601 is driven to downwards prop up the fixed cylinder 701, the upper screening net 7 moves up and down to screen the silicon carbide micro powder, the diameter of the sieve holes of the upper screening net 7 is larger than that of the sieve holes of the lower screening net 13, the fine silicon carbide micro powder falls into the top of the screening net 13 through the upper screening net 7, coarse silicon carbide micro powder is left at the top of the upper screening net 7, coarse silicon carbide micro powder is taken out and collected through the top of the shell 1, fine silicon carbide micro powder is finally discharged from the discharging pipe 16 through the screening net 13 to be collected, the screening of the thickness of the silicon carbide micro powder is completed, when the upper screening net 7 is blocked by the silicon carbide micro powder, the second motor 15 is started, the output shaft of the second motor 15 rotates to drive the bidirectional screw rod 9 to rotate, the first sliding block is further moved, the lower screening net 13 is further moved up and down through the functions of the first connecting rod 11 and the second connecting rod 12, the inserting rod 14 is driven to ascend when the lower screening net 13 moves up, the inserting rod 14 is inserted into the inside of a sieve hole corresponding to the upper screening net 7, the silicon carbide micro powder in the sieve hole is cleaned, the upper screening net 7 is prevented from being blocked by the silicon carbide micro powder, the problem that the sieve hole of a screening device is blocked by the silicon carbide micro powder in the screening process is solved, the plugged sieve holes need to be cleaned manually, so that the operation is inconvenient, and the sieving efficiency of the silicon carbide micro powder is reduced.

Claims (7)

1. An efficient coarse and fine screening device, its characterized in that: including shell (1), a first fixed orifices has all been seted up to the both sides of shell (1), two the inside of first fixed orifices is all rotated and is connected with pivot (2), two the equal fixedly connected with cam (3) in one side of pivot (2), two the equal fixedly connected with first fixed column in one side of cam (3), one side of shell (1) is provided with first motor (4), one side of the output shaft of first motor (4) and one side fixed connection of one of them pivot (2), two the surface rotation of first fixed column is connected with dwang (5), one side rotation of dwang (5) is connected with connecting block (6), the top fixedly connected with sleeve (601) of connecting block (6), the inside grafting of shell (1) has an upper screening net (7), the top fixedly connected with fixed cylinder (701), the inside grafting of fixed cylinder (701) is in the surface of sleeve (601), the inner wall (1) of shell (4) is equipped with two wherein, two slotted holes (8) are seted up to two, two slotted holes (8) are connected with two in the inside of two, two slotted holes (8) are connected with two inside the fixed connection of slotted holes (8), wherein two inside fixedly connected with slide bar (10) of second fixed orifices, the surface threaded connection of two-way lead screw (9) has two first sliders, two the top of first slider is all rotated and is connected with a first connecting rod (11), the surface sliding connection of slide bar (10) has two second sliders, two the top of second slider is all rotated and is connected with a second connecting rod (12), peg graft in the inside of shell (1) has lower screening net (13), the bottom of screening net (13) respectively with one side swivelling joint of two first connecting rods (11), second connecting rod (12), the top fixedly connected with a plurality of inserted bar (14) down of screening net (13), one side of shell (1) is provided with second motor (15), one side of second motor (15) and one side fixedly connected with of two-way lead screw (9), the bottom fixedly connected with discharging pipe (16) of shell (1).

2. An efficient coarse and fine screening apparatus as recited in claim 1, wherein: the outer surface of the output shaft of the first motor (4) is inserted into one of the first fixing holes, and one side of the first motor (4) is fixedly connected with one side of the shell (1).

3. An efficient coarse and fine screening apparatus as claimed in claim 2, wherein: the outer surface of the upper screening net (7) is fixedly connected with a plurality of moving blocks, and the outer surfaces of the moving blocks are respectively and slidably connected to the interiors of corresponding slotted holes.

4. A high efficiency coarse and fine screening apparatus as claimed in claim 3, wherein: the two second connecting rods (12) and the two first connecting rods (11) are symmetrically arranged.

5. An efficient coarse and fine screening apparatus as recited in claim 4, wherein: the outer surface of the output shaft of the second motor (15) is inserted into one of the second fixing holes, and one side of the second motor (15) is fixedly connected with one side of the shell (1).

6. An efficient coarse and fine screening apparatus as recited in claim 5, wherein: the bottom of the shell (1) is fixedly connected with a plurality of support columns (101).

7. An efficient coarse and fine screening apparatus as recited in claim 5, wherein: the diameter of the screen holes of the upper screening net (7) is larger than that of the screen holes of the lower screening net (13).