CN222816906U - Machine-made sand screening and crushing device - Google Patents

Abstract

The utility model provides a machine-made sand screening and crushing device, and mainly relates to the technical field of machine-made sand processing. The utility model provides a mechanism sand screening breaker, includes the casing, and the fixed feeder hopper that sets up in casing top is close to the top and installs the crushing roller, and shells inner wall is close to the fixed boss that sets up of intermediate position, and the cooperation sets up screening net on the boss, and shells side is close to screening net top position and has seted up first discharge gate, and shells inner wall is close to first discharge gate fixed position and sets up the baffle, and shells inner wall bottom is fixed to set up driving motor, and driving motor drives screening net rotation through the pivot. The utility model has the advantages that the screening net is driven to rotate by the driving motor, the machine-made sand falling on the screening net moves outwards from the circle center under the action of centrifugal force, the machine-made sand falls off from the screen holes with different diameters and is then collected, the screening net vibrates by the high and low fall, the machine-made sand is prevented from being blocked on the screening net, and the crushing efficiency of the crusher is improved.

Description

Machine-made sand screening and crushing device

Technical Field

The utility model mainly relates to the technical field of machine-made sand processing, in particular to a machine-made sand screening and crushing device.

Background

The machine-made sand is sand processed by a sand making machine and other accessory equipment, so that the finished product is more regular, and the machine-made sand can be processed into sand with different rules and sizes according to different process requirements, and can meet daily requirements. During manufacture, sand and stone raw materials are required to be crushed, the conventional crushing equipment generally needs to perform vibration screening on crushed machine-made sand, in the prior art, the vibrating screen is installed in the horizontal direction, screening driving force is very large, energy consumption is high, and the vibrating motor has a vibrating effect on the machine-made sand flowing through the vibrating motor and can separate machine-made sand with different volumes, but the screening mesh is blocked due to overlarge thickness of the machine-made sand accumulation, and meanwhile, the machine-made sand with different sizes cannot be separated, so that the problem of poor machine-made sand separation quality is caused.

Disclosure of utility model

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

The utility model provides a mechanism sand screening breaker, includes the casing, the fixed feeder hopper that sets up in casing top, the inside crushing roller that installs near the top of casing, shells inner wall is close to the fixed boss that sets up in intermediate position, the cooperation sets up screening net on the boss, the casing side is close to screening net top position and has seted up first discharge gate, shells inner wall is close to first discharge gate fixed position and sets up the baffle, shells inner wall bottom is fixed to set up driving motor, driving motor drives screening net rotation through the pivot, the second discharge gate has been seted up to the bottom of the casing array.

The screening net bottom array sets up the gyro wheel, boss top array is fixed to be set up the lug, gyro wheel and lug top butt, the lug is right trapezoid setting, the inclined plane of lug is the arc setting.

The diameter of the sieve holes of the screening net is gradually enlarged from inside to outside, the screening net is in an arc-shaped arrangement, and the top of the screening net is abutted to the baffle.

The rotary shaft outer ring is close to the top array and fixedly provided with splines, spline grooves are formed in the screening net, and the splines are abutted to the inner walls of the spline grooves.

The guide hopper is fixedly arranged at the top of the inner wall of the shell, the discharge hopper is fixedly arranged at the outer ring of the shell close to the position of the first discharge hole, the guide plate is fixedly arranged at the bottom of the inner wall of the shell, the protective cover is fixedly arranged at the middle position of the bottom of the inner wall of the shell, the driving motor is positioned inside the protective cover, and the rotating shaft penetrates through the top of the protective cover.

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

The utility model has simple structure and convenient installation and use, the screening net is driven by the driving motor to rotate, the machine-made sand falling on the screening net moves outwards from the circle center under the action of centrifugal force, the machine-made sand falls off from the sieve holes with different diameters and is then collected, the crushing and screening effects are good, the screening net vibrates due to the high and low fall, the blockage of the machine-made sand on the screening net is reduced, and the crushing efficiency of the crusher is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

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

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

fig. 4 is a schematic view of the screen mesh structure of the present utility model.

The figures show that the number is 1, a shell, 2, a feed hopper, 3, a crushing roller, 4, a boss, 401, a lug, 5, a screening net, 501, a roller, 502, spline grooves, 6, a first discharge hole, 7, a baffle, 8, a driving motor, 9, a rotating shaft, 10, a second discharge hole, 11, a guide hopper, 12, a discharge hopper, 13, a guide plate, 14 and a protective cover.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

The utility model provides a mechanism sand screening breaker, includes casing 1, casing 1 top is fixed to be set up feeder hopper 2, casing 1 is inside to be close to the top and installs crushing roller 3, casing 1 inner wall is close to the fixed boss 4 that sets up in intermediate position, the cooperation sets up screening net 5 on the boss 4, casing 1 side is close to screening net 5 top position and has seted up first discharge gate 6, casing 1 inner wall is close to first discharge gate 6 fixed position and sets up baffle 7, casing 1 inner wall bottom is fixed to set up driving motor 8, driving motor 8 drives screening net 5 through pivot 9 and rotates, casing 1 bottom array has seted up second discharge gate 10, casing 1 bottom array is fixed to set up the support frame.

The screening net 5 bottom array sets up gyro wheel 501, the fixed lug 401 that sets up of boss 4 top array, gyro wheel 501 and lug 401 top butt, lug 401 is right trapezoid setting, the inclined plane of lug 401 is the arc setting, makes screening net 5 vibrations be favorable to reducing the sieve mesh and blocks up through the height fall, makes the grit evenly distributed on the screening net 5 simultaneously to improve screening effect, screening net 5 bottom and boss 4 bottom butt.

The sieve mesh diameter of screening net 5 expands from interior to exterior gradually, screening net 5 is the arc setting, screening net 5 top and baffle 7 butt, and when screening net 5 rotated, the grit that falls on it was outwards moved by the centre of a circle owing to the effect of centrifugal force, and the less grit of granule drops when passing through the sieve mesh that is less near the inner circle, and the grit that the granule is slightly big drops when passing through the sieve mesh that is near the outer lane, and the grit that the granule is great can't sieve is discharged through first discharge gate 6 under the guide of baffle 7, sieves again after the secondary breakage.

The outer ring of the rotating shaft 9 is close to the top array and fixedly provided with splines, the screening net 5 is provided with spline grooves 502, the splines are abutted against the inner walls of the spline grooves 502, and the screening net 5 can move radially along the rotating shaft 9 while rotating through the structural design.

The utility model discloses a sand and gravel discharging device, including casing 1, casing 1 inner wall top is fixed to set up guide hopper 11, casing 1 outer lane is close to first discharge gate 6 fixed setting play hopper 12, casing 1 inner wall bottom is fixed to set up deflector 13, is convenient for the grit unloading through this structural design, casing 1 inner wall bottom intermediate position is fixed to set up safety cover 14, driving motor 8 is located inside the safety cover 14, pivot 9 passes the safety cover 14 top.

When the device is used, sand and stone are poured into the feed hopper 2, the sand and stone are crushed into machine-made sand through the crushing rollers 3, then the machine-made sand falls on the screening net 5, the driving motor 8 is started to drive the screening net 5 to rotate, the machine-made sand moves outwards from the circle center under the action of centrifugal force, the machine-made sand with smaller particles falls down to collect after being screened by the screening net 5, the machine-made sand with larger particles moves to the edge of the screening net 5 and is discharged from the first discharge port 6 after being guided by the baffle 7, the sand and stone are screened after secondary crushing, the roller 501 at the bottom of the screening net 5 rolls along the boss 4, and the machine-made sand on the screening net 5 is evenly distributed through vibration generated after falling after the convex blocks 401, so that the filtering effect is improved.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.

Claims (3)

1. A machine-made sand screening and crushing device, comprising a shell (1), characterized in that: a feed hopper (2) is fixedly arranged on the top of the shell (1), a crushing roller (3) is installed near the top of the shell (1), a boss (4) is fixedly arranged near the middle position of the inner wall of the shell (1), a screening net (5) is arranged on the boss (4), a first discharge port (6) is opened on the side of the shell (1) near the top of the screening net (5), a baffle (7) is fixedly arranged on the inner wall of the shell (1) near the first discharge port (6), a driving motor (8) is fixedly arranged on the bottom of the inner wall of the shell (1), the driving motor (8) drives the screening net (5) to rotate through a rotating shaft (9), and a second discharge port (10) is opened in an array at the bottom of the shell (1); The bottom of the screening net (5) is provided with rollers (501) in an array, the top of the boss (4) is fixedly provided with convex blocks (401) in an array, the rollers (501) abut against the top of the convex blocks (401), the convex blocks (401) are arranged in a right-angle trapezoidal shape, and the inclined surface of the convex blocks (401) is arranged in an arc shape; The outer ring of the rotating shaft (9) is fixedly provided with a spline near the top array, and the screening net (5) is provided with a spline groove (502), and the spline abuts against the inner wall of the spline groove (502). 2. A machine-made sand screening and crushing device according to claim 1, characterized in that: the diameter of the sieve holes of the screening net (5) gradually increases from the inside to the outside, the screening net (5) is arranged in an arc shape, and the top of the screening net (5) abuts against the baffle (7). 3. A machine-made sand screening and crushing device according to claim 1, characterized in that: a guide bucket (11) is fixedly arranged on the top of the inner wall of the shell (1), a discharge hopper (12) is fixedly arranged on the outer ring of the shell (1) near the first discharge port (6), a guide plate (13) is fixedly arranged on the bottom of the inner wall of the shell (1), a protective cover (14) is fixedly arranged in the middle position of the bottom of the inner wall of the shell (1), the drive motor (8) is located inside the protective cover (14), and the rotating shaft (9) passes through the top of the protective cover (14).