CN217911419U - Screening device - Google Patents

Abstract

The utility model discloses a screening device, which comprises a frame, a driving device and a drum screen, wherein the frame is provided with the driving device and the drum screen, the driving device is used for driving the drum screen to rotate, the drum screen comprises a drum screen body, the drum screen body is provided with a filter screen, the inner wall of the filter screen is provided with a group of conveying blades along the radial direction, the outer circumferential surface of the filter screen is provided with an annular fixing ring, the annular fixing ring is a group and is distributed along the radial direction of the filter screen, the inner circumferential surface of the filter screen is provided with a group of convex blocks, the convex blocks are connected with the annular fixing ring, the lower part of the frame is provided with a slurry discharge hopper, the rear part of the drum screen is also provided with an aggregate discharge port, the filter screen is internally provided with a group of high-pressure water guns, the high-pressure water guns are connected with the drum screen body, the frame is also provided with a bracket, the bracket is provided with a feeding device, and the discharge end of the feeding device is connected with the feed end of the drum screen; generally, the utility model discloses utilize the drive effect of lug, reach the purpose of separation aggregate and mud, improved separation efficiency and quality.

Description

Screening device

Technical Field

The utility model relates to an aggregate separation technical field, in particular to screening plant.

Background

In the production industries of aggregate mining, building construction and the like in China, collected or purchased aggregates are required to be treated and separated to ensure the engineering performance of the aggregates; the existing treatment mode is to adopt devices such as a vibrating screen, and even if the devices such as the vibrating screen are used, because the engineering quantity is large, aggregates are accumulated in a screening device, the separation effect is still not ideal, the quality of the aggregates is influenced, the engineering quality is further influenced, and the separation site has more dust, so that the health of constructors is threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve screening plant of aggregate separation efficiency and quality to solve the problem that above-mentioned prior art exists.

In order to realize the purpose, the utility model adopts the following technical scheme:

the screening device comprises a rack, a driving device and a drum screen, wherein the rack is provided with the driving device and the drum screen, the driving device is used for driving the drum screen to rotate, the drum screen comprises a drum screen body, a filter screen is arranged on the drum screen body, a group of conveying blades are arranged on the inner wall of the filter screen along the radial direction, an annular fixing ring is arranged on the outer circumferential surface of the filter screen, the annular fixing ring is in a group and is distributed along the radial direction of the filter screen, a group of convex blocks are arranged on the inner circumferential surface of the filter screen and connected with the annular fixing ring, a slurry discharging hopper is arranged on the lower portion of the rack and matched with a discharging port of the drum screen for use, an aggregate discharging port is further arranged behind the drum screen, a group of high-pressure water guns is arranged inside the filter screen and connected with the drum screen body, a support is further arranged on the rack, a feeding device is arranged on the support, and the discharging end of the feeding device is connected with the feeding end of the drum screen.

The drum screen is obliquely arranged relative to the rack.

The driving device comprises a driving gear and a motor used for driving the driving gear, the driving device is a group, and a gear ring matched with the driving gear for use is arranged on the outer wall of the drum screen body.

The conveying blade adopts a helical blade.

A plurality of sieve pores are uniformly arranged on the circumferential surface of the filter screen.

The annular fixing ring is uniformly distributed along the radial direction of the filter screen.

The bumps are uniformly distributed on the inner circumferential surface of the filter screen.

The lug cross-section is fan-shaped, and the cambered surface with the filter screen inner wall contact.

The length of the convex block is the same as that of the filter screen.

The annular fixing ring, the rotary screen and the lug are connected through bolts.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the drum screen is obliquely arranged relative to the frame, so that the screening effect is better by utilizing the inclination angle;

2. the conveying blade of the utility model adopts the helical blade, which can better convey the aggregate;

3. the utility model discloses evenly set up a plurality of sieve meshes on the screen cloth periphery, can satisfy the screening demand of multiple particle size, on the one hand can improve screening efficiency, and the commonality is better simultaneously, and it is very convenient to use;

4. the cross section of the lug of the utility model is fan-shaped, and the cambered surface is contacted with the inner wall of the screen, so that on one hand, the tip of the lug can be utilized to disperse materials, and on the other hand, the pushing effect of the lug can be utilized to achieve the purpose of reducing material accumulation;

5. the utility model forcibly rotates the mud stone in the separation process through the lug which is attached to the inner wall of the drum screen and has a certain shape, so that mud and aggregate are dispersed on the filter screen more uniformly; secondly, the mud and the aggregate are washed by using a high-pressure water gun on the upper part of the drum screen, so that the dust is reduced, and meanwhile, the mud is conveniently discharged into a mud discharging hopper from the lower part; generally, the utility model discloses utilize the drive effect of lug, reach the purpose of separation aggregate and mud, improved separation efficiency and quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged schematic view of the junction indicated at A in FIG. 2;

FIG. 4 is a schematic sectional view of the drum of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1.

Wherein: 1. the device comprises a rack, 2, a driving device, 3, a rotary screen body, 4, a slurry discharge hopper, 5, a filter screen, 6, an annular fixing ring, 7, a driving gear, 8, a bump, 9, an aggregate discharge port, 10, a high-pressure water gun, 11, a feeding device, 12 and a support.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other, and the fixed connection can be welding, bonding and the like. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a screening device includes a frame 1, a driving device 2, and a drum screen, where the frame 1 is provided with the driving device 2 and the drum screen, the driving device 2 is used to drive the drum screen to rotate, the drum screen includes a drum screen body 3, a filter screen 5 is provided on the drum screen body 3, a group of conveying blades is provided on an inner wall of the filter screen 5 along a radial direction, and the conveying blades are helical blades, so that aggregate can be better conveyed and conveyed to an aggregate discharge port 9; be equipped with annular retainer plate 6 on the outer periphery of filter screen 5, annular retainer plate 6 is a set of and follows the radial distribution of filter screen 5, be equipped with a set of lug 8 on the circumference within the filter screen 5, lug 8 links to each other with annular retainer plate 6, 1 lower part in the frame is equipped with mud play hopper 4, mud goes out the discharge gate of hopper 4 cooperation drum sieve and uses, the rear of drum sieve still is equipped with aggregate discharge gate 9, filter screen 5 is inside to be equipped with a set of high-pressure squirt 10, high-pressure squirt 10 links to each other with drum sieve body 3, still be equipped with support 12 in the frame 1, be equipped with feed arrangement 11 on the support 12, feed arrangement 11's discharge end links to each other with the feed end of drum sieve.

The relative frame 1 slope of drum sieve sets up, and inclination is not more than 30 degrees, and the structure that adopts the slope can be at the in-process that utilizes high-pressure squirt 10 to wash, and mud backward flow is protruding to come out the transport with the stone, carries the separation repeatedly, effectual improvement separation quality.

Drive arrangement 2 includes driving gear 7 and is used for driving the motor of driving gear 7, and drive arrangement 2 is a set of, is equipped with the ring gear that uses with driving gear 7 cooperation on the outer wall of trommel body 3, through drive arrangement 2, driving gear 7 and ring gear, makes drive arrangement 2 can drive the trommel rotation. Evenly set up a plurality of sieve meshes on the 5 periphery of filter screen, can satisfy the screening demand of multiple particle diameter, on the one hand, can improve screening efficiency, and the commonality is better, high durability and convenient use, annular retainer plate 6 is along the radial evenly distributed of filter screen 5, lug 8 evenly distributed is on the periphery in filter screen 5, lug 8 cross-section is fan-shaped, and the contact of cambered surface and 5 inner walls of filter screen, on the one hand can utilize lug 8's pointed end to disperse the material, on the other hand can utilize lug 8's impetus, reach and reduce the accumulational purpose of material, lug 8 length is the same with 5 length of filter screen, the area of contact of lug 8 and material that increases that can be as big as possible, improve screening efficiency, annular retainer plate 6, rotary screen 3 and lug 8 pass through bolted connection, be convenient for the dismantlement of lug 8.

In the embodiment of the utility model, the lug 8 and the filter screen 5 are arranged on the inner wall of the drum screen, the drum screen is driven by the driving device 2 to rotate in the separation process, the pug forms mud under the action of the high-pressure water gun 10, and the pug and the aggregate are forced to rotate through the lug 8; along with the continuous rotation of equipment, the aggregate is arranged to the aggregate discharge gate along the drum sieve, and mud is retained in mud play hopper through the action of gravity, has improved the efficiency and the quality of aggregate separation.

In addition, for satisfying the work needs, the utility model discloses can also change lugs of different shapes, size to reach the best separation effect.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a screening plant, includes frame, drive arrangement, drum sieve, its characterized in that: the rotary screen comprises a rack, and is characterized in that the rack is provided with a driving device and a rotary screen, the driving device is used for driving the rotary screen to rotate, the rotary screen comprises a rotary screen body, a filter screen is arranged on the rotary screen body, a group of conveying blades are arranged on the inner wall of the filter screen along the radial direction, an annular fixing ring is arranged on the outer circumferential surface of the filter screen, the annular fixing ring is a group and is distributed along the radial direction of the filter screen, a group of convex blocks are arranged on the inner circumferential surface of the filter screen, the convex blocks are connected with the annular fixing ring, the lower part of the rack is provided with a slurry discharging hopper, the slurry discharging hopper is matched with a discharging port of the rotary screen for use, an aggregate discharging port is further arranged behind the rotary screen, a group of high-pressure water guns is arranged inside the filter screen, the high-pressure water guns are connected with the rotary screen body, a support is further arranged on the rack, a feeding device is arranged on the support, and the discharging end of the feeding device is connected with the feeding end of the rotary screen.

2. A screening device according to claim 1, wherein: the drum screen is obliquely arranged relative to the rack.

3. A screening device according to claim 1, wherein: the driving device comprises a driving gear and a motor used for driving the driving gear, the driving device is a group, and a gear ring matched with the driving gear for use is arranged on the outer wall of the drum screen body.

4. A screening device according to claim 1, wherein: the conveying blade adopts a helical blade.

5. A screening device according to claim 1, wherein: a plurality of sieve pores are uniformly arranged on the circumferential surface of the filter screen.

6. A screening device according to claim 1, wherein: the annular fixing ring is uniformly distributed along the radial direction of the filter screen.

7. A screening device according to claim 1, wherein: the bumps are uniformly distributed on the inner circumferential surface of the filter screen.

8. A screening device according to claim 1, wherein: the section of the convex block is fan-shaped, and the cambered surface is contacted with the inner wall of the filter screen.

9. A screening device according to claim 1, wherein: the length of the lug is the same as that of the filter screen.

10. A screening device according to claim 1, wherein: the annular fixing ring, the rotary screen and the lug are connected through bolts.

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