Novel screening device

Abstract

The utility model discloses a novel screening device which comprises a bearing bin, a crushing bin and a screening unit, and is characterized in that the bearing bin is used for mainly supporting and collecting screened materials, and the materials are crushed through a crushing roller; through the upper opening and the lower opening of the crushing bin, materials enter the crushing bin from the interior of the screening unit to be crushed, the crushed materials are discharged into the screening unit to be screened, the screening unit is driven to rotate through the rotating motor, and therefore the materials which are not screened in the screening unit are driven to enter the crushing bin; materials in the screening unit can be prevented from leaking from other places through the arc-shaped side plates, external materials are fed into the crushing bin through the feeding port, the annular screen is driven to rotate through the front baffle ring and the rear baffle ring, and the materials are screened through the annular screen and fall into the bearing bin.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a novel screening device. Background Art

[0002] A screening device is a device that can perform screening operations on materials. It has very wide applications in fields such as construction site construction and mine exploitation. It can screen materials of different volumes and can screen out the required part of the materials according to needs, facilitating the progress of related work.

[0003] At present, after the screening of the screening device is completed, the materials that have not been screened out need to be broken again and then screened again. It is necessary to manually transfer the materials between the screening device and the crushing device, which is very troublesome. Therefore, a novel screening device is needed to solve the above problems. Summary of the Utility Model

[0004] In view of the problems existing in the prior art, the utility model discloses a novel screening device. The technical solution adopted is that it includes a loading bin, a crushing bin and a screening unit. The loading bin is in a funnel-shaped structure, and a rotating motor is arranged at the rear of the loading bin; the crushing bin is in a structure with upper and lower openings, and the crushing bin is suspended in the loading bin through a support frame. A crushing roller is arranged inside the crushing bin. A crushing roller motor is arranged on the front side surface of the crushing bin, and the output shaft of the crushing roller motor is connected to the crushing roller. Arc-shaped side plates are arranged on the left and right side surfaces of the crushing bin. A feeding port is arranged on the front side surface of the crushing bin, and the feeding port is located above the crushing roller; the screening unit includes a front retaining ring, an annular screen and a rear retaining ring. The annular screen is arranged between the front retaining ring and the rear retaining ring and is located on the outer side edges of the front retaining ring and the rear retaining ring. The front retaining ring and the rear retaining ring are respectively rotatably sleeved on the front and rear sides of the crushing bin. The internal space of the screening unit is connected to the inside of the loading bin through the upper and lower openings of the loading bin, and the remaining space is enclosed by the arc-shaped side plates. The rear retaining ring is connected to the output shaft of the rotating motor through a connecting frame. The loading bin is used for mainly supporting and collecting the screened materials, the crushing roller is used for crushing the materials, the upper and lower openings of the crushing bin are used for respectively entering the materials from the inside of the screening unit into the crushing bin for crushing and discharging the crushed materials into the screening unit for screening, the rotating motor is used for driving the screening unit to rotate, so as to drive the materials that have not been screened inside it into the crushing bin, the arc-shaped side plates can prevent the materials inside the screening unit from leaking from other places, the feeding port is used for putting external materials into the crushing bin, the front retaining ring and the rear retaining ring drive the annular screen to rotate, and the annular screen is used for screening the materials so that they fall into the loading bin.

[0005] As a preferred technical solution of a novel screening device of the present utility model, a discharge port is provided at the lower end of the loading bin, and the loading bin is supported by legs. The screened materials are discharged through the discharge port, and the loading bin is lifted by the legs to facilitate the discharge of materials.

[0006] As a preferred technical solution of a novel screening device of the present utility model, a guiding hopper with a front-high and rear-low inclined shape is provided in front of the feeding port. Through the inclined guiding hopper, it is possible to prevent the materials inside the screening unit from being discharged from the feeding port.

[0007] As a preferred technical solution of a novel screening device of the present utility model, lifting plates are provided on the inner side surface of the annular screen. Through the lifting plates, it is convenient to drive and lift the materials inside the annular screen.

[0008] As a preferred technical solution of a novel screening device of the present utility model, connecting rings are respectively provided on the front and rear sides of the crushing bin. Slideways are provided on the outer side surfaces of the connecting rings, and sliders are provided on the inner side surfaces of the front retaining ring and the rear retaining ring. The sliders are slidably arranged in the slideways of the connecting rings.

[0009] As a preferred technical solution of a novel screening device of the present utility model, the front retaining ring and the rear retaining ring are connected to the annular screen by bolts. Between the front retaining ring, the rear retaining ring and the annular screen connected by bolts, it is convenient to disassemble and install on the crushing bin.

[0010] The beneficial effects of the present utility model: The present utility model mainly supports and collects the screened materials through the loading bin, crushes the materials through the crushing rollers, respectively enters the materials from the inside of the screening unit into the crushing bin for crushing and discharges the crushed materials into the screening unit for screening through the upper and lower openings of the crushing bin, drives the screening unit to rotate through the rotating motor, so as to drive the unscreened materials inside it into the crushing bin, prevents the materials inside the screening unit from leaking from other places through the arc-shaped side plates, inputs the external materials into the crushing bin through the feeding port, drives the annular screen to rotate through the front retaining ring and the rear retaining ring, screens the materials through the annular screen, makes them fall into the loading bin, discharges the screened materials through the discharge port, lifts the loading bin by the legs to facilitate the discharge of materials, prevents the materials inside the screening unit from being discharged from the feeding port through the inclined guiding hopper, is convenient to drive and lift the materials inside the annular screen through the lifting plates, and is convenient to disassemble and install on the crushing bin between the front retaining ring, the rear retaining ring and the annular screen connected by bolts. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the present utility model;

[0012] Figure 2Schematic diagram of the rear structure of the present utility model;

[0013] Figure 3 Schematic diagram of the loading bin structure of the present utility model;

[0014] Figure 4 Schematic diagram of the crushing bin structure of the present utility model;

[0015] Figure 5 Schematic diagram of the rear structure of the crushing bin of the present utility model;

[0016] Figure 6 Schematic diagram of the screening unit structure of the present utility model;

[0017] Figure 7 Cross-sectional view of the screening unit of the present utility model.

[0018] In the figure: 1 - loading bin, 101 - rotating motor, 102 - discharge port, 103 - support leg, 2 - crushing bin, 201 - crushing roller, 202 - crushing roller motor, 203 - support frame, 204 - feeding port, 205 - connecting ring, 206 - arc-shaped side plate, 3 - screening unit, 31 - front retaining ring, 32 - annular screen, 33 - rear retaining ring, 301 - connecting frame, 302 - lifting plate, 303 - slider. Detailed implementation manners

[0019] Example 1

[0020] As Figures 1 to 7As shown in the figure, the utility model discloses a novel screening device. The adopted technical solution is as follows: it includes a loading bin 1, a crushing bin 2 and a screening unit 3. The loading bin 1 is in a funnel-shaped structure, and a rotating motor 101 is arranged at the rear of the loading bin 1; the crushing bin 2 is in a structure with openings at both the upper and lower ends, and the crushing bin 2 is suspended in the loading bin 1 through a support frame 203. A crushing roller 201 is arranged inside the crushing bin 2, a crushing roller motor 202 is arranged on the front side of the crushing bin 2, and the output shaft of the crushing roller motor 202 is connected to the crushing roller 201. Arc-shaped side plates 206 are arranged on the left and right sides of the crushing bin 2, and a feeding port 204 is arranged on the front side of the crushing bin 2. The feeding port 204 is located above the crushing roller 201. A discharge port 102 is arranged at the lower end of the loading bin 1, and the loading bin 1 is supported by support legs 103. The screened materials are discharged through the discharge port 102, and the loading bin 1 is lifted by the support legs 103 to facilitate the discharge of materials. A guiding hopper with a front-high and rear-low inclination is arranged in front of the feeding port 204. Through the inclined guiding hopper, it can prevent the materials inside the screening unit 3 from being discharged from the feeding port 204; the screening unit 3 includes a front retaining ring 31, an annular screen 32 and a rear retaining ring 33. The annular screen 32 is arranged between the front retaining ring 31 and the rear retaining ring 33 and is located on the outer side edges of the front retaining ring 31 and the rear retaining ring 33. The front retaining ring 31 and the rear retaining ring 33 are respectively rotatably sleeved on the front and rear sides of the crushing bin 2. The internal space of the screening unit 3 is connected to the inside of the loading bin 1 through the upper and lower openings of the loading bin 1, and the rest of the space is enclosed by the arc-shaped side plates 206. The rear retaining ring 33 is connected to the output shaft of the rotating motor 101 through a connecting frame 301. Lifting plates 302 are arranged on the inner side surface of the annular screen 32. Through the lifting plates 302, it is convenient to drive and lift the materials inside the annular screen 32. Connecting rings 205 are respectively arranged on the front and rear sides of the crushing bin 2. Slideways are arranged on the outer side surfaces of the connecting rings 205. Sliders 303 are arranged on the inner side surfaces of the front retaining ring 31 and the rear retaining ring 33. The sliders 303 are slidably arranged in the slideways of the connecting rings 205. The front retaining ring 31, the rear retaining ring 33 and the annular screen 32 are connected by bolts. Between the front retaining ring 31, the rear retaining ring 33 and the annular screen 32 connected by bolts, it is convenient to disassemble and install on the crushing bin 2. The main support and collection of the screened materials are carried out through the loading bin 1. The materials are crushed by the crushing roller 201. The materials enter the crushing bin 2 from inside the screening unit 3 for crushing through the upper and lower openings of the crushing bin 2, and the crushed materials are discharged into the screening unit 3 for screening. The screening unit 2 is driven to rotate by the rotating motor 101, so as to drive the un-screened materials inside it into the crushing bin 2. Through the arc-shaped side plates 206, it can prevent the materials inside the screening unit 2 from leaking from other places. External materials are put into the crushing bin 2 through the feeding port 204. The annular screen 32 is driven to rotate by the front retaining ring 31 and the rear retaining ring 33. The materials are screened by the annular screen 32 and fall into the loading bin 1.

[0021] Working principle of the present utility model: Start the crushing roller motor 202, the crushing roller 201 runs, start the rotating motor 101, the screening unit 3 rotates on the crushing chamber 2, feed the material to be screened from the feeding port 204. After being crushed by the crushing roller 201, the material enters the screening unit 3. The suitable material drops from the annular screen 32 into the bearing bin 1, and then is discharged from the discharge port 102. The material that is not screened out is pushed by the lifting plate 302 to reach above the crushing chamber 2, enters the crushing chamber 2 from the opening above the crushing chamber 2, and continues to be crushed by the crushing roller 201. Subsequently, the above process is repeated until it is completely screened.

[0022] The circuit connection involved in the present utility model is a conventional means adopted by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, belonging to the widely used prior art.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] The components not described in detail in this article are prior art.

[0026] Although the specific embodiments of the present utility model have been described in detail above, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present utility model, and modifications or variations that do not involve creative labor are still within the protection scope of the present utility model.

Claims

1. A new type of screening device, characterized in that, It includes a loading bin (1), a crushing bin (2) and a screening unit (3). The loading bin (1) is of a funnel-shaped structure, and a rotating motor (101) is arranged at the rear of the loading bin (1); the crushing bin (2) is of a structure with openings at both the top and bottom. The crushing bin (2) is suspended in the loading bin (1) through a support frame (203). A crushing roller (201) is arranged inside the crushing bin (2). A crushing roller motor (202) is arranged on the front side surface of the crushing bin (2). The output shaft of the crushing roller motor (202) is connected to the crushing roller (201). Arc-shaped side plates (206) are arranged on the left and right side surfaces of the crushing bin (2). A feeding port (204) is arranged on the front side surface of the crushing bin (2), and the feeding port (204) is located above the crushing roller (201); the screening unit (3) includes a front retaining ring (31), an annular screen (32) and a rear retaining ring (33). The annular screen (32) is arranged between the front retaining ring (31) and the rear retaining ring (33) and is located on the outer side edges of the front retaining ring (31) and the rear retaining ring (33). The front retaining ring (31) and the rear retaining ring (33) are respectively rotatably sleeved on the front and rear sides of the crushing bin (2). The internal space of the screening unit (3) is communicated with the inside of the loading bin (1) through the upper and lower openings of the loading bin (1), and the rest of the space is enclosed by the arc-shaped side plates (206). The rear retaining ring (33) is connected to the output shaft of the rotating motor (101) through a connecting frame (301).

2. A novel screening device according to claim 1, characterized in that: A discharge port (102) is arranged at the lower end of the loading bin (1), and the loading bin (1) is supported by legs (103).

3. A novel screening device according to claim 1, characterized in that: A guiding hopper with a front-high-and-rear-low inclination is arranged in front of the feeding port (204).

4. A novel screening device according to claim 1, characterized in that: Lifting plates (302) are arranged on the inner side surface of the annular screen (32).

5. A novel screening device according to claim 1, characterized in that: Connecting rings (205) are respectively arranged on the front and rear sides of the crushing bin (2). Sliding grooves are formed on the outer side surfaces of the connecting rings (205). Sliders (303) are arranged on the inner side surfaces of the front retaining ring (31) and the rear retaining ring (33). The sliders (303) are slidably arranged in the sliding grooves of the connecting rings (205).

6. A novel screening device according to claim 1, characterized in that: The front retaining ring (31) and the rear retaining ring (33) are connected to the annular screen (32) through bolts.

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