Vibrating screen

Abstract

The utility model discloses a vibrating screen which comprises a machine frame, a vibrating assembly and a screen body, the vibrating assembly and the screen body are installed on the machine frame, the screen body is connected with the vibrating assembly, the screen body is provided with a feeding pipe, a slag discharging pipe and a discharging pipe, a screen mesh is arranged in the screen body and located between the slag discharging pipe and the discharging pipe, and a scraping plate used for scattering false clustered materials is arranged in the screen body. The scraper is located between the feeding pipe and the screen and arranged relative to the screen in a clearance mode. According to the utility model, after the gap between the scraper blade and the screen mesh is adjusted, false clustered materials can pass through the gap between the scraper blade and the screen mesh in the vibrating process of the screen mesh, so that the false clustered materials can be effectively scattered, the screening efficiency of the materials is further improved, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material screening technical field, concretely relates to a vibrating screen. BACKGROUND

[0002] At present, as the key equipment in battery material production, the vibrating screen can effectively control the product granularity and screen out the foreign matters in the material. Among them, the foreign matters and coarse particles are discharged from the discharge port of the screen body, and the normal material is discharged from the discharge port of the screen body.

[0003] However, the existing vibrating screen has the following deficiencies when working:

[0004] First, when screening the material with poor flowability, small particle size and large specific surface area, the material is false agglomeration on the screen surface, which leads to very low screening efficiency.

[0005] Second, during the screening material discharging process, the material directly falls in the middle of the screen due to gravity acceleration, which causes a certain impact force on the screen surface, thus affecting the service life of the screen. INVENTION CONTENTS

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a vibrating screen.

[0007] To solve the above technical problems, the technical scheme provided by the utility model is:

[0008] A vibrating screen, comprising a rack and a vibrating assembly and a screen body installed on the rack, the screen body is connected with the vibrating assembly, the screen body is provided with a feeding pipe, a discharge pipe and a discharge pipe, a screen is arranged between the discharge pipe and the discharge pipe in the screen body, a scraper is arranged in the screen body for dispersing false agglomeration material, the scraper is located between the feeding pipe and the screen and is arranged with a gap relative to the screen.

[0009] Further, the scraper extends from the axis of the screen body to the two inner side walls of the screen body.

[0010] Further, the scraper is a plurality of, and the plurality of scrapers are arranged in cross.

[0011] Further, the screen body is further provided with a support plate, the support plate is fixedly installed above the screen, and the scraper is installed on the support plate.

[0012] Further, the two ends of the support plate are fixedly connected with the inner side walls of the screen body.

[0013] Further, the scraper is installed on the support plate through fasteners.

[0014] Further, the screen body is provided with a pressing plate, and the scraper is pressed between the pressing plate and the supporting plate through the fastener.

[0015] Further, a coarse screen frame is arranged between the feeding pipe and the scraper in the screen body, and an inner diameter of screen holes of the coarse screen frame is larger than an inner diameter of screen holes of the screen.

[0016] Further, the coarse screen frame is supported and installed on the supporting plate.

[0017] Further, the coarse screen frame is a cylindrical structure with an opening facing the feeding pipe, and the bottom and the sidewall of the coarse screen frame are provided with screen holes.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a gap between the scraper and the screen is adjusted, and when the false agglomerated material passes through the gap between the scraper and the screen during the vibration of the screen, the false agglomerated material can be effectively dispersed, thereby improving the screening efficiency of the material and the overall production efficiency.

[0020] Further, the coarse screen frame is arranged above the screen, so that the material falling from the feeding pipe is buffered by the coarse screen frame and then enters the screen, thereby reducing the impact of the material on the screen and effectively prolonging the service life of the screen. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the front view schematic diagram of the vibrating screen of the preferred embodiment of the utility model discloses;

[0022] Figure 2 is Figure 1 the enlarged schematic diagram of A of the vibrating screen;

[0023] Figure 3 is the top view schematic diagram of the vibrating screen of the preferred embodiment of the utility model discloses;

[0024] LEGEND:

[0025] 1, rack;2, vibrating assembly;3, screen body;4, feeding pipe;5, slag discharge pipe;6, discharge pipe;7, screen;8, scraper;9, supporting plate;10, fastener;11, pressing plate;12, coarse screen frame;13, spring;14, eccentric block. DETAILED DESCRIPTION

[0026] In order to facilitate understanding of the utility model, the following will be more comprehensive and detailed description of the utility model in conjunction with the description, preferred embodiments and drawings, but the protection scope of the utility model is not limited to the following specific embodiments.

[0027] For example, Figures 1-3As shown, the embodiment discloses a vibrating screen, the main structure of which is similar to the vibrating screen disclosed in Chinese patent CN222220229U, comprising a rack 1, a vibrating assembly 2 mounted on the rack 1, and a screen body 3 connected with the vibrating assembly 2 and mounted below the screen body 3 through the vibrating assembly 2, so as to transmit vibration to the screen body 3, the vibrating assembly 2 comprising an eccentric block 14 and a spring 13 for generating vibration, the screen body 3 being provided with a feeding pipe 4, a slag discharge pipe 5, and a discharge pipe 6, the screen body 3 being provided with a screen 7 between the slag discharge pipe 5 and the discharge pipe 6, and the screen body 3 being provided with a scraper 8 for breaking up pseudo agglomerated materials, the scraper 8 being located between the feeding pipe 4 and the screen 7 and being provided with a gap relative to the screen 7. Thus, after adjusting the gap between the scraper 8 and the screen 7, the pseudo agglomerated materials will pass through the gap between the scraper 8 and the screen 7 during the vibration of the screen 7, so as to effectively break up the pseudo agglomerated materials, thereby improving the screening efficiency of the materials and the overall production efficiency.

[0028] In the embodiment, the scraper 8 extends from the axis of the screen body 3 to the two inner side walls of the screen body 3, and the scraper 8 is longitudinally arranged, so as to ensure that the pseudo agglomerated materials can pass through the gap between the scraper 8 and the screen 7 no matter they move clockwise or counterclockwise, and the breaking up effect is better. The scraper 8 is arranged in multiple, and the multiple scrapers 8 are arranged in cross, so as to increase the number of breaking up gaps and further improve the breaking up efficiency.

[0029] In the embodiment, in order to realize the installation of the scraper 8, the screen body 3 is further provided with a support plate 9, the support plate 9 being fixedly installed above the screen 7, specifically, the two ends of the support plate 9 are fixedly connected with the inner side walls of the screen body 3, for example, the support plate 9 can be connected through welding or bolts, and the scraper 8 is installed on the support plate 9, such as a fastener 10.

[0030] In the embodiment, in order to better protect the scraper 8 and ensure that the scraper 8 is uniformly stressed and installed on the support plate 9, the screen body 3 is further provided with a pressing plate 11, and the scraper 8 is pressed between the pressing plate 11 and the support plate 9 through the fastener 10.

[0031] In the embodiment, the screen body 3 is provided with a coarse screen frame 12 between the feeding pipe 4 and the scraper 8, so that the materials falling from the feeding pipe 4 will first enter the coarse screen frame 12, and the inner diameter of the screen hole of the coarse screen frame 12 is larger than that of the screen 7. By arranging the coarse screen frame 12 above the screen 7, the materials falling from the feeding pipe 4 will be buffered by the coarse screen frame 12 before entering the screen 7, so as to reduce the impact of the materials on the screen 7, and effectively improve the service life of the screen 7. In order to realize the installation of the coarse screen frame 12, in the embodiment, the coarse screen frame 12 is supported and installed on the support plate 9, so as to provide firm support.

[0032] In the embodiment, the rough screening frame 12 is a cylindrical structure with openings facing the feeding pipe 4, so as to be able to hold the falling material and prevent it from sliding out from the edge, and the bottom and the sidewall of the rough screening frame 12 are provided with screen holes, so as to improve the efficiency of the primary screening.

[0033] Although the present application has been disclosed with the preferred embodiments, it is not intended to limit the present application. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the disclosed technical contents, or modify equivalent embodiments with equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall fall within the protection scope of the technical scheme of the present application.

Claims

1. A vibrating screen comprising a frame (1) and a vibrating assembly (2) mounted on the frame (1) and a screen body (3) connected with the vibrating assembly (2), the screen body (3) is provided with a feeding pipe (4), a residue discharging pipe (5) and a discharge pipe (6), a screen mesh (7) is arranged in the screen body (3) between the residue discharging pipe (5) and the discharge pipe (6), characterized in that, The screen body (3) is provided with a scraper (8) for breaking up the false agglomerated material, the scraper (8) is located between the feed pipe (4) and the screen mesh (7) and is provided with a gap relative to the screen mesh (7).

2. The shaker screen of claim 1, wherein, The scraper (8) extends from the axis of the screen body (3) to the two inner side walls of the screen body (3).

3. The shaker screen of claim 2, wherein, The scraper (8) is a plurality of, and the plurality of scrapers (8) are cross arranged.

4. A vibrating screen according to claim 3, characterised in that, The screen body (3) is further provided with a support plate (9), the support plate (9) is fixedly installed above the screen mesh (7), and the scraper (8) is installed on the support plate (9).

5. A vibrating screen according to claim 4, characterised in that, The two ends of the support plate (9) are fixedly connected with the inner side walls of the screen body (3).

6. The vibrating screen of claim 4, wherein, The scraper (8) is installed on the support plate (9) through a fastener (10).

7. The vibrating screen of claim 4, wherein, The screen body (3) is further provided with a pressing plate (11), and the scraper (8) is tightly pressed between the pressing plate (11) and the support plate (9) through the fastener (10).

8. A vibrating screen according to any one of claims 4-7, characterised in that The screen body (3) is provided with a coarse screen frame (12) between the feed pipe (4) and the scraper (8), and the inner diameter of the screen hole of the coarse screen frame (12) is greater than the inner diameter of the screen hole of the screen mesh (7).

9. A vibrating screen according to claim 8, characterised in that, The coarse screen frame (12) is supported and installed on the support plate (9).

10. A vibrating screen according to claim 9, characterised in that, The coarse screen frame (12) is a cylindrical structure with an opening facing the feed pipe (4), and the bottom and the side wall of the coarse screen frame (12) are provided with screen holes.

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