Screening device of synthetic screening equipment

Abstract

The utility model discloses a screening device of synthetic screening equipment, which comprises a base, a screening box arranged on the base and an elastic supporting piece positioned between the base and the screening box, the screening box is provided with at least two screening cylinders, the screening cylinders are provided with corresponding screens, the exteriors of the screening cylinders are provided with convex blocks, and the convex blocks are arranged on the elastic supporting piece. The screening device is provided with a screen replacing assistor, the screen replacing assistor is provided with a clamping assembly used for clamping the protruding block, and the clamping assembly ascends and descends in the vertical direction so that the protruding block can be lifted or put down through the clamping assembly. The screen replacing assistor arranged on the screening device can clamp the protruding block to lift the screening barrel on the screening device, replacement of the screen is facilitated, manpower is saved, the screen replacing assistor is movable and can serve multiple screening devices, and the using requirements of the multiple screening devices in a workshop are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium manganate production technical field especially relates to a screening device of synthetic screening equipment. BACKGROUND

[0002] As a positive electrode material of lithium ion battery, the particle size and distribution of lithium manganate after synthesis are crucial to the battery performance. During the synthesis process, lithium manganate particles are prone to agglomeration or unevenness, affecting the charge-discharge efficiency and cycle life of the battery. Therefore, after synthesis, ultrasonic screening equipment is used to screen lithium manganate to ensure particle uniformity and quality. The ultrasonic screening equipment breaks up the agglomerated particles through high-frequency vibration and allows fine particles to pass through the screen mesh, while coarse particles are retained, thereby achieving precise classification. To ensure the screening efficiency of lithium manganate, the ultrasonic screening equipment needs to replace the screen mesh regularly. The screen mesh is usually installed between the screening drums, and replacing the screen mesh requires disassembling the screening drums. The screening drums are heavy, and manual handling is labor-intensive. Moreover, the workshop often configures multiple ultrasonic screening equipment, and the replacement of the screen mesh is a large engineering task. SUMMARY

[0003] The utility model discloses a screening device of synthetic screening equipment to solve the problem of difficult handling of screening drums during screen mesh replacement in the prior art ultrasonic screening equipment. The screening device is equipped with a screen mesh replacement auxiliary device for handling the screening drums on the screening device.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A screening device of synthetic screening equipment, comprising a base, a screening box mounted on the base, and an elastic support between the base and the screening box. The base is provided with an ultrasonic generator for generating high-frequency electrical signals. The screening box is provided with a transducer for converting high-frequency electrical signals into mechanical vibration. The screening box is provided with at least two screening drums, and each screening drum is provided with a corresponding screen mesh. The exterior of the screening drum is provided with a protrusion. The screening device is equipped with a screen mesh replacement auxiliary device. The screen mesh replacement auxiliary device includes a moving table, a clamping assembly on the moving table for clamping the protrusion, a first electric cylinder with its axis vertically arranged between the clamping assembly and the moving table, and a second electric cylinder with its axis horizontally arranged on the moving table. The working end of the second electric cylinder is provided with a positioning block. The base is provided with a first positioning hole corresponding to the positioning block. The positioning block is inserted into the first positioning hole to form a positioning between the moving table and the base.

[0006] Preferably, the number of screening barrels is three, the three screening barrels are stacked from top to bottom and connected through connecting screws, a screening sleeve is arranged between adjacent screening barrels, and a screen is fixedly arranged on the screening sleeve.

[0007] Preferably, the two clamping pieces are located at different sides of the clamping column, and the clamping assembly further comprises a support plate, the bottom of the clamping column is provided with a rotating plate, the rotating plate is rotatably connected with the support plate, and the rotating plate is rotated to change the positions of the two clamping pieces relative to the screening box.

[0008] Preferably, the rotating plate is provided with two second positioning holes, the support plate is provided with a third positioning hole, and a positioning screw is inserted into the second positioning hole and the third positioning hole to form positioning between the rotating plate and the support plate.

[0009] Preferably, the clamping piece is provided with a clamping groove, and the protrusion is located in the clamping groove of the clamping piece to form clamping of the protrusion by the clamping piece.

[0010] Preferably, the lower part of the moving table is provided with a moving support, the upper part of the moving support is fixedly connected to the moving table, and the lower part of the moving support is provided with a universal wheel.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The screening device of the synthetic screening equipment is used for screening treatment after lithium manganate synthesis, the screening device is based on the ultrasonic screening equipment in the prior art, protrusions are arranged on the screening box of the ultrasonic screening equipment, and a screen replacement auxiliary device is configured, the screen replacement auxiliary device is used for clamping the protrusions to lift the screening barrels on the screening device, the screen replacement auxiliary device facilitates screen replacement and saves manpower.

[0013] 2. The screen replacement auxiliary device configured by the screening device of the synthetic screening equipment is movable, can serve multiple screening devices, meets the use needs of multiple screening devices in a workshop, and is good in practicability. DRAWINGS

[0014] Figure 1 It is a structural schematic view of the screening device of the synthetic screening equipment combined with the screen replacement auxiliary device;

[0015] Figure 2 It is a structural schematic view of the screening device of the synthetic screening equipment;

[0016] Figure 3 It is a structural schematic view of the screening device of the synthetic screening equipment from the top;

[0017] Figure 4 It is a structural schematic view of the screen replacement auxiliary device configured by the screening device;

[0018] Figure 5 Structure schematic view of the screen replacement aid rotating plate from the top view for the screening device;

[0019] Figure 6 Structure schematic view of the screen replacement aid clamping column from the top view for the screening device.

[0020] In the figure: 1, base; 2, screening box; 3, elastic support; 4, box cover; 5, moving table; 6, clamping column; 7, positioning screw; 8, support plate; 9, first electric cylinder; 10, moving support; 11, second electric cylinder; 12, positioning block; 13, first positioning hole;

[0021] 21, first screening cylinder; 22, second screening cylinder; 23, third screening cylinder; 24, first screening sleeve; 25, second screening sleeve; 211, first discharge port; 212, first protrusion; 221, second discharge port; 222, second protrusion; 231, third discharge port; 241, first screen; 251, second screen; 61, first clamping piece; 62, second clamping piece; 63, rotating plate; 631, second positioning hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0023] Reference Figure 2 A screening device of a synthetic screening equipment, comprising a base 1, a screening box 2 is installed on the base 1, an elastic support 3 is arranged between the base 1 and the screening box 2, the elastic support 3 is a spring, and the elastic support 3 elastically supports the screening box 2. An ultrasonic generator for generating high-frequency electric signals is arranged on the base 1, a transducer for converting the high-frequency electric signals into mechanical vibration is arranged on the screening box 2, the transducer is fixedly connected to the screening box 2, and vibration of the screening box 2 is formed.

[0024] Reference Figure 2 and Figure 3The screening box 2 comprises three screening cylinders and a box cover 4, the three screening cylinders are a first screening cylinder 21, a second screening cylinder 22 and a third screening cylinder 23, the first screening cylinder 21, the second screening cylinder 22 and the third screening cylinder 23 are stacked from top to bottom, the adjacent screening cylinders are connected through connecting screws, and the box cover 4 covers the first screening cylinder 21. One side of the first screening cylinder 21 is provided with a first discharge port 211, one side of the second screening cylinder 22 is provided with a second discharge port 221, and one side of the third screening cylinder 23 is provided with a third discharge port 231. The first discharge port 211, the second discharge port 221 and the third discharge port 231 are arranged in the circumferential direction of the screening box 2, which facilitates material receiving.

[0025] Further, the first screening cylinder 21 and the second screening cylinder 22 are provided with a first screening sleeve 24, the first screening sleeve 24 is fixedly provided with a first screen 241, the first screen 241 is used for screening the lithium manganate material in the first screening cylinder 21, the screened lithium manganate material enters the second screening cylinder 22, and the unfiltered lithium manganate material is discharged from the first discharge port 211. The second screening cylinder 22 and the third screening cylinder 23 are provided with a second screening sleeve 25, the second screening sleeve 25 is fixedly provided with a second screen 251, the second screen 251 is used for screening the lithium manganate material in the second screening cylinder 22, the screened lithium manganate material enters the third screening cylinder 23, and the unfiltered lithium manganate material is discharged from the second discharge port 221. The lithium manganate material in the third screening cylinder 23 is discharged from the third discharge port 231.

[0026] The first screening cylinder 21 is fixedly provided with a first protrusion 212 outside, the second screening cylinder 22 is fixedly provided with a second protrusion 222 outside, and the first protrusion 212 is located above the second protrusion 222.

[0027] Reference Figure 1 And Figure 4 The screening device is provided with a screen replacement auxiliary device, the screen replacement auxiliary device comprises a moving table 5, the moving table 5 is provided with a second electric cylinder 11, the axis of the second electric cylinder 11 is horizontally arranged, the working end of the second electric cylinder 11 is provided with a positioning block 12, and the second electric cylinder 11 is used for realizing the movement of the positioning block 12 in the horizontal direction. The base 1 of the screening device is provided with a first positioning hole 13, the position of the first positioning hole 13 corresponds to the position of the positioning block 12, the positioning block 12 is used for inserting into the first positioning hole 13, and the positioning between the moving table 5 and the base 1 is formed.

[0028] Further, the mobile station 5 is provided with a clamping assembly for clamping the protrusions, the clamping assembly comprising a clamping column 6, and the clamping column 6 is provided with two clamping pieces, including a first clamping piece 61 and a second clamping piece 62. The first clamping piece 61 corresponds to the position of the second protrusion 222 of the second screening drum 22, and the second clamping piece 62 corresponds to the position of the first protrusion 212 of the first screening drum 21. The first clamping piece 61 is provided with a first clamping groove for clamping the second protrusion 222, and the second protrusion 222 is located in the first clamping groove to form clamping of the second protrusion 222 by the first clamping piece 61. The second clamping piece 62 is provided with a second clamping groove for clamping the first protrusion 212, and the first protrusion 212 is located in the second clamping groove to form clamping of the first protrusion 212 by the second clamping piece 62.

[0029] Referring to Figure 4 and Figure 6 , the first clamping piece 61 and the second clamping piece 62 are located on different sides of the clamping column 6. The clamping assembly further comprises a support plate 8, and the bottom of the clamping column 6 is provided with a rotating plate 63, which is rotatably connected to the support plate 8. The rotating plate 63 is rotated to change the positions of the first clamping piece 61 and the second clamping piece 62 relative to the screening box 2. When clamping the second protrusion 222 of the second screening drum 22, the first clamping piece 61 is close to the screening box 2, and the second clamping piece 62 is away from the screening box 2. When clamping the first protrusion 212 of the first screening drum 21, the second clamping piece 62 is close to the screening box 2, and the first clamping piece 61 is away from the screening box 2.

[0030] Referring to Figure 4 and Figure 5 , the rotating plate 63 is provided with two second positioning holes 631, and the support plate 8 is provided with a third positioning hole. The positioning screw 7 is inserted into the second positioning hole 631 and the third positioning hole to form positioning between the rotating plate 63 and the support plate 8. The positions of the two second positioning holes 631 correspond to the positions of the two clamping pieces, and the positioning screw 7 is inserted into different second positioning holes 631 to form different positions of the two clamping pieces.

[0031] Further, the clamping assembly and the mobile station 5 are provided with a first electric cylinder 9, and the axis of the first electric cylinder 9 is vertically arranged. The first electric cylinder 9 is connected between the support plate 8 and the mobile station 5, and the first electric cylinder 9 is used to form lifting of the clamping assembly in the vertical direction. When the clamping assembly clamps the protrusions on the screening box 2, the protrusions and the screening drum can be lifted or lowered, which is convenient for replacement of the screening set and the screen.

[0032] When the screen replacement aid is pushed to the vicinity of the screening device, the position of the screen replacement aid is adjusted, so that the positioning block 12 of the screen replacement aid is inserted into the first positioning hole 13 of the base 1, and the positioning between the screening device and the screen replacement aid is completed.Figure 1 When the positioning block 12 is inserted into the first positioning hole 13 of the base 1, the first protrusion 212 is located in the second clamping groove of the second clamping piece 62, at this time, the second clamping piece 62 clamps the first protrusion 212, the connecting screw between the first screening drum 21 and the second screening drum 22 is loosened, then the first electric cylinder 9 drives the second clamping piece 62 to move upward, the second clamping piece 62 lifts the first protrusion 212 and the first screening drum 21, so that the first screening drum 21 is separated from the second screening drum 22, the first screening sleeve 24 between the first screening drum 21 and the second screening drum 22 can be removed, then the first screen mesh 241 on the first screening sleeve 24 is replaced, after the first screen mesh 241 is replaced, the first screening sleeve 24 is installed on the second screening drum 22, then the first screening drum 21 is lowered, and the installation between the first screening drum 21 and the second screening drum 22 is completed.

[0033] When the second screen mesh 251 needs to be replaced, the positioning screw 7 is loosened, the rotating plate 63 and the clamping column 6 are rotated, the first clamping piece 61 and the second clamping piece 62 are replaced, at this time, the second protrusion 222 is located in the first clamping groove of the first clamping piece 61, and the second clamping piece 62 clamps the first protrusion 212. According to the replacement steps of the first screen mesh 241, the replacement of the second screen mesh 251 is completed.

[0034] The screening device is provided with a screen mesh replacement auxiliary device, the screen mesh replacement auxiliary device is used for lifting the screening drum on the screening device through the clamping protrusion, so that the screen mesh can be replaced conveniently, and manpower is saved.

[0035] Further, the lower part of the moving table 5 is provided with a moving support 10, the upper part of the moving support 10 is fixedly connected to the moving table 5, and the lower part of the moving support 10 is provided with universal wheels. The moving table 5 and the screen mesh replacement auxiliary device are movable, can serve multiple screening devices, meet the use needs of multiple screening devices in a workshop, and are good in practicability.

[0036] The universal wheel is a brake universal wheel, the brake universal wheel can not only rotate freely, but also is provided with a brake device, so that the wheels can be fixed when needed, and the equipment is prevented from moving. When the positioning block 12 of the screen mesh replacement auxiliary device is inserted into the first positioning hole 13 of the base 1, the wheels of the universal wheel are fixed through the brake device, and the moving table 5 is prevented from moving.

[0037] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A screening device of a synthetic screening plant, comprising a base (1), a screening box (2) mounted on the base (1), and an elastic support (3) between the base (1) and the screening box (2), the base (1) being provided with an ultrasonic generator for generating a high-frequency electric signal, the screening box (2) being provided with a transducer for converting the high-frequency electric signal into mechanical vibration, the screening box (2) being provided with at least two screening drums, the screening drums being provided with corresponding screens, characterized in that, The outer part of the screening cylinder is provided with a protrusion; The screening device is provided with a screen replacement aid, the screen replacement aid comprises a moving table (5), the moving table (5) is provided with a clamping assembly for clamping the protrusion, a first electric cylinder (9) with an axis arranged vertically is arranged between the clamping assembly and the moving table (5), the first electric cylinder (9) is used to form the lifting and lowering of the clamping assembly in the vertical direction to realize the lifting or lowering of the clamping assembly to the protrusion, a second electric cylinder (11) with an axis arranged horizontally is further arranged on the moving table (5), the working end of the second electric cylinder (11) is provided with a positioning block (12), the base (1) is provided with a first positioning hole (13) corresponding to the positioning block (12), and the positioning block (12) is used to insert the first positioning hole (13) to form the positioning between the moving table (5) and the base (1).

2. The screening apparatus of claim 1, wherein, The number of the screening cylinders is three, the three screening cylinders are stacked from top to bottom and connected through connecting screws, a screening sleeve is arranged between adjacent screening cylinders, and a screen is fixedly arranged on the screening sleeve; The clamping assembly comprises a clamping column (6), the clamping column (6) is provided with two clamping pieces, and the positions of the two clamping pieces correspond to the positions of the protrusions of the two screening cylinders on the upper part of the screening box (2) respectively.

3. The screening apparatus of claim 2, wherein, The two clamping pieces are located on different sides of the clamping column (6), the clamping assembly further comprises a supporting plate (8), the bottom of the clamping column (6) is provided with a rotating plate (63), the rotating plate (63) is rotationally connected with the supporting plate (8), and the rotating plate (63) is rotated to convert the positions of the two clamping pieces relative to the screening box (2).

4. The screening apparatus of claim 3, wherein, The rotating plate (63) is provided with two second positioning holes (631), the supporting plate (8) is provided with a third positioning hole, and a positioning screw (7) is inserted into the second positioning hole (631) and the third positioning hole to form the positioning between the rotating plate (63) and the supporting plate (8).

5. A screening device according to any of claims 2-4, characterized in that The clamping piece is provided with a clamping groove, and the protrusion is located in the clamping groove of the clamping piece to form the clamping of the clamping piece to the protrusion.

6. The screening apparatus of claim 5, wherein, The lower part of the moving table (5) is provided with a moving support (10), the upper part of the moving support (10) is fixedly connected to the moving table (5), and the lower part of the moving support (10) is provided with universal wheels.

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