Screening and demagnetizing device for anode material lithium manganate

Abstract

The utility model discloses a positive electrode material lithium manganate screening and demagnetizing device, which belongs to the technical field of screening and demagnetizing devices and comprises a screening device, a screening cover is arranged above the screening device, a feeding component is arranged above the screening cover, a dust collection component is arranged on one side of the feeding component, and a discharging seat is arranged below one side of the screening device. According to the device, the dust collection box, the exhaust fan, the filter screen, the conveying pipe, the dust collection cover, the disassembly and assembly box, the sealing plug cover and the limiting insertion rod are arranged, so that dust flying out of the feeding port during screening can be conveniently collected and treated, and the dust collection efficiency is improved; according to the demagnetizing device, the support, the clamping rod, the clamping block, the clamping sliding block and the clamping spring are arranged, so that the demagnetizing frame can be conveniently fixed, and the use practicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening and demagnetizing devices, and in particular relates to a screening and demagnetizing device for positive electrode material lithium manganate. Background Art

[0002] Lithium batteries are mainly composed of positive electrode materials, negative electrode materials, diaphragms and electrolytes. Lithium manganese oxide is a commonly used positive electrode material for lithium batteries. Positive electrode materials are mixed with iron during grinding and production. It is necessary to remove the iron in time to prevent affecting the quality of the positive electrode materials. The current method is to use screening and demagnetization devices to remove iron.

[0003] Chinese patent application No. 202222492111.1 discloses a lithium battery positive electrode material lithium manganate screening and demagnetization device, including a screener, a feed bin and a demagnetizer, the screener includes a multi-layer screen frame, a screen is provided in the screen frame, a screen cover is provided on the top of the top screen frame, and a discharge port is provided on the side of each screen frame; a base is provided below the bottom screen frame, the base is connected to the bottom of the bottom screen frame through a plurality of buffer springs, and a vibrator is connected to the outside of the screen frame; the feed bin is arranged above the screen cover, the feed bin includes a bin body and an anti-blocking mechanism arranged at the bin body feed port, the anti-blocking mechanism includes a roller body and a motor driving the roller body to rotate, the roller body is arranged on two opposite side walls of the bin body, and a plurality of toggle plates are arranged on the roller surface of the roller body at intervals; the demagnetizer is arranged below the discharge port of the bottom screen frame, and the demagnetizer is connected to the base through a fixed seat. The utility model can avoid the problem of blocking in the screening and demagnetization process by setting an anti-blocking mechanism.

[0004] The above-mentioned patent disclosed, 1. When in use, when screening potassium manganate, some dust will fly out from the feed port, and the device is not convenient to collect and process the flying dust; 2. When in use, the demagnetizer and the demagnetization frame and the demagnetization seat are connected by plug-in, which is not stable enough and is prone to sliding. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a positive electrode material lithium manganese oxide screening and demagnetization device, which is convenient for collecting and processing dust flying out from the feed port during screening and convenient for fixing the demagnetization frame of the demagnetizer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positive electrode material lithium manganese oxide screening and demagnetization device, comprising a screener, a screen cover is arranged above the screener, a feed assembly is arranged above the screen cover, a dust suction assembly is arranged on one side of the feed assembly, a discharge seat is arranged below one side of the screener, a demagnetizer is arranged below the discharge seat, a demagnetizer is arranged inside the demagnetizer, and a fixing assembly is arranged above the demagnetizer.

[0007] Preferably, the dust collection assembly includes a dust collection box, an exhaust fan, a filter, a delivery pipe, a dust hood, a disassembly box and a sealing plug cover, wherein a dust collection box is provided at one end above the screener, an exhaust fan is provided above the dust collection box, a filter is provided at the connection between the dust collection box and the exhaust fan, a delivery pipe is provided at one end of the dust collection box, a dust hood is provided at one end of the delivery pipe, a disassembly box is provided inside the dust collection box, and a sealing plug cover is provided on one side of the disassembly box.

[0008] Preferably, a limiting rod is provided above the sealing plug cover, and an anti-lost rope is provided at one end of the limiting rod.

[0009] Preferably, a handle is provided on one side of the sealing plug cover, and a roller is provided below the disassembly box.

[0010] Preferably, the fixing assembly includes a support, a clamping rod, a clamping block, a clamping slide and a clamping spring, wherein a support is provided at one end above the demagnetizer, a clamping rod is provided inside the support, a clamping block is provided at one end of the clamping rod, a clamping slide is provided on one side of the clamping rod, and a clamping spring is provided above the clamping slide.

[0011] Preferably, a stabilizing slide bar is slidably provided on one end of the clamping slide block, and a guide slide opening is provided on one side of the clamping block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the effect of facilitating the collection and treatment of dust flying out from the feed port during screening by arranging a dust suction component. By arranging a dust suction box, an exhaust fan, a filter screen, a conveying pipe, a dust collecting hood, a disassembly and assembly box, a sealing plug cover and a limiting plug rod, it is convenient to collect and treat the dust flying out from the feed port during screening, thereby improving the practicality of use.

[0014] 2. The utility model realizes the effect of facilitating the fixing of the demagnetizer frame by setting a fixing component, and facilitates the fixing of the demagnetizer frame by setting a support, a clamping rod, a clamping block, a clamping slide block and a clamping spring, thereby improving the practicality of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3 This is a schematic diagram of the structure of the dust collection component of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the fixing component of the utility model.

[0019] In the figure: 1. sifter; 2. sieve cover; 3. feed assembly; 4. dust collection assembly; 41. dust collection box; 42. exhaust fan; 43. filter; 44. conveying pipe; 45. dust collection hood; 46. disassembly and assembly box; 47. sealing plug cover; 48. limit plug rod; 5. discharge seat; 6. demagnetizer; 7. demagnetization frame; 8. fixing assembly; 81. support; 82. clamping rod; 83. clamping block; 84. clamping slide block; 85. clamping spring; 86. stabilizing slide bar. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a positive electrode material lithium manganese oxide screening and demagnetization device, comprising a screener 1, a screen cover 2 is arranged above the screener 1, a feed assembly 3 is arranged above the screen cover 2, a dust suction assembly 4 is arranged on one side of the feed assembly 3, a discharge seat 5 is arranged below one side of the screener 1, a demagnetizer 6 is arranged below the discharge seat 5, a demagnetizer frame 7 is arranged inside the demagnetizer 6, and a fixing assembly 8 is arranged above the demagnetizer frame 7.

[0023] Specifically, the dust collection assembly 4 includes a dust collection box 41, an exhaust fan 42, a filter 43, a conveying pipe 44, a dust hood 45, a disassembly box 46 and a sealing plug cover 47, wherein a dust collection box 41 is provided at one end above the sifter 1, an exhaust fan 42 is provided above the dust collection box 41, a filter 43 is provided at the connection between the dust collection box 41 and the exhaust fan 42, a conveying pipe 44 is provided at one end of the dust collection box 41, a dust hood 45 is provided at one end of the conveying pipe 44, a disassembly box 46 is provided inside the dust collection box 41, and a sealing plug cover 47 is provided on one side of the disassembly box 46.

[0024] By adopting the above technical solution, the exhaust fan 42 is started, and the exhaust fan 42 sucks the flying dust into the dust collection box 41 through the conveying pipe 44 and the dust collecting hood 45. When the collected dust needs to be processed, the limit plug 48 is removed, and then the sealing plug cover 47 is opened, and then the disassembly box 46 is pulled out. When the device is in use, it is convenient to collect and process the dust flying out from the feed port during screening, thereby improving the practicality of use.

[0025] Specifically, a limit rod 48 is provided above the sealing plug cover 47, and an anti-lost rope is provided at one end of the limit rod 48.

[0026] By adopting the above technical solution, the limiting rod 48 is convenient for strengthening the fixation of the sealing plug cover 47, and the anti-lost rope is convenient for preventing the limiting rod 48 from being lost.

[0027] Specifically, a handle is provided on one side of the sealing plug cover 47 , and a roller is provided below the disassembly box 46 .

[0028] By adopting the above technical solution, the handle makes it easy to pull out the sealing plug cover 47, and the roller makes it easy for the disassembly box 46 to slide smoothly.

[0029] When this embodiment is in use: start the exhaust fan 42, and the exhaust fan 42 sucks the flying dust into the dust collection box 41 through the conveying pipe 44 dust collecting hood 45. When the collected dust needs to be processed, remove the limit plug 48, then open the sealing plug cover 47, and then pull out the disassembly box 46. When the device is in use, it is convenient to collect and process the dust flying out from the feed port during screening, thereby improving the practicality of use.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 lies in that: specifically, the fixing assembly 8 includes a support 81, a clamping rod 82, a clamping block 83, a clamping slide 84 and a clamping spring 85, wherein a support 81 is provided at one end above the demagnetizer 6, a clamping rod 82 is provided inside the support 81, a clamping block 83 is provided at one end of the clamping rod 82, a clamping slide 84 is provided on one side of the clamping rod 82, and a clamping spring 85 is provided above the clamping slide 84.

[0032] By adopting the above technical solution, by pulling the clamping rod 82, the clamping rod 82 drives the clamping slider 84 to move and compress the clamping spring 85, so that the clamping block 83 is disengaged from the clamping hole, and then the demagnetizing frame 7 can be pulled out for cleaning, so that when the device is in use, it is convenient to fix the demagnetizing frame 7 of the demagnetizer 6, thereby improving the practicality of use.

[0033] Specifically, a stabilizing slide bar 86 is slidably provided at one end of the clamping slide block 84 , and a guide sliding opening is provided at one side of the clamping block 83 .

[0034] By adopting the above technical solution, the stabilizing slide bar 86 facilitates the stable sliding of the clamping slider 84, and the guide slide mouth facilitates the abutment with the clamping block 83 when the magnetic removal frame 7 is installed, so as to drive it to move upward.

[0035] When this embodiment is in use: by pulling the clamping rod 82, the clamping rod 82 drives the clamping slider 84 to move and compress the clamping spring 85, so that the clamping block 83 is disengaged from the clamping hole, and then the demagnetizing frame 7 can be pulled out for cleaning, so that when the device is in use, it is convenient to fix the demagnetizing frame 7 of the demagnetizer 6, thereby improving the practicality of use.

[0036] The structure and use principle of the screener 1, feed assembly 3 and demagnetizer 6 in the utility model have been disclosed in a lithium battery positive electrode material lithium manganese oxide screening and demagnetization device disclosed in Chinese patent application No. 202222492111.1. Its working principle is to stack multiple screen frames from bottom to top, and the aperture of the screen in the screen frame decreases from top to bottom, and the top screen frame is covered with a screen cover 2. The material to be screened is fed from the bin body into the screen frame through the anti-blocking device. The rotation of the roller body of the anti-blocking device causes the material to be turned over by the material transfer sheet to prevent the material from being blocked at the feed port. The coarse material after screening by each layer of the screen frame comes out from the discharge port, and the fine material enters the lower screen frame. The coarse material of the bottom screen frame enters the demagnetizer 6, and is adsorbed and demagnetized by the magnetic rod in the demagnetizer 6 to enter the next stage, and the magnetic rod can be removed by pulling out the cavity.

[0037] The exhaust fan 42 in the utility model is an existing disclosed technology, and the selected model is CF-11.

[0038] The working principle and use process of the utility model: the utility model is used for screening and demagnetizing the positive electrode material potassium manganate. When in use, potassium manganate is added through the feed component 3, then screened through the sifter 1, and finally flows into the demagnetizer 6 for demagnetization. When in use, the dust flying out from the feed port can be collected and processed through the dust suction component 4, and the demagnetization frame 7 is conveniently installed and fixed through the fixing component 8. When the dust suction component 4 is in use, the exhaust fan 42 is started, and the exhaust fan 42 sucks the flying dust into the dust suction box 41 through the conveying pipe 44 dust collecting hood 45. When the collected dust needs to be During processing, remove the limit rod 48, then open the sealing plug cover 47, and then pull out the disassembly box 46, so that when the device is in use, it is convenient to collect and process the dust flying out from the feed port during screening, thereby improving the practicality of use. When the fixing component 8 is in use, by pulling the clamping rod 82, the clamping rod 82 drives the clamping slider 84 to move the compressed clamping spring 85, so that the clamping block 83 is disengaged from the clamping hole, and then the demagnetization frame 7 can be pulled out for cleaning, so that when the device is in use, it is convenient to fix the demagnetization frame 7 of the demagnetizer 6, thereby improving the practicality of use.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positive electrode material lithium manganese oxide screening and demagnetization device, comprising a screener, characterized in that: A screen cover is arranged above the screener, a feed assembly is arranged above the screen cover, a dust collection assembly is arranged on one side of the feed assembly, a discharge seat is arranged below one side of the screener, a demagnetizer is arranged below the discharge seat, a demagnetizer frame is arranged inside the demagnetizer, and a fixing assembly is arranged above the demagnetizer frame.

2. A positive electrode material lithium manganate screening and demagnetization device according to claim 1, characterized in that: The dust collection assembly includes a dust collection box, an exhaust fan, a filter, a conveying pipe, a dust hood, a disassembly box and a sealing plug cover, wherein a dust collection box is arranged at one end above the screener, an exhaust fan is arranged above the dust collection box, a filter is arranged at the connection between the dust collection box and the exhaust fan, a conveying pipe is arranged at one end of the dust collection box, a dust hood is arranged at one end of the conveying pipe, a disassembly box is arranged inside the dust collection box, and a sealing plug cover is arranged on one side of the disassembly box.

3. A positive electrode material lithium manganese oxide screening and demagnetization device according to claim 2, characterized in that: A limit rod is arranged above the sealing plug cover, and an anti-lost rope is arranged at one end of the limit rod.

4. A positive electrode material lithium manganate screening and demagnetization device according to claim 2, characterized in that: A handle is arranged on one side of the sealing plug cover, and a roller is arranged below the disassembly box.

5. The positive electrode material lithium manganate screening and demagnetization device according to claim 1, characterized in that: The fixing assembly includes a support, a clamping rod, a clamping block, a clamping slide and a clamping spring, wherein a support is arranged at one end above the demagnetizer, a clamping rod is arranged inside the support, a clamping block is arranged at one end of the clamping rod, a clamping slide is arranged on one side of the clamping rod, and a clamping spring is arranged above the clamping slide.

6. A positive electrode material lithium manganate screening and demagnetization device according to claim 5, characterized in that: A stabilizing slide bar is slidably arranged at one end of the clamping slide block, and a guide slide is arranged at one side of the clamping block.

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