Airflow crushing and screening device for lithium iron phosphate

Abstract

The utility model provides an airflow crushing and screening device for lithium iron phosphate, which relates to the technical field of airflow screening devices and comprises a tank body, the bottom of the tank body is mounted on the ground through a mounting mechanism, a conveying cylinder is arranged on one side of the tank body, materials are conveyed into the tank body by the conveying cylinder, and the conveying cylinder is connected with the tank body. Compressed air is pumped into the tank body so that materials can be crushed and ground in an inner core in the tank body, a feeding hopper is arranged at the upper end of the conveying barrel, a screening mechanism is arranged in a port of the feeding hopper, and the screening mechanism screens the materials thrown into the feeding hopper. In the processing process, the lithium iron phosphate raw material is thrown into the feeding hopper, and the material is screened in advance through the screening mechanism in the feeding hopper.

Description

Technical Field

[0001] The utility model relates to the technical field of airflow screening devices, in particular to an airflow crushing and screening device for lithium iron phosphate. Background Art

[0002] A battery is a cup, tank or other container or part of a composite container that contains an electrolyte solution and metal electrodes to generate an electric current. It is a device that can convert chemical energy into electrical energy and has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy. Lithium iron phosphate is the main component of lithium batteries.

[0003] During the processing of lithium iron phosphate, it is necessary to grind the lithium iron phosphate into powder. In this process, an airflow screening device is often required. Airflow screening is suitable for relatively small materials, while larger materials thrown into the equipment are likely to affect the screening. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an airflow crushing and screening device for lithium iron phosphate.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for air flow crushing and screening of lithium iron phosphate, comprising a tank body, the bottom of which is installed on the ground through a mounting mechanism, a conveying cylinder is arranged on one side of the tank body, wherein the conveying cylinder conveys the material to the interior of the tank body, and the material is crushed and ground in the inner core of the tank body by pumping compressed air into the interior of the tank body, wherein a feed hopper is arranged at the upper end of the conveying cylinder, and a screening mechanism is arranged in the port of the feed hopper, wherein the screening mechanism screens the material thrown into the feed hopper.

[0006] The effects achieved by the above components are as follows: during the processing, the lithium iron phosphate raw material is thrown into the feed hopper, the material is pre-screened by the screening mechanism in the feed hopper, and then the motor drives the auger to transport the material fed by the feed hopper into the tank body, and multiple groups of air inlets blow high-pressure air into the tank body. The high-pressure air drives the material, so that the material follows the high-pressure air to rub and crush back and forth between the tank body and the inner core (the air outlet can be connected to the side of the tank body to ensure that the high-pressure air can circulate around the inner core inside the tank body, and the air outlet is connected to the outside through a filter), and the crushed lithium iron phosphate raw material is discharged from the discharging mechanism.

[0007] Preferably, an auger is provided inside the conveying cylinder, wherein a motor is fixedly installed at the port of the conveying cylinder, and the output end of the motor drives the auger to rotate to convey the material thrown into the conveying cylinder from the feed hopper into the tank body.

[0008] Preferably, the screening mechanism includes a mounting frame, which is installed inside the feed hopper. A sliding rod is vertically inserted in the mounting frame, and a filter hopper is fixedly connected to the upper end of the sliding rod. The filter hopper is covered on the feed hopper, and a spring is sleeved on the surface of the sliding rod. Both ends of the spring are respectively fixedly connected to the mounting frame and the filter hopper.

[0009] The effects achieved by the above components are: holes are evenly opened on the surface of the filter bucket, the lithium iron phosphate raw material falls into the filter bucket, the filter bucket is hit and the compression spring vibrates up and down, and then the lithium iron phosphate raw material is screened and falls into the conveying cylinder.

[0010] Preferably, a sleeve hopper is provided between the upper end of the filter hopper and the feed hopper, and further comprises a sleeve ring, wherein the sleeve hopper is pressed onto the feed hopper.

[0011] The effect achieved by the above components is: the sleeve is pressed onto the feed hopper by the sleeve ring (wherein the sleeve can be a mesh structure).

[0012] Preferably, the interior of the tank body is fixedly connected with an inner core, wherein a protrusion is provided between the inner core and the tank body, and further comprises a plurality of groups of air inlets, wherein the air inlets are obliquely inserted into the interior of the tank body.

[0013] Preferably, a discharge mechanism is provided at the bottom end of the tank body, and the discharge mechanism includes a discharge port, and the discharge port is installed at the bottom of the tank body. A discharge hopper is installed at the bottom end of the discharge port, wherein the port of the discharge hopper is bent upward and outward.

[0014] The effects achieved by the above components are: the fully upward and outward discharging hopper is convenient for putting on the cloth bag and convenient for hooking the cloth bag.

[0015] Preferably, the discharging mechanism comprises a telescopic rod installed at the bottom of the discharging port.

[0016] The effect achieved by the above components is that the telescopic rod can be an electric telescopic rod, and the telescopic rod is extended to push the cloth bag against the discharge hopper to fix the cloth bag.

[0017] Preferably, the air inlet is connected to the pipe.

[0018] The effect achieved by the above components is that the pipe can be externally connected to a high-pressure air pump.

[0019] Compared with the prior art, the advantages and positive effects of the utility model are:

[0020] In the utility model, during the processing, the lithium iron phosphate raw material is thrown into the feed hopper, the material is pre-screened by the screening mechanism in the feed hopper, and then the motor drives the auger to transport the material fed by the feed hopper into the tank body, and multiple groups of air inlets blow high-pressure air into the inside of the tank body. The high-pressure air drives the material, so that the material follows the high-pressure air and rubs back and forth between the tank body and the inner core to be crushed (the air outlet can be connected to the side of the tank body to ensure that the high-pressure air can circulate around the inner core inside the tank body, and the air outlet is connected to the outside through a filter), and the crushed lithium iron phosphate raw material is discharged from the discharging mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a lithium iron phosphate airflow crushing and screening device;

[0022] Figure 2 The utility model provides a schematic diagram of the internal structure of a lithium iron phosphate airflow crushing and screening device;

[0023] Figure 3 The utility model proposes a method for using an air flow crushing and screening device for lithium iron phosphate Figure 1 A magnified image of point A;

[0024] Figure 4 The utility model proposes a method for using an air flow crushing and screening device for lithium iron phosphate Figure 2 The enlarged view of point B;

[0025] Figure 5 The utility model proposes a method for using an air flow crushing and screening device for lithium iron phosphate Figure 2 Enlarged view of point C.

[0026] Legend: 1. Tank body; 2. Air inlet; 3. Pipe; 4. Conveying cylinder; 5. Feed hopper; 6. Discharge mechanism; 61. Discharge port; 62. Discharge hopper; 63. Telescopic rod; 7. Screening mechanism; 71. Mounting frame; 72. Sliding rod; 73. Spring; 74. Filter hopper; 75. Sleeve hopper; 76. Ring; 8. Auger; 9. Inner core. DETAILED DESCRIPTION

[0027] Embodiment 1, as Figure 1-5As shown, a device for air flow crushing and screening of lithium iron phosphate includes a tank body 1, the bottom of which is installed on the ground through a mounting mechanism, a conveying cylinder 4 is arranged on one side of the tank body 1, wherein the conveying cylinder 4 conveys the material to the inside of the tank body 1, and the material is crushed and ground in the inner core 9 of the tank body 1 by pumping compressed air into the inside of the tank body 1, wherein a feed hopper 5 is arranged on the upper end of the conveying cylinder 4, and a screening mechanism 7 is arranged in the port of the feed hopper 5, wherein the screening mechanism 7 screens the material thrown into the feed hopper 5, and during the processing, the lithium iron phosphate raw material is thrown into the feed hopper 5, and the material is pre-screened by the screening mechanism 7 in the feed hopper 5, and then the auger 8 driven by the motor transports the material fed into the feed hopper 5 Into the tank body 1, multiple groups of air inlets 2 blow high-pressure air into the tank body 1, and the high-pressure air drives the material, so that the material follows the high-pressure air to rub and crush between the tank body 1 and the inner core 9 (the air outlet can be connected to the side of the tank body 1 to ensure that the high-pressure air can circulate around the inner core 9 inside the tank body 1, and the air outlet is connected to the outside through the filter), and the crushed lithium iron phosphate raw material is discharged from the discharging mechanism 6. An auger 8 is arranged inside the conveying cylinder 4, and a motor is fixedly installed at the port of the conveying cylinder 4. The output end of the motor drives the auger 8 to rotate to convey the material thrown into the conveying cylinder 4 from the feed hopper 5 to the tank body 1. The screening mechanism 7 includes a mounting frame 71, and the mounting frame 71 is installed inside the feed hopper 5. The mounting frame 71 is vertically inserted into the mounting frame 71. A slide bar 72 is provided, and a filter hopper 74 is fixedly connected to the upper end of the slide bar 72. The filter hopper 74 covers the feed hopper 5. A spring 73 is sleeved on the surface of the slide bar 72. The two ends of the spring 73 are respectively fixedly connected to the mounting frame 71 and the filter hopper 74. Holes are evenly provided on the surface of the filter hopper 74. The lithium iron phosphate raw material falls into the filter hopper 74. The filter hopper 74 is impacted and the spring 73 is compressed to vibrate up and down, so that the lithium iron phosphate raw material is screened and falls into the conveying cylinder 4. A sleeve hopper 75 is sleeved between the upper end of the filter hopper 74 and the feed hopper 5, and also includes a sleeve ring 76. The sleeve ring 76 presses the sleeve hopper 75 on the feed hopper 5, and the sleeve hopper 75 is pressed on the feed hopper 5 by the sleeve ring 76 (wherein the sleeve hopper 75 can be a mesh structure). The interior of the tank body 1 is fixedly connected with an inner core 9, wherein a protrusion is provided between the inner core 9 and the tank body 1, and also includes a plurality of groups of air inlets 2, wherein the air inlet 2 is obliquely inserted into the interior of the tank body 1, and a discharging mechanism 6 is provided at the bottom end of the tank body 1, and the discharging mechanism 6 includes a discharging port 61, and the discharging port 61 is installed at the bottom of the tank body 1, and a discharging hopper 62 is installed at the bottom end of the discharging port 61, wherein the port of the discharging hopper 62 is bent upward and outward, and the discharging hopper 62 that is completely upward and outward is convenient for putting on a cloth bag and hooking the cloth bag, and the discharging mechanism 6 includes a telescopic rod 63 installed at the bottom of the discharging port 61, and the telescopic rod 63 can be an electric telescopic rod 63, and the telescopic rod 63 is extended to press the cloth bag against the discharging hopper 62 to fix the cloth bag, and the air inlet 2 is connected to the pipe 3, and the pipe 3 can be externally connected to a high-pressure air pump.

[0028] Working principle: during the processing, the lithium iron phosphate raw material is thrown into the feed hopper 5, and the material is pre-screened by the screening mechanism 7 in the feed hopper 5, and then the motor drives the auger 8 to transport the material fed by the feed hopper 5 to the tank body 1, and multiple groups of air inlets 2 blow high-pressure air into the tank body 1. The high-pressure air drives the material, so that the material follows the high-pressure air to bulge back and forth between the tank body 1 and the inner core 9 to be crushed (the air outlet can be connected to the side of the tank body 1 to ensure that the high-pressure air can circulate around the inner core 9 inside the tank body 1, and the air outlet is connected to the outside through the filter screen). The crushed lithium iron phosphate raw material is discharged from the discharging mechanism 6, and holes are evenly provided on the surface of the filter bucket 74. The lithium iron phosphate raw material falls into the filter bucket 74. The filter bucket 74 is hit to compress the spring 73 to vibrate up and down, and then the lithium iron phosphate raw material is screened and falls into the conveying cylinder 4. The sleeve 75 is pressed onto the feed hopper 5 through the sleeve ring 76 (wherein the sleeve 75 can be a mesh structure), and the discharging hopper 62 that is completely upward and outward is convenient for putting on a cloth bag and hooking the cloth bag. The telescopic rod 63 can be an electric telescopic rod 63. The telescopic rod 63 is extended to press the cloth bag against the discharging hopper 62 to fix the cloth bag.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A device for airflow crushing and screening of lithium iron phosphate, comprising a tank body (1), characterized in that: The bottom of the tank body (1) is mounted on the ground via a mounting mechanism, and a conveying cylinder (4) is provided on one side of the tank body (1), wherein the conveying cylinder (4) conveys materials into the interior of the tank body (1), and compressed air is pumped into the interior of the tank body (1) so that the materials are crushed and ground in an inner core (9) of the tank body (1), wherein a feed hopper (5) is provided at the upper end of the conveying cylinder (4), and a screening mechanism (7) is provided at the port of the feed hopper (5), wherein the screening mechanism (7) screens the materials thrown into the feed hopper (5).

2. The airflow crushing and screening device for lithium iron phosphate according to claim 1, characterized in that: An auger (8) is arranged inside the conveying cylinder (4), wherein a motor is fixedly mounted at the end of the conveying cylinder (4), and the output end of the motor drives the auger (8) to rotate so as to convey the material dropped into the conveying cylinder (4) from the feed hopper (5) into the tank body (1).

3. The airflow crushing and screening device for lithium iron phosphate according to claim 2, characterized in that: The screening mechanism (7) comprises a mounting frame (71), the mounting frame (71) being mounted inside the feed hopper (5), a slide rod (72) being vertically slidably inserted in the mounting frame (71), a filter hopper (74) being fixedly connected to the upper end of the slide rod (72), the filter hopper (74) covering the feed hopper (5), a spring (73) being sleeved on the surface of the slide rod (72), the two ends of the spring (73) being fixedly connected to the mounting frame (71) and the filter hopper (74) respectively.

4. The airflow crushing and screening device for lithium iron phosphate according to claim 3, characterized in that: A sleeve hopper (75) is sleeved between the upper end of the filter hopper (74) and the feed hopper (5), and also includes a sleeve ring (76), wherein the sleeve ring (76) presses the sleeve hopper (75) onto the feed hopper (5).

5. The airflow crushing and screening device for lithium iron phosphate according to claim 4, characterized in that: The tank body (1) is fixedly connected to an inner core (9), wherein a protrusion is provided between the inner core (9) and the tank body (1), and further comprises a plurality of groups of air inlets (2), wherein the air inlets (2) are obliquely inserted into the interior of the tank body (1).

6. The device for airflow crushing and screening of lithium iron phosphate according to claim 5, characterized in that: A discharge mechanism (6) is provided at the bottom end of the tank body (1), the discharge mechanism (6) comprising a discharge port (61), the discharge port (61) being installed at the bottom of the tank body (1), a discharge hopper (62) being installed at the bottom end of the discharge port (61), wherein the port of the discharge hopper (62) is bent upward and outward.

7. The device for airflow crushing and screening of lithium iron phosphate according to claim 6, characterized in that: The discharge mechanism (6) comprises a telescopic rod (63) mounted at the bottom of the discharge port (61).

8. The device for airflow crushing and screening of lithium iron phosphate according to claim 7, characterized in that: The air inlet (2) is connected to the pipe (3).

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