Continuous operation crucible device for rapid sintering of graphite raw material of lithium battery

Abstract

The utility model relates to the technical field of lithium battery graphite raw material sintering, and discloses a continuous operation crucible device for lithium battery graphite raw material rapid sintering, which comprises a first frame body, an alternating mechanism is arranged on the top of the first frame body, and a sintering mechanism and a blanking mechanism are respectively arranged on the left side and the right side of the first frame body. A cooling mechanism is arranged on one side of the first frame body, and a controller is fixed to the top of the first frame body. The alternating mechanism comprises a rotating air cylinder, the rotating air cylinder is fixed to the top of the first frame body, a rotating plate is fixed to the top of the rotating air cylinder, two crucible bodies are arranged at the top of the rotating air cylinder, two first hydraulic cylinders are fixed to the top of the rotating air cylinder, and a protective shell is fixed to one end of each first hydraulic cylinder. According to the continuous operation crucible device for rapid sintering of the graphite raw material of the lithium battery, through the design of the alternating mechanism, the bottleneck problem that a traditional process depends on manual crucible carrying is solved, and the continuous production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery graphite raw material sintering technical field, concretely for a kind of continuous operation crucible device for lithium battery graphite raw material rapid sintering. BACKGROUND

[0002] With the rapid development of lithium battery industry, the demand for graphite raw materials is increasing. In the production process of lithium battery graphite raw material, sintering is a key high-temperature processing step, which aims to densify the material structure by heating, improve the electrical conductivity, and remove impurities.

[0003] The traditional sintering method needs to rely on manual placing of crucible and discharging into the sintering furnace frequently during work, which leads to low production efficiency, high labor intensity and difficulty in rapid continuous operation. Therefore, we propose a continuous operation crucible device for lithium battery graphite raw material rapid sintering. UTILITY MODEL CONTENTS

[0004] In view of the shortcomings of the prior art, the utility model aims to provide a continuous operation crucible device for lithium battery graphite raw material rapid sintering to solve the problems raised in the background art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a continuous operation crucible device for lithium battery graphite raw material rapid sintering, comprising a first frame, a rotating mechanism is arranged on the top of the first frame, a sintering mechanism and a discharging mechanism are respectively arranged on the left and right sides of the first frame, a cooling mechanism is arranged on one side of the first frame, and a controller is fixed on the top of the first frame.

[0006] The rotating mechanism comprises a rotary air cylinder, the rotary air cylinder is fixed on the top of the first frame, a rotating plate is fixed on the top of the rotary air cylinder, two crucible bodies are arranged on the top of the rotary air cylinder, two first hydraulic cylinders are fixed on the top of the rotary air cylinder, a protective shell is fixed on one end of the first hydraulic cylinder, a servo motor is fixed inside the protective shell, a pneumatic gripper is fixed on the output shaft of the servo motor and penetrates the protective shell, an arc-shaped clamping plate is fixed on the surface of the moving part of the pneumatic gripper, and the crucible body is located inside the arc-shaped clamping plate.

[0007] Preferably, a circular guide rail is fixed on the top of the first frame, a first sliding block is slidably connected to the surface of the circular guide rail, and the top of the first sliding block is fixedly connected to the bottom of the rotating plate.

[0008] Preferably, the sintering mechanism comprises a sintering box, a plurality of heaters are installed inside the sintering box, two second hydraulic cylinders are fixed on the surface of the sintering box, a sealing plate is fixed on one end of the second hydraulic cylinder, and two air inlet and outlet valves are communicated with the top of the sintering box.

[0009] Preferably, the blanking mechanism comprises a second frame body, a limiting shell is fixed at the top of the second frame body, a pressure sensor is fixed to the inner wall of the limiting shell, and a material collecting box is slidably connected to the top of the pressure sensor.

[0010] Preferably, the cooling mechanism comprises a third frame body, a water chiller and a serpentine pipe, a plurality of heat-conducting fins are fixed to the surface of the serpentine pipe, the surface of the heat-conducting fins is fixedly connected with the surface of the third frame body, a fan is fixed to the surface of the heat-conducting fins, a conveying pump is in communication with the surface of the water chiller, the liquid end of the conveying pump is communicated with one end of the serpentine pipe through a pipeline, and the other end of the serpentine pipe is communicated with the water chiller through a pipeline.

[0011] Preferably, the arc-shaped clamping plate is made of ceramic material.

[0012] Preferably, four linear guide rails are fixed to the surface of the rotating plate, second sliding blocks are slidably connected to the surface of the linear guide rails, a connecting plate is fixed to the top of the second sliding blocks, and the connecting plate is fixedly connected with the bottom of the protective shell.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] Firstly, the rotation mechanism of the utility model solves the bottleneck problem of traditional process relying on manual carrying of the crucible through the cooperative design of the rotary cylinder, the pneumatic clamping grab and the double guide rails, the periodic driving of the rotary cylinder realizes seamless switching of the double stations, the continuous production efficiency is greatly improved, the safety risk of manual operation is reduced, and the utility model is particularly suitable for the mass production demand of lithium batteries with high precision and high consistency.

[0015] Secondly, the cooling mechanism of the utility model realizes the rapid cooling of the crucible body through the heat dissipation design of the serpentine pipe, the water chiller, the conveying pump, the heat-conducting fins and the fan, the water chiller and the conveying pump can drive the cooling liquid to circulate in the serpentine pipe, the heat-conducting fins exchange the heat of the serpentine pipe, the fan accelerates the air flow, the heat on the surface of the serpentine pipe and the heat-conducting fins can be blown to one side of the crucible body, rapid heat dissipation is realized, and efficient cooling support is provided for continuous operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional structure schematic diagram of the rotation mechanism in the utility model;

[0018] Figure 3 It is a structure schematic diagram of the sintering mechanism in the utility model;

[0019] Figure 4 It is a split structure schematic diagram of the blanking mechanism in the utility model;

[0020] Figure 5 It is a structure schematic view of the cooling mechanism in the utility model.

[0021] Wherein: 1, first frame body; 2, rotation mechanism; 201, rotary cylinder; 202, rotating plate; 203, crucible body; 204, first hydraulic cylinder; 205, protective shell; 206, servo motor; 207, pneumatic gripper; 208, arc clamping plate; 209, circular guide rail; 210, first sliding block; 211, linear guide rail; 212, second sliding block; 3, sintering mechanism; 301, sintering box; 302, heater; 303, second hydraulic cylinder; 304, closing plate; 305, inlet and outlet valve; 4, blanking mechanism; 401, second frame body; 402, limiting shell; 403, pressure sensor; 404, receiving box; 5, cooling mechanism; 501, third frame body; 502, serpentine pipe; 503, heat-conducting sheet; 504, fan; 505, water chiller; 506, delivery pump; 6, controller. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail with specific embodiments in conjunction with the drawings.

[0023] Please refer to Figures 1-5 A continuous operation crucible device for rapid sintering of lithium battery graphite raw materials, comprising a first frame body 1, the first frame body 1 top is provided with rotation mechanism 2, the first frame body 1 left and right sides are provided with sintering mechanism 3 and blanking mechanism 4 respectively, the first frame body 1 one side is provided with cooling mechanism 5, and the first frame body 1 top is fixed with controller 6;

[0024] The rotation mechanism 2 includes a rotary cylinder 201, which is fixed to the top of the first frame body 1. The rotary cylinder 201 top is fixed with a rotating plate 202. Two crucible bodies 203 are arranged on the top of the rotary cylinder 201. Two first hydraulic cylinders 204 are fixed to the top of the rotary cylinder 201. The first hydraulic cylinder 204 one end is fixed with a protective shell 205. The protective shell 205 inside is fixed with a servo motor 206. The servo motor 206 output shaft penetrates the protective shell 205 and is fixed with a pneumatic gripper 207. The pneumatic gripper 207 moving part surface is fixed with an arc clamping plate 208. The crucible body 203 is located inside the arc clamping plate 208.

[0025] By the above technical scheme, the pneumatic gripper 207 can clamp and fix the crucible body 203 when working, the rotating mechanism 2 drives the rotating plate 202 to rotate periodically through the rotary cylinder 201, the two first hydraulic cylinders 204 drive the servo motor 206 and the pneumatic gripper 207 to act cooperatively, when the crucible body 203 needs to be transferred, the arc-shaped clamping plate 208 of the pneumatic gripper 207 clamps the crucible body 203, the rotating plate 202 is rotated by 180° by the rotary cylinder 201, so that the crucible body 203 on one side is located on one side of the sintering mechanism 3, at this time, the first hydraulic cylinder 204 on this side is started, so that the crucible body 203 can be sent into the inside of the sintering mechanism 3, then the pneumatic gripper 207 is loosened and resets cooperatively with the first hydraulic cylinder 204, so that the crucible body 203 can be automatically put into and taken out of the sintering mechanism 3, replacing the traditional manual carrying step of the crucible, significantly reducing the labor intensity and improving the operation safety. During the sintering process, the cooling mechanism 5 can cool the crucible body 203 on the other side, at the same time, the first hydraulic cylinder 204 on this side can also be started synchronously, and cooperates with the servo motor 206 to overturn the pneumatic gripper 207, so that the cooled material can fall into the discharging mechanism 4, realizing automatic discharging and continuous production.

[0026] The first frame body 1 is fixed with a circular guide rail 209 on the top, and a first sliding block 210 is slidably connected to the surface of the circular guide rail 209. The top of the first sliding block 210 is fixedly connected with the bottom of the rotating plate 202.

[0027] By the above technical scheme, when the rotating plate 202 is driven by the rotary cylinder 201, the first sliding block 210 slides along the annular track of the circular guide rail 209, limiting the radial displacement of the rotating plate 202, and ensuring the stability of the rotating process.

[0028] The sintering mechanism 3 comprises a sintering box 301, a plurality of heaters 302 are installed in the inside of the sintering box 301, two second hydraulic cylinders 303 are fixed on the surface of the sintering box 301, a closing plate 304 is fixed at one end of the second hydraulic cylinder 303, and two air inlet and outlet valves 305 are communicated with the top of the sintering box 301.

[0029] By the above technical scheme, the heaters 302 can increase the temperature by resistance or electromagnetic induction, the second hydraulic cylinders 303 drive the closing plate 304 to open and close the sintering box 301, the air inlet and outlet valves 305 introduce inert gas and maintain a positive pressure environment, preventing graphite oxidation, and meeting the process requirements of high-temperature sintering.

[0030] The discharging mechanism 4 comprises a second frame body 401, a limiting shell 402 is fixed on the top of the second frame body 401, a pressure sensor 403 is fixed on the inner wall of the limiting shell 402, and a material collecting box 404 is slidably connected to the top of the pressure sensor 403.

[0031] Through the technical scheme, the limiting shell 402 is used for limiting the position of the material collecting box 404, the pressure sensor 403 monitors the weight of the material collecting box 404 in real time, when the sintered crucible body 203 is rotated to the discharging station, the first hydraulic cylinder 204 pushes out the crucible body 203, and the servo motor 206 tilts the crucible body 203, the graphite raw material falls into the material collecting box 404, and the pressure sensor 403 reaches the preset threshold value and transmits a signal to the controller 6.

[0032] The cooling mechanism 5 comprises a third frame body 501, a water chiller 505 and a serpentine pipe 502, a plurality of heat-conducting sheets 503 are fixed on the surface of the serpentine pipe 502, the surface of the heat-conducting sheet 503 is fixedly connected with the surface of the third frame body 501, a fan 504 is fixed on the surface of the heat-conducting sheet 503, the surface of the water chiller 505 is communicated with a delivery pump 506, the liquid delivery end of the delivery pump 506 is communicated with one end of the serpentine pipe 502 through a pipeline, and the other end of the serpentine pipe 502 is communicated with the water chiller 505 through a pipeline.

[0033] Through the technical scheme, the water chiller 505 and the delivery pump 506 can drive the cooling liquid to circulate in the serpentine pipe 502, the heat-conducting sheet 503 exchanges heat of the serpentine pipe 502, and the fan 504 accelerates air flow, so that heat on the surface of the serpentine pipe 502 and the heat-conducting sheet 503 can be blown to one side of the crucible body 203, rapid cooling is realized, and efficient cooling support is provided for continuous operation.

[0034] The arc-shaped clamping plate 208 is made of ceramic material.

[0035] Through the technical scheme, the low thermal conductivity of the ceramic reduces the heat transfer to the pneumatic clamping grab 207, and the high-temperature resistance of the ceramic ensures that the arc-shaped clamping plate 208 is used stably for a long time, and high-temperature deformation is avoided.

[0036] The rotating plate 202 is fixed with four linear guides 211 on the surface, the linear guides 211 are slidingly connected with second sliding blocks 212 on the surface, the second sliding blocks 212 are fixed with connecting plates on the top, and the connecting plates are fixedly connected with the bottom of the protective shell 205.

[0037] Through the technical scheme, when the first hydraulic cylinder 204 drives the protective shell 205 to move, the second sliding block 212 translates along the linear guide 211 with the connecting plate, and the linear precision is improved.

[0038] In use, the rotary cylinder 201 can drive the rotating plate 202 to rotate periodically, and drive the two crucible bodies 203 to circulate and switch between the sintering mechanism 3 and the cooling mechanism 5, when the sintering work is needed to be carried out, first, the graphite raw material is added into the inside of the crucible body 203, then the rotary cylinder 201 drives the crucible body 203 with the raw material to rotate to the side of the sintering box 301, at this time, the first hydraulic cylinder 204 on this side is started, so that the crucible body 203 can be sent into the inside of the sintering mechanism 3, thereby realizing the automatic putting-in and taking-out of the crucible body 203 from the sintering mechanism 3, after the high-temperature treatment is completed in the sintering box 301, the rotary cylinder 201 rotates it to the side of the fan 504, that is, the cooling station, the serpentine pipe 502 and the fan 504 cooperate to rapidly cool; after the cooling is completed, the first hydraulic cylinder 204 pushes the crucible body 203 to move above the material collecting box 404, and the servo motor 206 rotates the crucible body 203, thereby realizing the automatic unloading, the pressure sensor 403 monitors the loading capacity of the material collecting box 404, then the empty crucible is returned to the cooling station, at this time, the raw material can be added again, and the next cycle is entered, thereby realizing the efficient continuous work.

[0039] Although the specific embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the specific embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A continuous operation crucible device for rapid sintering of lithium battery graphite raw material, comprising a first frame body (1), characterized in that: The first frame (1) top is provided with a rotation mechanism (2), the first frame (1) left and right sides are respectively provided with a sintering mechanism (3) and a blanking mechanism (4), one side of the first frame (1) is provided with a cooling mechanism (5), the first frame (1) top is fixed with a controller (6); The rotation mechanism (2) includes a rotary air cylinder (201), the rotary air cylinder (201) is fixed on the top of the first frame (1), the rotary air cylinder (201) top is fixed with a rotating plate (202), the rotary air cylinder (201) top is provided with two crucible bodies (203), the rotary air cylinder (201) top is fixed with two first hydraulic cylinders (204), one end of the first hydraulic cylinder (204) is fixed with a protective shell (205), the protective shell (205) is internally fixed with a servo motor (206), the servo motor (206) output shaft penetrates the protective shell (205) and is fixed with a pneumatic gripper (207), the pneumatic gripper (207) moving part surface is fixed with an arc clamping plate (208), the crucible body (203) is located on the inner side of the arc clamping plate (208).

2. A continuous operation crucible device for rapid sintering of graphite raw material for lithium batteries according to claim 1, characterized in that: The first frame (1) top is fixed with a circular guide rail (209), the circular guide rail (209) surface is slidably connected with a first sliding block (210), the first sliding block (210) top is fixedly connected with the bottom of the rotating plate (202).

3. The continuous operation crucible device for rapid sintering of graphite raw material for lithium battery according to claim 1, characterized in that: The sintering mechanism (3) includes a sintering box (301), a plurality of heaters (302) are installed in the sintering box (301), the sintering box (301) surface is fixed with two second hydraulic cylinders (303), one end of the second hydraulic cylinder (303) is fixed with a sealing plate (304), the sintering box (301) top is communicated with two air inlet and outlet valves (305).

4. The continuous operation crucible device for rapid sintering of graphite raw material for lithium battery according to claim 1, characterized in that: The blanking mechanism (4) includes a second frame (401), the second frame (401) top is fixed with a limiting shell (402), the limiting shell (402) inner wall is fixed with a pressure sensor (403), the pressure sensor (403) top is slidably connected with a material collecting box (404).

5. The continuous operation crucible device for rapid sintering of graphite raw material for lithium battery according to claim 1, characterized in that: The cooling mechanism (5) includes a third frame (501), a water chiller (505) and a serpentine pipe (502), a plurality of heat conduction fins (503) are fixed on the surface of the serpentine pipe (502), the surface of the heat conduction fin (503) is fixedly connected with the surface of the third frame (501), a fan (504) is fixed on the surface of the heat conduction fin (503), the surface of the water chiller (505) is communicated with a delivery pump (506), the liquid delivery end of the delivery pump (506) is communicated with one end of the serpentine pipe (502) through a pipeline, the other end of the serpentine pipe (502) is communicated with the water chiller (505) through a pipeline.

6. A continuous operation crucible device for rapid sintering of graphite raw material for lithium battery according to claim 1, characterized in that: The arc clamping plate (208) is made of ceramic material.

7. The continuous operation crucible device for rapid sintering of graphite raw material for lithium battery according to claim 1, characterized in that: The rotating plate (202) surface is fixed with four linear guides (211), the linear guide (211) surface is slidably connected with a second sliding block (212), the second sliding block (212) top is fixed with a connecting plate, and the connecting plate top is fixedly connected with the bottom of the protective shell (205).

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