Automatic conveying equipment for high-temperature air conveying heat treatment of waste pole pieces

Abstract

The utility model relates to the technical field of waste lithium ion battery recycling, in particular to waste pole piece high-temperature air-conveying heat treatment automatic conveying equipment which comprises a heat treatment channel, and the heat treatment channel comprises a heating channel and a conveying mechanism used for conveying waste pole pieces in the heating channel; universal wheels are arranged at the bottom of the heat treatment channel; a gas conveying flow channel is arranged in the heating channel, and a heating rod is arranged in the gas conveying flow channel; the air conveying flow channel can convey hot air to the conveying mechanism and heat the waste pole pieces through the hot air. Air in the air conveying flow channel is heated through the heating rod, and then the waste pole pieces on the conveying mechanism are heated through the air in the air conveying flow channel, so that indirect heating of the air is facilitated to replace original direct heating of the heating rod, and interference of factors such as infrared rays generated in the direct heating process of the heating rod is avoided; and meanwhile, hot air can heat the waste pole pieces from different positions of the waste pole pieces at the same time, the heating temperature of the waste pole pieces is more uniform, and the heat treatment effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of waste lithium-ion battery recycling, in particular to automatic conveying equipment for high-temperature air transport heat treatment of waste pole pieces. Background Art

[0002] The recycling of waste pole pieces generally undergoes heat treatment; the heat treatment process is mainly used to achieve the failure of the pole piece adhesive, so that the subsequent process can better achieve the effective separation of black powder on the battery pole piece and more effectively recycle waste lithium-ion batteries. In the prior art, the heat treatment process of waste pole pieces generally uses a heating tube to directly heat the waste pole pieces processed in batches. The heating tube can only heat the waste pole piece on one side, and the heat treatment temperature is uneven; directly heating with a heating rod can easily lead to different heating temperatures for waste pole pieces at different positions and different positions of the same waste pole piece during the waste pole piece processing process, resulting in poor heat treatment effect. Utility Model Content

[0003] In view of the problems existing in the prior art, the purpose of the utility model is to provide an automatic conveying equipment for high-temperature air transportation heat treatment of waste electrodes, so as to solve the problem of uneven heating temperature of waste electrodes caused by directly using heating rods to heat treat the waste electrodes in the prior art.

[0004] An automatic conveying device for high-temperature air transport heat treatment of waste electrodes, comprising a heat treatment channel, the heat treatment channel comprising a heating channel and a transport mechanism for transporting the waste electrodes in the heating channel;

[0005] The heating channel is provided with a gas flow channel, and a heating rod is provided in the gas flow channel; the gas flow channel can transport hot air to the transport mechanism and heat the waste electrode by the hot air.

[0006] Furthermore, the air transport flow channel includes a first flow channel arranged at the top of the heating channel, a second flow channel arranged on both sides of the heating channel and connected to the first flow channel, and a third flow channel arranged in the middle of the heating channel and connected to the second flow channel; the first flow channel is connected to the inside of the heating channel, and a wind wheel connected to the air transport motor is arranged in the first flow channel; the second flow channel and the third flow channel are respectively provided with air outlets on the sides close to the transport mechanism.

[0007] Furthermore, the heating rods are respectively disposed in the second flow channel and the third flow channel.

[0008] Furthermore, an inspection door is provided on one side of the heating channel.

[0009] Furthermore, the heat treatment channel includes a feed channel arranged at one end of the heating channel, and an automatic loading robot and a first exhaust channel are arranged on the top of the feed channel.

[0010] Furthermore, the heat treatment channel includes a discharge channel arranged at the other end of the heating channel, and a second exhaust channel is arranged on the top of the discharge channel.

[0011] Furthermore, the transport mechanism includes a drive motor, a belt, a roller, a drive chain and a carrier; the roller includes a first roller arranged in a feed channel and a second roller arranged in a discharge channel; drive chains are arranged on both sides of the belt, and the drive chain is used for transmission between the first roller and the second roller; a carrier is installed on the drive chain, and the carrier is used to place waste pole pieces; the drive motor is used to drive the first roller or the second roller to rotate.

[0012] Furthermore, the carrier is provided with a mounting groove for placing waste pole pieces; and the carrier is arranged at an angle.

[0013] Furthermore, an adjusting air plate is provided between the heating channel and the feeding channel; and an adjusting air plate is provided between the heating channel and the discharging channel.

[0014] Beneficial effects: The utility model heats the air in the air flow channel through the heating rod, and the gas in the air flow channel heats the waste electrodes on the transport mechanism, so that the indirect heating of the air replaces the original direct heating of the heating rod, avoiding the interference of factors such as infrared rays generated during the direct heating process of the heating rod. At the same time, the hot air can heat the waste electrodes from different positions of the waste electrodes at the same time, so the heating temperature of the waste electrodes is more uniform and the heat treatment effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the specification will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic structural diagram of a side surface of an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of another side of the implementation of the utility model;

[0019] Figure 4 The internal structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 5 The internal structure of the embodiment of the utility model is shown in FIG. Figure 2 .

[0021] In the figure: 1. Automatic feeding platform; 2. Material receiving conveyor line; 31. Feeding channel; 311. Automatic loading robot; 312. First exhaust channel; 32. Heating channel; 321. Air conveying motor; 322. Wind wheel; 323. Air flow channel; 3231. First flow channel; 3232. Second flow channel; 3233. Third flow channel; 324. Heating rod; 325. Inspection door; 33. Discharging channel; 331. Adjusting wind plate; 332. Second exhaust channel; 34. Transport mechanism; 341. Roller; 342. Driving chain; 343. Carrier; 35. Universal wheel; 351. Locking mechanism. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention are described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are one-channel embodiments of the present invention, rather than full-channel embodiments. For ease of explanation, the terms "vertical", "horizontal", "left", "right", "upper", "lower", "inner", "outer", "bottom channel", etc. used in this specification indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0023] It should be noted that the embodiments of the present invention and the features involved in the embodiments can be combined with each other without conflict. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0024] like Figure 1-Figure 5 The shown embodiment is an automatic conveying device for high-temperature air transport heat treatment of waste electrodes, comprising an automatic feeding platform 1, a heat treatment channel and a material receiving conveying line 2 arranged in sequence from left to right; the automatic feeding platform 1 is used to convey the waste electrodes to the heat treatment channel, the heat treatment channel is used to heat treat the waste electrodes, and the material receiving conveying line 2 is used to receive the processed waste electrodes in the heat treatment channel and transmit them to other subsequent processing processes.

[0025] The heat treatment channel includes a feed channel 31, a heating channel 32, and a discharge channel 33, which are arranged from left to right in sequence, and a transport mechanism 34 arranged inside the feed channel 31, the heating channel 32, and the discharge channel 33 for loading and transporting waste electrodes;

[0026] A gas flow channel 323 is provided in the heating channel 32, and a heating rod 324 is provided in the gas flow channel 323; the heating rod 324 is used to heat the gas in the gas flow channel 323, and the gas flow channel 323 is used to transport the hot gas generated after heating to the inside of the heating channel 32, and heat the waste electrodes on the transportation mechanism 34 by the hot gas.

[0027] In this embodiment, the transport mechanism 34 is used to load and transport the waste electrodes. During the transportation process, the waste battery electrodes pass through the feed channel 31, the heating channel 32 and the discharge channel 33 in sequence; while the waste electrodes are transported to the heating channel 32, the heating rod 324 in the transport channel 323 will heat the gas in the transport channel 323, and the heated gas will be transmitted into the heating channel and heat the waste electrodes on the transport mechanism 34; the device heats the gas by the heating rod 324, and the process of heat treating the waste electrodes with the heated gas is an indirect heating method; compared with directly using the heating rod 324 to heat the waste electrodes, this indirect heating method can avoid the problem of unilateral heating, can avoid the interference of infrared rays on the heating rod 324, and can ensure that the heat treatment temperature of the waste electrodes is more uniform.

[0028] The gas transport channel 323 includes a first flow channel 3231 arranged at the top of the heating channel 32, a second flow channel 3232 arranged on both sides of the heating channel 32, and a third flow channel 3233 arranged in the middle of the heating channel 32; the first flow channel 3231 is longitudinally arranged, and the two ends are respectively connected to the second flow channel 3232, and the bottom end of the second flow channel 3232 is connected to the longitudinally arranged third flow channel 3233; in this embodiment, three first flow channels 3231 are arranged, which can transport gas faster.

[0029] The top surface of the heating channel 32 is provided with an air conveying motor 321, which is arranged vertically. The output shaft at the bottom of the air conveying motor 321 extends downward through the top wall of the first flow channel 3231 and is connected to the wind wheel 322 located in the first flow channel 3231; the bottom wall of the first flow channel 3231 is provided with an opening that is connected to the inside of the heating channel 32, and the opening is used to transport the gas inside the heating channel 32 to the first flow channel 3231 in coordination with the rotation of the wind wheel 322; the side wall of the second flow channel 3232 close to the transport mechanism 34 is provided with an air outlet, and the top of the third flow channel 3233 is provided with an air outlet; a plurality of longitudinally arranged heating rods 324 are respectively provided in the second flow channel 3232 and the third flow channel 3233. The heating rod 324 in the second flow channel 3232 is not shown in the figure. The heating rod 324 is a prior art and will not be described in detail here.

[0030] In this embodiment, the wind conveying motor 321 is started, and the wind conveying motor 321 drives the wind wheel 322 to rotate; the wind wheel 322 attracts the gas in the heating channel 32 into the first flow channel 3231, and then transports the gas to the second flow channel 3232 and the third flow channel 3233, and the heating rods 324 in the second flow channel 3232 and the third flow channel 3233 heat the gas, and the heated gas moves from the air outlets of the second flow channel 3232 and the third flow channel 3233 to the heating channel 32, and heats the waste electrode in the heating channel 32; the waste electrode on the transportation mechanism 34 is heated by the hot air from both sides and the hot air from the bottom, the whole is heated evenly, and the heat treatment effect is good.

[0031] The outsides of the feed channel 31, the heating channel 32 and the discharge channel 33 are respectively provided with heat insulation panels for heat preservation; a maintenance door 325 is hinged on one side of the heat insulation panel cover of the heating channel 32. Adjustment air plates 331 are respectively provided between the heating channel 32 and the feed channel 31 and between the heating channel 32 and the discharge channel 33. The adjustment air plates 331 are located on the upper side of the transport mechanism 34.

[0032] In this embodiment, the heat insulation cover is used to maintain the heating temperature in the heat treatment channel, and the inspection door 325 is used to facilitate inspection. The regulating wind plate 331 is used to reduce the flow of hot air in the heating channel 32 and minimize the loss of hot air in the heating channel 32.

[0033] A plurality of universal wheels 35 are arranged at the bottom of the heat treatment channel, and a locking mechanism 351 is arranged at the universal wheels 35 .

[0034] In this embodiment, the universal wheel 35 is used to facilitate the movement of the device, and the locking mechanism 351 can be used to lock the universal wheel 35 to control the movement of the universal wheel 35.

[0035] The feed channel 31 is arranged at one end of the heating channel 32 close to the automatic feeding platform 1, and an automatic loading manipulator 311 is arranged on the top of the feed channel 31, and the automatic loading manipulator 311 is used to move the waste electrode on the automatic feeding platform 1 to the transportation mechanism 34. The automatic feeding platform 1 and the automatic loading manipulator 311 are prior art and will not be described in detail here. A first exhaust pipe 312 is arranged on the top of the heat insulation board cover of the feed channel 31.

[0036] In this embodiment, the automatic loading robot 311 is used to facilitate material transportation; the first exhaust pipe 312 is used to extract gas to prevent hot air from flowing out and causing the air temperature outside the device to rise, thereby avoiding possible dangers.

[0037] The discharge channel 33 is arranged at one end of the heating channel 32 close to the material receiving conveying line 2 , and a second air extraction channel 332 is arranged on the top of the discharge channel 33 .

[0038] In this embodiment, the second exhaust pipe 332 is used to extract gas to avoid the increase in air temperature outside the device caused by the outflow of hot air, thereby avoiding possible dangers.

[0039] The transport mechanism 34 includes a driving motor, a roller 341, a driving chain 342, a high temperature resistant belt and a carrier 343; the roller 341 includes a first roller and a second roller, the first roller is longitudinally installed in the feed channel 31, the first roller is rotatably connected to the side wall of the feed channel 31, the second roller is longitudinally installed in the discharge channel 33, and the two ends of the second roller are rotatably connected to the two side walls of the discharge channel 33; the driving motor is used to drive the first roller or the second roller to rotate, the first roller and the second roller are provided with a high temperature resistant belt, the two sides of the belt are provided with a driving chain 342, and the first roller and the second roller are driven by the driving chain 342; the driving chain 342 is connected to a plurality of carriers 343 arranged at intervals in a transverse direction; the carrier 343 is provided with a placement groove, and the placement groove is used to place the waste pole piece. The driving motor and the belt are prior art and are not shown in the figure.

[0040] In this embodiment, the transport mechanism 34 has a simple structure and is easy to use. It can also load more waste electrodes and improve the batch processing speed of waste electrodes. The third flow channel 3233 is arranged between the two rollers 341. The hot air output from the third flow channel 3233 can heat the waste electrodes in the carrier 343 on the upper side of the belt. The carrier 343 is arranged at an angle.

[0041] Working principle: the automatic feeding platform 1 transports the waste electrode to the heat treatment channel, the automatic loading robot 311 grabs the waste electrode on the automatic feeding platform 1, and places the waste electrode in the mounting groove on the carrier 343; the carrier 343 transports the waste electrode to the heating channel 32; the gas in the air flow channel 323 enters the heating channel 32 from the two sides and the middle of the transportation mechanism 34, and heats the waste electrode in the carrier 343; after the waste electrode in the heating channel 32 is heat-treated and transported to the discharge channel 33, the carrier 343 at the end of the transportation mechanism 34 rotates clockwise, and then the waste electrode falls to the material receiving conveyor line 2, and is transported to the subsequent process via the material receiving conveyor line 2 for corresponding treatment.

[0042] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An automatic conveying device for high-temperature air transport heat treatment of waste electrodes, characterized in that: The heat treatment channel includes a heating channel and a transport mechanism for transporting waste electrodes in the heating channel; The heating channel is provided with a gas flow channel, and a heating rod is provided in the gas flow channel; the gas flow channel can transport hot air to the transport mechanism and heat the waste electrode by the hot air.

2. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 1 is characterized in that: The air transport flow channel includes a first flow channel arranged at the top of the heating channel, a second flow channel arranged at both sides of the heating channel and connected to the first flow channel, and a third flow channel arranged in the middle of the heating channel and connected to the second flow channel; the first flow channel is connected to the inside of the heating channel, and a wind wheel connected to the wind transport motor is arranged in the first flow channel; the second flow channel and the third flow channel are respectively provided with air outlet holes on the sides close to the transport mechanism.

3. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 2 is characterized in that: The heating rods are respectively arranged in the second flow channel and the third flow channel.

4. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 3 is characterized in that: A maintenance door is arranged on one side of the heating channel.

5. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 1 is characterized in that: The heat treatment channel comprises a feed channel arranged at one end of the heating channel, and an automatic loading robot and a first air extraction channel are arranged on the top of the feed channel.

6. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 5 is characterized in that: The heat treatment channel comprises a discharge channel arranged at the other end of the heating channel, and a second exhaust channel is arranged on the top of the discharge channel.

7. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 6 is characterized in that: The transport mechanism includes a drive motor, a belt, a roller, a drive chain and a carrier; the roller includes a first roller arranged in a feed channel and a second roller arranged in a discharge channel; drive chains are arranged on both sides of the belt, and the drive chain is used for transmission between the first roller and the second roller; a carrier is installed on the drive chain, and the carrier is used for placing waste pole pieces; the drive motor is used to drive the first roller or the second roller to rotate.

8. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 7 is characterized in that: The carrier is provided with a mounting groove for placing waste electrodes; the carrier is arranged at an angle.

9. The automatic conveying equipment for high-temperature air transport heat treatment of waste electrodes according to claim 6 is characterized in that: An adjusting air plate is arranged between the heating channel and the feeding channel; and an adjusting air plate is arranged between the heating channel and the discharging channel.

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