CN116237337A - Lithium battery crushing and separation line - Google Patents

Abstract

The invention relates to a crushing and separating line for lithium batteries, which belongs to the field of crushing and recycling lithium batteries. It includes a crushing and separating line body, which includes a heating mechanism located at its feeding end. The conveying device and the feeding device, the feeding device is arranged above the right part of the conveying device, and the left part of the conveying device is covered with a heating cover; the feeding device includes a mounting frame fixed on the frame, which can vibrate The conveying plate arranged on the installation frame and the blanking barrel fixedly arranged on the frame; the upper and lower ends of the blanking barrel are opened, and the blanking barrel is provided with an openable and closable valve for blocking the blanking The blocking plate of the barrel; the right end of the conveying plate is inclined downward and extends to the top of the upper opening of the blanking barrel. The middle part of the conveying plate is provided with a window that runs through the conveying plate, and a screen is arranged in the window. The invention can effectively improve the efficiency of crushing and recycling waste lithium batteries in a crushing and separating line.

Description

Lithium battery crushing and separation line

technical field

The invention relates to the field of crushing and recycling of lithium batteries, in particular to a lithium battery crushing and separation line.

Background technique

Lithium batteries are mainly composed of casing, positive electrode, negative electrode, electrolyte and separator. The positive electrode is usually dispersed in a solvent with positive active materials, conductive agents and binders to form a uniform colloidal mixture, which is then coated on aluminum foil. Conductive agent It is usually a graphite compound that can increase the conductivity of the active material; the structure of the negative electrode is similar to that of the positive electrode, and it can usually be formed by bonding the carbon powder of the negative electrode active material on the copper foil. Lithium batteries contain high-value metal resources such as cobalt, lithium, and nickel. By recycling waste lithium batteries, high-value metals such as cobalt, lithium, and nickel can be recovered and recycled.

Nowadays, lithium battery crushing and separation lines are usually used to separate different materials in lithium batteries by crushing and screening, so that different materials in lithium batteries can be classified and recycled; among them, before crushing waste lithium batteries, It is necessary to heat and dry the waste lithium battery to remove the moisture therein.

Now the heating process for waste lithium batteries is generally as follows: use the conveying device to uniformly transport the recovered waste lithium batteries, make them pass through the heating zone for heating waste lithium batteries, and complete the heating of waste lithium batteries. However, due to the recycling The waste lithium batteries usually have different sizes, and the heating time required for different volumes of lithium batteries to evaporate water in the same temperature environment is different. The larger the volume, the longer the heating time required. Therefore, in order to evaporate When the moisture of all the waste lithium batteries transported by the conveying device is exhausted, it is necessary to use the waste lithium battery with the largest volume as the standard to adjust the heating time of the waste lithium batteries conveyed by the conveying device (the time when the waste lithium batteries are located in the heating zone), so that It will cause the small waste lithium battery to be overheated, that is, the actual heating time of the small waste lithium battery is much longer than the required heating time, which will cause unnecessary time cost in the heating process of the waste lithium battery waste, reducing the efficiency of the lithium battery crushing and separation line for the crushing and recycling of waste lithium batteries.

Contents of the invention

Based on this, it is necessary to provide a crushing and separating line for lithium batteries, including a crushing and separating line body, the crushing and separating line body includes a heating mechanism at its feeding end, the heating mechanism includes a frame and is arranged on the frame The conveying device and the feeding device, the feeding device is arranged above the right part of the conveying device, and the left part of the conveying device is covered with a heating cover; the feeding device includes a fixed The mounting frame on the frame, the conveying plate vibrated on the mounting frame, and the blanking bucket fixed on the frame; the upper and lower ends of the blanking bucket are all open, And the blanking barrel is provided with an openable and closable blocking plate for blocking the blanking barrel; the right end of the conveying plate is inclined downward and extends to the top of the upper opening of the blanking barrel , the middle part of the conveying plate is provided with a window penetrating through the conveying plate, a screen is arranged in the window, and the upper surface of the screen is arranged flush with the upper surface of the conveying plate. Wherein, the conveying plate is vibrately installed on the mounting frame through a spring, and a vibrating motor is arranged on the conveying plate for vibrating the conveying plate.

In the present invention, the crushing and separation line body is a production line for crushing and separating waste lithium batteries, and the feeding end of the crushing and separation line body is the end of the crushing and separation line body for feeding waste lithium batteries, that is, the process of the crushing and separation line begins One end of the crushing and separation line, wherein the crushing and separation line body includes a heating mechanism, a first crusher, a first cyclone dust collector, a Z-type separator, and a second crusher, which are sequentially arranged from the feeding end and connected sequentially through a conveying channel , trommel screen, air separator and second cyclone dust collector. Among them, the heating mechanism is used to heat the waste lithium battery to remove the moisture in the lithium battery, and the conveying device in the heating mechanism is connected to the first crusher through the conveying channel to transport the heated waste lithium battery to the first crusher crushing; the first crushing mechanism is used to crush the waste lithium battery for the first time; the first cyclone collector is used to collect the dust generated when the first crusher crushes the lithium battery; the Z-type separator is used to screen out the crushed Diaphragm debris in waste lithium battery fragments; the second crusher is used to continue crushing waste lithium battery fragments to obtain waste lithium battery powder; drum sieve is used to screen out positive electrode material powder and negative electrode material powder in waste lithium battery powder The airflow separator is used to screen the copper powder and aluminum powder in the waste lithium battery powder; the second cyclone integrator is used to collect the powder produced by the waste lithium battery in the crushing process of the second crusher.

In the present invention, the heating mantle is arranged on the conveying device, and the area covered by the heating mantle is the heating area for heating the waste lithium battery. When the conveying device transports the waste lithium battery through the heating mantle, it can be heated to remove the moisture therein The feeding device is used to transport the recovered waste lithium batteries to the conveying device, and the conveying device is used to convey the waste lithium batteries on it and make it pass through the heating mantle for heating the waste lithium batteries, wherein the conveying device The speed determines the time for the waste lithium battery to pass through the heating hood, that is, determines the heating time of the waste lithium battery.

In the present invention, the use method of the feeding device is as follows: firstly, pour a batch of waste lithium batteries on the left end of the conveying plate, and then vibrate the conveying plate, so that the waste lithium batteries with smaller volumes that can pass through the screen pass through the screen Falling on the conveying device, it is conveyed by the conveying device to pass through the heating mantle, and the larger waste lithium batteries that cannot pass through the screen slide down into the discharge barrel along the inclination of the conveying plate, and are blocked by the blocking plate in the falling barrel. In the material barrel; when no waste lithium battery falls on the conveying device through the screen, open the blocking plate in the discharge barrel, so that the waste lithium battery in the discharge barrel falls onto the conveying device, and is transported by the conveying device Convey to and pass through the heating mantle; then pour the next batch of waste lithium batteries on the left end of the conveying plate, and so on. Wherein, baffles can be set on the front and rear edges of the conveying plate to prevent the waste lithium batteries from slipping off from the front and rear edges of the conveying plate.

It can be seen that when the feeding device of the present invention is transporting waste lithium batteries, the waste lithium batteries can be sieved into smaller waste lithium batteries and larger waste lithium batteries, so that the smaller waste lithium batteries and Larger waste lithium batteries can be transported separately by the conveying device. At this time, by appropriately increasing the conveying speed of the conveying device when the conveying device conveys small-volume waste lithium batteries, the waste lithium batteries with smaller volumes can be heated. The time is shortened so that it is closer to the time required for evaporating the water. Compared with the uniform heating time for waste lithium batteries of all specifications, the present invention can effectively reduce the time for heating the waste lithium batteries and evaporating the water therein, thereby It can effectively improve the efficiency of crushing and recycling waste lithium batteries in the crushing and separation line.

Wherein, for the heating time of the waste lithium battery with smaller volume, it can be adjusted according to the required heating time of the largest waste lithium battery that can pass through corresponding to the mesh size of the screen.

Further, the conveying device includes a first driving roller and a second driving roller rotatably arranged on the frame, and a conveyor belt sleeved on the first driving roller and the second driving roller, so One of the first transmission roller and the second transmission roller is drivingly connected to the servo motor provided on the frame, and the first transmission roller and the second transmission roller are arranged at the same level. Wherein, baffles can be provided on the front and rear edges of the conveyor belt to prevent the waste lithium batteries from slipping off from the front and rear edges of the conveyor belt.

In the present invention, the servo motor is used to drive the first transmission roller or the second transmission roller connected to it to rotate, and then realize the conveyance of the waste lithium battery by the conveyor belt, wherein the conveyance of the conveying device can be adjusted by controlling the speed of the servomotor speed.

Further, the blanking barrel is in the shape of a square barrel, and the blocking plate includes a first blocking plate and a second blocking plate pivotally connected to the left and right side walls of the discharging barrel, and the first The opposite ends of the blocking plate and the second blocking plate are arranged against each other; the front side wall or the rear side wall of the dropping bucket is also provided with a hole that runs through the first blocking plate and the second blocking plate. The first adjustment groove and the second adjustment groove on the side wall of the blanking bucket, the first adjustment groove and the second adjustment groove are vertically arranged and located below the corresponding first blocking plate and the second blocking plate, And the upper ends of the first adjusting groove and the second adjusting groove are set flush with the lower surfaces of the first blocking plate and the second blocking plate respectively, and the inside of the first adjusting groove and the second adjusting groove can also be set up and down There are first support rods and second support rods, and the first support rods and the second support rods are extended into the discharge bucket.

In the present invention, the first support rod and the second support rod are arranged horizontally, which can be arranged in the first adjustment groove and the second adjustment groove in a liftable manner through the servo cylinder, and by raising the first support rod and the second support rod to The tops of the first adjustment tank and the second adjustment tank can close the sealing plate, and the larger waste lithium battery can be blocked in the blanking bucket, so as to prevent the large volume of waste lithium battery and the conveying device in the blanking bucket. The waste lithium battery with smaller volume on the top is mixed, by lowering the first support rod and the second support rod, the opposite ends of the first blocking plate and the second blocking plate can be rotated downward, thereby opening the blocking plate, so that the blanking The larger spent lithium batteries in the bucket fall onto the conveyor belt.

Further, a limit frame is also fixedly arranged on the installation frame, the limit frame is located below the conveying plate, and a passage window is formed on the limit frame, and the pass window is located at the side of the window below, and the edge of the passing window is connected to the edge of the window through a cylindrical flexible cylinder.

In the present invention, the flexible tube can be a cloth tube, which is connected between the edge of the window and the edge of the window, and can play a guiding role for the small waste lithium battery falling through the screen, so that it can be smoothly dropped onto the conveyor.

Further, a light curtain sensor is arranged below the limit frame, the transmitting end and the receiving end of the light curtain sensor are respectively located at the left and right ends of the limit frame, and the light curtain sensor and the servo motor communication connection.

In the present invention, the light curtain sensor covers the lower area of the passing window and is used to detect whether there are waste lithium batteries falling from the passing window. It communicates with the servo motor through a single-chip microcomputer. The single-chip microcomputer is used to receive signals from the light curtain sensor and Correspondingly control the speed of the servo motor. Among them, when a waste lithium battery passes through the light curtain sensor, it indicates that a waste lithium battery falls through the screen. At this time, the conveying device transports a small waste lithium battery. signal, the servo motor is controlled to increase the speed, and the conveying speed of the conveying device is increased to the conveying speed for conveying small-volume waste lithium batteries, and the conveying device can be used to convey small-volume waste lithium batteries; If the single-chip microcomputer does not receive the signal from the light curtain sensor within the preset time, for example, 20s, it indicates that all the small waste lithium batteries on the conveying board have been dropped. Large waste lithium batteries, at this time, the single-chip microcomputer controls the servo motor to reduce the speed, and the conveying speed of the conveying device is reduced to the original preset speed, which can make the conveying device suitable for the conveying of larger waste lithium batteries; that is, the present invention can Automatically switch the conveying speed of the conveying device, which can avoid manual control and is convenient to use.

In addition, the single-chip microcomputer is also connected with the communication that drives the first support rod and the second support rod to move up and down. When the single-chip microcomputer does not receive a signal from the light curtain sensor within a preset time, such as 20s, it controls the first support rod and the second support rod. When the second support rod moves down, the larger waste lithium battery in the dropping barrel can be dropped onto the conveying device, so that the conveying device can transport the larger waste lithium battery; when the light curtain sensor receives the When receiving the signal from the light curtain sensor, the single-chip microcomputer controls the first support rod and the second support rod to move up to the top of the first adjustment groove and the second adjustment groove, so that the larger volume can be slid through the conveying plate into the blanking bucket. The waste lithium battery is blocked in the discharge barrel, so that the conveying device only transports the waste lithium battery with a small volume.

Further, the heating cover includes a closed cover set on the conveying device, and the cover is provided with a passage for the conveyor belt to pass through, and for the upper part of the conveyor belt to The passage through the slot extends upwards to form an expansion slot for lithium batteries to pass through; a number of heating components are also arranged on the inner side wall of the cover, and the heating components are located below the upper part of the conveyor belt and are located on the Above the lower part of the conveyor belt; the top of the cover is also provided with some air outlet holes, the air outlet pipe is connected with an air outlet pipe, and an exhaust fan is arranged in the air outlet pipe; the conveyor belt has several Mesh metal mesh. Wherein, the upper part of the conveyor belt refers to the part where the conveyor belt is flush with the upper ends of the first drive roller and the second drive roller, and the lower part of the conveyor belt refers to the part where the conveyor belt is flush with the lower ends of the first drive roller and the second drive roller. part.

In the present invention, the expansion groove on the cover body is used for the waste lithium battery transported by the conveyor belt, so that the waste lithium battery can smoothly enter the inside of the cover body; the heating assembly located under the upper part of the conveyor belt is used for heating the cover The air in the body, the exhaust fan in the outlet pipe is used to draw the air in the cover upward, so that the hot air heated by the heating component can flow upwards to heat the waste lithium battery, and at the same time, it can carry the heated waste lithium battery to evaporate The water that comes out leaves the cover body, which can effectively increase the speed of evaporation of the water in the waste lithium battery, improve the drying efficiency of the waste lithium battery, and further improve the efficiency of lithium battery crushing and recycling.

At the same time, by connecting the outlet pipe to the exhaust gas discharge pipe, the exhaust fan can also collect the toxic and harmful gas generated by the waste lithium battery during the heating process while extracting the hot air in the cover, eliminating its potential safety hazard .

Furthermore, several air inlets are opened at the bottom of the cover.

In the present invention, the air inlet at the bottom of the cover is used for ambient air to enter the cover, ensuring that sufficient and continuous hot air can pass through the waste lithium battery to accelerate the removal of the evaporated water from the waste lithium battery, further Increase the speed of drying used lithium batteries.

Below in conjunction with above-mentioned technical scheme and accompanying drawing, principle of the present invention, effect are further described:

When the feeding device of the present invention transports waste lithium batteries, the waste lithium batteries can be sieved into smaller waste lithium batteries and larger waste lithium batteries, so that the smaller waste lithium batteries and the larger volume Large waste lithium batteries can be transported by the conveying device. At this time, by appropriately increasing the conveying speed of the conveying device when the conveying device conveys small waste lithium batteries, the heating time of small waste lithium batteries can be shortened. , so that it is closer to the time required to evaporate the water. Compared with the uniform heating time for waste lithium batteries of all specifications, the present invention can effectively reduce the time for heating waste lithium batteries and evaporating the water therein, thereby effectively Improve the efficiency of crushing and recycling waste lithium batteries in the crushing and separation line.

Description of drawings

Fig. 1 is a schematic diagram of the mechanism of the main body of the crushing and separating line according to the embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the heating mechanism described in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the cooperative structure of the feeding device and the conveying device described in the embodiment of the present invention;

Figure 4 is a partially enlarged view of Figure 3;

Fig. 5 is a schematic structural diagram of the conveying plate according to the embodiment of the present invention.

Explanation of reference signs:

100-heating mechanism, 1-frame, 2-installation frame, 31-conveying plate, 32-opening window, 34-spring, 35-vibration motor, 36-blanking barrel, 371-first blocking plate, 372-the first Two blocking plates, 381-the first adjustment groove, 382-the second adjustment groove, 391-the first support rod, 392-the second support rod, 4-limiting frame, 41-through the window, 5-light curtain sensor, 6 -flexible cylinder, 71-first drive roller, 72-second drive roller, 73-conveyor belt, 81-cover body, 811-expansion slot, 812-over slot, 813-heating assembly, 91-outlet pipe, 92- Exhaust fan, 93-exhaust gas discharge pipe, 200-the first crusher, 300-the first cyclone dust collector, 400-Z type separator, 500-the second crusher, 600-drum screen, 700-air flow Machine selection, 800-second cyclone dust collector, 900-conveying channel.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments:

Wherein, the orientations such as front, back, left, and right mentioned in the specification are subject to the accompanying drawing 1 .

As shown in Figures 1-5, a crushing and separating line for lithium batteries includes a crushing and separating line body, and the crushing and separating line body includes a heating mechanism 100 at its feeding end, and the heating mechanism 100 includes a frame 1 and is arranged on the Conveying device and feeding device on the frame 1, described feeding device is arranged on the top of the right part of described conveying device, and the left part cover of described conveying device is provided with heating mantle; Said feeding device It includes a mounting frame 2 fixedly arranged on the frame 1, a conveying plate 31 vibrated on the mounting frame 2, and a blanking barrel 36 fixedly mounted on the frame 1; The upper and lower ends of the feed barrel 36 are all open, and the blanking barrel 36 is provided with an openable and closable sealing plate for blocking the blanking barrel 36; the right end of the conveying plate 31 is inclined downward Set and extend to the top of the upper opening of the blanking bucket 36, the middle part of the conveying plate 31 is provided with a window 32 passing through the conveying plate 31, and a screen is arranged in the window 32, and the sieve The upper surface of the net is arranged flush with the upper surface of the conveying plate 31 . Wherein, the conveying plate 31 is vibrately installed on the mounting frame 2 via a spring 34 , and a vibrating motor 35 is provided on the conveying plate 31 for vibrating the conveying plate 31 .

In the present invention, the crushing and separation line body is a production line for crushing and separating waste lithium batteries, and the feeding end of the crushing and separation line body is the end of the crushing and separation line body for feeding waste lithium batteries, that is, the process of the crushing and separation line begins One end of the crushing and separation line, wherein the main body of the crushing and separation line includes a heating mechanism 100, a first crusher 200, a first cyclone dust collector 300, and a Z-type separator 400, which are sequentially arranged from the feeding end and connected sequentially through a conveying channel 900 , the second crusher 500, the drum screen 600, the airflow separator 700 and the second cyclone dust collector 800. Wherein, the heating mechanism 100 is used to heat the waste lithium battery to remove the moisture in the lithium battery, and the conveying device in the heating mechanism 100 is connected to the first crusher 200 through the conveying channel 900 to transport the heated waste lithium battery to Crushing by the first crusher 200; the structure of the first crusher 200 is used to crush the waste lithium battery for the first time; the first cyclone integrator is used to collect the dust generated when the first crusher 200 crushes the lithium battery; Z-type sorting The machine 400 is used to screen out the diaphragm debris in the crushed waste lithium battery fragments; the second crusher 500 is used to continue crushing the waste lithium battery fragments to obtain waste lithium battery powder; the drum sieve 600 is used to screen waste lithium batteries Positive electrode material powder and negative electrode material powder in the battery powder; Air flow sorter 700 is used for screening copper powder and aluminum powder in waste lithium battery powder; Powder produced during crushing.

In the present invention, the heating mantle is arranged on the conveying device, and the area covered by the heating mantle is the heating area for heating the waste lithium battery. When the conveying device transports the waste lithium battery through the heating mantle, it can be heated to remove the moisture therein The feeding device is used to transport the recovered waste lithium batteries to the conveying device, and the conveying device is used to convey the waste lithium batteries on it and make it pass through the heating mantle for heating the waste lithium batteries, wherein the conveying device The speed determines the time for the waste lithium battery to pass through the heating hood, that is, determines the heating time of the waste lithium battery.

In the present invention, the use method of the feeding device is as follows: firstly, pour a batch of waste lithium batteries on the left end of the conveying plate 31, and then the conveying plate 31 vibrates, so that the waste lithium batteries with smaller volumes that can pass through the screen can pass through The sieve falls on the conveying device and is conveyed by the conveying device to pass through the heating mantle. The larger waste lithium batteries that cannot pass through the sieve slide down to the discharge barrel 36 along the inclination of the conveying plate 31 and are blocked. The plate is blocked in the blanking bucket 36; when no waste lithium battery passes through the screen and falls onto the conveying device, the blocking plate in the blanking bucket 36 is opened, so that the waste lithium battery in the blanking bucket 36 falls to On the conveying device, it is conveyed to the heating mantle by the conveying device; then the next batch of waste lithium batteries is poured on the left end of the conveying plate 31, so reciprocating. Wherein, baffles may be provided on the front and rear edges of the conveying plate 31 to prevent the waste lithium batteries from sliding down from the front and rear edges of the conveying plate 31 .

It can be seen that when the feeding device of the present invention is transporting waste lithium batteries, the waste lithium batteries can be sieved into smaller waste lithium batteries and larger waste lithium batteries, so that the smaller waste lithium batteries and Larger waste lithium batteries can be transported separately by the conveying device. At this time, by appropriately increasing the conveying speed of the conveying device when the conveying device conveys small-volume waste lithium batteries, the waste lithium batteries with smaller volumes can be heated. The time is shortened so that it is closer to the time required for evaporating the water. Compared with the uniform heating time for waste lithium batteries of all specifications, the present invention can effectively reduce the time for heating the waste lithium batteries and evaporating the water therein, thereby It can effectively improve the efficiency of crushing and recycling waste lithium batteries in the crushing and separation line.

Wherein, for the heating time of the waste lithium battery with smaller volume, it can be adjusted according to the required heating time of the largest waste lithium battery that can pass through corresponding to the mesh size of the screen.

Further, the conveying device includes a first drive roller 71 and a second drive roller 72 rotatably arranged on the frame 1 , and is sleeved on the first drive roller 71 and the second drive roller 72 The conveyor belt 73, one of the first transmission roller 71 and the second transmission roller 72 is drivingly connected to the servo motor arranged on the frame 1, and the first transmission roller 71 and the second transmission roller The rollers 72 are arranged at the same level. Wherein, baffles may be provided on the front and rear edges of the conveyor belt 73 to prevent the waste lithium batteries from slipping off from the front and rear edges of the conveyor belt 73 .

In the present invention, the servo motor is used to drive the first transmission roller 71 or the second transmission roller 72 connected to it to rotate, and then realize the transportation of the waste lithium battery by the conveyor belt 73, wherein the transportation can be adjusted by controlling the rotation speed of the servo motor The conveying speed of the device.

Further, the blanking barrel 36 is in the shape of a square barrel, and the blocking plate includes a first blocking plate 371 and a second blocking plate 372 pivotally connected to the left and right side walls of the blanking barrel 36, and The opposite ends of the first blocking plate 371 and the second blocking plate 372 are set against each other; The second blocking plate 372 is also provided with a first adjustment groove 381 and a second adjustment groove 382 that pass through the side wall of the blanking bucket 36, and the first adjustment groove 381 and the second adjustment groove 382 are vertically arranged and located at Below the corresponding first blocking plate 371 and the second blocking plate 372, and the upper ends of the first adjusting groove 381 and the second adjusting groove 382 are flush with the bottom of the first blocking plate 371 and the second blocking plate 372 respectively. Surface setting, the first support rod 391 and the second support rod 392 can also be arranged up and down in the first adjustment groove 381 and the second adjustment groove 382, and the first support rod 391 and the second support rod 392 extends to the inside of the drop barrel 36.

In the present invention, the first support rod 391 and the second support rod 392 are arranged horizontally, which can be arranged in the first adjustment groove 381 and the second adjustment groove 382 in a liftable manner through a servo cylinder, by connecting the first support rod 391 and the second adjustment groove The two support rods 392 rise to the tops of the first adjustment groove 381 and the second adjustment groove 382 to close the sealing plate, and the larger waste lithium batteries are blocked in the blanking bucket 36 to prevent the waste and old lithium batteries from falling into the blanking bucket 36. The larger waste lithium batteries are mixed with the smaller waste lithium batteries on the conveying device. By lowering the first support rod 391 and the second support rod 392, the opposite direction of the first blocking plate 371 and the second blocking plate 372 can be made. One end is rotated downward, thereby opening the blocking plate, so that the larger waste lithium batteries in the drop bucket 36 fall onto the conveyor belt 73 .

Further, a limit frame 4 is fixedly arranged on the installation frame 2, and the limit frame 4 is located below the conveying plate 31, and a passage window 41 is formed on the limit frame 4, and the pass window 41 is located below the window 32 , and the edge of the passage window 41 is connected to the edge of the window 32 through a cylindrical flexible cylinder 6 .

In the present invention, the flexible tube 6 can be a cloth tube, which is connected between the edge of the window 32 and the edge of the window 41, and can guide the smaller waste lithium batteries falling through the screen, so that It falls smoothly onto the conveyor.

Further, a light curtain sensor 5 is arranged below the limit frame 4, and the transmitting end and the receiving end of the light curtain sensor 5 are respectively located at the left and right ends of the limit frame 4, and the light curtain sensor 5 Communicatively connected with the servo motor.

In the present invention, the light curtain sensor 5 covers the lower area of the passing window 41 and is used to detect whether there is a waste lithium battery falling from the passing window 41. It communicates with the servo motor through a single-chip microcomputer. 5 signals to control the speed of the servo motor correspondingly. Wherein, when a waste lithium battery passes through the light curtain sensor 5, it indicates that a waste lithium battery falls through the screen. At this time, what the conveying device transports is a small waste lithium battery. The signal transmitted will control the servo motor to increase the speed, and increase the conveying speed of the conveying device to the conveying speed for conveying small waste lithium batteries, and the conveying device can be used to convey small waste lithium batteries. ; When the single-chip microcomputer does not receive the signal from the light curtain sensor 5 within the preset time, such as 20s, it indicates that the smaller waste lithium batteries positioned on the conveying plate 31 have all dropped, and the conveying device conveys Larger waste lithium batteries, at this time, the single-chip microcomputer controls the servo motor to reduce the speed, and reduces the conveying speed of the conveying device to the original preset speed, which can make the conveying device suitable for the conveying of large-volume waste lithium batteries; That is to say, the present invention can automatically switch the conveying speed of the conveying device, can avoid manual control, and is convenient to use.

In addition, the single-chip microcomputer is also connected with the communication that drives the first support rod 391 and the second support rod 392 to move up and down. When the single-chip microcomputer does not receive a signal from the light curtain sensor 5 within a preset time, for example, 20s, the first support is controlled. When the rod 391 and the second support rod 392 move down, the larger waste lithium battery in the blanking bucket 36 can be dropped onto the conveying device, so that the conveying device can transport the larger waste lithium battery; when the light curtain When the sensor 5 received the signal from the light curtain sensor 5 again, the single-chip microcomputer controlled the first support rod 391 and the second support rod 392 to move up to the tops of the first adjustment groove 381 and the second adjustment groove 382, so that the conveying The larger waste lithium batteries that slide down from the plate 31 into the blanking bucket 36 are blocked in the blanking bucket 36, so that the conveying device only transports small volume waste lithium batteries.

Further, the heating cover includes a closed cover 81 covering the conveying device, and the cover 81 is provided with a passage 812 for the conveyor belt 73 to pass through, and for the conveyor belt to pass through. The slot 812 through which the upper part of the cover 73 passes extends upwards to form an expansion slot 811 for lithium batteries to pass through; a number of heating components 813 are also arranged on the inner side wall of the cover body 81, and the heating components 813 are located on the conveyor belt 73 Below the upper part of the conveyor belt 73, and above the lower part of the conveyor belt 73; the top of the cover body 81 is also provided with a number of air outlet holes, and the air outlet holes are connected with an air outlet pipe 91, and the air outlet pipe 91 is provided with an exhaust fan 92; the conveyor belt 73 is a metal mesh with several meshes. Wherein, the upper part of conveyor belt 73 refers to the part of conveyor belt 73 that is flush with the upper ends of the first drive roller 71 and the second drive roller 72, and the lower part of conveyor belt 73 refers to that conveyor belt 73 is flush with the first drive roller 71 and the second drive roller 72. A portion of the lower end of the second drive roller 72 .

In the present invention, the expansion groove 811 on the cover body 81 is used for the waste lithium battery transported by the conveyor belt 73, so that the waste lithium battery can smoothly enter the inside of the cover body 81; The component 813 is used to heat the air in the cover body 81, and the exhaust fan 92 in the air outlet pipe 91 is used to draw the air in the cover body 81 upwards, so that the hot air heated by the heating component 813 can flow upwards and heat the waste lithium battery , at the same time, it can also carry the water evaporated from the heated waste lithium battery to leave the cover body 81, which can effectively increase the speed at which the water in the waste lithium battery evaporates, improve the drying efficiency of the waste lithium battery, and further improve the lithium battery. The efficiency of crushing and recycling.

At the same time, by connecting the outlet pipe 91 to the exhaust gas discharge pipe 93, the exhaust fan 92 can also collect the toxic and harmful gases produced by the waste lithium battery during the heating process while extracting the hot air in the cover body 81. Eliminate its security risks.

Further, several air inlets are opened at the bottom of the cover body 81 .

In the present invention, the air inlet at the bottom of the cover 81 is used for ambient air to enter the cover 81 to ensure that sufficient and continuous hot air passes through the waste lithium battery to accelerate the removal of the evaporated water from the waste lithium battery. Further increase the speed of drying waste lithium batteries.

The above examples only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the scope of the patent for the invention. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (7)

1. A lithium battery crushing and separating line, comprising a crushing and separating line body, the crushing and separating line body comprising a heating mechanism located at its feeding end, characterized in that, the heating mechanism includes a frame and is arranged on the frame The conveying device and the feeding device, the feeding device is arranged above the right part of the conveying device, and the left part of the conveying device is covered with a heating cover; the feeding device includes a fixed The mounting frame on the frame, the conveying plate vibrated on the mounting frame, and the blanking bucket fixed on the frame; the upper and lower ends of the blanking bucket are all open, And the blanking barrel is provided with an openable and closable blocking plate for blocking the blanking barrel; the right end of the conveying plate is inclined downward and extends to the top of the upper opening of the blanking barrel , the middle part of the conveying plate is provided with a window penetrating through the conveying plate, a screen is arranged in the window, and the upper surface of the screen is arranged flush with the upper surface of the conveying plate. 2. A lithium battery crushing and separating line according to claim 1, wherein the conveying device includes a first drive roller and a second drive roller rotatably arranged on the frame, and a sheathed The conveyor belt on the first driving roller and the second driving roller, one of the first driving roller and the second driving roller is drivingly connected to the servo motor arranged on the frame, and the The first driving roller and the second driving roller are arranged at the same level. 3. A lithium battery crushing and separating line according to claim 2, characterized in that, the blanking barrel is in the shape of a square barrel, and the blocking plate includes two sides pivotally connected to the left and right sides of the blanking barrel. The first blocking plate and the second blocking plate on the wall, and the opposite ends of the first blocking plate and the second blocking plate are arranged against each other; the front side wall or the rear side wall of the dropping bucket Corresponding to the first blocking plate and the second blocking plate, there are also first adjusting grooves and second adjusting grooves penetrating through the side wall of the discharge barrel, and the first adjusting grooves and the second adjusting grooves are vertical set straight and below the corresponding first blocking plate and the second blocking plate, and the upper ends of the first adjusting groove and the second adjusting groove are respectively flush with the lower surfaces of the first blocking plate and the second blocking plate , a first support rod and a second support rod can also be arranged up and down in the first adjustment slot and the second adjustment slot, and the first support rod and the second support rod extend to the blanking bucket within the settings. 4. A lithium battery crushing and separating line according to claim 1 or 3, characterized in that a limit frame is fixedly arranged on the mounting frame, the limit frame is located below the conveying plate, and the limit frame is A passage window is formed on the limiting frame, the passage window is located below the window, and the edge of the passage window is connected to the edge of the window through a cylindrical flexible tube. 5. A lithium battery crushing and separating line according to claim 4, characterized in that a light curtain sensor is arranged below the limiting frame, and the transmitting end and receiving end of the light curtain sensor are respectively located in the limiting frame. The left and right ends of the bit frame, and the light curtain sensor communicates with the servo motor. 6. A lithium battery crushing and separating line according to claim 2, characterized in that, the heating cover comprises a closed cover set on the conveying device, and the cover is opened for the The passage through which the conveyor belt passes, and the passage through which the upper part of the conveyor belt passes extends upwards to form an expansion slot for the lithium battery to pass through; a number of heating components are also arranged on the inner side wall of the cover. The heating assembly is located below the upper part of the conveyor belt and above the lower part of the conveyor belt; the top of the cover is also provided with a number of air outlets, and the air outlets are connected with an air outlet pipe, An exhaust fan is arranged in the air outlet pipe; the conveyor belt is a metal mesh with several mesh holes. 7 . The crushing and separating line for lithium batteries according to claim 6 , wherein a plurality of air inlets are opened at the bottom of the cover. 8 .

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