CN114552045B - Lithium battery cell dismantling and recycling device and dismantling method thereof - Google Patents

Abstract

The invention discloses a lithium battery cell dismantling and recycling device and a dismantling method thereof, and relates to the field of lithium battery cell dismantling and recycling devices, including a dismantling recycling box, and an electric chip is passed through an upper fixing assembly inside the recycling box Or the lower fixing component is adsorbed and fixed, and then the positive electrode powder layer or the negative electrode powder layer on the surface is disassembled through the upper dismantling plate and the lower dismantling plate respectively, and the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip can be removed in two steps Complete dismantling replaces the inconvenience of recycling the positive or negative powder layer after cleaning the positive or negative powder layer with chemical agents. Therefore, this device realizes the two-step method of dismantling the electric chip through the form of mechanical design. The purpose of the positive electrode powder layer or negative electrode powder layer on the surface is to disassemble with high efficiency, which is convenient for the recycling of electric chips, positive electrode powder layer or negative electrode powder layer, and is also more environmentally friendly and will not cause pollution.

Description

Lithium battery cell dismantling and recycling device and dismantling method thereof

technical field

The invention relates to the field of dismantling and recycling devices for lithium battery cells, in particular to a dismantling and recycling device for lithium battery cells and a dismantling method thereof.

Background technique

The batteries are divided into three types: aluminum shell batteries, soft pack batteries (also known as "polymer batteries"), and cylindrical batteries. Usually mobile phone batteries use aluminum shell cells, digital products such as Bluetooth mostly use soft pack cells, and laptop batteries use a series-parallel combination of cylindrical cells.

During the assembly process, the positive electrode sheet-diaphragm-negative electrode sheet-diaphragm is placed in order from top to bottom, and the battery core is made by winding, and then the electrolyte is injected, sealed and other processes are completed to complete the assembly process of the battery. into a finished battery.

But the waste generated by lithium-ion batteries, which power everything from mobile phones to electric cars, is increasing at an alarming rate. In contrast, less than 5% of waste batteries can be recycled. If the waste battery is not properly resolved, it will not only be harmful to the healthy development of human beings, but also destroy the natural ecological environment.

In the prior art, the recovery and treatment of lithium batteries are mainly completed by overall crushing, sorting and screening; the materials obtained after the above-mentioned forms of treatment, such as copper and aluminum, are not pure enough after screening and the subsequent treatment process costs a lot and The process is complicated, and further, it is impossible to separate the lithium iron phosphate (LiFePO4) powder on the positive electrode sheet from the graphite powder on the negative electrode sheet, which greatly wastes materials and makes it impossible to realize recycling.

Therefore, it is necessary to invent a dismantling and recycling device for lithium battery cells and a dismantling method thereof to solve the above problems.

Contents of the invention

The object of the present invention is to provide a dismantling and recycling device for lithium battery cells and a dismantling method thereof, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a dismantling and recycling device for lithium battery cells, including a dismantling and recycling box, the dismantling and recycling box has a rectangular box structure, and the inside of the dismantling and recycling box is provided with a The upper fixing assembly and the lower fixing assembly supporting the electric chip, the upper fixing assembly is arranged in the upper interior of the dismantling recycling box and corresponds to the upper part of the electric chip, and the lower fixing assembly is arranged in the lower interior of the dismantling recycling box and corresponds to Below the electric chip, a slide rail for the upper fixing assembly to slide along the length direction of the dismantling and recycling box is provided above the dismantling and recycling box. The upper dismantling plate and the lower dismantling plate of the positive electrode powder layer or the negative electrode powder layer. The length of the plate corresponds to the length of the electric chip, and the upper dismantling plate and the lower dismantling plate are provided with a dismantling assembly, and the dismantling assembly includes a grinding wheel, and the grinding wheel is arranged along the upper dismantling plate and the lower dismantling plate. The inner wall of the dismantling plate is set, and one end of the grinding wheel is provided with a transmission unit, the transmission unit at the end of the grinding wheel on the inner wall of the upper dismantling plate is fixed on the side of the upper dismantling plate, and the transmission unit at the end of the grinding wheel on the inner wall of the lower dismantling plate The unit is fixed on the side of the lower disassembly plate;

The inner wall of the dismantling recovery box is provided with a first telescopic unit that pushes the upper dismantling plate to move along the length direction of the dismantling recovery box, and one side of the upper disassembly plate is provided with a The third connecting sleeve fixed by the screw, the inner wall of the dismantling recovery box is also provided with a second telescopic unit that pushes the lower dismantling plate to move along the width direction of the dismantling recovery box. The length direction of the dismantling board is vertical, and the upper dismantling board and the lower dismantling board are respectively arranged at the left and right ends of the dismantling recycling box. chamber, the rear surface of the dismantling recovery box is fixedly provided with a vacuum generating unit for maintaining vacuum in the vacuum chamber;

A third telescopic unit is fixedly arranged on the inner wall at one end of the slide rail, and a slider is fixedly arranged at the end of the third telescopic unit, and the slider is slidably arranged in the slide rail. Fixed component connections.

Preferably, the upper fixing assembly includes a first lifting unit, a connecting plate, a driving unit, and an upper adsorption plate, the first lifting unit is fixedly welded on the lower surface of the slider, and the lower end of the slide rail is provided with a The chute on which the upper end of the lifting unit slides.

It should be noted that the electric chip is adsorbed and fixed by dismantling the upper fixing component or the lower fixing component inside the recycling box, and then the positive electrode powder layer or the negative electrode powder layer on the surface are disassembled through the upper dismantling plate and the lower dismantling plate respectively , two steps can completely disassemble the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip, instead of using chemical agents to clean the positive electrode powder layer or negative electrode powder layer, which is inconvenient to recycle the positive electrode powder layer or negative electrode powder layer, and After cleaning the positive electrode powder layer or the negative electrode powder layer with chemical agents, the surface of the electric chip needs to be further cleaned, which will cause a large amount of waste water and cause serious pollution to the environment. Therefore, this device realizes two-step disassembly through mechanical design. The purpose of the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is to dismantle the efficiency high, which is convenient for the recycling of the electric chip, the positive electrode powder layer or the negative electrode powder layer, and is also more environmentally friendly and will not cause pollution.

Preferably, the slider has an inverted T-shaped structure, and the lower end of the slider is fixedly provided with a rotating shaft, and both ends of the rotating shaft are rotatably connected with rollers slidably arranged in the slide rail, and the rollers are movably attached to the slider. on the inner wall of the lower end of the rail.

Further, the lower fixing assembly is fixed at the middle of the bottom of the electric chip, the upper dismantling plate is pushed to move on the surface of the electric chip by the first telescopic unit, and the transmission unit at the end of the grinding wheel is started, and the transmission unit drives the grinding wheel to rotate. Grinding the surface of the electric chip with the grinding wheel, the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the separation between the electric chip and its surface layer structure is realized, and the upper dismantling plate has a concave structure, which can be used The upper surface of the electric chip and the two sides in the length direction are polished at one time, and the dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip is realized at one time.

Preferably, the outer wall of the upper end of the slide rail is fixedly provided with an upper fixing plate fixed on the inner wall above the vacuum chamber by screws, the first lifting unit is distributed vertically, and the lower end of the first lifting unit is fixedly welded with a connecting plate, connected to The lower end of the plate is fixed to the drive unit, the lower end of the drive unit is connected to the transmission shaft, and the upper surface of the upper adsorption plate is fixedly welded with a first connecting sleeve for the end of the transmission shaft to be fixed by a screw.

Specifically, when the upper surface of the electric chip is fixed by the upper fixing assembly, then the upper fixing assembly is slid on the slide rail, the lower fixing assembly is separated from the bottom of the electric chip, the electric chip moves to the top of the lower disassembly plate, and the upper fixing assembly is operated Make the electronic chip snap into the lower dismantling plate, then drive the lower dismantling plate to move along the width direction of the dismantling recovery box through the second telescopic unit, start the transmission unit at the end of the grinding wheel on the inner wall of the lower dismantling plate, and the transmission unit drives the grinding When the wheel rotates, the surface of the electric chip can be polished by the grinding wheel, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the separation between the electric chip and its surface layer structure is realized, and the lower disassembly plate is concave. The glyph structure can polish the lower surface of the electric chip and the two sides in the width direction at one time, realizing the disassembly of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip at one time.

Preferably, the concave-shaped opening of the upper disassembly plate faces downward and the upper disassembly plate is matched and engaged with the upper surface of the electric chip, the concave-shaped opening of the lower disassembly plate faces upward and the lower disassembly plate is matched and engaged on the lower surface of the chip.

Among them, the vacuum generating unit is used to evacuate the vacuum chamber inside the dismantling recovery box, so as to ensure that the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip is kept in a vacuum condition when dismantling, and it is not easy to cause damage due to excessive dismantling temperature. Oxidation of the electric chip, positive electrode powder layer or negative electrode powder layer ensures that the electric chip can be recycled.

Preferably, the inside of the upper adsorption plate is provided with a first negative pressure cavity, the lower surface of the upper adsorption plate is provided with multiple groups of first negative pressure suction holes communicating with the inside of the first negative pressure cavity, and the upper surface The upper surface of the adsorption plate is fixedly provided with a first negative pressure unit communicating with the inside of the first negative pressure cavity, the upper adsorption plate is parallel to the electric chip, and the length and width of the upper adsorption plate are smaller than the length and width of the electric chip.

In the device, when the first lifting unit is started, it can push the upper adsorption plate up and down, so that the upper adsorption plate is attached to the middle of the upper surface of the electric chip, and the driving unit can drive the upper adsorption plate to rotate, so as to adjust the adsorption and fix it on the lower surface of the upper adsorption plate. The position of the electric chip is convenient to adjust and use. The first negative pressure unit on the upper adsorption plate generates negative pressure suction when it works, and the negative pressure suction can be transmitted to the upper adsorption plate through the first negative pressure cavity and the first negative pressure suction hole in turn. The upper surface of the electric chip below, so that the electric chip can be stably adsorbed and fixed on the lower surface of the upper adsorption plate;

The first negative pressure unit can use devices such as negative pressure fans, the drive unit can use devices such as servo motors, the first lifting unit and the third telescopic unit can use devices such as electric push rods or cylinders, and the third telescopic unit can push the slider Move in the slide rail, so as to achieve the purpose of controlling the movement of the upper adsorption plate inside the dismantling recovery box, and facilitate the adjustment of the position of the electric chip when the upper adsorption plate adsorbs and fixes the electric chip.

Preferably, the lower fixing assembly includes a second lifting unit and a lower adsorption plate, the lower end of the second lifting unit is fixedly welded on the inner wall below the vacuum chamber, and the upper end of the second lifting unit is fixed on the lower surface of the lower adsorption plate through a screw On the second connecting sleeve that is fixedly set.

Further, the first telescopic unit and the second lifting unit can use devices such as electric push rods or cylinders, and the transmission unit can use devices such as servo motors. When the second lifting unit is started, it can push the lower adsorption plate up and down, so that the chip can be attached Closed on the grinding wheel on the inner wall of the upper dismantling board, it is convenient to adjust the height of the electric chip to achieve the purpose of controlling the rotation of the grinding wheel to grind the surface thickness of the electric chip, and has strong practicability.

Preferably, a second negative pressure cavity is provided in the lower adsorption plate, and multiple groups of second negative pressure suction holes connected to the inside of the second negative pressure cavity are provided on the upper surface of the lower adsorption plate. The lower surface of the plate is fixedly provided with a second negative pressure unit communicating with the inside of the second negative pressure cavity, the lower adsorption plate is parallel to the electric chip, and the length and width of the lower adsorption plate are smaller than the length and width of the electric chip.

In actual use, the second negative pressure unit can use devices such as a negative pressure fan. When the second negative pressure unit is started, the negative pressure suction can be transmitted to the electric chip through the second negative pressure cavity and the second negative pressure suction hole in sequence. The lower surface allows the electric chip to be adsorbed and fixed on the upper surface of the lower adsorption plate, with a stable structure and reasonable arrangement.

Preferably, at least two groups of grinding wheels are arranged side by side on the inner wall of the upper dismantling plate, and grinding wheels are provided on the inner walls of three sides of the upper dismantling plate.

When working, the vacuum generating unit can use vacuum generators and other devices. There is a sealed door on the front side of the dismantling recovery box, which is convenient to open and close, and it is convenient to take out the disassembled electric chip. This method disassembles the electric chip without pollution. The disassembly efficiency is high, the cost is low, and it is suitable for promotion.

The present invention also discloses a dismantling method of a lithium battery cell, using the above-mentioned lithium battery cell dismantling and recycling device, including the following implementation steps:

S1: Two-step dismantling, the electric chip is absorbed and fixed by dismantling the upper fixing component or the lower fixing component inside the recycling box, and then the positive electrode powder layer or the negative electrode powder layer on the surface are respectively passed through the upper dismantling plate and the lower dismantling plate To disassemble, the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip can be completely disassembled in two steps;

S2: The first step of dismantling is to fix the lower fixing component at the middle of the bottom of the electric chip, push the upper dismantling plate to move on the surface of the electric chip through the first telescopic unit, start the transmission unit at the end of the grinding wheel, and the transmission unit drives When the grinding wheel rotates, the surface of the electric chip can be polished by the grinding wheel, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the separation between the electric chip and its surface layer structure is realized, and the electric chip is concave. The structure can polish the upper surface of the electric chip and the two sides in the length direction at one time, and realize the disassembly of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip at one time;

S3: The second step of disassembly, fix the upper surface of the electric chip in S2 by the upper fixing component, then slide the upper fixing component on the slide rail, the lower fixing component is separated from the bottom of the electric chip, and the electric chip moves to the lower disassembly plate Above, operate the upper fixing component to make the electric chip snap into the lower dismantling plate, and then drive the lower dismantling plate to move along the width direction of the dismantling recovery box through the second telescopic unit, and start the grinding wheel at the end of the inner wall of the lower dismantling plate The transmission unit, when the transmission unit drives the grinding wheel to rotate, the surface of the electric chip can be polished by the grinding wheel, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the separation between the electric chip and its surface layer structure is realized. The lower dismantling plate has a concave structure, which can polish the lower surface of the electric chip and the two sides in the width direction at one time, realizing the dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip at one time;

S4: Vacuum conditions are maintained. Vacuum the vacuum chamber inside the dismantling recovery box through the vacuum generating unit, so as to ensure that the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip is kept in a vacuum condition when dismantling, and it is not easy to be affected by the dismantling temperature. If it is too high, it will cause the oxidation of the electric chip, the positive electrode powder layer or the negative electrode powder layer, which ensures that the electric chip can be recycled.

Technical effect and advantage of the present invention:

1. A lithium battery cell dismantling and recycling device of the present invention, the electric chip is absorbed and fixed by dismantling the upper fixing component or the lower fixing component inside the recycling box, and then the surface is fixed by the upper dismantling plate and the lower dismantling plate respectively. Disassemble the positive powder layer or negative powder layer on the surface of the chip, and completely disassemble the positive powder layer or negative powder layer on the surface of the chip in two steps, instead of using chemicals to clean the positive powder layer or negative powder layer, which is inconvenient to recycle. The method of positive electrode powder layer or negative electrode powder layer, and the surface of the electric chip needs to be further cleaned after using chemical agents to clean the positive electrode powder layer or negative electrode powder layer, which will cause a large amount of waste water and cause serious pollution to the environment. Therefore, this device passes The form of mechanical design achieves the purpose of dismantling the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip in two steps. The disassembly efficiency is high, which is convenient for the recycling of the electric chip, positive electrode powder layer or negative electrode powder layer. produce pollution;

2. A lithium battery cell dismantling and recycling device of the present invention is fixed at the middle of the bottom of the electric chip by the lower fixing component, and the upper dismantling plate is pushed to move on the surface of the electric chip by the first telescopic unit, and the grinding wheel end is started When the transmission unit drives the grinding wheel to rotate, the surface of the electric chip can be polished by the grinding wheel, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the structure between the electric chip and its surface layer is realized. Separated, while the upper dismantling plate has a concave shape structure, which can polish the upper surface of the electric chip and the two sides in the length direction at one time, and realize the dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip at one time. untie;

3. A device for dismantling and recycling lithium battery cells of the present invention. When the upper surface of the electric chip is fixed by the upper fixing assembly, the upper fixing assembly is then slid on the slide rail, and the lower fixing assembly is detached from the bottom of the electric chip, and the electric chip Move to the top of the lower dismantling plate, operate the upper fixing component to make the electric chip snap into the lower dismantling plate, and then drive the lower dismantling plate to move along the width direction of the dismantling recovery box through the second telescopic unit, and start the lower dismantling plate The transmission unit at the end of the grinding wheel on the inner wall. When the transmission unit drives the grinding wheel to rotate, the surface of the electric chip can be polished by the grinding wheel, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip is polished and separated, and the electric chip and its surface layer are separated. The structure is separated, and the lower disassembly plate has a concave structure, which can polish the lower surface of the electric chip and the two sides in the width direction at one time, and realize the one-time removal of the positive electrode powder layer or the negative electrode on the three surfaces of the electric chip. Dismantling of the powder layer;

4. A lithium battery cell dismantling and recycling device of the present invention uses a vacuum generating unit to evacuate the vacuum chamber inside the dismantling and recycling box to ensure that the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip is disassembled Maintain vacuum conditions at all times, and it is not easy to oxidize the electric chip, positive electrode powder layer or negative electrode powder layer due to excessive disassembly temperature, ensuring that the electric chip can be recycled;

5. A device for dismantling and recycling lithium battery cells of the present invention. When the first lifting unit is activated, the upper adsorption plate can be pushed up and down, so that the upper adsorption plate is attached to the middle of the upper surface of the electric chip, and the driving unit can drive the upper adsorption plate. The plate rotates to adjust the position of the electric chip that is adsorbed and fixed on the lower surface of the upper adsorption plate, which is convenient for adjustment and use. The first negative pressure unit on the upper adsorption plate generates negative pressure suction when it works, and the negative pressure suction can pass through the first negative pressure air in turn. The cavity and the first negative pressure suction hole are transmitted to the upper surface of the electric chip under the upper adsorption plate, so that the electric chip is stably adsorbed and fixed on the lower surface of the upper adsorption plate;

6. A lithium battery cell dismantling and recovery device of the present invention, when the second lifting unit is started, the lower adsorption plate can be pushed up and down, so that the electric chip is attached to the grinding wheel on the inner wall of the upper dismantling plate, which is convenient for adjusting the electric chip The height achieves the purpose of controlling the grinding wheel to rotate and grind the surface thickness of the electric chip, which has strong practicability;

7. A lithium battery cell dismantling and recycling device of the present invention, the second negative pressure unit can use a negative pressure fan and other devices, and when the second negative pressure unit is started, the negative pressure suction can pass through the second negative pressure cavity, The second negative pressure suction hole is transmitted to the lower surface of the electric chip, so that the electric chip is adsorbed and fixed on the upper surface of the lower adsorption plate, the structure is stable, and the arrangement is reasonable.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic view of the side structure of the present invention.

Fig. 3 is a schematic diagram of the bottom structure of the present invention.

Fig. 4 is a longitudinal sectional view of the dismantled recovery box of the present invention.

Fig. 5 is a cross-sectional view in the width direction of the dismantled recovery box of the present invention.

Fig. 6 is a schematic diagram of the structure of the upper adsorption plate of the present invention.

FIG. 7 is an enlarged schematic diagram of the structure at A in FIG. 4 of the present invention.

In the figure: Dismantling recycling box 1, upper dismantling plate 2, lower dismantling plate 3, first telescopic unit 4, second telescopic unit 5, electric chip 6, upper fixing component 7, lower fixing component 8, slide rail 9 , slider 10, third telescopic unit 11, first lifting unit 12, connecting plate 13, drive unit 14, upper adsorption plate 15, second lifting unit 16, upper fixing plate 17, rotating shaft 18, roller 19, chute 20. Vacuum generating unit 21, vacuum chamber 22, grinding wheel 23, lower adsorption plate 24, first negative pressure cavity 25, transmission shaft 26, first connecting sleeve 27, first negative pressure suction hole 28, first The negative pressure unit 29 , the third connecting sleeve 30 , the second negative pressure cavity 31 , the second negative pressure suction hole 32 , the second negative pressure unit 33 , and the second connecting sleeve 34 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a lithium battery cell dismantling and recycling device as shown in Figures 1-7, including a dismantling recycling box 1, which is in a rectangular box structure, and the interior of the dismantling recycling box 1 is provided with useful On the upper fixing assembly 7 and the lower fixing assembly 8 supporting the electric chip 6, the upper fixing assembly 7 is arranged on the upper interior of the dismantling recycling box 1 and corresponds to the upper part of the electric chip 6, and the lower fixing assembly 8 is arranged on the dismantling recycling box 1 inside and corresponding to the bottom of the electric chip 6, the top of the dismantling recycling box 1 is provided with a slide rail 9 for the upper fixing assembly 7 to slide along the length direction of the dismantling recycling box 1, and the interior of the dismantling recycling box 1 is provided with a useful The upper dismantling plate 2 and the lower dismantling plate 3 of the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 are disassembled. The length corresponding to the width of the electric chip 6 is set, the length of the lower dismantling plate 3 is set corresponding to the length of the electric chip 6, and the upper dismantling plate 2 and the lower dismantling plate 3 are all provided with a dismantling assembly, and the dismantling assembly includes a grinding wheel 23 , the grinding wheel 23 is arranged along the inner wall of the upper dismantling plate 2 and the lower dismantling plate 3, and one end of the grinding wheel 23 is provided with a transmission unit, and the transmission unit at the end of the grinding wheel 23 on the inner wall of the upper dismantling plate 2 is fixed on the upper dismantling plate. On the side of the plate 2, the transmission unit at the end of the grinding wheel 23 on the inner wall of the lower dismantling plate 3 is fixed on the side of the lower dismantling plate 3;

The inner wall of the dismantling and recycling box 1 is provided with a first telescopic unit 4 that pushes the upper dismantling plate 2 to move along the length direction of the dismantling recycling box 1, and one side of the upper dismantling plate 2 is provided with a 4 end for the first telescopic unit. The third connection sleeve 30 fixed by the screw rod, the inner wall of the dismantling recovery box 1 is also provided with a second telescopic unit 5 that pushes the lower dismantling plate 3 to move along the width direction of the dismantling recovery box 1, and the lower dismantling plate 3 The longitudinal direction is perpendicular to the longitudinal direction of the upper dismantling plate 2. The upper dismantling plate 2 and the lower dismantling plate 3 are respectively arranged at the left and right ends of the interior of the dismantling recycling box 1. The front side of the dismantling recycling box 1 is provided with a seal The door is disassembled to form a vacuum chamber 22 inside the recovery box 1, and the rear surface of the disassembled recovery box 1 is fixedly provided with a vacuum generating unit 21 for maintaining vacuum in the vacuum chamber 22;

A third telescopic unit 11 is fixedly arranged on the inner wall of one end of the slide rail 9, and a slider 10 is fixedly arranged at the end of the third telescopic unit 11. Component 7 is connected.

The upper fixing assembly 7 includes a first lifting unit 12, a connecting plate 13, a drive unit 14, and an upper adsorption plate 15. The first lifting unit 12 is fixedly welded on the lower surface of the slider 10, and the lower end of the slide rail 9 is provided with a first lifting unit for the first lifting. The chute 20 where the upper end of the unit 12 slides.

It should be noted that the electric chip 6 is adsorbed and fixed by dismantling the upper fixing assembly 7 or the lower fixing assembly 8 inside the recovery box 1, and then the positive electrode powder layer or The negative electrode powder layer is disassembled, and the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip 6 can be completely disassembled in two steps, instead of using chemical agents to clean the positive electrode powder layer or negative electrode powder layer, which is inconvenient to recycle the positive electrode powder layer or Negative electrode powder layer, and the surface of the chip 6 needs to be further cleaned after using chemical agents to clean the positive electrode powder layer or negative electrode powder layer, which will cause a large amount of waste water and cause serious pollution to the environment. Therefore, this device is mechanically designed. The form realizes the purpose of dismantling the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip 6 in two steps, and the dismantling efficiency is high, which is convenient for the recycling and utilization of the electric chip 6, the positive electrode powder layer or the negative electrode powder layer, and is also more environmentally friendly, and will not produce pollute.

The slider 10 is an inverted T-shaped structure, the lower end of the slider 10 is fixedly provided with a rotating shaft 18, and both ends of the rotating shaft 18 are rotatably connected with rollers 19 that are slidably arranged in the slide rail 9, and the rollers 19 are movably attached to the slider. On the inner wall of the lower end of the rail 9.

Further, the lower fixing assembly 8 is fixed at the bottom middle position of the electric chip 6, the upper dismantling plate 2 is pushed to move on the surface of the electric chip 6 by the first telescopic unit 4, and the transmission unit at the end of the grinding wheel 23 is started, and the transmission unit When the grinding wheel 23 is driven to rotate, the surface of the electric chip 6 can be polished by the grinding wheel 23, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 is polished and separated, and the separation between the electric chip 6 and its surface layer structure is realized. The upper dismantling plate 2 has a concave shape structure, which can polish the upper surface of the electric chip 6 and the two sides in the length direction at one time, so as to realize the removal of the positive electrode powder layer or the negative electrode powder layer on the three faces of the electric chip 6 at one time. Disassemble.

The outer wall of the upper end of the slide rail 9 is fixedly provided with an upper fixed plate 17 fixed on the inner wall above the vacuum chamber 22 by screws, the first lifting unit 12 is vertically distributed, and the lower end of the first lifting unit 12 is fixedly welded with a connecting plate 13, the connecting plate 13 is fixed between the lower end and the drive unit 14, the lower end of the drive unit 14 is connected to the transmission shaft 26, and the upper surface of the upper adsorption plate 15 is fixedly welded with the first connecting sleeve 27 for the end of the transmission shaft 26 to be fixed by a screw. .

Specifically, when the upper surface of the electric chip 6 is fixed by the upper fixing assembly 7, then the upper fixing assembly 7 is slid on the slide rail 9, the lower fixing assembly 8 is separated from the bottom of the electric chip 6, and the electric chip 6 moves to the lower disassembly plate 3, operate the upper fixing assembly 7 so that the electric chip 6 is engaged in the lower dismantling plate 3, and then the second telescopic unit 5 drives the lower dismantling plate 3 to move along the width direction of the dismantling recovery box 1 to start the lower dismantling The transmission unit at the end of the grinding wheel 23 on the inner wall of the plate 3, when the transmission unit drives the grinding wheel 23 to rotate, the surface of the electric chip 6 can be polished by the grinding wheel 23, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 is polished and separated. Realize the separation between the electric chip 6 and its surface layer structure, and the lower dismantling plate 3 has a concave shape structure, which can polish the lower surface of the electric chip 6 and the two sides in the width direction at one time, and realizes one-time for the electric chip 6. The dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the chip 6.

The concave-shaped opening of the upper disassembly plate 2 faces downward and the upper disassembly plate 2 is matched and engaged on the upper surface of the electric chip 6, and the concave-shaped opening of the lower disassembly plate 3 faces upward and the lower disassembly plate 3 is matched and engaged with the electric chip 6. The lower surface of chip 6.

Wherein, the vacuum generating unit 21 is used to evacuate the vacuum chamber 22 inside the dismantling recovery box 1, so as to ensure that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 maintains a vacuum condition when dismantling, and it is not easy to be affected by the dismantling temperature. Too high will cause the oxidation of the electric chip 6, the positive electrode powder layer or the negative electrode powder layer, which ensures that the electric chip 6 can be recycled.

The inside of the upper adsorption plate 15 is provided with a first negative pressure cavity 25, and the lower surface of the upper adsorption plate 15 is provided with multiple groups of first negative pressure suction holes 28 communicating with the inside of the first negative pressure cavity 25. The upper surface is fixedly provided with a first negative pressure unit 29 communicating with the inside of the first negative pressure cavity 25, the upper adsorption plate 15 is parallel to the electric chip 6, and the length and width of the upper adsorption plate 15 are respectively smaller than the length and width of the electric chip 6 .

In the device, when the first lifting unit 12 is started, it can push the upper adsorption plate 15 up and down, so that the upper adsorption plate 15 is attached to the middle of the upper surface of the electric chip 6, and the driving unit 14 can drive the upper adsorption plate 15 to rotate, thereby adjusting the adsorption and fixing The position of the electric chip 6 on the lower surface of the upper adsorption plate 15 is convenient for adjustment and use. The first negative pressure unit 29 on the upper adsorption plate 15 generates negative pressure suction when it works, and the negative pressure suction can pass through the first negative pressure cavity 25, The first negative pressure suction hole 28 is transmitted to the upper surface of the electric chip 6 below the upper adsorption plate 15, thereby stably adsorbing and fixing the electric chip 6 on the lower surface of the upper adsorption plate 15;

The first negative pressure unit 29 can use devices such as negative pressure fans, the drive unit 14 can use devices such as servo motors, the first lifting unit 12 and the third telescopic unit 11 can use devices such as electric push rods or cylinders, and the third telescopic unit 11 can push the slider 10 to move in the slide rail 9, thereby achieving the purpose of controlling the movement of the upper adsorption plate 15 inside the dismantling recovery box 1, and adjusting the position of the electric chip 6 when the upper adsorption plate 15 absorbs and fixes the electric chip 6 conveniently.

The lower fixing assembly 8 includes a second lifting unit 16 and a lower adsorption plate 24, the lower end of the second lifting unit 16 is fixedly welded on the inner wall below the vacuum chamber 22, and the upper end of the second lifting unit 16 is fixed on the lower surface of the lower adsorption plate 24 by a screw On the second connecting sleeve 34 fixedly arranged.

Further, the first telescopic unit 4 and the second lifting unit 16 can use devices such as electric push rods or cylinders, and the transmission unit can use devices such as servo motors. When the second lifting unit 16 starts, it can push the lower adsorption plate 24 up and down, thereby The electric chip 6 is attached to the grinding wheel 23 on the inner wall of the upper dismantling plate 2, which facilitates the adjustment of the height of the electric chip 6 to achieve the purpose of controlling the grinding wheel 23 to rotate and polish the surface thickness of the electric chip 6, which is practical.

The lower adsorption plate 24 is provided with a second negative pressure cavity 31, and the upper surface of the lower adsorption plate 24 is provided with multiple groups of second negative pressure suction holes 32 connected to the inside of the second negative pressure cavity 31. The surface is fixedly provided with a second negative pressure unit 33 communicating with the inside of the second negative pressure cavity 31 , the lower adsorption plate 24 is parallel to the electric chip 6 , and the length and width of the lower adsorption plate 24 are smaller than the length and width of the electric chip 6 respectively.

In actual use, the second negative pressure unit 33 can use devices such as a negative pressure fan, and when the second negative pressure unit 33 is started, the negative pressure suction can be transmitted through the second negative pressure cavity 31 and the second negative pressure suction hole 32 in sequence. The lower surface of the power supply chip 6 makes the power chip 6 adsorbed and fixed on the upper surface of the lower adsorption plate 24, the structure is stable, and the arrangement is reasonable.

There are at least two groups of grinding wheels 23 arranged side by side on the inner wall of the upper dismantling plate 2 , and grinding wheels 23 are provided on the inner walls of three sides of the upper dismantling plate 2 .

During work, the vacuum generating unit 21 can use devices such as a vacuum generator, and the front side of the dismantling recovery box 1 is provided with a sealed door, which is convenient for opening and closing, and is convenient for taking out the disassembled electric chip 6. This method disassembles the electric chip 6 , no pollution, high disassembly efficiency, low cost, suitable for popularization.

The invention also discloses a method for dismantling lithium battery cells, using the above lithium battery cell dismantling and recycling device, including the following implementation steps:

S1: Two-step dismantling, the electric chip 6 is adsorbed and fixed by dismantling the upper fixing component 7 or the lower fixing component 8 inside the recycling box 1, and then passing the upper dismantling plate 2 and the lower dismantling plate 3 respectively to the positive electrode on the surface The powder layer or the negative electrode powder layer is disassembled, and the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 can be completely disassembled in two steps;

S2: The first step is dismantling. The lower fixing assembly 8 is fixed at the middle of the bottom of the electric chip 6. The upper disassembly plate 2 is pushed to move on the surface of the electric chip 6 by the first telescopic unit 4, and the grinding wheel 23 end is started. Transmission unit, when the transmission unit drives the grinding wheel 23 to rotate, the surface of the electric chip 6 can be polished by the grinding wheel 23, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 is polished and separated, and the structure of the electric chip 6 and its surface layer is realized. The separation between them, and the electric chip 6 has a concave structure, which can polish the upper surface of the electric chip 6 and the two sides in the length direction at one time, and realize the one-time treatment of the positive electrode powder layer or the negative electrode on the three surfaces of the electric chip 6. Dismantling of the powder layer;

S3: The second step is to disassemble, fix the upper surface of the electric chip 6 in S2 by the upper fixing component 7, then slide the upper fixing component 7 on the slide rail 9, the lower fixing component 8 is detached from the bottom of the electric chip 6, and the electric chip 6 Move to the top of the lower dismantling plate 3, operate the upper fixing assembly 7 so that the electric chip 6 is engaged in the lower dismantling plate 3, and then drive the lower dismantling plate 3 along the width of the dismantling recovery box 1 through the second telescopic unit 5 Direction movement, start the transmission unit at the end of the grinding wheel 23 on the inner wall of the dismantling plate 3, when the transmission unit drives the grinding wheel 23 to rotate, the surface of the electric chip 6 can be polished by the grinding wheel 23, so that the positive electrode powder layer on the surface of the electric chip 6 or The negative electrode powder layer is polished and separated to realize the separation between the electric chip 6 and its surface layer structure, while the lower dismantling plate 3 has a concave structure, which can polish the lower surface of the electric chip 6 and the two sides in the width direction at one time , realizing the one-time dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip 6;

S4: Vacuum conditions are maintained. Vacuumize the vacuum chamber 22 inside the dismantling recovery box 1 through the vacuum generating unit 21, so as to ensure that the positive electrode powder layer or negative electrode powder layer on the surface of the electric chip 6 maintains a vacuum condition when dismantling, which is not easy Oxidation of the electric chip 6 , the positive electrode powder layer or the negative electrode powder layer due to excessive dismantling temperature ensures that the electric chip 6 can be recycled.

Working principle: The electric chip 6 is adsorbed and fixed by dismantling the upper fixing component 7 or the lower fixing component 8 inside the recycling box 1, and then through the upper dismantling plate 2 and the lower dismantling plate 3 respectively, the positive electrode powder layer or negative electrode powder on the surface The positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 can be completely disassembled in two steps, instead of using chemicals to clean the positive electrode powder layer or the negative electrode powder layer, which is inconvenient to recycle the positive electrode powder layer or the negative electrode powder layer. layer, and the surface of the chip 6 needs to be further cleaned after using chemical agents to clean the positive electrode powder layer or the negative electrode powder layer, which will cause a large amount of waste water and cause serious pollution to the environment. Therefore, this device is realized in the form of mechanical design The purpose of dismantling the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 by a two-step method is high in dismantling efficiency, which is convenient for the recycling of the electric chip 6, the positive electrode powder layer or the negative electrode powder layer, and is also more environmentally friendly and will not cause pollution.

The lower fixing assembly 8 is fixed at the bottom middle of the electric chip 6, the upper dismantling plate 2 is pushed to move on the surface of the electric chip 6 by the first telescopic unit 4, and the transmission unit at the end of the grinding wheel 23 is started, and the transmission unit drives the grinding wheel When 23 rotates, the surface of the electric chip 6 can be polished by the grinding wheel 23, so that the positive electrode powder layer or the negative electrode powder layer on the surface of the electric chip 6 is polished and separated, and the separation between the electric chip 6 and its surface layer structure is realized, and the upper disassembly The stripping plate 2 has a concave shape structure, and can polish the upper surface of the electric chip 6 and the two sides in the length direction at one time, so as to realize the dismantling of the positive electrode powder layer or the negative electrode powder layer on the three surfaces of the electric chip 6 at one time.

Claims (9)

1. The utility model provides a recovery unit is disassembled to lithium battery electricity core, is including disassembling collection box (1), its characterized in that: the disassembly recycling bin (1) is of a rectangular box structure, an upper fixing component (7) and a lower fixing component (8) which are used for supporting an electric chip (6) are arranged inside the disassembly recycling bin (1), the upper fixing component (7) is arranged inside the disassembly recycling bin (1) and corresponds to the upper side of the electric chip (6), the lower fixing component (8) is arranged inside the lower side of the disassembly recycling bin (1) and corresponds to the lower side of the electric chip (6), a sliding rail (9) which is used for enabling the upper fixing component (7) to slide along the length direction of the disassembly recycling bin (1) is arranged above the disassembly recycling bin (1), an upper disassembly plate (2) and a lower disassembly plate (3) which are used for disassembling an anode powder layer or a cathode powder layer on the surface of the electric chip (6) are arranged inside the disassembly recycling bin (1), the upper disassembly plate (2) and the lower disassembly plate (3) are both of a concave structure, the length of the upper disassembly plate (2) corresponds to the width of the electric chip (6), the length of the lower disassembly plate (3) corresponds to the length of the electric chip (6), and the upper disassembly plate (23) and the lower disassembly grinding wheel assembly (23) are arranged along the upper disassembly plate (23 and the inner wall, one end of the grinding wheel (23) is provided with a transmission unit, the transmission unit at the end part of the grinding wheel (23) on the inner wall of the upper dismantling plate (2) is fixed on the side surface of the upper dismantling plate (2), and the transmission unit at the end part of the grinding wheel (23) on the inner wall of the lower dismantling plate (3) is fixed on the side surface of the lower dismantling plate (3);

the inner wall of the disassembling recycling box (1) is provided with a first telescopic unit (4) which pushes an upper disassembling plate (2) to move along the length direction of the disassembling recycling box (1), one side of the upper disassembling plate (2) is provided with a third connecting sleeve (30) which is used for fixing the end part of the first telescopic unit (4) through a screw, the inner wall of the disassembling recycling box (1) is further provided with a second telescopic unit (5) which pushes a lower disassembling plate (3) to move along the width direction of the disassembling recycling box (1), the length direction of the lower disassembling plate (3) is perpendicular to the length direction of the upper disassembling plate (2), the upper disassembling plate (2) and the lower disassembling plate (3) are respectively arranged at the left end and the right end inside the disassembling recycling box (1), a sealing door is arranged at the front side of the disassembling recycling box (1), a vacuum cavity (22) is formed inside the disassembling recycling box (1), and a vacuum generating unit (21) which is used for maintaining vacuum in the vacuum cavity (22) is fixedly arranged on the rear side surface of the disassembling recycling box (1).

2. The lithium battery electric core disassembling and recycling device of claim 1, characterized in that: a third telescopic unit (11) is fixedly arranged on the inner wall of one end of the sliding rail (9), a sliding block (10) is fixedly arranged at the end part of the third telescopic unit (11), the sliding block (10) is arranged in the sliding rail (9) in a sliding manner, and the lower end of the sliding block (10) is connected with the upper fixing component (7);

wherein, the upper fixing component (7) comprises a first lifting unit (12), a connecting plate (13), a driving unit (14) and an upper adsorption plate (15), the first lifting unit (12) is fixedly welded on the lower surface of the sliding block (10), and the lower end of the sliding rail (9) is provided with a sliding groove (20) for the upper end of the first lifting unit (12) to slide.

3. The lithium battery electric core disassembling and recycling device of claim 2, characterized in that: the slider (10) is an inverted T-shaped structure, the lower end of the slider (10) is fixedly provided with a rotating shaft (18), two ends of the rotating shaft (18) are rotatably connected with idler wheels (19) which are slidably arranged in the sliding rails (9), and the idler wheels (19) are movably attached to the inner wall of the lower end of the sliding rails (9).

4. The lithium battery cell disassembling and recycling device of claim 3, which is characterized in that: the outer wall of the upper end of the sliding rail (9) is fixedly provided with an upper fixing plate (17) which is fixed on the inner wall above the vacuum chamber (22) through screws, the first lifting unit (12) is vertically distributed, a connecting plate (13) is fixedly welded at the lower end of the first lifting unit (12), the lower end of the connecting plate (13) is fixed with the driving unit (14), the lower end of the driving unit (14) is in transmission connection with a transmission shaft rod (26), and a first connecting sleeve (27) for fixing the end part of the transmission shaft rod (26) through a screw rod is fixedly welded at the upper surface of the upper adsorption plate (15).

5. The lithium battery electric core disassembling and recycling device according to claim 4, characterized in that: the concave opening of the upper disassembling plate (2) faces downwards, the upper disassembling plate (2) is matched and clamped on the upper surface of the electric chip (6), the concave opening of the lower disassembling plate (3) faces upwards, and the lower disassembling plate (3) is matched and clamped on the lower surface of the electric chip (6).

6. The lithium battery electric core disassembling and recycling device according to claim 5, characterized in that: go up the inside of adsorption plate (15) and be provided with first negative pressure cavity (25), the lower surface of going up adsorption plate (15) is provided with the inside first negative pressure suction hole (28) of the first negative pressure cavity (25) of multiunit intercommunication, the last fixed surface of going up adsorption plate (15) is provided with the inside first negative pressure unit (29) of the first negative pressure cavity of intercommunication (25), it is parallel with electric chip (6) to go up adsorption plate (15), and goes up the length and width size of adsorption plate (15) and be less than the length and width size of electric chip (6) respectively.

7. The lithium battery electric core disassembling and recycling device of claim 6, characterized in that: the lower fixing component (8) comprises a second lifting unit (16) and a lower adsorption plate (24), the lower end of the second lifting unit (16) is fixedly welded on the inner wall below the vacuum chamber (22), and the upper end of the second lifting unit (16) is fixed on a second connecting sleeve (34) fixedly arranged on the lower surface of the lower adsorption plate (24) through a screw rod.

8. The lithium battery electric core disassembling and recycling device according to claim 7, characterized in that: be provided with second negative pressure cavity (31) in lower adsorption plate (24), the upper surface of lower adsorption plate (24) is provided with the inside second negative pressure suction hole (32) of multiunit intercommunication second negative pressure cavity (31), the lower fixed surface of lower adsorption plate (24) is provided with the inside second negative pressure unit (33) of intercommunication second negative pressure cavity (31), lower adsorption plate (24) are parallel with electric chip (6), and the length and width size of lower adsorption plate (24) is less than the length and width size of electric chip (6) respectively.

9. The lithium battery electric core disassembling and recycling device of claim 8, characterized in that: at least two groups of grinding wheels (23) are arranged on the inner wall of the upper disassembling plate (2) side by side, and the grinding wheels (23) are arranged on the inner walls of three sides of the upper disassembling plate (2).

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