CN204857896U - A lithium-ion battery dismantling equipment - Google Patents

Abstract

The utility model provides a destroy electric core inner structure's lithium ion cell disassembles equipment in the time of can avoiding disassembling, including frame and rotary device, electric core fixing device, line cutting device, elevating gear and top cap and the aluminum hull separator of setting in the frame, rotary device includes a drive arrangement, pivot and carousel, and line cutting device includes the 2nd drive arrangement and cutter unit spare, and cutter unit spare sets up the one side at electric core storage tank, top cap and aluminum hull separator set up in the top of electric core storage tank, and top cap and aluminum hull separator are connected with elevating gear and fix in the elevating gear below. The utility model has the advantages of through rotary device, electric core fixing device and line cutting device's cooperation, fix the cutting of the degree of depth to the aluminum hull of electric core, rethread top cap and aluminum hull separator accomplish aluminum hull and top cap separation electric core and disassemble, destroy electric core inner structure in the time of can avoiding disassembling.

Description

A lithium-ion battery dismantling equipment

technical field

The utility model relates to a lithium ion electric core, in particular to a lithium ion electric core dismantling equipment.

Background technique

Due to the needs of performance analysis and structural analysis of lithium-ion batteries, it is necessary to conduct anatomical analysis of the batteries. In addition, lithium batteries may have functional and safety problems during production and use, and failure analysis is often required. The failure analysis of batteries is in After the in-situ analysis is completed, it is also necessary to dissect and disassemble the lithium-ion battery for analysis. It can be said that dismantling batteries is an urgent and commonly used demand in the field of lithium-ion batteries. Currently, the dismantling of aluminum-shell batteries is mainly done with a grinder. Due to severe vibration during the grinding process, it will bring safety hazards and introduce Additional damage to the cell, the metal shavings generated by grinding will enter the cell and affect the analysis of the inside of the cell. After the polishing is completed, the aluminum shell will be deformed, and the bare cell inside is extremely difficult to remove, which seriously affects the efficiency and efficiency of cell failure analysis. Analyze the results.

Because the battery is charged, in the process of optimizing the battery disassembly method, if the cutting method is used, there will be a risk of short circuit of the battery. It is necessary to carry out special control on cutting, and disassemble the battery disassembly action to ensure the smoothness of the entire disassembly process. Safety, and at the same time, it is necessary to avoid damage to the internal structure of the battery. In addition, the designed battery dismantling equipment needs to be simple and easy to operate, so as to improve the efficiency of battery dismantling.

Utility model content

The technical problem to be solved by the utility model is to provide a dismantling equipment for lithium-ion battery cells which can avoid destroying the internal structure of the battery cells during dismantling.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a lithium-ion cell dismantling equipment, including a frame and a rotating device arranged on the frame, a cell fixing device, a wire cutting device, a lifting device and Top cover and aluminum shell separation device;

The rotating device includes a first driving device, a rotating shaft and a turntable, the rotating shaft is vertically arranged on the frame, the first driving device is connected with the rotating shaft and drives the rotating shaft to rotate, the rotating disk is horizontally fixed on the rotating shaft, the The cell fixing device is fixed on the turntable, and the cell fixing device is provided with a cell accommodating groove;

The wire cutting device includes a second drive device and a cutter assembly, the cutter assembly is arranged on one side of the battery cell accommodating groove, the second drive device is connected with the cutter assembly and drives the cutter assembly to horizontally direction and vertical movement;

The separation device for the top cover and the aluminum case is arranged above the cell accommodating tank, the separation device for the top cover and the aluminum case is connected to the lifting device and fixed below the lifting device, and the lifting device drives the top cover and the aluminum case to separate The device moves in the vertical direction.

Further, the cutter assembly includes a cutter body, a cutter head, a cutter head seat and an elastic mechanism; the cutter body is a hollow cylinder, and a pin hole is opened at the front end of the cutter body; the cutter head The seat includes a head and a tail, the head is hollow, the diameter of the tail matches the inner diameter of the cutter body, the tail is provided with a grooved hole, and the length direction of the grooved hole is in line with the cutter body The axial direction is the same; the cutter head is fixedly connected in the head, the tail is inserted into the front end of the cutter body and connected with the cutter body through a pin, and the pin passes through the pin hole and the slot hole, so The elastic mechanism is arranged at the rear end inside the cutter body and is in elastic contact with the tail of the cutter head seat.

Further, the elastic mechanism includes a spring and an adjusting bolt, the spring is placed at the rear end of the cutter body, and is in elastic contact with the tail of the cutter head seat, and the inner wall of the rear end of the cutter body is provided with threads, The thread matches the adjusting bolt, and the adjusting bolt compresses the spring, and is fixed to the rear end of the cutter body through the thread on the inner wall of the rear end of the cutter body.

Further, the cutter head is a circular arc edge blade or a tapered edge blade, and the material of the cutter head is diamond.

Further, the cell fixing device includes a plurality of limiting blocks, the limiting blocks are movably fixed on the turntable, and the plurality of limiting blocks form the cell accommodating groove.

Further, the separation device for the top cover and the aluminum shell includes a clamping manipulator, and the clamping manipulator is connected with the lifting device and fixed under the lifting device.

The beneficial effects of the utility model are: through the cooperation of the rotating device, the cell fixing device and the wire cutting device, the aluminum shell of the cell is cut to a fixed depth, and then the aluminum shell and the top cover are separated by the top cover and the aluminum shell separation device. Separate and complete the dismantling of the battery cell, which can avoid damaging the internal structure of the battery cell during disassembly; improve the dismantling efficiency of the battery cell, ensure the safety during the dismantling process, and greatly improve the traditional dismantling of the aluminum shell battery Method: Avoid impurities such as aluminum chips introduced by grinding, improve the accuracy of battery failure analysis, and meet the needs of battery analysis, battery structure analysis and battery failure analysis.

Description of drawings

Fig. 1 is a perspective view of a lithium-ion cell dismantling device according to an embodiment of the present invention.

Fig. 2 is a perspective view of the rotating device and the cell fixing device of the lithium-ion cell dismantling device according to the embodiment of the present invention.

Fig. 3 is a perspective view of a wire cutting device of a lithium-ion cell dismantling device according to an embodiment of the present invention.

Fig. 4 is a perspective view of a top cover and an aluminum case separation device of a lithium-ion cell dismantling device according to an embodiment of the present invention.

Label description:

1. Frame; 2. Rotating device; 21. Turntable; 22. Rotating shaft; 23. First driving device; 3. Cell fixing device; 31. Limiting block; 32. Li-ion cell; 4. Wire cutting device ; 41, cutter assembly; 411, cutter head; 42, push-pull rod; 43, second driving device; 5, lifting device; 6, top cover and aluminum shell separation device;

Detailed ways

In order to describe the technical content, the achieved purpose and the effect of the present utility model in detail, the following will be described in conjunction with the embodiments and accompanying drawings.

The most critical idea of the utility model is: through the cooperation of the rotating device, the cell fixing device and the wire cutting device, the aluminum shell of the cell is cut to a fixed depth, and then the aluminum shell and the top are separated by the top cover and the aluminum shell separation device. The cover is separated to complete the disassembly of the battery cell, which can avoid damaging the internal structure of the battery cell during disassembly.

Please refer to Fig. 1 to Fig. 4, a lithium-ion cell dismantling equipment, including a frame 1 and a rotating device 2 arranged on the frame 1, a cell fixing device 3, a wire cutting device 4, a lifting device 5 and a top Cover and aluminum shell separation device 6;

The rotating device 2 includes a first driving device 23, a rotating shaft 22 and a turntable 21, the rotating shaft 22 is vertically arranged on the frame 1, the first driving device 23 is connected with the rotating shaft 22 and drives the rotating shaft 22 to rotate, the The turntable 21 is horizontally fixed on the rotating shaft 22, the cell fixing device 3 is fixed on the turntable 21, and the cell fixing device 3 is provided with a cell accommodating groove;

The wire cutting device 4 includes a second drive device 43 and a cutter assembly 41, the cutter assembly 41 is arranged on one side of the cell accommodating groove, and the second drive device 43 is connected to the cutter assembly 41 and drives The cutter assembly 41 moves in the horizontal direction and the vertical direction respectively;

The top cover and the aluminum case separation device 6 are arranged above the cell accommodating tank, the top cover and the aluminum case separation device 6 is connected with the lifting device 5 and fixed below the lifting device 5, and the lifting device 5 drives the top The cover and aluminum case separating device 6 moves in the vertical direction.

Before the operation of the lithium-ion battery dismantling equipment of the utility model, the lithium-ion battery 32 to be dismantled is placed in the battery cell accommodating groove, and the battery fixing device 3 presses it on the turntable 21 to adjust the cutter assembly 41, push the cutter assembly 41 so that the cutter assembly 41 is in contact with the aluminum shell with a certain pressure, the rotating shaft 22 drives the turntable 21 to rotate, and the wire cutting device 4 ensures that the entire rotation process maintains a certain pressure contact with the aluminum shell of the battery cell , so that the whole cutting process keeps cutting the aluminum shell at a fixed depth. After the battery cell completes the 360° cutting, withdraw the knife and adjust the top cover and aluminum shell separation device 6, clamp the aluminum shell and the top cover above the cutting position, and complete the fixation The pulling action of the stroke separates the aluminum shell and the top cover, and completes the disassembly of the entire battery cell.

Compared with the traditional cell dismantling method of grinding the aluminum shell with a grinding wheel, the lithium-ion cell dismantling equipment of the utility model uses a blade of a specific material and shape to cut the aluminum shell at a fixed depth, which is safe, efficient, and will not Damage to the internal structure of the battery core; the traditional battery disassembly method uses diagonal pliers to open the aluminum shell to separate the aluminum shell from the top cover. The utility model can automatically complete the top cover and the aluminum shell through the top cover and aluminum shell separation device 6. Shell separation works.

From the above description, it can be seen that the beneficial effect of the utility model is: through the cooperation of the rotating device 2, the cell fixing device 3 and the wire cutting device 4, the aluminum shell of the cell is cut at a fixed depth, and then the top cover and the aluminum shell The separation device 6 separates the aluminum shell and the top cover to complete the dismantling of the battery cell, which can avoid damaging the internal structure of the battery cell during disassembly; improves the dismantling efficiency of the battery cell, ensures the safety during the dismantling process, and greatly improves The traditional method of dismantling aluminum shell cells is eliminated; impurities such as aluminum chips introduced by grinding are avoided, the accuracy of cell failure analysis is improved, and the needs of cell analysis, cell structure analysis, and cell failure analysis are met.

Further, the cutter assembly 41 includes a cutter body, a cutter head 411, a cutter head seat and an elastic mechanism; the cutter body is a hollow cylinder, and a pin hole is provided at the front end of the cutter body; The cutter head seat includes a head and a tail, the head is hollow, the diameter of the tail matches the inner diameter of the cutter body, the tail is provided with a grooved hole, and the length direction of the grooved hole is in line with the cutter body. The axial direction of the cutter body is consistent; the cutter head 411 is fixedly connected in the head, the tail is inserted into the front end of the cutter body and connected with the cutter body by a pin, and the pin passes through the pin hole and the groove The hole, the elastic mechanism is arranged at the rear end inside the cutter body, and is in elastic contact with the tail of the cutter head seat. Of course, the cutter body can also be other hollow cylinders.

As can be seen from the above description, the cutter head seat is provided with a grooved hole, and the cutter head seat and the cutter body are connected through the grooved hole through a pin, and the tail of the cutter head seat is in elastic contact with the elastic mechanism. During the use of the knife assembly 41, the combination of the knife head 411 and the knife head seat can be elastically stretched freely, and the cutter body can realize the telescopic function in the horizontal direction; the cutter assembly 41 can not only protect the knife head 411, but also adjust 411 acts as a limiter, and finally realizes that the cutting depth of the cutter to the aluminum shell is fixed, and the cutting depth can be adjusted according to the thickness of the aluminum shell, so as to avoid directly cutting through the aluminum shell and causing a short circuit of the battery cell.

Further, the elastic mechanism includes a spring and an adjusting bolt, the spring is placed at the rear end of the cutter body, and is in elastic contact with the tail of the cutter head seat, and the inner wall of the rear end of the cutter body is provided with threads, The thread matches the adjusting bolt, and the adjusting bolt compresses the spring, and is fixed to the rear end of the cutter body through the thread on the inner wall of the rear end of the cutter body.

It can be seen from the above description that the elastic mechanism with the above structure can adjust the elastic force by adjusting the screw in and out of the bolt according to the needs during use, so that the spring can be compressed or loosened, so that the cutter can reach different sensitivities.

Further, the wire cutting device 4 further includes a push-pull rod 42, the cutter assembly 41 is connected to the second driving device 43 through the push-pull rod 42, and the push-pull rod 42 can push the cutter head 411 to compress or loosen the battery.

Further, the cutter head 411 is a blade with a circular arc edge or a blade with a tapered edge.

From the above description, it can be seen that the use of arc-edged blades or tapered blades can avoid jamming. The material of the cutter head 411 can be tungsten steel, and in order to further improve the safety of disassembly, the material of the cutter head 411 can also be diamond.

Further, the cell fixing device 3 includes a plurality of limiting blocks 31 , the limiting blocks 31 are movably fixed on the turntable 21 , and the plurality of limiting blocks 31 form the cell accommodating groove.

It can be seen from the above description that the limit block 31 is movably fixed on the turntable 21 (for example, the limit block 31 is fixed on the turntable 21 through a chute and a bolt), and a plurality of limit blocks 31 form a cell accommodating groove, which can be used according to Lithium-ion aluminum cells of different sizes or models to be disassembled to adjust the size of the cell accommodating slot.

Further, the separation device 6 for the top cover and the aluminum shell includes a clamping robot 61 , and the clamping robot 61 is connected with the lifting device 5 and fixed below the lifting device 5 .

It can be seen from the above description that the fast separation of the top cover and the aluminum shell can be achieved by clamping the cut aluminum shell through the cooperation of the lifting device 5 and the clamping manipulator 61 .

Further, the above-mentioned first driving device 23 and the second driving device 43 are both motors, and the above-mentioned rotating shaft 22 is a screw.

Please refer to Fig. 1 to Fig. 4, the embodiment of the present utility model is: a kind of lithium-ion cell dismantling equipment, comprises frame 1 and the rotating device 2 that is arranged on frame 1, cell fixing device 3, wire cutting device 4, lifting device 5, top cover and aluminum shell separation device 6; the rotating device 2 includes a first drive device 23, a rotating shaft 22 and a turntable 21, the rotating shaft 22 is vertically arranged on the frame 1, and the first A driving device 23 is connected to the rotating shaft 22 and drives the rotating shaft 22 to rotate. The rotating disk 21 is horizontally fixed on the rotating shaft 22. The cell fixing device 3 is fixed on the rotating disc 21. The cell fixing device 3 is provided with a cell accommodating groove; the wire cutting device 4 includes a second drive device 43 and a cutter assembly 41, the cutter assembly 41 is arranged on one side of the cell accommodating groove, the second drive device 43 and the cutter assembly 41 connects and drives the cutter assembly 41 to move in the horizontal direction and the vertical direction respectively; the top cover and the aluminum shell separation device 6 are arranged above the cell accommodating groove, and the top cover and the aluminum shell separation device 6 are connected with the lifting The device 5 is connected and fixed below the lifting device 5, and the lifting device 5 drives the top cover and the aluminum shell separation device 6 to move in the vertical direction. The cutter assembly 41 includes a cutter body, a cutter head 411, a cutter head seat and an elastic mechanism; the cutter body is a hollow cylinder, and the front end of the cutter body is provided with a pin hole; the cutter head seat It includes a head and a tail, the head is hollow, the diameter of the tail matches the inner diameter of the cutter body, the tail is provided with a slotted hole, and the length direction of the slotted hole is the same as that of the cutter body Axially consistent; the cutter head 411 is fixedly connected in the head, the tail is inserted into the front end of the cutter body and is connected with the cutter body by a pin, and the pin passes through the pin hole and the slot hole, so The elastic mechanism is arranged at the rear end inside the cutter body and is in elastic contact with the tail of the cutter head seat. The elastic mechanism includes a spring and an adjusting bolt. The spring is placed at the rear end of the cutter body and is in elastic contact with the tail of the cutter head seat. The inner wall of the rear end of the cutter body is provided with threads, and the threads Matched with the adjusting bolt, the adjusting bolt compresses the spring and is fixed to the rear end of the cutter body through the thread on the inner wall of the rear end of the cutter body. The cutter head 411 is a circular arc edge blade or a tapered edge blade, and the material of the cutter head 411 is diamond. The cell fixing device 3 includes a plurality of limiting blocks 31 , the limiting blocks 31 are movably fixed on the turntable 21 , and the plurality of limiting blocks 31 form the cell accommodating groove. The separation device 6 for the top cover and the aluminum shell includes a clamping manipulator 61 , and the clamping manipulator 61 is connected with the lifting device 5 and fixed below the lifting device 5 .

To sum up, the beneficial effect of the lithium-ion battery dismantling equipment provided by the utility model is: through the cooperation of the rotating device, the battery fixing device and the wire cutting device, the aluminum shell of the battery is cut at a fixed depth, and then The aluminum shell and the top cover are separated by the top cover and the aluminum shell separation device to complete the dismantling of the battery cell, which can avoid damaging the internal structure of the battery cell during disassembly; improve the dismantling efficiency of the battery cell and ensure the safety during the disassembly process , which greatly improves the traditional way of dismantling aluminum shell cells; avoids impurities such as aluminum scraps introduced by grinding, improves the accuracy of cell failure analysis, and meets the needs of cell analysis, cell structure analysis, and cell failure analysis .

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent transformations made by using the utility model specification and accompanying drawings, or directly or indirectly used in related technical fields, are all the same. The theory is included in the patent protection scope of the present utility model.

Claims (6)

1. a lithium-ion electric core device for disassembling, is characterized in that: comprise frame and the whirligig, battery core fixture, wire-electrode cutting device, lowering or hoisting gear and the top cover that are arranged in frame and aluminum hull separator;

Described whirligig comprises the first drive unit, rotating shaft and rotating disk, described rotating shaft is vertically arranged in frame, described first drive unit is connected with rotating shaft and drive shaft is rotated, described rotating disk is horizontally fixed in rotating shaft, described battery core fixture is fixed on rotating disk, and described battery core fixture is provided with battery core storage tank;

Described wire-electrode cutting device comprises the second drive unit and cutter assembly, and described cutter assembly is arranged on the side of battery core storage tank, and described second drive unit is connected with cutter assembly and drives cutter assembly to move with vertical direction in the horizontal direction respectively;

Described top cover and aluminum hull separator are arranged on the top of battery core storage tank, and described top cover and aluminum hull separator are connected with lowering or hoisting gear and are fixed on below lowering or hoisting gear, and described lowering or hoisting gear drives top cover and the motion of aluminum hull separator in the vertical direction.

2. lithium-ion electric core device for disassembling according to claim 1, is characterized in that: described cutter assembly comprises cutter body, cutter head, tool tip and elastic mechanism; Described cutter body is the cylinder of hollow, and the front end of described cutter body offers pin-and-hole;

Described tool tip comprises head and afterbody, described head hollow, and the diameter of described afterbody and the internal diameter of cutter body match, and described afterbody offers grooved hole, the length direction in described grooved hole and the axial consistent of described cutter body;

Described cutter head is fixedly connected in described head, described afterbody is inserted cutter body front end and is connected by pin with cutter body, described pin is through described pin-and-hole and grooved hole, and described elastic mechanism is arranged at the rear end of described cutter body inside, with the afterbody Elastic Contact of described tool tip.

3. lithium-ion electric core device for disassembling according to claim 2, it is characterized in that: described elastic mechanism comprises spring and adjustment bolt, described spring is placed in the rear end of cutter body inside, with the afterbody Elastic Contact of described tool tip, the rear end inwall of described cutter body is provided with screw thread, described screw thread matches with adjustment bolt, and described adjustment bolt presses spring, is screwed on described cutter body rear end by described cutter body rear end inwall.

4. lithium-ion electric core device for disassembling according to claim 2, is characterized in that: described cutter head is Circular Nose Cutting Edge blade or taper angle of throat sheet.

5. lithium-ion electric core device for disassembling according to claim 1, is characterized in that: described battery core fixture comprises multiple guide vane end stop, and described guide vane end stop is movably fixed on rotating disk, and multiple guide vane end stop forms described battery core storage tank.

6. lithium-ion electric core device for disassembling according to claim 1, is characterized in that: described top cover and aluminum hull separator comprise gripping manipulator, and described gripping manipulator is connected with lowering or hoisting gear and is fixed on below lowering or hoisting gear.