CN115312900A - Laminated battery cell disassembling device and disassembling method thereof - Google Patents
Laminated battery cell disassembling device and disassembling method thereof Download PDFInfo
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- CN115312900A CN115312900A CN202211067444.8A CN202211067444A CN115312900A CN 115312900 A CN115312900 A CN 115312900A CN 202211067444 A CN202211067444 A CN 202211067444A CN 115312900 A CN115312900 A CN 115312900A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 238000004804 winding Methods 0.000 claims abstract description 54
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000004064 recycling Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The invention discloses a laminated battery cell disassembling device and a disassembling method thereof, and relates to the technical field of lithium battery recovery. This laminated battery cell disassembling device includes frame, rotary mechanism, revolving stage, positioning mechanism and winding mechanism. The rotating mechanism is installed on the rack and connected with the rotating platform, the rotating platform is used for bearing the laminated cell, the positioning mechanism is installed on the rotating platform and used for positioning the laminated cell, and the winding mechanism is installed on the rack and arranged above the rotating platform at intervals. Compared with the prior art, the laminated battery cell disassembling device provided by the invention adopts the winding mechanism arranged on the rack and the rotating mechanism connected with the rotating platform, so that the laminated battery cell can be quickly disassembled, the disassembling efficiency is high, the disassembling effect is good, the automation degree is high, time and labor are saved, and the labor cost is saved.
Description
Technical Field
The invention relates to the technical field of lithium battery recovery, in particular to a laminated battery cell disassembling device and a disassembling method thereof.
Background
At present, with the continuous increase of the sales volume of new energy automobiles, the amount of retired batteries also enters a rapid rise period, the conventional battery recycling mode is generally that the lithium batteries are directly disassembled in a crushing mode, the positive electrode, the negative electrode, the diaphragm and electrolyte are all crushed and mixed together, and then separation treatment is sequentially carried out, so that the mode is low in automation degree, serious in pollution and high in disassembly cost. Therefore, it is necessary to develop an automatic technology for disassembling the positive electrode and the negative electrode of the battery without damage, and it is one of the key technical points to take out the positive electrode plate and the negative electrode plate without damage in the disassembling process of the laminated battery cell.
In view of this, it is very important to design and manufacture a laminated battery cell disassembling device with high disassembling efficiency and a disassembling method thereof, especially in lithium battery recycling.
Disclosure of Invention
The invention aims to provide a laminated battery cell disassembling device which can realize quick disassembling of laminated battery cells, is high in disassembling efficiency, good in disassembling effect, high in automation degree, time-saving, labor-saving and labor-saving, and saves labor cost.
Another object of the present invention is to provide a disassembling method for a laminated battery cell disassembling apparatus, which can realize rapid disassembling of a laminated battery cell, and has the advantages of high disassembling efficiency, good disassembling effect, high automation degree, time and labor saving, and labor cost saving.
The invention is realized by adopting the following technical scheme.
The utility model provides a laminated cell disassembling device, which comprises a frame, rotary mechanism, the revolving stage, positioning mechanism and winding mechanism, rotary mechanism installs in the frame, and be connected with the revolving stage, the revolving stage is used for bearing laminated cell, positioning mechanism installs on the revolving stage, positioning mechanism is used for fixing a position laminated cell, winding mechanism installs in the frame, and the interval sets up in the top of revolving stage, winding mechanism is used for rolling the diaphragm of laminated cell, so that positive plate or negative pole piece of compound in the diaphragm expose, rotary mechanism is used for driving laminated cell through the revolving stage and rotate along the first direction when positive plate exposes, with the angle that exposes of increase positive plate, rotary mechanism still is used for driving laminated cell through the revolving stage and rotates along the second direction when negative pole piece exposes, with the angle that exposes of increase negative pole piece, first direction is opposite with the second direction.
Optionally, the rotating mechanism includes a first driving motor, a speed reducer and a rotating frame, the speed reducer is fixedly connected to the rotating frame, the first driving motor is connected to the rotating table through the speed reducer, and the rotating table is rotatably mounted on the rotating frame.
Optionally, the swivel mount includes supporting part, extension and bellying, and the supporting part passes through the extension and is connected with the bellying, and reduction gear and supporting part fixed connection, the hinge hole has been seted up to the bellying, and the one end of revolving stage is provided with first pivot, and the other end is provided with the second pivot, and first pivot and the coaxial setting of second pivot, and all are located the middle part of revolving stage, first pivot and hinge hole normal running fit, second pivot and retarder connection.
Optionally, the positioning mechanism includes a driving cylinder, a movable clamping block and a fixed clamping block, the driving cylinder is mounted on the rotary table and connected with the movable clamping block, the fixed clamping block is fixedly connected to the rotary table, and the driving cylinder is used for driving the movable clamping block to be close to the fixed clamping block so as to clamp the laminated battery cell between the movable clamping block and the fixed clamping block.
Optionally, one side of the movable clamping block, which is close to the fixed clamping block, is provided with a first anti-slip stripe, one side of the fixed clamping block, which is close to the movable clamping block, is provided with a second anti-slip stripe, and both the first anti-slip stripe and the second anti-slip stripe are used for increasing friction force.
Optionally, the winding mechanism includes a second driving motor and a winding roller, the second driving motor is connected to the winding roller, and an axis of the winding roller and a rotation center line of the rotating table are located on the same vertical plane.
Optionally, the winding mechanism further comprises an air pump, a ventilation cavity is arranged in the winding roller, the air pump is communicated with the ventilation cavity, an adsorption hole communicated with the ventilation cavity is formed in the peripheral surface of the winding roller, and the air pump is used for adsorbing the diaphragm on the peripheral surface of the winding roller through the ventilation cavity and the adsorption hole.
Optionally, the laminated battery cell disassembling device further comprises a lifting mechanism and a lifting platform, the lifting mechanism is mounted on the frame and connected with the lifting platform, the rotating mechanism is mounted on the lifting platform, and the lifting mechanism is used for driving the rotating platform to ascend through the lifting platform and the rotating mechanism so that the suspended length of the diaphragm is kept unchanged.
Optionally, the laminated cell disassembling device further comprises a manipulator and a collecting box, the manipulator is mounted on the rack, the position of the manipulator corresponds to the position of the collecting box, and the manipulator is used for taking out the positive plate or the negative plate and placing the positive plate or the negative plate in the collecting box when the positive plate or the negative plate is exposed.
A disassembling method of a laminated battery cell disassembling device is used for the laminated battery cell disassembling device, and comprises the following steps: placing the laminated battery cell on a rotating table, and positioning the laminated battery cell by using a positioning mechanism; leading out the diaphragm positioned on one side of the laminated battery core to a winding mechanism; winding the diaphragm by using a winding mechanism so as to expose the positive plate or the negative plate compounded in the diaphragm; when the positive plate is exposed, the rotating table is driven to rotate along the first direction by the rotating mechanism, and the positive plate is taken out; when the negative pole piece is exposed, the rotating table is driven to rotate along the second direction by the rotating mechanism, and the negative pole piece is taken out.
The laminated cell disassembling device and the disassembling method thereof provided by the invention have the following beneficial effects:
the invention provides a laminated cell disassembling device, wherein a rotating mechanism is arranged on a rack and connected with a rotating table, the rotating table is used for bearing a laminated cell, a positioning mechanism is arranged on the rotating table and used for positioning the laminated cell, a winding mechanism is arranged on the rack and arranged above the rotating table at intervals and used for winding a diaphragm of the laminated cell so as to expose a positive plate or a negative plate compounded in the diaphragm, the rotating mechanism is used for driving the laminated cell to rotate along a first direction through the rotating table when the positive plate is exposed so as to increase the exposure angle of the positive plate, and the rotating mechanism is also used for driving the laminated cell to rotate along a second direction through the rotating table when the negative plate is exposed so as to increase the exposure angle of the negative plate, wherein the first direction is opposite to the second direction. Compared with the prior art, the laminated battery cell disassembling device provided by the invention adopts the winding mechanism arranged on the rack and the rotating mechanism connected with the rotating platform, so that the laminated battery cell can be quickly disassembled, the disassembling efficiency is high, the disassembling effect is good, the automation degree is high, time and labor are saved, and the labor cost is saved.
The disassembling method of the laminated battery cell disassembling device provided by the invention can realize quick disassembling of the laminated battery cell, and has the advantages of high disassembling efficiency, good disassembling effect, high automation degree, time and labor saving and labor cost saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a laminated cell disassembling apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a laminated cell applied to a laminated cell disassembling apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection between a lifting mechanism and a rotating mechanism through a lifting table in the laminated cell disassembling apparatus according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the laminated cell disassembling apparatus according to the embodiment of the present invention when driving the positive plate of the laminated cell to expose;
fig. 5 is a schematic structural diagram of the laminated cell disassembling apparatus according to the embodiment of the present invention when a negative electrode plate of the laminated cell is driven to be exposed;
fig. 6 is a schematic structural diagram of a connection between a rotating mechanism and a rotating table in the laminated cell disassembling apparatus according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a positioning mechanism in a laminated cell disassembling apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a view angle of a winding mechanism in the laminated cell disassembling apparatus according to the embodiment of the present invention;
fig. 9 is a schematic structural diagram of another view angle of the winding mechanism in the laminated cell disassembling apparatus according to the embodiment of the present invention;
fig. 10 is a step block diagram of a disassembling method of the laminated cell disassembling apparatus according to the embodiment of the present invention.
Icon: 100-a laminated cell disassembling device; 110-a frame; 120-a rotation mechanism; 121-a first drive motor; 122-a reducer; 123-a rotating frame; 1231-a strut; 1232-an extension; 1233-boss; 1234-hinge hole; 130-a rotating table; 131-a first rotating shaft; 132-a second shaft; 140-a positioning mechanism; 141-a driving cylinder; 142-a movable clamping block; 143-fixing the clamping block; 144-first anti-slip stripe; 145-second non-slip stripe; 150-a winding mechanism; 151-second drive motor; 152-a wind-up roll; 153-air pump; 154-a vent cavity; 155-adsorption holes; 160-a lifting mechanism; 170-a lifting platform; 180-a manipulator; 190-a collecting box; 200-a laminated cell; 210-a membrane; 220-positive plate; 230-negative plate; 240-fold the cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
Referring to fig. 1 to fig. 5, an embodiment of the invention provides a laminated battery cell disassembling apparatus 100, which is used for disassembling and recycling a laminated battery cell 200. It can realize dismantling fast of lamination electricity core 200, disassemble efficiently, disassemble effectually, and degree of automation is high, and labour saving and time saving practices thrift the cost of labor.
It should be noted that, the laminated battery cell disassembling apparatus 100 is applied to a disassembling process of the laminated battery cell 200, the laminated battery cell 200 includes a diaphragm 210, a plurality of positive plates 220 and a plurality of negative plates 230, wherein the diaphragm 210 is folded in a zigzag manner to form a multi-layer folding cavity 240, the plurality of positive plates 220 and the plurality of negative plates 230 are sequentially and alternately adhered to the multi-layer folding cavity 240, the laminated battery cell disassembling apparatus 100 is configured to wind the diaphragm 210, and take out the positive plates 220 and the negative plates 230 located in the folding cavity 240, so as to detach and recover the diaphragm 210, the positive plates 220 and the negative plates 230, thereby achieving rapid disassembling of the laminated battery cell 200, and further achieving efficient recovery of the lithium battery.
The laminated battery cell disassembling device 100 comprises a rack 110, a rotating mechanism 120, a rotating table 130, a positioning mechanism 140, a winding mechanism 150, a lifting mechanism 160, a lifting table 170, a manipulator 180 and a collecting box 190. The rotating mechanism 120 is mounted on the rack 110 and connected to the rotating table 130, the rotating table 130 is used for carrying the laminated battery cell 200, and the rotating mechanism 120 can drive the laminated battery cell 200 to rotate through the rotating table 130. The positioning mechanism 140 is installed on the rotating table 130, and the positioning mechanism 140 is configured to position the laminated cell 200 to prevent the laminated cell 200 from being detached from the rotating table 130. The winding mechanism 150 is mounted on the frame 110 and disposed above the rotating table 130 at intervals, and the winding mechanism 150 is configured to wind the separator 210 of the laminated battery cell 200, so that the positive electrode sheet 220 or the negative electrode sheet 230 compounded in the separator 210 is exposed. The rotating mechanism 120 is configured to drive the laminated battery cell 200 to rotate in the first direction through the rotating table 130 when the positive electrode sheet 220 is exposed, so as to increase an exposure angle of the positive electrode sheet 220, and facilitate taking out the positive electrode sheet 220; the rotating mechanism 120 is further configured to drive the laminated battery cell 200 to rotate along the second direction through the rotating table 130 when the negative electrode tabs 230 are exposed, so as to increase the exposure angle of the negative electrode tabs 230, and facilitate taking out the negative electrode tabs 230; first direction is opposite with the second direction, and rotary mechanism 120 drives lamination electricity core 200 through revolving stage 130 earlier and rotates towards the first direction, is taking out the back with positive plate 220, and rotary mechanism 120 drives lamination electricity core 200 through revolving stage 130 again and rotates towards the second direction to take out negative pole piece 230, so circulation is repeated, realizes dismantling fast of lamination electricity core 200, and it is efficient to disassemble, disassembles effectually, and degree of automation is high, and labour saving and time saving practices thrift the cost of labor.
It should be noted that the manipulator 180 is mounted on the frame 110, the position of the manipulator 180 corresponds to the position of the collection box 190, and the manipulator 180 is used for taking out the positive plate 220 or the negative plate 230 and placing the positive plate 220 or the negative plate 230 into the collection box 190 when the positive plate 220 or the negative plate 230 is exposed, so as to achieve automatic nondestructive disassembly of the positive plate 220 and the negative plate 230 and improve disassembly efficiency. Specifically, the number of the manipulators 180 and the collection boxes 190 is two, the two manipulators 180 are both mounted on the rack 110 and are oppositely arranged on two sides of the rotating platform 130, the position of each manipulator 180 corresponds to the position of one collection box 190, one manipulator 180 is used for taking out the positive plate 220 and placing the positive plate 220 in one collection box 190 when the positive plate 220 is exposed, and the other manipulator 180 is used for taking out the negative plate 230 and placing the negative plate 230 in the other collection box 190 when the negative plate 230 is exposed, so that the disassembled positive plate 220 and the disassembled negative plate 230 are respectively in a regular stacking state, and subsequent processing is facilitated.
In this embodiment, the manipulator 180 sucks the pole piece (the positive pole piece 220 or the negative pole piece 230) by using a suction cup to vacuumize, so as to take out the pole piece from the separator 210, and transfer and collect the pole piece. But not limited to this, in other embodiments, the robot 180 may also clamp the pole pieces by clamping, so as to take out, transfer and collect the pole pieces, and the type of the robot 180 is not particularly limited.
It should be noted that the lifting mechanism 160 is installed on the frame 110 and connected to the lifting table 170, the rotating mechanism 120 is installed on the lifting table 170, and the lifting mechanism 160 is configured to drive the rotating table 130 to ascend through the lifting table 170 and the rotating mechanism 120, so as to drive the laminated battery cell 200 to ascend, so that the suspended length of the separator 210 is kept unchanged. Specifically, in the disassembling process of the laminated battery cell 200, the winding mechanism 150 continuously winds the diaphragm 210, and the manipulator 180 continuously takes out the positive plate 220 and the negative plate 230, so as to continuously reduce the thickness of the laminated battery cell 200 on the rotating table 130, in order to ensure that the suspended length of the diaphragm 210 between the winding mechanism 150 and the laminated battery cell 200 remains unchanged, the lifting mechanism 160 is controlled to drive the laminated battery cell 200 to continuously rise, the rising speed is equal to the thickness reduction speed of the laminated battery cell 200, so as to ensure that the exposure angle of each positive plate 220 or negative plate 230 is the same in the process that the rotating mechanism 120 drives the laminated battery cell 200 to rotate along the first direction or the second direction each time, so that the manipulator 180 can take out the positive plate 220 or the negative plate 230 from the same position each time, thereby preventing the mutual interference between the manipulator 180 and the diaphragm 210, and ensuring the disassembling effect.
In this embodiment, the lifting mechanism 160 drives the lifting platform 170 to lift in a manner of matching the motor and the screw nut transmission structure, but not limited thereto, in other embodiments, the lifting mechanism 160 may be a hydraulic cylinder or a pneumatic cylinder, and the type of the lifting mechanism 160 is not particularly limited.
Referring to fig. 6, the rotating mechanism 120 includes a first driving motor 121, a reducer 122 and a rotating frame 123. The speed reducer 122 is fixedly connected to the rotating frame 123, the first driving motor 121 is connected to the rotating table 130 through the speed reducer 122, the first driving motor 121 is used for driving the rotating table 130 to rotate, and the speed reducer 122 is used for increasing torque and reducing rotating speed. The rotating table 130 is rotatably mounted on the rotating frame 123, and the rotating frame 123 can limit the rotating table 130 to prevent the rotating table 130 from being separated from the speed reducer 122. The rotating frame 123 is fixedly connected to the lifting platform 170, and the lifting mechanism 160 can drive the rotating frame 123 to lift through the lifting platform 170, so as to drive the whole rotating mechanism 120 and the rotating platform 130 to lift.
The rotating frame 123 includes a support part 1231, an extension part 1232, and a boss part 1233. The supporting portion 1231 is connected to the boss 1233 through the extending portion 1232, and in the present embodiment, the supporting portion 1231, the extending portion 1232 and the boss 1233 are integrally formed to improve the connection strength. The reducer 122 is fixedly connected to the support 1231, the support 1231 is fixedly connected to the lifting table 170, and the support 1231 can support and fix the reducer 122 and the first driving motor 121. Hinge hole 1234 has been seted up to bellying 1233, the one end of revolving stage 130 is provided with first pivot 131, the other end is provided with second pivot 132, first pivot 131 sets up with second pivot 132 is coaxial, and all be located the middle part of revolving stage 130, first pivot 131 and hinge hole 1234 normal running fit, second pivot 132 is connected with reduction gear 122, first driving motor 121 can drive second pivot 132 through reduction gear 122 and rotate, thereby drive lamination electricity core 200 through revolving stage 130 and rotate, and then drive first pivot 131 and rotate for hinge hole 1234, bellying 1233 can carry on spacingly through the cooperation of first pivot 131 with hinge hole 1234 to revolving stage 130, with the rotation process of guaranteeing revolving stage 130 reliable and stable.
Referring to fig. 7, the positioning mechanism 140 includes a driving cylinder 141, a movable clamping block 142, and a fixed clamping block 143. The driving cylinder 141 is installed on the rotating platform 130 and connected to the movable clamping block 142, and the driving cylinder 141 can drive the movable clamping block 142 to move relative to the rotating platform 130. The fixed clamping block 143 is fixedly connected to the rotating table 130, and the driving cylinder 141 is configured to drive the movable clamping block 142 to be close to the fixed clamping block 143, so as to clamp the laminated battery cell 200 between the movable clamping block 142 and the fixed clamping block 143, thereby positioning the laminated battery cell 200 and preventing the laminated battery cell 200 from being separated from the rotating table 130. Specifically, the heights of the movable clamping blocks 142 and the fixed clamping blocks 143 are greater than or equal to the initial thickness of the laminated cell 200, so as to better position the laminated cell 200 and further prevent the laminated cell 200 from being separated from the rotating table 130.
In this embodiment, a first anti-slip stripe 144 is disposed on one side of the movable clamping block 142 close to the fixed clamping block 143, a second anti-slip stripe 145 is disposed on one side of the fixed clamping block 143 close to the movable clamping block 142, and both the first anti-slip stripe 144 and the second anti-slip stripe 145 are used for contacting with a side surface of the laminated battery cell 200 to increase a friction force between the movable clamping block 142 or the fixed clamping block 143 and the laminated battery cell 200, so that firstly, a multi-layer pole piece can be prevented from being pulled up at one time due to an excessive tension in a winding process of the diaphragm 210, and secondly, a phenomenon that the diaphragm 210 or the pole piece slides down in a rotation and inclination process of the laminated battery cell 200 can be prevented.
In this embodiment, the number of the driving cylinders 141, the movable clamping blocks 142 and the fixed clamping blocks 143 is two, wherein each driving cylinder 141 is connected to one movable clamping block 142, one movable clamping block 142 is opposite to one fixed clamping block 143, the other movable clamping block 142 is opposite to the other fixed clamping block 143, and a connecting line between one movable clamping block 142 and one fixed clamping block 143 is perpendicular to a connecting line between the other movable clamping block 142 and the other fixed clamping block 143, so as to improve the positioning effect.
Referring to fig. 8 and 9, the winding mechanism 150 includes a second driving motor 151, a winding roller 152, and an air pump 153. Second driving motor 151 is connected with wind-up roll 152, and second driving motor 151 is used for driving wind-up roll 152 to rotate to make diaphragm 210 convolute outside wind-up roll 152, thereby realize that the rolling of diaphragm 210 is retrieved. Specifically, the axis of the wind-up roller 152 and the rotation center line of the rotating platform 130 are located on the same vertical plane, and the laminated battery cell 200 is located in the middle of the rotating platform 130, so as to ensure that the wind-up roller 152 is located directly above the laminated battery cell 200 all the time, and thus, the exposure angle of the positive plate 220 when the rotating mechanism 120 drives the laminated battery cell 200 to rotate to the first limit position along the first direction is the same as the exposure angle of the negative plate 230 when the rotating mechanism 120 drives the laminated battery cell 200 to rotate to the second limit position along the second direction, so that the whole disassembly process is balanced and stable, and the positive plate 220 and the negative plate 230 can be taken out conveniently.
In this embodiment, a ventilation cavity 154 is provided in the wind-up roller 152, the air pump 153 is communicated with the ventilation cavity 154, the circumferential surface of the wind-up roller 152 is provided with an adsorption hole 155 communicated with the ventilation cavity 154, the air pump 153 is used for sucking air, so that the diaphragm 210 is adsorbed on the circumferential surface of the wind-up roller 152 through the ventilation cavity 154 and the adsorption hole 155, vacuum adsorption of the innermost diaphragm 210 wound outside the wind-up roller 152 is realized, the relative position of the diaphragm 210 and the wind-up roller 152 is fixed, the diaphragm 210 is prevented from being displaced relative to the wind-up roller 152, and the stability and reliability of the winding process are ensured.
Referring to fig. 10, an embodiment of the present invention further provides a disassembling method for a laminated battery cell disassembling apparatus, including the following steps:
step S110: the laminated battery cell 200 is placed on the rotating table 130, and the laminated battery cell 200 is positioned by the positioning mechanism 140.
In step S110, first, the rotating table 130 is rotated to a horizontal position, and the laminated battery cell 200 is placed in the middle of the rotating table 130, so that one side of the laminated battery cell 200 abuts against the fixed clamping block 143; and then, the driving cylinder 141 is started to drive the movable clamping block 142 to be close to the fixed clamping block 143, so that the laminated battery cell 200 is clamped between the movable clamping block 142 and the fixed clamping block 143, and the positioning of the laminated battery cell 200 is completed.
Step S120: the separator 210 on the side of the laminated cell 200 is drawn out to the winding mechanism 150.
In step S120, firstly, the separator 210 is drawn out from the side of the laminated battery cell 200 away from the rotating table 130, and the separator 210 is drawn out to the outer circumference of the winding and winding roller 152, in the process, the positive electrode tab 220 and the negative electrode tab 230 clamped in the drawn-out part of the separator 210 are manually taken out; and then the air pump 153 is started to generate negative pressure so as to perform vacuum adsorption on the diaphragm 210 and fix the relative position of the diaphragm 210 and the take-up roll 152.
Step S130: the separator 210 is wound by the winding mechanism 150, so that the positive electrode sheet 220 or the negative electrode sheet 230 incorporated in the separator 210 is exposed.
It should be noted that, in step S130, the second driving motor 151 is started to drive the winding roller 152 to rotate, so as to wind the separator 210, and in the process, the winding roller 152 continuously pulls out the separator 210 from the laminated battery cell 200, so as to sequentially open the multilayer folding cavities 240, so that the plurality of positive electrode sheets 220 and the plurality of negative electrode sheets 230 clamped in the separator 210 are sequentially exposed, and are conveniently taken out and recovered. Meanwhile, the lifting mechanism 160 continuously drives the laminated cell 200 to continuously rise, and the rising speed is equal to the thickness reduction speed of the laminated cell 200, so as to ensure that the suspended length of the diaphragm 210 between the winding mechanism 150 and the laminated cell 200 is kept unchanged.
Step S140: when the positive electrode sheet 220 is exposed, the rotating mechanism 120 is used for driving the rotating platform 130 to rotate along the first direction, and the positive electrode sheet 220 is taken out; when the negative electrode sheet 230 is exposed, the rotating table 130 is driven by the rotating mechanism 120 to rotate in the second direction, and the negative electrode sheet 230 is taken out.
In step S140, in the process of winding the separator 210 by using the winding roller 152 to expose the positive plate 220, the rotating mechanism 120 is used to drive the rotating table 130 to rotate along the first direction to increase the exposed angle of the positive plate 220, when the rotating mechanism 120 drives the laminated battery cell 200 to rotate to the first limit position, the exposed angle of the positive plate 220 is the largest, and at this time, the manipulator 180 is used to remove the positive plate 220 from the separator 210 and place the same in the collection box 190, thereby completing the disassembly and recovery of one positive plate 220; in the process of winding the separator 210 by using the winding roller 152 to expose the negative electrode plates 230, the rotating table 130 is driven by the rotating mechanism 120 to rotate along the second direction to increase the exposure angle of the negative electrode plates 230, when the rotating mechanism 120 drives the laminated battery cell 200 to rotate to the second limit position, the exposure angle of the negative electrode plates 230 is the largest, and at this time, the negative electrode plates 230 are taken down from the separator 210 by using the manipulator 180 and placed in the collection box 190, so that the disassembly and recovery of one negative electrode plate 230 are completed; the above cycle is repeated until all the positive plates 220 and the negative plates 230 in the whole laminated battery cell 200 are taken out, so as to realize the rapid disassembly and recovery of the laminated battery cell 200.
In the laminated battery cell disassembling apparatus 100 provided in the embodiment of the present invention, the rotating mechanism 120 is mounted on the rack 110 and connected to the rotating table 130, the rotating table 130 is configured to carry the laminated battery cell 200, the positioning mechanism 140 is mounted on the rotating table 130, the positioning mechanism 140 is configured to position the laminated battery cell 200, the winding mechanism 150 is mounted on the rack 110 and is disposed above the rotating table 130 at intervals, the winding mechanism 150 is configured to wind the separator 210 of the laminated battery cell 200 so as to expose the positive plate 220 or the negative plate 230 compounded in the separator 210, the rotating mechanism 120 is configured to drive the laminated battery cell 200 to rotate in a first direction through the rotating table 130 when the positive plate 220 is exposed so as to increase an exposure angle of the positive plate 220, and the rotating mechanism 120 is further configured to drive the laminated battery cell 200 to rotate in a second direction through the rotating table 130 when the negative plate 230 is exposed so as to increase an exposure angle of the negative plate 230, where the first direction is opposite to the second direction. Compared with the prior art, the laminated battery cell disassembling device 100 provided by the invention adopts the winding mechanism 150 arranged on the rack 110 and the rotating mechanism 120 connected with the rotating table 130, so that the laminated battery cell 200 can be quickly disassembled, the disassembling efficiency is high, the disassembling effect is good, the automation degree is high, the time and the labor are saved, and the labor cost is saved. The disassembly method of the laminated battery core disassembly device is automatic and efficient, and the recovery efficiency of the lithium battery can be effectively improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The laminated battery cell disassembling device is characterized by comprising a rack (110), a rotating mechanism (120), a rotating table (130), a positioning mechanism (140) and a rolling mechanism (150), wherein the rotating mechanism (120) is installed on the rack (110) and connected with the rotating table (130), the rotating table (130) is used for bearing laminated battery cells (200), the positioning mechanism (140) is installed on the rotating table (130), the positioning mechanism (140) is used for positioning the laminated battery cells (200), the rolling mechanism (150) is installed on the rack (110) and is arranged above the rotating table (130) at intervals, the rolling mechanism (150) is used for rolling a diaphragm (210) of the laminated battery cells (200) so as to enable positive plates (220) or negative plates (230) compounded in the diaphragm (210) to be exposed, the rotating mechanism (120) is used for driving the laminated battery cells (200) to rotate along a first direction through the rotating table (130) when the positive plates (220) are exposed, so as to increase the exposure angle of the positive plates (220), and the rotating mechanism (120) is used for driving the negative plates (230) to rotate along a second direction when the negative plates (130) are exposed, the first direction is opposite to the second direction.
2. The device for disassembling laminated battery cells according to claim 1, wherein the rotating mechanism (120) comprises a first driving motor (121), a speed reducer (122) and a rotating frame (123), the speed reducer (122) is fixedly connected to the rotating frame (123), the first driving motor (121) is connected to the rotating table (130) through the speed reducer (122), and the rotating table (130) is rotatably mounted on the rotating frame (123).
3. The laminated cell disassembling device of claim 2, wherein the rotating frame (123) includes a supporting portion (1231), an extending portion (1232) and a protruding portion (1233), the supporting portion (1231) is connected to the protruding portion (1233) through the extending portion (1232), the speed reducer (122) is fixedly connected to the supporting portion (1231), a hinge hole (1234) is formed in the protruding portion (1233), one end of the rotating table (130) is provided with a first rotating shaft (131), the other end of the rotating table is provided with a second rotating shaft (132), the first rotating shaft (131) is coaxial with the second rotating shaft (132) and is located in the middle of the rotating table (130), the first rotating shaft (131) is in rotation fit with the hinge hole (1234), and the second rotating shaft (132) is connected to the speed reducer (122).
4. The laminated battery cell disassembling device according to claim 1, wherein the positioning mechanism (140) includes a driving cylinder (141), a movable clamping block (142), and a fixed clamping block (143), the driving cylinder (141) is mounted on the rotating table (130) and connected to the movable clamping block (142), the fixed clamping block (143) is fixedly connected to the rotating table (130), and the driving cylinder (141) is configured to drive the movable clamping block (142) to be close to the fixed clamping block (143) so as to clamp the laminated battery cell (200) between the movable clamping block (142) and the fixed clamping block (143).
5. The laminated battery cell disassembling device according to claim 4, wherein a first anti-slip stripe (144) is arranged on one side of the movable clamping block (142) close to the fixed clamping block (143), a second anti-slip stripe (145) is arranged on one side of the fixed clamping block (143) close to the movable clamping block (142), and both the first anti-slip stripe (144) and the second anti-slip stripe (145) are used for increasing friction force.
6. The laminated cell disassembling device according to claim 1, wherein the winding mechanism (150) comprises a second driving motor (151) and a winding roller (152), the second driving motor (151) is connected to the winding roller (152), and an axis of the winding roller (152) and a rotation center line of the rotating table (130) are located on the same vertical plane.
7. The laminated battery cell disassembling device according to claim 6, wherein the winding mechanism (150) further comprises an air pump (153), a ventilation cavity (154) is arranged in the winding roller (152), the air pump (153) is communicated with the ventilation cavity (154), an adsorption hole (155) communicated with the ventilation cavity (154) is formed in the peripheral surface of the winding roller (152), and the air pump (153) is used for adsorbing the diaphragm (210) on the peripheral surface of the winding roller (152) through the ventilation cavity (154) and the adsorption hole (155).
8. The laminated cell disassembling device according to claim 1, further comprising an elevating mechanism (160) and an elevating platform (170), wherein the elevating mechanism (160) is mounted on the frame (110) and connected to the elevating platform (170), the rotating mechanism (120) is mounted on the elevating platform (170), and the elevating mechanism (160) is configured to drive the rotating platform (130) to ascend through the elevating platform (170) and the rotating mechanism (120) so as to keep the suspended length of the diaphragm (210) constant.
9. The laminated cell disassembling apparatus according to claim 1, further comprising a manipulator (180) and a collection box (190), wherein the manipulator (180) is mounted on the rack (110), the position of the manipulator (180) corresponds to the position of the collection box (190), and the manipulator (180) is configured to take out the positive plate (220) or the negative plate (230) and place the positive plate (220) or the negative plate (230) in the collection box (190) when the positive plate (220) or the negative plate (230) is exposed.
10. A disassembling method of a laminated cell disassembling apparatus according to any one of claims 1 to 9, for use of the laminated cell disassembling apparatus, comprising:
-placing the laminated cell (200) on the rotary table (130) and positioning the laminated cell (200) with the positioning mechanism (140);
-leading out the separator (210) on the side of the laminated cell (200) to the take-up mechanism (150);
rolling the diaphragm (210) by using the rolling mechanism (150) so as to expose the positive electrode sheet (220) or the negative electrode sheet (230) compounded in the diaphragm (210);
when the positive plate (220) is exposed, the rotating mechanism (120) is utilized to drive the rotating platform (130) to rotate along the first direction, and the positive plate (220) is taken out; when the negative pole piece (230) is exposed, the rotating table (130) is driven to rotate along the second direction by the rotating mechanism (120), and the negative pole piece (230) is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211067444.8A CN115312900A (en) | 2022-09-01 | 2022-09-01 | Laminated battery cell disassembling device and disassembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211067444.8A CN115312900A (en) | 2022-09-01 | 2022-09-01 | Laminated battery cell disassembling device and disassembling method thereof |
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| CN115312900A true CN115312900A (en) | 2022-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239278A (en) * | 2023-11-13 | 2023-12-15 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239278A (en) * | 2023-11-13 | 2023-12-15 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
| CN117239278B (en) * | 2023-11-13 | 2024-03-12 | 中创新航科技集团股份有限公司 | Battery cell disassembling method and battery cell disassembling device |
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