CN116995328A - Recycling device and recycling method for waste lithium iron phosphate battery anode material - Google Patents
Recycling device and recycling method for waste lithium iron phosphate battery anode material Download PDFInfo
- Publication number
- CN116995328A CN116995328A CN202311237532.2A CN202311237532A CN116995328A CN 116995328 A CN116995328 A CN 116995328A CN 202311237532 A CN202311237532 A CN 202311237532A CN 116995328 A CN116995328 A CN 116995328A
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- Prior art keywords
- diaphragm
- sliding
- frame
- hollow
- motor
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 23
- 239000002699 waste material Substances 0.000 title claims abstract description 22
- 239000010405 anode material Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004064 recycling Methods 0.000 title claims description 17
- 238000007790 scraping Methods 0.000 claims abstract description 32
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 42
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000007774 positive electrode material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the technical field of battery recovery, in particular to a waste lithium iron phosphate battery anode material recovery device and a waste lithium iron phosphate battery anode material recovery method. Including mount pad, electric putter one, sliding seat, roller, hollow scraper blade and connection torsional spring etc. be connected with two electric putter one on the mount pad, two sliding seat all with mount pad sliding connection, the sliding seat is connected with electric putter one's telescopic link to sliding seat drive back-and-forth slip, all rotationally be connected with roller and hollow scraper blade on the sliding seat, connect hollow scraper blade and sliding seat are connected to the torsional spring. According to the invention, the roller shaft can clamp the pull-out end of the diaphragm and pull the diaphragm to the right, the end part of the hollow scraping plate can always contact with the surface of the diaphragm under the action of the elasticity of the connecting torsion spring, then the diaphragm can be conveyed to the right to be pulled out continuously through the rotation of the roller shaft, the hollow scraping plate can automatically scrape off the pole piece attached to the diaphragm, the working efficiency can be improved, and confusion of positive and negative pole pieces can be prevented.
Description
Technical Field
The invention relates to the technical field of battery recovery, in particular to a waste lithium iron phosphate battery anode material recovery device and a waste lithium iron phosphate battery anode material recovery method.
Background
The lithium iron phosphate battery is a lithium ion battery, and is widely applied to the fields of electric automobiles, energy storage systems, mobile electronic equipment and the like due to the advantages of high energy density, long service life, low cost and the like.
At present, when black powder is recovered from a waste lithium iron phosphate battery, the outer shell is usually required to be disassembled firstly, then the battery core is taken out from the outer shell, then the diaphragm is pulled out and unfolded manually, then the positive electrode and the negative electrode are separated, and then the positive electrode is crushed and recovered. However, the longer and stack together of diaphragm, lead to the manual work to take longer time to expand the diaphragm completely, work efficiency is lower, and manual operation's precision is lower moreover, can confuse positive pole and negative pole, leads to the purity of follow-up recovery black powder lower.
Disclosure of Invention
In view of the above, the invention provides a device and a method for recycling the anode material of the waste lithium iron phosphate battery, which can overcome the defects that the working efficiency is lower and the purity of the black powder is affected when the black powder of the waste lithium iron phosphate battery is manually recycled.
The technical implementation scheme of the invention is as follows:
the utility model provides a waste and old lithium iron phosphate battery positive pole material recovery plant, including the bottom plate, collect the frame, the mounting bracket, guide bar and mount pad, a plurality of collection frames that are used for collecting pole piece and diaphragm respectively have been placed to the interval on the bottom plate, the mounting bracket is connected with the bottom plate, be connected with two guide bars on the mounting bracket, mount pad and guide bar sliding connection and can left and right sides slip, still including the controller, electric putter one, the sliding seat, the roller, hollow scraper blade, connect the torsional spring, motor one, the subassembly of blowing, actuating assembly and feed mechanism, the controller is installed on the mounting bracket, be connected with two electric putter one on the mount pad, two sliding seats all with mount pad sliding connection, the telescopic link of sliding seat and electric putter one, with sliding seat drive back-and-forth slip, all rotationally be connected with roller and hollow scraper blade on the sliding seat, hollow scraper blade and roller are connected with the hollow scraper blade to the contact with the pulling end of diaphragm, in order to provide the hollow scraper blade hug closely the power of diaphragm, motor one and sliding seat are connected, the output shaft and the connection of motor one, with the roller shaft of motor one is connected with the actuating assembly, with the drive roller shaft to drive the electric putter one and can be used for carrying out the electric pole piece to roll on the electric motor and the electric motor is connected with the hollow scraper blade and the electric core, the electric motor is used for the electric motor to roll on the electric motor and the device to roll the electric motor and the electric rod to roll device to the electric device.
Preferably, the blowing assembly comprises an electromagnetic valve and a connector, the hollow scraping plates are provided with strip-shaped openings, the connector is communicated with the hollow scraping plates, the electromagnetic valve is arranged on the connector, and the connector is used for externally connecting air so that the air can be blown out through the strip-shaped openings to blow off the pole pieces.
Preferably, the driving assembly comprises a screw rod and a motor II, the screw rod is rotationally connected with the mounting frame, the mounting seat is in threaded connection with the screw rod, so that the screw rod can rotate to drive the mounting seat to move left and right, the motor II is connected with the mounting frame, an output shaft of the motor II is connected with the screw rod to drive the screw rod to rotate, and the motor II is electrically connected with the controller.
Preferably, the feeding mechanism comprises a mounting shell, a chain plate conveyor, a limiting frame, connecting seats, rotary inserting rods and a distance sensor, wherein the mounting shell is connected with a bottom plate, the chain plate conveyor is mounted in the mounting shell, the mounting shell is symmetrically connected with the limiting frame for limiting the chain plate of the chain plate conveyor, the chain plate of the chain plate conveyor is connected with a plurality of connecting seats at intervals, the connecting seats are uniformly and rotatably connected with the rotary inserting rods for fixing the battery cells, the distance sensor is connected with the mounting shell, and the chain plate conveyor and the distance sensor are electrically connected with a controller.
Preferably, the hollow scraper further comprises a limiting rod, and the sliding seats are connected with limiting rods for limiting the hollow scraper.
Preferably, the electric power generation device further comprises a limiting mechanism, wherein the limiting mechanism comprises a limiting plate, a connecting cylinder, an electric push rod II and a stop lever, the limiting plate is connected with the installation shell to limit an electric core on the rotary inserting rod, the connecting cylinder is connected with the installation shell, the electric push rod II is connected with the connecting cylinder, the electric push rod II is electrically connected with the controller, and the stop lever is connected with a telescopic rod of the electric push rod II to drive the stop lever to move up and down.
Preferably, the device further comprises a protective cover, wherein the protective cover is connected with the mounting frame and is used for blocking splashed scraps and electrolyte.
Preferably, the device further comprises a conveying mechanism, the conveying mechanism comprises a connecting frame, a sliding frame, an electric push rod III and a conveying assembly, the connecting frame is symmetrically connected to the mounting frame, the sliding frame is in sliding connection with the connecting frame and can slide back and forth, the electric push rod III is connected with the connecting frame, a telescopic rod of the electric push rod III is connected with the sliding frame to drive the sliding frame to slide back and forth, the conveying assembly is arranged on the sliding frame, the conveying assembly can move along with the sliding frame to the inner side to clamp the diaphragm, and the electric push rod III and the conveying assembly are all electrically connected with the controller.
Preferably, the device further comprises a shaking mechanism, the shaking mechanism comprises a supporting plate, a reciprocating motor, a sliding rod, a fixed seat and a roller, the supporting plate is connected with the sliding frame, the reciprocating motor is connected with the supporting plate, the reciprocating motor is electrically connected with the controller, the sliding rod is in sliding connection with the supporting plate and can slide back and forth, the fixed seat is connected with the sliding rod, an output shaft of the reciprocating motor is connected with the fixed seat so as to drive the fixed seat to move back and forth, and the roller is rotationally connected with the fixed seat so that the roller can strike the diaphragm along with the back and forth reciprocating motion of the fixed seat.
The invention also provides a recycling method of the waste lithium iron phosphate battery anode material recycling equipment, which comprises the following steps: firstly, pull out a section distance to the right with the diaphragm tip on the electric core, insert the electric core again and rotate on the inserted bar, carry the electric core backward through the link joint conveyer, when distance sensor detects that its and diaphragm pull-out end between the distance to reach the default, the distance sensor can send the signal, can control the link joint conveyer and stop work after receiving the signal, make the electric core stop moving, the controller can control motor two drive lead screw rotation, drive mount pad, roller and hollow scraper blade to left movement, make the pull-out end of diaphragm be located between two roller, then the controller can control electric putter one drive sliding seat to the inboard motion, drive roller and hollow scraper blade to inboard motion, roller and hollow scraper blade all contact with the pull-out end of diaphragm, then the controller can control motor two drive lead screw reversal, the lead screw can drive mount pad, roller and hollow scraper blade to right movement, the pull-out end of diaphragm moves to the right, make the diaphragm expand, can control motor one drive the roller to rotate, the roller can carry the pull-out end of diaphragm to the right, thereby can drive the scraper blade to the inboard motion, the positive electrode can be followed to the positive electrode to drop to the negative electrode, the collector frame that falls to the positive electrode plate that falls down in, the frame that the hollow scraper blade is followed to the collector frame that falls down.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the roller shaft can clamp the pull-out end of the diaphragm and pull the diaphragm to the right, the end part of the hollow scraping plate can always contact with the surface of the diaphragm under the action of the elasticity of the connecting torsion spring, then the diaphragm can be conveyed to the right to be pulled out continuously through the rotation of the roller shaft, the hollow scraping plate can automatically scrape off the pole piece attached to the diaphragm, the working efficiency can be improved, and confusion of positive and negative pole pieces can be prevented.
2. According to the invention, the battery cell can be limited by the limiting mechanism, and the battery cell can be prevented from autorotation in the process of conveying the battery cell backwards by rotating the inserted link, so that the drawing end of the diaphragm of the battery cell can be always kept in a right state, and the roller shaft can clamp the drawing end of the diaphragm.
3. According to the invention, the three electric push rods drive the conveying assembly to move inwards to clamp the diaphragm, so that the diaphragm between the conveying assembly and the roll shaft can be in a straightened state, and the hollow scraper can better scrape the pole piece attached to the diaphragm.
4. According to the invention, the reciprocating motor drives the roller to reciprocate back and forth, so that the diaphragm can be slightly hit, the diaphragm vibrates, the loose pole piece attached to the diaphragm can directly drop down into a proper collecting frame, the tight pole piece attached to the diaphragm can be loosened, and the pole piece can be scraped off by a follow-up hollow scraper.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a partial perspective structure of the present invention.
Fig. 3 is a schematic view of the mounting seat of the present invention sliding on the guide rod.
Fig. 4 is a schematic view showing a specific structure of the mounting seat of the present invention.
Fig. 5 is a schematic perspective view of a sliding seat according to the present invention.
Fig. 6 is a schematic perspective view of the first motor, connecting torsion springs, a stop lever and a motor.
FIG. 7 is a cross-sectional view of the hollow flight of the present invention.
Fig. 8 is a schematic perspective view of a driving assembly according to the present invention.
Fig. 9 is a schematic perspective view of a feeding mechanism according to the present invention.
Fig. 10 is a schematic perspective view of a link plate conveyor, a connecting seat and a rotary insert rod according to the present invention.
Fig. 11 is a schematic perspective view of a limiting mechanism according to the present invention.
Fig. 12 is a schematic perspective view of a conveying mechanism according to the present invention.
Fig. 13 is a schematic view showing a specific structure of the conveying mechanism of the present invention.
Fig. 14 is a schematic perspective view of a dithering mechanism according to the present invention.
Fig. 15 is a schematic perspective view of the sliding rod, the fixing base and the roller according to the present invention.
Fig. 16 is a schematic perspective view of the reciprocating motor and the fixing base of the present invention.
Meaning of reference numerals in the drawings: 1. the device comprises a bottom plate, 101, a controller, 102, a solenoid valve, 2, a collecting frame, 3, a mounting frame, 4, a guide rod, 5, a mounting seat, 6, a first electric push rod, 7, a sliding seat, 8, a roll shaft, 9, a hollow scraping plate, 91, a strip-shaped opening, 10, a connector, 11, a connecting torsion spring, 12, a limiting rod, 13, a first motor, 141, a screw rod, 142, a second motor, 15, a feeding mechanism, 151, a mounting shell, 152, a chain plate conveyor, 153, a limiting frame, 154, a connecting seat, 155, a rotary inserting rod, 156, a distance sensor, 16, a limiting mechanism, 161, a limiting plate, 162, a connecting cylinder, 163, a second electric push rod, 164, a stop lever, 17, a protective cover, 181, a connecting frame, 182, a sliding frame, 183, a third electric push rod, 184, a conveying assembly, 191, a support plate, 192, a reciprocating motor, 193, a sliding rod, 194, a fixing seat, 195 and a roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: the utility model provides a waste lithium iron phosphate battery positive electrode material recovery device and recovery method, as shown in figure 1-figure 10, including bottom plate 1, controller 101, solenoid valve 102, collection frame 2, mounting bracket 3, guide bar 4, mount pad 5, electric putter one 6, sliding seat 7, roller 8, hollow scraper 9, connect 10, connect torsional spring 11, gag lever post 12, motor one 13, lead screw 141, motor two 142 and feed mechanism 15, three collection frame 2 has been placed to the interval on bottom plate 1, bottom plate 1 top rear side is connected with mounting bracket 3, mounting bracket 3 right side upper portion is connected with controller 101, mounting bracket 3 upper portion is connected with two guide bars 4, sliding connection has mount pad 5 between two guide bars 4, electric putter one 6 is connected with both sides of mount pad 5, sliding seat 7 is connected with on the mount pad 5 in front-back symmetry sliding, sliding seat 7 and electric putter one 6 one-to-one, the telescopic rods of the first electric push rod 6 are connected with the corresponding sliding seat 7, the lower parts of the sliding seats 7 are respectively and rotatably connected with a roll shaft 8 and a hollow scraping plate 9, strip-shaped openings 91 are respectively formed in the sides, away from each other, of the hollow scraping plate 9, joints 10 are respectively and rotatably connected with the upper parts of the sides, away from each other, of the hollow scraping plate 9, electromagnetic valves 102 are respectively and rotatably installed on the joints 10, connecting torsion springs 11 are respectively and rotatably connected between the hollow scraping plate 9 and the adjacent sliding seat 7, limiting rods 12 are respectively and rotatably connected with the lower parts of the sliding seats 7, the limiting rods 12 block the sides, close to each other, of the hollow scraping plate 9, the sliding seats 7 are respectively and rotatably connected with a first motor 13, an output shaft of the first motor 13 is connected with the roll shaft 8, a screw rod 141 is rotatably connected with the upper part of the mounting frame 3, the mounting seat 5 is in threaded connection with a second motor 142, an output shaft of the second motor 142 is connected with the screw rod 141, the first electric push rod 6, the first motor 13 and the second motor 142 are all electrically connected with the controller 101, and a feeding mechanism 15 is arranged on the left side of the top of the bottom plate 1.
As shown in fig. 1, 9 and 10, the feeding mechanism 15 comprises a mounting housing 151, a link plate conveyor 152, a limiting frame 153, a connecting seat 154, a rotary inserting rod 155 and a distance sensor 156, wherein the mounting housing 151 is connected to the left side of the top of the bottom plate 1, the link plate conveyor 152 is mounted in the mounting housing 151, four limiting frames 153 are symmetrically connected to the mounting housing 151, the limiting frames 153 are in contact with the link plates of the link plate conveyor 152, a plurality of connecting seats 154 are connected to the link plates of the link plate conveyor 152 at intervals, the rotary inserting rod 155 is connected to the connecting seats 154 in a rotary mode, the distance sensor 156 is connected to the rear side of the upper portion of the mounting housing 151, and the link plate conveyor 152 and the distance sensor 156 are electrically connected to the controller 101.
At first, the electromagnetic valve 102 is in a closed state, high-pressure air can be externally connected to the joint 10, then the controller 101 controls the chain plate conveyor 152 to drive the connecting seat 154 to slowly rotate circularly, the rotating insert rod 155 is driven to rotate circularly, then the end part of the diaphragm on the battery core is pulled out to the right by a certain distance manually, the battery core is inserted onto the rotating insert rod 155, the pulling end of the diaphragm faces to the right, the position of the battery core can be fixed through the rotating insert rod 155, the rotating insert rod 155 can drive the battery core to move backwards, and under the limiting action of the limiting frame 153, the chain plate of the chain plate conveyor 152 can be kept to rotate horizontally at the upper side and the lower side, so that the battery core can be conveyed backwards stably; when the distance sensor 156 detects that the distance between the sensor 156 and the pulling end of the diaphragm reaches a preset value, the distance sensor 156 sends a signal, the controller 101 receives the signal and then controls the chain plate conveyor 152 to stop working so as to stop moving the battery core, meanwhile, the controller 101 controls the motor II 142 to drive the screw rod 141 to rotate, the screw rod 141 can drive the mounting seat 5 to move leftwards, and accordingly the roll shaft 8 and the hollow scraping plate 9 can be driven to move leftwards so as to enable the pulling end of the diaphragm to be positioned between the two roll shafts 8; then the controller 101 can control the first electric push rod 6 to drive the sliding seat 7 to move inwards to drive the roll shaft 8 and the hollow scraping plates 9 to move inwards, the hollow scraping plates 9 can firstly contact with the pulling-out ends of the diaphragms to stop moving the hollow scraping plates 9, the end parts of the two hollow scraping plates 9 can mutually support, the sliding seat 7 can drive the roll shaft 8 to move inwards continuously, at the moment, the hollow scraping plates 9 can rotate relative to the sliding seat 7, the connecting torsion spring 11 deforms, the roll shaft 8 can clamp the pulling-out ends of the diaphragms, and at the moment, the end parts of the hollow scraping plates 9 can always contact with the surfaces of the diaphragms under the elastic force of the connecting torsion spring 11; then the controller 101 controls the motor II 142 to drive the screw rod 141 to rotate reversely, the screw rod 141 can drive the mounting seat 5 to move to the right, so that the roll shaft 8 and the hollow scraping plate 9 can be driven to move to the right, the roll shaft 8 can pull the drawing end of the diaphragm to move to the right, the diaphragm is unfolded, the diaphragm can pull the battery cell to swing or rotate at the moment, the rotating inserting rod 155 is driven to rotate, the diaphragm can be pulled out more conveniently, then the controller 101 controls the motor I13 to drive the roll shaft 8 to rotate, the roll shaft 8 can convey the drawing end of the diaphragm to the right, the diaphragm can be pulled to the right continuously, the hollow scraping plate 9 can scrape a pole piece attached to the diaphragm, meanwhile, the controller 101 can control the electromagnetic valve 102 to be electrified to open, high-pressure air can enter the hollow scraping plate 9 through the connector 10, the high-pressure air in the hollow scraping plate 9 can be blown out to the left through the strip-shaped opening 91, and the pole piece can be blown down, the positive pole piece can drop into the collecting frame 2 at the rear side, the negative pole piece can drop into the collecting frame 2 at the front side, the diaphragm can drop into the collecting frame 2 at the right side, after the pole piece on the diaphragm is completely processed, the controller 101 can control the electromagnetic valve 102 to be powered off and closed, and the controller 101 can control the motor I13 to stop working so as to stop the roll shaft 8, then the controller 101 can control the electric push rod I6 to drive the sliding seat 7 to move outwards for resetting, the roll shaft 8 and the hollow scraping plate 9 to move outwards for resetting, the two hollow scraping plates 9 are mutually far away, the connecting torsion spring 11 is restored, the hollow scraping plate 9 can be driven to reversely reset relative to the sliding seat 7, the limiting rod 12 can limit the hollow scraping plate 9, then the controller 101 can control the link conveyer 152 to drive the connecting seat 154 and the rotary inserting rod 155 to continuously rotate so as to continuously convey the rest battery cores backwards, the pole pieces on the diaphragm can be automatically separated, and confusion of the positive pole piece and the negative pole piece can be prevented.
As shown in fig. 1 and 11, the device further comprises a limiting mechanism 16, wherein the limiting mechanism 16 comprises a limiting plate 161, a connecting cylinder 162, a second electric push rod 163 and a stop lever 164, the left side of the top of the installation shell 151 is connected with the limiting plate 161, the rear side of the top of the installation shell 151 is connected with the connecting cylinder 162, the upper part of the connecting cylinder 162 is connected with the second electric push rod 163, the second electric push rod 163 is electrically connected with the controller 101, the stop lever 164 is connected to a telescopic rod of the second electric push rod 163, and the stop lever 164 is positioned at the rear side of the limiting plate 161; when the battery cell is manually inserted into the rotary insert rod 155, the limiting plate 161 can block the left side of the battery cell, so that the battery cell can be limited, and in the process of conveying the battery cell backwards by the rotary insert rod 155, the limiting plate 161 can prevent the battery cell from autorotation, so that the diaphragm pulling end of the battery cell can be ensured to always keep a right-facing state; when the battery cell stops moving, the stop lever 164 can also block the left side of the battery cell, and plays a limiting role, when the two roll shafts 8 clamp the pulling-out ends of the diaphragms, the controller 101 can control the electric push rod II 163 to drive the stop lever 164 to move upwards, so that the stop lever 164 does not block the left side of the battery cell any more, and the battery cell can rotate, so that the pulling-out work of the diaphragms is not influenced.
As shown in fig. 1, the device also comprises a protective cover 17, and the top of the mounting frame 3 is connected with the protective cover 17; the protection casing 17 can prevent that pole piece and battery electrolyte from splashing, plays the guard action, and the protection casing 17 is transparent state, can make things convenient for people to observe the condition of electrode separation.
As shown in fig. 12 and 13, the device further comprises a conveying mechanism, the conveying mechanism comprises a connecting frame 181, a sliding frame 182, an electric push rod III 183 and a conveying assembly 184, the connecting frame 181 is symmetrically connected to the front and back of the left side of the upper part of the mounting frame 3, the sliding frame 182 is connected to the lower part of the connecting frame 181 in a sliding manner, the electric push rod III 183 is connected to the lower part of the connecting frame 181, the telescopic rod of the electric push rod III 183 is connected with the sliding frame 182, the conveying assembly 184 is arranged on the sliding frame 182, and the electric push rod III 183 and the conveying assembly 184 are electrically connected with the controller 101; when the roller 8 pulls out the diaphragm, the controller 101 can control the electric push rod III 183 to drive the sliding frame 182 to move inwards to drive the conveying component 184 to move inwards, the conveying component 184 can clamp the diaphragm, the diaphragm between the conveying component 184 and the roller 8 can be in a straightened state, the hollow scraping plate 9 can scrape off the pole piece attached to the diaphragm better, and the controller 101 can control the conveying component 184 to work, so that the diaphragm can be conveyed to the right, and the roller 8 is assisted to convey the diaphragm to the right.
As shown in fig. 14-16, the device further comprises a shaking mechanism, the shaking mechanism comprises a supporting plate 191, a reciprocating motor 192, sliding rods 193, a fixed seat 194 and a roller 195, the right side of the sliding frame 182 is connected with the supporting plate 191, the right side of the supporting plate 191 is connected with the reciprocating motor 192, the reciprocating motor 192 is electrically connected with the controller 101, three round holes are formed in the right part of the supporting plate 191, the sliding rods 193 are connected in the round holes in a sliding mode, the sliding rods 193 can slide back and forth in the round holes, fixed seats 194 are connected between the rear ends of the three sliding rods 193 located on the front side, fixed seats 194 are also connected between the front ends of the three sliding rods 193 located on the rear side, and an output shaft of the reciprocating motor 192 is connected with the fixed seat 194, so that the reciprocating motor 192 can drive the fixed seat 194 to reciprocate back and forth to drive the sliding rods 193 to reciprocate back and forth in the round holes, and the roller 195 is connected to one side, which the fixed seats 194 on the front and the rear sides are close to each other, in a rotating mode. When the sliding frames 182 on the front side and the rear side move towards one side close to each other, the sliding rods 193, the fixing seats 194 and the rollers 195 on the front side and the rear side can be driven to move towards one side close to each other, so that the rollers 195 on the front side and the rear side are in contact with the diaphragms of the batteries, when the roller shafts 8 and the conveying components 184 convey the diaphragms to the right, the controller 101 can control the reciprocating motor 192 to drive the fixing seats 194 to reciprocate back and forth so as to drive the sliding rods 193 and the rollers 195 to reciprocate back and forth, round holes in the supporting plates 191 play a guiding role, the rollers 195 on the front side and the rear side can slightly hit the diaphragms, the diaphragms can slightly shake, the loose pole pieces attached on the diaphragms can directly fall into the designated collecting frame 2, the loose pole pieces attached on the diaphragms can be enabled, and the follow-up hollow scraping plates 9 can conveniently scrape the pole pieces.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (10)
1. The utility model provides a waste lithium iron phosphate battery positive pole material recovery equipment, including bottom plate (1), collect frame (2), mounting bracket (3), guide bar (4) and mount pad (5), a plurality of collection frames (2) that are used for collecting pole piece and diaphragm respectively have been placed to the interval on bottom plate (1), mounting bracket (3) are connected with bottom plate (1), be connected with two guide bars (4) on mounting bracket (3), mount pad (5) and guide bar (4) sliding connection and can slide side by side, characterized by, still include controller (101), electric putter one (6), sliding seat (7), roller (8), hollow scraper blade (9), connect torsional spring (11), motor one (13), blow subassembly, drive assembly and feed mechanism (15), controller (101) are installed on mounting bracket (3), be connected with two electric putter one (6) on mount pad (5), two sliding seat (7) all are connected with the telescopic link of electric putter one (6) to sliding seat (7), sliding seat (7) are connected with hollow scraper blade (8) in the back of sliding seat (7), hollow scraper blade (9) and roller (8) are along with sliding seat (7) to the inboard motion homoenergetic with the pulling-out end contact of diaphragm, connect torsional spring (11) connect hollow scraper blade (9) and sliding seat (7) to provide the power of hollow scraper blade (9) hugging closely the diaphragm, motor one (13) are connected with sliding seat (7), the output shaft and the roller (8) of motor one (13) are connected, with drive roller (8) rotation with the diaphragm to the pulling-out of right, hollow scraper blade (9) can scrape the pole piece that is attached to on the diaphragm, electric putter one (6) and motor one (13) are all connected through the electricity with controller (101), the subassembly of blowing is used for blowing to the pole piece, drive assembly is used for driving mount pad (5) and moves about, feed mechanism (15) are used for carrying out the material loading to the electric core.
2. The positive electrode material recycling device for waste lithium iron phosphate batteries according to claim 1, wherein the blowing component comprises an electromagnetic valve (102) and a connector (10), the hollow scraping plates (9) are provided with strip-shaped openings (91), the connector (10) is communicated with the hollow scraping plates (9), the electromagnetic valve (102) is installed on the connector (10), and the connector (10) is used for externally connecting air so that the air can be blown out through the strip-shaped openings (91) to blow off pole pieces.
3. The positive electrode material recycling device for waste lithium iron phosphate batteries according to claim 1, wherein the driving assembly comprises a screw rod (141) and a motor II (142), the screw rod (141) is rotationally connected with the mounting frame (3), the mounting seat (5) is in threaded connection with the screw rod (141) so that the screw rod (141) can rotate to drive the mounting seat (5) to move left and right, the motor II (142) is connected with the mounting frame (3), an output shaft of the motor II (142) is connected with the screw rod (141) so as to drive the screw rod (141) to rotate, and the motor II (142) is electrically connected with the controller (101).
4. The positive electrode material recycling device for waste lithium iron phosphate batteries according to claim 1, wherein the feeding mechanism (15) comprises a mounting shell (151), a chain plate conveyor (152), a limiting frame (153), a connecting seat (154), a rotary inserting rod (155) and a distance sensor (156), the mounting shell (151) is connected with a bottom plate (1), the chain plate conveyor (152) is mounted in the mounting shell (151), the limiting frame (153) for limiting the chain plate of the chain plate conveyor (152) is symmetrically connected to the mounting shell (151), a plurality of connecting seats (154) are connected to the chain plate of the chain plate conveyor (152) at intervals, rotary inserting rods (155) for fixing electric cores are connected to the connecting seats (154) in a rotary mode, and the distance sensor (156) is connected with the mounting shell (151), and the chain plate conveyor (152) and the distance sensor (156) are connected with the controller (101) through electricity.
5. The waste lithium iron phosphate battery anode material recycling device according to claim 1, further comprising a limiting rod (12), wherein the sliding seats (7) are connected with the limiting rods (12) for limiting the hollow scraping plates (9).
6. The positive electrode material recycling device for waste lithium iron phosphate batteries according to claim 4, further comprising a limiting mechanism (16), wherein the limiting mechanism (16) comprises a limiting plate (161), a connecting cylinder (162), a second electric push rod (163) and a stop lever (164), the limiting plate (161) is connected with the mounting shell (151) to limit a battery core on the rotary inserted rod (155), the connecting cylinder (162) is connected with the mounting shell (151), the second electric push rod (163) is connected with the connecting cylinder (162), the second electric push rod (163) is electrically connected with the controller (101), and the stop lever (164) is connected with a telescopic rod of the second electric push rod (163) to drive the stop lever (164) to move up and down.
7. The waste lithium iron phosphate battery anode material recycling device according to claim 1, further comprising a protective cover (17), wherein the protective cover (17) is connected with the mounting frame (3), and the protective cover (17) is used for blocking splashed scraps and electrolyte.
8. The waste lithium iron phosphate battery anode material recycling device according to claim 1, further comprising a conveying mechanism, wherein the conveying mechanism comprises a connecting frame (181), a sliding frame (182), an electric push rod III (183) and a conveying assembly (184), the connecting frame (181) is symmetrically connected to the mounting frame (3), the sliding frame (182) is in sliding connection with the connecting frame (181) and can slide back and forth, the electric push rod III (183) is connected with the connecting frame (181), a telescopic rod of the electric push rod III (183) is connected with the sliding frame (182) to drive the sliding frame (182) to slide back and forth, the conveying assembly (184) is arranged on the sliding frame (182), the diaphragm can be clamped along with the movement of the sliding frame (182) to the inner side, and the electric push rod III (183) and the conveying assembly (184) are all electrically connected with the controller (101).
9. The positive electrode material recycling device for waste lithium iron phosphate batteries according to claim 8, further comprising a shaking mechanism, wherein the shaking mechanism comprises a supporting plate (191), a reciprocating motor (192), a sliding rod (193), a fixing seat (194) and a roller (195), the supporting plate (191) is connected with the sliding frame (182), the reciprocating motor (192) is connected with the supporting plate (191), the reciprocating motor (192) is electrically connected with the controller (101), the sliding rod (193) is slidably connected with the supporting plate (191) and can slide back and forth, the fixing seat (194) is connected with the sliding rod (193), an output shaft of the reciprocating motor (192) is connected with the fixing seat (194) to drive the fixing seat (194) to move back and forth, and the roller (195) is rotatably connected with the fixing seat (194) to enable the roller (195) to reciprocate back and forth along with the fixing seat (194) to impact a diaphragm.
10. The recycling method of the waste lithium iron phosphate battery anode material recycling equipment according to any one of claims 1 to 9, which is characterized by comprising the following steps: firstly, the end part of a diaphragm on an electric core is pulled out to the right for a certain distance, then the electric core is inserted onto a rotary inserting rod (155), the electric core is conveyed backwards through a chain plate conveyor (152), when a distance sensor (156) detects that the distance between the electric core and the pulling end of the diaphragm reaches a preset value, the distance sensor (156) can send a signal, a controller (101) can control the chain plate conveyor (152) to stop working after receiving the signal, the electric core stops moving, the controller (101) can control a motor two (142) to drive a screw rod (141) to rotate, a mounting seat (5), a roll shaft (8) and a hollow scraper (9) to move to the left, the pulling end of the diaphragm is positioned between the two roll shafts (8), then the controller (101) can control an electric push rod one (6) to drive a sliding seat (7) to move to the inner side, the roll shafts (8) and the hollow scraper (9) are in contact with the pulling end of the diaphragm, then the controller (101) can control the motor two (142) to drive the motor two (141) to rotate, the roll shafts (141) to drive the hollow scraper (9) to move to the hollow scraper (13) to the hollow rod (9) to move to the hollow end, the roller (8) can carry the pulling-out end of diaphragm to the right side to can continue the diaphragm to the right side pulling, hollow scraper blade (9) can scrape the pole piece that adheres to on the diaphragm, make the positive pole piece drop in collecting frame (2) of rear side, the negative pole piece drops in collecting frame (2) of front side, the diaphragm then drops in collecting frame (2) of right side.
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| CN202311237532.2A CN116995328B (en) | 2023-09-25 | 2023-09-25 | Recycling device and recycling method for waste lithium iron phosphate battery anode material |
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