Waste lithium iron phosphate battery electrolyte recovery device

Abstract

The invention relates to the technical field of battery recycling, and discloses a waste lithium iron phosphate battery electrolyte recycling device which comprises a bottom frame, main supports are fixedly connected to the four corners of the bottom frame, and the same shaking filter screen mechanism is fixedly connected to the upper sides of the multiple main supports; the upper side of one end of the bottom frame is fixedly connected with an adjustable splitting mechanism; the shaking filter screen mechanism comprises four reset elastic supports fixedly connected to the upper sides of the four main supports correspondingly, and four connecting frames fixedly connected to the upper sides of the four reset elastic supports correspondingly. According to the device, through cooperation of the bottom frame, the main support, the stand, the shaking filter screen mechanism and the collecting box, the problems that the recovery rate is low and the residual quantity is high due to the fact that a traditional recovery device is difficult to effectively separate electrolyte attached to an electrode material or a diaphragm are solved; the problem that the cutting position and force cannot be flexibly adjusted due to the fixed design of existing splitting equipment is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery recycling, and particularly relates to a recycling device for the electrolyte of waste lithium iron phosphate batteries. Background Art

[0002] With the rapid development of the new energy vehicle and energy storage industries, lithium iron phosphate batteries are widely used due to their advantages such as high safety and long cycle life. However, their large-scale application has also brought an urgent need for the recycling of waste batteries. As the core component of the battery, the electrolyte contains components such as lithium salts and organic solvents. If not properly treated, it is likely to cause environmental pollution and waste of resources. At present, the recycling technology for the electrolyte of waste lithium iron phosphate batteries still has the following deficiencies:

[0003] Traditional recycling devices mostly use static filtration or simple centrifugal separation, which are difficult to effectively separate the electrolyte attached to the electrode material or diaphragm, resulting in low recovery rate and high residue. Moreover, the structures of battery casings are diverse, and existing disassembly equipment often cannot flexibly adjust the cutting position and force due to its fixed design, easily leading to electrolyte leakage or damage to battery components. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose a recycling device for the electrolyte of waste lithium iron phosphate batteries, aiming to solve the core problems such as low electrolyte recycling efficiency, insufficient disassembly flexibility, and poor safety in the prior art through innovative structural design.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A recycling device for the electrolyte of waste lithium iron phosphate batteries, including a bottom frame, four corners of the bottom frame are fixedly connected with main brackets, the upper sides of multiple main brackets are fixedly connected with the same shaking and filtering sieve mechanism, and the upper side of one end of the bottom frame is fixedly connected with an adjustable disassembly mechanism;

[0007] The shaking and filtering sieve mechanism includes four reset elastic brackets respectively fixedly connected to the upper sides of the four main brackets, four connecting frames respectively fixedly connected to the upper sides of the four reset elastic brackets, and the same outer shell fixedly connected between the four connecting frames. Two shaking components are fixedly connected to the lower part of the outer shell, and a filtering sieve plate is fixedly connected to the inner upper wall of the outer shell;

[0008] The adjustable disassembly mechanism includes a loading frame fixedly connected to the upper side of one end of the bottom frame, a mounting frame fixedly connected to the upper side of the loading frame, and a protective shell fixedly connected to the outer wall of the mounting frame. A fixed connection rod is fixedly connected to the inner top wall of the protective shell, and cutting components are fixedly connected to the lower sides of both ends of the fixed connection rod. A linkage adjustment component is arranged on the inner top wall of the loading frame;

[0009] Furthermore, a platform is provided on one side of the bottom frame. On the inner walls of the lower left and right sides of the outer shell, two inner protective shells are fixedly connected respectively. Between two corresponding inner protective shells on the inner walls of the lower left and right sides of the outer shell, a protective cylinder is fixedly connected. On the lower part of the side of the outer shell away from the platform, two outer protective shells are fixedly connected. The positions of the two outer protective shells correspond to the positions of the two inner protective shells on the inner wall of the side of the outer shell close to the outer protective shell. On the inner wall of the middle part of the outer shell, a herringbone plate is fixedly connected. The herringbone plate is arranged above the two protective cylinders;

[0010] Furthermore, the two shaking components include two motors fixedly connected to the upper side of the platform, two connecting pieces respectively fixedly connected to the output ends of the two motors, and a connecting arm one rotatably connected to the end of the connecting piece away from the motor. At the end of the connecting arm one away from the connecting piece, a transfer arm is rotatably connected. On the outer wall of the end of the transfer arm close to the connecting arm one, a rotating throwing piece one is fixedly connected. On the outer wall of the end of the transfer arm away from the connecting arm one, a rotating throwing piece two is fixedly connected. At the end of the transfer arm away from the connecting arm one, a connecting arm two is rotatably connected. At the end of the connecting arm two away from the transfer arm, a connecting arm three is rotatably connected. On the outer wall of the end of the connecting arm three close to the connecting arm two, a rotating throwing piece three is fixedly connected. On the outer wall of the end of the connecting arm three away from the connecting arm two, a rotating throwing piece four is fixedly connected;

[0011] Furthermore, a positioning piece one is fixedly connected to the outer wall of the middle part of the transfer arm, and a positioning piece two is fixedly connected to the outer wall of the middle part of the connecting arm three. The positioning piece one is rotatably connected to the lower part of the right side of the outer shell, and the positioning piece two is rotatably connected to the lower part of the left side of the outer shell. On the lower part of the side of the outer shell away from the outer protective shell, two cylinder frames are fixedly connected. The positions of the two cylinder frames correspond to the positions of the two inner protective shells on the inner wall of the side of the outer shell away from the outer protective shell;

[0012] Furthermore, the positioning piece one is rotatably connected to the lower part of the side of the outer shell close to the motor, and the positioning piece two is rotatably connected to the lower part of the side of the outer shell away from the motor. The rotating throwing piece one is arranged inside the cylinder frame, the connecting arm two is arranged inside the protective cylinder, the rotating throwing piece two is arranged inside the inner protective shell on the inner wall of the side of the outer shell close to the motor, the rotating throwing piece three is arranged inside the inner protective shell on the inner wall of the side of the outer shell away from the motor, the rotating throwing piece four is arranged inside the outer protective shell. On the side of the cylinder frame away from the outer shell, a protective arc plate is fixedly connected. The connecting arm one is arranged below the protective arc plate;

[0013] Furthermore, in the middle of the rear end of the upper side of the loading frame, there is a bearing frame fixedly connected. In the middle of one end of the bearing frame away from the loading frame, there is an electric push rod fixedly connected. At one end of the electric push rod close to the protective shell, there is a push plate fixedly connected. On both the front and rear sides of the bottom of the protective shell, there are through openings. On the upper side of the left part of the inner wall of the through opening at the rear side of the bottom of the protective shell, there is a sliding groove. The position of the push plate corresponds to the positions of the two through openings;

[0014] Furthermore, the cutting and disassembling assembly includes two fixing blocks respectively fixedly connected to the lower side of one end of the fixed rod and the upper side of the loading frame, a threaded rod rotatably connected between the middles of the two fixing blocks, and a connecting block threadedly connected to the outer wall of the threaded rod. On the outer wall of the connecting block, there is an assembling part fixedly connected. On one side of the assembling part away from the threaded rod, there is a fixing part fixedly connected. In the middle of the fixing part, there is a rotating rod rotatably connected. At the lower end of the rotating rod, there is a cutting circular blade fixedly connected. At the top end of the rotating rod, there is a main belt pulley fixedly connected. On one side outer wall of the assembling part, there is a motor fixedly connected. At the output end of the motor, there is a secondary belt pulley fixedly connected. The outer wall of the main belt pulley is connected to the outer wall of the secondary belt pulley through a synchronous belt;

[0015] Furthermore, on the front and rear parts of the inner wall on one side of the assembling part close to the threaded rod, there are sliding blocks fixedly connected. The front and rear ends of the two corresponding fixing blocks are respectively connected by two sliding rods. The two sliding blocks are respectively slidably connected to the outer walls of the two sliding rods. On the rear side of the lower section of one assembling part and the front side of the lower section of the other assembling part, there is the same connecting rod fixedly connected. At the rear side of one end of the connecting rod close to the sliding groove, there is a limiting part fixedly connected. The limiting part is arranged in the middle of the sliding groove. The push plate is arranged between the rear end of the limiting part and the front through opening of the protective shell;

[0016] Furthermore, the linkage adjustment assembly includes a gear one fixedly connected to the bottom end of one of the threaded rods, a gear two fixedly connected to the bottom end of the other threaded rod, and a gear three rotatably connected to the middle of the inner top wall of the loading frame. The outer walls of the gear two, the gear one, and the gear three are connected through a synchronous chain one. Below the gear two, there is a gear four fixedly connected. Inside the left rear end of the loading frame, there is a rotating shaft rotatably connected. At the top end of the rotating shaft, there is a turntable fixedly connected. At the bottom end of the rotating shaft, there is a gear five fixedly connected. The outer wall of the gear four is connected to the outer wall of the gear five through a synchronous chain two;

[0017] Furthermore, the positions of the two cutting and disassembling assemblies are centrosymmetric. On the outer side of the protective shell, there is a controller fixedly connected. The controller is electrically connected to the adjustable disassembly mechanism and the shaking and filtering sieve mechanism. The turntable is arranged on the upper side of the loading frame. The gear five is arranged on the lower side of the inner top wall of the loading frame. In the middle of the lower side of the bottom frame, there is a collecting box slidably connected.

[0018] The present invention has the following beneficial effects:

[0019] 1. In the present invention, through the cooperation of the bottom frame, the main bracket, the stand, the shaking and filtering mechanism and the collection box, the problems of traditional recycling devices that mostly adopt static filtration or simple centrifugal separation, which are difficult to effectively separate the electrolyte attached to the electrode material or the diaphragm, resulting in low recovery rate and high residue amount, are improved.

[0020] 2. In the present invention, through the adjustable disassembly mechanism, the problems that the battery housing structures are diverse, and existing disassembly equipment often cannot flexibly adjust the cutting position and force due to the fixed design, easily causing electrolyte leakage or damage to battery components, are alleviated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a perspective view of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0022] Figure 2 is a schematic structural diagram of the shaking and filtering mechanism of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0023] Figure 3 is a schematic structural diagram of the protective arc plate of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0024] Figure 4 is a schematic structural diagram of the collection box of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0025] Figure 5 is a schematic structural diagram of the bottom frame of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0026] Figure 6 is a schematic structural diagram of the housing of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0027] Figure 7 is a schematic structural diagram of the herringbone plate of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0028] Figure 8 is a schematic structural diagram of the filter screen plate of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0029] Figure 9 is a schematic structural diagram of the second connecting arm of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0030] Figure 10 is a schematic structural diagram of the through port of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0031] Figure 11A schematic diagram of the structure of a chute of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0032] Figure 12 This is a schematic structural diagram of a fixing rod of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0033] Figure 13 A schematic diagram of the structure of a disassembly assembly of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0034] Figure 14 This is a schematic structural diagram of a connecting rod of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0035] Figure 15 This is a schematic structural diagram of an assembly of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention;

[0036] Figure 16 This is a schematic structural diagram of a synchronous chain 2 of a waste lithium iron phosphate battery electrolyte recovery device proposed by the present invention.

[0037] Legend:

[0038] 1. Bottom frame; 2. Main bracket; 3. Controller; 4. Stand; 5. Shake filter mechanism; 51. Shell; 52. Connecting frame; 53. Reset elastic bracket; 54. Filter plate; 55. Herringbone plate; 56. Inner protective shell; 57. Protective cylinder; 58. Outer protective shell; 59. Shake assembly; 591. Motor; 592. Connecting piece; 593. Connecting arm 1; 594. Transfer arm; 595. Positioning piece 1; 596. Rotating throw piece 1; 597. Rotating throw piece 2; 598. Connecting arm 2; 599. Connecting arm 3; 5910. Positioning piece 2; 5911. Rotating throw piece 3; 5912. Rotating throw piece 4; 6. Cylinder frame; 7. Protective arc plate; 8. Adjustable disassembly mechanism; 81. Loading frame; 82. Loading frame; 83. Protective shell; 84. Loading frame; 85. Electric push rod; 86. Push plate; 87. Fixed rod; 88. Disassembly and cutting assembly; 881. Fixed block; 882. Threaded rod; 883. Connecting block; 884. Assembly; 885. Sliding rod; 886. Sliding block; 887. Fixed part; 888. Rotating rod; 889. Cutting circular blade; 8810. Primary pulley; 8811. Motor; 8812. Secondary pulley; 8813. Synchronous belt; 89. Linkage adjustment assembly; 891. Gear one; 892. Gear two; 893. Gear three; 894. Synchronous chain one; 895. Gear four; 896. Rotating shaft; 897. Gear five; 898. Synchronous chain two; 899. Turntable; 810. Through port; 811. Slide groove; 812. Connecting rod; 813. Limiting member; 9. Collection box; 10. Controller. Detailed implementation mode

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0040] Refer to Figure 1-16 , an embodiment provided by the present invention: a device for recycling the electrolyte of waste lithium iron phosphate batteries, including a bottom frame 1, main brackets 2 are fixedly connected to the four corners of the bottom frame 1, and the upper sides of a plurality of main brackets 2 are fixedly connected to the same shaking and filtering mechanism 5. An adjustable splitting mechanism 8 is fixedly connected to the upper side of one end of the bottom frame 1;

[0041] The shaking and filtering mechanism 5 includes four reset elastic brackets 53 respectively fixedly connected to the upper sides of the four main brackets 2, four connecting frames 52 respectively fixedly connected to the upper sides of the four reset elastic brackets 53, and the same outer shell 51 fixedly connected between the four connecting frames 52. Two shaking components 59 are fixedly connected to the lower part of the outer shell 51, and a filter screen plate 54 is fixedly connected to the inner wall of the upper part of the outer shell 51;

[0042] The adjustable splitting mechanism 8 includes a loading frame 81 fixedly connected to the upper side of one end of the bottom frame 1, a loading frame 82 fixedly connected to the upper side of the loading frame 81, and a protective shell 83 fixedly connected to the outer wall of the loading frame 82. A fixing rod 87 is fixedly connected to the inner top wall of the protective shell 83, and splitting components 88 are fixedly connected to the lower sides of both ends of the fixing rod 87. A linkage adjustment component 89 is arranged on the inner top wall of the loading frame 81.

[0043] A platform 4 is arranged on one side of the bottom frame 1. Two inner protective shells 56 are fixedly connected to the inner walls of the left and right sides of the lower part of the outer shell 51. A protective cylinder 57 is fixedly connected between two groups of corresponding two inner protective shells 56 on the inner walls of the left and right sides of the lower part of the outer shell 51. Two outer protective shells 58 are fixedly connected to the lower part of the side of the outer shell 51 away from the platform 4. The positions of the two outer protective shells 58 correspond to the positions of the two inner protective shells 56 on the inner wall of the side of the outer shell 51 close to the outer protective shell 58. A herringbone plate 55 is fixedly connected to the middle inner wall of the outer shell 51, and the herringbone plate 55 is arranged above the two protective cylinders 57.

[0044] The two shaking components 59 include two motors 591 fixedly connected to the upper side of the rack 4, two connecting pieces 592 respectively fixedly connected to the output ends of the two motors 591, and a first connecting arm 593 rotatably connected to the end of the connecting piece 592 away from the motor 591. A transfer arm 594 is rotatably connected to the end of the first connecting arm 593 away from the connecting piece 592. An outer wall of the transfer arm 594 near the first connecting arm 593 is fixedly connected with a first rotating throwing member 596. An outer wall of the transfer arm 594 away from the first connecting arm 593 is fixedly connected with a second rotating throwing member 597. A second connecting arm 598 is rotatably connected to the end of the transfer arm 594 away from the first connecting arm 593. A third connecting arm 599 is rotatably connected to the end of the second connecting arm 598 away from the transfer arm 594. An outer wall of the third connecting arm 599 near the second connecting arm 598 is fixedly connected with a third rotating throwing member 5911. An outer wall of the third connecting arm 599 away from the second connecting arm 598 is fixedly connected with a fourth rotating throwing member 5912.

[0045] A first positioning member 595 is fixedly connected to the middle outer wall of the transfer arm 594, and a second positioning member 5910 is fixedly connected to the middle outer wall of the third connecting arm 599. The first positioning member 595 is rotatably connected to the lower right side of the outer shell 51, and the second positioning member 5910 is rotatably connected to the lower left side of the outer shell 51. Two cylinder frames 6 are fixedly connected to the lower part of the side of the outer shell 51 away from the outer protective shell 58. The positions of the two cylinder frames 6 correspond to the positions of the two inner protective shells 56 on the inner wall of the side of the outer shell 51 away from the outer protective shell 58. The herringbone plate 55 guides the electrolyte to flow towards the collection box 9, and the solid residues are discharged after being intercepted by the filter sieve plate 54. The inner protective shell 56, the protective cylinder 57, the outer protective shell 58 and the protective arc plate 7 enclose the vibrating components, preventing the shaking components 59 from being contaminated by liquid and eroded during operation, and also preventing the equipment from accidentally injuring the operators during operation.

[0046] The first positioning member 595 is rotatably connected to the lower part of the outer shell 51 near the motor 591, the second positioning member 5910 is rotatably connected to the lower part of the outer shell 51 away from the motor 591, the first rotating throwing member 596 is arranged inside the barrel frame 6, the second connecting arm 598 is arranged inside the protective barrel 57, the second rotating throwing member 597 is arranged inside the inner protective shell 56 on the inner wall of the outer shell 51 near the motor 591, the third rotating throwing member 5911 is arranged inside the inner protective shell 56 on the inner wall of the outer shell 51 away from the motor 591, the fourth rotating throwing member 5912 is arranged inside the outer protective shell 58, a protective arc plate 7 is fixedly connected to the side of the barrel frame 6 away from the outer shell 51, the first connecting arm 593 is arranged below the protective arc plate 7. After the waste battery is completely cut, the assembly 884 and its upper components are lifted to facilitate the disassembled battery to be pushed into the outer shell 51 of the shaking and filtering mechanism 5 by the push plate 86. The motor 591 is started to drive the multi-stage connecting rod mechanism composed of the first connecting arm 593, the transfer arm 594, the second connecting arm 598 and the third connecting arm 599, driving the first rotating throwing member 596, the second rotating throwing member 597, the third rotating throwing member 5911 and the fourth rotating throwing member 5912 to generate high-frequency vibrations. The reset elastic support 53 provides elastic support to enhance the vibration amplitude. The filtering screen plate 54 separates the electrolyte from solid residues such as electrode materials and diaphragms under the action of vibration.

[0047] In the middle of the rear end of the upper side of the loading frame 81, a bearing frame 84 is fixedly connected. In the middle of one end of the bearing frame 84 away from the loading frame 81, an electric push rod 85 is fixedly connected. At one end of the electric push rod 85 close to the protective shell 83, a push plate 86 is fixedly connected. Through holes 810 are opened on both the front and rear sides of the bottom of the protective shell 83. On the upper side of the left part of the inner wall of the through hole 810 at the rear side of the bottom of the protective shell 83, a sliding groove 811 is opened. The position of the push plate 86 corresponds to the positions of the two through holes 810.

[0048] The cutting component 88 includes two fixing blocks 881 respectively fixedly connected to the lower side of one end of the fixing rod 87 and the upper side of the mounting frame 81, a threaded rod 882 rotatably connected between the middles of the two fixing blocks 881, and a connecting block 883 threadedly connected to the outer wall of the threaded rod 882. An assembly 884 is fixedly connected to the outer wall of the connecting block 883. A fixing member 887 is fixedly connected to one side of the assembly 884 away from the threaded rod 882. A rotating rod 888 is rotatably connected to the middle of the fixing member 887. A cutting circular blade 889 is fixedly connected to the lower end of the rotating rod 888. A main pulley 8810 is fixedly connected to the top end of the rotating rod 888. A motor 8811 is fixedly connected to the outer wall of one side of the assembly 884. A secondary pulley 8812 is fixedly connected to the output end of the motor 8811. The outer wall of the main pulley 8810 is connected to the outer wall of the secondary pulley 8812 through a synchronous belt 8813. Start the electric push rod 85 to drive the push plate 86 to retract, so that the rear through-hole 810 of the protective shell 83 is opened. Place the waste battery on the mounting frame 81, and send the waste battery into the protective shell 83 through the electric push rod 85. Drive the push plate 86 to adjust the position of the battery so that it is aligned with the cutting component 88. Start the motor 8811 of the cutting component 88, and drive the main pulley 8810 and the cutting circular blade 889 to rotate at high speed through the synchronous belt 8813 to cut the waste battery. At the same time, the push plate 86 pushes forward, so that the waste battery is gradually cut completely.

[0049] On the front and rear parts of the inner wall of the assembly 884 close to the threaded rod 882, sliding blocks 886 are fixedly connected. The front and rear ends of the two corresponding fixing blocks 881 are respectively connected by two sliding rods 885. The two sliding blocks 886 are respectively slidably connected to the outer walls of the two sliding rods 885. The rear side of the lower section of one assembly 884 and the front side of the lower section of the other assembly 884 are fixedly connected with the same connecting rod 812. A limiting member 813 is fixedly connected to the rear side of the end of the connecting rod 812 close to the sliding groove 811. The limiting member 813 is arranged in the middle of the sliding groove 811. The limiting member 813, the sliding groove 811 and the push plate 86 cooperate to ensure that the battery is stably fixed during the cutting process and avoid deviation. The push plate 86 is arranged between the rear end of the limiting member 813 and the front through-hole 810 of the protective shell 83.

[0050] The linkage adjustment assembly 89 includes a first gear 891 fixedly connected to the bottom end of one of the threaded rods 882, a second gear 892 fixedly connected to the bottom end of the other threaded rod 882, and a third gear 893 rotatably connected to the middle of the inner top wall of the mounting frame 81. The outer walls of the second gear 892, the first gear 891, and the third gear 893 are connected by a first synchronous chain 894. A fourth gear 895 is fixedly connected to the lower side of the second gear 892. A rotating shaft 896 is rotatably connected to the left inner side of the rear end of the mounting frame 81. A turntable 899 is fixedly connected to the top end of the rotating shaft 896. A fifth gear 897 is fixedly connected to the bottom end of the rotating shaft 896. The outer walls of the fourth gear 895 and the fifth gear 897 are connected by a second synchronous chain 898. In the linkage adjustment assembly 89, the turntable 899 drives the first gear 891, the second gear 892, the third gear 893, the fourth gear 895, the rotating shaft 896, the fifth gear 897, and the first synchronous chain 894 and the second synchronous chain 898, so that the two threaded rods 882 rotate synchronously, driving the assembly 884 to move along the slide rod 885, thereby adjusting the cutting depth and position of the cutting circular blade 889.

[0051] The positions of the two disassembly and cutting assemblies 88 are centrosymmetric. A controller 3 is fixedly connected to the outside of the protective shell 83. The controller 3 is electrically connected to the adjustable disassembly mechanism 8 and the shaking and filtering mechanism 5. For the waste lithium iron phosphate battery electrolyte recovery device of the present invention, it can be controlled through the controller 3. The turntable 899 is arranged on the upper side of the mounting frame 81, and the fifth gear 897 is arranged on the lower side of the inner top wall of the mounting frame 81. A collection box 9 is slidably connected to the middle of the lower side of the bottom frame 1. The separated electrolyte is centrally recovered through the collection box 9 on the lower side of the bottom frame 1 to ensure no pollution residue.

[0052] Working principle: The waste lithium iron phosphate battery electrolyte recovery device of the present invention can be controlled by the controller 3. The efficient separation and safe recovery of the electrolyte are achieved through the coordinated action of the shaking filter screen mechanism and the adjustable disassembly mechanism. The electric push rod 85 is started to drive the push plate 86 to retract, so that the rear side opening 810 of the protective shell 83 is opened, and the waste batteries are placed on the receiving frame 81. The waste batteries are sent into the protective shell 83 through the electric push rod 85, and the push plate 86 is driven to adjust the battery position so that it is aligned with the disassembly component 88. The motor 8811 of the disassembly component 88 is started, and the main pulley 8810 and the cutting circular blade 889 are driven to rotate at high speed through the synchronous belt 8813 to cut the waste batteries. At the same time, the push plate 86 is pushed forward, so that The used batteries are gradually completely cut. In the linkage adjustment assembly 89, the turntable 899 drives the gear 1 891, the gear 2 892, the gear 3 893, the gear 4 895, the shaft 896, the gear 5 897 and the synchronous chain 1 894 and the synchronous chain 2 898, so that the two threaded rods 882 rotate synchronously, driving the assembly 884 to move along the slide bar 885, thereby adjusting the cutting depth and position of the cutting circular blade 889. The centrally symmetrical double cutting circular blade design can adapt to battery shells of different sizes, accurately cut and release the electrolyte, and avoid electrolyte leakage or damage to internal components. The limiter 813, the slide groove 811 and the push plate 86 cooperate to ensure that the battery is stably fixed during the cutting process to avoid deviation. After the used batteries are completely cut, the assembly 889 is The assembly 884 and its upper parts are raised, so that the disassembled battery is pushed into the housing 51 of the shaking filter screen mechanism 5 by the push plate 86, and the motor 591 is started to drive the multi-stage connecting rod mechanism composed of the connecting arm 1 593, the transfer arm 594, the connecting arm 2 598, and the connecting arm 3 599, so as to drive the rotating throwing piece 1 596, the rotating throwing piece 2 597, the rotating throwing piece 3 5911, and the rotating throwing piece 4 5912 to generate high-frequency vibration, and the resetting elastic bracket 53 provides elastic support to enhance the vibration amplitude. The filter screen plate 54 separates the electrolyte from the solid residues such as the electrode material and the diaphragm under the action of vibration, and the herringbone plate 55 guides the electrolyte to flow to the collection box 9, while the solid residue is intercepted by the filter screen plate 54 and discharged, and the inner protective shell 56, the protective cylinder 57, and the outer protective shell 58 The protective arc plate 7 seals the vibrating components to prevent the shaking assembly 59 from being contaminated by liquid and corroded during operation, and also to prevent accidental injury to operators during equipment operation. The separated electrolyte is collected and collected through the collection box 9 on the lower side of the bottom frame 1 to ensure that there is no pollution residue. The linkage design of the gear chain and the threaded rod can achieve precise adjustment of the cutting depth and position to adapt to different battery structures. The multi-stage connecting rod mechanism and the elastic bracket work together to enhance the vibration effect and improve the electrolyte separation efficiency. The sealed protective shell and guide structure design can suppress the volatilization and leakage of the electrolyte to a certain extent, and ensure safe operation. The device significantly improves the efficiency and safety of electrolyte recovery through modular design and automatic control, and is suitable for the environmentally friendly treatment of large-scale waste lithium iron phosphate batteries.

[0053] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A device for recycling electrolyte from waste lithium iron phosphate batteries, comprising a bottom frame (1), characterized in that: Four main brackets (2) are fixedly connected to the four corners of the bottom frame (1), and the upper sides of the plurality of main brackets (2) are fixedly connected to the same shaking and filtering mechanism (5). The upper side of one end of the bottom frame (1) is fixedly connected to an adjustable disassembly mechanism (8). The shaking and filtering mechanism (5) includes four reset elastic brackets (53) respectively fixedly connected to the upper sides of the four main brackets (2), four connecting frames (52) respectively fixedly connected to the upper sides of the four reset elastic brackets (53), and the same outer shell (51) fixedly connected between the four connecting frames (52). Two shaking components (59) are fixedly connected to the lower part of the outer shell (51), and a filter screen plate (54) is fixedly connected to the inner wall of the upper part of the outer shell (51). The adjustable disassembly mechanism (8) includes a loading frame (81) fixedly connected to the upper side of one end of the bottom frame (1), a loading rack (82) fixedly connected to the upper side of the loading frame (81), and a protective shell (83) fixedly connected to the outer wall of the loading rack (82). A fixed rod (87) is fixedly connected to the inner top wall of the protective shell (83), and cutting components (88) are fixedly connected to the lower sides of both ends of the fixed rod (87). A linkage adjustment component (89) is arranged on the inner top wall of the loading frame (81).

2. The electrolyte recovery device for waste lithium iron phosphate batteries according to claim 1, wherein: A platform (4) is arranged on one side of the bottom frame (1). Two inner protective shells (56) are fixedly connected to the inner walls of the left and right sides of the lower part of the outer shell (51). A protective cylinder (57) is fixedly connected between two groups of corresponding inner protective shells (56) on the inner walls of the left and right sides of the lower part of the outer shell (51). Two outer protective shells (58) are fixedly connected to the lower part of the side of the outer shell (51) away from the platform (4). The positions of the two outer protective shells (58) correspond to the positions of the two inner protective shells (56) on the inner wall of the side of the outer shell (51) close to the outer protective shell (58). A herringbone plate (55) is fixedly connected to the inner wall of the middle part of the outer shell (51). The herringbone plate (55) is arranged above the two protective cylinders (57).

3. The electrolyte recovery device for waste lithium iron phosphate batteries according to claim 2, characterized in that: The two shaking components (59) include two motors (591) fixedly connected to the upper side of the frame (4), two connecting members (592) respectively fixedly connected to the output ends of the two motors (591), and a first connecting arm (593) rotatably connected to the end of the connecting member (592) away from the motor (591). One end of the first connecting arm (593) away from the connecting member (592) is rotatably connected to a transfer arm (594). An outer wall of one end of the transfer arm (594) close to the first connecting arm (593) is fixedly connected to a first rotating throwing member (596). An outer wall of one end of the transfer arm (594) away from the first connecting arm (593) is fixedly connected to a second rotating throwing member (597). One end of the transfer arm (594) away from the first connecting arm (593) is rotatably connected to a second connecting arm (598). One end of the second connecting arm (598) away from the transfer arm (594) is rotatably connected to a third connecting arm (599). An outer wall of one end of the third connecting arm (599) close to the second connecting arm (598) is fixedly connected to a third rotating throwing member (5911). An outer wall of one end of the third connecting arm (599) away from the second connecting arm (598) is fixedly connected to a fourth rotating throwing member (5912).

4. The electrolyte recovery device for waste lithium iron phosphate batteries according to claim 3, wherein: An outer wall of the middle part of the transfer arm (594) is fixedly connected to a first positioning member (595). An outer wall of the middle part of the third connecting arm (599) is fixedly connected to a second positioning member (5910). The first positioning member (595) is rotatably connected to the lower right side of the outer shell (51). The second positioning member (5910) is rotatably connected to the lower left side of the outer shell (51). Two cylinder frames (6) are fixedly connected to the lower part of one side of the outer shell (51) away from the outer protective shell (58). Positions of the two cylinder frames (6) respectively correspond to positions of two inner protective shells (56) on an inner wall of one side of the outer shell (51) away from the outer protective shell (58).

5. The recycling device for electrolyte of waste lithium iron phosphate batteries according to claim 4, characterized in that: The first positioning member (595) is rotatably connected to the lower part of one side of the outer shell (51) close to the motor (591). The second positioning member (5910) is rotatably connected to the lower part of one side of the outer shell (51) away from the motor (591). The first rotating throwing member (596) is arranged inside the cylinder frame (6). The second connecting arm (598) is arranged inside the protective cylinder (57). The second rotating throwing member (597) is arranged inside the inner protective shell (56) on an inner wall of one side of the outer shell (51) close to the motor (591). The third rotating throwing member (5911) is arranged inside the inner protective shell (56) on an inner wall of one side of the outer shell (51) away from the motor (591). The fourth rotating throwing member (5912) is arranged inside the outer protective shell (58). One side of the cylinder frame (6) away from the outer shell (51) is fixedly connected to a protective arc plate (7). The first connecting arm (593) is arranged below the protective arc plate (7).

6. The electrolyte recovery device for waste lithium iron phosphate batteries according to claim 1, wherein: In the middle of the rear end of the upper side of the mounting frame (81), a bearing frame (84) is fixedly connected. In the middle of one end of the bearing frame (84) away from the mounting frame (81), an electric push rod (85) is fixedly connected. One end of the electric push rod (85) close to the protective shell (83) is fixedly connected with a push plate (86). Through openings (810) are formed on both the front and rear sides of the bottom of the protective shell (83). On the upper side of the left part of the inner wall of the through opening (810) at the rear side of the bottom of the protective shell (83), a chute (811) is formed. The position of the push plate (86) corresponds to the positions of the two through openings (810).

7. A recycling device for waste lithium iron phosphate battery electrolyte according to claim 6, characterized in that: The cutting and disassembling assembly (88) includes two fixing blocks (881) respectively fixedly connected to the lower side of one end of the fixed rod (87) and the upper side of the mounting frame (81), a threaded rod (882) rotatably connected between the middles of the two fixing blocks (881), and a connecting block (883) threadedly connected to the outer wall of the threaded rod (882). An assembling part (884) is fixedly connected to the outer wall of the connecting block (883). A fixing part (887) is fixedly connected to one side of the assembling part (884) away from the threaded rod (882). A rotating rod (888) is rotatably connected to the middle of the fixing part (887). A cutting circular blade (889) is fixedly connected to the lower end of the rotating rod (888). A main pulley (8810) is fixedly connected to the top end of the rotating rod (888). A motor (8811) is fixedly connected to the outer wall of one side of the assembling part (884). A driven pulley (8812) is fixedly connected to the output end of the motor (8811). The outer wall of the main pulley (8810) is connected to the outer wall of the driven pulley (8812) through a synchronous belt (8813).

8. A waste lithium iron phosphate battery electrolyte recovery device according to claim 7, characterized in that: On the front and rear parts of the inner wall of one side of the assembling part (884) close to the threaded rod (882), sliding blocks (886) are fixedly connected. The front and rear ends of the two corresponding fixing blocks (881) are respectively connected by two sliding rods (885). The two sliding blocks (886) are respectively slidably connected to the outer walls of the two sliding rods (885). The same connecting rod (812) is fixedly connected between the rear side of the lower section of one assembling part (884) and the front side of the lower section of the other assembling part (884). A limiting part (813) is fixedly connected to the rear side of one end of the connecting rod (812) close to the chute (811). The limiting part (813) is arranged in the middle of the chute (811). The push plate (86) is arranged between the rear end of the limiting part (813) and the through opening (810) on the front side of the protective shell (83).

9. The electrolyte recovery device for waste lithium iron phosphate batteries according to claim 8, wherein: The linkage adjustment assembly (89) includes a first gear (891) fixedly connected to the bottom end of one of the threaded rods (882), a second gear (892) fixedly connected to the bottom end of the other threaded rod (882), and a third gear (893) rotatably connected to the middle of the inner top wall of the mounting frame (81). The outer walls of the second gear (892), the first gear (891), and the third gear (893) are connected by a first synchronous chain (894). A fourth gear (895) is fixedly connected to the lower side of the second gear (892). A rotating shaft (896) is rotatably connected to the left inner part of the rear end of the mounting frame (81). A turntable (899) is fixedly connected to the top end of the rotating shaft (896). A fifth gear (897) is fixedly connected to the bottom end of the rotating shaft (896). The outer walls of the fourth gear (895) and the fifth gear (897) are connected by a second synchronous chain (898).

10. A waste lithium iron phosphate battery electrolyte recycling device according to claim 9, characterized in that: The positions of the two cutting components (88) are centrosymmetric. A controller (3) is fixedly connected to the outside of the protective shell (83). The controller (3) is electrically connected to the adjustable splitting mechanism (8) and the shaking and filtering mechanism (5). The turntable (899) is arranged above the mounting frame (81). The fifth gear (897) is arranged below the inner top wall of the mounting frame (81). A collection box (9) is slidably connected to the middle of the lower side of the bottom frame (1).

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