Recycling and regenerating equipment and process for waste lithium iron phosphate battery

Abstract

The invention relates to the technical field of battery recovery equipment, and particularly discloses equipment and a process for recycling waste lithium iron phosphate batteries, which are used for solving the problem of poor screening effect in the prior art. Comprising a smashing box, two smashing rollers are arranged at the position of an upper end opening of the smashing box, the smashing rollers are connected with a smashing driving assembly used for driving the smashing rollers to rotate, and a feeding assembly used for providing battery raw materials is arranged on one side of the smashing box; the feeding assembly comprises a feeding box, a lifting opening is formed in the bottom, close to the smashing box, of the feeding box, a material ejecting sliding block is arranged at the position of the lifting opening in a sliding mode, and the lower end of the material ejecting sliding block is connected with a reciprocating mechanism used for driving the material ejecting sliding block to move up and down. According to existing requirements, reciprocating lifting and discharging shaking are combined, to-be-recycled batteries can be evenly fed into smashing equipment, feeding uniformity is guaranteed, follow-up smashing is facilitated, and the occupied area of the equipment is reduced advantageously through the vertical feeding optimization mode.

Description

Technical Field

[0001] The present invention relates to the technical field of battery recycling equipment, and in particular to a recycling and regeneration equipment and process for waste lithium iron phosphate batteries. Background Art

[0002] Lithium iron phosphate battery is a battery that uses lithium iron phosphate as the positive electrode material. When the battery is scrapped, it cannot be discarded at will, so it needs to be recycled. When recycling the battery, it is necessary to use a battery recycling device to avoid polluting the environment. When using the lithium iron phosphate battery recycling device, the battery needs to be crushed so that the powder inside the battery can be recycled. The existing patent announcement number CN116273295A discloses a lithium iron phosphate battery recycling device and method ( Fig.11 As shown in the figure, a feeding device 1 is installed at one end of the ground, and then the batteries generated by the feeding are intermittently fed into a crushing device 3 through a conveying device 2 to complete the crushing. The feeding device 1, the conveying device 2 and the crushing device 3 are arranged horizontally. In addition, the feeding amount is controlled by intermittent feeding, and then the battery is transferred to the crushing device through a transmission device, and then the crushed material is screened. However, the screening process here is prone to the problem of clogging of the screening holes, which affects the recovery efficiency. In order to disperse the battery feeding, the equipment needs to arrange a long-line conveyor, which makes the equipment occupy a large area.

[0003] Based on this, a recycling and regeneration device and process for waste lithium iron phosphate batteries are now provided, which can eliminate the disadvantages of existing devices. Summary of the invention

[0004] The purpose of the present invention is to provide a recycling and regeneration device and process for waste lithium iron phosphate batteries, which solves the problem of poor screening effect in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: A recycling and regeneration device for waste lithium iron phosphate batteries, comprising a crushing box, two crushing rollers are arranged at the upper port of the crushing box, the crushing rollers are connected to a crushing drive assembly for driving the crushing rollers to rotate, and a feeding assembly for providing battery raw materials is arranged on one side of the crushing box; The feeding assembly includes a feeding box, a lifting port is provided at the bottom of the feeding box near the crushing box, a material ejecting slider is slidably provided at the lifting port, the lower end of the material ejecting slider is connected to a reciprocating mechanism for driving the material ejecting slider to move up and down, the upper end of the material ejecting slider is an inclined surface inclined toward the crushing box, and a guide mechanism for guiding the batteries into the crushing box is provided at the discharge position of the feeding box, and the batteries can be evenly fed into the crushing box through the guide mechanism; A screening component for screening materials is provided at the discharge position below the crushing box; The screening assembly includes a screening plate, both ends of which are connected to the crushing box through a guide frame group, the screening plate is inclined to one side, a receiving inclined plate for receiving materials is provided under the screening plate, the receiving inclined plate is connected to the screening plate through a suspension rod, the screening plate is connected to a vibrating member for driving it to shake, and an air blowing hole cleaning member for cleaning the screening holes is provided at the upper end of the screening plate.

[0006] On the basis of the above technical solution, the present invention also provides the following optional technical solution: In an optional scheme: the air blowing and cleaning member includes a scraper plate that is in pressure contact with the upper end surface of the screening plate, the scraper plate has a jet hole for blowing air outward at the lower end, the scraper plate has an inner end provided with an air guide tube, the upper end of the air guide tube is slidably provided with an air guide sleeve, the air guide sleeve and the air guide tube are connected by a telescopic spring, the other end of the air guide sleeve is connected to a transmission connecting rod, the other end of the transmission connecting rod is connected to the output end of the reciprocating mechanism, and inflation piston rods are symmetrically provided at both ends of the transmission connecting rod, the outer end of the inflation piston rod is connected to the piston plate inside the inflation piston cylinder, the air inlet end of the inflation piston cylinder is provided with an air inlet pipe, the air inlet pipe is provided with a one-way air inlet valve, the two inflation piston cylinders are connected to the outside of the crushing box through a mounting frame group, the inner cavity of the inflation piston rod connects the inflation piston cylinder with the air guide sleeve, the air guide pipe and the scraper plate, and the internal channel of the inflation piston rod is provided with a one-way exhaust valve.

[0007] In an optional solution: the guide frame group includes at least two pairs of guide columns, the upper ends of the guide columns are connected and fixed to the outside of the crushing box, the outside of the screening plate is provided with a guide side sleeve that is slidably set with the guide column, and the limit block at the lower end of the guide column is connected to the guide side sleeve through a guide spring.

[0008] In an optional solution, a partition is vertically provided inside the feeding box close to the ejecting slide block.

[0009] In an optional scheme: the reciprocating mechanism includes a T-shaped slide groove arranged at the lower end of the ejecting slider, a pushing slider is slidably fitted in the T-shaped slide groove, a transmission vertical rod is fixedly provided at the lower end of the pushing slider, the transmission vertical rod is rotatably connected to the eccentric position of the driving ring through a pin shaft, the driving ring is arranged at the output end of the driving motor, the bottom of the driving motor is installed on the cross beam, the two ends of the cross beam are mounted on the second leg outside the feeding box, a bearing positioning frame is rotatably provided on the outer side of the output shaft of the driving motor, and the bearing positioning frame is fixedly connected to the cross beam.

[0010] In an optional solution: the vibration member includes a plurality of raised blocks arranged at the lower end of the screening plate, a support wheel is pressed against the lower end of the raised block, the support wheel is connected to one end of the vibration horizontal axis, the other end of the vibration horizontal axis is connected to the vibration connecting rod, the upper end of the vibration connecting rod is connected to the bottom of the transmission connecting rod, a transmission sleeve is provided at the outer end of the transmission connecting rod, and the transmission sleeve is slidably arranged with the transmission vertical rod.

[0011] In an optional solution: the crushing drive assembly includes a first transmission gear and a second transmission gear arranged at the end of the crushing roller, the first transmission gear and the second transmission gear are meshed with each other, and the axial end of one of the crushing rollers is connected to a crushing motor for driving it to rotate, and the crushing motor is installed on the outside of the crushing box.

[0012] In an optional scheme: the guide mechanism includes a guide plate, which is rotatably connected to the notch at the upper end of the feeding box, and guide baffles are symmetrically provided on both sides of the guide plate. A rotating roller is provided under the guide plate, and the axial end of the rotating roller is rotatably connected to the fixed block at the bottom of the guide plate. A floating shaft is provided under the rotating roller for pressure, and the floating shaft is rotatably connected to the bearing seat at the upper end of the crushing box. A floating cam is provided on the floating shaft for pressure contact with the rotating roller, and a floating gear is provided at the end of the floating shaft, and the floating gear is meshed with the second transmission gear.

[0013] In an optional solution: the end of the transmission sleeve is provided with a connection area connected to the transmission connecting rod.

[0014] In an optional solution, a partition is vertically provided inside the feeding box close to the ejecting slide block.

[0015] In an optional solution: a pressure limiting valve is provided at the outlet of the jet hole, and the setting of the pressure limiting valve makes the gas entering the inner cavity of the scraper plate be compressed, so that the ejected gas has a certain pressure value, thereby improving the hole cleaning effect; Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is designed according to existing needs, and combines reciprocating lifting and feeding shaking, so that the batteries to be recycled can be evenly fed into the crushing equipment, ensuring the uniformity of feeding, which is helpful for subsequent crushing. This vertical feeding optimization method helps to reduce the floor space of the equipment.

[0016] 2. The present invention effectively utilizes the lateral thrust generated by the feeding to continuously lift the materials on the screening plate, and cooperates with the downward blowing method to realize hole cleaning, thereby ensuring smooth screening and helping to ensure the efficiency of recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of one side of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the lower side of the present invention.

[0020] Figure 4 It is a schematic diagram of the charging box structure of the present invention.

[0021] Figure 5 It is a structural schematic diagram of one side of the screening plate of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the other side of the screening plate of the present invention.

[0023] Figure 7 It is a schematic diagram of the upper structure of the scraper plate of the present invention.

[0024] Figure 8 It is a schematic diagram of the lower structure of the scraper plate of the present invention.

[0025] Fig. 9 It is a schematic diagram of the structure of the inflation piston cylinder and the inflation piston rod of the present invention.

[0026] Fig.10 The figure is a process flow chart of battery recycling and regeneration according to the present invention.

[0027] Fig.11 It is a structural schematic diagram of the prior art of the present invention.

[0028] Reference numerals: crushing box 100, first transmission gear 101, second transmission gear 102, crushing roller 103, first bracket 104; Guide plate 200, guide baffle 201, floating cam 202, floating shaft 203, floating gear 204, rotating roller 205; The feeding box 300, the partition 301, the second leg 302, the cross beam 303, the material ejecting slider 304, the T-shaped slide 305, and the pushing slider 306; Screening plate 500, material receiving side plate 501, air guide pipe 502, air guide sleeve 503, mounting frame assembly 504, air inlet pipe 505, air charging piston cylinder 506, air charging piston rod 507, transmission connecting rod 509, suspension rod 510, vibration connecting rod 511, vibration horizontal axis 512, scraper plate 513, telescopic spring 514, air jet hole 515, guide column 516, guide side sleeve 517, limit block 518, guide spring 519, protrusion block 520, and supporting wheel 521; Material receiving inclined plate 600; Driving ring 700 , driving motor 701 , bearing positioning frame 702 , transmission vertical rod 703 , transmission sliding sleeve 704 . DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1-Figure 10 As shown, an embodiment of the present invention provides a recycling and regeneration device for waste lithium iron phosphate batteries, including a crushing box 100, a first bracket 104 is symmetrically arranged on the outer side of the crushing box 100, two crushing rollers 103 are arranged at the upper port position of the crushing box 100, and the crushing rollers 103 are connected to a crushing drive assembly for driving the crushing rollers 103 to rotate, and a feeding assembly for providing battery raw materials is arranged on one side of the crushing box 100; The feeding assembly includes a feeding box 300, and a lifting port is provided at the bottom of the feeding box 300 near the crushing box 100. A material ejecting slider 304 is slidably provided at the lifting port. The lower end of the material ejecting slider 304 is connected to a reciprocating mechanism for driving it to move up and down. The upper end of the material ejecting slider 304 is an inclined surface inclined toward the crushing box 100. The reciprocating mechanism drives the material ejecting slider 304 to move up and down, so that the batteries in the feeding box 300 are transferred to the crushing box 100, so as to realize intermittent feeding. The discharge position of the feeding box 300 is provided with a guide mechanism for guiding the batteries into the crushing box 100, and the guide mechanism can make the batteries enter the crushing box 100 evenly; A screening plate 500 for screening materials is provided at the discharging position below the crushing box 100, and material receiving side plates 501 are symmetrically provided on both sides of the screening plate 500. Both ends of the screening plate 500 are connected to the crushing box 100 through a guide frame group, and the screening plate 500 is tilted toward one side. A material receiving inclined plate 600 for receiving materials is provided below the screening plate 500, and the material receiving inclined plate 600 is connected to the screening plate 500 through a suspension rod 510, so that the material receiving inclined plate 600 and the screening plate 500 can vibrate synchronously, and the screening plate 500 is connected to a vibrating member for driving the vibration thereof, and an air blowing hole cleaning member for cleaning the screening holes thereof is provided at the upper end of the screening plate 500, and the air blowing hole cleaning member can make the filtering of the screening plate 500 smoother, thereby improving the recovery efficiency; The air blowing hole cleaning member includes a scraper plate 513 pressed against the upper end surface of the screening plate 500, and a jet hole 515 for blowing air outward is provided at the lower end of the scraper plate 513. An air guide tube 502 is provided at the inner end of the scraper plate 513, and an air guide sleeve 503 is slidably provided at the upper end of the air guide tube 502. The air guide sleeve 503 and the air guide tube 502 are connected by a telescopic spring 514. The other end of the air guide sleeve 503 is connected to a transmission connecting rod 509, and the other end of the transmission connecting rod 509 is connected to the output end of the reciprocating mechanism. Inflatable piston rods 507 are symmetrically arranged at both ends, the outer ends of the inflatable piston rods 507 are connected to the piston plate inside the inflatable piston cylinder 506, the inlet end of the inflatable piston cylinder 506 is provided with an inlet pipe 505, and a one-way inlet valve is arranged in the inlet pipe 505. The two inflatable piston cylinders 506 are connected to the outside of the crushing box 100 through the mounting frame group 504. The inner cavity of the inflatable piston rod 507 connects the inflatable piston cylinder 506 with the air guide sleeve 503, the air guide pipe 502 and the scraper plate 513, and the inner channel of the inflatable piston rod 507 is provided with a one-way exhaust valve; Driven by the reciprocating mechanism, the transmission connecting rod 509 drives the inflating piston rod 507 to reciprocate in the inflating piston cylinder 506, so that there is always an inflating piston cylinder 506 in a compressed state. When the piston block in the inflating piston cylinder 506 compresses the air, the gas will press the internal channel of the inflating piston rod 507 into the transmission connecting rod 509, and then enter the scraper plate 513 along the air guide sleeve 503 and the air guide pipe 502, and finally be ejected along the air injection hole 515, so as to blow away the materials blocked in the filter holes on the screening plate 500; The guide frame group includes at least two pairs of guide posts 516, the upper ends of the guide posts 516 are connected and fixed to the outside of the crushing box 100, and the outer side of the screening plate 500 is provided with a guide side sleeve 517 slidably arranged with the guide posts 516, and the limit block 518 at the lower end of the guide post 516 is connected to the guide side sleeve 517 through a guide spring 519, so that the screening plate 500 can float up and down along the guide post 516, which is helpful for subsequent screening; A partition plate 301 is vertically arranged inside the feeding box 300 near the material ejection slider 304. The partition plate 301 is arranged to avoid the problem of covering the top of the material ejection slider 304 when feeding; The reciprocating mechanism includes a T-shaped slide groove 305 arranged at the lower end of the ejecting slide block 304, and a pushing slide block 306 is slidably matched in the T-shaped slide groove 305. A transmission vertical rod 703 is fixedly arranged at the lower end of the pushing slide block 306. The transmission vertical rod 703 is rotatably connected to the eccentric position of the driving ring 700 through a pin shaft. The driving ring 700 is arranged at the output end of the driving motor 701, and the driving motor 701 drives the driving ring 700 to rotate. When the driving ring 700 rotates, it will drive the ejecting slide block 304 to move up and down in the feeding box 300 through the pin shaft. When the driving ring 700 drives the transmission vertical rod 703 to move up and down, the T-shaped slide groove 305 will slide horizontally along the pushing slide block 306. The bottom of the driving motor 701 is installed on the crossbeam 303, and the two ends of the crossbeam 303 are connected to the second leg 302 on the outer side of the feeding box 300. A bearing positioning frame 702 is rotatably arranged on the outer side of the output shaft of the driving motor 701, and the bearing positioning frame 702 is fixedly connected to the crossbeam 303. The end of the transmission sleeve 704 is provided with a connection area connected to the transmission connecting rod 509; The vibration member includes a plurality of raised blocks 520 arranged at the lower end of the screening plate 500, and a supporting wheel 521 is pressed against the lower end of the raised block 520, and the supporting wheel 521 is connected to one end of the vibration horizontal axis 512, and the other end of the vibration horizontal axis 512 is connected to the vibration connecting rod 511, and the upper end of the vibration connecting rod 511 is connected to the bottom of the transmission connecting rod 509, and a transmission sleeve 704 is provided at the outer end of the transmission connecting rod 509, and the transmission sleeve 704 is slidably arranged with the transmission vertical rod 703, so that when the transmission vertical rod 703 moves horizontally, the vibration connecting rod 511 will also move horizontally with it, and the vibration horizontal axis 512 and the supporting wheel 521 at the bottom of the vibration connecting rod 511 will also move back and forth horizontally, and the supporting wheel 521 and the raised block 520 match each other, so that the screening plate 500 bumps up and down along the guide frame group, which helps to improve the screening effect; The pulverizing drive assembly includes a first transmission gear 101 and a second transmission gear 102 disposed at the ends of the pulverizing roller 103. The first transmission gear 101 and the second transmission gear 102 are meshed with each other. The shaft end of one of the pulverizing rollers 103 is connected to a pulverizing motor for driving the pulverizing roller to rotate. The pulverizing motor is installed outside the pulverizing box 100. Under the action of the pulverizing motor, one of the pulverizing rollers 103 will rotate. The first transmission gear 101 and the second transmission gear 102 cooperate to drive the two pulverizing rollers 103 to rotate synchronously, thereby completing the pulverizing process of the battery: The guide mechanism includes a guide plate 200, which is rotatably connected to the notch at the upper end of the feeding box 300, and guide baffles 201 are symmetrically arranged on both sides of the guide plate 200. A rotating roller 205 is arranged below the guide plate 200, and the shaft end of the rotating roller 205 is rotatably connected to the fixed block at the bottom of the guide plate 200. A floating shaft 203 is pressed against the lower part of the rotating roller 205, and the floating shaft 203 is rotatably connected to the bearing seat at the upper end of the crushing box 100. There is a floating cam 202 that is pressed against the rotating roller 205. A floating gear 204 is provided at the end of the floating shaft 203. The floating gear 204 is meshed with the second transmission gear 102. Driven by the second transmission gear 102, the floating gear 204 drives the floating shaft 203 to rotate. The floating cam 202 on the floating shaft 203 drives the bottom of the rotating roller 205 to rise and fall, so that the batteries on the guide plate 200 enter the crushing box 100 more dispersedly, making the later crushing more uniform.

[0031] Working principle: the batteries to be recycled are added into the feeding box 300. Under the action of the inclined surface of the feeding box 300, the batteries will move to the bottom, and the reciprocating mechanism will work. The driving motor 701 will drive the driving ring 700 to rotate. When the driving ring 700 rotates, it will drive the ejecting slider 304 to move up and down in the feeding box 300 through the pin shaft. The ejecting slider 304 will push the material at the bottom upward. When it is pushed to the notch position, the batteries on the top of the ejecting slider 304 will enter the crushing box 100 along the guide mechanism. Under the action of the crushing motor, one of the crushing rollers 103 will rotate, and the first transmission gear 101 and the second transmission gear 102 will cooperate to drive the two crushing rollers 103 to rotate synchronously, thereby completing the crushing of the battery. When the transmission vertical rod 703 moves horizontally, the vibration connecting rod 511 will also As it moves laterally, the vibration horizontal axis 512 and the supporting wheel 521 at the bottom of the vibration connecting rod 511 will also move back and forth laterally, and the supporting wheel 521 and the protruding block 520 match each other, so that the screening plate 500 bumps up and down along the guide frame group, which helps to improve the screening effect; under the drive of the reciprocating mechanism, the transmission connecting rod 509 will drive the inflatable piston rod 507 to reciprocate in the inflatable piston cylinder 506, so that there will always be an inflatable piston cylinder 506 in a compressed state. When the piston block in the inflatable piston cylinder 506 compresses the air, the gas will press the internal channel of the inflatable piston rod 507 into the transmission connecting rod 509, and then enter the scraper plate 513 along the air guide sleeve 503 and the air guide pipe 502, and finally be ejected along the jet hole 515, so as to blow away the materials blocked in the filter holes on the screening plate 500; The scraper plate 513 has a triangular cross section. When it moves back and forth along the surface of the screening plate 500, the material will be lifted up along the inclined surface of the scraper plate 513, which helps screening. The floating setting of the air guide sleeve 503 and the air guide pipe 502 here avoids interference problems.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A recycling and regeneration device for waste lithium iron phosphate batteries, comprising a crushing box (100), wherein two crushing rollers (103) are provided at an upper port of the crushing box (100), the crushing rollers (103) are connected to a crushing drive assembly for driving the crushing rollers (103) to rotate, and a feeding assembly for providing battery raw materials is provided on one side of the crushing box (100); Features: The feeding assembly comprises a feeding box (300), the feeding box (300) being provided with a lifting opening near the bottom of the crushing box (100), a material ejecting slider (304) being slidably provided at the lifting opening, the lower end of the material ejecting slider (304) being connected to a reciprocating mechanism for driving the material ejecting slider (304) to move up and down, the upper end of the material ejecting slider (304) being an inclined surface inclined toward the crushing box (100), and a flow guiding mechanism for guiding batteries into the crushing box (100) being provided at the discharge position of the feeding box (300), so that the batteries can be uniformly fed into the crushing box (100) through the flow guiding mechanism; A screening component for screening materials is provided at a material discharging position below the crushing box (100).

2. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 1, characterized in that: The screening component comprises a screening plate (500), both ends of which are connected to a crushing box (100) via a guide frame group, the screening plate (500) being arranged to be inclined toward one side, a material receiving inclined plate (600) for receiving materials being provided below the screening plate (500), the material receiving inclined plate (600) being connected to the screening plate (500) via a suspension rod (510), the screening plate (500) being connected to a vibration member for driving the screening plate (500) to vibrate, and an air blowing hole cleaning member for cleaning the screening holes of the screening plate (500) being provided at the upper end.

3. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 2 is characterized in that: The air blowing hole cleaning member comprises a scraper plate (513) pressed against the upper end surface of the screening plate (500); a jet hole (515) for blowing air outward is provided at the lower end of the scraper plate (513); an air guide tube (502) is provided at the inner end of the scraper plate (513); an air guide sleeve (503) is slidably provided at the upper end of the air guide tube (502); the air guide sleeve (503) and the air guide tube (502) are connected via a telescopic spring (514); the other end of the air guide sleeve (503) is connected to a transmission connecting rod (509); the other end of the transmission connecting rod (509) is connected to an output end of the reciprocating mechanism; the transmission connecting rod (509) ) are symmetrically provided with inflatable piston rods (507) at both ends, the outer ends of the inflatable piston rods (507) are connected to the piston plate inside the inflatable piston cylinder (506), the inlet end of the inflatable piston cylinder (506) is provided with an inlet pipe (505), and the inlet pipe (505) is provided with a one-way inlet valve, the two inflatable piston cylinders (506) are connected to the outside of the crushing box (100) through the mounting frame group (504), the inner cavity of the inflatable piston rod (507) connects the inflatable piston cylinder (506) with the air guide sleeve (503), the air guide pipe (502) and the scraper plate (513), and the internal channel of the inflatable piston rod (507) is provided with a one-way exhaust valve.

4. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 3 is characterized in that: The guide frame assembly comprises at least two pairs of guide columns (516), the upper ends of the guide columns (516) being connected and fixed to the outside of the crushing box (100), the outer side of the screening plate (500) being provided with guide side sleeves (517) slidably arranged with the guide columns (516), and the limit blocks (518) at the lower ends of the guide columns (516) being connected to the guide side sleeves (517) via guide springs (519).

5. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 3 is characterized in that: The reciprocating mechanism comprises a T-shaped slide groove (305) arranged at the lower end of the ejecting slide block (304), a pushing slide block (306) slidably fitted in the T-shaped slide groove (305), a transmission vertical rod (703) fixedly arranged at the lower end of the pushing slide block (306), the transmission vertical rod (703) being rotatably connected to an eccentric position of a driving ring (700) via a pin shaft, the driving ring (700) being arranged at the output end of a driving motor (701), the bottom of the driving motor (701) being mounted on a crossbeam (303), both ends of the crossbeam (303) being connected to a second leg (302) outside the feeding box (300), a bearing positioning frame (702) being rotatably arranged outside the output shaft of the driving motor (701), and the bearing positioning frame (702) being fixedly connected to the crossbeam (303).

6. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 2, characterized in that: The vibrating member comprises a plurality of raised blocks (520) arranged at the lower end of the screening plate (500); a supporting wheel (521) is pressed against the lower end of the raised block (520); the supporting wheel (521) is connected to one end of a vibrating transverse axis (512); the other end of the vibrating transverse axis (512) is connected to a vibrating connecting rod (511); the upper end of the vibrating connecting rod (511) is connected to the bottom of a transmission connecting rod (509); a transmission sliding sleeve (704) is provided at the outer end of the transmission connecting rod (509); and the transmission sliding sleeve (704) is slidably arranged with the transmission vertical rod (703).

7. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 1, characterized in that: The pulverizing drive assembly comprises a first transmission gear (101) and a second transmission gear (102) arranged at the ends of a pulverizing roller (103), the first transmission gear (101) and the second transmission gear (102) being meshed with each other, the shaft end of one of the pulverizing rollers (103) being connected to a pulverizing motor for driving the pulverizing roller to rotate, the pulverizing motor being mounted outside the pulverizing box (100).

8. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 7, characterized in that: The flow guide mechanism comprises a flow guide plate (200), the flow guide plate (200) being rotatably connected to a notch at the upper end of a feeding box (300), flow guide baffles (201) being symmetrically arranged on both sides of the flow guide plate (200), a rotating roller (205) being arranged below the flow guide plate (200), the shaft end of the rotating roller (205) being rotatably connected to a fixed block at the bottom of the flow guide plate (200), a floating shaft (203) being pressed against the lower side of the rotating roller (205), the floating shaft (203) being rotatably connected to a bearing seat at the upper end of the crushing box (100), a floating cam (202) being pressed against the rotating roller (205) being arranged on the floating shaft (203), a floating gear (204) being arranged at the end of the floating shaft (203), and the floating gear (204) being meshed with the second transmission gear (102).

9. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 5, characterized in that: A partition plate (301) is vertically disposed inside the feeding box (300) near the feeding slide block (304).

10. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 6, characterized in that: The end of the transmission sleeve (704) is provided with a connection area connected to the transmission connecting rod (509).

11. The recycling and regeneration equipment for waste lithium iron phosphate batteries according to claim 3, characterized in that: A pressure limiting valve is provided at the outlet of the jet hole (515).

12. A recycling process for waste lithium iron phosphate batteries, characterized in that: The following steps are involved: Step 1: Feed the recycled batteries into the crushing equipment through the feeding assembly, and the feeding process is intermittent; Step 2: The battery is fully crushed by crushing equipment to select the impurities in the outer shell and the raw materials containing lithium ions inside; Step 3: Screen out the target raw material through a screening component, and then obtain and separate the lithium ions in the target raw material through acid and oxidant.

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