CN115621595A

CN115621595A - Method for disassembling and recycling power battery pack

Info

Publication number: CN115621595A
Application number: CN202211177271.5A
Authority: CN
Inventors: 唐展智; 吴恩德; 郑嘉宁
Original assignee: Ningde Sikeqi Intelligent Equipment Co Ltd
Current assignee: Ningde Sikeqi Intelligent Equipment Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-17

Abstract

The invention provides a method for disassembling and recycling a power battery pack, which is characterized by comprising the following steps of: s1, transferring a power battery PACK in a power battery PACK storage bin to a loading station of a PACK box body through a forklift, and hoisting the power battery PACK to a transfer trolley through a lifting appliance; s2, conveying the PACK box body to a PACK box body cleaning station by a transfer trolley; s3, transporting the PACK box body to a water-cooling liquid discharging station; s4, conveying the power battery pack to upper module dismantling equipment, and dismantling the water cooling plate through water cooling plate dismantling equipment; s5, disassembling a lower module of the power battery pack through lower module disassembling equipment; s6, acquiring position information of the side seam welding of the module and position information of the bus sheet through a photographing station before milling; s7, dismantling the end plates and the side plates of the module through a dismantling mechanism; s8, realizing insulation test of the battery cell through an insulation test mechanism; the invention can realize the disassembly and recovery of the electric core of the power battery pack and improve the disassembly and recovery efficiency.

Description

Power battery pack disassembling and recycling method

Technical Field

The invention relates to the technical field of new energy equipment, in particular to a method for disassembling and recycling a power battery pack.

Background

New energy industry rapid development, the power battery package life-span of appearing on the market in early stage also expires basically, and power battery recovery technique is in the state of just starting, and current power battery package is disassembled and is retrieved and disassemble through manual fit hand tool basically, disassembles and retrieves degree of automation not high, leads to production efficiency very low, and the cost of labor is high, disassembles the safe risk of in-process electricity core short circuit also higher in addition.

Disclosure of Invention

In view of this, the present invention provides a recycling method capable of disassembling a power battery pack and recycling a battery core, and improving disassembling and recycling efficiency.

The invention is realized by adopting the following method: a method for disassembling and recycling a power battery pack comprises the following steps:

s1, when disassembling, transferring the power battery PACK in a power battery PACK storage bin to a loading station of a PACK box body through a forklift, hoisting the power battery PACK to a transfer trolley through a lifting appliance, and recovering upper and lower box covers of the power battery PACK in the disassembling process through the transfer trolley;

s2, conveying the PACK box body to a PACK box body cleaning station by a transfer trolley, conveying the PACK box body into the PACK box body cleaning station by an AGV tractor, performing dust absorption and cleaning effects on a power battery PACK by a dust remover, and conveying the transfer trolley out of the cleaning station by the AGV tractor after cleaning is completed;

s3, after cleaning, transporting the PACK box to a water-cooling liquid discharging station, discharging the water-cooling liquid in the power battery PACK under the action of water-cooling liquid discharging equipment, placing the power battery PACK with the discharged cooling liquid on a double-layer roller conveyor belt through a lifting appliance for transportation, and dismantling the wire harness and the electronic components on the power battery PACK when transporting to a wire harness dismantling station;

s4, conveying the power battery pack to upper module dismantling equipment, dismantling the upper module by separating the upper module from the power battery pack through vibration, and dismantling the water cooling plate through water cooling plate dismantling equipment;

s5, after the upper-layer module is disassembled, the upper-layer module is conveyed to a lower-layer module disassembling station through a double-layer roller conveyor belt, the lower-layer module is disassembled, and after the lower-layer module is disassembled, the module is hoisted to a module tray through a turnover module tray to a hoisting station; s6, acquiring position information of side seam welding of the power battery pack and position information of the bus sheet through a photographing station before milling, placing a module tray on a backflow conveying line, fixing the module through a fixing aluminum bus station before milling, and grabbing the module tray to a CNC milling station through a robot for milling;

s7, after the milling residues are cleaned, dismantling end plates and side plates of the module through a dismantling mechanism, after dismantling, performing wire cutting separation on the battery cell and the battery cell through a battery cell separation mechanism, and then sending the battery cell into a discharge bin for discharge treatment; and S8, after the battery cell discharges, realizing the insulation test of the battery cell through the insulation test mechanism, thereby realizing the disassembly and recovery of the power battery pack.

Further, the water-cooling liquid discharge equipment in step S3 includes main part frame and coolant liquid collecting box, the coolant liquid collecting box set up in main part frame side, all be provided with material inductive transducer on the crossbearer at both ends about on the main part frame, main part frame front end is provided with stops the frame, the crossbearer inboard at both ends is provided with deflector and location cylinder about on the main part frame, be provided with the turnover dolly on the main part frame, the crossbearer lower surface rear end at both ends is provided with and is used for the jacking cylinder at turnover dolly rear portion about the main part frame.

Further, the upper module dismantling device in the step S4 comprises a dismantling table, the dismantling table is provided with a first die clamping device used for clamping a power battery pack on a tray, a support frame is arranged in front of the dismantling table, first vibrators are arranged at the left end and the right end of the support frame, first hooks used for hooking the upper module of the power battery pack are arranged at the left end and the right end of the support frame, the first vibrators are arranged above the first hooks, the water cooling plate dismantling device in the step S4 comprises a lower frame, support columns are arranged on the lower frame at the periphery, an upper frame is arranged on the support columns in an erected mode, second die clamping devices used for clamping the water cooling plate of the power battery pack are arranged on the upper surface of the lower frame at the periphery, second vibrators are arranged on the upper frame, and second hooks used for hooking the water cooling plate of the power battery pack are arranged on the lower surface of the second vibrators.

Further, lower floor' S module disassembling equipment in step S5 includes the lower carriage, all be provided with the support column around in the lower carriage, the support column is put on the shelf and is equipped with the frame, the lower carriage upper surface all is provided with all around and is used for the centre gripping the third of power battery package presss from both sides the mould ware, be provided with the third vibrator in the frame of going up, third vibrator lower surface is provided with and is used for hooking the third couple of power battery package.

Further, the milling equipment in step S6 includes module transfer chain, backward flow transfer chain and robot running gear, backward flow transfer chain, module transfer chain and robot running gear set gradually after to in the past, be provided with the fixed frock of aluminium crust on the backward flow transfer chain, the backward flow transfer chain is used for aluminium crust location frock backward flow, the module transfer chain is used for carrying the module tray, be provided with the robot on the conveyer belt, the conveyer belt rear equidistance is provided with and is used for milling a plurality of CNC machining centers to the power battery package, the arm end of robot is provided with and is used for module tray centre gripping extremely machining center' S module tongs, be provided with a plurality of module sideslip mechanisms that are used for removing module tray on the module transfer chain.

Further, demolish mechanism in step S7 includes linear guide, embraces and presss from both sides calliper, electric jar, fourth couple, be provided with on the linear guide embrace press from both sides calliper the electric jar is provided with the fourth couple that is used for hooking the module end plate, sinle silk separating mechanism in step S7 is including supporting the base, be provided with unable adjustment base and wire-cut mechanism on the support base, just unable adjustment base with the wire-cut mechanism is controlled to be set up, unable adjustment base last be provided with wire-cut mechanism matched with wire-cut platform, be provided with the module anchor clamps that are used for pressing from both sides tight power battery package on the wire-cut platform, unable adjustment base with be provided with the moving member between the wire-cut platform.

Furthermore, insulating accredited testing organization in step S8 includes main part frame and electricity survey mechanism, be provided with hoist mechanism and guiding mechanism and fire control mechanism on the main part frame, hoist mechanism in be provided with material frame once fix a position and material frame fine positioning, electricity survey mechanism is provided with rack and pinion mechanism and probe subassembly wherein rack and pinion mechanism utilizes the hand wheel to adjust, fire control mechanism be provided with smoke alarm and the mechanism of putting out a fire.

The invention has the beneficial effects that: the production line and the method can efficiently finish the power battery pack-module-battery cell disassembling process, are suitable for disassembling most power battery packs on the market, and have the advantages of strong compatibility, very high production efficiency, less personnel investment and good safety protection; through developing brand-new disassembling equipment, the automation degree of disassembling and recycling production lines is improved, the disassembling and recycling efficiency is improved, and reliable safety protection measures are provided.

Drawings

FIG. 1 is a schematic flow chart of the method of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of the water-cooling liquid discharge apparatus.

Fig. 4 is a schematic structural view of the upper module dismantling device.

Fig. 5 is a schematic structural diagram of the water cooling plate disassembling device.

Fig. 6 is a schematic structural diagram of the equipment for fixing the aluminium bar before milling.

Fig. 7 is a schematic diagram of the working process of the traversing mechanism.

Fig. 8 is a schematic structural view of the profiling tool.

Fig. 9 is a schematic structural view of the detaching mechanism.

Fig. 10 is a schematic structural diagram of the wire core separating mechanism.

Fig. 11 is a schematic structural diagram of the insulation testing mechanism.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a method for disassembling and recycling a power battery pack, which includes the following steps:

s1, during disassembly, transferring the power battery PACK in a power battery PACK bin 1 to a loading station of a PACK box body through a forklift, hoisting the power battery PACK to a transfer trolley 3 through a hoisting tool 2, and recycling an upper box cover and a lower box cover of the power battery PACK to an upper box body recycling station 4 through the transfer trolley 3;

s2, conveying the PACK box body to a PACK box body cleaning station by a transfer trolley 3, drawing the PACK box body into the PACK box body cleaning station by an AGV tractor, performing dust absorption and cleaning effects on a power battery PACK by a dust remover 5, and sending the transfer trolley 3 out of the PACK box body cleaning station by an AGV traction trolley after cleaning is completed;

s3, after cleaning, transporting the PACK box body to a water-cooling liquid discharging station 6 through a transfer trolley 3, discharging the water-cooling liquid in the power battery PACK under the action of water-cooling liquid discharging equipment, hoisting the power battery PACK with the discharged cooling liquid to a double-layer roller line 8 through a lifting appliance 7 for transportation, and dismantling the wiring harness and electronic components on the power battery PACK when transporting to a wiring harness dismantling station 9;

s4, conveying the power battery pack to upper module dismantling equipment 10, separating the upper module from the power battery pack through vibration, dismantling the upper module, hoisting an upper module device module tray 14 through a hoisting tool 11 after the upper module is dismantled, manually transferring the upper module device module tray to a water cooling plate dismantling station 12, and dismantling the water cooling plate of the module;

s5, after the upper module is hoisted by the hoisting tool, the upper module is transported to a lower module disassembling station 13 through a double-layer roller line 8, the lower module is disassembled, after the lower module is disassembled, the lower module is transported to a hoisting tool 15 through the double-layer roller line 8, the lower module is hoisted to a module tray 14 through the hoisting tool 15, after the lower module is hoisted, the lower shell is hoisted to a transfer trolley 3 through the hoisting tool 15, and the boxes are recovered by manually pushing the transfer trolley 3 to an upper box recovery station 4 and a lower box recovery station 4;

s6, manually transferring the module pallet 14 to a module on-line station 16, hoisting the module to the module pallet through a hanger, completing module on-line, sending the module to a pre-milling photographing station 17 through a module conveying line 19 to obtain position information of module side seam welding and position information of a piece, after photographing is completed, conveying the module to a pre-milling aluminum bar fixing station 18 through the module conveying line 19 for module aluminum bar fixing, then conveying the module pallet to a module pallet transverse moving mechanism 20 through the module conveying line 19 for waiting for a robot module gripper 21 to grip, and gripping the module pallet on the module pallet transverse moving mechanism 20 to a CNC machining center for module side seam welding position and piece position for milling by the robot module gripper 21;

step S7, after the module tray enters a milling residue cleaning station 24 to be cleaned after milling, the aluminum bar fixing tool is subjected to backflow through a backflow line 23, the module is hoisted to a dismantling mechanism 26 through a hoisting tool 25 to dismantle end plates and side plates of the module, after dismantling, the module is hoisted to a module turnover trolley 28 through the hoisting tool 25, then the module is manually turned over to a battery cell separating mechanism 27, a battery cell of a power battery pack is subjected to wire cutting separation with the battery cell through the battery cell separating mechanism 27, then the battery cell is placed into a battery cell tray 29, and then the battery cell tray is manually sent into a discharging bin to be subjected to discharging treatment;

and S8, after the battery cell discharges, realizing the insulation test of the battery cell through the insulation test mechanism 31, thereby realizing the disassembly and recovery of the power battery pack.

Referring to fig. 3, in an embodiment of the present invention, the water-cooling liquid discharging apparatus 6 in step S3 includes a main body frame 604 and a cooling liquid collecting box 601, the cooling liquid collecting box 601 is disposed at a side edge of the main body frame 604, material sensing sensors 602 are disposed on cross frames at left and right ends of the main body frame 604, a blocking frame 607 is disposed at a front end of the main body frame 604, guide plates 605 are disposed inside the cross frames at left and right ends of the main body frame 601, a turnover trolley 606 is disposed on the main body frame 604, a front end of a lower surface of the cross frame at left and right ends of the main body frame 604 is provided with a front wheel positioning cylinder 608 for a trolley, and a jacking cylinder 609 is disposed at a rear end of a lower surface of the cross frame at left and right ends of the main body frame 604 for jacking the rear part of the turnover trolley 606. The turnover trolley 606 is manually pushed to a water cooling liquid discharging station to be in contact with the blocking frame 607, a front wheel positioning cylinder 608 of the trolley is used for positioning the front wheel of the turnover trolley 606 through the material induction sensor 602, the power battery pack is tilted by jacking a rear part of the turnover trolley 606 through a jacking cylinder 609, the power battery pack is manually connected with a cooling liquid inlet and outlet of the cooling liquid collecting box 601, and then the water cooling liquid is discharged to be recycled.

Referring to fig. 4, in an embodiment of the present invention, the upper module dismantling device 10 in step S4 includes a double-layer roller line 1006, a tray 1004 for placing the power battery pack is disposed on the double-layer roller line 1006, a first mold clamping device 1005 for clamping the power battery pack on the tray 1004 is disposed on the double-layer roller line 1006, a support frame 1001 is disposed in front of the double-layer roller line 1006, first vibrators 1002 are disposed at left and right ends of the support frame 1001, first hooks 1003 for hooking the upper module of the power battery pack are disposed at left and right ends of the support frame 1001, and the first vibrators 1002 are disposed above the first hooks 1003. When the tray 1004 loaded with the power battery pack reaches the upper-layer module dismantling device 10, the power battery pack is clamped by the first mold clamping device 1005, the first hook 1003 and end plates on two sides of the module are fastened manually, then the first vibrator 1002 is started, and the upper-layer module and the power battery pack are separated through vibration, so that the dismantling purpose is achieved.

Referring to fig. 5, in an embodiment of the present invention, the water-cooled plate dismantling device 12 in step S5 includes a lower frame 1203, support columns 1205 are disposed on the lower frame 1203 at the periphery, an upper frame 1206 is erected on the support columns 1205, second mold clamping devices 1201 for clamping the water-cooled plate of the power battery pack are disposed on the periphery of the upper surface of the lower frame 1203, a second vibrator 1201 is disposed on the upper frame 1206, and a second hook 1204 for hooking the water-cooled plate of the power battery pack is disposed on the lower surface of the second vibrator 1201. Place power battery package in lower frame 1203, use second die clamper 1201 to press from both sides the water-cooling board, use second couple 1204 to lock the module both sides end plate, then start second vibrator 1202, through vibration separation water-cooling board and module, reach and disassemble the purpose, put into module tray 1801 with the module by the manual work again.

Referring to fig. 6, in an embodiment of the present invention, the aluminum bar fixing station 18 before milling in step S6 includes a module conveying line 19 and a reflow conveying line 23, the reflow conveying line 23 is provided with aluminum bar fixing tools 231 at equal intervals, the module conveying line 19 is used for conveying the module tray 18, the robot traveling mechanism 211 is provided with a robot 21, a plurality of processing centers 22 for milling power battery packs are disposed behind the robot traveling mechanism 211, a module gripper 212 for clamping the module tray 18 to the processing centers 22 is disposed at a tail end of a mechanical arm of the robot 21, the processing centers 22 are provided with a traverse mechanism 20, and the traverse mechanism 20 is disposed outside the robot traveling mechanism 211. Module tray is carried to milling preceding aluminium bar fixed station 18, artifical aluminium bar fixed frock 231 from backflow transfer line 23 is installed on the module, then press the release button, the module tray is carried to module sideslip mechanism 20 through module transfer line 19, robot 21 moves to module sideslip mechanism 20 department through robot running gear 211, then use module tongs 212 to snatch the module and place the milling jig of machining center 22 (milling jig takes electric core short-circuit protection pond), machining center 22 begins to carry out milling of piece, separate piece or CCS and electric core utmost point post, then mill the welding seam (diagonal weld position 2 sword) of curb plate and end plate, prepare for follow-up separation end plate, accomplish after milling, robot 21 moves to machining center and snatchs the module after milling and carries to module sideslip mechanism 20, move to the people's station through module transfer line 19, artifical the fixed frock 231 of dismantling and cleaning aluminium bar is placed backflow transfer line 23 and is carried out the frock backflow, the module tray flows to milling back clean station 24 and carries out the module surface and mills, flow to next station after the cleaning is accomplished, wherein the sideslip mechanism work flow is: when a proximity switch 2001 on the transverse moving mechanism 20 senses that a module tray comes, the module tray on the conveying line is jacked up through a jacking cylinder 2002 and a guide shaft 2003, after the module tray is jacked in place, a motor 2004 drives a chain 2005 and a transmission shaft 2006 to rotate so as to drive transmission chains 2007 on two sides to transversely move the module tray, and in order to prevent the module tray from deviating during transverse moving, guide blocks 2008 are arranged on two sides to guide the module tray (as shown in fig. 7) and form a tool (as shown in fig. 8).

Referring to fig. 9, in an embodiment of the present invention, the end-side panel removing mechanism 26 in step S7 includes a table 2606, the table 2607 is provided with a slide rail 2604, the slide rail 2604 is provided with

quick clamps

2602 and 2606, the table 2607 is provided with

electric cylinders

2601 and 2606, the

electric cylinders

2601 and 2606 are provided with fourth hooks 2603, when the module is manually lifted to the end-side panel removing mechanism 26 by a KBK hanger, the module is clasped by the quick clamps 2602 in the long side position, the fourth hooks 2603 on the electric cylinders 2606 in the short side position are manually connected and fastened to the upper end panel of the module, the start key is pressed to start the separation of the end panel from the module, the quick clamps 2602 in the long side position are moved out of the working position after the separation is completed, the quick clamps 2605 in the short side position are moved into the working position, the side panel is separated from the module by the same method, the end panel is lifted to the side panel, and the module is lifted to the pallet and then moved to the next dismantling station.

Referring to fig. 10, in an embodiment of the present invention, the wire core separating mechanism 27 in step S7 includes a supporting base 2701, a fixing base 2702 and a wire cutting mechanism 2703 are disposed on the supporting base 2701, a wire cutting platform matched with the wire cutting mechanism 2703 is disposed on the fixing base 2702, a module fixture 2705 for manually clamping a module is disposed on the wire cutting platform, and a moving member 2704 is disposed between the fixing base 2702 and the wire cutting platform. Carry the module to the line cutting platform through the dolly, fix the module of treating the line cutting through module anchor clamps 2705, then starting equipment, the line cutting mechanism 2703 and moving member 2704 cooperation carry out the line cutting separation of electric core and electric core, accomplish the line cutting back, and the manual work is carried out the electric core tray with the electric core and is piled up, flows to next station.

The module fixture in the invention can be a wire-conveying crank, and the moving part is an XY workbench, but is not limited to the XY workbench.

Referring to fig. 11, in an embodiment of the present invention, the insulation tester 31 in step S8 includes a base 3101, a lower support frame 3112 and an upper support frame 3121, a forklift is manually used to guide a cell tray through a cell tray guide mechanism 3104 to load the cell tray and place the cell tray on a support block 3103, and a cylinder jacking tray positioning pin 3102 is used to position the cell tray once, after positioning is completed, an air cylinder 3116 is lifted to drive a connecting rod 3115 and a movable joint 3114 to move, the lower support frame 3112 is lifted, the lower support frame 3112 is provided with a guide mechanism 3118 to lift, the lower support frame 3112 is provided with a limit mechanism 3113 to ensure that a cell does not collide with a probe during lifting, the lower support frame 3112 is provided with a cell tray secondary positioning pin 3109 to be positioned with the cell tray when the lower support frame 3112 is lifted, and to contact with the probe 3118 on the upper support frame 3121 to perform an insulation test, the upper support frame 3117 is provided with a secondary positioning pin 3117 to perform a secondary fire protection, the upper fire protection test rack 3111 is provided with the upper support frame 3117 to ensure that the fire protection sensor 3110, and the fire protection sensor 3127 is moved to perform a fire protection test, and to perform a fire protection test on the fire protection test the upper fire protection test probe 3111, the fire protection test handler, the fire protection rack 3111, and the fire protection rack 3110, the fire protection mechanism 3111, and the fire protection mechanism 3126 is provided with the fire protection mechanism 3111 to ensure that the fire protection mechanism 3111 to perform a fire protection mechanism 3110 to perform a fire protection test safety test.

The material induction sensor (ohm dragon E3Z-T81A), the vibrator (ram Rui Jiup>A Zhifeng 125 type electric money (380V)), the dust remover (Huile explosion-proof dust remover), the smoke sensor (HEAMIN Heiman Heman 626), the mold clamping device (TY-10), the robot (Kukup>A KR 210-2700), the processing center (VFP-32A) and the electric cylinder (Sheerer E80-200-25-10-PJ-M1000W-A-S1) are all the prior art, and the detailed description is omitted herein for the clear understanding of the skilled person.

The above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. A method for disassembling and recovering a power battery pack is characterized by comprising the following steps:

s2, conveying the PACK box body to a PACK box body cleaning station by a transfer trolley, conveying the PACK box body into the PACK box body cleaning station by an AGV tractor, performing dust collection and cleaning effects on a power battery PACK by a dust collection mechanism, and conveying the transfer trolley out of the cleaning station by the AGV tractor after cleaning is completed;

s5, after the upper-layer module is dismantled, the upper-layer module is conveyed to a lower-layer module dismantling station through a double-layer roller conveyor belt, the lower-layer module is dismantled, and after the lower-layer module is dismantled, the module is hoisted to a module tray through a turnover module tray to a hoisting station;

s6, acquiring position information of side seam welding of the power battery pack and position information of the bus sheet through a photographing station before milling, placing a module tray on a backflow conveying line, fixing the module through a fixing aluminum bus station before milling, and grabbing the module tray to a CNC milling station through a robot for milling;

s7, after the milling residues are cleaned, dismantling end plates and side plates of the module through a dismantling mechanism, after dismantling, performing wire cutting separation on the battery cell and the battery cell through a battery cell separation mechanism, and then sending the battery cell into a discharge bin for discharge treatment;

and S8, after the battery cell discharges, realizing the insulation test of the battery cell through the insulation test mechanism, thereby realizing the disassembly and recovery of the power battery pack.

2. The power battery pack disassembling and recycling method according to claim 1, characterized in that: the water-cooling liquid discharging device in the step S3 comprises a main body frame and a cooling liquid collecting box, wherein the cooling liquid collecting box is arranged on the side edge of the main body frame, material induction sensors are arranged on cross frames at the left end and the right end of the main body frame, a blocking frame is arranged at the front end of the main body frame, a guide plate and a positioning cylinder are arranged on the inner sides of the cross frames at the left end and the right end of the main body frame, a turnover trolley is arranged on the main body frame, and jacking cylinders used for jacking are arranged at the rear parts of the turnover trolley at the rear ends of the lower surfaces of the cross frames at the left end and the right end of the main body frame.

3. The method for disassembling and recycling the power battery pack according to claim 1, wherein: the upper module dismantling device in the step S4 comprises a dismantling table, wherein a first die clamping device used for clamping a power battery pack on a tray is arranged on the dismantling table, a support frame is arranged in front of the dismantling table, first vibrators are arranged at the left end and the right end of the support frame, first hooks used for hooking the upper module of the power battery pack are arranged at the left end and the right end of the support frame, the first vibrators are arranged above the first hooks, the water-cooling plate dismantling device in the step S4 comprises a lower frame, support columns are arranged on the lower frame at the periphery, an upper frame is erected on the support columns, second die clamping devices used for clamping the water-cooling plate of the power battery pack are arranged on the periphery of the upper surface of the lower frame, second vibrators are arranged on the upper frame, and second hooks used for hooking the water-cooling plate of the power battery pack are arranged on the lower surface of the second vibrators.

4. The method for disassembling and recycling the power battery pack according to claim 1, wherein: the lower-layer module disassembling equipment in the step S5 comprises a lower frame, support columns are arranged on the lower frame in a surrounding mode, an upper frame is arranged on the support columns in a erected mode, a third mold clamping device used for clamping the power battery pack is arranged on the upper surface of the lower frame in a surrounding mode, a third vibrator is arranged on the upper frame, and a third hook used for hooking the power battery pack is arranged on the lower surface of the third vibrator.

5. The method for disassembling and recycling the power battery pack according to claim 1, wherein: milling equipment in step S6 includes module transfer chain, backward flow transfer chain and robot running gear, backward flow transfer chain, module transfer chain and robot running gear set gradually after to in the past, be provided with the fixed frock of aluminium bar on the backward flow transfer chain, the backward flow transfer chain is used for aluminium bar location frock backward flow, the module transfer chain is used for carrying the module tray, be provided with the robot on the transfer chain, the conveyer belt rear equidistance is provided with a plurality of CNC machining centers that are used for milling power battery package, the arm end of robot is provided with and is used for module tray centre gripping extremely machining center' S module tongs, be provided with a plurality of module sideslip mechanisms that are used for removing module tray on the module transfer chain.

6. The power battery pack disassembling and recycling method according to claim 1, characterized in that: demolish mechanism in step S7 includes linear guide, embraces and presss from both sides calliper, electric jar, fourth couple, be provided with on the linear guide embrace press from both sides calliper the electric jar is provided with the fourth couple that is used for hooking the module end plate, sinle silk separating mechanism in step S7 is including supporting the base, be provided with unable adjustment base and line cutting mechanism on the support base, just unable adjustment base with line cutting mechanism controls the setting, unable adjustment base is last be provided with line cutting mechanism matched with line cutting platform, be provided with the module anchor clamps that are used for pressing from both sides tight power battery package on the line cutting platform, unable adjustment base with be provided with the moving member between the line cutting platform.

7. The method for disassembling and recycling the power battery pack according to claim 1, wherein: the insulation testing mechanism in the step S8 comprises a main body frame and an electric measuring mechanism, a lifting mechanism, a guide mechanism and a fire fighting mechanism are arranged on the main body frame, a material frame is positioned once and the material frame is positioned accurately in the lifting mechanism, the electric measuring mechanism is provided with a gear rack mechanism and a probe assembly, the gear rack mechanism is adjusted by a hand wheel, and the fire fighting mechanism is provided with a smoke alarm and a fire extinguishing mechanism.