Battery pack disassembling line

Abstract

The invention discloses a battery pack disassembling line, and belongs to the technical field of battery pack disassembling, the battery pack disassembling line comprises a gantry crane, an AGV trolley, a conveying line, a disassembling table and an assembling table, the gantry crane is provided with the AGV trolley for transferring a battery pack, one side of the gantry crane is provided with the conveying line for conveying the battery pack, and the assembling table is provided with the AGV trolley for transferring the battery pack. Disassembling tables used for disassembling battery packs are arranged on the two sides of the conveying line, a milling machining center is arranged on the side, away from the disassembling tables, of the pneumatic balance folding arm crane, a six-axis mechanical arm is arranged at the milling machining center, an automatic side plate single-edge cutting machine is arranged at the position, away from the milling machining center, of the conveying line, and the automatic side plate single-edge cutting machine is arranged on the side, away from the milling machining center, of the pneumatic balance folding arm crane. An assembly table is arranged at the position, away from the conveying line of the milling machining center, of the automatic side plate single-edge cutting machine. According to the battery pack disassembling line, the battery pack can be automatically transferred and disassembled, the operation steps of workers are reduced, meanwhile, the disassembled battery pack parts are matched through the conveying line, and the conveying efficiency of battery disassembling is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery pack disassembly, in particular to a battery pack disassembly line. BACKGROUND

[0002] With the rapid development of the new energy vehicle industry, the installed capacity of power batteries continues to rise, followed by the problem of processing a large number of retired power batteries. Efficient disassembly, detection and reorganization of retired battery packs are key links to realize cascade utilization and material recycling, which are of great significance for saving resources, protecting the environment and promoting circular economy.

[0003] Currently, for the disassembly of retired battery packs, the industry still relies heavily on traditional manual or semi-automated operation methods. A typical traditional disassembly process usually goes as follows: the operator first uses a crane or forklift to transfer the battery pack from the storage area to the disassembly station; then, at the fixed disassembly workbench, the worker needs to manually use various pneumatic or electric tools to disassemble the shell, connecting parts, module fixing structure, etc. of the battery pack. This process has many drawbacks:

[0004] 1. Low degree of automation and low efficiency: manual intervention is required in each link of battery pack transfer, positioning, disassembly, etc., which is labor-intensive, slow in disassembly, and difficult to form a large-scale and continuous operation process, which cannot meet the processing needs of future massive retired battery packs.

[0005] 2. Poor safety: the battery pack may have residual electricity, and there is a risk of short circuit, leakage, and even fire and explosion during disassembly. Manual operation of various cutting and milling equipment at close range poses a serious threat to the safety of the operator.

[0006] 3. Incoherent operation process and chaotic logistics: there is a lack of effective automation between each process (such as disassembly, handling, machining, and detection), and material turnover relies on manual or simple handling equipment, resulting in loose production line layout, cross and unsmooth logistics path, and low overall space utilization and production efficiency.

[0007] 4. Disassembly precision and consistency are difficult to guarantee: manual operation inevitably introduces errors, especially in fine operations such as cutting battery pack side plates and milling connecting parts, non-standard operation may cause damage to the battery cells or core components, affecting their subsequent cascade utilization value.

[0008] In order to overcome the above defects, the industry began to explore automated disassembly solutions. However, the existing automation scheme often only automates a single process, such as introducing a mechanical hand to remove screws or weld, but fails to plan from the system level of the entire production line, resulting in each automation unit becoming an "information island" and failing to form an efficient, smooth and complete automated disassembly assembly line.

[0009] Therefore, there is an urgent need in the art for a highly integrated, automated and reasonably laid-out battery pack disassembly line that can seamlessly connect the processes of battery pack feeding, transfer, disassembly, machining, detection and reorganization, thereby improving disassembly efficiency and safety while ensuring disassembly quality and having good flexibility to adapt to the production needs of multiple models of products. SUMMARY

[0010] The purpose of the present application is to provide a battery pack disassembly line to solve the problem of the current battery disassembly line on the market, which is mostly disassembled by manual labor, has low automation degree, and especially for the disassembly of heavy battery packs, has low disassembly efficiency.

[0011] To achieve the above purpose, the present application provides the following technical scheme: a battery pack disassembly line, comprising a gantry crane, an AGV trolley, a conveying line, a disassembly table and an assembly table, the gantry crane is provided with an AGV trolley for transferring battery packs, one side of the gantry crane is provided with a conveying line for conveying battery packs, both sides of the conveying line are provided with disassembly tables for disassembling battery packs, the outer end of the conveying line away from the gantry crane side of the disassembly table is provided with a pneumatic balance folding arm crane for hoisting disassembled battery packs, the side away from the disassembly table of the pneumatic balance folding arm crane is provided with a milling machining center, the milling machining center is provided with a six-axis robot, the conveying line away from the milling machining center of the automatic side plate single-sided cutting machine is provided with an assembly table.

[0012] Further, the gantry crane comprises a lifting cylinder and a lifting clamp, the lower end of the lifting cylinder is provided with a lifting clamp for lifting the battery pack on the AGV trolley.

[0013] Further, the pneumatic balance folding arm crane comprises a first folding arm, a second folding arm and a lifting rope, the upper part of the pneumatic balance folding arm crane is provided with a rotatable first folding arm, the outer end of the first folding arm is provided with a rotatable second folding arm, and the lower end of the second folding arm is provided with a lifting rope.

[0014] Further, one end of the lifting rope away from the second folding arm is provided with a lifting clamp for lifting and carrying the disassembled battery pack, the lifting clamp comprises a pneumatic cylinder, a guide rail, a sliding sleeve, a clamping arm, a clamping plate, a main support rod and a vice support rod, the top of the lifting clamp is provided with the pneumatic cylinder, the pneumatic cylinder is fixed on the upper section of the guide rail, the telescopic end of the pneumatic cylinder is fixedly connected with the sliding sleeve, the sliding sleeve is sleeved outside the guide rail, the lower end of the sliding sleeve is fixedly connected with the clamping arm, and the lower end of the clamping arm is provided with the clamping plate for clamping the battery pack.

[0015] Further, the middle part of the guide rail is connected with the main support rod through a bearing, the two ends of the main support rod are connected with the vice support rod through rotating shafts, and the other end of the vice support rod is connected with the lower end of the clamping arm through a bearing.

[0016] Further, the disassembling table is a lifting disassembling table, the disassembling tables are arranged on the two sides of the conveying line, and the top of the disassembling table is provided with an integrated tool lifting frame for lifting the battery pack.

[0017] Further, the lifting structure of the lifting rope is a pneumatic hoist.

[0018] Further, the assembling table is used for assembling the battery cell after artificial detection.

[0019] Compared with the prior art, the battery pack disassembling line has the beneficial effects that: according to the characteristics of the battery pack disassembly, the corresponding gantry crane, milling machining center, six-axis manipulator and automatic side plate single-side cutting machine are arranged, the automatic transfer and disassembly of the battery pack can be realized, the operation steps of workers are reduced, meanwhile, the conveying line for matching the disassembled battery pack parts is arranged, and the conveying efficiency of the battery disassembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a disassembling line schematic view of the battery pack disassembling line of the application;

[0021] Figure 2 It is a gantry crane structure schematic view of the battery pack disassembling line of the application;

[0022] Figure 3 It is a pneumatic balance folding arm lifting structure schematic view of the battery pack disassembling line of the application;

[0023] Figure 4 It is a lifting clamp structure schematic view of the battery pack disassembling line of the application;

[0024] Figure 5 It is a milling machining center and six-axis manipulator structure schematic view of the battery pack disassembling line of the application;

[0025] Figure 6It is a disassembling table structure diagram of a battery pack disassembling line of the application.

[0026] In the figure: 1, gantry crane; 101, lifting cylinder; 102, lifting clamp; 2, AGV trolley; 3, conveying line; 4, disassembling table; 5, pneumatic balance folding arm crane; 501, first folding arm; 502, second folding arm; 503, lifting rope; 6, milling machining center; 7, six-axis manipulator; 8, automatic side plate single-sided cutting machine; 9, assembly table; 10, lifting clamp; 1001, cylinder; 1002, guide rail; 1003, sliding sleeve; 1004, clamping arm; 1005, clamping plate; 1006, main support rod; 1007, auxiliary support rod. DETAILED DESCRIPTION

[0027] Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0028] As Figures 1 to 6 shown;

[0029] Example 1

[0030] A battery pack disassembling line in this embodiment includes a gantry crane 1, an AGV trolley 2, a conveying line 3, a disassembling table 4, and an assembly table 9. The gantry crane 1 is provided with the AGV trolley 2 for transferring battery packs. The gantry crane 1 is provided with the conveying line 3 on one side for conveying battery packs. The conveying line 3 is provided with the disassembling table 4 on both sides for disassembling battery packs. The disassembling table 4 is provided with the pneumatic balance folding arm crane 5 on the outer end of the conveying line 3 away from the gantry crane 1 for lifting disassembled battery packs. The pneumatic balance folding arm crane 5 is provided with the milling machining center 6 on the side away from the disassembling table 4. The milling machining center 6 is provided with the six-axis manipulator 7. The conveying line 3 is provided with the automatic side plate single-sided cutting machine 8 away from the milling machining center 6. The automatic side plate single-sided cutting machine 8 is provided with the assembly table 9 on the conveying line 3 away from the milling machining center 6. The disassembling table 4 is a lifting disassembling table. The disassembling table 4 is arranged on both sides of the conveying line 3. The disassembling table 4 is provided with an integrated tool crane above for lifting battery packs. The assembly table 9 is used for manually assembling battery cells after detecting the disassembled battery cells.

[0031] In this embodiment, the corresponding gantry crane 1, AGV trolley 2, pneumatic balance folding arm crane 5, milling machining center 6 and six-axis manipulator 7 are arranged, so that the battery pack can be automatically disassembled, and the disassembly efficiency of the battery pack is improved. At the same time, since the battery pack is disassembled by using automatic equipment, the damage to the personal safety of the workers during the disassembly of the battery pack is effectively avoided. The battery pack is moved by the chain jacking transfer machine through the connecting roller transfer machine at the line side and enters the manual disassembly table 4 provided with the pneumatic jacking chain transfer. The worker disassembles the battery pack on the disassembly table in one station and hoists the module to the sheet chain conveyor for outputting the module. The disassembled empty box is conveyed to the hydraulic lifting platform at the tail of the line through the roller line, and the tray is automatically lifted to the upper layer of the backflow speed chain conveying line and conveyed back to the hydraulic platform at the head of the line.

[0032] In this embodiment, six manual disassembly stations are matched with the disassembly of the battery pack. The stations are mainly used for manually disassembling the wire harness, BMS, hardware support, electrical components, copper bar and module screw in the battery pack. Each station is matched with an industrial flat plate and a code scanning gun for displaying the operation guidance of disassembly and binding the bar code of the battery pack and the module. The disassembly table 4 is provided with a chain jacking transfer mechanism below for transferring the battery pack tray from the roller conveying connecting machine to the disassembly table 4.

[0033] In this embodiment, two sets of KBK gantry frames are provided above the disassembly table 4, each of which is provided with three sets of module intelligent lifting machines for lifting the module out of the box and conveying it to the sheet chain conveying line for outputting the module.

[0034] In this embodiment, a movable integrated tool hanger is installed above each disassembly table, and four pneumatic screw guns and balancers are installed on the hanger.

[0035] In this embodiment, the manual auxiliary machine and the automatic disassembly module function. Specifically, it includes module code scanning online, manual disassembly of module upper cover, manual disassembly of module internal wire harness, manual milling of busbar welding point, automatic grabbing of module by robot, automatic milling of module busbar welding point and module end side plate weld by milling special machine, manual removal of busbar, manual disassembly of module, battery testing and grading, and robot grabbing of graded battery into frame.

[0036] Embodiment 2:

[0037] The difference between this embodiment and embodiment 1 is that the gantry crane 1 includes a lifting cylinder 101 and a lifting clamp 102. The lower end of the lifting cylinder 101 is provided with a lifting clamp 102 for lifting the battery pack on the AGV trolley 2. By arranging the gantry crane 1, the lifting work of the AGV trolley 2 carrying the battery pack can be realized, which is convenient for lifting the battery pack to the conveying line 3.

[0038] Embodiment 3:

[0039] The difference between this embodiment and embodiment 1 is that the lifting clamp 10 comprises a pneumatic cylinder 1001, a guide rail 1002, a sliding sleeve 1003, a clamping arm 1004, a clamping plate 1005, a main supporting rod 1006 and a vice supporting rod 1007. The top of the lifting clamp 10 is provided with the pneumatic cylinder 1001, the pneumatic cylinder 1001 is fixed on the upper section of the guide rail 1002, the telescopic end of the pneumatic cylinder 1001 is fixedly connected with the sliding sleeve 1003, the sliding sleeve 1003 is sleeved outside the guide rail 1002, the lower end of the sliding sleeve 1003 is fixedly connected with the clamping arm 1004, the lower end of the clamping arm 1004 is provided with the clamping plate 1005 for clamping the battery pack, the middle part of the guide rail 1002 is connected with the main supporting rod 1006 through a bearing, the two ends of the main supporting rod 1006 are connected with the vice supporting rod 1007 through rotating shafts, the other end of the vice supporting rod 1007 is connected with the lower end of the clamping arm 1004 through a bearing. By arranging the lifting clamp 10 and the movable clamping plate 1005 at the lower part of the lifting clamp 10, the clamping operation of the disassembled battery pack parts is realized, and the battery pack is prevented from falling during the transfer process.

[0040] Embodiment 4:

[0041] The difference between this embodiment and embodiment 1 is that the pneumatic balance folding arm crane 5 comprises a first folding arm 501, a second folding arm 502 and a lifting rope 503. The upper part of the pneumatic balance folding arm crane 5 is provided with the rotatable first folding arm 501, the outer end of the first folding arm 501 is provided with the rotatable second folding arm 502, and the lower end of the second folding arm 502 is provided with the lifting rope 503. The lifting structure of the lifting rope 503 is a pneumatic hoist. By arranging the rotatable first folding arm 501 and the second folding arm 502, the transfer of the clamped battery pack can be realized, and the next disassembly work of the battery pack can be realized.

[0042] Working principle: when the battery pack is disassembled, the lifting rope 503 is lifted to the position of the battery pack to be disassembled, the first folding arm 501 is rotated to the position of the battery pack to be disassembled, the second folding arm 502 is rotated to the position of the battery pack to be disassembled, the lifting rope 503 is lowered to the position of the battery pack to be disassembled, the clamping plate 1005 is clamped to the battery pack to be disassembled, and the battery pack to be disassembled is clamped and held. Figures 1-6As shown, the gantry crane 1 hoists the battery pack on the AGV trolley 2 to the conveying line 3 through the hoisting clamp 102 below the hoisting cylinder 101, and is transported to the disassembly table 4 by the conveying line 3, and the worker pre-disassembles the battery pack on the disassembly table 4, removes the wire harness, BMS, electrical appliances, hardware, copper bar and module screw inside the battery pack, and then is transported to the pneumatic balance folding arm crane 5 by the conveying line 3, the pneumatic balance folding arm crane 5 clamps the battery pack through the hoisting clamp 10 below the second folding arm 502, that is, the extension end of the cylinder 1001 pulls the sliding sleeve 1003 to move on the guide rail 1002, the sliding sleeve 1003 drives the clamping plate 1005 below the clamping arm 1004 to clamp the battery pack, and the auxiliary support rod 1007 and the main support rod 1006 are folded under the pushing of the clamping arm 1004. After the battery pack is clamped, the pneumatic balance folding arm crane 5 transfers the battery pack to the conveying line at the milling machining center 6 through the first folding arm 501 and the second folding arm 502, the six-axis manipulator 7 clamps the battery pack on the conveying line 3 to the milling machining center 6, clamps the module by the machining clamp, and the milling machining center 6 automatically processes the welding points one by one according to the preset program. If a fire occurs during the processing, the processing equipment will immediately stop and push the module into the fire extinguishing box. After the processing is completed, the six-axis manipulator 7 grabs the module to the automatic side plate single-sided cutting machine 8, and after cutting, the six-axis manipulator 7 grabs the rotating module to the other side to cut the other side plate. The processed module is placed on the corresponding conveying line 3 by the six-axis manipulator 7 and enters the assembly table 9 for manual assembly.

[0043] Module disassembly process flow:

[0044] Station 1: Module online (manual assistance).

[0045] Station 2: Remove the module cover and internal wire harness (manual).

[0046] Station 3: Manual processing of module busbar welding points / pole processing (power roller automatic conveying, manual assistance)

[0047] Station 4: Automatic processing of module busbar welding points (robot feeding and discharging). The robot grabs the module from the conveying line and places it on the station table of the welding point milling machine, the clamp is automatically positioned and fixed, the welding point milling machine automatically processes the welding points and the end side plate weld, and after the processing is completed, the robot clamps the module to the connection mechanism. (This equipment is suitable for square modules with the same side pole, and is not suitable for products of the welding point milling machine, which is processed by station 3 or manual disassembly line.)

[0048] Station 5: Manual removal of the busbar.

[0049] Station 6: Dissect the module and take out the single battery (manual). The module with cut end side plate is dismembered, and the disassembled single battery is placed on the battery conveying line.

[0050] Station 7: Automatic battery sorting.

[0051] It should be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like refer to the orientation or positional relationship shown in the drawings, which are simplified descriptions for the convenience of describing the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the present application. The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings. The specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art. The mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art. Herein, no further description is given.

[0052] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A battery pack disassembly line, comprising a gantry crane (1), an AGV trolley (2), a conveyor line (3), a disassembly table (4), and an assembly table (9), characterized in that: The gantry crane (1) is equipped with an AGV trolley (2) for transferring battery packs. A conveyor line (3) for transferring battery packs is provided on one side of the gantry crane (1). Disassembly tables (4) for disassembling battery packs are provided on both sides of the conveyor line (3). A pneumatically balanced folding arm crane (5) for lifting disassembled battery packs is provided at the outer end of the conveyor line (3) on the side away from the gantry crane (1) of the disassembly table (4). A milling machining center (6) is provided on the side of the pneumatically balanced folding arm crane (5) away from the disassembly table (4). A six-axis robot (7) is provided at the milling machining center (6). An automatic side plate single-sided cutting machine (8) is provided at the conveyor line (3) away from the milling machining center (6). An assembly table (9) is provided at the conveyor line (3) away from the milling machining center (6).

2. The battery pack disassembly line according to claim 1, characterized in that: The gantry crane (1) includes a lifting cylinder (101) and a lifting clamp (102). The lower end of the lifting cylinder (101) is provided with a lifting clamp (102) for lifting the battery pack on the AGV trolley (2).

3. The battery pack disassembly line according to claim 1, characterized in that: The pneumatically balanced folding boom crane (5) includes a first folding boom (501), a second folding boom (502), and a lifting rope (503). The upper part of the pneumatically balanced folding boom crane (5) is provided with a rotatable first folding boom (501), the outer end of the first folding boom (501) is provided with a rotatable second folding boom (502), and the lower end of the second folding boom (502) is provided with a lifting rope (503).

4. A battery pack disassembly line according to claim 3, characterized in that: The lifting rope (503) is provided with a lifting clamp (10) for lifting the disassembled battery pack at one end away from the second folding arm (502). The lifting clamp (10) includes a cylinder (1001), a guide rail (1002), a sliding sleeve (1003), a clamping arm (1004), a clamping plate (1005), a main support rod (1006), and a secondary support rod (1007). The top of the lifting clamp (10) is provided with a cylinder ( 1001), the cylinder (1001) is fixed on the upper section of the guide rail (1002), the telescopic end of the cylinder (1001) is fixedly connected to the sliding sleeve (1003), the sliding sleeve (1003) is sleeved on the outside of the guide rail (1002), the lower end of the sliding sleeve (1003) is fixed with a clamping arm (1004), and the lower end of the clamping arm (1004) is provided with a clamping plate (1005) for clamping the battery pack.

5. A battery pack disassembly line according to claim 4, characterized in that: The middle part of the guide rail (1002) is connected to the main support rod (1006) via a bearing. The two ends of the main support rod (1006) are connected to the secondary support rod (1007) via a rotating shaft. The other end of the secondary support rod (1007) is connected to the lower end of the clamping arm (1004) via a bearing.

6. A battery pack disassembly line according to claim 1, characterized in that: The disassembly platform (4) is a lifting disassembly platform. The disassembly platform (4) is distributed on both sides of the conveyor line (3). An integrated tool hanger for lifting the battery pack is provided above the disassembly platform (4).

7. A battery pack disassembly line according to claim 3, characterized in that: The lifting structure of the lifting rope (503) is a pneumatic hoist.

8. A battery pack disassembly line according to claim 1, characterized in that: The assembly station (9) is used for manually inspecting and assembling the battery cells after they have been disassembled.

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