CN117088058A - Retired power battery disassembling production line and disassembling process - Google Patents

Abstract

The invention belongs to the technical field of battery recycling equipment, and relates to a retired power battery disassembling production line and a disassembling process. The production line comprises: the tray is provided with a retired power battery pack; the movement trolley comprises a base plate, a support rod and a rotating wheel; the rotating wheels are rotatably arranged at the bottoms of the supporting rods, and the top ends of the supporting rods are fixedly connected to the lower end face of the base plate; the workstation comprises: the device comprises a base, a supporting plate and a jacking device, wherein the supporting plate is arranged above the base through at least one jacking device; the rotating plate is rotatably arranged on the upper end surface of the supporting plate; after the rotating plate rotates for a preset angle, the rotating plate is fixed relative to the supporting plate through the positioning assembly; the moving trolley is used for conveying a tray in which the retired power battery pack is placed, and the jacking device pushes the moving trolley to move upwards, so that the moving trolley is separated from the supporting surface. The invention does not need to carry or hoist the retired power battery pack; and the height and angle can be adjusted. The invention also provides a disassembly process.

Description

Retired power battery disassembling production line and disassembling process

Technical Field

The invention belongs to the technical field of battery recycling equipment, and relates to a retired power battery disassembling production line and a disassembling process.

Background

The retired power battery generally refers to a battery which is retired from an electric automobile, and materials such as an anode, a cathode, electrolyte, a diaphragm, a shell, a wire harness and the like of the retired power battery can be reused after being processed.

In the disassembly process of the battery pack, an assembly line mode is generally adopted to match with an AGV intelligent trolley, and an upper cover, a wire harness, a module end cover and the like are disassembled in sequence along a process route.

The battery packs of different models, because of the problem of design, when disassembling, there may be part that the robot can not disassemble, need to use the manual work to disassemble. Or when the screw sliding wire, the copper plate or the aluminum row is deformed and the like in the automatic disassembly process, the manual disassembly is needed.

The existing workstation has the following problems:

firstly, all fixing points of a battery pack are uniformly distributed on the peripheral wall of the battery pack, and when the battery pack is disassembled, an operator needs to walk around a workstation for one circle to finish the disassembly work, so that the disassembly delay time is shortened;

secondly, the height of an operator and the thickness of a battery pack are not fixed, but the height of the existing workbench cannot be adjusted, so that inconvenience is brought to disassembly work;

thirdly, the transport vechicle and the operation platform of power battery package in the production line are divided, and after the transport vechicle carried the station with power battery package, still need adopt hoist and mount or manual handling's mode to carry the operation platform with the battery package, disassemble or assemble work, influence production efficiency on the one hand, on the other hand operating personnel's intensity of labour is great.

Disclosure of Invention

The invention aims to solve the technical problems that: to the technical problem who proposes in the background art, provide a retired power battery disassembles production line, the workstation of this production line can height and angle, and need not transport or handling retired power battery package. The invention also provides a retired power battery disassembling process.

The technical scheme provided by the invention is as follows:

a retired power battery disassembly line comprising:

the tray is provided with a retired power battery pack;

the moving trolley comprises a base plate, a supporting rod and a rotating wheel; the rotating wheels are rotatably arranged at the bottoms of the supporting rods, and the top ends of the supporting rods are fixedly connected to the lower end face of the base plate;

a workstation, the workstation comprising:

the device comprises a base, a supporting plate and a jacking device, wherein the supporting plate is arranged above the base through at least one jacking device;

the rotating plate is rotatably arranged on the upper end surface of the supporting plate;

the positioning assembly is used for fixing the rotating plate relative to the supporting plate after the rotating plate rotates for a preset angle;

the motion trolley is used for conveying a tray in which the retired power battery pack is placed, the motion trolley moves to the position above the rotating plate, and the jacking device pushes the motion trolley to move upwards, so that the motion trolley is separated from the supporting surface.

Optionally, the method further comprises:

the limiting pieces are detachably arranged on the upper end face of the tray.

Optionally, the positioning assembly includes:

positioning holes;

the lower end of the hollow pipe column is closed, and the opening at the upper end of the pipe column extends inwards to form a limiting ring;

the positioning piece and the elastic piece are arranged on the pipe column, the elastic piece provides pretightening force for the positioning piece to be inserted into the positioning hole, and the limiting ring is used for limiting the positioning piece to slide out of the pipe column;

the tubular column and the positioning hole are respectively arranged on the rotating plate and the supporting plate.

Optionally, the positioning hole is provided in a spherical crown shape, and the positioning piece is in a spherical shape or a spherical crown shape.

Optionally, the method further comprises:

and the at least three supporting components are arranged at intervals and used for supporting the rotating plate.

Optionally, the support assembly includes:

the mounting groove is arranged on the supporting plate or the rotating plate;

the rotating shaft and the supporting bearing are fixed on the inner side wall of the mounting groove at two ends of the rotating shaft, the inner ring of the supporting bearing is fixed on the outer side wall of the rotating shaft, and the outer ring of the supporting bearing is abutted with the lower end face of the rotating plate.

Optionally, the jacking device comprises a plurality of first linear driving devices, the plurality of first linear driving devices are fixed on the base, and the output ends of the plurality of first linear driving devices are fixed on the bottom surface of the supporting plate.

The retired power battery disassembling process adopts any one of the retired power battery disassembling production lines, and comprises the following steps:

step one, model identification, namely placing the retired power battery pack into a tray, determining the model of the retired power battery pack and binding the model with a two-dimensional code on the tray;

step two, manual pretreatment, namely, according to the information on the two-dimensional code, calling the corresponding process flow from a process library and conveying the process flow to a display screen of a workstation, and manually executing a pretreatment process on the display screen;

and thirdly, disassembling the robot, namely automatically disassembling the retired power battery pack subjected to manual pretreatment through the robot.

Optionally, the method further comprises:

and step four, manually assisting in disassembly, wherein after the robot fails to disassemble the retired power battery pack in the step three, the retired power battery pack and the tray are transported to a workstation for manual assisting in disassembly.

Optionally, the method further comprises:

and (5) a buffer storage, namely inputting the retired power battery pack and the tray which are subjected to pretreatment in the second step into a corresponding goods shelf in the buffer storage for storage.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the tray provided with the retired power battery is placed on the base plate of the moving trolley, the power trolley is moved to the upper part of the rotating plate, and an operator can disassemble the power trolley after jacking the power trolley by the jacking device, so that the retired power battery pack does not need to be carried or lifted; the height of the retired power battery can be further adjusted through the jacking device, so that the requirement of operators on the height of the working station can be met; the positioning assembly can be used for fixing the rotating plate and the supporting plate relatively after the rotating plate rotates by a preset angle, and an operator can disassemble screws at different positions without moving the positioning assembly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a front view of a workstation of the present invention;

FIG. 3 is a schematic diagram of the structure of the moving trolley of the present invention;

FIG. 4 is a schematic view of the structure of the support plate of the present invention;

FIG. 5 is a schematic view of a support assembly according to the present invention;

FIG. 6 is a front view of a positioning member of the present invention;

FIG. 7 is a cross-sectional view of a positioning member according to the present invention;

FIG. 8 is a bottom view of the rotating plate of the present invention;

FIG. 9 is a process route diagram of the present invention;

fig. 10 is a cell dismembering apparatus of the present invention;

FIG. 11 is a schematic view of a console according to the present invention;

FIG. 12 is a schematic perspective view of a second linear driving device and a second clamping plate according to the present invention;

FIG. 13 is a top view of a second linear drive and a second clamping plate of the present invention;

FIG. 14 is a schematic perspective view of a cutter according to the present invention;

fig. 15 is a top view of a cutting blade of the present invention.

In the figure: 1. a workstation; 11. a base; 12. a support plate; 13. a jacking device; 14. a rotating plate; 2. a positioning assembly; 21. positioning holes; 22. a tubular column; 23. a positioning piece; 24. an elastic member; 221. a limiting ring; 3. a support assembly; 31. a mounting groove; 32. a rotating shaft; 33. a support bearing; 4. a movement trolley; 41. a substrate; 42. a support rod; 43. a rotating wheel; 5. a tray; 51. a limiting piece; 6. an operation table; 61. a second clamping plate; 62. a second linear driving device; 63. a visual positioning device; 64. a linear guide rail; 65. a first screw rod; 66. a first rotary driving device; 67. a riser; 611. a mounting plate; 612. a mounting shaft; 613. a guide rod; 7. a slide plate; 71. a first clamping plate; 72. a linear slide; 73. a first nut seat; 8. a mounting frame; 81. a cutting knife; 82. a second screw rod; 83. a second rotary driving device; 84. a second nut seat; 85. a tool apron; 86. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

For clarity of description and understanding of this patent, other tool structures and equipment portion structures that can be used in addition to the tools designed in this patent are also shown in the drawings.

Example 1

Referring to fig. 1-8, a retired power battery disassembly line includes:

a tray 5, the retired power battery pack being placed on the tray 5;

a moving cart 4, the moving cart 4 including a base 41, a support bar 42, and a rotating wheel 43; the rotating wheels 43 are rotatably installed at the bottoms of the supporting rods 42, and the top ends of the supporting rods 42 are fixedly connected to the lower end surface of the base plate 41;

workstation 1, workstation 1 includes:

the device comprises a base 11, a supporting plate 12 and a jacking device 13, wherein the supporting plate 12 is arranged above the base 11 through at least one jacking device 13;

a rotating plate 14, the rotating plate 14 being rotatably mounted on an upper end surface of the support plate 12;

the positioning assembly 2, after the rotating plate 14 rotates a predetermined angle, the rotating plate 14 is fixed relative to the supporting plate 12 through the positioning assembly 2;

the moving trolley 4 is used for conveying the tray 5 with the retired power battery pack, the moving trolley 4 moves to the position above the rotating plate 14, and the jacking device 13 pushes the moving trolley 4 to move upwards, so that the moving trolley 4 is separated from the supporting surface.

The number of support bars 42 is generally selected to be three or more. Preferably four. The shape of the substrate 41 is not limited. Considering that rotation is required in the actual use process, a round shape can be adopted, or the corners of the square shape are arranged into an arc shape. The rotating wheel 43 can be driven by a power device, or can be a universal wheel which can be locked at a preset position according to the requirement.

In fig. 1 and 2, a manner of using the tray 5 loaded with the retired power battery pack on the rotating plate 14 is shown,

further, a connection groove is provided in the lower end surface of the base, and the connection groove and the rotation plate 14 are provided in a shape capable of preventing relative rotation therebetween.

Further, the base plate 41 is made of transparent material, so that the relative position of the connecting groove and the rotating plate 14 can be conveniently observed.

The tray 5 with the retired power battery pack placed is placed on the upper end face of the base plate 41, then the moving trolley 4 is moved to the position right above the rotating plate 14 of the workstation 1, the jacking device 13 is adjusted, the base plate 41 is lifted upwards by the rotating plate 14, the rotating wheels 43 below the supporting rods 42 are separated from the supporting surface, the height of the rotating plate 14 is continuously adjusted, and an operator can conveniently disassemble the retired power battery pack. According to the requirement of an operator, the base plate 41 can be pulled, the base plate 41 drives the rotating plate 14 to rotate together, and the positioning assembly 2 fixes the rotating plate 14 again after rotating by a preset angle.

The support rod 42 needs to rotate outside the base.

As a further scheme, a plurality of limiting pieces 51 are further arranged, and the limiting pieces 51 are detachably arranged on the upper end face of the tray 5. One side of the limiting member 51 is abutted against the outer side wall of the battery pack, and the bottom surface of the limiting member 51 is fixed relative to the tray 5, so that the battery pack is limited.

Further, the stopper 51 is fixed to the upper end surface of the rotating plate 14 by magnetic attraction or adhesion.

Obviously, the shell of the battery pack can be adsorbed on the upper end face of the tray 5 in a magnetic attraction mode.

Further, the limiting member 51 may be bar-shaped, L-shaped, arc-shaped, etc.

As a further alternative, referring to fig. 1 and 2, the jacking device 13 includes a plurality of first linear driving devices, the plurality of first linear driving devices are fixed on the base 11, and the output ends of the plurality of first linear driving devices are fixed on the bottom surface of the supporting plate 12.

The first linear driving device can adopt any one of a hydraulic cylinder, an air cylinder and an electric cylinder, but in order to ensure that a plurality of first linear driving devices can synchronously move, a corresponding servo system is required to be provided.

The jacking device 13 can also be realized by other structures, such as an X-shaped lifting frame, a screw rod sliding block mechanism and the like.

As a further solution, referring to fig. 1 and 2, a plurality of footcups are further provided, and the plurality of footcups are uniformly distributed on the bottom surface of the base. The number of the foot cups is preferably 4, and the levelness of the base can be adjusted by adjusting the threaded rods and the nuts of the foot cups.

The shapes of the base, the support plate 12, and the rotation plate 14 are not limited.

In this embodiment, the rotary plate 14 is rotatably connected to the support plate 12 by using a planar bearing, and both ends of the planar bearing are respectively fixed to the rotary plate 14 and the support plate 12, and in order to define the relative positions of the rotary plate 14 and the support plate 12, mounting holes may be respectively provided on the lower end surface of the rotary plate 14 and the upper end surface of the support plate 12, and both ends of the planar bearing are respectively engaged into the mounting holes on the upper and lower sides.

Obviously, other means of achieving a rotational connection of the rotary plate 14 to the support plate 12 are also possible. For example by a spindle 32 in combination with bearings and sleeves. The pivot 32 is installed in the center of backup pad 12 up end, and pivot 32 is the step axle, and the bearing is installed on pivot 32 minor axis, and the lower terminal surface of bearing inner race and the step face butt of pivot 32. The sleeve is installed in the center of the lower terminal surface of rotor plate 14, and the sleeve inner chamber is the step hole, and the lateral wall of bearing outer lane is tight with telescopic macropore subsides, and the up end of bearing outer lane is tight with the step face in sleeve inner chamber.

Example 2

The support member 3 of embodiment 1 will be further described.

Referring to fig. 4, at least three support assemblies 3 are further provided, a plurality of support assemblies 3 are provided at intervals, and the support assemblies 3 are used for supporting the rotating plate 14. The number of support assemblies 3 is preferably four. But obviously a greater number of support members 3 may be used.

The support assembly 3 is arranged in the sense that the rotating plate 14 can be supported, and the levelness of the rotating plate 14 is ensured. And the stress of the bearing for realizing the rotational connection between the rotation plate 14 and the support plate 12 in the vertical direction can be shared.

Further, the support assembly 3 includes:

a mounting groove 31, the mounting groove 31 being provided on the support plate 12 or the rotation plate 14;

the rotating shaft 32 and the supporting bearing 33, the two ends of the rotating shaft 32 are fixed on the inner side wall of the mounting groove 31, the inner ring of the supporting bearing 33 is fixed on the outer side wall of the rotating shaft 32, and the outer ring of the supporting bearing 33 is abutted with the lower end face of the rotating plate 14.

Fig. 4 and 5 show a manufacturing scheme of the mounting groove 31, wherein a steel plate is bent into a U shape, and a concave part in the middle of the U-shaped steel plate is the mounting groove 31. The support plate 12 is grooved, and a U-shaped steel plate is inserted into the groove. In this case, both end portions of the U-shaped steel plate may be folded horizontally outward, and the folded portion may be fixed to the support plate 12 by bolts.

Welding may also be used to secure the U-shaped steel plate to the support plate 12.

If the support assembly 3 is provided on the rotary plate 14, the thickness of the rotary plate 14 needs to be increased or the end of the U-shaped steel plate is fixed to the rotary plate 14, since the upper end surface of the rotary plate 14 needs to be flat (the battery pack needs to be placed), the outer circumferential wall of the support bearing 33 can be tightly attached to the upper end surface of the support plate 12.

It should be noted that the rotation shaft 32 and the support bearing 33 may be replaced with balls. The mounting groove 31 is formed in a circular arc shape to be engaged with the ball. However, one end of the ball exposed to the mounting groove 31 is in point contact with the support plate 12 or the rotation plate 14. The contact point needs to withstand a large pressure.

Example 3

The positioning assembly 2 of embodiment 1 is further described.

Referring to fig. 4, 6, 7, 8, the positioning assembly 2 comprises:

a positioning hole 21;

a hollow pipe column 22, the lower end of the pipe column 22 is closed, and the opening at the upper end of the pipe column 22 extends inwards to form a limiting ring 221;

the positioning piece 23 and the elastic piece 24, the positioning piece 23 and the elastic piece 24 are arranged on the pipe column 22, the elastic piece 24 provides pretightening force for the positioning piece 23 to be inserted into the positioning hole 21, and the limiting ring 221 is used for limiting the positioning piece 23 to slide out of the pipe column 22;

a pipe string 22 and a positioning hole 21 are provided on the rotation plate 14 and the support plate 12, respectively. The pipe column 22 may be fixed to the rotating plate 14 or the supporting plate 12 by welding, or may be provided with a corresponding threaded hole (the threaded hole does not penetrate through the upper end surface of the rotating plate 14 when the pipe column is arranged on the rotating plate 14) in the rotating plate 14 or the supporting plate 12, and an external thread is provided on the outer wall of the pipe column 22, so that the pipe column 22 is installed in the threaded hole by threads.

The elastic member 24 may employ a compression spring, a belleville spring, or the like.

When the number of the positioning holes 21 is plural, the plural positioning holes 21 are arranged along the same circumferential direction, and the number of the pipe columns 22 is one or plural. The center lines of the plurality of positioning holes 21 coincide with the axis of rotation of the rotating plate 14, so that it is ensured that the positioning piece 23 at one end of the pipe string 22 can be inserted into the corresponding positioning hole 21. When the number of the pipe columns 22 is plural, the pipe columns 22 are arranged along the same circumferential direction, and the center lines of the pipe columns 22 are overlapped with the center lines of the positioning holes 21. The plurality of positioning holes 21 are uniformly distributed, and the central angle of two adjacent positioning holes 21 is the expected rotation angle of the rotating plate 14.

The number of the positioning holes 21 may also be set to one. At this time, the number of the columns 22 is plural, the plural columns 22 are arranged in the same circumferential direction, and the center lines of the plural columns 22 overlap with the axis of rotation of the rotating plate 14.

The pipe column 22 may be disposed on the support plate 12, and the positioning hole 21 may be disposed on the rotating plate 14 correspondingly. The pipe column 22 may be provided on the rotary plate 14, and the positioning hole 21 may be provided on the rotary plate 14.

The pipe string 22 and the positioning hole 21 may be provided at the lower end surface of the rotation plate 14 and the upper end surface of the support plate 12, respectively. The pipe string 22 and the positioning hole 21 may be provided on the outer sidewall of the rotation plate 14 and the support plate 12, respectively. The pipe string 22 and the positioning hole 21 are preferably provided at the lower end surface of the rotation plate 14 and the upper end surface of the support plate 12.

Further, in order to facilitate the separation of the pipe string 22 from the positioning hole 21, the positioning hole 21 may be provided in a spherical crown shape, and the positioning member 23 may be provided in a spherical or spherical crown shape, accordingly. The positioning hole 21 and the positioning piece 23 may also be provided in a truncated cone shape. With this design, when the angle of the rotating plate 14 needs to be adjusted, the rotating plate 14 is pulled, and the positioning piece 23 is guided to be separated from the positioning hole 21 by the arc-shaped or tapered outer side wall.

Example 4

Retired power battery disassembles production line still includes: battery cell dismembering equipment, battery cell dismembering equipment includes: an operation table 6;

a slide plate 7, the slide plate 7 is arranged on the operation table 6 and can reciprocate along the length direction of the operation table 6;

the first clamping plate 71, the first clamping plate 71 is fixedly arranged on the upper end surface of the sliding plate 7, and the first clamping plate 71 is arranged along the length direction of the operating platform 6;

the second clamping plate 61 and the second linear driving device 62, the second linear driving device 62 is fixedly arranged at one side of the operation table 6, the second clamping plate 61 is fixedly arranged at the output end of the second linear driving device 62, and the second linear driving device 62 pushes the second clamping plate 61 to reciprocate along the width direction of the operation table 6;

the visual positioning device 63, the visual positioning device 63 is fixed above the slide plate 7 through a supporting structure;

the cutter 81, the cutter 81 is located between the slide plate 7 and the visual positioning device 63, and the cutter 81 is reciprocally movable in the width direction of the operation table 6.

As a further scheme, the sliding plate 7 reciprocates by adopting the scheme that two linear guide rails 64 are symmetrically arranged on the upper end surface of the operating platform 6, the linear guide rails 64 are arranged along the length direction of the operating platform 6, a plurality of linear slide blocks 72 are fixed on the lower end surface of the sliding plate 7, and the plurality of linear slide blocks 72 are respectively connected to the two linear guide rails 64 in a sliding manner;

the first lead screw 65, first lead screw 65 sets up between a pair of linear guide 64, first lead screw 65 sets up along the length direction of operation panel 6, first lead screw 65 is fixed at operation panel 6 up end through a plurality of bearings and bearing frame, the inner circle of bearing is fixed at first lead screw 65 outer wall, the outer lane of bearing is fixed in the bearing frame, first rotary driving device 66 is fixed to the one end of first lead screw 65, first rotary driving device 66 provides power for first lead screw 65 rotation, first lead screw 65 outer wall has first nut seat 73 through threaded connection, first nut seat 73 is fixed in slide 7 bottom.

As a further alternative, the second linear driving device 62 is fixed to the side of the console 6 through a vertical plate 67, a pair of guide rods 613 are provided on the second clamping plate 61, a pair of linear bearings are provided on the vertical plate 67, and the guide rods 613 are slidably connected in the linear bearings. The second clamping plate 61 is guided to move by the guide rod 613 in cooperation with the linear bearing, and the second clamping plate 61 is ensured to move in the width direction of the console 6.

As a further alternative, a pair of mounting plates 611 are provided symmetrically up and down on one side of the second clamping plate 61 near the first clamping plate 71, a plurality of mounting shafts 612 are provided between the pair of mounting plates 611, and a plurality of bearings are provided on the outer wall of the mounting shafts 612. Through this design, can guarantee that the electric core is compressed tightly when slide 7 removes, and do not influence slide 7 and drive the electric core and remove.

Further, the mounting shaft 612 has a larger density on the side close to the cutting knife 81, which can increase the contact area with the side surface of the battery cell, improve the stability of clamping and avoid the deflection of the cut battery cell.

As a further scheme, still include mounting frame 8, mounting frame 8 fixes in one side of operation panel 6, install rotatable second lead screw 82 through bearing and bearing frame in the mounting frame 8, second lead screw 82 sets up along the width direction of operation panel 6, the one end that mounting frame 8 kept away from operation panel 6 is fixed to be provided with second rotary drive 83, the output and the second lead screw 82 of second rotary drive 83 pass through shaft coupling fixed connection, second lead screw 82 outer wall connection has second nut seat 84, mounting frame 8 outer wall sliding connection has blade holder 85, one side that blade holder 85 is close to mounting frame 8 is equipped with L shape connecting plate 86, connecting plate 86 one end is fixed with blade holder 85, the other end is fixed with second nut seat 84, thereby can restrict second nut seat 84 rotation through the cooperation of blade holder 85 and mounting frame 8, realize that blade holder 85 reciprocates along second lead screw 82 length direction, the cutter 81 is fixed on blade holder 85.

Further, the cutting knife 81 is provided with a cutting edge at one end close to the battery cells, and has an inclination angle along the vertical direction, so that the cutting knife is convenient to be inserted into a gap between two battery cells.

Specifically, the first rotary driving device 66 and the second rotary driving device 83 may adopt a stepping motor or a servo motor, the visual positioning device 63 is linked with the first rotary driving device 66, the visual positioning device 63 photographs through a camera and determines the thickness of the battery cell after post-treatment, when the slide plate 7 drives the battery cell to move right below the camera (the cutting knife 81 and the camera are arranged opposite to each other along the width direction of the operation table 6), the first rotary driving device 66 receives a command, stops rotating after rotating for a predetermined number of turns, at this time, the cutting knife 81 is opposite to the joint of the two battery cells (the plurality of battery cells are connected in a gluing manner, and edges of the joint are provided with chamfers), the two battery cells are cut apart after the cutting knife 81 is started, and the cut battery cell is conveyed to the next procedure by a mechanical arm.

The second linear driving device 62 may be any one of an electric telescopic rod, an air cylinder, and a hydraulic cylinder.

Example 5

On the basis of the above-described embodiments, the disassembly process of the present invention is described in detail.

Referring to fig. 9, a process for disassembling a retired power battery, which adopts the retired power battery disassembling production line according to any one of the above steps, comprises the following steps:

step one, model identification, namely placing a retired power battery pack into a tray 5, determining the model of the retired power battery pack and binding the model with a two-dimensional code on the tray 5;

step two, manual pretreatment, namely, according to the information on the two-dimensional code, calling the corresponding process flow from a process library and conveying the process flow to a display screen of the workstation 1, and manually executing a pretreatment process on the display screen;

and thirdly, disassembling the robot, namely automatically disassembling the retired power battery pack subjected to manual pretreatment through the robot.

As a further scheme, the method further comprises:

step four, manual auxiliary disassembly, wherein after the robot fails to disassemble the retired power battery pack in the step three, the retired power battery pack and the tray 5 are transported to the workstation 1 for manual auxiliary disassembly.

The process library stores process routes formulated for various battery packs, and the process routes are directly called from the process library after the type of the battery pack is rapidly determined through the two-dimensional code of the battery pack during production. The process route is the content, steps and methods of the retired power battery packs of different types needing manual pretreatment. Manual pretreatment includes, but is not limited to, dust removal, removal of the upper cover, draining of the liquid, and pre-installation of the upper cover after discharge.

The technology is innovative in that a scheme of man-machine linkage mixed disassembly is adopted, and during pretreatment, the content, steps and methods which need manual pretreatment are determined through the technological process in a process database. And after the pretreatment is finished, the material is disassembled by a robot. When the robot is disassembled and fails, the manual auxiliary disassembly is performed, and in the manual auxiliary disassembly process, the steps of the manual auxiliary disassembly are displayed in the display screen through the two-dimensional codes on the identification tray 5.

As a further scheme, a buffer library is also provided, and the retired power battery pack and the tray 5 which are pretreated in the second step are input into the corresponding goods shelf in the buffer library for storage.

The complete process route of the present invention is further described in detail in connection with fig. 9.

Step a, battery package incoming material: outsourcing retired power battery packs;

step b, unpacking, scanning, and disc changing (corresponding to model identification): the method comprises the steps that packages of outsourced battery packs are different, after unloading, auxiliary tools such as KBK and forklift are replaced by a special tray 5 for the retired power battery packs, the special tray 5 for the retired power battery packs is transported to a designated disc replacement position through a moving trolley 4, the retired power battery packs are placed on the tray 5, meanwhile, code scanning is conducted to determine retired power battery pack information, model numbers of the retired power battery packs are input into a control system, and two-dimensional code information on the tray 5 is bound with retired power battery pack information through the control system;

step c, manual pretreatment: the transfer trolley conveys the tray 5 carrying the retired power battery pack to the workstation 1, the transfer trolley is separated from the supporting surface through the jacking device 13, in the process, the control system calls corresponding process information from the process library to be output to a display screen of the workstation 1 through the two-dimensional code of the identification tray 5, and prompts an operator to perform relevant actions, wherein the pretreatment comprises but is not limited to dust removal, upper cover removal, liquid discharge and upper cover preassembling after discharging;

step d, warehouse entry: after the retired power battery pack is preprocessed, the jacking device 13 of the workstation 1 descends, and then the pallet 5 loaded with the retired power battery pack is transported to a buffer warehouse for temporary storage by the motion trolley 4;

step e, robot disassembly: according to the production instruction, a tray 5 loaded with the retired power battery pack in the buffer storage is conveyed to a roller line or a backpack AGV through a moving trolley 4, and a production order is determined by scanning two-dimension code information on the tray 5 special for the battery pack, so that the retired power battery pack is prevented from being taken by mistake. Adopting one or more multi-axis robots to automatically disassemble, including but not limited to automatically disassembling screws of an upper cover, taking an upper box, disassembling screws of a copper bar, disassembling the copper bar, disassembling a total positive power line and a total negative power line, disassembling BMS and an electric switch, disassembling a module line, disassembling an upper cover of the module and an internal wire harness, and taking the module off line; detecting a robot dismantling result through visual equipment, and if dismantling is successful, executing the step g; if the disassembly fails, executing the step f;

step f, manual auxiliary disassembly, namely conveying retired power battery packs failing to disassemble to a workstation 1 through a moving trolley 4, separating a transferring trolley from a supporting surface through a jacking device 13, and displaying the step of manual auxiliary disassembly in a display screen through a two-dimensional code on an identification tray 5 in the process.

Step g, disassembling the module: the CNC and cutting robot are used for realizing module assembly line feeding, code scanning, cover removing, flow guiding row removing and end side plate cutting;

step h, electric core dismembering: the separation of the cells was achieved by the cell dismembering apparatus of example 4;

step i, sorting the battery cells: the separation of the electric cores is realized through OCV separation equipment, and the classification of the electric cores for echelon utilization or direct crushing is determined;

and j, sorting, weighing and warehousing the battery cells.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Retired power battery disassembles production line, characterized by, include:

a tray (5), the retired power battery pack is placed on the tray (5);

the motion trolley (4), the motion trolley (4) comprises a base plate (41), a supporting rod (42) and a rotating wheel (43); the rotating wheels (43) are rotatably arranged at the bottoms of the supporting rods (42), and the top ends of the supporting rods (42) are fixedly connected to the lower end face of the base plate (41);

a workstation (1), the workstation (1) comprising:

the device comprises a base (11), a supporting plate (12) and a jacking device (13), wherein the supporting plate (12) is arranged above the base (11) through at least one jacking device (13);

a rotating plate (14), wherein the rotating plate (14) is rotatably mounted on the upper end surface of the supporting plate (12);

the positioning assembly (2) is used for fixing the rotating plate (14) relative to the supporting plate (12) through the positioning assembly (2) after the rotating plate (14) rotates for a preset angle;

the moving trolley (4) is used for conveying a tray (5) in which the retired power battery pack is placed, the moving trolley (4) moves to the position above the rotating plate (14), and the jacking device (13) pushes the moving trolley (4) to move upwards, so that the moving trolley (4) is separated from the supporting surface.

2. The retired power cell disassembly line of claim 1 further comprising:

the limiting pieces (51) are detachably arranged on the upper end face of the tray (5).

3. The retired power cell disassembly line according to claim 1, characterized in that the positioning assembly (2) comprises:

a positioning hole (21);

the hollow pipe column (22), the lower end of the pipe column (22) is closed, and the opening at the upper end of the pipe column (22) extends inwards to form a limiting ring (221);

the positioning piece (23) and the elastic piece (24), the positioning piece (23) and the elastic piece (24) are arranged on the pipe column (22), the elastic piece (24) provides pretightening force for the positioning piece (23) to be inserted into the positioning hole (21), and the limiting ring (221) is used for limiting the positioning piece (23) to slide out of the pipe column (22);

the pipe column (22) and the positioning hole (21) are respectively arranged on the rotating plate (14) and the supporting plate (12).

4. A retired power battery dismantling line according to claim 3, characterized in that the positioning hole (21) is provided in the shape of a spherical crown and the positioning element (23) is in the shape of a sphere or spherical crown.

5. The retired power cell disassembly line of claim 1 further comprising:

at least three support components (3) which are arranged at intervals, wherein the support components (3) are used for supporting the rotating plate (14).

6. The retired power cell disassembly line according to claim 5, characterized in that the support assembly (3) comprises:

a mounting groove (31), wherein the mounting groove (31) is arranged on the supporting plate (12) or the rotating plate (14);

the rotating shaft (32) and the supporting bearing (33), the two ends of the rotating shaft (32) are fixed on the inner side wall of the mounting groove (31), the inner ring of the supporting bearing (33) is fixed on the outer side wall of the rotating shaft (32), and the outer ring of the supporting bearing (33) is abutted with the lower end face of the rotating plate (14).

7. The retired power battery dismantling production line according to claim 1, characterized in that the jacking device (13) comprises a plurality of first linear driving devices, wherein the plurality of first linear driving devices are fixed on the base (11), and the output ends of the plurality of first linear driving devices are fixed on the bottom surface of the supporting plate (12).

8. A retired power battery disassembling process, which adopts the retired power battery disassembling production line as claimed in any one of claims 1-7, and is characterized by comprising the following steps:

step one, model identification, namely placing the retired power battery pack into a tray, determining the model of the retired power battery pack and binding the model with a two-dimensional code on the tray;

step two, manual pretreatment, namely, according to the information on the two-dimensional code, calling the corresponding process flow from a process library and conveying the process flow to a display screen of a workstation, and manually executing a pretreatment process on the display screen;

and thirdly, disassembling the robot, namely automatically disassembling the retired power battery pack subjected to manual pretreatment through the robot.

9. The retired power cell disassembly process of claim 8 further comprising:

and step four, manually assisting in disassembly, wherein after the robot fails to disassemble the retired power battery pack in the step three, the retired power battery pack and the tray are transported to a workstation for manual assisting in disassembly.

10. The retired power cell disassembly process of claim 8 further comprising:

and (5) a buffer storage, namely inputting the retired power battery pack and the tray which are subjected to pretreatment in the second step into a corresponding goods shelf in the buffer storage for storage.