CN116810367A

CN116810367A - Assembling device, assembling equipment and assembling method

Info

Publication number: CN116810367A
Application number: CN202210283374.3A
Authority: CN
Inventors: 张成美; 韦文超; 吴鹰
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2023-09-29

Abstract

The application discloses an assembling device, an assembling device and an assembling method. The assembly device comprises: the device comprises a first limiting piece, a second limiting piece and a third limiting piece, wherein a first surface and a second surface are arranged on one side of the first limiting piece, the second limiting piece is opposite to the first surface of the first limiting piece, and the third limiting piece is opposite to the second surface of the first limiting piece; the first limiting piece moves towards a direction approaching to or away from the second limiting piece and the third limiting piece under the action of driving force. Through the position setting of first locating part, second locating part, third locating part and the activity setting of first locating part, can promote assembly device's equipment precision, and then can reduce the assembly error that exists after the battery module equipment.

Description

Assembling device, assembling equipment and assembling method

Technical Field

The present application relates to the field of batteries, and in particular, to an assembling device, an assembling apparatus, and an assembling method.

Background

Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become important component parts of the sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.

The battery module is arranged in the battery, and when the battery module is assembled, the assembly accuracy of the existing assembly device is low, so that the assembled battery module has assembly errors.

Disclosure of Invention

In view of the above, the present application provides an assembling device, an assembling apparatus, and an assembling method, which can alleviate the problem of low assembling accuracy of the assembling device to the battery.

In a first aspect, the present application provides an assembly device comprising: the device comprises a first limiting piece, a second limiting piece and a third limiting piece, wherein a first surface and a second surface are arranged on one side of the first limiting piece, the second limiting piece is opposite to the first surface of the first limiting piece, and the third limiting piece is opposite to the second surface of the first limiting piece; the first limiting piece moves towards a direction close to or far away from the second limiting piece and the third limiting piece under the action of driving force.

According to the technical scheme, the assembly accuracy of the assembly device can be improved through the position arrangement of the first limiting piece, the second limiting piece and the third limiting piece and the movable arrangement of the first limiting piece, and then assembly errors existing after the battery module is assembled can be reduced.

In some embodiments, the second stop includes: the limiting part is opposite to the first surface, one end of the bearing part is connected with the limiting part, the other end of the bearing part extends towards the direction of the first limiting part, and the limiting part, the bearing part and the first limiting part are matched to define a limiting concave part; the third limiting piece is located on the opening side of the limiting concave portion. By the structural arrangement of the second limiting member, the end plate can be carried without the aid of an external carrying structure.

In some embodiments, the assembly device may further include: the limiting base is connected with one side, deviating from the limiting concave part, of the bearing part, the first driving assembly is respectively connected with the limiting base and the first limiting part, and the first driving assembly drives the first limiting part to move towards a direction close to or far away from the limiting part. The first limiting piece and the second limiting piece are connected together through the limiting base and the first driving assembly, so that the integration level of the assembly device can be improved; the first driving assembly drives the first limiting piece to move in a direction close to or far away from the limiting part, so that the moving speed of the first limiting piece can be improved.

In some embodiments, the assembly device may further include: the fixing piece is arranged on one side, deviating from the first limiting piece, of the third limiting piece, the fixing piece is close to the surface of the third limiting piece, part of the fixing piece is connected with the third limiting piece, and the part of the fixing piece is opposite to the limiting portion. The third limiting piece can be fixed and the structural strength is increased through the connection of the fixing piece and the third limiting piece, and part of the surface, close to the third limiting piece, of the fixing piece is opposite to the limiting part so that the second limiting piece can be abutted against the fixing piece, and therefore the position of the second limiting piece can be limited.

In some embodiments, the assembly device may further include: the second driving assembly is connected with the limiting base and drives the limiting base to move in a direction close to or far away from the fixing piece. The second driving assembly drives the first limiting piece and the third limiting piece to adjust the size between the first limiting piece and the third limiting piece and the size between the second limiting piece and the third limiting piece, so that the assembling device can be suitable for battery modules with different size requirements; meanwhile, the second driving assembly can drive the limiting base to move in a direction close to or far away from the fixing piece, so that the moving speed of the limiting base can be improved.

In some embodiments, the assembly device may further include: the fourth limiting piece and the fifth limiting piece are arranged on one side of the bearing part, part of the fourth limiting piece is positioned on one side, close to the opening, of the bearing part, the fifth limiting piece is arranged on the other side of the bearing part, and part of the fifth limiting piece is positioned on one side, close to the opening, of the bearing part. Through the setting of fourth locating part and fifth locating part for the assembly device can carry out the restriction of position to the both sides of battery, thereby makes the equipment effect of battery better.

In some embodiments, the assembly device may further include: the third driving assembly is connected with the fourth limiting piece and drives the fourth limiting piece to move in a direction close to or far away from the fifth limiting piece. The third driving assembly drives the fourth limiting piece to move towards the direction close to or far away from the fifth limiting piece, so that the distance between the fourth limiting piece and the fifth limiting piece can be adjusted according to the specific size between the two sides of the battery, and the third driving assembly can improve the moving speed of the fourth limiting piece.

In a second aspect, the present application provides an assembly apparatus comprising: the rotary table rotates under the action of a driving force, the connecting plate is connected to the third surface of the rotary table, and one side, away from the third surface, of the connecting plate is provided with at least one assembly device; when a plurality of assembling devices are arranged on the connecting plate, the assembling devices on the connecting plate are configured to perform the same assembling action. Firstly, each structural member forming the battery module can be assembled in sequence after the turntable rotates so as to realize the assembly of the battery module; secondly, the plurality of assembling devices on the connecting plate are configured to perform the same assembling action, so that the plurality of battery modules can be assembled at the same time, and the assembling efficiency can be improved; thirdly, because the equipment is rotary design to can reduce the area that equipment occupy.

In some embodiments, the assembly device may further include: the base body is arranged on the side of the fourth surface of the turntable, a rotating shaft extends towards the center of the fourth surface of the turntable, the rotating shaft is connected with the turntable, and the rotating shaft drives the turntable to rotate; wherein the fourth surface is opposite to the third surface. The turntable can be supported through the seat body, and simultaneously, the rotating force can be provided for the turntable.

In some embodiments, the assembly device may further include: the pressing structure is connected with the base body, extends towards the third surface side of the rotary table, is bent to form a pressing assembly opposite to the assembling device, and part of the pressing assembly moves towards a direction approaching or far away from the assembling device under the action of driving force. The battery module is assembled more compactly by the pressing down of the pressing structure.

In some embodiments, the assembly device may further include: the detection structure is connected with the base body, extends to the third surface side of the rotary table, and is provided with a first detection piece, and the first detection piece is opposite to the assembly area of the assembly device. The detection structure can detect whether the assembly area is assembled with a specified structural member to be assembled, so that reworking caused by the lack of the assembled structural member is reduced.

In some embodiments, the assembly device may further include: the device comprises a first connecting piece and a plurality of material taking devices, wherein the material taking devices are respectively connected with the first connecting piece, and the material taking devices of different types are configured to provide different materials for the assembling device. Multiple extracting device can take different structure for assembly device to can promote the packaging efficiency of equipment.

In some embodiments, the reclaimer device comprises: the second connecting piece with get material board, the second connecting piece with first connecting piece is connected, the second connecting piece is kept away from one side of first connecting piece is sunken to have the connection concave part, get material board with two inner walls sliding connection that are opposite to each other of connection concave part, just get material board and keep away from the surface of second connecting piece is provided with the sucking disc. The structural member to be assembled can be taken by adsorption through the sucker, and the structural member to be assembled can be released after the structural member to be assembled is taken to an assembly area, so that the structure is convenient and quick.

In some embodiments, the reclaimer device further comprises: the material taking plate comprises a material taking plate, a material limiting plate and a second connecting piece, wherein the material taking plate is arranged on the material limiting plate, the material limiting plate is arranged between the material taking plate and the material limiting plate, and the material taking plate is arranged between the material taking plate and the material limiting plate. The elastic component can provide buffering power for getting the material board to make structural component on the sucking disc and equipment regional when not being fully relative, structural component on the sucking disc can have little displacement under the spacing effect of first locating part, second locating part and third locating part, thereby make structural component on the sucking disc can be relative with the equipment region.

In some embodiments, the reclaimer device further comprises: the suction cup comprises a suction cup, a first connecting piece, a second connecting piece, a first rotating piece, a second rotating piece, a first connecting piece, a second connecting piece, a first rotating piece and a second rotating piece, wherein one end of the first rotating piece and one end of the second rotating piece are respectively connected with the side face of the second connecting piece, the other end of the first rotating piece and the other end of the second rotating piece are switched between a bonding state and a separation state, and the bonding positions of the first rotating piece and the second rotating piece and the suction face of the suction cup are in the same plane. The attaching position of the first rotating member and the second rotating member is in the same plane with the attaching surface of the sucker, so that after the sucker adsorbs the structural member, the first rotating member and the second rotating member rotate to an attaching state and clamp the film on the sucker, such as release paper, of the structural member attached to one side surface of the sucker, and after the sucker releases the attached structural member, the first rotating member and the second rotating member keep the attaching state so as to take away the film when the material taking device moves in a direction away from the released structural member.

In some embodiments, the reclaimer device further comprises: the second detection piece is arranged in the connecting concave part, and the material taking plate is provided with a through hole opposite to the second detection piece. Whether the sucker is adsorbed with a structural part (such as release paper) can be obtained through the second detection part, so that reworking probability caused by that the release paper is not torn off can be reduced.

In some embodiments, the reclaimer device comprises: the first material taking claw, the second material taking claw and the third detection piece are opposite to each other, the first material taking claw and/or the second material taking claw move towards a direction close to or far away from each other under the action of a driving force, and the third detection piece is opposite to the position between the first material taking claw and the second material taking claw. The first material taking claw and the second material taking claw can take the structural member to be assembled in a clamping mode, and the third detection piece can detect whether the structural member to be assembled is clamped or not, so that the probability of the structural member lacking in a structure (such as a battery module) after the assembly is completed can be reduced.

In a third aspect, the present application provides an assembling method applied to the assembling apparatus of any one of the above, the assembling method comprising: placing first structure between second locating part and first locating part, order about first locating part removes so that first structure butt second locating part place the second structure on the first structure, and make the second structure butt the second surface of first locating part place the third structure in one side that the second structure deviates from first locating part, order about first locating part removes so that third structure butt third locating part. The battery module assembled by the assembly method can better control the distance between the second end face of the battery monomer and the surface, facing away from the second end face, of the protective cover to be the distance between the first end face of the battery monomer and the surface, facing towards the first end face, of the protective cover to be the distance between the surface, facing away from the first end face, of the control end plate and the second end face of the battery monomer to be the distance. This reduces the probability of assembly errors in the assembled battery module.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, throughout the drawings, like reference numerals refer to like parts. In the drawings:

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the application;

fig. 2 is a schematic view of an exploded structure of a battery according to some embodiments of the present application;

fig. 3 is a partial schematic structure of a battery module according to some embodiments of the present application;

fig. 4 is a partial schematic structure of a battery module according to still other embodiments of the present application;

fig. 5 is a schematic view of a partially exploded structure of a battery module according to some embodiments of the present application;

FIG. 6 is a schematic view of an assembly device according to some embodiments of the present application;

Fig. 7 is a schematic view illustrating a structure of an assembling device according to some embodiments of the present application when assembling a battery module;

FIG. 8 is a schematic view of an assembly device according to further embodiments of the present application;

fig. 9 is a schematic view illustrating a structure of an assembly device according to some embodiments of the present application when an end plate and a shield in a battery module are assembled;

fig. 10 is a schematic view showing the structure of an assembling device for assembling an end plate and a cover in a battery module according to still other embodiments of the present application;

FIG. 11 is a schematic view of an assembly device according to some embodiments of the present application when assembling end plates, a protective cover, and battery cells in a battery module;

FIG. 12 is a schematic view of an assembly apparatus according to some embodiments of the application;

fig. 13 is a schematic view illustrating a structure of an assembling apparatus for assembling a battery module according to some embodiments of the present application;

FIG. 14 is a schematic view of a first connector and reclaimer device of an assembly apparatus according to some embodiments of the present application;

FIG. 15 is a schematic view of a material extracting apparatus in an assembling apparatus according to some embodiments of the present application;

FIG. 16 is a schematic view of a reclaimer device in an assembly apparatus according to still other embodiments of the present application;

FIG. 17 is a schematic view of an assembly apparatus according to some embodiments of the present application, wherein the take-out device takes out a protective cover from a battery module;

FIG. 18 is a schematic view of an assembly apparatus according to still further embodiments of the present application, wherein the take-out device takes out a protective cover from a battery module;

FIG. 19 is a schematic view of a reclaimer assembly in an assembly apparatus according to other embodiments of the present application;

fig. 20 is a schematic view showing a structure in which the material extracting device extracts the end plates of the battery module in the assembling apparatus according to other embodiments of the present application.

Reference numerals in the specific embodiments are as follows:

100-vehicle, 110-battery, 111-box, 1111-first part, 1112-second part, 112-battery module, 1121-end plate, 1122-shield, 11221-release paper, 1123-battery cell, 1123A-first end face, 1123B-second end face, 120-controller, 130-motor;

200-assembling device, 210-first limiting piece, 210A-second reference surface, 220-second limiting piece, 220A-first reference surface, 221-limiting part, 222-bearing part, 230-third limiting piece, 230A-third reference surface, 240-limiting base, 250-first driving component, 260-fixing piece, 270-second driving component, 280-fourth limiting piece, 290-fifth limiting piece and 300-third driving component;

1000-assembling equipment, 310-turntables, 320-connecting plates, 330-seats, 340-compressing structures, 341-pressurizing plates, 350-detecting structures, 351-first detecting pieces, 360-first connecting pieces, 371-second connecting pieces, 372-material taking plates, 373-sucking discs, 374-limiting pieces, 375-elastic pieces, 376-first rotating pieces, 377-second rotating pieces, 378-first material taking claws, 379-second material taking claws and 380-third detecting pieces.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication of two element internals or the interaction relationship of two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

The inventors have noted that battery modules are provided in the battery, and that when the battery modules are assembled, the assembly accuracy of the existing assembly apparatus is low, resulting in assembly errors of the assembled battery modules.

In order to alleviate the problem of assembly errors of assembled battery modules caused by low assembly accuracy of the conventional assembly device, the applicant has studied and found that the assembly accuracy can be improved by limiting the positions of the structural members constituting the battery modules at the time of assembly.

Based on the above consideration, in order to solve the problem that the assembled battery module has assembly errors caused by low assembly accuracy of the existing assembly device, the inventor has conducted intensive studies and designed an assembly device having three limiting members, each of which defines the position of at least one structural member constituting the battery module, so as to improve the assembly accuracy.

The battery module and the battery can be used as a power supply system of an electric device, and the electric device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiment describes the electric device as an example of the vehicle 100.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 100 according to some embodiments of the application. The vehicle 100 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The interior of the vehicle 100 is provided with a battery 110, and the battery 110 may be provided at the bottom or at the head or at the tail of the vehicle 100. The battery 110 may be used to power the vehicle 100, for example, the battery 110 may be used as an operating power source for the vehicle 100. The vehicle 100 may also include a controller 120 and a motor 130, the controller 120 being configured to control the battery 110 to power the motor 130, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 100.

In some embodiments of the application, battery 110 may be used not only as an operating power source for vehicle 100, but also as a driving power source for vehicle 100, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 100.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating an explosion structure of a battery 110 according to some embodiments of the application. The battery 110 includes a case 111 and a battery module 112, and the battery module 112 is accommodated in the case 111. The case 111 is used to provide an accommodating space for the battery module 112, and the case 111 may have various structures. In some embodiments, the case 111 may include a first portion 1111 and a second portion 1112, the first portion 1111 and the second portion 1112 overlapping each other, the first portion 1111 and the second portion 1112 together defining an accommodating space for accommodating the battery module 112. The second portion 1112 may be a hollow structure with an opening at one end, the first portion 1111 may be a plate-shaped structure, and the first portion 1111 covers the opening side of the second portion 1112, so that the first portion 1111 and the second portion 1112 together define a receiving space; the first portion 1111 and the second portion 1112 may also be hollow structures each having an opening at one side, and the opening side of the first portion 1111 is engaged with the opening side of the second portion 1112. Of course, the case 111 formed by the first portion 1111 and the second portion 1112 may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

When a plurality of battery modules 112 are disposed in the case 111, the plurality of battery modules 112 may be directly connected in series, parallel, or series-parallel, and then the whole of the plurality of battery modules 112 is accommodated in the case 111. The battery 110 may also include other structures, for example, the battery 110 may also include a bus bar member for making electrical connection between the plurality of battery modules 112.

Referring to fig. 3-5, fig. 3 is a schematic view of a partial structure of a battery module 112 according to some embodiments of the present application, fig. 4 is a schematic view of a partial structure of a battery module 112 according to some embodiments of the present application, and fig. 5 is a schematic view of a partial explosion structure of a battery module 112 according to some embodiments of the present application. As shown in fig. 3, the battery module 112 includes an end plate 1121, a shield 1122, a plurality of battery cells 1123, and other functional components.

An end plate 1121 is provided at one side of the battery cell 1123 to space the battery cell 1123 from the inner wall of the case 111. Without limitation, the shape of the end plate 1121 may be adapted to the shape of the battery cell 1123 to fit the battery cell 1123. Alternatively, the end plate 1121 may be made of a material having a certain hardness and strength (such as an aluminum alloy), so that the end plate 1121 is not easily deformed when being impacted by extrusion, and thus the battery module 112 can have a higher structural strength and improved safety. Of course, the battery module 112 may be further provided with a bottom plate, a cover plate, a side plate, and the like, and the bottom plate, the cover plate, the side plate, and the end plate 1121 enclose a receiving chamber for receiving the battery cells 1123.

The protective cover 1122 is provided at one end of the battery cell 1123, and the protective cover 1122 is made of an insulating material to prevent the case 111 from being charged. Of course, the shield 1122 may also be an L-shaped structure, with a portion located at one end of the cell 1123 and a portion located between the cell 1123 and the end plate 1121 to prevent the end plate 1121 from being charged. The shield 1122 may be made of plastic, rubber, or the like.

A battery cell 1123 is provided with a battery cell assembly, which is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is typically provided between the positive electrode sheet and the negative electrode sheet. The parts of the positive electrode plate and the negative electrode plate with active substances form the main body part of the battery cell assembly, and the parts of the positive electrode plate and the negative electrode plate without active substances form the electrode lugs respectively. The positive electrode tab and the negative electrode tab may be located at one end of the main body portion together or located at two ends of the main body portion respectively. During the charge and discharge of the battery cell 1123, the positive and negative electrode active materials react with the electrolyte, and the tab is connected to the electrode terminal to form a current loop. Electrode terminals may be connected to the battery cells 1123 for outputting or inputting electric power to the cell assembly.

The battery cell 1123 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cell 1123 may be cylindrical, flat, rectangular, or other shape, etc.

In some embodiments, the battery module 112 may also be provided with a pressure relief mechanism for relieving the internal pressure when the internal pressure or temperature of the battery module 112 reaches a threshold.

The technical solution provided in the present application is to control three dimensions when assembling the battery module 112, referring to fig. 4, respectively: the distance between the second end face 1123B of the battery cell 1123 and the surface of the shield 1122 facing away from the second end face 1123B is controlled to be d1, the distance between the surface of the control end plate 1121 facing toward the second end face 1123B and the surface of the shield 1122 facing away from the second end face 1123B is controlled to be d2, and the distance between the surface of the control end plate 1121 facing away from the first end face 1123A and the second end face 1123B of the battery cell 1123 is controlled to be d3. Wherein the first end face 1123A and the second end face 1123B are two end faces at both ends of the battery cell 1123. By controlling the above three dimensions, the positional accuracy of each component in the assembled battery module 112 can be effectively ensured. However, the conventional assembly device cannot control the size, and thus, there is an assembly error of the assembled battery module 112.

According to some embodiments of the present application, reference is made to fig. 6, and further reference is made to fig. 7 to 11, fig. 6 is a schematic structural diagram of an assembling device according to some embodiments of the present application, fig. 7 is a schematic structural diagram of an assembling device according to some embodiments of the present application when assembling a battery module, fig. 8 is a schematic structural diagram of an assembling device according to some embodiments of the present application, fig. 9 is a schematic structural diagram of an assembling device according to some embodiments of the present application when assembling an end plate and a protective cover in a battery module, fig. 10 is a schematic structural diagram of an assembling device according to some embodiments of the present application when assembling an end plate and a protective cover in a battery module, and fig. 11 is a schematic structural diagram when an assembling device according to some embodiments of the present application assembles an end plate, a protective cover and a battery cell in a battery module.

The present application provides an assembly device 200. The assembling apparatus 200 includes: the first limiting piece 210, the second limiting piece 220 and the third limiting piece 230, wherein a first surface and a second surface are arranged on one side of the first limiting piece 210, the second limiting piece 220 is opposite to the first surface of the first limiting piece 210, and the third limiting piece 230 is opposite to the second surface of the first limiting piece 210; the first limiting member 210 moves toward or away from the second limiting member 220 and the third limiting member 230 under the driving force.

The first surface and the second surface of the first limiting member 210 may be in the same plane, or may be two surfaces with an included angle, where the situation may be the case. Such as: as shown in fig. 6, the first surface and the second surface of the first stopper 210 are in the same plane, but the second surface is provided with a protrusion structure, which is adapted to the structure of the corresponding position on the battery module 112.

The first surface and the second surface are located on the same side of the first limiting member 210, the second limiting member 220 is opposite to the first surface of the first limiting member 210, and the third limiting member 230 is opposite to the second surface of the first limiting member 210, i.e. the second limiting member 220 and the third limiting member 230 are located on the same side of the first limiting member 210.

The first reference surface 220A of the second limiting member 220 opposite to the first surface and the third reference surface 230A of the third limiting member 230 opposite to the second surface may be in the same plane or may not be in the same plane, where the situation is determined. Such as: as shown in fig. 6, the first surface and the second surface of the first limiting member 210 are in the same plane, and the first reference surface 220A of the second limiting member 220 is closer to the first limiting member 210 than the third reference surface 230A of the third limiting member 230, and the first reference surface 220A protrudes from the third reference surface 230A by a distance d3.

The first limiting member 210 moves toward or away from the second limiting member 220 and the third limiting member 230 by a driving force, which may be provided manually or electrically/mechanically.

In one embodiment, the assembly device 200 is placed on a plane that is the bearing plane to bear against the end plate 1121. Referring to fig. 3 to 7, when the battery module 112 is assembled, the surface of the second limiting member 220 facing the first limiting member 210 is a first reference surface 220A, and the end plate 1121 is placed on the bearing plane between the second limiting member 220 and the first limiting member 210, so as to drive the first limiting member 210 to move to make the end plate 1121 abut against the first reference surface 220A; the surface of the first stopper 210 facing the second stopper 220 is a second reference surface 210A, a shield 1122 is placed on the end plate 1121, and the shield 1122 abuts against the second reference surface 210A; the surface of the third limiting member 230 facing the first limiting member 210 is a third reference surface 230A, and the battery cell 1123 is placed on one side of the protective cover 1122, which is away from the first limiting member 210, so as to drive the first limiting member 210 to move, and the battery cell 1123 is abutted against the third reference surface 230A; then, the battery 1123, the shield 1122, and the end plate 1121 are attached to each other by pressing the side of the battery 1123 facing away from the end plate 1121, and at this time, the battery module 112 is assembled. And then the first limiting member 210 is driven to move in a direction away from the second limiting member 220 and the third limiting member 230 to take out the assembled battery module 112. Wherein, the distance that the first reference surface 220A protrudes from the third reference surface 230A is d3.

In this embodiment, the assembly accuracy of the assembly device 200 can be improved by the position setting of the first limiting member 210, the second limiting member 220, and the third limiting member 230 and the movable setting of the first limiting member 210, so that the assembly error of the assembled battery module 112 can be reduced.

It can be appreciated that the end plate 1121, the shield 1122, and the battery cell 1123 can be sequentially assembled by the assembling device 200 without replacing the assembling device 200 during the stacking process, so that assembly errors due to the difference in control dimensions caused by the replacement can be prevented.

Optionally, referring to fig. 6, according to some embodiments of the present application, the second stopper 220 includes: the limiting part 221 and the bearing part 222, the limiting part 221 is opposite to the first surface, one end of the bearing part 222 is connected with the limiting part 221, the other end extends towards the direction of the first limiting part 210, the limiting part 221, the bearing part 222 and the first limiting part 210 cooperate to define a limiting concave part, and the third limiting part 230 is located on the opening side of the limiting concave part.

The limiting portion 221 and the carrying portion 222 are connected to form an L-shaped structure, the first surface of the first limiting member 210 is opposite to the limiting portion 221, and the other end of the carrying portion 222 extends toward the first limiting member 210, so that the limiting portion 221, the carrying portion 222 and the first limiting member 210 cooperate to form a U-shaped structure, and when the battery module 112 is assembled, the end plate 1121 can be placed on the carrying portion 222, so that other external carrying structures are not needed.

The limiting portion 221 may be integrally formed with the bearing portion 222, so as to improve the structural strength of the second limiting member 220.

In the present embodiment, by the structural arrangement of the second stopper 220, the end plate 1121 can be carried without resorting to an external carrying structure.

Optionally, referring to fig. 6, according to some embodiments of the present application, the assembling device 200 may further include: the limiting base 240 and the first driving assembly 250, the limiting base 240 is connected with one side of the bearing part 222, which is away from the limiting concave part, the first driving assembly 250 is respectively connected with the limiting base 240 and the first limiting piece 210, and the first driving assembly 250 drives the first limiting piece 210 to move towards a direction close to or far away from the limiting part 221.

The limiting base 240 is connected to a side of the bearing portion 222 facing away from the limiting recess, and the first driving assembly 250 is connected to the limiting base 240 and the first limiting member 210, that is, the first limiting member 210 and the second limiting member 220 are connected together through the limiting base 240 and the first driving assembly 250. The first driving assembly 250 may be a motor assembly, a cylinder assembly, or other electric/mechanical driving means, which is not particularly limited herein.

In this embodiment, the first limiting member 210 and the second limiting member 220 are connected together through the limiting base 240 and the first driving assembly 250, so as to improve the integration level of the assembling device 200; the first driving assembly 250 drives the first limiting member 210 to move in a direction approaching or separating from the limiting portion 221, so as to improve the moving efficiency of the first limiting member 210.

Optionally, referring to fig. 6, according to some embodiments of the present application, the assembling device 200 may further include: the fixing piece 260, the fixing piece 260 is disposed on one side of the third limiting piece 230 away from the first limiting piece 210, the fixing piece 260 is close to the surface of the third limiting piece 230, a part of the surface is connected with the third limiting piece 230, and the other part of the surface is opposite to the limiting portion 221.

The fixing member 260 may be a single plate, a composite plate formed by stacking a plurality of plates, or a plate formed by connecting one plate and two supporting portions as shown in fig. 6 to 11, wherein one side of the plate is connected to the third limiting member 230, and the other side of the plate is connected to two supporting portions, which are both trapezoidal and symmetrically arranged, so that the firmness of the plate can be improved.

In this embodiment, the third limiting member 230 can be fixed and the structural strength can be increased by connecting the fixing member 260 and the third limiting member 230, and the second limiting member 220 can be limited in position by the fixing member 260 being close to the surface of the third limiting member 230, wherein a part of the surface is opposite to the limiting portion 221 so that the second limiting member 220 can abut against the fixing member 260.

Optionally, referring to fig. 6, according to some embodiments of the present application, the assembling device 200 may further include: the second driving assembly 270, the second driving assembly 270 is connected with the limiting base 240, and the second driving assembly 270 drives the limiting base 240 to move towards or away from the fixing member 260.

The second driving assembly 270 can drive the limiting base 240 to move in a direction approaching or separating from the fixing member 260, that is, the second driving assembly 270 can drive the first limiting member 210 and the second limiting member 220 to move in a direction approaching or separating from the third limiting member 230, so as to adjust the size between the first limiting member 210 and the third limiting member 230 and the size between the second limiting member 220 and the third limiting member 230, thereby enabling the assembling device 200 to be suitable for battery modules 112 with different size requirements. The second driving assembly 270 may be a motor assembly, a cylinder assembly, or other electric/mechanical driving means, which is not particularly limited herein.

In the present embodiment, the second driving assembly 270 drives the first limiting member 210 and the third limiting member 230 to adjust the size between the second limiting member 220 and the third limiting member 230, so that the assembling device 200 can adapt to the battery modules 112 with different size requirements; meanwhile, the second driving assembly 270 can drive the limit base 240 to move toward or away from the fixing member 260, so as to increase the moving speed of the limit base 240.

According to some embodiments of the application, optionally, referring to fig. 6 to 11, the assembling device 200 may further include: the fourth limiting piece 280 and the fifth limiting piece 290, wherein the fourth limiting piece 280 is arranged on one side of the bearing part 222, part of the fourth limiting piece 280 is arranged on one side of the bearing part 222 close to the opening, the fifth limiting piece 290 is arranged on the other side of the bearing part 222, and part of the fifth limiting piece 290 is arranged on one side of the bearing part 222 close to the opening.

The fourth limiting member 280 is disposed on one side of the bearing portion 222, part of the fourth limiting member 280 is disposed on one side of the bearing portion 222 near the opening, the fifth limiting member 290 is disposed on the other side of the bearing portion 222, part of the fifth limiting member 290 is disposed on one side of the bearing portion 222 near the opening, that is, the fourth limiting member 280 and the fifth limiting member 290 are disposed on two sides of the bearing portion 222 respectively and on the opening side of the bearing portion 222, so that the first limiting member 210, the second limiting member 220, the fourth limiting member 280 and the fifth limiting member 290 enclose a limiting recess capable of limiting in four directions.

In this embodiment, the fourth limiting member 280 and the fifth limiting member 290 are arranged, so that the assembling device 200 can limit the positions of the two sides of the battery module 112, and the assembling effect of the battery module 112 is better.

According to some embodiments of the application, optionally, referring to fig. 6 to 11, the assembling device may further include: the third driving assembly 300, the third driving assembly 300 is connected with the fourth limiting member 280, and the third driving assembly 300 drives the fourth limiting member 280 to move towards or away from the fifth limiting member 290. Of course, a driving assembly may be connected to the fifth limiting member 290, and the driving assembly can drive the fifth limiting member 290 to move towards or away from the fourth limiting member 280, so as to more conveniently adjust the distance between the fourth limiting member 280 and the fifth limiting member 290 through the movement of the fourth limiting member 280 and/or the fifth limiting member 290.

In the present embodiment, the third driving assembly 300 drives the fourth limiting member 280 to move in a direction approaching or separating from the fifth limiting member 290, so as to adjust the distance between the fourth limiting member 280 and the fifth limiting member 290 according to the specific dimension between the two sides of the battery module 112, and the third driving assembly 300 can increase the moving speed of the fourth limiting member 280.

According to some embodiments of the present application, referring to fig. 12 and 13, fig. 12 is a schematic structural view of an assembling apparatus according to some embodiments of the present application, and fig. 13 is a schematic structural view of the assembling apparatus according to some embodiments of the present application when assembling a battery module.

The application also provides an assembly apparatus 1000. The assembly apparatus 1000 includes: the turntable 310 and the connecting plate 320, the turntable 310 rotates under the action of driving force, the connecting plate 320 is connected to the third surface of the turntable 310, and one side of the connecting plate 320 away from the third surface is provided with at least one assembly device 200; when the plurality of assembling devices 200 are provided on the connection board 320, the plurality of assembling devices 200 on the connection board 320 are configured to perform the same assembling operation.

The turntable 310 rotates under the action of driving force, the connection plate 320 is connected to the third surface of the turntable 310, and at least one assembly device 200 described in any one of above is disposed on one side of the connection plate 320 facing away from the third surface, so that the assembly device 200 on the connection plate 320 can be rotated to a position where a worker is located or to a position closer to a structural member to be assembled by rotation of the turntable 310. The connection plate 320 may be detachably connected to the turntable 310, so that the assembly apparatus 1000 can be disassembled into a smaller structure for transportation, and the number of connection plates 320 connected to the turntable 310 can be adjusted according to actual needs. The plurality of assembling devices 200 on the connection plates 320 are configured to perform the same assembling actions, and the assembling devices 200 on different connection plates 320 are configured to perform different assembling actions, so that a first structural member can be assembled after one connection plate 320 of the assembling device 200 rotates to a first position, a second structural member can be assembled after the connection plate continues to rotate to a second position, a third structural member can be assembled after the connection plate continues to rotate to a third position, and … … can be assembled until all structural members are assembled.

A circle of edges of the third surface of the turntable 310 may be provided with a circle of connection plates 320 closely spaced, or partially closely spaced, and the circumferential sides of the turntable 310 are sequentially provided with different structural members to be assembled in the rotation direction of the turntable 310, the connection plates 320 perform the assembly of the different structural members as the turntable 310 rotates to different positions, and the battery module 112 is assembled after the turntable 310 rotates less than one circle or equal to one circle or more than one circle. The assembly device 200 of the present embodiment occupies a smaller area than a pipelined assembly device.

In the embodiment, firstly, after the turntable 310 rotates, each structural member forming the battery module 112 can be assembled in sequence to realize the assembly of the battery module 112; secondly, the plurality of assembling devices 200 on the connection plate 320 are configured to perform the same assembling operation, so that the plurality of battery modules 112 can be assembled at the same time, thereby improving the assembling efficiency; third, since the assembling apparatus 1000 is of a rotary design, the area occupied by the assembling apparatus 1000 can be reduced.

Optionally, referring to fig. 12 and 13, according to some embodiments of the present application, the assembly apparatus 1000 may further include: the base 330, the base 330 is set up on the fourth surface side of the rotary table 310, the base 330 extends to the centre of the fourth surface of the rotary table 310 to have a rotation axis, the rotation axis is connected with rotary table 310, the rotation axis drives the rotary table 310 to rotate; wherein the fourth surface is opposite to the third surface.

The height of the base 330 can be designed according to the actual requirement, however, the base 330 can also be designed with a lifting mechanism to adjust the height of the base 330 according to the actual requirement. The base 330 may be solid, hollow, or formed in other forms, and is not limited herein.

In this embodiment, the rotating disk 310 can be supported by the base 330, and the rotating disk 310 can be provided with a rotating force.

Optionally, referring to fig. 12 and 13, according to some embodiments of the present application, the assembly apparatus 1000 may further include: the pressing structure 340, the pressing structure 340 is connected with the base 330, the pressing structure 340 extends towards the third surface side of the turntable 310, the pressing structure 340 located at the third surface side of the turntable 310 is bent with a pressing component opposite to the assembling device 200, and part of the pressing component moves towards a direction approaching or separating from the assembling device 200 under the action of driving force.

The pressing assembly of the pressing structure 340 can apply a downward pressure to the direction of the assembling device 200, so that the battery cell 1123, the protective cover 1122 and the end plate 1121 on the assembling device 200 are attached to each other, when a connecting material is disposed between the two attached components, the two attached components are connected more firmly, and after the pressing is completed, the pressing assembly can move to a direction away from the assembling device 200.

The pressing assembly may include a pressing plate 341 and a fourth driving assembly connected to the pressing plate 341, the pressing plate 341 may be in contact with a structure to be pressed of the assembly area to press, and the fourth driving assembly drives the pressing plate 341 to move toward/away from the assembly apparatus 200. The fourth driving component may be a motor, a cylinder, or other electric and/or mechanical driving structures, which are not limited herein.

In this embodiment, the battery module 112 is assembled more compactly by the pressing structure 340.

Optionally, referring to fig. 12 and 13, according to some embodiments of the present application, the assembly apparatus 1000 may further include: the detecting structure 350, the detecting structure 350 is connected to the base 330, the detecting structure 350 extends toward the third surface side of the turntable 310, the detecting structure 350 located on the third surface side of the turntable 310 is provided with a first detecting member 351, and the first detecting member 351 is opposite to the assembling area of the assembling device 200.

In some embodiments, the first detection member 351 is a sensor or an image acquisition device.

The detection structure 350 may be rod-shaped as shown in fig. 11 and 12, or may be of other forms.

The first detecting member 351 is opposite to the assembly area of the assembly device 200, and the first detecting member 351 is configured to detect whether the assembly area is placed with a predetermined structural member to be assembled, so as to reduce reworking caused by fewer assembly structural members.

When the first detecting member 351 is a sensor, the sensor may be a distance sensor, and the sensor returns to the assembly area after sending a signal to acquire the distance between the sensor and the assembly area, and when the acquired distance is equal to a preset distance, it is determined that a predetermined structural member is assembled, and when the acquired distance is greater than the preset distance, it is determined that the structural member is not assembled or that a certain structural member is assembled in an excessive amount. Of course, the first detecting member 351 may be another sensor.

When the first detecting member 351 is an image capturing device, the image capturing device may be a lens that captures an image of an assembly area, determines that a prescribed structural member is assembled when the captured image and a preset image are identical, and determines that a structural member is not assembled or that a certain structural member is assembled by an excessive amount when the captured image and the preset image are not identical. Of course, the first detecting member 351 may be other image capturing devices.

In this embodiment, the detecting structure 350 can detect whether the assembling area is assembled with a predetermined structural member to be assembled, so as to reduce reworking caused by lack of the assembling structural member.

Optionally, referring to fig. 14, according to some embodiments of the present application, the assembling apparatus 1000 may further include: a first connector 360 and a plurality of types of reclaimer devices, each connected to the first connector 360, the plurality of types of reclaimer devices configured to provide different materials to the assembly device 200.

The assembly device 200 is capable of assembling a plurality of identical or different structural members together, while a variety of extraction devices are capable of taking the required structural members for the assembly device 200. In particular, the first connector 360 may have a robot arm displacement device attached to it to enable the take-off device to be moved between a position where the structure is to be assembled and a position where the assembly area of the assembly device 200 is.

In this embodiment, the multiple material taking devices can take different structural members for the assembling device 200, so as to improve the assembling efficiency of the assembling apparatus 1000.

According to some embodiments of the application, optionally, referring to fig. 14 to 16, the material taking device may include: the second connecting piece 371 and get material board 372, the second connecting piece 371 is connected with first connecting piece 360, and one side that first connecting piece 360 was kept away from to the second connecting piece 371 is sunken to have the connection concave part, gets material board 372 and two inner walls sliding connection that are opposite to each other of connection concave part, and gets material board 372 and keep away from the surface of second connecting piece 371 and be provided with sucking disc 373.

The suction cup 373 uses the difference between the internal and external atmospheric pressure to be able to suck the structural member to be assembled, such as: an adsorption end plate 1121 or a shield 1122 or a cell 1123. The take-out plate 372 is slidably coupled to two inner walls of the coupling recess opposite to each other, whereby the structural members to be assembled adsorbed on the suction cup 373 can be opposed to the assembly area by sliding the take-out plate 372 when the structural members to be assembled adsorbed on the suction cup 373 and the assembly area on the assembly device 200 are a minute distance.

In this embodiment, the structural member to be assembled can be sucked through the suction disc 373, and when the structural member to be assembled is released after being taken to the assembly area, the structural member to be assembled is convenient and quick.

According to some embodiments of the application, optionally, referring to fig. 14 to 16, the material taking device may further include: the limiting piece 374 and the elastic piece 375, the limiting piece 374 is connected with the second connecting piece 371 of getting the material board 372 one end, and the elastic piece 375 sets up between the limiting piece 374 and getting the material board 372, and the limiting piece 374 is connected respectively to the elastic piece 375 and gets the material board 372.

The stop 374 may be rod-shaped as shown in fig. 16, or may be a structural member of other shapes. The elastic member 375 may be a spring or a structural member made of rubber, silica gel, or the like.

In this embodiment, the elastic member 375 can provide a buffering force for the material taking plate 372, so that when the structural member on the suction cup 373 and the assembly area are not completely opposite, the structural member on the suction cup 373 can have a micro displacement under the limiting actions of the first limiting member 210, the second limiting member 220 and the third limiting member 230, so that the structural member on the suction cup 373 can be opposite to the assembly area.

According to some embodiments of the application, optionally, referring to fig. 15 to 19, the material taking device may further include: the first rotating member 376 and the second rotating member 377, one end of the first rotating member 376 and one end of the second rotating member 377 are respectively connected with the side surface of the second connecting member 371, the other end of the first rotating member 376 and the other end of the second rotating member 377 are switched between the attaching state and the separating state, and the attaching positions of the first rotating member 376 and the second rotating member 377 are on the same plane with the attaching surface of the suction cup 373.

In this embodiment, the attaching positions of the first rotating member 376 and the second rotating member 377 are on the same plane with the attaching surface of the suction cup 373, so that after the suction cup 373 attaches the structural member, the first rotating member 376 and the second rotating member 377 rotate to an attaching state and clamp the film on the suction cup 373, such as the release paper 11221, on the surface of the suction cup 373 facing the side of the suction cup 373, and after the suction cup 373 releases the attached structural member, the first rotating member 376 and the second rotating member 377 maintain the attaching state to take away the film when the material taking device moves in a direction away from the released structural member.

According to some embodiments of the application, optionally, the material taking device may further include: the second detecting member is disposed in the connection recess, and the take-out plate 372 is provided with a through hole opposite to the second detecting member.

In some embodiments, the second detection member is a sensor or an image acquisition device.

When the second detecting member is a sensor, the sensor may be a distance sensor, and the signal from the sensor returns to the suction cup 373 side of the material taking plate 372 via the through hole to obtain the distance between the sensor and the suction cup 373 side, and when the obtained distance is equal to the preset distance, it is determined that the structural member is adsorbed, and when the obtained distance is greater than the preset distance, it is determined that the structural member is not adsorbed or that the adsorbed structure is not the required structural member. Of course, the second sensing member may be other forms of sensor.

When the second detecting member is an image capturing device, the image capturing device may be a lens, which captures an image of the suction cup 373 side of the material taking plate 372 via the through hole, and determines that the structural member is adsorbed when the captured image is identical to the preset image, and determines that the structural member is not adsorbed when the captured image is inconsistent with the preset image. Of course, the second detecting member may be other forms of image capturing devices.

In this embodiment, whether the suction cup 373 is attached with a structural member (such as release paper 11221) can be obtained by the second detecting member, so that the reworking probability caused by that the release paper 11221 is not torn off can be reduced.

According to some embodiments of the application, optionally, referring to fig. 14, 19 and 20, the reclaiming device comprises: the first taking claw 378, the second taking claw 379 and the third detecting member 380, the first taking claw 378 and the second taking claw 379 are opposite to each other, the first taking claw 378 and/or the second taking claw 379 move towards or away from each other under the action of driving force, and the third detecting member 380 is opposite to the position between the first taking claw 378 and the second taking claw 379.

In some embodiments, the third detection member is a sensor or an image acquisition device.

The first and/or second take-out claws 378 and 379 are moved toward or away from each other by the driving force, whereby the structural member to be assembled can be gripped when the first and/or second take-out claws 378 and 379 are moved toward each other by the driving force, and the gripped structural member to be assembled can be released when the first and/or second take-out claws 378 and 379 are moved away from each other by the driving force. The third detecting member is used for detecting whether a structural member to be assembled is clamped between the first material taking claw 378 and the second material taking claw 379, and the third detecting member can refer to the arrangement of the first detecting member or the second detecting member, which is not described herein.

In this embodiment, the first material taking claw 378 and the second material taking claw 379 can take the structural members to be assembled in a clamping manner, and the third detecting member can detect whether the structural members to be assembled are clamped, so that the probability of the structure (such as the battery module 112) lacking the structural members after the assembly is completed can be reduced.

According to some embodiments of the present application, the present application also provides an assembling method applied to the assembling apparatus 200 of any one of the above, referring to fig. 6 and 7, the assembling method includes: placing a first structural member between the second limiting member 220 and the first limiting member 210, and driving the first limiting member 210 to move so that the first structural member abuts against the second limiting member 220; placing a second structural member on the first structural member and enabling the second structural member to abut against the second surface of the first limiting member; the third structural member is placed on the side, away from the first limiting member 210, of the second structural member, so that the first limiting member 210 is driven to move to enable the third structural member to abut against the third limiting member 230.

In one embodiment, the first structural member is an end plate 1121 of the battery module 112, the second structural member is a protective cover 1122 of the battery module 112, and the third structural member is a cell 1123 of the battery module 112.

In this embodiment, the battery module 112 assembled by the assembly method can better control the distance between the second end face 1123B of the battery cell 1123 and the surface of the shield 1122 facing away from the second end face 1123B to be d1, control the distance between the surface of the end plate 1121 near the second end face 1123B and the surface of the shield 1122 facing away from the second end face 1123B to be d2, and control the distance between the surface of the end plate 1121 facing away from the first end face 1123A and the second end face 1123B of the battery cell 1123 to be d3. This reduces the probability of assembly errors in the assembled battery module 112.

In one embodiment, referring to fig. 6 to 20, an assembling apparatus 1000 includes:

the device comprises a rotary table 310, four connecting plates 320, a base 330, a pressing structure 340 and eight detection structures 350. The turntable 310 has a third surface and a fourth surface opposite to each other, four connection plates 320 are uniformly distributed on a circle of edges of the third surface of the turntable 310, the seat 330 is disposed on the fourth surface side of the turntable 310, a rotation shaft extends toward the center of the fourth surface of the turntable 310 from the seat 330, the rotation shaft is connected with the turntable 310, and the rotation shaft drives the turntable 310 to rotate. Two assembling devices 200 are provided on a side of each connecting plate 320 facing away from the third surface, the two assembling devices 200 on the same connecting plate 320 being configured to perform the same assembling action, and the assembling devices 200 on the 4 connecting plates 320 being configured to perform different assembling actions. The pressing structure 340 is connected with the base 330, the pressing structure 340 extends toward the third surface side of the turntable 310, the pressing structure 340 located on the third surface side of the turntable 310 is bent with a pressing component opposite to the assembling device 200 on one of the connection plates 320, and a part of the pressing component moves toward or away from the assembling device 200 under the action of a driving force. Eight detecting structures 350 are respectively connected with the base 330, and one detecting structure 350 correspondingly detects an assembling area on one assembling device 200. The detecting structure 350 extends toward the third surface side of the turntable 310, and the detecting structure 350 located on the third surface side of the turntable 310 is provided with a first detecting member 351, the first detecting member 351 being opposite to the assembly area of the assembly device 200, the first detecting member 351 being a sensor.

Assembly apparatus 200, assembly apparatus 200 comprising: the first stopper 210, the second stopper 220, the third stopper 230, the stopper base 240, the first driving assembly 250, the fixing member 260, the second driving assembly 270, the fourth stopper 280, the fifth stopper 290 and the third driving assembly 300. The spacing base 240 is connected with the connecting plate 320 through the second driving assembly 270, and the mounting 260 is connected on the connecting plate 320 perpendicularly and is located the one end of spacing base 240, and one side that the mounting 260 deviates from spacing base 240 is provided with a plurality of supporting parts, and the cross-sectional dimension that the supporting part is close to connecting plate 320 one end is greater than the cross-sectional dimension that the supporting part is kept away from connecting plate 320 one end. The first driving assembly 250 is connected to the limiting base 240 and the first limiting member 210, respectively, and the first limiting member 210 is located on a side of the fixing member 260 facing away from the supporting portion. The second stopper 220 includes: the limiting part 221 and the bearing part 222, one end of the limiting part 221 and one end of the bearing part 222 are connected to form a second limiting part 220 in an L shape, two sides of the limiting part 221 are respectively opposite to the fixing part 260 and the first limiting part 210, the bearing part 222 is connected with the limiting base 240, and the limiting part 221, the bearing part 222 and the first limiting part 210 are matched to define a limiting concave part. The surface of the first limiting member 210 facing the second limiting member 220 is a second reference surface 210A, and the surface of the second limiting member 220 facing the first limiting member 210 is represented as a first reference surface 220A. The third limiting member 230 is located at the opening side of the limiting recess and connected to the fixing member 260, and a surface of the third limiting member 230 facing the first limiting member 210 is a third reference surface 230A. The two sides of the limiting concave part are respectively provided with a fourth limiting part 280 and a fifth limiting part 290 which are opposite to each other, the third driving assembly 300 is connected with the fourth limiting part 280, and the fifth limiting part 290 is connected with a driving assembly which can drive the fifth limiting part 290 to move towards the direction close to or far away from the fourth limiting part 280. Wherein the second driving assemblies 270 of the two assembling devices 200 on the same connection plate 320 are the same.

Extracting device, extracting device includes: a first connector 360 and two types of reclaimer devices, each connected to the first connector 360, one type of reclaimer device configured to simultaneously provide 2 copies of the same material to two assembly devices 200 on one connector plate 320, the two types of reclaimer devices configured to provide different materials to the assembly devices 200. A reclaimer device comprising: the second connecting piece 371, get material board 372, sucking disc 373, locating part 374, elastic component 375, first rotating piece 376, second rotating piece 377 and second detection piece, second connecting piece 371 is connected with first connecting piece 360, and the one side that first connecting piece 360 was kept away from to second connecting piece 371 is sunken to have the connection concave part, gets material board 372 and two inner walls sliding connection that are opposite each other of connection concave part, and gets material board 372 and keep away from the surface of second connecting piece 371 and be provided with sucking disc 373. The limiting member 374 is connected with a second connecting member 371 at one end of the material taking plate 372, the elastic member 375 is arranged between the limiting member 374 and the material taking plate 372, and the elastic member 375 is respectively connected with the limiting member 374 and the material taking plate 372. One end of the first rotating member 376 and one end of the second rotating member 377 are connected to the side surfaces of the second connecting member 371, respectively, the other end of the first rotating member 376 and the other end of the second rotating member 377 are switched between the attached state and the detached state, and the attached positions of the first rotating member 376 and the second rotating member 377 are on the same plane with the suction surface of the suction cup 373. The second detecting member is disposed in the connection recess, and the material taking plate 372 is provided with a through hole opposite to the second detecting member, which is an image acquisition device. Another set of take off devices includes: the first taking claw 378, the second taking claw 379 and the third detecting piece 380, the first taking claw 378 and the second taking claw 379 are opposite to each other, the first taking claw 378 and/or the second taking claw 379 move towards a direction approaching or separating from each other under the action of driving force, the third detecting piece 380 is opposite to the position between the first taking claw 378 and the second taking claw 379, and the third detecting piece is an image acquisition device.

The assembly method of this embodiment includes:

s101: the dial 310 is in the first position.

The end plate 1121 is grabbed by the first and second extracting claws 378 and 379 and placed on the bearing portion 222 between the second and first stoppers 220 and 210, and then the first stopper 210 is driven to move in a direction approaching the second stopper 220 by the first driving assembly 250, so that the placed end plate 1121 abuts against the first reference surface 220A. And then can be moved by one or both of the fourth and fifth stoppers 280 and 290 to clamp both sides of the end plate 1121.

The suction cup 373 sucks the shield 1122 to place and adhere the shield 1122 to the end plate 1121, the shield 1122 adhered to the end plate 1121 abuts against the second reference surface 210A, and the first rotating member 376 and the second rotating member 377 pinch the release paper 11221 on the shield 1122 when the suction cup 373 is removed. The second detecting member confirms that the release paper 11221 is carried away.

S102: the dial 310 is rotated 90 degrees to a second position.

The first material taking claw 378 and the second material taking claw 379 are used for grabbing the battery cell 1123 and placing the battery cell 1123 on one side of the protective cover 1122, which is away from the first limiting member 210, the first driving assembly 250 is used for driving the first limiting member 210 to move towards a direction close to the third limiting member 230 so that the placed battery cell 1123 abuts against the third reference surface 230A, and the surface, away from the end plate 1121, of the battery cell 1123 and the protective cover 1122 is bonded.

S103: the dial 310 is rotated 90 degrees to a third position.

The pressing structure 340 presses down the battery cell 1123, the shield 1122, and the end plate 1121 to make the battery cell 1123, the shield 1122, and the end plate 1121 more compact with each other, and the bonding effect is better.

S104: the dial 310 is rotated 90 degrees to a fourth position.

The assembled battery cell 112 is removed.

It should be noted that, the second driving assembly 270 may adjust the general position of the limiting base 240 at the beginning of assembly.

In the embodiment, firstly, the end plate 1121, the protective cover 1122 and the battery cell 1123 are subjected to reference control during assembly by the limitation of three reference surfaces, so that the assembly size is stable, and the qualification rate is improved; secondly, during the assembly process, the end plate 1121, the protective cover 1122 and the battery cell 1123 do not leave three reference surfaces, so that assembly errors caused by detachment can be prevented; thirdly, the end plate 1121, the protective cover 1122 and the battery cell 1123 are respectively abutted against different structural members during assembly so as to prevent the choking force; fourth, the multistation distribution is assembled, saves the beat.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme recorded in the foregoing embodiments can be modified, or the technical features of the parts or all parts can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. An assembly device, comprising:

the first limiting piece is provided with a first surface and a second surface on one side;

the second limiting piece is opposite to the first surface of the first limiting piece;

the third limiting piece is opposite to the second surface of the first limiting piece;

the first limiting piece moves towards a direction close to or far away from the second limiting piece and the third limiting piece under the action of driving force.

2. The assembly device of claim 1, wherein the assembly device comprises a housing,

the second limiting member includes: the limiting part is opposite to the first surface, one end of the bearing part is connected with the limiting part, the other end of the bearing part extends towards the direction of the first limiting part, and the limiting part, the bearing part and the first limiting part are matched to define a limiting concave part;

the third limiting piece is located on the opening side of the limiting concave portion.

3. The assembly device of claim 2, further comprising:

the limiting base is connected with one side of the bearing part, which is away from the limiting concave part;

The first driving assembly is connected with the limiting base and the first limiting piece respectively and drives the first limiting piece to move towards the direction close to or far away from the limiting portion.

4. The assembly device of claim 3, further comprising:

the fixing piece is arranged on one side, deviating from the first limiting piece, of the third limiting piece, the fixing piece is close to the surface of the third limiting piece, part of the fixing piece is connected with the third limiting piece, and the part of the fixing piece is opposite to the limiting portion.

5. The assembly device of claim 4, further comprising:

the second driving assembly is connected with the limiting base and drives the limiting base to move in a direction close to or far away from the fixing piece.

6. The assembly device of claim 2, further comprising:

the fourth limiting piece is arranged on one side of the bearing part, and part of the fourth limiting piece is arranged on one side, close to the opening, of the bearing part;

and the fifth limiting piece is arranged on the other side of the bearing part, and part of the fifth limiting piece is positioned on one side of the bearing part, which is close to the opening.

7. The assembly device of claim 6, further comprising:

the third driving assembly is connected with the fourth limiting piece and drives the fourth limiting piece to move in a direction close to or far away from the fifth limiting piece.

8. An assembly apparatus, comprising:

the turntable rotates under the action of a driving force;

a connecting plate connected to a third surface of the turntable, the side of the connecting plate facing away from the third surface being provided with at least one assembly device according to any one of claims 1-7;

when a plurality of assembling devices are arranged on the connecting plate, the assembling devices on the connecting plate are configured to perform the same assembling action.

9. The assembly apparatus of claim 8, further comprising:

the base body is arranged on the side of the fourth surface of the turntable, a rotating shaft extends towards the center of the fourth surface of the turntable, the rotating shaft is connected with the turntable, and the rotating shaft drives the turntable to rotate;

wherein the fourth surface is opposite to the third surface.

10. The assembly apparatus of claim 9, further comprising:

the pressing structure is connected with the base body, extends towards the third surface side of the rotary table, is bent to form a pressing assembly opposite to the assembling device, and part of the pressing assembly moves towards a direction approaching or far away from the assembling device under the action of driving force.

11. The assembly apparatus of claim 9, further comprising:

the detection structure is connected with the base body, extends to the third surface side of the rotary table, and is provided with a first detection piece, and the first detection piece is opposite to the assembly area of the assembly device.

12. The assembly apparatus of claim 8, further comprising:

a first connector;

and a plurality of material taking devices, wherein the material taking devices are respectively connected with the first connecting piece, and the material taking devices of different types are configured to provide different materials for the assembling device.

13. The assembly apparatus of claim 12, wherein the plurality of modules are disposed in a common plane,

The extracting device includes: the second connecting piece with get material board, the second connecting piece with first connecting piece is connected, the second connecting piece is kept away from one side of first connecting piece is sunken to have the connection concave part, get material board with two inner walls sliding connection that are opposite to each other of connection concave part, just get material board and keep away from the surface of second connecting piece is provided with the sucking disc.

14. The assembly apparatus of claim 13, wherein the assembly apparatus comprises,

the reclaimer device further comprises: the material taking plate comprises a material taking plate, a material limiting plate and a second connecting piece, wherein the material taking plate is arranged on the material limiting plate, the material limiting plate is arranged between the material taking plate and the material limiting plate, and the material taking plate is arranged between the material taking plate and the material limiting plate.

15. The assembly apparatus of claim 14, wherein the assembly apparatus comprises,

the reclaimer device further comprises: the suction cup comprises a suction cup, a first connecting piece, a second connecting piece, a first rotating piece, a second rotating piece, a first connecting piece, a second connecting piece, a first rotating piece and a second rotating piece, wherein one end of the first rotating piece and one end of the second rotating piece are respectively connected with the side face of the second connecting piece, the other end of the first rotating piece and the other end of the second rotating piece are switched between a bonding state and a separation state, and the bonding positions of the first rotating piece and the second rotating piece and the suction face of the suction cup are in the same plane.

16. The assembly apparatus of claim 15, wherein the assembly apparatus comprises,

the reclaimer device further comprises: the second detection piece is arranged in the connecting concave part, and the material taking plate is provided with a through hole opposite to the second detection piece.

17. The assembly apparatus of claim 12, wherein the plurality of modules are disposed in a common plane,

the extracting device includes: the first material taking claw, the second material taking claw and the third detection piece are opposite to each other, the first material taking claw and/or the second material taking claw move towards a direction close to or far away from each other under the action of a driving force, and the third detection piece is opposite to the position between the first material taking claw and the second material taking claw.

18. An assembling method applied to the assembling device according to any one of claims 1 to 7, characterized in that the assembling method comprises:

placing a first structural member between the second limiting member and the first limiting member, and driving the first limiting member to move so as to enable the first structural member to abut against the second limiting member;

placing a second structural member on the first structural member and enabling the second structural member to abut against the second surface of the first limiting member;

And placing a third structural member on one side, deviating from the first limiting member, of the second structural member, and driving the first limiting member to move so that the third structural member abuts against the third limiting member.