CN216858659U

CN216858659U - Positioning device and battery assembling device

Info

Publication number: CN216858659U
Application number: CN202220027530.5U
Authority: CN
Inventors: 翟修芝; 龚雪清; 王文冲
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-01
Anticipated expiration: 2032-01-07

Abstract

The application provides a positioning device and a battery assembling device. The positioning device comprises a mounting seat, a first positioning mechanism and a second positioning mechanism. The first positioning mechanism is arranged below the mounting seat and is configured to position the positioning part to be positioned in a first direction, the second positioning mechanism is arranged above the mounting seat and is configured to position the positioning part to be positioned in a second direction. Use the positioner that this application embodiment provided, to the end plate, when insulating boot etc. fix a position, can fix a position end plate or insulating boot from the length direction and the direction of height of battery module through first positioning mechanism and second positioning mechanism respectively, can be located the tip of the length direction of battery module with end plate or insulating boot more accurately from this, be favorable to the subsequent laser side seam welding of end plate or insulating boot, thereby be favorable to improving the welded quality of battery module laser side seam, improve the production quality and the efficiency of battery module.

Description

Positioning device and battery assembling device

Technical Field

The application relates to the field of positioning tools, in particular to a positioning device and a battery assembling device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The production assembly process of the new energy automobile power battery module comprises assembly and welding of the battery module, the end plate, the insulating cover and the like, wherein the end plate and the insulating cover are fixed by laser welding, namely, laser side seam welding of the battery module is realized. For making mechanical structure compacter, be convenient for weld, need fix a position battery module's end plate, insulating boot etc. before carrying out laser welding to the sideseam.

Positioning mechanism's among the correlation technique positioning accuracy is low, influences battery module laser side seam welded quality, and then reduces battery module's production quality and efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a positioning device and a battery assembling device, so that the positioning accuracy of the positioning device is improved, and the production quality and efficiency of batteries are improved. The specific technical scheme is as follows:

an embodiment of a first aspect of the present application provides a positioning device for a battery, including: the device comprises a mounting seat, a first positioning mechanism and a second positioning mechanism; the first positioning mechanism is arranged below the mounting seat and is configured to position the positioning part to be positioned in a first direction; the second positioning mechanism is arranged above the mounting seat and is configured to position the positioning part in a second direction, and the second direction is perpendicular to the first direction.

The embodiment of the first aspect of the present application provides a positioning apparatus, including a mounting seat, a first positioning mechanism, and a second positioning mechanism; the first positioning mechanism is arranged below the mounting seat and is configured to position the positioning part to be positioned in a first direction, the second positioning mechanism is arranged above the mounting seat and is configured to position the positioning part to be positioned in a second direction, and the second direction is perpendicular to the first direction. For example, in the production and assembly of the battery module, when the end plate, the insulating cover and the like need to be positioned, the end plate or the insulating cover is positioned at the end part of the battery module in the length direction, the end plate or the insulating cover can be positioned at the end part of the battery module in the length direction through the first positioning mechanism, and then the end plate or the insulating cover is positioned from the height direction of the battery module through the second positioning mechanism, so that the end plate or the insulating cover can be accurately positioned at the end part of the battery module in the length direction, the subsequent laser side seam welding of the end plate or the insulating cover is facilitated, the laser side seam welding quality of the battery module is facilitated, and the production quality and the efficiency of the battery module are improved.

In some embodiments of the present application, the first positioning mechanism includes a first positioning member and a first driving member, the first positioning member is slidably connected to the bottom of the mounting seat along a first direction, the first driving member is disposed on the mounting seat, the first driving member is connected to the first positioning member, and the first driving member is configured to drive the first positioning member to move along the first direction relative to the mounting seat. The first positioning mechanism is driven by the first driving piece to move along the first direction relative to the mounting seat, so that the positioning piece to be positioned in the first direction is conveniently positioned by the positioning device.

In some embodiments of the present application, the first positioning member is connected to the bottom of the mounting base by a sliding assembly, the sliding assembly including a sliding guide extending in the first direction and disposed at the bottom of the mounting base, and a sliding member slidably fitted on the sliding guide, the sliding member being connected to the first positioning member. Through the sliding assembly formed by the matching of the sliding guide piece and the sliding piece, the stability of the first positioning piece sliding along the first direction relative to the mounting seat can be improved.

In some embodiments of the present application, the second positioning mechanism includes a second positioning element and a second driving mechanism, the second positioning element is distributed above the mounting seat, the second driving mechanism is disposed on the top of the mounting seat, and the second driving mechanism is connected to the second positioning element and configured to drive the second positioning element to move along the second direction relative to the mounting seat. The second driving mechanism drives the second positioning piece to move along the second direction relative to the mounting seat, so that the positioning device can conveniently position the positioning piece to be positioned in the second direction.

In some embodiments of the present application, the second driving mechanism includes a second driving element and a transmission assembly, the second driving element is disposed at the top of the mounting base, and the second driving element has an actuating end moving along a linear motion in a first direction, the transmission assembly connects the actuating end and the second positioning element, and the transmission assembly is configured to convert the linear motion of the actuating end along the first direction into a linear motion of the second positioning element along a second direction. Through setting up transmission assembly with the second driving piece for the mount pad along the linear motion of first direction convert the second setting element along for the mount pad along the linear motion of second direction, can improve the stability that positioner treated the setting element location in the second direction on the one hand, on the other hand, can reduce the holistic volume of second actuating mechanism and make positioner's structure compacter.

In some embodiments of the present application, the transmission assembly includes a connection frame, a first connection rod, a second connection rod, and a third connection rod, the connection frame is disposed on the top of the mounting seat, the connection frame has a first connection end and a second connection end that are distributed opposite to each other in a first direction, the second positioning member is slidably connected to the first connection end along a second direction, the first end of the first connection rod is hinged to the second connection end, the second end of the first connection rod, the first end of the second connection rod, and the actuation end are hinged together, the second end of the second connection rod is hinged to the first end of the third connection rod, and the second end of the third connection rod is connected to the second positioning member. When the action end of the second driving part moves towards the connecting frame along the first direction, the second end of the first connecting rod and the first end of the second connecting rod are driven to simultaneously move towards the connecting frame, at the moment, the linear distance between the first end of the first connecting rod and the second end of the second connecting rod is increased, the first end of the third connecting rod moves downwards relative to the connecting frame, the second end of the third connecting rod drives the second positioning part to move downwards along the first connecting end, when the second positioning part touches the part to be positioned, the third connecting rod, the second connecting rod, the first connecting rod and the action end stop moving instantly, so that the second positioning part is stably pressed on the part to be positioned, the positioning stability of the positioning device to be positioned on the positioning part in the second direction is improved, after the positioning is finished, the action end of the second driving part is far away from the connecting frame along the first direction, the second end of the first connecting rod and the first end of the second connecting rod are driven to be far away from the connecting frame synchronously, at the moment, the linear distance between the first end of the first connecting rod and the second end of the second connecting rod is shortened, the first end of the third connecting rod moves upwards relative to the connecting frame, the second end of the third connecting rod drives the second positioning piece to move upwards along the first connecting end, the second positioning piece is far away from the to-be-positioned piece along the second direction, and the unlocking positioning device positions the to-be-positioned piece in the second direction. Therefore, the transmission assembly comprising the connecting frame, the first connecting rod, the second connecting rod and the third connecting rod can conveniently convert the motion of the action end of the second driving piece along the first direction into the motion of the second positioning piece along the second direction, so that the positioning piece to be treated can be stably positioned in the second direction.

In some embodiments of the present application, the second connecting end is a connecting arm disposed at a side of the connecting frame near the actuating end, and the connecting arm extends in the first direction, and the first end of the first link is hinged to a free end of the connecting arm. Through setting up the second link to extend and be close to the linking arm of action end along first direction, can be convenient for first link and install on the link.

In some embodiments of this application, the first end of first connecting rod articulates in the second link through the pivot, and the first end of first connecting rod just has seted up along the length direction of first connecting rod with pivot complex bar hole. Because of set up the bar hole at the length direction of first connecting rod, so the pivot can be in the swing in the bar hole to can alleviate the wearing and tearing between pivot and the first connecting rod.

In some embodiments of the application, the first connecting end is a guide structure disposed on a side of the connecting frame away from the actuating end and extending along the second direction, the second positioning element is connected to the guide structure through a sliding portion, the sliding portion is slidably fitted on the guide structure, and the second positioning element is disposed on the sliding portion. Through setting up the guide structure who extends along the second direction in the one side of keeping away from the action end at the link, pass through sliding part sliding fit with the second setting element on guide structure, can be convenient for second setting element sliding connection on the link to can improve the second setting element and follow the gliding stability of second direction for the mount pad.

In some embodiments of the present application, the second positioning element includes a connecting portion and a positioning portion, the connecting portion is in an L-shaped structure, a first portion of the L-shaped structure is connected to the sliding portion, the first portion extends along the second direction, a second portion of the L-shaped structure extends along the first direction, a free end of the second portion is higher than a free end of the first portion, and the positioning portion is disposed at the free end of the second portion. The device that needs welding assembly such as considering battery module is bulky, through setting up connecting portion into L type structure, prolongs the distance of location portion to connecting portion, makes the second setting element be applicable to and carries out the location of second direction to the bulky setting element of treating.

An embodiment of the second aspect of the present application provides a battery assembling apparatus, which includes the positioning device in the above embodiment, and the positioning device is used for positioning an end plate, an insulating cover, and the like of a battery module.

The battery assembling device comprises a positioning device, wherein the positioning device comprises a mounting seat, a first positioning mechanism and a second positioning mechanism; the first positioning mechanism is arranged below the mounting seat and is configured to position the positioning part to be positioned in a first direction, the second positioning mechanism is arranged above the mounting seat and is configured to position the positioning part to be positioned in a second direction, and the second direction is perpendicular to the first direction. For example, in the production and assembly of the battery module, when the end plate, the insulating cover and the like need to be positioned, the end plate or the insulating cover is positioned at the end part of the battery module in the length direction, the end plate or the insulating cover can be positioned at the end part of the battery module in the length direction through the first positioning mechanism, and then the end plate or the insulating cover is positioned from the height direction of the battery module through the second positioning mechanism, so that the end plate or the insulating cover can be accurately positioned at the end part of the battery module in the length direction, the subsequent laser side seam welding of the end plate or the insulating cover is facilitated, the laser side seam welding quality of the battery module is facilitated, and the production quality and the efficiency of the battery module are improved.

Drawings

FIG. 1 is a schematic structural diagram of a positioning device according to some embodiments of the present application;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

fig. 4 is a partial view of fig. 2.

Description of reference numerals:

a positioning device 10;

the device comprises a mounting seat 11, a first positioning mechanism 12, a second positioning mechanism 13, a sliding assembly 14, a rotating shaft 15 and a sliding part 16;

a first positioning member 121, a second positioning member 131, a second driving mechanism 132;

a second drive member 1321, a drive assembly 1322;

the device comprises an action end 1321-1, a connecting frame 1322-1, a first connecting end 1322-1a, a second connecting end 1322-1b, a first connecting rod 1322-2, a second connecting rod 1322-3, a third connecting rod 1322-4 and a strip-shaped hole 1322-5;

connecting portion 1311, positioning portion 1312;

a first portion 1311-1, a second portion 1311-2;

a slide guide 141, a slide 142;

a first direction X, a second direction Y.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.

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 "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: there are three cases of A, A and B, and B. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

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

In the description of the embodiments of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of describing the embodiments of the present application and for the simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be configured and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Reference to a battery in the embodiments of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. In the battery, a plurality of battery cells can be arranged, and the plurality of battery cells can be connected in series or in parallel or in series-parallel, wherein the series-parallel refers to that the plurality of battery cells are connected in series or in parallel. The plurality of battery monomers can be directly connected in series or in parallel or in series-parallel, and the whole formed by the plurality of battery monomers is accommodated in the box body; of course, the battery may also be a battery module formed by connecting a plurality of battery cells in series, in parallel, or in series-parallel, and a plurality of battery modules are connected in series, in parallel, or in series-parallel to form a whole and accommodated in the case. The battery may further include other structures, for example, the battery may further include a bus member for achieving electrical connection between the plurality of battery cells. For example, the battery referred to in the present application may include a battery module or a battery pack, etc.

Wherein, each battery cell can be a secondary battery or a primary battery; but is not limited to, a lithium sulfur battery, a sodium ion battery, or a magnesium ion battery. In the present application, the battery cell may include a lithium ion secondary battery, a lithium ion primary battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiments of the present application. The battery cell can be in a cylinder, a flat body, a cuboid or other shapes.

The battery cell refers to the smallest unit constituting the battery. The battery cell comprises an end cover, a shell, a battery core component and other functional components. One or more electrical core assemblies may be contained within the housing of one cell.

The end cap refers to a member that covers an opening of the case to insulate the internal environment of the battery cell from the external environment. Without limitation, the shape of the end cap may be adapted to the shape of the housing to fit the housing. Optionally, the end cap may be made of a material (e.g., an aluminum alloy) having a certain hardness and strength, so that the end cap is not easily deformed when being extruded and collided, and thus, the single battery can have a higher structural strength, and the safety performance can be improved. The end cap may be provided with functional components such as electrode terminals. The electrode terminals may be used to electrically connect with the electric core assembly for outputting or inputting electric energy of the battery cells. In some embodiments, a pressure relief mechanism for relieving the internal pressure when the internal pressure or temperature of the battery cell reaches a threshold value may be further disposed on the end cap. The end cap may be made of various materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not limited in this embodiment. In some embodiments, insulation may also be provided on the inside of the end cap, which may be used to isolate the electrical connections within the housing from the end cap to reduce the risk of shorting. Illustratively, the insulator may be plastic, rubber, or the like.

The housing is an assembly for mating with end caps to form an internal environment of the battery cell, wherein the formed internal environment may be used to house the cell assembly, electrolyte, and other components. The housing and the end cap may be separate components, and an opening may be formed in the housing, and the opening may be covered by the end cap to form an internal environment of the battery cell. The end cap and the housing may be integrated, and specifically, the end cap and the housing may form a common connecting surface before other components are inserted into the housing, and when the interior of the housing needs to be sealed, the end cap covers the housing. The housing may be of various shapes and sizes, such as rectangular parallelepiped, cylindrical, hexagonal prism, etc. Specifically, the shape of the housing may be determined according to the specific shape and size of the electric core assembly. The material of the housing may be various, for example, copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not limited in this application.

The cell assembly is a component in which electrochemical reactions occur in the battery cells. One or more electrical core assemblies may be contained within the housing. The cell assembly is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is generally provided between the positive electrode sheet and the negative electrode sheet. The parts of the positive plate and the negative plate with the active materials form the main body part of the electric core assembly, and the parts of the positive plate and the negative plate without the active materials form the tabs respectively. The positive electrode tab and the negative electrode tab may be located at one end of the main body portion together or at both ends of the main body portion, respectively. During the charging and discharging process of the battery, the positive active material and the negative active material react with the electrolyte, and the tabs are connected with the electrode terminals to form a current loop.

The battery cell may be a cylinder, a flat body, a rectangular parallelepiped, or other shapes, which is not particularly limited in the embodiments of the present application. The battery cells are generally divided into three types in a packaging manner: cylindrical battery monomer, square battery monomer of square body and laminate polymer battery monomer, this application embodiment is also not limited to this. The battery cell in the embodiment of the present application may be used in an electric device such as a vehicle, a ship, or an aircraft, but is not limited thereto.

The battery module generally includes a plurality of battery monomer, the end plate, curb plate and insulating boot, a plurality of battery monomer are arranged along the length direction interval of battery module, two end plates are located battery module length direction's both ends, two curb plates are located battery module width direction's both ends, accessible welded connection is in the same place between end plate and the curb plate, the insulating boot is located between end plate and the battery monomer, an insulation for realizing between end plate and the battery monomer, reduce the risk that battery monomer and end plate take place the short circuit, the insulating boot generally adopts laser welding fixed.

In the production assembling process of the battery module, for the more compactness of the mechanical structure of the battery module and the convenient welding, the end plates, the insulating covers and the like of the battery module need to be positioned before the laser welding is carried out on the side seams. However, the inventor of the present application has noticed that the positioning mechanism in the related art can only position the positioning member (e.g., the end plate, the insulating cover, etc.) from a single direction, and the positioning accuracy is low, which affects the quality of laser side seam welding of the battery module, thereby reducing the production quality and efficiency of the battery module. Based on the above consideration, in order to solve the problem of low positioning accuracy of the positioning mechanism, the inventor has conducted extensive research and proposed a positioning device, in which the positioning device is positioned by matching the first positioning mechanism and the second positioning mechanism in two mutually perpendicular directions, so as to improve the positioning accuracy.

The positioning device disclosed by the embodiment of the application can be used in the production and assembly process of the battery module but not limited, and can also be matched with other equipment in the production and assembly process of the battery to improve the production and assembly efficiency of the battery.

In view of this, as shown in fig. 1 to 2, an embodiment of a first aspect of the present application provides a positioning device 10 for a battery, where the positioning device 10 includes: the device comprises a mounting seat 11, a first positioning mechanism 12 and a second positioning mechanism 13; the first positioning mechanism 12 is disposed below the mounting seat 11, and the first positioning mechanism 12 is configured to position the to-be-positioned member in the first direction X; the second positioning mechanism 13 is disposed above the mounting seat 11, and the second positioning mechanism 13 is configured to position the to-be-positioned element in a second direction Y, which is perpendicular to the first direction X.

The to-be-positioned piece refers to an object to be machined, which needs to be fixed in position in machining, for example, in the production and assembly process of a battery module, an end plate, an insulating cover and the like need to be positioned so as to facilitate subsequent machining operation. At this time, the end plate or the insulating cover can be used as the positioning part to be positioned.

The positioning device 10 refers to a device for fixing an object to be processed in a correct position to receive a processing or treatment process during a production process. For example, in the present application, the positioning means may be means for positioning the end plates, the insulating cover, and the like during the production assembly of the battery module.

The mounting seat 11 is a base structure for fixing the first positioning mechanism 12 and the second positioning mechanism 13, and may be a block structure or a plate structure.

The first positioning mechanism 12 is a device for positioning an object to be processed in the first direction X. For example, when welding end plates, insulating covers, and the like of the battery module, the first direction X may be a longitudinal direction of the battery module or a thickness direction of the end plates and the insulating covers.

The second positioning mechanism 13 is a device for positioning the object to be processed in the second direction Y. For example, when the end plates, the insulating covers, and the like of the battery module are welded, the second direction Y may be a height direction of the battery module or a height direction of the end plates, the insulating covers, and the like.

According to the embodiment of the application, the positioning device 10 comprises an installation seat 11, a first positioning mechanism 12 and a second positioning mechanism 13, wherein the first positioning mechanism 12 is arranged below the installation seat 11, the first positioning mechanism 12 is configured to position a to-be-positioned part in a first direction X, the second positioning mechanism 13 is arranged above the installation seat 11, the second positioning mechanism 13 is configured to position the to-be-positioned part in a second direction Y, and the second direction Y is perpendicular to the first direction X. For example, in the production and assembly of the battery module, when the end plate, the insulating cover and the like need to be positioned, the end plate or the insulating cover is positioned at the end part of the battery module in the length direction, the end plate or the insulating cover can be positioned at the end part of the battery module in the length direction through the first positioning mechanism 12, and then the end plate or the insulating cover is positioned from the height direction of the battery module through the second positioning mechanism 13, so that the end plate or the insulating cover can be accurately positioned at the end part of the battery module in the length direction, the subsequent laser side seam welding of the end plate or the insulating cover is facilitated, the laser side seam welding quality of the battery module is improved, and the production quality and the efficiency of the battery module are improved.

In some embodiments of the present application, as shown in fig. 1 to fig. 2, the first positioning mechanism 12 includes a first positioning member 121 and a first driving member (not shown in the drawings), the first positioning member 121 is slidably connected to the bottom of the mounting seat 11 along the first direction X, the first driving member is disposed on the mounting seat 11, the first driving member is connected to the first positioning member 121, and the first driving member is configured to drive the first positioning member 121 to move along the first direction X relative to the mounting seat 11.

The first positioning member 121 refers to a member for mechanically fixing or bonding two or more plate-like structures together, and is used for pressing and positioning the object to be processed in the first direction X.

The first driving member is a device for driving the first positioning member 121 to move in the first direction X. A linear driving mechanism such as a pneumatic cylinder, a hydraulic cylinder, etc. may be provided.

The first positioning mechanism 12 is driven by the first driving member to move along the first direction X relative to the mounting seat 11, so as to position the positioning element to be positioned in the first direction X of the positioning device 10.

In some embodiments of the present application, as shown in fig. 1 and 3, the first positioning member 121 is connected to the bottom of the mounting seat 11 through a sliding assembly 14, the sliding assembly 14 includes a sliding guide member 141 extending in the first direction X and disposed at the bottom of the mounting seat 11, and a sliding member 142 slidably fitted on the sliding guide member 141, and the sliding member 142 is connected to the first positioning member 121.

The sliding component 14 refers to a combination for making the first positioning member 121 slidable along the first direction X relative to the mounting seat 11. May include a first member and a second member that are a sliding fit with each other, the first member being attachable to one of the first retainer 121 and the mount 11, and the second member being attachable to the other of the first retainer 121 and the mount 11.

The slide guide 141 refers to a structure that slidably engages with the slider 142 and guides the movement of the slider 152 in the first direction X. It may be a rail structure or a groove structure, such as a sliding rail or a sliding groove, disposed on one of the first positioning member 121 and the mounting seat 120 and extending along the first direction X.

The slider 142 refers to a member that is slidably engaged with the slide guide 141 and is movable along the slide guide 141. It may be a block structure disposed on the other one of the first positioning member 121 and the mounting seat 120, and the block structure has a protrusion adapted to a slide rail or a slide groove, so that the sliding member 142 is connected to the sliding guide member 141 and can slide along the sliding guide member 141.

By providing the sliding assembly 14 composed of the cooperation of the sliding guide 141 and the sliding member 142, the stability of the first positioning member 121 sliding in the first direction X with respect to the mounting seat 11 can be improved.

In some embodiments of the present application, as shown in fig. 1, the second positioning mechanism 13 includes a second positioning member 131 and a second driving mechanism 132, the second positioning member 131 is distributed above the mounting base 11, the second driving mechanism 132 is disposed on the top of the mounting base 11, and the second driving mechanism 132 is connected to the second positioning member 131 and configured to drive the second positioning member 131 to move along the second direction Y relative to the mounting base 11.

The second positioning member 131 is a member for pressing and positioning the object to be processed in the second direction Y.

The second driving mechanism 132 is a device for driving the second positioning member 131 to move in the second direction Y.

The second driving mechanism 132 drives the second positioning element 131 to move along the second direction Y relative to the mounting base 11, so that the positioning device 10 can position the positioning element to be positioned in the second direction Y conveniently.

In some embodiments of the present application, as shown in fig. 1 to 2, the second driving mechanism 132 includes a second driving member 1321 and a transmission assembly 1322, the second driving member 1321 is disposed at the top of the mounting seat 11, the second driving member 1321 has an actuating end 1321-1 that reciprocates linearly along the first direction X, the transmission assembly 1322 connects the actuating end 1321-1 and the second positioning member 131, and the transmission assembly 1322 is configured to convert the linear motion of the actuating end 1321-1 along the first direction X into the linear motion of the second positioning member 131 along the second direction Y.

The second driving element 1321 refers to a device having an action end 1321-1 and capable of providing power for the action end 1321-1 to move along the first direction X, and the second driving element 1321 may be configured as a linear driving element, such as an air cylinder or a hydraulic cylinder.

The transmission component 1322 refers to a component which is located between the second driving member 1321 and the second positioning member 131 for transmission.

The actuating end 1321-1 refers to a movable end that moves under the power provided by the second driving member 1321, for example, a piston rod of a hydraulic cylinder or an air cylinder.

Through the transmission assembly 1322, the linear motion of the second driving element 1321 along the first direction X relative to the mounting seat 11 is converted into the linear motion of the second positioning element 131 along the second direction Y relative to the mounting seat 11, so that on one hand, the stability of the positioning device 10 for positioning the positioning element in the second direction Y can be improved, and on the other hand, the overall volume of the second driving mechanism 132 can be reduced, so that the structure of the positioning device 10 is more compact.

In some embodiments of the present application, as shown in fig. 1 to 4, the driving assembly 1322 includes a connecting frame 1322-1, a first connecting rod 1322-2, a second connecting rod 1322-3 and a third connecting rod 1322-4, the connecting frame 1322-1 is disposed at the top of the mounting seat 11, the connecting frame 1322-1 has a first connecting end 1322-1a and a second connecting end 1322-1b which are distributed opposite to each other in the first direction X, the second positioning member 131 is slidably connected to the first connecting end 1322-1a along the second direction Y, a first end of the first connecting rod 1322-2 is hinged to the second connecting end 1322-1b, a second end of the first connecting rod 1322-2, a first end of the second connecting rod 1322-3 and an actuating end 1321-1 are hinged together, a second end of the second connecting rod 1322-3 is hinged to a first end of the third connecting rod 1322-4, the second end of the third connecting rod 1322-4 is connected to the second positioning member 131.

The connecting frame 1322-1 is a structural member fixed on top of the mounting seat 11 and located between the second driving member 1321 and the second positioning member 131 for bearing. It may be provided as a combination of a first part fixedly connected to the mounting 11, a second part hingedly connected to the second driving member 1321 and a third part slidably connected to the second positioning member 131.

The first connection end 1322-1a refers to an end of the connection frame 1322-1 connected to the first connection rod 1322-2.

The second connection end 1322-1b refers to an end of the connection frame 1322-1 connected to the second positioning member 131.

The first link 1322-2 refers to a structural member connecting the frame 1322-1 and the second link 1322-3.

The second link 1322-3 refers to a structural member connecting the first link 1322-2 and the third link 1322-4.

The third connecting rod 1322-4 refers to a structural member connecting the second connecting rod 1322-3 and the second positioning member 131.

When the actuating end 1321-1 of the second driving member 1321 moves toward the connecting frame 1322-1 along the first direction X, the second end of the first connecting rod 1322-2 and the first end of the second connecting rod 1322-3 are driven to simultaneously move toward the connecting frame 1322-1, at this time, a linear distance between the first end of the first connecting rod 1322-2 and the second end of the second connecting rod 1322-3 is increased, the first end of the third connecting rod 1322-4 moves downward relative to the connecting frame 1322-1, the second end of the third connecting rod 1322-4 drives the second positioning member 131 to move downward along the first connecting end 1322-1a, when the second positioning member 131 touches the to-be-positioned member, the third connecting rod 1322-4, the second connecting rod 1322-3, the first connecting rod 1322-2 and the actuating end 1321-1 immediately stop moving, so that the second positioning member 131 is stably pressed against the to-be-positioned member, the stability of the positioning device 10 for positioning the positioning element to be positioned in the second direction Y is improved, after the positioning is completed, the actuating end 1321-1 of the second driving element 1321 is far away from the connecting frame 1322-1 along the first direction X, the second end of the first connecting rod 1322-2 and the first end of the second connecting rod 1322-3 are driven to be synchronously far away from the connecting frame 1322-1, at this time, the linear distance between the first end of the first connecting rod 1322-2 and the second end of the second connecting rod 1322-3 is shortened, the first end of the third connecting rod 1322-4 moves upward relative to the connecting frame 1322-1, the second end of the third connecting rod 1322-4 drives the second positioning element 131 to move upward along the first connecting end 1322-1a, the second positioning element 131 is far away from the positioning element to be positioned along the second direction Y, and the positioning element to be positioned by the positioning device 10 is unlocked. It can be seen that, by providing the transmission assembly 1322 comprising the connecting frame 1322-1, the first connecting rod 1322-2, the second connecting rod 1322-3 and the third connecting rod 1322-4, the movement of the actuating end 1321-1 of the second driving member 1321 along the first direction X can be conveniently converted into the movement of the second positioning member 131 along the second direction Y, so as to achieve the stable positioning of the to-be-positioned member in the second direction Y.

In some embodiments of the present application, as shown in fig. 3 to 4, the second connecting end 1322-1b is a connecting arm disposed at a side of the connecting frame 1322-1 close to the actuating end 1321-1, and the connecting arm 1322-1b extends in the first direction X, and the first end of the first connecting rod 1322-2 is hinged to a free end of the connecting arm 1322-1 b.

The connecting arm 1322-1b refers to a block structure in which the connecting frame 1322-1 extends toward the actuating end 1321-1 in the first direction X, and is provided with a mounting hole for hinging with the first link.

The installation of the first link 1322-2 on the link frame 1322-1 may be facilitated by providing the second connecting end 1322-1b as a link arm extending in the first direction X and adjacent to the actuating end 1321-1.

In some embodiments of the present application, as shown in fig. 3 to 4, the first end of the first link 1322-2 is hinged to the second connection end 1322-1b through a rotation shaft 15, and a strip-shaped hole 1322-5 matched with the rotation shaft 15 is formed in the first end of the first link 1322-2 and along the length direction of the first link 1322-2.

The rotation shaft 15 is a connection shaft passing through the bar hole 1322-5 for hinging the first end of the first connection rod 1322-2 with the second connection end 1322-1 b.

The strip-shaped hole 1322-5 is a strip-shaped installation hole adapted to the rotating shaft 15 and formed at the first end of the first connecting rod 1322-2 along the length direction of the first connecting rod 1322-2, and is used for penetrating the rotating shaft 15.

Because the strip-shaped hole 1322-2 is formed in the length direction of the first connecting rod 1322-2, the rotating shaft 15 can swing in the strip-shaped hole 1322-5, so that the abrasion between the rotating shaft 15 and the first connecting rod 1332-2 can be reduced.

In some embodiments of the present application, as shown in fig. 2 and 4, the first connecting end 1322-1a is a guide structure disposed at a side of the connecting frame 1322-1 away from the actuating end 1321-1 and extending along the second direction Y, the second positioning member 131 is connected to the guide structure through a sliding portion 16, the sliding portion 16 is slidably fitted on the guide structure, and the second positioning member 131 is disposed on the sliding portion 16.

The guide structure 1322-1a refers to a structure that slidably engages with the slide part 16 and guides the slide part 16 to move in the second direction Y. Which is configured as a groove structure, such as a sliding groove, extending along the second direction Y at a side of the connecting frame 1322-1 away from the actuating end 1321-1.

Slide 16 refers to a member that engages with guide structure 1322-1a and is movable along guide structure 1322-1 a. It may be configured as a block structure connected to the second positioning member 131, and the block structure has a protrusion adapted to the sliding slot, so that the sliding portion 16 is connected to the guiding structure 1322-1a and can slide along the guiding structure 1322-1 a.

By providing the guide structure extending along the second direction Y on the side of the connecting frame 1322-1 away from the actuating end 1321-1, and slidably fitting the second positioning element 131 on the guide structure through the sliding portion 16, the second positioning element 131 can be slidably connected to the connecting frame 1322-1, and the stability of the second positioning element 131 sliding along the second direction Y with respect to the mounting seat 11 can be improved.

In some embodiments of the present application, as shown in fig. 1 to 2, second positioning member 131 includes a connection portion 1311 and a positioning portion 1312, connection portion 1311 is of an L-shaped structure, first portion 1311-1 of the L-shaped structure is connected to sliding portion 16, first portion 1311-1 extends along second direction Y, second portion 1311-2 of the L-shaped structure extends along first direction X, a free end of second portion 1311-2 is higher than a free end of first portion 1311-1, and positioning portion 1312 is disposed at a free end of second portion 1311-2.

The connection part 1311 refers to a portion of the second positioning member 131 for connection with an external member, such as the second end of the slide part 16 or the third link 1322-4.

The positioning portion 1312 refers to a portion of the second positioning member 131 for positioning the to-be-positioned member. Positioning portion 1312 and connecting portion 1311 may be an integrally formed structure, and may be an assembly of parts connected to each other.

First portion 1311-1 refers to a portion of connecting portion 1312 extending in second direction Y so that second positioning member 131 connects sliding portion 16 and the second end of third link 1322-4.

Second portion 1311-2 refers to a portion where connection portions 1312 extend in second direction X, for connecting positioning portions 1312.

The free end of the first portion refers to an end of the first portion 1311-1 connected to the second ends of the slider 16 and the second link 1322-4.

The free end of second portion refers to the end of second portion 1311-2 that connects with locating portion 1312.

Considering that the devices such as the battery module requiring welding assembly have a large volume, the second positioning member 131 is suitable for positioning the large-volume member to be positioned in the second direction Y by setting the connection portion 1311 to have an L-shaped structure and extending the distance from the positioning portion 1312 to the connection portion 1311.

According to some embodiments of the present application, referring to fig. 1 and 2, the present application provides a positioning device 10 for a battery, the positioning device 10 including a mounting base 11, a first positioning mechanism 12 and a second positioning mechanism 13; the first positioning mechanism 12 includes a first positioning member 121 and a first driving member (not shown in the figure), the first positioning member 121 is slidably connected to the bottom of the mounting seat 11 along the first direction X, the first driving member is disposed on the mounting seat 11, the first driving member is connected to the first positioning member 121, and the first driving member is configured to drive the first positioning member 121 to move along the first direction X relative to the mounting seat 11; the second positioning mechanism 13 includes a second positioning member 131 and a second driving mechanism 132, the second positioning member 131 is distributed above the mounting seat 11, the second driving mechanism 132 is disposed on the top of the mounting seat 11, and the second driving mechanism 132 is connected to the second positioning member 131 and configured to drive the second positioning member 131 to move along the second direction Y relative to the mounting seat 11.

When the positioning element is to be positioned, for example, in the production and assembly of the battery module, when the end plate, the insulating cover and the like need to be positioned, the end plate or the insulating cover is positioned at the end part of the length direction of the battery module, the first positioning element 121 can be driven by the first driving element to slide along the first direction X, the end plate or the insulating cover is positioned at the end part of the length direction of the battery module, and then the second positioning element 131 is driven by the second driving mechanism 132 to position the end plate or the insulating cover from the height direction of the battery module, so that the end plate or the insulating cover can be accurately positioned at the end part of the length direction of the battery module, the subsequent laser side seam welding of the end plate or the insulating cover is facilitated, the laser side seam welding quality of the battery module is facilitated to be improved, and the production quality and efficiency of the battery module are improved.

An embodiment of the second aspect of the present application provides a battery assembling apparatus, which includes the positioning apparatus 10 in the above-described embodiment, and the positioning apparatus 10 is used for positioning an end plate, an insulating cover, and the like of a battery module.

The number of the positioning devices 10 may be one or more, and may be set as required.

The battery assembling device in the embodiment of the application comprises a positioning device 10, wherein the positioning device 10 comprises a mounting seat 11, a first positioning mechanism 12 and a second positioning mechanism 13; the first positioning mechanism 12 is disposed below the mounting seat 11, the first positioning mechanism 12 is configured to position the to-be-positioned element in a first direction X, the second positioning mechanism 13 is disposed above the mounting seat 11, and the second positioning mechanism 13 is configured to position the to-be-positioned element in a second direction Y, which is perpendicular to the first direction X. For example, in the production and assembly of the battery module, when the end plate, the insulating cover and the like need to be positioned, the end plate or the insulating cover is positioned at the end part of the battery module in the length direction, the end plate or the insulating cover can be positioned at the end part of the battery module in the length direction through the first positioning mechanism 12, and then the end plate or the insulating cover is positioned from the height direction of the battery module through the second positioning mechanism 13, so that the end plate or the insulating cover can be accurately positioned at the end part of the battery module in the length direction, the subsequent laser side seam welding of the end plate or the insulating cover is facilitated, the laser side seam welding quality of the battery module is improved, and the production quality and the efficiency of the battery module are improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims

1. A positioning device (10) for a battery, comprising:

a mounting seat (11);

a first positioning mechanism (12) arranged below the mounting seat (11), the first positioning mechanism (12) being configured to position a to-be-positioned element in a first direction (X);

the second positioning mechanism (13) is arranged above the mounting seat (11), the second positioning mechanism (13) is configured to position the to-be-positioned part in a second direction (Y), and the second direction (Y) is perpendicular to the first direction (X).

2. The positioning device of claim 1, wherein: the first positioning mechanism (12) comprises a first positioning piece (121) and a first driving piece, the first positioning piece (121) is connected to the bottom of the mounting seat (11) in a sliding mode along the first direction (X), the first driving piece is arranged on the mounting seat (11), the first driving piece is connected with the first positioning piece (121), and the first driving piece is configured to drive the first positioning piece (121) to move along the first direction (X) relative to the mounting seat (11).

3. The positioning device according to claim 2, characterized in that said first positioning element (121) is connected to the bottom of said mounting seat (11) by means of a sliding assembly (14), said sliding assembly (14) comprising a sliding guide (141) extending in said first direction (X) and arranged at the bottom of said mounting seat (11), and a sliding element (142) slidingly engaged on said sliding guide (141), said sliding element (142) being connected to said first positioning element (121).

4. A positioning device according to any one of claims 1-3, characterized in that the second positioning mechanism (13) comprises a second positioning member (131) and a second driving mechanism (132), the second positioning member (131) being distributed above the mounting seat (11), the second driving mechanism (132) being arranged on top of the mounting seat (11), the second driving mechanism (132) being connected to the second positioning member (131) and being configured to drive the second positioning member (131) to move relative to the mounting seat (11) in the second direction (Y).

5. The positioning device according to claim 4, wherein the second driving mechanism (132) comprises a second driving member (1321) and a transmission assembly (1322), the second driving member (1321) is disposed on the top of the mounting seat (11), and the second driving member (1321) has an actuating end (1321-1) moving linearly along the first direction (X), the transmission assembly (1322) connects the actuating end (1321-1) and the second positioning member (131), and the transmission assembly (1322) is configured to convert the linear movement of the actuating end (1321-1) along the first direction (X) into the linear movement of the second positioning member (131) along the second direction (Y).

6. The positioning device according to claim 5, wherein the transmission assembly (1322) comprises a connecting frame (1322-1), a first connecting rod (1322-2), a second connecting rod (1322-3) and a third connecting rod (1322-4), the connecting frame (1322-1) is disposed at the top of the mounting seat (11), the connecting frame (1322-1) has a first connecting end (1322-1a) and a second connecting end (1322-1b) distributed opposite to each other in the first direction (X), the second positioning member (131) is slidably connected to the first connecting end (1322-1a) along the second direction (Y), the first end of the first connecting rod (1322-2) is hinged to the second connecting end (1322-1b), and the second end of the first connecting rod (1322-2), The first end of the second connecting rod (1322-3) and the action end (1321-1) are hinged together, the second end of the second connecting rod (1322-3) is hinged with the first end of the third connecting rod (1322-4), and the second end of the third connecting rod (1322-4) is connected with the second positioning piece (131).

7. The positioning device according to claim 6, wherein the second connecting end (1322-1b) is a connecting arm disposed at a side of the connecting frame (1322-1) adjacent to the actuating end (1321-1), and the connecting arm extends along the first direction (X), and the first end of the first link (1322-2) is hinged to a free end of the connecting arm.

8. The positioning device according to claim 6 or 7, wherein the first end of the first connecting rod (1322-2) is hinged to the second connecting end (1322-1b) through a rotating shaft (15), and a strip-shaped hole (1322-5) matched with the rotating shaft (15) is formed in the first end of the first connecting rod (1322-2) and along the length direction of the first connecting rod (1322-2).

9. The positioning device according to claim 6, wherein the first connecting end (1322-1a) is a guide structure disposed on a side of the connecting frame (1322-1) remote from the actuating end (1321-1) and extending in the second direction (Y), the second positioning member (131) is connected to the guide structure by a sliding portion (16), the sliding portion (16) is slidably fitted to the guide structure, and the second positioning member (131) is disposed on the sliding portion (16).

10. A positioning device according to claim 9, characterized in that the second positioning member (131) comprises a connecting portion (1311) and a positioning portion (1312), the connecting portion (1311) being of an L-shaped configuration, a first portion (1311-1) of the L-shaped configuration being connected to the sliding portion (16) and the first portion (1311-1) extending in the second direction (Y), a second portion (1311-2) of the L-shaped configuration extending in the first direction (X), the free end of the second portion (1311-2) being higher than the free end of the first portion (1311-1), the positioning portion (1312) being arranged at the free end of the second portion (1311-2).

11. A battery mounting device, characterized by comprising a positioning device (10) according to any one of claims 1 to 10.