CN221009005U

CN221009005U - Battery module assembling device

Info

Publication number: CN221009005U
Application number: CN202322845574.6U
Authority: CN
Inventors: 王益荣
Original assignee: Guangdong Huitian Aerospace Technology Co Ltd
Current assignee: Guangdong Huitian Aerospace Technology Co Ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-24
Anticipated expiration: 2033-10-23

Abstract

The application relates to a battery module assembly device. The battery module assembly device includes: the base is respectively arranged on the first positioning tool, the second positioning tool, the reference plate and the pressing tool on the base; the first positioning tool comprises a positioning plate arranged at one end of the reference plate, the second positioning tools are respectively arranged at the two opposite sides of the reference plate and are used for bearing a liquid cooling pipe, and the compaction tool is arranged at one side, far away from the positioning plate, of the reference plate; the pressing tool comprises a driving device and a pressing plate which is arranged opposite to the positioning plate, and the driving device is used for driving the pressing plate to be close to or far away from the positioning plate so as to press the battery cell and the liquid cooling tube. The scheme provided by the application can improve the volume utilization rate in the battery pack, the positioning accuracy of the battery core and the liquid cooling tube and the integrated assembly efficiency.

Description

Battery module assembling device

Technical Field

The application relates to the technical field of batteries, in particular to a battery module assembly device.

Background

With the development of new energy automobile industry, the demand of the power battery is also increased, so that the production requirement on the power battery is also increased. The battery pack is a power module of a new energy automobile, and the battery module is a core component of the battery pack and consists of several to hundreds of electric cores which are connected in parallel and in series.

In the related art, a cylindrical battery cell module directly uses a fixed bracket structure to position and assemble the battery cell and the liquid cooling tube during integrated assembly, the bracket structure is not taken out from a battery pack after assembly, and the volume utilization rate in the battery pack is reduced; secondly, the overall dimensional tolerance of the fixing support and the dimensional tolerance of the internal positioning hole can cause positioning deviation after the cylindrical battery cell is integrally assembled; finally, in the manufacturing process, the multi-layer assembly, tightening installation and partial disassembly of the fixing bracket require more manual procedures.

Disclosure of utility model

In order to solve or partially solve the problems existing in the related art, the application provides a battery module assembly device which can improve the volume utilization rate in a battery pack, the positioning accuracy of a battery core and a liquid cooling tube and the integrated assembly efficiency.

The application provides a battery module assembly device, comprising: the base is respectively arranged on the first positioning tool, the second positioning tool, the reference plate and the pressing tool on the base;

The first positioning tool comprises a positioning plate arranged at one end of the reference plate, the second positioning tools are respectively arranged at the two opposite sides of the reference plate and are used for bearing a liquid cooling pipe, and the compaction tool is arranged at one side, far away from the positioning plate, of the reference plate;

the pressing tool comprises a driving device and a pressing plate which is arranged opposite to the positioning plate, and the driving device is used for driving the pressing plate to be close to or far away from the positioning plate so as to press the battery cell and the liquid cooling tube.

Further, the first positioning tool further comprises a first positioning piece and a second positioning piece, the first positioning piece is arranged at the upper end of the positioning plate, the second positioning piece is arranged at the lower end of the positioning plate, the first positioning piece is used for being clamped with the upper side of the liquid cooling pipe, and the second positioning piece is used for being clamped with the lower side of the liquid cooling pipe.

Further, the first positioning tool further comprises a supporting piece, the positioning plate is fixed on the base through the supporting piece, and the first positioning piece is connected with the supporting piece.

Furthermore, the reference plate is provided with a positioning groove and/or the reference plate is provided with a glue overflow groove.

Furthermore, one end of the pressing plate is provided with an empty avoiding groove, and an interface on the liquid cooling pipe can extend into the empty avoiding groove;

The compaction tool further comprises a cover plate detachably connected with the pressing plate, the cover plate covers the empty avoidance groove when being connected with the pressing plate, and the pressing plate abuts against an interface on the liquid cooling pipe through the cover plate.

Further, the pressing tool further comprises a bracket which is in sliding connection with the base, and the pressing plate is connected with the driving device through the bracket;

The compaction tool further comprises a pressure sensor arranged between the bracket and the driving device;

the driving device is an air cylinder, an electric screw rod mechanism or a hand screw rod mechanism.

Further, the battery module assembling device further comprises a positioning combination tool, the positioning combination tool comprises two pressing parts which are oppositely arranged and a limiting part which is located between the two pressing parts, the limiting part and the two pressing parts form a pressing cavity, limiting grooves are formed in two ends of the limiting part, the limiting grooves are located in the pressing cavity, and the pressing part is detachably connected with the limiting part.

Further, a locating pin is arranged at the bottom of the pressing cavity on the limiting piece, and/or a glue overflow groove communicated with the pressing cavity is formed in the side wall of the pressing piece.

Further, the pressing piece is located on a pressing surface with wavy surface on one side of the pressing cavity.

Furthermore, the surface of the locating plate facing the pressing plate and the surface of the pressing plate facing the locating plate are wavy pressing surfaces.

The technical scheme provided by the application can comprise the following beneficial effects: through the locating plate to the battery package outside the liquid cooling pipe spacing, through benchmark board bearing electric core bottom, guarantee horizontal alignment, remove through drive arrangement drive clamp plate, each layer of liquid cooling pipe and electric core of layer by layer, accessible sticky fixation between electric core and the liquid cooling pipe, compress tightly the tip of in-process second location frock bearing liquid cooling pipe, guarantee liquid cooling pipe positioning accuracy, consequently, adopt above-mentioned battery module assembly device assembled battery module can improve the positioning accuracy of electric core and liquid cooling pipe, need not set up the fixed bolster in the battery package to electric core and liquid cooling pipe location and assembly, thereby can improve the volume utilization ratio in the battery package, also need not the manual work to assemble electric core and liquid cooling pipe on the fixed bolster, and then can improve integrated assembly efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a schematic view illustrating a structure of a battery module assembly device according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of a platen and a cover plate shown in an embodiment of the present application;

FIG. 4 is a schematic view of the platen and support shown in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a positioning assembly tool according to an embodiment of the present application;

FIG. 6 is another schematic structural view of a positioning assembly tool according to an embodiment of the present application;

Fig. 7 is a schematic view of a battery module assembly device and a battery pack according to an embodiment of the present application.

Reference numerals:

1-a base, wherein the base is provided with a plurality of grooves,

2-A first positioning tool, 21-a positioning plate, 22-a first positioning piece, 23-a second positioning piece, 24-a supporting piece,

3-A second positioning tool, 4-a reference plate, 41-a glue overflow groove,

5-Compaction tooling, 51-driving device, 52-pressing plate, 521-void-avoiding groove, 53-covering plate, 54-bracket, 55-pressure sensor,

6-Liquid cooling tube, 7-electric core,

8-Positioning combined tool, 81-pressing piece, 812-glue overflow groove, 82-limiting piece, 821-limiting groove and 83-positioning pin.

Detailed Description

Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In view of the above problems, embodiments of the present application provide a battery module assembly device, which can improve the volume utilization rate in a battery pack, the positioning accuracy of a battery core and a liquid cooling tube, and the integration assembly efficiency.

The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, an embodiment of the application provides a battery module assembly device, which comprises a base 1, a first positioning tool 2, a second positioning tool 3, a reference plate 4 and a pressing tool 5 which are respectively arranged on the base 1.

Wherein, first location frock 2 is including locating the locating plate 21 of locating the 4 one end of datum plate, and the relative both sides of datum plate 4 are equipped with second location frock 3 respectively, and second location frock 3 is used for accepting liquid cold pipe 6, compresses tightly frock 5 and is located the datum plate 4 and keep away from the one side of locating plate 21.

The pressing tool 5 comprises a driving device 51 and a pressing plate 52 which is arranged opposite to the positioning plate 21, wherein the driving device 51 is used for driving the pressing plate 52 to be close to or far away from the positioning plate 21 so as to press the battery cell 7 and the liquid cooling tube 6.

Based on the above scheme, it is spacing to a liquid cooling pipe 6 in battery package outside through locating plate 21, through reference plate 4 bearing electric core 7 bottom, guarantee horizontal alignment, move through drive arrangement 51 drive clamp plate 52, laminate each layer liquid cooling pipe 6 and electric core 7 by layer, accessible sticky between electric core 7 and the liquid cooling pipe 6 is fixed, compress tightly the tip of liquid cooling pipe 6 is accepted to in-process second location frock 3, guarantee liquid cooling pipe 6 positioning accuracy, therefore can improve electric core 7 and liquid cooling pipe 6 positioning accuracy when adopting above-mentioned battery module assembly device to assemble battery module, need not set up the fixed bolster in the battery package and to electric core 7 and liquid cooling pipe 6 location and assembly, thereby can improve the volume utilization ratio in the battery package, also need not the manual work to assemble electric core 7 and liquid cooling pipe 6 on the fixed bolster, and then can improve integrated assembly efficiency.

Specifically, in the illustration, the Z axis represents the upper and lower direction, the XY plane is the horizontal plane, X, Y and three directions of Z are orthogonal, and the upper end of second location frock 3 is L shape for the bottom surface of bearing liquid cold pipe 6 tip, and restriction liquid cold pipe 6 removes in the Y direction, and second location frock 3 is arranged along the X direction. The upper surface of the reference plate 4 is a reference surface in the horizontal direction, and the bottom of the battery cell 7 is positioned on the reference surface, so that the alignment of the battery cell 7 in the vertical direction is ensured. The positioning plate 21 and the pressing plate 52 are each arranged in the Y direction, and the driving device 51 drives the pressing plate 52 to move in the X direction. In assembly, a liquid cooling tube 6 is placed on a positioning plate 21 for positioning, then a row of electric cores 7 are placed in the Y direction and attached to the liquid cooling tube 6, the electric cores 7 and the liquid cooling tube 6 are compressed by a pressing plate 52, then another liquid cooling tube 6 is placed on the other side of the electric cores 7 for compression, and so on until the whole battery pack is assembled, and the battery pack shown in fig. 7 is formed. The battery cell 7 and the liquid cooling tube 6 can be fixed by adopting the modes of glue dripping or gluing and the like.

In an embodiment, as shown in fig. 1 and fig. 2, the first positioning tool 2 further includes a first positioning member 22 and a second positioning member 23, where the first positioning member 22 is disposed at an upper end of the positioning plate 21, the second positioning member 23 is disposed at a lower end of the positioning plate 21, the first positioning member 22 is used to be clamped to an upper side of the liquid cooling tube 6, and the second positioning member 23 is used to be clamped to a lower side of the liquid cooling tube 6, so that displacement of the first liquid cooling tube 6 placed on the positioning plate 21 in the Z direction and the X direction can be limited, and positioning accuracy is ensured.

In an embodiment, as shown in fig. 1 and 2, the first positioning tool 2 further includes a support 24, the positioning plate 21 is fixed on the base 1 through the support 24, and the first positioning member 22 is connected with the support 24. Specifically, the supporting member 24 is connected with the base 1 through a bolt, the positioning plate 21 is connected with the supporting member 24 through a bolt, the first positioning member 22 is detachably arranged on the supporting member 24 through a bolt, and the second positioning member 23 is arranged at the lower end of the positioning plate 21 through a bolt. The first positioning member 22 may be mounted on the support member 24 after the first liquid cooling tube 6 is placed.

In one embodiment, as shown in fig. 1 and 2, the reference plate 4 is provided with a positioning groove (not shown), and the positioning groove may be matched with the bottom shape of the battery cell 7, for example, a circular positioning groove is provided and matched with the shape of a cylindrical battery cell, so as to position the battery cell 7.

In an embodiment, as shown in fig. 1 and 2, in order to prevent the cell 7 from adhering to the reference plate 4 after being integrally assembled, the reference plate 4 is provided with a glue overflow groove 41, and glue solution can fall from the glue overflow groove 41 to leak out, so that the cell 7 cannot be adhered to the reference plate 4.

In an embodiment, as shown in fig. 3 and 4, an empty-avoiding groove 521 is formed at one end of the platen 52, and the interface on the liquid cooling tube 6 can extend into the empty-avoiding groove 521, so that the interface on the liquid cooling tube 6 can be avoided when the platen 52 compresses the liquid cooling tube 6, and the surface of the platen 52 is attached to the liquid cooling tube 6.

The pressing tool 5 further comprises a cover plate 53 detachably connected with the pressing plate 52, the cover plate 53 covers the empty-avoiding groove 521 when being connected with the pressing plate 52, and the pressing plate 52 abuts against the interface on the liquid cooling pipe 6 through the cover plate 53. In this way, after the liquid cooling plates are compressed, the interfaces on the liquid cooling pipes 6 can be compressed through the cover plate 53, so that the interfaces of the adjacent liquid cooling pipes 6 are connected without being manually connected.

In an embodiment, as shown in fig. 1 to 4, the pressing tool 5 further includes a bracket 54 slidably connected to the base 1, and the pressing plate 52 is connected to the driving device 51 through the bracket 54. Specifically, the support 54 may be slidably connected to the base 1 through a sliding rail, and the driving device 51 drives the support 54 to move on the base 1 along a straight line where the X direction is located, so as to drive the pressing plate 52 to approach or separate from the positioning plate 21.

In an embodiment, the pressing tool 5 further includes a pressure sensor 55 disposed between the support 54 and the driving device 51, the pressure of the pressing plate 52 on the battery core 7 and the liquid cooling tube 6 can be measured by the pressure sensor 55, the driving device 51 has a function of stroke control, when the pressure detected by the pressure sensor 55 reaches a preset value, the driving device 51 stops driving the pressing plate 52 to move toward the positioning plate 21, and the stroke control component of the driving device 51 and the pressure sensor 55 can accurately control the dimension and monitor the pressure in the integrated assembly process, so as to prevent the battery core 7 or the liquid cooling tube 6 from being crushed.

Specifically, the driving device 51 may be an air cylinder, an electric screw mechanism or a hand screw mechanism, and has a stroke control function.

In an embodiment, as shown in fig. 5 and 6, the battery module assembling device further includes a positioning assembly fixture 8, where the positioning assembly fixture 8 includes two pressing members 81 that are oppositely disposed, and a limiting member 82 that is located between the two pressing members 81, the limiting member 82 and the two pressing members 81 form a pressing chamber, two ends of the limiting member 82 are provided with limiting grooves 821, the limiting grooves 821 are located in the pressing chamber, and the pressing member 81 is detachably connected with the limiting member 82.

Specifically, the positioning combination tool 8 is used for assembling and forming two rows of electric cores 7 and the liquid cooling pipe 6 between the two rows of electric cores 7 to form the two rows of electric cores 7, and then the two rows of electric cores 7 are integrally placed on the reference plate 4 for press fit assembly, so that the assembly efficiency is improved. When the positioning combination tool 8 is used, two ends of the liquid cooling pipe 6 are clamped into the limiting grooves 821 to be limited, then two rows of electric cores 7 are placed on two sides of the liquid cooling pipe 6, the pressing pieces 81 are fastened with the limiting pieces 82, the electric cores 7 are extruded by the two pressing pieces 81, the electric cores 7 and the liquid cooling pipe 6 can be fixed in a glue dripping or gluing mode, the electric cores 7 and the liquid cooling pipe 6 between the electric cores can be taken out after being fixed, and the electric cores are placed on the reference plate 4 to be assembled with other liquid cooling pipes 6 and the electric cores 7 in a pressing mode, so that the assembly efficiency is improved.

In an embodiment, as shown in fig. 5 and 6, the locating pins 83 are disposed at the bottom of the pressing chamber on the locating piece 82, the locating pins 83 are used for locating the liquid cooling tube 6, and the locating pins 83 on the two locating pieces 82 are located at two sides of the liquid cooling tube 6, so that locating is performed from two sides of the liquid cooling tube 6.

In an embodiment, the side wall of the pressing member 81 is provided with a glue overflow groove 812 communicated with the pressing chamber, and glue on the battery cell 7 and the liquid cooling tube 6 can flow out of the glue overflow groove 812, so that the battery cell 7 and the pressing member 81 are prevented from being adhered and difficult to be removed.

In one embodiment, as shown in fig. 5 and 6, the surface of the pressing member 81 located at one side of the pressing chamber is a wavy pressing surface, and the pressing surface is a profiling surface adapted to the cylindrical battery core, so that the cylindrical battery core can be limited, and the liquid cooling tube 6 can be further shaped and positioned. The relative positions of the liquid cooling tube 6 and the cylindrical battery cell can be accurately guaranteed through the limiting groove 821, the locating pin 83 and the wavy pressing surface, and the positioning of the cylindrical battery cell and the liquid cooling tube 6 is more accurate.

In an embodiment, as shown in fig. 1 and 2, a side surface of the positioning plate 21 facing the pressing plate 52 and a side surface of the pressing plate 52 facing the positioning plate 21 are both wavy press surfaces, so that the battery cell 7 and the liquid cooling tube 6 can be limited by using a contoured press surface when the battery cell 7 and the liquid cooling tube 6 are pressed, and further correction and positioning can be performed on the liquid cooling tube 6.

In an embodiment, the battery module assembling device can be further provided with a lifting and overturning mechanism, so that the base 1 can be lifted and overturned, and the manual or machine equipment can be used for step-by-step overturning and integrated assembly when the product is large or heavy. The battery module can be taken out from the reference plate 4 by using a sucking disc or a lifting tool and put into a battery pack.

The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided and pruned according to actual needs.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A battery module assembling apparatus, comprising: the base is respectively arranged on the first positioning tool, the second positioning tool, the reference plate and the pressing tool on the base;

2. The battery module assembly device according to claim 1, wherein:

The first positioning tool further comprises a first positioning piece and a second positioning piece, wherein the first positioning piece is arranged at the upper end of the positioning plate, the second positioning piece is arranged at the lower end of the positioning plate, the first positioning piece is used for clamping the upper side of the liquid cooling pipe, and the second positioning piece is used for clamping the lower side of the liquid cooling pipe.

3. The battery module assembly device according to claim 2, wherein:

The first positioning tool further comprises a supporting piece, the positioning plate is fixed on the base through the supporting piece, and the first positioning piece is connected with the supporting piece.

4. The battery module assembly device according to claim 1, wherein:

And the reference plate is provided with a positioning groove and/or a glue overflow groove.

5. The battery module assembly device according to claim 1, wherein:

one end of the pressing plate is provided with an empty avoiding groove, and an interface on the liquid cooling pipe can extend into the empty avoiding groove;

6. The battery module assembly device according to claim 1, wherein:

The pressing tool further comprises a bracket which is in sliding connection with the base, and the pressing plate is connected with the driving device through the bracket;

7. The battery module assembly device according to claim 1, wherein:

Still include location combination frock, location combination frock includes two pressfitting spare that set up relatively and be located two locating part between the pressfitting spare, locating part and two the pressfitting spare forms the pressfitting cavity, the both ends of locating part are equipped with the spacing groove, the spacing groove is located the pressfitting cavity, the pressfitting part with the connection can be dismantled to the locating part.

8. The battery module assembly device according to claim 7, wherein:

And the limiting piece is positioned at the bottom of the pressing cavity and is provided with a locating pin, and/or the side wall of the pressing piece is provided with a glue overflow groove communicated with the pressing cavity.

9. The battery module assembly device according to claim 7, wherein:

the surface of the pressing piece, which is positioned at one side of the pressing cavity, is a wavy pressing surface.

10. The battery module assembly device according to claim 1, wherein:

The locating plate faces to one side surface of the pressing plate, and one side surface of the pressing plate faces to the locating plate is a wavy pressing surface.