CN221080084U - Battery module clamping device and battery production system - Google Patents

Abstract

The application relates to a battery module clamping device and a battery production system. The battery module clamping device is used for clamping a battery module, the battery module comprises a module frame and at least one battery cell connected with the module frame, at least one side face of the module frame is provided with a plug hole, wherein the battery module clamping device comprises a first clamping mechanism and a second clamping mechanism, the first clamping mechanism is provided with a first clamping piece, the second clamping mechanism is provided with a second clamping piece, and at least one of the first clamping piece and the second clamping piece is configured to move along a first direction and is used for jointly clamping the battery module; at least one of the first clamping piece and the second clamping piece is provided with a plug-in protrusion, the plug-in protrusion is configured to be plugged in the plug-in hole and used for positioning the battery module, and the first direction is the length direction or the width direction of the battery module. According to the battery module clamping device, appearance detection of the battery module is facilitated.

Description

Battery module clamping device and battery production system

Technical Field

The application relates to the technical field of battery production equipment, in particular to a battery module clamping device and a battery production system.

Background

In the prior art, a clamping device is generally used to clamp a battery module so as to turn over or carry the battery module. In the clamping process of the battery module, part of the clamping device is required to be abutted against a plurality of sides of the battery module so as to achieve the effect of clamping and fixing the battery module. However, the portion of the clamping device, which is abutted against the battery module, shields a part of the battery module, and influences the appearance detection of the battery module in the overturning or carrying process.

Disclosure of utility model

In view of the drawbacks of the prior art, an object of the present application is to provide a battery module clamping device and a battery production system, which can effectively solve the problems that the battery module is easily blocked and the appearance detection is affected when the battery module is clamped.

The first aspect of the application discloses a battery module clamping device for clamping a battery module, the battery module comprises a module frame and at least one battery cell connected with the module frame, at least one side surface of the module frame is provided with a plug hole, wherein the battery module clamping device comprises:

The first clamping mechanism is provided with a first clamping piece;

A second clamping mechanism provided with a second clamping member, at least one of the first clamping member and the second clamping member being configured to be movable in a first direction and for commonly clamping the battery module;

Wherein, at least one of first holder and second holder is equipped with the grafting arch, and the grafting arch is configured to be used for pegging graft in the spliced eye and is used for the location battery module, and the grafting arch includes the plug connector and overlaps the outside guard piece of locating the plug connector, and the coefficient of friction of guard piece is less than the coefficient of friction of plug connector, and the guard piece is configured to be used for pressing from both sides between the inner wall surface of plug connector and spliced eye, and first direction is the length direction or the width direction of battery module.

According to the battery module clamping device, the first clamping piece and the second clamping piece are moved relatively to be used for jointly clamping the battery module, at least one of the first clamping piece and the second clamping piece is matched with the plugging hole of the battery module through the plugging protrusion, and the phenomenon that the battery module rotates or slides after being clamped can be reduced due to the fact that the plugging protrusion is plugged in the plugging hole, so that the effect of clamping and positioning the battery module is achieved by the fact that at least one of the first clamping piece and the second clamping piece is matched with one side face of the battery module, shielding of other side faces of the battery module is reduced, and appearance detection of the battery module is facilitated in the clamping process of the battery module. Meanwhile, the protection piece is sleeved outside the plug connector, and friction is generated between the protection piece and the inner wall surface of the plug connector in the process of plugging the plug connector through the plug connector protrusion.

In some embodiments of the application, the mating protrusion is configured for an interference fit with the mating hole.

The plug-in bulges are in interference fit with the plug-in holes, so that the plug-in bulges are connected with the plug-in holes stably, the battery module is moved or turned over conveniently, and the shaking of the battery module in the moving or turning process is reduced.

In some embodiments of the present application, the plug includes a first fixing portion and a second fixing portion, and a projection size of the second fixing portion is greater than a projection size of the first fixing portion along a first direction, and the protection member is sleeved outside the first fixing portion.

Through setting the projection size of the second fixing part to be greater than the projection size of the first fixing part along the first direction, the supporting strength of the second fixing part can be improved, and thus the fixing effect of the plug connector is improved.

In some embodiments of the present application, at least one of the first clamping member and the second clamping member is provided with a first mounting plate, the first mounting plate is concavely provided with a mounting groove, and the second fixing portion is provided in the mounting groove.

Through set up the mounting groove on first mounting panel to locate the mounting groove with second fixed part in, be convenient for peg graft protruding and the location of first mounting panel and be connected.

In some embodiments of the application, at least one of the first clamp and the second clamp is configured to be rotatable about a first direction.

Through rotating first holder or second holder around first direction, can adjust the relative battery module's of first holder or second holder angular position to be convenient for peg graft protruding in the spliced eye, so that carry out centre gripping and location to battery module, perhaps rotate first holder and second holder simultaneously, can overturn the battery module after the centre gripping through battery module clamping device.

In some embodiments of the application, at least one of the first and second clamping mechanisms is provided with a first drive member configured for driving rotation of at least one of the first and second clamping members about a first direction.

Through setting up first driving piece, first driving piece can be used to drive at least one of first clamping piece and second clamping piece and rotate around first direction to can realize battery module clamping device to battery module's automatic upset.

In some embodiments of the application, at least one of the first clamping mechanism and the second clamping mechanism is provided with a moving assembly, and at least one of the first clamping member and the second clamping member is connected with the moving assembly in a manner capable of moving along the first direction.

By arranging the moving assembly, at least one of the first clamping piece and the second clamping piece is connected with the moving assembly in a mode of being capable of moving along a first direction, so that the at least one of the first clamping piece and the second clamping piece can move along the first direction relative to the other and is used for jointly clamping the battery module.

In some embodiments of the application, the movement assembly includes a second drive member and a mount connected, the first clamp member and/or the second clamp member being connected to the mount, the second drive member being configured to drive movement of the mount in the first direction.

By arranging the second driving piece and the mounting seat, the second driving piece can be used for driving the first clamping piece and/or the second clamping piece connected with the mounting seat to move along the first direction, so that at least one of the first clamping piece and the second clamping piece can move along the first direction relative to the other and is used for jointly clamping the battery module.

In some embodiments of the application, the first clamping mechanism is configured to conform to the configuration of the second clamping mechanism and is symmetrically disposed along the first direction.

Through setting up first fixture and the second fixture that the structure is the same along first direction symmetry, the overall structure setting of battery module clamping device of being convenient for, and first fixture and second fixture cooperate with battery module's spliced eye through grafting arch respectively, thereby make first fixture and second fixture cooperate with a side of battery module respectively, reach the effect to battery module centre gripping location, and reduce the shielding to other sides of battery module, thereby be convenient for carry out outward appearance detection to battery module in the centre gripping in-process to battery module.

The second aspect of the application also proposes a battery production system having the battery module clamping device of any one of the above.

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

Drawings

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

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present application;

Fig. 2 is a schematic view of a battery according to an embodiment of the present application;

Fig. 3 is a schematic view illustrating a portion of a battery module according to an embodiment of the present application;

Fig. 4 is a schematic diagram of an axial measurement structure of a battery module clamping device according to an embodiment of the present application;

Fig. 5 is a schematic view of a front structure of the battery module clamping device of fig. 4 when clamping the battery module;

FIG. 6 is a schematic view of the cross-sectional structure A-A in FIG. 5;

fig. 7 is an enlarged schematic view of the B part in fig. 6;

FIG. 8 is a schematic view of the mating protrusion of FIG. 7;

FIG. 9 is a schematic view of the first clamping mechanism of FIG. 4;

fig. 10 is a schematic structural view of the first clamping member in fig. 9.

Reference numerals in the specific embodiments are as follows:

1. a vehicle;

10. a battery; 11. a controller; 12. a motor;

20. A battery module; 21. a battery cell; 22. a module frame; 221. a plug hole;

30. A case; 301. a first portion; 302. a second portion;

40. A battery module clamping device;

41. A first clamping mechanism; 411. a first clamping member; 4111. a first mounting plate; 41111. a mounting groove; 4112. a second mounting plate; 4113. a first support plate; 4114. a second support plate; 412. inserting the bulge; 4121. a plug-in component; 41211. a first fixing portion; 41212. a second fixing portion; 41213. a through hole; 4122. a guard; 413. a first driving member; 414. a moving assembly; 4141. a second driving member; 4142. a mounting base; 4143. a slide rail; 415. a protective pad;

42. A second clamping mechanism; 421. and a second clamping member.

Detailed Description

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

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present application should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present application belong.

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of 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 embodiments of the present application.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In describing embodiments of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; or may 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 embodiments of the present application will be understood by those skilled in the art according to specific circumstances.

In the description of embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

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

The power battery generally comprises a case and a battery module arranged in the case, and in the prior art, the battery module is clamped by a clamping device so as to turn over or carry the battery module. In the clamping process of the battery module, part of the clamping device is required to be abutted against a plurality of sides of the battery module so as to achieve the effect of clamping and fixing the battery module. However, the portion of the clamping device, which is abutted against the battery module, shields a part of the battery module, and influences the appearance detection of the battery module in the overturning or carrying process.

In order to solve the problem that the battery module is easy to be blocked and the appearance detection is influenced when being clamped, the application provides the battery module clamping device and the battery production system.

The battery module is suitable for various electric equipment using batteries, such as mobile phones, portable equipment, notebook computers, battery cars, electric toys, electric tools, electric vehicles, ships, spacecraft and the like, and for example, the spacecraft comprises planes, rockets, spaceships and the like; the battery is used for providing electric energy for the electric equipment.

It should be understood that the technical solutions described in the embodiments of the present application are not limited to the above-described battery and electric device, but may be applied to all the battery including the battery module and the electric device using the battery, but for simplicity of description, the following embodiments are all described by taking an electric vehicle as an example.

Fig. 1 is a schematic structural view of a vehicle 1 according to some embodiments of the present application. As shown in fig. 1, the vehicle 1 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended range vehicle. The battery 10 is provided in the interior of the vehicle 1, and the battery 10 may be provided at the bottom or at the head or at the tail of the vehicle 1. The battery 10 may be used for power supply of the vehicle 1, for example, the battery 10 may serve as an operating power source of the vehicle 1. The vehicle 1 may further comprise a controller 11 and a motor 12, the controller 11 being adapted to control the battery 10 to supply power to the motor 12, e.g. for operating power requirements during start-up, navigation and driving of the vehicle 1.

In some embodiments of the application, the battery 10 may not only serve as an operating power source for the vehicle 1, but also as a driving power source for the vehicle 1, providing driving power for the vehicle 1 instead of or in part instead of fuel oil or natural gas.

Fig. 2 is a schematic structural view of a battery 10 according to an embodiment of the present application. Fig. 3 is a schematic view illustrating a structure of a battery module 20 according to an embodiment of the present application. As shown in connection with fig. 2 and 3, in order to meet various demands for use of electric power, the battery 10 may include a plurality of battery cells 21, and the battery cells 21 refer to the smallest units constituting the battery module 20 or the battery pack. A plurality of battery cells 21 may be connected in series and/or parallel together via electrode terminals for various applications. The battery referred to in the present application includes a battery module 20 or a battery pack. The plurality of battery cells 21 may be connected in series or parallel or in parallel, and the series-parallel connection refers to a mixture of series connection and parallel connection. The battery 10 may also be referred to as a battery pack. In the embodiment of the present application, the plurality of battery cells 21 may directly constitute a battery pack, or may first constitute the battery module 20, and then the battery module 20 constitutes the battery pack.

As shown in connection with fig. 2 and 3, the battery 10 may include a plurality of battery modules 20 and a case 30, and the plurality of battery modules 20 are accommodated inside the case 30. The case 30 is used for accommodating the battery cells 21 or the battery module 20 to reduce the influence of liquid or other foreign matters on the charge or discharge of the battery cells 21. The case 30 may have a simple three-dimensional structure such as a rectangular parallelepiped, a cylinder, or a sphere, or may have a complex three-dimensional structure formed by combining simple three-dimensional structures such as a rectangular parallelepiped, a cylinder, or a sphere. The material of the case 30 may be an alloy material such as aluminum alloy or iron alloy, a polymer material such as polycarbonate or polyisocyanurate foam, or a composite material such as glass fiber and epoxy resin.

In some embodiments, the case 30 may include a first portion 301 and a second portion 302, the first portion 301 and the second portion 302 overlapping each other, the first portion 301 and the second portion 302 together defining a space for receiving the battery cell 21. The second portion 302 may be a hollow structure having one end opened, the first portion 301 may be a plate-shaped structure, and the first portion 301 covers the opening side of the second portion 302, so that the first portion 301 and the second portion 302 together define a space for accommodating the battery cell 21; the first portion 301 and the second portion 302 may also be hollow structures with one side open, and the open side of the first portion 301 is covered with the open side of the second portion 302.

The battery module 20 may include a plurality of battery cells 21, the plurality of battery cells 21 may be connected in series or parallel or in series-parallel to form the battery module 20, and the plurality of battery modules 20 may be connected in series or parallel or in series-parallel to form the battery 10. The battery cell 21 may have a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, and the embodiment of the present application is not limited thereto. The battery cells 21 are generally divided into three types in a package manner: the cylindrical battery cell, the square battery cell, and the soft pack battery cell are not limited thereto in the embodiment of the present application.

As shown in conjunction with fig. 4 to 8, a first aspect of the present application discloses a battery module clamping device 40 for clamping a battery module 20, the battery module 20 comprising a module frame 22 and at least one battery cell 21 connected to the module frame 22, at least one side of the module frame 22 being provided with a socket hole 221, wherein the battery module clamping device 40 comprises a first clamping mechanism 41 and a second clamping mechanism 42, the first clamping mechanism 41 being provided with a first clamping member 411, the second clamping mechanism 42 being provided with a second clamping member 421, at least one of the first clamping member 411 and the second clamping member 421 being configured to be movable in a first direction and for commonly clamping the battery module 20; wherein, at least one of the first clamping member 411 and the second clamping member 421 is provided with a plugging protrusion 412, the plugging protrusion 412 is configured to be plugged in the plugging hole 221 and to be used for positioning the battery module 20, the plugging protrusion 412 comprises a plugging member 4121 and a protecting member 4122 sleeved outside the plugging member 4121, the friction coefficient of the protecting member 4122 is smaller than that of the plugging member 4121, the protecting member 4122 is configured to be clamped between the plugging member 4121 and the inner wall surface of the plugging hole 221, and the first direction is the length direction or the width direction of the battery module 20.

Specifically, in some embodiments of the present application, the battery cells 21 are disposed in the module frame 22 and form the battery module 20 together with the module frame 22, so that the battery cells 21 can be fixed by the module frame 22, thereby facilitating the assembly of the battery module 20. At least one of the two opposite sides of the module frame 22 along the length direction may be concavely provided with the insertion hole 221.

The first clamping mechanism 41 and the second clamping mechanism 42 may be disposed at intervals along the length direction of the battery module 20 and respectively cooperate with both side surfaces of the module frame 22 in the length direction so as to clamp and fix the battery module 20. Wherein. The first clamping mechanism 41 is provided with a first clamping member 411, the first clamping member 411 is arranged opposite to one side surface of the module frame 22 in the length direction, the second clamping mechanism 42 is provided with a second clamping member 421, and the second clamping member 421 is arranged opposite to the other side surface of the module frame 22 in the length direction. Wherein, one of two opposite sides of the module frame 22 along the length direction is provided with a plugging hole 221, and correspondingly, the first clamping member 411 or the second clamping member 421 opposite to the side is provided with a plugging protrusion 412, so that the plugging protrusion 412 is plugged in the plugging hole 221 and used for positioning the battery module 20. Or the module frame 22 is equipped with the spliced eye 221 respectively on two sides along the opposite setting of length direction, correspondingly, is equipped with grafting protruding 412 respectively on first holder 411 and the second holder 421 to peg graft the cooperation with spliced eye 221 on two sides respectively, improve the centre gripping fixed strength to battery module 20.

The protection member 4122 is sleeved outside the plug 4121, and after the plug protrusion 412 is plugged into the plug hole 221, the protection member 4122 is clamped between the plug 4121 and the inner wall surface of the plug hole 221. The shield 4122 may be connected to the plug 4121 by a connector or the plug 4121 and shield 4122 may be connected by an adhesive or weld depending on the materials of the plug 4121 and shield 4122.

According to the battery module clamping device 40 of the present application, the first clamping member 411 and the second clamping member 421 move relatively to be used for jointly clamping the battery module 20, wherein at least one of the first clamping member 411 and the second clamping member 421 is matched with the plugging hole 221 of the battery module 20 through the plugging protrusion 412, and the plugging protrusion 412 is plugged into the plugging hole 221, so that the phenomenon that the battery module 20 rotates or slides after being clamped can be reduced, and therefore, the at least one of the first clamping member 411 and the second clamping member 421 is matched with one side surface of the battery module 20, the effect of clamping and positioning the battery module 20 is achieved, shielding of other side surfaces of the battery module 20 is reduced, and the appearance detection of the battery module 20 is facilitated in the clamping process of the battery module 20. Meanwhile, the protection member 4122 is sleeved outside the plug 4121, and in the process of plugging the plug protrusion 412 into the plug hole 221, the protection member 4122 rubs against the inner wall surface of the plug hole 221, and the friction coefficient of the protection member 4122 is smaller than that of the plug 4121, so that compared with the process of directly plugging the plug 4121 into the plug hole 221, the friction resistance can be reduced, and the abrasion to the inner wall surface of the plug hole 221 can be reduced. For convenience of description, the present application will be illustrated by taking the insertion protrusion 412 provided on the first clamping member 411 as an example.

As shown in connection with fig. 4-7, in some embodiments of the present application, the mating protrusion 412 is configured for an interference fit with the mating hole 221.

The plug protrusion 412 is in interference fit with the plug hole 221, so that stable connection between the plug protrusion 412 and the plug hole 221 is facilitated, the battery module 20 is moved or turned over, and shaking of the battery module 20 in the moving or turning process is reduced.

In some embodiments of the present application, to facilitate the insertion of the insertion protrusion 412 into the insertion hole 221, the opening size of the insertion hole 221 is gradually reduced along the insertion direction of the insertion protrusion 412, or the cross-sectional size of the insertion protrusion 412 is gradually reduced along the direction perpendicular to the first direction.

Referring to fig. 7 and 8, in some embodiments of the present application, the shield 4122 is POM (polyoxymethylene, a thermoplastic crystalline polymer, known as "super steel" or "racing steel", also known as polyoxymethylene) shield; and/or, the plug 4121 is a metal plug.

Specifically, in some embodiments of the present application, the protection member 4122 is a POM protection member, and the plug 4121 may be 45 steel. The guard 4122 and the connector 4121 may be provided with a connection hole therethrough along the same line intersecting the first direction, and the guard 4122 may be fixed to the outside of the connector 4121 by sequentially passing the connector through the connection holes of the guard 4122 and the connector 4121 and interference-fitting with the connection holes.

The POM material has a smaller friction coefficient than the metal material, and can reduce abrasion to the inner wall surface of the plug hole 221. The metal plug 4121 has sufficient rigidity to improve the support performance of the plug 4121.

As shown in fig. 7 and 8, in some embodiments of the present application, the plug 4121 includes a first fixing portion 41211 and a second fixing portion 41212, and the projection size of the second fixing portion 41212 is larger than the projection size of the first fixing portion 41211 along the first direction, and the protection member 4122 is sleeved outside the first fixing portion 41211.

Specifically, the plug 4121 is fixed to the first clamping member 411 by the second fixing portion 41212, and therefore, setting the projection size of the second fixing portion 41212 to be larger than the projection size of the first fixing portion 41211 in the first direction can improve the supporting strength of the second fixing portion 41212, thereby improving the fixing effect of the plug 4121.

As shown in connection with fig. 6 to 10, in some embodiments of the present application, at least one of the first clamping member 411 and the second clamping member 421 is provided with a first mounting plate 4111, the first mounting plate 4111 is concavely provided with a mounting groove 41111, and the second fixing portion 41212 is provided in the mounting groove 41111.

Specifically, the plugging protrusion 412 may be connected to the first mounting plate 4111 through the second fixing portion 41212. The second fixing portion 41212 is disposed in the mounting groove 41111 and can be connected to the first mounting plate 4111 by various means, such as a fixed connection or a detachable connection. Wherein the fixed connection comprises bonding or welding. The detachable connection includes clamping the second fixing portion 41212 into the mounting groove 41111, or connecting the second fixing portion 41212 to the second mounting plate 4112 through a connector.

In some embodiments of the present application, the first clamping member 411 includes a first mounting plate 4111 and a second mounting plate 4112 that are opposite and spaced apart in a first direction, and the first clamping member 411 further includes a first support plate 4113 and a second support plate 4114 that are opposite and spaced apart in a second direction, the first support plate 4113 and the second support plate 4114 being disposed between the first mounting plate 4111 and the second mounting plate 4112 and configured to connect the first mounting plate 4111 and the second mounting plate 4112 to collectively form the first clamping member 411. The first mounting plate 4111 is disposed at an end of the first clamping member 411 facing the second clamping member 421, and a surface of the first mounting plate 4111 facing the second clamping member 421 is recessed with a mounting groove 4111. The number of the mounting grooves 41111 may be one or more, and when the number of the mounting grooves 41111 is plural, the plurality of mounting grooves 41111 are disposed on the surface of the first mounting plate 4111 along the second direction at intervals, so that a plurality of plugging protrusions 412 may be simultaneously disposed on the first mounting plate 4111, thereby improving the clamping and positioning effects on the battery module 20. The second direction intersects the first direction, the first direction may be consistent with the length direction of the battery module 20, and the second direction may be consistent with the width direction of the battery module 20.

By providing the mounting groove 4111 on the first mounting plate 4111 and providing the second fixing portion 41212 in the mounting groove 4111, the positioning connection of the plugging protrusion 412 and the first mounting plate 4111 is facilitated.

In some embodiments of the present application, the interior of the plug 4121 may also be configured as a hollow structure, thereby reducing the weight of the plug 4121 and reducing costs.

In some embodiments of the present application, the surface of the second fixing portion 41212 may further be provided with a through hole 41213 therethrough. When the second fixing portion 41212 is disposed in the mounting groove 41111 in a clamping manner, the dismounting member can be inserted into the through hole 41213, and the second fixing portion 41212 is removed from the mounting groove 41111, so as to facilitate the dismounting of the second fixing portion 41212.

As shown in connection with fig. 4-6, in some embodiments of the present application, at least one of the first grip 411 and the second grip 421 is configured to be rotatable about a first direction.

By rotating the first clamping member 411 or the second clamping member 421 around the first direction, the angular position of the first clamping member 411 or the second clamping member 421 relative to the battery module 20 can be adjusted, so that the plugging protrusion 412 is plugged into the plugging hole 221, so as to clamp and position the battery module 20, or simultaneously, the first clamping member 411 and the second clamping member 421 are rotated, so that the battery module 20 clamped by the battery module clamping device 40 can be turned over.

As shown in connection with fig. 4, 9 and 10, in some embodiments of the application, at least one of the first clamping mechanism 41 and the second clamping mechanism 42 is provided with a first driving member 413, the first driving member 413 being configured for driving at least one of the first clamping member 411 and the second clamping member 421 to rotate about a first direction.

Specifically, in some embodiments of the present application, the first clamping mechanism 41 is provided with a first driving member 413, the first driving member 413 being configured for driving the first clamping member 411 to rotate about the first direction. The first driving member 413 may be a rotary cylinder, and an output shaft of the rotary cylinder is connected to the second mounting plate 4112 and is used to drive the first clamping member 411 to rotate integrally.

By providing the first driving member 413, the first driving member 413 may be used to drive at least one of the first clamping member 411 and the second clamping member 421 to rotate about the first direction, so that the battery module clamping device 40 may automatically turn over the battery module 20.

As shown in connection with fig. 4 and 9, in some embodiments of the present application, at least one of the first clamping mechanism 41 and the second clamping mechanism 42 is provided with a moving assembly 414, and at least one of the first clamping member 411 and the second clamping member 421 is connected to the moving assembly 414 in a manner capable of moving in a first direction.

Specifically, in some embodiments of the present application, the first clamping mechanism 41 is provided with a moving assembly 414, and the first clamping member 411 is connected to the moving assembly 414 in a manner capable of moving in the first direction.

By providing the moving assembly 414, at least one of the first clamping member 411 and the second clamping member 421 is connected to the moving assembly 414 in a manner capable of moving in a first direction, so that at least one of the first clamping member 411 and the second clamping member 421 can move relative to the other in the first direction and serve to commonly clamp the battery module 20.

As shown in connection with fig. 4 and 9, in some embodiments of the application, the moving assembly 414 includes a second driving member 4141 and a mounting seat 4142 coupled together, the first clamping member 411 and/or the second clamping member 421 coupled to the mounting seat 4142, the second driving member 4141 configured to drive the mounting seat 4142 to move in a first direction.

Specifically, in some embodiments of the present application, the first clamping member 411 is connected to the mounting seat 4142 by the first driving member 413, and the second driving member 4141 is configured to drive the mounting seat 4142 to move the first clamping member 411 along the first direction.

By providing the second driving member 4141 and the mounting seat 4142, the second driving member 4141 may be used to drive the first clamping member 411 and/or the second clamping member 421 coupled to the mounting seat 4142 to move in the first direction, so that at least one of the first clamping member 411 and the second clamping member 421 can move relative to the other in the first direction and serve to commonly clamp the battery module 20.

In some embodiments of the present application, the moving assembly 414 further includes a sliding rail 4143, and the mounting block 4142 is slidably coupled to the sliding rail 4143. Specifically, the number of the sliding rails 4143 may be two, any one of the sliding rails 4143 extends along the first direction, the two sliding rails 4143 are parallel and spaced along the second direction, and the mounting seat 4142 is slidably connected to the two sliding rails 4143 along the first direction.

As shown in connection with fig. 4-6, in some embodiments of the present application, the first clamping mechanism 41 is configured to be identical to the second clamping mechanism 42 and is symmetrically disposed along the first direction.

Specifically, the second clamping member 421 has a structure identical to that of the first clamping member 411 and is disposed opposite in the first direction. Meanwhile, the second clamping mechanism 42 further includes a first driving member 413 and a moving assembly 414 as in the first clamping mechanism 41.

Through setting up first fixture 41 and the second fixture 42 that the structure is the same along first direction symmetry, the overall structure setting of battery module clamping device 40 of being convenient for, and first fixture 41 and second fixture 42 cooperate with the spliced eye 221 of battery module 20 through grafting protruding 412 respectively, thereby make first fixture 41 and second fixture 42 cooperate with a side of battery module 20 respectively, reach the effect to battery module 20 centre gripping location, and reduce the shielding to other sides of battery module 20, thereby be convenient for carry out outward appearance detection to battery module 20 in the centre gripping in-process to battery module 20.

As shown in connection with fig. 4, 7 and 10, in some embodiments of the present application, the first clamping member 411 is further provided with a protection pad 415, the protection pad 415 is protruded from a side surface of the first mounting plate 4111 where the mounting groove 41111 is provided, and the rigidity of the protection pad 415 is smaller than that of the first mounting plate 4111.

Specifically, after the plugging protrusion 412 is plugged into the plugging hole 221, the protection pad 415 protrudes from the side surface of the first mounting plate 4111 having the mounting groove 41111, and the protection pad 415 can be abutted against the surface of the battery module 20, so as to reduce the impact damage to the battery module 20 caused by the direct abutment of the side surface of the first mounting plate 4111 with the battery module 20. The protection pad 415 may be an elastic pad, such as rubber or plastic.

As shown in fig. 4 to 6, the second aspect of the present application also proposes a battery production system having the battery module clamping device 40 of any one of the above.

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

Referring to fig. 4 to 6, the present application proposes a battery production system having a battery module clamping device 40.

As shown in fig. 4 to 8, the battery module clamping device 40 is used for clamping the battery module 20, the battery module 20 comprises a module frame 22 and at least one battery cell 21 connected with the module frame 22, two side surfaces of the module frame 22, which are opposite to each other along the length direction, are respectively provided with plug holes 221, wherein the battery module clamping device 40 comprises a first clamping mechanism 41 and a second clamping mechanism 42, the first clamping mechanism 41 is provided with a first clamping piece 411, the second clamping mechanism 42 is provided with a second clamping piece 421, and any one of the first clamping piece 411 and the second clamping piece 421 can move relative to the other along the first direction and is used for jointly clamping the battery module 20 along the length direction of the battery module 20; the first clamping member 411 and the second clamping member 421 are respectively provided with a plugging protrusion 412, the plugging protrusion 412 is configured to be plugged in the plugging hole 221 and used for positioning the battery module 20, the plugging protrusion 412 is configured to be in interference fit with the plugging hole 221, and the first direction is a length direction or a width direction of the battery module 20.

As shown in fig. 4 to 8, the plugging projection 412 includes a plug 4121 and a shielding member 4122 sleeved outside the plug 4121, the shielding member 4122 having a friction coefficient smaller than that of the plug 4121, the shielding member 4122 being configured to be interposed between the plug 4121 and an inner wall surface of the plugging hole 221. Wherein the protection member 4122 is a POM protection member, and the plug 4121 is a metal plug.

As shown in fig. 4 to 8, the connector 4121 includes a first fixing portion 41211 and a second fixing portion 41212, and the projection size of the second fixing portion 41212 is smaller than the projection size of the first fixing portion 41211 along the first direction, and the protection member 4122 is sleeved outside the first fixing portion 41211.

As shown in fig. 4 to 6, the structure of the first clamping mechanism 41 corresponds to the structure of the second clamping mechanism 42, and is symmetrically arranged along the first direction. For convenience of description, the first clamping mechanism 41 is only exemplified.

As shown in connection with fig. 4, 7 and 9, the first clamping mechanism 41 is provided with a first driving member 413, the first driving member 413 being configured for driving the first clamping member 411 to rotate about a first direction. The first clamping mechanism 41 is further provided with a moving assembly 414, the moving assembly 414 comprising a second driving member 4141 and a mounting seat 4142 connected, the first clamping member 411 being connected to the mounting seat 4142 by a first driving member 413, the second driving member 4141 being configured for driving the mounting seat 4142 to move in a first direction. The first clamping member 411 is provided with a first mounting plate 4111, the first mounting plate 4111 is concavely provided with a mounting groove 41111, and the second fixing portion 41212 is disposed in the mounting groove 41111.

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

Claims (10)

1. The utility model provides a battery module clamping device for centre gripping battery module, battery module include the module frame and with at least one battery monomer that the module frame is connected, at least one side of module frame is equipped with the spliced eye, its characterized in that, battery module clamping device includes:

The first clamping mechanism is provided with a first clamping piece;

A second clamping mechanism provided with a second clamping member, at least one of the first clamping member and the second clamping member being configured to be movable in a first direction and for commonly clamping the battery module;

The battery module comprises a battery module, a first clamping piece and a second clamping piece, wherein at least one of the first clamping piece and the second clamping piece is provided with a plug protrusion, the plug protrusion is configured to be plugged in a plug hole and used for positioning the battery module, the plug protrusion comprises a plug piece and a protection piece sleeved outside the plug piece, the friction coefficient of the protection piece is smaller than that of the plug piece, the protection piece is configured to be clamped between the plug piece and the inner wall surface of the plug hole, and the first direction is the length direction or the width direction of the battery module.

2. The battery module clamping device of claim 1, wherein the plug protrusion is configured for an interference fit with the plug aperture.

3. The battery module clamping device according to claim 1, wherein the plug connector comprises a first fixing portion and a second fixing portion, a projection size of the second fixing portion is smaller than a projection size of the first fixing portion along the first direction, and the protection piece is sleeved outside the first fixing portion.

4. The battery module clamping device according to claim 3, wherein at least one of the first clamping member and the second clamping member is provided with a first mounting plate, the first mounting plate is concavely provided with a mounting groove, and the second fixing portion is provided in the mounting groove.

5. The battery module clamping device according to claim 1, wherein at least one of the first clamping member and the second clamping member is configured to be rotatable about the first direction.

6. The battery module clamping device according to claim 1, wherein at least one of the first clamping mechanism and the second clamping mechanism is provided with a first driving member configured for driving at least one of the first clamping member and the second clamping member to rotate about the first direction.

7. The battery module clamping device according to claim 1, wherein at least one of the first clamping mechanism and the second clamping mechanism is provided with a moving assembly, and at least one of the first clamping member and the second clamping member is connected to the moving assembly in a manner movable in the first direction.

8. The battery module clamping device of claim 7, wherein the movement assembly comprises a second drive member and a mount connected, the first clamping member and/or the second clamping member being connected to the mount, the second drive member being configured to drive the mount to move in the first direction.

9. The battery module clamping device according to any one of claims 1 to 8, wherein the structure of the first clamping mechanism is identical to the structure of the second clamping mechanism and is symmetrically arranged along the first direction.

10. A battery production system characterized by having the battery module clamping device according to any one of claims 1 to 9.