CN215731836U

CN215731836U - Cell clamping and positioning device

Info

Publication number: CN215731836U
Application number: CN202121380710.3U
Authority: CN
Inventors: 刘泽宇; 郑连军; 杨永峰
Original assignee: Guangzhou Mino Equipment Co Ltd
Current assignee: Guangzhou Mino Equipment Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-01
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a cell clamping and positioning device, which comprises a first driving motor, a second driving motor and at least one clamping unit, wherein the clamping unit comprises: supporting the bottom of the battery cell; the X-axis clamping mechanism comprises a first bidirectional screw rod, a first guide part, a first X-axis clamping moving part and a second X-axis clamping moving part; the Y-axis clamping mechanism comprises a second bidirectional screw rod, a second guide part, a first Y-axis clamping moving part and a second Y-axis clamping moving part, wherein the output end of the first driving motor is connected with the first bidirectional screw rod, and the output end of the second driving motor is connected with the second bidirectional screw rod. The model changing operation is simple, and the hardware cost and the labor cost of the model changing are reduced to a great extent. The clamping positioning device is suitable for clamping and positioning the falling plate actions of the battery cores of various sizes in a module assembly line. High precision, good stability and higher flexibility.

Description

Cell clamping and positioning device

Technical Field

The utility model is used in the field of power batteries, and particularly relates to a battery cell clamping and positioning device.

Background

With the increasing demand and attention of society on new energy automobiles, the power battery industry has also been rapidly developed. As an important part in the production and manufacturing process of power batteries, the requirement for higher automation flexibility of assembly and wiring of power battery modules is met. Different types of battery cores are often produced on the same production line, the whole line model changing time is shortened, and the model changing reliability is improved, so that great economic benefits are brought.

In the module assembly line, the commodity circulation of electricity core is carried and is often adopted the electric core tray form. When the battery cell process treatment such as gluing and rubberizing is carried out, the battery cell needs to be horizontally placed in the tray, so that the large surface of the battery cell faces upwards. When the battery core is laid flat and put into the tray, in order to avoid collision between the battery core and the limiting groove on the tray, the placing position is inaccurate, an extra mechanism is adopted to accept the battery core, and the tray is put into after the battery core position is restored.

At present, the battery core is dropped and coiled usually by adopting a pneumatic four-jaw chuck to restore the battery core position, the stroke of the four-jaw chuck is limited, and when a module assembly line is in shape change, the stroke of clamping fingers of the four-jaw chuck needs to be checked, and a clamping block is replaced or the four-jaw chuck is replaced. The battery cell dropping position can be used for placing a plurality of battery cells at the same time, the replacement is complex, the model replacement time is long, the cost is high, and manual participation is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one of the technical problems in the prior art and provides a cell clamping and positioning device.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a battery cell clamping and positioning device comprises a first driving motor, a second driving motor and at least one clamping unit, wherein the clamping unit comprises:

supporting the bottom of the battery cell;

the X-axis clamping mechanism comprises a first bidirectional screw rod, a first guide part, a first X-axis clamping moving part and a second X-axis clamping moving part, the first bidirectional screw rod and the first guide part extend along the X-axis direction, the first X-axis clamping moving part is connected to the first bidirectional screw rod through a first left-handed nut, the first X-axis clamping moving part is matched with the first guide part, the second X-axis clamping moving part is connected to the first bidirectional screw rod through a first right-handed nut, the second X-axis clamping moving part is matched with the first guide part, and the first X-axis clamping moving part and the second X-axis clamping moving part are located on two sides of the electric core bottom support along the X-axis direction;

the Y-axis clamping mechanism comprises a second bidirectional screw rod, a second guide part, a first Y-axis clamping moving part and a second Y-axis clamping moving part, the second bidirectional screw rod and the second guide part both extend along the Y-axis direction, the first Y-axis clamping moving part is connected to the second bidirectional screw rod through a second left-handed nut, the first Y-axis clamping moving part is matched with the second guide part, the second Y-axis clamping moving part is connected to the second bidirectional screw rod through a second right-handed nut, the second Y-axis clamping moving part is matched with the second guide part, and the first Y-axis clamping moving part and the second Y-axis clamping moving part are located on two sides of the electric core bottom support along the Y-axis direction;

the output end of the first driving motor is connected with the first bidirectional screw rod, and the output end of the second driving motor is connected with the second bidirectional screw rod.

In some embodiments, the cell bottom support includes a support plate having a first flange extending to both sides in the X-axis direction and a second flange extending to both sides in the Y-axis direction.

In some embodiments, the top of each of the first flange and the second flange is provided with a supporting block, and the supporting blocks are made of non-metal insulating materials.

In some embodiments, the battery cell bottom support further includes a mounting seat, the support plate is mounted on the top of the mounting seat, the mounting seat supports the support plate to a certain height, and a space for arranging the X-axis clamping mechanism and the Y-axis clamping mechanism is formed below the support plate.

In some embodiments, the cell clamping and positioning device includes a plurality of the clamping units, the clamping units are arranged along the X-axis direction, and the first bidirectional screws of the clamping units are sequentially connected and driven by one first driving motor.

In some embodiments, a plurality of the clamping units form a plurality of rows arranged along the X-axis direction, a plurality of rows of the clamping units form a plurality of rows along the Y-axis direction, the second bidirectional screw rods of each row of the clamping units are sequentially connected, the output end of the second driving motor is provided with a driving shaft, the driving shaft extends along the X-axis direction, and the driving shaft is in transmission connection with the second bidirectional screw rods of the plurality of rows of the clamping units through transmission gears respectively.

In some embodiments, a plurality of the clamping units are arranged along the X-axis direction to form a first column of clamping units, a plurality of the clamping units are arranged along the X-axis direction to form a second column of clamping units, the first column of clamping units and the second column of clamping units share a first bidirectional screw rod, and the first bidirectional screw rod is located between the first column of clamping units and the second column of clamping units.

In some embodiments, the first X-axis clamping moving parts of the clamping units located in the same row are connected in the Y-axis direction and connected to the first bidirectional screw rod through the same first left-handed nut; and along the Y-axis direction, the second X-axis clamping moving parts of the clamping units positioned in the same row are connected and connected to the first bidirectional screw rod through the same first right-handed nut.

In some embodiments, the first X-axis clamping moving part, the second X-axis clamping moving part, the first Y-axis clamping moving part, and the second Y-axis clamping moving part are provided with clamping blocks, and the clamping blocks are made of non-metal insulating materials.

In some embodiments, the first guide member comprises a guide shaft and the second guide member comprises a linear guide.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the X-axis clamping mechanism and the Y-axis clamping mechanism are driven by the lead screw and rotate left and right, the long edge of the battery cell is pressed and positioned, the short edge of the battery cell is pressed and positioned, the motor driving mode is adopted, and the clamping and righting requirements of the battery cells with different sizes after the battery cells are reshaped can be met through automatic adjustment. The model changing operation is simple, and the hardware cost and the labor cost of the model changing are reduced to a great extent. The clamping positioning device is suitable for clamping and positioning the falling plate actions of the battery cores of various sizes in a module assembly line. High precision, good stability and higher flexibility.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a structural isometric view of one embodiment of the present invention;

FIG. 2 is a top view of the structure of one embodiment shown in FIG. 1;

fig. 3 is a schematic diagram of a cell bottom support structure of one embodiment shown in fig. 1;

FIG. 4 is a schematic diagram of the Y-axis clamping mechanism of the embodiment shown in FIG. 1;

FIG. 5 is a schematic diagram of the X-axis clamping mechanism of FIG. 1 in accordance with one embodiment.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.

In the utility model, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Fig. 1 and 2 show reference direction coordinate systems of embodiments of the present invention, and the embodiments of the present invention will be described below with reference to the directions shown in fig. 1 and 2.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a cell clamping and positioning device, which includes a first driving motor 1, a second driving motor 2, and at least one clamping unit 3, where the clamping unit 3 includes a cell bottom support 31, an X-axis clamping mechanism, and a Y-axis clamping mechanism.

With reference to fig. 5, the X-axis clamping mechanism includes a first bidirectional screw 32, a first guide member 33, a first X-axis clamping moving member 34, and a second X-axis clamping moving member 35, both the first bidirectional screw 32 and the first guide member 33 extend along the X-axis direction, for the first bidirectional screw 32, in order to ensure that the first X-axis clamping moving member 34 and the second X-axis clamping moving member 35 on both sides can clamp simultaneously, a structure of left-handed rotation and right-handed rotation is adopted, specifically, the first X-axis clamping moving member 34 is connected to the first bidirectional screw 32 through a first left-handed nut, and the first X-axis clamping moving member 34 is matched with the first guide member 33, so as to ensure the precision of the translation process. The second X-axis clamping moving part 35 is connected to the first bidirectional screw rod 32 through a first right-handed nut, the second X-axis clamping moving part 35 is matched with the first guide part 33 to ensure the precision of the translation process, and the first X-axis clamping moving part 34 and the second X-axis clamping moving part 35 are located on two sides of the cell bottom support 31 along the X-axis direction. The output end of the first driving motor 1 is connected to the first bidirectional screw 32, the first driving motor 1 provides power, when the first driving motor 1 drives the first bidirectional screw 32 to rotate, the first X-axis clamping moving part 34 and the second X-axis clamping moving part 35 on two sides of the cell bottom support 31 are clamped with each other, and when the first driving motor 1 drives the first bidirectional screw 32 to rotate in the opposite direction, the first X-axis clamping moving part 34 and the second X-axis clamping moving part 35 on two sides of the cell bottom support 31 are separated from each other.

Referring to fig. 4, the Y-axis clamping mechanism includes a second bidirectional screw 36, a second guide member 37, a first Y-axis clamping moving member 38, and a second Y-axis clamping moving member 39, and the second bidirectional screw 36 and the second guide member 37 both extend in the Y-axis direction. For the second bidirectional screw 36, in order to ensure that the first Y-axis clamping moving component 38 and the second Y-axis clamping moving component 39 on both sides can be clamped simultaneously, a left-handed and right-handed structure is adopted, specifically, the first Y-axis clamping moving component 38 is connected to the second bidirectional screw 36 through a second left-handed nut, the first Y-axis clamping moving component 38 is matched with the second guide component 37 to ensure the precision of the translation process, the second Y-axis clamping moving component 39 is connected to the second bidirectional screw 36 through a second right-handed nut, the second Y-axis clamping moving component 39 is matched with the second guide component 37 to ensure the precision of the translation process, and the first Y-axis clamping moving component 38 and the second Y-axis clamping moving component 39 are located on both sides of the cell bottom support 31 along the Y-axis direction. The output end of the second driving motor 2 is connected to the second bidirectional screw 36, when the second driving motor 2 drives the second bidirectional screw 36 to rotate, the first Y-axis clamping moving component 38 and the second Y-axis clamping moving component 39 on both sides of the cell bottom support 31 are clamped with each other, and when the second driving motor 2 drives the second bidirectional screw 36 to rotate in the opposite direction, the first Y-axis clamping moving component 38 and the second Y-axis clamping moving component 39 on both sides of the cell bottom support 31 are separated from each other.

When the battery cell 4 is clamped and positioned, referring to fig. 1, the battery cells 4 of two sizes are shown, the battery cell 4 is placed on the battery cell bottom support 31 after being placed flatly, and the X-axis clamping mechanism and the Y-axis clamping mechanism act to complete battery cell position righting. The X-axis clamping mechanism and the Y-axis clamping mechanism are driven by the lead screw and rotate left and right, the long edge of the battery cell is pressed and positioned, the short edge of the battery cell is pressed and positioned, the motor driving form is adopted, the stroke of the X-axis clamping mechanism and the stroke of the Y-axis clamping mechanism can be adjusted through a control program, the size of the battery cell is changed after the battery cell is shaped, and the use requirement can be met only by adjusting the control program. The model changing operation is simple, and the hardware cost and the labor cost of the model changing are reduced to a great extent. The clamping positioning device is suitable for clamping and positioning the falling plate actions of the battery cores of various sizes in a module assembly line. High precision, good stability and higher flexibility.

The cell bottom support 31 is used for supporting a cell, and in some embodiments, referring to fig. 3, the cell bottom support 31 includes a support plate 310, the support plate 310 has a first flange extending to both sides along the X-axis direction and a second flange extending to both sides along the Y-axis direction, and the whole body is in a cross shape, so that the shape and size of the support plate 310 need to meet the support requirements of a minimum-size cell and a maximum-size cell at the same time, and need to be replaced when changing the model is avoided.

Further, referring to fig. 3, supporting blocks 311 are disposed on top of the first flange and the second flange, and the supporting blocks 311 are made of non-metal insulating material. The supporting block 311 directly contacts with the large surface of the battery cell which is horizontally placed, and the battery cell is prevented from being scratched in the battery cell restoring process by adopting a non-metallic insulating material.

Further, in some embodiments, referring to fig. 1 and fig. 3, the battery cell bottom support 31 further includes a mounting seat 312, the mounting seat 312 is mounted on a mounting plate 313, the support plate 310 is mounted on the top of the mounting seat 312, the mounting seat 312 supports the support plate 310 by a certain height, and a space for arranging the X-axis clamping mechanism and the Y-axis clamping mechanism is formed below the support plate 310, so that the space for each clamping unit 3 is reduced, and it is possible to arrange a larger number of clamping units 3 in a limited range as much as possible.

Referring to fig. 1, 2 and 5, in some embodiments, the cell clamping and positioning device includes a plurality of clamping units 3, the plurality of clamping units 3 are arranged along the X-axis direction, and the first bidirectional screws 32 of the plurality of clamping units 3 may be sequentially connected through a coupling and driven by a first driving motor 1. The plurality of clamping units 3 are driven by one first driving motor 1, and clamping and positioning in the X-axis direction of the plurality of battery cells can be realized. Meanwhile, the size of the battery cell is changed after the model is changed, and the use requirement can be met only by adjusting the control program of the first driving motor 1.

Further, the Y-axis clamping mechanism of the plurality of clamping units 3 can be driven by a plurality of second driving motors 2, or can be driven by one second driving motor 2, for example, in some embodiments, referring to fig. 1, 2, and 4, the plurality of clamping units 3 form a plurality of rows arranged along the X-axis direction, the plurality of rows of clamping units 3 form a plurality of rows along the Y-axis direction, the second bidirectional screw rods 36 of each row of clamping units 3 are sequentially connected, the output end of the second driving motor 2 is provided with a driving shaft 21, the driving shaft 21 extends along the X-axis direction, and the driving shaft 21 is in transmission connection with the second bidirectional screw rods 36 of the plurality of rows of clamping units 3 through the transmission gear 22. In this embodiment, a plurality of clamping units 3 realize the synchronous drive of multirow clamping unit 3 through transmission shaft and drive gear 22, and a plurality of clamping units 3 are driven by a second driving motor 2, can realize the Y axle direction of a plurality of electric cores and press from both sides tight location, and the drive structure is more succinct. Meanwhile, the size of the battery cell changes after the model is changed, and the use requirement can be met only by adjusting the control program of the second driving motor 2.

Referring to fig. 1, 2 and 5, a plurality of clamping units 3 are arranged in the X-axis direction to form a first column of clamping units 3, a plurality of clamping units 3 are arranged in the X-axis direction to form a second column of clamping units 3, the first column of clamping units 3 and the second column of clamping units 3 share a first bidirectional screw 32, and the first bidirectional screw 32 is located between the first column of clamping units 3 and the second column of clamping units 3. In other words, the plurality of rows of clamping units 3 share one first bidirectional screw 32 and the first driving motor 1 connected to the first bidirectional screw 32, thereby further simplifying the X-axis clamping mechanism of the clamping units 3.

In some embodiments, referring to fig. 5, the first X-axis clamping moving members 34 of the clamping units 3 located in the same row are connected to form an integral structure along the Y-axis direction and connected to the first bidirectional screw rod 32 through the same first left-handed nut in the middle; the second X-axis clamping moving members 35 of the clamping units 3 located in the same row are connected to form an integral structure along the Y-axis direction, and are connected to the first bidirectional screw rod 32 through the same first right-handed nut in the middle.

Referring to fig. 4 and 5, the first X-axis clamping moving member 34, the second X-axis clamping moving member 35, the first Y-axis clamping moving member 38, and the second Y-axis clamping moving member 39 are provided with clamping blocks 314, and the clamping blocks 314 are made of non-metal insulating materials. The clamping block 314 directly contacts with the small surface of the flat battery cell, generally adopts a non-metal insulating material, and avoids scratching the battery cell in the battery cell restoring process.

The first guide member 33 and the second guide member 37 may employ guide shafts or rails, for example, in some embodiments, the first guide member 33 comprises a guide shaft and the second guide member 37 comprises a linear rail. The first guide member 33 and the second guide member 37 are used to ensure the accuracy of the clamping moving member translation process.

It can be understood that the clamping and positioning device can be used for clamping and correcting the position of the battery cell, and can also be used for clamping and positioning in a transportation process, or other occasions.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims

1. The utility model provides a cell presss from both sides tight positioner which characterized in that, includes first driving motor, second driving motor and at least one clamping unit, clamping unit includes:

supporting the bottom of the battery cell;

2. The cell clamping and positioning device of claim 1, wherein the cell bottom support comprises a support plate having a first flange extending laterally along the X-axis and a second flange extending laterally along the Y-axis.

3. The cell clamping and positioning device of claim 2, wherein support blocks are arranged at the tops of the first flange and the second flange, and the support blocks are made of non-metal insulating materials.

4. The cell clamping and positioning device of claim 2, wherein the cell bottom support further comprises a mounting seat, the support plate is mounted on the top of the mounting seat, the mounting seat supports the support plate to a certain height, and a space for arranging the X-axis clamping mechanism and the Y-axis clamping mechanism is formed below the support plate.

5. The cell clamping and positioning device according to claim 1, wherein the cell clamping and positioning device comprises a plurality of the clamping units, the clamping units are arranged along the X-axis direction, and the first bidirectional screws of the clamping units are sequentially connected and driven by one first driving motor.

6. The battery cell clamping and positioning device according to claim 5, wherein a plurality of the clamping units form a plurality of rows arranged along an X-axis direction, a plurality of rows of the clamping units form a plurality of rows along a Y-axis direction, the second bidirectional screw rods of each row of the clamping units are sequentially connected, an output end of the second driving motor is provided with a driving shaft, the driving shaft extends along the X-axis direction, and the driving shaft is respectively in transmission connection with the second bidirectional screw rods of the plurality of rows of the clamping units through a transmission gear.

7. The cell clamping and positioning device according to claim 6, wherein a plurality of the clamping units are arranged in the X-axis direction to form a first column of clamping units, a plurality of the clamping units are arranged in the X-axis direction to form a second column of clamping units, and the first column of clamping units and the second column of clamping units share a first bidirectional screw rod, and the first bidirectional screw rod is located between the first column of clamping units and the second column of clamping units.

8. The cell clamping and positioning device of claim 7, wherein the first X-axis clamping moving members of the clamping units in the same row are connected in the Y-axis direction and connected to the first bidirectional screw rod through the same first left-handed nut; and along the Y-axis direction, the second X-axis clamping moving parts of the clamping units positioned in the same row are connected and connected to the first bidirectional screw rod through the same first right-handed nut.

9. The battery cell clamping and positioning device of claim 1, wherein the first X-axis clamping and moving component, the second X-axis clamping and moving component, the first Y-axis clamping and moving component, and the second Y-axis clamping and moving component are provided with clamping blocks, and the clamping blocks are made of non-metallic insulating materials.

10. The cell clamping positioning device of claim 1, wherein the first guide member comprises a guide shaft and the second guide member comprises a linear guide.