CN220306302U

CN220306302U - Shaping plate and shaping device

Info

Publication number: CN220306302U
Application number: CN202321796777.4U
Authority: CN
Inventors: 邵伟
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-01-05
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a shaping plate and a shaping device, comprising: the main body plate is arranged on one side surface of the lug; the first elastic cushion layer is arranged on one side surface of the main body plate, close to the lug, and is arranged opposite to the connecting sheet, and the first elastic cushion layer is used for being matched with the connecting sheet to clamp the lug. The utility model is provided with the main body plate which is matched with the connecting sheet to clamp and shape the lug, and the side surface of the main body plate facing the lug is provided with the first elastic pad to provide elastic support for the lug, so that the lug is prevented from tearing risk in the shaping process while the lug is stabilized, the quality and strength of the welded lug and the connecting sheet are improved, the shaping quality of the lug is improved, and the subsequent shell entering of the core package is facilitated.

Description

Shaping plate and shaping device

Technical Field

The utility model relates to the technical field of battery production and manufacturing, in particular to a shaping plate and a shaping device.

Background

The current battery field mainly has lamination battery and winding battery, whichever electric core, and the tab plays important role as important medium in electric core charging and discharging process, and in electric core production process, the bad occupation ratio that the tab caused is always higher. The shaping of the tab before welding with the adapter piece is critical, and the lack of shaping in place not only can lead to the tearing risk of the tab to appear in subsequent production, leads to low capacity of the battery cell, etc. and can also lead to the battery cell tab core pressing and wrapping phenomenon of the produced battery cell, and when the battery cell vibrates, the battery cell is further caused to be short-circuited.

In the shaping process of the existing core pack, the lug of the core pack is usually placed on the connecting sheet, then the shaping plate is moved towards the connecting sheet to clamp and shape the lug of the core pack, and finally the lug is welded to the connecting sheet through the welding head. However, the conventional shaping plate is made of aluminum alloy material, so that the hardness is high, and the phenomenon of pole lug compression loss easily occurs in the process that the shaping plate is matched with the connecting sheet to compress the pole lug.

Disclosure of Invention

In order to overcome at least one of the drawbacks of the prior art described above, the present utility model provides a shaping plate and a shaping device, comprising: the main body plate is arranged on one side surface of the lug; the first elastic cushion is arranged on one side surface of the main body plate, close to the lug, and is opposite to the connecting sheet, and the first elastic cushion is used for being matched with the connecting sheet to clamp the lug.

The utility model is provided with the main body plate which is matched with the connecting sheet to clamp and shape the lug, and the side surface of the main body plate facing the lug is provided with the first elastic pad to provide elastic support for the lug, so that the lug is prevented from tearing risk in the shaping process while the lug is stabilized, the quality and strength of the welded lug and the connecting sheet are improved, the shaping quality of the lug is improved, and the subsequent shell entering of the core package is facilitated.

In some embodiments, the device further comprises a positioning plate connected with the main body plate, wherein the positioning plate and the main body plate are positioned on the same side of the tab; the locating plate acts on the core package, and when the locating plate supports tightly to the core package, the first elastic cushion supports tightly to the tab.

The utility model compresses the core bag by arranging the positioning plate, so that the thickness of the core bag is reduced, the distance from part of the lugs to the core bag is shortened, and the tension of the lugs is reduced, so that the lugs are not easy to tear and break during shaping.

In some embodiments, the device further comprises an adjustment plate, the body plate being adjustably coupled to the positioning plate via the adjustment plate.

It is easy to understand that the main body plate and/or the positioning plate are/is connected with the adjusting plate in an adjustable way, so that the utility model can adapt to core bags with different thicknesses, products with different sizes do not need to be arranged according to different core bags, the compatibility is good, and the cost is reduced.

In some embodiments, the body plate and the positioning plate can be connected by an adjustment plate, and the body plate, the positioning plate, and the adjustment plate are integrally formed.

In some embodiments, the adjustment plate comprises: the first board is connected to the main body board, the second board is connected to the positioning board, and the first board and the second board are in threaded connection through the bidirectional screw rod.

Preferably, a bidirectional screw is arranged between the first plate and the second plate, and the main body plate and the positioning plate can be mutually approached or separated by adjusting the bidirectional screw. In other embodiments, the specific arrangement of the adjusting plate and the connection manner between the adjusting plate and the main body plate, and the positioning plate have different arrangements according to actual requirements, which are not described herein.

In some embodiments, a plane of a side surface of the first elastic cushion facing the tab is defined as a first plane, and a plane of a side surface of the positioning plate facing the core package corresponding to the tab is defined as a second plane; the first plane and the second plane are parallel to the connecting sheet.

The setting like this, when can making locating plate and core package fully laminate, the main part board can compress tightly the utmost point ear in order more fully to laminate with the connection piece, is favorable to improving the quality and the intensity behind utmost point ear and the connection piece welding, is favorable to improving the plastic quality of utmost point ear simultaneously, is convenient for core package follow-up income shell.

In some embodiments, the side of the positioning plate facing the core pack is provided with a second elastic cushion.

It will be understood that, in order to facilitate welding the shaped tab, the main body plate and the first elastic cushion are respectively provided with a first through hole and a second through hole, so that the shaped tab is exposed for welding.

In some embodiments, the first elastic cushion and/or the second elastic cushion is a rubber cushion.

In some embodiments, the body plate is provided with a plurality of first through holes, and the first elastic cushion is provided with a plurality of second through holes corresponding to the first through holes one by one; the first through hole and the second through hole are used for the welding head to pass through so as to weld the tab.

In the process, the core package is firstly placed on the upper side surface of the first base, the connecting piece is placed on the upper side surface of the second base, the lug of the core package is placed on the upper side surface of the connecting piece, then the shaping plate is driven by the driving piece to be close to the lug on the connecting piece so as to shape the lug, the welding head penetrates through the first through hole and the second through hole, the lug is welded, and finally the shaping plate is driven by the driving piece to be far away from the connection, so that the lug shaping welding operation is completed. The quality and the strength of the welded tab and the connecting sheet are improved, the shaping quality of the tab is improved, and the core package is convenient to subsequently enter the shell.

The utility model also provides a shaping device in another aspect, which comprises the shaping plate, a first base station, a second base station and a driving piece; the first base station is used for placing the core package, the second base station is used for placing the connection piece, and the driving piece is used for driving the shaping plate to be close to or far away from the connection piece.

In some embodiments, the driving member is a telescoping member having a telescoping end that is connected to the shaping plate.

In summary, the shaping plate and the shaping device provided by the utility model have the following technical effects:

(1) The utility model is provided with the main body plate which is matched with the connecting sheet to clamp and shape the lug, and the side surface of the main body plate facing the lug is provided with the first elastic pad to provide elastic support for the lug, so that the lug is prevented from tearing risk in the shaping process while the lug is stabilized, the quality and strength of the welded lug and the connecting sheet are improved, the shaping quality of the lug is improved, and the subsequent shell entering of the core package is facilitated.

(2) The utility model compresses the core bag by arranging the positioning plate, so that the thickness of the core bag is reduced, the distance from part of the lugs to the core bag is shortened, and the tension of the lugs is reduced, so that the lugs are not easy to tear and break during shaping.

(3) The main body plate and/or the positioning plate are/is connected with the adjusting plate in an adjustable way, so that the product can adapt to core bags with different thicknesses, products with different sizes do not need to be arranged according to different core bags, the compatibility is good, and the cost is reduced.

Drawings

FIG. 1 is a schematic view of the structure of a shaping plate of the present utility model;

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

fig. 3 is a schematic structural view of the shaping device of the present utility model.

Wherein the reference numerals have the following meanings:

100. shaping device;

1. shaping plates;

2. a core pack; 21. a tab;

3. a main body plate; 31. a first elastic cushion; 32. a first through hole;

4. a positioning plate;

5. a connecting sheet;

6. an adjusting plate;

7. a welding head; 71. a first base station; 72. and a second base station.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and 3, a shaping plate 1 and a shaping device 100, comprising: the main body plate 3 is arranged on one side surface of the lug 21; the first elastic cushion 31 is disposed on a side surface of the main body plate 3 near the tab 21, and the first elastic cushion 31 is disposed opposite to the connection piece 5, where the first elastic cushion 31 is used to cooperate with the connection piece 5 to clamp the tab 21.

In the process, the connecting sheet 5 of the battery is attached to one side surface of the tab 21, then the main body plate 3 is abutted against the other side surface of the tab 21, at least part of the tab 21 is located between the connecting sheet 5 and the main body plate 3, and along with the movement of the main body plate 3 towards the connecting sheet 5, the tab 21 is abutted against the connecting sheet 5 by the first elastic cushion 31, so that the clamping and shaping operation is completed.

The utility model is provided with the main body plate 3, the main body plate 3 is matched with the connecting sheet 5 to clamp and shape the lug 21, and a first elastic pad is arranged on one side surface of the main body plate 3 facing the lug 21 to provide elastic support for the lug 21, so that the lug 21 is prevented from being torn in the shaping process while being stabilized, the quality and strength of the welded lug 21 and the connecting sheet 5 are improved, the shaping quality of the lug 21 is improved, and the core bag 2 is convenient to be subsequently put into a shell.

Referring to fig. 1 and 3, the device further comprises a positioning plate 4 connected with the main body plate 3, wherein the positioning plate 4 and the main body plate 3 are positioned on the same side of the tab 21; the positioning plate 4 acts on the core pack 2, and when the positioning plate 4 abuts against the core pack 2, the first elastic cushion 31 abuts against the tab 21.

When the positioning plate 4 is abutted against the core pack 2, the first elastic cushion 31 is abutted against the tab 21. According to the utility model, the positioning plate 4 is arranged to compress the core pack 2, so that the thickness of the core pack 2 is reduced, the distance from part of the lug 21 to the core pack 2 is shortened, and the tension of the lug 21 is reduced, so that the lug 21 is less prone to being torn and broken during shaping.

Referring to fig. 1, the device further comprises an adjusting plate 6, and the main body plate 3 is adjustably connected with the positioning plate 4 through the adjusting plate 6.

It is easy to understand that the main body plate 3 and/or the positioning plate 4 are/is adjustably connected with the adjusting plate 6, so that the utility model can adapt to core bags 2 with different thicknesses, products with different sizes do not need to be arranged according to different core bags 2, the compatibility is good, and the cost is reduced.

In some embodiments, the body plate 3 and the positioning plate 4 can be connected by the adjusting plate 6, and the body plate 3, the positioning plate 4 and the adjusting plate 6 are integrally formed.

The adjusting plate 6 includes: the first board is connected to the main body board 3, the second board is connected to the locating plate 4, and the first board and the second board are in threaded connection through the bidirectional screw rod.

Preferably, a bidirectional screw is provided between the first plate and the second plate, and the main body plate 3 and the positioning plate 4 can be moved toward or away from each other by adjusting the bidirectional screw. In other embodiments, the specific arrangement of the adjusting plate 6 and the connection manner between the adjusting plate 6 and the main body plate 3 and the positioning plate 4 have different arrangements according to actual requirements, which are not described herein.

Referring to fig. 1 and 3, a plane on which a side surface of the first elastic cushion 31 facing the tab 21 side is defined as a first plane, and a plane on which a side surface of the positioning plate 4 facing the core pack 2 side corresponding to the tab 21 side is defined as a second plane; the first plane and the second plane are both parallel to the connecting piece 5.

The setting like this, when can making locating plate 4 and core package 2 fully laminate, main part board 3 can compress tightly the utmost point ear 21 in order more fully laminate with connection piece 5, is favorable to improving the quality and the intensity after utmost point ear 21 and connection piece 5 welding, is favorable to improving the plastic quality of utmost point ear 21 simultaneously, is convenient for core package 2 follow-up income shell.

The side of the positioning plate 4 facing the core pack 2 is provided with a second elastic cushion.

By the arrangement, elastic support can be provided for the core pack 2, and damage to the core pack 2 caused by the positioning plate 4 is avoided.

The first elastic cushion 31 and/or the second elastic cushion is a rubber cushion.

Preferably, in this embodiment, the first elastic cushion 31 and/or the second elastic cushion are rubber pads, and in other embodiments, the first elastic cushion 31 and/or the second elastic cushion have different arrangements, which are not described herein.

Referring to fig. 1 and 2, the body plate 3 is provided with a plurality of first through holes 32, and the first elastic cushion 31 is provided with a plurality of second through holes in one-to-one correspondence with the first through holes 32; the first through hole 32 and the second through hole are for passing the welding head 7 therethrough to weld the tab 21.

It will be understood that, in order to facilitate welding of the shaped tab 21, the body plate 3 and the first elastic cushion 31 are provided with a first through hole 32 and a second through hole, respectively, so as to expose the shaped tab 21 for welding.

Referring to fig. 3, a shaping device 100 includes the shaping plate 1, and further includes a first base 71, a second base 72, and a driving member; the first base 71 is used for placing the core pack 2, the second base 72 is used for placing the connecting sheet 5, and the driving piece is used for driving the shaping plate 1 to be close to or far away from the connecting sheet 5.

In the process, the core pack 2 is firstly placed on the upper side surface of the first base 71, the connecting piece 5 is placed on the upper side surface of the second base 72, the lug 21 of the core pack 2 is placed on the upper side surface of the connecting piece 5, then the shaping plate 1 is driven by the driving piece to be close to the lug 21 on the connecting piece 5 so as to shape the lug 21, the welding head 7 passes through the first through hole 32 and the second through hole, so that the lug 21 is welded, and finally the shaping plate 1 is driven by the driving piece to be far away from the connection, so that the shaping welding operation of the lug 21 is completed. The quality and the strength of the electrode lug 21 and the connecting sheet 5 after being welded are improved, the shaping quality of the electrode lug 21 is improved, and the core package 2 is convenient to be subsequently put into the shell.

The driving member is a telescopic member having a telescopic end which is connected to the shaping plate 1.

In particular, the telescopic end is connected to the positioning plate 4.

In some embodiments, the driving member is a telescoping member having a telescoping end; in other embodiments, the driving member can have different arrangements according to different actual requirements, and in addition, in some embodiments, the shaping plate 1 can be manually taken and placed without providing a telescopic member.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A shaping plate for cooperation with a connecting piece (5) to shape a tab (21) of a core pack (2), characterized by comprising:

the main body plate (3) is arranged on one side surface of the lug (21);

the first elastic cushion (31) is arranged on one side surface of the main body plate (3) close to the lug (21), the first elastic cushion (31) is arranged opposite to the connecting sheet (5), and the first elastic cushion (31) is used for being matched with the connecting sheet (5) to clamp the lug (21).

2. A shaped plate according to claim 1, further comprising a positioning plate (4) interconnected with the body plate (3), the positioning plate (4) being on the same side of the tab (21) as the body plate (3);

the positioning plate (4) acts on the core pack (2), and when the positioning plate (4) abuts against the core pack (2), the first elastic cushion layer (31) abuts against the tab (21).

3. The shaping plate according to claim 2, further comprising an adjusting plate (6), said body plate (3) being adjustably connected to said positioning plate (4) by means of said adjusting plate (6).

4. A shaped plate according to claim 3, characterized in that the adjusting plate (6) comprises:

a first plate connected to the body plate (3),

and the second plate is connected with the positioning plate (4), and the first plate and the second plate are in threaded connection through a bidirectional screw rod.

5. A shaping plate according to any one of claims 2-4, wherein the plane on which the side face of the first elastic cushion (31) facing the tab (21) side is defined as a first plane, and the plane on which the side face of the positioning plate (4) facing the core pack (2) side corresponding to the tab (21) is defined as a second plane;

the first plane and the second plane are parallel to the connecting sheet (5).

6. A shaping plate according to claim 5, characterized in that the side of the positioning plate (4) facing the core pack (2) is provided with a second elastic cushion.

7. A shaping plate according to claim 6, wherein the first elastic cushion (31) and/or the second elastic cushion is/are rubber pads.

8. A shaped plate according to any one of claims 1-4 or 6 or 7, wherein the main body plate (3) is provided with a plurality of first through holes (32), and the first elastic cushion (31) is provided with a plurality of second through holes in one-to-one correspondence with the first through holes (32);

the first through hole (32) and the second through hole are used for a welding head (7) to pass through so as to weld the tab (21).

9. Shaping device, characterized in that it comprises a shaping plate (1) according to any one of claims 1-8, further comprising a first base (71), a second base (72) and a driving element;

the first base (71) is used for placing the core bag (2), the second base (72) is used for placing the connecting sheet (5), and the driving piece is used for driving the shaping plate (1) to be close to or far away from the connecting sheet (5).

10. A shaping device according to claim 9, characterized in that the driving member is a telescopic member having a telescopic end, which telescopic end is connected to the shaping plate (1).