CN215516098U

CN215516098U - A rubberizing device for welding of electricity core switching piece

Info

Publication number: CN215516098U
Application number: CN202122341698.1U
Authority: CN
Inventors: 刘康杰; 孙东腾; 项安
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-14
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to a rubberizing device for welding a cell switching piece, which can comprise a supporting seat, and a welding surface rubberizing mechanism and a cell surface rubberizing mechanism which are arranged on the supporting seat, wherein the welding surface rubberizing mechanism is used for downwards pressing and pasting a transverse part of an L-shaped adhesive tape on a welding surface of a cell, and the cell surface rubberizing mechanism is used for flattening an upper section of a vertical part of the L-shaped adhesive tape towards a cell surface of the cell and pasting the upper section of the vertical part of the L-shaped adhesive tape on the cell surface after rubberizing the welding surface. The utility model has simple structure and convenient operation and maintenance, can meet the requirement of the precision of the rubberizing position by firstly pasting the welding surface and then pasting the electric core surface, and has stable rubberizing effect and high efficiency.

Description

A rubberizing device for welding of electricity core switching piece

Technical Field

The utility model relates to the technical field of power battery production, in particular to a rubberizing device for welding a cell adapter sheet.

Background

The lithium ion battery is a rechargeable battery, has the advantages of high energy density, high working voltage, long cycle life, high environmental protection and the like, and has good application prospect in the aspects of mobile power supplies, vehicles and other equipment. A lithium ion battery is generally formed by pairing and combining two battery cells, wherein ultrasonic welding is required for connection, as shown in fig. 1. In order to prevent welding slag and the like from polluting the battery core, adhesive tapes are required to be attached to welding positions.

The rubberizing operation of producing the line at present pastes the adhesive tape at electric core face (upper surface) and face of weld (lower surface) simultaneously through the rubberizing device, can not satisfy the rubberizing position accuracy requirement of technology on the one hand, and on the other hand rubberizing effect is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubberizing device for welding a cell adapter plate, which can meet the requirement on the accuracy of a rubberizing position.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a rubberizing device for welding of a cell patch, which may include:

a supporting seat;

the welding surface rubberizing mechanism is arranged on the supporting seat and is used for downwards pressing and pasting the transverse part of the rubber strip on the welding surface of the battery cell; and

the electric core surface gluing mechanism is installed on the supporting seat and used for flattening and gluing the upper section of the vertical part of the glue strip towards the electric core surface of the electric core after the welding surface gluing.

In a preferred embodiment, the battery pack further comprises a rotating mechanism, wherein the rotating mechanism is used for driving the supporting seat to rotate so as to rotate the welding surface gluing mechanism and the battery cell surface gluing mechanism to a required gluing angle.

In a preferred embodiment, the rotating mechanism includes a servo motor and a rotating shaft, one end of the rotating shaft is connected with an output shaft of the servo motor, and the other end of the rotating shaft is fixedly connected to the supporting seat.

In a preferred embodiment, the welding surface rubberizing mechanism comprises a first pneumatic sliding table, a pressing block and a first rubber suction plate, the first pneumatic sliding table is vertically fixed on the supporting seat, the pressing block is fixedly connected with the first pneumatic sliding table, the rubber strip is in an L shape, and the first rubber suction plate is in an L shape and fixed on the pressing block and used for sucking the lower part of the rubber strip.

In a preferred embodiment, the first pneumatic sliding table comprises a first air cylinder and a first sliding table, the first air cylinder is fixed on the supporting seat, the pressing block comprises a transverse pressing block part and a vertical pressing block part which form an L shape, the transverse pressing block part is fixedly connected to the first sliding table, and the first glue absorbing plate is fixed on the vertical pressing block part.

In a preferred embodiment, the cell surface gluing mechanism comprises a second pneumatic sliding table, a roller mounting seat, a roller and a second glue sucking plate, the second pneumatic sliding table is fixedly mounted on the first sliding table through a mounting support, the roller mounting seat is fixed on the second pneumatic sliding table, the second glue sucking plate is fixed on the side face of the roller mounting seat and is on the same plane with the vertical part of the first glue sucking plate, the roller is rotatably mounted on the roller mounting seat and is located between the first glue sucking plate and the second glue sucking plate, and the width of the roller is not less than the width of the glue strip.

In a preferred embodiment, the mounting support is in an L shape, a vertical portion of the mounting support is fixed on the first sliding table, and the second pneumatic sliding table is fixed on the bottom surface of the mounting support.

In a preferred embodiment, a reinforcing rib is welded on the upper surface of the mounting seat, and the reinforcing rib is triangular.

In a preferred embodiment, the second pneumatic sliding table comprises a second cylinder and a second sliding table, the second cylinder is fixed on the bottom surface of the mounting support, and the roller mounting seat is fixed on the bottom surface of the second sliding table.

In a preferred embodiment, the rollers are rubber rollers.

By adopting the technical scheme, the device has the advantages that the structure is simple, the use and the maintenance are convenient, the welding surface (the adapter sheet) is taken as a reference surface, the position precision requirement can be met by firstly pasting the welding surface and then pasting the electric core surface, and meanwhile, the gluing effect is stable and the efficiency is high.

Drawings

FIG. 1 is a perspective view of an electrical core assembly to be rubberized;

fig. 2 is a perspective view of a rubberizing device for welding a cell patch according to the present invention;

FIG. 3 is a perspective view of the electrical core assembly shown in FIG. 1 after application of a strip of adhesive by the applicator shown in FIG. 2.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, fig. 1 is a schematic perspective view of an electric core assembly to which an adhesive tape is to be attached. The battery core A and the battery core B are mainly used for providing a core component of the rechargeable battery, and the battery core A and the battery core B are connected with two tabs A1 of the battery core A and two tabs B1 of the battery core B and two adapter pieces C through ultrasonic welding. In the production process, the adhesive tapes are required to be respectively attached to the welding seams (the welding positions of the adapter sheet and the four tabs) at each position, so that burrs such as welding slag are prevented from polluting the battery cell.

Referring to fig. 2, fig. 2 shows a rubberizing device for welding a cell interposer according to the present invention, which may include a support base 1, and a welding surface rubberizing mechanism 2 and a cell surface rubberizing mechanism 3 that are installed on the support base 1, where the welding surface rubberizing mechanism is configured to press a transverse portion 101 of an L-shaped adhesive tape 100 downward onto a welding surface of a cell a or B, and the cell surface rubberizing mechanism is configured to flatten an upper section of a vertical portion 102 of the L-shaped adhesive tape 100 toward a cell surface of the cell a or B and attach the upper section to the cell surface after the welding surface rubberizing. When rubberizing, use face of weld (switching piece) as the reference surface, through pasting the face of weld earlier electric core face of pasting again, can satisfy the position accuracy requirement, rubberizing effect is stable, efficient simultaneously.

Specifically, the welding surface rubberizing mechanism 2 may include a first pneumatic sliding table 21, a pressing block 22, and a first glue absorbing plate 23. Wherein the first pneumatic sliding table 21 is vertically fixed (e.g. by screws) on the support base 1. The pressing block 22 is fixedly connected with the first pneumatic sliding table 21. The first glue absorbing plate 23 is L-shaped and fixed on the bottom and side of the pressing block 22, and is used for absorbing the lower part (including the lower section of the transverse part 101 and the vertical part 102) of the L-shaped glue strip 100. That is, the first glue-absorbing plate 23 is provided at both the bottom surface and the side surface thereof with a plurality of vacuum holes (not shown) connected to a vacuum means, such as a vacuum pump.

The first pneumatic slide 21 is commercially available, for example, as MXQ16 slide cylinder series. In this embodiment, the first pneumatic sliding table 21 may include a first cylinder 211 and a first sliding table 212, wherein the first cylinder 211 is fixed (e.g., by screws) on the supporting base 1. The pressing piece 22 includes a lateral pressing piece portion 221 and a vertical pressing piece portion 222 which form an L-shape. The lateral pressing block portion 221 is fixedly attached to the bottom surface of the first slide table 212. The first gel absorbing plate 23 is fixed on the vertical pressing block portion 222 (specifically, the bottom surface and the side surface). The first cylinder 211 acts to drive the pressing block 22 to move downwards, so as to press the transverse part 101 of the adhesive tape 100 adsorbed on the first adhesive absorption plate 23 against the welding surface (i.e. the welding seam between the tab and the adapter sheet). The compact 22 and the first gel-absorbing plate 23 are typically metallic, such as stainless steel, aluminum, or aluminum alloy.

In this embodiment, the cell surface gluing mechanism 3 includes a second pneumatic sliding table 31, a roller mounting seat 32, a roller 33, and a second glue absorbing plate 34. The second pneumatic slide table 31 is fixedly mounted (for example, by screws) on the first slide table 212 of the first pneumatic slide table 21 by a mounting bracket 35. Specifically, the mounting support 35 is L-shaped, and a vertical portion thereof is fixed on the first sliding table 212; the second pneumatic sliding table 31 is fixed to the bottom surface of the mounting bracket 35. The roller mounting seat 32 is fixed on the bottom surface of the second pneumatic sliding table 31. The second glue absorbing plate 34 is fixed on the side surface of the roller mounting seat 32, and is on the same plane with the vertical part of the first glue absorbing plate 23. The roller 33 is rotatably mounted on the roller mounting seat 32 and located between the first glue absorbing plate 23 and the second glue absorbing plate 34, so as to roll the upper section of the vertical part 102 of the L-shaped glue strip 100 absorbed by the second glue absorbing plate 34 on the surface of the battery cell. The width of the roller 33 is not less than that of the L-shaped adhesive tape 100, so that the adhesive tape 100 can be completely attached, and the adhesive tape is prevented from falling off.

In this embodiment, a reinforcing rib 36 is welded to the upper surface of the mount 35 to improve the strength of the mount 35. The reinforcing ribs 36 are triangular. The roller mount 33, the second rubber suction plate 34, the mount 35, and the reinforcing rib 36 are made of metal such as steel, aluminum alloy, or the like.

The structure of the second pneumatic slide table 31 is the same as that of the first pneumatic slide table 21. Specifically, the second pneumatic slide table 31 includes a second cylinder 311 and a second slide table 312, the second cylinder 311 is fixed (e.g., by screws) on the bottom surface of the mount base 35, and the roller mount base 32 is fixed on the bottom surface of the second slide table 312. That is, the mount 35, the second cylinder 311, and the second slide table 312 are stacked together from top to bottom.

The roller 33 may be made of a metal or non-metal material. Preferably, the roller 33 is a rubber roller, and the rubber has a certain weight and elasticity, so that the L-shaped rubber strip 100 can be firmly compacted without damaging the surface of the battery cell.

In this embodiment, the tape pasting device may further include a rotating mechanism 4, where the rotating mechanism 4 is installed on a fixing bracket (not shown) and is used to drive the supporting seat 1 to rotate, so as to rotate the welding surface tape pasting mechanism 1 and the cell surface tape pasting mechanism 2 to a required tape pasting angle, thereby realizing tape pasting at other angles, for example, 180 degrees of rotation. Specifically, the rotating mechanism 4 includes a servo motor 41 and a rotating shaft 42, the servo motor 41 is fixed on the fixing bracket, the rotating shaft 42 is rotatably mounted on the fixing bracket through a bearing, one end (i.e., the upper end) of the rotating shaft is connected to an output shaft of the servo motor 41, and the other end (i.e., the lower end) of the rotating shaft is fixedly connected to the supporting seat 1.

The operation of the adhesive applying device is briefly described as follows: the to-be-rubberized electric core assembly (comprising the electric cores A and B and the adapter sheet C) moves to a rubberizing station, the L-shaped adhesive tape 100 is adsorbed on the first adhesive suction plate 23 and the second adhesive suction plate 34, the first air cylinder 211 of the welding surface rubberizing mechanism 2 acts to drive the first adhesive suction plate 23 to move downwards, and the transverse part 101 of the L-shaped adhesive tape 100 is pressed and pasted on a welding line between the adapter sheet C and a tab A1 (the front one) of the electric core A. Then, the second cylinder 311 of the cell surface adhesive attaching mechanism 3 acts to drive the roller 33 to move leftward (toward one side of the cell a), at this time, the L-shaped adhesive tape 100 is separated from the second adhesive suction plate 34, and the roller 33 rolls the upper section of the vertical portion 102 of the L-shaped adhesive tape 100 adsorbed by the second adhesive suction plate 34 on the surface of the cell. Then, the servo motor 41 of the rotating mechanism 4 acts to drive the welding surface gluing mechanism 2 and the cell surface gluing mechanism 3 to rotate 180 degrees, and gluing operation of the adapter sheet C and the cell B is completed. And then, the cell component moves forward one position or the rubberizing device moves one position through a corresponding mechanism, and the rubberizing device finishes rubberizing operation of another group of the adapter plates and the cells according to the steps.

While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the utility model can be effected therein by those skilled in the art after reading the above teachings of the utility model. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims

1. The utility model provides a rubberizing device for electric core switching piece welded which characterized in that includes:

a supporting seat;

the electric core surface gluing mechanism is installed on the supporting seat and used for flattening and gluing the upper section of the vertical part of the glue strip towards the electric core surface of the electric core after the welding surface is glued.

2. The rubberizing device for welding of the cell interposer according to claim 1, further comprising a rotating mechanism, wherein the rotating mechanism is configured to drive the support base to rotate, so as to rotate the welding surface rubberizing mechanism and the cell surface rubberizing mechanism to a required rubberizing angle.

3. The rubberizing device for welding the cell adapter sheet according to claim 2, wherein the rotating mechanism comprises a servo motor and a rotating shaft, one end of the rotating shaft is connected with an output shaft of the servo motor, and the other end of the rotating shaft is fixedly connected to the supporting seat.

4. The gluing device for welding the cell adapter sheet according to claim 1, wherein the welding surface gluing mechanism comprises a first pneumatic sliding table, a pressing block and a first glue absorbing plate, the first pneumatic sliding table is vertically fixed on the support base, the pressing block is fixedly connected with the first pneumatic sliding table,

the adhesive tape is L-shaped, and the first adhesive suction plate is L-shaped and fixed on the pressing block and used for sucking the lower part of the adhesive tape.

5. The adhesive bonding device for welding the cell patch according to claim 4, wherein the first pneumatic sliding table comprises a first cylinder and a first sliding table, the first cylinder is fixed on the support seat,

the briquetting is including forming the horizontal briquetting part and the vertical briquetting part of L shape, horizontal briquetting part fixed connection in on the first slip table, first inhaling offset plate is fixed on the vertical briquetting part.

6. The gluing device for welding the cell adapter sheet according to claim 5, wherein the cell surface gluing mechanism comprises a second pneumatic sliding table, a roller mounting seat, a roller and a second glue absorbing plate, the second pneumatic sliding table is fixedly mounted on the first sliding table through a mounting support, the roller mounting seat is fixed on the second pneumatic sliding table, the second glue absorbing plate is fixed on the side surface of the roller mounting seat and is on the same plane with the vertical part of the first glue absorbing plate,

the roller is rotatably arranged on the roller mounting seat and is positioned between the first rubber suction plate and the second rubber suction plate, and the width of the roller is not less than that of the L-shaped rubber strip.

7. The rubberizing device for welding of the cell interposer according to claim 6, wherein the mounting support is L-shaped, a vertical portion of the mounting support is fixed to the first sliding table, and the second pneumatic sliding table is fixed to a bottom surface of the mounting support.

8. The rubberizing device for welding of the cell interposer according to claim 7, wherein a reinforcing rib is welded on an upper surface of the mounting support, and the reinforcing rib is triangular.

9. The rubberizing device for welding of the cell interposer according to claim 7, wherein the second pneumatic sliding table comprises a second cylinder and a second sliding table, the second cylinder is fixed on the bottom surface of the mounting support, and the roller mounting base is fixed on the bottom surface of the second sliding table.

10. The rubberizing device for welding of the cell interposer according to claim 6, wherein the roller is a rubber roller.