CN215145702U - Be applied to accurate laser welding's of small-size polymer battery device - Google Patents

Be applied to accurate laser welding's of small-size polymer battery device Download PDF

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Publication number
CN215145702U
CN215145702U CN202120714195.1U CN202120714195U CN215145702U CN 215145702 U CN215145702 U CN 215145702U CN 202120714195 U CN202120714195 U CN 202120714195U CN 215145702 U CN215145702 U CN 215145702U
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China
Prior art keywords
welding
polymer battery
lug
battery
cushion block
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CN202120714195.1U
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Chinese (zh)
Inventor
何其泰
陈华新
李路强
曾贤华
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Huizhou Everpower Technology Co ltd
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Huizhou Everpower Technology Co ltd
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Abstract

The utility model relates to a be applied to accurate laser welding's of small-size polymer battery device, include welded platform portion and compress tightly the portion. The top face of welded platform portion is provided with the battery spacing groove of indent, and the leading flank of welded platform portion is provided with the channel bar of indent, and the vertical setting of channel bar, battery spacing groove run through welded platform portion's leading flank and communicate with the channel bar, and the tank bottom surface of channel bar is connected with anodal welding cushion and negative pole welding cushion. The small polymer battery is placed in the battery limiting groove, and the positive pole lug and the negative pole lug of the small polymer battery are respectively placed on the positive pole welding cushion block and the negative pole welding cushion block. The pressing portion comprises two fixing blocks and two pressing rods, the middle portions of the fixing blocks and the pressing rods are hinged, the fixing blocks are arranged on the front side face of the welding platform portion, accommodating gaps are formed among the fixing blocks, the anode welding cushion blocks and the cathode welding cushion blocks and used for accommodating a PCB, the PCB is connected with two welding discs, and the two welding discs are stacked on the anode lug and the cathode lug respectively.

Description

Be applied to accurate laser welding's of small-size polymer battery device
Technical Field
The utility model relates to a laser welding field especially relates to a be applied to accurate laser welding's of small-size polymer battery device.
Background
The polymer battery has the advantages of high voltage, high specific energy, more recycling times, long storage time and the like, so the polymer battery is widely applied to the industries of electronic products and power energy. At present, laser welding technology is more and more widely applied to welding of small polymer batteries and PCBs, and laser welding technology has the characteristics of high efficiency, high precision and the like, but laser welding has high requirements on alignment placement and contact of connection lugs of the small polymer batteries and welding discs of the PCBs.
At present, the precision laser welding of the small polymer battery has the following technical problems:
1. an operator manually aligns the small polymer battery with a welding disc of the PCB, so that the production efficiency is low;
2. because the connecting lug of the small polymer battery and the welding disc of the PCB are pressed manually by depending on operators, the action difference of the operators inevitably causes the consistency lack of the contact between the connecting lug and the welding disc, thereby increasing the laser welding reject ratio of the small polymer battery and the PCB.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a be applied to small-size polymer battery precision laser welding's device, the device can realize simultaneously that the connection utmost point ear of small-size polymer battery and the welding dish of PCB board aim at, compress tightly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an apparatus for precision laser welding of small polymer batteries, comprising: a welding platform part and a pressing part. The welding platform part is used for placing the small polymer battery and the PCB, and the pressing part is used for realizing the alignment and pressing of the connection lug of the small polymer battery and the welding disc of the PCB.
The top face of welded platform portion is provided with the battery spacing groove of indent, and the leading flank of welded platform portion is provided with the channel bar of indent, and the vertical setting of channel bar, battery spacing groove run through welded platform portion's leading flank and communicate with the channel bar, and the tank bottom surface of channel bar is connected with anodal welding cushion and negative pole welding cushion. The small polymer battery is placed in the battery limiting groove, and the positive pole lug and the negative pole lug of the small polymer battery are respectively placed on the positive pole welding cushion block and the negative pole welding cushion block.
The pressing portion comprises two fixing blocks and two pressing rods, the middle portions of the fixing blocks and the pressing rods are hinged, the fixing blocks are arranged on the front side face of the welding platform portion, and accommodating gaps are formed among the fixing blocks, the positive welding cushion blocks and the negative welding cushion blocks and used for accommodating the PCB.
In one embodiment, a lower magnet is arranged on the top end face of the fixing block close to the welding platform part, an upper magnet is arranged on the bottom of the pressure rod close to the front end of the welding platform part, and the position of the upper magnet is matched with that of the lower magnet. The rear end of the pressure lever away from the welding platform part is used for applying a rotary driving force. When the pressure lever is rotated to enable the front end of the pressure lever to approach the top end face of the fixed block until the upper magnet is matched and connected with the lower magnet, the pressure lever and the fixed block are in a buckling state; when the applied rotating force is larger than the connecting force of the upper magnet and the lower magnet, the front end of the pressure rod is rotated towards the direction far away from the top end face of the fixed block by rotating the pressure rod, and the pressure rod and the fixed block are in a separated state at the moment.
In one embodiment, the top end face of the fixed block is provided with a magnet at a part close to the welding platform part, and the pressure rod is made of a magnetic material. The rear end of the pressure lever away from the welding platform part is used for applying a rotary driving force. When the pressing rod is rotated to enable the front end of the pressing rod to approach the top end face of the fixed block until the magnet attracts the front end of the pressing rod, the pressing rod and the fixed block are in a buckling state at the moment; when the applied rotating force is larger than the connecting force of the magnet and the pressing rod, the pressing rod is rotated to enable the front end of the pressing rod to rotate towards the direction far away from the top end face of the fixed block, and the pressing rod and the fixed block are in a separated state at the moment.
And a through hole is formed in the end part of the front end of the pressure lever, and when the pressure lever and the fixed block are in a buckling state, the projection of the through hole on the positive pole welding cushion block/the negative pole welding cushion block covers the welding position of a positive pole lug/a negative pole lug of the small polymer battery and a welding disc of the PCB.
The device applied to the precision laser welding of the small polymer battery comprises the following steps:
step one, a pressure lever and a fixed block are in a separated state, an operator places a small polymer battery in a battery limiting groove, and a positive electrode lug and a negative electrode lug of the small polymer battery are respectively placed on a positive electrode welding cushion block and a negative electrode welding cushion block;
secondly, an operator places the PCB in the accommodating gap, the PCB is connected with two welding discs, the two welding discs are respectively placed on the positive electrode welding cushion block and the negative electrode welding cushion block, at the moment, the two welding discs are respectively stacked on the positive electrode lug and the negative electrode lug of the small polymer battery, and at the moment, the two welding discs are both in a vertical connection state with the PCB;
step three, an operator rotates the compression bars to enable the compression bars to be buckled with the fixed block, the compression bars are contacted with the welding discs, and at the moment, the two compression bars respectively compress the welding discs and the positive pole lug of the small polymer battery, the other welding disc and the negative pole lug of the small polymer battery, so that the positive pole lug/the negative pole lug is tightly attached to the welding discs;
step four, when the compression bar and the fixed block are in a buckling state, the projection of the through hole of the compression bar on the welding disc covers the welding part, so that the laser welding device is aligned with the through hole to emit a high-energy beam laser spot, the high-energy beam laser spot penetrates through the part falling on the welding disc and is positioned in the range defined by the through hole, and the precise welding of the positive electrode lug/the negative electrode lug and the welding disc can be realized;
and fifthly, after the precision laser welding is completed, the operator rotates the pressing rod to separate the pressing rod from the fixing block, the welded small polymer battery and the PCB are taken out, and the steps are repeated to complete the precision laser welding between the next small polymer battery and the PCB.
Compared with the prior art, the utility model provides a pair of be applied to accurate laser welding's of small-size polymer battery device, it sets up simply, effective, practical, low cost, makes accurate laser welding efficiency between small-size polymer battery and the PCB board promote by a wide margin, and meanwhile operating personnel's intensity of labour has also obtained the reduction.
The following description will be given with reference to specific examples.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of an apparatus for precision laser welding of small polymer batteries, provided in example 1.
Fig. 2 is a top view of the apparatus for precision laser welding of small polymer batteries according to example 1.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a schematic structural diagram of an apparatus for precision laser welding of small polymer batteries, provided in example 2.
Fig. 5 is an enlarged view of a portion B of fig. 4.
Wherein the reference numerals are: 1. a welding platform part; 11. a battery limiting groove; 12. groove strips; 13. welding a cushion block on the positive electrode; 14. welding a cushion block on the negative electrode; 2. a pressing part; 21. a fixed block; 211. a magnet; 22. a pressure lever; 221. a through hole; 3. a small-sized polymer battery; 31. a positive electrode tab; 32. a negative electrode tab; 4, PCB board; 41. and (7) welding a disc.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" 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. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Example 1
As shown in fig. 1 to 3, the present embodiment provides an apparatus for precision laser welding of a small-sized polymer battery, comprising: a welding platform part 1 and a pressing part 2.
The top face of welded platform portion 1 is provided with the battery spacing groove 11 of indent, and the leading flank of welded platform portion 1 is provided with the gib block 12 of indent, and gib block 12 is vertical to be set up, and battery spacing groove 11 runs through the leading flank of welded platform portion 1 and communicates with gib block 12, and the tank bottom surface of gib block 12 is connected with anodal welding cushion 13 and negative pole welding cushion 14. The small polymer battery 3 is placed in the battery limiting groove, and the positive pole tab 31 and the negative pole tab 32 of the small polymer battery 3 are respectively placed on the positive pole welding cushion block 13 and the negative pole welding cushion block 14.
The pressing part 2 comprises two fixing blocks 21 and two pressing rods 22, the middle parts of the fixing blocks 21 and the pressing rods 22 are hinged, the fixing blocks 21 are arranged on the front side face of the welding platform part 1, and accommodating gaps are formed among the fixing blocks 21, the anode welding cushion blocks 13 and the cathode welding cushion blocks 14 and used for accommodating the PCB 4.
The top end face of the fixed block 21 is provided with a magnet 211 at a portion close to the welding platform part 1, and the pressing rod 22 is made of a magnetic material. The rear end of the presser bar 22 remote from the welding platform part 1 is used for applying a rotational driving force.
The end of the front end of the pressure lever 22 is provided with a through hole 221, and when the pressure lever 22 and the fixed block 21 are in a fastening state, the projection of the through hole 221 on the positive electrode welding cushion block 13 and the negative electrode welding cushion block 14 covers the welding position of the positive electrode tab 31/the negative electrode tab 32 of the small polymer battery 3 and the welding disc 41 of the PCB 4.
Example 2
As shown in fig. 4-5, the present embodiment provides an apparatus for precision laser welding of small polymer batteries. The apparatus provided in this embodiment is different from the apparatus provided in embodiment 1 only in that: 1. in this embodiment, a lower magnet (not shown in the drawings) is disposed on a portion of the top end surface of the fixed block 21 close to the welding platform part 1, an upper magnet (not shown in the drawings) is disposed on a bottom portion of the pressure lever 22 close to the front end of the welding platform part 1, and the upper magnet and the lower magnet are used in a matching manner; 2. in this embodiment, the small polymer batteries 3 have different specifications, and the specifications of the small polymer batteries 3 are matched with the battery stopper grooves 11.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (3)

1. The utility model provides a be applied to accurate laser welding's of small-size polymer battery device which characterized in that:
comprises a welding platform part and a pressing part;
the top end face of the welding platform part is provided with an inwards concave battery limiting groove, the front side face of the welding platform part is provided with an inwards concave groove strip, the groove strip is vertically arranged, the battery limiting groove penetrates through the front side face of the welding platform part and is communicated with the groove strip, and the groove bottom face of the groove strip is connected with a positive welding cushion block and a negative welding cushion block;
the small polymer battery is placed in the battery limiting groove, and a positive electrode lug and a negative electrode lug of the small polymer battery are respectively placed on the positive electrode welding cushion block and the negative electrode welding cushion block;
the pressing part comprises two fixing blocks and two pressure rods, the fixing blocks are hinged with the middle parts of the pressure rods, the fixing blocks are arranged on the front side surface of the welding platform part, accommodating gaps are formed among the fixing blocks, the positive welding cushion blocks and the negative welding cushion blocks and used for accommodating a PCB (printed circuit board), the PCB is connected with two welding discs, and the two welding discs are respectively stacked on the positive electrode lug and the negative electrode lug;
the front end of the compression bar can be contacted with or separated from the welding disc by rotating the compression bar, a through hole is formed in the end portion of the front end of the compression bar, the projection of the through hole on the positive welding cushion block covers the welding position of the positive pole lug and the welding disc, and the projection of the through hole on the negative welding cushion block covers the welding position of the negative pole lug and the welding disc.
2. The apparatus of claim 1, wherein: the top end face of fixed block is close to the part of welded platform portion is provided with down magnet, the bottom of depression bar front end is provided with magnet, go up magnet with down the magnet cooperation is connected.
3. The apparatus of claim 1, wherein: the top end face of the fixed block is provided with a magnet near the welding platform part, and the magnet is connected with the pressing rod.
CN202120714195.1U 2021-04-08 2021-04-08 Be applied to accurate laser welding's of small-size polymer battery device Active CN215145702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120714195.1U CN215145702U (en) 2021-04-08 2021-04-08 Be applied to accurate laser welding's of small-size polymer battery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120714195.1U CN215145702U (en) 2021-04-08 2021-04-08 Be applied to accurate laser welding's of small-size polymer battery device

Publications (1)

Publication Number Publication Date
CN215145702U true CN215145702U (en) 2021-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120714195.1U Active CN215145702U (en) 2021-04-08 2021-04-08 Be applied to accurate laser welding's of small-size polymer battery device

Country Status (1)

Country Link
CN (1) CN215145702U (en)

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