CN113182676A - Welding assembly and welding method of battery adapter plate - Google Patents
Welding assembly and welding method of battery adapter plate Download PDFInfo
- Publication number
- CN113182676A CN113182676A CN202110441403.XA CN202110441403A CN113182676A CN 113182676 A CN113182676 A CN 113182676A CN 202110441403 A CN202110441403 A CN 202110441403A CN 113182676 A CN113182676 A CN 113182676A
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- China
- Prior art keywords
- welding
- workpiece
- sheet
- battery
- placing groove
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
A welding assembly and a welding method of a battery adapter plate are provided, the welding assembly comprises: a laser; the workpiece fixture comprises a base, a workpiece mounting part arranged on the base and a welding clamping block arranged on the workpiece mounting part, wherein a workpiece mounting position for fixing a workpiece and a welding sheet placing groove for placing a welding sheet are arranged on the workpiece mounting part; the rotary seat, the work piece holder set up in on the rotary seat, the rotary seat can drive the work piece holder is rotatory around the axis of work piece. The welding assembly adopts a continuous light emitting and rotary welding mode, and solves the problems of difficult accurate focusing of laser focal length and low welding reliability and yield caused by low welding strength when the adapter plate is welded by adopting a spot welding mode in the prior art.
Description
Technical Field
The invention belongs to the technical field of processing equipment, and particularly relates to a welding assembly and a welding method of an arc-shaped adapter plate.
Background
In recent years, wearable electronic products are more and more popular in life, and button batteries are the main power supply form of the wearable electronic products. The button cell needs to weld the switching piece to the cell in the PACK technology, and because the global of button cell is circular arc, the problem that it is difficult to focus, welding intensity is low to exist when welding circular-arc switching piece because of the welding focal length change, has influenced the welding reliability between switching piece and the cell, and then also can influence the quality of battery.
Disclosure of Invention
The invention aims to provide a welding assembly and a welding method which can solve the problem of low welding strength of an arc-shaped adapter plate.
In order to achieve the purpose, the invention adopts the following technical solutions:
a welding assembly, comprising: a laser; the workpiece fixture comprises a base, a workpiece mounting part arranged on the base and a welding clamping block arranged on the workpiece mounting part, wherein a workpiece mounting position for fixing a workpiece and a welding sheet placing groove for placing a welding sheet are arranged on the workpiece mounting part; the rotary seat, the work piece holder set up in on the rotary seat, the rotary seat can drive the work piece holder is rotatory around the axis of work piece.
More specifically, the workpiece mounting position is a groove, and the welding piece placing groove is communicated with the groove.
More specifically, the welding face and the welding piece of work piece are the arc, the welding piece standing groove is the arc wall.
More specifically, the work mounting portion is provided with at least one welding piece placement groove.
More specifically, the clamping portion and the weld tab receiving slot are in interference fit.
More specifically, the clamping part is a pair of elastic arms protruding from the welding clamping block, and the light-transmitting groove is located between the elastic arms.
More specifically, the front end of the welding sheet placing groove is a horn-shaped opening.
More specifically, the rotating base is provided with clamping jaws which are uniformly arranged at intervals along the circumference, and the clamping jaws can move along the radial direction of the rotating base so as to clamp the workpiece clamp.
The invention also provides a welding method of the battery adapter plate, the battery and the adapter plate are welded by adopting the welding assembly, and the welding method comprises the following steps:
fixing a battery on a workpiece mounting position, placing the adapter sheet in the welding sheet placing groove, and assembling the welding clamping block and the welding sheet placing groove together, so that the clamping part of the welding clamping block presses the adapter sheet on the peripheral surface of the battery;
fixing the workpiece holder to the rotary base;
and starting the laser, driving the workpiece clamp to rotate around the axis of the battery by the rotating seat, and continuously emitting light from the laser up and down along the axis direction of the battery to weld the butt joint piece.
More specifically, after the welding is completed, a zigzag laser welding track is formed on the adapter plate.
According to the technical scheme, the welding assembly adopts a laser continuous light emitting mode to weld a workpiece and a welding sheet with an arc-shaped welding surface, and the workpiece rotates around the axis of the workpiece in the welding process by matching with a rotatable workpiece clamp and a rotary seat, so that the problem of poor welding quality caused by difficulty in focusing due to welding focal length change in arc sheet welding is solved, and the laser continuous light emitting mode has higher welding strength and better welding reliability compared with a conventional spot welding mode.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of a workpiece holder according to an embodiment of the invention;
FIG. 3 is a schematic view of a battery mounted on the work holder;
fig. 4 is a schematic view of the battery after welding is completed.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed Description
The invention will be described in detail below with reference to the accompanying drawings, wherein for the purpose of illustrating embodiments of the invention, the drawings showing the structure of the device are not to scale but are partly enlarged, and the schematic drawings are only examples, and should not be construed as limiting the scope of the invention. It is to be noted, however, that the drawings are designed in a simplified form and are not to scale, but rather are to be construed in an attempt to more clearly and concisely illustrate embodiments of the present invention.
Referring to fig. 1, the welding assembly of this embodiment includes laser 1, work holder 2 and roating seat 3, and battery 10 and adaptor piece are installed on work holder 2, and work holder 2 sets up on roating seat 3, and work holder 2 can be rotatory around the axis of battery 10 under the drive of roating seat 3.
As shown in fig. 2, the work holder 2 of the present embodiment includes a base 2-1, a work mounting portion 2-2, and a welding clamp block provided on the work mounting portion 2-2. The workpiece mounting part 2-2 is arranged on the base 2-1, the base 2-1 and the workpiece mounting part 2-2 of the embodiment are both cylindrical, and the diameter of the workpiece mounting part 2-2 is smaller than that of the base 2-1 and protrudes upwards from the top surface of the base 2-1. In other embodiments, the base and workpiece mounting portion may take other shapes. The workpiece mounting part 2-2 is provided with a workpiece placing groove 2-2a for accommodating a battery, and the embodiment adopts a groove structure as a workpiece mounting position, so that the battery is conveniently and fixedly mounted. The welding surface of the button battery is arc-shaped, the side wall of the workpiece placing groove 2-2a is provided with a welding sheet placing groove, and the welding sheet placing groove is an arc-shaped groove and used for placing arc-shaped switching sheets. In other embodiments, the workpiece mounting location may also take the form of a protrusion to secure the battery. The welding piece placing groove is communicated with the workpiece placing groove 2-2a, so that when the arc-shaped adapter piece is placed in the welding piece placing groove, the adapter piece can be contacted with the surface of the battery. Button cell's switching piece includes spacer and negative pole nickel piece, then this embodiment has set up two welding piece standing grooves on work piece installation department 2-2 altogether: a first welding piece placing groove 2-2b for placing the cathode nickel piece and a second welding piece placing groove 2-2c for placing the positioning piece.
The welding clamping blocks and the welding sheet placing grooves are correspondingly arranged, the welding clamping blocks of the embodiment comprise first welding clamping blocks 2-3 correspondingly arranged with the first welding sheet placing grooves 2-2b and second welding clamping blocks 2-4 correspondingly arranged with the second welding sheet placing grooves 2-2c, the two welding clamping blocks are identical in structure, and the structure of the welding clamping blocks is described by taking the first welding clamping blocks as an example with reference to fig. 2. The first welding clamping block 2-3 is provided with a light transmission groove 2-3a for laser to penetrate through, so that laser emitted by the laser 1 can penetrate through the light transmission groove 2-3a to weld the adapter plate and the battery together. The first welding clamping block 2-3 is further provided with a clamping part 2-3b matched with the first welding sheet placing groove 2-2b, the clamping part 2-3b of the embodiment is a pair of elastic arms protruding out of the first welding clamping block 2-3, and the light transmission groove is located between the two elastic arms. The clamping portion 2-3b can be matched with the first welding sheet placing groove 2-2b to press the adapter sheet on the surface of the battery. The first welding clamping block 2-3 is preferably used for mounting and clamping the adapter plate by means of interference fit of the clamping part 2-3b and the first welding plate placing groove 2-2b, but in other embodiments, the mounting may be performed by means of a snap fit or the like. Interference fit mode convenient assembling, it is efficient. Preferably, in order to facilitate the mounting of the clamping portion (welding clamp block), the front end (end opposite to the laser) of the welding sheet placing groove is a trumpet-shaped opening which can guide the clamping portion to be mounted in the welding sheet placing groove. After the battery is installed, the clamping part extends into the welding sheet placing groove and presses the adapter sheet on the surface of the battery, and laser can penetrate through the light transmission grooves 2-3a and irradiate on the adapter sheet.
The rotary base 3 of the present embodiment is a jaw type clamping base, as shown in fig. 1, the rotary base 3 is provided with 3 clamping jaws 3-1 uniformly spaced along the circumference, the clamping jaws 3-1 extend along the radial direction of the rotary base 3 and can move in the radial direction, and the clamping jaws can be controlled to move by a conventional driving unit such as a motor and an air cylinder. After the work holder 2 is mounted on the rotary base 3, it is fixed to the rotary base 3 by being radially clamped by the clamping jaws 3-1. The rotary base 3 can rotate around its own axis (axis of the battery) under the driving of a driving unit such as a motor, and drives the workpiece holder 2 mounted thereon to rotate together.
The process of soldering the interposer using the soldering assembly is described below with reference to fig. 1 and 3.
As shown in fig. 3, when the adapter sheet is welded, the battery 10 and the adapter sheet (the negative electrode nickel sheet 11 and the positioning sheet) are respectively placed in the workpiece placing groove 2-2a and the welding sheet placing grooves (2-2b, 2-2c), and then the welding clamping blocks (2-3, 2-4) and the welding sheet placing grooves are assembled together, so that the adapter sheet is tightly pressed on the outer surface (circumferential surface) of the battery 10 by the welding clamping blocks, and the position accuracy of the battery and the adapter sheet is ensured;
as shown in fig. 1, the work holder 2 is assembled on the rotary base 3, clamped and fixed;
starting the laser 1, enabling the rotating seat 3 to drive the workpiece clamp 2 to rotate around the axis of the battery 10, enabling the laser 1 to continuously emit light up and down along the axis direction of the battery 10 in an up-and-down moving mode or a vibrating mirror mode, and welding a butt joint sheet;
as shown in fig. 4, after the welding is completed, a zigzag-shaped laser welding trace is formed on the adapter sheet.
The welding assembly adopts a continuous light emitting and rotary welding mode, and solves the problems of difficult accurate focusing of laser focal length and low welding reliability and yield caused by low welding strength when the adapter plate is welded by adopting a spot welding mode in the prior art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A welding assembly, comprising:
a laser;
the workpiece fixture comprises a base, a workpiece mounting part arranged on the base and a welding clamping block arranged on the workpiece mounting part, wherein a workpiece mounting position for fixing a workpiece and a welding sheet placing groove for placing a welding sheet are arranged on the workpiece mounting part;
the rotary seat, the work piece holder set up in on the rotary seat, the rotary seat can drive the work piece holder is rotatory around the axis of work piece.
2. The welding assembly of claim 1 wherein: the workpiece mounting position is a groove, and the welding sheet placing groove is communicated with the groove.
3. The welding assembly of claim 1 wherein: the welding surface and the welding sheet of the workpiece are both arc-shaped, and the welding sheet placing groove is an arc-shaped groove.
4. The welding assembly of claim 1 wherein: at least one welding sheet placing groove is formed in the workpiece mounting portion.
5. The welding assembly of claim 1 wherein: the clamping portion is in interference fit with the welding sheet placing groove.
6. The welding assembly of claim 1 wherein: the clamping part is a pair of elastic arms protruding out of the welding clamping block, and the light-transmitting groove is located between the elastic arms.
7. The welding assembly of claim 1 wherein: the front end of the welding sheet placing groove is a horn-shaped opening.
8. The welding assembly of claim 1 wherein: the rotary seat is provided with clamping jaws which are uniformly arranged at intervals along the circumference, and the clamping jaws can move along the radial direction of the rotary seat so as to clamp the workpiece clamp.
9. The welding method of the battery adapter plate is characterized in that: welding the battery and the interposer with the welding assembly of any of claims 1 to 8, comprising the steps of:
fixing a battery on a workpiece mounting position, placing the adapter sheet in the welding sheet placing groove, and assembling the welding clamping block and the welding sheet placing groove together, so that the clamping part of the welding clamping block presses the adapter sheet on the peripheral surface of the battery;
fixing the workpiece holder to the rotary base;
and starting the laser, driving the workpiece clamp to rotate around the axis of the battery by the rotating seat, and continuously emitting light from the laser up and down along the axis direction of the battery to weld the butt joint piece.
10. The welding method of claim 9, wherein: and after welding is finished, forming a fold-line-shaped laser welding track on the switching sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441403.XA CN113182676B (en) | 2021-04-23 | 2021-04-23 | Welding assembly and welding method of battery adapter plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441403.XA CN113182676B (en) | 2021-04-23 | 2021-04-23 | Welding assembly and welding method of battery adapter plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113182676A true CN113182676A (en) | 2021-07-30 |
| CN113182676B CN113182676B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110441403.XA Active CN113182676B (en) | 2021-04-23 | 2021-04-23 | Welding assembly and welding method of battery adapter plate |
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| Country | Link |
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| CN (1) | CN113182676B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204160042U (en) * | 2014-08-20 | 2015-02-18 | 武汉华工激光工程有限责任公司 | A kind of power battery case laser beam welding workstation |
| JP2016203220A (en) * | 2015-04-24 | 2016-12-08 | デュプロ精工株式会社 | Laser cutter apparatus equipped with bending line forming tool |
| CN205985177U (en) * | 2016-09-09 | 2017-02-22 | 东莞塔菲尔新能源科技有限公司 | Welded structure of power battery utmost point post and switching piece |
| CN107394275A (en) * | 2017-07-06 | 2017-11-24 | 深圳市海目星激光科技有限公司 | A kind of battery core switching chip bonding machine |
| CN209773755U (en) * | 2019-01-22 | 2019-12-13 | 中兴高能技术有限责任公司 | Apron changes device and welding set |
-
2021
- 2021-04-23 CN CN202110441403.XA patent/CN113182676B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204160042U (en) * | 2014-08-20 | 2015-02-18 | 武汉华工激光工程有限责任公司 | A kind of power battery case laser beam welding workstation |
| JP2016203220A (en) * | 2015-04-24 | 2016-12-08 | デュプロ精工株式会社 | Laser cutter apparatus equipped with bending line forming tool |
| CN205985177U (en) * | 2016-09-09 | 2017-02-22 | 东莞塔菲尔新能源科技有限公司 | Welded structure of power battery utmost point post and switching piece |
| CN107394275A (en) * | 2017-07-06 | 2017-11-24 | 深圳市海目星激光科技有限公司 | A kind of battery core switching chip bonding machine |
| CN209773755U (en) * | 2019-01-22 | 2019-12-13 | 中兴高能技术有限责任公司 | Apron changes device and welding set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113182676B (en) | 2023-03-10 |
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