Laser welding device for battery adapter plate
By combining the positioning plate and the irregularly shaped pressure head, the problems of positional deviation and fume treatment during the welding process of battery adapter pieces are solved, achieving efficient and reliable welding of battery adapter pieces and improving welding quality and efficiency.
Patent Information
- Application Number
- CN202423122434.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing battery adapter welding methods have the risks of difficulty in controlling welding speed, excessive heat leading to failure of sealing rings and injection molded parts, and individual adapters cannot meet process requirements, easily resulting in positional deviations and poor welding.
Positioning plates are used to position the battery fixtures and adapter pieces. A shaped pressure head and a dust extraction fixture are used for clamping and dust extraction. Combined with elastomer components and hydraulic buffers, uniform force is ensured, enabling efficient and reliable welding of various welding trajectories.
The system achieves symmetrical positioning of the battery terminals and adapter plates, improves welding quality, cleans up fumes, increases welding efficiency by 1/3, and significantly enhances welding quality and reliability.
Smart Images
Figure CN223699646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to battery technical field especially, it is related to a kind of battery adapter piece laser welding device. BACKGROUND
[0002] Due to module process requirement, adapter piece needs to be welded on the surface of battery pole, the thickness of single adapter piece needs to be 4mm-5mm, laser welding needs larger power, welding speed is not easy to be too fast, otherwise it is easy to cause excessive heat generated by welding, when pole temperature is as high as 160 DEG C or more, it will cause pole sealing ring and injection molding piece failure, lead to battery leakage, false welding, fire risk etc.
[0003] Single adapter piece cannot meet process requirement, currently two adapter pieces are welded, due to structural difference, abnormal situation such as small effective compression area of pressure head, pressure head structure, positioning tool abnormality, it can appear not tight, adapter piece eccentricity etc., when laser welding, it is easy to occur burst point, welding tension is low etc.
[0004] In view of pole and adapter piece position consistency, welding device compatibility, welding temperature is too high and other problems, the utility model provides a kind of new, efficient battery adapter piece laser welding device, the device has many advantages, such as high efficiency, accurate positioning, reliable welding, welding quality is excellent etc. SUMMARY
[0005] The utility model aims at providing a kind of battery adapter piece laser welding device, positioning plate is positioned to battery tool and adapter piece, so that bare battery pole and adapter piece center symmetry, after completing first adapter piece welding, without replacing device, after second adapter piece is placed in position, it can be directly welded;The utility model has dust suction tool, and the smoke and dust generated by welding are sucked to dust collector, to ensure welding quality;The laser welding device is pressed down as a whole, to ensure uniform stress, to meet the demand of laser welding.
[0006] To achieve the above object, the technical scheme of the utility model is to provide a kind of battery adapter piece laser welding device, including positioning plate, the lower surface of the positioning plate is provided with recess, and the upper surface is provided with positioning groove, the recess is used for positioning battery pole, and the positioning groove is used for placing first adapter piece and second adapter piece;It also includes pressure head mechanism, for pressing the adapter piece in the positioning groove, the pressure head mechanism includes special-shaped pressure head for pressing down adapter piece, dust suction tool and elastomer assembly, the special-shaped pressure head is left with through hole for laser passing through in the middle, the special-shaped pressure head lower end installs hydraulic bumper, the dust suction tool is fixed on the both sides of the special-shaped pressure head, and is used for sucking smoke and dust during welding;The elastomer assembly is fixed on the top of the special-shaped pressure head, the elastomer assembly is left with passageway corresponding to the through hole in the middle, for laser passing through the passageway and through hole to adapter piece welding.
[0007] As a further improvement of the utility model, the elastic body assembly includes a compression spring, a guide column, a connecting plate and a top plate; one end of the compression spring is fixed at the top of the special-shaped pressing head, and the other end is fixed at the bottom of the connecting plate; the guide column penetrates the compression spring, one end of the guide column is fixed at the top of the special-shaped pressing head, and the other end penetrates the connecting plate and is fixed at the bottom of the top plate; the connecting plate and the top plate are both provided with a round hole for forming the channel.
[0008] As a further improvement of the utility model, the compression spring and the guide column are each provided with four, which are evenly distributed in the circumferential direction of the through hole.
[0009] As a further improvement of the utility model, the dust collection tool includes a dust collection pipe and a dust collection cover, the dust collection pipe is fixedly connected with the special-shaped pressing head, and the dust collection cover is fixedly connected at the lower end of the dust collection pipe.
[0010] As a further improvement of the utility model, the dust collection cover is provided with a flat mouth near the welding end.
[0011] As a further improvement of the utility model, the positioning plate is provided with a handle at both ends.
[0012] As a further improvement of the utility model, the positioning plate is made of bakelite.
[0013] Compared with the prior art, the utility model has the beneficial effects that the positioning plate positions the battery and the adapter piece, the exposed pole and the adapter piece are centrally symmetrical, there is no relative displacement between the two after welding, and the deviation can be controlled within 0.3mm; the special-shaped pressing head does not need to be replaced, can press two kinds of adapter pieces, complete various welding tracks, and the efficiency is improved by 1 / 3; the dust collection tool is symmetrically installed, can clean the smoke dust generated during welding, and guarantees the welding quality of the product. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an appearance view of the battery adapter piece laser welding device of the utility model;
[0015] Figure 2 It is a partial schematic view of the pressing head mechanism of the battery adapter piece laser welding device of the utility model;
[0016] Figure 3 It is a lower surface schematic view of the positioning plate of the battery adapter piece laser welding device of the utility model;
[0017] Figure 4 It is an adapter piece pressing view of the battery adapter piece laser welding device of the utility model.
[0018] The reference numerals are as follows: 1 is the positioning plate, 11 is the groove, 12 is the positioning slot, 2 is the first adapter piece, 3 is the second adapter piece, 100 is the pressure head mechanism, 4 is the irregular pressure head, 41 is the hydraulic buffer, 5 is the dust collection tool, 51 is the dust collection pipe, 52 is the dust collection hood, 6 is the elastomer assembly, 61 is the compression spring, 62 is the guide post, 63 is the connecting plate, and 64 is the top plate. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figures 1 to 4 As shown, this utility model discloses a laser welding device for battery adapter pieces, including a positioning plate 1. The lower surface of the positioning plate 1 is provided with a groove 11, and the upper surface is provided with a positioning groove 12. The groove 11 is used to position the battery terminals, and the positioning groove 12 is used to place the first adapter piece 2 and the second adapter piece 3. It also includes a pressing head mechanism 100 for pressing the adapter pieces in the positioning groove 12. The pressing head mechanism 100 includes a shaped pressing head 4 for pressing down the adapter pieces, a dust suction tool 5, and an elastomer assembly 6. The shaped pressing head 4 has a through hole in the middle for the laser to pass through. A hydraulic buffer 41 is installed at the lower end of the shaped pressing head 4. The dust suction tool 5 is fixed on both sides of the shaped pressing head 4 for sucking up the fumes during welding. The elastomer assembly 6 is fixed on the top of the shaped pressing head 4. The elastomer assembly 6 has a channel in the middle corresponding to the through hole for the laser to pass through the channel and the through hole to weld the adapter pieces.
[0021] Furthermore, such as Figure 2 As shown, the elastomer assembly 6 includes a compression spring 61, a guide post 62, a connecting plate 63, and a top plate 64; one end of the compression spring 61 is fixed to the top of the irregularly shaped pressure head 4, and the other end is fixed to the bottom of the connecting plate 63; the guide post 62 passes through the compression spring 61, one end of the guide post 62 is fixed to the top of the irregularly shaped pressure head 4, and the other end passes through the connecting plate 63 and is fixed to the bottom of the top plate 64; both the connecting plate 63 and the top plate 64 are provided with round holes to form the channel.
[0022] Furthermore, such as Figure 2 As shown, four compression springs 61 and four guide posts 62 are provided, evenly distributed around the through hole in the circumferential direction.
[0023] Furthermore, such as Figure 4As shown, the dust collection tool 5 includes a dust collection pipe 51 and a dust collection cover 52, the dust collection pipe 51 is fixed with the special-shaped pressure head 4, the dust collection cover 52 is fixed at the lower end of the dust collection pipe 51, and the dust collection cover 52 is provided as a flat mouth near the welding end.
[0024] In the above scheme, the main body material of the special-shaped pressure head 4 is brass, which is integrally processed and formed, the upper part is reserved with a diameter of 37mm hole, the exposed welding part, the lower part is designed symmetrically, the curvature is 40°, the size of the lowermost boss is 10mm*10mm*8mm, a hole with a diameter of 6.5mm is processed on the boss, the hydraulic buffer 41 is installed, the model is RB0604, and the adapter piece is pressed; M5 threaded holes are processed on the two sides of the special-shaped pressure head 4, and the dust collection tool 5 is installed; the dust collection pipe 51 is a stainless steel pipe with a diameter of 50mm, the dust collection cover 52 is designed as a horn mouth, which can suck smoke dust in the largest range, the dust collection pipe 51 and the dust collection cover 52 are welded as a whole, and the position and size can be optimized according to the suction effect; the other end of the dust collection tool 5 is connected with the explosion-proof dust collector; four 11.5mm diameter counterbores with a depth of 5mm are opened on the upper surface of the special-shaped pressure head 4, the compression spring 61 is placed; a 4.5mm diameter hole is opened in the center of the counterbores, and the guide column 62 is fixed; the top plate 64 connects the four guide columns 62 into one body, the connecting plate 63 is connected with the air cylinder at the upper end, drives the pressure head mechanism 100 to move up and down, keeps consistent with the lifting, the air cylinder force acts on the compression spring 61, and the compression spring 61 moves up and down with the guide column 62 to act force on the special-shaped pressure head 4; the special-shaped pressure head 4 is connected at the lower end of the guide column 62, and the hydraulic buffer 41 is installed at the lower end; the hydraulic buffer 41 is installed on the special-shaped pressure head 4 through the locking nut, is symmetrically installed, and presses the adapter piece.
[0025] Further, as shown in the Figure 3 The positioning plate 1 is symmetrically provided with a handle at both ends, which is convenient to take.
[0026] Further, the material of the positioning plate 1 is bakelite, the thickness is 20mm, the lower surface is processed with a groove 11 according to the size of the battery, and the upper surface is processed with a positioning groove 12 according to the adapter piece, the depth is set according to the thickness of the adapter piece, the single-sided gap between the adapter piece and the positioning groove 12 is 0.2mm, and the adapter piece is conveniently placed.
[0027] In the preferred embodiment, the material of the positioning plate 1 is bakelite, because bakelite has high mechanical strength, good insulation, heat resistance and corrosion resistance, and is commonly used to manufacture electrical materials.
[0028] In conclusion, the utility model discloses a positioning plate to battery tooling and adapter piece are positioned, make the exposed battery pole post and adapter piece center symmetry, after completing first adapter piece welding, need not to replace device, after second adapter piece is placed to the position, can directly weld, the utility model discloses a self -contained dust -absorbing tool, and the welding smoke is sucked to dust collector, guarantees the welding quality, laser welding device whole down pressure, guarantee even force, satisfy the demand of laser welding, have high efficiency, positioning precision, welding reliable, welding quality superior and a plurality of advantages such as many advantages.
[0029] The above embodiments describe the utility model, but the utility model is not limited to the above disclosed embodiments, and should cover various modifications, equivalent combinations according to the essence of the utility model.
Claims
1. A battery tab laser welding apparatus, characterized by: The utility model provides a positioning plate (1) is provided with recess (11) on the lower surface and positioning groove (12) on the upper surface, recess (11) is used for positioning battery pole, positioning groove (12) is used for placing first adapter piece (2) and second adapter piece (3), and the utility model also provides a pressure head mechanism (100) for pressing adapter piece in positioning groove (12), pressure head mechanism (100) includes special-shaped pressure head (4) for pressing down adapter piece, dust suction tooling (5) and elastomer assembly (6), special-shaped pressure head (4) has through -hole for laser passing through in the middle, hydraulic damper (41) is installed in the lower end of special-shaped pressure head (4), dust suction tooling (5) is fixed on both sides of special-shaped pressure head (4) and is used for sucking smoke and dust during welding, and elastomer assembly (6) is fixed on the top of special-shaped pressure head (4), elastomer assembly (6) has passageway corresponding with through -hole in the middle for laser passing through passageway and through -hole and adapter piece welding.
2. The battery web laser welding apparatus of claim 1, wherein: The elastomer assembly (6) includes a compression spring (61), a guide column (62), a connecting plate (63), and a top plate (64). One end of the compression spring (61) is fixed to the top of the special-shaped pressure head (4), and the other end is fixed to the bottom of the connecting plate (63). The guide column (62) penetrates the compression spring (61), and one end of the guide column (62) is fixed to the top of the special-shaped pressure head (4), and the other end penetrates the connecting plate (63) and is fixed to the bottom of the top plate (64). The connecting plate (63) and the top plate (64) are both provided with a circular hole to form the passageway.
3. The battery web laser welding apparatus of claim 2, wherein: The compression spring (61) and the guide column (62) are each provided with four, which are evenly distributed around the through hole.
4. The battery web laser welding apparatus of claim 3, wherein: The dust suction tooling (5) includes a dust suction pipe (51) and a dust suction cover (52). The dust suction pipe (51) is fixed to the special-shaped pressure head (4), and the dust suction cover (52) is fixed to the lower end of the dust suction pipe (51).
5. The battery web laser welding apparatus of claim 4, wherein: The dust suction cover (52) is provided with a flat mouth near the welding end.
6. The battery web laser welding apparatus of claim 5, wherein: The positioning plate (1) is symmetrically provided with handles at both ends.
7. The battery web laser welding apparatus of claim 6, wherein: The positioning plate (1) is made of bakelite.