CN206952364U - Point ring-shaped light spot welder - Google Patents

Point ring-shaped light spot welder Download PDF

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Publication number
CN206952364U
CN206952364U CN201720793031.6U CN201720793031U CN206952364U CN 206952364 U CN206952364 U CN 206952364U CN 201720793031 U CN201720793031 U CN 201720793031U CN 206952364 U CN206952364 U CN 206952364U
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China
Prior art keywords
ring
shaped light
light spot
condenser lens
lens
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Active
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CN201720793031.6U
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Chinese (zh)
Inventor
刘继国
刘昊
徐作斌
胡勇
高云峰
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Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
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Han s Laser Technology Industry Group Co Ltd
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Abstract

The utility model provides a kind of point ring-shaped light spot welder, it includes optical fiber, collimation lens, circular point shape hot spot condenser lens, Conical Lenses and the ring-shaped light spot condenser lens sequentially placed, light beam sequentially by optical fiber, collimation lens, circular point shape hot spot condenser lens, Conical Lenses and ring-shaped light spot condenser lens after, obtain a ring-shaped light spot.Point ring-shaped light spot caused by the utility model, in welding process, centre dot shape hot spot carries out heating fusing to metal, produces keyhole effect and carries out Laser Deep Penetration Welding.The first half of ring-shaped light spot is preheated and cleaned to metal, and latter half can be with smooth face of weld, so as to improve weld appearance uniformity.

Description

Point ring-shaped light spot welder
Technical field
The utility model belongs to the technical field of laser welding, more particularly to a kind of point ring hot spot welder.
Background technology
Electrokinetic cell refers to provides power resources for equipment such as pure electric automobile, plug-in hybrid vehicle and electric bicycles Battery.Current driving force battery is mostly using the lithium battery of aluminum hull encapsulation.Be characterized in service life it is long, it is higher than energy, possess High power ability to bear and green etc..
Electrokinetic cell largely employs laser welding process in the fabrication process.The hot spot of its laser welding is energy density The circular point shape hot spot of high concentration.This circular point shape hot spot can obtain consistent when speed of welding is relatively low (below 100mm/s) The higher weld appearance of property.But when speed of welding greatly improves (more than 200mm/s), weldering that this circular point shape hot spot obtains Seam appearance consistency drastically reduces.When weld appearance uniformity reduces, the molten wide of weld seam and fusion penetration can be caused unstable, seriously When can produce burn-through or rosin joint, so that welding quality can not be ensured.
Utility model content
The purpose of this utility model is that providing one kind overcomes circular point shape hot spot in electrokinetic cell high-speed welding, outside weld seam The point ring-shaped light spot welder for the problems such as seeing uniformity difference.
The utility model provides a kind of point ring-shaped light spot welder, and it includes the optical fiber, collimation lens, circle sequentially placed Point shape hot spot condenser lens, Conical Lenses and ring-shaped light spot condenser lens, light beam sequentially pass through optical fiber, collimation lens, circular point shape After hot spot condenser lens, Conical Lenses and ring-shaped light spot condenser lens, a ring-shaped light spot is obtained.
Preferably, the circular point shape hot spot condenser lens includes inner ring condenser lens and plane of outer ring lens.
Preferably, the Conical Lenses is in concave configuration, and centre has a through hole, and the diameter of through hole is than the circular point shape The diameter of the inner ring of hot spot condenser lens is small.
Preferably, the angle of wedge of the Conical Lenses is 0.57 ° -0.58 °.
Preferably, there is a through hole in the centre of the ring-shaped light spot condenser lens, the diameter of its through hole and Conical Lenses Through-hole diameter is identical.
Preferably, the through-hole diameter of the ring-shaped light spot condenser lens and Conical Lenses is 7mm-11mm.
Preferably, the focal length of the focal length of the circular point shape hot spot condenser lens=ring-shaped light spot condenser lens+circular point shape light The distance between spot condenser lens and ring-shaped light spot condenser lens.
Preferably, a diameter of 45mm-55mm of the collimation lens, its focal length are 240mm-260mm, the collimation lens Distance with fiber end face is 240mm-260mm.
Preferably, the outer annular diameter of the circular point shape hot spot condenser lens is 45mm-55mm, and its inner ring diameter is 8mm- 12mm。
Preferably, the distance of the Conical Lenses and ring-shaped light spot condenser lens is 16mm-24mm.
Point ring-shaped light spot caused by the utility model, in welding process, centre dot shape hot spot heats to metal Fusing, produce keyhole effect and carry out Laser Deep Penetration Welding.The first half of ring-shaped light spot is preheated and cleaned to metal, latter half of Dividing can be with smooth face of weld, so as to improve weld appearance uniformity.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model point ring-shaped light spot welder;
Fig. 2 is the point ring-shaped light spot schematic diagram that point ring-shaped light spot welder shown in Fig. 1 is formed;
Fig. 3 is the structural representation of the Conical Lenses of point ring-shaped light spot welder shown in Fig. 1.
Embodiment
As shown in Figure 1 to Figure 3, the utility model point ring-shaped light spot welder, it includes optical fiber 1, the standard sequentially placed Straight lens 2, circular point shape hot spot condenser lens 3, Conical Lenses 4 and ring-shaped light spot condenser lens 5, light beam sequentially pass through optical fiber 1, standard After straight lens 2, circular point shape hot spot condenser lens 3, Conical Lenses 4 and ring-shaped light spot condenser lens 5, a ring-shaped light spot 6 is obtained.
Circular point shape hot spot condenser lens 3 includes inner ring condenser lens and plane of outer ring lens, the size of inner ring condenser lens Determine the energy proportioning of circular point shape hot spot and ring-shaped light spot.
Conical Lenses 2 is in concave configuration, and centre has a through hole, and the diameter of through hole is than circular point shape hot spot condenser lens 3 The small 1mm of inner ring diameter.
The through-hole diameter phase of a through hole, its through-hole diameter and Conical Lenses 2 be present in the centre of ring-shaped light spot condenser lens 5 Together.
The focal length f2+ circular point shapes hot spot of the focal length f1=ring-shaped light spots condenser lens 5 of circular point shape hot spot condenser lens 3 focuses on The distance between lens 3 and ring-shaped light spot condenser lens 5 L.
The distance of ring-shaped light spot condenser lens 5 and Conical Lenses 4, and the taper of Conical Lenses 4 together decide on ring light The toroid size of spot 6.
Wherein, a diameter of 45mm-55mm (preferably 50mm) of collimation lens 2, its focal length is that 240mm-260mm is (best For 250mm), the distance of the collimation lens 2 and the end face of optical fiber 1 is 240mm-260mm (preferably 250mm);Circular point shape hot spot gathers The outer annular diameter of focus lens 3 is 45mm-55mm (preferably 50mm), and its inner ring diameter is 8mm-12mm (preferably 10mm);Circle The angle of wedge A of axicon lens 4 is 0.57 ° -0.58 ° (preferably 0.573 °), and its through-hole diameter is 7mm-11mm (preferably 9mm), round The distance of axicon lens 4 and ring-shaped light spot condenser lens 5 is 16mm-24mm (preferably 20mm);Ring-shaped light spot condenser lens 5 leads to Bore dia is 7mm-11mm (preferably 9mm).
The annular diameters for the point ring-shaped light spot that this ring-shaped light spot welder finally gives are (best for 0.3mm-0.5mm For 0.4mm), the size of middle circular point shape hot spot depends on the core diameter of optical fiber 1.
Beneficial effect:Point ring-shaped light spot caused by the utility model, in welding process, centre dot shape hot spot is to metal Heating fusing is carried out, keyhole effect is produced and carries out Laser Deep Penetration Welding.The first half of ring-shaped light spot carries out preheating and clear to metal Clean, latter half can be with smooth face of weld, so as to improve weld appearance uniformity.
Preferred embodiment of the present utility model described in detail above, but the utility model is not limited to above-mentioned implementation Detail in mode, in range of the technology design of the present utility model, the technical solution of the utility model can be carried out A variety of equivalents, these equivalents belong to the scope of protection of the utility model.

Claims (10)

1. one kind point ring-shaped light spot welder, it is characterised in that it includes the optical fiber, collimation lens, circular point shape sequentially placed Hot spot condenser lens, Conical Lenses and ring-shaped light spot condenser lens, light beam sequentially pass through optical fiber, collimation lens, circular point shape hot spot After condenser lens, Conical Lenses and ring-shaped light spot condenser lens, a ring-shaped light spot is obtained.
2. according to claim 1 ring-shaped light spot welder, it is characterised in that:The circular point shape hot spot condenser lens Including inner ring condenser lens and plane of outer ring lens.
3. according to claim 1 ring-shaped light spot welder, it is characterised in that:The Conical Lenses is in inner concavity State, and a through hole be present in centre, the diameter of through hole is smaller than the diameter of the inner ring of the circular point shape hot spot condenser lens.
4. the point ring-shaped light spot welder according to claim 1 or 3, it is characterised in that:The angle of wedge of the Conical Lenses For 0.57 ° -0.58 °.
5. according to claim 3 ring-shaped light spot welder, it is characterised in that:The ring-shaped light spot condenser lens There is a through hole in centre, the diameter of its through hole is identical with the through-hole diameter of Conical Lenses.
6. the point ring-shaped light spot welder according to claim 3 or 5, it is characterised in that:The ring-shaped light spot focuses on saturating The through-hole diameter of mirror and Conical Lenses is 7mm-11mm.
7. according to claim 1 ring-shaped light spot welder, it is characterised in that:The circular point shape hot spot condenser lens Focal length=ring-shaped light spot condenser lens focal length+between circular point shape hot spot condenser lens and ring-shaped light spot condenser lens away from From.
8. according to claim 1 ring-shaped light spot welder, it is characterised in that:The collimation lens it is a diameter of 45mm-55mm, its focal length are 240mm-260mm, and the distance of the collimation lens and fiber end face is 240mm-260mm.
9. according to claim 1 ring-shaped light spot welder, it is characterised in that:The circular point shape hot spot condenser lens Outer annular diameter be 45mm-55mm, its inner ring diameter is 8mm-12mm.
10. according to claim 1 ring-shaped light spot welder, it is characterised in that:The Conical Lenses and ring light The distance of spot condenser lens is 16mm-24mm.
CN201720793031.6U 2017-07-03 2017-07-03 Point ring-shaped light spot welder Active CN206952364U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720793031.6U CN206952364U (en) 2017-07-03 2017-07-03 Point ring-shaped light spot welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720793031.6U CN206952364U (en) 2017-07-03 2017-07-03 Point ring-shaped light spot welder

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112059415A (en) * 2020-08-04 2020-12-11 华中科技大学 Optical system for outputting combined annular light spots
CN112059414A (en) * 2020-09-08 2020-12-11 深圳市汉威激光设备有限公司 AMB beam mode adjustable optical fiber emitting head
CN112108760A (en) * 2020-09-08 2020-12-22 深圳市汉威激光设备有限公司 Annular light spot AMB and blue light composite emitting head of continuous laser
CN112192019A (en) * 2020-10-13 2021-01-08 深圳市韵腾激光科技有限公司 Laser processing drilling system
CN112399871A (en) * 2018-06-05 2021-02-23 埃里斯塔股份公司 Optical fiber apparatus for laser thermal ablation and thermal therapy
CN113070573A (en) * 2021-04-20 2021-07-06 武汉锐科光纤激光技术股份有限公司 Laser welding method and device
CN113399825A (en) * 2020-03-17 2021-09-17 深圳市联赢激光股份有限公司 Laser device
WO2021184513A1 (en) * 2020-03-17 2021-09-23 深圳市联赢激光股份有限公司 Laser apparatus
CN113878246A (en) * 2021-10-28 2022-01-04 上海波刺自动化科技有限公司 Laser processing head
WO2022088307A1 (en) * 2020-10-30 2022-05-05 山东海富光子科技股份有限公司 High-power all-fiber laser beam combiner capable of adjusting shape of output beams
CN114523207A (en) * 2022-03-02 2022-05-24 河北科技大学 Laser welding device, laser welding equipment and laser welding method
CN115592263A (en) * 2022-12-14 2023-01-13 深圳市汉威激光设备有限公司(Cn) Welding head with circular light beam spot changing ring light beam and adjustable energy distribution
CN116079229A (en) * 2023-03-07 2023-05-09 长沙麓邦光电科技有限公司 Point ring laser processing system and processing method thereof

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112399871A (en) * 2018-06-05 2021-02-23 埃里斯塔股份公司 Optical fiber apparatus for laser thermal ablation and thermal therapy
CN112399871B (en) * 2018-06-05 2023-04-28 埃里斯塔股份公司 Fiber optic apparatus for laser thermal ablation and hyperthermia
WO2021184519A1 (en) * 2020-03-17 2021-09-23 深圳市联赢激光股份有限公司 Laser device
CN113478074A (en) * 2020-03-17 2021-10-08 深圳市联赢激光股份有限公司 Laser device
CN113399825A (en) * 2020-03-17 2021-09-17 深圳市联赢激光股份有限公司 Laser device
WO2021184513A1 (en) * 2020-03-17 2021-09-23 深圳市联赢激光股份有限公司 Laser apparatus
CN112059415A (en) * 2020-08-04 2020-12-11 华中科技大学 Optical system for outputting combined annular light spots
CN112059415B (en) * 2020-08-04 2021-11-19 华中科技大学 Optical system for outputting combined annular light spots
CN112059414A (en) * 2020-09-08 2020-12-11 深圳市汉威激光设备有限公司 AMB beam mode adjustable optical fiber emitting head
CN112108760A (en) * 2020-09-08 2020-12-22 深圳市汉威激光设备有限公司 Annular light spot AMB and blue light composite emitting head of continuous laser
CN112192019A (en) * 2020-10-13 2021-01-08 深圳市韵腾激光科技有限公司 Laser processing drilling system
WO2022088307A1 (en) * 2020-10-30 2022-05-05 山东海富光子科技股份有限公司 High-power all-fiber laser beam combiner capable of adjusting shape of output beams
CN113070573A (en) * 2021-04-20 2021-07-06 武汉锐科光纤激光技术股份有限公司 Laser welding method and device
CN113878246A (en) * 2021-10-28 2022-01-04 上海波刺自动化科技有限公司 Laser processing head
CN114523207A (en) * 2022-03-02 2022-05-24 河北科技大学 Laser welding device, laser welding equipment and laser welding method
CN114523207B (en) * 2022-03-02 2024-03-29 河北科技大学 Laser welding method
CN115592263A (en) * 2022-12-14 2023-01-13 深圳市汉威激光设备有限公司(Cn) Welding head with circular light beam spot changing ring light beam and adjustable energy distribution
CN116079229A (en) * 2023-03-07 2023-05-09 长沙麓邦光电科技有限公司 Point ring laser processing system and processing method thereof
CN116079229B (en) * 2023-03-07 2023-07-21 长沙麓邦光电科技有限公司 Point ring laser processing system and processing method thereof

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220822

Address after: 518000 workshop 501, building 3, intelligent manufacturing center park, No. 12, Chongqing Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Han's lithium battery intelligent equipment Co.,Ltd.

Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong

Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd.

TR01 Transfer of patent right