CN206952364U - Point ring-shaped light spot welder - Google Patents
Point ring-shaped light spot welder Download PDFInfo
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- 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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- ring
- shaped light
- light spot
- condenser lens
- lens
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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
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.
Priority Applications (1)
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CN201720793031.6U CN206952364U (en) | 2017-07-03 | 2017-07-03 | Point ring-shaped light spot welder |
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CN201720793031.6U CN206952364U (en) | 2017-07-03 | 2017-07-03 | Point ring-shaped light spot welder |
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Publication Number | Publication Date |
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CN206952364U true CN206952364U (en) | 2018-02-02 |
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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 |
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Legal Events
Date | Code | Title | Description |
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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. |
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TR01 | Transfer of patent right |