CN205927515U - System for carry out nanosecond laser welding to sheet metal - Google Patents
System for carry out nanosecond laser welding to sheet metal Download PDFInfo
- Publication number
- CN205927515U CN205927515U CN201620830961.XU CN201620830961U CN205927515U CN 205927515 U CN205927515 U CN 205927515U CN 201620830961 U CN201620830961 U CN 201620830961U CN 205927515 U CN205927515 U CN 205927515U
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- nanosecond laser
- welded
- deflecting
- focusing lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a system for carry out nanosecond laser welding to sheet metal, include the nanosecond laser instrument, beam expanding lens, galvanometer scanning deflection arrangement and the light beam focusing lens that set gradually through the support, the nanosecond laser beam that sends of laser instrument launches through beam expanding lens, galvanometer scanning deflection arrangement, light beam focusing lens and treats welded several sheet metal. Through the utility model discloses an emission time intensity of controller control nanosecond laser instrument etc. Can be passed through to the system architecture, through controller control galvanometer scanning deflection arrangement's deflection angle, or holds in the palm to possess through the sheet metal and adjusts the position of treating welded sheet metal, and the messenger passes through the laser beam of the trace level that the system produced forms a plurality of fine nail form interlock regions according to predetermineeing the route setting and has stronger snap -in force on treating welded technique sheet metal, can not have too big heat effect to the metal simultaneously.
Description
Technical field
The utility model belong to laser welding technology field and in particular to one kind using nanosecond laser carry out thin-sheet metal fold
The method of weldering welding.
Background technology
With the development of laser technology, laser welding is also approved by more and more producers, in food, medicine, military project, vapour
Car, the industry such as electronics also has large-scale application.Manufacture field in 3C, thin-sheet metal is usually as the inner structural members of electronic product
Deng typically using gluing in production process.This mode, under the higher and higher requirement of present product integrated level, has not reached product
Product design requirement, thus ineffective.
Thin-sheet metal solder technology is a kind of technology merging two or more thin-sheet metal.Tradition swashs
Light is in plate sheet welding, as shown in figure 4, typically being welded using ms laser, by merging after bi-material liquefies one
Rise, form a U-shaped engagement region.Because the difference of laser peak, the fusion physical characteristic of formation different so that ms laser
Be welded on thin plate dissimilar metal, thin-sheet metal welding have such problems as metal be difficult to merge, weld strength poor.Ms Laser Welding simultaneously
Connect the heat affecting thermal deformation to material also very big.
Content of the invention：
In order to overcome the defect of above-mentioned background technology, the utility model offer is a kind of to carry out nanosecond laser weldering to sheet metal
The system connecing, can weld to sheet metal, had very strong by the sheet metal that system of the present utility model is welded
Snap-in force.
In order to solve above-mentioned technical problem adopted technical scheme of the present utility model it is：A kind of sheet metal is carried out
Nanosecond laser welding system, including the nanosecond laser being set gradually by support, beam expanding lens, vibration mirror scanning arrangement for deflecting and
Beam focusing lens, the laser beam that nanosecond laser sends is sent out through beam expanding lens, vibration mirror scanning arrangement for deflecting, beam focusing lens
It is mapped to several sheet metals to be welded, the emission control end of nanosecond laser and the deflection control end of vibration mirror scanning arrangement for deflecting
Respectively it is connected to two signal output parts of controller.
It is preferred that nanosecond laser, beam expanding lens, vibration mirror scanning arrangement for deflecting, beam focusing lens pass through may move respectively
Support arrange on the table, several sheet metal layer stackup to be welded are placed on workbench；Beam focusing lens are directed at work
To be welded several sheet metal settings in station；Several sheet metal layer stackup to be welded is placed on thin plate support tool, thin plate support
Tool is movably disposed on workbench.
It is preferred that vibration mirror scanning arrangement for deflecting includes two eyeglasses, two eyeglasses are connected to X-axis actuating arm and Y-axis
Actuating arm, X-axis actuating arm and Y-axis actuating arm are connected to the output end of X-axis motor and y-axis motor.
It is preferred that laser beam launches to sheet metal to be welded the spot diameter being formed is not more than 100 μm.
It is preferred that being linked together by thread matching structure between beam focusing lens and vibration mirror scanning arrangement for deflecting.
The beneficial effects of the utility model are：By system architecture of the present utility model, can be controlled by controller
Launch time intensity of nanosecond laser etc., controls the deflection angle of vibration mirror scanning arrangement for deflecting by controller, or by thin
The position of plate support tool adjustment sheet metal to be welded, makes the laser light of trace level producing by system described in the utility model
Bundle is formed on technology thin plate to be welded multiple has higher occlusion by the fine spike engagement region of predetermined paths setting
Power, will not have excessive heat affecting simultaneously to metal.Nanosecond laser is produced by the utility model by beam Propagation focusing system
Raw Laser Focusing, in thin-sheet metal, realizes the micropore spike occlusion of thin-sheet metal, thus avoiding sheet material excessively thin or dissimilar metal
It is difficult to merge, realize the fusion of thin-sheet metal.
Brief description
Fig. 1 is the system structure diagram of the utility model embodiment；
Fig. 2 is the light path schematic diagram of the utility model embodiment；
Fig. 3 is the utility model embodiment welding effect cross-sectional view；
Fig. 4 is the welding effect cross-sectional view of conventional laser.
1- nanosecond laser, 2- beam expanding lens, 3- vibration mirror scanning arrangement for deflecting, 4- beam focusing lens, 5- controller, on 6-
Layer sheet metal, 7- lower metal thin plate, 8- fine spike engagement region.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described further.
A kind of system that sheet metal is carried out with nanosecond laser welding, including the nanosecond laser being set gradually by support
1st, beam expanding lens 2, vibration mirror scanning arrangement for deflecting 3 and beam focusing lens 4, the laser beam that nanosecond laser 1 sends is through beam expanding lens
2nd, vibration mirror scanning arrangement for deflecting 3, beam focusing lens 4 are transmitted into several sheet metals to be welded, the transmitting of nanosecond laser 1
The deflection control end of control end and vibration mirror scanning arrangement for deflecting 3 is respectively connected to two signal output parts of controller 5.
Nanosecond laser 1, beam expanding lens 2, vibration mirror scanning arrangement for deflecting 3, beam focusing lens 4 pass through movably to prop up respectively
Frame is arranged on the table, is connected to one by thread matching structure between beam focusing lens 4 and vibration mirror scanning arrangement for deflecting 3
Rise.
Several sheet metal layer stackup to be welded is placed on workbench；To be welded on beam focusing lens 4 Alignment stage
Connect several sheet metal settings；Several sheet metal layer stackup to be welded is placed on thin plate support tool, and thin plate support tool movably sets
Put on the table.
Laser beam is launched to sheet metal to be welded the spot diameter being formed and is not more than 100 μm.
Beam expanding lens 2 Main Function is to be enlarged the hot spot of laser beam, reduces the angle of divergence of laser, has using laser more
Good focusing.Vibration mirror scanning arrangement for deflecting 3 includes two eyeglasses, and two eyeglasses are connected to X-axis actuating arm and Y-axis driving
Arm, X-axis actuating arm and Y-axis actuating arm are connected to the output end of X-axis motor and y-axis motor.Rotated by motor, can drive
Eyeglass deflects.Control the deflection angle of eyeglass, make light beam reach the position wanting pad.Achievable light beam presses desired trajectory weldering
Connect.
Condenser lens is a kind of laser optic, passes through the focusing to laser for one group of lens set realization, obtain inside it
The hot spot of the micron order size required for Laser Processing.
The course of work of the system described in the present embodiment is as follows：
Make the laser beam that nanosecond laser 1 sends pass sequentially through beam expanding lens 2, vibration mirror scanning arrangement for deflecting 3 and light beam to gather
Focus lens 4 are launched to the sheet metal to be welded stacking, and laser beam penetrates upper strata sheet metal 6 and enters lower metal thin plate 7,
Upper strata sheet metal 6 and lower metal thin plate 7 is made to be collectively forming several fine spike engagement region 8.
In the present embodiment, controller 5 controls vibration mirror scanning arrangement for deflecting 3 to press predetermined paths and deflects, and makes several spike occlusal areas
Domain is arranged in order by predetermined paths.Can also be by mobile sheet metal to be welded or thin plate support tool, adjustment welding position and angle.
Several spike engagement region are included by the form that predetermined paths are arranged in order：In a spot area arrangement form
Helical arrangement form, meshy arrangement form, polyline shaped spread pattern.
Controller 5 always according to sheet metal thickness material control nanosecond laser 1 send by different preset strength sharp
Light light beam.
The utility model adopts nanosecond laser 1, and advantage is that pulse width is little, and peak value is high, punctures upper strata sheet metal
6, so that lower metal is gasified and liquefaction rises to upper metal layers solidification, so that forming fine nail in a large number between upper and lower double layer of metal
Shape is engaged, and realizes thin-sheet metal and merges as shown in Figure 3.The laser beam that nanosecond laser 1 sends after beam expanding lens 2, by laser
Vibration mirror scanning arrangement for deflecting 3 is transferred to condenser lens 4, laser beam after thin-sheet metal focuses on micron level, by controller 5
Beat a large amount of micropores at a high speed, so that lower metal is gasified and liquefaction rises to upper metal layers solidification, thus forming fine nail in a large number
Shape is engaged, be specifically filled with each fine spike engagement region 8 laser beam upper strata sheet metal 6 through region
Gasified with the material of lower metal thin plate 7 or liquefied, and then the material after merging and solidifying.
The utility model passes through beam Propagation focusing system by Laser Focusing in thin-sheet metal, realizes the micropore of thin-sheet metal
Spike be engaged, thus avoid sheet material excessively thin or dissimilar metal be difficult merge, realize thin-sheet metal merge.Compared to ms laser instrument,
Ns laser instrument has a less pulse width (1ms=1000us, 1us=1000ns), higher peak power, high anti-metal
Can effectively absorb, realize to the gasification of metal and liquefaction, multiple fine spike engagement region 8 by predetermined paths setting compared to
Traditional U-shaped region has higher snap-in force, will not have excessive heat affecting to metal simultaneously.
In the present embodiment, hot spot focuses on micron level (≤100um), upper strata sheet metal 6 (≤1mm), upper strata metal foil
Plate 6 may include the sheet metal of more than two-layer or two-layer, and gross thickness≤1mm；Lower metal thin plate 7 can replace as slab
(≥1mm).
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of the utility model claims.
Claims (5)
1. a kind of system that sheet metal is carried out with nanosecond laser welding it is characterised in that：Including set gradually by support
Nanosecond laser (1), beam expanding lens (2), vibration mirror scanning arrangement for deflecting (3) and beam focusing lens (4), described nanosecond laser
(1) laser beam sending is through described beam expanding lens (2), described vibration mirror scanning arrangement for deflecting (3), described beam focusing lens (4)
It is transmitted into several sheet metals to be welded, the emission control end of described nanosecond laser (1) and described vibration mirror scanning deflection dress
The deflection control end putting (3) is respectively connected to two signal output parts of controller (5).
2. a kind of system that sheet metal is carried out with nanosecond laser welding according to claim 1 it is characterised in that：Described
Nanosecond laser (1), described beam expanding lens (2), described vibration mirror scanning arrangement for deflecting (3), described beam focusing lens (4) lead to respectively
Cross moveable support to arrange on the table, described several sheet metal layer stackup to be welded are placed on described workbench；Institute
State beam focusing lens (4) and be directed at the described to be welded several sheet metal settings on described workbench；Described to be welded several
Sheet metal layer stackup is placed on thin plate support tool, and described thin plate support tool is movably disposed on described workbench.
3. a kind of system that sheet metal is carried out with nanosecond laser welding according to claim 2 it is characterised in that：Described
Vibration mirror scanning arrangement for deflecting (3) includes two eyeglasses, and two described eyeglasses are connected to X-axis actuating arm and Y-axis actuating arm, institute
State X-axis actuating arm and described Y-axis actuating arm is connected to the output end of X-axis motor and y-axis motor.
4. a kind of system that sheet metal is carried out with nanosecond laser welding according to claim 3 it is characterised in that：Described
Laser beam is launched to described sheet metal to be welded the spot diameter being formed and is not more than 100 μm.
5. a kind of system that sheet metal is carried out with nanosecond laser welding according to claim 3 it is characterised in that：Described
Linked together by thread matching structure between beam focusing lens (4) and described vibration mirror scanning arrangement for deflecting (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830961.XU CN205927515U (en) | 2016-08-03 | 2016-08-03 | System for carry out nanosecond laser welding to sheet metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830961.XU CN205927515U (en) | 2016-08-03 | 2016-08-03 | System for carry out nanosecond laser welding to sheet metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927515U true CN205927515U (en) | 2017-02-08 |
Family
ID=57925228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620830961.XU Active CN205927515U (en) | 2016-08-03 | 2016-08-03 | System for carry out nanosecond laser welding to sheet metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077953A (en) * | 2016-08-03 | 2016-11-09 | 武汉华工激光工程有限责任公司 | A kind of method and system that sheet metal is carried out nanosecond laser welding |
| CN107309546A (en) * | 2017-07-20 | 2017-11-03 | 中山汉通激光设备有限公司 | A kind of galvanometer laser stitch welding equipment |
-
2016
- 2016-08-03 CN CN201620830961.XU patent/CN205927515U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077953A (en) * | 2016-08-03 | 2016-11-09 | 武汉华工激光工程有限责任公司 | A kind of method and system that sheet metal is carried out nanosecond laser welding |
| CN107309546A (en) * | 2017-07-20 | 2017-11-03 | 中山汉通激光设备有限公司 | A kind of galvanometer laser stitch welding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106077953A (en) | A kind of method and system that sheet metal is carried out nanosecond laser welding | |
| JP6588911B2 (en) | 3D formation of glass | |
| CN105980100B (en) | By the method and apparatus for the workpiece that the laser pulse spot welding of green wavelength is especially made of copper, copper alloy, gold or jewellery material | |
| CN201002157Y (en) | Selective laser micro-braze-welding system based on vibration mirror scanning | |
| CN105392593B (en) | By the device and method of laser cutting profile from flat substrate | |
| CN109926584B (en) | Additive manufacturing and surface polishing synchronous processing method and device | |
| CN107217253B (en) | Light-powder-gas coaxial conveying laser cladding impact forging forming composite manufacturing method | |
| CN102962589B (en) | Pulse laser drilling device and drilling method thereof | |
| US11097470B2 (en) | Laser 3D printing method and system thereof with orthopedic function | |
| CN103394805B (en) | Cut perforating device and cutting and boring method | |
| CN207026742U (en) | A kind of laser spot dynamic machining device | |
| CN205927515U (en) | System for carry out nanosecond laser welding to sheet metal | |
| CN110280914B (en) | Laser ultrasonic technology assisted pulse laser boring device and method | |
| CN105033250B (en) | A kind of coaxial double light beam laser preheating shapes slow cooling stress delayed release device and method | |
| CN113634769B (en) | Metal SLM printing system based on Gaussian beam and beam shaping composite beam | |
| CN109332690A (en) | A kind of metal 3D printing method and apparatus | |
| CN108356414A (en) | A kind of laser path and method for laser welding of Laser Welding contact | |
| CN112276362A (en) | Laser welding device and welding method thereof | |
| CN107962305A (en) | A kind of high index of refraction, low-rigidity transparent material laser cutter device and cutting method | |
| CN103464909A (en) | Laser-high-frequency hybrid welding device and welding method thereof | |
| JP6314310B2 (en) | Laser welding method and laser welding apparatus | |
| CN105828965B (en) | Swarf device and method | |
| CN112074096A (en) | Drilling method for 5G high-frequency LCP material | |
| JPWO2019038860A1 (en) | Laser processing method and laser processing apparatus | |
| CN207656103U (en) | A kind of high refractive index, low-rigidity transparent material laser cutter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |