CN207840401U - A kind of headlight synchronous laser welding system - Google Patents
A kind of headlight synchronous laser welding system Download PDFInfo
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- CN207840401U CN207840401U CN201820107147.4U CN201820107147U CN207840401U CN 207840401 U CN207840401 U CN 207840401U CN 201820107147 U CN201820107147 U CN 201820107147U CN 207840401 U CN207840401 U CN 207840401U
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Abstract
The utility model discloses a kind of headlight synchronous laser welding system, belongs to plastic welding technology field.It includes laser control system, PLC control system, optical shaping system and cooling system.The system can be by laser welding car car light, can be with the energy of real-time control laser welding, time and welding pressure.
Description
Technical field
The utility model belongs to plastic welding technology field, especially a kind of headlight synchronous laser welding system.
Background technology
It is higher and higher to the appearance requirement of car light with the rapid development of domestic and international auto industry.There are many car light welding
Mode common are hot plate welding, vibration friction welding (FW) and ultrasonic welding etc..Hot plate welding and vibration friction welding (FW) allow lampshade using heating
Molten condition is generated with shell contact surface, welding surface is relatively rough, and welding is unsightly.Ultrasonic welding is to utilize ultrasonic transducing
High-frequency electrical energy is converted to high-frequency mechanical vibration energy by device, and under pressure, lampshade and shell contact surface occur friction and generate
Heat melts muscle melting engagement.Face precision height is melted in ultrasonic welding requirements, and ultrasonic has welding material and operating environment
It is certain to require, therefore there are certain limitations for use.
Lampshade and shell use laser welding, soldered precision size, firm welding, due to that need not be in direct contact weldering
Fitting, the consume and deformation of equipment can all minimize, and product stress without friction and thermal stress so that cause thermal damage and thermal deformation
It greatly reduces.The solderable material category of laser welding is big, and can also be interconnected various dissimilar materials, have a wide range of application.
Plastics laser welding mostly uses robotic laser welding manner at present, i.e., laser is mounted on robot arm
On, control robot arm drives laser to be run along welding surface track, by the power and robot that control laser
The speed of arm operation controls welding quality.This welding manner is higher to mechanical design requirements, and coordinated signals are complicated, and machine
Stress deformation is easy tod produce in human arm welding process.
Also a kind of synchronous laser welding technology is used is pooled to wave guide by up to a hundred lasers, and wave guide uses and lamp
The same Machining of Curved Surface of cover, generally gold-plated using metal, expensive and excessive using laser, price is high, and debugging is difficult,
It is susceptible to failure.
Utility model content
To solve the defect of existing welding mean, the utility model provides a kind of efficient, car light of reliable welding quality
Synchronous laser welding system.
To achieve the above object, the utility model uses following technical proposals：
A kind of headlight synchronous laser welding system, it includes laser control system, PLC control system, optical shaping system
And cooling system, laser control system include that the optical fiber laser being sequentially connected, laser power supply module and PC machine, PC machine are used for
Laser power supply module is controlled, the work output current and power of optical fiber laser are set；
PLC control system includes that PLC controller, top electric cylinders, side electric cylinders and positioning clamping tool, PLC controller are used
In driving top electric cylinders and side electric cylinders, top electric cylinders and side electric cylinders apply pressure to lampshade top and side respectively so that
Lampshade and shell have certain welding pressure, positioning clamping tool to be used to fix position and the laser fiber of car light；
PC machine is connected with PLC controller；
Optical shaping system includes more optical shaping lens, for circular light spot to be shaped to linear or ring light
Item greatly reduces the optical fiber laser quantity needed for welding, reduces the complexity of welding system, and laser energy is more equal
It is even；
Cooling system is for cooling down optical fiber laser.
Further, several optical fiber lasers are individually positioned in above the lampshade edge of car light；
One laser power supply module controls output power and the weld interval of several optical fiber lasers, optical fiber laser
It sends out laser the contact surface of the lampshade of car light and shell is fused, to be welded.
Further, optical fiber laser uses the infrared laser of 980nm.
Further, laser power supply module is connected with PC machine by RS232 serial ports.
Further, optical shaping system includes more linears or annular shaping lens.
Further, cooling system uses circulating water mode, for cooling down temperature when optical fiber laser work, protects
Demonstrate,prove optical fiber laser work within a reasonable temperature range.
Advantageous effect：
1. the utility model controls laser power supply module by PC machine, the electric current and power consumption of optical fiber laser are set, is grasped
Make simple；
2. the utility model directly uses optical fiber laser to carry out multidimensional welding to lampshade and shell, without configuring complexity
Mechanical structure, it is simple in structure；
3. laser facula is shaped to linear or annular striation by the utility model by optical shaping lens, according to welding
Faying face is spliced, and the quantity of optical fiber is saved, and use is more flexible；
4. the utility model carries out information exchange control by PLC controller and PC machine, control is flexible, the degree of automation
It is high.
Description of the drawings
Fig. 1 is the functional block diagram of one embodiment of the utility model；
Fig. 2 is the welding schematic diagram of one embodiment of the utility model；
In figure：1- Laser Control Systems, 11- optical fiber lasers, 12- laser power supply modules, 13-PC machines, 2-PLC controls
System processed, 21-PLC controllers, the tops 22- electric cylinders, the sides 23- electric cylinders, 24- position clamping tool, 3- optical shaping systems, 4-
Cooling system, 5- car lights, 51- lampshades, 52- shells.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
The present embodiment proposes a kind of headlight synchronous laser welding system, as shown in Figure 1, it include laser control system 1,
PLC control system 2, optical shaping system 3 and cooling system 4, laser control system 1 include the optical fiber laser being sequentially connected
11, laser power supply module 12 and PC machine 13, PC machine 13 set optical fiber laser 11 for controlling laser power supply module 12
The output current that works and power；
PLC control system 2 includes PLC controller 21, top electric cylinders 22, side electric cylinders 23 and positioning clamping tool 24, PLC
Controller 21 is for driving top electric cylinders 22 and side electric cylinders 23, top electric cylinders 22 and side electric cylinders 23 to apply pressure to lamp respectively
51 top of cover and side so that lampshade 51 and shell 52 have certain welding pressure, and positioning clamping tool 24 is for fixing car light 5
Position and laser fiber；
PC machine 13 is connected with PLC controller 21；
Optical shaping system 3 includes more optical shaping lens (linear or annular), for circular light spot to be shaped to
Linear or annular striation, greatly reduce 11 quantity of optical fiber laser needed for welding, reduce the complexity of welding system
Property, and laser energy is evenly；
Cooling system 4 uses circulating water mode, for cooling down temperature when optical fiber laser 11 works, ensures optical fiber
Laser 11 works within a reasonable temperature range.
As shown in Fig. 2, several optical fiber lasers 11 are individually positioned in above the edge of lampshade 51, a laser power supply
Module 12 controls the output power of several optical fiber lasers 11 and weld interval, optical fiber laser 11 send out laser by lampshade 51
It is fused to be welded with the contact surface of shell 52.
Optical fiber laser 11 uses the infrared laser of 980nm.Laser power supply module 12 and PC machine 13 pass through RS232 serial ports
It is connected.
In use, the laser that optical fiber laser 11 is sent out passes through the engagement of transparent lampshade 51 arrival lampshade 51 and shell 52
Face, TRANSIENT HIGH TEMPERATURE melt the welding surface of shell 52, are combined together with the welding surface of lampshade 51, reach welding purpose.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the scope of protection of the utility model.
Claims (6)
1. a kind of headlight synchronous laser welding system, it is characterised in that：It includes laser control system (1), PLC control system
(2), optical shaping system (3) and cooling system (4), the laser control system (1) includes the optical fiber laser being sequentially connected
(11), laser power supply module (12) and PC machine (13), PC machine (13) set optical fiber for controlling laser power supply module (12)
The work output current and power of laser (11)；
The PLC control system (2) includes that PLC controller (21), top electric cylinders (22), side electric cylinders (23) and positioning clamp work
It fills (24), PLC controller (21) is for driving top electric cylinders (22) and side electric cylinders (23), top electric cylinders (22) and side electric cylinders
(23) apply pressure to respectively above lampshade (51) and side, positioning clamping tool (24) for fix the position of car light (5) with
And laser fiber；
The PC machine (13) is connected with PLC controller (21)；
The optical shaping system (3) includes more optical shaping lens, for circular light spot to be shaped to linear or ring
Shape striation；
The cooling system (4) is for cooling down optical fiber laser (11).
2. headlight synchronous laser welding system according to claim 1, it is characterised in that：Several described optical fiber lasers
(11) it is individually positioned in above lampshade (51) edge of car light (5)；
One laser power supply module (12) controls output power and the weld interval of several optical fiber lasers (11), light
Fibre laser (11) sends out laser and the lampshade (51) of car light (5) and the contact surface of shell (52) is fused.
3. headlight synchronous laser welding system according to claim 1 or 2, it is characterised in that：The optical fiber laser
(11) infrared laser of 980nm is used.
4. headlight synchronous laser welding system according to claim 1 or 2, it is characterised in that：The laser power supply mould
Block (12) is connected with PC machine (13) by RS232 serial ports.
5. headlight synchronous laser welding system according to claim 1 or 2, it is characterised in that：The optical shaping system
(3) include more linears or annular shaping lens.
6. headlight synchronous laser welding system according to claim 1 or 2, it is characterised in that：The cooling system (4) is adopted
It is cooled with circulating water mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820107147.4U CN207840401U (en) | 2018-01-23 | 2018-01-23 | A kind of headlight synchronous laser welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820107147.4U CN207840401U (en) | 2018-01-23 | 2018-01-23 | A kind of headlight synchronous laser welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207840401U true CN207840401U (en) | 2018-09-11 |
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ID=63415854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820107147.4U Active CN207840401U (en) | 2018-01-23 | 2018-01-23 | A kind of headlight synchronous laser welding system |
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| CN (1) | CN207840401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581190A (en) * | 2018-01-23 | 2018-09-28 | 常州星宇车灯股份有限公司 | A kind of headlight synchronous laser welding system |
-
2018
- 2018-01-23 CN CN201820107147.4U patent/CN207840401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581190A (en) * | 2018-01-23 | 2018-09-28 | 常州星宇车灯股份有限公司 | A kind of headlight synchronous laser welding system |
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