CN205520117U - Temperature feedback laser welder head - Google Patents
Temperature feedback laser welder head Download PDFInfo
- Publication number
- CN205520117U CN205520117U CN201620063321.0U CN201620063321U CN205520117U CN 205520117 U CN205520117 U CN 205520117U CN 201620063321 U CN201620063321 U CN 201620063321U CN 205520117 U CN205520117 U CN 205520117U
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- temperature feedback
- module
- transmissive mirror
- fixed
- degree
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Abstract
The utility model provides a temperature feedback laser welder head, include for the fixed module of fixed light brazing filler metal head light brazing filler metal head, at its lower part along the fixed fixed module of collimation that is provided with of light path, the fixed module of collimation is provided with the condensing lens that is used for focusing on laser along the below of sharp light path, the fixed fixed module of a pair of printing opacity mirror that is provided with between fixed module of collimation and the condensing lens, printing opacity mirror fixed mould inter block is fixed and is provided with 45 degrees printing opacity mirrors, 45 degree printing opacity mirror is received condensing lens department and reflect back the reflection of light to being provided with a temperature feedback system, and the side of fixing the module at the printing opacity mirror is fixed by above -mentioned temperature feedback system. The utility model discloses can accurate control soldering temperature, the very big welding accuracy that improves, application scope is extremely wide.
Description
Technical field
This utility model relates to laser welding apparatus field, particularly relates to a kind of Temperature Feedback laser welding system.
Background technology
Laser welding is the laser beam utilizing high-energy-density a kind of high-efficiency and precision welding method as thermal source.Laser welding can use continuously or pulse laser beam is realized, and the principle of laser welding can be divided into heat-conduction-type welding and Laser Deep Penetration Welding.Power density is less than 104~105 W/cm2For heat conduction welding, now fusion penetration is shallow, speed of welding is slow；Power density is more than 105~107 W/cm2Time, metal surface, by the recessed one-tenth of heat effect " hole ", forms deep penetration welding, has the advantages that speed of welding is fast, depth-to-width ratio is big.
In recent years, due to the development of electronic technology, the integration degree of electronic devices and components is more and more higher so that laser welding in the electronics industry, is particularly widely used in microelectronics industry.Owing to laser welding heat affected area is little, heating is concentrated rapidly, thermal stress is low, thus in the encapsulation of integrated circuit and semiconductor device housing, show the superiority of uniqueness.
But for the welding of accurate microelectronic component, especially for the welding of the electronic devices and components having waterproof requirement, the control of welding temperature is particularly significant.Current laser welding assembly also exists certain defect in terms of temperature accurately control.
Utility model content
Technical problem to be solved in the utility model is aiming at the deficiency that laser welding assembly of the prior art exists in terms of temperature accurately control, it is provided that a kind of Temperature Feedback laser welding system is to solve the problems referred to above.
For solving above-mentioned technical problem, a kind of Temperature Feedback laser welding system that this utility model provides, module is fixed including in order to fixing light brazing filler metal head light brazing filler metal head, it is fixedly installed the fixing module of collimation along light path in its underpart, described collimation is fixed the lower section of module linearly light path and is provided with to focus on the condenser lens of laser, described collimation is fixed and is fixedly installed pair of light-transmissive mirror between module and condenser lens and fixes module, described transmissive mirror is fixedly installed 45 degree of transmissive mirror in fixing module, described 45 degree of transmissive mirror receive reflected light at condenser lens be reflected towards be provided with a temperature feedback system, said temperature feedback system is fixed on transmissive mirror and fixes the side of module.
In technique scheme, described 45 degree of transmissive mirror the fixing module linear light path incident illumination of collimation be reflected towards be also equipped with a temperature feedback system, described temperature feedback system is fixed on transmissive mirror and fixes the side of module.
In technique scheme, it is a pair symmetric component that described transmissive mirror fixes module, i.e. going up transmissive mirror fixation kit and lower transmissive mirror fixation kit, the two has the inclined-plane, 45 degree of angles being oppositely arranged, and 45 degree of transmissive mirror are gripped by the above-mentioned inclined-plane, 45 degree of angles being oppositely arranged.
In technique scheme, described temperature feedback system is provided with trimming assembly, for regulate temperature feedback system to angular.
In technique scheme, described trimming assembly is a pair regulation screw, is separately positioned on the both sides of temperature feedback system.
In technique scheme, described temperature feedback system is connected with the control system controlling laser power.
Compared with prior art, the beneficial effects of the utility model are: be fixedly installed pair of light-transmissive mirror between module and condenser lens and fix module collimation is fixing, transmissive mirror is fixedly installed 45 degree of transmissive mirror in fixing module, simultaneously at 45 degree transmissive mirror reception condenser lenss reflected light be reflected towards be provided with a temperature feedback system, so the infra-red radiation produced at pad can pass through condenser lens, received by temperature feedback system under the reflection of 45 degree of transmissive mirror, the temperature at solder joint just can be accurately detected when welding, the power of laser instrument is adjusted according to temperature conditions, reach the effect accurately controlling welding temperature, weld the most accurate and accurate.
Accompanying drawing explanation
Fig. 1 is assembling structural representation of the present utility model；
Fig. 2 is structural representation of the present utility model；
Wherein, transmissive mirror fixation kit under 1-collimation fixing module, 2-upper transmissive mirror fixation kit, 3-, module fixed by 4-condenser lens, 5-light brazing filler metal head fixes module, 05-light brazing filler metal head, 6-temperature feedback system, 7-focus lamp, 8-45 degree transmissive mirror, 9-temperature sensor, 10-trimming assembly.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in further detail:
As depicted in figs. 1 and 2, Temperature Feedback laser welding system designed by this utility model, module 5 is fixed including in order to fixing light brazing filler metal 05 smooth brazing filler metal head, it is fixedly installed the fixing module 1 of collimation along light path in its underpart, described collimation is fixed the lower section of module 1 linearly light path and is provided with to focus on the condenser lens 7 of laser, and condenser lens 7 can be fixed module 4 by condenser lens and assemble.Laser is directed into the fixing module 1 of collimation by light pricker, forms direct light, focuses at solder joint by condenser lens 7, carry out soldering.
Described collimation is fixed and is fixedly installed pair of light-transmissive mirror between module 1 and condenser lens 7 and fixes module, described transmissive mirror is fixedly installed 45 degree of transmissive mirror 8 in fixing module, described 45 degree of transmissive mirror 8 receive reflected light at condenser lens 7 be reflected towards be provided with a temperature feedback system 6, said temperature feedback system 6 is fixed on transmissive mirror and fixes the side of module.It is equiped with temperature sensor 9, to detect temperature in described temperature feedback system 6.The above-mentioned infra-red radiation being designed to make to produce at pad is by condenser lens 7, received by temperature feedback system 6 under the reflection of 45 degree of transmissive mirror, so the temperature at solder joint can be just accurately detected when welding, adjust the power of laser instrument according to temperature conditions, reach the purpose accurately controlling welding temperature.
For the ease of control welding temperature, can described 45 degree transmissive mirror 8 collimation fix module 1 linear light path incident illumination be reflected towards being also provided with a temperature feedback system 6, described temperature feedback system 6 is also secured at transmissive mirror and fixes the side of module.So, the infra-red radiation that the line light of collimation fixing module 1 output produces also can be reflected by 45 degree of transmissive mirror 8 and be received by temperature feedback system 6.When welding, just can obtain two groups of temperature values, just can more easily draw the relation between weld point temperature and laser power by these two groups of temperature values, the control to welding temperature is the most convenient.Described temperature feedback system 6 can be connected with the control system controlling laser power, this makes it possible to realize Automated condtrol.
In order to the most critically assemble 45 degree of transmissive mirror 8, to ensure the accuracy of thermometric, it is a pair symmetric component that described transmissive mirror fixes module, i.e. go up transmissive mirror fixation kit 2 and lower transmissive mirror fixation kit 3, the two has the inclined-plane, 45 degree of angles being oppositely arranged, and 45 degree of transmissive mirror 8 are gripped by the above-mentioned inclined-plane, 45 degree of angles being oppositely arranged.
In order to guarantee accurately to receive infrared external reflection, with Accurate Determining temperature, described temperature feedback system 6 is provided with trimming assembly 10, for regulate temperature feedback system 6 to angular.Described trimming assembly 10 can be a pair regulation screw, is separately positioned on the both sides of temperature feedback system 6；Can also be two to regulation screw, be symmetricly set on the surrounding of temperature feedback system 6.The most just can by turn regulation screw adjust temperature feedback system 6 to angular.
Starting laser instrument during use, laser is directed into the fixing module 1 of collimation by light pricker, forms direct light, and the infra-red radiation that direct light produces reflexes to the temperature feedback system 6 of side through 45 degree of transmissive mirror 8, records temperature；Direct light focuses to carry out at solder joint weld job through condenser lens 7, and the infra-red radiation produced at pad, by condenser lens 7, is also received by temperature feedback system 6 under the reflection of 45 degree of transmissive mirror, records the temperature at solder joint；Two groups of temperature are all transmitted to the control system controlling laser power, and this system can regulate laser power by Temperature Feedback, accurately controls welding temperature.
Core of the present utility model is to use to arrange 45 degree of transmissive mirror; simultaneously it is reflected towards arranging the mode of temperature feedback system 45 degree of transmissive mirror; monitor welding temperature in real time; to reach accurately to control the purpose of welding temperature; therefore, protection domain of the present utility model is not limited only to above-described embodiment, on the basis of this utility model principle; any change utilizing above-mentioned mechanism or deformation, belong to protection domain of the present utility model.
Claims (8)
1. a Temperature Feedback laser welding system, module (5) is fixed including in order to fixing light brazing filler metal head (05) light brazing filler metal head, it is fixedly installed the fixing module (1) of collimation along light path in its underpart, described collimation is fixed the lower section of module (1) linearly light path and is provided with to focus on the condenser lens (7) of laser, it is characterized in that: described collimation is fixed and is fixedly installed pair of light-transmissive mirror between module (1) and condenser lens (7) and fixes module, described transmissive mirror is fixedly installed one 45 degree transmissive mirror (8) in fixing module, described 45 degree of transmissive mirror (8) receive condenser lens (7) place reflected light be reflected towards be provided with a temperature feedback system (6), said temperature feedback system (6) is fixed on transmissive mirror and fixes the side of module.
Temperature Feedback laser welding system the most according to claim 1, it is characterized in that: described 45 degree of transmissive mirror (8) fixing module (1) the linear light path incident illumination of collimation be reflected towards be also equipped with a temperature feedback system (6), described temperature feedback system (6) is fixed on transmissive mirror and fixes the side of module.
Temperature Feedback laser welding system the most according to claim 1 and 2, it is characterized in that: it is a pair symmetric component that described transmissive mirror fixes module, i.e. go up transmissive mirror fixation kit (2) and lower transmissive mirror fixation kit (3), the two has the inclined-plane, 45 degree of angles being oppositely arranged, and 45 degree of transmissive mirror (8) are gripped by the above-mentioned inclined-plane, 45 degree of angles being oppositely arranged.
Temperature Feedback laser welding system the most according to claim 1 and 2, it is characterised in that: be provided with trimming assembly (10) in described temperature feedback system (6), be used for regulating temperature feedback system (6) to angular.
Temperature Feedback laser welding system the most according to claim 4, it is characterised in that: described trimming assembly (10) is a pair regulation screw, is separately positioned on the both sides of temperature feedback system (6).
Temperature Feedback laser welding system the most according to claim 1 and 2, it is characterised in that: described temperature feedback system (6) is connected with the control system controlling laser power.
Temperature Feedback laser welding system the most according to claim 3, it is characterised in that: described temperature feedback system (6) is connected with the control system controlling laser power.
Temperature Feedback laser welding system the most according to claim 4, it is characterised in that: described temperature feedback system (6) is connected with the control system controlling laser power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620063321.0U CN205520117U (en) | 2016-01-22 | 2016-01-22 | Temperature feedback laser welder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620063321.0U CN205520117U (en) | 2016-01-22 | 2016-01-22 | Temperature feedback laser welder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205520117U true CN205520117U (en) | 2016-08-31 |
Family
ID=56767875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620063321.0U Expired - Fee Related CN205520117U (en) | 2016-01-22 | 2016-01-22 | Temperature feedback laser welder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205520117U (en) |
-
2016
- 2016-01-22 CN CN201620063321.0U patent/CN205520117U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170122 |