CN206662459U - The welding material laser soldering device of various material composition - Google Patents
The welding material laser soldering device of various material composition Download PDFInfo
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- CN206662459U CN206662459U CN201621095949.5U CN201621095949U CN206662459U CN 206662459 U CN206662459 U CN 206662459U CN 201621095949 U CN201621095949 U CN 201621095949U CN 206662459 U CN206662459 U CN 206662459U
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Abstract
The utility model discloses the welding material laser soldering device of one kind of multiple material compositions, including laser, control laser is preheated and welded the output of device temperature at weld field data model cootrol laser and the controller of models for temperature field characteristic matching laser to each pad, and gathers the Temperature sampler of each pad preheating temperature in real time.First preheated by laser elder generation butt welding point, while gather pre-warmed weld point temperature, the laser for the temperature field data model control pad that the controller is established according to pre-warmed weld point temperature irradiates.Due to gathering weld point temperature in advance, and establish thermo parameters method data, welded in temperature field during welding according to foundation, the error for avoiding the theoretical field of welding temperature established according only to characteristics such as material conducts heat, heat capacity ratios from occurring, cause to occur during actual welding pcb board burn, puncture, damaging electronics member device or welding quality has phenomena such as flaw, improve the reliability of laser welding.
Description
Technical field
It the utility model is related to laser welding technology field, more particularly to the welding material laser of one kind of multiple materials composition
Welder.
Background technology
During existing laser welding electronic component, in order to ensure welding quality, first pass through to various different materials heat conduction
The characteristics such as performance, heat capacity ratio, the simulation model of a field of welding temperature is established, source, laser apparatus is controlled further according to the model data of simulation
Put carry out weld job.The analog temperature field model established in theory by material property is welded, and can preferably be realized
To the automatic welding of different components, avoid the occurrence of that laser irradiation time is long to be caused to burn, puncture pcb board or damage electronics member device
Part such as IC.But because unlike material is when the weldment of composition is in welding, the characteristic such as actual heat conductivility, thermal capacitance is with passing through mould
There is larger error in proposed vertical models for temperature field, the analog temperature field model control laser established according to material property enters
Row welding is also easier to occur pcb board and burns, punctures or damage electronics member device phenomenon, or welding temperature does not reach and wanted
Ask, welding occur and flaw be present, welding quality does not reach requirement.
Utility model content
The utility model is mainly solving the technical problems that provide the welding material laser welding of one kind of multiple material compositions
Device, the welding material laser soldering device of various material composition can be avoided according to spies such as thermal conductivity of material, heat capacity ratios
Property the simulation model of field of welding temperature established ground error be present, cause to occur during actual welding easily pcb board occur to burn, hit
Wear, damage electronics member device or welding quality has phenomena such as flaw, improve the reliability of laser welding quality.
In order to solve the above-mentioned technical problem, the utility model provides the welding material laser welding of one kind of multiple material compositions
Device, the welding material laser soldering device of various material composition include laser, and control laser clicks through to each welding
Row preheating and the output of welding device temperature at weld field data model cootrol laser and models for temperature field characteristic matching laser
Controller, and the Temperature sampler of each pad preheating temperature is gathered in real time；
Temperature sampler, the preheating temperature of each pad is gathered in real time.
Further say, the Temperature sampler includes temperature sensor.
Further say, the temperature sensor includes infrared temperature sensor.
Further say, the laser soldering device also includes to temperature sensor collection point position and laser irradiating position
Synchronize the position adjusting mechanism of adjustment.
Further say, the position adjusting mechanism includes fixed seat and the base with fixed seat rotation connection, solid
The driving part for being controlled by the controller and rotating fixed seat is provided between reservation and base, the fixed seat is provided with to be connected with laser
The laser head connect and the temperature sensor bracket provided with temperature sensor.
Further say, the position adjusting mechanism also includes being located at the synchronization-moving Song Xi mechanisms of fixed seat, and this send tin
Mechanism includes the tin silk driving part of the driving each conveying capacity of tin silk and send tin head.
Further say, the driving part includes motor.
Further say, the position that the tin silk position that the Song Xi mechanisms also include sending welder is detected passes
Sensor.
The utility model also provides the welding material method for laser welding of one kind of multiple material compositions, the method for laser welding
Including,
Pad preheats, and launches laser to each pad of device to be welded in advance, butt welding contact is preheated；
The temperature field data model of pad is established, the preheating temperature of each pad is gathered in real time, establishes by each weldering
The welding assembly temperature field data model of contact preheating temperature composition；
Laser welding, welded according to the characteristic of temperature field data model to each pad transmitting laser, and according to
The welding temperature control laser gathered in real time.
Further say, the preheating temperature and welding temperature are gathered by Temperature sampler.
Further say, the Temperature sampler collection includes temperature sensor.
Further say, the temperature sensor includes infrared temperature sensor.
Further say, pulse frequency, the pulse width of the welding laser match with temperature characterisitic caused by preheating.
Further say, the method for laser welding also includes the welding temperature collection step of collection temperature at weld in real time
Suddenly.
Further say, the temperature sensor collection point and laser solder joint are co-located.
The welding material laser soldering device of the utility model various material composition, including laser, controller and temperature
Sensor, wherein, controller is used to control laser to preheat each pad, the soldering apparatus established according to preheating temperature
The control laser output of part temperature at weld field model and the laser of models for temperature field characteristic matching；Temperature sampler, adopt in real time
Collect the preheating temperature of each pad.Before laser welding, first the solder joint of each welding component is preheated by laser,
And when gathering preheating in real time by temperature sensor solder joint temperature.The controller is according to each preheating solder joint temperature of collection
Spend the temperature field data module established and control laser to each welding spot welding irradiation time, frequency of laser etc..Due to
The thermo parameters method data that acquire the temperature of bond pad locations and establish in advance, during welding according to collection in advance the temperature of foundation
Field data is welded, and avoids depositing according only to the theoretical welding temperature field model that the characteristics such as thermal conductivity of material, heat capacity ratio are established
In ground error, cause to occur during actual welding pcb board easily occur to burn, puncture, damage electronics member device or welding quality presence
Phenomena such as flaw, improve the reliability of laser welding quality.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, and the accompanying drawing in describing is this practicality
Some new embodiments, to those skilled in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is laser soldering device embodiment electrical principle block diagram.
Fig. 2 is position adjusting mechanism example structure schematic diagram.
Fig. 3 is the welding material method for laser welding schematic flow sheet of various material composition.
With reference to embodiment, and referring to the drawings, realization, functional characteristics and advantage to the utility model purpose are made into one
Walk explanation.
Embodiment
In order that the purpose, technical scheme and advantage of utility model are clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described reality
It is utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained on the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
As shown in figure 1, the utility model provides the welding material laser soldering device embodiment of one kind of multiple material compositions.
The welding material laser soldering device of various material composition includes：Laser 1, controller 3 and Temperature sampler
2, wherein the laser 1 is used to produce welding laser and pre- thermal laser, the Temperature sampler 2 is used to gather laser in real time
Real time temperature caused by 1 welding laser and pre- thermal laser irradiation solder joint, the controller 3 are used for according to each solder joint of collection
Temperature during preheating establishes welding device temperature at weld field data model, in welding, according to the temperature field data model control
The laser that laser output processed matches with temperature field data model.
Specifically, the Temperature sampler 2 includes temperature sensor, and the temperature sensor temperature acquisition point and laser are pre-
Focus is located at same point, it may be determined that the temperature accuracy of collection.The temperature sensor can include infrared temperature sensor,
Its temperature is determined by infrared characteristic caused by the solder joint of preheating, specific component can select existing product or technology.
The controller 3 refers to the pulse sent to laser according to the temperature field data model control laser 1 of foundation
Frequency, pulse width etc. are controlled, and are allowed to solder joint and can produce match with the temperature field data model.
Before laser welding, first the solder joint of each welding component is preheated by laser, and by TEMP
The temperature of solder joint when device gathers preheating in real time.The temperature that the controller is established according to each preheating weld point temperature of collection
Field data module controls laser to each welding spot welding irradiation time, frequency of laser etc..Due to acquiring weldering in advance
The temperature of point position and the thermo parameters method data established, during welding according to collection in advance and the temperature field data of foundation is welded
Connect, avoid ground error being present according only to the theoretical welding temperature field model that the characteristics such as thermal conductivity of material, heat capacity ratio are established, cause
Occur pcb board easily occur during actual welding burning, puncture, damaging electronics member device or welding quality has phenomena such as flaw, carry
The reliability of high laser welding quality.
When in the present embodiment, in order to ensure that each solder joint is preheated and welded, temperature sensor 2 and preheating
Point and pad are always positioned at same position, and the laser soldering device also includes to the collection point position of temperature sensor 2 and laser
Irradiation position synchronizes the position adjusting mechanism of adjustment, as shown in Figure 2.The position adjusting mechanism includes：The He of fixed seat 42
With the base 41 of the fixed seat 42 rotation connection, being provided with to be controlled by the controller between fixed seat 41 and base 42 turns fixed seat
Dynamic driving part 40, the driving part include motor, and it can be connected directly or by transmission parts or mechanism with base 42,
It is set to rotate under the control of the controller, the fixed seat 41 is provided with the laser head 44 being connected with laser and provided with temperature acquisition
The temperature sensor bracket of device.
In order to ensure that tin silk can be sent to pad exactly in welding, the position adjusting mechanism is also included located at fixation
The synchronization-moving Song Xi mechanisms 43 of seat, the Song Xi mechanisms 43 include the tin silk driving part (accompanying drawing of the driving each conveying capacity of tin silk
Do not indicate) and send tin first 45.Butt welding contact is welded in the case of in order to avoid Wuxi silk occur, and the Song Xi mechanisms are also
The position sensor (accompanying drawing does not indicate) detected including the tin silk position sent to welder, when position sensor is not examined
When measuring tin silk, controller control laser is stopped.
As shown in figure 3, the utility model also provides the welding material method for laser welding of one kind of multiple material compositions, this swashs
Photocoagulation method includes,
S10 steps, i.e. pad preheat, and launch laser to each pad of device to be welded in advance, butt welding contact enters
Row preheating；
S11 steps, that is, the temperature field data model of pad is established, the preheating temperature of each pad is gathered in real time, builds
The vertical welding assembly temperature field data model being made up of each pad preheating temperature；
S12 steps, i.e. laser welding, welded according to the characteristic of temperature field data model to each pad transmitting laser
Connect, and laser is controlled according to the welding temperature gathered in real time.
Specifically, included using above-described embodiment structure, i.e. laser soldering device：Laser 1, controller 3 and temperature
Collector 2, wherein the laser 1 is used to produce welding laser and pre- thermal laser, the Temperature sampler 2 is used to gather in real time
Laser 1 welds real time temperature caused by laser and pre- thermal laser irradiation solder joint, and the controller 3 is used for each according to collection
The temperature during preheating of solder joint establishes welding device temperature at weld field data model, in welding, according to the temperature field data
The laser that the output of model cootrol laser matches with temperature field data model.
Specifically, the Temperature sampler 2 includes temperature sensor, and the temperature sensor temperature acquisition point and laser are pre-
Focus is located at same point, it may be determined that the temperature accuracy of collection.The temperature sensor can include infrared temperature sensor,
Its temperature is determined by infrared characteristic caused by the solder joint of preheating, specific component can select existing product or technology.
The controller 3 refers to the pulse sent to laser according to the temperature field data model control laser 1 of foundation
Frequency, pulse width etc. are controlled, and are allowed to solder joint and can produce match with the temperature field data model.
Before welding, first control laser 1 to send laser to pad from controller 3 to be preheated, while by temperature
Collector 2 gathers the pad preheating temperature in real time；Each solder joint for needing to weld is preheated using same method, and
Preheating temperature is gathered, controller is established temperature field data model when welding according to each weld point temperature of collection, welded
When connecing, the data such as the pulse frequency of laser, pulse width are controlled according to the temperature field data model of foundation by controller, make to swash
The parameter of light device output matches laser with establishing temperature field data model and welded.Due to acquiring the temperature of bond pad locations in advance
Degree and the thermo parameters method data established, during welding according to collection in advance and the temperature field data of foundation is welded, avoid only
Ground error is had according to the theoretical welding temperature field model that the characteristics such as thermal conductivity of material, heat capacity ratio are established, causes actual welding
When there is easily occurring pcb board and burn, puncture, damage electronics member device or welding quality has phenomena such as flaw, raising Laser Welding
Connect the reliability of quality.
When in the present embodiment, in order to ensure that each solder joint is preheated and welded, temperature sensor 2 and preheating
Point and pad are always positioned at same position, and the laser soldering device also includes to the collection point position of temperature sensor 2 and laser
Irradiation position synchronizes the position adjusting mechanism of adjustment, as shown in Figure 2.The position adjusting mechanism includes：The He of fixed seat 42
With the base 41 of the fixed seat 42 rotation connection, being provided with to be controlled by the controller between fixed seat 41 and base 42 turns fixed seat
Dynamic driving part 40, the driving part include motor, and it can be connected directly or by transmission parts or mechanism with base 42,
It is set to rotate under the control of the controller, the fixed seat 41 is provided with the laser head 44 being connected with laser and provided with temperature acquisition
The temperature sensor bracket of device.
In order to ensure that tin silk can be sent to pad exactly in welding, the position adjusting mechanism is also included located at fixation
The synchronization-moving Song Xi mechanisms 43 of seat, the Song Xi mechanisms 43 include the tin silk driving part (accompanying drawing of the driving each conveying capacity of tin silk
Do not indicate) and send tin first 45.Butt welding contact is welded in the case of in order to avoid Wuxi silk occur, and the Song Xi mechanisms are also
The position sensor (accompanying drawing does not indicate) detected including the tin silk position sent to welder, when position sensor is not examined
When measuring tin silk, controller control laser is stopped.
In the present embodiment, the method for laser welding also includes the welding temperature collection step of collection temperature at weld in real time
Suddenly, i.e., gather the temperature of solder joint simultaneously in welding, avoid welding temperature is too high from burning out PCB.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic, and these
Modifications or substitutions, the essence of appropriate technical solution is not set to depart from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (7)
1. the welding material laser soldering device of various material composition, including laser, it is characterised in that also include
It is defeated that control laser is preheated and welded device temperature at weld field data model cootrol laser to each pad
Go out the controller with models for temperature field characteristic matching laser, and gather the temperature acquisition of each pad preheating temperature in real time
Device.
2. the welding material laser soldering device of various material composition according to claim 1, it is characterised in that：The temperature
Degree collector includes infrared temperature sensor.
3. the welding material laser soldering device of various material composition according to claim 1 or 2, it is characterised in that：Institute
State the position tune that laser soldering device also includes synchronizing temperature sensor collection point position and laser irradiating position adjustment
Complete machine structure.
4. the welding material laser soldering device of various material composition according to claim 3, it is characterised in that：Institute's rheme
Putting adjustment mechanism includes fixed seat and the base with fixed seat rotation connection, and controlled device is provided between fixed seat and base
Control makes the driving part that fixed seat rotates, and the fixed seat is provided with the laser head being connected with laser and provided with temperature sensor
Temperature sensor bracket.
5. the welding material laser soldering device of various material composition according to claim 4, it is characterised in that：Institute's rheme
Putting adjustment mechanism also includes being located at the synchronization-moving Song Xi mechanisms of fixed seat, and the Song Xi mechanisms include the driving each conveying capacity of tin silk
Tin silk driving part and send tin head.
6. the welding material laser soldering device of various material composition according to claim 4, it is characterised in that：The drive
Dynamic component includes motor.
7. the welding material laser soldering device of various material composition according to claim 5, it is characterised in that：It is described to send
The position sensor that the tin silk position that tin mechanism also includes sending welder is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621095949.5U CN206662459U (en) | 2016-09-28 | 2016-09-28 | The welding material laser soldering device of various material composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621095949.5U CN206662459U (en) | 2016-09-28 | 2016-09-28 | The welding material laser soldering device of various material composition |
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| CN206662459U true CN206662459U (en) | 2017-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270899A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | The welding material laser soldering device of various material composition and welding method |
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2016
- 2016-09-28 CN CN201621095949.5U patent/CN206662459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270899A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | The welding material laser soldering device of various material composition and welding method |
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