CN204122931U - Double light path Output of laser welder - Google Patents
Double light path Output of laser welder Download PDFInfo
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- CN204122931U CN204122931U CN201420296516.0U CN201420296516U CN204122931U CN 204122931 U CN204122931 U CN 204122931U CN 201420296516 U CN201420296516 U CN 201420296516U CN 204122931 U CN204122931 U CN 204122931U
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Abstract
The utility model discloses a kind of double light path Output of laser welder, comprising: doubleway output laser aid; The first via laser export doubleway output laser aid and the second road laser carry out the focusing arrangement focused on respectively; The focal position change device of first via laser and the second road laser focal position on welding object can be changed; For controlling the welding control unit of double light path Output of laser device and focal position change device, to make the second road Laser Focusing be welded to connect place in circuit board, make first via Laser Focusing in the pin of direct inserting device.Double light path Output of laser welder of the present utility model adopts two-way laser to weld, the pin of welding circuit board junction and direct inserting device is focused on simultaneously, more than a road Laser output heat, molten scolding tin is made to penetrate circuit board completely, weld more firm, avoid heat too to concentrate makes components and parts impaired simultaneously, and the heat that laser output device can also be made to carry exports and reduces, and improves its service life.
Description
Technical field
The utility model relates to laser welding technology field, is specifically related to a kind of double light path Output of laser welder.
Background technology
Along with the development of electronic technology, electronic product is less towards volume, the trend development be convenient for carrying, and electronics firm also the corresponding volume that is proposed is less, chip with better function, device comes towards more demand, but when device welds, traditional device welding comprises flatiron, Reflow Solderings etc. cannot meet existing welding demand, laser weld is then arisen at the historic moment, solder joint area is little, contactless, soldering angle arbitrarily can to adjust etc. and to be widely used a little, but all adopt single lasing light emitter as thermal source during welding, but when welding direct inserting device, there is following defect in prior art:
The first, during direct inserting device welding, after having welded, the scolding tin of thawing cannot be made to penetrate circuit board completely, cause direct inserting device not prison welding solid, and electrical characteristic is poor, so when welding such devices, need external heating source, heaters etc. make solder joint ensure suitable temperature before welding, and heated perimeter strengthens, and can not effectively butt welding point heat, simultaneously in order to avoid the safety of peripheral devices, the temperature provided is limited; The second, single lasing light emitter is when welding, and laser must provide high heat to complete welding when welding instantaneously, but high heat can burn out the device around device and device, causes welding procedure unstable, increases difficulty during welding.
Utility model content
The purpose of this utility model is the above-mentioned defect for prior art, a kind of double light path Output of laser welder is proposed, solve in prior art the not prison welding of direct inserting device and circuit board being carried out causing because of mode of heating in laser beam welding to consolidate, and high heat burns out the technical problem of direct inserting device or circuit board.
The technical solution of the utility model comprises a kind of double light path Output of laser welder, direct inserting device and circuit board is carried out laser weld, comprising:
The doubleway output laser aid of two-way laser can be produced;
The first via laser export doubleway output laser aid and the second road laser carry out the focusing arrangement focused on respectively;
The focal position change device of first via laser from described doubleway output laser aid and the second road laser focal position on welding object can be changed;
For controlling the welding control unit of described double light path Output of laser device and focal position change device, to make described second road Laser Focusing be welded to connect place in described circuit board, make described first via Laser Focusing in the pin of described direct inserting device.
Preferably, this device also comprises the base device for fixing direct inserting device and circuit board.
Preferably, described welding control unit comprises:
Be respectively used to control the first via laser of doubleway output laser aid and the Laser output control module of the second road Laser output;
For controlling the focus control block of focal position change device.
Preferably, this device also comprises and send tinware, solder stick is delivered to the pin position of described direct inserting device.
Preferably, this device also comprises optical fiber, and described doubleway output laser aid is connected with described focusing arrangement by optical fiber.
Preferably, described doubleway output laser aid comprises the first laser aid and the second laser aid that export first via laser and the second road laser respectively, the first laser aid and the series connection of the second laser aid.
Preferably, described focusing arrangement comprises corresponding with the first laser aid and the second laser aid respectively two independently focusing units.
Compared with prior art, the beneficial effects of the utility model comprise: double light path Output of laser welder of the present utility model adopts two-way laser to weld, the pin of welding circuit board junction and direct inserting device is focused on simultaneously, more than a road Laser output heat, make molten scolding tin penetrate circuit board completely, welding is more firm, avoids heat too to concentrate simultaneously and makes components and parts impaired, the heat that laser output device can also be made to carry exports and reduces, and improves its service life.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the double light path Output of laser welder of the utility model embodiment 1;
Fig. 2 is the detailed structure view of the double light path Output of laser welder of the utility model embodiment 1;
Fig. 3 is the double light path Output of laser welder operating diagram of the utility model embodiment 1;
Wherein, in Fig. 3: I represents first via laser, II represents the second road laser, and H represents solder stick.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of double light path Output of laser welder, direct inserting device and circuit board is carried out laser weld, comprising:
The doubleway output laser aid of two-way laser can be produced;
The first via laser export doubleway output laser aid and the second road laser carry out the focusing arrangement focused on respectively;
The focal position change device of first via laser from described doubleway output laser aid and the second road laser focal position on welding object can be changed;
For controlling the welding control unit of described double light path Output of laser device and focal position change device, to make described second road Laser Focusing be welded to connect place in described circuit board, make described first via Laser Focusing in the pin of described direct inserting device.
Particularly, above-mentioned double light path Output of laser welder adopts two-way laser to weld, the pin of welding circuit board junction and direct inserting device is focused on simultaneously, more than a road Laser output heat, make molten scolding tin penetrate circuit board completely, welding is more firm, avoids heat too to concentrate simultaneously and makes components and parts impaired, the heat that laser output device can also be made to carry exports and reduces, and improves its service life.
embodiment 1:
Of the present utility modelly example 1 provides a kind of double light path Output of laser welder, direct inserting device and circuit board are carried out laser weld, as shown in Figure 1, Figure 2 and Figure 3, this device comprises: doubleway output laser aid 1, focusing arrangement 2, focal position change device 3, welding control unit 4, base device 5, optical fiber 6 and send tinware 7.
Wherein, doubleway output laser aid 1 is the device producing two-way laser in the mode can carrying out laser weld to direct inserting device 10 and circuit board 20, the pulse width being different from the laser of Surface Machining is less, processing diameter less (namely energy density is high), be suitable for processing limited ranges such as welding subject surface, the pulse width of welding laser is larger, Laser Processing diameter is large (namely energy density is low) also, be suitable for processing welding object inside, such as melting, punching etc., in the present embodiment, doubleway output laser aid 1 can change the peak value output of laser, laser irradiation time (i.e. the pulse duration of laser), the setting of the irradiation number of times in the unit interval, two-way laser is called first via laser and the second road laser.
The first via laser that doubleway output laser aid 1 exports by focusing arrangement 2 and the second road laser focus on respectively, and doubleway output laser aid 1 is connected with focusing arrangement 2 by optical fiber 6.
Focal position change device 3 can change first via laser from doubleway output laser aid 1 and the focal position of the second road laser on welding object, as a preferred embodiment, the state that focal position change device 3 is used for changing one or more eyeglass in focusing arrangement 2 by the driving of driver part (as motor etc.) in the present embodiment (comprises putting position, angle etc.), thus change the light path of first via laser and the second road laser, change the irradiation area of first via laser and the second road laser, that is, it is inner that first via laser and the second road laser are directed into focusing arrangement 2 respectively by optical fiber 6, converged by the eyeglass of focusing arrangement 2 inside, reflection or filtration, can irradiate direct inserting device 10 or circuit board 20, focal position change device 3 is by the state of eyeglass in adjustment focusing arrangement 2, change the irradiation area of two-way laser, realize different direct inserting devices, on circuit board, zones of different is welded.
Welding control unit 4, for controlling double light path Output of laser device 1 and focal position change device 3, to make the second road Laser Focusing be welded to connect place in circuit board 20, makes first via Laser Focusing in the pin of direct inserting device 10.Welding control unit 4 comprises: Laser output control module 41 and focus control block 42, Laser output control module 41 is for controlling first via laser and the second road Laser output of doubleway output laser aid 1, the peak value of laser is exported, laser irradiation time (i.e. the pulse duration of laser), irradiation number of times in the unit interval control, also can control first via laser and the second road laser is exporting mutually in the same time or not in the same time; Focus control block 42 for controlling focal position change device 3, and then changes the irradiation area of first via laser and the second road laser according to different welding position.
Base device 5 is for fixing direct inserting device 10 and circuit board 20; Tinware 7 is sent solder stick to be delivered to the pin position of direct inserting device 10.
Shown in Figure 3, direct inserting device 10 and circuit board 20 are carrying out in the process of laser weld by the double light path Output of laser welder of the present embodiment, and during beginning, what the second road laser irradiated circuit board 20 is welded to connect place, preheating is carried out to this region, ensures the temperature in this region; Then, the pin of first via laser to direct inserting device 10 irradiates, and the solder stick on pin is melted, the scolding tin of molten condition flows downward according to the heat of pin, until through being welded to connect place, penetrate circuit board 20, pin and circuit board 20 are welded together.
embodiment 2:
Embodiment 2 of the present utility model provides a kind of double light path Output of laser welder, direct inserting device and circuit board are carried out laser weld, the part that the present embodiment is identical with embodiment 1 repeats herein no longer one by one, the difference of the present embodiment and embodiment 1 is, doubleway output laser aid 10 comprises the first laser aid and the second laser aid that export first via laser and the second road laser respectively, the first laser aid and the series connection of the second laser aid.Focusing arrangement 20 comprises corresponding with the first laser aid and the second laser aid respectively two independently focusing units.
The above detailed description of the invention of the present utility model, does not form the restriction to the utility model protection domain.Any various other made according to technical conceive of the present utility model change and distortion accordingly, all should be included in the protection domain of the utility model claim.
Claims (7)
1. a double light path Output of laser welder, carries out laser weld by direct inserting device and circuit board, it is characterized in that, comprising:
The doubleway output laser aid of two-way laser can be produced;
The first via laser export doubleway output laser aid and the second road laser carry out the focusing arrangement focused on respectively;
The focal position change device of first via laser from described doubleway output laser aid and the second road laser focal position on welding object can be changed;
For controlling the welding control unit of described double light path Output of laser device and focal position change device, to make described second road Laser Focusing be welded to connect place in described circuit board, make described first via Laser Focusing in the pin of described direct inserting device.
2. double light path Output of laser welder according to claim 1, is characterized in that, also comprises the base device for fixing direct inserting device and circuit board.
3. double light path Output of laser welder according to claim 1, it is characterized in that, described welding control unit comprises:
Be respectively used to control the first via laser of doubleway output laser aid and the Laser output control module of the second road Laser output;
For controlling the focus control block of focal position change device.
4. double light path Output of laser welder according to claim 1, is characterized in that, also comprise and send tinware, solder stick is delivered to the pin position of described direct inserting device.
5. double light path Output of laser welder according to claim 1, is characterized in that, also comprise optical fiber, and described doubleway output laser aid is connected with described focusing arrangement by optical fiber.
6. double light path Output of laser welder according to claim 1, it is characterized in that, described doubleway output laser aid comprises the first laser aid and the second laser aid that export first via laser and the second road laser respectively, the first laser aid and the series connection of the second laser aid.
7. double light path Output of laser welder according to claim 1, is characterized in that, described focusing arrangement comprises corresponding with the first laser aid and the second laser aid respectively two independently focusing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296516.0U CN204122931U (en) | 2014-06-06 | 2014-06-06 | Double light path Output of laser welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296516.0U CN204122931U (en) | 2014-06-06 | 2014-06-06 | Double light path Output of laser welder |
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| CN204122931U true CN204122931U (en) | 2015-01-28 |
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| CN201420296516.0U Active CN204122931U (en) | 2014-06-06 | 2014-06-06 | Double light path Output of laser welder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346130A (en) * | 2016-11-04 | 2017-01-25 | 苏州德龙激光股份有限公司 | Double-light path CO2 laser processing device and method of alumina ceramics |
-
2014
- 2014-06-06 CN CN201420296516.0U patent/CN204122931U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346130A (en) * | 2016-11-04 | 2017-01-25 | 苏州德龙激光股份有限公司 | Double-light path CO2 laser processing device and method of alumina ceramics |
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