CN208853928U - Single beam time-division switching module for laser spot welding system of processing - Google Patents
Single beam time-division switching module for laser spot welding system of processing Download PDFInfo
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- CN208853928U CN208853928U CN201821547206.6U CN201821547206U CN208853928U CN 208853928 U CN208853928 U CN 208853928U CN 201821547206 U CN201821547206 U CN 201821547206U CN 208853928 U CN208853928 U CN 208853928U
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- spot welding
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Abstract
The utility model discloses the single beam time-division switching modules for laser spot welding system of processing, it is characterized by comprising input energy transfer optical cables, optical collimator, beam switchers, more than two output couplers and the output energy transfer optical cable being connected with output coupler, input energy transfer optical cable is connected by input energy transfer optical cable adapter head with optical collimator, the first optical channel is equipped in optical collimator, collimation lens is equipped in the first optical channel, optical collimator is communicated with beam switchers, beam switchers are equipped with optical gate and rotatable reflecting mirror, beam switchers are communicated with output coupler, output coupler has third optical channel and is equipped with condenser lens, output coupler is connected by output energy transfer optical cable adapter head with output energy transfer optical cable.The utility model can realize the technical effect of the light beam time-division switching of alignment jointed fiber laser and semiconductor laser.
Description
Technical field
The utility model relates to fields, and in particular to the single beam time-division switching module for laser spot welding system of processing.
Background technique
Most of laser spot welding system on the market is using YAG solid pulse laser at present.With a YAG solid arteries and veins
It rushes laser and provides laser pulse to one or more mash welder, be commonly called as one-to-one, one drag two, one drag three laser spot welders etc.,
Have been widely used for field of laser processing.In recent years, optical fiber laser and semiconductor laser rely on electro-optical efficiency
High, the advantages that output beam quality is good, small in size and compact-sized, various gases for gradually industrial circle having been replaced to use and solid
Body laser.Especially quasi-continuous (QCW) optical fiber laser and semiconductor laser have started to replace electro-optical efficiency insufficient
4%, and the YAG solid pulse laser that maintenance cost is high.
Since YAG solid pulse laser is direct output collimated light beam, need through condenser lens and reflecting optics etc.,
Space Coupling is to energy-transmission optic fibre.Therefore difference can be directly used after the collimated light beam of YAG solid pulse laser output
Reflecting mirror and coupling mechanism, so that it may realize that one-to-one, one drag two, one drag third space division or time-division processing mode.And standard is even
The laser output of continuous (QCW) optical fiber laser and semiconductor laser is by energy-transmission optic fibre, and Yao Shixian mono- drags several light beams to cut
It changes, it is necessary to solve the conversion of optical fiber output light beam；Moreover, quasi-continuous (QCW) optical fiber laser and semiconductor laser is defeated
The numerical aperture (NA) of optical fiber is generally 0.065~0.22 out, needs by being likely to meet light beam switching after optical collimator
It is required that this is also currently without solving the problems, such as.
Utility model content
In view of the deficiency of background technique, the utility model provides a kind of single beam time-division for laser spot welding system of processing
Switching module, the technical problem to be solved is that the optical fiber output light beam of quasi-continuous optical fiber laser and semiconductor laser when
Divided beams switching.
To realize the above-mentioned technical purpose, the utility model provides following technical solution:
Single beam time-division switching module for laser spot welding system of processing, it is characterised in that: including input energy transfer optical cable,
Optical collimator, beam switchers and more than two output couplers, described input energy transfer optical cable one end are fixedly mounted on input
On energy transfer optical cable adapter head, the input energy transfer optical cable adapter head is mounted on the input terminal of the optical collimator, the light collimation
It is equipped with the first optical channel in device, and is equipped with collimation lens in first optical channel, the output end of the optical collimator is connected to
There are the beam switchers, the beam switchers have the second optical channel, and are successively arranged light in second optical channel
Lock and rotatable reflecting mirror, the beam switchers are communicated with more than two output couplers, each output
Coupler has third optical channel, and condenser lens is equipped in the third optical channel, in the output of the output coupler
End is equipped with output energy transfer optical cable adapter head, and the output energy transfer optical cable adapter head is connected with output energy transfer optical cable.
The reflecting mirror is connect with motor driven.
The optical gate is located at the input terminal of the beam switchers, and corresponding with the collimation lens.
Optical detector is installed, the optical detector is mounted on the optical gate and the reflecting mirror on the beam switchers
Between.
Three dimensional regulating seat is installed, the three dimensional regulating seat and the output pass energy on the output energy transfer optical cable adapter head
Optical cable is connected.
The laser emitting end of the input energy transfer optical cable adapter head and the focus of the collimation lens coincide.
The optical fiber core diameter of the input energy transfer optical cable is less than the optical fiber core diameter of the output energy transfer optical cable.
First optical channel is connected with second optical channel, second optical channel and the third optical channel phase
Connection.
After the above technical solution is adopted, the beneficial effects of the utility model are: jointed fiber laser and half can be directed at
Divided beams switching when the outgoing laser beam of conductor laser carries out, realize one drag two, one drag three, one drag four etc. technical effect.
Detailed description of the invention
The utility model has following attached drawing:
Fig. 1 is the schematic diagram of the first embodiment；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the schematic diagram of second of embodiment；
Fig. 4 is the schematic diagram of the third embodiment；
Fig. 5 is the schematic diagram that two products of the first embodiment are superimposed in vertical direction.
Specific embodiment
The first embodiment is as depicted in figs. 1 and 2, for the single beam time-division switching module of laser spot welding system of processing,
It is connected including 3, two input energy transfer optical cable 1, optical collimator 2, beam switchers output couplers 4 and with output coupler 4
Output energy transfer optical cable 6, specific connection structure is as follows:
Described 1 one end of input energy transfer optical cable is fixedly mounted on matched input energy transfer optical cable adapter head 21, institute
The input terminal that input energy transfer optical cable adapter head 21 is mounted on the optical collimator 2 is stated, it is logical to be equipped with the first light in the optical collimator 2
Road is equipped with collimation lens 22, the laser emitting end of the input energy transfer optical cable adapter head 42 and institute in first optical channel
The focus for stating collimation lens 22 coincides, and can guarantee that inputting the energy-transmission optic fibre that energy transfer optical cable 1 exports enters input biography energy in this way
After optical cable adapter head 21, it can be exported in parallel by collimation lens 22.
The output end of the optical collimator 2 is communicated with the beam switchers 3, and the beam switchers 3 have and first
The second optical channel that optical channel is connected, and be successively arranged optical gate 31, optical detector 33 in second optical channel and can revolve
The reflecting mirror 32 turned, the effect of reflecting mirror 32 is that the laser for collimating collimation lens 22 reflects, wherein the optical gate 31 is set
In the input terminal of the beam switchers 3, and it is corresponding with the collimation lens 42, and the reflecting mirror 32 connects with the transmission of motor 5
It connects, motor 5 can control the rotation of reflecting mirror 32, guarantee that it can reflect laser with specified angle.The effect of optical gate 31 is
The shutdown of laser emitting is controlled, the effect of optical detector 33 is to reveal on a small quantity at optical gate 31 by being collected to light to monitor
Light examines laser input optical power.
There are two the output coupler 4, each output coupler 4 has and for the beam switchers 3 connection
The third optical channel that two optical channels communicate, and condenser lens 41, the effect of condenser lens 41 are equipped in the third optical channel
It is that the collimated light beam reflected reflecting mirror 32 is focused.It is equipped in the output end of the output coupler 4 and passes energy light with output
The output energy transfer optical cable adapter head 42 that cable 6 matches is equipped with three dimensional regulating seat on the output energy transfer optical cable adapter head 42, institute
It states three dimensional regulating seat to be connected with the output energy transfer optical cable 6, the laser after focusing passes through output energy transfer optical cable adapter head 42
Three dimensional regulating seat is input in output energy transfer optical cable 6.Output energy transfer optical cable 6 is able to carry out X, Y, Z after being inserted into three dimensional regulating seat
The three-dimensional regulation of axis is adapted to the focal length of the condenser lens 41 of different size in third optical channel with this, finally realizes inhomogeneity
The high efficiency of the output optical fibre optical cable of type couples.
Due to input energy transfer optical cable 1 in optical fiber numerical aperture General N A be 0.065~0.22, core diameter be 20~
400μm；And the NA that the optical fiber NA in energy transfer optical cable 6 need to be more than or equal to incident optical is exported, common is 0.22,0.37 etc..It is defeated
Out the fibre core diameter in energy transfer optical cable 6 also need be more than or equal to input optical fibre core diameter, common are 100 μm, 200 μm,
400 μm, 600 μm etc..Meet two above condition, by the condenser lens for choosing proper focal length, it will be able to drop coupling loss
To be minimum, so that output laser power meets spot welding requirement.Therefore the optical fiber core diameter of the input energy transfer optical cable 1 is less than the output
The optical fiber core diameter of energy transfer optical cable 6.
Second of embodiment as shown in figure 3, in addition to the beam switchers 3 connection is there are three the output coupler 4,
Remaining structure and connection relationship are identical as the first embodiment, can be realized a technical effect for dragging three.
The third embodiment as shown in figure 4, in addition to the beam switchers 3 connection is there are five the output coupler 4,
Remaining structure and connection relationship are identical as the first embodiment, can be realized a technical effect for dragging five.
And so on, to realize that one drags more technical effects, as long as increaseing accordingly the institute that the beam switchers 3 are connected to
It states output coupler 4 and exports the quantity of energy transfer optical cable 6.
In addition to this, as shown in figure 5, multiple this products exist to realize that multiple beam synchronous time division switches spot welding function
Vertical direction is overlapped.
To sum up, the divided beams when output optical fibre that this product can be directed at jointed fiber laser and semiconductor laser carries out
Switching, realize one drag two, one drag three, one drag four etc. technical effect, can also be real by being superimposed multiple products in vertical direction
Existing multiple beam synchronous time division switches spot welding function, and not will increase system and taken up space；In addition, being passed according to different types of output
Energy optical cable adapter head 42 uses different types of output energy transfer optical cable 6, is swashed with forming the output of different mode, different size hot spot
Light is suitable for the spot welding process requirements of different materials, meets growing spot welding processing diversification and requires.
Claims (8)
1. being used for the single beam time-division switching module of laser spot welding system of processing, it is characterised in that: including inputting energy transfer optical cable, light
Collimator, beam switchers and more than two output couplers, described input energy transfer optical cable one end are fixedly mounted on input and pass
On energy optical cable adapter head, the input energy transfer optical cable adapter head is mounted on the input terminal of the optical collimator, the optical collimator
It is inside equipped with the first optical channel, and is equipped with collimation lens in first optical channel, the output end of the optical collimator is communicated with
The beam switchers, the beam switchers have the second optical channel, and are successively arranged optical gate in second optical channel
With rotatable reflecting mirror, the beam switchers are communicated with more than two output couplers, each output coupling
Clutch has third optical channel, and condenser lens is equipped in the third optical channel, in the output end of the output coupler
Equipped with output energy transfer optical cable adapter head, the output energy transfer optical cable adapter head is connected with output energy transfer optical cable.
2. the single beam time-division switching module according to claim 1 for laser spot welding system of processing, it is characterised in that:
The reflecting mirror is connect with motor driven.
3. the single beam time-division switching module according to claim 2 for laser spot welding system of processing, it is characterised in that:
The optical gate is located at the input terminal of the beam switchers, and corresponding with the collimation lens.
4. the single beam time-division switching module according to claim 3 for laser spot welding system of processing, it is characterised in that:
Optical detector is installed, the optical detector is mounted between the optical gate and the reflecting mirror on the beam switchers.
5. the single beam time-division switching module according to claim 4 for laser spot welding system of processing, it is characterised in that:
Three dimensional regulating seat is installed, the three dimensional regulating seat is connected with the output energy transfer optical cable on the output energy transfer optical cable adapter head
It connects.
6. the single beam time-division switching module according to claim 1 for laser spot welding system of processing, it is characterised in that:
The laser emitting end face of the input energy transfer optical cable and the focus of the collimation lens coincide.
7. the single beam time-division switching module according to claim 1 for laser spot welding system of processing, it is characterised in that:
The optical fiber core diameter of the input energy transfer optical cable is less than the optical fiber core diameter of the output energy transfer optical cable.
8. the single beam time-division switching module according to claim 1 for laser spot welding system of processing, it is characterised in that:
First optical channel is connected with second optical channel, and second optical channel is connected with the third optical channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547206.6U CN208853928U (en) | 2018-09-20 | 2018-09-20 | Single beam time-division switching module for laser spot welding system of processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821547206.6U CN208853928U (en) | 2018-09-20 | 2018-09-20 | Single beam time-division switching module for laser spot welding system of processing |
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| Publication Number | Publication Date |
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| CN208853928U true CN208853928U (en) | 2019-05-14 |
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| CN201821547206.6U Active CN208853928U (en) | 2018-09-20 | 2018-09-20 | Single beam time-division switching module for laser spot welding system of processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907454A (en) * | 2018-09-20 | 2018-11-30 | 无锡源清瑞光激光科技有限公司 | Single beam time-division switching module for laser spot welding system of processing |
-
2018
- 2018-09-20 CN CN201821547206.6U patent/CN208853928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907454A (en) * | 2018-09-20 | 2018-11-30 | 无锡源清瑞光激光科技有限公司 | Single beam time-division switching module for laser spot welding system of processing |
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