CN208322421U - Laser corrective system and welder - Google Patents
Laser corrective system and welder Download PDFInfo
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- CN208322421U CN208322421U CN201820700017.1U CN201820700017U CN208322421U CN 208322421 U CN208322421 U CN 208322421U CN 201820700017 U CN201820700017 U CN 201820700017U CN 208322421 U CN208322421 U CN 208322421U
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- laser
- corrective system
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- emission element
- energy circuit
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Abstract
The utility model discloses a kind of Laser corrective system and welders.The Laser corrective system is applied to the correction of plate deformation, including control unit, modulation unit, energy circuit and laser emission element；The energy circuit is electrically connected with the laser emission element, is provided electric energy for the laser emission element and is supported；The laser emission element is to emit laser beam；The modulation unit is electrically connected with the energy circuit, modulates the energy circuit so that the energy circuit output power and frequency change, to influence the laser beam attribute of the laser emission element；Described control unit is electrically connected with the modulation unit, and controls the modulation unit by signal.Meanwhile the utility model also discloses a kind of welder including above-mentioned Laser corrective system.The Laser corrective system and welder controllably modulate energy circuit, manipulate the laser beam that the laser emission element acts on plate, so that rectification of plate operation be neatly realized.
Description
Technical field
The utility model relates to technical field of board processing, and in particular, to a kind of Laser corrective system is applied to plate
Deformation correction.Meanwhile the utility model further relates to a kind of welder with the Laser corrective system and is particularly related to
A kind of laser soldering device.
Background technique
Plate uneven heating can to generate internal stress inside plate, and deformation occurs for plate.In welding technology field, weldering
Deformation occurs is inevitable for jointed sheet material.In welding process, temperature at weld is high, and then temperature is inclined for pad neighboring area
Low, so that deformation occurs for pad and the plate of pad neighboring area, this affects the connection between weldment and weldment
Performance and its appearance.Welding stress is the internal stress that is present in weldment in welding process and during welding terminates.Welding is answered
Power is to generate at the very start from welding, and be constantly changing its distribution in weldment with the progress of welding.
Laser welding is a kind of emerging welding procedure, has welding energy density high, and heated effluent field is small, and deformation is small,
The advantages that weld seam is exquisite.Laser welding technology welds steel board, and nonuniform heating will necessarily generate internal stress, and then lead to steel
Plate generates deformation, and especially when welding long steel plate, due to the presence of welding stress, the welded blank both sides of docking can be inside
It turns over, causes to deform.
Utility model content
In view of this, the utility model is intended to provide a kind of Laser corrective system, it is applied to plate deformation and corrects, especially answer
For the welded blank deformation correction in technical field of laser welding.By modulating action in the power and frequency of the laser beam of plate
Rate, so that plate quickly and efficiently repairs deformation.
The utility model first aspect provides a kind of Laser corrective system.
A kind of Laser corrective system, including control unit, modulation unit, energy circuit and laser emission element；
The energy circuit is electrically connected with the laser emission element, is provided electric energy for the laser emission element and is supported；
The laser emission element acts on plate to emit laser beam, the laser beam；
The modulation unit is electrically connected with the energy circuit, modulates the energy circuit so that the energy circuit is defeated
Power and frequency change out, to influence the laser beam attribute of the laser emission element；Described control unit with it is described
Modulation unit electrical connection, and the modulation unit is controlled by signal.
Further, the Laser corrective system further includes accumulator, the accumulator output end and the energy
Circuit input end connection, the accumulator input terminal are connect with switched power output.
Further, the Laser corrective system further includes feed circuit, described feed circuit one end and energy electricity
The connection of road output end, the other end connect with described control unit, to acquire the energy circuit output end current signal and anti-
It is fed to control unit.
Further, the Laser corrective system further includes interface unit, the interface unit and described control unit coupling
It closes.Control display screen is connected outside the interface unit, which can input and/or display control signal.
Further, the Laser corrective system further includes image acquisition units, described image acquisition unit and the control
Unit electrical connection processed shows screen display to real-time image acquisition information and in the control.Described image acquisition unit packet
Camera is included, the camera is to acquire the plate region acted on by the laser beam.
The utility model second aspect provides a kind of welder.
A kind of welder, the welder include the Laser corrective system and weldering that the utility model first aspect provides
Order member.
Further, the welding unit and the laser emission element are located at jointed sheet material two sides to be welded.
Further, the welding unit is laser welding module, the laser welding module and described control unit coupling
It closes.
Compared with prior art, a kind of Laser corrective system of the utility model is disclosed is modulated by the modulation unit
The laser emission element emits laser beam, to affect laser beam energy, laser beam spot area and make in plate
Portion generates induced potential, and then induced current is generated in conductive sheet metal.The laser emission element can be according to plate deformation
Situation and controllably modulating lasering beam attribute, laser beam act on plate so that rectification of plate is flexible and convenient.
Detailed description of the invention
Fig. 1 is a kind of system structure module map of one embodiment of Laser corrective system of the utility model；
Fig. 2 is a kind of circuit structure diagram of one embodiment of Laser corrective system of the utility model；
Fig. 3 is a kind of system structure module map of another embodiment of Laser corrective system of the utility model；
Fig. 4 be the utility model relates to a kind of welder structural module diagram.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.Opposite, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Term used herein is intended merely to the mesh of description specific embodiment
, it is not intended that in limitation the utility model.
Plate uneven heating can to generate internal stress inside plate, and deformation occurs for plate.In welding technology field, welding
Deformation occurs is inevitable for plate.In welding process, temperature at weld is high, and the temperature of pad neighboring area is then inclined
Low, so that deformation occurs for pad and the plate of pad neighboring area, the plate that deformation occurs affects weldment and weldering
Switching performance and its appearance between part.For this purpose, the utility model provides a kind of Laser corrective system 10, it is applied to plate shape
The correction of change.
Such as Fig. 1, a kind of Laser corrective system 10, including control unit 11, modulation unit 14, energy circuit 12 and laser hair
Penetrate unit 13.The energy circuit 12 is electrically connected with the laser emission element 13, provides electricity for the laser emission element 13
It can support.The laser emission element 13 acts on plate to emit laser beam, the laser beam.The modulation unit 14 with
The energy circuit 12 is electrically connected, and modulates the energy circuit 12 so that 12 output power of the energy circuit and frequency occur
Variation, to influence the laser beam attribute of the laser emission element 13.In the present invention, the laser beam attribute includes
Power and frequency.
Described control unit 11 is electrically connected with the modulation unit 14, and controls the modulation unit 14 by signal.
The energy circuit 12 is power circuit, provides electric energy, the Laser emission list for the laser emission element 13
Member 13 emits corresponding laser beam according to the electric energy that the energy circuit 12 provides, and laser beam acts on plate, so that plate
Heated heating.On the one hand, laser beam calorifies plate as heat source, and on the other hand, the frequency of laser beam changes so that laser beam
Speck area changes.Modulation inputs the i.e. changeable laser beam attribute of electric energy of the laser emission element 13, for example, modulation
The electric energy power of the laser emission element 13 is inputted, to change the energy of laser beam.In the same terms, (identical periphery is set
It is standby to support), when inputting big electric energy power, the laser beam energy that the laser emission element 13 exports is high, and heat temperature raising is fast；When
When inputting small electric energy function, the laser beam energy that the laser emission element 13 exports is low, and heat temperature raising is slow.
In addition, the laser beam of high frequency variation generates induced potential in plate, for the sheet metal of electric conductivity, induced electricity
Gesture generates induced current inside plate, and induced current is to the further heat temperature raising of plate.
For having occurred and that the plate of deformation, through the above technical solutions, laser beam is exposed to plate deformation region, add
Heat heating, can discharge plate internal stress, and plate restores smooth.During correcting plate, pass through the modulation unit 14
So that the laser emission element 13 is entered the electric energy power and frequency of variation, to adjust the energy and laser beam of laser beam
Speck area, further so that plate inside generate induced potential, to conductive sheet metal inside generate induced current add
Heat enriches technical staff to the skill of rectification of plate, so that rectification of plate is more convenient flexibly.
Plate in welding sequence, jointed sheet material to be welded is in welding, the heated heating of pad, and extreme temperatures, but welds
Point back and pad peripheral temperature are relatively low, and temperature difference is bigger in laser welding, and therefore, pad neighboring area is opposite to weld
Point is tilted to raising up.At this point, laser beam is exposed to plate pad back and pad neighboring area, from welding plate
Point back, the heated heating in pad neighboring area, gradually discharge plate internal stress, slowly cooling to temperature or swashed by adjusting
The speck area of light beam or the speckle displacement of laser beam, to correct plate deformation.
The modulation unit 14 is controlled by described control unit 11, and in the present embodiment, described control unit 11 is optional
Ground selects FPGA (Field-Programmable Gate Array) control circuit.The modulation unit 14 passes through field-effect crystalline substance
Body pipe is modulated to realize to bring out the energy circuit 12.
In the present embodiment, the Laser corrective system 10 further includes accumulator, and the accumulator is to be arranged in parallel
Capacitance group.The accumulator output end is connect with 12 input terminal of energy circuit, the accumulator input terminal with open
Powered-down source output terminal connection.
Power and frequency high speed change in the energy circuit 12, in order to avoid causing post processing electric circuit current waveform abnormal
Become, therefore, 12 input terminal of energy circuit connects the accumulator output end.Electric energy passes through after Switching Power Supply output
The accumulator carries out the energy reserve to late-class circuit.In addition, the accumulator also carries out accordingly Electromagnetic Interference
Filtering processing, safeguards system stalwartness operation.
Further, in order to enable the metastable energy wave of 12 output end of energy circuit output essence, the laser are rectified
Positive system 10 further includes feed circuit 15.Described 15 one end of feed circuit is connect with 12 output end of energy circuit, the other end
It is connect with described control unit 11, to acquire the 12 output end current signal of energy circuit and feed back to described control unit
11。
The feed circuit 15 is to acquire the 12 output end current signal of energy circuit, and it is single to feed back to the control
Member 11 controls the modulation unit 14 through 11 logical operation of described control unit, and by sending signal instruction, so that the energy
Measure the metastable energy wave of 12 output end of circuit output essence.
Referring to fig. 2, the utility model embodiment provides a kind of circuit structure diagram of Laser corrective system.Accumulator in figure
Including storage capacitor C1 and filter capacitor C2, the energy circuit 12 includes field effect transistor Q, the laser emission element 13
Including semiconductor laser (LD), specifically, switched power output is connect with the accumulator input terminal, the energy storage electricity
Road output end is connect with 12 input terminal of energy circuit.The modulation unit 14 is by control field effect transistor Q to modulate
The output of energy circuit 12, field effect transistor Q modulates output end connection semiconductor laser (LD), to emit laser beam.
Meanwhile the feed circuit 15 acquires electric current and feeds back to described control unit 11, to monitor current situation.The control is single
Member 11 controls the modulation unit 14 to receive control instruction, to modulate 12 output power of energy circuit and frequency
Rate, to influence the power and frequency of the laser beam of semiconductor laser (LD) transmitting.
Referring to Fig. 3, mode is further carried out as the utility model, the Laser corrective system 10 further includes interface list
Member 16.The interface unit 16 is of coupled connections with described control unit 11.
By adding the interface unit 16, the service performance of the Laser corrective system 10 is substantially increased.Preferably,
One control display screen of connection, the control display screen have input module outside the interface unit 16, can be with by the input module
It keys in control instruction and reaches described control unit 11, to control described control unit 11.Further, the control display
Screen can input and/or display control signal.
In another embodiment, connection independent input module and the control display screen outside the interface unit 16.It is logical
Control instruction arrival described control unit 11 can be keyed in by crossing the independent input module, to control described control unit 11, meanwhile,
The control display screen real-time display keys in control instruction state and display control signal.
In order to visually understand the deformation situation that plate is thermally deformed region, in the present embodiment, the Laser corrective
System 10 further includes having image acquisition units 17.Described image acquisition unit 17 is electrically connected with described control unit 11, to reality
When acquisition image information and the control display screen display.Specifically, described image acquisition unit 17 includes camera, should
Camera is to acquire the plate region acted on by laser beam.Equipment operator can be seen by the control display screen and be swashed
Light beam effect plate region, plate is well understood and is thermally deformed situation, in real time easily modulate needed for laser beam power and
Frequency, and corrected to plate deformation.
Above-mentioned Laser corrective system 10 further includes that device is supported in other peripheries, for example, including to install the laser
The mounting rack of transmitting unit 13.The laser emission element 13 is slidably mounted on the mounting rack, thus the Laser emission
The laser beam of unit 13 can be mobile in plate deformation region.In addition, the Laser corrective system 10 further includes to clamp plate
Grip slipper, can be relatively fixed by plate by the grip slipper, so that laser beam spots be facilitated to focus on plate deformation region.
The utility model also provides a kind of welder 20.
Such as Fig. 4, a kind of welder 20, including the above-mentioned Laser corrective system 10 referred to and welding unit 21.The weldering
Order member 21 carries out weld job to treat welded blank.
In welding process, pad heating temperature is high, and pad neighboring area temperature is relatively low, therefore, welding process
In, easily deformation occurs for welded blank.In general, pad periphery is tilted with respect to pad to raising up.
Jointed sheet material side to be welded is welded by the welding unit 21, extreme temperatures at pad, and on jointed sheet material to be welded
Pad back temperature is relatively low, and pad periphery is tilted with respect to pad to raising up.Therefore, the welding unit 21 swashs with described
Light emitting unit 13 is located at jointed sheet material two sides setting to be welded, and when jointed sheet material side to be welded is soldered, jointed sheet material to be welded is another
The laser beam of the laser emission element 13 of side acts on the pad back on jointed sheet material to be welded, in this way, according to plate
Deformation situation, by adjusting reasonable laser beam power and frequency, so that plate weld internal stress slow release, deformation restores
Fastly, recovery effects are good.
Preferably, the welding unit 21 is laser welding module.In order to which further intelligent control is entirely welded, deformation
Repair process, the laser welding module are electrically coupled with described control unit 11, and are controlled by described control unit 11.
Referring to Fig. 1-4, the welding unit 21 is incorporated to the Laser corrective system 10, and welding is corrected in same system reality
It is existing, level of integrated system is substantially increased, so that device intelligence, miniaturization.
Certainly, a kind of above-mentioned welder 20 further includes that device is supported in other peripheries, for example, including operating platform.Institute
It states Laser corrective system 10 and the welding unit 21 is installed on the operating platform, so that the Laser corrective system 10 and institute
It states welding unit 21 and connects more compact, be easily managed and safeguard.
Those skilled in the art should be it is found that in actual operational requirements, and above-mentioned welder 20 still may include other
Periphery support device.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of Laser corrective system, the correction applied to plate deformation, it is characterised in that: including control unit, modulation unit,
Energy circuit and laser emission element；
The energy circuit is electrically connected with the laser emission element, is provided electric energy for the laser emission element and is supported；It is described
Laser emission element acts on plate to emit laser beam, the laser beam；
The modulation unit is electrically connected with the energy circuit, modulates the energy circuit so that the energy circuit output work
Rate and frequency change, to influence the laser beam attribute of the laser emission element；Described control unit and the modulation
Unit electrical connection, and the modulation unit is controlled by signal.
2. a kind of Laser corrective system as described in claim 1, it is characterised in that: the Laser corrective system further includes energy storage
Circuit, the accumulator output end are connect with the energy circuit input terminal, the accumulator input terminal and Switching Power Supply
Output end connection.
3. a kind of Laser corrective system as claimed in claim 1 or 2, it is characterised in that: the Laser corrective system further includes
Feed circuit, described feed circuit one end are connect with the energy circuit output end, and the other end is connect with described control unit, are used
To acquire the energy circuit output end current signal and feed back to control unit.
4. a kind of Laser corrective system as claimed in claim 3, it is characterised in that: the Laser corrective system further includes interface
Unit, the interface unit are coupled with described control unit.
5. a kind of Laser corrective system as claimed in claim 4, it is characterised in that: connect control display outside the interface unit
Screen, which can input and/or display control signal.
6. a kind of Laser corrective system as claimed in claim 5, it is characterised in that: the Laser corrective system further includes image
Acquisition unit, described image acquisition unit are electrically connected with the control unit, to real-time image acquisition information and in the control
System display screen display.
7. a kind of Laser corrective system as claimed in claim 6, it is characterised in that: described image acquisition unit includes camera shooting
Head, the camera is to acquire the plate region acted on by the laser beam.
8. a kind of welder, feature in: the welder includes described in welding unit and claim any one of 1-7
Laser corrective system.
9. a kind of welder as claimed in claim 8, it is characterised in that: the welding unit and the laser emission element
It is located at jointed sheet material two sides to be welded.
10. a kind of welder as claimed in claim 8 or 9, it is characterised in that: the welding unit is laser welding mould
Block, the laser welding module are coupled with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700017.1U CN208322421U (en) | 2018-05-11 | 2018-05-11 | Laser corrective system and welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700017.1U CN208322421U (en) | 2018-05-11 | 2018-05-11 | Laser corrective system and welder |
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| Publication Number | Publication Date |
|---|---|
| CN208322421U true CN208322421U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820700017.1U Active CN208322421U (en) | 2018-05-11 | 2018-05-11 | Laser corrective system and welder |
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| CN (1) | CN208322421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110769360A (en) * | 2019-11-28 | 2020-02-07 | 陕西铁路工程职业技术学院 | Laser welding power control system and method for welding headset contact pin |
-
2018
- 2018-05-11 CN CN201820700017.1U patent/CN208322421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110769360A (en) * | 2019-11-28 | 2020-02-07 | 陕西铁路工程职业技术学院 | Laser welding power control system and method for welding headset contact pin |
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