CN110142505A - laser cutting gas circuit control device and system - Google Patents
laser cutting gas circuit control device and system Download PDFInfo
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- CN110142505A CN110142505A CN201910540862.6A CN201910540862A CN110142505A CN 110142505 A CN110142505 A CN 110142505A CN 201910540862 A CN201910540862 A CN 201910540862A CN 110142505 A CN110142505 A CN 110142505A
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 40
- 238000005520 cutting process Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 247
- 239000001301 oxygen Substances 0.000 claims description 167
- 229910052760 oxygen Inorganic materials 0.000 claims description 167
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 160
- 229910052757 nitrogen Inorganic materials 0.000 claims description 127
- 239000007789 gas Substances 0.000 claims description 86
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser cutting gas circuit control device and a system, which relate to the technical field of laser cutting and comprise a control system, at least one path of gas pipeline and a cutting head input port; each gas pipeline comprises a gas pressure reducing valve, a pipeline filter, a pressure detection valve, an electromagnetic valve and a one-way valve which are connected in sequence; the pressure detection valve and the electromagnetic valve in each gas pipeline are connected with a control system; the one-way valve of each gas pipeline is connected with the input port of the cutting head. The invention can improve the purity of the gas in the gas path, improve the stability of the gas pressure and further improve the laser cutting processing technology.
Description
Technical field
The present invention relates to laser cutting technique fields, more particularly, to a kind of laser cutting route controller and system.
Background technique
During laser equipment cutting processing, gas circuit factor has very crucial influence to cutting effect, directly determines
Whether cutting workpiece meets processing criterion.
Being controlled etc. in the laser cutting gas circuit of the prior art by gas cleannes, analog quantity voltage, digital control system influences, and deposits
The air pressure fluctuation the problem of, gas piping explosion is easily led to when gas pressure is excessive, in cutting gas hypotony or gas
In easily cutting head internal optics eyeglass is damaged when containing impurity, it is impaired to even result in laser generator optical fiber when serious,
The workpiece of processing is scrapped, poor so as to cause the reliability of laser cutting processing technique.
Summary of the invention
In view of this, can preferably be mentioned the purpose of the present invention is to provide laser cutting route controller and system
The purity of gas and lift gas stable gas pressure in high gas circuit, help to further increase laser cutting processing technique can
By property.
In a first aspect, the present invention provides a kind of laser cutting route controllers, wherein including control system, at least
One gas-guide pipeline and cutting head input port；
Gas piping described in every road include sequentially connected gas pressure pressure reducing valve, in-line filter, pressure detecting valve,
Solenoid valve and check valve；Wherein, the pressure detecting valve in gas piping described in every road and the solenoid valve with the control
System processed is connected；The check valve of gas piping described in every road is connected with the cutting head input port.
Further, the gas piping includes oxygen pipeline, and the oxygen pipeline includes oxygen pressure pressure reducing valve, oxygen
In-line filter, oxygen pressure detection valve, oxygen solenoid valve and oxygen check valve further include and the control system and the oxygen
The connected oxygen proportion valve of gas check valve；
The oxygen pressure pressure reducing valve will be adjusted to the first air pressure threshold value model for inputting oxygen and adjusting oxygen pneumatic
Oxygen in enclosing is delivered to the oxygen pipeline filter；
The oxygen pipeline filter will for filtering out the impurity in the oxygen within the scope of first air pressure threshold value
Pure oxygen after filtering out impurity is delivered to the oxygen pressure detection valve；
The oxygen pressure detects valve, for detecting the air pressure of the pure oxygen, the atmospheric pressure value that will test and default
The second air pressure threshold value range be compared, according to comparison result to the control system send oxygen pneumatic signal；
The control system, for inputting the oxygen pneumatic signal and preset oxygen cutting technique parameter, Xiang Suoshu
Oxygen solenoid valve sends the instruction of oxygen on-off, and sends oxygen pneumatic control instruction to the oxygen proportion valve；
The oxygen solenoid valve instructs corresponding operation for executing the oxygen on-off, to change the oxygen pipeline
On off operating mode；
The oxygen proportion valve is used under the oxygen pipeline on-state, by the air pressure adjustment of the pure oxygen
To air pressure size corresponding with pressure control instruction, and by the oxygen check valve by the pure oxygen after adjusting air pressure
Output.
Further, the oxygen pneumatic signal includes the first air pressure signal and the second air pressure signal；
The oxygen pressure detects valve, for when the atmospheric pressure value detected is within the scope of second air pressure threshold value, to
The control system sends first air pressure signal, is also used to when the atmospheric pressure value detected is not in the second air pressure threshold value model
When enclosing interior, Xiang Suoshu control system sends second air pressure signal.
Further, on-off instruction includes going code and open command；
The control system refers to for sending to connect to the oxygen solenoid valve when inputting first air pressure signal
It enables, alarm signal is prompted when inputting second air pressure signal and sends open command to the oxygen solenoid valve.
Further, the first air pressure threshold value range includes: that oxygen pressure value is less than 0.9Mpa；The second air pressure threshold
Value range includes: that oxygen pressure value is 0.3Mpa between 0.8Mpa.
Further, the oxygen cutting technique parameter includes adjustable voltage value, when the adjustable voltage value is 0 to 10V
When, the air pressure size of the pure oxygen corresponding with the adjustable voltage value is 0 between 1Mpa.
Further, the gas piping includes nitrogen pipeline, and the nitrogen pipeline includes sequentially connected nitrogen pressure
Pressure reducing valve, nitrogen pipeline filter, nitrogen pressure detection valve, nitrogen magnetic valve and nitrogen check valve；
The nitrogen pressure pressure reducing valve arrives third air pressure threshold value model for adjusting for inputting nitrogen and adjusting nitrogen pressure
Nitrogen in enclosing is delivered to the nitrogen pipeline filter；
The nitrogen pipeline filter will for filtering out the impurity in the nitrogen within the scope of the third air pressure threshold value
Pure nitrogen after filtering out impurity is delivered to the nitrogen pressure detection valve；
The nitrogen pressure detects valve, for detecting the air pressure of the pure nitrogen, the atmospheric pressure value that will test and default
The 4th air pressure threshold value range be compared, according to comparison result to the control system send nitrogen pressure signal；
The control system, for inputting the nitrogen pressure signal, Xiang Suoshu nitrogen magnetic valve sends nitrogen on-off and refers to
It enables；
The nitrogen magnetic valve instructs corresponding operation for executing the nitrogen on-off, to change the nitrogen pipeline
On off operating mode；
The nitrogen check valve, for exporting the pure nitrogen under the nitrogen pipeline on-state.
Further, in the case that oxygen check valve exports cutting gas in the oxygen pipeline, the nitrogen pipeline
Middle nitrogen closed check valve；
In the case that nitrogen check valve exports the cutting gas in the nitrogen pipeline, oxygen in the oxygen pipeline
Closed check valve；
The cutting head input port carries out sheet fabrication for inputting the cutting gas, and using the cutting gas.
Further, the third air pressure threshold value range includes: that nitrogen pressure force value is less than 2.8Mpa；The 4th air pressure threshold
Value range includes: that nitrogen pressure force value is 1.5Mpa between 2.8Mpa.
Second aspect, the present invention provides a kind of laser cutting air-path control systems, wherein including described in first aspect
It is cut by laser route controller, further includes plate；The plate is set in the laser cutting route controller and cuts
The lower section of head input port.
The embodiment of the present invention bring it is following the utility model has the advantages that
The present invention provides a kind of laser cutting route controller and system, including control system, at least gas all the way
Pipeline and cutting head input port；Wherein, every gas-guide pipeline includes sequentially connected gas pressure pressure reducing valve, pipeline filtering
Device, pressure detecting valve, solenoid valve and check valve；Gas can be effectively controlled by the gas pressure pressure reducing valve in every gas-guide pipeline
Body pressure size guarantees the stability of gas atmosphere, avoids pressure excessive and leads to pipelines from bursting, and combination pressure detects valve and electricity
Magnet valve is connected with control system and is controlled by control system, meets processing technology standard after further exporting gas；Pass through
The purity level of gas can be improved in in-line filter in every gas-guide pipeline, to reduce the damage to internal optical mirror slip
Rate, by the above-mentioned means, synthesis improves the reliability of laser cutting processing technique.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the laser cutting route controller schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is the oxygen pipeline schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is the nitrogen pipeline schematic diagram that the embodiment of the present invention one provides；
Fig. 4 is laser cutting air-path control system schematic diagram provided by Embodiment 2 of the present invention.
Icon: 100- control system；210- oxygen pipeline；211- oxygen pressure pressure reducing valve；212- oxygen pipeline filter；
213- oxygen pressure detects valve；214- oxygen solenoid valve；215- oxygen proportion valve；216- oxygen check valve；220- nitrogen pipeline；
221- nitrogen pressure pressure reducing valve；222- nitrogen pipeline filter；223- nitrogen pressure detects valve；224- nitrogen magnetic valve；225-
Nitrogen check valve；300- cutting head input port；400- plate.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
For the gas pressure that is cut by laser in gas circuit gas can be controlled in reasonable range and accurately according to technological parameter
Body pressure, while guaranteeing gas purity, and then improve laser cutting parameter level, the safety of equipment is improved, the present invention is implemented
The laser cutting route controller and system that example provides, can be improved the purity of gas in gas circuit, lift gas stable gas pressure
Property, and then improve laser cutting processing technique.
For convenient for understanding the present embodiment, first to a kind of laser cutting gas circuit disclosed in the embodiment of the present invention one
Control device describes in detail.
Embodiment one:
Fig. 1 is a kind of laser cutting route controller schematic diagram that the embodiment of the present invention one provides.
Referring to Fig.1, laser cutting route controller mainly includes control system 100, at least a gas-guide pipeline and cuts
Cut an input port 300.CNC control system or board control system can be used in control system.
Further, every gas-guide pipeline includes sequentially connected gas pressure pressure reducing valve, in-line filter, pressure inspection
Side valve, solenoid valve and check valve；Wherein, the pressure detecting valve in every gas-guide pipeline and solenoid valve are connected with control system；
The check valve of every gas-guide pipeline is connected with the cutting head input port 300.
The present embodiment will carry out illustratively illustrating to describe by taking two-way gas piping as an example.Wherein, the first gas-guide pipeline
For oxygen pipeline 210, the second gas-guide pipeline is nitrogen pipeline 220.
Referring to oxygen pipeline schematic diagram shown in Fig. 2, oxygen pipeline (namely first gas-guide pipeline) 210 may include:
Oxygen pressure pressure reducing valve 211, oxygen pipeline filter 212, oxygen pressure detection valve 213, oxygen solenoid valve 214 and oxygen are unidirectional
Valve 216 further includes the oxygen proportion valve 215 being connected with control system and oxygen check valve 216.
Wherein, the signal control terminal of oxygen proportion valve 215 and the signal control terminal of control system pass through control cable
It is connected, and by control cable transmission analog signals.
Oxygen pressure pressure reducing valve 211 will be adjusted to the first air pressure threshold value range for inputting oxygen and adjusting oxygen pneumatic
Interior oxygen is delivered to oxygen pipeline filter 212.
In practical applications, the first air pressure threshold value range of the present embodiment may include: that oxygen pressure value is less than 0.9Mpa.
Specifically, external oxygen first has to subtract gas by oxygen pressure pressure reducing valve 211 after being input to the device
Pressure processing, to guarantee that oxygen pneumatic within the pressure limit that gas cutting pipeline can be born, is greater than the first air pressure threshold value then
It is easy to cause tracheae to burst.
Oxygen pipeline filter 212 will filter out miscellaneous for filtering out the impurity in the oxygen within the scope of the first air pressure threshold value
Pure oxygen after matter is delivered to oxygen pressure detection valve 213.
Specifically, gas is filtered after decompression, then by oxygen pipeline filter 212, filter out present in gas
The impurity such as aqueous vapor, greasy dirt, bulky grain molecule, to damage optical device after preventing impurity from entering cutting head, will lead to equipment can not
Normal use.
Oxygen pressure detects valve 213, for detecting the air pressure of pure oxygen, the atmospheric pressure value that will test and preset second
Air pressure threshold value range is compared, and sends oxygen pneumatic signal to control system according to comparison result.
Wherein, it is 0.3Mpa between 0.8Mpa that the second air pressure threshold value range of the present embodiment, which includes: oxygen pressure value, and
Oxygen pressure value including two critical points of 0.3Mpa and 0.8Mpa.
Further, oxygen pneumatic signal includes the first air pressure signal and the second air pressure signal.
Oxygen pressure detects valve 213 and is used for when the atmospheric pressure value detected is within the scope of the second air pressure threshold value, is to control
System sends the first air pressure signal, is also used to when the atmospheric pressure value detected is not within the scope of the second air pressure threshold value, to control system
Send the second air pressure signal.
Control system, for inputting oxygen pneumatic signal and preset oxygen cutting technique parameter, to oxygen solenoid valve 214
The instruction of oxygen on-off is sent, and sends oxygen pneumatic control instruction to oxygen proportion valve 215, wherein control instruction includes simulation
Magnitude, analog value match with oxygen pneumatic, and the analog value of the present embodiment is 0-10V voltage value, and 0V voltage value is corresponding
0Mpa air pressure, 10V voltage value correspond to 0.8Mpa.
Oxygen solenoid valve 214 instructs corresponding operation for executing oxygen on-off, to change the on-off of oxygen pipeline 210
State.
Further, on-off instruction includes going code and open command.
Control system, for going code when inputting the first air pressure signal to the transmission of oxygen solenoid valve 214, when input the
Alarm signal is prompted when two air pressure signals and sends open command to oxygen solenoid valve 214.
It is detected specifically, the gas after depressurizing, filtering out enters oxygen pressure detection valve 213, and according to the
Two air pressure threshold values judge gas pressure: when within the scope of the second air pressure threshold value, sending the first air pressure letter to control system
Number, control system goes code after receiving the first air pressure signal to the transmission of oxygen solenoid valve 214；Not in the second air pressure threshold value model
When enclosing interior, the second air pressure signal is sent to control system, control system receives after the second air pressure signal to oxygen solenoid valve 214
Send open command, while control system can on its display screen display alarm information, prompt operator's alarm signal, if
It is standby to stop working, within being replaced within the scope of gas source or adjustment gas pressure to the second air pressure threshold value by professional at this time.Control
The signal control terminal of system is connected with the signal terminal of oxygen pressure detection valve 213 by controlling cable, and by control electricity
Cable transmits signal.
Oxygen proportion valve 215, under 210 on-state of oxygen pipeline, by the air pressure adjustment of pure oxygen to gas
The corresponding air pressure size of control instruction is pressed, and is exported the pure oxygen after adjusting air pressure by oxygen check valve 216.
Further, oxygen cutting technique parameter includes adjustable voltage value, and adjustable when adjustable voltage value is 0 to 10V
The air pressure size of the corresponding pure oxygen of voltage value is 0 between 1Mpa.
Specifically, 215 one end of oxygen proportion valve is connected with oxygen solenoid valve 214, the other end and 216 phase of oxygen check valve
Connection, control system according to oxygen cutting technique parameter export adjustable voltage value, oxygen proportion valve 215 according to adjustable voltage value come
Adjust the pressure of gas in pipeline, the atmospheric pressure value of adjustable voltage value and pure oxygen corresponding relationship in direct ratio, adjustable voltage value
Bigger, the air pressure of pure oxygen is bigger, and 0V voltage value is corresponding with 0Mpa atmospheric pressure value, and 10V voltage value is opposite with 1Mpa atmospheric pressure value
It answers, the pure oxygen regulated is finally exported by oxygen check valve 216.
In addition, oxygen check valve 216 also have can only output gas, the function of gas cannot be inputted, to prevent block tracheae
Road 210 does not enable, at the same external pressure be greater than pipeline atmospheric pressure when, extraneous gas, which enters oxygen pipeline 210, leads to damage portion
Part or pollution oxygen pipeline 210.
Referring to nitrogen pipeline schematic diagram shown in Fig. 3, nitrogen pipeline (namely second gas-guide pipeline) 220 may include:
Sequentially connected nitrogen pressure pressure reducing valve 221, nitrogen pipeline filter 222, nitrogen pressure detect valve 223, nitrogen magnetic valve 224
With nitrogen check valve 225.
Specifically, the nitrogen pressure pressure reducing valve 221 of nitrogen pipeline 220, nitrogen pipeline filter 222, nitrogen pressure detect
Valve 223, nitrogen magnetic valve 224 and nitrogen check valve 225 and oxygen pressure pressure reducing valve 211, the oxygen hose of oxygen pipeline 210 pass by
Filter 212, oxygen pressure detection valve 213, oxygen solenoid valve 214 are identical with 216 working principle of oxygen check valve, comprising:
Nitrogen pressure pressure reducing valve 221 arrives third air pressure threshold value range for adjusting for inputting nitrogen and adjusting nitrogen pressure
Interior nitrogen is delivered to nitrogen pipeline filter 222.
Wherein, third air pressure threshold value range includes: that nitrogen pressure force value is less than 2.8Mpa.
Nitrogen pipeline filter 222 will filter out miscellaneous for filtering out the impurity in the nitrogen within the scope of third air pressure threshold value
Pure nitrogen after matter is delivered to nitrogen pressure detection valve 223.
Nitrogen pressure detects valve 223, for detecting the air pressure of pure nitrogen, the atmospheric pressure value that will test and the preset 4th
Air pressure threshold value range is compared, and sends nitrogen pressure signal to the control system according to comparison result.
In practical applications, it is 1.5Mpa between 2.8Mpa that the 4th air pressure threshold value range, which may include: nitrogen pressure force value,
And the nitrogen pressure force value including two critical points of 1.5Mpa and 2.8Mpa.
Control system sends the instruction of nitrogen on-off to nitrogen magnetic valve 224 for inputting nitrogen pressure signal；
Nitrogen magnetic valve 224 instructs corresponding operation for executing nitrogen on-off, to change the nitrogen pipeline 220
On off operating mode；That is, control system is sent to nitrogen magnetic valve 224 when the air pressure of pure nitrogen is within the scope of the 4th air pressure threshold value
It goes code, when the air pressure of pure nitrogen is not within the scope of the 4th air pressure threshold value, control system sends disconnected to nitrogen magnetic valve 224
Open instruction.
Nitrogen check valve 225, for exporting the pure nitrogen under 220 on-state of nitrogen pipeline.
Further, in the case that oxygen check valve 216 exports cutting gas in oxygen pipeline 210, nitrogen pipeline 220
Middle nitrogen check valve 225 is closed；
In the case that nitrogen check valve 225 exports cutting gas in nitrogen pipeline 220, oxygen list in oxygen pipeline 210
It is closed to valve 216.
Cutting head input port 300 for inputting cutting gas, and carries out plate 400 using cutting gas and processes.
Specifically, the cutting gas that oxygen check valve 216 exports in oxygen pipeline 210 includes oxygen, in nitrogen pipeline 220
It includes nitrogen that nitrogen check valve 225, which exports cutting gas, and cutting head input port 300 can be according to needed for the export of cutting technique parameter
Cutting gas, oxygen pipeline output gas when needing oxygen, when needing nitrogen, nitrogen pipeline output gas, stable carry out plate
Material 400 is processed.
It is apparent to those skilled in the art that for convenience and simplicity of description, the tool of the nitrogen pipeline
Body running process, can be with reference to the corresponding process in aforementioned oxygen pipeline embodiment, and details are not described herein.
A kind of laser cutting route controller that the above embodiment of the present invention provides, including control system, at least all the way
Gas piping and cutting head input port；Wherein, every gas-guide pipeline includes sequentially connected gas pressure pressure reducing valve, pipeline mistake
Filter, pressure detecting valve, solenoid valve and check valve；It can effectively be controlled by the gas pressure pressure reducing valve in every gas-guide pipeline
Gas pressure size, avoids pipelines from bursting, and combination pressure detection valve and solenoid valve are connected and by control system with control system
Control meets processing technology standard after further exporting gas；It can be mentioned by the in-line filter in every gas-guide pipeline
The purity level of high gas, to reduce the spoilage to internal optical mirror slip.
Embodiment two:
Fig. 4 is a kind of laser cutting air-path control system schematic diagram provided by Embodiment 2 of the present invention.
Referring to Fig. 4, laser cutting air-path control system includes the laser cutting route controller such as above-described embodiment one,
It further include plate 400.
Plate 400 is set to the lower section of cutting head input port 300 in laser cutting route controller.In processing, cut
An input port 300 is cut to be required that cutting head input port 300 and cutting plate 400 is made to keep certain according to processing technology with plate 400
Distance, the distance of the present embodiment within the scope of 0.3mm-15mm, gas inputted by input port after directly to plate 400 processing mention
For the gas supply of needs.
A kind of laser cutting air-path control system that the above embodiment of the present invention provides, including control system, at least all the way
Gas piping and cutting head input port；Wherein, every gas-guide pipeline includes sequentially connected gas pressure pressure reducing valve, pipeline mistake
Filter, pressure detecting valve, solenoid valve and check valve；It can effectively be controlled by the gas pressure pressure reducing valve in every gas-guide pipeline
Gas pressure size, avoids pipelines from bursting, and combination pressure detection valve and solenoid valve are connected and by control system with control system
Control meets processing technology standard after further exporting gas；It can be mentioned by the in-line filter in every gas-guide pipeline
The purity level of high gas, to reduce the spoilage to internal optical mirror slip.
In the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of laser cutting route controller, which is characterized in that including control system, an at least gas-guide pipeline and cutting
Head input port；
Gas piping described in every road includes sequentially connected gas pressure pressure reducing valve, in-line filter, pressure detecting valve, electromagnetism
Valve and check valve；Wherein, the pressure detecting valve in gas piping described in every road and the solenoid valve are with the control
System is connected；The check valve of gas piping described in every road is connected with the cutting head input port.
2. laser cutting route controller according to claim 1, which is characterized in that the gas piping includes oxygen
Pipeline, the oxygen pipeline include oxygen pressure pressure reducing valve, oxygen pipeline filter, oxygen pressure detection valve, oxygen solenoid valve
It further include the oxygen proportion valve being connected with the control system and the oxygen check valve with oxygen check valve；
The oxygen pressure pressure reducing valve will be adjusted into the first air pressure threshold value for inputting oxygen and adjusting oxygen pneumatic
Oxygen be delivered to the oxygen pipeline filter；
The oxygen pipeline filter will be filtered out for filtering out the impurity in the oxygen within the scope of first air pressure threshold value
Pure oxygen after impurity is delivered to the oxygen pressure detection valve；
The oxygen pressure detects valve, for detecting the air pressure of the pure oxygen, the atmospheric pressure value that will test and preset the
Two air pressure threshold value ranges are compared, and send oxygen pneumatic signal to the control system according to comparison result；
The control system, for inputting the oxygen pneumatic signal and preset oxygen cutting technique parameter, Xiang Suoshu oxygen
Solenoid valve sends the instruction of oxygen on-off, and sends oxygen pneumatic control instruction to the oxygen proportion valve；
The oxygen solenoid valve instructs corresponding operation for executing the oxygen on-off, to change the logical of the oxygen pipeline
Disconnected state；
The oxygen proportion valve, under the oxygen pipeline on-state, by the air pressure adjustment of the pure oxygen to
The pressure control instructs corresponding air pressure size, and by the oxygen check valve that the pure oxygen after adjusting air pressure is defeated
Out.
3. laser cutting route controller according to claim 2, which is characterized in that the oxygen pneumatic signal includes
First air pressure signal and the second air pressure signal；
The oxygen pressure detects valve, for when the atmospheric pressure value detected is within the scope of second air pressure threshold value, Xiang Suoshu
Control system sends first air pressure signal, is also used to when the atmospheric pressure value detected is not within the scope of second air pressure threshold value
When, Xiang Suoshu control system sends second air pressure signal.
4. laser cutting route controller according to claim 3, which is characterized in that the on-off instruction includes connecting
Instruction and open command；
The control system, for going code when inputting first air pressure signal to oxygen solenoid valve transmission, when
Alarm signal is prompted when inputting second air pressure signal and sends open command to the oxygen solenoid valve.
5. laser cutting route controller according to claim 2, which is characterized in that the first air pressure threshold value range
It include: that oxygen pressure value is less than 0.9Mpa；The second air pressure threshold value range includes: that oxygen pressure value is 0.3Mpa to 0.8Mpa
Between.
6. laser cutting route controller according to claim 2, which is characterized in that the oxygen cutting technique parameter
Including adjustable voltage value, when the adjustable voltage value is 0 to 10V, the pure oxygen corresponding with the adjustable voltage value
Air pressure size be 0 between 1Mpa.
7. according to the described in any item laser cutting route controllers of claim 2-6, which is characterized in that the gas piping
Including nitrogen pipeline, the nitrogen pipeline includes sequentially connected nitrogen pressure pressure reducing valve, nitrogen pipeline filter, nitrogen pressure
Detect valve, nitrogen magnetic valve and nitrogen check valve；
The nitrogen pressure pressure reducing valve will be adjusted into third air pressure threshold value for inputting nitrogen and adjusting nitrogen pressure
Nitrogen be delivered to the nitrogen pipeline filter；
The nitrogen pipeline filter will be filtered out for filtering out the impurity in the nitrogen within the scope of the third air pressure threshold value
Pure nitrogen after impurity is delivered to the nitrogen pressure detection valve；
The nitrogen pressure detects valve, for detecting the air pressure of the pure nitrogen, the atmospheric pressure value that will test and preset the
Four air pressure threshold value ranges are compared, and send nitrogen pressure signal to the control system according to comparison result；
The control system, for inputting the nitrogen pressure signal, Xiang Suoshu nitrogen magnetic valve sends the instruction of nitrogen on-off；
The nitrogen magnetic valve instructs corresponding operation for executing the nitrogen on-off, to change the logical of the nitrogen pipeline
Disconnected state；
The nitrogen check valve, for exporting the pure nitrogen under the nitrogen pipeline on-state.
8. laser cutting route controller according to claim 7, which is characterized in that the oxygen in the oxygen pipeline
In the case that check valve exports cutting gas, nitrogen closed check valve in the nitrogen pipeline；
In the case that nitrogen check valve exports the cutting gas in the nitrogen pipeline, oxygen is unidirectional in the oxygen pipeline
Valve is closed；
The cutting head input port carries out sheet fabrication for inputting the cutting gas, and using the cutting gas.
9. laser cutting route controller according to claim 7, which is characterized in that the third air pressure threshold value range
It include: that nitrogen pressure force value is less than 2.8Mpa；The 4th air pressure threshold value range includes: that nitrogen pressure force value is 1.5Mpa to 2.8Mpa
Between.
10. a kind of laser cutting air-path control system, which is characterized in that including laser as described in any one of claim 1 to 9
Route controller is cut, further includes plate；It is defeated that the plate is set to cutting head in the laser cutting route controller
The lower section of entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540862.6A CN110142505A (en) | 2019-06-20 | 2019-06-20 | laser cutting gas circuit control device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910540862.6A CN110142505A (en) | 2019-06-20 | 2019-06-20 | laser cutting gas circuit control device and system |
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Family
ID=67596285
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