CN105965138A - Device for saving gas flow consumed in welding process - Google Patents
Device for saving gas flow consumed in welding process Download PDFInfo
- Publication number
- CN105965138A CN105965138A CN201610445486.9A CN201610445486A CN105965138A CN 105965138 A CN105965138 A CN 105965138A CN 201610445486 A CN201610445486 A CN 201610445486A CN 105965138 A CN105965138 A CN 105965138A
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- Prior art keywords
- flow
- control unit
- gas
- value
- force value
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a device for saving gas flow consumed in the welding process. The device comprises a body, a gas inlet, a quick joint and a gas outlet; the quick joint is arranged at the gas inlet; an automatic flow control unit is arranged inside the body; the automatic flow control unit comprises a control unit and a flow switch, wherein the control unit controls the switching value of the flow switch; an inner chamber of the body is divided into a gas inlet chamber and a gas outlet chamber by the automatic flow control unit; a flow meter and a pressure gauge are arranged in the gas inlet chamber; a flow adjusting valve and a pressure sensor are arranged in the gas outlet chamber; and the flow adjusting valve corresponds to the gas outlet and is used for adjusting gas flow of the gas outlet. According to the device for saving gas flow, gas flow is adjusted through pressure control. The flow is maintained the same from the beginning to the ending of the welding process, and thus on the premise that welding quality is guaranteed, gas flow is saved.
Description
Technical field
The present invention relates to a kind of gas flow control device, be specifically related to a kind of welding process gas flow economy system,
Belong to industrial welding field.
Background technology
Gas shielded arc welding is to utilize gas as electric arc medium and to protect the arc welding of electric arc and weld zone to be referred to as gas guarantor
Protect arc welding, be called for short gas shielded arc welding.Gas shielded arc welding is good owing to having welding quality, and efficiency is high, easily realizes automatization etc. excellent
Put and developed rapidly.In prior art, the welding gas flow switch of circulation is the flow bore only controlling gas, it is impossible to
Controlling pressure, so pressure is the highest in causing gas pipeline, pressure concentrates on welding gun, and when triggering welding, flow is very big, air-flow
Welding procedure is adversely affected by instability, and then affects product quality, simultaneously because gas flows out in a large number, causes gas wave
Take.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of welding process gas flow economy system, pass through pressure
Control to adjust the flow of gas.Keep consistent, so ensureing welding quality from starting to be welded to weld the flow till terminating
Under premise, also save gas flow.
For reaching above-mentioned purpose, technical scheme is as follows: 1. a welding process gas flow economy system, bag
Including body, arrange gas access on the body, snap joint, gas outlet, described snap joint is arranged on described gas
Body porch, is internally provided with automatic flow control unit at described body, and described automatic flow control unit includes controlling
Unit and flow switch, described control unit controls the switching value of described flow switch, and described automatic flow control unit is by institute
State the lumen segmentation of body for entering air cavity and outlet chamber, enter to be provided with in air cavity and enter air cavity stream described in measuring in real time described
The effusion meter measured and the Pressure gauge being used for entering described in measurement in real time air cavity force value, be provided with Flow-rate adjustment in described outlet chamber
Valve and pressure transducer, described flow control valve is corresponding with described gas outlet, is used for regulating described gas outlet air-flow.
Preferably, described Pressure gauge electrically connects with described control unit, and real-time pressure value is transmitted to institute by described Pressure gauge
State control unit.
Preferably, described pressure transducer electrically connects with described control unit, and described pressure transducer is by real-time pressure value
Transmission is to described control unit.
Preferably, described switching value with described enter air cavity force value negative correlation, with described outlet chamber force value positive correlation.
Preferably, described control unit includes data transmission blocks, and described data transmission blocks receives for real-time Transmission
The force value arrived and flow value.
Preferably, described data transmission blocks by Ethernet or RS485 communication modes real-time be transferred to computer terminal
Or PLC device.
Preferably, described flow switch passes through step motor control.
Preferably, also include a kind of gas flow autocontrol method, said method comprising the steps of:
(1) snap joint is connected with gas pipeline or tank body, enters gas pressure value and pipeline or tank body force value in air cavity
Keeping consistent, control unit real-time reception Pressure gauge and the force value of pressure transducer transmission, the difference after comparing is converted into
One pulse signal controls motor and rotates, and drives flow switch to open；
(2) after flow switch is opened, in outlet chamber, force value increases rapidly, and along with force value increases, flow switch is slow
Guan Bi, after reaching setting value, it is of completely closed that control unit controls flow switch, and gas economy system is in holding state；
(3) welding proceeds by, and gas at the uniform velocity flows out from gas outlet, and outlet chamber force value begins to decline, pressure transducer
Force value is transferred to control unit, and control unit secondary control again opens flow switch, is promoted to set by force value in outlet chamber
Definite value；
(4), after step (2) is repeated several times, flow switch is opened a fixed value and outlet chamber working pressure can be maintained permanent
Fixed.
Compared with prior art, the invention has the beneficial effects as follows:
1., owing to using automatic flow control unit, force value change in air cavity can be detected in real time, and flowed by control
The switching value size of amount switch, the force value adjusted in real time in air cavity is in steady state value, it is ensured that in welding process, protects gas
The supply that body is uniform and stable, and then improve welding procedure reliability.
2., owing to can protective gas parameter be transmitted to work computer or PLC device in real time, can realize welding can
By reviewing of property, it is simple to Automated condtrol.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in embodiment of the present invention technology, in embodiment technology being described below
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is present configuration schematic diagram
Fig. 2 is inventive flow value schematic diagram
Wherein, 1 is effusion meter, and 2 is snap joint, and 3 is Pressure gauge, and 4 is automatic flow control unit, and 5 is Flow-rate adjustment
Valve, 6 is pressure transducer, and 7 is gas outlet, and 8 for entering air cavity, and 9 is outlet chamber, and 10 is gas access, and 11 is body；
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment
As it is shown in figure 1, the invention discloses a kind of welding process gas flow economy system, enter including body 11, gas
Mouth 10, snap joint 2, gas outlet 7, above-mentioned snap joint 2 is arranged at above-mentioned gas entrance 10, inside above-mentioned body 11
Be provided with automatic flow control unit 4, above-mentioned automatic flow control unit 4 by above-mentioned body 11 lumen segmentation for entering air cavity 8 He
Outlet chamber 9, above-mentioned automatic flow control unit 4 includes control unit and flow switch, and control unit controls above-mentioned flow switch
Switching value, above-mentioned switching value with above-mentioned enter air cavity 8 force value negative correlation, and above-mentioned outlet chamber 9 force value positive correlation, above-mentioned
Be provided with in entering air cavity 8 in real time measure above-mentioned enter air cavity 8 flow effusion meter 1 and for measure in real time above-mentioned enter air cavity 8
The Pressure gauge 3 of force value, above-mentioned Pressure gauge 3 electrically connects with above-mentioned control unit, and real-time pressure value is transmitted extremely by above-mentioned Pressure gauge 3
Above-mentioned control unit.In above-mentioned outlet chamber 9, be provided with flow control valve 5 and pressure transducer 6, above-mentioned flow control valve 5 with
Above-mentioned gas exports 7 corresponding, is used for regulating above-mentioned gas and exports 7 air-flows, above-mentioned pressure transducer 6 and above-mentioned control unit
Electrical connection, above-mentioned pressure transducer 6 is by real-time pressure value transmission extremely above-mentioned control unit.Above-mentioned control unit includes that data send
Module, the force value received for real-time Transmission and flow value.Data transmission blocks passes through Ethernet or RS485 communication modes
Real-time is transferred to computer terminal or PLC device.
Work process of the present invention:
1. snap joint is connected with gas pipeline or tank body, and in entering air cavity, gas pressure value is protected with pipeline or tank body force value
Holding consistent, control unit real-time reception Pressure gauge and the force value of pressure transducer transmission, the difference after comparing is converted into one
Individual pulse signal controls motor and rotates, and drives flow switch to open；
2. after flow switch is opened, in outlet chamber, force value increases rapidly, and along with force value increases, flow switch slowly closes
Closing, after reaching setting value, it is of completely closed that control unit controls flow switch, and gas economy system is in holding state；
3. welding proceeds by, and gas at the uniform velocity flows out from gas outlet, and outlet chamber force value begins to decline, and pressure transducer will
Force value is transferred to control unit, and control unit secondary control again opens flow switch, is promoted to force value in outlet chamber set
Value；
4., after step (2) is repeated several times, flow switch is opened a fixed value and outlet chamber working pressure can be maintained permanent
Fixed.
As in figure 2 it is shown, use the gas flow economy system that the present invention provides, gas usage amount elapses, substantially in time
Keep constant；
More existing gas flow adjuster, uses the gas economy system of the present invention, significantly saves gas usage amount, under
Table is the present embodiment number of actual measurements value.
Before using
| Number machine | Designation | Solder joint | Electric current (A) | Voltage (V) | Gas (l/min) | Weld interval (sec) | Judge |
| 5 | 14 | 1 | 177.4 | 18.77 | 13.34 | 0 | NG_(G) |
| 5 | 14 | 1 | 173.5 | 19.37 | 14.97 | 0 | NG_(G) |
| 5 | 14 | 1 | 146.3 | 19.32 | 16.42 | 0.1 | NG_(G) |
| 5 | 14 | 1 | 161.8 | 19.45 | 17.71 | 0.1 | NG_(G) |
| 5 | 14 | 1 | 193.9 | 18.01 | 18.83 | 0.2 | NG_(G) |
| 5 | 14 | 1 | 184.3 | 19.77 | 19.8 | 0.2 | NG_(G) |
| 5 | 14 | 1 | 146.8 | 20 | 20.65 | 0.3 | NG_(G) |
| 5 | 14 | 1 | 178.8 | 18.67 | 21.34 | 0.3 | NG_(G) |
| 5 | 14 | 1 | 143.1 | 20.52 | 21.95 | 0.4 | NG_(G) |
| 5 | 14 | 1 | 164.9 | 19.85 | 22.47 | 0.4 | NG_(G) |
| 5 | 14 | 1 | 143.3 | 19.93 | 22.91 | 0.5 | NG_(G) |
| 5 | 14 | 1 | 146.2 | 19.49 | 23.29 | 0.5 | NG_(G) |
| 5 | 14 | 1 | 216.4 | 17.97 | 23.64 | 0.6 | NG_(G) |
| 5 | 14 | 1 | 186.5 | 20.14 | 23.94 | 0.6 | NG_(G) |
| 5 | 14 | 1 | 170.4 | 19.44 | 24.16 | 0.7 | NG_(G) |
| 5 | 14 | 1 | 107.4 | 21.15 | 24.29 | 0.7 | NG_(G) |
| 5 | 14 | 1 | 137.2 | 19.97 | 24.35 | 0.8 | NG_(G) |
| 5 | 14 | 1 | 164 | 19.28 | 24.36 | 0.8 | NG_(G) |
| 5 | 14 | 1 | 164.5 | 19.49 | 24.29 | 0.9 | NG_(G) |
| 5 | 14 | 1 | 170 | 19.87 | 24.15 | 0.9 | NG_(G) |
| 5 | 14 | 1 | 186.8 | 18.96 | 23.96 | 1 | NG_(G) |
| 5 | 14 | 1 | 178.5 | 19.28 | 23.73 | 1 | NG_(G) |
| 5 | 14 | 1 | 172 | 19.95 | 23.48 | 1.1 | NG_(G) |
| 5 | 14 | 1 | 172.1 | 19.09 | 23.18 | 1.1 | NG_(G) |
| 5 | 14 | 1 | 158.7 | 14.32 | 22.87 | 1.2 | NG_(G) |
| 5 | 14 | 1 | 38.5 | 21.06 | 22.54 | 1.2 | NG_(G) |
| 5 | 14 | 1 | 26 | 56.8 | 22.18 | 1.3 | NG_(G) |
| 5 | 14 | 1 | 24 | 60.65 | 21.81 | 1.3 | NG_(G) |
| 5 | 14 | 1 | 24 | 60.66 | 21.43 | 1.4 | NG_(G) |
| 5 | 14 | 1 | 24 | 60.63 | 21.04 | 1.4 | NG_(G) |
| 5 | 14 | 1 | 24 | 56.48 | 20.63 | 1.5 | NG_(G) |
| 5 | 14 | 1 | 24 | 2.43 | 20.24 | 1.5 | NG_(G) |
| 5 | 14 | 1 | 24 | 0.35 | 19.87 | 1.6 | NG_(G) |
After using
| Number machine | Designation | Solder joint | Electric current (A) | Voltage (V) | Gas (l/min) | Weld interval (sec) | Judge |
| 5 | 14 | 1 | 178.6 | 18.81 | 3 | 0 | GOOD |
| 5 | 14 | 1 | 153.5 | 19.96 | 3.77 | 0 | GOOD |
| 5 | 14 | 1 | 182.8 | 19.01 | 4.5 | 0.1 | GOOD |
| 5 | 14 | 1 | 174.6 | 19.29 | 5.21 | 0.1 | GOOD |
| 5 | 14 | 1 | 192.3 | 18.37 | 5.88 | 0.2 | GOOD |
| 5 | 14 | 1 | 170.3 | 18.84 | 6.52 | 0.2 | GOOD |
| 5 | 14 | 1 | 165.4 | 19.49 | 7.12 | 0.3 | GOOD |
| 5 | 14 | 1 | 148.8 | 19.62 | 7.71 | 0.3 | GOOD |
| 5 | 14 | 1 | 154.4 | 20 | 8.24 | 0.4 | GOOD |
| 5 | 14 | 1 | 151.5 | 20 | 8.77 | 0.4 | GOOD |
| 5 | 14 | 1 | 180.8 | 18.87 | 9.24 | 0.5 | GOOD |
| 5 | 14 | 1 | 165.1 | 19.62 | 9.69 | 0.5 | GOOD |
| 5 | 14 | 1 | 189.6 | 18.93 | 10.13 | 0.6 | GOOD |
| 5 | 14 | 1 | 168.8 | 20.29 | 10.52 | 0.6 | GOOD |
| 5 | 14 | 1 | 163 | 19.94 | 10.9 | 0.7 | GOOD |
| 5 | 14 | 1 | 140.5 | 20.19 | 11.26 | 0.7 | GOOD |
| 5 | 14 | 1 | 165.4 | 19.83 | 11.59 | 0.8 | GOOD |
| 5 | 14 | 1 | 232 | 17.74 | 11.9 | 0.8 | GOOD |
| 5 | 14 | 1 | 160.3 | 20.51 | 12.19 | 0.9 | GOOD |
| 5 | 14 | 1 | 175.4 | 19.31 | 12.47 | 0.9 | GOOD |
| 5 | 14 | 1 | 134.4 | 20.39 | 12.73 | 1 | GOOD |
| 5 | 14 | 1 | 152.1 | 19.52 | 12.97 | 1 | GOOD |
| 5 | 14 | 1 | 148.8 | 19.83 | 13.2 | 11 | GOOD |
| 5 | 14 | 1 | 194.7 | 18.45 | 13.41 | 11 | GOOD |
| 5 | 14 | 1 | 168.4 | 12.63 | 13.61 | 12 | GOOD |
| 5 | 14 | 1 | 54.1 | 17.8 | 13.81 | 12 | GOOD |
| 5 | 14 | 1 | 8.9 | 41.64 | 13.98 | 13 | GOOD |
| 5 | 14 | 1 | 21 | 60.59 | 14.14 | 13 | GOOD |
| 5 | 14 | 1 | 21 | 60.57 | 14.29 | 14 | GOOD |
| 5 | 14 | 1 | 21 | 60.64 | 14.47 | 14 | GOOD |
| 5 | 14 | 1 | 21 | 58.95 | 14.61 | 15 | GOOD |
| 5 | 14 | 1 | 21 | 3.72 | 14.75 | 15 | GOOD |
| 5 | 14 | 1 | 21 | 0.29 | 14.87 | 16 | GOOD |
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (8)
1. a welding process gas flow economy system, including body, arranges gas access on the body, quickly connects
Head, gas outlet, described snap joint is arranged at described gas access, it is characterised in that: arrange in the inside of described body
Automatic flow control unit, described automatic flow control unit is had to include control unit and flow switch, described control unit control
Make the switching value of described flow switch, described automatic flow control unit by the lumen segmentation of described body for entering air cavity and giving vent to anger
Chamber, enters to be provided with in air cavity described in measure in real time enter the effusion meter of Flow amount of air chamber and enter described in measuring in real time described
The Pressure gauge of air cavity force value, is provided with flow control valve and pressure transducer, described flow control valve in described outlet chamber
Corresponding with described gas outlet, it is used for regulating described gas outlet air-flow.
A kind of welding process gas flow economy system the most according to claim 1, it is characterised in that: described Pressure gauge with
Described control unit electrically connects, and described Pressure gauge is by real-time pressure value transmission extremely described control unit.
A kind of welding process gas flow economy system the most according to claim 1, it is characterised in that: described pressure sensing
Device electrically connects with described control unit, and described pressure transducer is by real-time pressure value transmission extremely described control unit.
A kind of welding process gas flow economy system the most according to claim 1, it is characterised in that: described switching value with
Described enter air cavity force value negative correlation, with described outlet chamber force value positive correlation.
A kind of welding process gas flow economy system the most according to claim 1, it is characterised in that: described control unit
Including data transmission blocks, described data transmission blocks is used for force value and the flow value that real-time Transmission receives.
A kind of welding process gas flow economy system the most according to claim 4, it is characterised in that: described data send
Module by Ethernet or RS485 communication modes real-time be transferred to computer terminal or PLC device.
A kind of welding process gas flow economy system the most according to claim 1, it is characterised in that: described flow switch
Pass through step motor control.
8. a gas flow autocontrol method, uses a kind of welding process gas stream described in any one of claim 1-7
Amount economy system, it is characterised in that: said method comprising the steps of:
(1) snap joint is connected with gas pipeline or tank body, and in entering air cavity, gas pressure value keeps with pipeline or tank body force value
Unanimously, control unit real-time reception Pressure gauge and the force value of pressure transducer transmission, the difference after comparing is converted into one
Pulse signal controls motor and rotates, and drives flow switch to open；
(2) after flow switch is opened, in outlet chamber, force value increases rapidly, and along with force value increases, flow switch slowly closes,
After reaching setting value, it is of completely closed that control unit controls flow switch, and gas economy system is in holding state；
(3) welding proceeds by, and gas at the uniform velocity flows out from gas outlet, and outlet chamber force value begins to decline, and pressure transducer will pressure
Force value is transferred to control unit, and control unit secondary control again opens flow switch, and force value in outlet chamber is promoted to setting value；
(4), after step (2) is repeated several times, flow switch is opened a fixed value and outlet chamber working pressure can be maintained constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445486.9A CN105965138A (en) | 2016-06-21 | 2016-06-21 | Device for saving gas flow consumed in welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445486.9A CN105965138A (en) | 2016-06-21 | 2016-06-21 | Device for saving gas flow consumed in welding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105965138A true CN105965138A (en) | 2016-09-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610445486.9A Pending CN105965138A (en) | 2016-06-21 | 2016-06-21 | Device for saving gas flow consumed in welding process |
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| CN106881521A (en) * | 2017-04-17 | 2017-06-23 | 四川玛瑞焊业发展有限公司 | According to the protector supply system of air pressure real-time regulation in bottle |
| CN106881522A (en) * | 2017-04-17 | 2017-06-23 | 四川玛瑞焊业发展有限公司 | The system that protective gas is determined according to weldment |
| CN109890547A (en) * | 2016-10-28 | 2019-06-14 | 株式会社安德 | The condition judgement method of solder horn |
| CN110653457A (en) * | 2019-09-30 | 2020-01-07 | 桥兴能源科技(广东)有限公司 | Energy-saving comprehensive control system for welding gas |
| CN111098000A (en) * | 2020-01-13 | 2020-05-05 | 广州市欣大津焊接材料有限公司 | Flow control method and device for protective gas in welding equipment |
| CN112296490A (en) * | 2020-10-15 | 2021-02-02 | 中广核工程有限公司 | Closed automatic welding head |
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| CN109890547A (en) * | 2016-10-28 | 2019-06-14 | 株式会社安德 | The condition judgement method of solder horn |
| CN109890547B (en) * | 2016-10-28 | 2021-07-09 | 株式会社安德 | Soldering bit state determination method |
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| CN106881522A (en) * | 2017-04-17 | 2017-06-23 | 四川玛瑞焊业发展有限公司 | The system that protective gas is determined according to weldment |
| CN110653457A (en) * | 2019-09-30 | 2020-01-07 | 桥兴能源科技(广东)有限公司 | Energy-saving comprehensive control system for welding gas |
| CN111098000A (en) * | 2020-01-13 | 2020-05-05 | 广州市欣大津焊接材料有限公司 | Flow control method and device for protective gas in welding equipment |
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| CN112296490A (en) * | 2020-10-15 | 2021-02-02 | 中广核工程有限公司 | Closed automatic welding head |
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Application publication date: 20160928 |