CN202607042U - Inverted argon arc and manual arc welding machine - Google Patents
Inverted argon arc and manual arc welding machine Download PDFInfo
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- CN202607042U CN202607042U CN 201220078223 CN201220078223U CN202607042U CN 202607042 U CN202607042 U CN 202607042U CN 201220078223 CN201220078223 CN 201220078223 CN 201220078223 U CN201220078223 U CN 201220078223U CN 202607042 U CN202607042 U CN 202607042U
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Abstract
The utility model relates to an inverted argon arc and manual arc welding machine. The inverted argon arc and manual arc welding machine comprises a shell, a display plate, an input wiring terminal, an air switch, an air blower, an earthing bolt and an electromagnetic valve, wherein the shell comprises a front panel, a rear panel, a left panel, a right panel, an upper panel and a lower panel; the display plate is arranged on the front panel; the input wiring terminal is arranged on the rear panel; the middle part of the front panel is provided with a '+' cable wiring terminal, a '-' cable wiring terminal and an air vent, a handle control terminal, and the front panel comprises a control device inside the shell; the air switch is arranged at one side of the input wiring terminal; and the air blower is arranged at the lower side of the input wiring terminal. The inverted argon arc and manual arc welding machine disclosed by the utility model enables the output current to be stable through constant current output, reduces the influence of arc length waviness on the current through fast dynamic response through fast dynamic response and has the advantages of reasonable static external characteristics, good dynamic property, easy arc starting, stable electric arc, high welding quality, high self-adjustment capability, continues and adjustable welding current, little workpiece deformation, beautiful welding seam forming, wide application range, small size, light weight, flexible and easy operation and suitability for various operating environments.
Description
Technical field
The utility model relates to a kind of welding machine, is specifically related to a kind of inversion argon arc, manual arc welding machine.
Background technology
Present argon arc/manual arc welding machine also has the power supply of the industrial frequency rectifying that uses controllable silicon (Silicon Controlled Rectifier is called for short SCR) greatly.Because the silicon controlled switching frequency is 50-60HZ, so main transformer is very big and heavy.By U=4.44NBSf formula (input voltage of U indication transformer wherein, N is the coiling number of turn, S is that the core section of transformer is long-pending, f is a frequency of input voltage, B is the magnetic induction intensity of iron core).Can know: under the constant situation of U, B and N, f increases, and then S reduces.Power frequency is 50Hz; And insulated gate bipolar transistor (Insulated Gate Bipolar Transistor; Abbreviation IGBT) switching frequency is 20000Hz; It is thus clear that under the identical situation of other conditions, the main transformer of the inverter of IGBT can be littler about 400 times than the main transformer of industrial frequency rectifying.It is thus clear that this industrial frequency rectifying power supply consumptive material, power consumption, big, the Heavy Weight of volume.
Inversion transformation technique is used for the source of welding current nearly two about ten years, is controllable silicon (SCR) inversion originally.Because reverse frequency is not high to make that volume is big, Heavy Weight, cost are high, has stopped producing at present.Argon arc/manual electric arc welding the power supply of existing technical grade adopts the IGBT module mostly.The operating frequency of IGBT module is not high, is generally 18000Hz, and conduction voltage drop is also higher, and anti-breakdown capability is not high, so source of welding current volume is not easy to do for a short time, and IGBT module caloric value is high, and peak voltage is also high, and it is also complicated to absorb circuit.
Therefore, provide a kind of volume little, in light weight, safe in utilization, have the welding equipment of good welds performance just to seem particularly important again simultaneously.
In view of the above problems, the utility model discloses a kind of inversion argon arc, manual arc welding machine.It has technical characterictic as mentioned below, to solve existing problem.
The utility model content
The purpose of the utility model provides a kind of inversion argon arc, manual arc welding machine, and it is that volume is little, in light weight, fault rate is low, well behaved argon arc, manual arc welding machine.
The purpose of the utility model inversion argon arc, manual arc welding machine realizes through following technical scheme: a kind of inversion argon arc, manual arc welding machine, comprise the housing that constitutes by front panel, rear board, left panel, right panel, top panel, lower panel and be arranged on front panel display board, be arranged on input wires terminal, air switch, blower fan, earth stud and the magnetic valve of rear board; Described front panel middle part also has "+" cable connecting terminal, "-" cable connecting terminal, blow vent, handgrip control terminal, also comprises the control device in the housing; Described air switch is arranged on a side of input wires terminal, and described blower fan is at the downside of input wires terminal.
Above-mentioned inversion argon arc, manual arc welding machine; Wherein, Described display board is rectangular; The central authorities of described display board are provided with electric welding/argon welding selector switch, and the upper end of display board is interval with protection indicator lamp and relay indicating light, and display board lower end the right and left is respectively equipped with electric current regulator potentiometer and the time-delay potentiometer of supplying gas; Described magnetic valve is connected with the described blow vent of front panel through tracheae.
Above-mentioned inversion argon arc, manual arc welding machine, wherein, described control device comprises inversion operating mechanism, secondary inversion operating mechanism, element board, main control circuit, drive circuit and control transformer one time; A described inversion operating mechanism comprises radiator, left radiator, rectifier bridge, filter capacitor, insulated gate bipolar transistor; Described secondary inversion operating mechanism comprises radiator, main transformer, a plurality of secondary rectifying tube, current transformer, current divider, sparking transformer and outputting inductance down.
Above-mentioned inversion argon arc, manual arc welding machine; Wherein, described rectifier bridge is arranged on left radiator, is positioned at the left end of radiator; Described filter capacitor is arranged between radiator and the following radiator, and described insulated gate bipolar transistor is arranged on described going up on the radiator.
Above-mentioned inversion argon arc, manual arc welding machine; Wherein, Described element board is arranged on described top of going up radiator, and described main control circuit, drive circuit and control transformer are arranged on the element board, and main control circuit is connected with control transformer with drive circuit respectively; Described drive circuit and control transformer all are arranged on the main control circuit; Described main control circuit is arranged on the radiator.
Above-mentioned inversion argon arc, manual arc welding machine, wherein, described main transformer is arranged at the front end of lower panel, and described secondary rectifying tube is 5 and is arranged in order the lower end that is fastened on down radiator that current transformer is through the elementary line of main transformer; Described current divider is arranged between the output and outputting inductance of secondary rectifying tube, and the output of described outputting inductance is connected with "+" cable connecting terminal; Described sparking transformer is arranged between the centre cap and "-" cable connecting terminal of main transformer, another termination "-" cable connecting terminal of described sparking transformer.
The utility model inversion argon arc, manual arc welding machine make it compared with prior art owing to adopted such scheme, have following advantage and good effect:
1, the utility model inversion argon arc, manual arc welding machine constant current output make output current more steady; Dynamic response speed is fast, reduces the influence of arc length waviness to electric current.
2, the utility model inversion argon arc, manual arc welding machine have rational quiet external characteristics and good dynamic characteristics, make the starting the arc easy, arc stability, and welding quality is high, and self-adjusting ability is strong, and welding current is adjustable continuously, and workpiece deformation is little, and appearance of weld is attractive in appearance etc.
3, the utility model inversion argon arc, manual arc welding machine have wide range of applications, and volume is little, and be in light weight, and flexible operation is simple, is applicable to various operating environments.
Below; To do further explanation through concrete embodiment; Yet embodiment only is giving an example of the optional embodiment of the utility model, and its disclosed characteristic only is used to explain and set forth the technical scheme of the utility model, and is not used in the protection domain that limits the utility model.
Description of drawings
In order better to understand the utility model, the accompanying drawing for your guidance that can quote with reference to this specification, in the accompanying drawing:
Fig. 1 is the front view of the utility model inversion argon arc, manual arc welding machine.
Fig. 2 is the rearview of the utility model inversion argon arc, manual arc welding machine.
Fig. 3 is the right view of the utility model inversion argon arc, manual arc welding machine.
Fig. 4 is each member principle figure of the utility model inversion argon arc, manual arc welding machine.
Fig. 5 is the circuit theory diagrams of the utility model inversion argon arc, manual arc welding machine.
The specific embodiment
Be further described below in conjunction with the specific embodiment of accompanying drawing the utility model:
See also shown in accompanying drawing 1 and the accompanying drawing 2, the utility model inversion argon arc, manual arc welding machine comprise the housing 01 that is made up of front panel 011, rear board 012, left panel, right panel, top panel, lower panel and the display board 0111 that is arranged on front panel 011, the input wires terminal 0121 that is arranged on rear board 012, air switch 0122, blower fan 0123, earth stud 0124 and magnetic valve 0125; Described front panel 011 middle part also has "+" cable connecting terminal 0112, "-" cable connecting terminal 0113, blow vent 0114, handgrip control terminal 0115, also comprises the control device in the housing 01; Described air switch 0122 is arranged on a side of input wires terminal 0121, and described blower fan 0123 is at the downside of input wires terminal 0121.One air switch 0122 of air switch plays overcurrent protection, when tripping when being used to take place serious overload or short circuit; 0123 pair of heater members of blower fan plays the pressure cooling purpose.
Described display board 0111 is rectangular; The central authorities of described display board 0111 are provided with electric welding/argon welding selector switch 0116; The upper end of display board 0111 is interval with protection indicator lamp 0117 and relay indicating light 0118, and display board 0111 lower end the right and left is respectively equipped with electric current regulator potentiometer 0119 and the time-delay potentiometer 0110 of supplying gas.After the main frame energized, relay indicating light 0118 is that bright demonstration main frame is in the energising duty; After protection indicator lamp 0117 was bright, main frame got into guard mode, quits work; Electric current regulator potentiometer 0119 is being controlled the size of given electric current, and electric current regulator potentiometer 0119 is when turning clockwise, and given electric current increases, otherwise, then diminish; Electric welding/argon welding selector switch 0116 plays the effect of welding machine working method conversion; Magnetic valve 0125 is connected with the blow vent 0114 of front panel 011 through tracheae.
See also shown in accompanying drawing 3 and the accompanying drawing 4, described control device comprises inversion operating mechanism 02, secondary inversion operating mechanism 03, element board, main control circuit 04, drive circuit 05 and control transformer 06 one time; A described inversion operating mechanism 02 comprises radiator 021, left radiator 022, rectifier bridge 023, filter capacitor 024, insulated gate bipolar transistor 025; Described secondary inversion operating mechanism 03 comprises radiator 031, main transformer 032, a plurality of secondary rectifying tube 033, current transformer 034, current divider 035, sparking transformer 036 and outputting inductance 037 down.Main control circuit 04 is made up of circuit such as welding current given circuit, current feedback circuit, overtemperature protections.
Described rectifier bridge 024 is arranged on left radiator 022; Be positioned at the left end of radiator 021; Be used for being transformed into DC voltage to alternating voltage, described filter capacitor 024 is arranged between radiator 021 and the following radiator 031, and described insulated gate bipolar transistor 025 is arranged on described going up on the radiator 021; Be used for converting the DC voltage of exporting after the above-mentioned rectification to the intermediate frequency square-wave voltage, this transfer process is called inversion.
Described element board is arranged on described top of going up radiator 021, and described main control circuit 04, drive circuit 05 and control transformer 06 are arranged on the element board, and main control circuit 04 is connected with control transformer 06 with drive circuit 05 respectively; Described drive circuit 05 all is arranged on the main control circuit 04 with control transformer 06; Described main control circuit 04 is arranged on the radiator 021, uses plastic column and last radiator to leave at a distance from 021.
Described main transformer 032 is arranged at the front end of lower panel, is used for being transformed into lower intermediate frequency square-wave voltage to the intermediate frequency square-wave voltage of the inverter of above-mentioned insulated gate bipolar transistor 025 output, and the iron core of main transformer 032 can adopt nanocrystalline material; Compare with ferrite; It has the saturation induction density height, and loss is low, and magnetic conductivity is high; Advantages such as Heat stability is good, the primary and secondary coil of main transformer 032 adopts the parallel connection of multiply enamel-covered wire; Described secondary rectifying tube 033 can adopt 5 to be arranged in order the lower end that is fastened on down radiator 031, and the medium-frequency pulse voltage transition becomes the required DC voltage of welding; Current transformer 034 is given main control circuit 04 delivered current signal through the elementary line of main transformer 032, is used for overcurrent protection; Current divider 035 is arranged between the output and outputting inductance 037 of secondary rectifying tube 033; Current divider 035 plays the effect of current feedback; Outputting inductance 037 plays the effect of filtering energy storage, and the output of outputting inductance 037 is connected with "+" cable connecting terminal 0112; Sparking transformer 036 is arranged between the centre cap and "-" cable connecting terminal 0113 of main transformer 032, and sparking transformer 036 plays the effect of striking high pressure; Sparking transformer 036 another termination "-" cable connecting terminal.
The effect of main control circuit 04 is to come the accurately size of control output current with the size of given electric current; Just confirm to send into the voltage signal size of drive circuit 05 with the size of welding current set-point; And be subject to the size of current feedback; When current feedback value during greater than the welding current set-point, then no signal output; Carry out the effect of logic control to haveing suffered welding process in addition in addition; Also has the effect that secondary rectifying tube 033 is controlled and driven simultaneously; Control transformer 06 provides required power supply for main control circuit 04, and control transformer 06 also provides power supply for blower fan 0123 simultaneously.
See also shown in the accompanying drawing 5, described input wires terminal 0121 external 220V AC power, two outputs of input wires terminal 0121 respectively with the corresponding connection of two inputs of air switch 0122; Two outputs of air switch 0122 are connected respectively at two inputs of rectifier bridge 023, and the output of rectifier bridge 023 is connected with filter capacitor 024 respectively, and rectifier bridge 023 is carried DC voltage to filter capacitor 024; Rectification electric current is later carried out filtering; Insulated gate bipolar transistor 025 is connected with the output of filter capacitor 024, and filter capacitor 024 provides filtered DC voltage to insulated gate bipolar transistor 025, and insulated gate bipolar transistor 025 converts the DC voltage of exporting after the rectification to the intermediate frequency square-wave voltage; Insulated gate bipolar transistor 025 is connected with main transformer 032; Insulated gate bipolar transistor 025 also is connected with the signal input part of drive circuit 05 simultaneously, and drive circuit 05 is connected with main control circuit 04, and main control circuit 04 is according to the requirement of given electric current; Drive signal to drive circuit 05 transmission; Drive circuit 05 will go out to deliver to insulated gate bipolar transistor 025 after will driving signal shaping, amplification, drive insulated gate bipolar transistor 025 operate as normal, and the output that drives insulated gate bipolar transistor 025 is connected with main transformer 032; The intermediate frequency square-wave voltage that main transformer 032 will drive the inverter output of insulated gate bipolar transistor 025 is transformed into lower intermediate frequency square-wave voltage; Current transformer 034 in the elementary series connection of main transformer 032 passes to main control circuit 04 with current feedback signal, prevents the major loop overcurrent; Play the effect of overcurrent protection; Secondary and the secondary rectifying tube 033 of main transformer 032 is connected, and the centre cap of main transformer 032 is connected with sparking transformer 036 simultaneously, sparking transformer 036 output termination "-" cable connecting terminal 0113; Direct current after 033 rectification of secondary rectifying tube is connected with outputting inductance 037 through current divider 035; Another termination "+" cable connecting terminal 0112 of outputting inductance 037, current divider 035 pass to main control circuit with current feedback signal, thus the output of control actual current.Main control circuit 04 is connected with control transformer 06; The input of drive circuit 05 is connected with the output of main control circuit 04; The input of main transformer 032 is connected with current transformer 034; The output of current transformer 034 is connected with main control circuit 04, and current transformer 034 is to main circuit transmission current feedback signal.Control transformer 06 other end connects the output of filter capacitor 024, and display board 0111 is connected with main control circuit 04.
In sum, the utility model inversion argon arc, manual arc welding machine constant current output make output current more steady; Dynamic response speed is fast, reduces the influence of arc length waviness to electric current; The utility model has rational quiet external characteristics and good dynamic characteristics, makes the starting the arc easy, arc stability, and welding quality is high, and self-adjusting ability is strong, and welding current is adjustable continuously, and workpiece deformation is little, and appearance of weld is attractive in appearance etc.; The utility model has wide range of applications, and volume is little, and is in light weight, and flexible operation is simple, is applicable to various operating environments.
Foregoing is the enumerating of specific embodiment of the utility model inversion argon arc, manual arc welding machine, for the wherein not equipment of detailed description and structure, is to be understood that to taking existing common apparatus in this area and universal method to implement.
Claims (6)
1. an inversion argon arc, manual arc welding machine is characterized in that: comprise the housing (01) that is made up of front panel (011), rear board (012), left panel, right panel, top panel, lower panel and be arranged on the display board (0111) of front panel (011), the input wires terminal (0121) that is arranged on rear board (012), air switch (0122), blower fan (0123), earth stud (0124) and magnetic valve (0125); Described front panel (011) middle part also has "+" cable connecting terminal (0112), "-" cable connecting terminal (0113), blow vent (0114), handgrip control terminal (0115), also comprises the control device in the housing (01); Described air switch (0122) is arranged on a side of input wires terminal (0121), and described blower fan (0123) is at the downside of input wires terminal (0121).
2. inversion argon arc according to claim 1, manual arc welding machine; It is characterized in that: described display board (0111) is rectangular; The central authorities of described display board (0111) are provided with electric welding/argon welding selector switch (0116); The upper end of display board (0111) is interval with protection indicator lamp (0117) and relay indicating light (0118), and display board (0111) lower end the right and left is respectively equipped with electric current regulator potentiometer (0119) and the time-delay potentiometer (0110) of supplying gas; Described magnetic valve (0125) is connected with the described blow vent (0114) of front panel (011) through tracheae.
3. inversion argon arc according to claim 1, manual arc welding machine is characterized in that: described control device comprises an inversion operating mechanism (02), secondary inversion operating mechanism (03), element board, main control circuit (04), drive circuit (05) and control transformer (06); A described inversion operating mechanism (02) comprises radiator (021), left radiator (022), rectifier bridge (023), filter capacitor (024), insulated gate bipolar transistor (025); Described secondary inversion operating mechanism (03) comprises radiator (031), main transformer (032), a plurality of secondary rectifying tube (033), current transformer (034), current divider (035), sparking transformer (036) and outputting inductance (037) down.
4. inversion argon arc according to claim 3, manual arc welding machine; It is characterized in that: described rectifier bridge (024) is arranged on left radiator (022); Be positioned at the left end of radiator (021); Described filter capacitor (024) is arranged between radiator (021) and the following radiator (031), and described insulated gate bipolar transistor (025) is arranged on described going up on the radiator (021).
5. inversion argon arc according to claim 3, manual arc welding machine; It is characterized in that: described element board is arranged on described top of going up radiator (021); Described main control circuit (04), drive circuit (05) and control transformer (06) are arranged on the element board, and main control circuit (04) is connected with control transformer (06) with drive circuit (05) respectively; Described drive circuit (05) and control transformer (06) all are arranged on the main control circuit (04); Described main control circuit (04) is arranged on the radiator (021).
6. inversion argon arc according to claim 3, manual arc welding machine; It is characterized in that: described main transformer (032) is arranged at the front end of lower panel; Described secondary rectifying tube (033) is 5 and is arranged in order the lower end that is fastened on down radiator (031) that current transformer (034) is through the elementary line of main transformer (032); Described current divider (035) is arranged between the output and outputting inductance (037) of secondary rectifying tube (033), and the output of described outputting inductance (037) is connected with "+" cable connecting terminal (0112); Described sparking transformer (036) is arranged between the centre cap and "-" cable connecting terminal (0113) of main transformer (032), another termination "-" cable connecting terminal of described sparking transformer (036).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220078223 CN202607042U (en) | 2012-03-05 | 2012-03-05 | Inverted argon arc and manual arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220078223 CN202607042U (en) | 2012-03-05 | 2012-03-05 | Inverted argon arc and manual arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202607042U true CN202607042U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220078223 Expired - Lifetime CN202607042U (en) | 2012-03-05 | 2012-03-05 | Inverted argon arc and manual arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202607042U (en) |
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2012
- 2012-03-05 CN CN 201220078223 patent/CN202607042U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |