CN218855845U - Energy-saving portable protective welding machine - Google Patents
Energy-saving portable protective welding machine Download PDFInfo
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- CN218855845U CN218855845U CN202222425591.XU CN202222425591U CN218855845U CN 218855845 U CN218855845 U CN 218855845U CN 202222425591 U CN202222425591 U CN 202222425591U CN 218855845 U CN218855845 U CN 218855845U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an energy-saving portable protective welding machine, which comprises a machine shell, a motor and a main circuit board; the shell comprises a bottom plate, a left side plate, a right side plate, a rear panel, an upper panel, a front panel and a middle partition plate; the bottom plate, the left side plate, the right side plate, the rear panel, the upper panel and the front panel form six faces of the casing; the middle partition board is arranged between the left side board and the right side board; the bottom plate bears the left and right side plates, the rear panel, the upper panel, the front panel and the middle partition plate; the front panel is provided with an output anode fast socket, an output cathode fast socket and a welding gun interface, the rear panel is provided with a ship-shaped switch, and the left side of the middle partition plate is provided with a 1KG/5KG disk shaft; the rear panel is provided with a fan. The utility model discloses not only small, light in weight, the fault rate is low moreover, has reasonable quiet external characteristics and good dynamic behavior for electric arc energy is highly concentrated, stability is good, the welding splashes for a short time, the deposition rate is high, the deformation is little, the welding seam is taken shape beautifully, is a low noise, high power factor, efficient energy-concerving and environment-protective welding equipment.
Description
Technical Field
The utility model belongs to the technical field of the welding machine, concretely relates to energy-conserving lightweight protection welding machine.
Background
The welding power supply adopts an inversion technology for nearly twenty years, silicon Controlled Rectifier (SCR) is started to realize inversion, and the production is stopped due to large volume, heavy weight and high cost caused by low inversion frequency. The existing industrial-grade welding power supply almost adopts Insulated Gate Bipolar transistors (IGBT for short) to realize inversion, a traditional hard switch is adopted, the traditional hard switch power supply technology can reduce the switching loss generated in the working process of a power switch to the minimum, and a simple control circuit is convenient to design and operate.
However, the conventional inversion gas shield welding is still large in size, the welding wire coil is single in use, only one wire coil can be used generally, and the wire coil is inconvenient to carry, few in function and short of convenience.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide an energy-conserving lightweight protection welding machine.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
an energy-saving portable protective welding machine comprises a machine shell, a motor and a main circuit board;
the shell comprises a bottom plate, a left side plate, a right side plate, a rear panel, an upper panel, a front panel and a middle partition plate; the bottom plate, the left side plate, the right side plate, the rear panel, the upper panel and the front panel form six faces of the casing; the middle partition plate is arranged between the left side plate and the right side plate; the bottom plate bears the left and right side plates, the rear panel, the upper panel, the front panel and the middle partition plate; the front panel is provided with an output anode fast socket, an output cathode fast socket and a welding gun interface, and the welding gun interface is arranged below the output anode fast socket in the middle of the front panel; the front panel is also provided with a display panel which displays current and voltage, is used for manual welding/gas shielded welding, has the functions of gas shielded welding integrated switching, parameter adjustment, thermal protection and overcurrent protection display and given output, and is connected with the main circuit board by a flat cable to transmit input/output signals; a plastic air window is arranged below the front metal plate and is used as an air outlet for ventilation;
the back panel is provided with a ship-shaped switch for controlling the on and off of a power supply, an access power line interface is arranged above the back panel and used for power supply input, a power line of the access power line interface enters the ship-shaped switch, and the ship-shaped switch is connected with the main circuit board and supplies 220V alternating current to the main circuit board; an external welding wire inlet is formed in the rear panel, and a 15K wire reel shaft is selectively installed on the rear panel;
the left side of the middle partition board is provided with a 1KG/5KG disk shaft used for placing 1KG or 5KG welding wires, the front part of the middle partition board is provided with a wire feeding motor which drives the welding wires to be fed into a welding gun for welding and wire feeding, the motor is powered by a main circuit board, the middle partition board is provided with a solid changeover joint and a flux-cored changeover joint which are used for switching the output polarities of the solid welding wires and the flux-cored welding wires, connecting cables are arranged on the solid changeover joint and the flux-cored changeover joint and connected to the output part of the wire feeder, wherein the interiors of the solid changeover joint and the flux-cored changeover joint are connected to the positive and negative output ends of the main circuit board, and the main circuit board provides output current;
a main circuit board is arranged at the front part of the right side of the middle partition board, the main transformer output is subjected to secondary rectification and then output to be connected to a solid core adapter or a flux core adapter, the main circuit board is connected with a front display board through a flat cable, a control vertical plate is arranged on the main circuit to generate a PWM (pulse-width modulation) driving signal, and a control electromagnetic valve and a motor driving circuit are realized by controlling an IGBT (insulated gate bipolar transistor) plate; the IGBT board is arranged behind the middle partition board and next to the main circuit board, an inverter circuit consisting of a radiator and the IGBT is arranged on the IGBT board and used for inverting direct current into alternating current to provide high-frequency alternating current for a main transformer on the main circuit board, and a switching power supply board is arranged above the main circuit board and used for supplying power for the main circuit board;
the rear panel is provided with a fan for heat dissipation of a main circuit power device, power supply of the fan is provided by the main circuit board, the electromagnetic valve is located on the left lower portion of the rear panel and mainly used for on-off control of air inlet, and power supply of the electromagnetic valve is provided by the main circuit board.
Preferably, a handle is arranged at the top of the upper panel and used for lifting the machine.
Preferably, four casters are provided under the base for moving the machine quickly.
Preferably, the 220V alternating current through ship type switch, buffer relay and rectifier bridge is connected to main circuit board power input end, main circuit board power input end is equipped with capacitive filter, the 220V alternating current is connected to IGBT board input after the rectifier bridge, gives the primary power supply of main transformer circuit after by the IGBT board transform, the main transformer is elementary to be equipped with RC absorption circuit, suppresses the voltage spike, the main transformer output is through external output voltage of secondary rectification single tube rectification back.
The utility model discloses following beneficial effect has:
the utility model provides a pair of energy-conserving lightweight protection welding machine, not only small, light in weight, the fault rate is low moreover, has reasonable quiet external characteristics and good dynamic behavior for electric arc energy is highly concentrated, stability is good, the welding splashes for a short time, deposition rate is high, the deformation is little, the welding seam is taken shape beautifully, is a welding equipment of low noise, high power factor, efficient energy-efficient environmental protection.
Drawings
Fig. 1 is a perspective view of the energy-saving portable protective welding machine of the utility model.
Fig. 2 is a front view of the energy-saving portable protective welding machine of the present invention.
Fig. 3 is a rear view of the energy-saving portable protective welding machine of the utility model.
Fig. 4 is a left side view (left side panel and right side panel are omitted) of the energy-saving portable protective welding machine of the present invention.
Fig. 5 is a right side view of the energy-saving portable protective welding machine (left side panel and right side panel are omitted).
Fig. 6 is a top view (omitting the top panel) of the energy-saving portable protective welding machine of the present invention.
Fig. 7 is a schematic view of the bottom plate structure of the energy-saving portable protective welding machine of the present invention.
Fig. 8 is the principle diagram of the main circuit board of the energy-saving portable protective welding machine of the utility model.
In the figure: 1. outputting a positive electrode; 2. a negative output end; 3. a welding gun interface; 4. a wind window; 5. a display panel; 6. a boat-shaped switch; 7. a power line interface; 8. 15K wire reel shaft; 9. an external welding wire inlet; 10. a rear panel; 11. 1KG/5KG wire reel shaft; 12. a wire feeding motor; 13. a solid core crossover sub; 14. a flux core crossover joint; 15. a main circuit board; 16. an IGBT board; 17. an electromagnetic valve; 18. a fan; 19. a switching power panel; 20. a handle; 21. a caster wheel.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-7, an energy saving portable protective welder comprises a machine shell, a motor and a main circuit board;
the machine shell comprises a bottom plate, a left side plate, a right side plate, a rear panel 10, an upper panel, a front panel and a middle partition plate; the bottom plate, the left side plate, the right side plate, the rear panel, the upper panel and the front panel form six faces of the casing; the middle partition plate is arranged between the left side plate and the right side plate; the bottom plate bears the left and right side plates, the rear panel, the upper panel, the front panel and the middle partition plate; the front panel is provided with an output anode 1 fast socket, an output cathode 2 fast socket and a welding gun interface 3, and the welding gun interface 3 is arranged below the output anode 1 fast socket in the middle of the front panel; when manual welding is carried out, the ground wire is connected with the negative electrode in a clamping mode, and the welding tongs are connected with the positive electrode. When gas shield welding is carried out and solid welding wires are used for welding, the ground wire is connected with the negative electrode, and the welding gun is connected with a welding gun interface; when the flux-cored wire is used for welding, the ground wire clamp is connected with the positive pole, and the welding gun is connected with the welding gun interface. The front panel is also provided with a display panel 5, the display panel 5 displays current and voltage, manual welding/gas shielded welding, has the functions of gas shielded welding integrated switching, parameter adjusting, thermal protection and overcurrent protection display and gives an output function, and the display panel 5 is connected with the main circuit board 15 by a flat cable to transmit input/output signals; a plastic air window 4 and an air outlet for ventilation are arranged below the front panel;
the back panel 10 is provided with a ship-shaped switch 6 for controlling the on and off of a power supply, an access power line interface 7 is arranged above the back panel 10 and used for power supply input, a power line of the access power line interface enters the ship-shaped switch 6, the ship-shaped switch 6 is connected with a main circuit board 15, and 220V alternating current is supplied to the main circuit board 15; an external welding wire inlet 9 is formed in the rear panel, and a 15K wire reel shaft 8 is selectively installed in the rear panel;
the left side of the middle partition board is provided with a 1KG/5KG disc shaft 11 for placing 1KG or 5KG welding wires, the front part of the middle partition board is provided with a wire feeding motor 12 for driving the welding wires to be fed into a welding gun for welding and feeding wires, the motor is powered by a main circuit board 15, the middle partition board is provided with a solid conversion joint 13 and a flux-cored conversion joint 14 for switching the output polarities of the solid welding wires and the flux-cored welding wires, connecting cables are arranged on the solid conversion joint 13 and the flux-cored conversion joint 14 and connected to the output part of the wire feeding machine, wherein the interiors of the solid conversion joint 13 and the flux-cored conversion joint 14 are connected to the positive and negative output ends of the main circuit board, and the main circuit board provides output current;
a main circuit board 15 is installed at the front position of the right side of the middle partition board, the main transformer output is subjected to secondary rectification and then is output and connected to the solid core conversion connector 13 or the flux core conversion connector 14, the main circuit board 15 is connected with the front display board 5 through a flat cable, a control vertical board is installed on the main circuit board 15 to generate a PWM (pulse-width modulation) driving signal, and a control electromagnetic valve 17 and a motor driving circuit are realized by controlling the IGBT board 16; the IGBT board is arranged behind the middle partition board and next to the main circuit board 15, an inverter circuit consisting of a radiator and the IGBT is arranged on the IGBT board and used for inverting direct current into alternating current to provide high-frequency alternating current for a main transformer on the main circuit board 15, a switching power supply board 19 is arranged above the main circuit board, and the switching power supply board 19 is used for providing power for the main circuit board 15;
the rear panel is provided with a fan 18 for heat dissipation of a main circuit power device, the fan 18 supplies power to the main circuit board, and the electromagnetic valve 17 is positioned at the left lower part of the rear panel and is mainly used for on-off control of air inlet and the power supply of the electromagnetic valve is supplied by the main circuit board 15.
In specific implementation, the top of the upper panel is provided with a handle 20 for lifting the machine.
In specific implementation, four casters 21 are provided below the base plate for rapidly moving the machine.
Referring to fig. 8, in specific implementation, one end of the power input end of the main circuit board 15 is connected with 220V alternating current passing through the ship switch 6, the buffer relay and the rectifier bridge, the power input end of the main circuit board 15 is provided with a capacitive filter, the 220V alternating current passes through the rectifier bridge and is connected to the input end of the IGBT board 16, the IGBT board converts the alternating current to supply power to the primary side of the main transformer circuit, the primary side of the main transformer is provided with an RC absorption circuit to suppress voltage spikes, and the output of the main transformer outputs voltage after being rectified by the secondary rectification single tube.
The utility model provides a pair of energy-conserving lightweight protection welding machine, not only small, light in weight, the fault rate is low moreover, has reasonable quiet external characteristics and good dynamic behavior for electric arc energy is highly concentrated, stability is good, the welding splashes for a short time, deposition rate is high, the deformation is little, the welding seam is taken shape beautifully, is a welding equipment of low noise, high power factor, efficient energy-efficient environmental protection.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.
Claims (4)
1. The utility model provides an energy-conserving lightweight protection welding machine which characterized in that: the welding machine comprises a machine shell, a motor and a main circuit board;
the shell comprises a bottom plate, a left side plate, a right side plate, a rear panel (10), an upper panel, a front panel and a middle partition plate; the bottom plate, the left side plate, the right side plate, the rear panel, the upper panel and the front panel form six faces of the machine shell; the middle partition plate is arranged between the left side plate and the right side plate; the bottom plate bears the left and right side plates, the rear panel, the upper panel, the front panel and the middle partition plate; the front panel is provided with an output anode (1) fast socket, an output cathode (2) fast socket and a welding gun interface (3), and the welding gun interface (3) is arranged below the output anode (1) fast socket in the middle of the front panel; the front panel is also provided with a display panel (5), the display panel (5) displays current and voltage, is used for manual welding/gas shielded welding, has the functions of gas shielded welding integrated switching, parameter adjustment, thermal protection and overcurrent protection display and gives an output function, and the display panel (5) is connected with the main circuit board (15) by a flat cable to transmit input/output signals; a plastic air window (4) is arranged below the front panel and is used as an air outlet for ventilation;
the rear panel (10) is provided with a ship-shaped switch (6) for controlling the on and off of a power supply, an access power line interface (7) is arranged above the rear panel (10) and used for power supply input, a power line of the access power line interface enters the ship-shaped switch (6), the ship-shaped switch (6) is connected with a main circuit board (15), and 220V alternating current is supplied to the main circuit board (15); an external welding wire inlet (9) is formed in the rear panel, and a 15K wire reel shaft (8) is selectively mounted on the rear panel;
the left side of the middle partition plate is provided with a 1KG/5KG disc shaft (11) for placing 1KG or 5KG welding wires, the front part of the middle partition plate is provided with a wire feeding motor (12) for driving the welding wires to be fed into a welding gun for welding and feeding, the motor is powered by a main circuit board (15), the middle partition plate is provided with a solid conversion joint (13) and a flux-cored conversion joint (14) for switching the output polarities of the solid welding wires and the flux-cored welding wires, connecting cables are arranged on the solid conversion joint (13) and the flux-cored conversion joint (14) and connected to the output part of the wire feeder, and the interiors of the solid conversion joint (13) and the flux-cored conversion joint (14) are connected to the positive and negative output ends of the main circuit board, and the main circuit board provides output current;
a main circuit board (15) is installed at the front position of the right side of the middle partition plate, the output of the main transformer after secondary rectification is connected to a solid core conversion connector (13) or a flux core conversion connector (14), the main circuit board (15) is connected with the front display panel (5) through a flat cable, a control vertical plate is installed on the main circuit board (15), a PWM (pulse-width modulation) driving signal is generated, and a control electromagnetic valve (17) and a motor driving circuit are realized by controlling an IGBT (insulated gate bipolar transistor) plate (16); the IGBT board is arranged behind the middle partition board and is next to the main circuit board (15), an inverter circuit consisting of a radiator and the IGBT is arranged on the IGBT board and is used for inverting direct current into alternating current to provide high-frequency alternating current for a main transformer on the main circuit board (15), a switching power supply board (19) is arranged above the main circuit board, and the switching power supply board (19) is used for supplying power for the main circuit board (15);
the rear panel is provided with a fan (18) for heat dissipation of a main circuit power device, the fan (18) supplies power to the main circuit board, the electromagnetic valve (17) is positioned at the left lower part of the rear panel and is mainly used for on-off control of air inlet, and the power supply of the electromagnetic valve is provided by the main circuit board (15).
2. The energy-saving portable protective welder as claimed in claim 1, characterized in that: the top of the upper panel is provided with a handle (20) for lifting the machine.
3. The energy-saving portable protective welder as claimed in claim 1, characterized in that: four trundles (21) are arranged below the bottom plate and are used for rapidly moving the machine.
4. The energy-saving portable protective welder as claimed in claim 1, characterized in that: the main circuit board (15) power input one end is connected through the 220V alternating current of ship type switch (6), buffer relay and rectifier bridge, main circuit board (15) power input end is equipped with capacitive filter, the 220V alternating current is connected to IGBT board (16) input after the rectifier bridge, gives the primary power supply of main transformer circuit after the transformation of IGBT board, the primary RC absorption circuit that is equipped with of main transformer suppresses the voltage peak, the external output voltage of main transformer output after secondary rectification single tube rectification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425591.XU CN218855845U (en) | 2022-09-14 | 2022-09-14 | Energy-saving portable protective welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425591.XU CN218855845U (en) | 2022-09-14 | 2022-09-14 | Energy-saving portable protective welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218855845U true CN218855845U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222425591.XU Active CN218855845U (en) | 2022-09-14 | 2022-09-14 | Energy-saving portable protective welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218855845U (en) |
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2022
- 2022-09-14 CN CN202222425591.XU patent/CN218855845U/en active Active
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