CN112008202A - Manual tungsten electrode argon arc welding filament auxiliary wire feeding device - Google Patents

Manual tungsten electrode argon arc welding filament auxiliary wire feeding device Download PDF

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Publication number
CN112008202A
CN112008202A CN202010872705.8A CN202010872705A CN112008202A CN 112008202 A CN112008202 A CN 112008202A CN 202010872705 A CN202010872705 A CN 202010872705A CN 112008202 A CN112008202 A CN 112008202A
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China
Prior art keywords
wire feeding
wire
arc welding
welding
power supply
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CN202010872705.8A
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Chinese (zh)
Inventor
代能武
孙伟
张强
吴汉中
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Individual
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Priority to CN202010872705.8A priority Critical patent/CN112008202A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/133Means for feeding electrodes, e.g. drums, rolls, motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/167Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

The invention belongs to the field of welding, and particularly relates to an auxiliary wire feeding device for manual tungsten electrode argon arc welding of a thin wire. According to the invention, through designing the power supply, the wire feeding mechanism and the wire guiding device, the welding wire can be conveyed, automatic wire feeding is realized, and meanwhile, the operation process can be controlled in time through the wire feeding speed adjusting and accelerating button, the wire feeding speed adjusting and decelerating button, the wire feeding starting switch and the wire feeding closing switch on the wire guiding device, so that the condition that the wire feeding speed is too high or too low is avoided, and the efficient operation of welding work is effectively ensured.

Description

Manual tungsten electrode argon arc welding filament auxiliary wire feeding device
Technical Field
The invention relates to the technical field of welding, in particular to an auxiliary wire feeding device for manual tungsten electrode argon arc welding filaments.
Background
The existing operation method of manual tungsten electrode argon arc is to hold a welding wire by a left hand and hold a welding gun by a right hand, the welding gun ignites an electric arc on a workpiece to form a molten pool, then the welding wire is fed into the molten pool by the left hand to form a welding seam, after welding of one welding wire is finished, the welding wire is stopped and then taken to be newly ignited for arc welding, uniform wire feeding and continuous welding cannot be realized, and protective gas can be stirred during feeding of the welding wire, so that air can enter the molten pool organically to influence the welding quality.
Disclosure of Invention
The invention aims to provide an auxiliary wire feeding device for manual argon tungsten-arc welding of thin wires, which solves the problems that the wire feeding speed of the existing argon arc welding is difficult to adjust and cannot keep up with the melting speed.
In order to achieve the purpose, the invention provides the following technical scheme: a manual tungsten electrode argon arc welding filament auxiliary wire feeding device comprises a power supply, wherein a power line is inserted into the power supply, the other end of the power line is connected with a wire feeding mechanism, a wire feeding wheel, a control wire interface and a welding wire outlet interface are arranged on the wire feeding mechanism, and the left side of the wire feeding mechanism is connected with a wire guiding device;
the thread guide device comprises a thread guide rod, a thread guide rod fixing screw, a handle, a thread feeding speed adjusting and accelerating button, a thread feeding speed adjusting and decelerating button, a thread feeding starting switch, a thread feeding closing switch, a conductive nozzle, a joint and a thread feeding hose, wherein the thread feeding rod fixing screw is installed on the thread guide rod, the right end fixedly connected with handle of the thread guide rod is provided with the thread feeding speed adjusting and accelerating button, the thread feeding speed adjusting and decelerating button, the thread feeding starting switch and the thread feeding closing switch on the handle respectively, the left end of the thread guide rod is provided with the conductive nozzle, the right end of the handle is provided with the joint, and the right end fixedly connected with of the joint.
Preferably, a clamping seat is arranged inside the power supply, a circuit board is clamped in the clamping seat, and a rear cover is installed on the back of the power supply through a screw.
Preferably, the surface contact of circuit board is connected with the heat conduction piece, the surface of heat conduction piece is provided with the heat dissipation sand grip, the heat conduction piece runs through the back lid.
Preferably, the heat conducting block and the heat dissipation convex strip are of an integrated structure and are made of a heat conducting silica gel material.
Preferably, the wire feeding speed adjusting and increasing button, the wire feeding speed adjusting and reducing button, the wire feeding starting switch and the wire feeding closing switch are respectively connected with the power supply through leads.
Preferably, the wire feeding hose is connected with the welding wire outlet port.
Preferably, the number of the clamping seats is two, and the two clamping seats are symmetrically distributed in the power supply.
Preferably, the number of the heat dissipation convex strips is multiple, and the heat dissipation convex strips are uniformly distributed on the surface of the heat conduction block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through designing the power supply, the wire feeding mechanism and the wire guiding device, the welding wire can be conveyed, automatic wire feeding is realized, and meanwhile, the operation process can be controlled in time through the wire feeding speed adjusting and accelerating button, the wire feeding speed adjusting and decelerating button, the wire feeding starting switch and the wire feeding closing switch on the wire guiding device, so that the condition that the wire feeding speed is too high or too low is avoided, and the efficient operation of welding work is effectively ensured.
2. According to the invention, the heat-conducting silica gel block is arranged on the circuit board in the power supply, and the heat-radiating convex strip is designed on the heat-conducting silica gel block, so that the excellent heat-conducting property of the heat-conducting silica gel material is utilized to radiate heat, dust cannot enter the power supply, a fan is not required to be adopted for heat radiation, and more energy is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the wire feeder of FIG. 1 in accordance with the present invention;
FIG. 3 is a side view of the wire feeder of FIG. 2 in accordance with the present invention;
FIG. 4 is a front view of the guidewire device of FIG. 1 of the present invention;
FIG. 5 is a top view of the guidewire device of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram of the wire feed controller circuit of the present invention;
fig. 7 is a partial cross-sectional view of the power supply of fig. 1 of the present invention.
In the figure: 1. a power source; 11. a card holder; 12. a circuit board; 13. a rear cover; 14. a heat conducting block; 15. heat dissipation convex strips; 2. a power line; 3. a wire feeder; 31. a wire feeding wheel; 32. a control line interface; 33. a welding wire outlet port; 4. a guidewire device; 41. a thread guide rod; 42. a screw is fixed by the screw feeding rod; 43. a handle; 44. a wire feeding speed adjusting and increasing button; 45. a wire feeding speed adjusting and reducing button; 46. a wire feed start switch; 47. a cut-off switch for the wire feed; 48. a contact tip; 49. a joint; 410. a wire feed hose.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, an auxiliary filament feeding device for manual tungsten argon arc welding filament comprises a power supply 1, which is a 0-24VDC adjustable power supply, the adjustable power supply adopts a singlechip pwM voltage regulation mode to perform PlD voltage regulation, i.e. speed regulation, on a filament feeding motor, the speed regulation range is 0-1500mm/min, the filament feeding speed is stable, a power cord 2 is inserted into the power supply 1, the other end of the power cord 2 is connected with a filament feeding mechanism 3, the filament feeding mechanism 3 is provided with a filament feeding wheel 31, a control cord interface 32 and a welding filament outlet interface 33, and the left side of the filament feeding mechanism 3 is connected with a filament guiding device 4;
the wire guiding device 4 comprises a wire guiding rod 41, a wire feeding rod fixing screw 42, a handle 43, a wire feeding speed adjusting and increasing button 44, a wire feeding speed adjusting and reducing button 45, a wire feeding starting switch 46, a wire feeding closing switch 47, a conductive nozzle 48, a joint 49 and a wire feeding hose 410, wherein the wire feeding rod fixing screw 42 is installed on the wire guiding rod 41, the handle 43 is fixedly connected with the right end of the wire guiding rod 41, the wire feeding speed adjusting and increasing button 44, the wire feeding speed adjusting and reducing button 45, the wire feeding starting switch 46 and the wire feeding closing switch 47 are respectively arranged on the handle 43, the preset wire feeding speed (5 groups of speed can be prestored) is displayed after the wire feeding controller is started, an operator can select the speed according to the welding requirement and can carry out the speed setting through a (+) (-) key on a power panel, the operator holds the wire feeding handle with a left, the forefinger is placed on the speed-down key, the middle finger is placed on the speed-up key, the left end of the godet rod 41 is provided with a conductive nozzle 48, the right end of the handle 43 is provided with a joint 49, and the right end of the joint 49 is fixedly connected with a wire feeding hose 410.
The wire feeding controller is installed in a control box by a Siemens 224CNPLC, a direct current motor driver and a +24V +10V switching power supply. Set up speed governing potentiometre, start stop switch, return silk switch on the control box panel, send and install 4 micro-gap switches on the silk handle: the start switch, the stop switch, the acceleration switch and the deceleration switch are connected into the control box through control lines, and reference can be made to fig. 6.
The working principle is as follows: by adopting one-key start-stop program design, after SM1 or SM2 is pressed, the PLC analog input takes a voltage value of 0-10V through a speed-regulating potentiometer, the corresponding voltage value is converted by the PLC and output by the analog, the duty ratio of a DC motor driver is controlled, and the speed of a wire feeding motor is adjusted. When the analog quantity voltage value is 0V, stopping the motor; when the analog quantity voltage value is 0-10V, the duty ratio of a direct current motor driver is in direct proportion to the PLC analog quantity output voltage value, and therefore the rotating speed of the wire feeding motor, namely the wire feeding speed, is controlled.
After the speed regulating potentiometer is set according to welding specifications, the wire feeding speed can be increased or decreased by 10MM/S according to the set speed by pressing an acceleration key and a deceleration key in the welding process, and the wire feeding speed returns to the set value after the acceleration key and the deceleration key are released.
After welding, the SM1 or SM2 is pressed again, and the program stops working. At the moment, a wire returning key can be pressed, PLCQ0.0 is switched on, the wire feeding motor is reversed according to the set speed of a PLC program (irrelevant to the set speed of a speed-regulating potentiometer), the welding wire is withdrawn, and the wire returning key is loosened.
Referring to fig. 7, a card holder 11 is disposed inside the power supply 1, a circuit board 12 is connected in the card holder 11 in a clamping manner, and a rear cover 13 is installed on the back of the power supply 1 through a screw. Through the design of cassette 11, conveniently install circuit board 12.
Referring to fig. 7, the surface of the circuit board 12 is connected to a heat conducting block 14 in a contact manner, a heat dissipating protruding strip 15 is disposed on the surface of the heat conducting block 14, and the heat conducting block 14 penetrates through the rear cover 13. The heat-conducting block 14 can absorb heat generated on the circuit board 12.
Referring to fig. 7, the heat-conducting block 14 and the heat-dissipating ribs 15 are an integral structure and are made of a heat-conducting silicone material. The heat conductive silicone rubber has excellent heat conductivity, and can conduct and dissipate heat on the circuit board 12.
Referring to fig. 1, 4 and 5, the wire feeding speed adjusting and increasing button 44, the wire feeding speed adjusting and decreasing button 45, the wire feeding start switch 46 and the wire feeding stop switch 47 are respectively connected to the power supply 1 through wires. Through designing a plurality of buttons, conveniently send a process to control.
Referring to fig. 1 and 3, the wire feeding hose 410 is connected to the wire outlet 33. The wire feed hose 410 is designed to deliver the wire.
Referring to fig. 7, the number of the card holders 11 is two, and the two card holders 11 are symmetrically distributed in the power supply 1. The circuit board 12 is conveniently limited by the design of the card seat 11.
Referring to fig. 7, the number of the heat dissipation ribs 15 is multiple, and the heat dissipation ribs 15 are uniformly distributed on the surface of the heat conduction block 14. Through the design of a plurality of heat dissipation convex strips 15, the heat dissipation area of the heat conduction block 14 is increased, and the heat dissipation effect is better.
The specific implementation process of the invention is as follows: during welding, the left hand holds the handle 43, the right hand holds the welding gun to strike an arc on a workpiece, after a molten pool is formed, the left hand presses the wire feeding starting switch 46 to uniformly feed wires for welding, when the welding is carried out at all positions and the gap of the welding seam changes, the left hand presses the wire feeding speed adjusting and reducing button 45 or the wire feeding speed adjusting and increasing button 44 to adjust the wire feeding speed, so that the welding wire can adjust the wire feeding speed and continuously feed the wire according to the requirements of welders during welding without pause, the wire feeding auxiliary device can keep the welding wire in the gas protection range of the welding gun all the time, the gas protection cover is not stirred during wire feeding, the welding quality of a welding seam can be improved, the wire feeding is stopped by pressing the wire feeding closing switch 47 with the left hand after a section of welding seam is welded, the using effect of the manual argon tungsten-arc welding auxiliary wire feeding device on a product is obvious, and a welder can operate skillfully after simple training; the during operation of power 1 can produce the heat, and the heat that circuit board 12 produced mainly, heat transfer to heat conduction piece 14, and heat conduction piece 14 can dispel the heat with the heat dissipation sand grip 15 of design, avoids circuit board 12 radiating effect poor lead to the high temperature, reduces the reliability, and in the dustless entering power 1, also need not the fan heat dissipation, it is more energy-conserving.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (8)

1. The utility model provides a supplementary wire drive feed unit of manual tungsten electrode argon arc welding filament, includes power (1), its characterized in that: a power line (2) is inserted into the power supply (1), the other end of the power line (2) is connected with a wire feeding mechanism (3), a wire feeding wheel (31), a control wire interface (32) and a welding wire outlet interface (33) are arranged on the wire feeding mechanism (3), and a wire guide device (4) is connected to the left side of the wire feeding mechanism (3);
the wire guiding device (4) comprises a wire guiding rod (41), a wire feeding rod fixing screw (42), a handle (43), a wire feeding speed adjusting and increasing button (44), a wire feeding speed adjusting and reducing button (45), a wire feeding starting switch (46), a wire feeding closing switch (47), a conductive nozzle (48), a joint (49) and a wire feeding hose (410), a screw rod fixing screw (42) is arranged on the thread guiding rod (41), a handle (43) is fixedly connected with the right end of the thread guiding rod (41), the handle (43) is respectively provided with a wire feeding speed adjusting and increasing button (44), a wire feeding speed adjusting and reducing button (45), a wire feeding starting switch (46) and a wire feeding closing switch (47), the left end of wire guide pole (41) is provided with contact tube (48), the right-hand member of handle (43) is provided with joint (49), the right-hand member fixedly connected with of joint (49) send a hose (410).
2. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 1, is characterized in that: the power supply is characterized in that a clamping seat (11) is arranged inside the power supply (1), a circuit board (12) is clamped in the clamping seat (11), and a rear cover (13) is installed on the back of the power supply (1) through a screw.
3. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 2, is characterized in that: the surface contact of circuit board (12) is connected with heat conduction piece (14), the surface of heat conduction piece (14) is provided with heat dissipation sand grip (15), heat conduction piece (14) run through back lid (13).
4. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 3, wherein: the heat conducting block (14) and the heat dissipation convex strips (15) are of an integrated structure and are made of heat conducting silica gel materials.
5. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 1, is characterized in that: the wire feeding speed adjusting and increasing button (44), the wire feeding speed adjusting and decreasing button (45), the wire feeding starting switch (46) and the wire feeding closing switch (47) are respectively connected with the power supply (1) through leads.
6. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 1, is characterized in that: the wire feeding hose (410) is connected with the welding wire outlet port (33).
7. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 2, is characterized in that: the number of the clamping seats (11) is two, and the two clamping seats (11) are symmetrically distributed in the power supply (1).
8. The auxiliary wire feeding device for the manual argon tungsten-arc welding of the thin wire according to claim 3, wherein: the number of the heat dissipation convex strips (15) is multiple, and the heat dissipation convex strips (15) are uniformly distributed on the surface of the heat conduction block (14).
CN202010872705.8A 2020-08-26 2020-08-26 Manual tungsten electrode argon arc welding filament auxiliary wire feeding device Pending CN112008202A (en)

Priority Applications (1)

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CN202010872705.8A CN112008202A (en) 2020-08-26 2020-08-26 Manual tungsten electrode argon arc welding filament auxiliary wire feeding device

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CN202010872705.8A CN112008202A (en) 2020-08-26 2020-08-26 Manual tungsten electrode argon arc welding filament auxiliary wire feeding device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719537A (en) * 2021-01-04 2021-04-30 东方电气集团东方锅炉股份有限公司 Automatic thin welding wire feeding manual tungsten electrode argon arc welding efficient welding combination device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2249651Y (en) * 1995-09-20 1997-03-19 宋武军 Wire feeder of welder with non-fusion electrodes
KR20160051358A (en) * 2014-11-03 2016-05-11 김영민 Tig welding wire feeding with controller
CN107511568A (en) * 2017-09-01 2017-12-26 南昌大学 A kind of TIG welds wire feed pen
CN207139075U (en) * 2017-06-15 2018-03-27 中国核工业第五建设有限公司 Automatic wire feeding device
CN108463306A (en) * 2015-11-17 2018-08-28 伊利诺斯工具制品有限公司 Wire-feed motor for welding
CN210537084U (en) * 2019-06-10 2020-05-15 甘肃工业职业技术学院 Anti-interference electronic instrument case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2249651Y (en) * 1995-09-20 1997-03-19 宋武军 Wire feeder of welder with non-fusion electrodes
KR20160051358A (en) * 2014-11-03 2016-05-11 김영민 Tig welding wire feeding with controller
CN108463306A (en) * 2015-11-17 2018-08-28 伊利诺斯工具制品有限公司 Wire-feed motor for welding
CN207139075U (en) * 2017-06-15 2018-03-27 中国核工业第五建设有限公司 Automatic wire feeding device
CN107511568A (en) * 2017-09-01 2017-12-26 南昌大学 A kind of TIG welds wire feed pen
CN210537084U (en) * 2019-06-10 2020-05-15 甘肃工业职业技术学院 Anti-interference electronic instrument case

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Title
聂国伦: "《自动控制原理与系统》", 31 August 2011, 北京:煤炭工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719537A (en) * 2021-01-04 2021-04-30 东方电气集团东方锅炉股份有限公司 Automatic thin welding wire feeding manual tungsten electrode argon arc welding efficient welding combination device and method

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Application publication date: 20201201