CN104801833B - Numerical control double-torch box house gas metal-arc welding connects special plane - Google Patents

Numerical control double-torch box house gas metal-arc welding connects special plane Download PDF

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Publication number
CN104801833B
CN104801833B CN201510234880.3A CN201510234880A CN104801833B CN 104801833 B CN104801833 B CN 104801833B CN 201510234880 A CN201510234880 A CN 201510234880A CN 104801833 B CN104801833 B CN 104801833B
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China
Prior art keywords
welding
welding torch
bearing
torch
wire
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CN201510234880.3A
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Chinese (zh)
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CN104801833A (en
Inventor
于善红
刘贻君
赵斌峰
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Weihai Chuansen Thermal Equipment Co., Ltd.
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WEIHAI CREDIT THERMAL ENERGY EQUIPMENT CO Ltd
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Priority to CN201510234880.3A priority Critical patent/CN104801833B/en
Publication of CN104801833A publication Critical patent/CN104801833A/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
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/173Arc welding or cutting making use of shielding gas and of a 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
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0294Transport carriages or vehicles
    • 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
    • B23K9/095Monitoring or automatic control of welding parameters
    • B23K9/0953Monitoring or automatic control of welding parameters using computing means
    • 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
    • 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
    • B23K9/124Circuits or methods for feeding welding wire
    • 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
    • B23K9/173Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B23K9/1735Arc welding or cutting making use of shielding gas and of a consumable electrode making use of several electrodes
    • 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
    • B23K9/24Features related to electrodes
    • B23K9/28Supporting devices for electrodes
    • 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
    • B23K9/24Features related to electrodes
    • B23K9/28Supporting devices for electrodes
    • B23K9/287Supporting devices for electrode holders
    • 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
    • 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
    • B23K9/321Protecting means
    • 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
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/12Vessels

Abstract

The invention discloses a kind of numerical control double-torch box house gas metal-arc welding connects special plane,Including the source of welding current、Source of the gas and wire-feed motor,It is characterized in that chassis upper end center has column,Upper end is respectively provided on two sides with welding torch bearing,Lower end is provided with driving means and roller,Roller is through wheel shaft、Axle support is connected with chassis,Two-way leading screw and horizontal sliding bar are connected with described column,Two-way leading screw two ends are connected with welding torch bearing respectively,Tensioning spring is cased with respectively on horizontal sliding bar,Horizontal sliding bar two ends are connected with welding torch bearing respectively,Tensioning spring one end is inconsistent with welding torch bearing,The other end is inconsistent with column,Welding torch bearing upper end is provided with welding torch handle,Welding torch handle front end connects connecting rod,Rear end connects snorkel,Snorkel is connected with source of the gas,Welding torch handle rear portion is connected with electrode holder line,Connecting rod front end connects ignition tip,Ignition tip is connected with the source of welding current,There is structure novel、Easy to operate、Welding quality is high、High working efficiency、The low advantage of labor intensity.

Description

Numerical control double-torch box house gas metal-arc welding connects special plane
Technical field
The present invention relates to technical field of welding equipment, specifically one kind can be simultaneously right inside square-box-shaped structure Article two, weld seam carries out welding and realizes the numerical control double-torch box house gas metal-arc welding of Digital Control and connect special plane.
Background technology
At present, by square-box-shaped structure member or the pressure-containing member of board making, it is all to be attached by the way of welding. Due to the limitation of square box structure, what welding typically adopted has two ways:
First kind of way, when casing sectional dimension is larger, can pierce box house by weld job personnel and be welded, Then the two-sided Welding being welded in outside again.Adopt in this way, there is some problem when box inside welds:The One, because inner space limits, workman cannot freely put to good use in casing, and work difficulty is big, easily fatigue, and inefficiency; Second, box house light difference, welding quality cannot ensure;3rd, divulge information in box house narrow space not smooth, welding The flue dust producing leads to working environment severe it is also possible to cause the event of personnel's poisoning.
The second way, does not enter box house and is welded, and only adopts the Welder of single face welding and double face shaping in outside Skill.This mode due to being single face welding and double face shaping, then requires the necessary molding in the backing weld seam back side good, the group confrontation to casing Amount has high demands, and needs operating personnel to have high operant skill.When adopting in this way, solder yield is low, the weldering of prime coat Connect efficiency low;And due to being single welding, bevel for welding is big, and welding job amount is big, and malformation is big, and total quality is poor.
Both the above method once all can only weld a weld seam, and welding efficiency is low;Welding process all by having been manually done, Requirement has high-caliber operator, and cost of labor is high, and welding quality is affected greatly by workman's working condition, and stability is poor.
Content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is novel, easy to operate, welding matter The low numerical control double-torch box house gas metal-arc welding of amount height, high working efficiency, labor intensity connects special plane.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of numerical control double-torch box house gas metal-arc welding connects special plane, including the source of welding current, source of the gas and wire feed It is characterised in that being provided with support walking mechanism, described support walking mechanism includes chassis, roller, wheel shaft, driving means, weldering to machine Torch bearing, welding torch handle, ignition tip, connecting rod, snorkel, wire-feeding pipe, electrode holder line, welding torch pressing plate and control system, on described chassis End is respectively provided on two sides with welding torch bearing, and lower end is provided with driving means and roller, and described roller is through wheel shaft, axle support and chassis phase Connect, described wheel shaft drives through driving means, described driving means drive through control system, and described welding torch bearing upper end is provided with weldering Torch handle, described welding torch handle is the siphunculus of hollow, and described welding torch handle front end connects the connecting rod of a hollow, and rear end connects snorkel, institute State snorkel to be connected with source of the gas, described welding torch handle rear portion is connected with electrode holder line, described connecting rod front end connects the ignition tip of hollow, Described ignition tip is connected with the source of welding current, and the ignition tip side on described connecting rod is provided with the injection well for outwards supplying gas, institute State the gas outlet that the snorkel other end connects wire-feed motor, in described snorkel, be installed with wire-feeding pipe, described wire-feeding pipe one end passes through weldering Torch handle is connected with ignition tip with connecting rod, and the other end is connected with wire-feed motor, is beneficial to by welding torch handle and connecting rod forward end Ignition tip is powered, and when soldered, is driven by control system, the source of welding current is powered to ignition tip, and meanwhile, wire-feed motor starts to send Silk, snorkel starts to supply gas, and welding wire passes through powered after the ignition tip of energising, and connects that to form burning after the absorption surface of bottom line electric Arc, gas is discharged by connecting rod, and air-flow is sent to molten bath, thus realizing welding action.
The present invention can be fixed with column in described chassis upper end center, and described column is connected with horizontal sliding bar, described vertical It is cased with tensioning spring respectively, described horizontal sliding bar two ends are connected with welding torch bearing sliding respectively, institute on the horizontal sliding bar of post both sides State tensioning spring one end inconsistent with welding torch bearing, the other end is inconsistent with column, be beneficial between two welding torch bearings of adjustment Distance change, simultaneously moreover it is possible to ensure that welding torch bearing is not having the constant position under external force effect by tensioning spring, described two Outside welding torch bearing 7, level is provided with bearing spider respectively, and described welding torch carrier exterior level is provided with spring bearing, and described bearing props up Seat one end is fixedly connected with welding torch bearing, and the other end is fixedly connected with spring bearing through fulcrum, is beneficial to and is carrying out weld job When, by the tension of tensioning spring, welding torch bearing phase both sides are promoted, so that spring bearing is closely connect with square chest inwall all the time Touch, meanwhile, by two-way leading screw and ball screw, when spring bearing is under the counteracting force of square chest inwall, drive welding torch bearing The spacing of two heads of front end occurs during small range change it is ensured that welding torch can be remained not with the relative position of weld seam Become, greatly improve welding precision.
The present invention can be provided with two-way leading screw above horizontal sliding bar, and described two-way leading screw is paralleled with horizontal sliding bar, to protect Two welding torch bearing relative levels of card move, and are fixedly connected with column through bearing, one end is through pearl of rolling left in the middle part of described two-way leading screw Screw is fixedly connected with a welding torch bearing, and the other end is fixedly connected with another welding torch bearing through right ball screw, described pearl of rolling left Screw and right ball screw are reverse each other, are beneficial to and are accurately transported with the relative of ball screw by horizontal sliding bar and two-way leading screw Dynamic, make spring bearing under the counteracting force of square chest inwall, drive the spacing of two ignition tips of welding torch bearing front end to occur little It is ensured that welding torch can remain constant with the relative position of weld seam during range, further increase welding precision.
The present invention can be provided with gas shield cover in described connecting rod front end, so that the gas that snorkel is sent passes through gas shield Cover forms uniform air-flow and is sent to molten bath, forms gas blanket, thus substantially increasing welding quality outside molten bath.
Welding torch handle of the present invention be from rear end forward end be gradually deviated from horizontal line curved downwards and simultaneously to chassis Outside extends in certain camber, so that the ignition tip of welding torch handle front end can directly be directed at the weld seam of square chest to be welded, reaches convenient weldering The effect connecing.
The present invention can be provided with thread segment in described connecting rod outer wall, and described gas shield cover is through thread segment with connecting rod screw thread even Connect, to reach effect easy for installation.
Driving means of the present invention are made up of servomotor, transmission belt and drive, and described transmission belt one end is through master Driving wheel is fixedly connected with the output shaft of servomotor, and the other end is fixedly connected with wheel shaft through driven pulley, described servomotor and control System processed is wanted to connect, and is beneficial to by control system, automatically controls servomotor operating, and then makes welding driving means in square chest Interior automatic welding, greatly reduces the labor intensity of weld job personnel and body is subject to the extent of injury, also reduces welding simultaneously Operating cost, improves welding quality and work efficiency.
Control system of the present invention is made up of control circuit board, guidance panel and control chamber, described control circuit board It is integrated in control chamber, described control chamber is provided with guidance panel, described control circuit board is provided with CPU microprocessor, power supply Module, the on off control module of the source of welding current, the wire feed control module of wire-feed motor, the travelling control module of driving means, welding The arcing control module of electric arc and blow-out control module, described guidance panel is provided with display screen, power supply start button, electricity Source stop button, power supply scram button, servomotor advance inching button and servomotor retreat inching button, described welding electricity The on off control module in source, the wire feed control module of wire-feed motor, the travelling control module of driving means, the arcing control of welding arc Molding block is connected with CPU microprocessor, power module and guidance panel respectively with blow-out control module, is beneficial to by controlling Guidance panel on case is operated, and controls the servomotor of welding driving means and the arcing of welding arc and blow-out;And The display screen being provided with by guidance panel, the state of real-time display system and various parameters, by " opening on guidance panel Beginning ", " stopping " and " jerk " button, cut when beginning, stopping and the urgent abnormal conditions of appearance to control weld job immediately Disconnected system power supply, by the inching button of the both direction on guidance panel, can be supported walking mechanism in fusion length side The point operation control that moves forward and backward upwards, is carried out editor and the modification operation of operation sequence, and leads to by guidance panel also cocoa Cross control system to control the forward and backward of servomotor and rotate the number of turns, thus automatically controlling operation machine in fusion length direction On move forward and backward walking and walking speed.
The present invention due to adopting said structure, has that structure is novel, easy to operate, welding quality is high, high working efficiency, labor The low advantage of fatigue resistance.
Brief description
Fig. 1 is the structural representation of the present invention.
Reference:The source of welding current 1, control system 2, wire-feed motor 3 chassis 4, roller 5, wheel shaft 6, driving means, welding torch prop up Seat 7,24, spring bearing 8, welding torch handle 9, gas shield cover 10, ignition tip 11, connecting rod 12, snorkel 13, wire-feeding pipe 14, electrode holder Line 15, column 16, two-way leading screw 17, horizontal sliding bar 18, tensioning spring 19, welding torch pressing plate 20, fulcrum 21, driving means 22, axle Hold bearing 23.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings:
As shown in drawings, a kind of numerical control double-torch box house gas metal-arc welding connects special plane, including the source of welding current 1st, it is characterised in that being provided with support walking mechanism, described support walking mechanism includes chassis 4, roller 5, wheel for source of the gas and wire-feed motor 3 Axle 6, driving means, welding torch bearing 7, welding torch handle 9, ignition tip 11, connecting rod 12, snorkel 13, wire-feeding pipe 14, electrode holder line 15, weldering Torch pressing plate 20 and control system 2, described chassis 4 upper end is respectively provided on two sides with welding torch bearing 7, and lower end is provided with driving means 22 and rolling Wheel 5, described roller 5 is connected with chassis 4 through wheel shaft, axle support, and described wheel shaft drives through driving means, described driving means Drive through control system, described welding torch bearing 7 upper end is provided with welding torch handle 9, described welding torch handle 9 is the siphunculus of hollow, described welding torch Handle 9 front end connects the connecting rod 12 of a hollow, and rear end connects snorkel 13, and described snorkel 13 is connected with source of the gas, described welding torch Handle 9 rear portion is connected with electrode holder line 15, and described connecting rod 12 front end connects ignition tip 11, described ignition tip 11 and the source of welding current of hollow 1 is connected, and ignition tip 11 side on described connecting rod 12 is provided with the injection well for outwards supplying gas, described snorkel 13 other end Connect the gas outlet of wire-feed motor 3, in described snorkel 13, be installed with wire-feeding pipe 14, described wire-feeding pipe 14 one end passes through welding torch handle 9 He Connecting rod 12 is connected with ignition tip 11, and the other end is connected with wire-feed motor 3, is beneficial to by welding torch handle 9 and connecting rod 12 forward end Ignition tip 11 power, when soldered, driven by control system, the source of welding current is powered to ignition tip 11, meanwhile, wire-feed motor 3 Start wire feed, snorkel 13 starts to supply gas, welding wire is powered after the ignition tip 11 by energising, after the absorption surface of connection bottom line Form burning arc, gas is discharged by connecting rod 12, and air-flow is sent to molten bath, thus realizing welding action.
The present invention can be fixed with column 16 in described chassis 4 upper end center, and described column 16 is connected with horizontal sliding bar 18, Tensioning spring 19 is cased with respectively on the horizontal sliding bar of described column 16 both sides, described horizontal sliding bar 18 two ends respectively with welding torch bearing 7 are slidably connected, and described tensioning spring 19 one end is inconsistent with welding torch bearing 7, and the other end is inconsistent with column 16, is beneficial to adjustment Distance change between two welding torch bearings 7, simultaneously moreover it is possible to ensure that welding torch bearing 7 is not having external force to act on by tensioning spring 19 Under constant position, outside described two welding torch bearings 7, level is provided with bearing spider 23, described welding torch bearing 7 external water respectively Put down and be provided with spring bearing 8, described bearing spider 23 one end is fixedly connected with welding torch bearing 7, and the other end is through fulcrum 21 and support shaft Hold 8 to be fixedly connected, be beneficial to when carrying out weld job, by the tension of tensioning spring 19 to welding torch bearing 7 to both sides Promote, so that spring bearing 8 is in close contact with square chest inwall all the time, meanwhile, by two-way leading screw 17 and ball screw, work as support shaft When there is small range change in 22 spacing holding two heads driving welding torch bearing 7 front end under the counteracting force of square chest inwall, Ensure that welding torch can remain constant with the relative position of weld seam, greatly improve welding precision.
The present invention can be provided with two-way leading screw 17 above horizontal sliding bar 18, and described two-way leading screw 17 is equal with horizontal sliding bar 18 OK, moved with ensureing two welding torch bearing 7 relative levels, be fixedly connected with column 16 through bearing in the middle part of described two-way leading screw 17, One end is fixedly connected with a welding torch bearing 7 through left ball screw, and the other end is fixing with another welding torch bearing 24 through right ball screw Connect, described left ball screw and right ball screw are reverse each other, are beneficial to by horizontal sliding bar 18 and two-way leading screw 17 He Left ball screw, the relative precise motion of right ball screw, make spring bearing 8 under the counteracting force of square chest inwall, drive weldering Torch bearing 7, the spacing of two ignition tips 11 of 24 front ends occur during small range change it is ensured that welding torch can be with the relative position of weld seam Put and remain constant, further increase welding precision.
The present invention can be provided with gas shield cover 10 in described connecting rod 12 front end, so that the gas that snorkel 13 is sent passes through gas Body protective cover 10 forms uniform air-flow and is sent to molten bath, forms gas blanket, thus substantially increasing welding outside molten bath Quality.
Welding torch handle 9 of the present invention be from rear end forward end be gradually deviated from horizontal line curved downwards and simultaneously to chassis 4 Outside be in that certain camber extends so that the ignition tip of welding torch handle front end can directly be directed at the weld seam of square chest to be welded, reach conveniently The effect of welding.
The present invention can be provided with thread segment in described connecting rod 12 outer wall, and described gas shield cover is through thread segment with connecting rod screw thread even Connect, to reach effect easy for installation.
Driving means 22 of the present invention are made up of servomotor, transmission belt and drive, described transmission belt one end warp Drivewheel is fixedly connected with the output shaft of servomotor, and the other end is fixedly connected with wheel shaft through driven pulley, described servomotor with Control system is wanted to connect, and is beneficial to by control system, automatically controls servomotor operating, and then makes welding driving means in side Automatic welding in case, greatly reduces the labor intensity of weld job personnel and body is subject to the extent of injury, also reduces weldering simultaneously Connect operating cost, improve welding quality and work efficiency.
Control system 2 of the present invention is made up of control circuit board, guidance panel and control chamber, described control circuit board It is integrated in control chamber, described control chamber is provided with guidance panel, described control circuit board is provided with CPU microprocessor, power supply Module, the on off control module of the source of welding current, the wire feed control module of wire-feed motor, the travelling control module of driving means, welding The arcing control module of electric arc and blow-out control module, described guidance panel is provided with display screen, power supply start button, electricity Source stop button, power supply scram button, servomotor advance inching button and servomotor retreat inching button, described welding electricity The on off control module in source, the wire feed control module of wire-feed motor, the travelling control module of driving means, the arcing control of welding arc Molding block is connected with CPU microprocessor, power module and guidance panel respectively with blow-out control module, is beneficial to by controlling Guidance panel on case is operated, and controls the servomotor of welding driving means and the arcing of welding arc and blow-out;And The display screen being provided with by guidance panel, the state of real-time display system and various parameters, by " opening on guidance panel Beginning ", " stopping " and " jerk " button, cut when beginning, stopping and the urgent abnormal conditions of appearance to control weld job immediately Disconnected system power supply, by the inching button of the both direction on guidance panel, can be supported walking mechanism in fusion length side The point operation control that moves forward and backward upwards, is carried out editor and the modification operation of operation sequence, and leads to by guidance panel also cocoa Cross control system to control the forward and backward of servomotor and rotate the number of turns, thus automatically controlling operation machine in fusion length direction On move forward and backward walking and walking speed.
The present invention, in welding, will support walking mechanism to push square-box-shaped inside configuration, adjusts welding torch angle and welding torch With the relative position treating welding line in square-box-shaped structure, the control line access control system of wire-feed motor 3 and the source of welding current 1 connects The logical source of welding current 1 and source of the gas, regulate the row of welding current, voltage and walking structure on the guidance panel of control system 2 After walking speed, the initiating key on push panel is welded, and under the instruction of control system 2, supports walking mechanism in side Automatically walk welding in box-structure, the source of welding current 1 is powered to ignition tip 11, and meanwhile, wire-feed motor 3 starts wire feed, snorkel 13 Start to supply gas, welding wire pass through energising ignition tip 11 after powered, with connect bottom line absorption surface after formed burning arc, gas Being discharged by connecting rod 12, air-flow is sent to molten bath, thus realizing welding action, in the walking process of welding, supporting row Walk mechanism by the tension of tensioning spring 19, welding torch bearing 7 to be promoted to both sides, so that spring bearing 8 is tied with square-box-shaped all the time Structure inwall is in close contact, and can carry out weld job to two weld seams, in square-box-shaped structure when between square-box-shaped inner structural wall simultaneously Away from when there are minor variations, two welding torch bearings 7 are promoted relatively or contrarily to move by spring bearing 8, two welding torch bearings 7 will Axial thrust passes to the ball screw at two-way leading screw 17 two ends, and ball screw orders about two-way leading screw 17 rotation fortune by axial force Dynamic, and then drive the spacing of two ignition tips of welding torch bearing 7 front end that small range change occurs, make welding torch in square-box-shaped structure On width, the relative position of welding torch and weld seam is voluntarily adjusted, overcome and manually cannot be introduced in square chest operation or internally The big difficult point of task difficulty, it is achieved that the do mechanization operation of gas metal-arc welding, solves manual work quality unstable Substantial technical problem, can remain constant with the relative position of weld seam, not only greatly reduce labor intensity, and Also greatly improve welding precision.
The present invention overcomes artificial due to using said structure it is achieved that the do mechanization operation of gas metal-arc welding Cannot be introduced into square-box-shaped inside configuration operation or the internally big substantive defect of task difficulty, solve manual work quality not Stable problem, weakens the dependency to workman's technology for the welding quality, reduces labor intensity and the body danger of operator Evil degree, has that structure is novel, easy to operate, welding quality is high, the low advantage of high working efficiency, labor intensity.

Claims (8)

1. a kind of numerical control double-torch box house gas metal-arc welding connects special plane, including the source of welding current, source of the gas and wire-feed motor, It is characterized in that being provided with support walking mechanism, described support walking mechanism includes chassis, roller, wheel shaft, driving means, welding torch prop up Seat, welding torch handle, ignition tip, connecting rod, snorkel, wire-feeding pipe, electrode holder line, welding torch pressing plate and control system, described chassis upper end two Side is respectively equipped with welding torch bearing, and lower end is provided with driving means and roller, and described roller is connected with chassis through wheel shaft, axle support Connect, described wheel shaft drives through driving means, described driving means drive through control system, and described welding torch bearing upper end is provided with welding torch Handle, described welding torch handle is the siphunculus of hollow, and described welding torch handle front end connects the connecting rod of a hollow, and rear end connects snorkel, described Snorkel is connected with source of the gas, and described welding torch handle rear portion is connected with electrode holder line, and described connecting rod front end connects the ignition tip of hollow, institute State ignition tip to be connected with the source of welding current, the ignition tip side on described connecting rod is provided with the injection well for outwards supplying gas, described The snorkel other end connects the gas outlet of wire-feed motor, is installed with wire-feeding pipe in described snorkel, and described wire-feeding pipe one end passes through welding torch Handle is connected with ignition tip with connecting rod, and the other end is connected with wire-feed motor.
2. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature It is that described chassis upper end center is fixed with column, described column is connected with horizontal sliding bar, the level of described column both sides is slided It is cased with tensioning spring respectively, described horizontal sliding bar two ends are connected with welding torch bearing sliding respectively, described tensioning spring one end on bar Inconsistent with welding torch bearing, the other end is inconsistent with column, and level is provided with bearing spider to described two welding torch support outers respectively, Described welding torch carrier exterior level is provided with spring bearing, and described bearing spider one end is fixedly connected with welding torch bearing, other end warp Fulcrum is fixedly connected with spring bearing.
3. a kind of numerical control double-torch box house gas metal-arc welding according to claim 2 connects special plane, its feature It is above described horizontal sliding bar to be provided with two-way leading screw, described two-way leading screw is paralleled with horizontal sliding bar, in described two-way leading screw Portion is fixedly connected with column through bearing, and one end is fixedly connected with a welding torch bearing through left ball screw, and the other end is through right ball wire Female and another welding torch bearing is fixedly connected, and described left ball screw is reverse each other with right ball screw.
4. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature It is that described connecting rod front end is provided with gas shield cover.
5. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature Be described welding torch handle be from rear end forward end be gradually deviated from horizontal line curved downwards and simultaneously to the outside on chassis be in necessarily Camber extends.
6. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature It is that described connecting rod outer wall is provided with thread segment, described gas shield cover is threadeded with connecting rod through thread segment.
7. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature It is that described driving means are made up of servomotor, transmission belt and drive, described transmission belt one end is through drivewheel and servo The output shaft of motor is fixedly connected, and the other end is fixedly connected with wheel shaft through driven pulley, and described servomotor and control system are thought even Connect.
8. a kind of numerical control double-torch box house gas metal-arc welding according to claim 1 connects special plane, its feature It is that described control system is made up of control circuit board, guidance panel and control chamber, described control circuit board is integrated in control In case, described control chamber is provided with guidance panel, and described control circuit board is provided with CPU microprocessor, power module, welding electricity The on off control module in source, the wire feed control module of wire-feed motor, the travelling control module of driving means, the arcing control of welding arc Molding block and blow-out control module, described guidance panel is provided with display screen, power supply start button, power supply stop button, power supply Scram button, servomotor advance inching button and servomotor retreat inching button, the on off control mould of the described source of welding current Block, the wire feed control module of wire-feed motor, the travelling control module of driving means, the arcing control module of welding arc and blow-out control Molding block is connected with CPU microprocessor, power module and guidance panel respectively.
CN201510234880.3A 2015-05-11 2015-05-11 Numerical control double-torch box house gas metal-arc welding connects special plane Active CN104801833B (en)

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CN202212675U (en) * 2011-07-29 2012-05-09 沈阳远大铝业工程有限公司 Automatic welding adjusting device with double guns for carbon dioxide gas shielded welding
CN202622149U (en) * 2012-07-13 2012-12-26 安徽富煌钢构股份有限公司 Railless walking submerged-arc welding trolley
CN203738205U (en) * 2014-03-05 2014-07-30 罗建坤 Welding travelling mechanism
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Address after: 264200 No. 201 Shanhai Road, Chucun Town, Torch High-tech Industrial Development Zone, Weihai City, Shandong Province

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Patentee before: Weihai Credit Thermal Energy Equipment Co., Ltd.