CN108672894A - A kind of automatic welding machine - Google Patents

A kind of automatic welding machine Download PDF

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Publication number
CN108672894A
CN108672894A CN201810961660.4A CN201810961660A CN108672894A CN 108672894 A CN108672894 A CN 108672894A CN 201810961660 A CN201810961660 A CN 201810961660A CN 108672894 A CN108672894 A CN 108672894A
Authority
CN
China
Prior art keywords
welding
gun
weld
welding gun
tractor
Prior art date
Application number
CN201810961660.4A
Other languages
Chinese (zh)
Inventor
庞井江
Original Assignee
辽宁广厦钢结构工程(集团)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 辽宁广厦钢结构工程(集团)有限公司 filed Critical 辽宁广厦钢结构工程(集团)有限公司
Priority to CN201810961660.4A priority Critical patent/CN108672894A/en
Publication of CN108672894A publication Critical patent/CN108672894A/en

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Classifications

    • 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
    • B23K9/127Means for tracking lines during arc welding or cutting
    • B23K9/1272Geometry oriented, e.g. beam optical trading
    • B23K9/1274Using non-contact, optical means, e.g. laser 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
    • B23K9/133Means for feeding electrodes, e.g. drums, rolls, motors
    • B23K9/1336Driving 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
    • B23K9/32Accessories
    • B23K9/325Devices for supplying or evacuating shielding gas

Abstract

This application involves welding for steel structure technical field more particularly to a kind of automatic welding machines.Automatic welding machine provided herein includes workpiece rest area;Welding tractor, including car body, welding tractor moving assembly and adjusting part;Welding gun, the probe of the welding gun is towards the workpiece rest area;Weld seam scanning detection apparatus collects the welding data of workpiece weld seam;Control system gets the welding data, and sends out drive signal to welding gun driving motor according to the welding data;Welding gun driving motor receives the drive signal, and drives the welding gun along weld movement to weld according to the drive signal.Automatic welding machine provided herein saves manually, avoid human weld exist the welding caused by the human factors such as tired, absent minded is wrong, appearance of weld unsightly, welding job quality is not only increased, welding efficiency is also improved, improves production capacity.

Description

A kind of automatic welding machine
Technical field
This application involves welding for steel structure technical field more particularly to a kind of automatic welding machines.
Background technology
Currently, in the welding of steel construction parts, Steel section member is more, and the identical the number of components of the same race of position while welding also compares More, this higher work of repeatability is more suitable for intelligent automation operation to complete, and nowadays compared to manual operation Skilled worker personnel wages it is also higher and higher, while human weld exist by the human factors such as tired, absent minded Caused welding mistake, appearance of weld unsightly situations such as, and the working efficiency of human weld is also general, and production capacity is also poor.
Invention content
This application provides a kind of automatic welding machine, to solve the problems, such as human weld's work quality and inefficient.
The application's provides a kind of automatic welding machine, including:
Workpiece rest area;
The welding tractor being arranged side by side with the workpiece rest area, including car body, the welding tractor movement for being set to the vehicle bottom Component, the adjusting part for being installed on the vehicle body upper portion;
It is held on the welding gun of the adjusting part, the probe of the welding gun is towards the workpiece rest area;
The weld seam scanning detection apparatus being installed in front of the welding gun, collects the welding data of workpiece weld seam;
The control system being electrically connected with the weld seam scanning detection apparatus, gets the welding data, and according to described Welding data sends out drive signal to welding gun driving motor;
The welding gun driving motor being electrically connected with the control system, receives the drive signal, and according to described Drive signal drives the welding gun along weld movement to weld.
Workpiece to be welded is positioned over workpiece rest area, is installed on welding gun by automatic welding machine provided herein The weld seam scanning detection apparatus in front carries out weld seam Scanning Detction to it, the weld seam scanning detection apparatus by collected transverse direction away from Welding data from data and fore-and-aft distance data passes to control system, the control system by after processing by specific welding gun The drive signal of lateral stepping data and welding gun longitudinal direction stepping data is sent to welding gun driving motor, and welding gun driving motor is before The drive signal driving welding gun stated carries out said workpiece weld seam the welding job of lateral step motion and longitudinal step motion, from And it realizes intelligent automation and welds;After weld seam welding forming at one, welding tractor drives welding gun to be moved to by welding tractor moving assembly Next place's weld seam continues to repeat welding process above-mentioned, which can also adjust the position of welding gun with reality by its adjusting part Now the weld seam of workpiece different location is welded.Compared with prior art, automatic welding machine provided herein passes through Intelligent automatic control welding gun welds workpiece weld seam, which save a large amount of artificial, avoid human weld exist by fatigue, Welding mistake, appearance of weld caused by the human factors such as absent minded unsightly, not only increase weldering Work quality is connect, welding efficiency is also improved, improves production capacity.
Further, the adjusting part includes the first longitudinal direction lifting for the vehicle body upper portion for being vertically arranged at the welding tractor Bar, with first longitudinal direction elevating lever transversal stretching bar connected vertically and be vertically arranged to the transversal stretching bar close to described The second longitudinal direction elevating lever of workpiece rest area one end;One end of the second longitudinal direction elevating lever is clamped with the welding gun;
The driving portion of the first longitudinal direction elevating lever, the transversal stretching bar and the second longitudinal direction elevating lever and the control System electrical connection processed.
The position of welding gun can be arbitrarily adjusted by adjusting aforementioned three's adjusting rod, is accurately moved to welding gun to be welded At the position while welding connect, the first longitudinal direction elevating lever, the transversal stretching bar and the second longitudinal direction elevating lever driving portion It is electrically connected with the control system, intelligent automation control may be implemented, it is artificial to save, cost is saved money, can also be kept away Exempt from the influence of human factor.
Further, the welding gun includes that the body of a gun and one end are held on the body of a gun other end and are connected to the adjusting part Adjustable clamping device;
The adjustable clamping device includes being arranged the fastener for being held on the body of a gun, the appearance of one end and the fastener Extensible member that face is fixedly connected, the rotary part for being rotationally connected with the extensible member;
The driving portion of the adjustable clamping device is electrically connected to the welding gun driving motor.
This is adjustable, and clamping device can drive the welding gun to be moved forward and backward and rotate, and accurate position while welding is realized more attractive Appearance of weld, the case where being further reduced and appearance of weld is avoided to slip up.
Further, the rotary part includes the front and back rotary part being connected with each other and rotates left and right component, described The rotation angle range of front and back rotary part is 45 degree of -80 degree, and the rotating range for rotating left and right component is 0 degree of -360 degree.
This rotary part can drive the welding gun realize multi-directional rotation, can more accurately determine weld seam position and Aforesaid welded seam scanning detection apparatus is driven more accurately to measure weld data, welding gun is achieved more perfect appearance of weld, into The case where one step reduces and appearance of weld is avoided to slip up.
Further, the welding tractor moving assembly includes driving wheel and rolls the moving track of connection with the driving wheel.
The moving track can accurately drive welding tractor car body to be moved on specified motion track, reduce other influences because The influence that element calculates the welding of intelligent weld seam, is reduced or avoided the generation of the incidents such as error.
Further, the speed adjusting gear being electrically connected with the control system, the tune are provided in the welding tractor car body Fast mechanism is electrically connected with the driving wheel.
Can be controlled in this way by control system the speed adjusting gear to welding tractor carry out speed governing, to it is freer arbitrarily, conveniently Control welding tractor movement speed, facilitate the various situations of reply, cope with emergency case calmly.
Further, the automatic welding machine further includes being set to the workpiece rest area close to the welding gun side Bar shaped limited block, length direction is parallel with the moving track.
The bar shaped limited block can limit the position for the workpiece for being positioned over workpiece rest area, and welding tractor is made to drive welding gun opposite It moves in parallel in workpiece, is placed with workpiece when being scanned with the position while welding of accurate scanning workpiece and oscillatory scanning device lateral Direction is parallel, with reduce measure error etc. incidents generation, and then ensure aforesaid welded seam scanning detection apparatus collect compared with Accurate weld data, and further ensure that welding gun driving motor accurately controls welding gun probe and implements welding.
Further, the weld seam scanning detection apparatus includes oscillatory scanning device and laser seam sensor, described to swash It includes CCD camera and semiconductor laser that flush weld, which stitches sensor,.
Laser stripe is projected to the workpiece outside sensor as structure light source, with scheduled angle by the semiconductor laser Surface, the CCD camera directly to observe the laser stripe outside sensor on workpiece, filter by the optics of the CCD camera front Mating plate allows laser to pass through, while filtering off all other light, such as welding arc, to which the CCD camera can will be calibrated True weld information collects, and is transferred to control system, improves the accuracy of collected weld data.
The further automatic welding machine further includes being set to the car body of the welding tractor close to the side of the welding gun Thermal insulation board.
When welding gun carries out welding job, with the growth of working time, surrounding temperature will increase.And welding tractor with The growth of working time, the raising temperature that all kinds of driving motors of vehicle body also can be more or less is leaned in welding tractor car body Thermal insulation board is installed in the side of nearly welding gun, can make to be not delivered to welding tractor here due to the heat generated when welding gun works, to anti- The heat generated when only welding gun works influences the work of welding tractor, or even aggravates the high-temperature load of welding tractor car body, and then prevents from welding The case where reduction of vehicle working efficiency or even interruption of work, occurs, and extends the service life of welding tractor.
Further, the automatic welding machine further includes being set to the weld fumes in the welding tractor overhead to wash comb, institute It states weld fumes and washes comb one end and be connected on the framed bent for being fixed on ground.
The weld fumes washes comb for absorbing the pollutants such as the flue dust generated in the automatic welding machine course of work, with net Change air, build good welding surroundings, reduces pollution, environmentally protective, the health of safeguard work personnel.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited Application.
Description of the drawings
The structural schematic diagram for the automatic welding machine that Fig. 1 is provided by the embodiment of the present application;
The vertical view on the welding tractor top that Fig. 2 is provided by the embodiment of the present application;
The structural schematic diagram for the welding tractor that Fig. 3 is provided by the embodiment of the present application;
The structural schematic diagram for the welding gun that Fig. 4 is provided by the embodiment of the present application;
The part-structure schematic diagram for the adjusting part that Fig. 5 is provided by the embodiment of the present application;
The structural schematic diagram for the welding tractor vehicle body that Fig. 6 is provided by the embodiment of the present application.
Reference numeral:
1- automatic welding machines;
10- workpiece rest area;
11- limited blocks;
20- welding guns;
21- pops one's head in;
The 22- straight-bar body of a guies;
23- welding torch cables;
24- is adjustable clamping device;
Rotary part before and after 241-;
242- rotates left and right component;
The traversing components of 243-;
2431- traversing handwheels manually;
244- extensible members;
2451- hand-operated lifting handwheels;
25- screws;
30- welding tractors;
31- car bodies;
321- driving wheels;
322- moving tracks;
33- moves regulating system;
331- first longitudinal direction elevating levers;
3311- first lifts drive rack;
3312- first lifts driving motor;
3313- first manuals adjust lifting handwheel;
332- transversal stretching bars;
3321- telescopic drive racks;
3322- telescopic drive gears;
3323- telescopic drive motors;
3324- manual laterals move handwheel;
333- second longitudinal direction elevating levers;
341- welding tractor driving motors;
342- turbines;
343- driving wheels;
3431- drive sprocket axles;
344- driven wheels;
345- decelerations mechanism;
3511- speed governing buttons;
3512- voltage control buttons;
3513- current control buttons;
3521- clutch switches;
3522- two-direction switch;
The manual wire feed switches of 3523-;
3524- welding control switches;
3531- controls socket;
3532- welds adjusting control socket;
3533- Insurance Blocks;
3534- control line power outlets;
36- thermal insulation boards;
37- handles;
38- transformers;
39- integrated circuit boards;
40- jigs;
50- wire-feed motors;
51- wire feeder hangers;
52- sliding rails;
53- framed bents;
The 541- sources of welding current;
542- welds air source;
55- cable trunkings;
56- weld fumes washes comb.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in figures 1 to 6, the embodiment of the present application provides a kind of automatic welding machine 1, is used for steel construction parts weld seam Welding in.The automatic welding machine 1 includes workpiece rest area 10 for placing the workpiece welded and to workpiece The welding gun 20 that is welded of weld seam and the welding tractor 30 that drives the welding gun 20 to move, 31 bottom of car body of the welding tractor 30 is equipped with weldering Vehicle moving assembly, the welding tractor moving assembly can be specifically idler wheel, guide rail etc., it is preferred that the welding tractor moving assembly may include It is installed on the driving wheel 321 of 30 bottom of welding tractor and the moving track 322 for rolling connection with the driving wheel 321, the moving rail Road 322 can accurately drive the car body 31 of welding tractor 30 to be moved on specified motion track, reduce other influences factor butt welding The generation of the incidents such as error is reduced or avoided in the influence that seam welding calculates.The moving track 322 is arranged in jig 40 On, workpiece rest area 10 above-mentioned is similarly arranged in the jig 40, i.e. workpiece rest area 10 is located at moving track 322 In identical platform, and the two is arranged side by side, to ensure workpiece weld seam with motion track in the same plane.The vehicle of the welding tractor 30 31 top of body is provided with adjusting part, the position for adjusting welding gun 20, and the specific adjusting part may include being vertically arranged It is stretched in the first longitudinal direction elevating lever 331 on 31 top of car body of welding tractor 30, with 331 transverse direction connected vertically of first longitudinal direction elevating lever Contracting bar 332 and it is vertically arranged to second longitudinal direction elevating lever 333 of the transversal stretching bar 332 close to 10 one end of workpiece rest area, it should One end of second longitudinal direction elevating lever 333 is clamped with aforementioned welding gun 20, can arbitrarily be adjusted by adjusting aforementioned three's adjusting rod Welding gun 20 is accurately moved at position while welding to be welded by the position of welding gun 20.The probe 21 of the welding gun 20 is towards workpiece Rest area 10, the body of a gun of the welding gun 20 are rotatably mounted in one end of the second longitudinal direction elevating lever 333, which can be Carbon dioxide gas arc welding specifically may be used in straight-bar welding gun, the welding gun 20.
Weld seam scanning detection apparatus is installed in the front of aforementioned welding gun 20, can specifically include laser seam sensor and Oscillatory scanning device, the laser seam sensor are mounted on the oscillatory scanning device, which sweeps in swing Observation and transversal scanning workpiece weld seam, detect its own lateral distance data and longitudinal direction between weld seam under the drive of imaging apparatus Range data, i.e. welding data, and send the welding data to control system, the control system are received further according to aforementioned Welding data control welding gun driving motor drive welding gun 20 along weld movement to weld, can specifically carry out lateral step motion and Longitudinal step motion, which can specifically include horizontal stepper motor and longitudinal stepper motor, to be respectively completed Above two moves, which can be set to inside the car body 31 of welding tractor 30, specifically, the control system can be with The control signal of aforementioned driving welding gun driving motor is generated as its core controller using DSP core controller.Wherein, should Control system may include that automatic tracking system carries out real time automatic detection tracking to control aforesaid welded seam scanning detection apparatus, with Real-time data collection and correction data;It can also include that bimodulus is segmented deviation-rectifying system, can be specifically that the segmentation of Fuzzy-P bimodulus is entangled Inclined system, further to be rectified a deviation to the data received, the specific operation principle of the bimodulus Discrete control is:It is defeated in advance Enter deviation threshold, when data of rectifying a deviation are more than the deviation threshold, controlled using ratio, to improve the response speed of system, reduce Regulating time;When data of rectifying a deviation are less than the deviation threshold, using fuzzy control, to reduce the overshoot of system, improve system and ring The stationarity and control accuracy answered.
Workpiece to be welded is positioned over workpiece rest area 10 by the automatic welding machine 1 that the embodiment of the present application is provided, peace Weld seam scanning detection apparatus loaded on 20 front of welding gun carries out weld seam Scanning Detction to it, which will acquire To lateral distance data and the welding datas of fore-and-aft distance data pass to control system, which passes through will after processing The drive signal of specific welding gun transverse direction stepping data and welding gun longitudinal direction stepping data is sent to welding gun driving motor, welding gun driving Motor drives welding gun 20 to carry out lateral step motion and longitudinal step motion to said workpiece weld seam according to drive signal above-mentioned Welding job, to realize intelligent automation weld;After weld seam welding forming at one, welding tractor drives welding gun 20 to pass through welding tractor Moving assembly, which is moved to next place's weld seam, to be continued to repeat welding process above-mentioned, which can also pass through its adjusting part tune It is welded with realizing the weld seam to workpiece different location the position of section welding gun 20.Compared with prior art, the embodiment of the present application The automatic welding machine 1 provided welds workpiece weld seam by intelligent automatic control welding gun 20, and which save a large amount of people It is not beautiful in the presence of mistake, appearance of weld is welded caused by the human factors such as tired, absent minded to avoid human weld for work See and so on, welding job quality is not only increased, welding efficiency is also improved, improves production capacity.
Specifically, may include a video camera and one or two semiconductor laser in aforementioned laser weld seam sensor, Laser stripe is projected to the workpiece surface outside sensor by the semiconductor laser as structure light source, with scheduled angle, should Video camera can be specifically CCD camera, and the video camera is directly to observe the laser stripe outside sensor on workpiece, the camera shooting The optical filter of machine front allows laser to pass through, but filters off all other light, such as welding arc, to the camera shooting Machine will accurately weld information collect, and be transferred to control system, improve the accuracy of collected weld data.
As shown in Figure 1, limited block can be arranged close to the side of welding gun 20 in the workpiece rest area 10 in above-described embodiment 11, which can be bar shaped limited block, and length direction can be with the moving track 322 of the movement of aforementioned welding tractor 30 Parallel, which can limit the position for the workpiece for being positioned over workpiece rest area 10, and welding tractor 30 is made to drive welding gun 20 Moved in parallel relative to workpiece, with the position while welding of accurate scanning workpiece, and make oscillatory scanning device lateral scan when and work Part placement direction is parallel, to reduce the generation for measuring the incidents such as error, and then ensures that aforesaid welded seam scanning detection apparatus is adopted Collect more accurate weld data, and further ensures that welding gun driving motor accurately controls welding gun 20 and implements welding.
As shown in fig. 6,31 inside of car body of welding tractor 30 above-mentioned has the welding tractor driving motor for driving the welding tractor 30 movement 341, which can be specifically ZYT260 DC servo motors, the ZYT260 DC servo motors compared to Other kinds of servo motor, overall dimensions are small and durable, can also make to rotate along reverse direction, the welding tractor driving motor 341 are electrically connected with control system above-mentioned, and by the drive control of the control system, which can lead to Crossing gear structure drives aforementioned driving wheel 321 to move in turn, the gear structure can specifically include turbine 342, driving wheel 343 (including Drive sprocket axle 3431) and driven wheel 344 etc..It is electrically connected with the welding tractor driving motor 341 in addition, 30 top of welding tractor can also be arranged The control button connect, such as speed governing button 3511, clutch switch 3521, two-direction switch 3522, staff can pass through this A little control buttons artificially control it.
Can also include moving regulating system 33 as shown in Fig. 2, Fig. 3 and Fig. 5, in welding tractor 30 above-mentioned, above-mentioned first Longitudinal elevating lever 331, transversal stretching bar 332 and second longitudinal direction elevating lever 333 are equipped with driving portion, and the respectively first lifting is driven Dynamic device, retractable driving device and the second lifting drive, aforementioned first lifting drive, retractable driving device and second Lifting drive is electrically connected to mobile regulating system 33 above-mentioned, and by the control of the movement regulating system 33, the movement Regulating system 33 can be electrically connected with control system above-mentioned, and be controlled by the control system, aforementioned retractable driving device It can specifically include telescopic drive rack 3321 and telescopic drive gear 3322 and telescopic drive motor 3323, aforementioned first liter Drop driving device can specifically include the first lifting drive rack 3311, first lifting driving gear and the first lifting driving motor 3312, likewise, aforementioned first lifting drive can also include specifically the second lifting drive rack, the second lifting sliding tooth Wheel and the second lifting driving motor.
In addition, first manual can be respectively set in first longitudinal direction elevating lever 331 above-mentioned, second longitudinal direction elevating lever 333 It adjusts lifting handwheel 3313 and second and adjusts lifting handwheel manually, staff can pass through aforementioned each manual adjusting lifting handwheel Manual coarse adjustment, transversal stretching bar 332 above-mentioned are carried out to first longitudinal direction elevating lever 331 above-mentioned and second longitudinal direction elevating lever 333 It can be provided with manual lateral movement handwheel 3324, likewise, staff can be by the manual adjusting telescopic hand wheel to it Manually controlled.
As shown in figure 3, the car body 31 of welding tractor 30 above-mentioned can be equipped with thermal insulation board 36 close to the side of welding gun 20, work as weldering When rifle 20 carries out welding job, with the growth of working time, surrounding temperature will increase.And welding tractor 30 with work when Between growth, the raising temperature that all kinds of driving motors inside car body 31 also can be more or less leans in the car body 31 of welding tractor 30 Thermal insulation board 36 is installed in the side of nearly welding gun 20, can make due to the heat generated when welding gun 20 works be not delivered to welding tractor 30 this Side, to which the heat generated when preventing welding gun 20 from working influences the work of welding tractor 30, or even aggravate the car body 31 of welding tractor 30 High-temperature load, and then prevent that 30 working efficiency of welding tractor from reducing or even the case where interruption of work occurs, and extend making for welding tractor 30 Use the service life.
As shown in figure 4, welding gun 20 above-mentioned can be specifically straight-bar welding gun, which may include probe 21, straight Rod spear body 22 and welding torch cable 23 and one end are held on the adjustable clamp that the straight-bar body of a gun other end is connected to aforementioned adjusting part Device 24 is held, the probe 21 and welding torch cable 23 distinguish installation settings in the both ends of the straight-bar body of a gun, this is adjustable clamping device 24 May include be arranged the fastener for being held on the straight-bar body of a gun, the extensible member that one end is fixedly connected with the outer surface of the fastener 242, it is rotationally connected with the rotary part of the extensible member 242, which can carry out fastening clamping by screw 25.This can Adjusting clamping device 24 that can drive, the welding gun 20 is moved forward and backward and rotation, accurate position while welding realize more attractive appearance of weld, The case where being further reduced and appearance of weld avoided to slip up.
Aforementioned adjustable clamping device 24 can also include traversing component 243 and lifting part, and aforementioned rotary part specifically may be used To include front and back rotary part 241 and rotate left and right component 242, the direction of rotation of the left rotation and right rotation component 242 refers to being parallel to The direction of the moving track 322 of aforementioned welding tractor 30, rotation angle range are spent at 0 degree -360, the front and back rotary part 241 control weldering Rifle 20 rotates on the vertical plane of the moving track 322 of aforementioned welding tractor 30, which spends at 45 degree -80, this is flexible The control welding gun 20 of component 244 is elastic in the vertical direction progress of the moving track 322 of aforementioned welding tractor 30, which is Refer to it is in the same direction with the lifting direction of aforementioned second longitudinal direction elevating lever 333, before and after this is adjustable clamping device 24 can the drive welding gun 20 It moves left and right and multi-directional rotation, can more accurately determine the position of weld seam and drives aforesaid welded seam scanning detection apparatus more Accurate to measure weld data, welding gun 20 is achieved more perfect appearance of weld, is further reduced and appearance of weld is avoided to lose The case where missing.
Rotary part, traversing component, extensible member 244 and lifting part above-mentioned can be equipped with driving portion, respectively Can be rotary drive device, traversing driving element, telescopic drive device and lift actuator part, aforementioned four can distinguish It is electrically connected to welding gun driving motor above-mentioned, which is electrically connected with control system above-mentioned, and the control system is logical The weld data that aforesaid welded seam scanning detection apparatus detects is crossed to determine whether carrying out the adjusting and control of 20 position of welding gun The corresponding rotary part of aforementioned four driving device drives, traversing component, extensible member 244 and lifting part carry out corresponding Movement.In addition, the rotary part of the welding gun 20, traversing component, extensible member 244 and lifting part are also provided with respectively Manual rotation handwheel, traversing handwheel 2431, manual telescopic handwheel and hand-operated lifting handwheel 2451, staff can lead to manually It crosses aforementioned four manual hand wheels and manual artificial regulatory is carried out to aforementioned four moving component.
As shown in Figure 1, welding torch cable 23 above-mentioned is electrically connected to wire-feed motor 50, wire-feed motor is installed on wire feeder hanger 51 The other end of one end, wire feeder hanger 51 is slidably connected on sliding rail 52, and sliding rail 52 is fixedly installed in the top of framed bent 53, framed bent Ground is fixed in 53 bottom end, which is made of square steel material, firm, stability is high.The wire-feed motor 50 can be easily It is slided by sliding rail 52 with welding tractor 30 and welding gun 20, to be easily that welding gun 20 provides welding wire.The cable of the source of welding current 541 is by arranging One end of frame 53 is accessed, and wire-feed motor 50 is electrically connected to.The source of welding current 541 and welding air source 542 can be placed in 53 rear of framed bent, arrange Frame 53 can be positioned over side of the welding tractor 30 departing from workpiece rest area 10, and source of welding current cable and tracheae can be accessed by trench to be arranged One end of frame 53, the source of welding current cable and tracheae can be fixed in the cable trunking 55 for being set to ground, welding gun control Switch can be set to the top of the car body 31 of welding tractor 30, and wire-feed motor control switch can similarly be set to the car body of welding tractor 30 31 top.
As shown in fig. 6, can also include speed adjusting gear inside welding tractor 30 above-mentioned, which, which can specifically be divided into, subtracts Fast mechanism 345 and acceleration mechanism, the speed adjusting gear can be electrically connected with welding tractor driving motor 341 above-mentioned, and be existed with setting The speed governing button 3511 on 31 top of car body of welding tractor 30 is electrically connected.Can respectively by control system and manually control come to its into Row speed governing facilitates the various situations of reply, calm reply to dash forward to the freer movement speed for arbitrarily, easily controlling welding tractor 30 Heat condition.Specifically, the speed adjusting gear may include silicon-controlled speed stream device, stepless speed regulation is realized by the silicon-controlled speed stream device, The adjustable extent of speed is in 50-1000mm/min.
A kind of preferred embodiment is that protruding rail moving track may be used in moving track 322 above-mentioned, corresponding, driving Concave wheel driving wheel may be used in wheel 321, which slides on protruding rail moving track, can increase driving wheel in this way 321 friction area on moving track 322, and then the phenomenon that avoid having skidded during sliding.In addition, aforementioned shifting The end face in dynamic rail road 322 can be equipped with interface, can when need to cut longer workpiece such as user so that 322 spreading of moving track is used With the aforementioned moving track 322 of spreading, makes the automatic welding machine 1 that may not only carry out the weld seam welding job of casual labourer's part, may be used also To carry out the weld seam welding job of machining long workpieces, working face is wider.
Preferably, the car body 31 of aforementioned welding tractor 30 may be used precision aluminium-alloy die casting and be made, weldering made of this material The car body 31 of vehicle 30 has many advantages, such as that light-weight, intensity is high, corrosion-resistant.
Another preferred embodiment is, as shown in Figure 1, the automatic welding machine 1 can also wash row including weld fumes Pipe 56, one end which washes comb 56 can be installed on wire feeder hanger 51 above-mentioned, which washes comb 56 stretch out the overhead for being set to welding tractor 30, for absorbing the pollutants such as the flue dust generated in 1 course of work of automatic welding machine, with Air is purified, good welding surroundings are built, reduces pollution, environmentally protective, the health of safeguard work personnel.
As shown in Figure 1, the outer surface of the car body 31 of welding tractor 30 above-mentioned can install handle 37, to facilitate staff to move Dynamic welding tractor 30, manual operation is more effortless.In addition, as shown in Fig. 2, being also provided with control voltage inside the car body 31 of the welding tractor 30 Transformer 38 and integrated circuit board 39 for electrical connection, it is corresponding, can be equipped with voltage on 31 top of car body of welding tractor 30 31 top of car body of control button 3512 and current control button 3513, welding tractor 30 is also provided with control socket 3531, welding Adjusting control socket 3532, Insurance Block 3533, control line power outlet 3534, manual wire feed switch 3523, welding control switch 3524 etc., to facilitate multiple diversity operation.
The foregoing is merely the preferred embodiments of the application, not to limit the application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of automatic welding machine (1), which is characterized in that including:
Workpiece rest area (10);
The welding tractor (30) being arranged side by side with the workpiece rest area (10), including car body (31), it is set to the car body (31) bottom The welding tractor moving assembly in portion, the adjusting part for being installed on the car body (31) top;
It is held on the welding gun (20) of the adjusting part, the probe (21) of the welding gun (20) is towards the workpiece rest area (10);
The weld seam scanning detection apparatus being installed in front of the welding gun (20), collects the welding data of workpiece weld seam;
The control system being electrically connected with the weld seam scanning detection apparatus gets the welding data, and according to the welding Data send out drive signal to welding gun driving motor;
The welding gun driving motor being electrically connected with the control system, receives the drive signal, and according to the driving Signal drives the welding gun (20) along weld movement to weld.
2. automatic welding machine (1) according to claim 1, which is characterized in that
The adjusting part includes the first longitudinal direction elevating lever on car body (31) top for being vertically arranged at the welding tractor (30) (331), with the first longitudinal direction elevating lever (331) transversal stretching bar (332) connected vertically and be vertically arranged to the transverse direction Second longitudinal direction elevating lever (333) of the telescopic rod (332) close to described workpiece rest area (10) one end;The second longitudinal direction elevating lever (333) one end is clamped with the welding gun (20);
The drive of the first longitudinal direction elevating lever (331), the transversal stretching bar (332) and the second longitudinal direction elevating lever (333) Dynamic portion is electrically connected with the control system.
3. automatic welding machine (1) according to claim 1, which is characterized in that the welding gun (20) includes the body of a gun and one End is held on the adjustable clamping device (24) that the body of a gun other end is connected to the adjusting part;
The adjustable clamping device (24) includes being arranged the fastener for being held on the body of a gun, the appearance of one end and the fastener Extensible member (242) that face is fixedly connected, the rotary part for being rotationally connected with the extensible member (242);
The driving portion of the adjustable clamping device (24) is electrically connected to the welding gun driving motor.
4. automatic welding machine (1) according to claim 3, which is characterized in that
The rotary part includes the front and back rotary part (241) being connected with each other and rotates left and right component (242), is revolved before and after described The rotation angle range of rotation member (241) is 45 degree of -80 degree, and the rotating range for rotating left and right component (242) is 0 degree -360 Degree.
5. automatic welding machine (1) according to claim 1, which is characterized in that
The welding tractor moving assembly includes driving wheel (321) and rolls the moving track of connection with the driving wheel (321) (322)。
6. automatic welding machine (1) according to claim 5, which is characterized in that
It is provided with the speed adjusting gear being electrically connected with the control system, the speed adjusting gear in the car body (31) of the welding tractor (30) It is electrically connected with the driving wheel (321).
7. automatic welding machine (1) according to claim 5, which is characterized in that further include being set to the workpiece to place The bar shaped limited block of the close welding gun (20) side in area (10), length direction are parallel with the moving track (322).
8. automatic welding machine (1) according to claim 1, which is characterized in that
The weld seam scanning detection apparatus includes oscillatory scanning device and laser seam sensor, the laser seam sensor packet Include CCD camera and semiconductor laser.
9. automatic welding machine (1) according to claim 1, which is characterized in that further include being set to the welding tractor (30) Car body (31) close to the welding gun (20) side thermal insulation board (36).
10. automatic welding machine (1) according to claim 1, which is characterized in that further include being set to the welding tractor (30) The weld fumes in overhead washes comb (56), and the weld fumes washes comb (56) one end and is connected to the framed bent (53) for being fixed on ground On.
CN201810961660.4A 2018-08-22 2018-08-22 A kind of automatic welding machine CN108672894A (en)

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