CN108480870A - A kind of automatic welding device that welding precision can be improved - Google Patents
A kind of automatic welding device that welding precision can be improved Download PDFInfo
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- CN108480870A CN108480870A CN201810126801.0A CN201810126801A CN108480870A CN 108480870 A CN108480870 A CN 108480870A CN 201810126801 A CN201810126801 A CN 201810126801A CN 108480870 A CN108480870 A CN 108480870A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention discloses a kind of automatic welding devices that welding precision can be improved, and are related to welding automation field, to solve the disadvantage that not ensureing the welding precision requirement of sheet metal in accurate device in the prior art；It includes pedestal and the gantry mechanism being arranged on pedestal and is equipped with the welding mechanism on gantry mechanism, welding mechanism walks component and Z axis is walked Component driver by walk component, Y-axis of the X-axis that is moved along X-direction, Y direction and Z-direction respectively, welding mechanism includes welding gun and the driving welding gun X-axis runner assembly rotated respectively along X-axis and the Y-axis runner assembly rotated along Y-axis, welding gun is equipped with laser tracking system and spectral confocal sensor, and laser tracking system includes laser and monitoring camera.By implementing the technical program, different sheet metals can be flexibly welded, and can ensure the welding precision requirement of sheet metal in accurate device to the sheet metal accurate welding during accurate device processing.
Description
Technical field
The present invention relates to welding automation fields, are set more particularly to a kind of automatic welding that welding precision can be improved
It is standby.
Background technology
Straight envelope and circumferential weld are most common welding gaps in steel plate butt welding, the metal during being processed to accurate device
Thin slice welding not only made higher requirement in weld strength, precision, efficiency, appearance etc..Laser welding is as one
The important retrofit means of kind, have many advantages, such as that weld seam is narrow, heat affected area is small, welding precision is high, smooth welding joint, extensively
Applied to the welding of all kinds of sheet metals, such as welding of minimally invasive medical equipment component, sensor small parts welding encapsulation, fuel
Battery metal diaphragm welding encapsulation, the precision welding encapsulation of special sensor component and FBG fiber grating strain sensor modules
Welding encapsulation etc..
Application No. is the patents of CN201520536312.4 to disclose a kind of five degree of freedom welding cutting robot, Yi Zhongwu
Degree of freedom welds cutting robot, including column and robot body, and the robot body is mounted on the column and energy
Enough vertical direction along column move up and down；The robot body includes being sequentially connected rear-swing arm seat, rear-swing arm, the forward swing connect
Arm and head assembling assembly；One end of the rear-swing arm is rotatably coupled with rear-swing arm seat, passes through the rotation band of rear-swing arm
Motivation head assembling assembly moves in the horizontal plane；The other end of the rear-swing arm is rotatably coupled with front swing arm, passes through forward swing
The rotation of arm drives head assembling assembly to realize circular motion；The head assembling assembly is connected with the end of front swing arm；Institute
It includes third transmission mechanism, helical gear extension bar, bevel gear set, seat swing arm and welding cutting tool group to state head assembling assembly
Part, wherein welding cutting tool component fixes the free end for swing arm of being present, third transmission mechanism from helical gear extension bar by wearing
The central shaft crossed is connect with bevel gear set, which makes welding cutting tool component along own axes freedom
Being discharged without winding for connecting cable is realized in revolution；Moreover, third transmission mechanism also directly drives helical gear extension bar so that helical gear
Extension bar carries out circle swing.The technical solution can solve sky while meeting traditional robot welding cutting operation function
Between complicated closed surface continuous cutting and complexity closed curve continuously repeat welding, however the technical solution still have it is following
Shortcoming：Welding precision can not ensure, to ensure the welding precision requirement to some accurate devices, especially to one
The welding of sheet metal during a little accurate device processings, directly affects the processing quality of accurate device.
Therefore, for deficiency in the prior art, research and design one kind is for metal during accurate device processing
The planer-type five-axle linkage automatic welding device of thin slice welding, improves the welding processing quality of sheet metal, it appears particularly important.
Invention content
In view of the above deficiencies of the prior art, the purpose of the present invention is to provide it is a kind of can be improved welding precision from
Dynamic welding equipment, the sheet metal accurate welding during being processed to accurate device, ensures metal foil in accurate device
The welding precision requirement of piece.
The present invention specifically uses following technical scheme to achieve the goals above：
A kind of automatic welding device that welding precision can be improved, including pedestal and the gantry mechanism that is arranged on pedestal and
It is equipped with the welding mechanism on gantry mechanism, the gantry mechanism includes portal frame and driving welding mechanism respectively along X
X-axis walking component, Y-axis walking component and the Z axis walking component of axis direction, Y direction and Z-direction movement, the portal frame
Including two vertical columns, two vertical columns are arranged at the both ends of the pedestal, and two vertical the upper end of the column are arranged with respectively
Left link block and right link block, between the welding mechanism is erected at two vertical columns by movable plate, the movable plate one
End extends in left link block, and the movable plate other end extends in right link block, and the X-axis walking component is arranged in left connection
In block/right link block and movable plate is driven to be moved along X-direction；The Y-axis walking component is arranged on pedestal and synchronous driving
Left link block and right link block are moved along Y direction；The movable plate is equipped with the moving guide rail along Z-direction, the welding
Mechanism is embedded in moving guide rail bottom and is secured to connect, and the Z axis walking component can drive moving guide rail to be moved along Z-direction
It is dynamic；The welding mechanism includes welding gun and the driving welding gun X-axis runner assembly rotated respectively along X-axis and the Y-axis rotated along Y-axis
Runner assembly, the welding gun are equipped with laser tracking system and spectral confocal sensor.
The operation principle of base case of the present invention is：It using the above structure, can will be complicated when welding metal thin slice
The sheet metal of curved surface is placed on pedestal, and weldering is respectively driven by X-axis walking component, Y-axis walking component and Z axis walking component
Connection mechanism is moved along X-direction, Y direction and Z-direction, and welding mechanism is erected at the gantry mechanism of setting by movable plate
On, it can effectively ensure the moving stability of welding mechanism；Further, driving welding gun edge respectively is additionally provided on welding mechanism
X-axis does the X-axis runner assembly that 180 ° of reciprocating rotatings move and does the Y-axis runner assemblies of 360 ° of rotations along Y-axis, constitutes the revolution of five axis
Body automatic welding device can be welded flexibly complex-curved or carry out continuously repeating welding to different sheet metals, flexibly
Degree is high.
In addition, being additionally provided with laser tracking system and spectral confocal sensor on welding gun, laser tracking system includes laser
Device and monitoring camera, the effect of monitoring camera be by monitoring display monitoring weld seam, the effect of laser tracking system be for
Weld seam real-time tracking welding to sheet metal, further passes through rib using the beam of white light of spectral confocal sensor transmitting
Mirror is generated along the continuous monochromatic light of Z axis, and the monochromatic light of one of specific wavelength focuses on body surface, this monochromic beam is logical
Needle passing hole filter spectrometers are transmitted back to optical system, and metal foil can accurately be tracked by analyzing its monochromatic color by processor
Piece weld seam accuracy can correct welding route in time by processor.
Further, the Y-axis walking component includes the first leading screw and coordinates connect with the first leading screw upper end first to watch
It takes motor and the second leading screw and the second servo motor being connect with the second leading screw upper end, first leading screw is coordinated to be passed down through
Left link block simultaneously extends in the fixed seat A on pedestal, and the first leading screw is threadedly coupled with left link block；Second leading screw to
Under across right link block and extend in the fixed seat B on pedestal, and the second leading screw is threadedly coupled with right link block.Pass through simultaneously
First servo motor and the second servo motor respectively drive the first lead screw and the second lead screw horizontally rotates, so as to synchronous drive point
The left link block not connect with the first threads of lead screw and the right link block being connect with the second threads of lead screw are freely moved along Y direction
It is dynamic, by leading screw screw pair can directly drive left link block and right link block along the free direction of Y-axis move after locked, no
Opposite sliding is will produce, the precision of sheet metal welding is improved.
Further, the X-axis walking component includes stepper motor A and exports the gear of axis connection, institute with stepper motor A
It states movable plate upper surface and is transversely provided with the engaging tooth being meshed with gear.It drives and moves by stepper motor A sliding tooth wheels rotate
Movable plate is moved along X-direction, simple in structure, and it is high to may make that movable plate moves tightness by gear drive.
Further, the Z axis walking component includes power drive mechanism, stepper motor B and is fixed with moving guide rail
The propulsive mechanism of connection, stepper motor B drive moving guide rail freely to be moved along Z-direction by power drive mechanism and propulsive mechanism
It is dynamic.The guide groove slided for moving guide rail can be specifically opened up on movable plate so that stepper motor B is by power drive mechanism and pushes away
Into mechanism driving moving guide rail guide groove sliding, mobile accuracy of the welding gun along Z-direction is improved.
Further, the power drive mechanism is conveyer belt, and propulsive mechanism includes and moving guide rail spiral shell disposed in parallel
Bar and the swivel nut being set on screw rod, the moving guide rail are fixedly connected with swivel nut, and stepper motor B passes through belt-driven screw rod
It rotates and moving guide rail is driven to be moved freely along Z-direction with swivel nut.
Further, the welding mechanism further includes fixed shell and roll-shell, the fixed shell and moving guide rail
Bottom be fixedly connected, the X-axis runner assembly include the first driving motor being arranged in set casing body and first rotating shaft with
And the second shaft being arranged in roll-shell, second shaft are arranged along X-direction, the welding gun passes through U-board and institute
State the both ends connection of the second shaft, one end of the first rotating shaft connect with the first driving motor output shaft, first rotating shaft it is another
One end extends in roll-shell and is connect with the second shaft by bevel gear.First rotating shaft is driven to turn by the first driving motor
It moves and drives the second shaft to do 180 ° of reciprocating rotatings along X-axis and move, the weldering in the second shaft is set by U-board to drive
Rifle does 180 ° of reciprocating rotatings along X-axis and moves.
Further, the Y-axis runner assembly includes being arranged to exist in the second driving motor of U-board bottom inside and setting
The output shaft of the rotating disc of U-board bottom outside, second driving motor passes through U-board bottom and rotating disc are coaxially fixed to connect
It connects, the setting of the welding gun bias is on rotating disc.Turn disc is driven by the second driving motor by drive eccentric set
The welding gun on rotating disc is set along 360 ° of rotations are done along Y-axis, simple in structure, rotational freedom is high.
Further, it is provided with driving sheet metal in the pedestal and moves drive component along what Y direction moved, it is described
Mobile drive component includes that driving cylinder, locating rod, movable block and connecting rod, the locating rod are horizontally set on the bottom of pedestal
Portion, the movable block are laterally worn on the securing lever, and the output shaft of the driving cylinder connect with movable block and drives movable block
Along locating rod transverse shifting, the connecting rod upper end is hinged with sheet metal bottom, and connecting rod lower end is hinged with movable plate.Pass through
Drive cylinder driving movable block along locating rod transverse shifting, to change the inclination angle for the connecting rod for being hinged on sheet metal bottom
Degree, realizes the elevating movement of sheet metal；Can in particular by driving cylinder it is intelligentized adjust movable block lateral distance and
The displacement distance of sheet metal vertically is adjusted, controllability is good.
Further, the inner wall of the pedestal is equipped with positioning guide rail, and the sheet metal both ends are embedded in positioning guide rail
And it is slidably connected with it.Sheet metal may make to be moved up and down along positioning guide rail, mobile accuracy is high.
Further, two groups of movement drive components are provided in the pedestal, two connecting rods are arranged in parallel and for branch
Support different metal thin slice.Realize the welding of different metal thin slice.
As described above, beneficial effects of the present invention are as follows：
1, the present invention is provided with the X-axis walking that driving welding mechanism is moved along X-direction, Y direction and Z-direction respectively
Component, Y-axis walking component and Z axis walking component, and driving welding gun do the X-axis that 180 ° of reciprocating rotatings move along X-axis respectively and turn
Dynamic component and the Y-axis runner assembly that 360 ° of rotations are done along Y-axis, constitute five axis revolving body automatic welding devices, can flexibly weld
Complex-curved or continuously repeat welding to different sheet metals, flexibility ratio is high.
2, the present invention is additionally provided with laser tracking system and spectral confocal sensor on welding gun, and laser tracking system includes swashing
The effect of light device and monitoring camera, monitoring camera is by monitoring display monitoring weld seam, and the effect of laser tracking system is to use
Carry out the weld seam real-time tracking welding to sheet metal, further passes through rib using the beam of white light of spectral confocal sensor transmitting
Mirror is generated along the continuous monochromatic light of Z axis, and the monochromatic light of one of specific wavelength focuses on body surface, this monochromic beam is logical
Needle passing hole filter spectrometers are transmitted back to optical system, and metal foil can accurately be tracked by analyzing its monochromatic color by processor
Piece weld seam accuracy can correct welding route in time by processor.
3, the present invention is provided with driving sheet metal in pedestal and moves drive component along what Y direction moved, passes through drive
Cylinder of taking offence drives movable block along locating rod transverse shifting, to change the inclination angle for the connecting rod for being hinged on sheet metal bottom
Degree, realizes the elevating movement of sheet metal；Can in particular by driving cylinder it is intelligentized adjust movable block lateral distance and
The displacement distance of sheet metal vertically is adjusted, controllability is good；And the inner wall of pedestal is equipped with positioning guide rail, sheet metal
It is slidably connected in both ends insertion positioning guide rail and with it, sheet metal may make to be moved up and down along positioning guide rail, mobile accuracy
It is high.
Description of the drawings
Fig. 1 is a kind of diagrammatic cross-section for the automatic welding device that welding precision can be improved of the present invention；
Fig. 2 is the schematic diagram of Z axis walking component in a kind of automatic welding device that welding precision can be improved of the present invention；
Fig. 3 is the schematic diagram of propulsive mechanism in a kind of automatic welding device that welding precision can be improved of the present invention；
Fig. 4 is the schematic diagram of welding mechanism in a kind of automatic welding device that welding precision can be improved of the present invention；
Fig. 5 is the schematic diagram of mobile drive component in a kind of automatic welding device that welding precision can be improved of the present invention.
Reference numeral：The vertical column of 01- pedestals, 02-, 03- welding mechanisms, the left link blocks of 04-, the right link blocks of 05-, 06-
Movable plate, 07- moving guide rails, the first leading screws of 08-, 09- first servo motors, the second leading screws of 10-, the second servo motors of 11-,
12- fixed seat A, 13- fixed seat B, 14- stepper motor A, 15- gear, 16- engaging tooths, 17- stepper motor B, 18- conveyer belt,
19- screw rods, 20- swivel nuts, 21- fix shell, 22- roll-shells, the first driving motors of 23-, 24- first rotating shafts, second turn of 25-
Axis, 26-U shapes plate, 27- bevel gears, the second driving motors of 28-, 29- rotating discs, 30- welding guns, 31- sheet metals, 32- drive gas
Cylinder, 33- locating rods, 34- movable blocks, 35- connecting rods, 36- positioning guide rails.
Specific implementation mode
In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiment to the present invention
It is described in further detail.
Shown in please referring to Fig.1, the present embodiment provides a kind of automatic welding devices that welding precision can be improved, including pedestal 01
With the gantry mechanism being arranged on pedestal 01 and the welding mechanism being equipped on gantry mechanism 03, gantry mechanism includes dragon
X-axis walking component that door frame and driving welding mechanism 03 are moved along X-direction, Y direction and Z-direction respectively, Y-axis walking
Component and Z axis walking component, specifically, portal frame includes two vertical columns 02, and two vertical columns 02 are arranged in pedestal 01
Left and right ends, two 02 upper ends of vertical column are arranged with left link block 04 and right link block 05 respectively, and welding mechanism 03 passes through
Movable plate 06 is erected between two vertical columns 02, and 06 left end of movable plate extends in left link block 04,06 right end of movable plate
It extends in right link block 05；Y-axis, which is walked component setting on pedestal 01 and synchronized, drives left link block 04 and right link block 05
It is moved along Y direction.
Specifically, Y-axis walking component includes the first leading screw 08 and the first servo that cooperation is connect with 08 upper end of the first leading screw
The second servo motor 11 that motor 09 and the second leading screw 10 and cooperation are connect with 10 upper end of the second leading screw, the first leading screw 08 is downwards
It across left link block 04 and extends in the fixed seat A12 on pedestal 01, and the first leading screw 08 is threadedly coupled with left link block 04；
Second leading screw 10 is passed down through right link block 05 and extends in the fixed seat B13 on pedestal 01, and the second leading screw 10 and right company
Connect the threaded connection of block 05.The first lead screw and second are respectively driven by first servo motor 09 and the second servo motor 11 simultaneously
Bar horizontally rotates, the left link block 04 that is threadedly coupled respectively with the first leading screw 08 so as to synchronous drive and with 10 spiral shell of the second leading screw
The right link block 05 of line connection is moved freely along Y direction, and directly left link block 04 and the right side can be being driven by leading screw screw pair
Link block 05 along Y direction move freely after locked, will not produce relative sliding, improve sheet metal 31 weld essence
Degree.
Further, the setting of X-axis walking component in right link block 05 and drives movable plate 06 to be moved along X-direction；Tool
Body, X-axis walking component includes stepper motor A14 and exports the gear 15 of axis connection, 06 upper table of movable plate with stepper motor A14
Face is transversely provided with the engaging tooth 16 being meshed with gear 15, drives gear 15 to rotate by stepper motor A14 by drives movable plate
06 moves along X-direction, simple in structure, may make movable plate 06 to move tightness height by the transmission of gear 15,
Further, movable plate 06 is equipped with the moving guide rail 07 along Z-direction, and Z axis walking component can drive movement
Guide rail 07 is moved along Z-direction, and welding mechanism 03 is embedded in 07 bottom of moving guide rail and is welded with it, as shown in Figures 2 and 3, Z
Axis walking component includes power drive mechanism, stepper motor B17 and the propulsive mechanism being fixedly connected with moving guide rail 07, stepping
Motor B17 drives moving guide rail 07 to be moved freely along Z-direction by power drive mechanism and propulsive mechanism.It specifically can be in movement
The guide groove slided for moving guide rail 07 is opened up on plate 06 so that stepper motor B17 is driven by power drive mechanism and propulsive mechanism
The 07 guide groove sliding of dynamic moving guide rail, improves mobile accuracy of the welding gun 30 along Z-direction.
Specifically, power drive mechanism is conveyer belt 18, and propulsive mechanism includes and 07 screw rod disposed in parallel of moving guide rail
19 and the swivel nut 20 that is set on screw rod 19, moving guide rail 07 be connected to one with swivel nut 20, stepper motor B17 passes through biography
Band 18 is sent to drive the rotation of screw rod 19 and moving guide rail 07 is driven to be moved freely along Z-direction with swivel nut 20.
Further, as shown in figure 4, welding mechanism 03 includes welding gun 30, fixed shell 21 and roll-shell 22, set casing
Body 21 and the bottom of moving guide rail 07 are welded, and welding mechanism 03 further includes the X-axis rotating group for driving welding gun 30 to be rotated respectively along X-axis
Part and the Y-axis runner assembly rotated along Y-axis, specifically, X-axis runner assembly include the first driving being arranged in fixed shell 21
Motor 23 and first rotating shaft 24 and the second shaft 25 being arranged in roll-shell 22, the second shaft 25 are arranged along X-direction,
Welding gun 30 is fixedly connected by U-board 26 with the both ends of the second shaft 25, the upper end of first rotating shaft 24 and the first driving motor 23
Export axis connection, the lower end of first rotating shaft 24 passes through fixed shell 21 to extend in roll-shell 22 and by bevel gear 27 and the
Two shafts 25 connect, by the first driving motor 23 drive first rotating shaft 24 rotate by drive second rotation along X-axis do 180 ° it is past
Multiple rotary motion does 180 ° of reciprocating rotatings fortune to which the welding gun 30 in the second shaft 25 is arranged by U-board 26 in drive along X-axis
It is dynamic.
In addition, Y-axis runner assembly includes being arranged in the second driving motor 28 of 26 bottom inside of U-board and setting in U-shaped
The rotating disc 29 of 26 bottom outside of plate, rotating disc 29 coordinate with 26 bottom gap of U-board, and the output shaft of the second driving motor 28 is worn
It crosses 26 bottom of U-board to be fixedly and coaxially connected with rotating disc 29, the eccentric setting of welding gun 30 is on rotating disc 29, to pass through second
Driving motor 28 drives the rotation of rotating disc 29 and the eccentric welding gun 30 being arranged on rotating disc 29 is driven to do 360 ° turns along Y-axis
Dynamic, simple in structure, rotational freedom is high.
Further, laser tracking system and spectral confocal sensor are equipped on welding gun 30, laser tracking system includes
The effect of laser and monitoring camera, monitoring camera is by monitoring display monitoring weld seam, and the effect of laser tracking system is
For being welded to the weld seam real-time tracking of sheet metal 31, further passed through using the beam of white light of spectral confocal sensor transmitting
Prism is crossed, is generated along the continuous monochromatic light of Z axis, the monochromatic light of one of specific wavelength focuses on body surface, this Shu Danse
Light is transmitted back to optical system by pinhole filter spectrometer, and gold can accurately be tracked by analyzing its monochromatic color by processor
Belong to 31 weld seam accuracy of thin slice, welding route can be corrected by processor in time.
Further, incorporated by reference to shown in Fig. 1 and Fig. 5, be provided in pedestal 01 driving sheet metal 31 along Y direction
Mobile mobile drive component, mobile drive component include driving cylinder 32, locating rod 33, movable block 34 and connecting rod 35, are determined
Position bar 33 is horizontally set on the bottom of pedestal 01, and movable block 34 is laterally threaded through in locating rod 33, drives the output shaft of cylinder 32
It is connect with movable block 34 and drives movable block 34 along 33 transverse shifting of locating rod, 35 upper end of connecting rod is cut with scissors with 31 bottom of sheet metal
It connects, 35 lower end of connecting rod is hinged with movable plate 06.By driving cylinder 32 to drive movable block 34 along 33 transverse shifting of locating rod, from
And change the angle of inclination for the connecting rod 35 for being hinged on 31 bottom of sheet metal, realize the elevating movement of sheet metal 31；Can have
Sheet metal 31 is adjusted by driving the intelligentized lateral distance for adjusting movable block 34 of cylinder 32 vertically to body
Displacement distance, controllability are good.
In addition, being provided with two groups of movement drive components in pedestal 01, two connecting rods 35 are arranged in parallel and are used to support not
With sheet metal 31.Realize the welding of different metal thin slice 31.
Specifically, parallel positioning guide rail 36 there are two being set on the inner wall of pedestal 01, the both ends of two sheet metals 31
It is respectively embedded into two positioning guide rails 36 and is slidably connected with it, sheet metal 31 may make to be moved up and down along positioning guide rail 36,
Mobile accuracy is high, and 31 accurate welding of sheet metal during being processed to accurate device ensures gold in accurate device
Belong to the welding precision requirement of thin slice 31.
In this example, when welding metal thin slice 31, the both ends of two complex-curved sheet metals 31 can be distinguished
In positioning guide rail 36 in embedded pedestal 01, two sheet metals 31 are respectively driven by two groups of movement drive components first and distinguished
It moves up and down, can be adjusted in particular by the intelligentized lateral distance for adjusting movable block 34 of driving cylinder 32 along positioning guide rail 36
The displacement distance of sheet metal 31 vertically is saved, the welding position of two sheet metals 31 is accurately controlled；And then pass through X-axis
Walking component, Y-axis walking component and Z axis walking component respectively drive welding mechanism 03 along X-direction, Y direction and Z-direction
It is mobile, and welding mechanism 03 is respectively driven by X-axis runner assembly and Y-axis runner assembly and does 180 ° of reciprocating rotating fortune along X-axis
It moves and does 360 ° of rotations along Y-axis, constitute five axis revolving body automatic welding devices, there is higher flexibility ratio, can flexibly weld multiple
Miscellaneous curved surface carries out continuously repeating welding to different sheet metals 31.
Further, welding mechanism 03 is moved to the welding position of two sheet metals 31, by welding gun 30 to its into
Row welding, and the weld seam real-time tracking of sheet metal 31 is welded by monitoring display monitoring weld seam, and using laser, into
One step can utilize the beam of white light of spectral confocal sensor transmitting to pass through prism, generate along the continuous monochromatic light of Z axis, one of them
The monochromatic light of specific wavelength focuses on body surface, this monochromic beam is transmitted back to optical system by pinhole filter spectrometer, leads to
31 weld seam accuracy of sheet metal can accurately be tracked by crossing processor and analyzing its monochromatic color, can be timely by processor
Correct welding route, it is ensured that 31 accurate welding of sheet metal during accurate device processing meets golden in accurate device
Belong to the welding precision requirement of thin slice 31.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, equivalent structure variation made by every specification and accompanying drawing content with the present invention, similarly
It should be included within the scope of the present invention.
Claims (10)
1. a kind of automatic welding device that welding precision can be improved, including pedestal and the gantry mechanism that is arranged on pedestal and match
Close the welding mechanism being arranged on gantry mechanism, it is characterised in that：The gantry mechanism includes portal frame and driving bonding machine
X-axis walking component, Y-axis walking component and the Z axis walking component that structure is moved along X-direction, Y direction and Z-direction respectively, institute
It includes two vertical columns to state portal frame, and two vertical columns are arranged in the both ends of the pedestal, two vertical the upper end of the column point
It is not arranged with left link block and right link block, it is described between the welding mechanism is erected at two vertical columns by movable plate
Movable plate one end extends in left link block, and the movable plate other end extends in right link block, and the X-axis walking component setting exists
In left link block/right link block and movable plate is driven to be moved along X-direction；The Y-axis walking component is arranged on pedestal simultaneously same
Step drives left link block and right link block to be moved along Y direction；The movable plate is equipped with the moving guide rail along Z-direction, institute
It states welding mechanism to be embedded in moving guide rail bottom and be secured to connect, the Z axis walking component can drive moving guide rail along Z axis
It moves in direction；The welding mechanism includes the X-axis runner assembly and turn along Y-axis that welding gun and driving welding gun are rotated along X-axis respectively
Dynamic Y-axis runner assembly, the welding gun are equipped with laser tracking system and spectral confocal sensor.
2. a kind of automatic welding device that welding precision can be improved according to claim 1, it is characterised in that:The Y-axis
Walking component includes the first leading screw and coordinates the first servo motor that is connect with the first leading screw upper end and the second leading screw and cooperation
The second servo motor being connect with the second leading screw upper end, first leading screw are passed down through left link block and extend on pedestal
In fixed seat A, and the first leading screw is threadedly coupled with left link block；Second leading screw is passed down through right link block and extends to base
In fixed seat B on seat, and the second leading screw is threadedly coupled with right link block.
3. a kind of automatic welding device that welding precision can be improved according to claim 1, it is characterised in that：The X-axis
Walking component includes stepper motor A and exports the gear of axis connection with stepper motor A, the movable plate upper surface be transversely provided with
The engaging tooth that gear is meshed.
4. a kind of automatic welding device that welding precision can be improved according to claim 1, it is characterised in that：The Z axis
Component of walking includes power drive mechanism, stepper motor B and the propulsive mechanism being fixedly connected with moving guide rail, stepper motor B
Moving guide rail is driven to be moved freely along Z-direction by power drive mechanism and propulsive mechanism.
5. a kind of automatic welding device that welding precision can be improved according to claim 4, it is characterised in that：The power
Transmission mechanism is conveyer belt, and propulsive mechanism includes and swivel nut moving guide rail screw rod disposed in parallel and be set on screw rod, institute
It states moving guide rail to be fixedly connected with swivel nut, stepper motor B drives moving guide rail with swivel nut by belt-driven screw rod rotates
It is moved freely along Z-direction.
6. a kind of automatic welding device that welding precision can be improved according to claim 1-5 any one, feature exist
In：The welding mechanism further includes fixed shell and roll-shell, and the fixed shell is fixedly connected with the bottom of moving guide rail,
The X-axis runner assembly includes the first driving motor being arranged in set casing body and first rotating shaft and is arranged in roll-shell
The second interior shaft, second shaft are arranged along X-direction, the both ends that the welding gun passes through U-board and second shaft
Connection, one end of the first rotating shaft are connect with the first driving motor output shaft, and the other end of first rotating shaft extends to rotation shell
It is connect in vivo and with the second shaft by bevel gear.
7. a kind of automatic welding device that welding precision can be improved according to claim 6, it is characterised in that：The Y-axis
Runner assembly include be arranged U-board bottom inside the second driving motor and the rotating disc in U-board bottom outside, institute are set
The output shaft for stating the second driving motor is fixedly and coaxially connected across U-board bottom with rotating disc, and the setting of the welding gun bias exists
On rotating disc.
8. a kind of automatic welding device that welding precision can be improved according to claim 1, it is characterised in that：The pedestal
Inside be provided with driving sheet metal and move drive component along what Y direction moved, the mobile drive component include driving cylinder,
Locating rod, movable block and connecting rod, the locating rod are horizontally set on the bottom of pedestal, and the movable block is laterally threaded through positioning
On bar, the output shaft of the driving cylinder connect with movable block and drives movable block along locating rod transverse shifting, the connecting rod
Upper end is hinged with sheet metal bottom, and connecting rod lower end is hinged with movable plate.
9. a kind of automatic welding device that welding precision can be improved according to claim 8, it is characterised in that：The pedestal
Inner wall be equipped with positioning guide rail, be slidably connected in sheet metal both ends insertion positioning guide rail and with it.
10. a kind of automatic welding device that welding precision can be improved according to claim 9, it is characterised in that：The base
Two groups of movement drive components are provided in seat, two connecting rods are arranged in parallel and are used to support different metal thin slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126801.0A CN108480870A (en) | 2018-02-08 | 2018-02-08 | A kind of automatic welding device that welding precision can be improved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126801.0A CN108480870A (en) | 2018-02-08 | 2018-02-08 | A kind of automatic welding device that welding precision can be improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108480870A true CN108480870A (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810126801.0A Pending CN108480870A (en) | 2018-02-08 | 2018-02-08 | A kind of automatic welding device that welding precision can be improved |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396701A (en) * | 2018-12-14 | 2019-03-01 | 宁波帮手机器人有限公司 | A kind of comprehensive lithium battery group industrial welding robot |
| CN109827972A (en) * | 2019-03-28 | 2019-05-31 | 中核建中核燃料元件有限公司 | A kind of device and its detection method for nuclear fuel rod Surface testing |
-
2018
- 2018-02-08 CN CN201810126801.0A patent/CN108480870A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396701A (en) * | 2018-12-14 | 2019-03-01 | 宁波帮手机器人有限公司 | A kind of comprehensive lithium battery group industrial welding robot |
| CN109827972A (en) * | 2019-03-28 | 2019-05-31 | 中核建中核燃料元件有限公司 | A kind of device and its detection method for nuclear fuel rod Surface testing |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180904 |
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