CN108971757A - Thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant - Google Patents
Thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant Download PDFInfo
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- CN108971757A CN108971757A CN201810989017.2A CN201810989017A CN108971757A CN 108971757 A CN108971757 A CN 108971757A CN 201810989017 A CN201810989017 A CN 201810989017A CN 108971757 A CN108971757 A CN 108971757A
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Classifications
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
- B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to welding technology fields, and specifically disclose a kind of thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant, it is made of servo cross slid platform unit, detection unit and welding unit, wherein detection unit is made of installation braced frame, position detecting mechanism and height detection mechanism, and servo cross slid platform unit drives welding unit to carry out the online compensation of welding position according to the position signal that detection unit acquires when work.The present invention detects position while welding using the method for Mechanical Contact, not only has preferable reliability and accuracy, and cost is relatively low convenient for promoting the use of；Welding position is controlled according to the data combination interpolation arithmetic of detection unit simultaneously, to realize the online deviation synchroballistic in welding position, effectively improves working efficiency while improving welding quality；Furthermore it can realize the detection of the butt welding piece position while welding of 1.5mm small―gap suture, and cyclic thick wall butt welding piece is applicable to by simply debugging, be with a wide range of applications.
Description
Technical field
The invention belongs to welding technology field, more particularly, to a kind of thick-walled structure part ultra-narrow gap on-line checking and
Welding deviation synchronous compensator plant.
Background technique
With the rapid development of the modern industry, welding technique is as processing most important in modern manufacturing industry and Joining Technology
One of technology, using throughout wide industrial circles such as machine-building, aerospace, Marine engineering, architectural engineerings.Wherein melt
Changing weldering is that welding manner common in welding generally requires two kinds or more welding process and answered to improve welding quality
Close weldering.It is main at present to be set using modernize fusion welding device and be installed to the automations such as robot simultaneously in order to improve welding efficiency
Standby upper mode realizes automatic welding.Laser-electric arc automation compound welding technology can farthest play laser at present
With the advantage of two independent thermal sources of electric arc respectively, and the shortcomings that both can effectively avoid, be it is a kind of there is larger application before
The composite welding process mode of scape.
However, the factor for influencing weldquality in welding process is more, if carry out the welding of big wall thickness workpiece, need
Carry out the multilayer circulation welding that layer-by-layer heap adds, it is two workpiece welding surface machining accuracy of welding, flatness, the welding thermal deformation of preceding road, preceding
Road weld seam state (height and position), clamping position tolerance etc. can all influence the welding quality of welding point.It is connect to improve
Head quality, the mode of conventionally employed preparatory measurement two workpiece welding surface position of welding, by adjusting and control welding track and ensure
Welding quality.But this method can not accomplish synchronous detection control, and factors certain in welding process can not be detected in time
Control, and process is individually detected together because increasing, it causes welding efficiency lower, is unfavorable for factory's mass production.
To shorten processing process, needs to carry out on-line uninterruption detection to welding position, obtain the reality of welding position
When information.For example, CN201210325926 disclose it is a kind of based on infrared visual sensing narrow gap welding monitoring and weld seam it is inclined
Difference detection method, wherein passing through infrared vision system real-time detection weld seam deviation information.However, existing method may be because of laser
The acquisition of detection signal is impacted etc. strong light and reduces detection accuracy, and operating condition can not be carried out in time according to testing result
Adjustment, cannot improve welding quality.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of thick-walled structure part ultra-narrow gaps to exist
Line detection and welding deviation synchronous compensator plant, wherein to the specific knot of its key building block such as detection unit and welding unit
The linguistic term of structure and its set-up mode, while targeted design is made again to its integral structure layout, it accordingly can be effective
It realizes welding position on-line uninterruption detection compensation and welding position synchronization control, welding efficiency and quality can not only be improved,
And processing process can be shortened, reduce processing cost, it is therefore particularly suitable for the ultra-narrow gap welding of thick-walled structure part
Application.
To achieve the above object, the invention proposes a kind of thick-walled structure part ultra-narrow gap on-line checking and welding deviation are same
Walk compensation device, which is characterized in that including servo cross slid platform unit, detection unit and welding unit,
The left mounting surface of the servo cross slid platform unit and attachment base is affixed, for executing horizontal direction and vertical direction
Move freely；
The regulating arm of the detection unit and the front and back side of the attachment base are affixed, and are examined by installation braced frame, position
It surveys mechanism and height detection mechanism collectively constitutes, wherein it includes that structure is identical and preceding for the installation braced frame
The front vertical plate and back vertical plate being arranged symmetrically afterwards, the front vertical plate and the back vertical plate pass through the tune of shaft and respective side respectively
Joint arm connection, support rod couple with the shaft, which can rotate around the shaft；In addition, the front vertical plate and it is described after it is vertical
Plate has been respectively and fixedly connected with left mounting plate, middle mounting plate and right mounting plate；
For the position detecting mechanism, it by structure Left Angle detection components identical and symmetrically arranged on the left and the right and
Right angular detection components composition, the Left Angle detection components include the Left Angle sensor being installed on the left mounting plate,
The left probe of the left swing bar and the insertion left swing bar that couple with the shaft of the Left Angle sensor, and the left swing bar is logical
Tension spring is crossed to couple with the front vertical plate；The right angular detection components include the right angular sensing being installed on the right mounting plate
Device, the right probe of the right swing rod coupled with the shaft of the right angular sensor and the insertion right swing rod, and the right pendulum
Bar is coupled by tension spring with the back vertical plate；
In addition, it includes the displacement sensor being installed on the middle mounting plate for the height detection mechanism,
The height probe coupled with institute displacement sensors；
The right mounting surface of the welding unit and the attachment base is affixed, which passes through the servo cross slid platform
The online compensation of welding position is realized in the drive of unit.
As it is further preferred that the installation braced frame further includes the left adjusting that structure is identical and front and back is arranged symmetrically
Screw and right adjusting screw, the left adjusting screw and the right adjusting screw pass through the regulating arm and the front vertical plate and it is described after
Vertical plate limit contact；The angle of the detection unit is controlled by adjusting the left adjusting screw and the right height for adjusting screw,
It is particularly suitable for the welding of annular workpieces.
As it is further preferred that the installation braced frame further includes stiffening plate, increase the rigidity of structure.
As it is further preferred that spring built in institute's displacement sensors, the height probe and preceding road weld seam upper surface
The detection bar of institute's displacement sensors sets pre compressed magnitude when contact, it is ensured that the height probe has one in dynamic measurement process
Fixed reciprocating motion range.
As it is further preferred that the section of the left probe, the height probe and the right probe be it is round and
Diameter is identical.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, mainly have below
Technological merit:
1. the present invention detects welding ends by setting angular transducer and displacement sensor, and using the method for Mechanical Contact
Face left-right position and preamble weld bead height position not only have preferable reliability and accuracy, and cost is relatively low convenient for pushing away
It is wide to use；
2. detection unit one end of the invention simultaneously couples with servo cross slid platform, the other end couples with plumb joint, can root
According to the welding position of the interpolation arithmetic control plumb joint of the measurement data combination electric-control system of detection unit, to realize welding position
Set online deviation synchroballistic, effectively improve working efficiency while improving welding quality, not only simplify process flow and
Process time can substantially be shortened；
3. furthermore the present invention uses minor diameter probe as front end detecting element, it can be achieved that 1.5mm small―gap suture or more is wide
The detection of the butt welding piece position while welding of degree, and it is applicable not only to plate butt welding piece, ring-type is applicable to by simply debugging
Heavy wall butt welding piece, is with a wide range of applications.
Detailed description of the invention
Fig. 1 is the thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant constructed according to the present invention
Overall structure diagram；
Fig. 2 is more specifically to show the structural schematic diagram of the position detecting mechanism, and wherein Fig. 2 a is the mechanism
Main view, Fig. 2 b are the right view of the mechanism, and Fig. 2 c is the left view of the mechanism；
Fig. 3 is more specifically to show the structural schematic diagram of the height detection mechanism；
Fig. 4 is the operation schematic diagram of the invention applied in cyclic annular heavy wall butt welding piece, and wherein Fig. 4 a is right view, and Fig. 4 b is
Main view.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is the thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant constructed according to the present invention
Overall structure diagram, the as shown in Figure 1 device includes servo cross slid platform unit A, detection unit B and welding unit C,
It is characterized in that,
The left mounting surface of the servo cross slid platform unit A and attachment base 1 are affixed, for executing horizontal direction and vertical side
To move freely；
The regulating arm 2 of the detection unit B and the front and back side of the attachment base 1 are affixed, and by installation braced frame, position
Testing agency and height detection mechanism composition, wherein for the installation braced frame, it includes that structure is identical and front and back
The front vertical plate 8 and back vertical plate 23 being arranged symmetrically, and the front vertical plate 8 and the back vertical plate 23 respectively by shaft 6 with it is corresponding
The regulating arm 2 of side couples, and support rod 24 couples with the shaft 6, which can 6 rotation around the shaft；In addition, described
Front vertical plate 8 and the back vertical plate 23 have been respectively and fixedly connected with left mounting plate 10, middle mounting plate 12 and right mounting plate 19；
Fig. 2 is the structure chart of the position detecting mechanism, as shown in Fig. 2, the position detecting mechanism includes by identical and left
Left Angle detection components and right angular the detection components composition that the right side is arranged symmetrically, wherein the Left Angle detection components include installation
Left Angle sensor 9 on the left mounting plate 10, the left side coupled by special-shaped slot with the shaft of the Left Angle sensor 9
It swing rod 13 and is inserted into the 13 lower part round slot bore of left swing bar and by the left probe 14 that jackscrew couples, and the left swing bar 13
Coupled by tension spring 21 with the front vertical plate 8；The right angular detection components include the right side being installed on the right mounting plate 19
Angular transducer 20, the right swing rod 18 coupled by special-shaped slot with the shaft of the right angular sensor 20 and the insertion right pendulum
In 18 lower part round slot bore of bar and by jackscrew couple right probe 17, wherein the right swing rod 18 by 21 ' of tension spring and it is described after
Vertical plate 23 couples；
More specifically, tension spring 21 is connect with front vertical plate 8 and left swing bar 13 respectively by two lifting bolts 22, tension spring 21 connects
Enough pretightning forces are set when connecing and control left 27 welding surface of workpiece of left 14 end of probe contact, at this time the axis of left probe 14 and center
Line forms θ1Angle；21 ' of tension spring is connect with back vertical plate 23 and right swing rod 18 respectively by two 22 ' of lifting bolt, and 21 ' of tension spring connects
Enough pretightning forces are set when connecing controls right 25 welding surface of workpiece of right 17 end of probe contact；The axis of right probe 17 and center at this time
Line forms θ2Angle；
Fig. 3 is the structural schematic diagram of the height detection mechanism, as shown in figure 3, the height detection mechanism includes and institute
The affixed displacement sensor 11 of middle mounting plate 12 is stated, passes through the height that connector 15 couples with the detection bar of institute displacement sensors 11
Spend probe 16；
The right mounting surface of the welding unit C and the attachment base 1 are affixed, which passes through the servo cross
The online compensation of welding position is realized in the drive of slide unit unit A.
Further, the installation braced frame further includes left 4 He of adjusting screw that structure is identical and front and back is arranged symmetrically
Right adjusting screw 5, the left adjusting screw 4 and the right adjusting screw 5 pass through the regulating arm 2 and the front vertical plate 8 and back vertical plate
23 limit contacts；The angle of the detection unit B is controlled by adjusting the left adjusting screw 4 and the right height for adjusting screw 5,
It is particularly suitable for the welding of annular workpieces.
Further, the installation braced frame further includes stiffening plate 7, increases the rigidity of structure.
Further, when spring built in institute's displacement sensors 11, height probe 16 and preceding 26 upper surface of road weld seam contact
The detection bar of institute's displacement sensors 11 sets pre compressed magnitude, it is ensured that the height probe 16 has centainly in dynamic measurement process
Reciprocating motion range.
Further, the section of the left probe 14, the height probe 15 and the right probe 17 is round and straight
Diameter is identical.
The working principle of the position detecting mechanism are as follows: under the action of 21 prefastening force of tension spring, left 14 lower end of probe
Be close to left 27 sidewall weld face of workpiece, when t left 14 pivoting angle θ of probe1It can be read through Left Angle sensor 9, left workpiece
27 side wall Distance Theory disalignment distances are set as H1, offset can be calculated according to control system built-in algorithm formula
Numerical value (L1: test point to 9 axle center distance of Left Angle sensor；Left probe is straight
Diameter)；Similarly, it can be deduced that right 25 side wall Distance Theory disalignment numerical value of workpiece (L2: test point to 20 axle center distance of right angular sensor；Right probe diameter)；In this test point actual welds width
Distance is H=H1+H2；Control system acquisition position signal H in this point t1And H2, and according to interpolation algorithm built in system, to institute
When stating welding unit C and being moved to this welding, controls the servo cross slid platform unit A and move along the x axis (i.e. horizontal direction)
It is dynamic, it drives the welding unit C mobile and carries out the position compensation of horizontal direction, realize plumb joint in left and right workpiece middle position
Welding.
The working principle of the height detection unit are as follows: height probe 16 presets theoretical reading K after certain decrement, in t
It is K that Shi Gaodu probe 16, which measures preceding 26 height value of road weld seam,1, difference K '=K-K1, control system acquisition position letter in this point t
Number K1, and the servo cross is controlled when the welding unit C is moved to this welding according to interpolation algorithm built in system
Slide unit unit A is mobile along Z-direction (i.e. vertical direction), drives the welding unit C mobile and carries out upper and lower position compensation, controls
The plumb joint is made to weld in optimum height position.
When weldment is annular heavy section casting, thick-walled structure part ultra-narrow gap on-line checking provided by the invention and welding are inclined
The working principle of poor synchronous compensator plant is as shown in figure 4, required welding workpiece, left annular workpieces 28, right annular workpieces 29 are
Radius is R, and wall thickness is the round heavy section casting of F, and left annular workpieces 28, right annular workpieces 29 are around axis O in welding process1-O2Axis up time
Needle rotation；To guarantee that welding point P and detection position are equidistant to left annular workpieces 28,29 center of circle O of right annular workpieces, need at this time
It is rotated down left adjusting screw 4, rotates right adjusting screw 5 upwards, 6 rotation β angles, regulating arm 2 are downward around the shaft for testing agency
It is mobile, until 16 end of height probe and welding point P are R apart from left annular workpieces 28,29 center of circle O distance of right annular workpieces
Afterwards, locking completes the adjusting of annular workpieces testing agency position by the left adjusting screw 4 of nut check, right adjusting screw 5；Position and
Height detection compensation principle is as described above.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant, which is characterized in that including watching
Cross slid platform unit (A), detection unit (B) and welding unit (C) are taken,
The servo cross slid platform unit (A) and the left mounting surface of attachment base (1) are affixed, for executing horizontal direction and vertical side
To move freely；
The detection unit (B) by regulating arm (2) and the front and back side of the attachment base (1) it is affixed, and by installation braced frame,
Position detecting mechanism and height detection mechanism collectively constitute, wherein it includes structure phase for the installation braced frame
The front vertical plate (8) and back vertical plate (23) that same and front and back is arranged symmetrically, and the front vertical plate (8) and the back vertical plate (23) are respectively
Coupled by shaft (6) with the regulating arm (2) of respective side, support rod (24) couples with the shaft (6), the regulating arm
(2) it (6) can rotate around the shaft；In addition, the front vertical plate (8) and the back vertical plate (23) be respectively and fixedly connected with left mounting plate (10),
Middle mounting plate (12) and right mounting plate (19)；
For the position detecting mechanism, its Left Angle detection components and right corner identical and symmetrically arranged on the left and the right by structure
Detection components composition is spent, wherein the Left Angle detection components include the Left Angle sensing being installed on the left mounting plate (10)
Device (9), the left probe of the left swing bar (13) coupled with the shaft of the Left Angle sensor (9) and the insertion left swing bar (13)
(14), and the left swing bar (13) is coupled by tension spring (21) with the front vertical plate (8)；The right angular detection components are then wrapped
The right angular sensor (20) being installed on the right mounting plate (19) is included, is coupled with the shaft of the right angular sensor (20)
Right swing rod (18) and the insertion right swing rod (18) right probe (17), and the right swing rod (18) passes through tension spring (21 ')
Couple with the back vertical plate (23)；
In addition, it includes the displacement sensor being installed on the middle mounting plate (12) for the height detection mechanism
(11), the height probe (16) coupled with institute's displacement sensors (11)；
The welding unit (C) and the right mounting surface of the attachment base (1) are affixed, which passes through the servo ten
The online compensation of welding position is realized in the drive of word slide unit unit (A).
2. thick-walled structure part ultra-narrow gap on-line checking as described in claim 1 and welding deviation synchronous compensator plant, special
Sign is, the installation braced frame further includes the left adjusting screw (4) and right adjusting spiral shell that structure is identical and front and back is arranged symmetrically
It follows closely (5), left the adjustings screw (4) and the right adjusting screw (5) are across the regulating arm (2) and the front vertical plate (8) and described
Back vertical plate (23) limit contact；Described detection is controlled by adjusting the left height for adjusting screw (4) and right adjusting screw (5)
The angle of unit (B), is particularly suitable for the welding of annular workpieces.
3. thick-walled structure part ultra-narrow gap on-line checking as claimed in claim 1 or 2 and welding deviation synchronous compensator plant,
It is characterized in that, the installation braced frame further includes stiffening plate (7), increases the rigidity of structure.
4. the synchronous benefit of thick-walled structure part ultra-narrow gap on-line checking and welding deviation as described in claims 1 to 3 any one
Repay device, which is characterized in that on spring built in institute's displacement sensors (11), the height probe (16) and preceding road weld seam (26)
The detection bar that surface contacts when institute displacement sensors (11) sets pre compressed magnitude, it is ensured that the height probe (16) is surveyed in dynamic
There is certain reciprocating motion range during amount.
5. the synchronous benefit of thick-walled structure part ultra-narrow gap on-line checking and welding deviation as described in Claims 1 to 4 any one
Repay device, which is characterized in that the section of the left probe (14), the height probe (15) and the right probe (17) is circle
And diameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810989017.2A CN108971757B (en) | 2018-08-28 | 2018-08-28 | Thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989017.2A CN108971757B (en) | 2018-08-28 | 2018-08-28 | Thick-walled structure part ultra-narrow gap on-line checking and welding deviation synchronous compensator plant |
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| CN108971757A true CN108971757A (en) | 2018-12-11 |
| CN108971757B CN108971757B (en) | 2019-07-19 |
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| CN112496502A (en) * | 2020-11-30 | 2021-03-16 | 芜湖双翼液压件有限公司 | Double-station argon arc automatic welding equipment |
| CN113953661A (en) * | 2021-09-18 | 2022-01-21 | 四川国芯通智能科技有限公司 | Laser repair welding machine and repair welding method thereof |
| CN116612115A (en) * | 2023-07-18 | 2023-08-18 | 深圳市大族封测科技股份有限公司 | Bonding wire point compensation method and device, computer equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| CN108971757B (en) | 2019-07-19 |
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