CN101574752A - Device for detecting welding track of corrugated plate of container based on laser ranging - Google Patents
Device for detecting welding track of corrugated plate of container based on laser ranging Download PDFInfo
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- CN101574752A CN101574752A CNA200910015342XA CN200910015342A CN101574752A CN 101574752 A CN101574752 A CN 101574752A CN A200910015342X A CNA200910015342X A CN A200910015342XA CN 200910015342 A CN200910015342 A CN 200910015342A CN 101574752 A CN101574752 A CN 101574752A
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Abstract
The invention relates to a device for detecting the welding track of a corrugated plate of a container based on laser ranging, which comprises a laser displacement sensor and a welding gun position and posture adjusting device; one end of the welding gun spatial position and posture adjusting mechanism is fixed on a stand; the laser displacement sensor is arranged at the lower end of the welding gun spatial position and posture adjusting mechanism; and the laser displacement sensor and the welding gun position and posture adjusting device are connected with a circuit control device through circuits. Through the detection of a weld joint of the corrugated plate, the control of the position and the posture of the welding gun and the autocontrol of a welding process, the device achieves the effect of thickness consistency among downhill welding sections between wave peak and wave trough of the corrugated plate, an uphill welding section between the wave trough and the wave peak and a linear section of the wave peak and a linear section of the wave trough, remarkably improves the welding evenness of each welding section, greatly reduces the labor intensity of laborers, has rapid and convenient parameter adjustment and reduces the labor cost of production. The welding speed is more than three times of that of common manual welding or contour welding; and the whole process is automatically controlled.
Description
Technical field
The present invention relates to a kind of device for detecting welding track of corrugated plate of container, especially a kind of device for detecting welding track of corrugated plate of container based on laser ranging.
Background technology
At present, China is world container production big country, and the container manufacturing is the intensive industry of labour intensive, material.The production process of present China container, particularly the corrugated plating welding mainly is based on manual welding, mechanical profiling semi-automatic welding, the working environment of workers is poor, the labour intensity height, and welding quality is difficult to control, and the corrugated plating appearance of weld is of low quality, simultaneously owing to welding conditions in the welding process can't realize effectively following the tracks of adjusting, make the appearance of weld quality of different slopes section that tangible difference be arranged, be difficult to satisfy welding quality coherence request corrugated plating.These problems are a China's container welding profession long-term existence and the difficult problem that always is not resolved, the transformation of restriction person China container improvement of Manufacturing Technology and industry growth pattern.
In automation welding production process, because the complexity of welding model and actual welding condition often constantly change along with the various disturbing factors that can not expect.For example, strong arc light, high temperature, splash, mismachining tolerance, anchor clamps precision, the homogeneous media of workpiece and the influences such as thermal deformation in the welding production process of mechanical shaking, weld groove situation, workpiece can make the welding gun movement locus depart from actual welds, causes welding quality to be difficult to control.The first step of welding track Detection ﹠ Controling is exactly to detect the variation of weld seam curve in real time, it is the spatial variations of position while welding, as just needing to detect in real time the fluctuations of corrugated plating face in the automatic welding process of container corrugated plate, choosing for the tracking of welding track tracking control and welding conditions provides foundation; Second step of welding track Detection ﹠ Controling will be realized the variation of welding gun movement locus tracking weld seam curve, the i.e. control of Butt welding gun movement locus exactly.
In automatic welding process, accurately detecting the variation of obtaining weld seam is the key that guarantees welding quality, and the sensor technology that wherein is used for weld joint tracking is more and more important.In the research and development of welding track detection technique, various multi-form sensors have appearred successively, and wherein touch sensor, arc sensor and optical pickocff are used comparatively general.Touch sensor is the change in location of guide rod or guide wheel with the weld seam change transitions, and being converted into the signal of telecommunication, this sensor once was used widely aborning owing to stable performance, with low cost, because the restriction of tracking accuracy and speed has been not suitable for high accuracy, high-speed welding field; Arc sensor is a tracking target with the parameter of electric arc itself, can change by the real time reaction weld seam, but the influence that accuracy of detection is subject to mode of metal transfer in the welding process, splashes, especially in the welding to the butt joint of thin plate weldment and lap joint, application process is difficult to be grasped.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of simple in structure, device for detecting welding track of corrugated plate of container based on laser ranging that accuracy of detection is high is provided.
For achieving the above object, the present invention adopts following technical proposals:
A kind of device for detecting welding track of corrugated plate of container based on laser ranging, comprise laser displacement sensor and welding gun pose adjusting device, laser displacement sensor is connected with circuit control device by circuit with welding gun pose adjusting device, described welding gun locus and attitude-adjusting system one end are fixed on the frame, and laser displacement sensor is arranged at the lower end of welding gun locus and attitude-adjusting system.
Described welding gun locus and attitude-adjusting system comprise transverse moving mechanism, lifting regulating mechanism, swing mechanism and sensor fastening device, transverse moving mechanism one end is fixed on the frame, slide and be arranged on the transverse moving mechanism in lifting regulating mechanism top, lifting regulating mechanism is connected with sensor fastening device with swing mechanism respectively by frame entad, and sensor fastening device is provided with laser displacement sensor.
Described transverse moving mechanism comprises crossbearer base plate and the crossbearer end plate that be arranged in parallel, connect by horizontally disposed upper and lower channel-section steel between crossbearer base plate and the crossbearer end plate, be connected with horizontal hair thick stick and upper and lower feed rod between crossbearer base plate and the crossbearer end plate, an end of horizontal hair thick stick passes the crossbearer end plate and connects the horizontal handwheel that advances; Other end connection is positioned in the crossbearer base plate by horizontal hair thick stick bearing, and the crossbearer base plate is fixed on the frame.
Described lifting regulating mechanism comprises motor, vertical frame leading screw, sleeve pipe and vertical frame telescoping tube, motor is arranged on the upper end of sleeve pipe by motor cabinet, motor output shaft is connected with vertical frame leading screw one end by shaft coupling, vertical frame leading screw is arranged in sleeve pipe and the vertical frame telescoping tube, vertical frame telescoping tube upper part is arranged in the sleeve pipe, and vertical frame telescoping tube lower end is connected with frame entad; The sleeve pipe upper end is outside to be arranged on the horizontal hair thick stick and upper and lower feed rod of transverse moving mechanism by the sleeve pipe fastening frame; Motor is connected with circuit control device by lead;
Described sleeve pipe fastening frame is provided with horizontal hair thick stick nut and the through hole that matches with the horizontal hair thick stick and the upper and lower feed rod of transverse moving mechanism;
Described vertical frame telescoping tube upper end is connected with a vertical frame inner slide, and vertical frame inner slide is arranged in the sleeve pipe, is provided with the longitudinal sliding motion bearing between vertical frame telescoping tube and the sleeve pipe lower end, and the outer wall of vertical frame telescoping tube is provided with vertical guide rail.
Described entad frame falls L shaped flap and riser by one and connects to form by hinged joint and the outside bolt that is with spring, wherein, falling L shaped flap top and vertical frame telescoping tube connects as one, falling L shaped flap bottom is connected with riser by hinged joint, the upper end of riser is with spring by an outside bolt with fall L shaped flap and be connected, the lower end of riser is provided with an arc, and arc is provided with a deep-slotted chip breaker.
Described swing mechanism comprises upper and lower rocker, and the last rocker first half is provided with one one end opening cannelure, and card has an I shape slide block in the cannelure, is respectively equipped with a welding gun card and a screw on the Lower Half of last rocker; The first half of following rocker be provided with one with last rocker on the corresponding enclosed slot of cannelure, the latter half of following rocker is respectively equipped with and the entad upper and lower guide rail of the corresponding arc of arc and the hole of frame bottom; Between the upper and lower rocker by the rocker axle pass down the hole of rocker successively, entad the deep-slotted chip breaker of frame bottom and the screw of last rocker are connected, wherein, following rocker and entad being fastenedly connected by the nut on the rocker axle between the frame; Last rocker and the nut that entad passes through between the frame on the rocker axle flexibly connect; Be provided with an eccentric wheel in the I shape slide block, the enclosed slot that the output shaft of stepper motor passes down rocker is connected with eccentric wheel, and stepper motor is connected with circuit control device by lead; Welding gun fixes on last rocker by welding gun, and welding gun is connected with circuit control device by lead.
Described sensor fastening device comprises the laser head crossbearer, laser head crossbearer one end is connected with frame entad, be with the sideslip cover on the other end, sideslip puts and is provided with the slide plate vertical with the laser head crossbearer, be with a vertical sliding sleeve on the slide plate, vertical sliding sleeve is provided with laser displacement sensor, and laser displacement sensor is connected with signal processing apparatus by sensor cable.
The present invention obtains the information of weld seam by laser sensor, after handling, carry out track fitting through effective filtering, realize the detection of track, the present invention is through on-the-spot test weld, the track following effect has reached the set goal, improve container corrugated plate welding quality and welding efficiency, improved work situation.
The translational speed of welding gun has realized that each weldering section automaticallyes switch and has set among the present invention, the crest that reaches corrugated plating to the downward welding in the inclined position section between trough and trough to the weld seam thickness consistent effect of the uphill welding section between crest with crest straightway and trough straightway; Significantly improve the even weld of each weldering section, reduce working strength of workers greatly, it is quick, convenient that parameter is regulated.When operating personnel are skilled, but even one man operation two machines or multimachine, reduce productive manpower expense.Speed of welding is common manual welding or more than 3 times of profiling welding, and whole-course automation control is convenient to realize the streamlined operation.
Description of drawings
Fig. 1 is a mechanical detection means structural representation of the present invention;
Fig. 2 is the hinged joint structural representation;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the last rocker structural representation of swing mechanism;
Fig. 5 is the installation site figure of laser displacement sensor;
Fig. 6 is swing mechanism structural analysis figure;
Wherein 1. frames, 2. transverse moving mechanism, 3. lifting regulating mechanism, 4. swing mechanism, 5. sensor fastening device, 6. frame entad, 7. crossbearer base plate, 8. the crossbearer end plate is 9. gone up channel-section steel, 10. descend channel-section steel, 11. horizontal hair thick sticks, feed rod on 12,13. following feed rod, 14. horizontally advance handwheel, 15. horizontal hair thick stick bearings, 16. motor, 17. vertical frame leading screws, 18. sleeve pipes, 19 vertical frame telescoping tubes, 20. motor cabinets, 21. sleeve pipe fastening frames, 22. horizontal hair thick stick nut, 23. through holes, 24. vertical frame inner slides, 25. the longitudinal sliding motion bearing, 26. vertical guide rails, 27. fall L shaped flap, 28. riser, 29. hinged joints, 30. springs, 31. bolt, 32. arcs, 33. deep-slotted chip breakers, 34. last rocker, 35. times rockers, 36. cannelures, 37. the I shape slide block, 38. welding gun cards, 39. screws, 40. enclosed slot, 41. upper rails, 42. lower guideways, 43. the hole, 44. rocker axles, 45. eccentric wheels, 46. stepper motor .47. laser head crossbearer, 48. sideslip covers, 49. slide plates, 50. vertical sliding sleeve, 51. shaft coupling, 52. spacing striking plates, 53. limit switch brackets, 54. laser displacement sensor, 55. sensor cable, 56. laser beams, 57. output shafts.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Among Fig. 1-6, laser displacement sensor 54 is connected with circuit control device by circuit with welding gun pose adjusting device, described welding gun locus and attitude-adjusting system one end are fixed on the frame, and laser displacement sensor 54 is arranged at the lower end of welding gun locus and attitude-adjusting system.Welding gun lifting running part is driven welding gun and is done adjustment up and down by driven by servomotor in this mechanism.This mechanism allows the inclination angle of Butt welding gun to adjust simultaneously, to tackle the requirement of different welding procedures, also can realize the swing of zigzag welding wire, pendulous device adopts stepper motor to drive, by main controller controls, can realize control respectively to amplitude of fluctuation, swing speed, position, the left and right sides time of staying.
Described welding gun locus and attitude-adjusting system comprise transverse moving mechanism 2, lifting regulating mechanism 3, swing mechanism 4 and sensor fastening device 5, transverse moving mechanism 2 one ends are fixed on the frame 1, slide and be arranged on the transverse moving mechanism 2 in lifting regulating mechanism 3 tops, lift adjustment machine 3 structures are connected with sensor fastening device 5 with swing mechanism 4 respectively by frame 6 entad, and sensor fastening device 5 is provided with laser displacement sensor 54.
Described transverse moving mechanism 2 comprises crossbearer base plate 7 and the crossbearer end plate 8 that be arranged in parallel, connect by horizontally disposed upper and lower channel- section steel 9,10 between crossbearer base plate 7 and the crossbearer end plate 8, be connected with horizontal hair thick stick 11 and upper and lower feed rod 12,13 between crossbearer base plate 7 and the crossbearer end plate 8, an end of horizontal hair thick stick 11 passes crossbearer end plate 8 and connects the horizontal handwheel 14 that advances; Other end connection is positioned in the crossbearer base plate 7 by horizontal hair thick stick bearing 15, and crossbearer base plate 7 is fixed on the frame 1.
Described lifting regulating mechanism 3 comprises motor 16, vertical frame leading screw 17, sleeve pipe 18 and vertical frame telescoping tube 19, motor 16 is arranged on the upper end of sleeve pipe 18 by motor cabinet 20, motor output shaft is connected with vertical frame leading screw 17 1 ends by shaft coupling 51, vertical frame leading screw 17 is arranged in sleeve pipe 18 and the vertical frame telescoping tube 19, vertical frame telescoping tube 19 upper parts are arranged in the sleeve pipe 18, and vertical frame telescoping tube 19 lower ends are connected with frame 6 entad; Outside, sleeve pipe 18 upper end is arranged on the horizontal hair thick stick 11 and upper and lower feed rod 12,13 of transverse moving mechanism 2 by sleeve pipe fastening frame 21; Motor 16 is connected with circuit control device by lead; Outside, sleeve pipe 18 lower end is provided with limit switch bracket 53.
Described sleeve pipe fastening frame 21 is provided with horizontal hair thick stick nut 22 and the through hole 23 that matches with the horizontal hair thick stick 11 and the upper and lower feed rod 12,13 of transverse moving mechanism 2;
Described vertical frame telescoping tube 19 upper ends are connected with a vertical frame inner slide 24, and vertical frame inner slide 24 is arranged in the sleeve pipe 18, are provided with longitudinal sliding motion bearing 25 between vertical frame telescoping tube 19 and sleeve pipe 18 lower ends, and the outer wall of vertical frame telescoping tube 19 is provided with vertical guide rail 26.
Described entad frame 6 falls L shaped flap 27 and riser 28 by one and connects to form by hinged joint 29 and the outside bolt 31 that is with spring 30, wherein, falling L shaped flap 27 tops and vertical frame telescoping tube 19 connects as one, falling L shaped flap 27 bottoms is connected with riser 28 by hinged joint 29, the upper end of riser 28 is with spring 30 by an outside bolt 31 with fall L shaped flap 27 and be connected, the lower end of riser 28 is provided with an arc 32, and arc 32 is provided with a deep-slotted chip breaker 33.Falling the top of level board of L shaped flap 27 is provided with postive stop baffle 52.
Described swing mechanism 4 comprises upper and lower rocker 34,35, and last rocker 34 first halves are provided with one one end opening cannelure 36, and card has an I shape slide block 37 in the cannelure 36, is respectively equipped with a welding gun card 38 and a screw 39 on the Lower Half of last rocker 34; The first half of following rocker 35 be provided with one with last rocker 34 on cannelure 36 corresponding enclosed slots 40, the latter half of following rocker 35 is respectively equipped with and the entad upper and lower guide rail 41,42 of arc 32 corresponding arcs and the hole 43 of frame 6 bottoms; Between the upper and lower rocker 34,35 by rocker axle 44 pass down the hole 43 of rocker 35 successively, entad the deep-slotted chip breaker 33 of frame 6 bottoms and the screw 39 of last rocker 34 are connected, wherein, following rocker 35 and entad being fastenedly connected by the nut on the rocker axle 44 between the frame 6; Last rocker 34 and the nut that entad passes through between the frame 6 on the rocker axle 44 flexibly connect; Be provided with an eccentric wheel 45 in the I shape slide block 37, the enclosed slot 40 that the output shaft 57 of stepper motor 46 passes down rocker 35 is connected with eccentric wheel 45, and stepper motor 46 is connected with circuit control device by lead; Welding gun is fixed on the rocker 35 by welding gun card 38, and welding gun is connected with circuit control device by lead.
The torch swinging frequency can be set adjustment by the timing cycle of setting the timer in the microcontroller, for the accuracy that guarantees to adjust, system is after the adjustment instruction of receiving hunting frequency, and setting does not come into force, but, enable new timing parameters value at the oscillation center place of following one-period.The left and right sides holdup time is the time of staying of torch swinging to the left and right maximum amplitude of oscillation position that sets, and the setting of this parameter relies on the time-delay of timer to realize.
The influence factor of torch swinging amplitude has: the motor fixed position, the size of eccentric offset, the fixed position of swinging axle etc., the amplitude of fluctuation of the determined maximum of eccentric wheel that offset (eccentric point is to the distance in the eccentric wheel center of circle) is certain is certain, rotate under the drive continuously along a direction (clockwise or counterclockwise) at stepper motor, just realized the continuous swing under the maximum amplitude of oscillation.In order to realize the adjustable of amplitude of fluctuation, select for use eccentric full swing amplitude to be a bit larger tham actual application demand, the initial position of welding gun is a motor shaft center and slide block movement direction parallel with the eccentric wheel line of centres.With the initial position is mid point, and stepper motor is done left and right crankmotion.
Described sensor fastening device 5 comprises laser head crossbearer 47, laser head crossbearer 47 1 ends are connected with frame 6 entad, be with sideslip cover 48 on the other end, sideslip cover 48 is provided with the slide plate 49 vertical with laser head crossbearer 47, be with a vertical sliding sleeve 50 on the slide plate 49, vertical sliding sleeve 50 is provided with laser displacement sensor 54, and laser displacement sensor 54 is connected with signal processing apparatus by sensor cable 55.
The system works principle is:
Laser displacement sensor 54 is mounted on the laser head crossbearer 47, and the position of sensor is all adjustable by welding gun locus and attitude-adjusting system up and down, and this just provides more flexibility for the design of system.The detection position of sensor is ahead of the position of welding gun in the application, and concrete leading numerical value is relevant with real-time, the noise immunity of system.The course of work is as follows:
1. behind the track detection system electrifying startup, precise laser displacement transducer 54 passes through the height fluctuations that laser beam 56 detects corrugated platings in real time, and detected weld seam initial information data are transmitted microprocessor.
2. the track identification microprocessor is handled data signal, extracts the information of weld seam, and realization flex point (tie point of horizontal segment and go up a slope section, lower slope section) is differentiated; Realize the planning control (speed of welding, torch swinging speed, weldingvoltage, electric current etc.) of horizontal segment, upward slope section and lower slope section welding condition.
3. the TRAJECTORY CONTROL microprocessor is differentiated the result according to corrugated plating change in location that detects and flex point, and each reference axis is controlled in real time.Move by executing agency at last and regulate relative position relation between welding gun and the weld seam, promptly do up-down adjustment, thereby reach the purpose of weld joint tracking with driven by motor lifting shaft leading screw.
Owing to have downhand welding, uphill welding and downward welding in the inclined position, in the welding process, the liquid state of molten pool metal causes mobile different (uphill welding and downward welding in the inclined position have tangible influence to fusion penetration) in the different locus stressed difference of institute, makes appearance of weld be changed significantly in different sections (section of especially going up a slope).So, keep in the welding process that the molten bath is stable, appearance of weld is consistent, must make the deadweight in molten bath and the surface tension in blow force of arc and liquid molten bath reach balance.For addressing the above problem, in weld seam detection, system judges the position of flex point according to weld seam information, adopt different welding conditions (speed of welding, weldingvoltage, welding current etc.) in horizontal segment, the section of going up a slope respectively with lower slope section, and the level and smooth conversion of realization welding conditions, guarantee welding quality.
Claims (9)
1. the device for detecting welding track of corrugated plate of container based on laser ranging is characterized in that; Comprise laser displacement sensor and welding gun pose adjusting device, welding gun locus and attitude-adjusting system one end are fixed on the frame, laser displacement sensor is arranged at the lower end of welding gun locus and attitude-adjusting system, and laser displacement sensor is connected with circuit control device by circuit with welding gun pose adjusting device.
2. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 1, it is characterized in that: described welding gun locus and attitude-adjusting system comprise transverse moving mechanism, lifting regulating mechanism, swing mechanism and sensor fastening device, transverse moving mechanism one end is fixed on the frame, slide and be arranged on the transverse moving mechanism in lifting regulating mechanism top, lifting regulating mechanism is connected with sensor fastening device with swing mechanism respectively by frame entad, and sensor fastening device is provided with laser displacement sensor.
3. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 2 is characterized in that: described transverse moving mechanism comprises crossbearer base plate and the crossbearer end plate that be arranged in parallel.Connect by horizontally disposed upper and lower channel-section steel between crossbearer base plate and the crossbearer end plate, be connected with horizontal hair thick stick and upper and lower feed rod between crossbearer base plate and the crossbearer end plate, an end of horizontal hair thick stick passes the crossbearer end plate and connects the horizontal handwheel that advances; Other end connection is positioned in the crossbearer base plate by horizontal hair thick stick bearing, and the crossbearer base plate is fixed on the frame.
4. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 2, it is characterized in that: described lifting regulating mechanism comprises motor, vertical frame leading screw, sleeve pipe and vertical frame telescoping tube, motor is arranged on the upper end of sleeve pipe by motor cabinet, motor output shaft is connected with vertical frame leading screw one end by shaft coupling, vertical frame leading screw is arranged in sleeve pipe and the vertical frame telescoping tube, vertical frame telescoping tube upper part is arranged in the sleeve pipe, and vertical frame telescoping tube lower end is connected with frame entad; The sleeve pipe upper end is outside to be arranged on the horizontal hair thick stick and upper and lower feed rod of transverse moving mechanism by the sleeve pipe fastening frame; Motor is connected with circuit control device by lead.
5. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 4 is characterized in that: described sleeve pipe fastening frame is provided with horizontal hair thick stick nut and the through hole that matches with the horizontal hair thick stick and the upper and lower feed rod of transverse moving mechanism.
6. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 4, it is characterized in that: described vertical frame telescoping tube upper end is connected with a vertical frame inner slide, vertical frame inner slide is arranged in the sleeve pipe, be provided with the longitudinal sliding motion bearing between vertical frame telescoping tube and the sleeve pipe lower end, the outer wall of vertical frame telescoping tube is provided with vertical guide rail.
7. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 2, it is characterized in that: described entad frame falls L shaped flap and riser by one and connects to form by hinged joint and the outside bolt that is with spring, wherein, falling L shaped flap top and vertical frame telescoping tube connects as one, falling L shaped flap bottom is connected with riser by hinged joint, the upper end of riser is with spring by an outside bolt with fall L shaped flap and be connected, the lower end of riser is provided with an arc, and arc is provided with a deep-slotted chip breaker.
8. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 2, it is characterized in that: described swing mechanism comprises upper and lower rocker, the last rocker first half is provided with one one end opening cannelure, card has an I shape slide block in the cannelure, is respectively equipped with a welding gun card and a screw on the Lower Half of last rocker; The first half of following rocker be provided with one with last rocker on the corresponding enclosed slot of cannelure, the latter half of following rocker is respectively equipped with and the entad upper and lower guide rail of the corresponding arc of arc and the hole of frame bottom; Between the upper and lower rocker by the rocker axle pass down the hole of rocker successively, entad the deep-slotted chip breaker of frame bottom and the screw of last rocker are connected, wherein, following rocker and entad being fastenedly connected by the nut on the rocker axle between the frame; Last rocker and the nut that entad passes through between the frame on the rocker axle flexibly connect; Be provided with an eccentric wheel in the I shape slide block, the enclosed slot that the output shaft of stepper motor passes down rocker is connected with eccentric wheel, and stepper motor is connected with circuit control device by lead; Welding gun fixes on last rocker by welding gun, and welding gun is connected with circuit control device by lead.
9. the device for detecting welding track of corrugated plate of container based on laser ranging according to claim 2, it is characterized in that: described sensor fastening device comprises the laser head crossbearer, laser head crossbearer one end is connected with frame entad, be with the sideslip cover on the other end, sideslip puts and is provided with the slide plate vertical with the laser head crossbearer, be with a vertical sliding sleeve on the slide plate, vertical sliding sleeve is provided with laser displacement sensor, and laser displacement sensor is connected with signal processing apparatus by sensor cable.
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| CN200910015342XA CN101574752B (en) | 2009-05-21 | 2009-05-21 | Device for detecting welding track of corrugated plate of container based on laser ranging |
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| CN200910015342XA CN101574752B (en) | 2009-05-21 | 2009-05-21 | Device for detecting welding track of corrugated plate of container based on laser ranging |
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2009
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