CN114453745A - Preheating laser with double-ring structure - Google Patents
Preheating laser with double-ring structure Download PDFInfo
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- CN114453745A CN114453745A CN202210136827.XA CN202210136827A CN114453745A CN 114453745 A CN114453745 A CN 114453745A CN 202210136827 A CN202210136827 A CN 202210136827A CN 114453745 A CN114453745 A CN 114453745A
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- 238000003466 welding Methods 0.000 claims abstract description 157
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
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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
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a preheating laser with a double-ring structure, which comprises a double-ring laser welding head and a laser preheating head arranged in the advancing direction of a welding seam, wherein the laser preheating head can independently move along the welding seam through a first driving system to preheat the welding seam; and the second driving system is controlled by the temperature sensor to drive the laser preheating head to move to a position where the double-ring laser welding head stays along the opposite direction of the welding line when the temperature sensor detects that the welding line is unqualified in preheating in the welding process. When the laser preheating head and the double-ring laser welding head move synchronously, the laser preheating head can perform thermal compensation on the welding line with the preheating temperature not reaching the standard, so that the welding line is heated more uniformly, and the welding quality and efficiency are guaranteed.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a preheating laser with a double-ring structure.
Background
In the laser welding process, the laser power density is too high, a workpiece absorbs more laser energy in a short time, materials are seriously vaporized, the local temperature is too high, and welding spatter is easily formed due to violent molten pool reaction. Preheating has the effects of reducing the temperature difference of a welding joint area and reducing the internal stress generated in the welding process, so that the weldment to be welded generally needs to be preheated before laser welding so as to ensure the welding quality.
At present, Chinese patent discloses application No. 202011406902.7, which is named as a laser welding device with preheating function and a preheating welding method, and comprises a laser preheating system and a laser welding platform, wherein a large-size diameter laser beam of a semiconductor laser is adopted to preheat the welding seam of a welding piece, so that the welding piece with different structures and sizes can be heated, the applicability is strong, the heating efficiency is high, the preheating area is accurate, and the problems of preheating of redundant parts except the welding seam and the temperature difference between the inside and the outside do not exist in the welding piece. However, the laser preheating system and the laser welding platform are two completely independent systems, namely, each system needs a corresponding driving system and runs independently when moving mutually, the laser preheating system firstly acts to complete preheating, and the laser welding platform is put into operation to weld, but after the preheating of the weldment is completed, temperature loss can be generated in a short time, and if the temperature of the welding seam of the weldment to be welded is reduced to a preset value and cannot be compensated, the welding quality is directly influenced.
In view of the above, the present invention provides a pre-heating laser having a dual ring structure.
Disclosure of Invention
The present invention is directed to a pre-heating laser having a dual ring structure, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a preheating laser with a double-ring structure comprises a double-ring laser welding head and a laser preheating head arranged in the advancing direction of a welding seam, wherein the laser preheating head can independently move along the welding seam through a first driving system to preheat the welding seam; the double-ring laser welding head is provided with a temperature sensor for detecting preheating temperature, the temperature sensor is in signal connection with the first driving system, the double-ring laser welding head further comprises a second driving system for driving the laser preheating head to reciprocate along the direction of a welding seam, and the temperature sensor is in signal connection with the second driving system; in the welding process, when the temperature sensor detects that the welding seam is unqualified in preheating, the first driving system is controlled by the temperature sensor to stop moving, and the second driving system is controlled by the temperature sensor to drive the laser preheating head to move to the position where the double-ring laser welding head stays along the opposite direction of the welding seam.
Preferably, the laser preheating device further comprises a mounting plate, limiting slide rails are formed on two side walls inside the mounting plate along the length direction of the mounting plate, a movable plate is mounted inside the mounting plate, a gap is formed between the top of the movable plate and the top of the mounting plate, the movable plate is connected with the mounting plate in a sliding mode through the limiting slide rails on the two sides of the mounting plate, a first driving system comprises a first servo motor for fixing the top of the movable plate, a motor shaft of the first servo motor extends downwards along the vertical direction to penetrate through a gear fixedly connected to the rear of the movable plate, a rack is mounted on any inner side of the bottom of the mounting plate along the length direction of the mounting plate, the gear is meshed with the rack, and the laser preheating head is mounted in a concave groove in the bottom of the movable plate in a sliding mode.
Preferably, the second actuating system is including fixed mounting at the second servo motor at movable plate top and sliding block and the sliding frame of slidable mounting in movable plate concave groove inside, fixedly connected with plectane behind the movable plate is passed to second servo motor's motor shaft, be formed with the connection quarter butt along its radial extension on the periphery of plectane, the inside sliding connection of sliding frame has T type slider, it has the hinge bar to articulate between the bottom of T type slider and the bottom of being connected the quarter butt, the top of laser preheating head is connected in the bottom of sliding block through the spliced pole that sets up along vertical direction, the spliced pole links to each other through fixed connecting rod with one side of T type slider.
Preferably, the double-ring laser welding head is slidably mounted inside the mounting plate, and the double-ring laser welding head is detachably connected with the moving plate.
Preferably, the mounting plate is inboard to have the mount pad along its length direction's both ends fixed mounting, is connected with the guide bar between two mount pads, and dicyclo laser welding head's top fixedly connected with is the fixed block of rectangle structure, and the top and the inboard top sliding fit of mounting panel of fixed block are connected, and the fixed block cup joints on the guide bar and sliding connection with it.
Preferably, a push rod is fixedly connected to the side wall of the sliding block, facing the double-ring laser welding head, in the horizontal direction, a limiting groove matched with the taper portion of the push rod is formed in the side wall of the fixed block, and when the T-shaped sliding block slides to the end portion of the left side of the sliding frame, the push rod can extend to the outside of the moving plate.
Preferably, one end of the moving plate, which faces the double-ring laser welding head, is fixedly connected with a telescopic insertion rod along the horizontal direction, a positioning sleeve is formed at a position, corresponding to the insertion rod, on the side wall of the fixed block, and the insertion rod is inserted into the positioning sleeve in a telescopic mode and is connected with the positioning sleeve through electromagnetic adsorption.
Preferably, the double ring laser welding head (3) comprises a central laser head (301) and a ring laser head (302), the central laser head (301) being adapted to generate a central optical laser beam upon receiving the central optical analog signal, the ring laser head (302) being adapted to generate a ring optical laser beam upon receiving the ring optical analog signal.
Preferably, a connecting plate (26) is fixed on the side wall of the laser preheating head (4), an electric telescopic rod (27) is vertically fixed on the lower surface of the connecting plate (26), and a brush plate (28) is fixed at the lower end of the electric telescopic rod (27).
Compared with the prior art, the invention provides a preheating laser with a double-ring structure, which has the following beneficial effects:
(1) the laser preheating head and the double-ring laser welding head share one set of driving system, and the laser preheating head can independently move along a welding seam through the first driving system to preheat the welding seam. And the double-ring laser welding head can synchronously move along the welding line after being connected with the laser preheating head so as to complete the welding of the welding line, so that a driving system required by the movement of the double-ring laser welding head can be saved, and the production cost of the whole device can be reduced.
(2) When the laser preheating head and the double-ring laser welding head move synchronously, the temperature sensor on the double-ring laser welding head can monitor the welding seam in real time and control the first driving system and the second driving system to act, when the temperature sensor detects that the welding seam is unqualified in preheating, the first driving system is controlled by the temperature sensor to stop moving, the second driving system is controlled by the temperature sensor to drive the laser preheating head to move to the position where the double-ring laser welding head stays along the opposite direction of the welding seam, and the laser preheating head performs thermal compensation on the welding seam with unqualified preheating temperature, so that the welding seam is heated more uniformly, and the welding quality and efficiency are guaranteed.
(3) The invention carries out double-ring light emitting through the double-ring laser welding head, can greatly improve the welding efficiency, and has larger welding range.
(4) According to the invention, the brush plate is arranged, so that the welding seam can be cleaned before formal welding, and the cleanness of the whole welding environment can be ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural diagram of an entire apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the interior of the mounting plate in an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the moving plate according to the embodiment of the present invention;
FIG. 4 is a partial schematic view of another angle inside the mounting plate in accordance with an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the entire device of an embodiment of the present invention taken perpendicular to the longitudinal direction;
FIG. 6 is a schematic structural diagram of a dual ring laser welding head according to an embodiment of the present invention;
in the figure: 1. a support frame; 2. mounting a plate; 3. a double-ring laser welding head; 4. laser preheating heads; 5. a mounting seat; 6. a guide bar; 7. a limiting slide rail; 8. moving the plate; 9. a gear; 10. a circular plate; 11. a slider; 12. connecting a short rod; 13. a hinged lever; 14. a sliding frame; 15. a T-shaped slider; 16. fixing the connecting rod; 17. connecting columns; 18. a rack; 19. a first servo motor; 20. a fixed block; 21. a plug rod; 22. a positioning sleeve; 23. a push rod; 24. a temperature sensor; 25. a second servo motor, 26-connecting plate, 27-electric telescopic rod, 28-brush plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-6, the embodiment provides a dual-ring preheating laser, which includes a dual-ring laser welding head 3 and a laser preheating head 4 disposed in the advancing direction of the welding seam. The laser preheating head 4 independently moves along the welding line through the first driving system to preheat the welding line, the preheated laser preheating head 4 returns to the initial position, then the double-ring laser welding head 3 is connected with the laser preheating head 4, the double-ring laser welding head 3 and the laser preheating head 4 are connected into a whole, and then the double-ring laser welding head 3 and the laser preheating head 4 synchronously move along the welding line through the first driving drive to complete welding of the welding line. In order to monitor the temperature of the welding seam in real time before welding, a temperature sensor 24 for detecting the preheating temperature is mounted on the double-ring laser welding head 3, the temperature sensor 24 is in signal connection with a first driving system, and when the temperature sensor 24 detects that the preheating temperature of the welding seam does not reach the standard, the first driving system stops acting after receiving the signal. The invention also comprises a second driving system for driving the laser preheating head 4 to reciprocate along the direction of the welding seam, and the temperature sensor 24 is also in signal connection with the second driving system. In the welding process, when the temperature sensor 24 detects that the welding seam is unqualified in preheating, the first driving system is controlled by the temperature sensor 24 to stop moving, the second driving system is controlled by the temperature sensor 24 to act, the laser preheating head 4 is driven to move to the position where the double-ring laser welding head 3 stays along the opposite direction of the welding seam, and then the laser preheating head 4 carries out thermal compensation on the unqualified position again to enable the preheating temperature to reach a preset value.
Specifically, a connecting plate 26 is fixed on the side wall of the laser preheating head 4, an electric telescopic rod 27 is vertically fixed on the lower surface of the connecting plate 26, a brush plate 28 is fixed at the lower end of the electric telescopic rod 27, when the laser preheating head 4 preheats a welding seam, bristles below the brush plate 28 are made to contact with the surface of a workpiece to be welded by extending downwards through the electric telescopic rod 27, the brush plate 28 can be driven to move simultaneously in the process that the laser preheating head 4 moves along the welding seam independently through a first driving system, and the surface of the workpiece is cleaned.
Specifically, the double ring laser welding head 3 includes a center laser head 301 for generating a center light laser beam after receiving the center light analog signal, and a ring laser head 302 for generating a ring light laser beam after receiving the ring light analog signal. The central light laser beam is used for welding the welding seam, and the annular light laser beam is used for heat preservation and preheating of the circumference of the welding seam, so that the welding speed and quality are improved.
Specifically, the first driving system in this embodiment includes a first servo motor 19 fixed on the top of the moving plate 8, a motor shaft of the first servo motor 19 extends downward through the moving plate 8 along a vertical direction and is fixedly connected with a gear 9, any inner side of the bottom of the mounting plate 2 is provided with a rack 18 along a length direction thereof, the gear 9 is engaged with the rack 18, in addition, two side walls inside the mounting plate 2 are formed with limit slide rails 7 along the length direction thereof, the moving plate 8 is slidably connected with the mounting plate 2 through the limit slide rails 7 on two sides of the mounting plate 2, the gear 9 is driven to rotate by the first servo motor 19, and the gear 9 is engaged with the rack 18 so as to drive the moving plate 8 to slide inside the mounting plate 2, it should be noted that a gap is formed between the top of the moving plate 8 and the top of the mounting plate 2, and the top of the first servo motor 19 is located in the gap and is prevented from contacting with the top of the mounting plate 2, interference is prevented when the moving plate 8 slides with respect to the mounting plate 2.
This application is before welding the welding seam, laser preheating head 4 at first can carry out whole preheating to it along the welding seam, treat after the preheating, dicyclo laser welder head 3 acts and begins to weld the welding seam, but the welding needs a process, at this in-process, the temperature of welding seam can descend, consequently, can cause the preheating temperature of welding seam to be less than the default, consequently, just need be at the welded in-process, continue to carry out thermal compensation through laser preheating head 4 timely position unqualified to the temperature, in-process at thermal compensation, just need dicyclo laser welder head 3 can stop or even return a section distance forward, laser preheating head 4 moves to unqualified place through second actuating system.
The second driving system comprises a second servo motor 25 fixedly arranged at the top of the moving plate 8, a sliding block 11 and a sliding frame 14 which are slidably arranged in a concave groove of the moving plate 8, a motor shaft of the second servo motor 25 penetrates through the moving plate 8 and then is fixedly connected with a circular plate 10, a connecting short rod 12 is formed on the circumferential surface of the circular plate 10 along the radial extension of the circular plate, a T-shaped sliding block 15 is slidably connected in the sliding frame 14, a hinge rod 13 is hinged between the bottom of the T-shaped sliding block 15 and the bottom of the connecting short rod 12, the top of the laser preheating head 4 is connected to the bottom of the sliding block 11 through a connecting column 17 arranged along the vertical direction, the connecting column 17 is connected with one side of the T-shaped sliding block 15 through a fixed connecting rod 16, when the second driving system operates, the second servo motor 25 drives the circular plate 10 to rotate, the connecting short rod 12 drives the T-shaped sliding block 15 to slide in the sliding frame 14 in a reciprocating manner through the hinge rod 13, the T-shaped slider 15 drives the sliding block 11 to slide back and forth along the inner part of the moving plate 8 through the fixed connecting rod 16 during the sliding process in the sliding frame 14.
The inboard both ends fixed mounting who follows its length direction of mounting panel 2 has mount pad 5, is connected with guide bar 6 between two mount pads 5, and the top fixedly connected with of dicyclo laser welding head 3 is the fixed block 20 of rectangle structure, and the top of fixed block 20 is connected with the inboard top sliding fit of mounting panel 2, and fixed block 20 cup joints on guide bar 6 and sliding connection with it. One end, facing the double-ring laser welding head 3, of the moving plate 8 is fixedly connected with a telescopic insertion rod 21 in the horizontal direction, a positioning sleeve 22 is formed at a position, corresponding to the insertion rod 21, on the side wall of the fixing block 20, the insertion rod 21 is inserted into the positioning sleeve 22 in a telescopic mode and is connected with the positioning sleeve 22 through electromagnetic adsorption, after the welding seam is preheated, the two insertion rods 21 at the end part of the moving plate 8 are inserted into the positioning sleeve 22 at the top of the double-ring laser welding head 3, the double-ring laser welding head 3 and the moving plate 8 can be connected into a whole through an electromagnetic adsorption mode, the double-ring laser welding head 3 and the laser preheating head 4 can slide along the mounting plate 2 through a first driving system, and then welding operation of the welding seam is completed.
A push rod 23 is fixedly connected on the side wall of the slide block 11 facing the double-ring laser welding head 3 along the horizontal direction, a limit groove matched with the taper part of the push rod 23 is formed on the side wall of the fixed block 20, when the temperature sensor 24 detects that the temperature at the welding seam does not reach the standard, which sends a signal to the first servo motor 19 and the second servo motor 25, the first servo motor 19 stops operating, the second servo motor 25 is started, the second servo motor 25 drives the laser preheating head 4 to move towards the double-ring laser welding head 3, in order to make the push rod 23 on the slide block 11 smoothly push the double-ring laser welding head 3 to slide backwards along the guide rod 6, the length of the push rod 23 needs to be moved first in the application, that is, when the T-shaped slider 15 slides to the end of the left side of the sliding frame 14, the push rod 23 must be extended to the outside of the moving plate 8, so as to push the fixed block 20.
The invention provides a preheating laser with a double-ring structure, which can complete the preheating and welding of welding seams, when in work, a first servo motor 19 is started to drive a gear 9 to rotate, the gear 9 is meshed with a rack 18, so that a movable plate 8 is driven to slide in a mounting plate 2, a T-shaped slide block 15 is positioned at the rightmost side of a sliding frame 14 in an initial state, a second servo motor 25 does not work, a laser preheating head 4 and the movable plate 8 synchronously move to complete the preheating of the welding seams, then the first servo motor 19 rotates reversely to return the laser preheating head 4 to an initial position, an insertion rod 21 at the tail end of the movable plate 8 is inserted into a positioning sleeve 22 on a fixed block 20, an electromagnetic adsorption block in the positioning sleeve 22 acts to firmly adsorb the electromagnetic adsorption blocks by adopting the prior art, which is not shown in the drawing, so that the movable plate 8 and the double-ring laser welding head 3 form a whole, at the moment, the first servo motor 19 is started again to drive the double-ring laser welding head 3 and the moving plate 8 to move synchronously along the mounting plate 2, the temperature sensor 24 on the double-ring laser welding head 3 monitors the temperature at the welding seam in the working state, if the monitored preheating temperature reaches the standard, the double-ring laser welding head 3 acts to finish welding, if the temperature at the welding seam is not detected to reach the standard, the first servo motor 19 stops acting, the second servo motor 25 starts to drive the circular plate 10 to rotate, the T-shaped sliding block 15 is driven to slide in the sliding frame 14 towards the direction of the double-ring laser welding head 3, the push rod 23 at one side of the sliding block 11 slides out of the moving plate 8 and then is inserted into the limiting groove in the fixed block 20 to jack the double-ring laser welding head 3, so that the double-ring laser welding head 3 slides towards the side opposite to the advancing direction until the laser preheating head 4 moves to the position where the welding seam temperature does not reach the standard, the laser preheating head 4 is started to carry out temperature compensation on the laser preheating head, after the temperature of the laser preheating head is qualified, the first servo motor 19 is started to drive the double-ring laser welding head 3 and the moving plate 8 to move forwards again until the whole welding line is welded, and then the first servo motor 19 reversely rotates to drive the double-ring laser welding head 3 and the moving plate 8 to return to the initial positions for the next operation.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and alterations can be made to these embodiments without departing from the spirit and scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a preheat laser instrument with dicyclo structure, including dicyclo laser welding head (3) and set up in laser preheating head (4) of welding seam advancing direction, its characterized in that: the laser preheating head (4) can independently move along the welding line through the first driving system to preheat the welding line, the double-ring laser welding head (3) is connected with the laser preheating head (4) and then can synchronously move along the welding line to weld the welding line, and selective thermal compensation is carried out on the welding line when the laser preheating head (4) and the double-ring laser welding head (3) synchronously move; the double-ring laser welding head (3) is provided with a temperature sensor (24) for detecting preheating temperature, the temperature sensor (24) is in signal connection with the first driving system, the double-ring laser welding head further comprises a second driving system for driving the laser preheating head (4) to reciprocate along the direction of a welding seam, and the temperature sensor (24) is in signal connection with the second driving system; in the welding process, when the temperature sensor (24) detects that the welding seam is unqualified in preheating, the first driving system is controlled by the temperature sensor (24) to stop moving, and the second driving system is controlled by the temperature sensor (24) to drive the laser preheating head (4) to move to the position where the double-ring laser welding head (3) stays along the opposite direction of the welding seam.
2. A pre-heating laser having a dual ring structure as claimed in claim 1, wherein: also comprises a mounting plate (2), two side walls inside the mounting plate (2) are provided with limiting slide rails (7) along the length direction, a movable plate (8) is arranged inside the mounting plate (2), and a gap is formed between the top of the movable plate (8) and the top of the mounting plate (2), the movable plate (8) is connected with the mounting plate (2) in a sliding mode through limiting sliding rails (7) on two sides of the mounting plate (2), a first driving system comprises a first servo motor (19) for fixing the top of the movable plate (8), a motor shaft of the first servo motor (19) downwards extends through a gear (9) fixedly connected behind the movable plate (8) along the vertical direction, a rack (18) is installed on any inner side of the bottom of the mounting plate (2) along the length direction of the inner side, the gear (9) is meshed with the rack (18), and the laser preheating head (4) is slidably installed in a concave groove in the bottom of the movable plate (8).
3. A pre-heating laser having a dual ring structure as claimed in claim 2, wherein: the second driving system comprises a second servo motor (25) fixedly mounted at the top of the moving plate (8) and a sliding block (11) and a sliding frame (14) which are slidably mounted inside a concave groove of the moving plate (8), a motor shaft of the second servo motor (25) penetrates through the moving plate (8) and then is fixedly connected with a circular plate (10), a connecting short rod (12) is formed on the circumferential surface of the circular plate (10) along the radial extension of the circular plate, a T-shaped sliding block (15) is slidably connected inside the sliding frame (14), a hinged rod (13) is hinged between the bottom of the T-shaped sliding block (15) and the bottom of the connecting short rod (12), the top of the laser preheating head (4) is connected to the bottom of the sliding block (11) through a connecting column (17) arranged in the vertical direction, and the connecting column (17) is connected with one side of the T-shaped sliding block (15) through a fixed connecting rod (16).
4. A pre-heat laser with a double ring structure according to claim 2, characterized in that the double ring laser welding head (3) is slidably mounted inside the mounting plate (2) and the double ring laser welding head (3) is detachably connected to the moving plate (8).
5. A pre-heating laser having a dual ring structure as claimed in claim 4, wherein: mounting panel (2) inboard both ends fixed mounting along its length direction has mount pad (5), is connected with guide bar (6) between two mount pads (5), and the top fixedly connected with of dicyclo laser welding head (3) is fixed block (20) of rectangle structure, and the top of fixed block (20) is connected with the inboard top sliding fit of mounting panel (2), and fixed block (20) cup joint on guide bar (6) and sliding connection with it.
6. A pre-heat laser having a dual ring structure as claimed in claim 5, wherein: the side wall of one side, facing the double-ring laser welding head (3), of the sliding block (11) is fixedly connected with a push rod (23) along the horizontal direction, a limiting groove matched with the conical part of the push rod (23) is formed in the side wall of the fixed block (20), and when the T-shaped sliding block (15) slides to the end part of the left side of the sliding frame (14), the push rod (23) can extend to the outside of the moving plate (8).
7. A pre-heat laser having a dual ring structure as claimed in claim 5 or 6, wherein: one end of the moving plate (8) facing the double-ring laser welding head (3) is fixedly connected with a telescopic insertion rod (21) along the horizontal direction, a positioning sleeve (22) is formed at the position, corresponding to the insertion rod (21), on the side wall of the fixing block (20), and the insertion rod (21) is inserted into the positioning sleeve (22) in a telescopic mode and is connected with the positioning sleeve (22) through electromagnetic adsorption.
8. A pre-heating laser having a dual ring structure as claimed in claim 1, wherein: the double ring laser welding head (3) comprises a central laser head (301) for generating a central optical laser beam upon receiving the central optical analog signal and a ring laser head (302) for generating a ring optical laser beam upon receiving the ring optical analog signal.
9. A pre-heat laser having a dual ring structure as claimed in claim 1, wherein: a connecting plate (26) is fixed on the side wall of the laser preheating head (4), an electric telescopic rod (27) is vertically fixed on the lower surface of the connecting plate (26), and a brush plate (28) is fixed at the lower end of the electric telescopic rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136827.XA CN114453745B (en) | 2022-02-15 | 2022-02-15 | Preheating laser with double-ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136827.XA CN114453745B (en) | 2022-02-15 | 2022-02-15 | Preheating laser with double-ring structure |
Publications (2)
| Publication Number | Publication Date |
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| CN114453745A true CN114453745A (en) | 2022-05-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302140A (en) * | 2022-08-30 | 2022-11-08 | 阜阳安固锅炉压力容器制造有限公司 | Welding method of 15CrMoR steel reactor |
| CN117245265A (en) * | 2023-11-14 | 2023-12-19 | 泰州市宏达工矿***件有限公司 | Welding tool and welding process for oversized bucket |
| CN117921256A (en) * | 2024-01-31 | 2024-04-26 | 武冈市永锐电子科技有限公司 | Via hole electric connector assembly and processing equipment thereof |
| CN118023706A (en) * | 2024-04-15 | 2024-05-14 | 恒超源洗净科技(深圳)有限公司 | Ultrasonic wave preheating laser welding equipment for welding aluminum-based composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270899A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | The welding material laser soldering device of various material composition and welding method |
| CN210172874U (en) * | 2019-06-20 | 2020-03-24 | 中车株洲电力机车有限公司 | Automatic welding system for bogie frame |
| CN112719582A (en) * | 2020-12-04 | 2021-04-30 | 上海航天设备制造总厂有限公司 | Laser welding device with preheating function and preheating welding method |
| CN214218862U (en) * | 2021-01-11 | 2021-09-17 | 董欣 | Laser cladding equipment with synchronous induction heating device |
-
2022
- 2022-02-15 CN CN202210136827.XA patent/CN114453745B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270899A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | The welding material laser soldering device of various material composition and welding method |
| CN210172874U (en) * | 2019-06-20 | 2020-03-24 | 中车株洲电力机车有限公司 | Automatic welding system for bogie frame |
| CN112719582A (en) * | 2020-12-04 | 2021-04-30 | 上海航天设备制造总厂有限公司 | Laser welding device with preheating function and preheating welding method |
| CN214218862U (en) * | 2021-01-11 | 2021-09-17 | 董欣 | Laser cladding equipment with synchronous induction heating device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302140A (en) * | 2022-08-30 | 2022-11-08 | 阜阳安固锅炉压力容器制造有限公司 | Welding method of 15CrMoR steel reactor |
| CN117245265A (en) * | 2023-11-14 | 2023-12-19 | 泰州市宏达工矿***件有限公司 | Welding tool and welding process for oversized bucket |
| CN117245265B (en) * | 2023-11-14 | 2024-01-30 | 泰州市宏达工矿***件有限公司 | Welding tool and welding process for oversized bucket |
| CN117921256A (en) * | 2024-01-31 | 2024-04-26 | 武冈市永锐电子科技有限公司 | Via hole electric connector assembly and processing equipment thereof |
| CN118023706A (en) * | 2024-04-15 | 2024-05-14 | 恒超源洗净科技(深圳)有限公司 | Ultrasonic wave preheating laser welding equipment for welding aluminum-based composite material |
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