CN103341690B - Numerical-control adjustable hard alloy double-light-beam welding device and welding method thereof - Google Patents
Numerical-control adjustable hard alloy double-light-beam welding device and welding method thereof Download PDFInfo
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- CN103341690B CN103341690B CN201310276641.5A CN201310276641A CN103341690B CN 103341690 B CN103341690 B CN 103341690B CN 201310276641 A CN201310276641 A CN 201310276641A CN 103341690 B CN103341690 B CN 103341690B
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Abstract
The invention relates to a welding device, in particular to a numerical-control adjustable hard alloy double-light-beam welding device and welding method of the numerical-control adjustable hard alloy double-light-beam welding device. A laser head is arranged in a connector, a preheating tempering laser head mechanism fixed with the connector is arranged on one side of the connector, a balancing weight is arranged on the other side of the connector, the upper portion of the laser head is adjusted and rotated through a rotating mechanism, the laser head is cooled through a cooling system, and the laser head is blown through a blowing mechanism. The method comprises the following steps of carrying out preparation before welding, rotating the preheating tempering laser head mechanism and carrying out welding along tracks. The numerical-control adjustable hard alloy double-light-beam welding device and welding method of the numerical-control adjustable hard alloy double-light-beam welding device is compact in structure, greatly reduces machining time, sharply reduces machining cost, greatly improves productivity, and is high in automation degree, machining precision and working efficiency.
Description
Technical field
The present invention relates to a kind of welder, particularly relate to a kind of numerical control adjustable carbide alloy dual-beam welder and welding method thereof.
Background technology
During current employing high power laser light beam welding, because its energy density is high, welded piece stands the thermal cycle effect of Fast Heating and cooling, and make region, Seam and heat effected zone extremely narrow, its hardness is far away higher than mother metal.Therefore, the plasticity of this welded seam area is lower, easily produces embrittlement phenomenon.In order to reduce the hardness of welding region, general needs takes to weld the corresponding technological measure such as front preheating and postwelding tempering, causes that processing technology is many, long processing time, processing cost are high.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, a kind of compact conformation is provided, preheating and the device welding rear tempering before welding can be provided when laser weld, shorten process time greatly, significantly cut down finished cost, boost productivity greatly, this device adopts digital control system, the processing action of the whole equipment of automatic control, machining accuracy is high, the numerical control that operating efficiency is high adjustable carbide alloy dual-beam welder and welding method thereof.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of numerical control adjustable carbide alloy dual-beam welder, comprise connector, laser head is provided with in described connector, upper end in described laser head is provided with the first lens, middle-end in described laser head is provided with the second lens, lower end in described laser head is provided with the 3rd lens, the side of described connector is provided with the preheating tempering laser head mechanism fixed with it, the opposite side of described connector is provided with balancing weight, the top of described laser head regulates rotation mutually by rotating mechanism, described laser head is cooled mutually by cooling system, described laser head is blown mutually by inflatable body,
Described preheating tempering laser head mechanism comprises the longitudinal numerical control chain-wales of one dimension, the horizontal numerical control chain-wales of one dimension, digital controlled rotary chain-wales and preheating tempering laser head, the lateral wall of described connector and the longitudinal numerical control chain-wales of one dimension are fixedly connected, the digital controlled rotary chain-wales of phase longitudinal sliding motion is with it provided with in the longitudinal numerical control chain-wales of described one dimension, described digital controlled rotary chain-wales is laterally slided with it mutually by the horizontal numerical control chain-wales of one dimension, described digital controlled rotary chain-wales is provided with the preheating tempering laser head rotating with it and connect, the afterbody of described preheating tempering laser head is connected with preheating optical fiber,
Described rotating mechanism comprises main connecting plate, the lateral wall of described main connecting plate is provided with the numerical control slowspeed machine fixed with it, the bottom of described numerical control slowspeed machine is provided with the driving gear rotated with it, the afterbody of described laser head is located in main connecting plate, the upper end of described laser head is provided with the driven gear of the transmission that to be meshed with driving gear, by accurate thrust ball bearing and accurate deep groove ball bearing phase control between described laser head and main connecting plate, the afterbody of described laser head is connected with welding optical fiber;
Described cooling system comprises cooling fluid inlet pipe and cooling fluid goes out pipe, the laser head lateral wall of the first described lens is provided with the first radiator coil tube be connected with cooling fluid inlet pipe, the laser head lateral wall of the second described lens is provided with the second radiator coil tube be connected with the first radiator coil tube, the laser head lateral wall of the 3rd described lens is provided with the 3rd radiator coil tube be connected with the second radiator coil tube, and the 3rd described radiating tube goes out pipe with cooling fluid and is connected;
Described inflatable body comprises gas blow pipe, the corresponding distribution of light velocity Rendezvous Point of described gas blow pipe and laser head.
As preferably, the first described lens and the spacing of the second lens are 3mm, and the spacing of the second described lens and the 3rd lens is 3mm;
The longitudinal numerical control chain-wales of described one dimension and the horizontal numerical control chain-wales of one dimension, respectively by digital controlled rotary motor phase control, are provided with aluminium alloy connecting plate between described preheating tempering laser head and digital controlled rotary chain-wales;
Described driving gear and numerical control slowspeed machine are locked by locking screw parent phase, described driven gear engages in part with driving gear, axle lining is provided with between described driven gear and main connecting plate, described accurate deep groove ball bearing is positioned at the top of accurate thrust ball bearing, the top of described accurate deep groove ball bearing is provided with adjusting nut, and described accurate deep groove ball bearing and accurate thrust ball bearing are by adjusting nut phase regulable control;
The diameter of the first described radiator coil tube is 4mm, and the diameter of the second described radiator coil tube is 4mm, and the diameter of the 3rd described radiator coil tube is 4mm, and the diameter of described cooling fluid inlet pipe is 4 ~ 6mm, and the diameter that described cooling fluid goes out pipe is 4 ~ 6mm;
The head of described gas blow pipe is provided with bending part, and described gas blow pipe is provided with and is attached thereto logical air gauge, and described gas blow pipe is connected with air compressor,
As preferably, the number of teeth of described driven gear is 15, and the diameter of described driven gear is 45mm, and the number of teeth of described driving gear is 15, and the diameter of described driving gear is 45mm;
The displacement of the longitudinal numerical control chain-wales of described one dimension is 30mm, and the displacement of the horizontal numerical control chain-wales of described one dimension is 30mm, and described preheating tempering laser head can be 30 ~ 60 degree of rotations with digital controlled rotary chain-wales;
Be provided with heat radiation cavity in described connector, the second described radiator coil tube is arranged in heat radiation cavity, between the longitudinal numerical control chain-wales of described one dimension and connector, fixes respectively by bolt between connector and balancing weight;
The lower end outside wall of described laser head is provided with gear adapter ring outwardly, and described gear adapter ring keeps off mutually with the bottom of connector and connecing, and described laser head presents lower vertical distribution, and described main connecting plate is L-shaped;
The quality of described balancing weight is 10kg, and the material of described connector is aluminium alloy.
The welding method of numerical control adjustable carbide alloy dual-beam welder, carry out according to the following steps:
(1) preparation, before welding:
Before Product jointing, first with compressed air, machined surface is cleaned out, compressed-air actuated pressure is 2 ~ 3Mpa, the time of compressed-air actuated air blowing covers whole welding process, compressed air in gas blow pipe must filter with dry through air adjustment combination, then the longitudinal numerical control chain-wales of one dimension is regulated, the horizontal numerical control chain-wales of one dimension and digital controlled rotary chain-wales, the preheating time of preheating tempering laser head is 5 ~ 8S, the preheat temperature of preheating tempering laser head is chosen according to workpiece material, angle between preheating tempering laser head and laser head is 30 ~ 45 °, preheating tempering laser head is adjusted to operating position,
(2), preheating tempering laser head rotates:
Open numerical control slowspeed machine, driving gear drives driven gear, and driven gear drives laser head to rotate, and laser head band movement connector rotates, and connector drives preheating tempering laser head to rotate, and the speed that preheating tempering laser head rotates is 1.5m/min;
(3), weld by track:
Preheating tempering laser head is made to do the reciprocating rotary of 360 ° around laser head, product is made to carry out preheating and tempering while welding, laser head welds along predetermined welding track, during welding, generating device of laser is on state, and cooling system is in opening, and the temperature of cooling water is 20 DEG C, compressed air has to pass through air filtration combination, and pressure is 2Mpa;
Before starting welding, must determine that the laser head hot spot of laser weld mechanism is in focal position, focal position is 125mm, and the laser head hot spot of weld preheating and postwelding tempering mechanism must be in out of focus position, focal length is 150mm, and numerical control slowspeed machine rotating speed is 1.5m/min;
During welding, in laser head, the temperature of the first lens, the second lens and the 3rd lens changes along with laser output power size, and the flowing velocity of cooling fluid inlet pipe is 0.3m/s, and the flowing velocity that cooling fluid goes out pipe is 0.3m/s;
During welding, use with CO
2or CO
2the mist of+Ar is as protective gas.
Therefore, numerical control of the present invention adjustable carbide alloy dual-beam welder and welding method thereof, compact conformation, shortens process time greatly, significantly cuts down finished cost, and boosts productivity greatly, and automaticity is high, and machining accuracy is high, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of numerical control adjustable carbide alloy dual-beam welder, comprise connector 1, laser head 2 is provided with in described connector 1, upper end in described laser head 2 is provided with the first lens 3, middle-end in described laser head 2 is provided with the second lens 4, lower end in described laser head 2 is provided with the 3rd lens 5, the side of described connector 1 is provided with the preheating tempering laser head mechanism fixed with it, the opposite side of described connector 1 is provided with balancing weight 6, the top of described laser head 2 regulates rotation mutually by rotating mechanism, described laser head 2 is cooled mutually by cooling system, described laser head 2 is blown mutually by inflatable body,
Described preheating tempering laser head mechanism comprises the longitudinal numerical control chain-wales 7 of one dimension, the horizontal numerical control chain-wales 8 of one dimension, digital controlled rotary chain-wales 9 and preheating tempering laser head 10, the lateral wall of described connector 1 and the longitudinal numerical control chain-wales 7 of one dimension are fixedly connected, the digital controlled rotary chain-wales 9 of phase longitudinal sliding motion is with it provided with in the longitudinal numerical control chain-wales 7 of described one dimension, described digital controlled rotary chain-wales 9 is laterally slided with it mutually by the horizontal numerical control chain-wales 8 of one dimension, described digital controlled rotary chain-wales 9 is provided with the preheating tempering laser head 10 rotating with it and connect, the afterbody of described preheating tempering laser head 10 is connected with preheating optical fiber 11,
Described rotating mechanism comprises main connecting plate 12, the lateral wall of described main connecting plate 12 is provided with the numerical control slowspeed machine 13 fixed with it, the bottom of described numerical control slowspeed machine 13 is provided with the driving gear 14 rotated with it, the afterbody of described laser head 2 is located in main connecting plate 12, the upper end of described laser head 2 is provided with the driven gear 15 of the transmission that to be meshed with driving gear 14, by accurate thrust ball bearing 16 and accurate deep groove ball bearing 17 phase control between described laser head 2 and main connecting plate 12, the afterbody of described laser head 2 is connected with welding optical fiber 18;
Described cooling system comprises cooling fluid inlet pipe 19 and cooling fluid goes out pipe 20, laser head 2 lateral wall of the first described lens 3 is provided with the first radiator coil tube 21 be connected with cooling fluid inlet pipe 19, laser head 2 lateral wall of the second described lens 4 is provided with the second radiator coil tube 22 be connected with the first radiator coil tube 21, laser head 2 lateral wall of the 3rd described lens 5 is provided with the 3rd radiator coil tube 23 be connected with the second radiator coil tube 22, and the 3rd described radiator coil tube 23 goes out pipe 20 with cooling fluid and is connected;
Described inflatable body comprises gas blow pipe 24, the corresponding distribution of light velocity Rendezvous Point of described gas blow pipe 24 and laser head 2.
The first described lens 3 and the spacing of the second lens 4 are 3mm, and the second described lens 4 and the spacing of the 3rd lens 5 are 3mm;
The longitudinal numerical control chain-wales 7 of described one dimension and the horizontal numerical control chain-wales 8 of one dimension, respectively by digital controlled rotary motor 25 phase control, are provided with aluminium alloy connecting plate 26 between described preheating tempering laser head 10 and digital controlled rotary chain-wales 9;
Described driving gear 14 is locked by locking nut 33 phase with numerical control slowspeed machine 13, described driven gear 15 engages in part with driving gear 14, axle lining 27 is provided with between described driven gear 15 and main connecting plate 12, described accurate deep groove ball bearing 17 is positioned at the top of accurate thrust ball bearing 16, the top of described accurate deep groove ball bearing 17 is provided with adjusting nut 28, and described accurate deep groove ball bearing 17 and accurate thrust ball bearing 16 are by adjusting nut 28 phase regulable control;
The diameter of the first described radiator coil tube 21 is 4mm, and the diameter of the second described radiator coil tube 22 is 4mm, and the diameter of the 3rd described radiator coil tube 23 is 4mm, and the diameter of described cooling fluid inlet pipe 19 is 4mm, and the diameter that described cooling fluid goes out pipe 20 is 4mm;
The head of described gas blow pipe 24 is provided with bending part, and described gas blow pipe 24 is provided with and is attached thereto logical air gauge 29, and described gas blow pipe 24 is connected with air compressor,
The number of teeth of described driven gear 15 is 15, and the diameter of described driven gear 15 is 45mm, and the number of teeth of described driving gear 14 is 15, and the diameter of described driving gear 14 is 45mm;
The displacement of the longitudinal numerical control chain-wales 7 of described one dimension is 30mm, and the displacement of the horizontal numerical control chain-wales 8 of described one dimension is 30mm, and described preheating tempering laser head 10 can with digital controlled rotary chain-wales 9 in 30 degree of rotations;
Be provided with heat radiation cavity 30 in described connector 1, the second described radiator coil tube 22 is arranged in heat radiation cavity 30, between the longitudinal numerical control chain-wales 7 of described one dimension and connector 1, fixes respectively by bolt 31 between connector 1 and balancing weight 6;
The lower end outside wall of described laser head 2 is provided with gear adapter ring 32 outwardly, and described gear adapter ring 32 keeps off mutually with the bottom of connector 1 and connecing, and described laser head 2 presents lower vertical distribution, and described main connecting plate 12 is L-shaped;
The quality of described balancing weight 6 is 10kg, and the material of described connector 1 is aluminium alloy.
The welding method of numerical control adjustable carbide alloy dual-beam welder, carry out according to the following steps:
(1) preparation, before welding:
Before Product jointing, first with compressed air, machined surface is cleaned out, compressed-air actuated pressure is 2 ~ 3Mpa, the time of compressed-air actuated air blowing covers whole welding process, compressed air in gas blow pipe must filter with dry through air adjustment combination, then the longitudinal numerical control chain-wales 7 of one dimension is regulated, the horizontal numerical control chain-wales 8 of one dimension and digital controlled rotary chain-wales 9, the preheating time of preheating tempering laser head 10 is 5S, the preheat temperature of preheating tempering laser head 10 is chosen according to workpiece material, angle between preheating tempering laser head 10 and laser head 2 is 30 °, preheating tempering laser head 10 is adjusted to operating position,
(2), preheating tempering laser head rotates:
Open numerical control slowspeed machine 13; driving gear 14 drives driven gear 15, and driven gear 15 drives laser head 2 to rotate, and laser head 2 is with movement connector 1 to rotate; connector 1 drives preheating tempering laser head 10 to rotate, and the speed that preheating tempering laser head 10 rotates is 1.5m/min;
(3), weld by track:
Preheating tempering laser head 10 is made to do the reciprocating rotary of 360 ° around laser head 2, product is made to carry out preheating and tempering while welding, laser head 2 welds along predetermined welding track, during welding, generating device of laser is on state, and cooling system is in opening, and the temperature of cooling water is 20 DEG C, compressed air has to pass through air filtration combination, and pressure is 2Mpa;
Before starting welding, must determine that the laser head hot spot of laser weld mechanism is in focal position, focal position is 125mm, and the laser head hot spot of weld preheating and postwelding tempering mechanism must be in out of focus position, focal length is 150mm, and numerical control slowspeed machine 13 rotating speed is 1.5m/min;
During welding, in laser head 2, the temperature of the first lens 3, second lens 4 and the 3rd lens 5 changes along with laser output power size, and the flowing velocity of cooling fluid inlet pipe 19 is 0.3m/s, and the flowing velocity that cooling fluid goes out pipe 20 is 0.3m/s;
During welding, use with CO
2or CO
2the mist of+Ar is as protective gas.
Embodiment 2: a kind of numerical control adjustable carbide alloy dual-beam welder, comprise connector 1, laser head 2 is provided with in described connector 1, upper end in described laser head 2 is provided with the first lens 3, middle-end in described laser head 2 is provided with the second lens 4, lower end in described laser head 2 is provided with the 3rd lens 5, the side of described connector 1 is provided with the preheating tempering laser head mechanism fixed with it, the opposite side of described connector 1 is provided with balancing weight 6, the top of described laser head 2 regulates rotation mutually by rotating mechanism, described laser head 2 is cooled mutually by cooling system, described laser head 2 is blown mutually by inflatable body,
Described preheating tempering laser head mechanism comprises the longitudinal numerical control chain-wales 7 of one dimension, the horizontal numerical control chain-wales 8 of one dimension, digital controlled rotary chain-wales 9 and preheating tempering laser head 10, the lateral wall of described connector 1 and the longitudinal numerical control chain-wales 7 of one dimension are fixedly connected, the digital controlled rotary chain-wales 9 of phase longitudinal sliding motion is with it provided with in the longitudinal numerical control chain-wales 7 of described one dimension, described digital controlled rotary chain-wales 9 is laterally slided with it mutually by the horizontal numerical control chain-wales 8 of one dimension, described digital controlled rotary chain-wales 9 is provided with the preheating tempering laser head 10 rotating with it and connect, the afterbody of described preheating tempering laser head 10 is connected with preheating optical fiber 11,
Described rotating mechanism comprises main connecting plate 12, the lateral wall of described main connecting plate 12 is provided with the numerical control slowspeed machine 13 fixed with it, the bottom of described numerical control slowspeed machine 13 is provided with the driving gear 14 rotated with it, the afterbody of described laser head 2 is located in main connecting plate 12, the upper end of described laser head 2 is provided with the driven gear 15 of the transmission that to be meshed with driving gear 14, by accurate thrust ball bearing 16 and accurate deep groove ball bearing 17 phase control between described laser head 2 and main connecting plate 12, the afterbody of described laser head 2 is connected with welding optical fiber 18;
Described cooling system comprises cooling fluid inlet pipe 19 and cooling fluid goes out pipe 20, laser head 2 lateral wall of the first described lens 3 is provided with the first radiator coil tube 21 be connected with cooling fluid inlet pipe 19, laser head 2 lateral wall of the second described lens 4 is provided with the second radiator coil tube 22 be connected with the first radiator coil tube 21, laser head 2 lateral wall of the 3rd described lens 5 is provided with the 3rd radiator coil tube 23 be connected with the second radiator coil tube 22, and the 3rd described radiator coil tube 23 goes out pipe 20 with cooling fluid and is connected;
Described inflatable body comprises gas blow pipe 24, the corresponding distribution of light velocity Rendezvous Point of described gas blow pipe 24 and laser head 2.
The first described lens 3 and the spacing of the second lens 4 are 3mm, and the second described lens 4 and the spacing of the 3rd lens 5 are 3mm;
The longitudinal numerical control chain-wales 7 of described one dimension and the horizontal numerical control chain-wales 8 of one dimension, respectively by digital controlled rotary motor 25 phase control, are provided with aluminium alloy connecting plate 26 between described preheating tempering laser head 10 and digital controlled rotary chain-wales 9;
Described driving gear 14 is locked by locking nut 33 phase with numerical control slowspeed machine 13, described driven gear 15 engages in part with driving gear 14, axle lining 27 is provided with between described driven gear 15 and main connecting plate 12, described accurate deep groove ball bearing 17 is positioned at the top of accurate thrust ball bearing 16, the top of described accurate deep groove ball bearing 17 is provided with adjusting nut 28, and described accurate deep groove ball bearing 17 and accurate thrust ball bearing 16 are by adjusting nut 28 phase regulable control;
The diameter of the first described radiator coil tube 21 is 4mm, the diameter of the second described radiator coil tube 22 is 4mm, the diameter of the 3rd described radiator coil tube 23 is 4mm, and the diameter of described cooling fluid inlet pipe 19 is 5mm, and the diameter that described cooling fluid goes out pipe 20 is 4 ~ 6mm;
The head of described gas blow pipe 24 is provided with bending part, and described gas blow pipe 24 is provided with and is attached thereto logical air gauge 29, and described gas blow pipe 24 is connected with air compressor,
The number of teeth of described driven gear 15 is 15, and the diameter of described driven gear 15 is 45mm, and the number of teeth of described driving gear 14 is 15, and the diameter of described driving gear 14 is 45mm;
The displacement of the longitudinal numerical control chain-wales 7 of described one dimension is 30mm, and the displacement of the horizontal numerical control chain-wales 8 of described one dimension is 30mm, and described preheating tempering laser head 10 can with digital controlled rotary chain-wales 9 in 50 degree of rotations;
Be provided with heat radiation cavity 30 in described connector 1, the second described radiator coil tube 22 is arranged in heat radiation cavity 30, between the longitudinal numerical control chain-wales 7 of described one dimension and connector 1, fixes respectively by bolt 31 between connector 1 and balancing weight 6;
The lower end outside wall of described laser head 2 is provided with gear adapter ring 32 outwardly, and described gear adapter ring 32 keeps off mutually with the bottom of connector 1 and connecing, and described laser head 2 presents lower vertical distribution, and described main connecting plate 12 is L-shaped;
The quality of described balancing weight 6 is 10kg, and the material of described connector 1 is aluminium alloy.
The welding method of numerical control adjustable carbide alloy dual-beam welder, carry out according to the following steps:
(1) preparation, before welding:
Before Product jointing, first with compressed air, machined surface is cleaned out, compressed-air actuated pressure is 2 ~ 3Mpa, the time of compressed-air actuated air blowing covers whole welding process, compressed air in gas blow pipe must filter with dry through air adjustment combination, then the longitudinal numerical control chain-wales 7 of one dimension is regulated, the horizontal numerical control chain-wales 8 of one dimension and digital controlled rotary chain-wales 9, the preheating time of preheating tempering laser head 10 is 7S, the preheat temperature of preheating tempering laser head 10 is chosen according to workpiece material, angle between preheating tempering laser head 10 and laser head 2 is 40 °, preheating tempering laser head 10 is adjusted to operating position,
(2), preheating tempering laser head rotates:
Open numerical control slowspeed machine 13; driving gear 14 drives driven gear 15, and driven gear 15 drives laser head 2 to rotate, and laser head 2 is with movement connector 1 to rotate; connector 1 drives preheating tempering laser head 10 to rotate, and the speed that preheating tempering laser head 10 rotates is 1.5m/min;
(3), weld by track:
Preheating tempering laser head 10 is made to do the reciprocating rotary of 360 ° around laser head 2, product is made to carry out preheating and tempering while welding, laser head 2 welds along predetermined welding track, during welding, generating device of laser is on state, and cooling system is in opening, and the temperature of cooling water is 20 DEG C, compressed air has to pass through air filtration combination, and pressure is 2Mpa;
Before starting welding, must determine that the laser head hot spot of laser weld mechanism is in focal position, focal position is 125mm, and the laser head hot spot of weld preheating and postwelding tempering mechanism must be in out of focus position, focal length is 150mm, and numerical control slowspeed machine 13 rotating speed is 1.5m/min;
During welding, in laser head 2, the temperature of the first lens 3, second lens 4 and the 3rd lens 5 changes along with laser output power size, and the flowing velocity of cooling fluid inlet pipe 19 is 0.3m/s, and the flowing velocity that cooling fluid goes out pipe 20 is 0.3m/s;
During welding, use with CO
2or CO
2the mist of+Ar is as protective gas.
Embodiment 3: a kind of numerical control adjustable carbide alloy dual-beam welder, comprise connector 1, laser head 2 is provided with in described connector 1, upper end in described laser head 2 is provided with the first lens 3, middle-end in described laser head 2 is provided with the second lens 4, lower end in described laser head 2 is provided with the 3rd lens 5, the side of described connector 1 is provided with the preheating tempering laser head mechanism fixed with it, the opposite side of described connector 1 is provided with balancing weight 6, the top of described laser head 2 regulates rotation mutually by rotating mechanism, described laser head 2 is cooled mutually by cooling system, described laser head 2 is blown mutually by inflatable body,
Described preheating tempering laser head mechanism comprises the longitudinal numerical control chain-wales 7 of one dimension, the horizontal numerical control chain-wales 8 of one dimension, digital controlled rotary chain-wales 9 and preheating tempering laser head 10, the lateral wall of described connector 1 and the longitudinal numerical control chain-wales 7 of one dimension are fixedly connected, the digital controlled rotary chain-wales 9 of phase longitudinal sliding motion is with it provided with in the longitudinal numerical control chain-wales 7 of described one dimension, described digital controlled rotary chain-wales 9 is laterally slided with it mutually by the horizontal numerical control chain-wales 8 of one dimension, described digital controlled rotary chain-wales 9 is provided with the preheating tempering laser head 10 rotating with it and connect, the afterbody of described preheating tempering laser head 10 is connected with preheating optical fiber 11,
Described rotating mechanism comprises main connecting plate 12, the lateral wall of described main connecting plate 12 is provided with the numerical control slowspeed machine 13 fixed with it, the bottom of described numerical control slowspeed machine 13 is provided with the driving gear 14 rotated with it, the afterbody of described laser head 2 is located in main connecting plate 12, the upper end of described laser head 2 is provided with the driven gear 15 of the transmission that to be meshed with driving gear 14, by accurate thrust ball bearing 16 and accurate deep groove ball bearing 17 phase control between described laser head 2 and main connecting plate 12, the afterbody of described laser head 2 is connected with welding optical fiber 18;
Described cooling system comprises cooling fluid inlet pipe 19 and cooling fluid goes out pipe 20, laser head 2 lateral wall of the first described lens 3 is provided with the first radiator coil tube 21 be connected with cooling fluid inlet pipe 19, laser head 2 lateral wall of the second described lens 4 is provided with the second radiator coil tube 22 be connected with the first radiator coil tube 21, laser head 2 lateral wall of the 3rd described lens 5 is provided with the 3rd radiator coil tube 23 be connected with the second radiator coil tube 22, and the 3rd described radiator coil tube 23 goes out pipe 20 with cooling fluid and is connected;
Described inflatable body comprises gas blow pipe 24, the corresponding distribution of light velocity Rendezvous Point of described gas blow pipe 24 and laser head 2.
The first described lens 3 and the spacing of the second lens 4 are 3mm, and the second described lens 4 and the spacing of the 3rd lens 5 are 3mm;
The longitudinal numerical control chain-wales 7 of described one dimension and the horizontal numerical control chain-wales 8 of one dimension, respectively by digital controlled rotary motor 25 phase control, are provided with aluminium alloy connecting plate 26 between described preheating tempering laser head 10 and digital controlled rotary chain-wales 9;
Described driving gear 14 is locked by locking nut 33 phase with numerical control slowspeed machine 13, described driven gear 15 engages in part with driving gear 14, axle lining 27 is provided with between described driven gear 15 and main connecting plate 12, described accurate deep groove ball bearing 17 is positioned at the top of accurate thrust ball bearing 16, the top of described accurate deep groove ball bearing 17 is provided with adjusting nut 28, and described accurate deep groove ball bearing 17 and accurate thrust ball bearing 16 are by adjusting nut 28 phase regulable control;
The diameter of the first described radiator coil tube 21 is 4mm, and the diameter of the second described radiator coil tube 22 is 4mm, and the diameter of the 3rd described radiator coil tube 23 is 4mm, and the diameter of described cooling fluid inlet pipe 19 is 6mm, and the diameter that described cooling fluid goes out pipe 20 is 6mm;
The head of described gas blow pipe 24 is provided with bending part, and described gas blow pipe 24 is provided with and is attached thereto logical air gauge 29, and described gas blow pipe 24 is connected with air compressor,
The number of teeth of described driven gear 15 is 15, and the diameter of described driven gear 15 is 45mm, and the number of teeth of described driving gear 14 is 15, and the diameter of described driving gear 14 is 45mm;
The displacement of the longitudinal numerical control chain-wales 7 of described one dimension is 30mm, and the displacement of the horizontal numerical control chain-wales 8 of described one dimension is 30mm, and described preheating tempering laser head 10 can with digital controlled rotary chain-wales 9 in 60 degree of rotations;
Be provided with heat radiation cavity 30 in described connector 1, the second described radiator coil tube 22 is arranged in heat radiation cavity 30, between the longitudinal numerical control chain-wales 7 of described one dimension and connector 1, fixes respectively by bolt 31 between connector 1 and balancing weight 6;
The lower end outside wall of described laser head 2 is provided with gear adapter ring 32 outwardly, and described gear adapter ring 32 keeps off mutually with the bottom of connector 1 and connecing, and described laser head 2 presents lower vertical distribution, and described main connecting plate 12 is L-shaped;
The quality of described balancing weight 6 is 10kg, and the material of described connector 1 is aluminium alloy.
The welding method of numerical control adjustable carbide alloy dual-beam welder, carry out according to the following steps:
(1) preparation, before welding:
Before Product jointing, first with compressed air, machined surface is cleaned out, compressed-air actuated pressure is 2 ~ 3Mpa, the time of compressed-air actuated air blowing covers whole welding process, compressed air in gas blow pipe must filter with dry through air adjustment combination, then the longitudinal numerical control chain-wales 7 of one dimension is regulated, the horizontal numerical control chain-wales 8 of one dimension and digital controlled rotary chain-wales 9, the preheating time of preheating tempering laser head 10 is 8S, the preheat temperature of preheating tempering laser head 10 is chosen according to workpiece material, angle between preheating tempering laser head 10 and laser head 2 is 45 °, preheating tempering laser head 10 is adjusted to operating position,
(2), preheating tempering laser head rotates:
Open numerical control slowspeed machine 13; driving gear 14 drives driven gear 15, and driven gear 15 drives laser head 2 to rotate, and laser head 2 is with movement connector 1 to rotate; connector 1 drives preheating tempering laser head 10 to rotate, and the speed that preheating tempering laser head 10 rotates is 1.5m/min;
(3), weld by track:
Preheating tempering laser head 10 is made to do the reciprocating rotary of 360 ° around laser head 2, product is made to carry out preheating and tempering while welding, laser head 2 welds along predetermined welding track, during welding, generating device of laser is on state, and cooling system is in opening, and the temperature of cooling water is 20 DEG C, compressed air has to pass through air filtration combination, and pressure is 2Mpa;
Before starting welding, must determine that the laser head hot spot of laser weld mechanism is in focal position, focal position is 125mm, and the laser head hot spot of weld preheating and postwelding tempering mechanism must be in out of focus position, focal length is 150mm, and numerical control slowspeed machine 13 rotating speed is 1.5m/min;
During welding, in laser head 2, the temperature of the first lens 3, second lens 4 and the 3rd lens 5 changes along with laser output power size, and the flowing velocity of cooling fluid inlet pipe 19 is 0.3m/s, and the flowing velocity that cooling fluid goes out pipe 20 is 0.3m/s;
During welding, use with CO
2or CO
2the mist of+Ar is as protective gas.
Claims (4)
1. a numerical control adjustable carbide alloy dual-beam welder, it is characterized in that: comprise connector (1), laser head (2) is provided with in described connector (1), upper end in described laser head (2) is provided with the first lens (3), middle-end in described laser head (2) is provided with the second lens (4), lower end in described laser head (2) is provided with the 3rd lens (5), the side of described connector (1) is provided with the preheating tempering laser head mechanism fixed with it, the opposite side of described connector (1) is provided with balancing weight (6), the top of described laser head (2) regulates rotation mutually by rotating mechanism, described laser head (2) is cooled mutually by cooling system, described laser head (2) is blown mutually by inflatable body,
Described preheating tempering laser head mechanism comprises longitudinal numerical control chain-wales (7) of one dimension, horizontal numerical control chain-wales (8) of one dimension, digital controlled rotary chain-wales (9) and preheating tempering laser head (10), the lateral wall of described connector (1) and longitudinal numerical control chain-wales (7) of one dimension are fixedly connected, the digital controlled rotary chain-wales (9) of phase longitudinal sliding motion is with it provided with in longitudinal numerical control chain-wales (7) of described one dimension, described digital controlled rotary chain-wales (9) is laterally slided with it mutually by horizontal numerical control chain-wales (8) of one dimension, described digital controlled rotary chain-wales (9) is provided with the preheating tempering laser head (10) rotating with it and connect, the afterbody of described preheating tempering laser head (10) is connected with preheating optical fiber (11),
Described rotating mechanism comprises main connecting plate (12), the lateral wall of described main connecting plate (12) is provided with the numerical control slowspeed machine (13) fixed with it, the bottom of described numerical control slowspeed machine (13) is provided with the driving gear (14) rotated with it, the afterbody of described laser head (2) is located in main connecting plate (12), the upper end of described laser head (2) is provided with the driven gear (15) of the transmission that to be meshed with driving gear (14), by accurate thrust ball bearing (16) and accurate deep groove ball bearing (17) phase control between described laser head (2) and main connecting plate (12), the afterbody of described laser head (2) is connected with welding optical fiber (18),
Described cooling system comprises cooling fluid inlet pipe (19) and cooling fluid goes out pipe (20), laser head (2) lateral wall of described the first lens (3) is provided with the first radiator coil tube (21) be connected with cooling fluid inlet pipe (19), laser head (2) lateral wall of described the second lens (4) is provided with the second radiator coil tube (22) be connected with the first radiator coil tube (21), laser head (2) lateral wall of the 3rd described lens (5) is provided with the 3rd radiator coil tube (23) be connected with the second radiator coil tube (22), the 3rd described radiator coil tube (23) goes out to manage (20) with cooling fluid and is connected,
Described inflatable body comprises gas blow pipe (24), the corresponding distribution of light beam Rendezvous Point of described gas blow pipe (24) and laser head (2).
2. numerical control according to claim 1 adjustable carbide alloy dual-beam welder, it is characterized in that: described the first lens (3) are 3mm with the spacing of the second lens (4), described the second lens (4) are 3mm with the spacing of the 3rd lens (5);
Longitudinal numerical control chain-wales (7) of described one dimension and horizontal numerical control chain-wales (8) of one dimension, respectively by digital controlled rotary motor (25) phase control, are provided with aluminium alloy connecting plate (26) between described preheating tempering laser head (10) and digital controlled rotary chain-wales (9);
Described driving gear (14) is locked by locking nut (33) mutually with numerical control slowspeed machine (13), described driven gear (15) engages in part with driving gear (14), axle lining (27) is provided with between described driven gear (15) and main connecting plate (12), described accurate deep groove ball bearing (17) is positioned at the top of accurate thrust ball bearing (16), the top of described accurate deep groove ball bearing (17) is provided with adjusting nut (28), described accurate deep groove ball bearing (17) and accurate thrust ball bearing (16) are by adjusting nut (28) phase regulable control,
The diameter of described the first radiator coil tube (21) is 4mm, the diameter of described the second radiator coil tube (22) is 4mm, the diameter of the 3rd described radiator coil tube (23) is 4mm, the diameter of described cooling fluid inlet pipe (19) is 4 ~ 6mm, and the diameter that described cooling fluid goes out pipe (20) is 4 ~ 6mm;
The head of described gas blow pipe (24) is provided with bending part, and described gas blow pipe (24) is provided with and is attached thereto logical air gauge (29), and described gas blow pipe (24) is connected with air compressor.
3. numerical control according to claim 1 and 2 adjustable carbide alloy dual-beam welder, is characterized in that:
The number of teeth of described driven gear (15) is 15; the diameter of described driven gear (15) is 45mm; the number of teeth of described driving gear (14) is 15, and the diameter of described driving gear (14) is 45mm;
The displacement of longitudinal numerical control chain-wales (7) of described one dimension is 30mm, the displacement of horizontal numerical control chain-wales (8) of described one dimension is 30mm, and described preheating tempering laser head (10) can with digital controlled rotary chain-wales (9) in 30 ~ 60 degree of rotations;
Heat radiation cavity (30) is provided with in described connector (1), described the second radiator coil tube (22) is arranged in heat radiation cavity (30), between longitudinal numerical control chain-wales (7) of described one dimension and connector (1), fixes respectively by bolt (31) between connector (1) and balancing weight (6);
The lower end outside wall of described laser head (2) is provided with gear adapter ring (32) outwardly, described gear adapter ring (32) keeps off mutually with the bottom of connector (1) and connecing, described laser head (2) presents lower vertical distribution, and described main connecting plate (12) is L-shaped;
The quality of described balancing weight (6) is 10kg, and the material of described connector (1) is aluminium alloy.
4. the welding method of numerical control according to claim 1 adjustable carbide alloy dual-beam welder, is characterized in that carrying out according to the following steps:
(1) preparation, before welding:
Before Product jointing, first with compressed air, machined surface is cleaned out, compressed-air actuated pressure is 2 ~ 3Mpa, the time of compressed-air actuated air blowing covers whole welding process, compressed air in gas blow pipe must filter with dry through air adjustment combination, then longitudinal numerical control chain-wales (7) of one dimension is regulated, horizontal numerical control chain-wales (8) of one dimension and digital controlled rotary chain-wales (9), the preheating time of preheating tempering laser head (10) is 5 ~ 8S, the preheat temperature of preheating tempering laser head (10) is chosen according to workpiece material, angle between preheating tempering laser head (10) and laser head (2) is 30 ~ 45 °, preheating tempering laser head (10) is adjusted to operating position,
(2), preheating tempering laser head rotates:
Open numerical control slowspeed machine (13); driving gear (14) drives driven gear (15); driven gear (15) drives laser head (2) to rotate; laser head (2) band movement connector (1) rotates; connector (1) drives preheating tempering laser head (10) to rotate, and the speed that preheating tempering laser head (10) rotates is 1.5m/min;
(3), weld by track:
Preheating tempering laser head (10) is made to do the reciprocating rotary of 360 ° around laser head (2), product is made to carry out preheating and tempering while welding, laser head (2) welds along predetermined welding track, during welding, generating device of laser is on state, and cooling system is in opening, and the temperature of cooling water is 20 DEG C, compressed air has to pass through air filtration combination, and pressure is 2Mpa;
Before starting welding, must determine that the laser head hot spot of laser weld mechanism is in focal position, focal position is 125mm, and the laser head hot spot of weld preheating and postwelding tempering mechanism must be in out of focus position, focal length is 150mm, and numerical control slowspeed machine (13) rotating speed is 1.5m/min;
During welding, in laser head (2), the temperature of the first lens (3), the second lens (4) and the 3rd lens (5) changes along with laser output power size, the flowing velocity of cooling fluid inlet pipe (19) is 0.3m/s, and the flowing velocity that cooling fluid goes out pipe (20) is 0.3m/s;
During welding, use with CO
2or CO
2the mist of+Ar is as protective gas.
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| CN106041378B (en) * | 2016-08-17 | 2018-05-15 | 广东工业大学 | It is a kind of sea frock for spud leg preheated weld device and its prewarming welding method |
| CN106513892A (en) * | 2016-09-29 | 2017-03-22 | 北京工业大学 | Double-beam laser deep penetration brazing method applicable to moderately thick plate aluminum/steel dissimilar alloy connection |
| CN106583922A (en) * | 2017-02-16 | 2017-04-26 | 上海嘉强自动化技术有限公司 | Five-shaft laser robot |
| CN106862756B (en) * | 2017-04-13 | 2018-09-14 | 东北大学 | Multi-angle can preheat reversal-flame type laser melting coating head |
| CN108890128B (en) * | 2018-06-29 | 2021-04-09 | 中国航空制造技术研究院 | Laser multi-beam composite temperature field welding device |
| CN110524111A (en) * | 2019-08-21 | 2019-12-03 | 苏州迅镭激光科技有限公司 | A kind of laser soldering device based on dynamic combined light beam |
| CN111037100A (en) * | 2019-12-31 | 2020-04-21 | 湖北三江航天红阳机电有限公司 | Double-beam laser welding method and welding equipment |
| CN111545905A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Pulse laser preheated double-laser-beam bilateral synchronous welding system and method |
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| US4689467A (en) * | 1982-12-17 | 1987-08-25 | Inoue-Japax Research Incorporated | Laser machining apparatus |
| JP3060779B2 (en) * | 1993-03-24 | 2000-07-10 | 日産自動車株式会社 | Laser processing equipment |
| JP3430834B2 (en) * | 1997-01-21 | 2003-07-28 | スズキ株式会社 | Welding method and welding apparatus using the same |
| CN101564799A (en) * | 2008-04-25 | 2009-10-28 | 宝山钢铁股份有限公司 | Compound welding method by using semiconductor laser and CO2 laser |
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