CN213614795U - Laser-electric arc hybrid welding, preheating and post-heat treatment device - Google Patents

Laser-electric arc hybrid welding, preheating and post-heat treatment device Download PDF

Info

Publication number
CN213614795U
CN213614795U CN202022563013.3U CN202022563013U CN213614795U CN 213614795 U CN213614795 U CN 213614795U CN 202022563013 U CN202022563013 U CN 202022563013U CN 213614795 U CN213614795 U CN 213614795U
Authority
CN
China
Prior art keywords
laser
welding
mirror
shell
preheating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022563013.3U
Other languages
Chinese (zh)
Inventor
陈勇
张奥涵
张涛
李勤涛
洪晴
钟绪海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Vocational University of Industry Technology NUIT
Original Assignee
Nanjing Vocational University of Industry Technology NUIT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Vocational University of Industry Technology NUIT filed Critical Nanjing Vocational University of Industry Technology NUIT
Priority to CN202022563013.3U priority Critical patent/CN213614795U/en
Application granted granted Critical
Publication of CN213614795U publication Critical patent/CN213614795U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Laser Beam Processing (AREA)
  • Arc Welding In General (AREA)

Abstract

The utility model discloses a laser-electric arc hybrid welding, preheating and post heat treatment device, which comprises a bracket, a laser emission component, a laser focusing transmission component, a reflection component, an electric arc welding gun and a horizontal conveying component, wherein the laser emission component comprises a first laser emitter and a second laser emitter which are respectively connected with a laser generator, the first laser emitter is provided with a first laser emitting head and a second laser emitting head, the second laser emitter is provided with a third laser emitting head, the laser focusing transmission component comprises a first shell with a left side surface inclined and a top part provided with a through hole, a second shell fixed with the right side edge of the first shell and a top part provided with a second through hole, a first plane mirror arranged on the left side inclined plane of the shell, a first focusing mirror horizontally arranged in the first shell and a second focusing mirror horizontally arranged in the second shell, the laser-electric arc hybrid welding, preheating and post-heat treatment device can greatly improve the welding efficiency and the welding quality.

Description

Laser-electric arc hybrid welding, preheating and post-heat treatment device
Technical Field
The utility model relates to the field of welding technology, specifically a laser-electric arc hybrid welding, preheat and post heat treatment device.
Background
With the development of modernization, a welding technology becomes one of indispensable processing modes for industrial production, the existing welding method comprises resistance welding, argon arc welding, plasma arc welding, electron beam welding and the like, the modern metal processing has higher and higher requirements on the quality of welding strength, appearance effect and the like, the traditional welding means inevitably brings the problems of workpiece distortion and deformation and the like due to extremely large heat input, and a large number of subsequent processing means are needed to make up the problem of workpiece deformation, so that the cost is increased; the full-automatic laser welding method is adopted, and the laser welding has the characteristics of high welding speed, strong penetrating power, small environmental pollution, small material deformation, easiness in automation realization and the like, so that a very small heat affected zone is brought, the quality of a welded product is remarkably improved, and meanwhile, the time of subsequent workload is reduced. Compared with the traditional arc welding and laser welding, the welding method which is singly adopted has respective defects, so that a reasonable method needs to be designed for the laser-arc hybrid welding, and the defects of the respective welding method are reduced to the maximum extent.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional arc welding and laser welding.
Therefore, the utility model aims at providing a laser-electric arc hybrid welding, preheat and post heat treatment device can increase substantially welding efficiency and welding quality.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a laser-arc hybrid welding, preheating and post-heat treatment apparatus, comprising:
the support comprises a support rod which is vertically arranged and a support plate which is vertically arranged with the support rod;
the laser emission assembly comprises a first laser emitter and a second laser emitter which are arranged at the top of the supporting plate and respectively connected with the laser generator, the first laser emitter is provided with a first laser emission head and a second laser emission head, and the second laser emitter is provided with a third laser emission head;
the laser focusing transmission assembly comprises a first shell, a second shell, a first plane mirror, a first focusing mirror and a second focusing mirror, wherein the left side surface of the first shell is inclined, the top of the first shell is provided with a through hole, the second shell is fixed with the right side edge of the first shell, the top of the second shell is provided with a second through hole, the first plane mirror is arranged on the left inclined surface of the shell, the first focusing mirror is horizontally arranged in the first shell, and the second focusing mirror is horizontally arranged in the second shell;
the reflecting assembly comprises an installation block arranged between the supporting rod and the supporting plate and a second plane mirror arranged on the installation block, and the right side of the second plane mirror is parallel to the first plane mirror;
an electric arc welding gun connected with the electric arc welding machine;
the horizontal conveying assembly conveys the welding workpiece to the right horizontally;
the first laser beam emitted by the first laser emitting head is reflected by the first plane mirror and the second plane mirror in sequence and then vertically downward forms a first intersection point with a welding seam of a welding workpiece, the second laser beam emitted by the second laser emitting head is focused by the first focusing mirror and then vertically downward forms a second intersection point with the welding seam of the welding workpiece, the second laser beam emitted by the third laser emitting head is focused by the second focusing mirror and then vertically downward forms a third intersection point with the welding seam of the welding workpiece, the second laser beam is positioned between the first laser beam and the third laser beam and is collinear, and the axis of a welding rod of the electric arc welding gun points to the welding seam and forms an included angle with the center line of the second laser beam.
As a preferred scheme of laser-electric arc hybrid welding, preheating and post heat treatment device, wherein, the axis of second laser emission head with the axis collineation of first casing, the axis of third laser emission head with the axis collineation of second casing.
As a preferred scheme of laser-electric arc hybrid welding, preheating and post heat treatment device, wherein, laser focusing transmission assembly still includes that the level sets up in the first casing, and be located first protective glass and the level setting of first focusing mirror downside are in the second casing, and be located the second protective glass of second focusing mirror downside.
As a preferred embodiment of the laser-arc hybrid welding, preheating and post-heat treatment apparatus of the present invention, wherein the first plane mirror and the second plane mirror are reflectors.
As a preferred scheme of laser-electric arc hybrid welding, preheating and post heat treatment device, wherein, horizontal transport assembly includes:
the top of the base is provided with a groove, and symmetrical transverse side edges of the base protrude outwards to form a clamping part;
the motor is arranged on the left side edge of the base, and an output shaft of the motor penetrates into the groove;
the screw rod is positioned in the groove, one end of the screw rod is connected with the output shaft of the motor, and the other end of the screw rod extends to the right side wall of the groove;
the sliding seat is positioned at the top of the base and is provided with a clamping groove clamped on the clamping part and a sliding block which is positioned at the bottom of the sliding seat and is meshed with the outer wall of the screw rod;
when the motor drives the screw rod to rotate, the screw rod drives the sliding seat to move along the transverse side edge of the base.
As a preferred scheme of laser-electric arc hybrid welding, preheating and post heat treatment device, wherein, horizontal transport assembly includes: the top of the sliding seat is further provided with symmetrically arranged clamps, each clamp comprises a type supporting plate, and a knob threaded column penetrating to the bottom of the type supporting plate is arranged on a horizontal part of the type supporting plate.
Compared with the prior art, the utility model discloses the beneficial effect who has is: the laser beam and the electric arc heat source are combined in one welding process, the defects of two welding modes are eliminated, welding light spots transmitted by optical fibers are correspondingly shaped, three paths of light spots are finally generated, the first path is subjected to preheating before welding, the second path is subjected to laser and electric arc composite welding, the third path is subjected to treatment as the welding rear end, the welding defects are reduced, the yield of products is ensured, the treatment time of a post-treatment process is saved, the welding process has the advantages of large welding penetration, high process stability, high welding efficiency, strong welding gap bridging capacity, small welding deformation and the like, and the welding efficiency and the welding quality can be greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the overall structure of a laser-arc hybrid welding, preheating and post-heat treatment apparatus provided by the present invention;
fig. 2 is a schematic structural view of a horizontal conveying assembly in fig. 1 of a laser-arc hybrid welding, preheating and post-heat treatment apparatus according to the present invention;
fig. 3 is an exploded schematic view of the horizontal conveying assembly in fig. 2 of the laser-arc hybrid welding, preheating and post-heat treatment apparatus provided by the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a laser-electric arc hybrid welding, preheat and post heat treatment device can increase substantially welding efficiency and welding quality.
Fig. 1-3 show a schematic structural view of an embodiment of a laser and carbon dioxide gas shielded welding combined welding and preheating device according to the present invention, please refer to fig. 1-3, and a main body of the laser and carbon dioxide gas shielded welding combined welding and preheating device according to the embodiment includes a support 100, a laser emitting assembly 200, a laser focusing transmission assembly 300, a reflection assembly 400, an arc welding gun 500, and a horizontal conveying assembly 600.
The stand 100 includes a support rod 110 vertically disposed and a support plate 120 vertically disposed to the support rod 110, the support plate 120 being used to mount the laser emitting assembly 200 and the laser focus transmission assembly 300.
The laser emitting assembly 200 includes a first laser emitter 210 and a second laser emitter 220 disposed on the top of the supporting plate 120 and respectively connected to the laser generators, the first laser emitter 210 having a first laser emitting head 210a and a second laser emitting head 210b, the second laser emitter 220 having a third laser emitting head 220a, the first laser emitting head 210a and the second laser emitting head 210b respectively emitting a first laser beam and a second laser beam, and the third laser emitting head 220a emitting a third laser beam.
The laser focusing and transmitting assembly 300 comprises a first housing 310 with a left side inclined and a top opened with a through hole 310a, a second housing 320 fixed with the right side of the first housing 310 and a top opened with a second through hole, a first plane mirror 330 disposed on the left inclined plane of the housing 310, a first focusing mirror 340 horizontally disposed in the first housing 310, and a second focusing mirror 350 horizontally disposed in the second housing 320. in the present embodiment, the axis of the second laser emitting head 210b is collinear with the axis of the first housing 310, and the axis of the third laser emitting head 220a is collinear with the axis of the second housing 320. The laser focus transmission assembly 300 further includes a first protective mirror 360 horizontally disposed in the first housing 310 and located under the first focusing mirror 340, and a second protective mirror 370 horizontally disposed in the second housing 320 and located under the second focusing mirror 350, for protecting the first focusing mirror 340 and the second focusing mirror 350 from contamination during welding.
The reflection assembly 400 includes a mounting block 410 disposed between the support rod 110 and the support plate 120 and a second flat mirror 420 disposed on the mounting block 410, wherein the right side of the second flat mirror 420 is viewed from the first flat mirror 330 and is parallel to the first flat mirror 330, and in this embodiment, the first flat mirror 330 and the second flat mirror 420 are both mirrors.
The arc welding gun 500 is connected to an arc welder for welding a workpiece in cooperation with the laser.
The horizontal conveying assembly 600 is used for horizontally conveying the welding workpiece P to the right, and specifically, in this embodiment, the horizontal conveying assembly 600 includes a base 610, a motor 620, a screw mandrel 630 and a sliding seat 640, a groove 610a is formed at the top of the base 610, symmetrical lateral sides of the groove 610a protrude outwards to form a clamping portion 610b, the motor 620 is disposed at the left side of the base 610, an output shaft of the motor 620 penetrates into the groove 610a, the screw mandrel 630 is disposed in the groove 610a, one end of the screw mandrel 630 is connected with the output shaft of the motor 620, the other end of the screw mandrel extends to the right side wall of the groove 610a, the sliding seat 640 is disposed at the top of the base 610 and has a clamping groove 640a clamped on the clamping portion 610b and a sliding block 640b which is disposed at the bottom of the sliding seat 640 and is engaged with an outer wall of the screw mandrel 630, when the screw mandrel 630 is driven by the motor 620 to, in this embodiment, in order to fix the welding workpiece P without deviation during the process of moving the welding workpiece P by the sliding seat 640, the top of the sliding seat 640 further has a symmetrically disposed fixture, the fixture includes an L-shaped support plate 640c, and a horizontal portion of the L-shaped support plate 640c is provided with a knob threaded column 640d penetrating to the bottom thereof.
The first laser beam emitted by the first laser emitting head 210a is reflected by the first plane mirror 330 and the second plane mirror 420 in sequence and then vertically downward forms a first intersection point with the weld seam of the welding workpiece P, the second laser beam emitted by the second laser emitting head 210b is focused by the first focusing mirror 340 and then vertically downward forms a second intersection point with the weld seam of the welding workpiece P, the second laser beam emitted by the third laser emitting head 220a is focused by the second focusing mirror 350 and then vertically downward forms a third intersection point with the weld seam of the welding workpiece P, the second laser beam is located between the first laser beam and the third laser beam and is collinear, and the axis of the welding rod of the arc welding gun 500 points to the weld seam and forms an included angle with the center line of the second laser beam.
With reference to fig. 1 to 3, the laser and carbon dioxide gas shield welding combined welding and preheating processing apparatus according to the present embodiment performs a specific welding process on a welding workpiece P as follows: fixing a welding workpiece P to be welded on the horizontal conveying assembly 600, driving the welding workpiece to continuously move rightwards by the horizontal conveying assembly 600, sequentially forming a continuous first intersection point with a first laser beam during welding, preheating the welding seam of the welding workpiece P by the first laser beam, reducing the welding difficulty of electric arc welding, increasing the welding penetration depth, continuously forming a continuous second intersection point with a second laser beam forwards by the preheated welding seam, carrying out focusing welding on the welding seam by the second laser beam and an electric arc welding gun 500 together, after welding the welding seam, continuously conveying the third laser beam to the right along with the horizontal conveying assembly 600, focusing the third laser beam by a second focusing mirror 350, reaching the position of the welding seam of the workpiece, reheating the welding seam, repairing air holes and crack defects in the welding seam, achieving the effect of post-heat treatment, and accelerating the result of welding treatment, the welding efficiency is improved.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A laser-arc hybrid welding, preheating and post-heat treatment apparatus, comprising:
the support (100) comprises a support rod (110) which is vertically arranged and a support plate (120) which is vertically arranged with the support rod (110);
the laser emitting assembly (200) comprises a first laser emitter (210) and a second laser emitter (220) which are arranged at the top of the support plate (120) and respectively connected with a laser generator, the first laser emitter (210) is provided with a first laser emitting head (210 a) and a second laser emitting head (210 b), and the second laser emitter (220) is provided with a third laser emitting head (220 a);
the laser focusing transmission assembly (300) comprises a first shell (310) with an inclined left side surface and a penetrating through hole (310 a) formed in the top, a second shell (320) fixed with the right side edge of the first shell (310) and a second penetrating through hole formed in the top, a first plane mirror (330) arranged on the inclined left side surface of the first shell (310), a first focusing mirror (340) horizontally arranged in the first shell (310) and a second focusing mirror (350) horizontally arranged in the second shell (320);
a reflection assembly (400) including a mounting block (410) disposed between the support bar (110) and the support plate (120) and a second flat mirror (420) disposed on the mounting block (410), a right side of the second flat mirror (420) being viewed from and parallel to the first flat mirror (330);
an electric arc welding gun (500) connected to the electric arc welder;
a horizontal conveyance assembly (600) that horizontally conveys the welding workpiece (P) to the right;
wherein, the first laser beam emitted by the first laser emitting head (210 a) is reflected by the first plane mirror (330) and the second plane mirror (420) in sequence and then vertically downwards forms a first intersection point with the welding seam of the welding workpiece (P), the second laser beam emitted by the second laser emitting head (210 b) is focused by the first focusing lens (340) and then vertically downwards forms a second intersection point with the welding seam of the welding workpiece (P), the second laser beam emitted by the third laser emitting head (220 a) is focused by the second focusing lens (350) and then vertically downwards forms a third intersection point with the welding seam of the welding workpiece (P), the second laser beam is located between and collinear with the first and third laser beams, and an axis of a welding rod of the arc welding gun (500) is directed toward the weld and has an angle with a center line of the second laser beam.
2. A laser-arc hybrid welding, preheating and post-heat treatment apparatus as claimed in claim 1, wherein the axis of said second laser emitting head (210 b) is collinear with the axis of said first housing (310), and the axis of said third laser emitting head (220 a) is collinear with the axis of said second housing (320).
3. A laser-arc hybrid welding, preheating and post-heat treatment apparatus as claimed in claim 1, wherein said laser focus transfer assembly (300) further comprises a first protective mirror (360) horizontally disposed within said first housing (310) and located under said first focusing mirror (340) and a second protective mirror (370) horizontally disposed within said second housing (320) and located under said second focusing mirror (350).
4. A laser-arc hybrid welding, preheating and post-heat treatment apparatus according to claim 1, wherein said first planar mirror (330) and said second planar mirror (420) are both mirrors.
5. The laser-arc hybrid welding, preheating and post-heat treatment apparatus according to claim 1, wherein said horizontal transport assembly (600) comprises:
the top of the base (610) is provided with a groove (610 a), and the symmetrical transverse side edges of the base protrude outwards to form a clamping part (610 b);
the motor (620) is arranged on the left side edge of the base (610), and an output shaft of the motor penetrates into the groove (610 a);
the screw rod (630) is positioned in the groove (610 a), one end of the screw rod is connected with the output shaft of the motor (620), and the other end of the screw rod extends to the right side wall of the groove (610 a);
the sliding seat (640) is positioned at the top of the base (610) and is provided with a clamping groove (640 a) clamped on the clamping part (610 b) and a sliding block (640 b) which is positioned at the bottom of the sliding seat (640) and is meshed with the outer wall of the screw rod (630);
wherein when the motor (620) drives the screw rod (630) to rotate, the screw rod (630) drives the sliding seat (640) to move along the lateral side of the base (610).
6. The hybrid laser-arc welding, preheating and post-heat treatment apparatus according to claim 5, wherein the horizontal transport assembly (600) comprises: the top of the sliding seat (640) is also provided with symmetrically arranged clamps, each clamp comprises an L-shaped support plate (640 c), and a knob threaded column (640 d) penetrating to the bottom of the L-shaped support plate (640 c) is arranged at the horizontal part of the L-shaped support plate.
CN202022563013.3U 2020-11-09 2020-11-09 Laser-electric arc hybrid welding, preheating and post-heat treatment device Active CN213614795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022563013.3U CN213614795U (en) 2020-11-09 2020-11-09 Laser-electric arc hybrid welding, preheating and post-heat treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022563013.3U CN213614795U (en) 2020-11-09 2020-11-09 Laser-electric arc hybrid welding, preheating and post-heat treatment device

Publications (1)

Publication Number Publication Date
CN213614795U true CN213614795U (en) 2021-07-06

Family

ID=76630766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022563013.3U Active CN213614795U (en) 2020-11-09 2020-11-09 Laser-electric arc hybrid welding, preheating and post-heat treatment device

Country Status (1)

Country Link
CN (1) CN213614795U (en)

Similar Documents

Publication Publication Date Title
CN111716003B (en) Aluminum alloy pulse laser-TIG electric arc composite additive manufacturing device and method
KR102124881B1 (en) Laser processing apparatus and method
US5250783A (en) Method of laser-welding metal sheets having different thickness
CN1171697C (en) Mixed arc/laser welding process, especially for welding pipes or vehicle parts
CN107363399B (en) A kind of method of electric arc auxiliary laser weldering
CN111069770A (en) Light path light splitting unit and coaxial wire feeding cladding head thereof
US4794231A (en) Method of and arrangement for laser welding
US20090320524A1 (en) Glass sheet cutting by laser-guided gyrotron beam
KR102627253B1 (en) Welding jig device and manufacturing method of parts
CN109048059A (en) A kind of sheet laser scanning welding with filler wire method
CN114523207B (en) Laser welding method
CN107584211A (en) A kind of high power laser welding system and its welding method based on high-velocity scanning galvanometer
CN213614795U (en) Laser-electric arc hybrid welding, preheating and post-heat treatment device
CA1308784C (en) High-power-density beam welding method in combination with upset weldingand apparatus therefor
CN214079766U (en) Laser-electric arc composite welding device
CN112296522A (en) Laser-electric arc hybrid welding, preheating and post-heat treatment device
CN213614796U (en) Laser and carbon dioxide gas shielded welding composite welding and preheating treatment device
CN112296521A (en) Laser and carbon dioxide gas shielded welding composite welding and preheating treatment device
JP2002144064A (en) Method and equipment for welding metallic member
EP3674031A1 (en) Hybrid welding method and hybrid welding apparatus
KR100458725B1 (en) Laser welder and thereof method of formed sheet for pipe manufacturing
CN1246117C (en) Compound welding torch coaxial between laser and electric arc
CN215238735U (en) Welding device for inner sleeve of shield pump
CN110977171B (en) Vacuum laser-electric arc hybrid welding method and device for improving weld formation
JP2017209700A (en) Joining method of metal plate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nanjing Nangong science and Technology Park Management Co.,Ltd.

Assignor: Nanjing Vocational University of Industry Technology

Contract record no.: X2021980016324

Denomination of utility model: A device for laser arc composite welding, preheating and post heat treatment

Granted publication date: 20210706

License type: Common License

Record date: 20211224