CN216227428U

CN216227428U - Vibrating wire-filling laser welding device suitable for wide welding seam

Info

Publication number: CN216227428U
Application number: CN202122841199.9U
Authority: CN
Inventors: 金亚娟
Original assignee: Parnova Intelligent Technology Suzhou Co ltd
Current assignee: Parnova Intelligent Technology Suzhou Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a vibrating wire-filling laser welding device suitable for wide welding seams, which comprises an optical fiber coupler, a lens group collimation module, a laser galvanometer module, a rotating mechanism, a second 45-degree corner module, a welding seam tracking spring telescopic module and a welding seam tracking wire-feeding guide module arranged at the lower end of the welding seam tracking spring telescopic module, wherein the laser galvanometer module is internally provided with a laser galvanometer, the lens group focusing module is arranged between the laser galvanometer module and the rotating mechanism, and the welding seam tracking wire-feeding guide module is connected with a porous wire feeder structure through a clamp. The vibrating wire-filling laser welding device realizes the swinging of laser beams or tracks in other shapes through the arrangement of the laser vibrating mirror, and increases the absorption rate of the welded material to the unit area of laser energy; meanwhile, the welding problem of wide welding seams is realized by combining a porous wire feeding structure, and the welding efficiency is improved.

Description

Vibrating wire-filling laser welding device suitable for wide welding seam

Technical Field

The utility model belongs to the field of laser welding, and particularly relates to a vibrating type wire filling laser welding device suitable for wide welding seams.

Background

The laser filler wire welding is a method for forming a welding joint by heating a filler wire material or a base material by using laser as a heat source, and is mainly characterized in that the high energy density of the laser is utilized to realize rapid heating of a local area or a micro area to complete a welding process. Among the current laser welding set, when meetting the welding seam broad that parts machining is coarse but require to match the required precision, can adopt laser beam's swing to realize the welding usually, simultaneously, need more welding wire to realize filling the welding seam, and in the laser welding field, have strict standard to the diameter of welding wire, and then when leading to not having enough welding wire filling the welding seam, then can not once only accomplish the welding, cause welding efficiency lower, the welding effect is poor.

Therefore, a laser welding apparatus capable of filling a wide bead and completing welding at one time is required.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at improving the existing laser welding device, and further provides a vibrating wire-filling laser welding device which is applicable to wide welding seam welding and has high welding efficiency.

The technical scheme is as follows: the utility model relates to a vibrating wire-filling laser welding device suitable for wide welding seams, which comprises an optical fiber coupler, a lens group collimation module, a laser galvanometer module, a rotating mechanism and a 45-degree corner module which are sequentially connected, wherein a lens group focusing module is arranged between the laser galvanometer module and the rotating mechanism, a laser galvanometer is arranged in the laser galvanometer module to realize the deflection of laser beams, and a focusing lens is arranged in the lens group focusing module.

Furthermore, the laser welding device also comprises a welding seam tracking spring telescopic module connected with the 45-degree corner module and a welding seam tracking wire feeding guide module arranged at the lower end of the welding seam tracking spring telescopic module, wherein the welding seam tracking wire feeding guide module is connected with a multi-hole feeder structure through a clamp.

Furthermore, the multi-hole wire feeding structure of the laser welding device comprises a wire feeding pipe, a conical wire feeding nozzle and a connecting pipe for connecting and fixing the wire feeding pipe and the wire feeding nozzle, wherein a plurality of welding wire pipes for containing welding wires are arranged in the wire feeding pipe, and the number of the welding wire pipes is 2-4 and the welding wire pipes are arranged in a straight line shape.

Furthermore, a plurality of welding wire holes corresponding to the welding wire pipes are arranged on a connecting pipe of the laser welding device, and a plurality of welding wire holes corresponding to the welding wire pipes are arranged at the outlet end of the wire feeding nozzle.

Furthermore, a groove for positioning the welding wire tube is arranged in the connecting tube of the laser welding device, a connecting block connected with the wire feeding nozzle is arranged on the connecting tube, and correspondingly, a notch matched with the connecting block is formed in the wire feeding nozzle.

Furthermore, a plurality of welding wire holes corresponding to the welding wire pipes are arranged on the connecting block of the laser welding device.

Furthermore, the number of the grooves of the laser welding device is consistent with the number of the welding wire tubes, the welding wire tubes are arranged in a straight line shape, and the welding wire holes at the outlet end of the wire feeding nozzle are arranged in a straight line shape.

Furthermore, the upper end of the 45-degree corner module of the laser welding device is opposite to a camera used for acquiring the position image of the laser beam on the surface of the workpiece.

Further, the lower end of a 45-degree corner module of the laser welding device is connected with a drawer type protective lens unit through a connecting block.

Has the advantages that: compared with the prior art, the utility model has the advantages that: the vibrating wire-filling laser welding device realizes one-dimensional swing of laser beams and two-dimensional tracks designed by different figures (such as a circle, a square, a hourglass shape and the like) through the arrangement of the laser vibrating mirror, and the absorptivity of the welded material in multiple laser energy per unit area is increased; meanwhile, the welding problem of wide welding seams is realized on the basis of laser beam deflection by combining a porous wire feeding structure, and the welding efficiency is improved.

Drawings

FIG. 1 is a schematic view of a vibratory wire-filling laser welding apparatus of the present invention;

FIG. 2 is a schematic view of a porous wire feed structure of the present invention;

FIG. 3 is a first exploded view of the multi-hole wire feeding structure of the present invention;

FIG. 4 is a schematic structural view of a wire feeding nozzle and a connecting tube of the porous wire feeding structure of the present invention.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings.

The utility model is suitable for a vibrating wire-filling laser welding device with wide welding seams, and is optimized and improved based on the existing laser welding device of an enterprise, so that the laser welding device can be suitable for the laser welding of the wide welding seams. As shown in fig. 1, the vibrating wire-filling laser welding device includes an optical fiber coupler 1, a lens group collimation module 2, a laser galvanometer module 3, a lens group focusing module 6, a rotation mechanism 4, a 45 ° rotation angle module 5, a welding seam tracking spring telescopic module 7, and a welding seam tracking wire-feeding guide module 8 disposed at the lower end of the welding seam tracking spring telescopic module 7, which are connected in sequence. The upper end of the 45-degree corner module 5 is provided with a camera 18, and the camera 18 is used for acquiring the position image of the laser beam on the surface of the workpiece. The lower end of the 45-degree corner module 5 is connected with a drawer type protective lens unit 19 through a connecting block, so that the lenses are prevented from being polluted by dust and smoke in the laser welding process.

The laser galvanometer module 3 is internally provided with a laser galvanometer, laser is input into the laser galvanometer module 3 through the optical fiber coupler 1 and the lens group collimation module 2, is deflected through the action of the laser galvanometer, is converged by the lens group focusing module 8, and is finally bent vertically downwards through the 45-degree corner module 5 for welding. According to the laser welding device, due to the arrangement of the laser galvanometer module 3, the laser adjusted by the laser galvanometer can realize one-dimensional swing and two-dimensional tracks designed by different figures (such as a circle, a square, a hourglass shape and the like), the absorption rate of the welded material to the laser in unit time and the width of a welding line are increased, and the requirement on the assembly precision of a welded joint is reduced; meanwhile, due to the increase of the heat input in unit area, the generation of pores and cracks in the welding seam are reduced. It should be noted that the laser galvanometer module 3 and the mirror group focusing module 8 can be mounted by using a connection method known in the art, and will not be described herein too much.

The lower end of the welding seam tracking wire feeding guiding module 7 is connected with a multi-hole wire feeding mechanism 10 through a clamp 9, as shown in fig. 2 to 4, the multi-hole wire feeding mechanism 10 includes a wire feeding pipe 11, a connecting pipe 13 connected with the wire feeding pipe 11, a wire feeding nozzle 12 connected with the connecting pipe 13, and the movement of the multi-hole wire feeding mechanism 10 is driven by the movement of the welding seam tracking spring telescopic module 7.

Several, preferably 2-4, wire tubes 14 for receiving welding wire are arranged in the wire feed tube 11. The plurality of wire tubes 14 are arranged in a straight line in the wire feed tube 11. Welding wires are independently arranged in each welding wire tube 14, the other end of each wire feeding tube 11 is connected with a wire feeder, the number of the wire feeders is determined according to the number of the welding wires, synchronous motion is carried out, simultaneous operation of a plurality of welding wires can be achieved, and filling of wide welding seams is achieved.

Be equipped with in the connecting pipe 13 with the corresponding recess 15 of wire tube 14, this recess 15 can be one, wraps up a plurality of wire tube 14, perhaps it is a plurality of, with wire tube 14 one-to-one, through the setting of recess 15, carries on spacingly to wire tube 14 on the one hand, and on the other hand improves the stability of being connected between wire feeding pipe 11 and the connecting pipe 13. The one side that recess 15 was kept away from to connecting pipe 13 is provided with connecting block 16, and is same, send and be equipped with on the mouth 12 with this connecting block 16 assorted notch 17, through the setting of connecting block 16 and notch 17, the one side is spacing to connecting pipe 13, and on the other hand has improved the stability that connecting pipe 13 and send a mouth 12 to be connected. The connecting pipe 13 is provided with a plurality of welding wire holes with the same number as the welding wire pipes, and the welding wire holes are arranged in the groove 15 and are arranged in a straight line shape. Connecting block 16 is also provided with a number of wire holes corresponding to the number of wire tubes 14.

Wire feed nozzle 12 is tapered to reduce the distance in front of the wire, allowing for a tight seal between the wires. And the outlet end of the wire feed nozzle 12 is provided with a plurality of wire holes in line with the wire holes of the connecting block 16. Wire feed nozzle 12 also has wire holes in the notches, which may be one or aligned with the wire holes in connector block 16.

In addition to the above embodiments, the wire feeding nozzle 12, the connecting tube 13, the wire tube 14 and the clamp 9 in the porous wire feeding structure are fixed together by a fixing method known in the art.

Claims

1. The utility model provides a silk laser welding device is filled to vibrating suitable for wide welding seam which characterized in that: including optical fiber coupler (1), the collimation module of mirror group (2), laser shake mirror module (3), rotary mechanism (4) and 45 corner modules (5) that connect gradually, laser shakes and is equipped with mirror group focus module (6) between mirror module (3) and rotary mechanism (4), it shakes the mirror in order to realize the deflection of light beam to be equipped with laser in mirror group focus module (3) to shake, is equipped with the focus mirror in mirror group focus module (6).

2. The vibratory wire-filling laser welding device for wide welds according to claim 1, wherein: the laser welding device further comprises a welding seam tracking spring telescopic module (7) connected with the 45-degree corner module (5) and a welding seam tracking wire feeding guide module (8) arranged at the lower end of the welding seam tracking spring telescopic module (7), wherein the welding seam tracking wire feeding guide module (8) is connected with a porous wire feeding structure (10) through a clamp (9).

3. The vibratory wire-filling laser welding device for wide welds according to claim 2, wherein: the multi-hole wire feeding structure (10) comprises a wire feeding pipe (11), a conical wire feeding nozzle (12) and a connecting pipe (13) for connecting the wire feeding pipe (11) and the wire feeding nozzle (12), wherein a plurality of welding wire pipes (14) for containing welding wires are arranged in the wire feeding pipe (11), and the welding wire pipes (14) are 2-4 and are arranged in a straight line shape.

4. The vibratory wire-filling laser welding device for wide welds of claim 3, wherein: the connecting pipe (13) is provided with a plurality of welding wire holes corresponding to the welding wire pipes (14), and the outlet end of the wire feeding nozzle (12) is provided with a plurality of welding wire holes corresponding to the welding wire pipes (14).

5. The vibratory wire-filling laser welding device for wide welds of claim 3, wherein: the connecting pipe (13) is internally provided with a groove (15) for positioning the welding wire pipe (14), the connecting pipe (13) is provided with a connecting block (16) connected with the wire feeding nozzle (12), correspondingly, the wire feeding nozzle (12) is provided with a notch (17) matched with the connecting block (16).

6. The vibratory wire-filling laser welding device suitable for wide welds of claim 5, wherein: and a plurality of welding wire holes corresponding to the welding wire tubes (14) are formed in the connecting block (16).

7. The vibratory wire-filling laser welding device suitable for wide welds of claim 5, wherein: the number of the grooves (15) is consistent with that of the welding wire tubes (14), the grooves are arranged in a straight line shape, and the welding wire holes at the outlet end of the wire feeding nozzle (12) are arranged in a straight line shape.

8. The vibratory wire-filling laser welding device for wide welds of claim 1, wherein: the upper end of the 45-degree corner module (5) is provided with a camera (18) which is used for acquiring a laser beam position image on the surface of the workpiece in a right-facing manner.

9. The vibratory wire-filling laser welding device for wide welds of claim 1, wherein: the lower end of the 45-degree corner module (5) is connected with a drawer type protective lens unit (19) through a connecting piece.