CN210731356U

CN210731356U - Multi-station ultrafast laser galvanometer welding processing equipment

Info

Publication number: CN210731356U
Application number: CN201921648877.6U
Authority: CN
Inventors: 肖海兵; 姜家吉; 陈树林; 古顺; 陈诣
Original assignee: Shenzhen Institute of Information Technology
Current assignee: Shenzhen Institute of Information Technology
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-12
Anticipated expiration: 2029-09-29

Abstract

The utility model belongs to the technical field of the welding equipment, especially, relate to a multistation ultrafast laser mirror welding process equipment that shakes, the load simulator comprises a case, the protection casing, laser welding system and multistation workstation, the protection casing cover is located on quick-witted case, the multistation workstation includes that a plurality of is used for the fixed rotatory clamping mechanism of treating the welded part, each rotatory clamping mechanism all sets up on quick-witted case, laser welding system includes that ultrafast fiber laser and a plurality of and ultrafast fiber laser electricity are connected and have the mirror soldered joint that shakes of shaking of high speed mirror, fiber laser sets up in quick-witted incasement, each mirror soldered joint that shakes all sets up in the protection casing and corresponds the setting of each rotatory clamping mechanism respectively. Through the effective cooperation of the high-speed galvanometer of the galvanometer welding head and the rotary clamping mechanism, the moving path of the laser beam can be rapidly adjusted by the high-speed galvanometer, and the rapid rotation of the rotary clamping mechanism is matched, so that the welding efficiency and the welding quality of parts to be welded are remarkably improved.

Description

Multi-station ultrafast laser galvanometer welding processing equipment

Technical Field

The utility model belongs to the technical field of laser welding equipment, especially, relate to a multistation ultrafast laser galvanometer welding processing equipment.

Background

In recent years, with the progress of technology and the increasing demand for precision in machining of parts in the field of machining, laser machining technology, particularly laser welding technology, has been widely adopted owing to its high welding quality, low environmental pollution, and characteristics suitable for welding minute parts.

Among the prior art, the laser light path of laser welding is mostly fixed mode, needs traditional step motor drive to remove, and then launches the laser beam to the part, welds, though can realize the laser welding of part like this, still exists welding efficiency comparatively low, and the lower problem of welding precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistation ultrafast laser galvanometer welding processing equipment aims at solving the laser welding inefficiency among the prior art and the lower technical problem of welding precision.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a multistation ultrafast laser galvanometer welding process equipment, includes quick-witted case, protection casing, laser welding system and multistation workstation, the protection casing cover is located on the quick-witted case, multistation workstation includes that a plurality of is used for the fixed rotatory clamping mechanism who treats welded part, each rotatory clamping mechanism all set up in on the quick-witted case, the laser welding system include ultrafast fiber laser and a plurality of and ultrafast fiber laser electricity be connected and have the galvanometer soldered joint that shakes at a high speed, fiber laser set up in quick-witted incasement, each galvanometer soldered joint all set up in the protection casing and respectively correspond each rotatory clamping mechanism sets up.

Further, rotatory clamping machine constructs including being used for fixing treat welding parts's revolving stage and actuating mechanism, the revolving stage set up in on the quick-witted case, actuating mechanism set up in the quick-witted case and with revolving stage transmission is connected, in order to drive the revolving stage rotates.

Further, the driving mechanism comprises a driving motor and a speed reducer, a driving shaft of the driving motor is in transmission connection with an input shaft of the speed reducer, and an output shaft of the speed reducer is in transmission connection with the rotating table.

Further, the rotary clamping mechanism further comprises an assembling clamp, and the assembling clamp is fixed on the rotary table and used for clamping the parts to be welded.

Furthermore, the outer side wall of the protective cover is provided with an observation window corresponding to the position of each rotating platform.

Furthermore, the laser welding system also comprises a plurality of visual modules, and each visual module is arranged corresponding to each rotating table and used for recording the welding process of the parts to be welded.

Furthermore, the laser welding system also comprises a control device which is arranged in the case and is in communication connection with the ultrafast fiber laser so as to control the operation of the ultrafast fiber laser.

Furthermore, the control device comprises an industrial personal computer and a PLC controller in communication connection with the industrial personal computer, the industrial personal computer is in communication connection with the ultrafast fiber laser to control the operation of the ultrafast fiber laser, and the PLC controller is in communication connection with each of the galvanometer welding heads to control the operation of each of the galvanometer welding heads.

Further, one side of the protection cover is provided with a totally enclosed airtight door.

The utility model has the advantages that: the utility model discloses a multistation ultrafast laser galvanometer welding process equipment, during the welded part, the ultrafast fiber laser of its laser welding system transmits laser beam to the galvanometer welding head that shakes, shakes the galvanometer welding head again with laser beam transmission to set up in rotatory clamping mechanism treat the welded part on, and then realize treating the welding operation of welded part. And the high-speed mirror that shakes through the mirror soldered connection that shakes and the effective cooperation of rotatory clamping machine construct, because the high-speed mirror that shakes can the rapid adjustment laser beam's removal route, the fast revolution of the rotatory clamping machine structure of deuterogamying has just so realized treating the welding part and to the dual drive of laser beam, just so showing and has promoted the welding efficiency and the welding quality of treating the welding part.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a multi-station ultrafast laser galvanometer welding processing device provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a rotary clamping mechanism and a laser welding system of a multi-station ultrafast laser galvanometer welding processing device provided by the embodiment of the present invention;

fig. 3 is a schematic side view of a multi-station ultrafast laser galvanometer welding processing device provided in an embodiment of the present invention;

fig. 4 is a schematic view of an elevational structure of the multi-station ultrafast laser galvanometer welding processing equipment provided by the embodiment of the utility model;

fig. 5 is a sectional view taken along line a-a in fig. 4.

Wherein, in the figures, the respective reference numerals:

10-case 20-protective cover 21-observation window

22-totally enclosed airtight door 23-acousto-optic alarm device 24-display screen

25-control button 30-laser welding system 31-ultrafast fiber laser

32-galvanometer bonding head 33-cooling device 34-control device

35-refrigerant pipe 40-multi-station workbench 41-rotary clamping mechanism

42-rotating table 43-driving mechanism 44-assembly fixture

431-drive motor 432-reducer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the embodiment of the utility model provides a multistation ultrafast laser galvanometer welding processing equipment, including quick-witted case 10, protection casing 20, laser welding system 30 and multistation workstation 40, protection casing 20 covers and locates on quick-witted case 10 to avoid the smog loss that produces in the welding process to come out, multistation workstation 40 has a plurality of and is used for the fixed rotatory clamping machine of treating welded part to construct 41, and each rotatory clamping machine constructs 41 and all sets up on quick-witted case 10. And each rotary clamping mechanism 41 is arranged in the protection cover 20. The number of the rotary clamping mechanisms 41 is preferably four, so that the multi-station workbench 40 can finish clamping a plurality of parts to be welded in one machining process, on one hand, the downtime for replacing the parts to be welded each time is omitted, on the other hand, the machining time from one part to be welded to another part to be welded is also obviously shortened, and the rotary clamping mechanism has obvious advantages in the aspects of improving the efficiency and the yield. The laser welding system 30 includes an ultrafast fiber laser 31 and a plurality of galvanometer welding heads 32 electrically connected to the ultrafast fiber laser 31 and having high-speed galvanometer, the ultrafast fiber laser 31 is disposed in the housing 10, and each galvanometer welding head 32 is disposed in the protection cover 20 and respectively corresponds to each rotating clamping mechanism 41. The light guide system arranged in the galvanometer welding head 32 can move rapidly through the high-speed galvanometer, so that the laser beam can weld parts to be welded (such as spot welding) efficiently and stably. Meanwhile, according to different materials of parts to be welded, the energy waveform of the output laser light can be controlled through the light guide system, so that a more ideal welding effect is achieved.

Meanwhile, an industrial personal computer and a PLC (programmable logic controller) are also arranged in the multi-station ultrafast laser galvanometer welding processing equipment, the industrial personal computer and the PLC are respectively in communication connection with the optical fiber laser and the galvanometer welding head 32, the galvanometer welding head 32 can be well matched with the multi-station workbench 40, compared with the traditional continuous welding mode of stepping motor movement and laser light path fixation, the welding efficiency can be improved by more than 10 times, further the full automation of laser online welding can be realized, and the welding time is obviously shortened, so that the welding equipment is particularly suitable for the spot welding of ultrathin stainless steel circuit board inserts such as mobile phone shielding cases, metal mobile phones or metal capacitor shells, hard disks, micromotors, sensors and the like, and particularly for the welding of cylindrical battery lugs. The welding device is suitable for sensors, hardware, mobile phone communication pieces, electronic devices, instrument and meter pieces and the like which are fixed in welding tracks, are finished and can be produced in large batch.

Further, the multistation ultrafast laser galvanometer welding processing equipment that this embodiment provided can carry out laser welding to thin wall material and precision parts, specifically can carry out spot welding and butt welding etc. and the welding seam quality that laser welding formed is high, and no air hole.

Furthermore, the galvanometer welding head 32 adopts high-speed galvanometer scanning and a galvanometer light-emitting mode, so that the welding speed is greatly improved, the pattern scanning and working range are more flexible and changeable, the welding capacity is greatly improved, and the laser welding head is matched with the multi-station workbench 40 to continuously work, and is suitable for high-speed spot welding and continuous welding of consumer electronic products such as computer accessories, mobile phones, MP3 shells, MP4 shells and the like.

Preferably, the high-speed galvanometer of the galvanometer welding head adopts mutually perpendicular double galvanometers, and the working principle is as follows: when a position signal is input, the oscillating motor in the high-speed oscillating mirror can make the oscillating mirror swing a certain angle according to the conversion ratio of a certain voltage and angle, so that the laser can continuously spot-weld and seam-weld in different areas of the same plane. The whole process adopts closed-loop feedback control, a driving circuit board in the high-speed vibrating mirror adopts various anti-interference measures, and the system has high reliability, good linearity, high repetition precision and short response time.

The embodiment of the utility model provides a following pair the multistation ultrafast laser galvanometer welding processing equipment that provides does further explain: the embodiment of the utility model provides a multistation ultrafast laser galvanometer welding process equipment, during the welded part, the ultrafast fiber laser 31 of its laser welding system 30 transmits laser beam to galvanometer welding head 32, and galvanometer welding head 32 sends the laser beam again to set up in rotatory clamping mechanism 41 treat the welded part on, and then realize treating the welding operation of welded part. And through the high-speed mirror that shakes of mirror soldered connection 32 and the effective cooperation of rotatory clamping machine 41, because the high-speed mirror that shakes can quick adjustment laser beam's removal route, the fast revolution of the rotatory clamping machine 41 of deuterogamying has realized treating the welding part like this and to the dual drive of laser beam, just so showing and has promoted the welding efficiency and the welding quality of treating the welding part.

In another embodiment of the present invention, as shown in fig. 2 to 4, the rotating fixture 41 includes a rotating platform 42 for fixing the parts to be welded and a driving mechanism 43, the rotating platform 42 is disposed on the casing 10, and the driving mechanism 43 is disposed in the casing 10 and is in transmission connection with the rotating platform 42 to drive the rotating platform 42 to rotate. Specifically, when the rotating and clamping mechanism 41 works, the driving mechanism 43 can drive the rotating table 42 to rotate, and then the rotating table 42 can be matched with the high-speed galvanometer when rotating, so as to realize the rotating welding of the parts to be welded fixed on the rotating table 42.

In another embodiment of the present invention, as shown in fig. 2, the driving mechanism 43 includes a driving motor 431 and a speed reducer 432, the driving shaft of the driving motor 431 is in transmission connection with the input shaft of the speed reducer 432, and the output shaft of the speed reducer 432 is in transmission connection with the rotating platform 42. Specifically, the driving motor 431 drives the speed reducer 432 to rotate through the belt, and the speed reducer 432 further drives the rotating platform 42 to rotate, so that the continuous operation of clamping and machining the parts to be welded is realized. By making the driving mechanism 43 include the driving motor 431 and the speed reducer 432, the speed reducer 432 can effectively adjust the rotating speed output by the driving mechanism 43, and thus the rotating speed of the rotating table 42.

In another embodiment of the present invention, as shown in fig. 3 to 5, the rotating clamping mechanism 41 further includes an assembling jig 44, and the assembling jig 44 is fixed on the rotating table 42 and used for clamping the parts to be welded. Specifically, by providing the assembling jig 44 on the rotating table 42, the parts to be welded can be firmly fixed to the rotating table 42 by being clamped to the assembling jig 44, so that the parts to be welded are not easily removed from the rotating table 42.

In another embodiment of the present invention, as shown in fig. 1, the outer sidewall of the protection cover 20 is provided with an observation window 21 corresponding to the position of each rotating platform 42. Specifically, by forming the observation window 21 at a position of the protective cover 20 corresponding to the rotating table 42, an operator can observe the welding process of the parts to be welded through the observation window 21, and the parts to be welded can be placed on the rotating table 42 through the observation window 21 or taken down from the rotating table 42.

In another embodiment of the present invention, as shown in fig. 2, the laser welding system 30 further includes a cooling device 33, and the cooling device 33 is disposed in the housing 10 and is used for inputting a coolant medium into the ultrafast fiber laser 31. Specifically, by arranging the cooling device 33, the cooling device 33 feeds a refrigerant medium into the ultrafast fiber laser 31 through the two refrigerant pipes 35, so as to reduce the working temperature of the ultrafast laser and ensure the operation safety of the ultrafast laser. The cooling medium is preferably a liquid cooling medium, so as to realize efficient cooling and heat dissipation of the ultrafast laser.

In another embodiment of the present invention, the laser welding system 30 further includes a plurality of vision modules (not shown), each vision module is disposed corresponding to each of the rotating platforms 42, and is used for recording a welding process of the parts to be welded. Particularly, through setting up the vision module, the record of welding process of welding part can be treated to the vision module like this to the realization is to the shooting of the welding seam image of final formation, so that operating personnel can look over the welding quality who detects the part in real time.

In another embodiment of the present invention, as shown in fig. 2, the laser welding system 30 further includes a control device 34, the control device 34 is disposed in the housing 10 and is in communication with the ultrafast fiber laser 31 to control the operation of the ultrafast fiber laser 31. Specifically, the control device 34 has a display screen 24, a rotating frame and a control button 25, the rotating frame is disposed on the protection cover 20, the display screen 24 is rotatably mounted on the rotating frame to display the working temperature of the ultrafast optical fiber laser 31 and other related welding parameters, and the control button 25 is embedded on the protection cover 20 and electrically connected with the display screen 24.

In another embodiment of the present invention, as shown in fig. 2, the control device 34 includes an industrial personal computer (not shown) and a PLC controller (not shown) in communication connection with the industrial personal computer, the industrial personal computer is in communication connection with the ultrafast fiber laser 31 to control the operation of the ultrafast fiber laser 31, and the PLC controller is in communication connection with each of the vibration mirror welding heads 32 to control the operation of each of the vibration mirror welding heads 32. Specifically, through setting up industrial computer and PLC controller, it can make high-speed galvanometer and multistation workstation 40 combine together well like this, realizes the optimal parameter matching between them, is showing to promote welding efficiency, realizes the online welding full automatization of laser. Further, the top of the protective cover 20 is also provided with a plurality of sound and light alarm devices 23, and each sound and light alarm device 23 is connected with the industrial personal computer so as to give out sound and light alarm when the laser welding system 30 fails.

In another embodiment of the present invention, as shown in fig. 1, one side of the protection cover 20 is provided with a totally enclosed airtight door 22. Specifically, by providing the totally enclosed airtight door 22 on one side of the protection cover 20, the protection cover 20 can be sealed, and it is further ensured that harmful gas generated by welding is not discharged from the protection cover 20.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a multistation ultrafast laser galvanometer welding processing equipment which characterized in that: including quick-witted case, protection casing, laser welding system and multistation workstation, the protection casing cover is located on the quick-witted case, the multistation workstation includes that a plurality of is used for the fixed rotatory clamping machine structure of treating welded part, each rotatory clamping machine structure all set up in on the quick-witted case, the laser welding system include ultrafast fiber laser and a plurality of and ultrafast fiber laser electricity connect and have the mirror soldered joint that shakes of high-speed mirror, fiber laser set up in quick-witted incasement, each the mirror soldered joint that shakes all set up in the protection casing and respectively correspond each rotatory clamping machine constructs the setting.

2. The multi-station ultrafast laser galvanometer welding processing equipment of claim 1, characterized in that: the rotary clamping mechanism comprises a rotary table and a driving mechanism, the rotary table is used for fixing parts to be welded, the rotary table is arranged on the case, and the driving mechanism is arranged in the case and is in transmission connection with the rotary table to drive the rotary table to rotate.

3. The multi-station ultrafast laser galvanometer welding processing equipment of claim 2, characterized in that: the driving mechanism comprises a driving motor and a speed reducer, a driving shaft of the driving motor is in transmission connection with an input shaft of the speed reducer, and an output shaft of the speed reducer is in transmission connection with the rotating table.

4. The multi-station ultrafast laser galvanometer welding processing equipment of claim 2, characterized in that: the rotary clamping mechanism further comprises an assembling clamp, and the assembling clamp is fixed on the rotary table and used for clamping the parts to be welded.

5. The multi-station ultrafast laser galvanometer welding processing equipment of claim 2, characterized in that: and the outer side wall of the protective cover is provided with observation windows corresponding to the positions of the rotating platforms.

6. The multi-station ultrafast laser galvanometer welding processing equipment of claim 2, characterized in that: the laser welding system further comprises a plurality of visual modules, and each visual module is arranged corresponding to each rotating table and used for shooting and recording the welding process of the parts to be welded.

7. The multi-station ultrafast laser galvanometer welding processing equipment of any one of claims 1 to 6, characterized in that: the laser welding system further comprises a control device, wherein the control device is arranged in the case and is in communication connection with the ultrafast fiber laser so as to control the ultrafast fiber laser to operate.

8. The multi-station ultrafast laser galvanometer welding processing equipment of claim 7, characterized in that: the control device comprises an industrial personal computer and a PLC controller in communication connection with the industrial personal computer, the industrial personal computer is in communication connection with the ultrafast fiber laser to control the operation of the ultrafast fiber laser, and the PLC controller is in communication connection with each of the galvanometer welding heads to control the operation of each of the galvanometer welding heads.

9. The multi-station ultrafast laser galvanometer welding processing equipment of any one of claims 1 to 6, characterized in that: and a totally-enclosed airtight door is arranged on one side of the protective cover.