CN109228366A - Laser-beam welding machine - Google Patents

Laser-beam welding machine Download PDF

Info

Publication number
CN109228366A
CN109228366A CN201811103746.XA CN201811103746A CN109228366A CN 109228366 A CN109228366 A CN 109228366A CN 201811103746 A CN201811103746 A CN 201811103746A CN 109228366 A CN109228366 A CN 109228366A
Authority
CN
China
Prior art keywords
laser
welding machine
beam welding
rack
mounting plate
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.)
Pending
Application number
CN201811103746.XA
Other languages
Chinese (zh)
Inventor
冯学明
曹奎
仲晓静
张祖幸
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.)
Branson Ultrasonics Shanghai Co Ltd
Original Assignee
Branson Ultrasonics Shanghai Co Ltd
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 Branson Ultrasonics Shanghai Co Ltd filed Critical Branson Ultrasonics Shanghai Co Ltd
Priority to CN201811103746.XA priority Critical patent/CN109228366A/en
Publication of CN109228366A publication Critical patent/CN109228366A/en
Priority to PCT/CN2019/080966 priority patent/WO2020052225A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16Laser beams

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The present invention provides a kind of laser-beam welding machines, wherein the laser-beam welding machine includes: rack;Upper mold mounting plate, is mounted on the top plate of the rack;Drive module, including linear guides and linear motor rotor and linear motor stator electric, linear guides are arranged between linear motor rotor and linear motor stator electric, so that linear motor rotor and linear motor stator electric is slidably connected, motor stator is fixed on the vertical panel of rack;Lifting platform is connected with electric mover, drives lifting platform movement by the movement of electric mover;Lower mold mounting plate is connect by load cell with lifting platform, and is correspondingly arranged with upper mold mounting plate.The laser-beam welding machine provided through the invention, linear motor have stable active force, and load cell can be to mold clamping force precise measurement, it is ensured that the laser-beam welding machine to the minimum controllable clamping force of welding workpiece within a preset range.

Description

Laser-beam welding machine
Technical field
The present invention relates to plastics welding fields, in particular to a kind of laser-beam welding machine.
Background technique
Laser-beam welding machine, and frequently referred to laser welder, radium-shine welding machine are the machines processed using laser to material, It is divided into laser die welding machine, automatic laser welding machine, laser spot welder, optical fiber transmission laser-beam welding machine by its working method, Laser welding is to carry out local heating to welding material using the laser pulse of high-energy, and the energy of laser emission passes through heat transfer It is spread to the inside of material, forms specific molten bath after welding material is melted to achieve the purpose that welding.
In the related technology, the drive system of laser-beam welding machine is using lead screw, cylinder and pneumatic system, drive system Frictional force between each components is larger, causes the clamping force error provided larger, such laser-beam welding machine can only provide larger Clamping force, be not able to satisfy small clamping force application and precision controlling.Therefore, laser-beam welding machine in the related technology can not fit For needing to provide the application environment of small clamping force.
Aiming at the problem that laser-beam welding machine in the related technology accurately can not provide small clamping force, not yet propose at present effective Solution.
Summary of the invention
To solve the above problems, an embodiment of the invention provides a kind of laser-beam welding machine.
The laser-beam welding machine that an embodiment of the invention provides, including
Rack;
Upper mold mounting plate is mounted on the top plate of the rack;
Drive module, including linear guides, linear motor rotor and linear motor stator electric, wherein the linear guides are arranged Between the linear motor rotor and the linear motor stator electric, make the linear motor rotor and the linear motor stator electric It is slidably connected;
Lifting platform is connected with the electric mover, drives the lifting platform to move by the movement of the electric mover;
Load cell measures the clamping force of the laser-beam welding machine;
Lower mold mounting plate is connect by the load cell with the lifting platform, and with the upper mold mounting plate It is correspondingly arranged.
Preferably, the linear guides are to be vertically arranged, and the electric mover moves vertically along the linear guides,
The drive module further includes the first displacement measuring device, be mounted on the electric mover, the motor stator or In the rack, the vertical movement displacement of the electric mover is measured.
Preferably, the linear guides are horizontally disposed, the electric mover along the linear guides horizontal movement,
The drive module further includes second displacement measuring device, be mounted on the electric mover, the motor stator or In the rack, the horizontal movement displacement of the electric mover is measured.
Preferably, the laser-beam welding machine further includes balance weight mechanism, is arranged in the rack, for balancing the lower die Has the gravity of mounting plate and the lifting platform.
Preferably, the balance weight mechanism includes:
Stabilizer;
Balance counterweight;
Wheeling support is balanced, is arranged in the rack, the stabilizer is arranged on the balance wheeling support;
Electric mover;
Connecting bracket is mounted on the electric mover;
Balancing band is socketed on the stabilizer, and one end of the balancing band is connected with the balance counterweight, described The other end of balancing band is connected by the stabilizer and connecting bracket with the electric mover;
Wherein, the electric mover movement drives balance counterweight movement by the balancing band.
Preferably, the balance weight mechanism includes magnetic spring;
One end of the magnetic spring is fixed in the rack, and the other end is connected with the electric mover.
Preferably, the load cell is arranged on the lifting platform, and the lower mold mounting plate is arranged described The upper surface of load cell.
Preferably, the upper surface of the measurement sensor is arranged in the lower mold mounting plate, and the lower mold setting exists The upper surface of the lower mold mounting plate.
Preferably, the lower surface of the top plate is arranged in the load cell, and upper mold mounting plate setting exists The lower surface of the load cell.
Preferably, the lower surface of the upper mold mounting plate is arranged in the upper mold.
Preferably, the linear guides are crossed roller guide rail or air-bearing.
Preferably, laser welding further includes lifting platform protective cover, is arranged in the lifting platform surrounding.
Preferably, the rack includes bottom plate, top plate and vertical panel, wherein the bottom plate and the top plate are respectively perpendicular The both ends of the vertical panel are set;
The upper mold mounting plate is arranged on the top plate;
The drive module setting is on the vertical panel.
Preferably, the laser-beam welding machine further includes laser generator and controller;
The clamping force that the controller is measured according to the load cell adjusts the movement of the linear motor in real time.
The technical solution provided through the invention, laser-beam welding machine include rack, upper mold mounting plate, drive module, liter Platform, lower mold mounting plate and load cell drop;Wherein, upper mold mounting plate is arranged on the top plate of rack;Drive module, packet Linear guides and linear motor rotor and linear motor stator electric are included, linear guides are arranged in linear motor rotor and the straight-line electric Between machine stator, linear motor rotor and linear motor stator electric is made to be slidably connected, motor stator is fixed at the vertical of rack On plate;Lower mold mounting plate is connect by load cell with lifting platform, and is correspondingly arranged with upper mold mounting plate;Force-measuring sensing Device can measure the clamping force between upper mold and lower mold.Laser-beam welding machine of the invention uses linear motor, has stable Active force, and load cell can clamping force between precise measurement upper mold and lower mold, can be provided to welding workpiece small Clamping force.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of according to embodiments of the present invention one laser-beam welding machine;
Fig. 2 is the structural schematic diagram of rack according to an embodiment of the present invention;
Fig. 3 is the partial schematic diagram of laser-beam welding machine as shown in Figure 1;
Fig. 4 is the right view of laser-beam welding machine as shown in Figure 1;
Fig. 5 is the structural schematic diagram of laser-beam welding machine as shown in Figure 1 in welded condition;
Fig. 6 is the structural schematic diagram of according to embodiments of the present invention two laser-beam welding machine;
Fig. 7 is the main view of laser-beam welding machine as shown in FIG. 6;
Fig. 8 is the structural schematic diagram of according to embodiments of the present invention three laser-beam welding machine;
Fig. 9 is the schematic diagram of soldered workpiece according to an embodiment of the present invention;
Figure 10 is the schematic diagram one of the counterweight balance of gravity block according to an embodiment of the present invention;
Figure 11 is the schematic diagram two of the counterweight balance of gravity block according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Laser-beam welding machine of the invention includes rack, upper mold mounting plate, drive module, lifting platform, lower mold mounting plate And load cell, specifically, upper mold mounting plate is arranged on the top plate of rack, and drive module is mounted on the vertical panel of rack On, lifting platform is connect with the mover in drive module, and lower mold mounting plate is connect by load cell with lifting platform, and with it is upper Mold mounting plate is correspondingly arranged.More preferably, drive module, including linear guides, linear motor rotor and linear motor stator electric, line Property guide rail be arranged between linear motor rotor and the linear motor stator electric, keep linear motor rotor and linear motor stator electric sliding Dynamic connection, motor stator are fixed on the vertical panel of the rack.Lifting platform is connected with electric mover, and passes through motor The movement driving lifting platform movement of mover.Load cell can measure the clamping force of laser-beam welding machine, pass through the standard to clamping force Really measurement, improves the measurement accuracy of load.In the present embodiment, linear motor has stable active force, is capable of providing default model Interior small clamping force is enclosed, such as minimum 1N, to the small clamping force between 22N, linear motor and load cell match, The accurate control to clamping force can be further realized.
It include top plate, bottom plate and vertical panel as preferably embodiment, a rack, wherein top plate and bottom plate difference It is vertically set on the both ends of vertical panel.Rack is substantially C-shaped structure, without extra support, convenient for loading and unloading welding workpiece.
It should be noted that the linear guides of the laser-beam welding machine in the present invention can be to be vertically arranged, or water Flat setting.When linear guides are vertically arranged, electric mover and lifting platform can move in vertical direction along linear guides.Work as line Property guide rail it is horizontally disposed when, electric mover and lifting platform can move in the horizontal direction along linear guides.It will describe respectively below The linear guides of laser-beam welding machine are two kinds of specific embodiments when being vertically arranged and being horizontally disposed with.
Embodiment one:
In present embodiment, the linear guides of laser-beam welding machine are to be vertically arranged.
Fig. 1 is according to the structural schematic diagram of the laser-beam welding machine of embodiment one, and Fig. 2 is laser welding as shown in Figure 1 The structural schematic diagram of the rack of machine, Fig. 3 show the drive module of laser-beam welding machine.As shown, laser-beam welding machine includes machine Frame 1, upper mold mounting plate 7, drive module 3, lifting platform 2, lower mold mounting plate 8 and load cell 5.Drive module 3 includes Linear guides 16, motor stator 15 and electric mover 14.Lifting platform 2 is connected with the electric mover 14 of drive module 3, lower mold Mounting plate 8 is connected by load cell 5 with lifting platform 2, and is correspondingly arranged with upper mold mounting plate 7.
Fig. 2 is the structural schematic diagram of rack according to an embodiment of the present invention, as shown in Fig. 2, rack 1 includes top plate 11, bottom Plate 12 and vertical panel 13.The present embodiment shows c-type rack.It should be noted that those skilled in the art can be according to reality Border needs to select the type of rack, shape and structure in the related technology.
Fig. 4 and Fig. 5 respectively illustrate the laser-beam welding machine in present embodiment before welding with welding when structural representation Figure.As shown, upper mold mounting plate 7 is arranged on the top plate 11 of rack 1, linear guides are to be vertically arranged.Motor stator 15 It is fixed on the vertical panel 13 of rack 1, electric mover 14 and linear guides 16 (referring to Fig. 1) connection.14 energy of electric mover It is enough to move vertically along linear guides 16.By the vertical movement of electric mover 14, lifting platform 2 can be driven along linear guides vertical Side moves upwards.
More preferably, the load cell 5 in present embodiment is arranged on lifting platform 2, and the setting of lower mold mounting plate 8 exists 5 upper surfaces of load cell.Specifically, the upper surface of measurement sensor 5 is arranged in lower mold mounting plate 8, and lower mold 18 is set It sets in the upper surface of lower mold mounting plate 8.
In present embodiment, load cell is directly installed on load acting surface, it can be achieved that the precise measurement of clamping force, Keep load measurement precision higher.On the other hand, linear motor has stable active force, is capable of providing the small of minimum 1-22N Clamping force.
It should be noted that those skilled in the art can exist load cell setting according to specific application requirement Other positions, such as be arranged on the lower surface of top plate.It will specifically describe and survey in embodiment three in the present note below The technical solution of top plate is arranged in force snesor.
Preferably, the laser-beam welding machine 1 of present embodiment further includes balance weight mechanism 4 (as shown in Figure 1), is arranged in rack 1 Or on motor stator 15.Balance weight mechanism 4 (as shown in Figure 1) can balance the gravity of lower mold mounting plate 8 and lifting platform 2.When welding, Linear motor only needs to provide the driving force for driving lower mold 18 and the vertical movement of lower workpiece 22, reduces the entirety of laser-beam welding machine Energy consumption, and guarantee the accurate control of clamping force.
More preferably, the balance weight mechanism 4 in the embodiment can be two magnetic springs (as shown in Figure 8), magnetic spring One end 26 rack 1 or motor stator 15 are fixed on by fastener, the other end 27 of magnetic spring is connected with electric mover 14 It connects.
In embodiment, the counterweight balance scheme of gravity block can also be used, such as: using stabilizer, balancing band peace Weighing apparatus clump weight is balanced with linear motor rotor, and Figure 10 is the signal of the counterweight balance of gravity block according to an embodiment of the present invention Figure one, as shown in Figure 10, comprising: stabilizer 31, balancing band 32, connecting bracket 33, balance counterweight 34, are put down at electric mover 35 Weigh wheeling support 36.Wherein, wheeling support 36 is balanced, is arranged on the rack, the setting of stabilizer 31 is on balance wheeling support;Connecting bracket 33 are arranged on electric mover 35;Balancing band 32 is socketed on stabilizer 31, one end and 34 phase of balance counterweight of balancing band 32 The other end of connection, balancing band 32 is connected by stabilizer 31 and connecting bracket 33 with electric mover 35;Wherein, electric mover 35 movements drive balance counterweight 34 to move by balancing band 32.
It should be noted that those skilled in the art can according to need one group of selection or multiple groups gravity block with galassing Weighing apparatus.In Figure 10, the counterweight balance of one group of gravity block illustrate only.Figure 11 is matching for gravity block according to an embodiment of the present invention The schematic diagram two of galassing weighing apparatus in the technical solution shown in Figure 11, shows the counterweight balance of two groups of gravity blocks, is separately positioned on The two sides of rack, in Figure 11, stabilizer 31 is mounted on the rack by balancing wheeling support 36, and two stabilizers use identical ginseng Number configuration, rotates simultaneously, and balancing band 32 is driven to move along stabilizer 31, in the common of electric mover 35 and balance counterweight 34 Effect is lower to realize weight balance function.
It should be noted that magnetic spring and gravity block counterweight balance are only the preferred embodiment of balance weight mechanism, ability Field technique personnel can according to specific application requirement, using other components of any number as balance weight mechanism, such as with Weight cylinder, tension spring, the components such as counterweight hanging block.
More preferably, drive module 3 further includes displacement measuring device 6, is mounted on electric mover 14, motor stator 15 or rack On 1, for measuring the displacement of the vertical movement of electric mover 14.
More preferably, the linear guides 16 (as shown in Figure 3) in present embodiment can be crossed roller guide rail or air-bearing shafts It holds.The contact friction of crossed roller bearing is low, can reduce frictional force to straight line as linear guides using crossed roller bearing The influence of motor driving force.
Air-bearing is to constitute sliding bearing using the dynamic pressure air film of axis and the ring-like chamber of bearing, have at this and it is low it is quiet, Kinetic force of friction, and the numerical value of the frictional force is relatively stable, can be adapted for the company between the mover of linear motor and stator It connects.
Crossed roller bearing and air-bearing are only a kind of preferred embodiment of the linear guides shown in the application, ability Field technique personnel can also carry out simple replacement using other same or similar structure, and this simple replacement still falls within the present invention Protection scope.
More preferably, laser-beam welding machine 1 further includes lifting platform protective cover 9, and setting prevents lifting platform 2 from anticipating in 2 surrounding of lifting platform When falling outside, circumferential component or operator's bring are damaged.
More preferably, laser-beam welding machine further includes laser generator 29 and controller 28.When laser-beam welding machine is run, dynamometry is passed Sensor measures clamping force and by measurement feedback to controller, and controller adjusts linear motor according to the clamping force of measurement in real time Movement, and then realize clamping force measurement and closed-loop control.
In order to be better described, the technical effect that this laser-beam welding machine reaches in welding, below with reference to above-mentioned Laser Welding The structure to pick illustrates implementation steps.Preferably, when implementing, following steps can be used:
Step 1: laser-beam welding machine loads welded workpiece.Start laser-beam welding machine, upper workpiece 21 is mounted on upper mold 20, lower workpiece 22 is mounted on lower mold 18, as shown in Figure 4 and Figure 5.
Step 2: workpiece molding.Lifting platform 2, which rises, reaches parameter preset, such as position, pressure etc., so that in upper mold Upper workpiece 21 and lower mold in lower workpiece 22 by preset pressure.
Step 3: fusion weld workpiece.In workpiece welding position, the transmitting welding laser of laser generator 29, so that welding Joint surface between plastic workpiece, which is heated, melts, and since upper workpiece and lower workpiece are always in a state of stress, makes work Part is engaged with the generation of lower workpiece.
Step 4: pressure maintaining is cooling.Laser generator 29 stops transmitting welding laser, and upper workpiece is constantly in lower workpiece and sets Fixed stress makes workpiece keep size cooling.
Step 5: unloading welding workpiece.The decline of lifting platform 2 reaches predeterminated position, makes upper mold and lower mold separation, takes out Soldered workpiece 30 (as shown in Figure 9).
Embodiment two:
In present embodiment, the linear guides of laser-beam welding machine are horizontally disposed.
Fig. 6 is the structural schematic diagram of according to embodiments of the present invention two laser-beam welding machine, and Fig. 7 is laser as shown in FIG. 6 The main view of bonding machine.As shown, laser-beam welding machine includes rack 1, and upper mold mounting plate 7, drive module 3, lifting platform 2, Lower mold mounting plate 8 and load cell 5.Drive module 3 includes linear guides, motor stator 15 and electric mover 14, difference It is arranged in rack 1.Lifting platform 2 is connected with the electric mover 14 of drive module 3, and lower mold mounting plate 8 passes through force-measuring sensing Device 5 is connected with lifting platform 2, and is correspondingly arranged with upper mold mounting plate 7.
More preferably, the rack in present embodiment is identical as the structure of the rack of embodiment one, and rack 1 includes top plate 11, bottom plate 12 and vertical panel 13.
Specifically, upper mold mounting plate 7 is arranged on the top plate 11 of rack 1.Motor stator 15 is fixed at rack 1 On vertical panel 13, motor stator 15, electric mover 14 are connected with linear guides, and linear guides are arranged horizontally.Electric mover 14 can be along linear guides horizontal movement.By the horizontal movement of electric mover 14, lifting platform 2 can be driven along linear guides in water It square moves upwards.
More preferably, the load cell 5 in present embodiment is arranged on lifting platform 2, and the setting of lower mold mounting plate 8 exists On load cell 5.Specifically, the upper surface of measurement sensor 5 is arranged in lower mold mounting plate 8, and the setting of lower mold 18 exists The upper surface of lower mold mounting plate 8, as shown in Figure 7.
In present embodiment, load cell is directly installed on load acting surface, it can be achieved that the precise measurement of clamping force, Keep load measurement precision higher.On the other hand, linear motor have stable active force, be capable of providing minimum 1N to 22N it Between small clamping force.
It should be noted that those skilled in the art can exist load cell setting according to specific application requirement Other positions, such as be arranged on top plate.Present embodiment is not only to force-measuring sensing as a preferred implementation manner, The restriction of the position of device, any transformation in present embodiment still fall within the technical solution that the present invention protects.
More preferably, drive module 3 further includes displacement measuring device 6, and the scale and probe of displacement measuring device 6 can be distinguished It is mounted in electric mover 14, motor stator 15 or rack 1, for measuring the displacement of 14 horizontal movement of electric mover.Displacement is surveyed Measuring device can be with the displacement of precise measurement electric mover 14, and then improves the positional repeatability of laser-beam welding machine.
More preferably, the linear guides 16 in present embodiment can be crossed roller guide rail or air-bearing.Crossed roller The contact friction of bearing is low, can reduce frictional force to linear motor driving force as linear guides using crossed roller bearing It influences.
Crossed roller bearing or air-bearing are only a kind of preferred embodiment of linear guides, those skilled in the art Simple replacement can be carried out using other same or similar structure, this simple replacement still falls within the protection scope of the application.
More preferably, laser-beam welding machine further includes lifting platform protective cover 9, and setting prevents lifting platform 2 from anticipating in 2 surrounding of lifting platform When outer movement, circumferential component or operator's bring are damaged.
More preferably, laser-beam welding machine further includes laser generator and controller.When laser-beam welding machine is run, load cell Measure clamping force and by measurement feedback to controller, controller adjusts the fortune of linear motor according to the clamping force of measurement in real time It is dynamic, and then realize the measurement and closed-loop control of clamping force.
It should be noted that described in the course of work and embodiment one of the laser-beam welding machine that embodiment two provides The course of work is identical, therefore, will not be described in great detail herein.
Embodiment three:
In present embodiment, the linear guides of laser-beam welding machine are to be vertically arranged, and top plate is arranged in load cell On lower surface.
As shown in figure 8, laser-beam welding machine 3 includes rack 1, upper mold mounting plate 7, drive module 3, lifting platform 2, lower mold Mounting plate 8 and load cell 5.Drive module 3 includes linear guides, motor stator 15 and electric mover 14, is separately positioned on In rack 1.Lifting platform 2 is connected with the electric mover 14 of drive module 3, and lower mold mounting plate 8 is arranged on lifting platform 2, and It is correspondingly arranged with upper mold mounting plate 7.
Rack 1 includes top plate 11, bottom plate 12 and vertical panel 13.Motor stator 15 is fixed at the vertical panel 13 of rack 1 On, electric mover 14 and linear guides are slidably connected.Electric mover 14 can move vertically along linear guides.Pass through electric mover Vertical movement, lifting platform 2 can be driven to move in vertical direction along linear guides.
More preferably, the load cell 5 in present embodiment is arranged on the lower surface of top plate 11, and upper mold mounting plate 7 are arranged in 5 lower surface of load cell.Specifically, the lower surface of load cell 5 is arranged in upper mold mounting plate 7, on The lower surface of upper mold mounting plate 7 is arranged in mold 20.
In present embodiment, load cell is directly installed on load acting surface, it can be achieved that the precise measurement of clamping force, Keep load measurement precision higher.On the other hand, linear motor have stable active force, be capable of providing minimum 1N to 22N it Between small clamping force.
Preferably, the laser-beam welding machine of present embodiment further includes balance weight mechanism 4, is arranged in rack 1.Balance weight mechanism 4 The gravity of lower mold mounting plate 8 and lifting platform 2 can be balanced.When welding, linear motor, which only needs to provide, drives lower mold 18 and lower work The driving force of part 22 reduces the whole energy consumption of laser-beam welding machine, and guarantees the accurate control of clamping force.
More preferably, the balance weight mechanism 4 in the embodiment is two magnetic springs, wherein one end of each magnetic spring 26 are fixed in rack 1 or on motor stator 15, and the other end 27 is connected with electric mover 14.
It should be noted that magnetic spring is only a kind of preferred embodiment of balance weight mechanism, those skilled in the art can root According to specific application requirement, using other components of any number as balance weight mechanism, such as counterweight cylinder, tension spring, counterweight The components such as hanging block.
More preferably, drive module 3 further includes displacement measuring device, and the scale and probe of displacement measuring device 6 are installed respectively In electric mover 14, motor stator 15 or rack 1, for measuring the displacement of the vertical movement of electric mover 14.
More preferably, the linear guides in present embodiment can be crossed roller guide rail or air-bearing.Crossed roller axis The contact friction held is low, can reduce frictional force to the shadow of linear motor driving force as linear guides using crossed roller bearing It rings.
Crossed roller bearing and air-bearing are only a kind of preferred embodiment of linear guides, those skilled in the art Simple replacement can be carried out using other same or similar structure, this simple replacement still falls within the protection scope of the application.
More preferably, laser-beam welding machine further includes lifting platform protective cover 9, and setting prevents lifting platform 2 from anticipating in 2 surrounding of lifting platform When outer movement, circumferential component or operator's bring are damaged.
More preferably, laser-beam welding machine further includes laser generator and controller.When laser-beam welding machine is run, load cell Measure clamping force and by measurement feedback to controller, controller adjusts the fortune of linear motor according to the clamping force of measurement in real time It is dynamic, and then realize the measurement and closed-loop control of clamping force.
It should be noted that described in the course of work and embodiment one of the laser-beam welding machine that embodiment three provides The course of work is identical, therefore, will not be described in great detail herein.
Through the foregoing embodiment, a kind of laser-beam welding machine, including rack, upper mold mounting plate are provided, drive module rises Platform, lower mold mounting plate and load cell drop;Wherein, upper mold mounting plate is arranged on the top plate of rack;Drive module, packet Linear guides and linear motor rotor and linear motor stator electric are included, linear guides setting is fixed in linear motor rotor and linear motor Between son, linear motor rotor and linear motor stator electric is set to be slidably connected, motor stator is fixed on the vertical panel of rack; Lifting platform is connected with electric mover, drives lifting platform movement by the movement of electric mover;Lower mold mounting plate passes through dynamometry Sensor is connect with lifting platform, and is correspondingly arranged with upper mold mounting plate;Load cell can measure upper mold and lower mold it Between clamping force.Laser-beam welding machine of the invention uses linear motor, has stable active force, and pass through load cell energy Clamping force between enough precise measurement upper molds and lower mold can provide small clamping force to welding workpiece.It should be noted that this A little technical effects are not possessed by above-mentioned all embodiments, some have the technical effect that certain preferred embodiment ability It obtains.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims (14)

1. a kind of laser-beam welding machine characterized by comprising
Rack;
Upper mold mounting plate is mounted on the top plate of the rack;
Drive module, including linear guides and linear motor rotor and linear motor stator electric, the linear guides are arranged described Between linear motor rotor and the linear motor stator electric, slides the linear motor rotor and the linear motor stator electric and connect It connects, the motor stator is fixed on the vertical panel of the rack:
Lifting platform is connected with the electric mover, drives the lifting platform to move by the movement of the electric mover;
Load cell measures the clamping force of the laser-beam welding machine;
Lower mold mounting plate is connect by the load cell with the lifting platform, and corresponding with the upper mold mounting plate Setting.
2. laser-beam welding machine according to claim 1, which is characterized in that the linear guides are to be vertically arranged, the electricity Motor-driven son moves vertically along the linear guides,
The drive module further includes the first displacement measuring device, is mounted on the electric mover, the motor stator or described In rack, the vertical movement for measuring the electric mover is displaced.
3. laser-beam welding machine according to claim 1, which is characterized in that the linear guides are horizontally disposed, the electricity Motor-driven son along the linear guides horizontal movement,
The drive module further includes second displacement measuring device, is mounted on the electric mover, the motor stator or described In rack, the horizontal movement for measuring the electric mover is displaced.
4. laser-beam welding machine according to claim 2, which is characterized in that the laser-beam welding machine further includes balance weight mechanism, It is arranged in the rack, for balancing the gravity of the lower mold mounting plate and the lifting platform.
5. laser-beam welding machine according to claim 4, which is characterized in that the balance weight mechanism includes magnetic spring;
One end of the magnetic spring is fixed in the rack, and the other end is connected with the electric mover.
6. laser-beam welding machine according to claim 4, which is characterized in that the balance weight mechanism includes:
Stabilizer;
Balance counterweight;
Wheeling support is balanced, is arranged in the rack, the stabilizer is arranged on the balance wheeling support;
Electric mover;
Connecting bracket is mounted on the electric mover;
Balancing band is socketed on the stabilizer, and one end of the balancing band is connected with the balance counterweight, the balance The other end of band is connected by the stabilizer and connecting bracket with the electric mover;
Wherein, the electric mover movement drives balance counterweight movement by the balancing band.
7. laser-beam welding machine according to claim 1, which is characterized in that a surface of the load cell with it is described Lifting platform is connected, another surface is connected with the lower mold mounting plate.
8. laser-beam welding machine according to claim 7, which is characterized in that the lower mold mounting plate and the measurement sense The surface of device connects, and the upper surface of the lower mold mounting plate is arranged in the lower mold.
9. laser-beam welding machine according to claim 1, which is characterized in that the top plate is arranged in the load cell Lower surface, and the lower surface of the load cell is arranged in the upper mold mounting plate.
10. laser-beam welding machine according to claim 9, which is characterized in that the upper mold setting is pacified in the upper mold The lower surface of loading board.
11. laser-beam welding machine according to any one of claim 1 to 10, which is characterized in that the linear guides include: Crossed roller guide rail or air-bearing.
12. laser-beam welding machine according to any one of claim 1 to 10, which is characterized in that the laser welding is also wrapped Lifting platform protective cover is included, is arranged in the lifting platform surrounding.
13. laser-beam welding machine according to any one of claim 1 to 10, which is characterized in that
The rack includes bottom plate, top plate and vertical panel, wherein the bottom plate and the top plate are vertically disposed on described hang down The both ends of straight panel;
The upper mold mounting plate is mounted on the top plate;
The drive module setting is on the vertical panel.
14. laser-beam welding machine according to any one of claim 1 to 10, which is characterized in that the laser-beam welding machine is also Including laser generator and controller;
The clamping force that the controller is measured according to the load cell adjusts the movement of the linear motor in real time.
CN201811103746.XA 2018-09-14 2018-09-14 Laser-beam welding machine Pending CN109228366A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811103746.XA CN109228366A (en) 2018-09-14 2018-09-14 Laser-beam welding machine
PCT/CN2019/080966 WO2020052225A1 (en) 2018-09-14 2019-04-02 Laser welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811103746.XA CN109228366A (en) 2018-09-14 2018-09-14 Laser-beam welding machine

Publications (1)

Publication Number Publication Date
CN109228366A true CN109228366A (en) 2019-01-18

Family

ID=65056371

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811103746.XA Pending CN109228366A (en) 2018-09-14 2018-09-14 Laser-beam welding machine

Country Status (1)

Country Link
CN (1) CN109228366A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650077A (en) * 1993-02-26 1997-07-22 Kuka Schweissanlagen + Roboter Gmbh Process and device for laser welding
DE202005007282U1 (en) * 2005-05-02 2005-07-07 Bielomatik Leuze Gmbh + Co.Kg Vibration welding plant for welding plastic or plastic composite components has drive unit acting in conjunction with stroking drive unit to produce a set horizontal movement of the lower tool
DE102004035146A1 (en) * 2004-07-15 2006-02-09 Bielomatik Leuze Gmbh + Co Kg Vibration welding machine
CN202668988U (en) * 2011-12-15 2013-01-16 必能信超声(上海)有限公司 System for controlling vibration friction wielding machine with heating device
CN104385577A (en) * 2014-09-25 2015-03-04 江苏大学 Laser transmission welding clamping apparatus capable of achieving any curved surface welding
DE102014101627A1 (en) * 2014-02-10 2015-08-13 Ms Spaichingen Gmbh Rack for a machine
CN105109035A (en) * 2015-09-25 2015-12-02 上海信耀电子有限公司 Semiconductor laser synchronous welding set and operating mode thereof
EP3117979A1 (en) * 2015-07-17 2017-01-18 Shanghai Seeyao Electronics Co Ltd Process and device for simultaneous laser welding
CN107053680A (en) * 2016-12-07 2017-08-18 必能信超声(上海)有限公司 Ultrasonic welding machine and control method
CN108453788A (en) * 2018-04-20 2018-08-28 华中科技大学 A kind of mechanical arm weight torque balance device capable of reversing
CN209191331U (en) * 2018-09-14 2019-08-02 必能信超声(上海)有限公司 Laser-beam welding machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650077A (en) * 1993-02-26 1997-07-22 Kuka Schweissanlagen + Roboter Gmbh Process and device for laser welding
DE102004035146A1 (en) * 2004-07-15 2006-02-09 Bielomatik Leuze Gmbh + Co Kg Vibration welding machine
DE202005007282U1 (en) * 2005-05-02 2005-07-07 Bielomatik Leuze Gmbh + Co.Kg Vibration welding plant for welding plastic or plastic composite components has drive unit acting in conjunction with stroking drive unit to produce a set horizontal movement of the lower tool
CN202668988U (en) * 2011-12-15 2013-01-16 必能信超声(上海)有限公司 System for controlling vibration friction wielding machine with heating device
DE102014101627A1 (en) * 2014-02-10 2015-08-13 Ms Spaichingen Gmbh Rack for a machine
CN104385577A (en) * 2014-09-25 2015-03-04 江苏大学 Laser transmission welding clamping apparatus capable of achieving any curved surface welding
EP3117979A1 (en) * 2015-07-17 2017-01-18 Shanghai Seeyao Electronics Co Ltd Process and device for simultaneous laser welding
CN105109035A (en) * 2015-09-25 2015-12-02 上海信耀电子有限公司 Semiconductor laser synchronous welding set and operating mode thereof
CN107053680A (en) * 2016-12-07 2017-08-18 必能信超声(上海)有限公司 Ultrasonic welding machine and control method
CN108453788A (en) * 2018-04-20 2018-08-28 华中科技大学 A kind of mechanical arm weight torque balance device capable of reversing
CN209191331U (en) * 2018-09-14 2019-08-02 必能信超声(上海)有限公司 Laser-beam welding machine

Similar Documents

Publication Publication Date Title
CN108358058A (en) A kind of intelligent suspender of posture adjustment
EP3002102A1 (en) Unloading robot having function of sensing weight of injected material
CN213469959U (en) Full-automatic welding equipment
CN209970060U (en) Self-correcting assembly butt joint system for attitude of air-float ball bearing
CN112008390B (en) Self-correcting assembly butt joint system for attitude of air-float ball bearing
CN209191331U (en) Laser-beam welding machine
CN105127960B (en) A kind of Multifunctional working platform
CN112540019A (en) High-speed friction interface optical in-situ observation precision friction and wear testing machine
CN105563476A (en) Three-freedom-degree mechanical arm
US5371931A (en) Production system for molded and pressed parts
CN101852590B (en) Tubular column type instrument board framework visual detection positioning device of automobile
CN109228366A (en) Laser-beam welding machine
WO2020052225A1 (en) Laser welding machine
CN208304351U (en) A kind of automatic package system of four axis robots
CN105865895A (en) Automatic testing method and system for radial mechanical properties of cork base of draught-beer barrel
CN102221388B (en) Device for measuring volume of gram weights
CN107748169A (en) A kind of VR screens automatic detection device
CN217799694U (en) Busbar repair welding device
CN210603251U (en) Machine for detecting aperture and height of machined part
CN206140193U (en) Magnetic suspension machining center weighting system
CN115388836A (en) Dynamic measurement device and measurement method for dimension of hybrid power transmission shafting
CN212444948U (en) Automobile part support for vision measurement
CN215447805U (en) Flatness detection device
CN212622694U (en) AGV robot is with quick detection device to battery detection
CN209319179U (en) A kind of roller bearing detects press automatically

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190118

WD01 Invention patent application deemed withdrawn after publication