CN109454332A - A kind of precise laser welding procedure and welder based on energy density control - Google Patents
A kind of precise laser welding procedure and welder based on energy density control Download PDFInfo
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- CN109454332A CN109454332A CN201811384793.6A CN201811384793A CN109454332A CN 109454332 A CN109454332 A CN 109454332A CN 201811384793 A CN201811384793 A CN 201811384793A CN 109454332 A CN109454332 A CN 109454332A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of precise laser welder based on energy density control, including laser and working plate, laser is fixed on working plate upper surface forward position, clamping device is mounted on working plate upper surface left part, supporting mechanism is fixed in working plate lower end surface, supporting mechanism includes rotor plate, side baffle, sliding slot, fastening bolt, connect stick, dovetail draw runner, base plate, fixed column, nut seat, screw rod, triangle stiffening plate, fixes sleeve and dovetail groove, clamping device includes focus lamp, braced frame one, T-type connecting rod, spring, push rod, pressing plate, braced frame two, L-type limit plate, threaded rod, location hole, locating piece and guide plate, the present invention also provides a kind of precise laser welding procedures based on energy density control, compared with prior art, the present invention have it is following the utility model has the advantages that The function of support and height-regulating is realized, and has the function of holding and take, also achieves the function of clamping position.
Description
Technical field
The present invention is a kind of precise laser welding procedure and welder based on energy density control, belongs to laser welding
Apparatus field.
Background technique
The existing precise laser welder based on energy density control is usually a kind of fixed structure, can not be adjusted
Height is also not easy to place workpiece, and the existing precise laser welder based on energy density control can not be to workpiece
It is clamped positioning, is caused when being positioned to workpiece, passes, heavy workload are needed.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of precise lasers based on energy density control
Welder, to solve the problems mentioned in the above background technology.
To achieve the goals above, the present invention is to realize by the following technical solutions: one kind is based on energy density control
The precise laser welder of system, including galvanometer, translation stage, laser and working plate, the translation stage are solid by screw
Working plate upper surface rear positions are scheduled on, the laser is fixed on working plate upper surface forward position, and the galvanometer is right
End is fixed on translation stage front end face top by triangle fixed plate, and clamping device, the clamping machine is arranged immediately below the galvanometer
Structure is mounted on working plate upper surface left part, and the fixed supporting mechanism in the working plate lower end surface, the supporting mechanism includes turning
Movable plate, side baffle, sliding slot, fastening bolt, connection stick, dovetail draw runner, base plate, fixed column, nut seat, screw rod, triangle add
Strong plate, fixes sleeve and dovetail groove, the clamping device include focus lamp, braced frame one, T-type connecting rod, spring, push away
Bar, pressing plate, braced frame two, L-type limit plate, threaded rod, location hole, locating piece and guide plate.
Further, in the supporting mechanism, the rotor plate lower left is rotated by hinge with stick left end is connect
Connection, and rotor plate setting is slidably connected at the side baffle right side in connection stick upper surface, the rotor plate and connection stick
In portion, sliding slot is machined in the side baffle left end, the fastening bolt right end passes through the sliding slot on side baffle, and passes through screw thread
It is rotatablely connected with stick is connect, base plate upper surface left part is machined with dovetail groove, and be slidably connected dovetail on the dovetail groove
Draw runner, dovetail draw runner upper surface left part are fixedly connected by screw with side baffle, base plate upper surface middle position
Fixed fixed column, the fixes sleeve are sleeved in fixed column annular side, and triangle stiffening plate left end is by bolt and admittedly
Determine sleeve to be fixedly connected, and triangle stiffening plate is arranged in base plate upper surface, the nut seat, which is inlayed, is fixed on triangle stiffening plate
Lower end surface, and nut seat is rotatably connected in screw rod annular side by ball nut pair, the screw lower end passes through nut seat,
And be rotatablely connected by bearing and base plate upper end, the fixes sleeve is fixed on working plate lower end surface middle position.
Further, the side baffle right side is machined with open slot, and connection stick and rotation are placed on open slot
Clamping plate is arranged in plate, the side baffle left end, and the clamping plate is sleeved on fastening bolt annular side by circular hole, is actually using
When, user of service holds side baffle and is moved to the left by dovetail draw runner along dovetail groove, to drive rotor plate and connection
Stick is moved to the left, and then rotor plate is moved to the left and is moved on the left of working plate, and user of service is upward along sliding slot at this time
Mobile fastening bolt so that connection stick be driven to move up, and then drives rotor plate to move up, and then rotor plate is to moving up
It moves and is moved on the left of clamping device, to realize to protecting on the left of clamping device, user of service's hand is avoided to stretch to the right
Enter, got to by laser, is moved upwards up to end face thereon and side baffle upper end surface when same level in connection stick, uses
Personnel rotate fastening bolt, and fastening bolt is rotated and moved right, so that clamping plate and connection stick are clamped,
Then user of service rotates down rotor plate around hinge central axes, is in contact in rotor plate left side with side baffle upper surface
When, side baffle hinders rotor plate rotation at this time, and then user of service is also convenient for need to weld convenient for taking rotor plate
Workpiece be placed on rotor plate, taken and the function that holds to realize.
Further, the screw rod upper end is fixed with handle one, and in actual use, user of service holds handle one and goes forward side by side
Row rotation, so that screw rod be driven to rotate, then screw rod rotates and rotation operation is become straight line under the action of ball nut pair
Operation, and then nut seat is driven to move up along screw rod, so that triangle stiffening plate be driven to move up, and then drive fixing sleeve
Cylinder is moved up along fixed column, so that working plate be driven to move up, to realize the function of height-regulating, and then user
Member moves up fastening bolt again along sliding slot, so that connection stick and rotor plate is driven to move up along open slot,
Then rotor plate is moved up and is in contact with working plate lower end surface, and user of service rotates fastening bolt at this time, from
And realize and connection stick is clamped, and then rotor plate is fixed, the support function to working plate is realized, and mention
High stability of strutting system, and the design of triangle stiffening plate then further improves the stability of strutting system to working plate.
Further, in the clamping device, the focus lamp, which is inlayed, is fixed on one upper surface interposition of braced frame
It sets, the braced frame one is weldingly fixed on two upper surface of braced frame, and T-type connecting rod lower end passes through braced frame two,
And be fixedly connected by screw with the pressing plate of lower part in braced frame two, the spring pocket is in T-type connecting rod, and spring is set
It sets between pressing plate and braced frame two, the pressing plate lower end is slidably connected push rod, and the push rod is left from braced frame two respectively
Right two sides are extended, and two lower right of braced frame connects L-type limit plate, and the braced frame two and L-type limit plate are equal
In working plate upper surface, the threaded rod lower end passes through L-type limit plate, and is turned by bearing and working plate upper surface for setting
Dynamic connection, two rear end face of braced frame are machined with location hole, and the location hole is internally provided with locating piece, the locating piece
It is fixed on guide plate front end face, the guide plate slides are connected to working plate upper surface.
Further, two left and right sides of braced frame is machined with rectangular aperture, the push rod lower end surface and pressing plate
Lower end surface is in same level, there are two the T-type connecting rod, spring and pressing plate are all provided with, two T-type connecting rods pair
Claim setting in one left and right sides of braced frame, T-type connecting rod cross section is square, and in actual use, user of service will
Unwelded workpiece is put into lower end surface in braced frame two, and is placed on two pressing plate lower end surfaces, and then user of service holds a left side
The push rod of side simultaneously moves right, so that workpiece be driven to move right, and then the push rod on right side is driven to move right, thus realization pair
Workpiece is aligned, and then the effect of spring with dynamic pressure plate to move down, and then compress to workpiece, is terminated in welding
Afterwards, the push rod that user of service holds left side moves right again, to drive the push rod on the mobile right side of workpiece to move right, then
The push rod on right side is mutually separated with pressing plate, then proceedes to push push rod, so that workpiece be driven to open from the rectangle on two right side of braced frame
Mouth stretches out, consequently facilitating removing to workpiece.
Further, two lower right of braced frame is machined with card slot, and strip, the strip are provided in the card slot
It is fixed on L-type limit plate left side, the threaded rod annular side is rotatablely connected by screw thread and L-type limit plate, is actually made
Used time, user of service hold braced frame two and move backward along working plate upper surface, to realize that card slot and strip are sliding
Dynamic connection, and then realize that strip is arranged in the card slot in braced frame two, then user of service rotates threaded rod, spiral shell
Rasp bar rotation simultaneously drives L-type limit plate to move up under threaded function, and then by strip drive braced frame two to moving up
Dynamic, to realize the function of height-regulating, the design of L-type limit plate is then convenient for being oriented to the movement of braced frame two.
Further, the working plate upper surface is machined with guide groove, slidably connects guide plate on the guide groove,
The guide plate front end face is fixed at least two locating pieces, the tapered structure of locating piece, in actual use, user
Member moves backward braced frame two, so that location hole be driven to move backward, and then realizes that locating piece enters positioning hole, thus real
Showed braced frame two to be limited and positioned, then braced frame two move upwardly through locating piece drive guide plate along
Guide groove moves up, thus realize braced frame two is oriented to, and then improve braced frame two move up it is steady
It is qualitative, and the design of locating piece also avoids guide plate from sliding by guide groove.
Further, a kind of precise laser welding procedure based on energy density control, comprising the following steps: the laser
Device is connected by data line with galvanometer, and laser is connected by conducting wire with external controller and external power supply, in reality
Then border prestores suitable in use, user of service connects the circuit between external power supply and laser and external controller first
The different tracks figure of various materials is closed, then laser is started to work, while the power of external controller control laser, is swashed
Laser beam is transferred to galvanometer by data line by light device, while translation stage work drives galvanometer mobile, and then galvanometer is mobile simultaneously
Vibration so that light be projected, and then realizes welding, walks the trace graphics that " 8 " " circle " " concentric circles " etc. continuously repeats, and is rising
Initial point increases laser power, and small step is careful, and terminating point reduces laser power, and big step is hurried up, when dissimilar metal splices and welds, weld seam
Two sides use different laser powers, vibration frequency and trace graphics, and in laser reflectivity height, the high metal side of fusing point is big
The slow path velocity of power, low-melting metal side low-power high path velocity, if not dissimilar metal low in laser reflectivity
When welding, then two sides use consistent laser power, vibration frequency and trace graphics, and vibration is then promoted within initial phase
Frequency and output power, then according to predetermined scheme, process for stabilizing welding is mended at turning according to the increase and decrease of translation stage speed
Bonding power and track platform chattering frequency are repaid, avoids deceleration burning, while shaking and scheming according to the steering synchronous adjustment of translation stage
The direction of shape track reduces vibration frequency and output power in special time period, is then shut off laser when closing on terminal
Device and galvanometer realize the accurate of laser weld energy density by the accurate control to laser power, welding track and speed
The welding defect due to generating when mobile station machinery speed change is eliminated in control.
Beneficial effects of the present invention: a kind of precise laser welder based on energy density control of the invention, this hair
It is bright by addition rotor plate, side baffle, sliding slot, fastening bolt, connection stick, dovetail draw runner, base plate, fixed column, nut seat,
Screw rod, triangle stiffening plate, fixes sleeve and dovetail groove realize the function of support and height-regulating, and have and hold and multiply
The function of seat.
The present invention passes through addition focus lamp, braced frame one, T-type connecting rod, spring, push rod, pressing plate, braced frame two, L
Type limit plate, threaded rod, location hole, locating piece and guide plate realize the function of clamping position, and convenient for carrying out to height
It adjusts.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the precise laser welder based on energy density control of the present invention；
Fig. 2 is the facing structure signal of supporting mechanism in a kind of precise laser welder based on energy density control of the present invention
Figure；
Fig. 3 is the explosion of dovetail draw runner and base plate in a kind of precise laser welder based on energy density control of the present invention
Structural schematic diagram；
Fig. 4 is the structural schematic diagram of side baffle in a kind of precise laser welder based on energy density control of the present invention；
Fig. 5 is a kind of structural representation of the precise laser welder intermediate cam stiffening plate based on energy density control of the present invention
Figure；
Fig. 6 is the facing structure signal of clamping device in a kind of precise laser welder based on energy density control of the present invention
Figure；
Fig. 7 is the right view structural representation of clamping device in a kind of precise laser welder based on energy density control of the present invention
Figure；
Fig. 8 is that the assembling structure of pressing plate and push rod is shown in a kind of precise laser welder based on energy density control of the present invention
It is intended to；
Fig. 9 is a kind of process flow diagram of the precise laser welding procedure based on energy density control of the present invention；
In figure: 1- supporting mechanism, 2- clamping device, 3- galvanometer, 4- translation stage, 5- laser, 6- working plate, 101- rotation
Plate, 102- side baffle, 103- sliding slot, 104- fastening bolt, 105- connection stick, 106- dovetail draw runner, 107- base plate, 108-
Fixed column, 109- nut seat, 110- screw rod, 111- triangle stiffening plate, 112- fixes sleeve, 113- dovetail groove, 201- focus lamp,
202- braced frame one, 203-T type connecting rod, 204- spring, 205- push rod, 206- pressing plate, 207- braced frame two, 208-L
Type limit plate, 209- threaded rod, 210- location hole, 211- locating piece, 212- guide plate.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1 to Fig. 9 is please referred to, the present invention provides a kind of technical solution: a kind of precise laser based on energy density control
Welder, including galvanometer 3, translation stage 4, laser 5 and working plate 6, translation stage 4 are fixed by screws in working plate
6 upper surface rear positions, laser 5 are fixed on 6 upper surface forward position of working plate, and 3 right end of galvanometer passes through triangle fixed plate
It is fixed on 4 front end face top of translation stage, clamping device 2 is set immediately below galvanometer 3, clamping device 2 is mounted on 6 upper end of working plate
Face left part, the fixed supporting mechanism 1 in 6 lower end surface of working plate, supporting mechanism 1 include rotor plate 101, side baffle 102, sliding slot 103,
Fastening bolt 104, connection stick 105, dovetail draw runner 106, base plate 107, fixed column 108, nut seat 109, screw rod 110, three
Angle stiffening plate 111, fixes sleeve 112 and dovetail groove 113, clamping device 2 include focus lamp 201, braced frame 1, T-type
Connecting rod 203, spring 204, push rod 205, pressing plate 206, braced frame 2 207, L-type limit plate 208, threaded rod 209, location hole
210, locating piece 211 and guide plate 212.
In supporting mechanism 1,101 lower left of rotor plate is rotatablely connected by hinge with 105 left end of stick is connect, and is rotated
The setting of plate 101 is slidably connected at 102 right side of side baffle in connection 105 upper surface of stick, rotor plate 101 and connection stick 105
In portion, sliding slot 103 is machined in 102 left end of side baffle, 104 right end of fastening bolt passes through the sliding slot 103 on side baffle 102, and
It is rotatablely connected by screw thread with stick 105 is connect, 107 upper surface left part of base plate is machined with dovetail groove 113, on dovetail groove 113
Be slidably connected dovetail draw runner 106, and 106 upper surface left part of dovetail draw runner is fixedly connected by screw with side baffle 102, base plate
Fixed column 108 is fixed in 107 upper surfaces middle position, and fixes sleeve 112 is sleeved in 108 annular side of fixed column, and triangle is reinforced
111 left end of plate is fixedly connected by bolt with fixes sleeve 112, and triangle stiffening plate 111 is arranged in 107 upper surface of base plate,
Nut seat 109, which is inlayed, is fixed on 111 lower end surface of triangle stiffening plate, and nut seat 109 is rotatably connected on silk by ball nut pair
In 110 annular side of bar, 110 lower end of screw rod passes through nut seat 109, and is rotatablely connected by bearing and 107 upper end of base plate, Gu
Determine sleeve 112 and is fixed on 6 lower end surface middle position of working plate.
In clamping device 2, focus lamp 201, which is inlayed, is fixed on one 202 upper surface middle position of braced frame, braced frame
One 202 are weldingly fixed on 2 207 upper surface of braced frame, and 203 lower end of T-type connecting rod passes through braced frame 2 207, and passes through spiral shell
Nail is fixedly connected with the pressing plate 206 of lower part in braced frame 2 207, and spring 204 is sleeved in T-type connecting rod 203, and spring
204 are arranged between pressing plate 206 and braced frame 2 207, and 206 lower end of pressing plate is slidably connected push rod 205, push rod 205 respectively from
2 207 left and right sides of braced frame is extended, and 2 207 lower right of braced frame connects L-type limit plate 208, braced frame 2 207
And L-type limit plate 208 is arranged at 6 upper surface of working plate, 209 lower end of threaded rod passes through L-type limit plate 208, and passes through
Bearing and 6 upper surface of working plate are rotatablely connected, and 2 207 rear end face of braced frame is machined with location hole 210, in location hole 210
Portion is provided with locating piece 211, and locating piece 211 is fixed on 212 front end face of guide plate, and guide plate 212 is slidably connected at working plate 6
Upper surface.
As an embodiment of the present invention: 102 right side of side baffle is machined with open slot, and connection is placed on open slot
Clamping plate is arranged in stick 105 and rotor plate 101,102 left end of side baffle, and clamping plate is sleeved on 104 annular of fastening bolt by circular hole
Side, in actual use, user of service hold side baffle 102 and by dovetail draw runner 106 along dovetail groove 113 to moving to left
Dynamic, so that rotor plate 101 and connection stick 105 be driven to be moved to the left, then rotor plate 101 is moved to the left and is moved to work
6 left side of platen, user of service moves up fastening bolt 104 along sliding slot 103 at this time, to drive connection stick 105 upward
It is mobile, and then rotor plate 101 is driven to move up, then rotor plate 101 moves up and is moved to 2 left side of clamping device, from
And realize to being protected on the left of clamping device 2, it avoids user of service's hand from protruding into the right, is got to by laser, in connection stick
105 are moved upwards up to end face thereon and 102 upper end surface of side baffle when same level, and user of service is to fastening bolt 104
It is rotated, fastening bolt 104 is rotated and moved right, to be clamped to clamping plate and connection stick 105, is then used
Personnel rotate down rotor plate 101 around hinge central axes, are in contact in 101 left side of rotor plate with 102 upper surface of side baffle
When, side baffle 102 hinders rotor plate 101 to rotate at this time, and then user of service is also convenient for convenient for taking to rotor plate 101
The workpiece welded will be needed to be placed on rotor plate 101, to realize the function of taking and hold.
As an embodiment of the present invention: 110 upper end of screw rod is fixed with handle one, in actual use, user of service
It holds handle to be rotated together, so that screw rod 110 be driven to rotate, then screw rod 110 rotates and in the effect of ball nut pair
It is lower that rotation operation is become into linear running, and then nut seat 109 is driven to move up along screw rod 110, so that triangle be driven to add
Strong plate 111 moves up, and then fixes sleeve 112 is driven to move up along fixed column 108, thus drive working plate 6 to
Upper movement, to realize the function of height-regulating, then user of service moves up fastening bolt 104 again along sliding slot 103, from
And drive connection stick 105 and rotor plate 101 moved up along open slot, then rotor plate 101 move up and and work
Make 6 lower end surface of platen to be in contact, user of service rotates fastening bolt 104 at this time, thus realize to connection stick 105 into
Row clamps, and then rotor plate 101 is fixed, and realizes the support function to working plate 6, and improve supporting & stablizing
Property, and the design of triangle stiffening plate 111 then further improves the stability of strutting system to working plate 6.
As an embodiment of the present invention: 2 207 left and right sides of braced frame is machined with rectangular aperture, push rod 205
Lower end surface and 206 lower end surface of pressing plate are in same level, and T-type connecting rod 203, spring 204 and pressing plate 206 are equipped with two
A, two T-type connecting rods 203 are symmetricly set on one 202 left and right sides of braced frame, and 203 cross section of T-type connecting rod is square,
In actual use, unwelded workpiece is put into lower end surface in braced frame 2 207 by user of service, and is placed on two pressing plates
206 lower end surfaces, then user of service holds the push rod 205 in left side and moves right, to drive workpiece to move right, and then band
The push rod 205 on dynamic right side moves right, and is aligned to realize to workpiece, and then the effect of spring 204 is to dynamic pressure plate
206 move down, and then compress to workpiece, and after welding, user of service holds the push rod 205 in left side again to the right
Mobile, so that the push rod 205 on the mobile right side of workpiece be driven to move right, then the push rod 205 on right side is separated with 206 phase of pressing plate,
It then proceedes to push push rod 205, to drive workpiece to stretch out from the rectangular aperture on 2 207 right side of braced frame, consequently facilitating right
Workpiece is removed.
As an embodiment of the present invention: 2 207 lower right of braced frame is machined with card slot, is provided with card in card slot
Item, strip are fixed on 208 left side of L-type limit plate, and 209 annular side of threaded rod is connected by screw thread and the rotation of L-type limit plate 208
It connects, in actual use, user of service holds braced frame 2 207 and moves backward along 6 upper surface of working plate, thus real
Existing card slot is slidably connected with strip, and then realizes that strip is arranged in the card slot in braced frame 2 207, then user of service couple
Threaded rod 209 is rotated, and the rotation of threaded rod 209 simultaneously drives L-type limit plate 208 to move up under threaded function, Jin Ertong
Crossing strip drives braced frame 2 207 to move up, to realize the function of height-regulating, the design of L-type limit plate 208 is then convenient for
The movement of braced frame 2 207 is oriented to.
As an embodiment of the present invention: 6 upper surface of working plate is machined with guide groove, slidably connects on guide groove
Guide plate 212,212 front end face of guide plate are fixed at least two locating pieces 211, and the tapered structure of locating piece 211 actually makes
Used time, user of service move backward braced frame 2 207, so that location hole 210 be driven to move backward, and then realize locating piece
211 enter in location hole 210, are limited and are positioned to realize braced frame 2 207, then braced frame 2 207
Moving upwardly through locating piece 211 drives guide plate 212 to move up along guide groove, to realize to braced frame 2 207
It is oriented to, and then improves the stability that braced frame 2 207 moves up, and the design of locating piece 211 also avoids being oriented to
Plate 212 is slid by guide groove.
A kind of precise laser welding procedure based on energy density control, comprising the following steps: laser 5 passes through data line
It is connected with galvanometer 3, and laser 5 is connected by conducting wire with external controller and external power supply, it is in actual use, first
First user of service connects the circuit between external power supply and laser 5 and external controller, then prestores and is suitble to various materials
Different tracks figure, then laser 5 start to work, while external controller control laser 5 power, laser 5 will
Laser beam is transferred to galvanometer 3 by data line, while the work of translation stage 4 drives galvanometer 3 mobile, and then galvanometer 3 is mobile and shakes
It is dynamic, so that light be projected, and then realize welding, walks the trace graphics that " 8 " " circle " " concentric circles " etc. continuously repeats, originating
Point increases laser power, and small step is careful, and terminating point reduces laser power, and big step is hurried up, when dissimilar metal splices and welds, weld seam two
Side uses different laser powers, vibration frequency and trace graphics, in laser reflectivity height, the high big function in metal side of fusing point
The slow path velocity of rate, low-melting metal side low-power high path velocity, if not welding of dissimilar metal low in laser reflectivity
When connecing, then two sides use consistent laser power, vibration frequency and trace graphics, and vibration frequency is then promoted within initial phase
Rate and output power, then according to predetermined scheme, process for stabilizing welding is mended at turning according to the increase and decrease of 4 speed of translation stage
Bonding power and track platform chattering frequency are repaid, avoids deceleration burning, while shaking and scheming according to the steering synchronous adjustment of translation stage 4
The direction of shape track reduces vibration frequency and output power in special time period, is then shut off laser when closing on terminal
Device 5 and galvanometer 3 realize the essence of laser weld energy density by the accurate control to laser power, welding track and speed
Quasi- control, the welding defect generated when eliminating speed change mechanical due to mobile station 4.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of precise laser welder based on energy density control, including galvanometer, translation stage, laser and workbench
Plate, it is characterised in that: the translation stage is fixed by screws in working plate upper surface rear positions, and the laser is fixed on
Working plate upper surface forward position, the galvanometer right end is fixed on translation stage front end face top by triangle fixed plate, described
Clamping device is set immediately below galvanometer, and the clamping device is mounted on working plate upper surface left part, the working plate lower end
Face fix supporting mechanism, the supporting mechanism include rotor plate, side baffle, sliding slot, fastening bolt, connection stick, dovetail draw runner,
Base plate, fixed column, nut seat, screw rod, triangle stiffening plate, fixes sleeve and dovetail groove, the clamping device include focusing
Mirror, T-type connecting rod, spring, push rod, pressing plate, braced frame two, L-type limit plate, threaded rod, location hole, is determined at braced frame one
Position block and guide plate.
2. a kind of precise laser welder based on energy density control according to claim 1, it is characterised in that:
In the supporting mechanism, the rotor plate lower left is rotatablely connected by hinge with stick left end is connect, and rotor plate setting exists
Stick upper surface is connected, the rotor plate and connection stick are slidably connected on side baffle right part, the side baffle left end
It is inside machined with sliding slot, the fastening bolt right end passes through the sliding slot on side baffle, and is rotatablely connected by screw thread with stick is connect,
Base plate upper surface left part is machined with dovetail groove, and be slidably connected dovetail draw runner on the dovetail groove, on the dovetail draw runner
End face left part is fixedly connected by screw with side baffle, the fixed fixed column in base plate upper surface middle position, the fixation
Sleeve is sleeved in fixed column annular side, and triangle stiffening plate left end is fixedly connected by bolt with fixes sleeve, and three
Angle stiffening plate is arranged in base plate upper surface, and the nut seat, which is inlayed, is fixed on triangle stiffening plate lower end surface, and nut seat passes through
Ball nut pair is rotatably connected in screw rod annular side, and the screw lower end passes through nut seat, and passes through bearing and base plate
Upper end rotation connection, the fixes sleeve are fixed on working plate lower end surface middle position.
3. a kind of precise laser welder based on energy density control according to claim 2, it is characterised in that: institute
It states side baffle right side and is machined with open slot, and placement connection stick and rotor plate, the side baffle left end are set on open slot
Clamping plate is set, the clamping plate is sleeved on fastening bolt annular side by circular hole, and in actual use, user of service holds side baffle
And be moved to the left by dovetail draw runner along dovetail groove, so that rotor plate and connection stick be driven to be moved to the left, then rotate
Plate is moved to the left and is moved on the left of working plate, and user of service moves up fastening bolt along sliding slot at this time, to drive
Connection stick moves up, and then rotor plate is driven to move up, and then rotor plate moves up and is moved to a clamping device left side
Side avoids user of service's hand from protruding into the right, is got to by laser, connecting to realize to protecting on the left of clamping device
Stick is moved upwards up to end face thereon and side baffle upper end surface when same level, and user of service turns fastening bolt
Dynamic, fastening bolt is rotated and is moved right, to be clamped to clamping plate and connection stick, then user of service is around hinge
Central axes rotate down rotor plate, and when rotor plate left side is in contact with side baffle upper surface, side baffle hinders rotation at this time
Plate rotation, then convenient for taking to rotor plate, the workpiece for being also convenient for needing to weld is placed on rotor plate user of service,
To realize the function of taking and hold.
4. a kind of precise laser welder based on energy density control according to claim 2, it is characterised in that: institute
It states screw rod upper end and is fixed with handle one, in actual use, user of service holds handle and rotates together, to drive screw rod
Rotation, then screw rod rotates and rotation operation is become linear running under the action of ball nut pair, and then drives nut seat
It is moved up along screw rod, so that triangle stiffening plate be driven to move up, and then drives fixes sleeve along fixed column to moving up
Dynamic, so that working plate be driven to move up, to realize the function of height-regulating, then user of service is upward again along sliding slot
Mobile fastening bolt, so that connection stick and rotor plate be driven to move up along open slot, then rotor plate is moved up
And be in contact with working plate lower end surface, user of service rotates fastening bolt at this time, thus realize to connection stick into
Row clamps, and then rotor plate is fixed, and realizes the support function to working plate, and improve stability of strutting system, and
The design of triangle stiffening plate then further improves the stability of strutting system to working plate.
5. a kind of precise laser welder based on energy density control according to claim 1, it is characterised in that:
In the clamping device, the focus lamp, which is inlayed, is fixed on one upper surface middle position of braced frame, and the braced frame one is welded
It connects and is fixed on two upper surface of braced frame, T-type connecting rod lower end passes through braced frame two, and passes through screw and braced frame
The pressing plate of lower part is fixedly connected in two, and the spring pocket is in T-type connecting rod, and spring is arranged in pressing plate and braced frame two
Between, the pressing plate lower end is slidably connected push rod, and the push rod extends at left and right sides of braced frame two respectively, the support
Two lower right of frame connects L-type limit plate, and the braced frame two and L-type limit plate are arranged at working plate upper surface,
The threaded rod lower end passes through L-type limit plate, and is rotatablely connected by bearing and working plate upper surface, the braced frame two
Rear end face is machined with location hole, and the location hole is internally provided with locating piece, and the locating piece is fixed on guide plate front end face, institute
It states guide plate slides and is connected to working plate upper surface.
6. a kind of precise laser welder based on energy density control according to claim 5, it is characterised in that: institute
It states two left and right sides of braced frame and is machined with rectangular aperture, the push rod lower end surface and pressing plate lower end surface are in same level
Face, there are two the T-type connecting rod, spring and pressing plate are all provided with, two T-type connecting rods are symmetricly set on braced frame one
The left and right sides, T-type connecting rod cross section are square, and in actual use, unwelded workpiece is put into branch by user of service
Lower end surface in support frame frame two, and two pressing plate lower end surfaces are placed on, then user of service holds the push rod in left side and moves right,
To drive workpiece to move right, and then the push rod on right side is driven to move right, workpiece is aligned to realize, then bullet
The effect of spring compresses workpiece to move down with dynamic pressure plate, and after welding, user of service holds left side
Push rod move right again, so that the push rod on the mobile right side of workpiece be driven to move right, the then push rod and pressing plate phase on right side
Separation then proceedes to push push rod, to drive workpiece to stretch out from the rectangular aperture on two right side of braced frame, consequently facilitating to work
Part is removed.
7. a kind of precise laser welder based on energy density control according to claim 5, it is characterised in that: institute
It states two lower right of braced frame and is machined with card slot, strip is provided in the card slot, the strip is fixed on L-type limit plate left end
Face, the threaded rod annular side are rotatablely connected by screw thread and L-type limit plate, and in actual use, user of service holds branch
Support frame frame two is simultaneously moved backward along working plate upper surface, to realize that card slot is slidably connected with strip, and then realizes strip
It is arranged in the card slot in braced frame two, then user of service rotates threaded rod, and threaded rod rotation is simultaneously made in screw thread
It is moved up with lower drive L-type limit plate, and then drives braced frame two to move up by strip, to realize height-regulating
Function, the design of L-type limit plate are then convenient for being oriented to the movement of braced frame two.
8. a kind of precise laser welder based on energy density control according to claim 5, it is characterised in that: institute
It states working plate upper surface and is machined with guide groove, guide plate is slidably connected on the guide groove, the guide plate front end face is solid
Surely there are at least two locating pieces, the tapered structure of locating piece, in actual use, user of service moves backward braced frame
Two, so that location hole be driven to move backward, and then realize that locating piece enters positioning hole, to realize the progress of braced frame two
Limit and positioning, then braced frame two moves upwardly through locating piece drive guide plate and moves up along guide groove, from
And realize braced frame two is oriented to, and then the stability that braced frame two moves up is improved, and locating piece is set
Meter also avoids guide plate from sliding by guide groove.
9. a kind of precise laser welding procedure according to claim 1 based on energy density control, it is characterised in that: packet
Include following steps: the laser is connected by data line with galvanometer, and laser by conducting wire and external controller and
External power supply is connected, in actual use, first user of service connect external power supply and laser and external controller it
Between circuit, then prestore the different tracks figure for being suitble to various materials, then laser is started to work, while external controller
The power of laser is controlled, laser beam is transferred to galvanometer by data line by laser, while translation stage work drives galvanometer
Mobile, then galvanometer is mobile and vibrates, so that light be projected, and then realizes welding, walks " 8 " " circle " " concentric circles " etc. and do not stop
Duplicate trace graphics increase laser power in starting point, and small step is careful, and terminating point reduces laser power, and big step is hurried up, different
When kind metal splicing weldering, weld seam two sides use different laser powers, vibration frequency and trace graphics, in laser reflectivity
Height, the high-power slow path velocity in the high metal side of fusing point is low in laser reflectivity, the high rail of low-melting metal side low-power
Mark speed, if not when different-metal material welding, then two sides use consistent laser power, vibration frequency and trace graphics, so
Vibration frequency and output power are promoted within initial phase afterwards, then according to predetermined scheme, process for stabilizing welding, at turning
Bonding power and track platform chattering frequency are compensated according to the increase and decrease of translation stage speed, avoids deceleration burning, while according to translation
Platform turn to synchronous adjustment shake graphics track direction, when closing on terminal, in special time period reduce vibration frequency with
And output power, it is then shut off laser and galvanometer, it is real by the accurate control to laser power, welding track and speed
Existing laser weld energy density is precisely controlled, and eliminates the welding defect due to generating when mobile station machinery speed change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384793.6A CN109454332A (en) | 2018-11-20 | 2018-11-20 | A kind of precise laser welding procedure and welder based on energy density control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384793.6A CN109454332A (en) | 2018-11-20 | 2018-11-20 | A kind of precise laser welding procedure and welder based on energy density control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109454332A true CN109454332A (en) | 2019-03-12 |
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ID=65611154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811384793.6A Withdrawn CN109454332A (en) | 2018-11-20 | 2018-11-20 | A kind of precise laser welding procedure and welder based on energy density control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109454332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113792A (en) * | 2019-11-28 | 2020-05-08 | 北京航天控制仪器研究所 | Screw laser cleaning device and method |
| CN113733796A (en) * | 2021-09-22 | 2021-12-03 | 龙港市鑫鑫印刷机械有限公司 | Embossing machine fixed mounting system |
-
2018
- 2018-11-20 CN CN201811384793.6A patent/CN109454332A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113792A (en) * | 2019-11-28 | 2020-05-08 | 北京航天控制仪器研究所 | Screw laser cleaning device and method |
| CN113733796A (en) * | 2021-09-22 | 2021-12-03 | 龙港市鑫鑫印刷机械有限公司 | Embossing machine fixed mounting system |
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Application publication date: 20190312 |