CN108941907B - A kind of fixture and method for laser welding of laser welding - Google Patents
A kind of fixture and method for laser welding of laser welding Download PDFInfo
- Publication number
- CN108941907B CN108941907B CN201810969028.4A CN201810969028A CN108941907B CN 108941907 B CN108941907 B CN 108941907B CN 201810969028 A CN201810969028 A CN 201810969028A CN 108941907 B CN108941907 B CN 108941907B
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- pivoted arm
- fixture
- laser welding
- shaped pivoted
- fixedly connected
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Classifications
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The fixture and method for laser welding of a kind of laser welding of the invention, the fixture of laser welding includes support rod, positioning plate, U-shaped pivoted arm, pressure shield, the setting of support rod vertical direction, the top of support rod is provided with the positioning plate of horizontal direction, the upper surface of positioning plate is provided with placing groove, and the two sides of positioning plate are respectively arranged with U-shaped pivoted arm, are equipped with pressure shield on U-shaped pivoted arm, driving device is installed, driving device is for driving U-shaped pivoted arm to rotate and pump below U-shaped pivoted arm；Method for laser welding is according to the following steps: starting laser welding head, start the U-shaped pivoted arm rotation on fixture simultaneously, so that plumb joint one side rotating welding, the U-shaped pivoted arm of fixture also rotates simultaneously, so that plumb joint once can just complete the welding of annular weld zone, the pressure sensor on fixture is capable of measuring the pressure value being applied in pressure shield.The fixture and method for laser welding for good, high-efficient laser welding that the purpose of the present invention is to provide a kind of welded seals.
Description
Technical field
The invention belongs to welding technology fields, and in particular to a kind of fixture and method for laser welding of laser welding.
Background technique
It is disposable uninterrupted, it is soldered a closed figure (as round, rectangle etc.) with laser in fixture, was being welded
Cheng Zhong will apply certain power always and act on weldment and welded part, the strength energy digital display that is applied and adjustable, strength it is big
Minor adjustment mode includes (adjusting the size of air pressure or oil pressure value, or the displacement etc. mobile by servo adjusting screw) Lai Shixian.
It is existing to use one closed figure of laser welding, be made of welding in two times, because of the blocking of fixture, first welding portion annulus
Domain, then dismantle again, then with clamp, remaining annular region is welded, welding twice is easy to cause weld defect, just has close
The bad hidden danger of envelope property, and low efficiency.
Summary of the invention
Therefore the technical problem to be solved in the present invention is that overcome can not disposably weld in the prior art cause to weld it is close
The defect of envelope property difference.
For this purpose, the technical solution adopted is that, the present invention provides a kind of fixture of laser welding, including support rod, positioning plate,
U-shaped pivoted arm, first rotating shaft, first bearing, pressure shield, the support rod vertical direction setting, the top setting of the support rod
There is the positioning plate of horizontal direction, the upper surface of described positioning plate is provided with placing groove, and the two sides of the positioning plate are respectively set
There is U-shaped pivoted arm, the intermediate bar vertical direction setting of the U-shaped pivoted arm, two side poles of the U-shaped pivoted arm are horizontally arranged, institute
Positioning plate is stated between described two horizon bars of U-shaped pivoted arm, is provided with vertical side below the upper horizon bar of the U-shaped pivoted arm
To the first rotating shaft, the first rotating shaft upper end is fixedly connected with the upper horizon bar of the U-shaped pivoted arm, the first rotating shaft
Lower end the first bearing is installed, the first bearing is mounted on the top of the pressure shield, the lower section of the U-shaped pivoted arm
Driving device is installed, the driving device is for driving U-shaped pivoted arm to rotate and pump.
In order to provide power to the rotation of U-shaped pivoted arm, preferred technical solution is, the driving device include cylinder,
Second bearing, the second shaft, the first belt pulley, first motor, the second belt pulley, synchronous belt, the support rod are mounted on support
The top of plate, the support plate is horizontally arranged, and pedestal, the lower section of the U-shaped pivoted arm are equipped with below the support plate
It is provided with cylinder, the piston rod of the cylinder is fixedly connected with the bar of horizontal direction under the U-shaped pivoted arm, the piston of the cylinder
The setting of bar vertical direction, the support plate is interior to be equipped with second bearing, the second shaft middle peace below the cylinder
In second bearing, the upper end of the second shaft is fixedly connected with the outer wall of the cylinder, is equipped on the lower end of the second shaft
First belt pulley is provided through axis hole, the axis hole and second bearing interval pre-determined distance in the support plate, described
First motor is installed above axis hole, the first motor is fixedly connected with the support plate, the output shaft of the first motor
Across the axis hole, and the second belt pulley is installed, is equipped between first belt pulley and second belt pulley synchronous
Band.
For the ease of controlling the pressure value being pressed on weldment, preferred technical solution is provided in the first rotating shaft
Cavity is equipped with pressure sensor in the cavity, display, the pressure is provided on the upper horizon bar of the U-shaped pivoted arm
Sensor and the display are electrically connected.
In order to the weldment of better pressing surface out-of-flatness, preferred technical solution be further include extension adjustment device,
The extension adjustment device includes mobile disk, guide rod, the first screw rod, pressing plate, flexible pad, cast spring, first connecting rod, tune
Nut is saved, the mobile disk of horizontal direction is provided in the pressure shield, is provided through pilot hole in the mobile disk, institute
The guide rod that vertical direction is provided in pressure shield is stated, the guide rod upper end is fixedly connected with the pressure shield inner wall, described
Guide rod lower end passes through the pilot hole, and the middle of the mobile disk is provided through the first threaded hole, first screw thread
First screw rod of vertical direction is installed, the lower end of first screw rod is provided with the pressing plate of horizontal direction, described in hole
The bottom end of pressing plate is provided with flexible pad, and the cast spring of vertical direction, the cast spring are provided in the pressure shield
One end is fixedly connected with the top of the mobile disk, the cast spring other end and the fixed company of the pressure shield inner wall top end
It connects, is provided through on the outer wall of the pressure shield and extends opening along the vertical direction, be provided with horizontal direction in the opening
The first connecting rod, described first connecting rod one end are fixedly connected with the mobile disk, and the first connecting rod other end is worn
It crosses the opening to extend to except the outer wall of the pressure shield, is provided with external screw thread on the outer wall of the pressure shield, described first
Adjusting nut is provided with above connecting rod, the adjusting nut is connect with the outer wall thread of the pressure shield.
Movable plate goes beyond the limit of displacement in order to prevent, and preferred technical solution is that the bottom end setting of the guide rod is limited
Position block, the size of the limited block are greater than the size of the pilot hole.
In order to be adjustable the position of positioning plate, preferred technical solution is that the upper end of the support rod is provided with level side
To guide beam, horizontally extending guide groove, setting in the guide groove are provided in the upper surface of the guide beam
There is sliding block, the upper end of the sliding block is fixedly connected with the positioning plate, and the sliding block is installed in the guide groove.
In order to which the sliding block regulated to be more fixed firmly in guide groove, preferred technical solution is the guide beam
Outer wall be provided through several second threaded holes, uniform intervals are arranged each second threaded hole in the horizontal direction, and with institute
It states guide groove to connect, screw is installed in second threaded hole.
In order to enable the mobile more precise control of the adjusting of sliding block, and anti-limited slip block is detached from guide groove by external force, preferably
Technical solution is that card slot is provided with below the gear, and the card slot runs through along the guide beam length direction, the card slot
Pass through open communication with the guide groove, slide plate, second connecting rod one end and the sliding block bottom are provided in the card slot
End is fixedly connected, and the second connecting rod other end passes through the opening and is fixedly connected with the slide plate, the side of the guide beam
It is arranged fluted on wall, the second motor is set in the groove, and second motor is fixedly connected with the groove inner wall, described
The output shaft of second motor extends straight down, and is equipped with gear, and rack gear is fixedly connected on the side wall of the gear, described
Rack gear extends along the length direction of the guide groove, and the gear is meshed with the rack gear, the side end of the positioning plate
It is provided with switch on face, the switch and second electrical connection of motor are provided with the of horizontal direction in the positioning plate
Three threaded holes, the third threaded hole are connected with the placing groove, are provided with the second screw rod in the placing groove, and described second
Screw rod one end extends in the placing groove, and is fixedly connected with the inner ring of 3rd bearing, and the outer ring of the 3rd bearing is fixed
It is mounted on briquetting, the second screw rod other end extends except the positioning plate, and is fixedly connected with swing handle.
In order to improve the efficiency of welding, preferred technical solution is a kind of novel method for laser welding, according to following
Step is welded:
Step 1, the positioning plate that welded part and weldment are mounted on to fixture placing groove in so that welded part is placed on weldment
At welding region；
Step 2, the pressure shield for starting fixture, so that welded part is pressed on weldment；
Step 3, starting laser welding head, while starting the rotation of the U-shaped pivoted arm on fixture, so that plumb joint one side Spin welding
It connects, the U-shaped pivoted arm of fixture also rotates simultaneously, so that plumb joint once can just complete the welding of annular weld zone.
In order to control the pressure of application, welding quality is improved, preferred technical solution is to pass through the pressure sensing on fixture
Device is capable of measuring the pressure value being applied in pressure shield, and display can show the pressure value of measurement, by the air pressure tune for adjusting cylinder
Save pressure value.
The present invention has the advantages that a kind of fixture of laser welding of the invention, including support rod, positioning plate, U-shaped turn
Arm, first rotating shaft, first bearing, pressure shield, the setting of support rod vertical direction, the top of support rod is provided with determining for horizontal direction
Position plate, the upper surface of positioning plate are provided with placing groove, and the two sides of positioning plate are respectively arranged with U-shaped pivoted arm, and the intermediate bar of U-shaped pivoted arm is perpendicular
For histogram to setting, two side poles of U-shaped pivoted arm are horizontally arranged, and positioning plate is between two horizon bars of U-shaped pivoted arm, and U-shaped turn
The first rotating shaft of vertical direction is provided with below the upper horizon bar of arm, first rotating shaft upper end and the upper horizon bar of U-shaped pivoted arm are solid
Fixed connection, the lower end of first rotating shaft are equipped with first bearing, and first bearing is mounted on the top of pressure shield, the lower section of U-shaped pivoted arm
Driving device is installed, driving device is for driving U-shaped pivoted arm to rotate and pump.When operation, first by battery cover
Plate and pole are put into the placing groove of fixture positioning plate, and support rod starts driving device, so that U for fixing support positioning plates
Type pivoted arm moves downward, and U-shaped pivoted arm drives first rotating shaft, first bearing and pressure shield to move downward, and pressure shield presses to pole
Pole is pressed on battery cover board by pressure, then starts laser welding head rotation, to the annular solder on pole and battery cover board
Region is welded, meanwhile, driving device drives U-shaped pivoted arm rotation, while compressing pole due to pressure shield, U-shaped pivoted arm energy
It being rotated with the welding of laser welding head, U-shaped pivoted arm will not stop the rotating welding process of laser welding head, therefore, energy one
The secondary welding for just completing entire annular weld zone, due to completing the welding of annular weld zone for the first time by laser welding,
Improve the efficiency of welding；Again during entire annular region welding, it is applied with pressure always on weldment, ensure that weldment
Mutually it is close to the face of welded part, there is no gaps, reduce weld defect, improve the leakproofness of welding, improve welding
Quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is enlarged drawing at A of the invention.
Fig. 3 is working state figure of the invention.
Fig. 4 is the structure chart of extension adjustment device in the present invention.
Fig. 5 is the schematic diagram of guide beam and slide block structure in the present invention.
Fig. 6 is the side view of guide beam and slide block structure in the present invention.
Fig. 7 is the schematic diagram that sliding block adjusts drive mechanism in the present invention
Wherein, 1- support rod, 2- positioning plate, 3-U type pivoted arm, 4- placing groove, 5- first rotating shaft, 6- first bearing, 7- pressure
Power cover, 8- support plate, 9- pedestal, 10- cylinder, 11- second bearing, the second shaft of 12-, the first belt pulley of 13-, 14- axis hole,
15- first motor, the second belt pulley of 16-, 17- synchronous belt, 18- pressure sensor, 19- display, 20- mobile disk, 21- guiding
Hole, 22- guide rod, the first threaded hole of 23-, the first screw rod of 24-, 25- pressing plate, 26- flexible pad, 27- cast spring, 28- opening,
29- first connecting rod, 30- adjusting nut, 31- limited block, 32- guide beam, 33- guide groove, 34- sliding block, the second screw thread of 35-
Hole, 36- screw, 37- battery cover board, 38- pole, 39- slide plate, the second connecting rod of 40-, 41- groove, the second motor of 42-, 43-
Gear, 44- rack gear, 45- switch, 46- third threaded hole, the second screw rod of 47-, 48- 3rd bearing, 49- briquetting, 50- turning handle
Hand.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1-3, a kind of fixture of laser welding of the invention, including support rod 1, positioning plate 2, U-shaped pivoted arm 3,
First rotating shaft 5, first bearing 6, pressure shield 7,1 vertical direction of the support rod setting, the top of the support rod 1 is provided with water
Square to the positioning plate 2, the upper surface of described positioning plate 2 is provided with placing groove 4, and the two sides of the positioning plate 2 are respectively set
There is U-shaped pivoted arm 3, the intermediate bar vertical direction setting of the U-shaped pivoted arm 3, two side poles of the U-shaped pivoted arm 3 are horizontally arranged,
The positioning plate 2 is provided with below the upper horizon bar of the U-shaped pivoted arm 3 between described 3 two horizon bars of U-shaped pivoted arm
The first rotating shaft 5 of vertical direction, 5 upper end of first rotating shaft are fixedly connected with the upper horizon bar of the U-shaped pivoted arm 3, institute
The lower end for stating first rotating shaft 5 is equipped with the first bearing 6, and the first bearing 6 is mounted on the top of the pressure shield 7, institute
The lower section for stating U-shaped pivoted arm 3 is equipped with driving device, and the driving device is for driving U-shaped pivoted arm 3 to rotate and up and down reciprocatingly transport
It is dynamic.
Battery cover board 37 and pole 38: when operation, being first put into the placing groove 4 of fixture positioning plate 2 by working principle, support
Bar 1 starts driving device, so that U-shaped pivoted arm 3 moves downward, U-shaped pivoted arm 3 drives first rotating shaft for fixing support positioning plates 2
5, first bearing 6 and pressure shield 7 move downward, and pole 38 is pressed on battery cover board to the pressure pressure of pole 38 by pressure shield 7
37, then start laser welding head rotation, pole 38 and the annular weld zone on battery cover board 37 are welded, meanwhile,
Driving device drives U-shaped pivoted arm 3 to rotate, and while compressing pole due to pressure shield 7, U-shaped pivoted arm 3 can be with laser welding head
It welds and rotates, U-shaped pivoted arm 3 will not stop the rotating welding process of laser welding head, therefore, once can just complete entire annular
The welding of welding region improves the efficiency of welding due to completing the welding of annular weld zone for the first time by laser welding；
Again during entire annular region welding, it is applied with pressure always on weldment, ensure that the face of weldment and welded part is mutually tight
Patch, there is no gaps, reduce weld defect, improve the leakproofness of welding, improve welding quality.
In order to provide power to the rotation of U-shaped pivoted arm, preferred technical solution is that the driving device includes cylinder
10, second bearing 11, the second shaft 12, the first belt pulley 13, first motor 15, the second belt pulley 16, synchronous belt 17, the branch
Strut 1 is mounted on the top of support plate 8, and the support plate 8 is horizontally arranged, and the lower section of the support plate 8 is equipped with pedestal
9, the lower section of the U-shaped pivoted arm 3 is provided with cylinder 10, horizontal direction under the piston rod of the cylinder 10 and the U-shaped pivoted arm 3
Bar is fixedly connected, the piston rod vertical direction setting of the cylinder 10, is pacified in the support plate 8 positioned at the lower section of the cylinder 10
Equipped with second bearing 11,12 middle of the second shaft is mounted in second bearing 11, the upper end of the second shaft 12 and the cylinder
10 outer wall is fixedly connected, and the first belt pulley 13 is equipped on the lower end of the second shaft 12, is provided through in the support plate 8
Axis hole 14, the axis hole 14 are spaced pre-determined distance with the second bearing 11, are equipped with first motor 15 above the axis hole 14,
The first motor 15 is fixedly connected with the support plate 8, and the output shaft of the first motor 15 passes through the axis hole 14, and pacifies
Equipped with the second belt pulley 16, synchronous belt 17 is installed between first belt pulley 13 and second belt pulley 16.It first will be electric
Pond cover board 37 and pole 38 are put into the placing groove 4 of fixture positioning plate 2, start cylinder 10, and air cylinder driven piston rod drives U-shaped turn
Arm 3 moves downward, and pressure shield 7, which is also followed by move downward, compresses pole 38, at this point, laser welding head is along battery cover board and pole
The annular weld zone of column is welded, and in order to disposably complete the welding of annular region, U-shaped pivoted arm is avoided to stop laser welding
Head, meanwhile, first motor 15 is also started up, and drives the rotation of the first belt pulley 13, drives the first belt pulley 13 by synchronous belt 17
Rotation, the first belt pulley 13 drive the second shaft 12 to rotate again, and the second shaft 12 drives cylinder 10 to rotate, and cylinder 10 drives U-shaped
Pivoted arm 3 rotates, and U-shaped pivoted arm 3 drives first rotating shaft 5 to rotate in first bearing 6, thus it is guaranteed that compressing pole in pressure shield 7
While, U-shaped pivoted arm 3 can also be rotated with the welding of laser welding head.Rotation by controlling motor can be achieved with to U-shaped
The accurate control of pivoted arm 3, cylinder are used to accurately control the reciprocating motion of U-shaped 3 vertical direction of pivoted arm.
For the ease of controlling the pressure value being pressed on weldment, preferred technical solution is provided in the first rotating shaft 5
Cavity is equipped with pressure sensor 18 in the cavity, is provided with display 19 on the upper horizon bar of the U-shaped pivoted arm 3, described
Pressure sensor 18 and the display 19 are electrically connected.Pressure sensor 18 can detect the pressure being applied in shaft 5, lead to
It crosses display 19 and shows that pressure value avoids pressure excessive, weldment is damaged by pressure to be monitored to pressure value.
In order to the weldment of better pressing surface out-of-flatness, preferred technical solution is, as shown in figure 4, further including stretching
Contracting regulating device, the extension adjustment device include mobile disk 20, guide rod 22, the first screw rod 24, pressing plate 25, flexible pad 26,
Cast spring 27, first connecting rod 29, adjusting nut 30 are provided with the mobile disk 20 of horizontal direction in the pressure shield 7,
It is provided through pilot hole 21 in the mobile disk 20, the guide rod 22 of vertical direction is provided in the pressure shield 7, it is described to lead
It is fixedly connected to 22 upper end of bar with 7 inner wall of pressure shield, 22 lower end of guide rod passes through the pilot hole 21, the movement
The middle of disk 20 is provided through the first threaded hole 23, and the first screw rod of vertical direction is equipped in first threaded hole 23
24, the lower end of first screw rod 24 is provided with the pressing plate 25 of horizontal direction, and the bottom end setting of the pressing plate 25 is flexible
Pad 26 is provided with the cast spring 27 of vertical direction, described 27 one end of cast spring and the movement in the pressure shield 7
The top of disk 20 is fixedly connected, and 27 other end of cast spring is fixedly connected with the 7 inner wall top end of pressure shield, the pressure
It is provided through on the outer wall of power cover 7 and extends opening 28 along the vertical direction, be provided with the described of horizontal direction in the opening 28
First connecting rod 29, described 29 one end of first connecting rod are fixedly connected with the mobile disk 20, and the first connecting rod 29 is another
End extends to except the outer wall of the pressure shield 7 across the opening 28, is provided with external screw thread on the outer wall of the pressure shield 7,
The top of the first connecting rod 29 is provided with adjusting nut 30, the outer wall thread of the adjusting nut 30 and the pressure shield 7
Connection.When the surface irregularity of welded part is, pressure shield, which is pressed in weldment surface just and will appear contact surface, to become smaller, and weldment is not easy to press
Tightly, at this point, by can be manually rotated section nut 30, by nut 30 with state pressure shield 7 outer wall thread cooperate so that nut 30 to
Lower movement pushes first connecting rod 29 to move downward, and first connecting rod 29 drives mobile disk 20 to move downward, until prolonging to pressing plate 25
It stretches out except pressure shield 7, flexible pad 26 is made of rubber on pressing plate 25, has good flexibility, even if weldment surface exists
The place of out-of-flatness, it is small in the effect of pressure, flexible deformation occurs, and flexible pad 26 is enabled to be fitted in the table of weldment well
Face compresses weldment, by rotary pressure plate 25, passes through being threadedly engaged for the first screw rod 24 and the first threaded hole 23, moreover it is possible to adjust
Height of the pressing plate apart from weldment surface, to adapt to the compression of the weldment of different-thickness.When not needing to use pressing plate 25, then rotate
Nut 30 moves upwards, and under the action of cast 27 elastic force of spring, mobile disk 20 is pulled to move upwards along guide rod 22, so that
Pressing plate 25 is retracted into spare in pressure shield 7.The bottom end of the guide rod 22 is provided with limited block 31, the size of the limited block 31
Greater than the size of the pilot hole 21, the 31 anti-stop mobile disk 20 of energy of limited block is moved out to except guide rod 22.
In order to be adjustable the position of positioning plate, preferred technical solution is, as seen in figs. 5-6, the upper end of the support rod 1
It is provided with the guide beam 32 of horizontal direction, is provided with horizontally extending guide groove in the upper surface of the guide beam 32
33, sliding block 34 is provided in the guide groove 33, and the upper end of the sliding block 34 is fixedly connected with the positioning plate 2, the sliding block
34 are installed in the guide groove 33.Sometimes weldment is not in the underface of pressure shield, at this time, it is necessary to the position of weldment is adjusted,
Sliding block 34 is made to be moved to required position along guide groove 33 by enforcing positioning plate 2.In order to what will be regulated
Sliding block is more fixed firmly in guide groove, and the outer wall of the guide beam 32 is provided through several second threaded holes 35, each described
Uniform intervals are arranged second threaded hole 35 in the horizontal direction, and connect with the guide groove 33, in second threaded hole 35
Screw 36 is installed, by pushing positioning plate 2 that sliding block 34 is made to be moved to required position along guide groove 33, then tightens screw
36, sliding block 34 is fixed in guide groove 33, it is easy to adjust, it is able to satisfy the welding processing of various sizes of weldment.
In order to enable the mobile more precise control of the adjusting of sliding block, and anti-limited slip block is detached from guide groove by external force, preferably
Technical solution is, as shown in fig. 7, the lower section of the gear 43 is provided with card slot 37, the card slot 37 is long along the guide beam 32
Degree direction is run through, and the card slot 37 is connected to the guide groove 33 by opening 38, and slide plate 39, institute are provided in the card slot 37
It states 40 one end of the second connecting rod to be fixedly connected with 34 bottom end of sliding block, 40 other end of the second connecting rod passes through the opening
38 are fixedly connected with the slide plate 39, fluted 41 are arranged on the side wall of the guide beam 32, setting second in the groove 41
Motor 42, second motor 42 are fixedly connected with 41 inner wall of groove, and the output shaft of second motor 42 is straight down
Extend, and gear 43 is installed, rack gear 44 is fixedly connected on the side wall of the gear 43, the rack gear 44 is along the guide groove
Extend on 33 length direction, the gear 43 is meshed with the rack gear 44, is provided on the side end face of the positioning plate 2
Switch 45, the switch 45 are electrically connected with second motor 42, and the third spiral shell of horizontal direction is provided in the positioning plate 2
Pit 46, the third threaded hole 46 are connected with the placing groove 4, and the second screw rod 47 is provided in the placing groove 4, described
Second screw rod, 47 one end extends in the placing groove 4, and is fixedly connected with the inner ring of 3rd bearing 48, the 3rd bearing 48
Outer ring be fixedly mounted on briquetting 49,47 other end of the second screw rod extends except the positioning plate 2, and and turning handle
Hand 50 is fixedly connected.When needing to adjust positioning Board position, 45 are started switch, the second motor 42 is rotated with moving gear 43, is passed through
The engaged transmission band movable slider 34 of gear 43 and rack gear 44 is moved to required position in guide groove 33, passes through gear 43 and rack gear
44 transmission is more stable, also more accurate for the control of moving displacement；Slide plate 39 moves in card slot 37, plays restriction and slides
The effect that block 34 is displaced, sliding block 34 can only move reciprocatingly in guide groove 33, will not fly out upwards by external force；Have due to
The weldment being put into placing groove 4 is in different size, in order to be capable of fixing different weldments, by rotary motion handle 50, and used
The screw-driven of two screw rods 47 and third threaded hole 46 rotates the second screw rod 47 and moves into placing groove 4,3rd bearing
48 rotations, and briquetting 49 is pushed to compress the weldment in placing groove 4, it is welded with adapting to various sizes of weldment.
In order to improve the efficiency of welding, preferred technical solution is a kind of novel method for laser welding, according to following
Step is welded: it follows the steps below welding:
Step 1, the positioning plate 2 that welded part and weldment are mounted on to fixture the placing groove 4 in so that welded part
It is placed at the welding region of weldment；
Step 2, the pressure shield 7 for starting fixture pass through the pressure on fixture so that welded part is pressed on weldment
Sensor 19 is capable of measuring the pressure value being applied in the pressure shield 7, and the display 19 can show the pressure value of measurement, pass through
The air pressure adjustment pressure value of the cylinder 10 is adjusted, to prevent the impact force in mechanical disorder or the external world from causing beyond normal model
It encloses, influences welding quality.
Step 3, starting laser welding head, while starting the U-shaped pivoted arm 3 on fixture and rotating, so that plumb joint is on one side
The U-shaped pivoted arm 3 of rotating welding, fixture also rotates simultaneously, so that plumb joint once can just complete the weldering of annular weld zone
It connects, needs to disassemble weldment compared to conventional method, then install, multiple welding substantially increases welding efficiency.
Claims (10)
1. a kind of fixture of laser welding, which is characterized in that including support rod (1), positioning plate (2), U-shaped pivoted arm (3), first turn
Axis (5), first bearing (6), pressure shield (7), support rod (1) the vertical direction setting, the top setting of the support rod (1)
There is the positioning plate (2) of horizontal direction, the upper surface of described positioning plate (2) is provided with placing groove (4), the positioning plate (2)
Two sides are respectively arranged with U-shaped pivoted arm (3), the intermediate bar vertical direction setting of the U-shaped pivoted arm (3), the U-shaped pivoted arm (3)
Two side poles are horizontally arranged, and the positioning plate (2) is between described (3) two horizon bars of U-shaped pivoted arm, the U-shaped pivoted arm
(3) first rotating shaft (5) of vertical direction, first rotating shaft (5) upper end and the U are provided with below upper horizon bar
The upper horizon bar of type pivoted arm (3) is fixedly connected, and the lower end of the first rotating shaft (5) is equipped with the first bearing (6), and described
One bearing (6) is mounted on the top of the pressure shield (7), is equipped with driving device, the drive below the U-shaped pivoted arm (3)
Dynamic device is for driving U-shaped pivoted arm (3) to rotate and pump.
2. a kind of fixture of laser welding according to claim 1, which is characterized in that the driving device includes cylinder
(10), second bearing (11), the second shaft (12), the first belt pulley (13), first motor (15), the second belt pulley (16), same
Step band (17), the support rod (1) are mounted on the top of support plate (8), and the support plate (8) is horizontally arranged, the branch
It is equipped with below fagging (8) pedestal (9), is provided with cylinder (10) below the U-shaped pivoted arm (3), the cylinder (10)
Piston rod is fixedly connected with the bar of horizontal direction under the U-shaped pivoted arm (3), and the piston rod vertical direction of the cylinder (10) is set
It sets, is located at below the cylinder (10) in the support plate (8) and is equipped with second bearing (11), the second shaft (12) middle
It is mounted on second bearing (11), the upper end of the second shaft (12) is fixedly connected with the outer wall of the cylinder (10), the second shaft
(12) it is equipped on lower end the first belt pulley (13), is provided through axis hole (14), the axis hole on the support plate (8)
(14) it is spaced pre-determined distance with the second bearing (11), is equipped with first motor (15) above the axis hole (14), described the
One motor (15) is fixedly connected with the support plate (8), and the output shaft of the first motor (15) passes through the axis hole (14), and
It is equipped with the second belt pulley (16), synchronous belt is installed between first belt pulley (13) and second belt pulley (16)
(17)。
3. a kind of fixture of laser welding according to claim 2, which is characterized in that setting in the first rotating shaft (5)
There is cavity, be equipped in the cavity pressure sensor (18), is provided with display on the upper horizon bar of the U-shaped pivoted arm (3)
(19), the pressure sensor (18) and the display (19) are electrically connected.
4. a kind of fixture of laser welding according to claim 1, which is characterized in that it further include extension adjustment device, institute
Stating extension adjustment device includes mobile disk (20), guide rod (22), the first screw rod (24), pressing plate (25), flexible pad (26), cast
Spring (27), first connecting rod (29), adjusting nut (30), the interior movement for being provided with horizontal direction of the pressure shield (7)
Disk (20) is provided through pilot hole (21) on the mobile disk (20), is provided with leading for vertical direction in the pressure shield (7)
To bar (22), guide rod (22) upper end is fixedly connected with the pressure shield (7) inner wall, and guide rod (22) lower end passes through
The middle of the pilot hole (21), the mobile disk (20) is provided through the first threaded hole (23), first threaded hole
(23) the first screw rod (24) of vertical direction is installed, the lower end of first screw rod (24) is provided with the described of horizontal direction in
The bottom end of pressing plate (25), the pressing plate (25) is provided with flexible pad (26), and the institute of vertical direction is provided in the pressure shield (7)
It states cast spring (27), described cast spring (27) one end is fixedly connected with the top of the mobile disk (20), the cast bullet
Spring (27) other end is fixedly connected with the pressure shield (7) inner wall top end, is provided through on the outer wall of the pressure shield (7)
Extend opening (28) along the vertical direction, the first connecting rod (29) of horizontal direction is provided in the opening (28), it is described
First connecting rod (29) one end is fixedly connected with the mobile disk (20), and first connecting rod (29) other end passes through described open
Mouthful (28) extend to except the outer wall of the pressure shield (7), are provided with external screw thread on the outer wall of the pressure shield (7), and described the
It is provided with above one connecting rod (29) adjusting nut (30), the outer wall spiral shell of the adjusting nut (30) and the pressure shield (7)
Line connection.
5. a kind of fixture of laser welding according to claim 4, which is characterized in that the bottom end of the guide rod (22) is set
It is equipped with limited block (31), the size of the limited block (31) is greater than the size of the pilot hole (21).
6. a kind of fixture of laser welding according to claim 1, which is characterized in that the upper end of the support rod (1) is set
It is equipped with the guide beam (32) of horizontal direction, is provided with horizontally extending guide groove in the upper surface of the guide beam (32)
(33), it is provided with sliding block (34) in the guide groove (33), the upper end and the positioning plate (2) of the sliding block (34) are fixed to be connected
It connects, the sliding block (34) is installed in the guide groove (33).
7. a kind of fixture of laser welding according to claim 6, which is characterized in that the outer wall of the guide beam (32) passes through
Wear and be equipped with several second threaded holes (35), each second threaded hole (35) in the horizontal direction uniform intervals be arranged, and with institute
It states guide groove (33) to connect, screw (36) is installed in second threaded hole (35).
8. a kind of fixture of laser welding according to claim 6, which is characterized in that on the side wall of the guide beam (32)
It is arranged fluted (41), the second motor (42) is set in the groove (41), second motor (42) and the groove (41)
Inner wall is fixedly connected, and the output shaft of second motor (42) extends straight down, and is equipped with gear (43), the gear
(43) it is provided with below card slot (37), the card slot (37) is run through along the guide beam (32) length direction, the card slot
(37) it is connected to the guide groove (33) by opening (38), is provided with slide plate (39), the sliding block in the card slot (37)
(34) it is connect with the slide plate (39) by the second connecting rod (40), described second connecting rod (40) one end and the sliding block (34)
Bottom end is fixedly connected, and the second connecting rod (40) other end passes through the opening (38) and is fixedly connected with the slide plate (39),
It is fixedly connected with rack gear (44) on the side wall of the gear (43), length direction of the rack gear (44) along the guide groove (33)
Upper extension, the gear (43) are meshed with the rack gear (44), are provided with switch on the side end face of the positioning plate (2)
(45), the switch (45) and second motor (42) are electrically connected, and the of horizontal direction is provided in the positioning plate (2)
Three threaded holes (46), the third threaded hole (46) are connected with the placing groove (4), and the is provided in the placing groove (4)
Two screw rods (47), described second screw rod (47) one end extend in the placing groove (4), and solid with the inner ring of 3rd bearing (48)
Fixed connection, the outer ring of the 3rd bearing (48) are fixedly mounted on briquetting (49), and the second screw rod (47) other end extends
Out except the positioning plate (2), and it is fixedly connected with swing handle (50).
9. a kind of novel method for laser welding, is welded using a kind of fixture of laser welding as claimed in claim 3,
It is characterized in that, it follows the steps below welding:
Step 1, the placing groove (4) for the positioning plate (2) that welded part and weldment are mounted on to fixture are interior, so that welded part is placed on weldment
Welding region at；
Step 2, the pressure shield (7) for starting fixture, so that welded part is pressed on weldment；
Step 3, starting laser welding head, while starting the rotation of the U-shaped pivoted arm (3) on fixture, so that plumb joint one side Spin welding
It connects, the U-shaped pivoted arm (3) of fixture also rotates simultaneously, so that plumb joint once can just complete the welding of annular weld zone.
10. the novel method for laser welding of one kind according to claim 9, which is characterized in that in step 2, pass through folder
Pressure sensor (18) on tool is capable of measuring the pressure value being applied on pressure shield (7), and display (19) can show the pressure of measurement
Force value, by the air pressure adjustment pressure value for adjusting cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969028.4A CN108941907B (en) | 2018-08-23 | 2018-08-23 | A kind of fixture and method for laser welding of laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969028.4A CN108941907B (en) | 2018-08-23 | 2018-08-23 | A kind of fixture and method for laser welding of laser welding |
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| Publication Number | Publication Date |
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| CN108941907A CN108941907A (en) | 2018-12-07 |
| CN108941907B true CN108941907B (en) | 2019-06-07 |
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| CN109848556A (en) * | 2019-03-25 | 2019-06-07 | 深圳力星激光智能装备有限公司 | A kind of laser welding apparatus and method of the circumferential primary completion welding of double-station |
| CN110534764A (en) * | 2019-08-07 | 2019-12-03 | 浙江锋源氢能科技有限公司 | Fuel battery metal double polar plate welding fixture |
| CN110434532A (en) * | 2019-08-20 | 2019-11-12 | 天津市航亚科技有限公司 | A kind of welding tooling clamp device |
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| CN111318845B (en) * | 2020-02-12 | 2021-10-12 | 武汉华滋东江汽车零部件有限公司 | Auxiliary welding device for automobile parts |
| CN111634059A (en) * | 2020-06-11 | 2020-09-08 | 刘保江 | Composite board hot press |
| CN112872586B (en) * | 2020-12-24 | 2021-08-31 | 深圳市大德激光技术有限公司 | Laser welding positioning and pressing device for positive electrode and negative electrode of power battery |
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| CN114799699B (en) * | 2022-05-26 | 2024-06-18 | 宜宾长盈精密技术有限公司 | Battery cover plate pole welding tool |
| CN115138971A (en) * | 2022-09-06 | 2022-10-04 | 江苏昊锐电气科技有限公司 | Laser welding equipment for bridge support parts |
| CN117260160B (en) * | 2023-11-20 | 2024-01-23 | 河北华特汽车部件有限公司 | Exhaust system welding device for automobile exhaust treatment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5212830B2 (en) * | 2009-05-28 | 2013-06-19 | Ｓｍｃ株式会社 | Clamping device |
| CN203751540U (en) * | 2014-03-12 | 2014-08-06 | 合肥国轩高科动力能源股份公司 | Double-station square lithium battery case laser welding jig |
| CN104551331B (en) * | 2014-12-11 | 2017-01-25 | 马爱芬 | Lead acid battery polar group welding machine |
| CN205414721U (en) * | 2015-12-10 | 2016-08-03 | 武汉楚天工业激光设备有限公司 | Pressure sensor laser welding anchor clamps |
| CN105458542A (en) * | 2015-12-25 | 2016-04-06 | 苏州达力客自动化科技有限公司 | Pole lug vibrating mirror welding and pressing device |
| CN105499799B (en) * | 2016-01-12 | 2018-03-13 | 深圳市海目星激光科技有限公司 | A kind of battery laser welds equipment |
| KR101631699B1 (en) * | 2016-05-03 | 2016-06-21 | 성백남 | Overlay welding equipment for wear parts of crusher |
| CN207344030U (en) * | 2017-09-14 | 2018-05-11 | 安徽环鑫电子有限公司 | Full-automatic battery lug orifice plate bonding machine |
| CN207668740U (en) * | 2017-11-13 | 2018-07-31 | 天津广合动力科技有限公司 | A kind of battery core fixture of lithium ion battery |
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