CN107116301A - A kind of laser welding system - Google Patents
A kind of laser welding system Download PDFInfo
- Publication number
- CN107116301A CN107116301A CN201710452253.6A CN201710452253A CN107116301A CN 107116301 A CN107116301 A CN 107116301A CN 201710452253 A CN201710452253 A CN 201710452253A CN 107116301 A CN107116301 A CN 107116301A
- Authority
- CN
- China
- Prior art keywords
- air blowing
- welding
- laser welding
- welding system
- part flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention discloses a kind of laser welding system, including for providing the supply air line of protection gas；Supply air line is provided with several supply part flow arrangements, one supply part flow arrangement is connected with least two air blowing pipelines, air blowing pipeline is used to blow to welding position in advance and welding process is blown, and each air blowing pipeline is connected with supply part flow arrangement by corresponding choke valve.Several air blowing pipelines are connected with supply part flow arrangement by choke valve respectively in the laser welding system that the present invention is provided; different air blowing pipelines can be controlled to be blowed respectively; blown with some air blowing pipelines, so that the motion instead of protecting tracheae in the prior art, convenient to install.In laser beam welding, allow and protect gas whole process protection welding pool, complete the protection to weld seam, reduce the motion of protection gas system, prevent welding position from aoxidizing, so as to improve the welding quality of welding operation.
Description
Technical field
The present invention relates to laser welding technology field, more specifically to a kind of laser welding system.
Background technology
Laser welding be by the use of high-energy-density laser beam as thermal source a kind of high-efficiency and precision welding method.
Existing galvanometer laser welding system, in welding process, galvanometer system runs at high speed, and welding pool is with laser
Spot motion, welding protection gas is difficult with welding pool high-speed mobile, causes in welding process, and solder joint is easily aoxidized, and makes
Into the reduction and the reduction of workpiece quality of welding effect.
In summary, how to provide a kind of welding quality high laser welding system, be current those skilled in the art urgently
To be solved the problem of.
The content of the invention
In view of this, it is an object of the invention to provide a kind of laser welding system, the welding quality of the system is high.
To achieve these goals, the present invention provides following technical scheme：
A kind of laser welding system, including for providing the supply air line of protection gas；The supply air line is provided with several
Part flow arrangement is supplied, a supply part flow arrangement is connected with least two air blowing pipelines, and the air blowing pipeline is used for butt welding
Connect position to blow in advance and welding process air blowing, each described air blowing pipeline passes through corresponding section with the supply part flow arrangement
Flow valve connection.
It is preferred that, the air blowing pipeline include the snorkel that is connected with the choke valve and with going out that the snorkel is connected
Tracheae, the snorkel is telescopic snorkel or bent flexible pipe of supplying gas.
It is preferred that, the escape pipe is provided with the air outlet for being easy to flat that is forming protection air curtain.
It is preferred that, the air blowing pipeline of the same supply part flow arrangement connection is arranged side by side, and blows described in several
The protection air curtain that air pipe is formed when working is connected.
It is preferred that, the air blowing pipeline of the same supply part flow arrangement connection is connected with kinematic driving unit.
It is preferred that, the number of the supply part flow arrangement is at least 3, and is respectively arranged at the side of laser beam welding workstation
Edge, blowing direction is towards the laser beam welding workstation.
It is preferred that, in addition to the compression tooling box for battery bag and corresponding connection sheet to be compressed, the compression tooling
Box is provided with the welding preformed hole for being convenient for galvanometer welding or welding preset clearance.
It is preferred that, the compression tooling box includes battery case and for compressing battery bag, connection sheet in the battery case
Friction top, the battery case is used to set the battery cases of battery, the friction top correspondence connection sheet provided with least two
Place is provided with welding preformed hole or welding preset clearance.
It is preferred that, the friction top is provided with the connection sheet holding tank for being used for limiting the connection sheet transverse shifting, the appearance
Receive and block piece for blocking the connection sheet movement is provided with groove.
It is preferred that, in addition to for transmitting the carrier chain of the compression tooling box；
The side of the carrier chain is provided with galvanometer welder and the turn-over rig for overturning the compression tooling box, or
The both sides of the carrier chain are equipped with galvanometer welder.
Several air blowing pipelines pass through choke valve with supply part flow arrangement respectively in the laser welding system that the present invention is provided
Connection, can control different air blowing pipelines to be blowed respectively, be blown with some air blowing pipelines, so that instead of existing skill
The motion of tracheae is protected in art, convenient to install, choke valve is used for adjusting the protection air-flow amount and switch of each tracheae, supply shunting
Device is realized to each point of bronchial supply.In laser beam welding, allow and protect gas whole process protection welding pool, complete to weld seam
Protection, reduce protection gas system motion, prevent welding position from aoxidizing, so as to improve the welding quality of welding operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of laser welding system provided by the present invention；
Fig. 2 is the schematic diagram of air blowing pipeline provided by the present invention；
Fig. 3 is the schematic diagram of row's air blowing pipeline provided by the present invention；
Fig. 4 is the schematic diagram of specific embodiment one provided by the present invention；
Fig. 5 is the schematic diagram of specific embodiment two provided by the present invention；
Fig. 6 is the schematic diagram of specific embodiment three provided by the present invention；
Fig. 7 is the schematic diagram of specific embodiment four provided by the present invention；
Fig. 8 is the schematic diagram of specific embodiment five provided by the present invention；
Fig. 9 is the end front elevational view of air blowing pipeline provided by the present invention；
Figure 10 is the end sectional side view of air blowing pipeline provided by the present invention；
Figure 11 is the sectional view after pressing device provided by the present invention is compressed；
Figure 12 is Figure 11 partial schematic diagram；
Figure 13 is the schematic diagram of pressing device provided by the present invention；
Figure 14 is the top view of pressing device provided by the present invention；
Figure 15 is the schematic diagram of laser welding system provided by the present invention.
In Fig. 1-15：
1 be supply air line, 2 be supply part flow arrangement, 3 be choke valve, 4 be snorkel, 5 be fixed plate, 6 be escape pipe,
61 be air outlet, 7 be protection air curtain, 8 for treat solder joint, 9 be kinematic driving unit, 10 be compression tooling box, 11 be friction top,
20 it is connection sheet, 30 be battery bag, 40 is carrier chain.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present invention is to provide a kind of laser welding system, and the welding quality of the system is high.
Fig. 1 to Figure 15 is refer to, Fig. 1 is the structural representation of laser welding system provided by the present invention；Fig. 2 is this hair
The schematic diagram of bright provided air blowing pipeline；Fig. 3 is the schematic diagram of row air blowing pipeline provided by the present invention；
Fig. 4 to Fig. 8 is respectively the schematic diagram of specific embodiment one to five provided by the present invention；Fig. 9 is carried by the present invention
The end front elevational view of the air blowing pipeline of confession；Figure 10 is the end sectional side view of air blowing pipeline provided by the present invention；Figure 11 is this hair
Sectional view after bright provided pressing device compression；
Figure 12 is Figure 11 partial schematic diagram；Figure 13 is the schematic diagram of pressing device provided by the present invention；Figure 14 is this
The top view of the provided pressing device of invention；Figure 15 is the schematic diagram of laser welding system provided by the present invention.
A kind of laser welding system provided by the present invention, including for providing the supply air line 1 of protection gas；Supply air line
1 is connected provided with several supply part flow arrangements 2, a supply part flow arrangement 2 with least two air blowing pipelines, and air blowing pipeline is used for
Welding position is blown in advance and welding process is blown, each air blowing pipeline passes through corresponding throttling with supply part flow arrangement 2
Valve 3 is connected.
It should be noted that supply air line 1 is the device for providing protection gas to pad, supply air line 1 can be with
One, two or more supply part flow arrangements 2 connect, supply part flow arrangement 2 gas that can provide supply air line 1 is carried out
Shunt, and the gas that shunting is obtained is passed through in air blowing pipeline, the outlet of air blowing pipeline can be located at pad, and be used for weldering
Contact carries out blowing for protection gas.
During actual welding, welding position is multiple pads or is continuous weld seam, so in order to ensure
The quality of welding is then needed to that will participate in welding, it is necessary to keep blowing for protection gas with lasting in welding process before welding
The position army welded carries out blowing for protection gas, and several air blowing pipelines pass through throttling with supply part flow arrangement 2 respectively
Valve 3 is connected, and different air blowing pipelines can be controlled to be blowed respectively.In laser welding system provided by the present invention, if with
Dry air blowing pipeline is blown, so that the motion instead of protecting tracheae in the prior art, convenient to install, in laser beam welding,
Allow and protect gas whole process protection welding pool, complete the protection to weld seam, reduce the motion of protection gas system, prevent welding position oxygen
Change.Choke valve is used for adjusting the protection air-flow amount and switch of each tracheae, and supply part flow arrangement 2 realizes supply bronchial to each point
Gas.
Air blowing pipeline includes the snorkel 4 being connected with choke valve 3 and connected with snorkel 4 on the basis of above-described embodiment
The escape pipe 6 connect, snorkel 4 is telescopic snorkel 4.
It should be noted that air blowing pipeline is divided into two parts in the present embodiment, telescopic snorkel expands outlet
The scope of activities of pipe so that blowing operation disclosure satisfy that more multipoint solder joint or weld seam.Above-mentioned snorkel 4 send to be telescopic
It can also be bent flexible pipe while tracheae, so as to facilitate the adjustment position of snorkel 4, expand the operating area of escape pipe 6.
On the basis of above-described embodiment, escape pipe 6 is provided with the air outlet for being easy to flat that is forming protection air curtain
61.It should be noted that in order that escape pipe 6 blow out protection gas there is larger sphere of action, can be by the end of escape pipe 6
Portion is set to the air outlet 61 of flat, refer to Fig. 2, and the air outlet 61 of flat is expanded in solder joint or weld seam institute in the plane
Protect the scope of gas.
On the basis of any one above-mentioned embodiment, the air blowing pipeline that same supply part flow arrangement 2 is connected is side by side
Set, the protection air curtain that several air blowing pipelines are formed when working is connected.
Several air blowing pipelines in Fig. 3, Fig. 3 are refer to be arranged side by side, and it is close to each other, to cause the protection gas to be formed
Curtain 7 forms necessarily overlapping, so that the effect of protection gas butt welding point and weld seam is more stable.
Optionally, the scope of the number of air blowing pipeline, the tightness degree of arrangement and protection air curtain 7 is set as the case may be
It is fixed.
Any one above-mentioned embodiment basis on, it is same supply part flow arrangement 2 connect air blowing pipeline with
Kinematic driving unit 9 is connected.Kinematic driving unit 9 can drive air blowing pipeline to move within the specific limits, if so that convenient pair
The control of the position movement of dry air blowing pipeline.
On the basis of any one above-mentioned embodiment, the number of supply part flow arrangement 2 is at least 3, and sets respectively
It is placed in the edge of laser beam welding workstation, blowing direction is towards laser beam welding workstation.
On the basis of any one above-mentioned embodiment, when welding position is several continuous solder joints, figure refer to
4, several air blowing pipelines can be evenly provided on the side of solder joint, and the weldering for determining number is directed at single air blowing pipeline
Point, protection air curtain 7 forms certain overlapping；When welding position is continuous weld seam, Fig. 5 is refer to, what is be arranged side by side is some
Side by side, protection air curtain 7 forms certain overlapping, it is ensured that the effect to weld seam for the port of individual air blowing pipeline.
Fig. 6 to Fig. 8 is refer to, when welding position is irregular continuously or discontinuously position, it is possible to use snorkel 4
Scalable, bent characteristic, control escape pipe be moved to suitable position.
In the welding process for the laser welding system that each above-mentioned embodiment is provided, gas can be controlled with choke valve 3
Flow and switch, protection air curtain 7 can form gapless protection in welding process.Blown in advance before being welded in welding position,
Protection atmosphere is formed, it is lasting to blow after the completion of welding, high temperature weld seam is protected, then anti-oxidation stops blowing.
When welding product is the solder joint irregularly arranged, it can be distributed for the product according to its solder joint, adjustment protection
The position of trachea of gas system；And air blowing pipeline installing plate is arranged on above kinematic driving unit 9, protection gas is moved into solder joint
Position.
When welding product is irregular weld seam, the elongation state of snorkel can be adjusted, makes protection gas along weld seam shape
Into protection air curtain 7, to complete the protection to weld seam.
On the basis of any one above-mentioned embodiment, in the laser welding system welded for battery, also wrap
The compression tooling box 10 for battery bag 30 to be compressed with corresponding connection sheet 20 is included, compression tooling box 10 is provided with and is convenient for
The welding preformed hole or welding preset clearance of galvanometer welding.
It should be noted that above-mentioned compression tooling box is used to compress battery bag 30 and connection sheet 20, after compression, work is compressed
Welding preformed hole and welding preset clearance in mounted box 10 can be used for carrying out galvanometer welding, and welder and pressing device are two
It will not be interacted in individual independent device, welding process, welding will not cause the change for compressing effect, will not also cause battery
Bag 30 and the change in the gap of connection sheet 20, are compressed so being realized using compression tooling box 10, it is to avoid change the welding effect of battery bag
Really.
On the basis of above-described embodiment, compression tooling box 10 includes battery case and for compressing the battery in battery case
Bag 30, the friction top 11 of connection sheet 20, battery case connect provided with least two battery cases for setting battery, the correspondence of friction top 11
Provided with welding preformed hole or welding preset clearance at contact pin 20.
It should be noted that the gap of friction top 11 and battery case is that connection sheet 20 can be compressed on into battery bag 30 just
On gap.Battery case can avoid the rocking in compression tooling box 10 of battery bag 30.
In order to avoid transverse shifting of the connection sheet 20 in compression tooling box 10, friction top 11, which is provided with, to be used to limit connection sheet
The block piece for blocking the movement of connection sheet 20 is provided with the connection sheet holding tank of 20 transverse shiftings, holding tank.
Figure 15 is refer to, Figure 15 is the overall structure of laser welding system, wherein, in addition to for transmitting compression tooling box
Carrier chain 40；The side of carrier chain 40 is provided with galvanometer welder and the turn-over rig for overturning compression tooling box, or defeated
The both sides of chain 40 are sent to be equipped with galvanometer welder.
It should be noted that the compression tooling box 10 for being provided with battery bag 30, connection sheet 20 is driven on carrier chain 40, when
When being sent to laser welding position (galvanometer system in figure), battery bag 30 and connection sheet 20 are subjected to.
Except the primary structure for the laser welding system that each above-mentioned embodiment is provided, the laser welding system other
The structure of each several part refer to prior art, repeat no more herein.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
Laser welding system provided by the present invention is described in detail above.Specific case pair used herein
The principle and embodiment of the present invention is set forth, and the explanation of above example is only intended to the method for helping to understand the present invention
And its core concept.It should be pointed out that for those skilled in the art, before the principle of the invention is not departed from
Put, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
1. a kind of laser welding system, including for providing the supply air line (1) of protection gas；Characterized in that, the air supply pipe
Road (1) is provided with several supply part flow arrangements (2), and a supply part flow arrangement (2) is connected with least two air blowing pipelines,
The air blowing pipeline is used to blow to welding position in advance and welding process is blown, each described air blowing pipeline and the supply
Part flow arrangement (2) is connected by corresponding choke valve (3).
2. laser welding system according to claim 1, it is characterised in that the air blowing pipeline includes and the choke valve
(3) snorkel (4) of connection and the escape pipe (6) being connected with the snorkel (4), the snorkel (4) are sent to be telescopic
Tracheae (4) or bent flexible pipe of supplying gas.
3. laser welding system according to claim 2, it is characterised in that the escape pipe (6), which is provided with, to be easy to form guarantor
Protect air curtain, flat air outlet.
4. the laser welding system according to claims 1 to 3 any one, it is characterised in that the same supply point
The air blowing pipeline of stream device (2) connection is arranged side by side, the protection air curtain phase formed during several described air blowing pipeline work
Connection.
5. laser welding system according to claim 4, it is characterised in that the same supply part flow arrangement (2) is even
The air blowing pipeline connect is connected with kinematic driving unit (9).
6. laser welding system according to claim 4, it is characterised in that the number of the supply part flow arrangement (2) is extremely
It is 3 less, and is respectively arranged at the edge of laser beam welding workstation, blowing direction is towards the laser beam welding workstation.
7. laser welding system according to claim 4, it is characterised in that also including for by battery bag (30) with it is corresponding
Connection sheet (20) compress compression tooling box (10), the compression tooling box (10) be provided with is convenient for galvanometer welding weldering
Connect preformed hole or welding preset clearance.
8. laser welding system according to claim 7, it is characterised in that the compression tooling box (10) includes battery case
With the friction top (11) for compressing the battery bag (30) in the battery case, connection sheet (20), the battery case is provided with least
Two battery cases for setting battery, friction top (11) correspondence connection sheet (20) place is provided with welding preformed hole or weldering
Connect preset clearance.
9. laser welding system according to claim 8, it is characterised in that the friction top (11), which is provided with, to be used to limit institute
State and be provided with the connection sheet holding tank of connection sheet (20) transverse shifting, the holding tank for blocking the connection sheet (20) shifting
Dynamic block piece.
10. laser welding system according to claim 9, it is characterised in that also including for transmitting the compression tooling
The carrier chain (40) of box；
The side of the carrier chain (40) is provided with galvanometer welder and the turn-over rig for overturning the compression tooling box, or
The both sides of the carrier chain (40) are equipped with galvanometer welder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452253.6A CN107116301A (en) | 2017-06-15 | 2017-06-15 | A kind of laser welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452253.6A CN107116301A (en) | 2017-06-15 | 2017-06-15 | A kind of laser welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107116301A true CN107116301A (en) | 2017-09-01 |
Family
ID=59719194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452253.6A Pending CN107116301A (en) | 2017-06-15 | 2017-06-15 | A kind of laser welding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107116301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773688A (en) * | 2019-02-22 | 2019-05-21 | 杭州天盈金属制品有限公司 | A kind of intermetallic composite coating frock clamp |
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