CN109807479A - A kind of Laser Welding positioning device and welding procedure - Google Patents
A kind of Laser Welding positioning device and welding procedure Download PDFInfo
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- CN109807479A CN109807479A CN201711164114.XA CN201711164114A CN109807479A CN 109807479 A CN109807479 A CN 109807479A CN 201711164114 A CN201711164114 A CN 201711164114A CN 109807479 A CN109807479 A CN 109807479A
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- 238000003466 welding Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- UNRNJMFGIMDYKL-UHFFFAOYSA-N aluminum copper oxygen(2-) Chemical compound [O-2].[Al+3].[Cu+2] UNRNJMFGIMDYKL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Abstract
The present invention provides a kind of Laser Welding positioning device and welding procedure, including bed die and connects the briquetting of Laser Welding mechanism driving unit, offers at least one for fixing locating slot of workpiece to be welded in the one side wall of the bed die；The position that each locating slot is corresponded on the briquetting is offered through the laser welding area of briquetting upper and lower surface, and laser welding area bottom is convexly equipped with interior cantilever, for pressing workpiece to be welded from the upper surface of workpiece to be welded；Laser source transmitting laser beam converges to workpiece welding section to be welded across the laser welding area and is welded；Laser Welding positioning device provided by the invention can a mould have more and bed die and briquetting repeatable accuracy are high, the welding quality of product is effectively ensured.
Description
Technical field
The present invention relates to technical field of laser welding more particularly to a kind of Laser Welding positioning devices and welding procedure.
Background technique
Temperature switch breaker is one of current battery ideal protection part, especially more demanding to temperature protection
Polymer, battery pack or other products more demanding to temperature protection have very high application value.
It is to need the bluff bit of temperature switch being welded on temperature switch at present in the welding process of temperature switch breaker
On the copper sheet of ontology, there are mainly two types of welding manners: resistance spot welding and laser spot welding.When using resistance spot welding, precision is low, is easy
Sticky point capillary causes deformation of products, and product rejection rate is higher；With the continuous development of technique, connection type is continuously improved, resistance
Spot-welding technology has developed to laser spot welding technique, and laser spot welding precision is high, but in order to ensure in welding process workpiece it is close
Contact, it is necessary to have independent rebounding mechanism, i.e., using double hold-down mechanisms.But structure is complicated for the hold-down mechanism, higher cost, and
The mechanism at most also can only a mould go out two products, production efficiency is lower.
Summary of the invention
The technical problems to be solved by the present invention are: temperature switch laser spot welding process structure is multiple in the prior art
The problems such as miscellaneous, at high cost, production efficiency is low, provides a kind of Laser Welding positioning device and weldering being simple and efficient and repeatable accuracy is high
Connect technique.
The technical solution that the present invention is proposed with regard to above-mentioned technical problem is as follows: on the one hand, providing a kind of Laser Welding positioning dress
It sets, is used for welding temperature switch breaker, the briquetting including bed die and connection Laser Welding mechanism driving unit, the bed die
One side wall on offer at least one for fixing locating slot of workpiece to be welded；Each locating slot is corresponded on the briquetting
Position offer through the laser welding area of briquetting upper and lower surface, laser welding area bottom is convexly equipped with interior cantilever, is used for
Workpiece to be welded is pressed from the upper surface of workpiece to be welded；Laser source transmitting laser beam passes through the laser welding area and converges to welder
It is welded part welding section.
Wherein, the locating slot is formed by the outer surface for cutting the bed die, including for fixing workpiece body to be welded
Ontology placing groove and the secondary slot of first for fixing workpiece bluff bit to be welded interconnected respectively with ontology placing groove both ends and
Second secondary slot；
The workpiece welding section to be welded includes two workpiece bluff bits to be welded copper with the workpiece body to be welded respectively
Piece mutually overlaps the first welding section and the second welding section of formation.
Wherein, each laser welding area includes the first weldering being away from each other in half inverted cone structure and sidewall opening
Hole and the second welding hole are connect, the upper surface that the broad import of first welding hole and the second welding hole is provided with the briquetting is used
In the reception laser beam；
The bottom of first welding hole and the second welding hole offers the first welding section described in face and the second weldering respectively
The strip groove in area is connect, the strip groove lower surface notch two sides are convexly equipped with an interior cantilever respectively, for limiting the laser
Beam convergence is to first welding section or the second welding section.
Wherein, the interior cantilever and the briquetting are integrally formed, and the interior cantilever protrudes the thickness of the briquetting outer surface
Greater than the copper sheet of the workpiece body to be welded to the distance of the workpiece body upper surface to be welded, to prevent the briquetting from directly connecing
Touch the workpiece body to be welded.
Wherein, the positioning device further includes several assembly guide posts, offered on the briquetting and bed die respectively with often
The briquetting pilot hole and bed die pilot hole that the one assembly guide post matches, one end of the assembly guide post are plugged in described in advance
In bed die pilot hole, the other end is by turning the mating for guiding the briquetting to be accurately located at bottom of distribution with the briquetting
Mould upper surface.
Wherein, the stepped setting in bottom of the ontology placing groove and the first secondary slot, the second secondary slot；
The consistency of thickness of the depth of the ontology placing groove and the workpiece body to be welded, the described first secondary slot and the second pair
The bottom of slot is concordant with the copper sheet position of workpiece body to be welded respectively, so that the workpiece bluff bit to be welded and the workpiece sheet to be welded
The copper sheet of body is in same level.
Wherein, the briquetting is made of 65Mn carbon steel；The bed die is made of aluminium oxide copper；The assembly guide post
It is made of 304 stainless steels.
Wherein, the edge of the ontology placing groove, the first secondary slot and the third pair slot offers several and falls
Angle, the easy to disassemble and fixed workpiece body to be welded and workpiece bluff bit to be welded.
On the other hand, a kind of Laser Welding welding procedure is provided, welding temperature switch breaker is used for, comprising the following steps:
S1: the workpiece to be welded is individually fixed in the locating slot being provided on bed die；
S2: Laser Welding mechanism driving unit driving briquetting moves downward, and is convexly equipped in briquetting laser welding area bottom
Interior cantilever presses workpiece to be welded from the upper surface of workpiece to be welded；
S3: laser source transmitting laser beam converges to workpiece welding section to be welded across the laser welding area and is welded.
Wherein, the locating slot include ontology placing groove and interconnected respectively with ontology placing groove both ends
One secondary slot and the second secondary slot；
The step S1 further include:
S11: workpiece body to be welded is fixed in the ontology placing groove；
S12: two workpiece bluff bits to be welded are individually fixed in the described first secondary slot and the second secondary slot；
The workpiece welding section to be welded includes the copper sheet phase of two the workpiece bluff bits to be welded and the workpiece body to be welded
Mutually the first welding section and the second welding section that overlap joint is formed.
Technical solution provided in an embodiment of the present invention has the benefit that through mutually matched briquetting and bed die,
Multiple workpiece to be welded can be disposably welded, of simple structure and strong practicability, can only be processed by solving a mould in the prior art by two
Inefficiency problem caused by workpiece to be welded；And the repeatable accuracy that briquetting and bed die assemble every time improves weldering within 0.1mm
Quality is connect, the performance of welding product is effectively ensured.
Detailed description of the invention
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structural schematic diagram of positioning device provided by the invention；
Fig. 2 is the assembling structure schematic diagram of bed die provided by the invention and workpiece to be welded；
Fig. 3 is the flow diagram of welding procedure provided by the invention.
Specific embodiment
The problems such as structure is complicated, and production efficiency is low in order to solve temperature switch Laser Welding hold-down mechanism in the prior art,
Provide it is a kind of be simple and efficient, the Laser Welding positioning device that repeatable accuracy is high and welding procedure, core concept are: by mutual
The briquetting and bed die of cooperation realize the disposable multiple workpiece to be welded of welding processing, ensure that briquetting and bed die are each by assembling guide post
The repeatable accuracy of assembly is in 0.1mm or more, of simple structure and strong practicability.
Embodiment one
Referring to figs. 1 and 2, Laser Welding positioning device provided by the invention is used for welding temperature switch breaker,
Workpiece bluff bit 42 to be welded is melted admittedly on the copper sheet of workpiece body 41 to be welded, including bed die 2 and connection Laser Welding mechanism drive
The briquetting 1 of moving cell (not shown) offers at least one in the one side wall of bed die 2 for fixing locating slot of workpiece to be welded
21；The position that every a positioning groove 21 is corresponded on briquetting 1 is offered through the laser welding area 12 of 1 upper and lower surface of briquetting, Laser Welding
It connects 12 bottom of area and is convexly equipped with interior cantilever 13, for pressing workpiece to be welded from the upper surface of workpiece to be welded；Laser source emits laser beam
Workpiece welding section to be welded is converged to across laser welding area 12 to be welded.
Locating slot 21 is formed by the outer surface of cutting bed die 2, is placed including the ontology for fixing workpiece body 41 to be welded
Slot 211 and the secondary slot 212 of first for fixing workpiece bluff bit 42 to be welded interconnected respectively with 211 both ends of ontology placing groove
With the second secondary slot 213；The workpiece welding section to be welded include two workpiece bluff bits 42 to be welded respectively with workpiece body 41 to be welded
Copper sheet mutually overlaps the first welding section 411 and the second welding section 412 of formation.
Specifically, each laser welding area 12 includes the first weldering being away from each other in half inverted cone structure and sidewall opening
Hole 121 and the second welding hole 122 are connect, the broad import of first welding hole 121 and the second welding hole 122 is provided with briquetting 1
Upper surface for receiving the laser beam；
First welding hole 121 and 122 bottom of the second welding hole offer the first welding section of face 411 and the second welding respectively
The strip groove 123 in area 412,123 lower surface notch two sides of strip groove are convexly equipped with cantilever 13 in one respectively, for limiting the laser
Beam convergence improves Laser Welding and welds progress to the first welding section 411 or the second welding section 412.
Preferably, interior cantilever 13 is integrally formed with briquetting 1, the thickness that interior cantilever 13 protrudes from 1 outer surface of briquetting be greater than to
The copper sheet of workpiece body 41 is welded to the distance of 41 upper surface of workpiece body to be welded, prevents briquetting 1 from directly contacting workpiece body to be welded
41 and damage workpiece body 41 to be welded.It is understood that the length of interior cantilever 13 cannot be too long, it is otherwise easily deformed damage,
Influence welding quality.Those skilled in the art can do adaptability according to the length of the internal cantilever 13 of workpiece to be welded of different model
Adjustment, is not specifically limited herein.
Within 0.1mm, the positioning device further includes the repeatable accuracy assembled every time in order to ensure briquetting 1 and bed die 2
Several assembly guide posts 5, offered on briquetting 1 and bed die 2 respectively the briquetting pilot hole 51 to match with each assembly guide post 5 and
Bed die pilot hole 52, assembly guide post 5 one end be plugged in bed die pilot hole 52 in advance, the other end by with briquetting pilot hole 51
It is mating for guiding briquetting 1 to be accurately located at 2 upper surface of bed die, guarantee the welding quality of workpiece.
Assembly guide post 5 is provided with the pin shape of end in one end protrusion, and the end matches with bed die pilot hole 52；This
In embodiment, the quantity of assembly guide post 5 is 2, is separately positioned on the length direction both ends of the positioning device, guarantees briquetting 1
The precision assembled every time with bed die 2.
Since workpiece body 41 to be welded and the thickness of workpiece bluff bit 42 to be welded are inconsistent, ontology placing groove 211 and the first pair
The stepped setting in bottom of the secondary slot 213 of slot 212, second；
The consistency of thickness of the depth of ontology placing groove 211 and workpiece body 41 to be welded, the first secondary slot 212 and the second secondary slot
213 bottom is concordant with the copper sheet position of workpiece body 41 to be welded respectively, so that workpiece bluff bit to be welded 42 and workpiece sheet to be welded
The copper sheet of body 41 is in same level.
Further, by being adopted to comprehensive assessments, briquettings 1 such as the analysis of a variety of materials thermal conductivity, cost, practical effects
It is made of 65Mn carbon steel, 65Mn carbon steel is chiefly used in manufacturing spring, therefore, has one when interior cantilever 13 presses workpiece to be welded
Fixed cushion effect, so that the positioning of workpiece to be welded is more accurate；Bed die 2 is made of aluminium oxide copper, is able to bear laser welding
Moment high fever, avoid the occurrence of heat dissipation and not enough cause workpiece and the case where bed die is welded together；It is stainless using 304 to assemble guide post 5
Steel is made.
The edge of the secondary slot 212 of ontology placing groove 211, first and the second secondary slot 213 offers several chamferings
214, easy to disassemble and fixed workpiece body 41 to be welded and workpiece bluff bit 42 to be welded；
In practical applications, the positioning device provided by the invention need to be used in conjunction with Laser Welding mechanism, specifically, placing
The bed die 2 for needing welder's part is fixed on work top, and the driving unit that briquetting 1 connects laser point mechanism is risen and pushed
Movement；On the other hand, according to the welding region of Laser Welding mechanism, the quantity of the locating slot 21 opened up on each bed die 2 is at least
At 5, solve the problems, such as that a mould can only process inefficiency caused by two workpiece to be welded in the prior art.
Embodiment two
The present invention also provides a kind of Laser Welding welding procedures, are used for welding temperature switch breaker, i.e., by workpiece pair to be welded
Piece 42 melts admittedly on the copper sheet of workpiece body 41 to be welded, referring to Fig. 3, comprising the following steps:
S1: the workpiece to be welded is individually fixed in the locating slot 21 being provided on bed die 2；
S2: Laser Welding mechanism driving unit driving briquetting 1 moves downward, and is convexly equipped in 1 laser welding area of briquetting, 12 bottom
Interior cantilever 13 presses workpiece to be welded from the upper surface of workpiece to be welded；
S3: laser source transmitting laser beam converges to workpiece welding section to be welded across laser welding area 12 and is welded.
In practical applications, workpiece bluff bit to be welded is welded on workpiece body to be welded by the mode that repeatedly circulation welding can be used
Copper sheet on, each separated in time, the excessive problem of deformation quantity caused by avoiding workpiece to be welded from being continuously heated；
Further, locating slot 21 includes ontology placing groove 211 and interconnects respectively with 211 both ends of ontology placing groove
The first secondary slot 212 and the second secondary slot 213；
The step S1 further include:
S11: workpiece body 41 to be welded is fixed in ontology placing groove 211；
S12: workpiece bluff bit 42 to be welded is individually fixed in the first secondary slot 212 and the second secondary slot 213；
The workpiece welding section to be welded includes two workpiece bluff bits 42 to be welded copper sheet phase with workpiece body 41 to be welded respectively
Mutually the first welding section 411 and the second welding section 412 that overlap joint is formed.
It should be noted that Laser Welding welding procedure provided in this embodiment is that the Laser Welding provided based on embodiment one is determined
Position device, thus those skilled in the art should it is found that its identical between each other or approximate technical characteristic can use for reference it is general,
Technical effect possessed by the positioning device, the welding procedure equally have, and details are not described herein.
In conclusion Laser Welding positioning device and welding procedure in the above embodiment of the present invention, pass through mutual cooperation
Briquetting and bed die, of simple structure and strong practicability can disposably weld multiple workpiece to be welded, solve in the prior art one
Mould can only process inefficiency problem caused by two workpiece to be welded；And the repeatable accuracy that briquetting and bed die assemble every time exists
Within 0.1mm, welding quality is improved, can effectively ensure that the performance of welding product.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in scope of the presently claimed invention it
It is interior.
Claims (10)
1. a kind of Laser Welding positioning device is used for welding temperature switch breaker, which is characterized in that including bed die (2) and even
The briquetting (1) of Laser Welding mechanism driving unit is connect, it is to be welded for fixing that at least one is offered in the one side wall of the bed die (2)
The locating slot (21) of workpiece；The position that each locating slot (21) is corresponded on the briquetting (1) offers on briquetting (1)
The laser welding area (12) of lower surface, laser welding area (12) bottom are convexly equipped with interior cantilever (13), are used for from workpiece to be welded
Upper surface press workpiece to be welded；Laser source transmitting laser beam passes through the laser welding area (12) and converges to workpiece welding to be welded
It is welded in area.
2. positioning device according to claim 1, which is characterized in that the locating slot (21) is by cutting the bed die (2)
Outer surface formed, including for fix the workpiece body to be welded (41) ontology placing groove (211) and respectively with ontology
The secondary slot (212) of first for fixing workpiece bluff bit (42) to be welded that placing groove (211) both ends interconnect and the second secondary slot
(213)；
The workpiece welding section to be welded include two workpiece bluff bits (42) to be welded respectively with the workpiece body (41) to be welded
Copper sheet mutually overlap the first welding section (411) and the second welding section (412) of formation.
3. positioning device according to claim 2, which is characterized in that each laser welding area (12) includes in half
The first welding hole (121) and the second welding hole (122) that inverted cone structure and sidewall opening are away from each other, first welding hole
(121) and the broad import of the second welding hole (122) is provided with the upper surface of the briquetting (1) for receiving the laser light
Beam；
The bottom of first welding hole (121) and the second welding hole (122) offers the first welding section described in face respectively
(411) and the strip groove (123) of the second welding section (412), strip groove (123) the lower surface notch two sides are convexly equipped with one respectively
The interior cantilever (13) converges to first welding section (411) or the second welding section (412) for limiting the laser beam.
4. positioning device according to claim 3, which is characterized in that the interior cantilever (13) and the briquetting (1) one
Molding, the thickness that the interior cantilever (13) protrudes briquetting (1) outer surface are greater than the copper sheet of the workpiece body (41) to be welded
To the distance of workpiece body (41) upper surface to be welded, to prevent the briquetting (1) from directly contacting the workpiece body to be welded
(41)。
5. positioning device according to claim 1, which is characterized in that the positioning device further includes several assembly guide posts
(5), the briquetting pilot hole to match with each assembly guide post (5) is offered respectively on the briquetting (1) and bed die (2)
(51) and bed die pilot hole (52), one end of assembly guide post (5) is plugged in advance in the bed die pilot hole (52), another
End is by turning the mating for guiding the briquetting (1) to be accurately located at table on bed die (2) of distribution (51) with the briquetting
Face.
6. positioning device according to claim 2, which is characterized in that the ontology placing groove (211) and first pair
The stepped setting in bottom of slot (212), the second secondary slot (213)；
The consistency of thickness of the depth of the ontology placing groove (211) and the workpiece body (41) to be welded, the described first secondary slot
(212) and the bottom of the second secondary slot (213) is concordant with the copper sheet position of workpiece body to be welded (41) respectively, so that described to welder
Part bluff bit (42) and the copper sheet of the workpiece body (41) to be welded are in same level.
7. positioning device according to claim 5, which is characterized in that the briquetting (1) is made of 65Mn carbon steel；Institute
Bed die (2) is stated to be made of aluminium oxide copper；The assembly guide post (5) is made of 304 stainless steels.
8. positioning device according to claim 6, which is characterized in that the ontology placing groove (211), the first secondary slot
(212) and the edge of the third pair slot (213) offers several chamferings (214), it is easy to disassemble and fixed described in
Workpiece body (41) to be welded and workpiece bluff bit to be welded (42).
9. a kind of Laser Welding welding procedure is used for welding temperature switch breaker, which comprises the following steps:
S1: the workpiece to be welded is individually fixed in the locating slot (21) being provided on bed die (2)；
S2: Laser Welding mechanism driving unit driving briquetting (1) moves downward, and is convexly equipped in the briquetting (1) laser welding area (12)
The interior cantilever (13) of bottom presses workpiece to be welded from the upper surface of workpiece to be welded；
S3: laser source transmitting laser beam converges to workpiece welding section to be welded across the laser welding area (12) and is welded.
10. welding procedure according to claim 9, which is characterized in that the locating slot (21) includes ontology placing groove
(211) and respectively the secondary slot (212) of first interconnected with ontology placing groove (211) both ends and the second secondary slot (213)；
The step S1 further include:
S11: workpiece body to be welded (41) is fixed in the ontology placing groove (211)；
S12: two workpiece bluff bits (42) to be welded are individually fixed in the described first secondary slot (212) and the second secondary slot (213)；
The workpiece welding section to be welded include two workpiece bluff bits (42) to be welded respectively with the workpiece body (41) to be welded
Copper sheet mutually overlap the first welding section (411) and the second welding section (412) of formation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711164114.XA CN109807479A (en) | 2017-11-21 | 2017-11-21 | A kind of Laser Welding positioning device and welding procedure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711164114.XA CN109807479A (en) | 2017-11-21 | 2017-11-21 | A kind of Laser Welding positioning device and welding procedure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110722320A (en) * | 2019-11-14 | 2020-01-24 | 陕西航空电气有限责任公司 | Welding tool for installation support of ignition device of aero-engine |
| CN112496543A (en) * | 2020-11-26 | 2021-03-16 | 江苏逸飞激光设备有限公司 | Collector plate welding method and device |
| CN112894050A (en) * | 2020-12-29 | 2021-06-04 | 昆山信方达电子有限公司 | 5G filter welding set |
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| CN110722320A (en) * | 2019-11-14 | 2020-01-24 | 陕西航空电气有限责任公司 | Welding tool for installation support of ignition device of aero-engine |
| CN110722320B (en) * | 2019-11-14 | 2021-11-19 | 陕西航空电气有限责任公司 | Welding tool for installation support of ignition device of aero-engine |
| CN112496543A (en) * | 2020-11-26 | 2021-03-16 | 江苏逸飞激光设备有限公司 | Collector plate welding method and device |
| CN112894050A (en) * | 2020-12-29 | 2021-06-04 | 昆山信方达电子有限公司 | 5G filter welding set |
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