CN207508536U - A kind of Laser Welding positioning device - Google Patents
A kind of Laser Welding positioning device Download PDFInfo
- Publication number
- CN207508536U CN207508536U CN201721562119.3U CN201721562119U CN207508536U CN 207508536 U CN207508536 U CN 207508536U CN 201721562119 U CN201721562119 U CN 201721562119U CN 207508536 U CN207508536 U CN 207508536U
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- welded
- workpiece
- briquetting
- welding
- positioning device
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Abstract
The utility model provides a kind of Laser Welding positioning device, the briquetting including bed die and connection Laser Welding mechanism driving unit, and at least one locating slot for being used to fix workpiece to be welded is offered 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；Lasing light emitter 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 utility model 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 utility model is related to laser welding technology field more particularly to a kind of Laser Welding positioning devices.
Background technology
Temperature switch breaker is one of current battery ideal protection part, particularly 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.During using resistance spot welding, precision is low, easily
Sticky point capillary causes deformation of products, and product rejection rate is higher；With the continuous development of technique, connection mode 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 the hold-down mechanism is complicated, cost is higher, and
The mechanism at most also can only a mould go out two products, production efficiency is relatively low.
Utility model content
Technical problem to be solved in the utility model is：For in the prior art, temperature switch laser spot welding technique knot
The problems such as structure is complicated, of high cost, low production efficiency, provides a kind of Laser Welding positioning dress being simple and efficient and repeatable accuracy is high
It puts.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：A kind of Laser Welding positioning device is provided,
Including bed die and the briquetting of Laser Welding mechanism driving unit is connected, offers at least one be used in the one side wall of the bed die
The locating slot of fixed workpiece to be welded；The position that each locating slot is corresponded on the briquetting is offered through briquetting upper and lower surface
Laser welding area, laser welding area bottom is convexly equipped with interior cantilever, and welder is treated for the pressing from the upper surface of workpiece to be welded
Part；Lasing light emitter transmitting laser beam converges to workpiece welding section to be welded across the laser welding area and is welded.
Wherein, the locating slot is formed by the outer surface for cutting the bed die, and workpiece body to be welded is fixed including being used for
Ontology placing groove and interconnected respectively with ontology placing groove both ends for fix the first of workpiece bluff bit to be welded the secondary slot and
Second secondary slot；
The workpiece welding section to be welded includes two workpiece bluff bits to be welded and the copper at the workpiece body both ends to be welded
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 broad import of first welding hole and the second welding hole is opened in the upper surface use of the briquetting
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 bar-shaped trough in area is connect, the bar-shaped trough lower surface notch both 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 is integrally formed with the briquetting, and the interior cantilever protrudes the thickness of the briquetting outer surface
More than the workpiece body both ends to be welded copper sheet to the workpiece body upper surface to be welded distance, to prevent the briquetting straight
The contact workpiece body to be welded.
Wherein, the positioning device further includes assembling guide post, is offered respectively on the briquetting and bed die and the assembling
The briquetting pilot hole and bed die pilot hole that guide post matches, one end of the assembling guide post are plugged in the bed die pilot hole in advance
Interior, the other end is by with the mating of the briquetting pilot hole being used to that the briquetting to be guided to be accurately located at bed die upper surface.
Wherein, the stepped setting in bottom of the ontology placing groove and the described 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 at workpiece body both ends to be welded respectively, so that the workpiece bluff bit to be welded treats welder with described
The copper sheet at part ontology both ends is in same level.
Wherein, the briquetting is made of 65Mn carbon steel；The bed die is made of aluminium oxide copper；The assembling guide post
It is made of 304 stainless steels.
Wherein, the edge of the ontology placing groove, the first secondary slot and the second secondary slot offers several and falls
Angle, the easy to disassemble and fixed workpiece body to be welded and workpiece bluff bit to be welded.
Wherein, the assembling guide post is provided with the pin shape of end in one end protrusion, and the end is assembled with the bed die
Hole matches；
The quantity of the assembling guide post is 2, is separately positioned on the length direction both ends of the positioning device.
Wherein, the quantity of locating slot opened up on each bed die is at least 5.
The advantageous effect brought of technical solution that the utility model embodiment provides is：Briquetting and bottom by mutual cooperation
Mould can disposably weld multiple workpiece to be welded, and of simple structure and strong practicability, solving a mould in the prior art can only process
Inefficiency problem caused by two workpiece to be welded；And the repeatable accuracy that briquetting and bed die assemble every time improves within 0.1mm
The performance of welding product is effectively ensured in welding quality.
Description of the drawings
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Fig. 1 is the structure diagram of positioning device provided by the utility model；
Fig. 2 is the assembling structure schematic diagram of bed die provided by the utility model and workpiece to be welded.
Specific embodiment
It is complicated in order to solve temperature switch Laser Welding hold-down mechanism in the prior art, the problems such as under low production efficiency,
Provide it is a kind of be simple and efficient, the Laser Welding positioning device that repeatable accuracy is high, core concept is：Pass through the briquetting of mutual cooperation
Disposable multiple workpiece to be welded of welding processing are realized with bed die, the repetition for ensuring that briquetting and bed die assemble every time by assembling guide post
Precision is in more than 0.1mm, of simple structure and strong practicability.
With reference to shown in Fig. 1 and Fig. 2, Laser Welding positioning device provided by the utility model switchs for welding temperature
Breaker melts workpiece bluff bit 42 to be welded admittedly on the copper sheet of workpiece body 41 to be welded, including bed die 2 and connection laser
The briquetting 1 of welding mechanism driving unit (not shown) is offered in the one side wall of bed die 2 at least one for fixing workpiece to be welded
Locating slot 21；The corresponding position per a positioning groove 21 is offered through the laser welding area 12 of 1 upper and lower surface of briquetting on briquetting 1,
12 bottom of laser welding area is convexly equipped with interior cantilever 13, for pressing workpiece to be welded from the upper surface of workpiece to be welded；Lasing light emitter emits
Laser beam converges to workpiece welding section to be welded across laser welding area 12 and is welded.
Locating slot 21 is formed by the outer surface of cutting bed die 2, and the ontology including being used to fix workpiece body 41 to be welded is placed
Slot 211 and the first secondary slot 212 for being used to fix 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 includes two workpiece bluff bits 42 to be welded and 41 both ends of workpiece body 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
121 and second welding hole 122 of hole is connect, the broad import of 121 and second welding hole 122 of the first welding hole is opened in briquetting 1
Upper surface for receiving the laser beam；
First welding hole 121 and 122 bottom of the second welding hole offer the weldering of the first welding section of face 411 and second respectively
The bar-shaped trough 123 in area 412 is connect, 123 lower surface notch both sides of bar-shaped trough are convexly equipped with cantilever 13 in one respectively, described sharp for limiting
Light beam converges to the first welding section 411 or the second welding section 412, improves Laser Welding welding progress.
Preferably, interior cantilever 13 is integrally formed with briquetting 1, interior cantilever 13 protrude from 1 outer surface of briquetting thickness be more than treat
The copper sheet at 41 both ends of workpiece body is welded to the distance of 41 upper surface of workpiece body to be welded, briquetting 1 is prevented to be in direct contact workpiece to be welded
Ontology 41 and damage workpiece body 41 to be welded.It is understood that the length of interior cantilever 13 cannot be long, it is otherwise easily deformed damage
It is bad, influence welding quality.Those skilled in the art can do suitable according to the length of the internal cantilever 13 of workpiece to be welded of different model
Answering property adjusts, and 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 assembling guide posts 5, offer on briquetting 1 and bed die 2 and briquetting pilot hole 51 that each assembling guide post 5 matches respectively
With bed die pilot hole 52, assembling guide post 5 one end be plugged in advance in bed die pilot hole 52, the other end by with briquetting pilot hole
51 it is mating for briquetting 1 to be guided to be accurately located at 2 upper surface of bed die, ensure the welding quality of workpiece.
Assembling 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；
In the present embodiment, the quantity of assembling guide post 5 is 2, is separately positioned on the length direction both ends of the positioning device, ensures briquetting
1 and the precision assembled every time of 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 first is secondary
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 secondary slot of slot 212 and second
213 bottom is concordant with the copper sheet position at 41 both ends of workpiece body to be welded respectively, so that workpiece bluff bit 42 to be welded is with treating welder
The copper sheet at 41 both ends of part ontology is in same level.
Further, by comprehensive assessments such as the analysis of a variety of materials thermal conductivity, cost, practical effects, briquetting 1 is adopted
It is made of 65Mn carbon steel, 65Mn carbon steel is chiefly used in manufacturing spring, therefore, has when interior cantilever 13 presses workpiece to be welded
Certain cushion effect so that the positioning of workpiece to be welded is more accurate；Bed die 2 is made of aluminium oxide copper, can bear Laser Welding
The moment high fever connect avoids the occurrence of the situation that heat dissipation not enough causes workpiece to be welded together with bed die；It assembles guide post 5 and uses 304 not
Rust steel is made.
Preferably, the edge of the secondary slot 213 of the secondary slot 212 and second of ontology placing groove 211, first offers several
Chamfering 214, workpiece body 41 to be welded easy for removal and installation and workpiece bluff bit 42 to be welded；
In practical applications, the positioning device provided by the utility model need to combine Laser Welding mechanism and use, specifically,
The bed die 2 for being placed with workpiece to be welded is fixed on work top, briquetting 1 connect laser point mechanism driving unit rise and
Downward motion；Specifically, include the following steps：
S1：The workpiece to be welded is individually fixed in the locating slot 21 being opened 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：Lasing light emitter emits laser beam and converges to workpiece welding section welding to be welded across laser welding area 12.
In practical applications, the mode that repeatedly cycle welding can be used welds workpiece bluff bit to be welded and workpiece body to be welded,
Each separated in time, avoid the problem that the workpiece welding section to be welded be continuously heated caused by deformation quantity it is excessive；
According to the welding region of Laser Welding mechanism, the quantity of locating slot 21 opened up on each bed die 2 is at least 5, solution
A mould in the prior art of having determined can only process inefficiency problem caused by two workpiece to be welded.
In conclusion the Laser Welding positioning device in above-described embodiment of the utility model, passes through the briquetting of mutual cooperation
And bed die, of simple structure and strong practicability can disposably weld multiple workpiece to be welded, solve in the prior art that a mould can only
Inefficiency problem caused by processing two workpiece to be welded；And the repeatable accuracy that briquetting and bed die assemble every time is within 0.1mm,
Welding quality is improved, can effectively ensure that the performance of welding product.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Right within.
Claims (10)
1. a kind of Laser Welding positioning device switchs breaker for welding temperature, which is characterized in that including bed die (2) and even
The briquetting (1) of Laser Welding mechanism driving unit is connect, is offered in the one side wall of the bed die (2) at least one to be welded for fixing
The locating slot (21) of workpiece；The position that each locating slot (21) is corresponded on the briquetting (1) is offered on briquetting (1)
The laser welding area (12) of lower surface, laser welding area (12) bottom are convexly equipped with interior cantilever (13), for from workpiece to be welded
Upper surface press workpiece to be welded；Lasing light emitter emits laser beam and converges to workpiece welding to be welded across the laser welding area (12)
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 be used to fix workpiece body to be welded (41) ontology placing groove (211) and respectively with ontology place
What slot (211) both ends interconnected is used to fix the first secondary slot (212) and the second secondary slot (213) of workpiece bluff bit (42) to be welded；
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) of formation and the second welding section (412).
3. positioning device according to claim 2, which is characterized in that each laser welding area (12) is included 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 opened in the upper surface of the briquetting (1) for receiving the laser 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 bar-shaped trough of the second welding section (412) (123), bar-shaped trough (123) the lower surface notch both 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 more than workpiece body (41) both ends to be welded
Copper sheet to workpiece body (41) upper surface to be welded distance, the briquetting (1) to be prevented to be in direct contact the workpiece to be welded
Ontology (41).
5. positioning device according to claim 1, which is characterized in that the positioning device further includes several assembling guide posts
(5), the briquetting pilot hole to match with each assembling guide post (5) is offered respectively on the briquetting (1) and bed die (2)
(51) and bed die pilot hole (52), one end of the assembling guide post (5) is plugged in advance in the bed die pilot hole (52), another
End is by with the mating of the briquetting pilot hole (51) being used to that the briquetting (1) to be guided to be accurately located at bed die (2) upper table
Face.
6. positioning device according to claim 2, which is characterized in that the ontology placing groove (211) is secondary with described first
Slot (212), the stepped setting in bottom of the second secondary slot (213)；
The depth of the ontology placing groove (211) and the consistency of thickness of 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 at workpiece body to be welded (41) both ends respectively, so that described treat
Welder's part bluff bit (42) and the copper sheet at workpiece body (41) both ends 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 assembling 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 second secondary 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. positioning device according to claim 5, which is characterized in that the assembling guide post (5) is provided in one end protrusion
The pin shape of end, the end match with the bed die pilot hole (52)；
The quantity of the assembling guide post (5) is 2, is separately positioned on the length direction both ends of the positioning device.
10. positioning device according to claim 1, which is characterized in that the locating slot opened up on each bed die (2)
(21) quantity is at least 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562119.3U CN207508536U (en) | 2017-11-21 | 2017-11-21 | A kind of Laser Welding positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562119.3U CN207508536U (en) | 2017-11-21 | 2017-11-21 | A kind of Laser Welding positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN207508536U true CN207508536U (en) | 2018-06-19 |
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ID=62540354
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562119.3U Expired - Fee Related CN207508536U (en) | 2017-11-21 | 2017-11-21 | A kind of Laser Welding positioning device |
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| Country | Link |
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| CN (1) | CN207508536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807479A (en) * | 2017-11-21 | 2019-05-28 | 惠州市德瑞达科技股份有限公司 | A kind of Laser Welding positioning device and welding procedure |
-
2017
- 2017-11-21 CN CN201721562119.3U patent/CN207508536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807479A (en) * | 2017-11-21 | 2019-05-28 | 惠州市德瑞达科技股份有限公司 | A kind of Laser Welding positioning device and welding procedure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |