CN110077000A - A kind of welder and method of fluid channel transparent plastic - Google Patents
A kind of welder and method of fluid channel transparent plastic Download PDFInfo
- Publication number
- CN110077000A CN110077000A CN201910272443.9A CN201910272443A CN110077000A CN 110077000 A CN110077000 A CN 110077000A CN 201910272443 A CN201910272443 A CN 201910272443A CN 110077000 A CN110077000 A CN 110077000A
- Authority
- CN
- China
- Prior art keywords
- fluid channel
- transparent plastic
- laser
- channel transparent
- welder
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
- B29C65/1638—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding focusing the laser beam on the interface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides the welders and method of a kind of fluid channel transparent plastic, including workbench and laser emitter, the upper surface of the workbench is provided with profiling chamber, the two sides of the workbench are respectively arranged with fixture, the upper end of the fixture is connected with a transparent glass medium, the transparent glass medium is located at the top of the profiling chamber, the laser emitter is located at the top of the transparent glass medium, and the exit facet of the laser emitter is towards the transparent glass medium, first fluid channel transparent plastic to be welded and the overlapping of the second fluid channel transparent plastic are placed in the profiling chamber, the fixture clamps the transparent glass medium and the first fluid channel transparent plastic and the second fluid channel transparent plastic, the first fluid channel transparent plastic and the second fluid channel transparent plastic are respectively thermoplastic transparent Plastic product.The transparent plastic laser welding process of automation is realized on the basis of not using additive by using the welder and method of fluid channel transparent plastic of the invention.
Description
Technical field
The present invention relates to welding technology fields, and in particular to a kind of welder and method of fluid channel transparent plastic.
Background technique
With the development of science and technology, new technique is kept updating, and laser is using being more and more widely used
In industrial production.In the development of laser cause, with laser marking, laser cutting and laser metal welding are the most prominent
Out, technology maturation, perfect in shape and function are realized.In this field of plastics laser welding, still there is a certain distance with foreign countries.Mesh
It is preceding in plastics laser welding, with it is transparent with black plastic, it is translucent with black plastic, it is transparent with translucent plastics laser
The application of welding is staple market, the main laser welding principle for passing through plastics: in the thermoplastic material that two clamp, laser
The material for transmiting light transmission reaches above the material of extinction, the effect of thermal energy is converted into using luminous energy, the material of extinction reaches melting
When state, then by external clamping force, generates with the material of light transmission and mutually melt, form weld seam after cooling.And much medically
The material that face uses all is transparent material, if laser can be directly transmitted through transparent according to conventional laser welding principle
Material, effective weld seam will not be formed.Realize that the welding procedure of transparent laser plastics mostly using optical absorbing agent is applied, reaches at present
Light-transmitting materials realize photo absorption performance.And apply optical absorbing agent and not only increase cost of labor, it also will cause pollution condition.
Summary of the invention
In order to solve problems in the prior art, the present invention provides a kind of welder of fluid channel transparent plastic and sides
Method realizes the transparent plastic laser welding process of automation on the basis of not using additive.
To achieve the goals above, the present invention has following constitute:
It is described the present invention provides a kind of welder of fluid channel transparent plastic, including workbench and laser emitter
The upper surface of workbench is provided with profiling chamber, and the two sides of the workbench are respectively arranged with fixture, the upper end of the fixture and one
Transparent glass medium is connected, and the transparent glass medium is located at the top of the profiling chamber, and the laser emitter is located at institute
State the top of transparent glass medium, and the exit facet of the laser emitter is towards the transparent glass medium, to be welded
One fluid channel transparent plastic and the overlapping of the second fluid channel transparent plastic are placed in the profiling chamber, and the fixture will be described transparent
Glass medium and the first fluid channel transparent plastic and the second fluid channel transparent plastic clamp, and first fluid channel is saturating
Bright plastics and the second fluid channel transparent plastic are respectively thermoplastic transparent plastic's product.
Optionally, the transparent glass medium is transparent sapphire glass.
Optionally, the thermal conductivity of the sapphire glass is 36W/m. DEG C.
Optionally, the laser emitter is set on a mechanical arm, and the laser emitter can be along the mechanical arm
Extending direction carry out vertical up-or-down movement.
Optionally, the mechanical arm is additionally coupled to a horicontal motion mechanism, and the laser emitter passes through the horizontal fortune
Motivation structure carries out horizontal movement, and the laser emitter is transparent to the first fluid channel transparent plastic and second fluid channel
When plastics are welded, the laser emitter is along the first fluid channel transparent plastic and the second fluid channel transparent plastic
The track of fluid channel welded.
Optionally, the first fluid channel transparent plastic and the second fluid channel transparent plastic are in the saturating of 1710nm wavelength
Light rate is 80%-93%；
The wave-length coverage of the shoot laser of the laser emitter is 900-2000nm.
Optionally, the shoot laser focal position of the laser emitter is in the first fluid channel transparent plastic and described
Between the binding face of second fluid channel transparent plastic.
Optionally, the diameter of the laser facula of the shoot laser of the laser emitter is 0.1mm-0.5mm.
The embodiment of the present invention also provides a kind of welding method of fluid channel transparent plastic, using the transparent modeling of fluid channel
The welder of material, described method includes following steps:
First fluid channel transparent plastic and the second fluid channel transparent plastic are placed in the profiling chamber；
Start the fixture, reduce the height of the transparent glass medium, so that the transparent glass medium and described the
One fluid channel transparent plastic and the second fluid channel transparent plastic fix to clamp；
Start the laser, to the miniflow of the first fluid channel transparent plastic and the second fluid channel transparent plastic
Road carries out projection welding.
Optionally, it for 1710nm, power 20w, speed of welding is 300mm/min's that the laser emitter, which uses wavelength,
Laser welds the first fluid channel transparent plastic and the second fluid channel transparent plastic.
The welder and method of fluid channel transparent plastic provided by the present invention, have the following beneficial effects:
The present invention provides a kind of welding method of fluid channel transparent plastic and easy welder, do not need to apply extinction
Welding can be achieved in agent, reduces the consumptive material for applying optical absorbing agent, reduces cost of labor, prevents workpiece burning, improves yields, moreover it is possible to
It realizes continuous schedule laser welding, improves the utilization rate of laser, improve productivity, improve the safety of plastics laser welding
Property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the welder of the fluid channel transparent plastic of one embodiment of the invention；
Fig. 2 is the Principle Method of the Vitreous solder of the welder of fluid channel transparent plastic of the invention；
Fig. 3 is that the fluid channel transparent plastic of the welder of fluid channel transparent plastic of the invention welds cross-sectional view；
Fig. 4 is the schematic diagram of transparent plastic sheet to be welded in the absorbability of different-waveband.
Appended drawing reference:
1, the first fluid channel transparent plastic 2, the second fluid channel transparent plastic 3, sapphire glass 4, fluid channel profiling chamber
5, cylinder clamp 6, laser 7, product binding face 8, position while welding 9, mechanical arm 10, laser emitter 11, workbench
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Referring to Fig.1, the invention proposes a kind of welders of fluid channel transparent plastic, including workbench 10 and laser hair
Emitter 10, the upper surface of the workbench 10 are provided with profiling chamber 4, and the two sides of the workbench 10 are respectively arranged with fixture 5, institute
The upper end for stating fixture 5 is connected with a transparent glass medium, and the transparent glass medium is located at the top of the profiling chamber 4, institute
State the top that laser emitter 10 is located at the transparent glass medium, and the exit facet of the laser emitter 10 is towards described
Bright glass medium, the first fluid channel transparent plastic 1 to be welded and the overlapping of the second fluid channel transparent plastic 2 are placed in the profiling
In chamber 4, the fixture 5 is saturating by the transparent glass medium and the first fluid channel transparent plastic 1 and second fluid channel
Bright plastics 2 clamp, and the first fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2 are respectively thermoplastic transparent
Plastic product.First fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2 are respectively as under fluid channel upper cover and fluid channel
Lid.
The embodiment of the present invention also provides a kind of welding method of fluid channel transparent plastic, using the transparent modeling of fluid channel
The welder of material, described method includes following steps:
First fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2 are placed in the profiling chamber 4；
Start the fixture 5, reduce the height of the transparent glass medium, so that the transparent glass medium and described the
One fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2 fix to clamp；
Start the laser, to the micro- of the first fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2
Runner carries out projection welding.
Therefore, the welder of fluid channel transparent plastic provided by the invention and method, which do not need painting optical absorbing agent, can realize weldering
It connects, reduces the consumptive material for applying optical absorbing agent, improve welding efficiency, it can be achieved that automation, yields is high after welding.
It is as shown in Figure 1 the fluid channel welder of the embodiment, by the first fluid channel transparent plastic 1 and the second fluid channel
Transparent plastic 2 is stacked to the inside of profiling chamber 4, by external 5 pneumatic pinch of fixture, makes its transparent glass medium 3 and first micro-
Runner transparent plastic 1 and the second fluid channel transparent plastic 2 closely compress, laser emitter 10 by the drive of mechanical arm, along
The profile traces of fluid channel implement laser transmission welding, and it is transparent that the shoot laser 6 of laser emitter 10 is transmitted to the first fluid channel
Above the binding face 7 of plastics 1 and the second fluid channel transparent plastic 2, the second fluid channel transparent plastic 2 generates molten by heat
State forms mutually molten, formation weld seam 8 after cooling, such as Fig. 3 institute with the first saturating fluid channel transparent plastic 1 under the effect of external clamping force
Show.
In this embodiment, the transparent glass medium is as transparent medium pressing plate, can be with as a kind of hot releasable material
It is selected as transparent sapphire glass 3.Preferably, the thermal conductivity of the sapphire glass 3 is 36W/m. DEG C.
In this embodiment, the laser emitter 10 is set on a mechanical arm 9, and the laser emitter 10 can edge
The extending direction of the mechanical arm 9 carries out vertical up-or-down movement.Movement of the laser emitter 10 on mechanical arm 9 can be by hanging down
Histogram is realized to the driving effect of movement driving motor.
In this embodiment, the mechanical arm 9 is additionally coupled to a horicontal motion mechanism, and the laser emitter 10 passes through institute
It states horicontal motion mechanism and carries out horizontal movement, the laser emitter is to the first fluid channel transparent plastic and described second micro-
When runner transparent plastic is welded, the laser emitter is along the first fluid channel transparent plastic and second fluid channel
It is welded the track of the fluid channel of transparent plastic.Horicontal motion mechanism may include horizontally extending sliding rail, mechanical
Arm 9 is slidably fixed in sliding rail, and the horizontal movement of mechanical arm 9 can be made by the driving of horizontal motion driving motor
With realization.
In this embodiment, the wave-length coverage of the shoot laser of the laser emitter 10 is 900-2000nm.
As shown in figure 4, it is good greater than 1500nm range assimilation effect in wavelength in transparent plastics, especially exist
1710nm wavelength absorption efficiency is best.The laser that transparent plastic absorbs 1710nm wavelength can achieve molten condition.Specifically,
The first fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2 are 80%- in the light transmittance of 1710nm wavelength
93%.It is further preferred that the laser emitter 10 uses wavelength for 1710nm, power 20w, speed of welding 300mm/
The laser of min welds the first fluid channel transparent plastic 1 and the second fluid channel transparent plastic 2.
In this embodiment, the shoot laser focal position of the laser emitter 10 is in the transparent modeling of the first fluid channel
Between material 1 and the binding face 7 of the second fluid channel transparent plastic 2.
In this embodiment, the diameter of the laser facula of the shoot laser of the laser emitter 10 is 0.1mm-0.5mm.
Fundamentals of Welding of the invention are introduced below with reference to Fig. 2.The welding of transparent plastic needs to meet the three of Fundamentals of Welding and wants
Element, upper layer light transmission, lower layer's extinction, external clamping force.And in the method for Vitreous solder of the present invention, the transparent modeling of the first fluid channel
Material 1 and the second fluid channel transparent plastic 2 are all the characteristics with light transmission, and light transmittance is higher, in the first fluid channel transparent plastic 1
There are transparent glass medium 3, such as sapphire glass in top, and the characteristic of this transparent glass medium 3 has certain thermal conductivity, leads
Heating rate is, for example, 36W/m. DEG C.Because this laser can be absorbed in the first fluid channel transparent plastic 1, surface is caused to damage, it can
The thermal energy being attached to above Transparent Parts to be transmitted to above transparent glass medium 3, such first fluid channel transparent plastic 1 is just not
It can there is a situation where surface damages.And to be concentrated mainly on the first fluid channel transparent plastic 1 and second micro- for the focus position of energy
At the binding face position 7 of runner transparent plastic 2, so the energy of position is maximum herein, the second fluid channel transparent plastic 2 absorb compared with
More energy forms molten condition, under the clamping force effect of outer clamp 5, is formed with the first fluid channel transparent plastic 1 and is mutually melted,
Weld seam 8 is formed after cooling.
In conclusion the welder and method of fluid channel transparent plastic provided by the present invention, have following beneficial to effect
Fruit:
The present invention provides a kind of welding method of fluid channel transparent plastic and easy welder, do not need to apply extinction
Welding can be achieved in agent, reduces the consumptive material for applying optical absorbing agent, reduces cost of labor, prevents workpiece burning, improves yields, moreover it is possible to
It realizes continuous schedule laser welding, improves the utilization rate of laser, improve productivity, improve the safety of plastics laser welding
Property.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (10)
1. a kind of welder of fluid channel transparent plastic, which is characterized in that including workbench and laser emitter, the work
The upper surface of platform is provided with profiling chamber, and the two sides of the workbench are respectively arranged with fixture, the upper end of the fixture and one transparent
Glass medium is connected, and the transparent glass medium is located at the top of the profiling chamber, and the laser emitter is located at described
The top of bright glass medium, and the exit facet of the laser emitter is micro- towards the transparent glass medium, to be welded first
Runner transparent plastic and the overlapping of the second fluid channel transparent plastic are placed in the profiling chamber, and the fixture is by the transparent glass
Medium and the first fluid channel transparent plastic and the second fluid channel transparent plastic clamp, the transparent modeling of the first fluid channel
Material and the second fluid channel transparent plastic are respectively thermoplastic transparent plastic's product.
2. the welder of fluid channel transparent plastic according to claim 1, which is characterized in that the transparent glass medium
For transparent sapphire glass.
3. the welder of fluid channel transparent plastic according to claim 2, which is characterized in that the sapphire glass
Thermal conductivity is 36W/m. DEG C.
4. the welder of fluid channel transparent plastic according to claim 1, which is characterized in that the laser emitter is set
It is placed on a mechanical arm, and the laser emitter can carry out vertical up-or-down movement along the extending direction of the mechanical arm.
5. the welder of fluid channel transparent plastic according to claim 4, which is characterized in that the mechanical arm is also connected with
To a horicontal motion mechanism, the laser emitter carries out horizontal movement, the Laser emission by the horicontal motion mechanism
When device welds the first fluid channel transparent plastic and the second fluid channel transparent plastic, the laser emitter edge
It is welded the track of the fluid channel of the first fluid channel transparent plastic and the second fluid channel transparent plastic.
6. the welder of fluid channel transparent plastic according to claim 1, which is characterized in that first fluid channel is saturating
Bright plastics and the second fluid channel transparent plastic are 80%-93% in the light transmittance of 1710nm wavelength；
The wave-length coverage of the shoot laser of the laser emitter is 900-2000nm.
7. the welder of fluid channel transparent plastic according to claim 1, which is characterized in that the laser emitter
Shoot laser focal position is between the first fluid channel transparent plastic and the binding face of the second fluid channel transparent plastic.
8. the welder of fluid channel transparent plastic according to claim 7, which is characterized in that the laser emitter
The diameter of the laser facula of shoot laser is 0.1mm-0.5mm.
9. a kind of welding method of fluid channel transparent plastic, which is characterized in that using described in any item of the claim 1 to 8
The welder of fluid channel transparent plastic, described method includes following steps:
First fluid channel transparent plastic and the second fluid channel transparent plastic are placed in the profiling chamber；
Start the fixture, reduce the height of the transparent glass medium, so that the transparent glass medium and described first micro-
Runner transparent plastic and the second fluid channel transparent plastic fix to clamp；
Start the laser, to the fluid channel of the first fluid channel transparent plastic and the second fluid channel transparent plastic into
Row projection welding.
10. the welding method of fluid channel transparent plastic according to claim 9, which is characterized in that the laser emitter
Use wavelength for 1710nm, power 20w, speed of welding be 300mm/min laser to the first fluid channel transparent plastic
It is welded with the second fluid channel transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272443.9A CN110077000A (en) | 2019-04-04 | 2019-04-04 | A kind of welder and method of fluid channel transparent plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272443.9A CN110077000A (en) | 2019-04-04 | 2019-04-04 | A kind of welder and method of fluid channel transparent plastic |
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| Publication Number | Publication Date |
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| CN110077000A true CN110077000A (en) | 2019-08-02 |
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ID=67414285
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910272443.9A Pending CN110077000A (en) | 2019-04-04 | 2019-04-04 | A kind of welder and method of fluid channel transparent plastic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230069855A1 (en) * | 2021-09-03 | 2023-03-09 | Neuralink Corp | Glass welding through non-flat surface |
| US11819942B2 (en) | 2020-12-10 | 2023-11-21 | Magna International Inc. | Method and apparatus for applying an active joining force during laser welding of overlapping workpieces |
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|---|---|---|---|---|
| WO2000066346A1 (en) * | 1999-04-30 | 2000-11-09 | Powerlasers Limited | Welding of carpet to panels |
| CN108515703A (en) * | 2018-03-30 | 2018-09-11 | 大族激光科技产业集团股份有限公司 | Transparent plastic welding method |
| CN109353012A (en) * | 2018-10-30 | 2019-02-19 | 大族激光科技产业集团股份有限公司 | The method and plastic products of plastic welding laser |
| CN109383033A (en) * | 2017-08-07 | 2019-02-26 | 大族激光科技产业集团股份有限公司 | A kind of laser welding packaging method and apparatus of OLED screen |
-
2019
- 2019-04-04 CN CN201910272443.9A patent/CN110077000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000066346A1 (en) * | 1999-04-30 | 2000-11-09 | Powerlasers Limited | Welding of carpet to panels |
| CN109383033A (en) * | 2017-08-07 | 2019-02-26 | 大族激光科技产业集团股份有限公司 | A kind of laser welding packaging method and apparatus of OLED screen |
| CN108515703A (en) * | 2018-03-30 | 2018-09-11 | 大族激光科技产业集团股份有限公司 | Transparent plastic welding method |
| CN109353012A (en) * | 2018-10-30 | 2019-02-19 | 大族激光科技产业集团股份有限公司 | The method and plastic products of plastic welding laser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11819942B2 (en) | 2020-12-10 | 2023-11-21 | Magna International Inc. | Method and apparatus for applying an active joining force during laser welding of overlapping workpieces |
| US20230069855A1 (en) * | 2021-09-03 | 2023-03-09 | Neuralink Corp | Glass welding through non-flat surface |
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Application publication date: 20190802 |