CN103213276A - Laser beam welding method of LED bulb lamp - Google Patents
Laser beam welding method of LED bulb lamp Download PDFInfo
- Publication number
- CN103213276A CN103213276A CN2013100746845A CN201310074684A CN103213276A CN 103213276 A CN103213276 A CN 103213276A CN 2013100746845 A CN2013100746845 A CN 2013100746845A CN 201310074684 A CN201310074684 A CN 201310074684A CN 103213276 A CN103213276 A CN 103213276A
- Authority
- CN
- China
- Prior art keywords
- led bulb
- bulb lamp
- pilum
- wick
- laser welding
- 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.)
- Granted
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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
- 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
-
- 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
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
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- 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
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/747—Lightning equipment
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser beam welding method of a LED bulb lamp, thereby solving the problems of lower intensity of weld and bad air-tightness caused by the present LED energy saving lamp welding method. The laser beam welding method of the LED bulb lamp, wherein, the LED bulb lamp comprises a bubble casing and a wick pilum, comprises the following steps: the bubble casing and the wick pilum at the position to be welded are clamped under a certain pressure; laser passes through the bubble casing with good light transmittance and then is absorbed by the wick pilum; the absorbed laser energy converts luminous energy into heat energy for fusing a contact-making surface between the bubble casing and the wick pilum, thereby forming a weld zone. According to the method of the present invention, the 100% airtight welding of the LED bulb lamp bulb casing and the wick pilum can be achieved, thereby guarantying the absolute airtight of the LED bulb lamp; and the intensity of the weld position is higher than the intensity of the polycarbonate material body.
Description
Technical field
The present invention relates to LED electricity-saving lamp technical field, the method for laser welding of particularly a kind of cell-shell of LED bulb lamp and wick pilum.
Background technology
Because LED electricity-saving lamp development of technologies in the production and R﹠D process of energy-saving lamp shade, need be put into parts such as bigger fluorescent tube of volume and electrical equipment in the lampshade the inside, welds encapsulation then.In the existing LED lamp manufacturing, welding job is to adopt fuel such as burning oxygen, coal gas to realize in the mode that fire welds always.The mode of fire weldering is big owing to heating surface area, temperature is high, temperature is difficult to realize reasons such as accurately control, and defective such as easily cause the LED electricity-saving lamp weld strength of welding lower, air-tightness is bad, electrical equipment easily is damaged makes the yields of welding lower.In addition, more and more urgent in environmental protection requirement, under the situation of petering out of non-renewable energy resources, how the process of this environmental protection of laser weld is applied to the welding of LED electricity-saving lamp similar products, be exactly the technical problem that industry has to solve.
Summary of the invention
The invention provides a kind of method for laser welding of LED bulb lamp, the weld strength that the existing LED electricity-saving lamp welding method of solution easily causes is than the end, the bad problem of air-tightness.
Technical scheme of the present invention is achieved in that a kind of method for laser welding of LED bulb lamp, and described LED bulb lamp comprises cell-shell and wick pilum, may further comprise the steps:
1) the cell-shell cover is installed on the wick pilum, position to be welded requires interference fit, is placed on the positioner then;
2) adopt laser beam to shine position to be welded, make the wick pilum and the cell-shell fusing of position to be welded contact-making surface, thereby be fused to together two-layer.
Wherein, preferably, described cell-shell and wick pilum are that the close thermoplastic of fusing point is made.
Wherein, preferably, described cell-shell is that Merlon is made.
Wherein, preferably, the light transmittance of described cell-shell is not less than 60%.
Wherein, preferably, described wick pilum is that Merlon is made.
Wherein, preferably, described wick pilum content of carbon black does not hang down 0.3%.
Wherein, preferably, in step 2, laser beam shines from the side waits upon the welding position, and position to be welded is along with positioner rotates.
Wherein, preferably, described positioner is with the 1-50M/ linear velocity rotation of second.
Wherein, preferably, in step 2, adopt laser radiation shape camera lens to weld.
Wherein, preferably, in step 2, also comprise the step of handling with the synchronous blowing of welding process cooling.
The present invention adopts the mode of laser weld to replace the mode of available technology adopting fire weldering to weld the LED electricity-saving lamp, its basic principle is: the cell-shell and the wick pilum at position to be welded are clamped together under certain pressure, laser passes the good cell-shell of light transmission, absorbed by the wick pilum then, the laser energy that absorbs is converted into heat energy with luminous energy, make the contact-making surface fusing of cell-shell and wick pilum, form a weld zone.
Adopt method of the present invention to make LED bulb lamp cell-shell and wick pilum accomplish very air-tightness welding, guarantee the absolutely gas-tight of LED bulb lamp; And the intensity at weld seam position is greater than the body intensity of makrolon material.Adopt not only energy-conserving and environment-protective more of method welding LED bulb lamp of the present invention, improve working environment, but also reduced production cost, improved yields.
The specific embodiment
Below the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment 1
Present embodiment provides a kind of method for laser welding of LED bulb lamp, and described LED bulb lamp comprises cell-shell and wick pilum, may further comprise the steps:
1) the cell-shell cover is installed on the wick pilum, position to be welded requires interference fit, is placed on the positioner then;
2) adopt laser beam to shine position to be welded, make the wick pilum and the cell-shell fusing of position to be welded contact-making surface, thereby be fused to together two-layer.Wick pilum bottom absorbs laser beam, and luminous energy is converted into heat energy, thereby and the cell-shell that heat is delivered to position to be welded is made it fusing is fused to together two-layer.
In the method, can adopt common generating laser to shine, laser beam shines the welding position from the side, and welding work pieces rotates to reach the even welding of welding position.Also can adopt radial camera lens to weld, this radial camera lens produces the annular laser bundle, and radial camera lens faces workpiece to be welded, and workpiece to be welded need not rotate, and can accomplish the even welding of welding position.
In the step 1 of present embodiment, positioner is with the 40M/ linear velocity rotation of second.According to the material and the thickness of cell-shell that will weld the LED bulb lamp and wick pilum, select different rotary speeies, the linear velocity of rotary speed is generally the 1-50M/ linear velocity rotation of second.
Wherein, described cell-shell and wick pilum are makrolon material; Among the present invention, the material of cell-shell and wick pilum is not limited thereto, as long as cell-shell and wick pilum are that the close thermoplastic of fusing point all can adopt this method to weld.
Wherein, the light transmittance of cell-shell is not less than 60%.The skin of welding position is transparent or the good material of light transmission, to guarantee that laser well passes skin and is radiated at the position that will weld.Laser beam is absorbed by subsurface material then by the upper strata transparent material, and laser energy is absorbed and makes the subsurface material temperature raise, fusing upper strata and and the plastics of lower floor.Upper layer of material can be transparent or coloured, but must be able to guarantee that enough laser passes through.
Wherein, described wick pilum content of carbon black does not hang down 0.3%.The color that promptly guarantees the wick pilum is black or grey, can absorb laser beam, produces heat.
Wherein, in step 2, also comprise the step of handling with the synchronous blowing of welding process cooling.In process processings of bringing down a fever synchronously of welding, avoided the welding position to produce local deformation, cause the problem of welding quality reduction because of hot-spot.
In welding method of the present invention, before welding, also can increase the process that the laser beam that adopts lower-wattage carries out preheating, the welding position temperature is steadily raise, the problem of further having avoided the welding position to produce local deformation, cause welding quality to reduce because of hot-spot.
The laser soldering device welding LED bulb lamp that adopts present embodiment to provide makes LED ball cell-shell and the seal that matches is accomplished very air-tightness welding, guarantees the absolutely gas-tight of LED bulb lamp.It is absolute reliable that sealing is accomplished, and the intensity at weld seam position is greater than the body intensity of makrolon material.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for laser welding of a LED bulb lamp, described LED bulb lamp comprises cell-shell and wick pilum, it is characterized in that, may further comprise the steps:
1) the cell-shell cover is installed on the wick pilum, position to be welded requires interference fit, is placed on the positioner then;
2) adopt laser beam to shine position to be welded, make the wick pilum and the cell-shell fusing of position to be welded contact-making surface, thereby be fused to together two-layer.
2. the method for laser welding of LED bulb lamp according to claim 1 is characterized in that: described cell-shell and wick pilum are that the close thermoplastic of fusing point is made.
3. the method for laser welding of LED bulb lamp according to claim 2 is characterized in that: described cell-shell is that Merlon is made.
4. the method for laser welding of LED bulb lamp according to claim 3 is characterized in that: the light transmittance of described cell-shell is not less than 60%.
5. the method for laser welding of LED bulb lamp according to claim 2 is characterized in that: described wick pilum is that Merlon is made.
6. the method for laser welding of LED bulb lamp according to claim 5 is characterized in that: described wick pilum content of carbon black does not hang down 0.3%.
7. according to the method for laser welding of each described LED bulb lamp of claim 1～6, it is characterized in that: in step 2, laser beam shines position to be welded from the side, and position to be welded is along with positioner rotates.
8. the method for laser welding of LED bulb lamp according to claim 7 is characterized in that: described positioner is with the 1-50M/ linear velocity rotation of second.
9. according to the method for laser welding of each described LED bulb lamp of claim 1～6, it is characterized in that: in step 2, adopt laser radiation shape camera lens to weld.
10. according to the method for laser welding of each described LED bulb lamp of claim 1～6, it is characterized in that: in step 2, also comprise the step of handling with the synchronous blowing of welding process cooling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074684.5A CN103213276B (en) | 2013-03-08 | 2013-03-08 | The method for laser welding of LEDbulb lamp |
| PCT/CN2014/073022 WO2014135110A1 (en) | 2013-03-08 | 2014-03-07 | Method of laser welding led bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074684.5A CN103213276B (en) | 2013-03-08 | 2013-03-08 | The method for laser welding of LEDbulb lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103213276A true CN103213276A (en) | 2013-07-24 |
| CN103213276B CN103213276B (en) | 2016-02-24 |
Family
ID=48811591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310074684.5A Expired - Fee Related CN103213276B (en) | 2013-03-08 | 2013-03-08 | The method for laser welding of LEDbulb lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103213276B (en) |
| WO (1) | WO2014135110A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014135110A1 (en) * | 2013-03-08 | 2014-09-12 | 北京优格莱照明科技有限公司 | Method of laser welding led bulb |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695842B (en) * | 2019-01-07 | 2024-06-11 | 佛山电器照明股份有限公司 | LED lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1951675A (en) * | 2005-10-19 | 2007-04-25 | 丰田自动车株式会社 | Method and apparatus for laser welding thermoplastic resin members |
| CN102470606A (en) * | 2009-07-22 | 2012-05-23 | 欧司朗股份有限公司 | Method for the production of a lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006114262A (en) * | 2004-10-13 | 2006-04-27 | Koito Mfg Co Ltd | Vehicular lighting fixture |
| CN201487648U (en) * | 2009-08-06 | 2010-05-26 | 郑麟秀 | LED ball lamp |
| CN103213276B (en) * | 2013-03-08 | 2016-02-24 | 北京优格莱照明科技有限公司 | The method for laser welding of LEDbulb lamp |
-
2013
- 2013-03-08 CN CN201310074684.5A patent/CN103213276B/en not_active Expired - Fee Related
-
2014
- 2014-03-07 WO PCT/CN2014/073022 patent/WO2014135110A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1951675A (en) * | 2005-10-19 | 2007-04-25 | 丰田自动车株式会社 | Method and apparatus for laser welding thermoplastic resin members |
| CN102470606A (en) * | 2009-07-22 | 2012-05-23 | 欧司朗股份有限公司 | Method for the production of a lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014135110A1 (en) * | 2013-03-08 | 2014-09-12 | 北京优格莱照明科技有限公司 | Method of laser welding led bulb |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014135110A1 (en) | 2014-09-12 |
| CN103213276B (en) | 2016-02-24 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160224 Termination date: 20170308 |