CN106239044B - A kind of copper strips production technology for LED support - Google Patents
A kind of copper strips production technology for LED support Download PDFInfo
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- CN106239044B CN106239044B CN201610634673.1A CN201610634673A CN106239044B CN 106239044 B CN106239044 B CN 106239044B CN 201610634673 A CN201610634673 A CN 201610634673A CN 106239044 B CN106239044 B CN 106239044B
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- copper
- copper strips
- band
- rolling
- led support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The present invention relates to a kind of copper strips production technologies for LED support, comprising the following steps: (1) A grades of tough cathode continuously castings in smelting apparatus above draw copper bar；(2) copper bar is continuously extruded；(3) multi- pass rolling is carried out using cold mill complex according to the thickness of LED support copper strips；(4) bright annealing is carried out after rolling, then copper strip surface is ground, is polished；(5) copper strips after rolling is cut using cutting unit.The technological process of production of the present invention is short, efficient, energy saving；The processes such as ingot casting processing, milling face, cutting edge are saved compared with traditional processing technology.
Description
Technical field
The present invention relates to a kind of copper strips production technologies for LED support.
Background technique
With social progress, the development in market, energy conservation is more and more important.LED light is excellent because energy-saving and environmental protection and long-life
Point is applied to the fields such as computer, TV, mobile phone, auto lamp more and more widely, and with the promotion of low-carbon economy, LED light will
Replace incandescent lamp and fluorescent lamp and enters general lighting field.LED light must have when in use antidetonation stamping resistance, luminous effect,
The effects of the features such as power and energy saving and service life length, high reliablity, wherein LED support mainly plays connection circuit, reflection, welding, LED
Bracket needs to have good hardness, tensile strength, electric conductivity, heating conduction and spectroscopic behaviour etc. with copper strips.
The Special use field of LED support copper strips, to its dimensional accuracy, mechanical property, chemical component, surface quality etc.
There is higher requirement.Traditional production method the deficiencies of there are period length, low efficiency, unstable performance.It is therefore proposed that this hair
It is bright.
Summary of the invention
For the above-mentioned technical problem of the prior art, the present invention provides a kind of copper strips production technology for LED support,
Copper content is 99.97%-99.99% in the chemical component of its copper strips obtained, and the Vickers of oxygen content 6ppm-9ppm, copper strips are hard
Degree HV is 106-112, and tensile strength 300-340MPa, elongation percentage 5-7%, surface roughness Ra is less than 0.05 mm；Side
Portion's burr is less than 0.02mm, and conductivity is greater than 100.5%IACS.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of copper strips production technology for LED support, comprising the following steps:
(1) using A grades of tough cathodes as raw material, A grades of tough cathode continuously castings in smelting apparatus are covered with wood in smelting apparatus
Charcoal and graphite phosphorus sheet carry out cooling to draw copper bar on obtained after the completion of casting with cooling circulating water；
(2) draw on will be obtained copper bar carried out in continuous extruder it is continuously extruded；
(3) multi- pass rolling is carried out using cold mill complex according to the thickness of LED support copper strips；
(4) bright annealing is carried out after rolling, then copper strip surface is ground, is polished；
(5) copper strips after rolling is cut using cutting unit, obtains the copper strips for being used for LED support.
The bar speed of drawing of traction link seat in the step (1) is 450-500mm/min；Cooling cycle water pressure is
0.16-0.18MPa,
The pitch of smelting apparatus in the step (1) is 45mm, and smelting temperature is 1156-1160 DEG C.
The granularity of charcoal is 30mm-34mm, cladding thickness 95mm-100mm in the step (1)；The graphite phosphorus sheet
Cladding thickness 21mm-27mm.
Drawing copper shank diameter in the step (1) is 25mm, and diameter tolerance is ± 0.08mm.
Continuous extruder revolving speed in the step (2) is 5-5.5r/min, it is described on draw copper bar in continuous extruder
Carry out continuous extrusion copper strip billet manufacture, the copper strip billet with a thickness of 13-15mm.
The forward pull of rolling copper strips is 12-15KN in the step (3), and the backward pull for rolling copper strips is 16-18KN, described
The mill speed of cold mill complex is 60-80m/min.
The forward pull of rolling copper strips in the step (3) before annealing is 12KN, and rolling backward pull is 16KN, mill speed
For 60m/min.
The temperature of bright annealing in the step (4) is 320 DEG C, and soaking time is 10 hours, and cooling time is 15 small
When, temperature after cooling is less than 50 DEG C.
Drafts in the step (5) when cutting is the 51%-55% of copper strips thickness, and the gap of slitting blade is that copper strips is thick
The 11%-15% of degree.
Copper strips production technology of the present invention for LED support has the following beneficial effects:
1, copper content is 99.97%-99.99%, oxygen content 6ppm- in the chemical component of copper strips produced by the present invention
9ppm；The vickers hardness hv of copper strips is 106-112, tensile strength 300-340MPa, elongation percentage 5-7%, surface roughness
Ra is less than 0.05 mm；Edge burr is less than 0.02mm, and conductivity is greater than 100.5%IACS.
2, the technological process of production of the present invention is short, efficient, energy saving；Ingot casting processing, milling are saved compared with traditional processing technology
The processes such as face, cutting edge, can be 500KWh/ tons with energy saving.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below, but protection scope of the present invention is not limited to
This.
Embodiment 1
The present embodiment 1 is used for the copper strips production technology of LED support, includes the following steps:
(1) using A grades of tough cathodes as raw material, A grades of tough cathode continuously castings in smelting apparatus are covered with wood in smelting apparatus
Charcoal and graphite phosphorus sheet carry out cooling to draw copper bar on obtained after the completion of casting with cooling circulating water；
The bar speed of drawing of traction link seat is 450-500mm/min in the step (1)；Cooling cycle water pressure is 0.16-
0.18MPa, pitch 45mm；Smelting temperature is 1156-1160 DEG C.
The granularity of used charcoal is 30mm-34mm, and the covering of cladding thickness 95mm-100mm, graphite phosphorus sheet are thick
Degree is 21mm-27mm.
The diameter for drawing copper bar on being made in the step (1) is 25mm, diameter tolerance ± 0.08mm.
(2) draw on will be obtained copper bar carried out in continuous extruder it is continuously extruded.Continuous extruder revolving speed is 5-5.5r/
min.On draw the manufacture that copper bar carries out continuous extrusion copper strip billet in continuous extruder, copper strip billet obtained is with a thickness of 13-15mm.
(3) multi- pass rolling is carried out using cold mill complex according to the thickness of LED support copper strips.Roll the forward pull of copper strips
For 12-15KN, the backward pull for rolling copper strips is 16-18KN, and the mill speed of cold mill complex is 60-80m/min.Such as: before annealing
Rolling copper strips forward pull be 12KN, rolling backward pull be 16KN, mill speed 60m/min.
(4) bright annealing is carried out after rolling, then copper strip surface is ground, is polished.
The temperature of bright annealing is 320 DEG C, and soaking time is 10 hours, and cooling time is 15 hours, temperature after cooling
Less than 50 DEG C.
When copper strip surface is ground, polished, band is introduced into pre- spraying box, carries out pre- ungrease treatment, subsequently into de-
Rouge case carries out degreasing scrub, and degreasant solution pH is 14, and the band after degreasing carries out cold water flushing, after flushing after squeeze roller
Band after squeeze roller, into descaling bath, carry out the pickling of strip surface.The concentration of pickling solution is the sulfuric acid of 10-15%,
Band after pickling carries out cold water flushing, the band after flushing is after squeeze roller is extracted, into throwing after biserial squeeze roller is extracted
Light scrubbing box, polish brush are the needle brush of the oxidation aluminium material of 600 mesh, are ground after polishing to the front and back sides of band, grinding packet
Include the abrasive brush of the 3M nonwoven fabric material of two pair of 2500 mesh；Band after grinding rushes after single-row squeeze roller is extracted into hot water
It washes, hot water is configured with dedicated hot water liquid reserve tank to be recycled.It is blunt that band after hot water injection enters hot water after extracting
Change case, phenylpropyl triazole aqueous solution Passivation Treatment of the band through 62-69 DEG C, 0.30%-0.35%；Squeeze roller through biserial 3M material
Afterwards, enter drying box through air knife purging to dry, the band after drying cools down through cold wind unit, adjusts strap tension into S roller.?
Power is 0.5-2KN.
(5) copper strips after rolling is cut using cutting unit, to obtain LED support copper strips.When cutting
Drafts is the 51%-55% of copper strips thickness, and the gap of slitting blade is the 11%-15% of copper strips thickness.
Embodiment 2
Cathode copper raw material is directly connected in continuous extruder without copper bar is drawn on traction link seat in the present embodiment 2
Continuous to squeeze, other processing steps and technological parameter are same as Example 1.
Embodiment 3
In the present embodiment 3 then cathode copper raw material carries out continuous by drawing copper bar on traction link seat in continuous extruder
It squeezes, bright annealing is not carried out directly by rolling, other processing steps and technological parameter are same as Example 1.
Embodiment 4
The processing step of the present embodiment 4 is identical with embodiment 1, but the technological parameter of each step is not in embodiment
In the range of 1.
Comparative example 1
The copper strips of LED support is used for using traditional production method production.
Performance test and analysis
Copper content is 99.99% in the chemical component of copper strips made from embodiment 1, and the Vickers of oxygen content 6ppm, copper strips are hard
Degree HV is 106-112, and tensile strength 300-340MPa, elongation percentage 5-7%, surface roughness Ra is less than 0.05 mm；Edge
Burr is less than 0.02mm, and conductivity is greater than 100.5%IACS.
The technological process of production of embodiment 1 is short, efficient, energy saving；Ingot casting processing is saved compared with comparative example 1, milling face, is cut
The processes such as side, 500KWh/ tons of energy saving.
Copper content is 99.97% in the chemical component of copper strips made from embodiment 2, and the Vickers of oxygen content 9ppm, copper strips are hard
HV is spent less than 106, and tensile strength is less than 300MPa.
For the vickers hardness hv of copper strips made from embodiment 3 less than 106, surface roughness Ra is greater than 0.05 mm, edge burr
Greater than 0.02mm.
The properties such as copper content, oxygen content in the chemical component of copper strips made from embodiment 4 are not in critical field
It is interior.
Production technology period length, the low efficiency of comparative example 1, and the properties of copper strips are undesirable.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than the restriction to rights protection of the present invention,
It is all to be made a non-material change to the present invention using this design, protection scope of the present invention should all be fallen into.
Claims (1)
1. a kind of copper strips production technology for LED support, it is characterised in that the following steps are included: (1) is with A grades of tough cathodes
Raw material, A grades of tough cathode continuously castings in smelting apparatus are covered with charcoal and graphite phosphorus sheet in smelting apparatus, after the completion of casting
Carry out cooling with cooling circulating water to draw copper bar on obtained；Cooling cycle water pressure is 0.16-0.18MPa, traction link seat
Drawing bar speed is 450-500mm/min, and the pitch of smelting apparatus is 45mm, and smelting temperature is 1156-1160 DEG C, the granularity of charcoal
For 30mm-34mm, cladding thickness 95mm-100mm, the cladding thickness 21mm-27mm of graphite phosphorus sheet, above drawing copper shank diameter is
25mm, diameter tolerance are ± 0 .08mm；
(2) draw on will be obtained copper bar carried out in continuous extruder it is continuously extruded, continuous extruder revolving speed be 5-5.5r/min,
On draw the manufacture that copper bar carries out continuous extrusion copper strip billet in continuous extruder, copper strip billet with a thickness of 13-15mm；
(3) multi- pass rolling is carried out using cold mill complex according to the thickness of LED support copper strips, the forward pull for rolling copper strips is
12-15KN, the backward pull for rolling copper strips is 16-18KN, and the mill speed of cold mill complex is 60-80m/min, the rolling before annealing
The forward pull of copper strips is 12KN, and rolling backward pull is 16KN, mill speed 60m/min；
(4) bright annealing is carried out after rolling, then copper strip surface is ground, is polished；The temperature of annealing is 320 DEG C, heat preservation
Time is 10 hours, and cooling time is 15 hours, and temperature after cooling is less than 50 DEG C；When copper strip surface is ground, is polished, band
Material is introduced into pre- spraying box, carries out pre- ungrease treatment, carries out degreasing scrub subsequently into degreasing case, and degreasant solution PH is 14, is taken off
Band after rouge carries out cold water flushing after squeeze roller, and the band after flushing, into descaling bath, carries out after squeeze roller
The pickling of strip surface；Pickling solution is the sulfuric acid that concentration is 10-15%, and the band after pickling carries out after biserial squeeze roller is extracted
Cold water rinses, and the band after flushing is after squeeze roller is extracted, and into polishing scrubbing box, polish brush is the oxidation aluminium material of 600 mesh
Needle brush, the front and back sides of band are ground after polishing, grinding include two pair of 2500 mesh 3M nonwoven fabric material abrasive brush,
Band after grinding is after single-row squeeze roller is extracted, and into hot water injection, hot water is configured with special hot water liquid reserve tank to recycle
It uses；Band after hot water injection enters hot water inactivating case, phenylpropyl alcohol of the band through 62-69 DEG C, 0.30-0.35% after extracting
Triazole aqueous solution Passivation Treatment enters drying box through air knife purging and dries, after drying after the squeeze roller of biserial 3M material
Band cools down through cold wind unit, adjusts strap tension, tension 0.5-2KN into S roller；
(5) copper strips is cut using cutting unit, drafts when cutting is the 51%-55% of copper strips thickness, slitting blade
Gap be copper strips thickness 11%-15%, obtain be used for LED support copper strips；
Copper strips made from the copper strips production technology of above-mentioned LED support, copper content is 99.97%-99.99%, oxygen in chemical component
Content is 6ppm-9ppm；The vickers hardness hv of copper strips be 106-112, tensile strength 300-340MPa, elongation percentage 5-7%,
Surface roughness Ra is greater than 100 .5%IACS less than 0 .02mm, conductivity less than 0 .05 mm, edge burr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634673.1A CN106239044B (en) | 2016-08-04 | 2016-08-04 | A kind of copper strips production technology for LED support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634673.1A CN106239044B (en) | 2016-08-04 | 2016-08-04 | A kind of copper strips production technology for LED support |
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| CN106239044A CN106239044A (en) | 2016-12-21 |
| CN106239044B true CN106239044B (en) | 2019-06-25 |
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| CN201610634673.1A Active CN106239044B (en) | 2016-08-04 | 2016-08-04 | A kind of copper strips production technology for LED support |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999560A (en) * | 2017-12-01 | 2018-05-08 | 浙江力博实业股份有限公司 | The preparation method of breaker copper strips |
| CN110385351B (en) * | 2019-07-17 | 2021-01-19 | 浙江力博实业股份有限公司 | Production method of special-shaped copper strip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708510A (en) * | 2009-12-03 | 2010-05-19 | 绍兴市力博电气有限公司 | Processing technology for processing high-purity high-conductivity oxygen-free copper bar |
| CN101719527A (en) * | 2009-12-03 | 2010-06-02 | 绍兴市力博电气有限公司 | Production technique of copper strips for solar modules |
| CN103008383A (en) * | 2012-12-17 | 2013-04-03 | 徐高磊 | Production technology for bimetal coating copper strip |
| CN104959396A (en) * | 2015-08-04 | 2015-10-07 | 绍兴市力博电气有限公司 | Production process of copper strip for composite contact material |
| CN105020565A (en) * | 2015-07-30 | 2015-11-04 | 绍兴市力博电气有限公司 | Copper-silver alloy strip for reverser and production process of copper-silver alloy strip |
-
2016
- 2016-08-04 CN CN201610634673.1A patent/CN106239044B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708510A (en) * | 2009-12-03 | 2010-05-19 | 绍兴市力博电气有限公司 | Processing technology for processing high-purity high-conductivity oxygen-free copper bar |
| CN101719527A (en) * | 2009-12-03 | 2010-06-02 | 绍兴市力博电气有限公司 | Production technique of copper strips for solar modules |
| CN103008383A (en) * | 2012-12-17 | 2013-04-03 | 徐高磊 | Production technology for bimetal coating copper strip |
| CN105020565A (en) * | 2015-07-30 | 2015-11-04 | 绍兴市力博电气有限公司 | Copper-silver alloy strip for reverser and production process of copper-silver alloy strip |
| CN104959396A (en) * | 2015-08-04 | 2015-10-07 | 绍兴市力博电气有限公司 | Production process of copper strip for composite contact material |
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| CN106239044A (en) | 2016-12-21 |
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Effective date of registration: 20190604 Address after: 325000 Meiyuan Village, Sanjiang Street, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: WENZHOU DIANDIANDIAN INDUSTRIAL DESIGN Co.,Ltd. Address before: 312000 East Street of Yucheng City, Shaoxing, Zhejiang Province, No. 153 Applicant before: Xu Gaolei |
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Effective date of registration: 20221114 Address after: 528000 104, 202, 203, Building 13, Shunde Leliu Photoelectric Industry Center, No. 85, Lianfu 1st Road, Chonghe Village, Leliu Street, Shunde District, Foshan City, Guangdong Province (application for residence) Patentee after: Guangdong Risheng Intelligent Technology Co.,Ltd. Address before: 325000 Meiyuan Village, Sanjiang street, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: WENZHOU DIANDIANDIAN INDUSTRIAL DESIGN Co.,Ltd. |