CN103752633B - A kind of continuous extrausion process copper strip billet Strip Shape Control device - Google Patents
A kind of continuous extrausion process copper strip billet Strip Shape Control device Download PDFInfo
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- CN103752633B CN103752633B CN201310720126.1A CN201310720126A CN103752633B CN 103752633 B CN103752633 B CN 103752633B CN 201310720126 A CN201310720126 A CN 201310720126A CN 103752633 B CN103752633 B CN 103752633B
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Abstract
The present invention relates to a kind of continuous extrausion process copper strip billet Strip Shape Control device, belong to non-ferrous metals processing equipment technical field, comprise level Four expansion deformation passage, pad and mould, described level Four expansion deformation passage, pad and mould install combination successively by top-down order; Described level Four expansion deformation passage comprises first order distortion extended channel, second level distortion extended channel, third level distortion extended channel and fourth stage distortion extended channel.The present invention has increased substantially the extension width of continuous extrusion copper strip billet, the copper bar of 20-40mm is adopted to expand to the copper strip billet of 320-400mm, solve the technical barrier that in continuously extruded expansion deformation process, flow rate of metal is uneven, improve copper strip billet processability, solving copper strip billet edge cannot the technical barrier of shaping and tissue looseness; Make extruded copper strip billet transverse gage tolerance≤0.05mm, directly eliminate the conventional processes in milling face, ensure for follow-up rolling process provides good blank.
Description
Technical field
The present invention relates to a kind of continuous extrausion process copper strip billet Strip Shape Control device, belong to non-ferrous metals processing equipment technical field.
Background technology
Copper processing techniques both domestic and external is to the future development such as efficient, low consumption, energy-saving and environmental protection.The birth of continuous extrusion of copper strip manufacturing technology, has promoted the process of the development such as Copper fabrication industry is efficient, low consumption, energy-saving and environmental protection.Continuously extruded copper plate/strip manufacturing technology not only low energy consumption, the advantage such as production efficiency is high, product lumber recovery is high, with short production cycle, and meet the development of domestic and international modern copper processing techniques, have important initiative meaning to China's copper strips production technology.
Continuous extrausion process copper plate/strip manufactures new technology and adopts Ф 20mm ~ Ф 40mm up-casting oxygen-free copper rod to be raw material, by mould once extruded soft state copper coin made-up belt, do not need heating and milling face but Direct Rolling, therefore, a kind of control device being applicable to continuous extrausion process copper strips blanket shape of exploitation is badly in need of in this area.The present invention produces thus.
Summary of the invention
For solving the above-mentioned technical problem of prior art, the object of this invention is to provide a kind of continuous extrausion process copper strip billet Strip Shape Control device, its simple structure, reasonable in design, and easily control in operating process.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of continuous extrausion process copper strip billet Strip Shape Control device, comprise level Four expansion deformation passage, pad and mould, described level Four expansion deformation passage, pad and mould install combination successively by top-down order.
Described level Four expansion deformation passage comprises first order distortion extended channel, second level distortion extended channel, third level distortion extended channel and fourth stage distortion extended channel, wherein, and the expanded-angle A of first order distortion extended channel
1be 4 ~ 8 DEG C, expanded height H
1be 20 ~ 30mm, extension width is B
1be 40 ~ 50mm, expansion thickness T
1be 40 ~ 50mm; Second level distortion extended channel expanded-angle A
2be 120 ~ 130 DEG C, expanded height H
2be 15 ~ 25mm, extension width is B
2be 100 ~ 120mm, expansion thickness T
2be 40 ~ 50mm; Third level distortion extended channel expanded-angle A
3be 150 ~ 165 DEG C, expanded height H
3be 15 ~ 25mm, extension width is B
3be 270 ~ 300mm, expansion thickness T
3be 40 ~ 50mm; Fourth stage distortion extended channel expanded-angle A
4be 70 ~ 50 DEG C, expanded height H
4be 20 ~ 40mm, extension width is B
4be 310 ~ 450mm, expansion thickness T
4be 40 ~ 50mm; And T
1=T
2=T
3=T
4; And T
1=T
2=T
3=T
4.
Described pad throat width b
1=B
4, pad exit width b
2=mould extruded product width+1 ~ 2 mm.
Described pad is the contraction distortion passage pad that Cu Liu district and choked flow district combine.
The angle of the short stream angle α in described Cu Liu district is 30 ~ 50 DEG C, and the angle of the choked flow angle β in described choked flow district is 3 ~ 5 DEG C.
Described Cu Liu district is fan-shaped, and fan-shaped inlet diameter d
1=T
4, fan-shaped outlet diameter d
2=0.7 ~ 0.8 d
1, fan-shaped throat width b
3=0.25 B
4, fan-shaped outlet width b
4=0.25 mould extruded product width+1 ~ 2 mm.
The calibrating strap height of described mould is 8 ~ 15mm, and midpoint width is greater than most edge width 0.1 ~ 0.3 mm, and the width of midpoint width and most edge is for gradually changing transition, forms " dumbbell " shape.
Described die entrance gauge is greater than exit thickness size, is formed horn-like.
The angle γ of described horn-like port is 5 ~ 10 DEG C.
Beneficial effect of the present invention is as follows:
A kind of continuous extrausion process copper strip billet Strip Shape Control device that the application of the invention provides, have the following advantages: 1. the present invention adopts level Four expansion deformation passage, increase substantially the extension width of continuous extrusion copper strip billet, adopt the copper bar of 20-40mm to expand to the copper strip billet of 320-400mm; 2. the pad of the present invention's contraction distortion passage of adopting Cu Liu district and choked flow district to combine, solve the technical barrier that in continuously extruded expansion deformation process, flow rate of metal is uneven, improve copper strip billet processability, solving copper strip billet edge cannot the technical barrier of shaping and tissue looseness; 3. the present invention adopts the mould that horn mouth shape combines with dumbbell shape, makes extruded copper strip billet transverse gage tolerance≤0.05mm, directly eliminates the conventional processes in milling face, ensures for follow-up rolling process provides good blank.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of level Four expansion deformation channel expansion angle and expanded height;
Fig. 2 is the schematic diagram of level Four expansion deformation channel expansion thickness;
Fig. 3 is the structural representation of pad;
Fig. 4 is the sectional view along A-A direction in Fig. 3;
Fig. 5 is the sectional view along B-B direction in Fig. 3;
Fig. 6 is the structural representation of mould;
Fig. 7 is the sectional view along C-C direction in Fig. 6;
Wherein, 1, be pad, 3 for level Four expansion deformation passage, 2 be mould, 4 be choked flow district, 5 be Cu Liu district.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Fig. 1-Fig. 7, continuous extrausion process copper strip billet Strip Shape Control device of the present invention, comprise level Four expansion deformation passage 1, pad 2 and mould 3, level Four expansion deformation passage 1, pad 2 and mould 3 install combination successively by top-down order, once extruded copper strip billet.
Level Four expansion deformation passage 1 comprises first order distortion extended channel, second level distortion extended channel, third level distortion extended channel and fourth stage distortion extended channel, wherein, and the expanded-angle A of first order distortion extended channel
1be 4 ~ 8 DEG C, expanded height H
1be 20 ~ 30mm, extension width is B
1be 40 ~ 50mm, expansion thickness T
1be 40 ~ 50mm; Second level distortion extended channel expanded-angle A
2be 120 ~ 130 DEG C, expanded height H
2be 15 ~ 25mm, extension width is B
2be 100 ~ 120mm, expansion thickness T
2be 40 ~ 50mm; Third level distortion extended channel expanded-angle A
3be 150 ~ 165 DEG C, expanded height H
3be 15 ~ 25mm, extension width is B
3be 270 ~ 300mm, expansion thickness T
3be 40 ~ 50mm; Fourth stage distortion extended channel expanded-angle A
4be 70 ~ 50 DEG C, expanded height H
4be 20 ~ 40mm, extension width is B
4be 310 ~ 450mm, expansion thickness T
4be 40 ~ 50mm; And T
1=T
2=T
3=T
4.
Pad 2 throat width b
1=B
4, pad 2 exit width b
2=mould extruded product width+1 ~ 2 mm.
Pad 2 is the contraction distortion passage pad that Cu Liu district 5 and choked flow district 4 combine.
The angle of the short stream angle α in Cu Liu district 5 is 30 ~ 50 DEG C, and the angle of the choked flow angle β in described choked flow district 4 is 3 ~ 5 DEG C.
Cu Liu district 5 is fan-shaped, and fan-shaped inlet diameter d
1=T
4, fan-shaped outlet diameter d
2=0.7 ~ 0.8 d
1, fan-shaped throat width b
3=0.25 B
4, fan-shaped outlet width b
4=0.25 mould extruded product width+1 ~ 2 mm.
The calibrating strap height of mould 3 is 8 ~ 15mm, and midpoint width is greater than most edge width 0.1 ~ 0.3 mm, and the width of midpoint width and most edge is for gradually changing transition, forms " dumbbell " shape.
Mould 3 inlet thickness size is greater than exit thickness size, is formed horn-like.
The angle γ of horn-like port is 5 ~ 10 DEG C.
The present invention adopts level Four expansion deformation passage, has increased substantially the extension width of continuous extrusion copper strip billet, adopts the copper bar of 20-40mm to expand to the copper strip billet of 320-400mm; The pad of the contraction distortion passage adopting Cu Liu district and choked flow district to combine, solve the technical barrier that in continuously extruded expansion deformation process, flow rate of metal is uneven, improve copper strip billet processability, solving copper strip billet edge cannot the technical barrier of shaping and tissue looseness; The mould adopting horn mouth shape to combine with dumbbell shape, makes extruded copper strip billet transverse gage tolerance≤0.05mm, directly eliminates the conventional processes in milling face, ensures for follow-up rolling process provides good blank.
Above-described embodiment only illustrates inventive concept of the present invention for explaining, but not the restriction to rights protection of the present invention, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should fall into protection scope of the present invention.
Claims (6)
1. a continuous extrausion process copper strip billet Strip Shape Control device, is characterized in that: comprise level Four expansion deformation passage, pad and mould, and described level Four expansion deformation passage, pad and mould install combination successively by top-down order;
Described level Four expansion deformation passage comprises first order distortion extended channel, second level distortion extended channel, third level distortion extended channel and fourth stage distortion extended channel, wherein, and the expanded-angle A of first order distortion extended channel
1be 4 ~ 8 DEG C, expanded height H
1be 20 ~ 30mm, extension width is B
1be 40 ~ 50mm, expansion thickness T
1be 40 ~ 50mm; Second level distortion extended channel expanded-angle A
2be 120 ~ 130 DEG C, expanded height H
2be 15 ~ 25mm, extension width is B
2be 100 ~ 120mm, expansion thickness T
2be 40 ~ 50mm; Third level distortion extended channel expanded-angle A
3be 150 ~ 165 DEG C, expanded height H
3be 15 ~ 25mm, extension width is B
3be 270 ~ 300mm, expansion thickness T
3be 40 ~ 50mm; Fourth stage distortion extended channel expanded-angle A
4be 70 ~ 50 DEG C, expanded height H
4be 20 ~ 40mm, extension width is B
4be 310 ~ 450mm, expansion thickness T
4be 40 ~ 50mm; And T
1=T
2=T
3=T
4;
Described pad throat width b
1=B
4, pad exit width b
2=mould extruded product width+1 ~ 2 mm;
The calibrating strap height of described mould is 8 ~ 15mm, and midpoint width is greater than most edge width 0.1 ~ 0.3 mm, and the width of midpoint width and most edge is for gradually changing transition, forms " dumbbell " shape.
2. continuous extrausion process copper strip billet Strip Shape Control device as claimed in claim 1, is characterized in that: described pad is the contraction distortion passage pad that Cu Liu district and choked flow district combine.
3. continuous extrausion process copper strip billet Strip Shape Control device as claimed in claim 2, is characterized in that: the angle of the short stream angle α in described Cu Liu district is 30 ~ 50 DEG C, and the angle of the choked flow angle β in described choked flow district is 3 ~ 5 DEG C.
4. continuous extrausion process copper strip billet Strip Shape Control device as claimed in claim 3, is characterized in that: described Cu Liu district is fan-shaped, and fan-shaped inlet diameter d
1=T
4, fan-shaped outlet diameter d
2=0.7 ~ 0.8 d
1, fan-shaped throat width b
3=0.25 B
4, fan-shaped outlet width b
4=0.25 mould extruded product width+1 ~ 2 mm.
5. continuous extrausion process copper strip billet Strip Shape Control device as claimed in claim 1, is characterized in that: described die entrance gauge is greater than exit thickness size, is formed horn-like.
6. continuous extrausion process copper strip billet Strip Shape Control device as claimed in claim 5, is characterized in that: the angle γ of described horn-like port is 5 ~ 10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720126.1A CN103752633B (en) | 2013-12-23 | 2013-12-23 | A kind of continuous extrausion process copper strip billet Strip Shape Control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720126.1A CN103752633B (en) | 2013-12-23 | 2013-12-23 | A kind of continuous extrausion process copper strip billet Strip Shape Control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103752633A CN103752633A (en) | 2014-04-30 |
| CN103752633B true CN103752633B (en) | 2015-10-28 |
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| CN201310720126.1A Active CN103752633B (en) | 2013-12-23 | 2013-12-23 | A kind of continuous extrausion process copper strip billet Strip Shape Control device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159735A (en) * | 2017-05-19 | 2017-09-15 | 浙江工业职业技术学院 | One kind extension shaped device |
| CN110076211A (en) * | 2019-05-13 | 2019-08-02 | 浙江力博实业股份有限公司 | A kind of preparation method of the high Erichsen number copper strips of heat exchanger |
| CN110394371A (en) * | 2019-06-26 | 2019-11-01 | 李剑 | A kind of equal calibrating straps extrusion die |
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|---|---|---|---|---|
| CN101224544A (en) * | 2008-01-30 | 2008-07-23 | 江阴华电新材料有限公司 | Producing method of lead frame cuprum alloy strip with high strength and conductivity |
| CN202045502U (en) * | 2011-03-18 | 2011-11-23 | 绍兴市力博电气有限公司 | Continuous extrusion copper strip billet production line |
| CN202606547U (en) * | 2011-12-29 | 2012-12-19 | 昆明理工大学 | Mould for producing large width-to-thickness ratio section bars through continuous extrusion |
| CN203253758U (en) * | 2013-05-14 | 2013-10-30 | 绍兴市力博电气有限公司 | Expanding forming device for continuously extruding large-section copper strip plate |
| CN203265284U (en) * | 2013-05-14 | 2013-11-06 | 绍兴市力博电气有限公司 | Continuous extrusion silver-copper strip billet die |
| CN203711512U (en) * | 2013-12-23 | 2014-07-16 | 绍兴市力博电气有限公司 | Shape control device for copper strip blank plate produced by continuous extrusion method |
-
2013
- 2013-12-23 CN CN201310720126.1A patent/CN103752633B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224544A (en) * | 2008-01-30 | 2008-07-23 | 江阴华电新材料有限公司 | Producing method of lead frame cuprum alloy strip with high strength and conductivity |
| CN202045502U (en) * | 2011-03-18 | 2011-11-23 | 绍兴市力博电气有限公司 | Continuous extrusion copper strip billet production line |
| CN202606547U (en) * | 2011-12-29 | 2012-12-19 | 昆明理工大学 | Mould for producing large width-to-thickness ratio section bars through continuous extrusion |
| CN203253758U (en) * | 2013-05-14 | 2013-10-30 | 绍兴市力博电气有限公司 | Expanding forming device for continuously extruding large-section copper strip plate |
| CN203265284U (en) * | 2013-05-14 | 2013-11-06 | 绍兴市力博电气有限公司 | Continuous extrusion silver-copper strip billet die |
| CN203711512U (en) * | 2013-12-23 | 2014-07-16 | 绍兴市力博电气有限公司 | Shape control device for copper strip blank plate produced by continuous extrusion method |
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|---|---|
| CN103752633A (en) | 2014-04-30 |
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Address after: 312000 Keqiao District, Shaoxing City, Zhejiang, Lishui Town, Libo Industrial Park Patentee after: Zhejiang Libo industrial Limited by Share Ltd Address before: 312000 Shaoxing County, Zhejiang, Shaoxing Province Ping Town, Li Bo Industrial Park, Shaoxing City Po Bo Electric Co., Ltd. Patentee before: Shaoxing Libo Electric Co., Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Gaolei Inventor after: Yao Youfu Inventor after: Luo Yuefeng Inventor after: Chen Guoquan Inventor after: Wang Shuyang Inventor before: Xu Gaolei Inventor before: Yao Youfu Inventor before: Luo Yuefeng |