CN203711512U - Shape control device for copper strip blank plate produced by continuous extrusion method - Google Patents
Shape control device for copper strip blank plate produced by continuous extrusion method Download PDFInfo
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- CN203711512U CN203711512U CN201320855489.1U CN201320855489U CN203711512U CN 203711512 U CN203711512 U CN 203711512U CN 201320855489 U CN201320855489 U CN 201320855489U CN 203711512 U CN203711512 U CN 203711512U
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Abstract
The utility model relates to a shape control device for a copper strip blank plate produced by a continuous extrusion method, and belongs to the technical field of nonferrous metal processing equipment. The shape control device for the copper strip blank plate produced by the continuous extrusion method comprises four levels of extension and deformation channels, a gasket and a mold which are sequentially installed and combined from top to bottom; the four level of extension and deformation channels comprise a first level of deformation and extension channel, a second level of deformation and extension channel, a third level of deformation and extension channel and a fourth level of deformation and extension channel. According to the shape control device disclosed by the utility model, the extension width of the copper strip produced by the continuous extrusion method is improved greatly; copper rods with 20-40mm are extended to be copper strip blanks with 320-400mm; the technical difficulty of metal flow speed nonuniformity in the continuous extrusion extension and deformation process is solved; the copper strip blank forming performance is improved; the technical difficulties that the edge parts of the copper strips are difficult to form and tissues are loose are solved; the transverse thickness tolerance of the copper strip blanks produced by the extrusion molding is less than or equal to 0.05mm; the traditional working procedure of surface milling is omitted directly; the favorable blank material guarantee of the subsequent rolling working procedure is provided.
Description
Technical field
The utility model relates to a kind of continuous extrausion process copper strips blanket shape control device, belongs to non-ferrous metals processing equipment technical field.
Background technology
Copper process technology both domestic and external is to future developments 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 processing industry is efficient, low consumption, energy-saving and environmental protection.Continuously extruded not only low energy consumption of copper plate/strip manufacturing technology, 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 process technology, the initiative meaning important to having of China's copper strips production technology.
On continuous extrausion process copper plate/strip manufacture new technology employing Ф 20mm～Ф 40mm, drawing oxygen-free copper bar is raw material, by the soft state copper coin of extrusion modling made-up belt of mould, do not need heating and milling face but Direct Rolling, therefore, a kind of control device that is applicable to continuous extrausion process copper strips blanket shape of exploitation is badly in need of in this area.The utility model produces thus.
Utility model content
For solving the above-mentioned technical problem of prior art, the purpose of this utility model is to provide a kind of continuous extrausion process copper strips blanket shape control device, its simple structure, reasonable in design, and easily control in operating process.
For achieving the above object, the utility model is achieved through the following technical solutions:
A continuous extrausion process copper strips blanket shape control device, comprises level Four expansion deformation passage, pad and mould, and described level Four expansion deformation passage, pad and mould are installed 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 ℃, 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 ℃, 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 ℃, 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 ℃, 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.
The contraction distortion passage pad that described pad Wei Culiu district and choked flow district combine.
The angle of the short stream angle α in described Cu Liu district is 30～50 ℃, and the angle of the choked flow angle β in described choked flow district is 3～5 ℃.
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 exit width b
4=0.25 mould extruded product width+1～2 mm.
The calibrating strap height of described mould is 8～15mm, and mid point width is greater than limit width 0.1～0.3 mm of portion, and mid point width with the width of limit portion for gradually changing transition, formation " dumbbell " shape.
Described die entrance gauge is greater than exit thickness size, forms horn-like.
The angle γ of described horn-like port is 5～10 ℃.
The beneficial effects of the utility model are as follows:
By a kind of continuous extrausion process copper strips blanket shape control device that uses the utility model to provide, have the following advantages: 1. the utility model adopts level Four expansion deformation passage, increased substantially the extension width of continuous extrusion copper strip billet, the copper bar of employing 20-40mm expands to the copper strip billet of 320-400mm; 2. the pad of the contraction distortion passage that the utility model employing Cu Liu district and choked flow district combine, solved the inhomogeneous technical barrier of flow rate of metal in continuously extruded expansion deformation process, improved copper strip billet processability, solving copper strip billet limit portion cannot moulding and the technical barrier of tissue looseness; 3. the utility model adopts the mould that horn mouth shape combines with dumbbell shape, makes the copper strip billet transverse gage tolerance≤0.05mm of extrusion modling, has directly saved the conventional processes of milling face, for follow-up rolling process provides good blank, guarantees.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of level Four expansion deformation passage expanded-angle and expanded height;
Fig. 2 is the schematic diagram of level Four expansion deformation passage expansion thickness;
Fig. 3 is the structural representation of pad;
Fig. 4 is along the cutaway view of A-A direction in Fig. 3;
Fig. 5 is along the cutaway view of B-B direction in Fig. 3;
Fig. 6 is the structural representation of mould;
Fig. 7 is along the cutaway view of C-C direction in Fig. 6;
Wherein, 1, be level Four expansion deformation passage, 2 for pad, 3 for mould, 4 be choked flow district, 5 Wei Culiu districts.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is further described, but protection domain of the present utility model is not limited to this.
As shown in Fig. 1-Fig. 7, the utility model continuous extrausion process copper strips blanket shape control device, comprise level Four expansion deformation passage 1, pad 2 and mould 3, level Four expansion deformation passage 1, pad 2 and mould 3 are installed combination successively by top-down order, an extrusion modling 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 ℃, 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 ℃, 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 ℃, 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 ℃, 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.
The contraction distortion passage pad that pad 2 Wei Culiu districts 5 and choked flow district 4 combine.
The angle of the short stream angle α in Cu Liu district 5 is 30～50 ℃, and the angle of the choked flow angle β in described choked flow district 4 is 3～5 ℃.
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 exit width b
4=0.25 mould extruded product width+1～2 mm.
The calibrating strap height of mould 3 is 8～15mm, and mid point width is greater than limit width 0.1～0.3 mm of portion, and mid point width with the width of limit portion for gradually changing transition, formation " dumbbell " shape.
Mould 3 inlet thickness sizes are greater than exit thickness size, form horn-like.
The angle γ of horn-like port is 5～10 ℃.
The utility model adopts level Four expansion deformation passage, has increased substantially the extension width of continuous extrusion copper strip billet, and the copper bar of employing 20-40mm expands to the copper strip billet of 320-400mm; The pad of the contraction distortion passage that employing Cu Liu district and choked flow district combine, solved the inhomogeneous technical barrier of flow rate of metal in continuously extruded expansion deformation process, improved copper strip billet processability, solving copper strip billet limit portion cannot moulding and the technical barrier of tissue looseness; The mould that adopts horn mouth shape to combine with dumbbell shape, makes the copper strip billet transverse gage tolerance≤0.05mm of extrusion modling, has directly saved the conventional processes of milling face, for follow-up rolling process provides good blank assurance.
Above-described embodiment is only for the inventive concept of the present utility model of explaining, but not restriction to the utility model rights protection, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should fall into protection domain of the present utility model.
Claims (8)
1. a continuous extrausion process copper strips blanket shape control device, is characterized in that: comprise level Four expansion deformation passage, pad and mould, described level Four expansion deformation passage, pad and mould are installed 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 ℃, 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 ℃, 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 ℃, 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 ℃, 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.
2. continuous extrausion process copper strips blanket shape control device as claimed in claim 1, is characterized in that: described pad throat width b
1=B
4, pad exit width b
2=mould extruded product width+1～2 mm.
3. continuous extrausion process copper strips blanket shape control device as claimed in claim 2, is characterized in that: the contraction distortion passage pad that described pad Wei Culiu district and choked flow district combine.
4. continuous extrausion process copper strips blanket shape control device as claimed in claim 3, is characterized in that: the angle of the short stream angle α in described Cu Liu district is 30～50 ℃, and the angle of the choked flow angle β in described choked flow district is 3～5 ℃.
5. continuous extrausion process copper strips blanket shape control device as claimed in claim 4, 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 exit width b
4=0.25 mould extruded product width+1～2 mm.
6. continuous extrausion process copper strips blanket shape control device as claimed in claim 1, it is characterized in that: the calibrating strap height of described mould is 8～15mm, mid point width is greater than limit width 0.1～0.3 mm of portion, and mid point width with the width of limit portion for gradually changing transition, formation " dumbbell " shape.
7. continuous extrausion process copper strips blanket shape control device as claimed in claim 6, is characterized in that: described die entrance gauge is greater than exit thickness size, forms horn-like.
8. continuous extrausion process copper strips blanket shape control device as claimed in claim 7, is characterized in that: the angle γ of described horn-like port is 5～10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320855489.1U CN203711512U (en) | 2013-12-23 | 2013-12-23 | Shape control device for copper strip blank plate produced by continuous extrusion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320855489.1U CN203711512U (en) | 2013-12-23 | 2013-12-23 | Shape control device for copper strip blank plate produced by continuous extrusion method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711512U true CN203711512U (en) | 2014-07-16 |
Family
ID=51150712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320855489.1U Expired - Fee Related CN203711512U (en) | 2013-12-23 | 2013-12-23 | Shape control device for copper strip blank plate produced by continuous extrusion method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203711512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752633A (en) * | 2013-12-23 | 2014-04-30 | 绍兴市力博电气有限公司 | Strip shape control device for continuous-extrusion copper strip billet |
| CN104307912A (en) * | 2014-10-31 | 2015-01-28 | 太原理工大学 | Variable-channel extruding and rolling forming device and forming method thereof |
-
2013
- 2013-12-23 CN CN201320855489.1U patent/CN203711512U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752633A (en) * | 2013-12-23 | 2014-04-30 | 绍兴市力博电气有限公司 | Strip shape control device for continuous-extrusion copper strip billet |
| CN103752633B (en) * | 2013-12-23 | 2015-10-28 | 绍兴市力博电气有限公司 | A kind of continuous extrausion process copper strip billet Strip Shape Control device |
| CN104307912A (en) * | 2014-10-31 | 2015-01-28 | 太原理工大学 | Variable-channel extruding and rolling forming device and forming method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |