CN102069098A - Efficient cooling aluminum profile hot extrusion die structure - Google Patents
Efficient cooling aluminum profile hot extrusion die structure Download PDFInfo
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- CN102069098A CN102069098A CN2009102471554A CN200910247155A CN102069098A CN 102069098 A CN102069098 A CN 102069098A CN 2009102471554 A CN2009102471554 A CN 2009102471554A CN 200910247155 A CN200910247155 A CN 200910247155A CN 102069098 A CN102069098 A CN 102069098A
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- liquid nitrogen
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Abstract
The invention provides an efficient cooling aluminum profile hot extrusion die structure which comprises a die and a die cushion, wherein a liquid nitrogen inlet is formed on the outer edge of the die cushion, a liquid nitrogen channel is formed on the contact surface between the die cushion and the die, and the liquid nitrogen channel is communicated with the liquid nitrogen inlet; and an outlet of the liquid nitrogen channel is led into the die, a liquid nitrogen leading-in hole is designed at the position corresponding to the outlet of the liquid nitrogen channel, and the liquid nitrogen leading-in hole leads to a working tape of the die. The structure can perform direct cooling to the working tape of the die, can realize the direct cooling of the working tape of the die and a profile at the outlet of the die, and has better cooling effect.
Description
Technical field
The present invention relates to a kind of aluminium section bar processing mold structure, especially a kind of aluminium section hot-extrusion die structure of efficient cooling.
Background technology
In aluminium section bar hot extrusion production process, aluminium ingot is extruded in recipient by behind the mould, aluminium section bar of extruding and mold temperature all can raise, and because high temperature section bar and the mould extruded all are exposed in the air, following defective can appear: produce hard alumina particle at aluminium shape surface 1., and part is attached on mould outlet, can produce cut to follow-up section bar surface, and die surface also can cause and pull; 2. the mold temperature that continues to raise will cause die surface to move back nitrogen and reduce hardness, thereby shorten die life; 3. the continuous rising of aluminium section bar temperature of extruding also will cause the irregular distortion of section bar even scrap.Based on above-mentioned technical problem, in the aluminium section bar hot extrusion process, keep stationary temperature, both can avoid section bar surface premature oxidation, also can significantly improve the surface quality of basic section bar, also can prolong die life, improve the aluminium section bar extruded velocity.In order to address the above problem, the cooled with liquid nitrogen Tool and Die Technology has obtained progressively applying in recent years.
Prior art cooled with liquid nitrogen mode and structure such as Fig. 1, Fig. 2 and shown in Figure 3; promptly on mould or die-cushion, process the liquid nitrogen passage; in extrusion process, liquid nitrogen is sprayed to mould from the passage that is distributed on the die-cushion; make mold cools down; the evaporation of liquid nitrogen heat absorption simultaneously back forms nitrogen; the air that can get rid of mould outlet forms gas shield to section bar, anti-oxidation.The liquid nitrogen passage of prior art cooled with liquid nitrogen all is on die-cushion, and liquid nitrogen passage and mold work have must distance, generally be not less than 40mm～50mm, cause cooling effect undesirable like this.
Summary of the invention
The present invention is for solving in the prior art aluminium section bar hot extrusion process, the technical problem that the cooled with liquid nitrogen effect is bad, a kind of efficient cooling aluminium section hot-extrusion die structure is provided, the cooled with liquid nitrogen passage of this structure directly is cooled to the die working length place, can realize that effect is better to the direct cooling of die working length and mould outlet section bar.
In order to achieve the above object, the technical solution adopted in the present invention is, a kind of efficient cooling aluminium section hot-extrusion die structure is provided, it comprises mould, die-cushion, the outer of described die-cushion is provided with the liquid nitrogen inlet, the contact-making surface of described die-cushion and mould is provided with the liquid nitrogen passage, and described liquid nitrogen passage is communicated with described liquid nitrogen inlet; The outlet of described liquid nitrogen passage imports described mould; Position Design corresponding with the liquid nitrogen channel outlet on described mould has the liquid nitrogen entrance hole, and described liquid nitrogen entrance hole leads to the work zone of described mould.
Further, described liquid nitrogen passage partly is a spirality at die-cushion and mould contact surface.
Further, the distance of liquid nitrogen entrance hole on the described mould and die working length is 10mm～20mm.
The present invention compared with prior art, its effect is actively and significantly.The liquid nitrogen entrance hole by on mould at first imports liquid nitrogen near the die working length, finishes the cooling to die working length and mould outlet section bar more fully; Cooled with liquid nitrogen passage among the present invention is a spirality in addition, increased the contact area of liquid nitrogen and die-cushion and mould, liquid nitrogen is better flowed between die-cushion and mould contact surface, realized cooling more fully mould, increase the intensity of mould, improved the life-span of mould.
Description of drawings
Fig. 1 is the die-cushion structural representation of prior art aluminium section hot-extrusion die;
Fig. 2 is the mould structure schematic diagram of prior art aluminium section hot-extrusion die;
Fig. 3 is the installation diagram of prior art aluminium section hot-extrusion die and die-cushion;
Fig. 4 is the die-cushion structural representation that the present invention efficiently cools off aluminium section hot-extrusion die;
Fig. 5 is the mould structure schematic diagram that the present invention efficiently cools off aluminium section hot-extrusion die;
Fig. 6 is the installation diagram that the present invention efficiently cools off aluminium section hot-extrusion die and die-cushion.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the prior art aluminium section hot-extrusion die is provided with liquid nitrogen inlet 3 on die-cushion 1, and liquid nitrogen passage 4 is arranged on the die-cushion 1, and leads to the contact-making surface of die-cushion 1 and mould 2.As shown in Figure 3, the outlet of liquid nitrogen passage 4 and die working length 5 have certain distance, are unfavorable for cooling.
As Fig. 4, shown in Figure 5, the outer of the present invention's die-cushion 11 is provided with liquid nitrogen inlet 13, and liquid nitrogen passage 14 and liquid nitrogen inlet 13 are communicated with; Liquid nitrogen passage 14 is a spirality in the contact-making surface partial design of die-cushion 11 and mould 12; The outlet 17 of liquid nitrogen passage 14 imports mould 12; Position Design corresponding with the outlet 17 of liquid nitrogen passage 14 on the mould 12 has liquid nitrogen entrance hole 16.
As Fig. 5, shown in Figure 6, liquid nitrogen entrance hole 16 leads to the work zone 15 of mould; Liquid nitrogen introducing port 16 is 10mm～20mm apart from the distance of die working length 15.
Claims (3)
1. one kind is efficiently cooled off the aluminium section hot-extrusion die structure, it comprises mould, die-cushion, it is characterized in that: the outer of described die-cushion is provided with the liquid nitrogen inlet, and the contact-making surface of described die-cushion and mould is provided with the liquid nitrogen passage, and described liquid nitrogen passage is communicated with described liquid nitrogen inlet; The outlet of described liquid nitrogen passage imports described mould; Position Design corresponding with the liquid nitrogen channel outlet on described mould has the liquid nitrogen entrance hole, and described liquid nitrogen entrance hole leads to the work zone of described mould.
2. a kind of efficient cooling aluminium section hot-extrusion die structure as claimed in claim 1 is characterized in that: described liquid nitrogen passage partly is spirality at die-cushion and mould contact surface.
3. a kind of efficient cooling aluminium section hot-extrusion die structure as claimed in claim 1 or 2, it is characterized in that: the liquid nitrogen entrance hole on the described mould and the distance of die working length are 10mm～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102471554A CN102069098A (en) | 2009-11-24 | 2009-11-24 | Efficient cooling aluminum profile hot extrusion die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102471554A CN102069098A (en) | 2009-11-24 | 2009-11-24 | Efficient cooling aluminum profile hot extrusion die structure |
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| CN102069098A true CN102069098A (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102471554A Pending CN102069098A (en) | 2009-11-24 | 2009-11-24 | Efficient cooling aluminum profile hot extrusion die structure |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143586A (en) * | 2013-03-06 | 2013-06-12 | 佛山市三水凤铝铝业有限公司 | Method and device for liquid nitrogen cooling of aluminum profile extrusion die |
| CN103643181A (en) * | 2013-11-29 | 2014-03-19 | 福建省南平铝业有限公司 | Online forced-cooling and quenching device of aluminum alloy extrusion material |
| CN103817166A (en) * | 2014-02-28 | 2014-05-28 | 金川集团股份有限公司 | Water-cooling extrusion die sleeve and manufacturing method |
| CN104056869A (en) * | 2014-07-03 | 2014-09-24 | 辽宁忠旺集团有限公司 | 7-class aluminum alloy large extrusion die |
| CN104801561A (en) * | 2015-04-21 | 2015-07-29 | 苏州铭德铝业有限公司 | Extrusion die |
| CN107159737A (en) * | 2017-07-10 | 2017-09-15 | 广东工业大学 | A kind of extruder |
| CN107755449A (en) * | 2017-11-02 | 2018-03-06 | 安徽盛达前亮铝业有限公司 | A kind of extruding die for aluminum shaped material |
| CN108500076A (en) * | 2018-05-22 | 2018-09-07 | 浙江海亮新材料有限公司 | A kind of device and method accurately controlling aluminium section hot-extrusion die local temperature |
| CN111346937A (en) * | 2020-03-31 | 2020-06-30 | 福建省闽发铝业股份有限公司 | Constant-temperature high-speed extrusion liquid nitrogen cooling device |
| CN112222216A (en) * | 2020-10-16 | 2021-01-15 | 安徽省金兰金盈铝业有限公司 | High-efficient cooling aluminium alloy hot extrusion easy demoulding mould |
| CN112387801A (en) * | 2020-09-30 | 2021-02-23 | 成都标建铝业有限公司 | Liquid nitrogen cooling device of aluminum profile extrusion die |
| CN113732097A (en) * | 2021-09-26 | 2021-12-03 | 宁波科诺精工科技有限公司 | Aluminium alloy extrusion die with improved generation liquid nitrogen cooling structure |
| CN114011895A (en) * | 2021-09-08 | 2022-02-08 | 荀正 | Aluminum profile hot extrusion die convenient to form |
| CN114260329A (en) * | 2021-05-07 | 2022-04-01 | 大连理工大学 | Ultra-low temperature extrusion forming method and device for high-entropy alloy thin-walled tube |
-
2009
- 2009-11-24 CN CN2009102471554A patent/CN102069098A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143586A (en) * | 2013-03-06 | 2013-06-12 | 佛山市三水凤铝铝业有限公司 | Method and device for liquid nitrogen cooling of aluminum profile extrusion die |
| CN103143586B (en) * | 2013-03-06 | 2015-07-15 | 佛山市三水凤铝铝业有限公司 | Method and device for liquid nitrogen cooling of aluminum profile extrusion die |
| CN103643181A (en) * | 2013-11-29 | 2014-03-19 | 福建省南平铝业有限公司 | Online forced-cooling and quenching device of aluminum alloy extrusion material |
| CN103817166A (en) * | 2014-02-28 | 2014-05-28 | 金川集团股份有限公司 | Water-cooling extrusion die sleeve and manufacturing method |
| CN103817166B (en) * | 2014-02-28 | 2016-08-24 | 金川集团股份有限公司 | A kind of water-cooled extruding mold sleeve and preparation method thereof |
| CN104056869A (en) * | 2014-07-03 | 2014-09-24 | 辽宁忠旺集团有限公司 | 7-class aluminum alloy large extrusion die |
| CN104056869B (en) * | 2014-07-03 | 2016-08-03 | 辽宁忠旺集团有限公司 | 7 line aluminium alloy large extrusion die |
| CN104801561A (en) * | 2015-04-21 | 2015-07-29 | 苏州铭德铝业有限公司 | Extrusion die |
| CN107159737A (en) * | 2017-07-10 | 2017-09-15 | 广东工业大学 | A kind of extruder |
| CN107755449A (en) * | 2017-11-02 | 2018-03-06 | 安徽盛达前亮铝业有限公司 | A kind of extruding die for aluminum shaped material |
| CN108500076A (en) * | 2018-05-22 | 2018-09-07 | 浙江海亮新材料有限公司 | A kind of device and method accurately controlling aluminium section hot-extrusion die local temperature |
| CN111346937A (en) * | 2020-03-31 | 2020-06-30 | 福建省闽发铝业股份有限公司 | Constant-temperature high-speed extrusion liquid nitrogen cooling device |
| CN112387801A (en) * | 2020-09-30 | 2021-02-23 | 成都标建铝业有限公司 | Liquid nitrogen cooling device of aluminum profile extrusion die |
| CN112222216A (en) * | 2020-10-16 | 2021-01-15 | 安徽省金兰金盈铝业有限公司 | High-efficient cooling aluminium alloy hot extrusion easy demoulding mould |
| CN114260329A (en) * | 2021-05-07 | 2022-04-01 | 大连理工大学 | Ultra-low temperature extrusion forming method and device for high-entropy alloy thin-walled tube |
| CN114260329B (en) * | 2021-05-07 | 2022-12-06 | 大连理工大学 | Ultra-low temperature extrusion forming method and device for high-entropy alloy thin-walled tube |
| CN114011895A (en) * | 2021-09-08 | 2022-02-08 | 荀正 | Aluminum profile hot extrusion die convenient to form |
| CN113732097A (en) * | 2021-09-26 | 2021-12-03 | 宁波科诺精工科技有限公司 | Aluminium alloy extrusion die with improved generation liquid nitrogen cooling structure |
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Application publication date: 20110525 |