CN103831316B - A kind of semienclosed tubular aluminum section bar hot extrusion - Google Patents
A kind of semienclosed tubular aluminum section bar hot extrusion Download PDFInfo
- Publication number
- CN103831316B CN103831316B CN201410104767.9A CN201410104767A CN103831316B CN 103831316 B CN103831316 B CN 103831316B CN 201410104767 A CN201410104767 A CN 201410104767A CN 103831316 B CN103831316 B CN 103831316B
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- China
- Prior art keywords
- core rod
- main core
- patrix
- tap hole
- semienclosed
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 50
- 238000001192 hot extrusion Methods 0.000 title claims abstract description 17
- 238000009826 distribution Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000001125 extrusion Methods 0.000 abstract description 7
- 239000004411 aluminium Substances 0.000 description 32
- 239000000463 material Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
<b> the present invention relates to hot-extrusion mold technical field, be specially a kind of semienclosed tubular aluminum section bar hot extrusion, comprise upper die and lower die, also comprise pre-deflector, pre-deflector is positioned at the feed end of patrix, pre-deflector offers three honeycomb ducts, patrix offers the tap hole corresponding with honeycomb duct, the die face of patrix discharge end is connected with main core rod, main core rod comprises three main core rod posts, main core rod post under two sides being divided into upper main core rod post by the top and being positioned at two avris on the lower, the die face of patrix discharge end also has one piece of core rod base, core rod base can envelope the connection bottom of the die face junction of three main core rod posts and patrix discharge end, the feed end of counterdie there is the bonding container relative with patrix discharge end and be communicated with bonding container and the die cavity coordinated with main core rod, die cavity is semienclosed tube shape, stabilized structure, extrusion process is stablized, little to mould damage itself, Forming Quality is high.</b>
Description
Technical field
the present invention relates to hot-extrusion mold technical field, be specially a kind of semienclosed tubular aluminum section bar hot extrusion.
Background technology
at present, output and the consumption figure of the aluminium section bar whole industry rapidly increase, step into new developing stage, and shown many new development trends, it is in the majority that industrial aluminum profile accounts for the total application quantity of aluminium section bar, be mainly used in transportation and (comprise auto manufacturing, track traffic industry), equipment and plant equipment manufacturing industry, durable consumer goods industry (containing light industry) etc., wherein, closed or semienclosed centre has the tubular aluminum section bar of engraved structure at automobile, the industry applications such as plant equipment are more, as connecting pipe, armrest member etc., but in existing extrusion equipment forming process, as adopted as publication number a kind of aluminium profile extrusion device disclosed in the Chinese invention patent of 103537508A, be easy to occur that aluminium shape surface presentation quality is poor, shaping bad, distortion, product differentiation is large, core rod equivalent damage is comprised to mould itself large, the noise produced is large, exceed the problems such as aluminium bar scope is large.
Summary of the invention
the object of this invention is to provide a kind of stabilized structure, extrusion process is stablized, the semienclosed tubular aluminum section bar hot extrusion little, Forming Quality is high is damaged to mould itself.
above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of semienclosed tubular aluminum section bar hot extrusion, comprise upper die and lower die, also comprise pre-deflector, described pre-deflector is positioned at the feed end of described patrix, pre-deflector, upper die and lower die successively front and back superposition are assembled into one, described pre-deflector offers three honeycomb ducts, described patrix offers the tap hole corresponding with described honeycomb duct, the die face of described patrix discharge end is connected with main core rod, described main core rod comprises the main core rod post of three distributions in isosceles triangle shape, main core rod post under two sides being divided into upper main core rod post by the top and being positioned at two avris on the lower, the die face of described patrix discharge end also has the flat core rod base that a piece is parallel to the die face of described patrix discharge end, described core rod base can envelope the connection bottom of the die face junction of three described main core rod posts and described patrix discharge end, the feed end of described counterdie there is the bonding container relative with described patrix discharge end and be communicated with described bonding container and the die cavity coordinated with described main core rod, described die cavity is semienclosed tube shape.
in technique scheme, by the pre-water conservancy diversion of honeycomb duct and the shunting of tap hole, the advance process of aluminium material can be made more stable, the preventing portion interdigit aluminium material extrusion speed that causes under feeding or excessive differs, the problems such as the distortion that discharging is uneven and produce, decrease the impact of the instability to mould itself simultaneously, designed by main core rod is mainly shaping to hollow out road in the middle of aluminium section bar, can as a line arrangement connecting line etc., and have larger impact to the structural stability of aluminium section bar and physical property, this design, make shaping after aluminium profile structure stability and firmness all higher, and outward appearance is also relatively good, especially the design of upper mold core base is added, forming aluminium section process is three-dimensional stronger, easily realize the stable form of aluminium material extruding from multiple directions press-in, not only to the raising of extruded aluminium section quality, other damages reducing the problems such as fracture that main core rod is caused or transposition simultaneously and mould itself is caused.
as to preferably of the present invention, tap hole comprise outlet be positioned at upper tap hole above main core rod post and outlet be positioned at side under main core rod post both sides on the lower two sides under tap hole.This preferably makes aluminium material can stably enter from three directions, and make the stressed more even of mould, shaping stability and the uniformity of product can be strengthened.
as to preferably of the present invention, three honeycomb ducts on pre-deflector respectively with the corresponding setting of tap hole under upper tap hole and two sides, be respectively honeycomb duct under honeycomb duct and two sides, described upper honeycomb duct is horizontal, described upper tap hole is communicated with described upper honeycomb duct and extends to patrix discharge end in nose-up tendency, under described side, honeycomb duct is downward-sloping shape by entrance point to the port of export, and under described side, tap hole is communicated with honeycomb duct under described side and downward-sloping trend extends to patrix discharge end.This preferably further increases the stability that aluminium material enters, to the uniformity coefficient of mould punching and the stability of forming aluminium section process and the distribution of material uniformity, due to the design of patrix own and product, the feed of top can be more, be beneficial to the power of clamp-oning to sink to being squeezed to core rod position with the power of self, Main Function is played to whole charging, avoid the comparatively macrolesion to mould again simultaneously, so a mild drainage and the shunting that slows down can reach good effect, and the power that aluminium material needs a upper punch of entering of bottom avris coordinates the aluminium material of top main flow to complete extrusion process, it is a little less that charging can design, but need relatively to clamp-on power fast, so make it have an accelerator when drainage, reaching aluminium material above entering the cooperation of upper mould core place well carries out extruded.
as to preferably of the present invention, the cross sectional shape of upper tap hole is identical with the cross sectional shape of upper honeycomb duct, and under side, the cross sectional shape of tap hole is identical with the cross sectional shape of honeycomb duct under side.Put forward the stability of high aluminium material feeding, extruding further.
as to preferably of the present invention, the area of section of upper tap hole is 1.5:1-3:1 with the ratio of the area of section of tap hole under side.Put forward high aluminium material carries out main the core rod stability of extrusion process and the uniformity of feed from tripartite further, make the quality of finished product higher.
as to preferably of the present invention, under the cross sectional shape of upper tap hole and side, the cross sectional shape of tap hole is all in fan-shaped or fan annular and circumferentially array distribution.Put forward stability and shunting effect that high aluminium material enters further, ensure the uniformity of aluminium material extruding, reduce the impact to mould itself simultaneously.
as to preferably of the present invention, secondary core rod base in core rod base is provided with and leans respectively with main core rod post under upper main core rod post and two sides.Further protection core rod post, makes the structure of mould more reliable and more stable.
as to preferably of the present invention, core rod base is a mutual inverted similar isosceles triangle of isosceles triangle formed to main core rod post.Ensure the stability of this body structure of mould and the bearing capacity of the extruded process of aluminium material, all have larger help to the protection of mould itself and the raising of product quality.
as to preferably of the present invention, the position that interior secondary core rod base and main core rod post lean has the abutment face matched with main core rod post peripheral shape.Further raising stability also protects mould.
as to preferably of the present invention, the bonding container madial wall of counterdie has the downward-sloping buffering slope section that a section faces the upper tap hole of patrix.Further, by counterdie, certain buffering is carried out to aluminium material, and aluminium material can be made to be applied to core rod better, improve the quality of aluminium section bar.
beneficial effect of the present invention: this mould structure is firm, extruded process stabilization, aluminium material course of conveying is more steady, three-dimensional fill process makes the distribution of aluminium material more well-balanced, reduce the damage of mould itself, and aluminium profile product quality improves greatly, surface appearance effects promotes greatly simultaneously, distortion, product differentiation rate is little, and course of work noise is low.
Accompanying drawing explanation
fig. 1 is the perspective view in the embodiment of the present invention 1 under pre-deflector and patrix assembled state;
fig. 2 is the front view of counterdie in the embodiment of the present invention 1;
fig. 3 is the right view after pre-deflector in the embodiment of the present invention 1, upper die and lower die combination;
fig. 4 is the A-A cross section view in Fig. 3;
fig. 5 is the B-B cross section view in Fig. 3;
fig. 6 is the C-C cross section view in Fig. 3;
fig. 7 is the left view after pre-deflector in the embodiment of the present invention 1, upper die and lower die combination;
fig. 8 is the fertile aluminum profile cross section figure of mould in the embodiment of the present invention 1.
in figure: 1, patrix, 2, counterdie, 3, pre-deflector, 11, upper main core rod post, 12, main core rod post under side, 10, core rod base, 21, bonding container, 22, die cavity, 111, upper tap hole, 122, tap hole under side, 31, upper honeycomb duct, 32, honeycomb duct under side, 101, interior secondary core rod base, 1011, abutment face, 210, buffering slope section, 211, lower buffering slope.
Detailed description of the invention
following specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present invention.
embodiment 1, as shown in Figures 1 to 8, a kind of semienclosed tubular aluminum section bar hot extrusion, comprise patrix 1 and counterdie 2, also comprise pre-deflector 3, pre-deflector 3 is positioned at the feed end of patrix 1, pre-deflector 3, patrix 1 and counterdie 2 successively front and back superposition are assembled into one, pre-deflector 3 offers three honeycomb ducts, patrix 1 offers the tap hole corresponding with honeycomb duct, the die face of patrix 1 discharge end is connected with main core rod, main core rod comprises the main core rod post of three distributions in isosceles triangle shape, main core rod post 12 under two sides being divided into upper main core rod post 11 by the top and being positioned at two avris on the lower, the die face of patrix 1 discharge end also has the flat core rod base 10 that a piece is parallel to the die face of patrix 1 discharge end, core rod base 10 can envelope the connection bottom of the die face junction of three main core rod posts and patrix 1 discharge end, the feed end of counterdie 2 there is the bonding container 21 relative with patrix 1 discharge end and be communicated with bonding container 21 and the die cavity 22 coordinated with main core rod, die cavity 22 is in semienclosed tube shape.Tap hole comprise outlet be positioned at upper tap hole above main core rod post 11 111 and outlet be positioned at side under main core rod post 12 both sides on the lower two sides under tap hole 122.Three honeycomb ducts on pre-deflector 3 respectively with the corresponding setting of tap hole 122 under upper tap hole 111 and two sides, be respectively honeycomb duct 32 under honeycomb duct 31 and two sides, upper honeycomb duct 31 is horizontal, upper tap hole 111 is communicated with upper honeycomb duct 31 and extends to patrix 1 discharge end in nose-up tendency, under side, honeycomb duct 32 is downward-sloping shape by entrance point to the port of export, and under side, tap hole 122 is communicated with honeycomb duct under side 32 and downward-sloping trend extends to patrix 1 discharge end.The cross sectional shape of upper tap hole 111 is identical with the cross sectional shape of upper honeycomb duct 31, under side, the cross sectional shape of tap hole 122 is identical with the cross sectional shape of honeycomb duct under side 32, all can be arranged to circular and circumferentially array distribution, the area of section of upper tap hole 111 is 1.5:1-3:1 with the ratio of the area of section of tap hole under side 122.
secondary core rod base 101 in core rod base 10 is provided with and leans respectively with main core rod post 12 under upper main core rod post 11 and two sides, certainly, the gross thickness of core rod base 10 and interior secondary core rod base 101 is less than the length of main core rod post 12, do not affect the work of main core rod post 12, the gross thickness of preferred die core base 10 and interior secondary core rod base 101 and the length ratio of main core rod post 12 are 4:7-1:3, core rod base 10 is in a mutual inverted similar isosceles triangle of isosceles triangle formed to main core rod post, the position leant with main core rod post of interior secondary core rod base 101 has the abutment face 1011 matched with main core rod post peripheral shape, interior secondary core rod base 101 main body is a upright isosceles triangle shape.Bonding container 21 madial wall of counterdie 2 has the downward-sloping buffering slope section 210 that a section faces the upper tap hole 111 of patrix 1, and the below of buffering slope section 210 is by being provided with the lower buffering slope 211 of band arc convex outside die cavity 22.
aluminium material, by entering the bonding container 21 of counterdie 2 after pre-deflector 3, patrix 1, squeezes out counterdie 2 by the effect of main core rod post and die cavity 22 and forms desired aluminium section bar.
embodiment 2, the difference of itself and embodiment 1 is: the cross sectional shape of upper tap hole 111 and the cross sectional shape of tap hole 122 under side are all in fan-shaped or fan annular and circumferentially array distribution.
Claims (8)
1. a semienclosed tubular aluminum section bar hot extrusion, comprise patrix (1) and counterdie (2), it is characterized in that: also comprise pre-deflector (3), described pre-deflector (3) is positioned at the feed end of described patrix (1), pre-deflector (3), patrix (1) and counterdie (2) successively front and back superposition are assembled into one, described pre-deflector (3) offers three honeycomb ducts, described patrix (1) offers the tap hole corresponding with described honeycomb duct, the die face of described patrix (1) discharge end is connected with main core rod, described main core rod comprises the main core rod post of three distributions in isosceles triangle shape, main core rod post (12) under two sides being divided into upper main core rod post (11) by the top and being positioned at two avris on the lower, the die face of described patrix (1) discharge end also has the flat core rod base (10) that a piece is parallel to the die face of described patrix (1) discharge end, described core rod base (10) can envelope the connection bottom of the die face junction of three described main core rod posts and described patrix (1) discharge end, the feed end of described counterdie (2) there is the bonding container (21) relative with described patrix (1) discharge end and be communicated with described bonding container (21) and the die cavity (22) coordinated with described main core rod, described die cavity (22) is in semienclosed tube shape, tap hole comprise outlet be positioned at the upper tap hole (111) of main core rod post (11) top and outlet be positioned at side under main core rod post (12) both sides on the lower two sides under tap hole (122), three honeycomb ducts on pre-deflector (3) respectively with tap hole (122) corresponding setting under upper tap hole (111) and two sides, be respectively honeycomb duct (32) under honeycomb duct (31) and two sides, described upper honeycomb duct (31) is horizontal, described upper tap hole (111) is communicated with described upper honeycomb duct (31) and extends to patrix (1) discharge end in nose-up tendency, under described side, honeycomb duct (32) is downward-sloping shape by entrance point to the port of export, under described side, tap hole (122) is communicated with honeycomb duct (32) under described side and downward-sloping trend extends to patrix (1) discharge end.
2. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 1, it is characterized in that: the cross sectional shape of upper tap hole (111) is identical with the cross sectional shape of upper honeycomb duct (31), and under side, the cross sectional shape of tap hole (122) is identical with the cross sectional shape of honeycomb duct under side (32).
3. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 2, is characterized in that: under the area of section of upper tap hole (111) and side, the ratio of the area of section of tap hole (122) is 1.5:1-3:1.
4. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 3, is characterized in that: the cross sectional shape of upper tap hole (111) and the cross sectional shape of tap hole (122) under side are all in fan-shaped or fan annular and circumferentially array distribution.
5. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 1 or 2 or 3 or 4, is characterized in that: core rod base (10) is provided with the interior secondary core rod base (101) leant respectively with main core rod post (12) under upper main core rod post (11) and two sides.
6. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 5, is characterized in that: the mutual inverted similar isosceles triangle of isosceles triangle that core rod base (10) is formed to main core rod post in.
7. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 6, is characterized in that: the position leant with main core rod post of interior secondary core rod base (101) has the abutment face (1011) matched with main core rod post peripheral shape.
8. the semienclosed tubular aluminum section bar hot extrusion of one according to claim 1 or 2 or 3 or 4, is characterized in that: bonding container (21) madial wall of counterdie (2) has downward-sloping buffering slope section (210) that a section faces the upper tap hole (111) of patrix (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410104767.9A CN103831316B (en) | 2014-03-20 | 2014-03-20 | A kind of semienclosed tubular aluminum section bar hot extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410104767.9A CN103831316B (en) | 2014-03-20 | 2014-03-20 | A kind of semienclosed tubular aluminum section bar hot extrusion |
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| Publication Number | Publication Date |
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| CN103831316A CN103831316A (en) | 2014-06-04 |
| CN103831316B true CN103831316B (en) | 2015-12-09 |
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| CN201410104767.9A Expired - Fee Related CN103831316B (en) | 2014-03-20 | 2014-03-20 | A kind of semienclosed tubular aluminum section bar hot extrusion |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105363820A (en) * | 2015-12-23 | 2016-03-02 | 山东省科学院新材料研究所 | Extrusion die as well as extrusion method and application thereof |
| CN109821920B (en) * | 2019-01-07 | 2020-07-31 | 上海友升铝业有限公司 | Be applied to extrusion of electric automobile battery tray and widen exhibition mould |
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| CN1817496A (en) * | 2006-03-16 | 2006-08-16 | 江阴市江顺模具有限公司 | Extruding mould of big-section and oblique-rib aluminium section materials |
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| CN201271662Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-mould core large-scale industry section bar hot extrusion die |
| CN203044620U (en) * | 2012-11-21 | 2013-07-10 | 广东兴发铝业有限公司 | Extrusion mold for large-scale rotary sun shield movable support frame aluminum sectional material |
| CN203737740U (en) * | 2014-03-20 | 2014-07-30 | 湖州巨力铝型材有限公司 | Semi-enclosed tubular aluminum profile hot-extrusion die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0771691B2 (en) * | 1986-05-29 | 1995-08-02 | 昭和アルミニウム株式会社 | Method of manufacturing extruded material having three-dimensional shape change |
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2014
- 2014-03-20 CN CN201410104767.9A patent/CN103831316B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1817496A (en) * | 2006-03-16 | 2006-08-16 | 江阴市江顺模具有限公司 | Extruding mould of big-section and oblique-rib aluminium section materials |
| CN201120414Y (en) * | 2007-07-31 | 2008-09-24 | 江阴市江顺模具有限公司 | Extrusion pressing aluminium section bar mold for car sound equipment |
| CN201271662Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-mould core large-scale industry section bar hot extrusion die |
| CN203044620U (en) * | 2012-11-21 | 2013-07-10 | 广东兴发铝业有限公司 | Extrusion mold for large-scale rotary sun shield movable support frame aluminum sectional material |
| CN203737740U (en) * | 2014-03-20 | 2014-07-30 | 湖州巨力铝型材有限公司 | Semi-enclosed tubular aluminum profile hot-extrusion die |
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