CN203737740U - Semi-enclosed tubular aluminum profile hot-extrusion die - Google Patents
Semi-enclosed tubular aluminum profile hot-extrusion die Download PDFInfo
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- CN203737740U CN203737740U CN201420127453.6U CN201420127453U CN203737740U CN 203737740 U CN203737740 U CN 203737740U CN 201420127453 U CN201420127453 U CN 201420127453U CN 203737740 U CN203737740 U CN 203737740U
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- core rod
- die
- tap hole
- main core
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Abstract
The utility model relates to the technical field of hot extrusion dies, in particular to a semi-enclosed tubular aluminum profile hot-extrusion die. The die comprises an upper die and a lower die, and further comprises a pre-flow guiding plate, wherein the pre-flow guiding plate is positioned at the feed end of the upper die, three flow guiding channels are formed in the pre-flow guiding plate, tap holes corresponding to the flow guiding channels are formed in the upper die, a main die core is connected with the die surface of the discharging end of the upper die, and the main die core comprises three main die core columns, namely an upper main die core column positioned near the upper part, and two side lower main die core columns positioned near the lower part and on the two sides; a die core base is further arranged on the die surface of the discharging end of the upper die, the die core base can cover the connecting bottom end at the connecting part of the main die core columns and the die surface of the discharging end of the upper die, a seaming chamber and a cavity are formed in the feed end of the lower die, the seaming chamber is opposite to the discharging end of the upper die, and the cavity is communicated with the seaming chamber and matched with the main die core; the cavity takes of the shape of a semi-enclosed pipe. According to the die, the structure is stable, the extrusion process is steady, the damage to the die self is small, and the forming quality is high.
Description
Technical field
the utility model relates to hot-extrusion mold technical field, is specially a kind of semienclosed tubular aluminum section bar hot extrusion.
Background technology
at present, the output of the aluminium section bar whole industry and consumption figure rapid growth, stepped into new developing stage, and many new development trends have been shown, 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 the disclosed a kind of Extrusion Process of Aluminum Alloy Profile device of Chinese invention patent that to adopt as publication number be 103537508A, be easy to occur that aluminium shape surface presentation quality is poor, moulding is bad, distortion, product differentiation is large, mould itself is comprised to core rod equivalent damage is large, the noise producing is large, exceed the problems such as aluminium bar scope is large.
Utility model content
the purpose of this utility model is to provide a kind of stabilized structure, extrusion process is stablized, mould itself is damaged to the semienclosed tubular aluminum section bar hot extrusion little, Forming Quality is high.
above-mentioned technical purpose of the present utility model 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 stack are assembled into one, described pre-deflector offers three honeycomb ducts, described patrix offers the tap hole corresponding with described honeycomb duct, in the die face of described patrix discharge end, be connected with main core rod, described main core rod comprises that three are the main core rod post that isosceles triangle shape distributes, be divided into top side's upper main core rod post and be positioned on the lower main core rod post under two sides of two avris, in the die face of described patrix discharge end, also there is a flat core rod base that is parallel to the die face of described patrix discharge end, described core rod base can envelope three described main core rod posts and described patrix discharge end die face junction be connected bottom, the die cavity that the feed end of described counterdie has the seam chamber relative with described patrix discharge end and is communicated with described seam chamber and coordinate 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, can be so that the process of advancing of aluminium material be more stable, prevent that between position, the aluminium material extrusion speed that causes under feeding or excessive differs, inhomogeneous and the problems such as distortion that produce of discharging, also reduced the unsettled impact to mould itself simultaneously, main core rod is mainly designed to hollow out road moulding in the middle of aluminium section bar, can be used as a line arrangement connecting line etc., and the structural stability of aluminium section bar and physical property are had to larger impact, this design, make aluminium profile structure stability and firmness after moulding all higher, and outward appearance is also relatively good, especially add the design of upper mold core base, forming aluminium section process is three-dimensional stronger, easily realize the stable form that the extruding of aluminium material is pressed into from multiple directions, the not only raising to extruded aluminium section quality, other damages that reduce the problems such as fracture that main core rod is caused or transposition simultaneously and mould itself is caused.
as to of the present utility model preferably, tap hole comprises that outlet is positioned at the upper tap hole of main core rod post top and outlet and is positioned at the tap hole under two sides of both sides on the lower of main core rod post under side.This preferably makes aluminium material can stably enter from three directions, makes the stressed more even of mould, and the stability of moulding and the uniformity of product can be strengthened.
as to of the present utility model preferably, 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 and is the trend of raising up with described upper honeycomb duct and extends to patrix discharge end, 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 has preferably further improved the stability that aluminium material enters, to the stability of the uniformity coefficient of mould punching and forming aluminium section process and the distribution of material uniformity, design due to patrix own and product, the feed of top can be more, the power that is beneficial to the power of clamp-oning and self sinks to being squeezed to core rod position, whole charging is played to Main Function, avoid again simultaneously to mould compared with macrolesion, so a mild drainage and the shunting slowing down can reach good effect, and the power of entering aluminium material and need to have a upper punch of bottom avris coordinates the aluminium material of top main flow to complete extrusion process, it is a little less that charging meeting designs, but need to clamp-on relatively fast power, institute is so that it has an accelerator when drainage, reach and enter well upper mould core place and coordinate top aluminium material to carry out extrusion modling.
as preferably the cross sectional shape of upper tap hole is identical with the cross sectional shape of upper honeycomb duct to of the present utility model, under side, the cross sectional shape of tap hole is identical with the cross sectional shape of honeycomb duct under side.Further put forward the stability of high aluminium material feeding, extruding.
as to of the present utility model preferably, under the area of section of upper tap hole and side, the ratio of the area of section of tap hole is 1.5:1-3:1.Further put forward high aluminium material carries out main the core rod stability of extrusion process and the uniformity of feed from tripartite, make the quality of finished product higher.
as to of the present utility model preferably, under the cross sectional shape of upper tap hole and side, the cross sectional shape of tap hole is all fan-shaped or fan annular and is circumference array distribution.Further carry stability and shunting effect that high aluminium material enters, guarantee the uniformity of aluminium material extruding, reduce the impact to mould itself simultaneously.
as to of the present utility model preferably, core rod base be provided with upper main core rod post and two sides under the interior secondary core rod base that leans respectively of main core rod post.Further protection core rod post, makes the structure of mould more reliable and more stable.
as to of the present utility model preferably, the position that interior secondary core rod base and main core rod post lean has the abutment face matching with main core rod post peripheral shape.Further improve stability and protect mould.
as to of the present utility model preferably, core rod base is a mutual inverted similar isosceles triangle of the isosceles triangle forming with main core rod post.Guarantee the stability of this body structure of mould and the bearing capacity of aluminium material extrusion modling process, the raising of the protection of mould itself and product quality is all had to larger help.
as to of the present utility model preferably, the indoor sidewall of seam of counterdie has one section of downward-sloping buffering slope section that faces the upper tap hole of patrix.Further, by counterdie, aluminium material is carried out to certain buffering, and can make aluminium material be applied to better core rod, improve the quality of aluminium section bar.
the beneficial effects of the utility model: this mould structure is firm, extrusion modling process stabilization, aluminium material course of conveying is more steady, three-dimensional fill process makes the distribution of aluminium material more well-balanced, the damage of mould itself is reduced, and aluminium profile product quality improves greatly, appearance effect 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 under pre-deflector and patrix assembled state in the utility model embodiment 1;
fig. 2 is the front view of counterdie in the utility model embodiment 1;
fig. 3 is the right view after pre-deflector in the utility model embodiment 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 utility model embodiment 1, upper die and lower die combination;
fig. 8 is the fertile aluminum profile cross section figure of mould in the utility model embodiment 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, seam chamber, 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.
The specific embodiment
following specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this description, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
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 stack are assembled into one, pre-deflector 3 offers three honeycomb ducts, patrix 1 offers the tap hole corresponding with honeycomb duct, in the die face of patrix 1 discharge end, be connected with main core rod, main core rod comprises that three are the main core rod post that isosceles triangle shape distributes, be divided into top side's upper main core rod post 11 and be positioned on the lower main core rod post 12 under two sides of two avris, in the die face of patrix 1 discharge end, also there is a flat core rod base 10 that is parallel to the die face of patrix 1 discharge end, core rod base 10 can envelope three main core rod posts and patrix 1 discharge end die face junction be connected bottom, the feed end of counterdie 2 has the seam chamber 21 relative with patrix 1 discharge end and die cavity 22 that be communicated with seam chamber 21 and that coordinate with main core rod, die cavity 22 is semienclosed tube shape.Tap hole comprises that outlet is positioned at the upper tap hole 111 of main core rod post 11 tops and outlet and is positioned at the tap hole 122 under two sides of both sides on the lower of main core rod post 12 under side.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 is the trend of raising up and extends to patrix 1 discharge end, 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 circle and be circumference array distribute, 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.
core rod base 10 be provided with upper main core rod post 11 and two sides under the interior secondary core rod base 101 that leans respectively of main core rod post 12, 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 length ratio of the gross thickness of preferred die core base 10 and interior secondary core rod base 101 and main core rod post 12 is 4:7-1:3, core rod base 10 is an isosceles triangle forming to main core rod post inverted similar isosceles triangle mutually, the position leaning with main core rod post of interior secondary core rod base 101 has the abutment face 1011 matching with main core rod post peripheral shape, interior secondary core rod base 101 main bodys are a upright isosceles triangle shape.Seam chamber 21 madial walls of counterdie 2 have one section of downward-sloping buffering slope section 210 that faces the upper tap hole 111 of patrix 1, and the below of buffering slope section 210 can also be provided with the lower buffering slope 211 with arc convex by die cavity 22 outsides.
aluminium material enters the seam chamber 21 of counterdie 2 after by pre-deflector 3, patrix 1, and the effect by main core rod post and die cavity 22 squeezes out counterdie 2 and forms desired aluminium section bar.
embodiment 2, and the difference of itself and embodiment 1 is: under the cross sectional shape of upper tap hole 111 and side, the cross sectional shape of tap hole 122 is all fan-shaped or fan annular and is circumference array distribution.
Claims (10)
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 stack are assembled into one, described pre-deflector (3) offers three honeycomb ducts, described patrix (1) offers the tap hole corresponding with described honeycomb duct, in the die face of described patrix (1) discharge end, be connected with main core rod, described main core rod comprises that three are the main core rod post that isosceles triangle shape distributes, be divided into top side's upper main core rod post (11) and be positioned on the lower main core rod post (12) under two sides of two avris, in the die face of described patrix (1) discharge end, also there is a flat core rod base (10) that is parallel to the die face of described patrix (1) discharge end, described core rod base (10) can envelope three described main core rod posts and described patrix (1) discharge end die face junction be connected bottom, the die cavity (22) that the feed end of described counterdie (2) has the seam chamber (21) relative with described patrix (1) discharge end and is communicated with described seam chamber (21) and coordinate with described main core rod, described die cavity (22) is semienclosed tube shape.
2. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 1, is characterized in that: tap hole comprises that outlet is positioned at the upper tap hole (111) of main core rod post (11) top and outlet and is positioned at the tap hole (122) under two sides of both sides on the lower of main core rod post (12) under side.
3. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 2, it is characterized in that: 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, described upper honeycomb duct (31) is horizontal, described upper tap hole (111) is communicated with described upper honeycomb duct (31) and is the trend of raising up and extends to patrix (1) discharge end, honeycomb duct under described side (32) is downward-sloping shape by entrance point to the port of export, tap hole under described side (122) is communicated with honeycomb duct (32) under described side and downward-sloping trend extends to patrix (1) discharge end.
4. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 3, 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 the cross sectional shape of tap hole under side (122) is identical with the cross sectional shape of honeycomb duct under side (32).
5. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 4, 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.
6. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 5, is characterized in that: under the cross sectional shape of upper tap hole (111) and side, the cross sectional shape of tap hole (122) is all fan-shaped or fans annular and be circumference array distribution.
7. according to a kind of semienclosed tubular aluminum section bar hot extrusion described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: core rod base (10) be provided with upper main core rod post (11) and two sides under the interior secondary core rod base (101) that leans respectively of main core rod post (12).
8. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 7, is characterized in that: core rod base (10) is an isosceles triangle forming to main core rod post inverted similar isosceles triangle mutually.
9. a kind of semienclosed tubular aluminum section bar hot extrusion according to claim 8, is characterized in that: interior secondary core rod base (101) has with the position that main core rod post leans the abutment face (1011) matching with main core rod post peripheral shape.
10. according to a kind of semienclosed tubular aluminum section bar hot extrusion described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: seam chamber (21) madial wall of counterdie (2) has one section of downward-sloping buffering slope section (210) that faces the upper tap hole (111) of patrix (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127453.6U CN203737740U (en) | 2014-03-20 | 2014-03-20 | Semi-enclosed tubular aluminum profile hot-extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127453.6U CN203737740U (en) | 2014-03-20 | 2014-03-20 | Semi-enclosed tubular aluminum profile hot-extrusion die |
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| Publication Number | Publication Date |
|---|---|
| CN203737740U true CN203737740U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127453.6U Withdrawn - After Issue CN203737740U (en) | 2014-03-20 | 2014-03-20 | Semi-enclosed tubular aluminum profile hot-extrusion die |
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| CN (1) | CN203737740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831316A (en) * | 2014-03-20 | 2014-06-04 | 湖州巨力铝型材有限公司 | Hot extrusion die for semi-closed tubular aluminium profiles |
-
2014
- 2014-03-20 CN CN201420127453.6U patent/CN203737740U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831316A (en) * | 2014-03-20 | 2014-06-04 | 湖州巨力铝型材有限公司 | Hot extrusion die for semi-closed tubular aluminium profiles |
| CN103831316B (en) * | 2014-03-20 | 2015-12-09 | 顾祥茂 | A kind of semienclosed tubular aluminum section bar hot extrusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |