CN109332414A - A kind of butterfly extrusion die for flat wide thin-walled multi-cavity aluminum profile production - Google Patents
A kind of butterfly extrusion die for flat wide thin-walled multi-cavity aluminum profile production Download PDFInfo
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- CN109332414A CN109332414A CN201811149554.2A CN201811149554A CN109332414A CN 109332414 A CN109332414 A CN 109332414A CN 201811149554 A CN201811149554 A CN 201811149554A CN 109332414 A CN109332414 A CN 109332414A
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- butterfly
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- arch
- bonding container
- shunt bridge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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Abstract
The invention discloses a kind of butterfly extrusion dies for flat wide thin-walled multi-cavity aluminium alloy extrusions production, butterfly upper mold is set as multistage arch arc surface shunt bridge, arch shunt bridge radius is 150-200mm, arch shunt bridge is along butterfly upper mold end face sinking 10-20mm, the main shunt bridge of center continues sinking 10-15mm, for reducing mold stress in extrusion process；The design of butterfly lower die has two-stage to have the bonding container of butterfly profile, and level-one bonding container and second level bonding container height are respectively 15-25mm and 5-10mm, can increase block in second level bonding container, to adjust material flow rates, improves welding quality.The good flat wide thin-walled multi-cavity aluminum profile of geometry and welding quality can be produced, Life of Die for Extruding Aluminium Alloy is effectively improved, reduces and squeeze production energy consumption.
Description
Technical field
The present invention relates to aluminum profile production technical fields more particularly to a kind of for flat wide thin-walled multi-cavity aluminum profile production
Butterfly extrusion die.
Background technique
As the application field of extrusion aluminum-type material is more and more wider, aluminum profile is to large-scale, flat width, thin-walled, multi-cavity, high-precision
Direction is developed.For flat wide thin-walled multi-cavity aluminum profile, it is all made of conventional shunt combination die at present and is produced.But it is wide due to squeezing
Exhibition ratio, profile width-thickness ratio and Wall-Thickness Difference it is larger, in extrusion process material in die cavity performing process volume distribution is difficult to control,
The degree of irregularity of extrusion deformation is very serious, easily causes to turn round the profiles defects such as stubborn, wave, soldering is bad, wall thickness is overproof, and
And since material flow resistance is larger, required breakthrough pressure is big, and extrusion die easily deforms, unstability, crackle are even scrapped,
Normal use could be put by having to pass through die trial repeatedly and repairing a die.Therefore, in flat wide thin-walled multi-cavity Extrusion Process of Aluminum Alloy Profile production
That there are mold developing cycles is long, service life is short, a die trial qualification rate and the more low main problem of profile yield rate, serious shadow
The product quality and production efficiency for having rung profile, significantly increase enterprise's production cost.
The extruding of butterfly mould is to be proposed by Italian engineer Bergagna the 1990s, and main structure is
Traditional rectangular edges shape shunt bridge is replaced with the shunt bridge of arch, and shunt bridge is positioned in mould by correct mode
Have the reasonable Arrangement in plane, the supply so as to improve metal to covering part under outside and bridge.Butterfly mould extruding at present exists
It is applied in the simple profile extrusion of section configuration, but not yet discovery butterfly mould is squeezed in flat wide thin-walled multi-cavity aluminium alloy extrusions
Successful application case in production.
Summary of the invention
It is a kind of for flat wide thin-walled multi-cavity object of the present invention is to propose for above-mentioned the technical problems existing in the prior art
The butterfly extrusion die of aluminium alloy extrusions production.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
A kind of butterfly extrusion die for flat wide thin-walled multi-cavity aluminium alloy extrusions production, including upper die and lower die and spread
Flow-guilding mold, upper mold are located at lower die and spread between flow-guilding mold, wherein the upper mold is butterfly upper mold, and master is arranged in butterfly upper mold
Shunt bridge and arch shunt bridge, arch shunt bridge are set side by side in butterfly, and main shunt bridge is arranged radially along arch shunt bridge, will
Butterfly upper mold is separated into several tap holes；Arch shunt bridge present position is main relative to butterfly upper mold end face sinking 10-20mm
End face sinking 10-15mm of the shunt bridge present position relative to arch shunt bridge, the radius of arch shunt bridge are 150-200mm.
Shunt bridge continues sinking 10-15mm along butterfly upper mold end face sinking 10-20mm, the shunt bridge of center, shunts
Bridge radius is generally 150-200mm, and butterfly mould shunt bridge is sunk and second level diversion design, effectively improves metal and integrally divides
Match, while material flowing is more uniformly, flow resistance significantly reduces.Metal reduces the impact of mold, answers mold integrally
Power decline.
Preferably, the quantity of arch shunt bridge is adjusted according to the cross-sectional shape of profile.
It is further preferred that the arch shunt bridge is divided into two groups, the arch of two groups of arch shunt bridges is towards on the contrary.
Preferably, the impression section for spreading flow-guilding mold is dumbbell shape, is in horn-like extension from import to outlet.In addition to
It can reduce the integral pressure of mold, adjust material flow rates, the whole pressure born is transferred in bonding container, to guarantee
Its enough hydrostatic pressure can also realize the purpose that big section profile is produced using small extruder.
Preferably, design has level-one bonding container and second level bonding container, level-one bonding container and second level bonding container in the lower die
Stepped distribution, the cross-sectional area of level-one bonding container are greater than the cross-sectional area of second level bonding container, in use, level-one bonding container with
The outlet contact of the upper mold.
It is further preferred that the height of the level-one bonding container is 15-25mm, the height of second level bonding container is 5-10mm.
It is further preferred that the level-one bonding container and second level bonding container are butterfly-shaped contour structure.
Still more preferably, block is provided in the second level bonding container.Increasing block inside second level bonding container can be with
The whole flow velocity for adjusting metal material is conducive to improve welding quality.
Preferably, the upper die and lower die are all made of Length discrepancy work band structure, land length 15-20mm, work
It is provided at band and hinders angle.
It is further preferred that the obstruction angle is 1.5 ° -2 °.Setting hinders angle at work belt, increases the friction of aluminium bar
Power increases the soldering time, is conducive to improve welding quality.
The invention has the benefit that
(1) flow-guilding mold is spreaded in present invention design, and impression section is dumb-bell shape and can benefit in horn-like extension forward
The flat wide thin-walled multi-cavity aluminum profile in big section is produced with small extruder；
(2) butterfly upper mold is set as multistage arch arc surface shunt bridge, and arch shunt bridge radius is 150-200mm, arch
For shunt bridge along butterfly upper mold end face sinking 10-20mm, the main shunt bridge of center continues sinking 10-15mm, crowded for reducing
Mold stress during pressure；The bonding container that the design of butterfly lower die has two-stage to have butterfly profile, level-one bonding container and second level soldering
Room height is respectively 15-25mm and 5-10mm, can increase block in second level bonding container, to adjust material flow rates, improves soldering matter
Amount.The good flat wide thin-walled multi-cavity aluminum profile of geometry and welding quality can be produced, Life of Die for Extruding Aluminium Alloy is effectively improved,
It reduces and squeezes production energy consumption.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the overall structure diagram of butterfly extrusion die of the invention；
Fig. 2 is the structural schematic diagram of butterfly upper mold of the invention；
Fig. 3 is the structural schematic diagram of butterfly lower die of the invention；
Fig. 4 is the structural schematic diagram for spreading flow-guilding mold of the invention；
Fig. 5 is the structural schematic diagram at obstruction angle of the invention；
Fig. 6 is the enlarged drawing in Fig. 5 at A.
Wherein, 1, lower die, 2, upper mold, 3, spread flow-guilding mold, 4, level-one bonding container, 5, second level bonding container, 6, arch shunts
Bridge, 7, main shunt bridge, 8, lower die obstruction angle work belt, 9, upper mold obstruction angle work belt.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As depicted in figs. 1 and 2, a kind of butterfly extrusion die for flat wide thin-walled multi-cavity aluminium alloy extrusions production, including
Upper mold 2, lower die 1 and flow-guilding mold 3 is spreaded, upper mold 2 is located at lower die 1 and spreads between flow-guilding mold 3, wherein the upper mold 2 is butterfly
Main shunt bridge 7 and arch shunt bridge 6 is arranged in butterfly upper mold in upper mold, and arch shunt bridge 6 is set side by side in butterfly, main shunt bridge 7
Along being arranged radially for arch shunt bridge 6, butterfly upper mold is separated into several tap holes；6 present position of arch shunt bridge is opposite
In butterfly upper mold end face sinking 10-20mm, main shunt bridge end face sinking 10- of the position relative to arch shunt bridge 6 at 7
15mm, the radius of arch shunt bridge 6 are 150-200mm.The quantity of arch shunt bridge be 4, or 5,6,8,
10 etc..
Arch shunt bridge 6 herein is set side by side in butterfly, be that arch shunt bridge 6 is divided to is two groups, two groups of arch shunt bridges 6
Arch towards on the contrary, in butterfly be distributed.
As shown in figure 4, the impression section for spreading flow-guilding mold 3 is dumbbell shape, it is in horn-like extension from import to outlet.
Integral pressure in addition to can reduce mold adjusts material flow rates, and the whole pressure born is transferred in bonding container, thus
Guarantee its enough hydrostatic pressure, can also realize the purpose for producing big section profile using small extruder.
As shown in Figure 3 and Figure 5, design has level-one bonding container 4 and second level bonding container 5, level-one bonding container 4 and two in lower die 1
The grade stepped distribution of bonding container 5, the cross-sectional area of level-one bonding container 4 are greater than the cross-sectional area of second level bonding container 5, in use,
The outlet contact of level-one bonding container 4 and the upper mold 2 will form after the metal material soldering from upper mold.Level-one bonding container 4
Height is 15-25mm, the inner wall of level-one bonding container be it is inclined, make level-one bonding container 4 from the outside to the core for undergauge structure, second level weldering
The height for closing room 5 is 5-10mm.Level-one bonding container and second level bonding container are butterfly-shaped contour structure.
Block can be provided in second level bonding container 5, the whole flow velocity of adjustable metal material is conducive to improve weldering
Close quality.
As shown in Figure 5 and Figure 6, it is provided with upper mold in upper mold 2 and hinders angle work belt 9, lower die is provided in lower die 1 and hinders angle
Work belt 8, the length for the Length discrepancy work belt that lower die hinders angle work belt 8 and upper mold that angle work belt 9 is hindered to form are 15-
20mm is provided at work belt and hinders angle, and hindering angle is 1.5 ° -2 °.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of butterfly extrusion die for flat wide thin-walled multi-cavity aluminium alloy extrusions production, it is characterised in that: including upper mold, under
Mould and flow-guilding mold is spreaded, upper mold is located at lower die and spreads between flow-guilding mold, wherein the upper mold is butterfly upper mold, butterfly upper mold
The main shunt bridge of upper setting and arch shunt bridge, arch shunt bridge are set side by side in butterfly, diameter of the main shunt bridge along arch shunt bridge
To setting, butterfly upper mold is separated into several tap holes；Arch shunt bridge present position sinks relative to butterfly upper mold end face
10-20mm, end face sinking 10-15mm of the main shunt bridge present position relative to arch shunt bridge, the radius of arch shunt bridge are
150-200mm。
2. butterfly extrusion die according to claim 1, it is characterised in that: the quantity of arch shunt bridge is according to the cross of profile
Cross sectional shape adjustment.
3. butterfly extrusion die according to claim 2, it is characterised in that: the arch shunt bridge is divided into two groups, two groups
The arch of arch shunt bridge is towards on the contrary.
4. butterfly extrusion die according to claim 1, it is characterised in that: the impression section for spreading flow-guilding mold is mute
Bell type is in horn-like extension from import to outlet.
5. butterfly extrusion die according to claim 1, it is characterised in that: in the lower die design have level-one bonding container and
The cross-sectional area of second level bonding container, level-one bonding container and the stepped distribution of second level bonding container, level-one bonding container is welded greater than second level
The cross-sectional area for closing room, in use, the outlet contact of level-one bonding container and the upper mold.
6. butterfly extrusion die according to claim 5, it is characterised in that: the height of the level-one bonding container is 15-
25mm, the height of second level bonding container are 5-10mm.
7. butterfly extrusion die according to claim 5, it is characterised in that: the level-one bonding container and second level bonding container are equal
For butterfly contour structure.
8. butterfly extrusion die according to claim 5, it is characterised in that: be provided with block in the second level bonding container.
9. butterfly extrusion die according to claim 1, it is characterised in that: the upper die and lower die are all made of Length discrepancy work
Make band structure, land length 15-20mm is provided at work belt and hinders angle.
10. butterfly extrusion die according to claim 1, it is characterised in that: the obstruction angle is 1.5 ° -2 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149554.2A CN109332414B (en) | 2018-09-29 | 2018-09-29 | Butterfly-shaped extrusion die for producing flat-wide thin-wall multi-cavity aluminum profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149554.2A CN109332414B (en) | 2018-09-29 | 2018-09-29 | Butterfly-shaped extrusion die for producing flat-wide thin-wall multi-cavity aluminum profile |
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| Publication Number | Publication Date |
|---|---|
| CN109332414A true CN109332414A (en) | 2019-02-15 |
| CN109332414B CN109332414B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811149554.2A Active CN109332414B (en) | 2018-09-29 | 2018-09-29 | Butterfly-shaped extrusion die for producing flat-wide thin-wall multi-cavity aluminum profile |
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Cited By (2)
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| CN112692095A (en) * | 2020-12-07 | 2021-04-23 | 重庆友利森汽车科技有限公司 | Battery frame bottom plate extrusion die |
| CN114029353A (en) * | 2021-10-21 | 2022-02-11 | 山东华建铝业集团有限公司 | Thin-wall wide-width multi-cavity high-strength aluminum alloy plate, manufacturing method and extrusion die |
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| CN109332414B (en) | 2020-03-06 |
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