CN208643706U - A kind of large aluminum alloy round tube extrusion molding dies - Google Patents
A kind of large aluminum alloy round tube extrusion molding dies Download PDFInfo
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- CN208643706U CN208643706U CN201821150880.0U CN201821150880U CN208643706U CN 208643706 U CN208643706 U CN 208643706U CN 201821150880 U CN201821150880 U CN 201821150880U CN 208643706 U CN208643706 U CN 208643706U
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- upper mold
- lower die
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- aluminum alloy
- round tube
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Abstract
The utility model belongs to mold machining technology field, it is related to a kind of large aluminum alloy round tube extrusion molding dies, the tap hole that even number runs through upper mold is uniformly arranged on the circumferencial direction of upper mold feed end, tap hole is evenly distributed on the surrounding of mold core screw boss, the shunt bridge and vertical direction of upper mold feed end are in 30 ° of angles, external screw thread is arranged in mold core screw boss close to upper mold discharge end, the internal screw thread to match with external screw thread is set on the inner wall of nut, the discharge end of the feed end of lower die to lower die sets gradually bonding container, lower die work belt and discharge port, the lower die bridge pier to match with shunt bridge at upper mold discharge end is uniformly arranged on the circumferencial direction of bonding container, upper die and lower die supporting form is Cone fit support, i.e. element of cone is with the vertical direction of extrusion at 30 ° of angles, solving upper mold fractionation in existing mold will cause mold The problem of intensity is not achieved extruding and requires, and mold consumption is big, and die life reduces, while solving the problems, such as that whole upper mold can not process.
Description
Technical field
The utility model belongs to mold machining technology field, is related to a kind of large aluminum alloy round tube extrusion molding dies.
Background technique
In recent years, industrial aluminium quickly increased in the share of aluminium profile market, and the field being related to is also more and more.Especially
The large aluminum alloy round tube profile of motor casing class mostly uses 6061,6082 alloys to meet the needs of properties of product.It is this
Large aluminum alloy round tube, because its inner hole is big, it is meant that mold bearing area is big, and squeezing dead zone, (i.e. extruder is by squeezing casting greatly
Stick, the power acted on mold are largely idle work), the pressure for causing mold to bear is high.In consideration of it, to guarantee that upper mold is strong
Degree, upper mold must design very thick, bring very big difficulty to mould development.
It is domestic to be all made of protective film (or spreading mould)+upper mold+lower die at present in order to solve the problems, such as that upper mold thickness is excessive
Design structure.This measure splits into 2 parts i.e. the upper mold after strength check, i.e. protection mould+upper mold, so that on single
The thickness of mould reduces, easy to process.But after upper mold is divided into two, mould strength far from reach Extrusion Process of Aluminum Alloy Profile production needed for
Intensity requirement, mold consumption is big, and die life reduces, cause the production cost for the tube and pipe of aluminium alloy for squeezing factory to be substantially increased,
Simultaneously because the large mold process-cycle is long, generally at 30 days or so, mould factory can not supply the demand for squeezing factory's mold in time.
In order to improve the extruding efficiency of tube and pipe of aluminium alloy, qualified product is obtained, traditional design method must be just broken, developing is thought
Road is had the courage to bring forth new ideas, to adapt to increasingly developed aluminium profile market demand.
Utility model content
In view of this, the utility model, which will cause mould strength to solve in existing mold upper mold fractionation, is not achieved extruding
It is required that the problem of mold consumption is big, and die life reduces, provides a kind of large aluminum alloy round tube extrusion molding dies.
In order to achieve the above objectives, the utility model provides a kind of large aluminum alloy round tube extrusion molding dies, including in convex
Upper mold, nut and the lower die of shape are played, is provided with mold core screw boss, feed end of the mold core screw boss from upper mold in the middle part of upper mold
Direction of discharge to upper mold is arranged, and the shunting that even number runs through upper mold is evenly arranged on the circumferencial direction of upper mold feed end
Hole, tap hole are evenly distributed on the surrounding of mold core screw boss, and shunt bridge, the shunting of upper mold feed end are provided between tap hole
Bridge and vertical direction are in 30 ° of angles, and shunt bridge and upper mold feed end form the funnel-form feed inlet communicated with tap hole, close to upper
It is provided with external screw thread on the outside of the mold core screw boss of mould discharge end, the interior spiral shell to match with external screw thread is provided on the inner wall of nut
Line, the discharge end of feed end to the lower die of lower die are disposed with bonding container, lower die work belt and discharge port, the circumference of bonding container
The lower die bridge pier to match with shunt bridge at upper mold discharge end is evenly arranged on direction, so that upper die and lower die supporting form is
Cone fit support, i.e., round element of a cone is with the vertical direction of extrusion at 30 ° of angles.
Further, nut is set in the upper mold work belt that mosaic texture is formed in mold core screw boss.
Further, the number of tap hole is 4,6 or 8 in upper mold.
Further, the center of mold core screw boss end face is provided with through hardening hole.
Further, lower die bridge pier and the direction of extrusion are at 15 ° of angles.
Further, the entrance side of lower die work belt, which is provided with, hinders angle, hinders the depth at angle for the half of lower die work belt,
The degree for hindering angle is 2 °.
Further, the setting of the junction of bonding container and lower die work belt improves the fillet of metal fluidity.
The utility model has the beneficial effects that:
1, entire upper mold is designed as boss by large aluminum alloy round tube extrusion molding dies disclosed in the utility model
Shape inlays a nut in the mold core screw boss of the prominent side of upper mold, forms the upper mold work belt of mosaic texture, and with lower die worker
It is matched as band.Upper mold shunt bridge outstanding and lower die bridge pier Cone fit support, and can ensure that the intensity and use of upper mold
It in the service life, solves in the prior art that upper mold can not be processed directly, needs for upper mold to be split as that mould and upper mold two parts is protected to carry out
The problem of processing assembles, and influences upper mold intensity and service life.
2, large aluminum alloy round tube extrusion molding dies disclosed in the utility model, the side of upper mold feed end offer
The funnel-form feed inlet for being in 30 ° of angles with vertical direction and communicating with tap hole, this funnelform feed inlet can reduce aluminium
Forward extrusion resistance of the alloy cast ingot to feed inlet.Upper mold shunt bridge at upper die and lower die support is with vertical direction angle
30 °, upper die and lower die supporting way is changed to Cone fit by existing bridge pier planar support fit system and supports, and ensure that upper mold
The height of shunt bridge, the deficiency of upper mold strength reduction caused by compensating for because of upper mold design funnel.
3, large aluminum alloy round tube extrusion molding dies disclosed in the utility model, mold processing convenience, in mould factory
It in the case that process equipment does not upgrade, still can smoothly process, and mould strength is guaranteed, die life can substantially mention
It is high.This die improvement mode applies also for the mould development of large aluminum alloy square tube simultaneously, and achieves significant effect.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural representation in the utility model large aluminum alloy round tube extrusion molding dies after upper die and lower die molding
Figure；
Fig. 2 is the structural schematic diagram of upper mold in the utility model large aluminum alloy round tube extrusion molding dies；
Fig. 3 is the structural schematic diagram of nut in the utility model large aluminum alloy round tube extrusion molding dies；
Fig. 4 is the structural schematic diagram of lower die in the utility model large aluminum alloy round tube extrusion molding dies；
Fig. 5 is the side view of upper mold in the utility model large aluminum alloy round tube extrusion molding dies；
Fig. 6 is the side view of lower die in the utility model large aluminum alloy round tube extrusion molding dies.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
Appended drawing reference in Figure of description includes:
Upper mold 1, feed inlet 3, tap hole 4, through hardening hole 5, nut 6, discharge port 7, mold core screw boss 8, shunts lower die 2
Bridge 9, lower die work belt 11, hinders angle 12, lower die bridge pier 13 at bonding container 10.
Large aluminum alloy round tube extrusion molding dies as shown in figs. 1 to 6 including convex upper mold 1, are threadedly coupled
Nut 6 in the intermediate mold core screw boss 8 of upper mold 1 and the lower die 2 being used cooperatively with upper mold 1.
The middle part of upper mold 1 is provided with mold core screw boss 8, and mold core screw boss 8 is from the feed end of upper mold 1 to upper mold 1
Direction of discharge is arranged, and 4 tap holes 4 for running through upper mold 1, tap hole 4 are uniformly arranged on the circumferencial direction of 1 feed end of upper mold
Be evenly distributed on the surrounding of mold core screw boss 8, be provided with shunt bridge 9 between tap hole 4, the shunt bridge 9 of upper mold feed end with
Vertical direction is in 30 ° of angles, and shunt bridge 9 forms the funnel-form feed inlet 3 communicated with tap hole 4 with upper mold feed end, this
Funnelform feed inlet 3 can reduce aluminium alloy cast ingot to the forward extrusion resistance of feed inlet 3, and less die wear improves mould
Has service life.It is provided with external screw thread on the outside of the mold core screw boss 8 of 1 discharge end of upper mold, is provided on the inner wall of nut 6
The internal screw thread to match with external screw thread.The mode that nut 6 is connected through a screw thread is mounted in mold core screw boss 8, and formation is inlayed
The upper mold work belt of structure, upper mold work belt can be directly inserted in lower die 2,1 right side of upper mold shunt bridge 9 outstanding and lower die 2
It is supported between interior lower die bridge pier 13 for Cone fit, ensure that the intensity and service life of upper mold 1, solve in the prior art
Mould 1 can not be processed directly, need for upper mold 1 to be split as that mould and upper mold two parts is protected to carry out processing assembling, influence 1 intensity of upper mold
And the problem of service life.
The discharge end of the feed end of lower die 2 to lower die 2 sets gradually bonding container 10, lower die work belt 11 and discharge port 7, spiral shell
Mother 6 is set in the upper mold work belt that mosaic texture is formed in mold core screw boss 8, and upper mold work belt is inserted in lower die 2, on
Mould 1 and 2 supporting form of lower die are Cone fit support, that is, justify element of a cone with the vertical direction of extrusion into 30 ° of angles, that is,
Upper mold shunt bridge 9 and lower die bridge pier 13 and vertical direction angle at 2 support of upper mold 1 and lower die are 30 °, and upper mold 1 is under
2 supporting way of mould by bridge pier support fit system be changed to Cone fit, ensure that the height of 1 shunt bridge 9 of upper mold, compensate for because
Upper mold 1 designs the deficiency that funnel causes 1 strength reduction of upper mold.The center of 8 end face of mold core screw boss, which is provided with, quenches
Open-work 5 can increase the harden ability in aluminium alloy cast ingot heat treatment process.The lower die bridge pier 13 of 10 two sides of bonding container and extruding side
To at 15 ° of angles.The entrance side of lower die work belt 11, which is provided with, hinders angle 12, and hindering the depth at angle 12 is lower die work belt 11
Half, hinder angle 12 degree be 2 °.The setting of the junction of bonding container 10 and lower die work belt 11 improves metal fluidity
Fillet guarantees the performance requirement of product by hindering angle 12 and fillet that can improve the welding quality of duralumin, hard alumin ium alloy.It is entire to squeeze
The design structure of molding die is reasonable, can effectively reduce mold extruding force, improves the intensity of mold, improves tube and pipe of aluminium alloy
Production efficiency, reduce the loss of mold.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (7)
1. a kind of large aluminum alloy round tube extrusion molding dies, which is characterized in that including convex upper mold, nut and under
Mould, is provided with mold core screw boss in the middle part of upper mold, direction of discharge of the mold core screw boss from the feed end of upper mold to upper mold
It is arranged, the tap hole that even number runs through upper mold is evenly arranged on the circumferencial direction of upper mold feed end, tap hole is evenly distributed on
The surrounding of mold core screw boss is provided with shunt bridge between tap hole, and the shunt bridge and vertical direction of upper mold feed end are in 30 ° of folders
Angle, shunt bridge and upper mold feed end form the funnel-form feed inlet communicated with tap hole, close to the mold core screw thread of upper mold discharge end
It is provided with external screw thread on boss, the internal screw thread to match with external screw thread is provided on the inner wall of nut, the feed end of lower die is under
The discharge end of mould is disposed with bonding container, lower die work belt and discharge port, be evenly arranged on the circumferencial direction of bonding container with
The lower die bridge pier that shunt bridge matches at upper mold discharge end, so that upper die and lower die supporting form is Cone fit support, i.e., it is round
Element of a cone is with the vertical direction of extrusion at 30 ° of angles.
2. large aluminum alloy round tube extrusion molding dies as described in claim 1, which is characterized in that the nut is set in mould
The upper mold work belt of mosaic texture is formed in core screw boss.
3. large aluminum alloy round tube extrusion molding dies as claimed in claim 2, which is characterized in that tap hole in the upper mold
Number be 4,6 or 8.
4. the large aluminum alloy round tube extrusion molding dies as described in claims 1 to 3 is any, which is characterized in that the mold core
The center of screw boss end face is provided with through hardening hole.
5. large aluminum alloy round tube extrusion molding dies as claimed in claim 4, which is characterized in that the lower die bridge pier and squeeze
Press direction at 15 ° of angles.
6. large aluminum alloy round tube extrusion molding dies as claimed in claim 5, which is characterized in that the lower die work belt
Entrance side, which is provided with, hinders angle, hinders the depth at angle for the half of lower die work belt, and hindering the degree at angle is 2 °.
7. large aluminum alloy round tube extrusion molding dies as claimed in claim 6, which is characterized in that the bonding container and lower die
The junction setting of work belt improves the fillet of metal fluidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150880.0U CN208643706U (en) | 2018-07-19 | 2018-07-19 | A kind of large aluminum alloy round tube extrusion molding dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150880.0U CN208643706U (en) | 2018-07-19 | 2018-07-19 | A kind of large aluminum alloy round tube extrusion molding dies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208643706U true CN208643706U (en) | 2019-03-26 |
Family
ID=65785186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821150880.0U Active CN208643706U (en) | 2018-07-19 | 2018-07-19 | A kind of large aluminum alloy round tube extrusion molding dies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208643706U (en) |
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2018
- 2018-07-19 CN CN201821150880.0U patent/CN208643706U/en active Active
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Address after: 401326 Building 2, Xizhu Road, Xipeng Town, Jiulongpo District, Chongqing City Patentee after: Chinalco Special Aluminum Products (Chongqing) Co.,Ltd. Address before: 401326 Building 2, Xizhu Road, Xipeng Town, Jiulongpo District, Chongqing City Patentee before: SAPA CHALCO ALUMINUM PRODUCTS CO.,LTD. |