CN207787309U - Flow distribution plate aluminium and aluminium alloy pipes extrusion die - Google Patents
Flow distribution plate aluminium and aluminium alloy pipes extrusion die Download PDFInfo
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- CN207787309U CN207787309U CN201820038496.5U CN201820038496U CN207787309U CN 207787309 U CN207787309 U CN 207787309U CN 201820038496 U CN201820038496 U CN 201820038496U CN 207787309 U CN207787309 U CN 207787309U
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Abstract
The utility model is related to a kind of flow distribution plate aluminium and aluminium alloy pipes extrusion dies repeatedly to shunt aluminium in advance, and the number of the rear stage split channel in multi-stage diffluence channel is more than the number of previous stage split channel.Flow distribution plate aluminium and aluminium alloy pipes extrusion die provided by the utility model, aluminium is repeatedly shunted in advance using flow distribution plate, on the one hand, split ratio can obtain larger and form certain gradient successively, so that the pressure that shunting bridge is born can equally form certain gradient, to occur when the peak value difference for the maximum extrusion pressure that shunting bridge is born, the formation of extruding force peak-peak is avoided；On the other hand, the pan feeding mode of staged shunting, can effectively reduce the rigid region at mold center position, to reduce the resistance of deformation of metal in extrusion process, therefore can substantially reduce the bearing capacity of shunting bridge and improve die life.
Description
Technical field
The utility model is related to metal material processing apparatus fields, are squeezed more particularly to a kind of flow distribution plate aluminium and aluminium alloy pipes
Pressing mold.
Background technology
With the development of modern science and technology, people achieve significant progress to the research and development of aluminum alloy materials so that
Aluminum alloy materials have obtained more being widely applied, and especially aluminum alloy extrusion section bar has application to each row as structural material
Industry and field.Wherein, large aluminum alloy flat tube extrudate is very common in civilian and industrial application.Fig. 1 is a kind of
The cross-section diagram of typical large size flat tube aluminium section bar 20.
However, making the mold core size of mold bigger since the cavity area of this kind of proximate matter is big, in extrusion process
The bearing area of mold center is big, and the extruding rigid region of generation is big, and generated resistance of deformation and metal friction power are very big,
Under the working environment of high temperature, high pressure, high frictional resistance and alternate stress serious deformation will occur for mold, be easy to lead
The fracture of mold diversion bridge is caused, makes mold premature failure and reduces service life of mold.On the other hand, the wall thickness of this kind of proximate matter usually compares
It is relatively thin, cause the deformation extent squeezed to increase, the pressure that the extruding force in extrusion process is higher, and mold is born increases to reduce
The intensity of mold.The die life for how improving large-scale Flat tubular element is always the problem for perplexing enterprise.
Traditional extrusion die, is made of upper mold and lower die.So, the thickness of upper mold must reach 160mm or more, this
Prodigious difficulty is brought to processing, has that the processing of many positions is not in place, have some setbacks or transition is not round and smooth, and then is caused in heat
It will produce stress concentration in processing procedure, cause the reduction of mould strength.Meanwhile upper mold size is big, quenching degree when heat treatment
It can reduce, the intensity of mold can also be adversely affected.
Utility model content
Based on this, it is necessary to a kind of flow distribution plate aluminium and aluminium alloy pipes extrusion die is provided, to solve traditional aluminium alloy pipe
The problem that the upper mold intensity of extrusion die is relatively low, thickness is larger.
A kind of flow distribution plate, for being arranged in the front end of aluminium alloy pipe extrusion die, the aluminium alloy pipe extrusion die includes
Upper die and lower die, the upper mold are provided with upper mold split channel, and the upper mold split channel is described for being shunted to aluminium
Forming cavity is cooperatively formed between upper mold and the lower die, the flow distribution plate is provided with multi-stage diffluence from feed end to discharge end and leads to
Road, the multi-stage diffluence channel are used to repeatedly shunt aluminium in advance, the rear stage split channel in the multi-stage diffluence channel
Number is more than the number of previous stage split channel.
The flow distribution plate is additionally provided with predeformation channel in one of the embodiments, and the predeformation channel setting exists
Before the multi-stage diffluence channel.
The flow distribution plate includes that the predeformation set gradually is led to from feed end to discharge end in one of the embodiments,
Road, level-one split channel and two level split channel, the predeformation channel, the level-one split channel and two level shunt are logical
The length ratio in road is 2~4：5~7：6~8.
The shunting bridge of corresponding number, each institute are formed between multiple split channels per level-one in one of the embodiments,
The feed end and discharge end for stating shunting bridge are all made of chamfer design.
A kind of aluminium alloy pipe extrusion die, including upper die and lower die and the flow distribution plate, the discharge end energy of the flow distribution plate
Enough to be combined with the feed end of the upper mold, the upper mold is provided with upper mold split channel, and the upper mold split channel is used for aluminium
Material is shunted, and forming cavity is cooperatively formed between the upper mold and the lower die, and the number of the upper mold split channel is more than institute
State the number of the afterbody split channel of flow distribution plate.
There are two the level-one split channel and four two levels for the flow distribution plate setting in one of the embodiments,
The number of split channel, the upper mold split channel is six.
In one of the embodiments, between each fraction circulation road of the flow distribution plate and the upper mold split channel
Between be centrosymmetric distribution with the central axis of the aluminium alloy pipe extrusion die.
The discharge end of the upper mold is provided with the upper mould core of protrusion in one of the embodiments, and the lower die corresponds to
The position of the upper mould core is provided with lower die die hole, the lower die die hole include the soldering section set gradually along discharging direction,
The opening size of profiled section and discharging section, the soldering section is bigger than the opening size of the profiled section, the opening of the discharge end
The opening size of profiled section described in size ratio is big, and the upper mould core stretches into the soldering section and the profiled section is respectively formed weldering
Close room and forming gap.
Stress gap is provided between the flow distribution plate and the upper mold in one of the embodiments, between the stress
The width of gap is the 1/3~1/2 of the width of the forming gap.
It is opened up in one of the embodiments, in the discharge end of the flow distribution plate and in the intersection of afterbody shunting bridge
There is the first fabrication hole, and/or, the second fabrication hole is offered on the upper mould core.
Compared with prior art, the utility model has the advantages that：
Flow distribution plate aluminium and aluminium alloy pipes extrusion die provided by the utility model carries out repeatedly pre- point using flow distribution plate to aluminium
Stream, on the one hand, split ratio can obtain larger and form certain gradient successively so that the pressure that shunting bridge is born equally may be used
To form certain gradient, to occur when, the peak value difference of the maximum extrusion pressure that bears of shunting bridge, so as to avoid extruding force
The formation of peak-peak；On the other hand, the pan feeding mode of staged shunting, can effectively reduce the rigid region at mold center position
Domain to reduce the resistance of deformation of metal in extrusion process, therefore can substantially reduce the bearing capacity of shunting bridge and improve mold
Service life.In addition, the mold design of the utility model, can effectively reduce the requirement to upper mold thickness, to reduce adding for upper mold
Quenching degree when work difficulty, raising heat treatment, is conducive to the raising of mould strength.
Description of the drawings
Fig. 1 is a kind of cross-section diagram of typical large-scale flat tube aluminium section bar；
Fig. 2 is the structural schematic diagram of the flow distribution plate of an embodiment；
Fig. 3 be (a) predeformation channel of an embodiment, (b) level-one split channel and (c) two level split channel section
Figure；
Fig. 4 is the sectional view of the aluminium alloy pipe extrusion die of an embodiment；
Fig. 5 is the structural schematic diagram of the upper mold of an embodiment；
Fig. 6 is the sectional view of the upper mold of an embodiment；
Fig. 7 is the distribution schematic diagram of the flow blocking strip of an embodiment.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is
The understanding for opening content is more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
Any and all combinations of one or more relevant Listed Items.
Fig. 2, Fig. 3 are please referred to, the flow distribution plate 100 of an embodiment is provided with from the feed end of flow distribution plate 100 to discharge end
Multi-stage diffluence channel, multi-stage diffluence channel for repeatedly shunting aluminium in advance.Rear stage split channel in multi-stage diffluence channel
Number be more than previous stage split channel number.
Above-mentioned flow distribution plate 100, for being arranged in the front end of aluminium alloy pipe extrusion die, aluminium alloy pipe extrusion die includes
Upper die and lower die, upper mold are provided with upper mold split channel, upper mold split channel for being shunted to aluminium, upper die and lower die it
Between cooperatively form forming cavity.
In an alternative embodiment, it is set gradually from the feed end of flow distribution plate 100 to discharge end including a level shunt
Channel 120 and two level split channel 130.Optionally, it is logical to be not limited to an only level shunt for the multi-stage diffluence channel in flow distribution plate 100
A predeformation channel can also can also be arranged in road 120 and two level split channel 130 before level-one split channel 120
110, three-level split channel, level Four split channel etc. is arranged in two level split channel 130 later.In a specific embodiment
In, slave feed end to the discharge end of flow distribution plate 100 is set gradually including predeformation channel 110, level-one split channel 120 and two level
Split channel 130.
Further, in an alternative embodiment, predeformation channel 110, level-one split channel 120 and two level shunts are logical
The length ratio in road 130 is 2~4：5~7：6~8.In a specific embodiment, predeformation channel 110, a level shunt are logical
The length ratio of road 120 and two level split channel 130 is 3：6：7.
The shunting bridge of corresponding number is formed between multiple split channels in flow distribution plate 100 per level-one.Specifically, a fraction
A level shunt bridge 140 is formed between circulation road 120, and two level shunt bridges 150 etc. are formed between two level split channel 130.One
In a optional embodiment, the feed end of each level shunt bridge and discharge end are all made of chamfer design in flow distribution plate 100, can reduce
The flow resistance of metal, the tensile stress for reducing mold have delayed the fracture for shunting bridge, to improve the intensity of mold.
In an alternative embodiment, it is opened in the discharge end of flow distribution plate 100 and in the intersection of afterbody shunting bridge
Equipped with the first fabrication hole 160, to improve the quenching degree of flow distribution plate 100 during heat treatment, to improve mechanical performance and strong
Degree.In a specific embodiment, a diameter of 30mm of the first fabrication hole 160, depth 60mm.
Further, incorporated by reference to Fig. 4~Fig. 7, present embodiment also provides a kind of aluminium alloy pipe extrusion die 10, including shunting
The discharge end of plate 100, upper mold 200 and lower die 300, flow distribution plate 100 can be combined with the feed end of upper mold 200, flow distribution plate 100,
Upper mold 200 and lower die 300 are sequentially overlapped and are assembled integrally.Aluminium alloy pipe extrusion die 10 is in use, aluminium successively passes through shunting
The shunting of plate 100 and upper mold 200, finally by 300 extrusion molding of lower die.The feed end in upper mold 200 is arranged in flow distribution plate 100,
Upper mold 200 is provided with upper mold split channel 210, for further being shunted to the aluminium shunted in advance by flow distribution plate 100,
Also, the number of upper mold split channel 210 is more than the number of the afterbody split channel of flow distribution plate 100.
In an alternative embodiment, flow distribution plate 100, upper mold 200 and lower die 300 are isometrical disk-shaped mold, are convenient for
Cooperation installation.In a specific embodiment, the end face diameter of flow distribution plate 100, upper mold 200 and lower die 300 is 480mm, high
Degree is respectively 160mm, 140mm and 120mm.
Upper mold is formed between upper mold split channel 210 shunts bridge 220.In an alternative embodiment, upper mold shunts bridge
220 feed end and discharge end is all made of chamfer design.
In an alternative embodiment, between each fraction circulation road of flow distribution plate 100 and upper mold split channel 210
Between be centrosymmetric distribution with the central axis of aluminium alloy pipe extrusion die 10.
In an alternative embodiment, the number of the two level split channel 130 in flow distribution plate 100 is level-one split channel
Twice of 120.It is appreciated that 120 minimum number of level-one split channel is 2.In a specific embodiment, flow distribution plate
100 are disposed with 1 110,2, predeformation channel, 120,4 two level split channel 130 of level-one split channel, in this way, aluminium
Split channel is entered with one metal after shearing in advance, is divided into two money paid for shares categories, is separated into four money paid for shares categories.Further, upper mold point
The number of circulation road 210 is preferably 6, this explanation, and six will be formed again after entering upper mold 200 by belonging to from four money paid for shares of flow distribution plate 100
Money paid for shares category.Metal will be occurred for the respective three money paid for shares categories for becoming upper mold 200, this process by two money paid for shares categories of flow distribution plate 100
Again soldering and fusion and the shunting again of part, it is such to be advantageous in that, it is ensured that metal is difficult to molding in die hole
The metal supply at position is abundant, makes flow rate of metal everywhere be easy to reach unanimity, so that it is guaranteed that the required precision of proximate matter.Meanwhile
Metal becomes six strands by four strands, more meets the similitude with profile shapes after metal distributes, the distribution of metal is made to become more adduction
Reason.In other embodiments, the number of upper mold split channel 210 can also be 7,8 etc..
In an alternative embodiment, the discharge end of upper mold 200 is provided with the upper mould core 230 of protrusion, and lower die 300 is right
The position of upper mould core 230 is answered to be provided with lower die die hole 310, lower die die hole 310 includes the soldering set gradually along discharging direction
Section, profiled section and discharging section, the opening size of soldering section is bigger than the opening size of profiled section, and the opening size of discharge end is than molding
The opening size of section is big, and upper mould core 230 stretches into soldering section and profiled section is respectively formed bonding container 312 and forming gap 314, on
Mould mold core 230 does not extend into part and forms discharge hole 316.Further, in an alternative embodiment, it is opened on upper mould core 230
Equipped with the second fabrication hole 240, to improve the quenching degree of upper mold 200 during heat treatment, to improve mechanical performance and intensity.
In a specific embodiment, a diameter of 30mm of the second fabrication hole 240, depth 60mm.
In an alternative embodiment, stress gap 170, and stress are provided between flow distribution plate 100 and upper mold 200
The width in gap 170 is the 1/3~1/2 of the width of forming gap 314.So so that flow distribution plate 100 bears most extruding
Power, at the same 100 centre of flow distribution plate occur flexure or flexible deformation be transmitted to upper mold 200 as small as possible, so as to
The bearing capacity in 200 centre of upper mold is reduced, flexible deformation of the upper mold 200 in extrusion process is reduced, is conducive to keep proximate matter
The uniformity of wall thickness.In a specific embodiment, stress gap 170 is arranged the discharge end in flow distribution plate 100, width be at
The 1/3 of 314 width of type gap.
Optionally, according to extruding prepare the different cross section shape of tubing, forming gap 314 can be but not limited to justify
Shape, polygon or irregular shape etc..In an alternative embodiment, shape between upper mould core 230 and lower die die hole 310
Rectangular forming gap 314.In the present embodiment, the length in bonding container 312 close to forming gap 314 and wide centre position
It is both provided with flow blocking strip 320, flow blocking strip 320 is arranged close to forming gap 314, in a specific embodiment, flow blocking strip 320
Height and width be 6mm.
In an alternative embodiment, the assembling mode between flow distribution plate 100 and upper mold 200 is, flow distribution plate 100 and upper
Mould 200 is equipped with the corresponding mounting hole in position, and flow distribution plate 100 is fixed in upper mold 200 by fastening screw, further, point
The corresponding positioning pin in position and locating slot are respectively equipped between flowing plate 100 and upper mold 200.Similarly, upper mold 200 and lower die
Assembling mode between 300 can also use aforesaid way.
Above-mentioned 100 aluminium and aluminium alloy pipes extrusion die 10 of flow distribution plate carries out repeatedly pre- point using flow distribution plate 100 to aluminium
Stream, on the one hand, split ratio can obtain larger and form certain gradient successively so that the pressure that shunting bridge is born equally may be used
To form certain gradient, to occur when, the peak value difference of the maximum extrusion pressure that bears of shunting bridge, so as to avoid extruding force
The formation of peak-peak；On the other hand, the pan feeding mode of staged shunting, can effectively reduce the rigid region at mold center position
Domain to reduce the resistance of deformation of metal in extrusion process, therefore can substantially reduce the bearing capacity of shunting bridge and improve mold
Service life.In addition, the mold design of the utility model, can effectively reduce the requirement to 200 thickness of upper mold, to reduce upper mold
200 difficulty of processing, quenching degree when improving heat treatment, are conducive to the raising of mould strength.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of flow distribution plate, for being arranged in the front end of aluminium alloy pipe extrusion die, the aluminium alloy pipe extrusion die includes upper
Mould and lower die, the upper mold are provided with upper mold split channel, the upper mold split channel for being shunted to aluminium, it is described on
Forming cavity is cooperatively formed between mould and the lower die, which is characterized in that the flow distribution plate is provided with more from feed end to discharge end
Fraction circulation road, the multi-stage diffluence channel for repeatedly shunting aluminium in advance, the latter fraction in the multi-stage diffluence channel
The number of circulation road is more than the number of previous stage split channel.
2. flow distribution plate as described in claim 1, which is characterized in that the flow distribution plate is additionally provided with predeformation channel, described pre-
Channel is deformed to be arranged before the multi-stage diffluence channel.
3. flow distribution plate as claimed in claim 2, which is characterized in that the flow distribution plate includes setting successively from feed end to discharge end
Predeformation channel, level-one split channel and the two level split channel set, the predeformation channel, the level-one split channel and institute
The length ratio for stating two level split channel is 2~4：5~7：6~8.
4. such as claims 1 to 3 any one of them flow distribution plate, which is characterized in that shape between multiple split channels per level-one
At the shunting bridge of corresponding number, the feed end and discharge end of each shunting bridge are all made of chamfer design.
5. a kind of aluminium alloy pipe extrusion die, which is characterized in that including upper die and lower die and as described in any one of Claims 1 to 4
Flow distribution plate, the discharge end of the flow distribution plate can be combined with the feed end of the upper mold, and the upper mold is provided with upper mold shunting
Channel, the upper mold split channel are used to shunt aluminium, and forming cavity is cooperatively formed between the upper mold and the lower die,
Number of the number of the upper mold split channel more than the afterbody split channel of the flow distribution plate.
6. aluminium alloy pipe extrusion die as claimed in claim 5, which is characterized in that there are two described one for the flow distribution plate setting
The number of fraction circulation road and four two level split channels, the upper mold split channel is six.
7. aluminium alloy pipe extrusion die as claimed in claim 5, which is characterized in that each fraction circulation road of the flow distribution plate
Between and the upper mold split channel between be centrosymmetric distribution with the central axis of the aluminium alloy pipe extrusion die.
8. such as claim 5~7 any one of them aluminium alloy pipe extrusion die, which is characterized in that the discharge end of the upper mold
It is provided with the upper mould core of protrusion, the position that the lower die corresponds to the upper mould core is provided with lower die die hole, the lower die mould
Hole includes soldering section, profiled section and the discharging section set gradually along discharging direction, the opening size of the soldering section than it is described at
The opening size of type section is big, and the opening size of the discharge end is bigger than the opening size of the profiled section, and the upper mould core is stretched
Enter the soldering section and the profiled section is respectively formed bonding container and forming gap.
9. aluminium alloy pipe extrusion die as claimed in claim 8, which is characterized in that set between the flow distribution plate and the upper mold
It is equipped with stress gap, the width in the stress gap is the 1/3~1/2 of the width of the forming gap.
10. aluminium alloy pipe extrusion die as claimed in claim 8, which is characterized in that the flow distribution plate discharge end and
The intersection of afterbody shunting bridge offers the first fabrication hole, and/or, the second fabrication hole is offered on the upper mould core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038496.5U CN207787309U (en) | 2018-01-09 | 2018-01-09 | Flow distribution plate aluminium and aluminium alloy pipes extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038496.5U CN207787309U (en) | 2018-01-09 | 2018-01-09 | Flow distribution plate aluminium and aluminium alloy pipes extrusion die |
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| Publication Number | Publication Date |
|---|---|
| CN207787309U true CN207787309U (en) | 2018-08-31 |
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ID=63277770
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820038496.5U Active CN207787309U (en) | 2018-01-09 | 2018-01-09 | Flow distribution plate aluminium and aluminium alloy pipes extrusion die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555051A (en) * | 2018-01-09 | 2018-09-21 | 广东和胜工业铝材股份有限公司 | Flow distribution plate, aluminium alloy pipe extrusion die and its forming method |
| CN109530469A (en) * | 2019-01-08 | 2019-03-29 | 广东和胜工业铝材股份有限公司 | Move part device and extruder |
| CN112692094A (en) * | 2020-12-07 | 2021-04-23 | 重庆友利森汽车科技有限公司 | Multi-head battery frame extrusion die |
-
2018
- 2018-01-09 CN CN201820038496.5U patent/CN207787309U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555051A (en) * | 2018-01-09 | 2018-09-21 | 广东和胜工业铝材股份有限公司 | Flow distribution plate, aluminium alloy pipe extrusion die and its forming method |
| CN108555051B (en) * | 2018-01-09 | 2024-04-30 | 广东和胜工业铝材股份有限公司 | Splitter plate, aluminum alloy pipe extrusion die and forming method thereof |
| CN109530469A (en) * | 2019-01-08 | 2019-03-29 | 广东和胜工业铝材股份有限公司 | Move part device and extruder |
| CN112692094A (en) * | 2020-12-07 | 2021-04-23 | 重庆友利森汽车科技有限公司 | Multi-head battery frame extrusion die |
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