CN206824409U - A kind of flat cylinder extruding extrusion die - Google Patents
A kind of flat cylinder extruding extrusion die Download PDFInfo
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- CN206824409U CN206824409U CN201720540556.9U CN201720540556U CN206824409U CN 206824409 U CN206824409 U CN 206824409U CN 201720540556 U CN201720540556 U CN 201720540556U CN 206824409 U CN206824409 U CN 206824409U
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- inner chamber
- mould
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- extrusion die
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Abstract
Technical scheme is used by the utility model, a kind of flat cylinder extruding extrusion die, including die-cushion, die-cushion end face is installed with section bar mould, the other end of section bar mould is installed with big head mould, big head mould center offers the first inner chamber that section is arranged to elliptical shape, first inner chamber is provided with entrance and exit, the section transverse b of first inner chamber keeps constant, first inner chamber section ellipse short shaft a is gradually reduced from the inlet to the outlet, and big head mould sets the end face of outlet to be fixedly mounted on section bar mould.Blank approximation equi-strain rate is flowed through die working length, ensure that the quality of difficult-to-deformation material extruded product.
Description
Technical field
The utility model belongs to extrusion die technical field, is related to a kind of flat cylinder extruding extrusion die.
Background technology
Particles reiforced metal-base composition turns into because of its high intensity, endurance and the excellent mechanical performance such as wear-resistant
Recent study focus.Reinforcement in usual particles reiforced metal-base composition has high intensity and high rigidity, than base
Body material, the plastic deformation ability of metal-base composites is very poor, and elongation percentage at room temperature is generally lower than 10% so that secondary
Plastic working turns into the key issue for hindering it further to develop.The preparation method of existing particle enhanced aluminum-based composite material has
Be only suitable for prepare fritter product, some preparation technology complexity costs when preparing large scale product are higher, so as to limit should
Use scope.And extrusion process, under three compressive stress states of blank, it can obtain than rolling, forging and pressing bigger plastic deformation.It is compound
Material is expected to realize extrusion ratio 10-20 large deformation.Higher requirement is also proposed to extruder simultaneously, flat extruding cylinder extruding is
The major way of large-scale wide plate shaping, compared with round container, flat extruding cylinder inner chamber and wallboard section bar because of geometric similarity,
Evenly, product structure property is more preferable, high yield rate for metal flow.Existing flat cylinder extruding extrusion die, extrude difficult deformation
Metal when it is extrudability poor, extruding dead band it is larger.
Utility model content
The purpose of this utility model is to provide a kind of flat cylinder extruding extrusion die, flows through blank approximation equi-strain rate
Die working length, it ensure that the quality of difficult-to-deformation material extruded product.
The utility model is the technical scheme adopted is that a kind of flat cylinder extruding extrusion die, including die-cushion, die-cushion one end
Face is installed with section bar mould, and the other end of section bar mould is installed with big head mould, and big head mould center offers section setting
For the first inner chamber of elliptical shape, first inner chamber is provided with entrance and exit, and the section transverse b of first inner chamber is kept not
Become, first inner chamber section ellipse short shaft a is gradually reduced from the inlet to the outlet, and big head mould sets the end face of outlet to be fixedly mounted on
On section bar mould.
The characteristics of the utility model, also resides in,
Center offers second inner chamber and the 3rd inner chamber, second inner chamber, the 3rd inner chamber and respectively on section bar mould and die-cushion
The center of one inner chamber is correspondingly arranged.
The extrusion ratio of big head mould is 4~10, i.e. the porch section ellipse short shaft a of first inner chamber0It is ellipse with exit section
Circle short axle afRatio be 4~10.
The oval major axis b length in first inner chamber section be more than crowded strip width 103%.
The porch section ellipse short shaft a of first inner chamber0Hole width is small in the supporting flat extruding cylinder of two multiple proportions institute of length
5mm-20mm。
The small 5mm-20mm of hole length in the supporting flat extruding cylinder of two multiple proportions institute of first inner chamber section transverse b length.
The exit section ellipse short shaft a of first inner chamberfThe crowded big 2mm-10mm of sheet metal thickness of two multiple proportions institute of length.
Big head mould length is not less than 60mm, and section bar mould length is not less than 20mm.
Section bar mould land length 4mm~10mm.
The beneficial effects of the utility model are a kind of flat cylinder extruding extrusion dies of the present utility model, its first inner chamber
Section ellipse short shaft a is gradually reduced from the inlet to the outlet, belongs to equi-strain rate extrusion die, and extruding rate is permanent in extrusion process
The flowing of fixed and blank is more uniform, is advantageous to improve extruding finished product Forming Quality.And extrusion die of the present utility model can be obvious
Reduce extruding dead band, i.e., subtract in extrusion process positioned at the region that recipient is not plastically deformed with extrusion die intersection metal
It is small, reduce extruding dead band caused negative effect during extrusion forming.
Brief description of the drawings
Fig. 1 is a kind of structural representation of flat cylinder extruding extrusion die of the utility model;
Fig. 2 is a kind of structural representation of the big head mould of flat cylinder extruding extrusion die of the utility model;
Fig. 3 is Fig. 2 sectional view;
Fig. 4 is a kind of structural representation of the section bar mould of flat cylinder extruding extrusion die of the utility model;
Fig. 5 is a kind of structural representation of the die-cushion of flat cylinder extruding extrusion die of the utility model;
Fig. 6 is a kind of use state figure of flat cylinder extruding extrusion die of the utility model;
Fig. 7 is the use state figure of existing flat-die;
Fig. 8 is a kind of flat big head mould entrance of cylinder extruding extrusion die of the utility model and flat extruding cylinder profile diagram.
In figure, 1. big head moulds, 2. section bar moulds, 3. die-cushions, 4. recipients, 5. dead bands, 6. flat-dies;
1-1. first inner chambers, 1-2. entrances, 1-3. outlets;
2-1. second inner chambers, the inner chambers of 3-1. the 3rd.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of flat cylinder extruding extrusion die of the present utility model, its structure is as shown in figure 1, including die-cushion 3, die-cushion 3 one
End face is installed with section bar mould 2, and the other end of section bar mould 2 is installed with big head mould 1, as Figure 2-3, big head mould 1
Center offers the first inner chamber 1-1 that section is arranged to elliptical shape, and first inner chamber 1-1 is provided with entrance 1-2 and outlet 1-3,
First inner chamber 1-1 section transverse b keeps constant, and first inner chamber 1-1 sections ellipse short shaft a is from entrance 1-2 to outlet 1-3
It is gradually reduced, big head mould 1 sets outlet 1-3 end face to be fixedly mounted on section bar mould 2.
As shown in figure 4, center offers second inner chamber 2-1 and the 3rd inner chamber 3-1 respectively on section bar mould 2 and die-cushion 3, such as scheme
Shown in 5, second inner chamber 2-1, the 3rd inner chamber 3-1 and first inner chamber 1-1 center are correspondingly arranged.
The extrusion ratio of big head mould 1 is 4~10, i.e., section ellipse short shaft a at first inner chamber 1-1 entrance 1-20With outlet 1-
Ellipse short shaft a in section at 3fRatio be 4~10.
The oval major axis b length in first inner chamber 1-1 sections be more than crowded strip width 103%.
Section ellipse short shaft a at first inner chamber 1-1 entrance 1-20The supporting flat extruding cylinder endoporus of two multiple proportions institute of length is wide
Spend small 5mm-20mm.
The small 5mm-20mm of hole length in the supporting flat extruding cylinder of two multiple proportions institute of first inner chamber 1-1 sections transverse b length.
Section ellipse short shaft a at first inner chamber 1-1 outlet 1-3fThe crowded big 2mm- of sheet metal thickness of two multiple proportions institute of length
10mm。
The big length of head mould 1 is not less than 60mm, and the length of section bar mould 2 is not less than 20mm.
The land length of section bar mould 2 is 4mm~10mm.
A kind of flat cylinder extruding extrusion die of the present utility model, when in use, in extrusion process used for forming, keep blank should
Variable Rate is being axially constant, i.e. equi-strain rate, is advantageous to improve the extrudability of difficult deformable metal, improves extruded product surface
Quality and material combination property.
A kind of flat cylinder extruding extrusion die of the present utility model can reduce extruding dead band, as shown in fig. 6-7, figure well
6 be the extrusion die of utility model, and Fig. 7 is existing flat-die 6, and it is flat that comparison diagram 7 and Fig. 6 can be seen that one kind of the present utility model
Cylinder extruding is obviously reduced with extrusion die dead band, improves stressing conditions in blank extrusion process, improves difficult-to-deformation material extruding system
Quality.
A kind of flat cylinder extruding extrusion die of the present utility model, by taking 5MN extruders as an example, flat extruding cylinder and die entrance
Profile is as shown in figure 8, extruder is with chamber size in flat extruding cylinder:Length B=160mm, width A=2R=80mm, this practicality
The oval length shaft length in novel extrusion big head mould porch section is respectively 75mm and 36mm, and big head mould exit section is oval
Length shaft length be respectively 75mm and 6mm, length L=100mm, section bar mould length-width ratio=120:4, length L1=40mm, work
Make strip length h=8mm.
Claims (9)
1. a kind of flat cylinder extruding extrusion die, it is characterised in that including die-cushion (3), die-cushion (3) end face is fixedly mounted
There is section bar mould (2), the other end of the section bar mould (2) is installed with big head mould (1), and big head mould (1) center opens up
There is the first inner chamber (1-1) that section is arranged to elliptical shape, the first inner chamber (1-1) is provided with entrance (1-2) and outlet (1-
3), the first inner chamber (1-1) section transverse b keep it is constant, first inner chamber (1-1) the section ellipse short shaft a from
Entrance (1-2) is gradually reduced to outlet (1-3), and the big head mould (1) sets the end face of outlet (1-3) to be fixedly mounted on section bar
On mould (2).
2. a kind of flat cylinder extruding extrusion die according to claim 1, it is characterised in that the section bar mould (2) and mould
Center offers second inner chamber (2-1) and the 3rd inner chamber (3-1), the second inner chamber (2-1), the 3rd inner chamber respectively on pad (3)
The center of (3-1) and first inner chamber (1-1) is correspondingly arranged.
3. a kind of flat cylinder extruding extrusion die according to claim 1, it is characterised in that the big head mould (1) is squeezed
Pressure ratio is 4~10, i.e. entrance (1-2) place section ellipse short shaft a of first inner chamber (1-1)0It is short with outlet (1-3) place section ellipse
Axle afRatio be 4~10.
A kind of 4. flat cylinder extruding extrusion die according to claim 3, it is characterised in that the first inner chamber
The oval major axis b length in (1-1) section be more than crowded strip width 103%.
A kind of 5. flat cylinder extruding extrusion die according to claim 3, it is characterised in that the first inner chamber (1-1)
Entrance (1-2) place section ellipse short shaft a0The small 5mm-20mm of hole width in the supporting flat extruding cylinder of two multiple proportions institute of length.
A kind of 6. flat cylinder extruding extrusion die according to claim 4, it is characterised in that the first inner chamber (1-1)
The small 5mm-20mm of hole length in the supporting flat extruding cylinder of two multiple proportions institute of section transverse b length.
A kind of 7. flat cylinder extruding extrusion die according to claim 5, it is characterised in that the first inner chamber (1-1)
Outlet (1-3) place section ellipse short shaft afThe crowded big 2mm-10mm of sheet metal thickness of two multiple proportions institute of length.
A kind of 8. flat cylinder extruding extrusion die according to claim 1-7 any one, it is characterised in that the major part
Mould (1) length is not less than 60mm, and section bar mould (2) length is not less than 20mm.
A kind of 9. flat cylinder extruding extrusion die according to claim 8, it is characterised in that section bar mould (2) work
Strip length 4mm~10mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720540556.9U CN206824409U (en) | 2017-05-16 | 2017-05-16 | A kind of flat cylinder extruding extrusion die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720540556.9U CN206824409U (en) | 2017-05-16 | 2017-05-16 | A kind of flat cylinder extruding extrusion die |
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CN206824409U true CN206824409U (en) | 2018-01-02 |
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CN201720540556.9U Expired - Fee Related CN206824409U (en) | 2017-05-16 | 2017-05-16 | A kind of flat cylinder extruding extrusion die |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114160599A (en) * | 2021-12-27 | 2022-03-11 | 广东兴发铝业(江西)有限公司 | Extrusion die plane die structure and preparation method thereof |
-
2017
- 2017-05-16 CN CN201720540556.9U patent/CN206824409U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114160599A (en) * | 2021-12-27 | 2022-03-11 | 广东兴发铝业(江西)有限公司 | Extrusion die plane die structure and preparation method thereof |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180516 |