CN107931347A - A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening - Google Patents
A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening Download PDFInfo
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- CN107931347A CN107931347A CN201711215776.5A CN201711215776A CN107931347A CN 107931347 A CN107931347 A CN 107931347A CN 201711215776 A CN201711215776 A CN 201711215776A CN 107931347 A CN107931347 A CN 107931347A
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- bonding container
- layer
- aluminum
- bearing surface
- mould
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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
Abstract
The invention discloses a kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold and type pad mould, shunting bridge is distributed with the feed plane of the flow-guilding mold, the shunting bridge includes center shunting bridge and circumferential shunting bridge, tap hole is formed between the circumferential shunting bridge；The type pad mould is equipped with bonding container into charge level, and discharge feed side is equipped with the empty knife layer in outlet, work band is equipped between the bonding container and outlet sky knife layer.The length of the work band is 4~10mm.The bonding container is bonding container twice, includes first layer bonding container and second layer bonding container successively from right to left.Compared with prior art, the big pressure-bearing surface shading type the Aluminum-Extruding Die of the small opening of structure of the present invention has the advantages that simple in structure, processing effect is good.
Description
Technical field
The present invention relates to aluminium alloy extrusion mould design field, and in particular to a kind of small big pressure-bearing surface shading type aluminium extruded of opening
Compression mould.
Background technology
In recent years, the fast development with aluminium alloy extruded industry at home, aluminum alloy pattern plate replace plank or steel pipe to become
A kind of trend.However, in aluminum alloy mould plate section, not only the mold design difficulty of wall column inner corner trim (as shown in Figure 1) is maximum, and
And need to supply using 6061 aluminium alloys, T6 states, also require to carry out the ageing treatments such as water quenching, the deformation of section bar during extruding production
Amount is big, processing difficulties, especially wall unevenness, small opening, big pressure-bearing surface wall column inner corner trim deflection it is more unmanageable.It is existing
Have in technology, generally use tearing notch divergent die design overcomes above-mentioned difficulties, but this design structure mould maintenance difficult and on
Machine qualification rate is low, and the later stage also needs to use tearing notch process, and tearing notch process work consuming, time-consuming, and tear the section bar after opening due to
Opening size changes greatly, it is also necessary to carries out Shape correction.
The content of the invention
The technical problems to be solved by the invention are：The high small opening of a kind of easy to process and upper machine qualification rate is provided to hold greatly
Pressure surface shading type the Aluminum-Extruding Die.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of small big pressure-bearing surface shading type of opening
The Aluminum-Extruding Die, including flow-guilding mold and type pad mould, and shunting bridge is distributed with the feed plane of the flow-guilding mold, and the shunting bridge includes
Center shunts bridge and circumferential shunting bridge, and tap hole is formed between the circumferential shunting bridge；The type pad mould is equipped with soldering into charge level
Room, discharge feed side are equipped with the empty knife layer in outlet, work band are equipped between the bonding container and outlet sky knife layer.
The beneficial effects of the present invention are：Shunting bridge in center is equipped with the middle part of big pressure-bearing surface, the screening of bridge is shunted by center
Do not allow aluminum metal to fling under gear, the extruding force of middle part cantilever part is significantly reduced, the intensity of cantilever is guaranteed.2700 tons of machines
Extruding production, extrudes barrel dliameter φ 258MM, and the entry value of general tap hole takes φ 218~φ 228MM, because using high-quality ingot casting,
The surface quality of ingot casting is good, increases approach as far as possible, reduces propagation, reduces the extruding force of core, tap hole
Entry value can be taken as φ 240MM.It is fed using four tap holes, 26~45MM is taken according to 2700 tons of machine tonnage bridges are wide, further accordance with
Extrude section wall thickness, the alloy composition, soldering requirement, the span of bridge and the flow-guilding mold thickness that extrude etc. and close eventually and consider, the width of bridge
Value is 34MM.Determine that the depth of bonding container is that more than bridge wide half aluminum alloy pattern plate soldering will according to 2700 tons of machine tonnages
Ask especially high, the depth of bonding container takes 35MM.Mould is padded to make to be pressed onto type in the middle part of flow-guilding mold extrusion process, reserved protection mould squeezes
The amount of staying of journey is pressed through, the middle part sinking 1MM of flow-guilding mold outlet side, it is ensured that type pads the intensity of mould.The mould of structure of the present invention,
Reasonable in design, profile size is stablized, and upper machine qualification rate is high, and mould throughput is big, service life length.Aluminium using the present invention
Extrusion die carries out wall column inner corner trim processing, and easy to operate, processing effect is good, avoids in conventional processes and is shunted using tearing notch
Numerous and diverse processes such as mould design.
Brief description of the drawings
Fig. 1 is the structure diagram of the section bar of prior art processing；
Fig. 2 is the structure diagram of the big pressure-bearing surface shading type the Aluminum-Extruding Die of small opening of the embodiment of the present invention 1~3；
Fig. 3 is the right view of the big pressure-bearing surface shading type the Aluminum-Extruding Die of small opening of the embodiment of the present invention 1~3；
Fig. 4 is the structure diagram of the flow-guilding mold of the embodiment of the present invention 1~3；
Fig. 5 is the right view of the flow-guilding mold of the embodiment of the present invention 1~3；
Fig. 6 is that the type of the embodiment of the present invention 1~3 pads the structure diagram of mould；
Fig. 7 is that the type of the embodiment of the present invention 1~3 pads the left view of mould；
Fig. 8 is the structure diagram for the section bar that the shading type aluminium alloy extrusion mould of 1-3 of the embodiment of the present invention processes.
Label declaration：
1st, flow-guilding mold；11st, tap hole；121st, center shunting bridge；122nd, circumferential shunting bridge；2nd, type pad mould；21st, first layer welds
Close room；22nd, second layer bonding container；23rd, barrier wall；24th, empty knife layer is exported.
Embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：It is fed the tap hole from flow-guilding mold in feed plane to flow into, is squeezed through section bar mould
From the empty knife layer discharging in outlet after molded, due to there is shunting bridge to block in the middle part of flow-guilding mold, do not allow aluminum metal to fling, make middle part suspended wall
Partial extruding force significantly reduces, and the intensity of cantilever is guaranteed.
A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold and type pad mould, the confession of the flow-guilding mold
Shunting bridge is distributed with charge level, the shunting bridge includes center shunting bridge and circumferential shunting bridge, formed between the circumferential shunting bridge
Tap hole；The type pad mould is equipped with bonding container into charge level, and discharge feed side is equipped with the empty knife layer in outlet, the empty knife of the bonding container and outlet
Work band is equipped between layer.
The beneficial effects of the present invention are：Shunting bridge in center is equipped with the middle part of big pressure-bearing surface, the screening of bridge is shunted by center
Do not allow aluminum metal to fling under gear, the extruding force of middle part cantilever part is significantly reduced, the intensity of cantilever is guaranteed.2700 tons of machines
Extruding production, extrudes barrel dliameter φ 258MM, and the entry value of general tap hole takes φ 218~φ 228MM, because using high-quality ingot casting,
The surface quality of ingot casting is good, increases approach as far as possible, reduces propagation, reduces the extruding force of core, tap hole
Entry value can be taken as φ 240MM.It is fed using four tap holes, 26~45MM is taken according to 2700 tons of machine tonnage bridges are wide, further accordance with
Extrude section wall thickness, the alloy composition, soldering requirement, the span of bridge and the flow-guilding mold thickness that extrude etc. and close eventually and consider, the width of bridge
Value is 34MM.Determine that the depth of bonding container is that more than bridge wide half aluminum alloy pattern plate soldering will according to 2700 tons of machine tonnages
Ask especially high, the depth of bonding container takes 35MM.Mould is padded to make to be pressed onto type in the middle part of flow-guilding mold extrusion process, reserved protection mould squeezes
The amount of staying of journey is pressed through, the middle part sinking 1MM of flow-guilding mold outlet side, it is ensured that type pads the intensity of mould.The mould of structure of the present invention,
Reasonable in design, profile size is stablized, and upper machine qualification rate is high, and mould throughput is big, service life length.Aluminium using the present invention
Extrusion die carries out wall column inner corner trim processing, and easy to operate, processing effect is good, avoids in conventional processes and is shunted using tearing notch
Numerous and diverse processes such as mould design.
The intensity of type pad mould is further improved, is exactly to reduce the extruding force for acting on mould as far as possible, increases mould
The entrance side of shunting bridge, is designed to inclined-plane by mobility, makes conical surface pan feeding, reduces the pressure-bearing surface that metal flings part, is reduced
Act on the extruding force on bridge.The junction on inclined-plane and shunting bridge uses R10 round-corner transitions, the mobility of metal is reached preferable
Value, reduces frictional force, and the extruding force on bridge is acted in reduction.The outlet side of the center shunting bridge is that unilateral angle is
Bridge is made water-drop-shaped by 20 degree of the circular arc conical surface as far as possible, reduces frictional force, further reduces the extruding force of core.
Work band main function be：Stable article size and guarantee products surface quality.The length of work band is suitable,
With too short, mould is easy to wear, makes product size overproof, while easily the surface quality problems such as impression occurs for work；Work is with long
When it is also unfavorable, easily take binding metal in work, make product surface occur point, scratch the defects of.When pattern work band is set
Count unreasonable or processing quality it is not high when, extruded product occur wave, turn round twist and bending the defects of.
Determine that the rule of land length is as follows：(1) minimum length of work band, should ensure that stable extrusion product
Cross dimensions, and there is enough wearabilities.General work band minimum length is 1.5~3 millimeters.(2) band that works most greatly enhances
Degree, is come definite according to metal during extruding with the maximum effectively contact length of work interband.For aluminium alloy, work band is maximum
Length takes 8~12 millimeters, is usually no more than 15 millimeters.(3) due to extrude it is bigger, extrusion speed quickly, the length of extruded product
Degree is also longer, also different in the design of work band even waiting the section bar of wall thickness.(4) section configuration complexity, wall thickness
The section bar not waited, need to design unequal land length according to the difference of wall thickness change.(5) termination of type hole, extrusion cylinder
Work band at edge, thin-walled and at shunting bridge welding conjunction will suitably take shorter.At the middle part of type hole, heavy wall and divergent die flings place
Work band suitably to take it is long.According to section feature and wall thickness, the length value for the band that works is 4~10mm.
As can be seen from the above description, the beneficial effects of the present invention are：By adjusting work band length, the stream of adjustment metal stream
Dynamic property, it is ensured that mobility is consistent everywhere.
Further, the bonding container is bonding container twice, includes first layer bonding container and the second layer successively from right to left
Bonding container.
Further, the second layer bonding container is equipped with barrier wall.
As can be seen from the above description, the beneficial effects of the present invention are：Second layer bonding container is according to the wall thickness of section bar and from mould
The change of hole center distance, the mobility of metal stream is hindered with barrier wall.
Further, the width of the first layer bonding container is more than the width of second layer bonding container.
Further, the empty knife layer in the outlet is sequentially reduced from left to right for 4 layers and aperture, most inside outlet sky knife layer
Aperture is more than the width of the work band.
As can be seen from the above description, the beneficial effects of the present invention are：Outlet is using 4 layers of empty knife, it is ensured that type pads the support of mould
Intensity, while section bar can be allowed smoothly to extrude again, prevent stifled mould.
Further, the outlet sky knife amount of the most inside outlet sky knife layer is 1.4~1.6mm, is preferably 1.5mm.
As can be seen from the above description, the beneficial effects of the present invention are：Rationally design the empty knife amount in outlet, ensure aluminium quality and
Die life, not only avoid exporting that empty knife amount is too small causes aluminium material surface to scratch or block up mould, but also to avoid exporting empty knife excessive, weakens work
Make the intensity of band, cause the deformation of work band, be collapsed, reduces the service life of mould.
Further, the section for exporting empty knife layer is in class taper.
As can be seen from the above description, the beneficial effects of the present invention are：It is in class taper by the empty knife layer setting in outlet, more meets stream
Mechanics, beneficial to the outflow of metal stream, easy to the smooth extrusion of section bar.
Further, the mould thickness of the type pad mould is 130~150mm, it is preferable that the mould thickness is 140mm.
As can be seen from the above description, the beneficial effects of the present invention are：The intensity of mould is padded for guarantee type, by the thickness of type pad mould
It is arranged to 130~150mm.
Further, the Aluminum-Extruding Die further includes special-purpose cushion, and the special-purpose cushion is connected with type pad mould.
As can be seen from the above description, the beneficial effects of the present invention are：Special-purpose cushion is configured, increment type pads the support strength of mould.
Further, 4 tap holes are distributed with the feed plane of the flow-guilding mold.
It refer to shown in Fig. 2-8, the embodiment of the present invention one is：A kind of small big pressure-bearing surface shading type aluminum extrusion die of opening
Tool, including flow-guilding mold 1 and type pad mould 2, and shunting bridge is distributed with the feed plane of the flow-guilding mold 1, and the shunting bridge includes center
Bridge 121 and circumferential shunting bridge 122 are shunted, tap hole 11 is formed between the circumferential shunting bridge 122；Type pad mould 2 into charge level
Equipped with bonding container, discharge feed side is equipped with the empty knife layer 24 in outlet, and work band is equipped between the bonding container and outlet sky knife layer 24.It is described
The length of work band is 4mm.The bonding container is bonding container twice, includes first layer bonding container 21 and second successively from right to left
Layer bonding container 22.The second layer bonding container 22 is equipped with barrier wall 23.The width of the first layer bonding container 21 is more than second
The width of layer bonding container 22.The empty knife layer 24 in outlet is sequentially reduced from left to right for 4 layers and aperture, most inside outlet sky knife layer
24 aperture is more than the width of the work band.The outlet sky knife amount of the most inside outlet sky knife layer is 1.4mm.The empty knife in outlet
The section of layer 24 is in class taper.The mould thickness of the type pad mould 2 is 130mm.The Aluminum-Extruding Die further includes special-purpose cushion, described special
It is connected with pad with type pad mould 2.4 tap holes 11 are distributed with the feed plane of the flow-guilding mold 1.
Using the section bar sectional view after the Aluminum-Extruding Die processing of structure of the present invention as shown in figure 8, comparison diagram 1 and Fig. 8, figure
The section bar of 1 processing also needs the serial subsequent treatment such as tearing notch shaping, and the present invention then can directly process structure needed for wall internal corner column
Section bar.
The embodiment of the present invention two is：A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold 1 and type
Mould 2 is padded, shunting bridge is distributed with the feed plane of the flow-guilding mold 1, the shunting bridge includes center shunting bridge 121 and shunted with circumferential
Bridge 122, the circumferential formation tap hole 11 between shunting bridge 122；The type pad mould 2 is equipped with bonding container into charge level, and discharge feed side is set
There is the empty knife layer 24 in outlet, work band is equipped between the bonding container and outlet sky knife layer 24.The length of the work band is 6mm.
The bonding container is bonding container twice, includes first layer bonding container 21 and second layer bonding container 22 successively from right to left.Described
Two layers of bonding container 22 are equipped with barrier wall 23.The width of the first layer bonding container 21 is more than the width of second layer bonding container 22.
The empty knife layer 24 in outlet is sequentially reduced from left to right for 4 layers and aperture, and the most aperture of inside outlet sky knife layer 24 is more than described
The width of work band.The outlet sky knife amount of the most inside outlet sky knife layer is 1.5mm.Bored in class in the section of the empty knife layer 24 in outlet
Shape.The mould thickness of the type pad mould 2 is 140mm.The Aluminum-Extruding Die further includes special-purpose cushion, the special-purpose cushion and type pad mould
2 are connected.4 tap holes 11 are distributed with the feed plane of the flow-guilding mold 1.
The embodiment of the present invention three is：A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold 1 and type
Mould 2 is padded, shunting bridge is distributed with the feed plane of the flow-guilding mold 1, the shunting bridge includes center shunting bridge 121 and shunted with circumferential
Bridge 122, the circumferential formation tap hole 11 between shunting bridge 122；The type pad mould 2 is equipped with bonding container into charge level, and discharge feed side is set
There is the empty knife layer 24 in outlet, work band is equipped between the bonding container and outlet sky knife layer 24.The length of the work band is 10mm.
The bonding container is bonding container twice, includes first layer bonding container 21 and second layer bonding container 22 successively from right to left.Described
Two layers of bonding container 22 are equipped with barrier wall 23.The width of the first layer bonding container 21 is more than the width of second layer bonding container 22.
The empty knife layer 24 in outlet is sequentially reduced from left to right for 4 layers and aperture, and the most aperture of inside outlet sky knife layer 24 is more than described
The width of work band.The outlet sky knife amount of the most inside outlet sky knife layer is 1.6mm.Bored in class in the section of the empty knife layer 24 in outlet
Shape.The mould thickness of the type pad mould 2 is 150mm.The Aluminum-Extruding Die further includes special-purpose cushion, the special-purpose cushion and type pad mould
2 are connected.4 tap holes 11 are distributed with the feed plane of the flow-guilding mold 1.
The embodiment of the present invention four is：A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold 1 and type
Mould 2 is padded, shunting bridge is distributed with the feed plane of the flow-guilding mold 1, the shunting bridge includes center shunting bridge 121 and shunted with circumferential
Bridge 122, the circumferential formation tap hole 11 between shunting bridge 122；The type pad mould 2 is equipped with bonding container into charge level, and discharge feed side is set
There is the empty knife layer 24 in outlet, work band is equipped between the bonding container and outlet sky knife layer 24.The length of the work band is 5mm.
The bonding container is bonding container twice, includes first layer bonding container 21 and second layer bonding container 22 successively from right to left.Described
Two layers of bonding container 22 are equipped with barrier wall 23.The width of the first layer bonding container 21 is more than the width of second layer bonding container 22.
The empty knife layer 24 in outlet is sequentially reduced from left to right for 4 layers and aperture, and the most aperture of inside outlet sky knife layer 24 is more than described
The width of work band.The outlet sky knife amount of the most inside outlet sky knife layer is 1.55mm.The section of the empty knife layer 24 in outlet is in class
Taper.The mould thickness of the type pad mould 2 is 142mm.The Aluminum-Extruding Die further includes special-purpose cushion, the special-purpose cushion and the type pad
Mould 2 is connected.8 tap holes 11 are distributed with the feed plane of the flow-guilding mold 1.
The embodiment of the present invention five is：A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, including flow-guilding mold 1 and type
Mould 2 is padded, shunting bridge is distributed with the feed plane of the flow-guilding mold 1, the shunting bridge includes center shunting bridge 121 and shunted with circumferential
Bridge 122, the circumferential formation tap hole 11 between shunting bridge 122；The type pad mould 2 is equipped with bonding container into charge level, and discharge feed side is set
There is the empty knife layer 24 in outlet, work band is equipped between the bonding container and outlet sky knife layer 24.The length of the work band is 8mm.
The bonding container is bonding container twice, includes first layer bonding container 21 and second layer bonding container 22 successively from right to left.Described
Two layers of bonding container 22 are equipped with barrier wall 23.The width of the first layer bonding container 21 is more than the width of second layer bonding container 22.
The empty knife layer 24 in outlet is sequentially reduced from left to right for 4 layers and aperture, and the most aperture of inside outlet sky knife layer 24 is more than described
The width of work band.The outlet sky knife amount of the most inside outlet sky knife layer is 1.5mm.Bored in class in the section of the empty knife layer 24 in outlet
Shape.The mould thickness of the type pad mould 2 is 140mm.The Aluminum-Extruding Die further includes special-purpose cushion, the special-purpose cushion and type pad mould
2 are connected.2 tap holes 11 are distributed with the feed plane of the flow-guilding mold 1.
In conclusion the present invention provides a kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, the mould structure is simple,
Processing effect is good, and tearing notch process need to be used when avoiding traditional processing wall internal corner column.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, are directly or indirectly used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (10)
- A kind of 1. small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening, it is characterised in that：It is described to lead including flow-guilding mold and type pad mould Flow and shunting bridge is distributed with the feed plane of mould, the shunting bridge includes center shunting bridge and circumferential shunting bridge, the circumferential shunting Tap hole is formed between bridge；Type pad mould is equipped with bonding container into charge level, and discharge feed side is equipped with the empty knife layer in outlet, the bonding container with Work band is equipped between the empty knife layer in outlet.
- 2. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The work band Length be 4~10mm.
- 3. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The bonding container For bonding container twice, include first layer bonding container and second layer bonding container successively from right to left.
- 4. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 3, it is characterised in that：The second layer Bonding container is equipped with barrier wall.
- 5. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 3, it is characterised in that：The first layer The width of bonding container is more than the width of second layer bonding container.
- 6. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The outlet is empty Knife layer is sequentially reduced from left to right for 4 layers and aperture, and the most aperture of inside outlet sky knife layer is more than the width of the work band.
- 7. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 6, it is characterised in that：The most inner side The outlet sky knife amount of the empty knife layer in outlet is 1.4~1.6mm.
- 8. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The empty knife layer in outlet Section be in class taper.
- 9. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The type pads mould Mould thickness be 130~150mm.
- 10. the small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening according to claim 1, it is characterised in that：The aluminium extruded Compression mould further includes special-purpose cushion, and the special-purpose cushion is connected with type pad mould.
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|---|---|---|---|
| CN201711215776.5A CN107931347A (en) | 2017-11-28 | 2017-11-28 | A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening |
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|---|---|---|---|
| CN201711215776.5A CN107931347A (en) | 2017-11-28 | 2017-11-28 | A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000234A (en) * | 2018-12-29 | 2019-07-12 | 江阴市江顺模具有限公司 | A kind of sound equipment material aluminium alloy hot-extrusion die |
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| CN205110404U (en) * | 2015-10-20 | 2016-03-30 | 江阴市江顺模具有限公司 | Big section multimode core hot extrusion die |
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| CN107282680A (en) * | 2017-07-31 | 2017-10-24 | 广州科技职业技术学院 | Water conservancy diversion protects formula extrusion die |
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| JPS56165512A (en) * | 1980-05-22 | 1981-12-19 | Showa Alum Corp | Extruded aluminum shape |
| CN104741406A (en) * | 2013-12-31 | 2015-07-01 | 昆山捷安特轻合金科技有限公司 | Hot extrusion die with improved structure |
| CN204052414U (en) * | 2014-08-06 | 2014-12-31 | 黄石市宏佳模具有限公司 | A kind of shading type extrusion die |
| CN105170679A (en) * | 2015-09-08 | 2015-12-23 | 广州科技职业技术学院 | Aluminum profile double-hole extrusion mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110000234A (en) * | 2018-12-29 | 2019-07-12 | 江阴市江顺模具有限公司 | A kind of sound equipment material aluminium alloy hot-extrusion die |
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Inventor after: Wei Xiaobiao Inventor after: Zhou Ce Inventor after: Xu Jianyin Inventor after: Lin Guanglei Inventor after: Liu Qiong Inventor before: Wei Xiaobiao Inventor before: Xu Jianyin Inventor before: Lin Guanglei Inventor before: Liu Qiong |
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Application publication date: 20180420 |