CN108160732A - A kind of mold suitable for tiny long cantilever beat - Google Patents
A kind of mold suitable for tiny long cantilever beat Download PDFInfo
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- CN108160732A CN108160732A CN201711402060.6A CN201711402060A CN108160732A CN 108160732 A CN108160732 A CN 108160732A CN 201711402060 A CN201711402060 A CN 201711402060A CN 108160732 A CN108160732 A CN 108160732A
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- lower die
- upper mold
- mold
- beat
- cantilever
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to mold machining technology fields, and in particular to a kind of mold suitable for tiny long cantilever beat, the upper die and lower die including interconnection；Tongue core is provided in the middle part of the upper mold, the direction of discharge of the tongue core from feed end to the upper mold of upper mold is set, and the discharge end for extending upper mold forms a protrusion, and the first work band is provided in the protrusion；Run through the tap hole of upper mold on the feed end periphery of the upper mold there are four settings, the tap hole to be evenly distributed on the surrounding of tongue core, shunting bridge is provided between the tap hole；The discharge end of the lower die from feed end to the lower die of lower die is disposed with bonding container, the second work band, lower die sky knife and discharge port；The beneficial effects of the present invention are：Method is flung by using dislocation work band and solves the problems, such as that long fine cantilever opening beat is scrapped, can ensure the metal of upper and lower mould for mobile equilibrium, and the section bar open dimensionally stable of production reduces beat and gives up mould, upper machine qualification rate height.
Description
Technical field
The present invention relates to mold machining technology fields, and in particular to a kind of mold suitable for tiny long cantilever beat.
Background technology
In recent years, as high buildings and large mansions increasingly become the mark and characteristic in a city, aluminium alloy engineering curtain wall material is set
Meter type also tends to specialize, this is higher and higher to the requirement of mold designer design level, and a kind of tubing belt length fine cantilever is opened
Mouth aluminium alloy curtain wall material is applied more and more extensive.
The cantilever opening of opening 4.2mm arm lengths 24.7mm, curtain wall tubing design difficulty is little for designer, but
It is the section bar for adding long small openings, just improves the difficulty of the stability in the intensity and extrusion process to design mold,
The balanced intensity for ensureing cantilever again that this kind of mold had both required metal to supply reaches support requirement, if lengthening lower die simply
Cantilever support will also result in cantilever beat to strengthen scraping collision support when cantilever intensity be easy to cause metal outflow.
If to small opening using false tongue core sealing design, although this design solves cantilever beat and gives up the asking of mould
Topic, but often occur uvula core beat wall thickness bias in extrusion process, cause opening size unstable, and Surface of profile is also
It will appear dreg defect, make maintenance difficult, upper machine qualification rate low, it is more that modulus amount is mixed in practice process.
In addition metal is avoided to fling the design method at cantilever if blocking opening method using cross-bridges, although solving cantilever
The problem of front is pressurized, but metal is reduced by the flow model at cantilever, cantilever compression is increased under metal accumulation bridge instead
Compression, and high to processing symmetry requirement, metal distribution imbalance in both sides also be easy to cause beat and scraps, practice process
In with lower die quantity it is more.
Invention content
The defects of in order to overcome the above-mentioned prior art, the technical problems to be solved by the invention are：There is provided one kind can protect
The metal of upper and lower mould is demonstrate,proved for mobile equilibrium, the section bar open dimensionally stable of production reduces beat and gives up mould, and upper machine qualification rate is high to be applicable in
In the mold of tiny long cantilever beat.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：One kind is suitable for tiny long cantilever beat
Mold, the upper die and lower die including interconnection；
Tongue core is provided in the middle part of the upper mold, the direction of discharge of the tongue core from feed end to the upper mold of upper mold is set
It puts, and the discharge end for extending upper mold forms a protrusion, and the first work band is provided in the protrusion；
Run through the tap hole of upper mold on the feed end periphery of the upper mold there are four settings, the tap hole to be uniformly distributed
Shunting bridge is provided between the surrounding of tongue core, the tap hole；
The discharge end of the lower die from feed end to the lower die of lower die is disposed with bonding container, the second work band, lower die
Empty knife and discharge port；Cantilever support is additionally provided between the lower die sky knife and discharge port；The lower die is additionally provided with drag
Chamber；The lower die cavity is provided with the cantilever opening being connected with cantilever support；
The length of the first work band is not equal to the length of the second work band.
Further, the thickness of the cantilever support is 1.3 times to 1.5 times of cantilever support length.
Further, the length of the first work band is less than the length of the second work band.
Further, the tap hole is triangular in shape along the cross section structure of charging extreme direction, the vertex of a triangle court
To the center of the feed end of upper mold.
Further, the shape of direction of discharge of the shunting bridge from the feed end of upper mold to upper mold is in water-drop-shaped.
Further, the feed end of the lower die is additionally provided with counter sink.
Further, the upper die and lower die are connected by screw with pin.
The beneficial effects of the present invention are：Method, which is flung, by using dislocation work band solves long fine cantilever opening beat report
The problem of useless, upper mold fling small opening using metal, the length of the first work band of opening tongue cored structure normal design
It takes shorter, helps to allow metal quickly to flow out work and reduce the stress accumulation that friction brings with contact surface, allow pressure abrupt release,
So as to reduce the impact to cantilever support.
The structure design advantages of simple of mold, metal fling opening, ensure that metal quickly flows out, due to lacked gear bridge or
Person vacation foreman, mold integral pressure is small, and small opening is worked using interior heterodyne with value, ensure that the metal of upper die and lower die for stream
Balance, the section bar open dimensionally stable of production reduce beat and give up mould, and machine qualification rate is high on mold, and throughput is big, long lifespan.
Description of the drawings
Fig. 1 is a kind of main view of the upper mold of mold suitable for tiny long cantilever beat of the specific embodiment of the invention
Figure；
Fig. 2 is the sectional view in A-A directions shown in FIG. 1；
Fig. 3 is the sectional view in B-B directions shown in FIG. 1；
Fig. 4 is a kind of main view of the lower die of mold suitable for tiny long cantilever beat of the specific embodiment of the invention
Figure；
Fig. 5 is the partial cutaway view in C-C directions shown in Fig. 4；
Fig. 6 is the partial enlarged view at D shown in Fig. 4；
Fig. 7 is a kind of section of the section bar of mold suitable for tiny long cantilever beat of the specific embodiment of the invention
Figure；
Label declaration：
1st, upper mold；11st, tongue core；111st, it is raised；12nd, the first work band；13rd, tap hole；14th, bridge is shunted；
2nd, lower die；21st, bonding container；22nd, the second work band；23rd, lower die sky knife；24th, discharge port；
25th, cantilever support；26th, lower die cavity；27th, cantilever is open；28th, counter sink.
Specific 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：Consider from metal outflow characteristic, method solution is flung using dislocation work band
The length of the problem of certainly long fine cantilever opening beat is scrapped, upper mold setting cantilever support, the first work band and the second work band
Value is different, and the value of interior outside work band should be short in foreign minister.
It please refers to shown in Fig. 1 to Fig. 7, a kind of mold suitable for tiny long cantilever beat, the upper mold 1 including interconnection
With lower die 2；
The middle part of the upper mold 1 is provided with tongue core 11, discharge end of the tongue core 11 from the feed end of upper mold 1 to upper mold 1
Direction is set, and the discharge end for extending upper mold 1 forms a protrusion 111, and the first work band 12 is provided on described raised 111；
There are four the tap holes 13 for running through upper mold for setting on the feed end periphery of the upper mold 1, and the tap hole 13 is
The even surrounding for being distributed in tongue core 11 is provided with shunting bridge 14 between the tap hole 13；
The discharge end of the lower die 2 from feed end to the lower die 2 of lower die 2 is disposed with the work band of bonding container 21, second
22nd, lower die sky knife 23 and discharge port 24；Cantilever support 25 is additionally provided between the lower die sky knife 23 and discharge port 24；Under described
Mould 2 is additionally provided with lower die cavity 26；The lower die cavity 26 is provided with the cantilever opening 27 being connected with cantilever support 25；
The length of the first work band 12 is not equal to the length of the second work band 22.
A kind of design process of above-mentioned mold suitable for tiny long cantilever beat is：Consideration goes out from metal outflow characteristic
Hair flings the die design method that method solves long fine cantilever opening beat and scrap using dislocation work band.
In the structured design process of upper mold 1, upper mold 1 first is to the structure normal design of tongue core 11, and tongue core 11 is from upper mold 1
Feed end to upper mold 1 direction of discharge set, and extend upper mold 1 discharge end formed a protrusion 111, protrusion 111
Upper the first work of setting band 12；Four tap holes 13 for running through upper mold, tap hole 13 are set on the feed end periphery of upper mold 1
The surrounding of tongue core 11 is evenly distributed on, shunting bridge 14 is provided between tap hole 13, small opening is flung using metal, opening
First work band 12 length value should be shorter.
In the structured design process of lower die 2, lower die 2, which cannot be done, hinders the barricade of metal flow or two level bonding container,
The work of bonding container 21, second band 22, lower die sky knife 23 are set gradually in the discharge end of lower die 2 from feed end to the lower die 2 of lower die 2
With discharge port 24, cantilever support 25 is set between lower die sky knife 23 and discharge port 24, lower die 2 is additionally provided with lower die cavity 26,
The cantilever opening 27 being connected with cantilever support 25 is provided in lower die cavity 26, it is contemplated that lateral surface metal fluidity is good, interior
Side metal poor fluidity, therefore the necessary value of the band that works is different, i.e., the length of the first work band 12 is not equal to the second work
With 22 length.
A kind of advantageous effect of above-mentioned mold suitable for tiny long cantilever beat is：By using dislocation work band
The method of flinging solves the problems, such as that long fine cantilever opening beat is scrapped, and upper mold 1 uses small opening 11 structure normal design of tongue core
Metal is flung, and the length of the first work band 12 of opening takes shorter, helps to allow metal quickly to flow out work and subtracts with contact surface
Rub the stress accumulation brought less, pressure abrupt release is allowed, so as to reduce the impact to cantilever support 25.
The structure design advantages of simple of mold, metal fling opening, ensure that metal quickly flows out, due to lacked gear bridge or
Person vacation foreman, mold integral pressure is small, and small opening is worked using interior heterodyne with value, ensure that the metal of upper mold 1 and lower die 2 supplies
Mobile equilibrium, the section bar open dimensionally stable of production reduce beat and give up mould, and machine qualification rate is high on mold, and throughput is big, long lifespan.
Further, the thickness of the cantilever support 25 is 1.3 times to 1.5 times of 25 length of cantilever support.
Seen from the above description, the thickness of cantilever support 25 should not support long, the general value of thickness of cantilever support 25
For the length of 1.3~1.5 times of cantilever support 25, and the lower die sky knife 23 of 25 end of cantilever support suitably amplifies, and prevents gold
Belong to discharging top and cause beat to empty knife.
Further, the length of the first work band 12 is less than the length of the second work band 22.
Seen from the above description, short in the necessary foreign minister of work band value in interior outside, i.e., the length of the first work band 12 is small
In the length of the second work band 22, inside work band takes short, and the discharging of ideal metal is most got outta there at discharge port 24, medial surface
Metal outflow is faster than lateral surface, and such metal will not just accumulate friction generation to the compression of cantilever support, pressure moment is allowed to release
It puts, so as to reduce the impact to cantilever support 25.
Further, the tap hole 13 is triangular in shape along the cross section structure of charging extreme direction, the vertex of a triangle
Towards the center of the feed end of upper mold 1.
Seen from the above description, by the way that the section of tap hole 13 is designed to triangle, it then follows the original of triangle stability
Then, the ovality tolerance of section bar is preferably ensured.
Further, the shape of direction of discharge of the shunting bridge 14 from the feed end of upper mold 1 to upper mold 1 is in water droplet
Shape.
Seen from the above description, by the way that the structure setting of bridge 14 will be shunted into drops, frictional force can not only be reduced, also
The extruding force acted on shunting bridge can be reduced, provides best support by the bridge of bending, mould strength, stability are best.
Further, the feed end of the lower die 2 is additionally provided with counter sink 28.
Seen from the above description, can closely match when lower die 2 sets counter sink 28 that can ensure that upper mold 1 and lower die 2 connect
It closes, improves leakproofness.
Further, the upper mold 1 is connected with lower die 2 by screw with pin.
Seen from the above description, upper mold 1 and lower die 2 are reduced the trepanning on mold, are increased by screw and pin close-fitting
The intensity of mold.
It please refers to shown in Fig. 1 to Fig. 7, the embodiment of the present invention one is：
A kind of mold suitable for tiny long cantilever beat, upper mold 1 and lower die 2 including interconnection；
The middle part of the upper mold 1 is provided with tongue core 11, discharge end of the tongue core 11 from the feed end of upper mold 1 to upper mold 1
Direction is set, and the discharge end for extending upper mold 1 forms a protrusion 111, and the first work band 12 is provided on described raised 111；
There are four the tap holes 13 for running through upper mold for setting on the feed end periphery of the upper mold 1, and the tap hole 13 is
The even surrounding for being distributed in tongue core 11 is provided with shunting bridge 14 between the tap hole 13；
The discharge end of the lower die 2 from feed end to the lower die 2 of lower die 2 is disposed with the work band of bonding container 21, second
22nd, lower die sky knife 23 and discharge port 24；Cantilever support 25 is additionally provided between the lower die sky knife 23 and discharge port 24；Under described
Mould 2 is additionally provided with lower die cavity 26；The lower die cavity 26 is provided with the cantilever opening 27 being connected with cantilever support 25；
The length of the first work band 12 is not equal to the length of the second work band 22.
The thickness of the cantilever support 25 is 1.3 times to 1.5 times of 25 length of cantilever support.
The length of the first work band 12 is less than the length of the second work band 22.
The tap hole 13 is triangular in shape along the cross section structure of charging extreme direction, and the vertex of a triangle is towards upper mold 1
Feed end center.
The shape of direction of discharge of the shunting bridge 14 from the feed end of upper mold 1 to upper mold 1 is in water-drop-shaped.
The feed end of the lower die 2 is additionally provided with counter sink 28.
The upper mold 1 is connected with lower die 2 by screw with pin.
In conclusion a kind of mold suitable for tiny long cantilever beat provided by the invention, by using dislocation work
Band flings method and solves the problems, such as that long fine cantilever opening beat is scrapped, and upper mold uses small opening tongue cored structure normal design
Metal is flung, and the length of the first work band of opening takes shorter, helps to allow metal quickly to flow out work band contact surface reduction
Rub the stress accumulation brought, pressure abrupt release is allowed, so as to reduce the impact to cantilever support.
The structure design advantages of simple of mold, metal fling opening, ensure that metal quickly flows out, due to lacked gear bridge or
Person vacation foreman, mold integral pressure is small, and small opening is worked using interior heterodyne with value, ensure that the metal of upper die and lower die for stream
Balance, the section bar open dimensionally stable of production reduce beat and give up mould, and machine qualification rate is high on mold, and throughput is big, long lifespan.
The thickness of cantilever support should not support long, and the general value of thickness of cantilever support is 1.3~1.5 times of cantilever branch
The length of support, and the lower die sky knife of cantilever support end suitably amplifies, and prevents metal discharging top from causing beat to empty knife.
Short in the necessary foreign minister of work band value in interior outside, i.e., the length of the first work band is less than the length of the second work band
Degree, inside work band take short, and the discharging of ideal metal is that discharge outlet most gets outta there, and the outflow of medial surface metal is faster than lateral surface,
Metal will not just accumulate friction and generate to the compression of cantilever support in this way, allow pressure abrupt release, so as to reduce to cantilever branch
The impact of support.
By the way that the section of tap hole is designed to triangle, it then follows the principle of triangle stability, the ovality of section bar are public
Difference is preferably ensured.
Structure setting by that will shunt bridge can not only reduce frictional force into drops, moreover it is possible to which reduction acts on shunting
Extruding force on bridge provides best support by the bridge of bending, and mould strength, stability are best.
It can be fitted close when lower die setting counter sink can ensure upper die and lower die connection, improve leakproofness.
Upper die and lower die reduce the trepanning on mold, increase the intensity of mold by screw and pin close-fitting.
The foregoing is merely the embodiment of the present invention, are 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 directly or indirectly are used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (7)
- A kind of 1. mold suitable for tiny long cantilever beat, which is characterized in that the upper die and lower die including interconnection；Tongue core is provided in the middle part of the upper mold, the direction of discharge of the tongue core from feed end to the upper mold of upper mold is set, and The discharge end for extending upper mold forms a protrusion, and the first work band is provided in the protrusion；Run through the tap hole of upper mold on the feed end periphery of the upper mold there are four settings, the tap hole to be evenly distributed on tongue The surrounding of core is provided with shunting bridge between the tap hole；The discharge end of the lower die from feed end to the lower die of lower die is disposed with bonding container, the second work band, lower die sky knife And discharge port；Cantilever support is additionally provided between the lower die sky knife and discharge port；The lower die is additionally provided with lower die cavity；Institute It states lower die cavity and is provided with the cantilever opening being connected with cantilever support；The length of the first work band is not equal to the length of the second work band.
- 2. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the cantilever support Thickness is 1.3 times to 1.5 times of cantilever support length.
- 3. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the first work band Length be less than second work band length.
- 4. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the tap hole along into Expect that the cross-sectional structure of extreme direction is triangular in shape, the vertex of a triangle is towards the center of upper mold feed end.
- 5. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the shunting bridge is from upper The shape of the feed end of mould to the direction of discharge of upper mold is in water-drop-shaped.
- 6. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the charging of the lower die End is additionally provided with counter sink.
- 7. the mold according to claim 1 suitable for tiny long cantilever beat, which is characterized in that the upper die and lower die It is connected by screw with pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402060.6A CN108160732A (en) | 2017-12-22 | 2017-12-22 | A kind of mold suitable for tiny long cantilever beat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402060.6A CN108160732A (en) | 2017-12-22 | 2017-12-22 | A kind of mold suitable for tiny long cantilever beat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108160732A true CN108160732A (en) | 2018-06-15 |
Family
ID=62523591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402060.6A Withdrawn CN108160732A (en) | 2017-12-22 | 2017-12-22 | A kind of mold suitable for tiny long cantilever beat |
Country Status (1)
| Country | Link |
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| CN (1) | CN108160732A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU871870A1 (en) * | 1980-01-31 | 1981-10-15 | Предприятие П/Я В-2996 | Combination female die for pressing hollow sections |
| SU1039604A1 (en) * | 1980-07-21 | 1983-09-07 | Красноярский Ордена Трудового Красного Знамени Институт Цветных Металлов Им.М.И.Калинина | Female die for pressing articles from pellets in container |
| CN201271671Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-cantilever multi-mould core hot extrusion die |
| CN201271662Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-mould core large-scale industry section bar hot extrusion die |
| CN201455036U (en) * | 2009-03-26 | 2010-05-12 | 黄石市宏佳模具有限公司 | Long-life extruding die of danger cantilever |
| CN201534183U (en) * | 2009-11-05 | 2010-07-28 | 广东兴发铝业有限公司 | Building industrial aluminum profile extrusion die for flat square tubes with feet |
-
2017
- 2017-12-22 CN CN201711402060.6A patent/CN108160732A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU871870A1 (en) * | 1980-01-31 | 1981-10-15 | Предприятие П/Я В-2996 | Combination female die for pressing hollow sections |
| SU1039604A1 (en) * | 1980-07-21 | 1983-09-07 | Красноярский Ордена Трудового Красного Знамени Институт Цветных Металлов Им.М.И.Калинина | Female die for pressing articles from pellets in container |
| CN201271671Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-cantilever multi-mould core hot extrusion die |
| CN201271662Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Multi-mould core large-scale industry section bar hot extrusion die |
| CN201455036U (en) * | 2009-03-26 | 2010-05-12 | 黄石市宏佳模具有限公司 | Long-life extruding die of danger cantilever |
| CN201534183U (en) * | 2009-11-05 | 2010-07-28 | 广东兴发铝业有限公司 | Building industrial aluminum profile extrusion die for flat square tubes with feet |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Xiang Inventor after: Zhou Ce Inventor after: Min Aiwu Inventor before: Huang Xiang Inventor before: Min Aiwu |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180615 |