CN107282680A - Water conservancy diversion protects formula extrusion die - Google Patents
Water conservancy diversion protects formula extrusion die Download PDFInfo
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- CN107282680A CN107282680A CN201710643282.0A CN201710643282A CN107282680A CN 107282680 A CN107282680 A CN 107282680A CN 201710643282 A CN201710643282 A CN 201710643282A CN 107282680 A CN107282680 A CN 107282680A
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- lower mould
- cantilever
- mould
- nib
- tap hole
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- 238000001125 extrusion Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 230000013011 mating Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 56
- 239000002184 metal Substances 0.000 abstract description 56
- 230000000694 effects Effects 0.000 abstract description 16
- 238000007493 shaping process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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)
- Extrusion Of Metal (AREA)
Abstract
Formula extrusion die is protected the invention discloses a kind of water conservancy diversion; including upper mould and lower mould; the lower mould is provided with the nib for being used for being molded semi-hollow profile; the upper mould is provided with the first tap hole and the second tap hole; provided with shunting bridge between first tap hole and second tap hole; when the upper mould coordinates with the lower mould, the shunting bridge close to the lower mould end face in the range of the nib is surrounded.Due to shunting end face of the bridge close to lower mould in the range of nib is surrounded, shunting bridge has the effect blocked to the cantilever surrounded by nib, in extruding, molten metal will not be caused to cantilever by the impact of upper mould to lower mould direction, while during extrusion forming, molten metal is flowed into by the first tap hole positioned at nib both sides, the second tap hole, and enter nib by the both sides of nib, the stress of cantilever can be reduced, that is, reduces the moment of flexure that cantilever root is subject to, the intensity of mould is improved.
Description
Technical field
The present invention relates to mould technical field, more particularly to a kind of water conservancy diversion protection formula extrusion die.
Background technology
With the continuous progress of manufacturing technology, occur in that different size and the section bar of kind, wherein semi-hollow profile should
With relatively broad.
The main production of semi-hollow profile is to carry out extrusion forming using mould.Semi-hollow profile has to be enclosed by nib
Into cantilever, because the design of conventional extruded mould has various defects, cause the stress of cantilever larger, easily bend.
The content of the invention
Based on this, the invention reside in overcome the defect of prior art there is provided a kind of water conservancy diversion protection formula of reduction cantilever force
Extrusion die.
Its technical scheme is as follows：
A kind of water conservancy diversion protects formula extrusion die, including upper mould and lower mould, and the lower mould, which is provided with, to be used to be molded semi-hollow profile
Nib, the upper mould is provided with the first tap hole and the second tap hole, first tap hole and second tap hole it
Between provided with shunting bridge, when the upper mould coordinates with the lower mould, the shunting bridge is located at described close to the end face of the lower mould
In the range of nib is surrounded.
Above-mentioned water conservancy diversion protects formula extrusion die, due to shunting end face of the bridge close to lower mould in the range of nib is surrounded, point
Stream bridge has the effect blocked to the cantilever surrounded by nib, and in extruding, molten metal will not be caused by upper mould to cantilever under
The impact in mould direction, while during extrusion forming, molten metal passes through the first tap hole positioned at nib both sides, the second tap hole stream
Enter, and enter nib by the both sides of nib, the power that molten metal of homonymy is not produced can cancel out each other, and can reduce the stress of cantilever,
The moment of flexure that cantilever root is subject to is reduced, the intensity of mould is improved.In addition, said structure do not have the core rod of traditional upper mould and under
The bonding container of mould, it is simple in construction, it is easy to process.
In one of the embodiments, the lower mould includes the first cantilever and the second cantilever surrounded by the nib, institute
The end for stating the first cantilever and second cantilever is oppositely arranged, and the nib includes being located at first cantilever and described second
Interval hole section between cantilever, the shunting bridge close to the side of the lower mould be provided with guiding gutter, first tap hole with
Second tap hole is connected by the guiding gutter, and the guiding gutter is oppositely arranged with the interval hole section.Said structure, leads
Chute can ensure that shunting bridge will not be covered to interval hole section, it is ensured that molten metal can smoothly enter interval hole section, while first
Molten metal in tap hole, the second tap hole enters along the hole section of interval along guiding gutter, and the direction of molten metal flowing is without just to the
The end of one cantilever and the second cantilever, can reduce and produce positive pressure to the end of the first cantilever and the second cantilever, improve
The intensity of mould.In addition the molten metal entered in guiding gutter is provided by the first tap hole, the second tap hole respectively, now not homonymy
The extruding force that molten metal is produced can be cancelled out each other, and the pressure produced to the end of the first cantilever and the second cantilever can be reduced as far as possible,
The molding effect of nib is ensure that, while improving mould strength.
In one of the embodiments, the width of the described one end of shunting bridge away from the lower mould is than the interval hole section
Big 2mm~the 4mm of length.Shunting bridge should ensure that will not occur under the impact of the molten metal in the first tap hole, the second tap hole
Moderate finite deformation, but the width of shunting bridge is also unsuitable excessive simultaneously, and crossing senior general increases the compression area of shunting bridge, while making shunting
Than reducing, cause the extruding force increase being subject to, therefore the width for shunting the one end of bridge away from the lower mould is set to than interval
Big 2mm~the 4mm of length of hole section.
In one of the embodiments, the shunting bridge is provided with the first chamfered section, described the close to one end of the lower mould
One chamfered section is oppositely arranged with the guiding gutter, and the two side of first chamfered section is identical with the angle of vertical direction, described
The angle of the two side of first chamfered section is 55 °~65 °.First tap hole falls with the molten metal in the second tap hole by first
The two side in corner enters in guiding gutter, therefore when the two side of the first chamfered section and the identical angle of vertical direction, it is different
The amount that tap hole enters the molten metal of guiding gutter is close, and the extruding force of generation can cancel out each other, and can reduce to the first cantilever, second
The extruding force of the end of cantilever, while when the angle of the two side of the first chamfered section is 55 °~65 °, the first chamfered section will not
Guide the effect to guiding gutter more preferable with the molten metal in tap hole, be conducive to being spaced the extrusion forming of hole section part.
In one of the embodiments, the shunting bridge is additionally provided with the second chamfered section and the 3rd close to one end of the lower mould
Chamfered section, second chamfered section, first chamfered section and the 3rd chamfered section along it is described shunting bridge length direction according to
Secondary to set, second chamfered section is oppositely arranged with first cantilever, and the 3rd chamfered section is relative with second cantilever
Set, the chamfering of second chamfered section and the 3rd chamfered section is 25 °~35 °.Second chamfered section and the 3rd chamfered section
Chamfering structure can ensure that the first tap hole, the molten metal in the second tap hole are more smoothly entered in nib, while molten metal
It is not by just entering nib to the direction of lower mould, can reduce to the first cantilever, second during being flowed along the inwall of shunting bridge
The impact of cantilever, improves the intensity of mould.
In one of the embodiments, when the upper mould coordinates with the lower mould, the shunting bridge is close to the lower mould
End face and the nib between minimum range be 3mm~5mm.Impact of the molten metal to cantilever now can have both been reduced, had been improved
The intensity of mould, will not also hinder molten metal to enter nib, it is ensured that the effect of shaping while shunting bridge.
In one of the embodiments, the shunting bridge coordinates with the lower die clearance, the shunting bridge and the lower mould
Between gap be 0.15mm~0.25mm.Shunting bridge can produce the flexure of the mould under when bearing the impact of molten metal, because
This sets gap in shunting bridge with lower intermode, touches lower mould when preventing shunting bridge from bending, pressure is produced to cantilever.Meanwhile,
Conference is crossed in gap causes metal to enter in gap, effect that can be to cantilever applying power, and gap is too small it cannot be guaranteed that shunting bridge
Lower mould will not be touched during flexure, is that gap is set to 0.15mm~0.25mm by this.
In one of the embodiments, inwall of first tap hole away from the shunting bridge is included along close to described point
The projection that Liu Qiao directions are set, the raised middle part for being located at the inwall, second tap hole and first tap hole
It is symmetrical arranged.Now the flow velocity of molten metal reaches unanimity everywhere in the first tap hole, will not be due to flow velocity everywhere in shaping
Difference causes the extruding force being subject to produce difference, can reduce the pressure to cantilever, while the first tap hole and the second tap hole pair
Claim to set, the flow of the molten metal of homonymy is not close, the extruding force that molten metal of homonymy is not produced when pressing shaping can be mutual
Offset, can also reduce the pressure to cantilever, improve the intensity of mould.
In one of the embodiments, the lower mould is provided with the work matched with the nib close to the side of the upper mould
Make band, the side wall of the work band is inclined-plane, and the nib is on the bottom surface of the work band.Work is with bootable molten metal
Into in nib, extruding force of the molten metal to lower mould and cantilever is reduced.
In one of the embodiments, above-mentioned water conservancy diversion protection formula extrusion die also includes locating part, and the lower mould is provided with recessed
Mouthful, the upper mould is provided with the protuberance matched with the recess, and the locating part wears the lower mould, and the upper mould is provided with
The mating holes matched with the locating part.The cooperation of protuberance and recess can prevent mould from occurring the feelings mutually translated with lower mould
Condition, locating part wears lower mould, and can coordinate with the mating holes of upper mould, can prevent mould from being produced relative rotation with lower mould, it is ensured that on
Mould coordinates stable with lower mould, is conducive to improving the effect of extrusion forming.
Brief description of the drawings
Fig. 1 is the top view of the water conservancy diversion protection formula extrusion die described in the embodiment of the present invention；
Fig. 2 for Fig. 1 A-A to sectional view；
Fig. 3 is the cooperation schematic diagram of the nib and shunting bridge described in the embodiment of the present invention；
Fig. 4 is the structural representation of the shunting bridge described in the embodiment of the present invention；
Fig. 5 is Fig. 4 K direction views；
Fig. 6 is Fig. 4 B-B direction sectional view；
Fig. 7 for Fig. 4 C-C to sectional view；
Fig. 8 for Fig. 4 D-D to sectional view；
Fig. 9 for Fig. 4 E-E to sectional view.
Description of reference numerals：
100th, upper mould, the 110, first tap hole, 111, raised, the 120, second tap hole, 130, shunting bridge, 131, water conservancy diversion
Groove, the 132, first chamfered section, the 133, second chamfered section, the 134, the 3rd chamfered section, 135,4th chamfering portion, 140, protuberance,
200th, lower mould, 210, nib, 211, interval hole section, the 220, first cantilever, the 230, second cantilever, 300, locating part.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough 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 can also have element 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.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
Heretofore described " first ", " second " do not represent specific quantity and order, are only used for the differentiation of title.
In the present embodiment, above-mentioned water conservancy diversion protection formula extrusion die is used to produce aluminium section bar, but the material of section bar also can be according to life
Production needs to be changed accordingly.
In the present embodiment, above-mentioned water conservancy diversion protection formula extrusion die is used to produce narrow long type of the cross-sectional aspect ratio more than 3 in midair
Cardioid material, but the difficulty for reduction mould processing and the consumption of reduction mold materials, also can protect formula extrusion die by above-mentioned water conservancy diversion
For producing other kinds of section bar.
As shown in Figure 1 to Figure 3, water conservancy diversion protection formula extrusion die includes upper mould 100 and lower mould 200, and lower mould 200, which is provided with, to be used for
The nib 210 of semi-hollow profile is molded, upper mould 100 is provided with the first tap hole 110 and the second tap hole 120, the first tap hole
110 and second between tap hole 120 provided with shunting bridge 130, when upper mould 100 and lower mould 200 coordinate, shunting bridge 130 is under
The end face of mould 200 is in the range of nib 210 is surrounded.Above-mentioned water conservancy diversion protects formula extrusion die, because shunting bridge 130 is close to lower mould
200 end face is in the range of nib 210 is surrounded, and the cantilever that 130 pairs of bridge of shunting is surrounded by nib 210 has the work blocked
With, in extruding, molten metal will not be caused to cantilever by the impact of upper mould 100 to the lower direction of mould 200, while during extrusion forming,
Molten metal is flowed into by the first tap hole 110 positioned at the both sides of nib 210, the second tap hole 120, and by the both sides of nib 210
Into nib 210, the power that molten metal of homonymy is not produced can cancel out each other, can reduce the pressure that cantilever is subject to, that is, reduce cantilever
The moment of flexure that root is born, improves the intensity of mould.In addition, said structure does not have the core rod of traditional upper mould 100 and lower mould 200
Bonding container, it is simple in construction, it is easy to process.
In the present embodiment, the external diameter of upper mould 100 and lower mould 200 is 200mm, and thickness is 65mm, now mould strength compared with
Greatly, while manufacturing cost is relatively low.
As shown in figure 3, lower mould 200 includes the first cantilever 220 and the second cantilever 230 surrounded by nib 210, the first cantilever
220 are oppositely arranged with the end of the second cantilever 230, and nib 210 includes being located between the first cantilever 220 and the second cantilever 230
Hole section 211 is spaced, shunting bridge 130 is provided with guiding gutter 131, the first tap hole 110 and the second shunting close to the side of lower mould 200
Hole 120 is connected by guiding gutter 131, and guiding gutter 131 is oppositely arranged with interval hole section 211.Said structure, guiding gutter 131 can be protected
Card shunting bridge 130 will not be covered to interval hole section 211, it is ensured that molten metal can smoothly enter interval hole section 211, while first
Molten metal in tap hole 110, the second tap hole 120 enters in the hole section 211 of interval along guiding gutter 131, the side of molten metal flowing
To without the end just to the first cantilever 220 and the second cantilever 230, the end to the first cantilever 220 and the second cantilever 230 can be reduced
Portion produces positive pressure, improves the intensity of mould.In addition the molten metal entered in guiding gutter 131 is respectively by the first tap hole
110th, the second tap hole 120 is provided, and the extruding force that now homonymy molten metal is not produced can cancel out each other, and can reduce as far as possible to first
The pressure that the end of the cantilever 230 of cantilever 220 and second is produced, it is ensured that the molding effect of nib 210, while it is strong to improve mould
Degree.
In the present embodiment, as shown in figure 1, the depth a of guiding gutter 131 is 16mm, now molten metal more can smoothly enter
Enter in guiding gutter 131, while the molten metal in guiding gutter 131 will not be produced to the end of the first cantilever 220 and the second cantilever 230
Larger pressure.
In the present embodiment, the end of the second cantilever 230 is provided with two deep-slotted chip breakers being oppositely arranged, and two deep-slotted chip breakers are the
Inner fovea part is surrounded on two cantilevers 230, two deep-slotted chip breakers are connected with interval hole section 211, and interval hole section 211 and two deep-slotted chip breakers are equal
In the range of the inwall of guiding gutter 131 is surrounded.Because the structure at the hole section 211 of interval is complex, to ensure molten metal
Smoothly enter interval hole section 211 and two deep-slotted chip breakers, by the scope covering interval hole section 211 of guiding gutter 131 and two deep-slotted chip breakers,
Ensure the effect of extrusion forming.
Optionally, as shown in Fig. 2 size b of the guiding gutter 131 on the length direction of nib 210 is 12mm, now both may be used
Ensure that molten metal smoothly enters nib 210, ensure that molten metal will not be produced to the end of the first cantilever 220, the second cantilever 230
Raw larger pressure.
As shown in Fig. 1 and Fig. 4, the length ds of the width c than being spaced hole section 211 of the one end of shunting bridge 130 away from lower mould 200
Big 2mm~4mm.Shunting bridge 130 should ensure that will not under the impact of the molten metal in the first tap hole 110, the second tap hole 120
Generation moderate finite deformation, but the width of shunting bridge 130 is also unsuitable excessive simultaneously, and crossing senior general increases the compression area of shunting bridge 130,
Reduce split ratio simultaneously, cause the extruding force increase being subject to, therefore the width that the one end of bridge 130 away from lower mould 200 will be shunted
It is set to the big 2mm~4mm of length than being spaced hole section 211.
Alternatively, the width c of the one end of shunting bridge 130 away from lower mould 200 is 24mm, now shunts bridge 130 and is both difficult hair
Change shape, while it is smaller to shunt influence of the bridge 130 to the mobility of molten metal.
As shown in Figures 4 to 6, shunting bridge 130 is additionally provided with the first chamfered section 132, the first chamfering close to one end of lower mould 200
Portion 132 is oppositely arranged with guiding gutter 131, and the two side of the first chamfered section 132 is identical with the angle of vertical direction, the first chamfered section
The angle of 132 two side is 55 °~65 °.First tap hole 110 falls with the molten metal in the second tap hole 120 by first
The two side in corner 132 enters in guiding gutter 131, therefore the two side when the first chamfered section 132 and the angle phase of vertical direction
Meanwhile, the amount that different tap holes enter the molten metal of guiding gutter 131 is close, and the extruding force of generation can cancel out each other, and can reduce pair
First cantilever 220, the extruding force of the end of the second cantilever 230, while when the angle of the two side of the first chamfered section 132 is 55 °
At~65 °, the first chamfered section 132 guides the molten metal in different tap holes to the effect in guiding gutter 131 more preferably, is conducive to
It is spaced the extrusion forming of the part of hole section 211.
Alternatively, the angle of the two side of the first chamfered section 132 is 60 °.Now the guiding effect of the first chamfered section 132 compared with
It is good.
As shown in Fig. 4 to Fig. 8, shunting bridge 130 is additionally provided with the second chamfered section 133 close to one end of lower mould 200 and fallen with the 3rd
Corner 134, the length direction of the second chamfered section 133, the first chamfered section 132 and the 3rd chamfered section 134 along shunting bridge 130 is set successively
Put, the second chamfered section 133 is oppositely arranged with the first cantilever 220, and the 3rd chamfered section 134 is oppositely arranged with the second cantilever 230, second
The chamfering of the chamfered section 134 of chamfered section 133 and the 3rd is 25 °~35 °.The chamfering of second chamfered section 133 and the 3rd chamfered section 134
Structure can ensure that the first tap hole 110, the molten metal in the second tap hole 120 are more smoothly entered in nib 210, while metal
It is not that by just entering nib 210 to the direction of lower mould 200, can reduce to the during inwall flowing of the liquid along shunting bridge 130
The impact of one cantilever 220, the second cantilever 230, improves the intensity of mould.
Alternatively, the chamfering of the second chamfered section 133 and the 3rd chamfered section 134 is 30 °, and the second chamfered section 133 is under
The width of the end face of mould 200 is 6mm, and the 3rd chamfered section 134 is 12mm close to the width of the end face of lower mould 200.Now shunt bridge
130 is preferable with the fiting effect of nib 210.
In the present embodiment, as shown in figure 9, shunting bridge 130 also includes 4th chamfering portion 135,4th chamfering portion 135 is located at the
Side of three chamfered sections 134 away from the first chamfered section 132, side T-shaped provided with indent of second cantilever 230 close to root is convex
Portion, 4th chamfering portion 135 is higher than the opposite side chamfering in 4th chamfering portion 135 at the side chamfering of T-shaped convex portion.
As shown in figure 3, when upper mould 100 and lower mould 200 coordinate, end face and nib of the shunting bridge 130 close to lower mould 200
Minimum range e between 210 is 3mm~5mm.Impact of the molten metal to cantilever now can have both been reduced, the intensity of mould has been improved, together
When shunting bridge 130 will not also hinder molten metal enter nib 210, it is ensured that the effect of shaping.
As shown in Fig. 2 shunting bridge 130 coordinates with the lower gap of mould 200, the gap f between shunting bridge 130 and lower mould 200 is
0.15mm~0.25mm.Shunting bridge 130 can produce the flexure of the mould 200 under when bearing the impact of molten metal, therefore divide
Gap is set between stream bridge 130 and lower mould 200, lower mould 200 is touched when preventing shunting bridge 130 from bending, pressure is produced to cantilever.
Meanwhile, conference is crossed in gap causes metal to enter in gap, effect that can be to cantilever applying power, and gap is too small it cannot be guaranteed that shunting bridge
130 will not touch lower mould 200 when bending, be that gap f is set to 0.15mm~0.25mm by this.Alternatively, bridge 130 is shunted
Gap f between lower mould 200 is 0.2mm, now can preferably reach the effect above.
As shown in figure 1, inwall of first tap hole 110 away from shunting bridge 130 includes setting along close to shunting bridge 130 direction
Projection 111, projection 111 is located at the middle part of inwall, and the second tap hole is symmetrical arranged with the first tap hole.Now the first tap hole
The flow velocity of molten metal reaches unanimity everywhere in 110, will not cause the extruding force being subject to due to flow velocity difference everywhere in shaping
Difference is produced, the pressure to cantilever can be reduced, while the first tap hole 110 is symmetrical arranged with the second tap hole 120, not homonymy
The flow of molten metal is close, and the extruding force that molten metal of homonymy is produced when pressing shaping can cancel out each other, and can also reduce pair
The pressure of cantilever, improves the intensity of mould.
The internal diameter of first tap hole 110 and the second tap hole 120 is no more than 110mm, the first tap hole 110 and second point
The split ratio of discharge orifice 120 is the 30%~40% of the extrusion ratio of semi-hollow profile extrusion forming, now the first tap hole 110 and the
The flow velocity of molten metal in two tap holes 120 everywhere is more consistent, while extruding force is mutually matched with shunting the width of bridge 130,
Be conducive to improving the intensity of mould and improve the quality of extrusion forming.
In the present embodiment, molten metal is extruded using extruder, the internal diameter of the recipient of extruder is 125mm, is squeezed
The ratio pressure of press is 653MPa, and extrusion ratio is 62.3, and the extruding force caused when now extruder is extruded is strong not over mould
Degree, while cost is relatively low.
Lower mould 200 is provided with the work band matched with nib 210 close to the side of upper mould 100, and the side wall of work band is oblique
Face, nib 210 is on the bottom surface of work band.Work enters in nib 210 with bootable molten metal, reduces molten metal to lower mould
200 and the extruding force of cantilever.
As shown in Fig. 2 above-mentioned water conservancy diversion protection formula extrusion die also includes locating part 300, lower mould 200 is provided with recess, upper mould
100 provided with the protuberance 140 matched with recess, and locating part 300 wears lower mould 200, and upper mould 100 is provided with and locating part 300
The mating holes of matching.The cooperation of protuberance 140 and recess can prevent mould 100 from occurring situation about mutually translating with lower mould 200, limit
Position part 300 wears lower mould 200, and can coordinate with the mating holes of upper mould 100, can prevent mould 100 from producing relative turn with lower mould 200
It is dynamic, it is ensured that upper mould 100 coordinates stable with lower mould 200, be conducive to improving the effect of extrusion forming.Alternatively, locating part 300 includes
Locating dowel and/or alignment pin.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply 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, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of water conservancy diversion protects formula extrusion die, it is characterised in that including upper mould and lower mould, the lower mould, which is provided with, to be used to be molded half
The nib of hollow profile, the upper mould is provided with the first tap hole and the second tap hole, first tap hole and described second
Provided with shunting bridge between tap hole, when the upper mould coordinates with the lower mould, end face of the shunting bridge close to the lower mould
In the range of the nib is surrounded.
2. water conservancy diversion according to claim 1 protects formula extrusion die, it is characterised in that the lower mould includes being enclosed by the nib
Into the first cantilever and the second cantilever, the end of first cantilever and second cantilever is oppositely arranged, and the nib includes
Interval hole section between first cantilever and second cantilever, the shunting bridge is set on the side of the lower mould
Have guiding gutter, first tap hole is connected with second tap hole by the guiding gutter, the guiding gutter and it is described between
It is oppositely arranged every hole section.
3. water conservancy diversion according to claim 2 protects formula extrusion die, it is characterised in that the shunting bridge is away from the lower mould
Length big 2mm~4mm of the width of one end than the interval hole section.
4. water conservancy diversion according to claim 2 protects formula extrusion die, it is characterised in that the shunting bridge is close to the lower mould
One end is provided with the first chamfered section, and first chamfered section is oppositely arranged with the guiding gutter, the two side of first chamfered section
Identical with the angle of vertical direction, the angle of the two side of first chamfered section is 55 °~65 °.
5. water conservancy diversion according to claim 4 protects formula extrusion die, it is characterised in that the shunting bridge is close to the lower mould
One end is additionally provided with the second chamfered section and the 3rd chamfered section, second chamfered section, first chamfered section and the 3rd chamfering
Length direction of the portion along the shunting bridge is set gradually, and second chamfered section is oppositely arranged with first cantilever, and described the
Three chamfered sections are oppositely arranged with second cantilever, and the chamfering of second chamfered section and the 3rd chamfered section is 25 °~
35°。
6. water conservancy diversion according to claim 1 protects formula extrusion die, it is characterised in that when the upper mould coordinates with the lower mould
When, minimum range of the shunting bridge between the end face and the nib of the lower mould is 3mm~5mm.
7. water conservancy diversion according to claim 1 protects formula extrusion die, it is characterised in that the shunting bridge and the lower die clearance
Coordinate, the gap between the shunting bridge and the lower mould is 0.15mm~0.25mm.
8. water conservancy diversion according to claim 1 protects formula extrusion die, it is characterised in that first tap hole is away from described point
Flowing the inwall of bridge is included along the projection set close to the shunting bridge direction, the raised middle part for being located at the inwall, described
Second tap hole is symmetrical arranged with first tap hole.
9. the water conservancy diversion protection formula extrusion die according to claim any one of 1-8, it is characterised in that the lower mould is close to described
The side of upper mould is provided with the work band matched with the nib, and the side wall of the work band is inclined-plane, and the nib is located at institute
On the bottom surface for stating work band.
10. the water conservancy diversion protection formula extrusion die according to claim any one of 1-8, it is characterised in that also including locating part, institute
Lower mould is stated provided with recess, the upper mould is provided with the protuberance matched with the recess, and the locating part wears the lower mould,
The upper mould is provided with the mating holes matched with the locating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643282.0A CN107282680B (en) | 2017-07-31 | 2017-07-31 | Flow guiding protection type extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643282.0A CN107282680B (en) | 2017-07-31 | 2017-07-31 | Flow guiding protection type extrusion die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107282680A true CN107282680A (en) | 2017-10-24 |
| CN107282680B CN107282680B (en) | 2020-06-30 |
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| CN201710643282.0A Expired - Fee Related CN107282680B (en) | 2017-07-31 | 2017-07-31 | Flow guiding protection type extrusion die |
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| Country | Link |
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| CN (1) | CN107282680B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931347A (en) * | 2017-11-28 | 2018-04-20 | 福建省南平铝业股份有限公司 | A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003211217A (en) * | 2002-01-21 | 2003-07-29 | Mitsubishi Alum Co Ltd | Die for extrusion processing and the extrusion processing method using the same |
| JP2007111718A (en) * | 2005-10-19 | 2007-05-10 | Aisin Keikinzoku Co Ltd | Extrusion die for multi-hole flat tube |
| CN104923581A (en) * | 2015-07-13 | 2015-09-23 | 广州科技职业技术学院 | Four-hole extrusion mold for aluminum profiles |
| CN105170680A (en) * | 2015-09-08 | 2015-12-23 | 广州科技职业技术学院 | Protective type double-hole extrusion mould for aluminum section bar |
| CN205650615U (en) * | 2016-02-29 | 2016-10-19 | 江苏亚太霍夫曼金属打印科技有限公司 | Aluminum profile extrusion die |
-
2017
- 2017-07-31 CN CN201710643282.0A patent/CN107282680B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003211217A (en) * | 2002-01-21 | 2003-07-29 | Mitsubishi Alum Co Ltd | Die for extrusion processing and the extrusion processing method using the same |
| JP2007111718A (en) * | 2005-10-19 | 2007-05-10 | Aisin Keikinzoku Co Ltd | Extrusion die for multi-hole flat tube |
| CN104923581A (en) * | 2015-07-13 | 2015-09-23 | 广州科技职业技术学院 | Four-hole extrusion mold for aluminum profiles |
| CN105170680A (en) * | 2015-09-08 | 2015-12-23 | 广州科技职业技术学院 | Protective type double-hole extrusion mould for aluminum section bar |
| CN205650615U (en) * | 2016-02-29 | 2016-10-19 | 江苏亚太霍夫曼金属打印科技有限公司 | Aluminum profile extrusion die |
Non-Patent Citations (1)
| Title |
|---|
| 邓汝荣等: "一种半空心铝型材导流遮盖式分流模结构", 《模具工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931347A (en) * | 2017-11-28 | 2018-04-20 | 福建省南平铝业股份有限公司 | A kind of small big pressure-bearing surface shading type the Aluminum-Extruding Die of opening |
| 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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| Publication number | Publication date |
|---|---|
| CN107282680B (en) | 2020-06-30 |
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