CN107695121B - Extrusion apparatus and extrusion method for manufacturing variable curvature extrusions - Google Patents
Extrusion apparatus and extrusion method for manufacturing variable curvature extrusions Download PDFInfo
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- CN107695121B CN107695121B CN201611003122.1A CN201611003122A CN107695121B CN 107695121 B CN107695121 B CN 107695121B CN 201611003122 A CN201611003122 A CN 201611003122A CN 107695121 B CN107695121 B CN 107695121B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000001125 extrusion Methods 0.000 title abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 8
- 240000005373 Panax quinquefolius Species 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 208000032765 Device extrusion Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 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
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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- 238000013000 roll bending Methods 0.000 description 1
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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
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
Abstract
The invention discloses an extrusion device for manufacturing an extrusion piece with variable curvature, which comprises: a spindle containing barrel for containing a spindle; an extrusion plunger for extending into the ingot containing barrel and extruding the extruded ingot along a first axial direction; a fixed mould, which comprises an opening, wherein the opening is communicated with the ingot containing barrel; and a double-acting mold, including a through hole and a first module, the through hole communicates the opening, when an outlet mold cavity is defined between the first module and the through hole, and the first module moves to a first displacement outside the outlet mold cavity along the first axial direction, the extrusion plunger makes the extruded ingot flow out from the outlet mold cavity to form a first extruded piece, and a first friction force is provided between the first extruded piece and the part of the first module protruding out of the outlet mold cavity, thereby the first extruded piece is bent towards a first curve direction.
Description
Technical field
The present invention squeezes type to manufacture variable curvature about a kind of crowded type device and crowded type method, especially with regard to one kind
The crowded type device of part and crowded type method can be such that a crowded type part is bent towards a direction of a curve.
Background technique
Crowded type refer to by material by fashion of extrusion form, principle be by squeeze wood/squeeze ingot by appropriate heating and add
Pressure, constant speed squeezes into mold required shape, size and the product of physical property is made, therefore is suitble to the metal and plastics of easy moulding
The processing of finished product.The type of squeezing and human lives are closely bound up, are all largely made from tableware, electronic product to auto industry and building etc.
With.
However, generally crowded type device bar produced, profile, tubing ... etc., can only make straight line according to crowded type direction and squeeze
Pressure must then pass through the engineering methods such as punching press, bending two when the circular arc type extrusion section bar in order to meet different purposes in each industrial circle
Secondary forming.For example, being bent single type conventionally by roll bending or bending when manufacturing curved extrudate during the type of squeezing
Material, and production efficiency when manufacturing increase dependent on extrusion speed used when squeezing, but extrusion speed needed for extruding pressure
Power is opposite to be improved, while being limited to squeeze type device extrusion ability.
Summary of the invention
In view of this, therefore, it is just in need that a kind of crowded type device and crowded type that type part is squeezed to manufacture variable curvature is provided
Method, it is aforementioned to solve the problems, such as.
The main purpose of the present invention is to provide a kind of crowded type devices that type part is squeezed to manufacture variable curvature, and one can be made to squeeze
Type part is bent towards a direction of a curve.
A kind of crowded type device squeezing type part to manufacture variable curvature provided by the invention, comprising:
One contains ingot bucket, to accommodate a crowded ingot；
One squeezes plunger, to protrude into the Sheng ingot bucket, and squeezes ingot to this along a first axis and squeezes；One fixed mould
Tool, including an opening, the open communication Sheng ingot bucket；And
One double-lift mold is connected to the fixed mold, and including a perforation and one first module, perforation connection should
Opening, which is located in the perforation, and first module selectively moves linearly or not with respect to the fixed mold
It is mobile, in which:
There is an outlet die cavity when defining between first module and the perforation, and first module is moved along the first axis
One first displacement outside to the outlet die cavity, then the extruding plunger makes the crowded ingot flow out from the outlet die cavity and form one first and squeeze
Type part, the first crowded type part and first module, which protrude from, has one first frictional force between the part outside the outlet die cavity, borrow
This is bent the first crowded type part towards one first direction of a curve, which refers to curved around one second axial positive direction
Bent direction, and the second axial positive direction is perpendicular to the first axis.
The double-lift mold further includes:
One second module is also located in the perforation, and with respect to the fixed mold, selective straight line moves second module
It moves or does not move, in which:
When definition has an outlet die cavity between first module and the second module and the perforation, and second module along this
One when moving axially to the second displacement outside the outlet die cavity, then the extruding plunger make this squeeze ingot from outlet die cavity outflow and
One second crowded type part is formed, the second crowded type part and second module, which protrude between the part outside the outlet die cavity, has one the
Two frictional force are bent the second crowded type part towards one second direction of a curve, which refers to around second axis
To the curved direction of negative direction.
The double-lift mold further includes:
Third module and the 4th module are also located in the perforation, and the third and the 4th module are with respect to the fixed mold
And selectivity moves linearly or does not move, in which:
When first module to definition between the 4th module and the perforation has an outlet die cavity, and the third module along this
When one third for moving axially to outside the outlet die cavity is displaced, then the extruding plunger flows out the crowded ingot from the outlet die cavity,
And form a third and squeeze type part, which squeezes type part and the third module protrudes between the part outside the outlet die cavity with one
Third frictional force makes the third squeeze type part whereby and is bent towards a third direction of a curve, which refers to around a third
The axial curved direction of positive direction, and the positive direction of third axial direction is perpendicular to the first axis and second axial direction；And
When first module to definition between the 4th module and the perforation has an outlet die cavity, and the 4th module along this
One move axially to outside the outlet die cavity one the 4th displacement when, then the extruding plunger make this squeeze ingot from the outlet die cavity flow out,
And one the 4th crowded type part is formed, the 4th crowded type part and the 4th module protrude between the part outside the outlet die cavity with one
4th frictional force is bent the 4th crowded type part towards one the 4th direction of a curve, and the 4th direction of a curve refers to around the third
The axial curved direction of negative direction.
When first module to definition between the 4th module and the perforation has an outlet die cavity, and this first and third module
When being displaced along the first displacement and third that the first axis is respectively moved to outside the outlet die cavity, then the extruding plunger makes this squeeze ingot
It is flowed out from the outlet die cavity, and forms one the 5th crowded type part, the 5th crowded type part is protruded from first module and third module
It is respectively provided with first frictional force and third frictional force between part outside the outlet die cavity, makes the 5th crowded type part towards one whereby
The bending of 5th direction of a curve, the 5th direction of a curve, which refers to, makes a reservation for the axial curved direction of positive direction around one, this is predetermined axial
Between the positive direction of the second axial positive direction and third axial direction.
First module to the 4th module is rectangular or arc-shaped section.
First module is arranged to the 4th module with circular symmetric.
When first displacement is bigger, then the first crowded type part is bent bigger towards first direction of a curve.
The double-lift mold further includes:
At least one pushes voussoir, is moved forward and backward to control first module along the first axis.
The above-mentioned crowded type device that type part is squeezed to manufacture variable curvature, further includes:
One punching axle protrudes into the outlet die cavity.
The present invention also provides a kind of crowded type methods that type part is squeezed to manufacture variable curvature, including the following steps:
Ingot is squeezed to this along a first axis to squeeze；And
There is an outlet die cavity when defining between the first module of a double-lift mold and a perforation of the double-lift mold, and
First module is moved to one first displacement outside the outlet die cavity along the first axis, then this is made to squeeze ingot from the outlet die cavity stream
One first crowded type part is formed out, and the first crowded type part and first module protrude to be had between the part outside the outlet die cavity
One first frictional force is bent the first crowded type part towards one first direction of a curve, which refers to around one
The two axial curved directions of positive direction, and the second axial positive direction is perpendicular to the first axis.
The crowded type device that type part is squeezed to manufacture variable curvature of the invention has an advantage that one, breakthrough mold
It is developed with processing procedure, changes the crowded type of tradition and be bent the natural mode that processing procedure need to be bent by complex external mechanism online.Two, high
When the bending forming of adiabator plastic zone, the stress-retained and elastic recoil metaboly that mechanical bend generates can avoid.Three, fixed
The mechanism summary of formula mold and double-lift mold saves die manufacturing cost.Four, reduce entirely crowded type equipment and time at
This, promotes industrial benefit and makes a profit.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section for squeezing the crowded type device of type part to manufacture variable curvature of the first embodiment of the present invention；
Fig. 2 is that the part isometric to manufacture the crowded type device that variable curvature squeezes type part of the first embodiment of the present invention shows
It is intended to；
Fig. 3 is the section signal for squeezing the crowded type device of type part to manufacture variable curvature of the first embodiment of the present invention
Figure, the first crowded type part of display are bent towards one first direction of a curve；
Fig. 4 is the section signal for squeezing the crowded type device of type part to manufacture variable curvature of the first embodiment of the present invention
Figure, the second crowded type part of display are bent towards one second direction of a curve；
Fig. 5 is the front-view schematic diagram for squeezing the crowded type device of type part to manufacture variable curvature of the first embodiment of the present invention；
Fig. 6 is that the three-dimensional bar with square profile of the first embodiment of the present invention squeezes the stereoscopic schematic diagram of type part；
Fig. 7 is the front-view schematic diagram for squeezing the crowded type device of type part to manufacture variable curvature of another embodiment of the present invention；
Fig. 8 is that the three-dimensional bar with circular section of another embodiment of the present invention squeezes the stereoscopic schematic diagram of type part；
Fig. 9 is the section signal for squeezing the crowded type device of type part to manufacture variable curvature of the first embodiment of the present invention
Figure, display further include a punching axle；
Figure 10 a is that the three-dimensional tubing with square profile of the first embodiment of the present invention squeezes the stereoscopic schematic diagram of type part；
Figure 10 b is that the three-dimensional tubing with circular section of the first embodiment of the present invention squeezes the stereoscopic schematic diagram of type part；
Figure 11 a is the forward sight signal for squeezing the crowded type device of type part to manufacture variable curvature of the second embodiment of the present invention
Figure；And
Figure 11 b is the front-view schematic diagram for squeezing the crowded type device of type part to manufacture variable curvature of the third embodiment of the present invention.
[symbol description]
1 crowded type device；
1 ' squeezes type device；
1a squeezes type device；
1b squeezes type device；
11 contain ingot bucket；
12 squeeze plunger；
13 fixed molds；
131 openings；
132 first guide grooves；
133 second guide grooves；
14 double-lift molds；
140 push voussoir；
141 first modules；
141 ' first modules；
142 second modules；
142 ' second modules；
143 third modules；
143 ' third modules；
144 the 4th modules；
144 the 4th modules；
145 perforations；
150 outlet die cavitys；
150 ' outlet die cavitys；
151 first outlet die cavitys；
152 second outlet die cavitys；
16 punching axles；
9 crowded ingots；
90 three-dimensional bars squeeze type part；
90 ' three-dimensional bars squeeze type part；
90a three-dimensional tubing squeezes type part；
90b three-dimensional tubing squeezes type part；
91 first crowded type parts；
92 second crowded type parts；
A first axis；
The first direction of a curve of C1；
The second direction of a curve of C2；
C3 third direction of a curve；
The 4th direction of a curve of C4；
The 5th direction of a curve of C5；
D1 first is displaced；
D2 second displacement；
P is predetermined axial；
X second is axial；
Y third is axial；
The first frictional force of F1；
The second frictional force of F2.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Please refer to Fig. 1 to Fig. 5, the crowded type that type part is squeezed to manufacture variable curvature of the display first embodiment of the present invention
Device 1.It includes: that a Sheng ingot bucket 11, one squeezes plunger 12, a fixed mold 13 and a double-lift mold 14 that this, which squeezes type device 1,.
The Sheng ingot bucket 11 is to accommodate a crowded ingot 9.The material for squeezing ingot 9 can be the metal material or its alloy material of iron, aluminium, magnesium, titanium etc.
Matter.The extruding plunger 12 squeezes ingot 9 to this along a first axis A and squeezes to protrude into the Sheng ingot bucket 11.The fixed mould
Tool 13 includes an opening 131, which is connected to the Sheng ingot bucket 11.The double-lift mold 14 is connected to the fixed mold 13,
And including a perforation 145, the first module 141, the second module 142, third module 143 and the 4th module 144, which connects
Lead to the opening 131.First module 141, the second module 142, third module 143 and the 4th module 144 are all located at the perforation 145
Interior, the edge of adjacent block adjoins each other, and first module 141, the second module 142, third module 143 and the 4th module
144 are arranged with circular symmetric.First module 141, the second module 142, third module 143 and opposite this of the 4th module 144 are consolidated
Fixed pattern mold 13 and alternative linear movement are not moved, such as the fixed mold 13 has multiple first guide grooves 132, should
First module 141, the second module 142, third module 143 and the 4th module 144 can be along multiple the first of the fixed mold 13
Guide groove 132 and move linearly or do not move.The double-lift mold 14 further includes at least one promotion voussoir 140, to control this
One module 141, the second module 142, third module 143 and the 4th module 144 are moved forward and backward along first axis A.Citing, this is solid
Fixed pattern mold 13 has multiple second guide grooves 133, which is first to fourth voussoir, can fix along this
Multiple second guide grooves 133 (that is, along positive direction or negative direction of third axial direction Y) of formula mold 13 are mobile, and this first to fourth
The inclined-plane of voussoir can contact the inclined-plane of first module 141, the second module 142, third module 143 and the 4th module 144 respectively
It is moved.
The material of fixed extrusion die tool 13 and the double-lift mold 14 can for mould steel, carbon steel, stainless steel or other
Metal material and nonmetallic materials, mould steel among the above, which refers to, may be utilized in fabricating the molds such as cold-punching mould, hot-forging die or compression mod
Steel grade.What the fixed mold 13 was visually integrated with double-lift mold 14.
Please refer to Fig. 3 and Fig. 5, the first beam mode according to the present invention, when first module 141, the second module 142,
Definition has an outlet die cavity 150 (that is, outlet die cavity 150 between third module 143 and the 4th module 144 and the perforation 145
The area of section be that the area of section of the perforation 145 subtracts first module 141, the second module 142, third module 143 and the
The area of section of four modules 144), and first module 141 is moved to one outside the outlet die cavity 150 along first axis A
When one displacement D1, then the extruding plunger 12 makes the crowded ingot 9 flow out from the outlet die cavity 150 and form one first crowded type part 91, should
First crowded type part 91 and first module 141, which protrude from, has one first frictional force F1 between the part outside the outlet die cavity 150,
It is bent the first crowded type part 91 towards one first direction of a curve C1, first direction of a curve C1 refers to around one second axial direction X
The curved direction of positive direction, and the positive direction of second axial direction X is perpendicular to first axis A.When this first displacement D1 it is bigger,
Then the first crowded type part 91 is bent bigger (i.e. curvature is bigger) towards the first direction of a curve C1.
Please refer to Fig. 4 and Fig. 5, the second beam mode according to the present invention, when first module 141, the second module 142,
Definition has the outlet die cavity 150, and 142 edge of the second module between third module 143 and the 4th module 144 and the perforation 145
When first axis A is moved to the second displacement D2 outside the outlet die cavity 150, then the extruding plunger 12 makes this squeeze ingot 9 from this
It exports the outflow of die cavity 150 and forms one second crowded type part 92, which protrudes from the outlet with second module 142
There is one second frictional force F2 between part outside die cavity 150, make the second crowded type part 92 towards one second direction of a curve C2 whereby
Bending, second direction of a curve C2 refer to around the curved direction of negative direction of second axial direction X.
It refer again to Fig. 5 and Fig. 1, similarly, third beam mode according to the present invention, when first module 141, the second mould
Definition has the outlet die cavity 150, and the third module between block 142, third module 143 and the 4th module 144 and the perforation 145
143 along first axis A be moved to the third outside the outlet die cavity 150 displacement (not shown) when, then the extruding plunger 12 makes
This squeezes ingot 9 and flows out from the outlet die cavity 150, and forms a third and squeeze type part (not shown), which squeezes type part and the third mould
Block 143, which protrudes from, has a third frictional force between the part outside the outlet die cavity 150, the third is made to squeeze type part towards one the whereby
Three direction of a curve C3 bending, third direction of a curve C3 refers to around the curved direction of positive direction of a third axial direction Y, and the third
The positive direction of axial Y is perpendicular to axial and second axial direction X.Furthermore the 4th beam mode according to the present invention, when this first
Definition has the outlet die cavity between module 141, the second module 142, third module 143 and the 4th module 144 and the perforation 145
150, and the 4th module 144 along first axis A be moved to outside the outlet die cavity 150 one the 4th displacement (not shown) when,
Then the extruding plunger 12 makes this squeeze ingot 9 from the outlet die cavity 150 outflow, and forms one the 4th crowded type part (not shown), and the 4th
It squeezes type part and the 4th module 144 protrudes between the part outside the outlet die cavity 150 with one the 4th frictional force, make this whereby
4th crowded type part is bent towards one the 4th direction of a curve C4, and the 4th direction of a curve C4 refers to that the negative direction around third axial direction Y is curved
Bent direction.
In addition, refer again to Fig. 5 and Fig. 1, the 5th beam mode according to the present invention, when first module 141, the second mould
Definition has an outlet die cavity 150 between block 142, third module 143 and the 4th module 144 and the perforation 145, and this first and the
Three modules 141,143 are respectively moved to first and third outside the outlet die cavity 150 displacement (not shown) along first axis A
When, then the extruding plunger 12 makes this squeeze ingot 9 from outlet die cavity outflow, and forms one the 5th crowded type part (not shown), and the 5th
Squeeze type part and this first and third module 141,143 protrude from and be respectively provided with this between the part outside the outlet die cavity 150
First and third frictional force, it is bent the 5th crowded type part towards one the 5th direction of a curve C5, the 5th direction of a curve C5 is
Refer to around the curved direction of positive direction of a predetermined axial direction P, the predetermined axial positive direction and the third axis positioned at second axial direction X
To between the positive direction of Y.
The present invention mainly by crowded type during, squeeze type part will leave outlet die cavity when, pass through at least the one of double action mold
The displacement of module increases the outer uniaxial face for squeezing type part or outer multiaxis face forms tensile stress, so that flow rate on axial surface reduction reaches this
Squeeze the purpose of type part bending deformation.
Fig. 5 and Fig. 6 is please referred to, in the present embodiment, as first module 141, the second module 142,143 and of third module
4th module 144 is square profile, and first module 141, the second module 142, third module 143 and the 4th module 144 with
When definition has the outlet die cavity 150 between the perforation 145, which is square profile.According to the present invention first to
The design of 5th beam mode can get the three-dimensional bar with square profile and squeeze type part 90.Fig. 7 and Fig. 8 is please referred to, another
In embodiment, when first module 141 ', the second module 142 ', third module 143 ' and the 4th module 144 ' are arc-shaped cut open
Face, and it is fixed between first module 141 ', the second module 142 ', third module 143 ' and the 4th module 144 ' and the perforation 145
When justice has the outlet die cavity 150 ', which is circular section.According to the present invention first to the 5th beam mode
Design, can get with circular section three-dimensional bar squeeze type part 90 '.
It please refers to Fig. 9, Figure 10 a and Figure 10 b, the crowded type device 1 of the invention that type part is squeezed to manufacture variable curvature more wraps
A punching axle 16 is included, is protruded into the outlet die cavity 150.The design of according to the present invention first to the 5th beam mode, can obtain
There must be rectangular or circular section three-dimensional tubing to squeeze type part 90a, 90b.
Please refer to Figure 11 a, the crowded type dress that type part is squeezed to manufacture variable curvature of the display second embodiment of the present invention
Set 1a.The crowded type device 1a that type part is squeezed to manufacture variable curvature of second embodiment is substantially similar to the use of first embodiment
To manufacture the crowded type device 1 that variable curvature squeezes type part, same components indicate identical label.Second and first embodiment crowded type
The difference of device 1a and crowded type device 1 are as follows: the crowded type device 1a of second embodiment can only include first module 141.When this
Definition has a first outlet die cavity 151 (that is, the section of the first outlet die cavity 151 between first module 141 and the perforation 145
Area is that the area of section of the perforation 145 subtracts the area of section of first module 141), and first module 141 along this first
When axial A is moved to one first displacement D1 outside the first outlet die cavity 151, then the extruding plunger 12 make this squeeze ingot 9 from this
The one outlet outflow of die cavity 151 and form one first crowded type part 91, the first crowded type part 91 and first module 141 protrude from this
There is one first frictional force F1 between part outside one outlet die cavity 151, this is made to squeeze type part 91 towards one first direction of a curve whereby
C1 bending, first direction of a curve C1 refers to around the curved direction of positive direction of one second axial direction X, and second axial direction X is just
Direction is perpendicular to first axis A.When first displacement D1 is bigger, then the first crowded type part is bent towards the first direction of a curve C1
Bigger (similar to Figure 3).
A kind of crowded type method that type part is squeezed to manufacture variable curvature of the second embodiment of the present invention, including following step
It is rapid: one crowded ingot being squeezed along a first axis；And the first module and the double-lift mold when a double-lift mold
Definition has an outlet die cavity between one perforation, and first module is moved to one first outside the outlet die cavity along the first axis
Displacement then makes this squeeze ingot and flows out from the outlet die cavity and form one first crowded type part, and the first crowded type part and first module are prominent
For having one first frictional force between the part outside the outlet die cavity, make the first crowded type part towards one first direction of a curve whereby
Bending, which refers to around the curved direction of positive direction of one second axial direction X, and the positive direction of second axial direction X
Perpendicular to first axis A.
Please refer to Figure 11 b, the crowded type dress that type part is squeezed to manufacture variable curvature of the display third embodiment of the present invention
Set 1b.The crowded type device 1b that type part is squeezed to manufacture variable curvature of 3rd embodiment is substantially similar to the use of first embodiment
To manufacture the crowded type device 1 that variable curvature squeezes type part, same components indicate identical label.The crowded type of third and first embodiment
The difference of device 1b and crowded type device 1 are as follows: the crowded type device 1b of 3rd embodiment can only include first module 141 and second
Module 142.When definition has a second outlet die cavity 152 (also between first module 141 and the second module 142 and the perforation 145
I.e. the area of section of the second outlet die cavity 152 is that the area of section of the perforation 145 subtracts first module 141 and the second module
142 area of section), and second module 142 is moved to one second outside the second outlet die cavity 152 along first axis A
When being displaced D2, then the extruding plunger 12 makes the crowded ingot 9 flow out from the second outlet die cavity 152 and form one second crowded type part 92,
The second crowded type part 92 and second module 142, which protrude between the part outside the second outlet die cavity 152, has one second to rub
Power F2 is wiped, so that this is squeezed type part 91 whereby and is bent towards one second direction of a curve C2, second direction of a curve C2 refers to around second axis
To the curved direction of negative direction (similar to Figure 4) of X.
The crowded type device that type part is squeezed to manufacture variable curvature of the invention has an advantage that one, breakthrough mold
It is developed with processing procedure, changes the crowded type of tradition and be bent the natural mode that processing procedure need to be bent by complex external mechanism online.Two, high
When the bending forming of adiabator plastic zone, the stress-retained and elastic recoil metaboly that mechanical bend generates can avoid.Three, fixed
The mechanism summary of formula mold and double-lift mold saves die manufacturing cost.Four, reduce entirely crowded type equipment and time at
This, promotes industrial benefit and makes a profit.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of crowded type device for squeezing type part to manufacture variable curvature, comprising:
One contains ingot bucket, to accommodate a crowded ingot；
One squeezes plunger, to protrude into the Sheng ingot bucket, and squeezes ingot to this along a first axis and squeezes；
One fixed mold, including an opening, the open communication Sheng ingot bucket；
It is characterized in that, the crowded type device further include:
One double-lift mold is connected to the fixed mold, and including a perforation and one first module, which is connected to this and opens
Mouthful, which is located in the perforation, and first module selectively moves linearly or do not move with respect to the fixed mold
It is dynamic, in which:
There is an outlet die cavity when defining between first module and the perforation, and first module is moved to this along the first axis
One first displacement outside die cavity is exported, then the extruding plunger makes the crowded ingot flow out from the outlet die cavity and form one first crowded type
Part, the first crowded type part and first module, which protrude from, has one first frictional force between the part outside the outlet die cavity, whereby
It is bent the first crowded type part towards one first direction of a curve, which refers to around one second axial positive direction bending
Direction, and the second axial positive direction is perpendicular to the first axis.
2. the crowded type device of type part is squeezed to manufacture variable curvature as described in claim 1, which is characterized in that the double-lift mould
Tool further includes:
One second module, also be located at the perforation in, and second module with respect to the fixed mold and selectivity move linearly or
It does not move, in which:
There is the outlet die cavity when defining between first module and the second module and the perforation, and second module is along the first axle
When to the second displacement being moved to outside the outlet die cavity, then the extruding plunger makes this squeeze ingot to flow out and formed from the outlet die cavity
One second crowded type part, the second crowded type part and second module, which protrude between the part outside the outlet die cavity, has one second to rub
Power is wiped, is bent the second crowded type part towards one second direction of a curve, which refers to around second axial direction
The curved direction of negative direction.
3. the crowded type device of type part is squeezed to manufacture variable curvature as claimed in claim 2, which is characterized in that the double-lift mould
Tool further includes:
Third module and the 4th module are also located in the perforation, and the third and the 4th module are selected with respect to the fixed mold
Selecting property moves linearly or does not move, in which:
When first module to definition between the 4th module and the perforation has the outlet die cavity, and the third module is along the first axle
When being displaced to the third being moved to outside the outlet die cavity, then the extruding plunger flows out the crowded ingot from the outlet die cavity, and shape
Type part is squeezed at a third, which squeezes type part and the third module protrudes between the part outside the outlet die cavity with a third
Frictional force makes the third squeeze type part whereby and is bent towards a third direction of a curve, which refers to around third axial direction
The curved direction of positive direction, and the positive direction of third axial direction is perpendicular to the first axis and this is second axial；And
When first module to definition between the 4th module and the perforation has the outlet die cavity, and the 4th module is along the first axle
To when one the 4th displacement being moved to outside the outlet die cavity, then the extruding plunger flows out the crowded ingot from the outlet die cavity, and shape
Cheng Yi tetra- squeezes type part, and the 4th crowded type part and the 4th module, which protrude from, has one the 4th between the part outside the outlet die cavity
Frictional force is bent the 4th crowded type part towards one the 4th direction of a curve, and the 4th direction of a curve refers to around third axial direction
The curved direction of negative direction.
4. the crowded type device of type part is squeezed to manufacture variable curvature as claimed in claim 3, it is characterised in that:
When first module to definition between the 4th module and the perforation has an outlet die cavity, and this first and third module along should
First axis be respectively moved to outside the outlet die cavity first displacement and third be displaced when, then the extruding plunger make this squeeze ingot from this
Die cavity outflow is exported, and forms one the 5th crowded type part, the 5th crowded type part and first module and third module protrude from this
It is respectively provided with first frictional force and third frictional force between part outside mouth mold cave, makes the 5th crowded type part towards one the 5th whereby
Direction of a curve bending, the 5th direction of a curve, which refers to, makes a reservation for the axial curved direction of positive direction around one, this makes a reservation for axial be located at
Between the positive direction of the second axial positive direction and third axial direction.
5. the crowded type device of type part is squeezed to manufacture variable curvature as claimed in claim 3, which is characterized in that first module
It is rectangular or arc-shaped section to the 4th module.
6. the crowded type device of type part is squeezed to manufacture variable curvature as claimed in claim 3, which is characterized in that first module
It is arranged to the 4th module with circular symmetric.
7. the crowded type device of type part is squeezed to manufacture variable curvature as described in claim 1, which is characterized in that when this first
Shifting is bigger, then the first crowded type part is bent bigger towards first direction of a curve.
8. the crowded type device of type part is squeezed to manufacture variable curvature as described in claim 1, which is characterized in that the double-lift mould
Tool further includes:
At least one pushes voussoir, is moved forward and backward to control first module along the first axis.
9. the crowded type device of type part is squeezed to manufacture variable curvature as described in claim 1, which is characterized in that further include:
One punching axle protrudes into the outlet die cavity.
10. a kind of crowded type method for squeezing type part to manufacture variable curvature, characterized in that it comprises the following steps:
One crowded ingot is squeezed along a first axis；And
When definition has an outlet die cavity between the first module of a double-lift mold and a perforation of the double-lift mold, and this
One module along the first axis be moved to outside the outlet die cavity one first displacement, then make this squeeze ingot from the outlet die cavity outflow and
One first crowded type part is formed, the first crowded type part and first module, which protrude between the part outside the outlet die cavity, has one the
One frictional force is bent the first crowded type part towards one first direction of a curve, which refers to around one second axis
To the curved direction of positive direction, and the second axial positive direction is perpendicular to the first axis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105125292 | 2016-08-09 | ||
| TW105125292A TWI616245B (en) | 2016-08-09 | 2016-08-09 | Extrusion device and method for manufacturing variable curvature extrusion |
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| Publication Number | Publication Date |
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| CN107695121A CN107695121A (en) | 2018-02-16 |
| CN107695121B true CN107695121B (en) | 2019-03-15 |
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| CN201611003122.1A Active CN107695121B (en) | 2016-08-09 | 2016-11-15 | Extrusion apparatus and extrusion method for manufacturing variable curvature extrusions |
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| CN (1) | CN107695121B (en) |
| TW (1) | TWI616245B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580955B (en) * | 2019-01-31 | 2021-03-10 | Imperial College Innovations Ltd | Apparatus and method for extruding curved profiles |
| CN112570482B (en) * | 2020-11-06 | 2022-09-27 | 哈尔滨理工大学 | Metal curvature section twisting extrusion forming device and method |
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|---|---|---|---|---|
| US4074557A (en) * | 1975-10-30 | 1978-02-21 | Nippon Steel Corporation | Metal extrusion process with high reduction |
| US5989466A (en) * | 1995-03-16 | 1999-11-23 | Mitsubishi Aluminum Co., Ltd. | Variable section extrusion die set and variable extrusion molding method |
| JP2000246328A (en) * | 1999-02-25 | 2000-09-12 | Aisin Keikinzoku Co Ltd | Aluminum alloy extrusion die sealing structure |
| CN104607487A (en) * | 2014-12-10 | 2015-05-13 | 中国兵器工业第五九研究所 | Extruding method for two-dimension function-variation continuous variable-cross-section profile |
| CN204412878U (en) * | 2014-12-30 | 2015-06-24 | 天津市津兆机电开发有限公司 | A kind of lateral cut structure for drawn products under diel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3643262B2 (en) * | 1999-06-24 | 2005-04-27 | 独立行政法人科学技術振興機構 | Extrusion processing method using die shift and apparatus therefor |
| JP5347907B2 (en) * | 2009-10-29 | 2013-11-20 | 豊田合成株式会社 | Method for extruding tube body and apparatus for extruding tube body |
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2016
- 2016-08-09 TW TW105125292A patent/TWI616245B/en active
- 2016-11-15 CN CN201611003122.1A patent/CN107695121B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074557A (en) * | 1975-10-30 | 1978-02-21 | Nippon Steel Corporation | Metal extrusion process with high reduction |
| US5989466A (en) * | 1995-03-16 | 1999-11-23 | Mitsubishi Aluminum Co., Ltd. | Variable section extrusion die set and variable extrusion molding method |
| JP2000246328A (en) * | 1999-02-25 | 2000-09-12 | Aisin Keikinzoku Co Ltd | Aluminum alloy extrusion die sealing structure |
| CN104607487A (en) * | 2014-12-10 | 2015-05-13 | 中国兵器工业第五九研究所 | Extruding method for two-dimension function-variation continuous variable-cross-section profile |
| CN204412878U (en) * | 2014-12-30 | 2015-06-24 | 天津市津兆机电开发有限公司 | A kind of lateral cut structure for drawn products under diel |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI616245B (en) | 2018-03-01 |
| CN107695121A (en) | 2018-02-16 |
| TW201805084A (en) | 2018-02-16 |
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