CN1709604A - Spiral extrusion shaping and processing apparatus - Google Patents
Spiral extrusion shaping and processing apparatus Download PDFInfo
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- CN1709604A CN1709604A CN 200510026809 CN200510026809A CN1709604A CN 1709604 A CN1709604 A CN 1709604A CN 200510026809 CN200510026809 CN 200510026809 CN 200510026809 A CN200510026809 A CN 200510026809A CN 1709604 A CN1709604 A CN 1709604A
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Abstract
This present invention relates to the method of helix extrusion machining setting which belongs to material machining field. The invention include: enter material setup, fine setup, molding setup. The connection is: The fine setup includes cylinder style former, cylinder style former surface have helix flute, depends on 1deg.~4 deg. mix degree put into cylinder style former make up helix passage, the cylinder style model center have straight passage, fine setup connect with enter material setup and molding setup by straight passage. The invention have prominent fine crystal effect, simple organize, easily machining, widely used, realize series produce, be prone to application of industry.
Description
Technical field
What the present invention relates to is a kind of device of material processing field, especially a kind of spiral extrusion shaping and processing apparatus for preparing super fine crystal material and material straight forming.
Background technology
Super fine crystal material is the high performance structures material of the intensity that integrates excellent and good plasticity and toughness.Grain refinement technology is the main line and the important research direction of preparation high performance structures material always: at first be the appearance that adds conventional plastic deformation process such as ingot metallurgy technology such as fining agent, alterant and extruding, rolling, forging, but grain refining efficiency is limited; Be that rapid solidification, mechanical alloying and powder metallurgy prepare micro crystal material technology then, but have that operation is many, shortcoming such as pollution and oxidation are serious.On this basis, directly prepare the invention of rapid solidification block body ultrafine grain material technology such as jet deposition and vacuum evaporation etc., on preparation technology, had, but have the residual pores problem than much progress.
Find through literature search prior art, Chinese invention patent application number 01104059.9, patent name: reciprocating extruding transfer moulding method and processing unit (plant) thereof, this patent adopts left recipient and right recipient to constitute squeeze receptacle, between left recipient and right recipient, be provided with a two-way crowded mould, this two-way extruding mold has at least one narrow and small relatively arrow path, alloy material to be processed is heated to softening temperature, in processing unit (plant), impose different directions pressure alternately, crumpled alloy material, make to form fine structure refinement and equally distributed alloy.But the shortcoming of this technology is to integrate extruding and jumping-up, because the bad material of plasticity ftractures when jumping-up easily, so upset can not be big, every time deflection is less, only is fit to the metal of preparation easy deformation.
Summary of the invention
The objective of the invention is to provides a kind of spiral extrusion shaping and processing apparatus at the deficiency in the background technology, makes it can again can straight forming in the preparation super fine crystal material, whole process link-up operation, high efficiency, low cost.
The present invention is achieved by the following technical solutions, the present invention includes three parts, i.e. feeding mechanism, refinement mechanism, shaping mechanism.Core part of the present invention is, refinement mechanism comprises drum type brake die sleeve and cylinder formula core rod, be provided with spiral groove in cylinder formula core surface, rely on 1 °～4 ° cooperation tapering to pack into and constitute spiral channel in the die sleeve, center, cylinder formula core rod two ends is provided with straight channel, has one section transition passage by middle mind-set surface to be connected respectively between straight channel and the spiral channel.Refinement mechanism is connected with feeding mechanism, shaping mechanism respectively by straight channel.
Described feeding mechanism is a driving mechanism, can be made of pressure ram and recipient, and pressure ram is in recipient, and pressure ram and recipient constitute the extruding die cavity, are connected with the straight channel of refinement mechanism.Also can constitute by guide wheel or other driving mechanisms.
Described shaping mechanism can be roll or mould.Mould constitutes the moulding die cavity by two shaping moulds, and the moulding die cavity is connected with the straight channel of refinement mechanism.Mould or be made of forming tube and moulding die cavity, the moulding die cavity is located in the forming tube, is connected with the straight channel of refinement mechanism.
Feeding mechanism provides material to enter the active force of spiral refinement mechanism and shaping mechanism continuously, under pressure ram extruding force or guide wheel or other drive mechanism power effects, material enters refinement mechanism, material is applied periodic shear stress in refinement mechanism so that the big strain of material production, thereby make the microstructure ultra-fining treatment of material and evenly distribution, discharge end straight channel by refinement mechanism enters shaping mechanism then, material straight forming to be processed.
The present invention is provided with spiral channel in refinement mechanism, material is applied periodic shear stress make the big strain of material production, has notable effect of crystal grain thinning, and shaping mechanism directly is set, again can straight forming in the preparation super fine crystal material.The present invention is simple in structure, handling ease, practical wide, can be used for the structure refinement and the moulding of alloy and composite material ingot, extruded bars or rolled plate etc., realizes continuous production, is easy to commercial Application.
Description of drawings
Fig. 1 is the first embodiment schematic diagram of spiral extrusion shaping and processing apparatus of the present invention.
Fig. 2 is the second embodiment schematic diagram of spiral extrusion shaping and processing apparatus of the present invention.
Fig. 3 is the 3rd an embodiment schematic diagram of spiral extrusion shaping and processing apparatus of the present invention.
The specific embodiment
As shown in Figure 1, 2, 3, the present invention includes: feeding mechanism 1, refinement mechanism 2, shaping mechanism 3.Refinement mechanism 2 comprises drum type brake die sleeve 4 and cylinder formula core rod 5, be provided with spiral groove on cylinder formula core rod 5 surfaces, rely on 1 °～4 ° cooperation tapering to pack into and constitute spiral channel 6 in the die sleeve 4, center, cylinder formula core rod 5 two ends is provided with straight channel 7, has one section transition passage by middle mind-set surface to be connected respectively between straight channel 7 and the spiral channel 6.Refinement mechanism 2 is connected with feeding mechanism 1, shaping mechanism 3 respectively by straight channel 7.
Feeding mechanism 1 is a drive unit, can be made of pressure ram 8 and recipient 9, and pressure ram 8 is in recipient 9, and pressure ram 8 and recipient 9 constitute extruding die cavity 10, are connected with the straight channel 7 of refinement mechanism 2.Also can constitute by guide wheel 11.Or other drive units.
Provide embodiment below in conjunction with content of the present invention:
As shown in Figure 1, be first preferred embodiment of the present invention, feeding mechanism 1 comprises pressure ram 8, recipient 9, pressure ram 8 and recipient 9 constitute extruding die cavity 10, material to be processed is extruded the bar compression and promotes in extruding die cavity 3, enter refinement mechanism 2, refinement mechanism 2 comprises drum type brake die sleeve 4, cylinder formula core rod 5, be provided with spiral groove on cylinder formula core rod 5 surfaces, rely on 1 ° cooperation tapering to pack into and constitute spiral channel 6 in the die sleeve 4, wherein be provided with straight channel 7, have one section transition passage to be connected respectively between straight channel 7 and the spiral channel 6 by middle mind-set surface at center, core rod 5 two ends.Material is entered by feed end straight channel 7, periodic shear stress through spiral channel 6 produces big strain, thereby make the microstructure ultra-fining treatment of material and evenly distribution, discharge end straight channel 7 by refinement mechanism 2 enters shaping mechanism 3 then, shaping mechanism 3 is made of forming tube 16 and moulding die cavity 15, moulding die cavity 15 is located in the forming tube 16, be connected with the discharge end straight channel 7 of refinement mechanism 2, shape can be circle, rectangle or other special-shaped shapes, by moulding die cavity 15, material to be processed just can be extruded into the various high-performance section bars that need shape.
As shown in Figure 2, be second preferred embodiment of the present invention, feeding mechanism 1 is a guide wheel 11, material to be processed is under the frictional force drives of guide wheel 11, enter refinement mechanism 2, refinement mechanism 2 comprises drum type brake die sleeve 4, cylinder formula core rod 5, be provided with spiral groove on cylinder formula core rod 5 surfaces, rely on 4 ° cooperation tapering to pack into and constitute spiral channel 6 in the die sleeve 4, wherein be provided with straight channel 7, have one section transition passage to be connected respectively between straight channel 7 and the spiral channel 6 by middle mind-set surface at center, cylinder formula core rod 5 two ends.Material is entered by feed end straight channel 7, periodic shear stress through spiral channel 6 produces big strain, thereby make the microstructure ultra-fining treatment of material and evenly distribution, discharge end straight channel 7 by refinement mechanism 2 enters shaping mechanism 3 then, and shaping mechanism 3 is a mould, comprises shaping mould 13,14, shaping mould 13,14 constitutes moulding die cavity 15, be connected with the discharge end straight channel 7 of refinement mechanism 2, by moulding die cavity 15, material to be processed just can be squeezed into the premium quality product that needs.
As shown in Figure 3, be the 3rd preferred embodiment of the present invention, feeding mechanism 1 is a guide wheel 11, material to be processed is under the frictional force drives of guide wheel 11, enter refinement mechanism 2, refinement mechanism 2 comprises drum type brake die sleeve 4, cylinder formula core rod 5, be provided with spiral groove on cylinder formula core rod 5 surfaces, rely on 3 ° cooperation tapering to pack into and constitute spiral channel 6 in the die sleeve 4, wherein be provided with straight channel 7, have one section transition passage to be connected respectively between straight channel 7 and the spiral channel 6 by middle mind-set surface at center, cylinder formula core rod 5 two ends.Material is entered by feed end straight channel 7, periodic shear stress through spiral channel 6 produces big strain, thereby make the microstructure ultra-fining treatment of material and evenly distribution, discharge end straight channel 7 by refinement mechanism 2 enters shaping mechanism 3 then, shaping mechanism 3 is made of roll 12, under roll 12 roll-force effects, material to be processed just can be rolled into the premium quality product that needs shape.
Claims (6)
1, a kind of spiral extrusion shaping and processing apparatus, comprise: feeding mechanism (1), refinement mechanism (2), it is characterized in that, also comprise: shaping mechanism (3), refinement mechanism (2) comprises drum type brake die sleeve (4) and cylinder formula core rod (5), be provided with spiral groove on cylinder formula core rod (5) surface, the middle formation of drum type brake die sleeve (4) of packing into spiral channel (6), cylinder formula core rod (5) center, two ends is provided with straight channel (7), have one section transition passage to be connected respectively between straight channel (7) and the spiral channel (6) by middle mind-set surface, refinement mechanism (2) by straight channel (7) respectively with feeding mechanism (1), shaping mechanism (3) connects.
2, spiral extrusion shaping and processing apparatus according to claim 1, it is characterized in that, feeding mechanism (1) is a driving mechanism, constitute by pressure ram (8) and recipient (9), pressure ram (8) is in recipient (9), pressure ram (8) and recipient (9) constitute extruding die cavity (10), are connected with the straight channel (7) of refinement mechanism (2); Perhaps constitute by guide wheel (11).
According to claim 1 or 2 described spiral extrusion shaping and processing apparatus, it is characterized in that 3, the cooperation tapering that cylinder formula core rod (5) dependence is 1 °～4 ° is packed in the drum type brake die sleeve (4).
4, spiral extrusion shaping and processing apparatus according to claim 1 is characterized in that, shaping mechanism (3) is roll (12) or mould.
5, spiral extrusion shaping and processing apparatus according to claim 4 is characterized in that, shaping mechanism constitutes moulding die cavity (15) by two shaping moulds (13,14), and moulding die cavity (15) is connected with the straight channel (7) of refinement mechanism (2).
6, spiral extrusion shaping and processing apparatus according to claim 4, it is characterized in that, mould or be made of forming tube (16) and moulding die cavity (15), moulding die cavity (15) is located in the forming tube (16), is connected with the straight channel (7) of refinement mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100268092A CN1298451C (en) | 2005-06-16 | 2005-06-16 | Spiral extrusion shaping and processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100268092A CN1298451C (en) | 2005-06-16 | 2005-06-16 | Spiral extrusion shaping and processing apparatus |
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| Publication Number | Publication Date |
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| CN1709604A true CN1709604A (en) | 2005-12-21 |
| CN1298451C CN1298451C (en) | 2007-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100268092A Expired - Fee Related CN1298451C (en) | 2005-06-16 | 2005-06-16 | Spiral extrusion shaping and processing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061816A (en) * | 2018-07-10 | 2018-12-21 | 烽火通信科技股份有限公司 | A kind of molding machine and forming method for eccentric screw formula optic cable tail fiber |
| CN114653770A (en) * | 2022-03-28 | 2022-06-24 | 太原科技大学 | Spiral reducing-continuous twisting extrusion die for magnesium alloy high-performance plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744282A (en) * | 2012-07-19 | 2012-10-24 | 西北工业大学 | Die for spiral divided-flow extrusion of magnesium alloy bar |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU776692A1 (en) * | 1979-01-08 | 1980-11-21 | Московский Ордена Трудового Красного Знамени Институт Стали И Сплавов | Female die for extruding articles |
| SU804050A1 (en) * | 1979-04-09 | 1981-02-15 | Предприятие П/Я А-1977 | Female die for extruding articles |
| JP3662249B2 (en) * | 1992-04-08 | 2005-06-22 | ギフリング， ジョルク | Method for manufacturing continuous cylindrical body having at least one spiral duct inside, and manufacturing apparatus therefor |
| US6878250B1 (en) * | 1999-12-16 | 2005-04-12 | Honeywell International Inc. | Sputtering targets formed from cast materials |
| CN1139443C (en) * | 2000-12-08 | 2004-02-25 | 天津理工学院 | Rotary extruder with equal channel angles |
| CN2584308Y (en) * | 2002-11-15 | 2003-11-05 | 天津理工学院 | Equal-channel corner alternating extruding device |
| CN2690068Y (en) * | 2003-06-21 | 2005-04-06 | 大连理工大学 | Device for preparing super fine grain crystal pipe by equal passage corner extrusion |
| RU2240197C1 (en) * | 2003-07-22 | 2004-11-20 | Уфимский государственный авиационный технический университет | Method for combination type intensified plastic deformation of blanks |
| JP2005076431A (en) * | 2003-08-28 | 2005-03-24 | Ti & I:Kk | Screw groove shape for extruded material |
-
2005
- 2005-06-16 CN CNB2005100268092A patent/CN1298451C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061816A (en) * | 2018-07-10 | 2018-12-21 | 烽火通信科技股份有限公司 | A kind of molding machine and forming method for eccentric screw formula optic cable tail fiber |
| CN114653770A (en) * | 2022-03-28 | 2022-06-24 | 太原科技大学 | Spiral reducing-continuous twisting extrusion die for magnesium alloy high-performance plate |
| CN114653770B (en) * | 2022-03-28 | 2024-02-13 | 太原科技大学 | Spiral reducing-continuous torsion extrusion die for magnesium alloy high-performance plate |
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| CN1298451C (en) | 2007-02-07 |
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