CN104057058B - Mold for extruding aluminum-based ceramic composite materials - Google Patents
Mold for extruding aluminum-based ceramic composite materials Download PDFInfo
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- CN104057058B CN104057058B CN201410272810.2A CN201410272810A CN104057058B CN 104057058 B CN104057058 B CN 104057058B CN 201410272810 A CN201410272810 A CN 201410272810A CN 104057058 B CN104057058 B CN 104057058B
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- extending
- die
- water conservancy
- conservancy diversion
- extruding
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Abstract
The invention relates to a mold for extruding aluminum-based ceramic composite materials. The mold is designed by aiming at the defects of aluminum-based ceramic composite plate processing of neutron absorption plates in nuclear protection, and adopts the design of combining an extruding male mold, an extruding pad plate, an extending guide female mold, an extending flow guide female mold and an extending forming female mold. In addition, a dumbbell-shaped special flow conversion groove and a rhombic flow guide groove are formed in the extending flow guide female mold, and flexible extrusion is adopted in the heating extrusion state, so the extrusion is smooth, the length of the extruded aluminum-based ceramic composite plate is prolonged, the production efficiency is improved, and the use area of the plate is also expanded. The mold has the advantages that the design is advanced, the structure is compact, the configuration of the male mold and the female mold is reasonable, a 25-degree flow guide inclined surface angle is formed in the rhombic flow guide groove of the extending flow guide female mold, a 15-degree flow promoting inclined surface angle is formed in the extending forming female mold, the extrusion stress concentration is prevented, the extruded plate can realize smooth flowing forming, and the mold belongs to a very ideal mold for extruding the aluminum-based ceramic composite materials.
Description
Technical field
The present invention relates to a kind of mould of extruded aluminium based composite ceramic material, belong to the technical field of Al-base ceramic composite material machining tool and application.
Background technology
Nuclear energy is one of energy with development potentiality most, and nuclear energy power generation has been regarded as the cleanest generating, because nuclear energy power generation has radioactivity, and with neutron irradiation, must carry out radioactivity protection to Nuclear Power Plant.
Radioactivity protection mainly adopts the material that can absorb neutron irradiation; the boron carbide of such as ceramic-like; boron carbide is combined with non-ferrous metal; make neutron absorption composite material; such as aluminum matrix composite, magnesium base composite material, titanium matrix composite; again by these metal-base composites instrument manufactured Board shaped piece, do nuclear defence after assembling and use.
In nuclear defence neutron absorber plate, aluminium-based ceramic composite plate, difficulty of processing is comparatively large, and quantity is many, if with the processing of a mechanical pieces, efficiency is very low, and each shape is difficult to be consistent, and interchangeability is poor, becomes a difficult problem for processing and manufacturing.
Summary of the invention
Goal of the invention
The object of the invention is the situation for background technology, design a kind of mould of extruded aluminium based composite ceramic material plate, the design that employing extruding punch, guiding of extending die, water conservancy diversion die of extending, molding concave die of extending combine, the processing of aluminium-based ceramic composite plate is made to realize mechanization, strengthen the intensity of sheet material, enhance productivity.
technical scheme
Primary structure of the present invention comprises: extrude punch, extruding backing plate, guiding of extending die, water conservancy diversion die of extending, molding concave die of extending, special-shaped unsteady flow groove, rhombus guiding gutter, die cavity of extending, water conservancy diversion die cavity, forming recess, short stream angle, gathering sill, move back chute, alignment pin;
Mold integral is vertical, and mold bottom is molding concave die 4 of extending, and connects water conservancy diversion die 3 of extending, and fixed by the first alignment pin 15, second alignment pin 16 on the top of molding concave die 4 of extending; Guiding die 2 of extending is connected on the top of water conservancy diversion die 3 of extending, extend guiding die 2 inside be die cavity 14 of extending, at die cavity 14 of extending built with Al-base ceramic rod 12, being provided with extruding backing plate 11 on the top of Al-base ceramic rod 12, is extruding punch 1 on extruding backing plate 11 top; Move back chute 10 extending to be provided with in molding concave die 4, and be communicated with forming recess 8, extending for water conservancy diversion die cavity 7 in water conservancy diversion die 3, the top of water conservancy diversion die cavity 7 is provided with rhombus guiding gutter 6, special-shaped unsteady flow groove 5, is extending guiding die 2 and extend between water conservancy diversion die 3 and be provided with gathering sill 13; Extending, the Al-base ceramic rod 12 be extruded is put in guiding die 2 inside, Al-base ceramic rod 12 alignment guide grooves 13, special-shaped unsteady flow groove 5, rhombus guiding gutter 6, water conservancy diversion die cavity 7; Be provided with at the die cavity joining place of water conservancy diversion die 3 with molding concave die 4 of extending of extending and urge to flow angle 9, the angle of chamfer at short stream angle 9 is 15 °, and short stream angle 9 is connected with the chute 10 that moves back of extending in molding concave die 4 and is communicated with; The water conservancy diversion angle of chamfer of rhombus guiding gutter 6 is 25 °, and is connected with special-shaped unsteady flow groove 5; Al-base ceramic rod 12, under the extruding of extruding backing plate 11, extruding punch 1, through gathering sill 13, special-shaped unsteady flow groove 5, rhombus guiding gutter 6, water conservancy diversion die cavity 7, moves back chute 10 and enters forming recess 8, and be shaped to Al-base ceramic plate 17.
beneficial effect
The present invention has obvious advance compared with background technology, the drawback of processing for the neutron-absorbing Al-base ceramic composite material plate of nuclear defence designs, adopt extruding punch, extruding backing plate, guiding of extending die, to extend water conservancy diversion die, the design that molding concave die of extending combines, and at special-shaped unsteady flow groove water conservancy diversion die being arranged dumbbell shaped of extending, rhombus guiding gutter, flexible extruding is become under heating squeezed state, make extruding smooth and easy, make the aluminium-based ceramic composite plate material extension be extruded, both improve production efficiency, extend again sheet material usable floor area, this Design of Dies is advanced, compact conformation, the preparation of punch-die is reasonable, and in the rhombus guiding gutter of water conservancy diversion die of extending, establish the water conservancy diversion angle of chamfer of 25 °, in the short stream angle of chamfer arranging 15 ° in molding concave die of extending, both extrusion stress had been prevented to concentrate, make again to be extruded sheet material smooth flow shaping, it is the mould of very good extruded aluminium based composite ceramic material.
Accompanying drawing explanation
Fig. 1. mold integral structure chart
Fig. 2. the A-A profile of Fig. 1
Fig. 3. water conservancy diversion die of extending, extend concave die structure for moulding figure
Fig. 4. the top view of Fig. 3
Fig. 5. the B-B profile of Fig. 3
Fig. 6. the C-C profile of Fig. 4
Fig. 7. Al-base ceramic hardens composition
Fig. 8. the top view of Fig. 7
Shown in figure, list of numerals is as follows:
1. extrude punch, guiding of 2. extending die, water conservancy diversion die of 3. extending, 4. to extend molding concave die, 5. special-shaped unsteady flow groove, 6. rhombus guiding gutter, 7. water conservancy diversion die cavity, 8. forming recess, 9. short stream angle, 10. move back chute, 11. extruding backing plates, 12. Al-base ceramic rods, 13. gathering sills, 14. extend die cavity, 15. first alignment pins, 16 second alignment pins, 17 Al-base ceramic plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
Shown in Fig. 1,2,3,4,5,6, be mold integral and each portion structure chart, each position, annexation want correct, install firmly.
Mold integral by extruding punch 1, extruding backing plate 11, guiding of extending die 2, water conservancy diversion die 3 of extending, molding concave die 4 of extending form overall structure.
The extend gathering sill 13 on water conservancy diversion die 3 top, special-shaped unsteady flow groove 5, rhombus guiding gutter 6 plays flexible buffer effect in extrusion process, make the extruding of Al-base ceramic rod 12 smooth and easy, progressive shaping, enter in forming recess 8, Al-base ceramic plate 17, namely complete an extrusion cycle.
The chrome-molybdenum steel of extruding punch 1, extruding backing plate 11, guiding of extending die 2, water conservancy diversion die 3 of extending, molding concave die 4 alloy tool steel of extending makes; The surface roughness of extruding punch 1, extruding backing plate 11, die cavity 14 of extending, water conservancy diversion die cavity 7, forming recess 8 is Ra0.04-0.08
.
Shown in Fig. 7,8; For Al-base ceramic hardens composition, shown in figure, Al-base ceramic plate 17 is rectangular plate-like, and end surface shape is identical with the flute profile of special-shaped unsteady flow groove 5, is all dumbbell shaped.
Claims (2)
1. a mould for extruded aluminium based composite ceramic material, is characterized in that: primary structure comprises: extrude punch, extruding backing plate, guiding of extending die, water conservancy diversion die of extending, molding concave die of extending, special-shaped unsteady flow groove, rhombus guiding gutter, die cavity of extending, water conservancy diversion die cavity, forming recess, short stream angle, gathering sill, move back chute, alignment pin;
Mold integral is vertical, and mold bottom is molding concave die of extending (4), connects on the top of molding concave die of extending (4) water conservancy diversion die (3) of extending, and is located by the first alignment pin (15), the second alignment pin (16); Guiding die (2) of extending is connected on the top of water conservancy diversion die (3) of extending, extend guiding die (2) inside be die cavity of extending (14), at die cavity of extending (14) built with Al-base ceramic rod (12), Al-base ceramic rod (12) top is provided with extruding backing plate (11), is extruding punch (1) on extruding backing plate (11) top; Be provided with in molding concave die of extending (4) and move back chute (10), and be communicated with forming recess (8), extending in water conservancy diversion die (3) as water conservancy diversion die cavity (7), the top of water conservancy diversion die cavity (7) is provided with rhombus guiding gutter (6), special-shaped unsteady flow groove (5), is extending guiding die (2) and extend between water conservancy diversion die (3) and be provided with gathering sill (13); Extending, the Al-base ceramic rod (12) be extruded is put, Al-base ceramic rod (12) alignment guide groove (13), special-shaped unsteady flow groove (5), rhombus guiding gutter (6), water conservancy diversion die cavity (7) in guiding die (2) inside; Be provided with at the die cavity joining place of water conservancy diversion die (3) with molding concave die (4) of extending of extending and urge to flow angle (9), take perpendicular as the angle of chamfer of the short stream angle (9) of benchmark be 15 °, short stream angle (9) is connected with the chute (10) that moves back in molding concave die of extending (4) and is communicated with; Take horizontal plane as the water conservancy diversion angle of chamfer of the rhombus guiding gutter (6) of benchmark be 25 °, and be connected with special-shaped unsteady flow groove (5); Al-base ceramic rod (12) is under the extruding of extruding backing plate (11), extruding punch (1), through gathering sill (13), special-shaped unsteady flow groove (5), rhombus guiding gutter (6), water conservancy diversion die cavity (7), move back chute (10) and enter forming recess (8), and be shaped to Al-base ceramic plate (17).
2. the mould of a kind of extruded aluminium based composite ceramic material according to claim 1, is characterized in that: extruding punch (1), extruding backing plate (11), guiding die (2) of extending, water conservancy diversion die (3) of extending, to extend
Molding concave die (4) chrome-molybdenum steel of alloy tool steel makes; The surface roughness of extruding punch (1), extruding backing plate (11), die cavity of extending (14), water conservancy diversion die cavity (7), forming recess (8) is Ra0.04-0.08 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272810.2A CN104057058B (en) | 2014-06-18 | 2014-06-18 | Mold for extruding aluminum-based ceramic composite materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272810.2A CN104057058B (en) | 2014-06-18 | 2014-06-18 | Mold for extruding aluminum-based ceramic composite materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057058A CN104057058A (en) | 2014-09-24 |
| CN104057058B true CN104057058B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410272810.2A Expired - Fee Related CN104057058B (en) | 2014-06-18 | 2014-06-18 | Mold for extruding aluminum-based ceramic composite materials |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734490A (en) * | 2017-01-17 | 2017-05-31 | 宜兴市科兴合金材料有限公司 | A kind of calender for Mo wafer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079477A (en) * | 1998-01-26 | 2000-06-27 | Amcan Castings Limited | Semi-solid metal forming process |
| CN101357377A (en) * | 2008-09-01 | 2009-02-04 | 江阴市江顺模具有限公司 | Novel hard aluminium alloy bar material hot-extrusion mold |
| CN102407244A (en) * | 2011-12-29 | 2012-04-11 | 昆明理工大学 | Mould for continuous extrusion production of high-width-thickness-ratio profiles |
| CN102632095A (en) * | 2012-04-25 | 2012-08-15 | 上海交通大学 | Secondary continuous extrusion processing method of magnesium alloy and die plate insert for secondary continuous extrusion processing method |
| CN202684045U (en) * | 2012-08-17 | 2013-01-23 | 宁波市博祥新材料科技有限公司 | Coextrusion forming device with paralleled guide holes |
-
2014
- 2014-06-18 CN CN201410272810.2A patent/CN104057058B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079477A (en) * | 1998-01-26 | 2000-06-27 | Amcan Castings Limited | Semi-solid metal forming process |
| CN101357377A (en) * | 2008-09-01 | 2009-02-04 | 江阴市江顺模具有限公司 | Novel hard aluminium alloy bar material hot-extrusion mold |
| CN102407244A (en) * | 2011-12-29 | 2012-04-11 | 昆明理工大学 | Mould for continuous extrusion production of high-width-thickness-ratio profiles |
| CN102632095A (en) * | 2012-04-25 | 2012-08-15 | 上海交通大学 | Secondary continuous extrusion processing method of magnesium alloy and die plate insert for secondary continuous extrusion processing method |
| CN202684045U (en) * | 2012-08-17 | 2013-01-23 | 宁波市博祥新材料科技有限公司 | Coextrusion forming device with paralleled guide holes |
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| Publication number | Publication date |
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| CN104057058A (en) | 2014-09-24 |
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Granted publication date: 20150722 Termination date: 20160618 |