CN106862558A - A kind of assembling die for preparing powdered metal parts - Google Patents
A kind of assembling die for preparing powdered metal parts Download PDFInfo
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- CN106862558A CN106862558A CN201510913419.0A CN201510913419A CN106862558A CN 106862558 A CN106862558 A CN 106862558A CN 201510913419 A CN201510913419 A CN 201510913419A CN 106862558 A CN106862558 A CN 106862558A
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- sleeve
- inner mold
- mold
- metal parts
- powdered metal
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Abstract
The invention discloses a kind of assembling die for preparing powdered metal parts, the mould includes that outer mold, sleeve I, sleeve II, the inner mold I being placed in sleeve II and inner mold II and upper and lower pressure head are constituted.The internal diameter of outer mold is equal with the external diameter of sleeve I, internal diameter and inner mold I and the equal diameters of inner mold II of sleeve II, there is circular draw-in groove on push-down head chassis, there is the cylindrical projection corresponding with the draw-in groove on seaming chuck;An annular die cavity is wherein made up of sleeve I, sleeve II, inner mold II and push-down head；One cylindrical mold cavity is constituted by sleeve II, inner mold I and inner mold II, equipped with the metal dust or alloy powder for preparing powdered metal parts in die cavity.The beneficial effects of the present invention are：This mould can simultaneously sinter the ring-shaped work pieces and axial workpiece prepared with different ratio, improve sintering efficiency and die life, and mould structure is simple and convenient to operate, uses graphite to be raw material, and cost is relatively low.
Description
Technical field
The present invention relates to sintered powder technique field, more particularly, to a kind of assembling die and its application method for preparing powdered metal parts.
Background technology
PM technique is that the mixed-powder with different ratio is made into porous or dense material process by techniques such as cold moudlings and hot pressed sintering.The features such as PM technique has energy-conservation, material saving, Product Precision high, and the complex parts that Conventional machining methods cannot be prepared can be prepared.But, it is currently used for preparing the mould of powder metallurgy precast body, the sample of a kind of shape or proportioning can only be prepared during once sintered, usual once sintered process time will continue more than 4h, so lose time, reduce die life.
The content of the invention
The present invention provides a kind of assembling die for preparing powdered metal parts, it have simple structure, it is easy to operate, can be while the features such as preparing cylinder and ring-shaped work pieces, long service life, can solve above-mentioned technical problem.
To achieve these goals, the technical solution adopted by the present invention is：A kind of assembling die for preparing powdered metal parts, it is characterised in that：The mould includes that outer mold, sleeve I, sleeve II, the inner mold I being placed in sleeve II and inner mold II and upper and lower pressure head are constituted.An annular die cavity is wherein made up of sleeve I, sleeve II, inner mold II and push-down head；One cylindrical mold cavity is constituted by sleeve II, inner mold I and inner mold II, equipped with the metal dust or alloy powder for preparing powdered metal parts in die cavity.
Technical characteristic of the invention also has：The outer mold, sleeve I, sleeve II, the material of inner mold I and inner mold II, seaming chuck and push-down head are graphite.
Technical characteristic of the invention also has：The internal diameter of the outer mold is equal with the external diameter of sleeve I, and the internal diameter of sleeve I is equal with the external diameter of sleeve II.
Technical characteristic of the invention also has：The internal diameter of the sleeve II and inner mold I and the equal diameters of inner mold II.
Technical characteristic of the invention also has：The external diameter on the seaming chuck and push-down head chassis is equal with outer mold external diameter.
Technical characteristic of the invention also has：There is circular draw-in groove on the push-down head chassis, there is the cylindrical projection corresponding with the draw-in groove on seaming chuck.
Technical characteristic of the invention also has：The equal diameters of circular draw-in groove and inner mold on the push-down head chassis, the diameter of the cylindrical projection on seaming chuck chassis is equal with the internal diameter of sleeve II.
The beneficial effects of the present invention are：This mould can simultaneously sinter the ring-shaped work pieces and axial workpiece prepared with different ratio, improve sintering efficiency and die life, and mould structure is simple and convenient to operate, uses graphite to be raw material, and cost is relatively low.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the invention, accompanying drawing 2 is generalized section of the invention, accompanying drawing 3 is seaming chuck structural representation, accompanying drawing 4 be push-down head structural representation wherein, 1 be outer mold, 2 be that sleeve I, 3 is that sleeve II, 4 is that inner mold I, 5 is that inner mold II, 6 is seaming chuck, 7 is push-down head.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is illustrated.The invention discloses a kind of assembling die for preparing powdered metal parts, the mould includes that outer mold 1, sleeve 2, sleeve 3, the inner mold 4 being placed in sleeve 3 and inner mold 5 and seaming chuck 6 and push-down head 7 are constituted.An annular die cavity is wherein made up of sleeve 2, sleeve 3, inner mold 5 and push-down head 7；One cylindrical mold cavity is constituted by sleeve 3, inner mold 4 and inner mold 5, equipped with the metal dust or alloy powder for preparing powdered metal parts in die cavity.
Wherein, the material of outer mold 1, sleeve 2, sleeve 3, the inner mold 4 being placed in sleeve 3 and inner mold 5 and seaming chuck 6 and push-down head 7 is graphite.
The internal diameter of outer mold 1 is equal with the external diameter of sleeve 2, and the internal diameter of sleeve 2 is equal with the external diameter of sleeve 3.
The internal diameter of sleeve 3 and inner mold 4 and the equal diameters of inner mold 5.
The external diameter on seaming chuck 6 and the chassis of push-down head 7 is equal with the external diameter of outer mold 1.
There is circular draw-in groove on the chassis of push-down head 7, there is the cylindrical projection corresponding with the draw-in groove on seaming chuck 6.
The equal diameters of circular draw-in groove and inner mold on the chassis of push-down head 7, the diameter of the cylindrical projection on the chassis of seaming chuck 6 is equal with the internal diameter of sleeve 3.
When using, inner mold 5 is placed in the locating slot of push-down head 7 first；Then by the inner surface of sleeve 2 and the major diameter fit of the locating slot of push-down head 7, the annular die cavity of composition；Subsequently mixed uniformly quantitative metal dust or alloy powder are fitted into annular die cavity, to ensure uniform in powder process is filled；The lower surface of sleeve 3 is pressed onto the upper surface of filled powder again；Cylindrical mold cavity is constituted by sleeve 3, inner mold 4 and inner mold 5, the quantitative metal dust or alloy powder of different ratio are loaded in the upper surface of inner mold 5, the lower surface of inner mold 4 is pressed onto the upper surface of filled powder；Sleeve 2, sleeve 3, inner mold 4, inner mold 5 are fitted into outer mold, and the chassis of push-down head 7 and the lower surface of outer mold 1 are coordinated；Again by the cylindrical projection of seaming chuck 6 and the minor diameter fit of sleeve 3, chassis and the upper surface of outer mold 1 of seaming chuck 6 coordinate；Finally in order to ensure sintering effect, with forcing press to the upper surface of seaming chuck 6 pressurization 30MPa, and pressurize 15min.It is sintered in vacuum sintering furnace according to hot-pressing sintering technique curve after prefabricated end, finally gives powder metallurgy cylindrical component and ring-shaped work pieces.
Described above not limitation of the present invention, the present invention is also not limited to the example above, change that those skilled in the art are made in essential scope of the invention, remodeling, addition or replaces, and falls within protection scope of the present invention.
Claims (7)
1. a kind of assembling die for preparing powdered metal parts, it is characterised in that：The mould includes that outer mold 1, sleeve 2, sleeve 3, the inner mold 4 being placed in sleeve 3 and inner mold 5 and seaming chuck 6 and push-down head 7 are constituted；An annular die cavity is wherein made up of sleeve 2, sleeve 3, inner mold 5 and push-down head 7；One cylindrical mold cavity is constituted by sleeve 3, inner mold 4 and inner mold 5, equipped with the metal dust or alloy powder for preparing powdered metal parts in die cavity.
2. according to the assembling die for preparing powdered metal parts described in claim 1, it is characterised in that：Outer mold 1, sleeve 2, sleeve 3, the material of the inner mold 4 being placed in sleeve 3 and inner mold 5 and seaming chuck 6 and push-down head 7 are graphite.
3. according to the assembling die for preparing powdered metal parts described in claim 1, it is characterised in that：The internal diameter of outer mold 1 is equal with the external diameter of sleeve 2, and the internal diameter of sleeve 2 is equal with the external diameter of sleeve 3.
4. according to the assembling die for preparing powdered metal parts described in claim 1, it is characterised in that：The internal diameter of sleeve 3 and inner mold 4 and the equal diameters of inner mold 5.
5. according to the assembling die for preparing powdered metal parts described in claim 1, it is characterised in that：The external diameter on seaming chuck 6 and the chassis of push-down head 7 is equal with the external diameter of outer mold 1.
6. according to the assembling die for preparing powdered metal parts described in claim 1, it is characterised in that：There is circular draw-in groove on the chassis of push-down head 7, there is the cylindrical projection corresponding with the draw-in groove on seaming chuck 6.
7. according to the assembling die for preparing powdered metal parts described in claim 6, it is characterised in that：The equal diameters of circular draw-in groove and inner mold on the chassis of push-down head 7, the diameter of the cylindrical projection on the chassis of seaming chuck 6 is equal with the internal diameter of sleeve 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913419.0A CN106862558A (en) | 2015-12-12 | 2015-12-12 | A kind of assembling die for preparing powdered metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913419.0A CN106862558A (en) | 2015-12-12 | 2015-12-12 | A kind of assembling die for preparing powdered metal parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106862558A true CN106862558A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510913419.0A Pending CN106862558A (en) | 2015-12-12 | 2015-12-12 | A kind of assembling die for preparing powdered metal parts |
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| CN (1) | CN106862558A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716925A (en) * | 2017-09-27 | 2018-02-23 | 西北工业大学 | A kind of super-pressure anti-slip mould for discharge plasma sintering |
| CN108097971A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | The hot pressed sintering mold and its application method of diamond-impregnated bit cutting tooth |
| CN108907185A (en) * | 2018-08-09 | 2018-11-30 | 横店集团东磁股份有限公司 | Hard alloy moulding stamper |
| CN110756799A (en) * | 2019-11-29 | 2020-02-07 | 安徽工业大学 | Foamed aluminum foaming precursor mould pressing preparation facilities |
| CN114799458A (en) * | 2022-03-30 | 2022-07-29 | 西安东瑞增材科技股份有限公司 | Diffusion welding method for super-multilayer hydrogen peroxide catalytic layer net |
-
2015
- 2015-12-12 CN CN201510913419.0A patent/CN106862558A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716925A (en) * | 2017-09-27 | 2018-02-23 | 西北工业大学 | A kind of super-pressure anti-slip mould for discharge plasma sintering |
| CN107716925B (en) * | 2017-09-27 | 2019-07-05 | 西北工业大学 | A kind of super-pressure anti-slip mold for discharge plasma sintering |
| CN108097971A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | The hot pressed sintering mold and its application method of diamond-impregnated bit cutting tooth |
| CN108907185A (en) * | 2018-08-09 | 2018-11-30 | 横店集团东磁股份有限公司 | Hard alloy moulding stamper |
| CN110756799A (en) * | 2019-11-29 | 2020-02-07 | 安徽工业大学 | Foamed aluminum foaming precursor mould pressing preparation facilities |
| CN114799458A (en) * | 2022-03-30 | 2022-07-29 | 西安东瑞增材科技股份有限公司 | Diffusion welding method for super-multilayer hydrogen peroxide catalytic layer net |
| CN114799458B (en) * | 2022-03-30 | 2023-06-20 | 西安东瑞增材科技股份有限公司 | Diffusion welding method for super-multilayer hydrogen peroxide catalytic layer net |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |