CN104001921A - Powder metallurgy preparation method for component - Google Patents
Powder metallurgy preparation method for component Download PDFInfo
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- CN104001921A CN104001921A CN201410245431.4A CN201410245431A CN104001921A CN 104001921 A CN104001921 A CN 104001921A CN 201410245431 A CN201410245431 A CN 201410245431A CN 104001921 A CN104001921 A CN 104001921A
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- base substrate
- sintering
- cofferdam
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Abstract
The invention discloses a powder metallurgy preparation method for a component (9). The component (9) is strip-shaped, and the powder metallurgy preparation method uses a sintering device. The sintering device comprises an approximately rectangular body (1) and an oblique blank passage, the blank passage is obliquely formed in the body (1) from the left upper part of the body (1) to the right lower part, and the body (1) is filled with high temperature-resistant insulation materials around the blank passage. The blank passage comprises a feed section, a sintering section (3) and a discharge section in sequence from the top to bottom, the sintering section (3) is basically located at the middle of the body (1), and heating devices (31, 32) are mounted around the sintering section (3).
Description
Technical field
The present invention relates to field of powder metallurgy, especially a kind of powder metallurgy preparation of column part.
Background technology
Powder metallurgy is a kind of very useful and conventional preparation method during part is manufactured.Powder metallurgy be produce metal or with metal dust as raw material, through being shaped and sintering, manufacture the technology of metal material, composite and all kinds goods.Due to the advantage of PM technique, it has become the key that solves new material problem, plays a part very important in the development of new material.
But the sintering process in powdered metal parts preparation process has the advantages that the time is long, power consumption is high.Therefore, the preparation of powdered metal parts is had to restriction.Especially for the part preparation of Production line, the preparation of the little and part that quantity is many of volume, its restriction is particularly evident.
If adopt a plurality of parts batch sintering, can make a large amount of parts gather and follow-up equipment idle; Easily cause the number of spare parts of online production to increase, increase carrying cost.
Summary of the invention
The object of this invention is to provide powder metallurgy preparation system, its column class part that can produce for streamline carries out continuous-flow type production, avoids a large amount of parts to accumulate on production line, reduces the online circulation timei of part as far as possible.And make part base substrate in entering sintering furnace and leaving the process of sintering furnace steadily.
The technical solution used in the present invention is as follows:
A kind of method for preparing powder metallurgy of part, described part is strip, described method is used a kind of sintering equipment, described sintering equipment comprises the base substrate passage of main body and inclination, described main body is rectangular shape substantially, described base substrate passage is arranged on described main body to right lower quadrant obliquely from the upper left quarter of described main body, and described main body is filled with high-temperature-resistant thermal-insulation material around described base substrate channel setting; Described base substrate passage comprises feed zone, sintering stage and discharging section from top to bottom successively, and described sintering stage is positioned at the middle part of described main body substantially, and the surrounding of described sintering stage is provided with heater.
Described feed zone comprises on rewinding mouth, first on cofferdam, second cofferdam on cofferdam and the 3rd from top to bottom successively.
Described discharging section comprises first time cofferdam, second time cofferdam, the 3rd time cofferdam and rewinding mouth from top to bottom successively.
The base substrate of described part can be one by one entered in the sintering stage of described sintering equipment and is carried out sintering by described upper cofferdam, after sintering completes, can one by one by described lower cofferdam, leave described sintering equipment.
Described method comprises the steps:
A utilizes the base substrate of part described in Mold Making;
B adheres to respectively a dihedral holder at the two ends of the base substrate of described part, thereby forms angle body; Two described dihedral holders, all there is inclined plane, and when described two dihedral holders, stick to behind the two ends of base substrate of described part, described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle equates with the angle of described base substrate passage and horizontal direction; After adhering to, described two dihedral holders, described two inclined planes parallel; Described two dihedral holders, also all have two engage side that end face is corresponding with the base substrate of described part, and the periphery of described engage side has protruding periphery, in the centre of the periphery of described projection, be hold described part base substrate two end faces hold recess;
C enters step by step described sintering stage by described feed zone successively by the described angle body producing on streamline and carries out sintering, and discharges successively by described discharging section; In use, the described inclined plane of described angle body and the laminating of the bottom panel of corresponding cofferdam.
Pass through such scheme, due in sintered part(s), the powdered metal parts base substrate of upstream subsequent production can progressively enter sintering furnace by admission passage, when just not affecting the part at sintering, can make the up-to-date base substrate of producing enter sintering furnace and start to carry out sintering, therefore, reduce to greatest extent the holdup time of base substrate, reduced the carrying cost of production line.And, continuously, speed produces sintered part(s) equably, also makes follow-up downstream production equipment reduce the vacant time as far as possible, improved the utilization ratio of equipment, fully used the depreciable cost of equipment.By cabin section one by one, enter the sintering stage at center and by the eccentric sintering stage of cabin section one by one, can not affect to greatest extent and burning part.
And by dihedral holder of the present invention, it has formed the parallel inclined ramp at two ends, can coordinate with the ground of cabin section, thereby steadily coordinate with cabin section when entering sintering furnace and leaving sintering furnace, reduce friction and scratch.
And the present invention, without special mould, greatly reduces the flexibility ratio of production cost and production, has promoted the spread of the method.And greatly improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of sintering furnace of the present invention.
Fig. 2 is the structural representation of the angle body after adhesion dihedral of the present invention holder.
The specific embodiment
Below in conjunction with Fig. 1-2, the present invention is described in detail.
A kind of method for preparing powder metallurgy of part 9, described part 9 is strip, described method is used a kind of sintering equipment, described sintering equipment comprises main body 1 and the base substrate passage tilting, described main body 1 is rectangular shape substantially, described base substrate passage is arranged on described main body 1 to right lower quadrant obliquely from the upper left quarter of described main body 1, and described main body 1 is filled with high-temperature-resistant thermal-insulation material around described base substrate channel setting; Described base substrate passage comprises feed zone, sintering stage 3 and discharging section from top to bottom successively, and described sintering stage 3 is positioned at the middle part of described main body 1 substantially, and the surrounding of described sintering stage 3 is provided with heater 31,32;
Described feed zone comprises on rewinding mouth 2, first on cofferdam 21, second cofferdam 23 on cofferdam 22 and the 3rd from top to bottom successively;
Described discharging section comprises first time cofferdam 41, second time cofferdam 42, the 3rd time cofferdam 43 and rewinding mouth 4 from top to bottom successively;
The base substrate of described part 9 can be one by one entered in the sintering stage 3 of described sintering equipment and is carried out sintering by described upper cofferdam 21,22,23, after sintering completes, can one by one by described lower cofferdam 41,42,43, leave described sintering equipment;
Described method comprises the steps:
A utilizes the base substrate of part 9 described in Mold Making;
B adheres to respectively a dihedral holder 8,18 at the two ends of the base substrate of described part 9, thereby forms angle body; Two described dihedral holders 8,18 all have inclined plane, and stick to behind the two ends of base substrate of described part 9 when described two dihedral holders 8,18, described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle equates with the angle of described base substrate passage and horizontal direction; After adhering to, described two inclined planes of described two dihedral holders 8,18 are parallel; Described two dihedral holders 8,18 also all have two engage side that end face is corresponding with the base substrate of described part 9, the periphery of described engage side has protruding periphery, in the centre of the periphery of described projection, be hold described part 9 base substrate two end faces hold recess;
C enters step by step described sintering stage 3 by described feed zone successively by the described angle body producing on streamline and carries out sintering, and discharges successively by described discharging section; In use, the described inclined plane of described angle body and the laminating of the bottom panel of corresponding cofferdam.
Wherein, described high-temperature-resistant thermal-insulation material is sintering heat-reserving brick.
Wherein, described heater 31,32 is induction type heater.
Wherein, the bottom panel of described cofferdam is mobilizable panel, thereby makes corresponding cofferdam open and close.
Claims (4)
1. the method for preparing powder metallurgy of a part (9), described part (9) is strip, described method is used a kind of sintering equipment, described sintering equipment comprises main body (1) and the base substrate passage tilting, described main body (1) is rectangular shape substantially, described base substrate passage is arranged on described main body (1) to right lower quadrant obliquely from the upper left quarter of described main body (1), and described main body (1) is filled with high-temperature-resistant thermal-insulation material around described base substrate channel setting; Described base substrate passage comprises feed zone, sintering stage (3) and discharging section from top to bottom successively, described sintering stage (3) is positioned at the middle part of described main body (1) substantially, and the surrounding of described sintering stage (3) is provided with heater (31,32);
Described feed zone comprises on rewinding mouth (2), first on cofferdam (21), second cofferdam (23) on cofferdam (22) and the 3rd from top to bottom successively;
Described discharging section comprises first time cofferdam (41), second time cofferdam (42), the 3rd time cofferdam (43) and rewinding mouth (4) from top to bottom successively;
The base substrate of described part (9) can be one by one entered in the sintering stage (3) of described sintering equipment and is carried out sintering by described upper cofferdam (21,22,23), after sintering completes, can one by one by described lower cofferdam (41,42,43), leave described sintering equipment;
Described method comprises the steps:
A utilizes the base substrate of part (9) described in Mold Making;
B adheres to respectively a dihedral holder (8,18) at the two ends of the base substrate of described part (9), thereby forms angle body; Two described dihedral holders (8,18) all there is inclined plane, and when described two dihedral holders (8,18) stick to behind the two ends of base substrate of described part (9), described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle equates with the angle of described base substrate passage and horizontal direction; After adhering to, described two inclined planes of described two dihedral holders (8,18) are parallel; Described two dihedral holders (8,18) also all there are two engage side that end face is corresponding with the base substrate of described part (9), the periphery of described engage side has protruding periphery, in the centre of the periphery of described projection for hold described part (9) base substrate two end faces hold recess;
C enters step by step described sintering stage (3) by described feed zone successively by the described angle body producing on streamline and carries out sintering, and discharges successively by described discharging section; In use, the described inclined plane of described angle body and the laminating of the bottom panel of corresponding cofferdam.
2. powder metallurgy preparation system as claimed in claim 1, wherein, described high-temperature-resistant thermal-insulation material is sintering heat-reserving brick.
3. powder metallurgy preparation system as claimed in claim 1, wherein, described heater (31,32) is induction type heater.
4. powder metallurgy preparation system as claimed in claim 1, wherein, the bottom panel of described cofferdam is mobilizable panel, thereby makes corresponding cofferdam open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245431.4A CN104001921B (en) | 2014-06-04 | 2014-06-04 | A kind of method for preparing powder metallurgy of part |
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| CN201410245431.4A CN104001921B (en) | 2014-06-04 | 2014-06-04 | A kind of method for preparing powder metallurgy of part |
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| CN104001921A true CN104001921A (en) | 2014-08-27 |
| CN104001921B CN104001921B (en) | 2015-10-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1252051A1 (en) * | 1985-01-24 | 1986-08-23 | Предприятие П/Я Р-6058 | Automatic line for making aricles from metallic powders |
| JPS62247007A (en) * | 1986-04-19 | 1987-10-28 | Kubota Ltd | Production of sintered aluminum alloy parts |
| CN201148008Y (en) * | 2008-01-25 | 2008-11-12 | 横店集团东磁股份有限公司 | Automatic billet knockout mechanism having improved structure |
| CN201506614U (en) * | 2009-07-22 | 2010-06-16 | 成都威士达粉末冶金有限公司 | Automatic conveyer |
| CN201940606U (en) * | 2010-12-28 | 2011-08-24 | 嘉兴市科峰磁电有限公司 | Magnetic core production clamp tray |
| CN102218534A (en) * | 2010-04-14 | 2011-10-19 | 株式会社松浦机械制作所 | Apparatus for producing three-dimensional shaped product |
| CN103801688A (en) * | 2012-11-08 | 2014-05-21 | 沈阳中北真空科技有限公司 | Rare earth permanent magnetic alloy continuous sintering equipment |
-
2014
- 2014-06-04 CN CN201410245431.4A patent/CN104001921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1252051A1 (en) * | 1985-01-24 | 1986-08-23 | Предприятие П/Я Р-6058 | Automatic line for making aricles from metallic powders |
| JPS62247007A (en) * | 1986-04-19 | 1987-10-28 | Kubota Ltd | Production of sintered aluminum alloy parts |
| CN201148008Y (en) * | 2008-01-25 | 2008-11-12 | 横店集团东磁股份有限公司 | Automatic billet knockout mechanism having improved structure |
| CN201506614U (en) * | 2009-07-22 | 2010-06-16 | 成都威士达粉末冶金有限公司 | Automatic conveyer |
| CN102218534A (en) * | 2010-04-14 | 2011-10-19 | 株式会社松浦机械制作所 | Apparatus for producing three-dimensional shaped product |
| CN201940606U (en) * | 2010-12-28 | 2011-08-24 | 嘉兴市科峰磁电有限公司 | Magnetic core production clamp tray |
| CN103801688A (en) * | 2012-11-08 | 2014-05-21 | 沈阳中北真空科技有限公司 | Rare earth permanent magnetic alloy continuous sintering equipment |
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| CN104001921B (en) | 2015-10-28 |
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Address after: 315599, No. 78, Mao Mao Road, three horizontal economic development zone, Ningbo City, Zhejiang, Fenghua Patentee after: Zhejiang Henderson Yongxin new material Limited by Share Ltd Address before: 315599, No. 78, Mao Mao Road, three horizontal economic development zone, Ningbo City, Zhejiang, Fenghua Patentee before: Ningbo Heng Jiyongxin powder metallurgy Co., Ltd |