CN104001921B - A kind of method for preparing powder metallurgy of part - Google Patents
A kind of method for preparing powder metallurgy of part Download PDFInfo
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- CN104001921B CN104001921B CN201410245431.4A CN201410245431A CN104001921B CN 104001921 B CN104001921 B CN 104001921B CN 201410245431 A CN201410245431 A CN 201410245431A CN 104001921 B CN104001921 B CN 104001921B
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- base substrate
- cofferdam
- main body
- sintering
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Abstract
A kind of method for preparing powder metallurgy of part (9), described part (9) is strip, described method uses a kind of sintering equipment, the base substrate passage that described sintering equipment comprises main body (1) and tilts, described main body (1) is substantially in rectangular shape, described base substrate passage is arranged on obliquely from the upper left quarter of described main body (1) to right lower quadrant 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 generally within the middle part of described main body (1), and the surrounding of described sintering stage (3) is provided with heater (31,32).
Description
Technical field
The present invention relates to field of powder metallurgy, especially a kind of powder metallurgy preparation of cylindrical parts.
Background technology
Powder metallurgy is a kind of very useful and conventional preparation method during part manufactures.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 solving 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, to the preparation of powdered metal parts, there is restriction.Prepared by the part especially for Production line, the preparation of the part that volume is little and quantity is many, and its restriction is particularly evident.
If adopt multiple parts batch to sinter, a large amount of part can be made to gather and follow-up equipment leave unused; Easily cause the number of 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, it can carry out continuous-flow type production for the column class part of production line balance, avoids a large amount of part to gather on a production line, reduces the online circulation timei of part as far as possible.And make part blanks enter sintering furnace and leave sintering furnace process in 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 uses a kind of sintering equipment, described sintering equipment comprises the base substrate passage of main body and inclination, described main body is substantially in rectangular shape, described base substrate passage is arranged on described main body from the upper left quarter of described main body to right lower quadrant obliquely, 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 generally within the middle part of described main body, and the surrounding of described sintering stage is provided with heater.
Described feed zone to comprise 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 one by one can be entered in the sintering stage of described sintering equipment by described upper cofferdam and sinter, and one by one can leave described sintering equipment by described lower cofferdam after sintering completes.
Described method comprises the steps:
A utilizes the base substrate of part described in Mold Making;
B adheres to a dihedral holder respectively at the two ends of the base substrate of described part, thus forms angle body; Two described dihedral holders, all there is inclined plane, and when described two dihedral holders, after sticking to the two ends of the base substrate of described part, described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle is equal with the angle of described base substrate passage and horizontal direction; After adhesion, described two dihedral holders, described two inclined planes parallel; Described two dihedral holders, also all have and two of the base substrate of described part engagement side that end face is corresponding, and the periphery of described engagement side has protruding periphery, is the accommodation recess of two end faces of the base substrate holding described part in the centre of the periphery of described projection;
The described angle body that streamline produces is entered described sintering stage by described feed zone and sinters by C successively step by step, and is discharged successively by described discharging section; In use, the described inclined plane of described angle body is fitted with the bottom panel of corresponding cofferdam.
Pass through such scheme, due to while sintered part(s), the powdered metal parts base substrate of upstream subsequent production progressively can enter sintering furnace by admission passage, while not affecting the part sintered, the up-to-date base substrate produced can be made to enter sintering furnace start to sinter, therefore, decrease the holdup time of base substrate to greatest extent, decrease the carrying cost of production line.And continuously, speed produces sintered part(s) equably, also makes follow-up downstream production equipment decrease the vacant time, improves the utilization ratio of equipment, fully employ the depreciable cost of equipment as far as possible.By cabin section one by one enter center sintering stage and by the eccentric sintering stage of cabin section one by one, can not affect to greatest extent at burning part.
And, by dihedral holder of the present invention, which form the parallel inclined ramp at two ends, can coordinate with the ground of cabin section, thus when entering sintering furnace and leaving sintering furnace with cabin section smooth co-operation, reduce and rub and scratch.
And the present invention, without the need to special mould, greatly reduces the flexibility ratio of production cost and production, facilitates the spread of the method.And substantially increase 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.
Detailed description of the invention
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 uses a kind of sintering equipment, the base substrate passage that described sintering equipment comprises main body 1 and tilts, described main body 1 is substantially in rectangular shape, described base substrate passage is arranged on obliquely from the upper left quarter of described main body 1 to right lower quadrant 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 generally within the middle part of described main body 1, and the surrounding of described sintering stage 3 is provided with heater 31,32;
Described feed zone to comprise 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 one by one can be entered in the sintering stage 3 of described sintering equipment by described upper cofferdam 21,22,23 and sinter, and one by one can leave described sintering equipment by described lower cofferdam 41,42,43 after sintering completes;
Described method comprises the steps:
A utilizes the base substrate of part 9 described in Mold Making;
B adheres to a dihedral holder 8,18 respectively at the two ends of the base substrate of described part 9, thus forms angle body; Two described dihedral holders 8,18 all have inclined plane, and after described two dihedral holders 8,18 stick to the two ends of the base substrate of described part 9, described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle is equal with the angle of described base substrate passage and horizontal direction; After adhesion, described two inclined planes of described two dihedral holders 8,18 are parallel; Described two dihedral holders 8,18 also all have the engagement side corresponding with two end faces of the base substrate of described part 9, the periphery of described engagement side has protruding periphery, is the accommodation recess of two end faces of the base substrate holding described part 9 in the centre of the periphery of described projection;
The described angle body that streamline produces is entered described sintering stage 3 by described feed zone and sinters by C successively step by step, and is discharged successively by described discharging section; In use, the described inclined plane of described angle body is fitted with 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, thus 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 uses a kind of sintering equipment, the base substrate passage that described sintering equipment comprises main body (1) and tilts, described main body (1) is substantially in rectangular shape, described base substrate passage is arranged on obliquely from the upper left quarter of described main body (1) to right lower quadrant 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 generally within the middle part of described main body (1), and the surrounding of described sintering stage (3) is provided with heater (31,32);
Described feed zone to comprise 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) one by one can be entered in the sintering stage (3) of described sintering equipment by described upper cofferdam (21,22,23) and sinter, and one by one can leave described sintering equipment by described lower cofferdam (41,42,43) after sintering completes;
Described method comprises the steps:
A utilizes the base substrate of part described in Mold Making (9);
B adheres to a dihedral holder (8,18) respectively at the two ends of the base substrate of described part (9), thus forms angle body; Two described dihedral holders (8,18) all there is inclined plane, and when described two dihedral holders (8,18) after sticking to the two ends of the base substrate of described part (9), described inclined plane all acutangulates with the longitudinally of described base substrate, and described acute angle is equal with the angle of described base substrate passage and horizontal direction; After adhesion, described two inclined planes of described two dihedral holders (8,18) are parallel; Described two dihedral holders (8,18) also all there is the engagement side corresponding with two end faces of the base substrate of described part (9), the periphery of described engagement side has protruding periphery, is the accommodation recess of two end faces of the base substrate holding described part (9) in the centre of the periphery of described projection;
The described angle body that streamline produces is entered described sintering stage (3) by described feed zone and sinters by C successively step by step, and is discharged successively by described discharging section; In use, the described inclined plane of described angle body is fitted with the bottom panel of corresponding cofferdam.
2. method for preparing powder metallurgy as claimed in claim 1, wherein, described high-temperature-resistant thermal-insulation material is sintering heat-reserving brick.
3. method for preparing powder metallurgy as claimed in claim 1, wherein, described heater (31,32) is induction type heater.
4. method for preparing powder metallurgy as claimed in claim 1, wherein, the bottom panel of described cofferdam is mobilizable panel, thus 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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| Application Number | Priority Date | Filing Date | Title |
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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 CN104001921A (en) | 2014-08-27 |
| CN104001921B true CN104001921B (en) | 2015-10-28 |
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Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62247007A (en) * | 1986-04-19 | 1987-10-28 | Kubota Ltd | Production of sintered aluminum alloy parts |
-
2014
- 2014-06-04 CN CN201410245431.4A patent/CN104001921B/en active Active
Patent Citations (6)
| 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 |
| 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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| CN104001921A (en) | 2014-08-27 |
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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 |