CN103464743B - The uniform metal powder vacuum sintering furnace of a kind of heat - Google Patents
The uniform metal powder vacuum sintering furnace of a kind of heat Download PDFInfo
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- CN103464743B CN103464743B CN201310408011.9A CN201310408011A CN103464743B CN 103464743 B CN103464743 B CN 103464743B CN 201310408011 A CN201310408011 A CN 201310408011A CN 103464743 B CN103464743 B CN 103464743B
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Abstract
The present invention relates to the uniform metal powder vacuum sintering furnace of a kind of heat, comprise the hollow tube-shape body of sealing, with tubulose the first calandria of being close to described inner body wall setting, described body is connected with the vacuum plant for the cavity of body is vacuumized, it is characterized in that: also comprise tubulose or shaft-like the second calandria of being located at described body middle part, the second calandria axis is parallel to the first calandria axis. Metal powder vacuum sintering furnace of the present invention coordinates with the second calandria that is oppositely arranged on middle part to be oppositely arranged on the first peripheral calandria, can heat uniformly the blank being placed between the two, meet many batches of blank layerings and place the requirement that ensures sintering quality, also improved production efficiency simultaneously.
Description
Technical field
The present invention relates to field of powder metallurgy, relate in particular to a kind of metal powder vacuum sintering furnace.
Background technology
Metal powder injection molding is to develop at present a new forming technique rapidly, has the small parts that can form any complicated shape, and the good advantage of the each position of goods density uniformity. The common processes of this technology is that fine metal dust is mixed with binding agent, and the die cavity that adopts advanced injection injection to have part shape forms blank, is removed binding agent and is become high compaction subsequently by sintering, finally becomes metallic article. Vacuum sintering furnace is as a kind of general agglomerating plant, in vacuum environment, blank is heated and sintering, common calandria is only close to the inwall that is arranged on sintering furnace body, although can heat comparatively uniformly the blank that is placed on sintering furnace middle part, but in the time that layering in body of heater arranges many batches of blanks and heats simultaneously, can cause the uneven defect of heating.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides a kind of simple in structure, and middle part adds calandria and makes uniform heat distribution, improves the metal powder vacuum sintering furnace of sintering quality when raising the efficiency.
For achieving the above object, the technical solution used in the present invention is: the uniform metal powder vacuum sintering furnace of a kind of heat, comprise the hollow tube-shape body of sealing, with tubulose the first calandria of being close to described inner body wall setting, described body is connected with the vacuum plant for the cavity of body is vacuumized, it is characterized in that: also comprise tubulose or shaft-like the second calandria of being located at described body middle part, the second calandria axis is parallel to the first calandria axis.
Preferably, between described the first calandria and the second calandria, be provided with some length directions along body shaft to shelf, described shelf plane along continuous straight runs arranges.
Preferably, whole described shelves are symmetrical arranged in this body section.
Preferably, between described the first calandria and the second calandria, be provided with four to eight described shelves.
Preferably, described shelf is towards one end of the second calandria, and leaves space between the second calandria.
Preferably, described metal powder vacuum sintering furnace also comprises can be located at the feeding car sliding on described shelf, with respect to shelf, and described shelf is provided with guide rail, and feeding car bottom is provided with the wheel coordinating with described guide rail.
The invention solves the defect existing in background technology, metal powder vacuum sintering furnace of the present invention coordinates with the second calandria that is arranged on middle part to be oppositely arranged on the first peripheral calandria, can heat uniformly the blank being placed between the two, meet many batches of blank layerings and place the requirement that ensures sintering quality, also improved production efficiency simultaneously.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of body and first, second calandria in the preferred embodiments of the present invention;
Fig. 2 is the side view of body and shelf in the preferred embodiments of the present invention;
Fig. 3 is the side view that in the preferred embodiments of the present invention, feeding car coordinates with shelf;
In figure: 2, body, 4, the first calandria, 6, the second calandria, 7, cavity, 8, vacuum plant, 12, the first shelf, 14, the second shelf, 16, feeding car, 18, guide rail, 22, wheel.
Detailed description of the invention
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As Figure 1-3, the uniform metal powder vacuum sintering furnace of a kind of heat, comprise the hollow tube-shape body 2 of sealing, be close to tubulose the first calandria 4 that body 2 inwalls arrange, also comprise that tubulose or shaft-like the second calandria 6, the second calandria 6 axis of being located at body 2 middle parts are parallel to the first calandria 4 axis, are parallel to body 2 axis settings. Body 2 is connected with the vacuum plant 8 vacuumizing for the cavity 7 to body 2.
Concrete, the second calandria 6 and the first calandria 4 coaxially arrange. The second calandria 6 external diameters are preferably 1/4th to 1/3rd of the first calandria 4 internal diameters, both ensured to leave enough blank accommodation spaces between first, second calandria 4,6, ensure that again the second calandria 6 is circumferentially having certain area of dissipation towards the first calandria 4, improve the uniformity of heat. Between the first calandria 4 and the second calandria 6, be provided with some length directions along the axial shelf of body 2, shelf plane along continuous straight runs arranges. All shelf is symmetrical arranged in body 2 cross sections. Shelf is towards one end of the second calandria 6, and leaves space between the second calandria 6, and the heat of avoiding the second calandria 6 directly conduction, to shelf, and can not evenly be passed to blank. Four to eight shelves are set between the first calandria 4 and the second calandria 6 and are advisable, the best is eight of structure setting as shown in Figure 2. Take full advantage of body 2 inner spaces, increase the amount that heats successively blank, avoid again the too crowded of blank setting simultaneously and reduction sintering quality. Eight shelves of Fig. 2 comprise and are arranged on the first upper and lower shelf 12 of the second calandria 6, and be arranged on the second shelf 14 of the second calandria 6 left and right, the width of the second shelf 14 be the first calandria 4 internal diameters and the second calandria 6 external diameters difference 2/5ths, both ensure the stable support to blank, avoided again stopping the second heat supply of calandria 6 to blank.
Metal powder vacuum sintering furnace of the present invention also comprises can be located at the feeding car 16 sliding on shelf, with respect to shelf. Shelf is provided with guide rail 18, and feeding car 16 bottoms are provided with the wheel 22 coordinating with guide rail 18. Operating personnel can directly be placed on blank and on shelf, carry out sintering, also blank can be placed on feeding car 16, feeding car 16 is pushed in sintering furnace body 2 cavitys 7 by the guide rail 18 on shelf, when body 2 axial lengths are when longer, use feeding car 16 convenient, easily, being also beneficial to blank puts evenly.
Be enlightenment according to desirable embodiment of the present invention above, by above-mentioned description, related personnel can, not departing from the scope of this invention technological thought, carry out various change and amendment completely. The technical scope of this invention is not limited to the content on description, must determine technical scope according to claim scope.
Claims (3)
1. the uniform metal powder vacuum sintering furnace of heat, comprise the hollow tube-shape body of sealing, with tubulose the first calandria of being close to described inner body wall setting, described body is connected with the vacuum plant for the cavity of body is vacuumized, it is characterized in that: also comprise tubulose or shaft-like the second calandria of being located at described body middle part, the second calandria axis is parallel to the first calandria axis; Between described the first calandria and the second calandria, be provided with some length directions along body shaft to shelf, described shelf plane along continuous straight runs arranges; Also comprise and can be located at the feeding car sliding on described shelf, with respect to shelf, described shelf is provided with guide rail, and feeding car bottom is provided with the wheel coordinating with described guide rail; Described shelf is towards one end of the second calandria, and leaves space between the second calandria.
2. the uniform metal powder vacuum sintering furnace of a kind of heat according to claim 1, is characterized in that: whole described shelves are symmetrical arranged in this body section.
3. the uniform metal powder vacuum sintering furnace of a kind of heat according to claim 1, is characterized in that: between described the first calandria and the second calandria, be provided with four to eight described shelves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408011.9A CN103464743B (en) | 2013-09-10 | 2013-09-10 | The uniform metal powder vacuum sintering furnace of a kind of heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310408011.9A CN103464743B (en) | 2013-09-10 | 2013-09-10 | The uniform metal powder vacuum sintering furnace of a kind of heat |
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| Publication Number | Publication Date |
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| CN103464743A CN103464743A (en) | 2013-12-25 |
| CN103464743B true CN103464743B (en) | 2016-05-25 |
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| CN201310408011.9A Active CN103464743B (en) | 2013-09-10 | 2013-09-10 | The uniform metal powder vacuum sintering furnace of a kind of heat |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498040A (en) * | 2017-09-11 | 2017-12-22 | 重庆市九瑞粉末冶金有限责任公司 | A kind of sintering furnace for field of powder metallurgy |
| CN108213419B (en) * | 2018-01-15 | 2020-01-31 | 北京京磁电工科技有限公司 | Neodymium iron boron sintering tempering method |
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| CN2424433Y (en) * | 2000-05-14 | 2001-03-21 | 陈强 | High vacuum fritting furnace |
| JP2004053046A (en) * | 2002-07-16 | 2004-02-19 | Daido Steel Co Ltd | Heating device in heat treatment furnace |
| CN1952573A (en) * | 2005-10-20 | 2007-04-25 | 李永华 | Vacuum sintering furnace |
| CN202915693U (en) * | 2012-10-26 | 2013-05-01 | 天津三环乐喜新材料有限公司 | Vacuum welding furnace |
| CN202993805U (en) * | 2012-12-28 | 2013-06-12 | 济宁市聚海磁业有限公司 | Vacuum sintering furnace |
| CN203163472U (en) * | 2013-04-07 | 2013-08-28 | 重庆润泽医药有限公司 | Microwave vacuum sintering furnace |
| CN203495217U (en) * | 2013-09-10 | 2014-03-26 | 苏州米莫金属科技有限公司 | Metal powder vacuum sintering furnace with uniform heat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202915716U (en) * | 2012-08-23 | 2013-05-01 | 爱发科中北真空（沈阳）有限公司 | Material feeding mechanism for vacuum sintering furnace |
-
2013
- 2013-09-10 CN CN201310408011.9A patent/CN103464743B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424433Y (en) * | 2000-05-14 | 2001-03-21 | 陈强 | High vacuum fritting furnace |
| JP2004053046A (en) * | 2002-07-16 | 2004-02-19 | Daido Steel Co Ltd | Heating device in heat treatment furnace |
| CN1952573A (en) * | 2005-10-20 | 2007-04-25 | 李永华 | Vacuum sintering furnace |
| CN202915693U (en) * | 2012-10-26 | 2013-05-01 | 天津三环乐喜新材料有限公司 | Vacuum welding furnace |
| CN202993805U (en) * | 2012-12-28 | 2013-06-12 | 济宁市聚海磁业有限公司 | Vacuum sintering furnace |
| CN203163472U (en) * | 2013-04-07 | 2013-08-28 | 重庆润泽医药有限公司 | Microwave vacuum sintering furnace |
| CN203495217U (en) * | 2013-09-10 | 2014-03-26 | 苏州米莫金属科技有限公司 | Metal powder vacuum sintering furnace with uniform heat |
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| CN103464743A (en) | 2013-12-25 |
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