CN102506576A - Microwave sintering equipment - Google Patents

Microwave sintering equipment Download PDF

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Publication number
CN102506576A
CN102506576A CN2011103552128A CN201110355212A CN102506576A CN 102506576 A CN102506576 A CN 102506576A CN 2011103552128 A CN2011103552128 A CN 2011103552128A CN 201110355212 A CN201110355212 A CN 201110355212A CN 102506576 A CN102506576 A CN 102506576A
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China
Prior art keywords
microwave sintering
microwave
heater
drying oven
vacuum drying
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CN2011103552128A
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Chinese (zh)
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CN102506576B (en
Inventor
戴煜
羊建高
谭兴龙
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Wuhu Tianniao High Tech Co ltd
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Advanced Corp for Materials and Equipments Co Ltd
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Abstract

An embodiment of the invention discloses microwave sintering equipment, which comprises a vacuum furnace body, a material shifting mechanism, a microwave sintering device and a microwave source. The microwave sintering device is arranged on the material shifting structure, and the material shifting structure which is capable of sliding along an extension direction of the vacuum furnace body is mounted in the vacuum furnace body. The material shifting mechanism can slide inside the vacuum furnace body in a reciprocating manner, accordingly, the material sintering device is driven to reciprocate under the heating effect of the microwave source, materials can be uniformly heated, and problems of deformation, cracking and the like of sintered articles due to local heating are avoided. In addition, by the aid of the microwave sintering equipment, the materials can be uniformly heated, and the sintering quality of the materials is improved.

Description

A kind of microwave sintering apparatus
Technical field
The present invention relates to pulverulent product agglomerating plant technical field, more particularly, relate in particular to a kind of microwave sintering apparatus.
Background technology
The sintered metal product sintering is mainly by traditional electric furnace sintering, because energy consumption is high, power reaches production and the PM technique development that long shortcomings such as (reaching tens hours) of sintering period seriously restricts sintered metal product greatly at present.
So, how to seek a kind of new powder metallurgy sintered method and research and develop the important topic that a kind of new powder metallurgy sintered equipment has become this those skilled in the art's research.
After deliberation and facts have proved; The sintering period of microwave sintering apparatus only needs five minutes to 1/10th of traditional electric furnace; Sintering power only needs five minutes to 1/10th of traditional electric furnace, so microwave sintering has short, advantage such as sintering power is little, energy consumption is low of sintering period.Microwave sintering apparatus meets the requirement of national low-carbon economy as a kind of novel energy-saving and cost-reducing equipment, receives more and more enterprises and likes, in recent years, microwave sintering apparatus has obtained development at full speed in the research of application facet.
At present, though microwave sintering apparatus is applied to the sintered metal product sintering, the function of microwave sintering apparatus of the prior art is unsatisfactory; Wherein, Can't accomplish even heating to material during the microwave sintering apparatus sintering, the inhomogeneous a part of burning that very easily causes material of material heating, another part material underburnt; Thereby the material that causes being sintered distortion or cracking cause serious damage to the quality of product.
Therefore, how a kind of microwave sintering apparatus that can evenly heat material being provided, to improve the sintering quality of material, is the technical barrier that those skilled in the art need solve.
Summary of the invention
In view of this, the invention provides a kind of microwave sintering apparatus, can evenly heat, to improve the sintering quality of material to material.
In order to achieve the above object, the embodiment of the invention provides following technical scheme:
A kind of microwave sintering apparatus comprises vacuum drying oven body of heater, material travel mechanism, microwave sintering device and microwave source;
Said microwave sintering device is arranged in the said material travel mechanism, and said microwave source is installed on said vacuum drying oven body of heater, and is suspended from the top of said microwave sintering device;
It is inner that said material travel mechanism can be installed on said vacuum drying oven body of heater slidably along the extension direction of said vacuum drying oven body of heater.
Preferably, said material travel mechanism is provided with material movable support bracket and material movable support bracket down;
Said microwave sintering device comprises the last microwave sintering device that is arranged at the material movable support bracket and is arranged at the said following microwave sintering device of material movable support bracket down;
Said microwave source comprises and said microwave sintering device and the corresponding last microwave source and following microwave source of following microwave sintering device gone up of difference.
Preferably, the said both sides of the lower surface of material movable support bracket down are provided with mobile rack, and said mobile rack stretches out downwards and the direction of displacement of the said material in edge travel mechanism extends; Said vacuum drying oven body of heater is provided with corresponding respectively two fixed supporting frames of two said mobile racks and can be installed on the rotating shaft between the two said fixed supporting frames with rotating in a circumferential direction; Said material displacement mechanism is slidably mounted on said fixed supporting frame, and an end of said rotating shaft is connected with rotating driving device, and said rotating shaft is provided with the swing pinion that two difference can cooperate with two said mobile racks.
Preferably, said rotating driving device is electric speed reducing motor or stepping motors or electric reducer.
Preferably, the upper end of said vacuum drying oven body of heater is provided with the first protective atmosphere gas inflated mouth and the second protective atmosphere gas inflated mouth.
Preferably, the top of said vacuum drying oven body of heater also is provided with the infrared measurement of temperature interface.
Preferably, the bottom of said vacuum drying oven body of heater is provided with degreasing de-waxing valve.
Preferably, said microwave sintering device comprises that the ripple boat is passed through in insulation and ripple boat lid is passed through in insulation;
Said insulation is passed through the ripple boat and is passed through ripple boat lid formation material sintering chamber with insulation;
The top that ripple boat lid is passed through in said insulation is provided with the infrared measurement of temperature hole of running through its thickness direction.
Preferably, said vacuum drying oven body of heater also is provided with the vacuum system interface.
On the basis of technique scheme, a kind of microwave sintering apparatus provided by the invention comprises vacuum drying oven body of heater, material travel mechanism, microwave sintering device and microwave source; Said microwave sintering device is arranged in the said material travel mechanism, and said microwave source is installed on said vacuum drying oven body of heater, and is suspended from the top of said microwave sintering device; It is inner that said material travel mechanism can be installed on said vacuum drying oven body of heater slidably along the extension direction of said vacuum drying oven body of heater.
Microwave sintering apparatus provided by the invention; It is inner that the material of band sintering is arranged at the microwave sintering device; The microwave sintering device is arranged on material travel mechanism, the displacement that can reciprocatingly slide in vacuum drying oven body of heater inside of material travel mechanism, thus drive material sintering equipment shift reciprocately under the heating of microwave source; Thereby make material to be heated equably, local heat can not occur and cause the phenomenon such as distortion and cracking of sintering article.
Microwave sintering apparatus provided by the invention can evenly heat material, improves the sintering quality of material.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall structure sketch map of microwave sintering apparatus provided by the invention;
Fig. 2 is the internal structure sketch map of microwave sintering apparatus provided by the invention;
Fig. 3 is the structural representation of material sintering equipment in the microwave sintering apparatus provided by the invention.
Among Fig. 1-Fig. 3:
1, vacuum drying oven body of heater; 2, material travel mechanism; 3, material sintering equipment; 4 microwave sources; 5, infrared measurement of temperature interface; 6, the first protective atmosphere gas inflated mouth; 7, the second protective atmosphere gas inflated mouth; 8, vacuum system interface; 9, degreasing de-waxing valve; 10, go up the material movable support bracket; 11, mobile rack; 12, swing pinion; 13, rotating shaft; 14, fixed supporting frame; 15, the ripple boat is passed through in insulation; 16, ripple boat lid is passed through in insulation; 17, infrared measurement of temperature hole; 18, material sintering chamber.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In the argumentation hereinafter, please refer to Fig. 1-Fig. 3, Fig. 1 is the overall structure sketch map of microwave sintering apparatus provided by the invention; Fig. 2 is the internal structure sketch map of microwave sintering apparatus provided by the invention; Fig. 3 is the structural representation of material sintering equipment in the microwave sintering apparatus provided by the invention.
Microwave sintering apparatus provided by the invention comprises vacuum drying oven body of heater 1, material travel mechanism 2, microwave sintering device 3 and microwave source 4; Microwave sintering device 3 is arranged in the material travel mechanism 2, and microwave source 4 is installed on vacuum drying oven body of heater 1, and is suspended from the top of microwave sintering device 3; Material travel mechanism 2 can be installed on vacuum drying oven body of heater 1 inside slidably along the extension direction of vacuum drying oven body of heater 1.
Microwave sintering apparatus provided by the invention; The material of band sintering is arranged at microwave sintering device 3 inside; Microwave sintering device 3 is arranged on material travel mechanism 2, material travel mechanism 2 displacement that can reciprocatingly slide in vacuum drying oven body of heater 1 inside, thus drive material sintering equipment 3 shift reciprocately under the heating of microwave source 4; Thereby make material to be heated equably, local heat can not occur and cause the phenomenon such as distortion and cracking of sintering article.
Microwave sintering apparatus provided by the invention can evenly heat material, improves the sintering quality of material.
Further, on the basis of technique scheme, in order to increase the utilization rate to vacuum drying oven body of heater 1 inner space, material travel mechanism 2 is provided with material movable support bracket 10 and following material movable support bracket; Microwave sintering device 3 comprises last microwave sintering device that is arranged at material movable support bracket 10 and the following microwave sintering device that is arranged at down the material movable support bracket; Microwave source 4 comprises and goes up microwave sintering device and the corresponding last microwave source and following microwave source of following microwave sintering device respectively.
That is, heat-agglomerating can be carried out to two-layer material sintering equipment 3 simultaneously in the inside of vacuum drying oven body of heater 1, has improved the utilization rate of vacuum drying oven body of heater 1 inner space.
Concrete, to mention material travel mechanism 2 in the technique scheme and can in the vacuum drying oven body of heater, slide, the fit system between material travel mechanism 2 and the vacuum drying oven body of heater 1 can have multiple choices; For example: can be slide rail with chute between cooperate, can be pilot hole with lead between cooperate or the like, as long as can realize that material travel mechanism 2 is in the inner slip of vacuum drying oven body of heater 1.
Preferably, fit system is following between material travel mechanism 2 and the vacuum drying oven body of heater 1: the both sides of the lower surface of following material movable support bracket are provided with mobile rack 11, and mobile rack 11 stretches out downwards and extends along the direction of displacement of material travel mechanism; Vacuum drying oven body of heater 1 is provided with corresponding respectively two fixed supporting frames 14 of two mobile racks 11 and can be installed on the rotating shaft 13 between two fixed supporting frames 14 with rotating in a circumferential direction; Material displacement mechanism 2 is slidably mounted on fixed supporting frame 14, and an end of rotating shaft 13 is connected with rotating driving device, and rotating shaft 13 is provided with the swing pinion 12 that two difference can cooperate with two mobile racks 11.
Preferably, the rotating driving device of mentioning in the technique scheme is specially electric speed reducing motor or stepping motors or electric reducer.
In concrete operations, make circular motion by electric speed reducing motor or stepper motor or electric reducer structure driven rotary axle 13; The swing pinion 12 that is provided with on the rotating shaft 13 rotates with rotating shaft 13 simultaneously, and the mobile rack 11 that swing pinion 12 drives material movable support bracket below setting down seesaws; Because microwave sintering device 3 places in the material travel mechanism 2, therefore when mobile rack 11 seesawed, microwave sintering device 3 and microwave sintering device 3 inner materials were made front-rear reciprocation movement simultaneously.Microwave source 4 places the top of microwave sintering device 3, and when the material sintering, microwave sintering device 3 and microwave sintering device 3 inner materials are done antenatal back simultaneously and moved back and forth, so material can finely obtain heating equably, and it is better that sintering obtains product quality.The material of effectively having stopped to occur in the conventional microwave agglomerating furnace material sintering process is half-cooked, phenomenons such as the local burning of the uneven material that causes of heating, local underburnt.
In order to reduce the oxidation of material in sintering process, the upper end of vacuum drying oven body of heater 1 is provided with the first protective atmosphere gas inflated mouth 6 and the second protective atmosphere gas inflated mouth 7.Before material carries out sintering; Can charge into an amount of protective gas to vacuum drying oven body of heater 1 inside through the first protective atmosphere gas inflated mouth 6 and the second protective atmosphere gas inflated mouth 7; Nitrogen etc. for example; To reduce the content of oxygen in vacuum drying oven body of heater 1 inner air, many materials play a protective role.
Further, the top of vacuum drying oven body of heater 1 also is provided with infrared measurement of temperature interface 5.The infrared measurement of temperature instrument can be installed by infrared measurement of temperature interface 5 places, and vacuum drying oven body of heater 1 temperature inside is monitored at any time.
Microwave sintering apparatus provided by the invention, the bottom of its vacuum drying oven body of heater 1 are provided with degreasing de-waxing valve 9.That is, this microwave sintering apparatus also has the dewaxing degreasing sintering that comes unstuck, the atmosphere hydrodesulfurization//dewaxing degreasing functions such as sintering of coming unstuck.
In order to strengthen the intensification efficient of 4 pairs of material sintering equipment 3 materials inside of microwave source, microwave sintering device 3 comprises that ripple boat 15 is passed through in insulation and ripple boat lid 16 is passed through in insulation; Ripple boat 15 is passed through in insulation, and ripple boat lid 16 forms material sintering chamber 18 with being incubated thoroughly; The top that ripple boat lid 16 is passed through in insulation is provided with the infrared measurement of temperature hole 17 of running through its thickness direction.Insulation is passed through ripple boat 15 and insulation and is passed through ripple boat lid 16 and have microwave penetration property and well have simultaneously the good effect of high-temperature-resistant thermal-insulation property again, so, can guarantee the sintering that is rapidly heated of 4 pairs of material sintering equipment 3 materials inside of microwave source.
Certainly, vacuum drying oven body of heater 1 also is provided with vacuum system interface 8.
Vacuum system interface 8; When material or product sintering; To burn with vacuum system and to be evacuated to certain vacuum or condition of high vacuum degree in the stove; Satisfy material vacuum sintering or vacuum pressed sintering or vacuum-atmosphere sintering, group technology requirements such as vacuum degreasing pressurization protective atmosphere sintering, thus realize best material sintering process.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (9)

1. a microwave sintering apparatus is characterized in that: comprise vacuum drying oven body of heater (1), material travel mechanism (2), microwave sintering device (3) and microwave source (4);
Said microwave sintering device (3) is arranged in the said material travel mechanism (2), and said microwave source (4) is installed on said vacuum drying oven body of heater (1), and is suspended from the top of said microwave sintering device (3);
Said material travel mechanism (2) can be installed on said vacuum drying oven body of heater (1) inside slidably along the extension direction of said vacuum drying oven body of heater (1).
2. microwave sintering apparatus according to claim 1 is characterized in that: said material travel mechanism (2) is provided with material movable support bracket (10) and following material movable support bracket;
Said microwave sintering device (3) comprises the last microwave sintering device that is arranged at material movable support bracket (10) and is arranged at the said following microwave sintering device of material movable support bracket down;
Said microwave source (4) comprises and said microwave sintering device and the corresponding last microwave source and following microwave source of following microwave sintering device gone up of difference.
3. microwave sintering apparatus according to claim 2 is characterized in that: the said both sides of the lower surface of material movable support bracket down are provided with mobile rack (11), and said mobile rack (11) stretches out downwards and the direction of displacement of the said material in edge travel mechanism extends; Said vacuum drying oven body of heater (1) is provided with two fixed supporting frames (14) corresponding with two said mobile racks (11) difference and can be installed on the rotating shaft (13) between the two said fixed supporting frames (14) with rotating in a circumferential direction; Said material displacement mechanism (2) is slidably mounted on said fixed supporting frame (14); One end of said rotating shaft (13) is connected with rotating driving device, and said rotating shaft (13) is provided with the swing pinion (12) that two difference can cooperate with two said mobile racks (11).
4. microwave sintering apparatus according to claim 3 is characterized in that: said rotating driving device is electric speed reducing motor or stepping motors or electric reducer.
5. microwave sintering apparatus according to claim 1 is characterized in that: the upper end of said vacuum drying oven body of heater (1) is provided with the first protective atmosphere gas inflated mouth (6) and the second protective atmosphere gas inflated mouth (7).
6. microwave sintering apparatus according to claim 5 is characterized in that: the top of said vacuum drying oven body of heater (1) also is provided with infrared measurement of temperature interface (5).
7. microwave sintering apparatus according to claim 6 is characterized in that: the bottom of said vacuum drying oven body of heater (1) is provided with degreasing de-waxing valve (9).
8. microwave sintering apparatus according to claim 6 is characterized in that: said microwave sintering device (3) comprises that ripple boat (15) is passed through in insulation and ripple boat lid (16) is passed through in insulation;
Ripple boat (15) is passed through in said insulation and ripple boat lid (16) formation material sintering chamber (18) is passed through in insulation;
The top that ripple boat lid (16) is passed through in said insulation is provided with the infrared measurement of temperature hole (17) of running through its thickness direction.
9. microwave sintering apparatus according to claim 5 is characterized in that: said vacuum drying oven body of heater (1) also is provided with vacuum system interface (8).
CN201110355212.8A 2011-11-10 2011-11-10 Microwave sintering equipment Active CN102506576B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735194A (en) * 2016-12-23 2017-05-31 重庆市万盛区顺达粉末冶金有限公司 A kind of sintering curing device for powder metallurgy
CN108516843A (en) * 2018-06-12 2018-09-11 胡俊旭 A kind of microwave sintering method and more gas part microwave agglomerating furnaces
CN113198797A (en) * 2021-05-21 2021-08-03 萍乡市方兴石化填料有限公司 Regular packing degreasing equipment
CN113606934A (en) * 2021-07-14 2021-11-05 南京理工大学 Reciprocating high-temperature microwave heating furnace
CN114486988A (en) * 2022-01-27 2022-05-13 东北大学 Microwave mobile sintering lunar soil test device and test method under vacuum environment
CN117680681A (en) * 2024-02-01 2024-03-12 山西东方资源发展集团东瑞新科技有限公司 Ferromanganese powder microwave sintering device

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JPH0680391B2 (en) * 1985-12-28 1994-10-12 譲 松原 Continuous microwave heating furnace
JP2003243145A (en) * 2002-02-12 2003-08-29 Toshiba Monofrax Co Ltd High-temperature microwave oven
CN101118124A (en) * 2007-09-07 2008-02-06 燕山大学 Conveying device for conveying and cooling down high-temperature bulk material conveying device
CN101270959A (en) * 2007-03-21 2008-09-24 中国科学院理化技术研究所 Quick reaction synthesis type high temperature atmosphere stove and method for synthesizing ceramic powder
CN201311183Y (en) * 2008-05-15 2009-09-16 福建省万旗科技陶瓷有限公司 Microwave firing furnace with turntable for firing various ceramics
CN101922862A (en) * 2009-03-03 2010-12-22 福建省万旗科技陶瓷有限公司 Three-section four-door long-tunnel energy-saving type microwave sintering furnace

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JPH0680391B2 (en) * 1985-12-28 1994-10-12 譲 松原 Continuous microwave heating furnace
US4822966A (en) * 1987-02-20 1989-04-18 Yuzuru Matsubara Method of producing heat with microwaves
JP2003243145A (en) * 2002-02-12 2003-08-29 Toshiba Monofrax Co Ltd High-temperature microwave oven
CN101270959A (en) * 2007-03-21 2008-09-24 中国科学院理化技术研究所 Quick reaction synthesis type high temperature atmosphere stove and method for synthesizing ceramic powder
CN101118124A (en) * 2007-09-07 2008-02-06 燕山大学 Conveying device for conveying and cooling down high-temperature bulk material conveying device
CN201311183Y (en) * 2008-05-15 2009-09-16 福建省万旗科技陶瓷有限公司 Microwave firing furnace with turntable for firing various ceramics
CN101922862A (en) * 2009-03-03 2010-12-22 福建省万旗科技陶瓷有限公司 Three-section four-door long-tunnel energy-saving type microwave sintering furnace

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735194A (en) * 2016-12-23 2017-05-31 重庆市万盛区顺达粉末冶金有限公司 A kind of sintering curing device for powder metallurgy
CN108516843A (en) * 2018-06-12 2018-09-11 胡俊旭 A kind of microwave sintering method and more gas part microwave agglomerating furnaces
CN108516843B (en) * 2018-06-12 2023-05-26 株洲聚润合微波工业炉有限公司 Microwave sintering method and multi-gas microwave sintering furnace
CN113198797A (en) * 2021-05-21 2021-08-03 萍乡市方兴石化填料有限公司 Regular packing degreasing equipment
CN113606934A (en) * 2021-07-14 2021-11-05 南京理工大学 Reciprocating high-temperature microwave heating furnace
CN114486988A (en) * 2022-01-27 2022-05-13 东北大学 Microwave mobile sintering lunar soil test device and test method under vacuum environment
WO2023142210A1 (en) * 2022-01-27 2023-08-03 东北大学 Test apparatus and test method for microwave mobile lunar soil sintering in vacuum environment
CN114486988B (en) * 2022-01-27 2024-03-29 东北大学 Microwave mobile sintering lunar soil test device and test method in vacuum environment
CN117680681A (en) * 2024-02-01 2024-03-12 山西东方资源发展集团东瑞新科技有限公司 Ferromanganese powder microwave sintering device

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Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd.

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