CN106017098A - One-way hot-press high-temperature oscillation sintering furnace - Google Patents
One-way hot-press high-temperature oscillation sintering furnace Download PDFInfo
- Publication number
- CN106017098A CN106017098A CN201610334442.9A CN201610334442A CN106017098A CN 106017098 A CN106017098 A CN 106017098A CN 201610334442 A CN201610334442 A CN 201610334442A CN 106017098 A CN106017098 A CN 106017098A
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- Prior art keywords
- pressure
- sintering furnace
- sintering
- hot pressing
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D2099/0085—Accessories
- F27D2099/0096—Presses
Abstract
The invention discloses a one-way hot-press high-temperature oscillation sintering furnace. An electromagnetic vibration pressurization device with vibration frequency and vibration amplitude/pressure adjustable in the hot-press process is provided while hot-press sintering is set on the top of a conventional furnace body. In the high-temperature sintering process, the magnitude and frequency of the sintering pressure are changed through a control system, the sintering pressure is repeatedly loaded and unloaded, and therefore vibration sintering is achieved. The sintering furnace promotes rearrangement of particles during vibration sintering and accelerates volume contraction, and the aim of rapid densification is achieved. The mechanical property of a sintered body can be remarkably improved.
Description
Technical field
The present invention relates to prepare hard-to-sinter pottery and the sintering furnace of powdered metallurgical material, a kind of unidirectional pressurization Frequency Adjustable, the vibration type hot-pressed sintering furnace of width-adjustable/pressure regulation for hot pressing sintering method.
Technical background
The peculiar property of traditional material is differed markedly from: intensity is high, hardness is high, corrosion-resistant owing to high-performance ceramic and powdered metallurgical material have, and the significant application value in fields such as Aero-Space, track traffic and war industrys so that countries in the world scientist is to which creating extensive concern.A kind of important and widely used method during wherein hot pressing sintering method is high-performance ceramic and powdered metallurgical material preparation.Hot pressing sintering method refers in sintering furnace, hot-forming and high temperature sintering is combined, thus improves powder body consistency, reduces space, improves material property.But currently used hot pressing sintering method uses single pressurization, there is sintering time long, power consumption is big, the defects such as goods consistency is uneven, thus affects properties of product.If using the most conventional hot pressing sintering method to improve goods consistency further, it is necessary to improve sintering temperature or sintering pressure, consuming and more serious environmental pollution of more multiple-energy-source so can be caused.Although there being the scheme attempting to solve this problem by the way of mechanically or hydraulically vibrating, but on the one hand this cannot realize the Oscillation Amplitude/pressure of high frequency, on the other hand also makes structure become complicated, it is easy to break down.
Summary of the invention
In view of the limitation of above-mentioned hot pressing sintering method, it is an object of the invention to provide a kind of novel single vibration pressurization hot-pressed sintering furnace, it is possible to effectively provide Frequency Adjustable alternating pressure on a large scale, to improve the performance of high-performance ceramic and sintered metal product.
It is an object of the invention to be achieved through the following technical solutions: a kind of uniaxial hot pressing high-temperature oscillation sintering furnace, primary structure includes body of heater, temperature control system, pneumatic control system, electromagnetic pressure system, electric-control system and cooling water recirculation system etc.: electromagnetic pressure system uses unidirectional pressuring method, seaming chuck top is provided with while hot pressed sintering provides frequency of vibration 0-300 Hz adjustable, the EMR electromagnetic resonance device for exerting of Oscillation Amplitude/pressure adjustable.
Further, described EMR electromagnetic resonance device for exerting is on the basis of pre-loaded pressure, it is also possible to realizing vibration pressurization, range of pressure fluctuations is adjustable at 0 on-load pressure * 25% MPa simultaneously.
Uniaxial hot pressing high-temperature oscillation sintering furnace of the present invention, when actually used, is controlled by electric-control system 5, and the pressure of body of heater can be dropped to 10Pa in one to five minute by pneumatic control system 2, can be filled with the gases such as nitrogen in body of heater 1 simultaneously, prepare for sintering.Subsequently, being heated by temperature control system 3, and be controlled on-load pressure, frequency of vibration and amplitude/pressure by EMR electromagnetic resonance device for exerting 4, whole process, water circulation system 6 plays cooling effect.
The present invention is on the basis of original ordinary sinter stove, an adjustable frequency worked by EMR electromagnetic resonance principle and the pressue device of amplitude/pressure is added in stove top, on the basis of original high temperature sintering, add adjustable frequency, degree of amplitude modulation/pressure vibration sintering two major features, vibratory sintering promotes particle re-arrangement, accelerate volume contraction, reach the purpose of fast densification, consistency and the mechanical property being sintered material can be significantly improved.In the case of obtaining identical sintered article performance, energy consumption and sintering time can be reduced, while being greatly improved work efficiency, decrease environmental pollution.
Advantages of the present invention and beneficial effect:
1, on the basis of existing equipment, realize vibratory sintering, in the case of obtaining same sintered article, reduce experimental cost.
2, in the case of identical experiment cost, consistency and the mechanical property of sintered article can be significantly improved, obtain more excellent high-performance ceramic and powdered metallurgical material.
3, can sinter the high-performance ceramic under different frequency of vibration and sintered metal product, research obtains high-performance ceramic and the frequency range of sintered metal product optimum performance.
4, can carry out the preparation of sintered metal product under different Oscillation Amplitude/pressure, research obtains high-performance ceramic and the amplitude range of sintered metal product optimum performance.
5, high-performance ceramic and the sintering of sintered metal product under different atmosphere can be carried out, thus for various different material selections suitable atmosphere medium.
Accompanying drawing explanation
Fig. 1 is a kind of uniaxial hot pressing high temperature sintering furnace composition system simplified schematic diagram proposed in the present invention.
Fig. 2 is uniaxial hot pressing high temperature sintering furnace schematic diagram.
Detailed description of the invention
Below in conjunction with the present embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in the embodiment of fig. 1, this experimental provision includes hot pressed sintering body of heater 1 and electromagnetic pressure device 4, stove Ligation in vitro pneumatic control system 2, temperature control system 3 and cooling water recirculation system 6, is controlled a whole set of experimental provision by electric-control system 5.Experimental provision can control and show temperature and the pressure of heating chamber in body of heater by temperature sensor 7 and pressure transducer.The upper push-down head of pressure system uses high strength graphite block to make, and pressure head institute bearing capacity is not less than 60MPa.Body of heater is single chamber clamshell style, button fly front, and vertical installation exists heating chamber in body of heater, and heating chamber is used for vacuum or protective atmosphere, and heater uses high purity graphite to make.Pneumatic control system is in order to realize evacuation and to fill protective atmosphere operation, and described protective atmosphere is generally argon or nitrogen.
The operation principle of the present invention is to add a Frequency Adjustable by EMR electromagnetic resonance principle design and amplitude/pressure apparatus on the basis of original common hot-pressed sintering furnace in top, realized the vibration hot pressed sintering of high-performance ceramic and sintered metal product by this Frequency Adjustable and amplitude/pressure apparatus, thus improve consistency and the performance of sintered article.
Claims (7)
1. a uniaxial hot pressing high-temperature oscillation sintering furnace, primary structure includes body of heater, temperature control system, pneumatic control system, pressure system, electric-control system and cooling water recirculation system, it is characterized in that: described pressure system uses unidirectional pressuring method, seaming chuck top is provided with while hot pressed sintering provides frequency of vibration 0-300 Hz adjustable, the EMR electromagnetic resonance device for exerting of Oscillation Amplitude/pressure adjustable.
2. uniaxial hot pressing high-temperature oscillation sintering furnace as claimed in claim 1, it is characterised in that: described EMR electromagnetic resonance device for exerting, on the basis of pre-loaded pressure, realizes vibration pressurization simultaneously, and range of pressure fluctuations is adjustable at 0 on-load pressure * 25% MPa.
3. uniaxial hot pressing high-temperature oscillation sintering furnace as claimed in claim 1, it is characterised in that: the upper push-down head of described pressure system uses high strength graphite block to make, and pressure head institute bearing capacity is not less than 60MPa.
Uniaxial hot pressing high-temperature oscillation sintering furnace the most as described in claim 1, it is characterised in that: body of heater is single chamber clamshell style, button fly front, and vertical installation exists heating chamber in body of heater, and heating chamber is used for vacuum or protective atmosphere, and heater uses high purity graphite to make.
Uniaxial hot pressing high-temperature oscillation sintering furnace the most as described in claim 1, it is characterised in that: pneumatic control system is in order to realize evacuation and to fill protective atmosphere operation.
Uniaxial hot pressing high-temperature oscillation sintering furnace the most as described in claim 5, it is characterised in that: described pneumatic control system protective atmosphere is argon.
Uniaxial hot pressing high-temperature oscillation sintering furnace the most as described in claim 5, it is characterised in that: described pneumatic control system protective atmosphere is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334442.9A CN106017098A (en) | 2016-05-19 | 2016-05-19 | One-way hot-press high-temperature oscillation sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334442.9A CN106017098A (en) | 2016-05-19 | 2016-05-19 | One-way hot-press high-temperature oscillation sintering furnace |
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|---|---|
| CN106017098A true CN106017098A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610334442.9A Pending CN106017098A (en) | 2016-05-19 | 2016-05-19 | One-way hot-press high-temperature oscillation sintering furnace |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352694A (en) * | 2016-10-26 | 2017-01-25 | 西南交通大学 | Intermediate frequency bidirectional vibration sintering furnace |
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN106524748A (en) * | 2016-10-26 | 2017-03-22 | 西南交通大学 | Medium-frequency unidirectional-vibration atmosphere sintering furnace |
| CN106524769A (en) * | 2016-11-14 | 2017-03-22 | 上海皓越电炉技术有限公司 | One-way hot-press sintering furnace |
| CN106643192A (en) * | 2016-10-26 | 2017-05-10 | 西南交通大学 | Medium-frequency one-way vibration sintering furnace |
| CN108788159A (en) * | 2018-07-17 | 2018-11-13 | 太原理工大学 | A kind of ultrasonic wave auxiliary hot-pressed sintering furnace |
| CN109682202A (en) * | 2019-01-30 | 2019-04-26 | 清华大学 | A kind of ultrasonic wave added direct current sintering furnace and sintering method |
| CN110102756A (en) * | 2019-05-28 | 2019-08-09 | 株洲万融新材科技有限公司 | A kind of high-strength, high-anti-friction cermet and preparation method thereof |
| CN110260671A (en) * | 2019-07-02 | 2019-09-20 | 成都易飞得材料科技有限公司 | A kind of oscillation pressure material handling system based on linear motion |
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| JP2002071114A (en) * | 2000-08-25 | 2002-03-08 | Mitsubishi Heavy Ind Ltd | Waste melting furnace |
| CN202928343U (en) * | 2012-11-05 | 2013-05-08 | 四川省眉山市力达电子有限责任公司 | Negative pressure sintering device of bell-type furnace |
| CN203083353U (en) * | 2012-12-11 | 2013-07-24 | 郑辛波 | Improved intelligent high-temperature furnace |
| CN104001901A (en) * | 2014-05-30 | 2014-08-27 | 华南理工大学 | Large vibration force large amplitude vibrating squeeze casting method and casting device thereof |
| CN203936358U (en) * | 2014-05-30 | 2014-11-12 | 华南理工大学 | The vibration-extrusion casting device of a kind of good power, large amplitude |
| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
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Patent Citations (6)
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| JP2002071114A (en) * | 2000-08-25 | 2002-03-08 | Mitsubishi Heavy Ind Ltd | Waste melting furnace |
| CN202928343U (en) * | 2012-11-05 | 2013-05-08 | 四川省眉山市力达电子有限责任公司 | Negative pressure sintering device of bell-type furnace |
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| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352694A (en) * | 2016-10-26 | 2017-01-25 | 西南交通大学 | Intermediate frequency bidirectional vibration sintering furnace |
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN106524748A (en) * | 2016-10-26 | 2017-03-22 | 西南交通大学 | Medium-frequency unidirectional-vibration atmosphere sintering furnace |
| CN106643192A (en) * | 2016-10-26 | 2017-05-10 | 西南交通大学 | Medium-frequency one-way vibration sintering furnace |
| CN106524769A (en) * | 2016-11-14 | 2017-03-22 | 上海皓越电炉技术有限公司 | One-way hot-press sintering furnace |
| CN108788159A (en) * | 2018-07-17 | 2018-11-13 | 太原理工大学 | A kind of ultrasonic wave auxiliary hot-pressed sintering furnace |
| CN109682202A (en) * | 2019-01-30 | 2019-04-26 | 清华大学 | A kind of ultrasonic wave added direct current sintering furnace and sintering method |
| CN110102756A (en) * | 2019-05-28 | 2019-08-09 | 株洲万融新材科技有限公司 | A kind of high-strength, high-anti-friction cermet and preparation method thereof |
| CN110102756B (en) * | 2019-05-28 | 2021-01-29 | 株洲万融新材科技有限公司 | High-strength high-wear-resistance metal ceramic and preparation method thereof |
| CN110260671A (en) * | 2019-07-02 | 2019-09-20 | 成都易飞得材料科技有限公司 | A kind of oscillation pressure material handling system based on linear motion |
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Application publication date: 20161012 |
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