CN207317540U - A kind of uniaxial hot pressing high-temperature oscillation sintering furnace - Google Patents
A kind of uniaxial hot pressing high-temperature oscillation sintering furnace Download PDFInfo
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- CN207317540U CN207317540U CN201620459498.2U CN201620459498U CN207317540U CN 207317540 U CN207317540 U CN 207317540U CN 201620459498 U CN201620459498 U CN 201620459498U CN 207317540 U CN207317540 U CN 207317540U
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Abstract
The utility model discloses a kind of uniaxial hot pressing high-temperature oscillation sintering furnace, while hot pressed sintering is set at the top of conventional furnace body, there is provided with the adjustable vibration frequency of hot pressing and the electric and magnetic oscillation pressue device of Oscillation Amplitude/pressure.In high-temperature sintering process, realize that the size of sintering pressure and frequency change by control system, sintering pressure is added unloading repeatedly, so as to fulfill vibratory sintering.The utility model sintering furnace promotes particle re-arrangement in vibratory sintering, accelerates volume contraction, achievees the purpose that fast densification.The mechanical property of sintered body can be significantly improved.
Description
Technical field
The sintering furnace that hard-to-sinter ceramics and powdered metallurgical material are prepared for hot pressing sintering method is the utility model is related to, specifically
It is a kind of unidirectional pressurization Frequency Adjustable, the oscillatory type hot-pressed sintering furnace of width-adjustable/pressure regulation.
Background technology
Since high-performance ceramic and powdered metallurgical material have the peculiar property for differing markedly from traditional material：Intensity is high, hard
Spend high, corrosion-resistant etc., and the significant application value in fields such as aerospace, track traffic and war industrys so that the world
Scientists from all over the world are to which creating extensive concern.Wherein hot pressing sintering method is one in high-performance ceramic and powdered metallurgical material preparation
Plant important and widely used method.Hot pressing sintering method refers in sintering furnace, and hot-forming and high temperature sintering is incorporated in
Together, so as to improve powder consistency, gap is reduced, improves material property.But the hot pressing sintering method used at present uses list
The defects of one pressurization, there are sintering time length, consumes energy big, and product consistency is uneven, so as to influence properties of product.If use
Currently used hot pressing sintering method further improves product consistency, it is necessary to improves sintering temperature or sintering pressure, so meeting
Cause the consumption of more multiple-energy-source and more serious environmental pollution.Attempt to solve by way of mechanically or hydraulically vibrating although having
The scheme of this problem, but this aspect can not realize Oscillation Amplitude/pressure of high frequency, on the other hand also so that structure becomes multiple
It is miscellaneous, it is prone to failure.
Utility model content
In view of the limitation of above-mentioned hot pressing sintering method, the purpose of this utility model is to provide a kind of new single vibration
Pressurize hot-pressed sintering furnace, a wide range of Frequency Adjustable alternating pressure can be effectively provided, to improve high-performance ceramic and powder metallurgy system
The performance of product.
The purpose of this utility model is achieved through the following technical solutions：A kind of uniaxial hot pressing high-temperature oscillation sintering
Stove, primary structure include furnace body, temperature control system, pneumatic control system, electromagnetic pressure system, electric-control system and cooling water recirculation system
Deng：The electromagnetic pressure system uses unidirectional pressuring method, is provided with the top of seaming chuck and provides vibration while hot pressed sintering
0-300Hz of frequency is adjustable, the EMR electromagnetic resonance device for exerting of Oscillation Amplitude/pressure adjustable.
Further, the EMR electromagnetic resonance device for exerting can also at the same time be realized and shaken on the basis of pre-loaded pressure
Dynamic pressurization, range of pressure fluctuations is adjustable in 0-on-load pressure * 25%MPa.
The utility model uniaxial hot pressing high-temperature oscillation sintering furnace in actual use, is controlled, gas control by electric-control system 5
The pressure of furnace body can be dropped to 10Pa by system 2 in one to five minute, while can be filled with the gases such as nitrogen into furnace body 1, be
Sintering is prepared.Then, heated by temperature control system 3, and by EMR electromagnetic resonance device for exerting 4 to on-load pressure, vibration frequency
It is controlled with amplitude/pressure, whole process, water circulation system 6 plays cooling effect.
The utility model is on the basis of original ordinary sinter stove, adds one in stove top and passes through EMR electromagnetic resonance
The adjustable frequency of principle work and the pressue device of amplitude/pressure, on the basis of original high temperature sintering, add Frequency Adjustable
Rate, degree of amplitude modulation/pressure vibration sintering two major features, promote particle re-arrangement, accelerate volume contraction, reach rapid in vibratory sintering
The purpose of densification, can significantly improve the consistency and mechanical property for being sintered material.Obtaining identical sintered article performance
In the case of, energy consumption and sintering time can be reduced, environmental pollution is decreased while work efficiency is greatly improved.
The advantages of the utility model and beneficial effect：
1st, vibratory sintering is realized on the basis of existing equipment, in the case where obtaining same sintered article reduce experiment into
This.
2nd, in the case of identical experiment cost, the consistency and mechanical property of sintered article can be significantly improved, is obtained
More excellent high-performance ceramic and powdered metallurgical material.
3rd, the high-performance ceramic and sintered metal product under different vibration frequencies can be sintered, research obtains high-performance ceramic
With the frequency range of sintered metal product optimum performance.
4th, can carry out the preparation of sintered metal product under different Oscillation Amplitude/pressure, research obtain high-performance ceramic and
The amplitude range of sintered metal product optimum performance.
5th, the sintering of high-performance ceramic and sintered metal product under different atmosphere can be carried out, so that for a variety of
The suitable atmosphere medium of material selection.
Brief description of the drawings
Fig. 1 is a kind of uniaxial hot pressing high temperature sintering furnace composition system simplified schematic diagram proposed in the utility model.
Fig. 2 is uniaxial hot pressing high temperature sintering furnace schematic diagram.
Embodiment
The utility model is described in further detail with reference to the present embodiment, but the embodiment of the utility model
Not limited to this.
As shown in the embodiment of fig. 1, this experimental provision includes hot pressed sintering furnace body 1 and electromagnetic pressure device 4, stove Ligation in vitro
Pneumatic control system 2, temperature control system 3 and cooling water recirculation system 6, are controlled a whole set of experimental provision by electric-control system 5.Experiment
Device can be controlled and be shown the temperature and pressure of heating chamber in furnace body by temperature sensor 7 and pressure sensor.Pressure system
The upper push-down head of system is made of high strength graphite block, and pressure head institute bearing capacity is not less than 60MPa.Furnace body is single chamber clamshell style, preceding
Open the door, vertical installation, there are heating chamber, heating chamber in furnace body to be used for vacuum or protective atmosphere, and heater uses high purity graphite system
Into.Pneumatic control system operates to realize to vacuumize and fill protective atmosphere, and the protective atmosphere is generally argon gas or nitrogen.
The operation principle of the utility model is to pass through on the basis of original common hot-pressed sintering furnace in top plus one
The Frequency Adjustable and amplitude/pressure apparatus of EMR electromagnetic resonance principle design, high property is realized by this Frequency Adjustable and amplitude/pressure apparatus
The vibration hot pressed sintering of energy ceramics and sintered metal product, so as to improve the consistency and performance of sintered article.
Claims (7)
1. a kind of uniaxial hot pressing high-temperature oscillation sintering furnace, primary structure include furnace body, temperature control system, pneumatic control system, pressure system,
Electric-control system and cooling water recirculation system, it is characterised in that：The pressure system uses unidirectional pressuring method, is set at the top of seaming chuck
It is equipped with while hot pressed sintering and provides that vibration frequency 0-300 Hz is adjustable, the EMR electromagnetic resonance pressure of Oscillation Amplitude/pressure adjustable
Device.
2. uniaxial hot pressing high-temperature oscillation sintering furnace as claimed in claim 1, it is characterised in that：The EMR electromagnetic resonance device for exerting
On the basis of pre-loaded pressure, while realize vibration pressurization, range of pressure fluctuations can in 0-on-load pressure *, 25% MPa
Adjust.
3. uniaxial hot pressing high-temperature oscillation sintering furnace as claimed in claim 1, it is characterised in that：The upper pushing of the pressure system
Head is made of high strength graphite block, and pressure head institute bearing capacity is not less than 60MPa.
4. uniaxial hot pressing high-temperature oscillation sintering furnace as described in claim 1, it is characterised in that：Furnace body is single chamber clamshell style,
Button fly front, vertical installation, there are heating chamber, heating chamber in furnace body to be used for vacuum or protective atmosphere, and heater uses high purity graphite
It is made.
5. uniaxial hot pressing high-temperature oscillation sintering furnace as described in claim 1, it is characterised in that：Pneumatic control system is taken out to realize
Vacuum is operated with protective atmosphere is filled.
6. uniaxial hot pressing high-temperature oscillation sintering furnace as described in claim 5, it is characterised in that：The pneumatic control system protects gas
Atmosphere is argon gas.
7. uniaxial hot pressing high-temperature oscillation sintering furnace as described in claim 5, it is characterised in that：The pneumatic control system protects gas
Atmosphere is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459498.2U CN207317540U (en) | 2016-05-19 | 2016-05-19 | A kind of uniaxial hot pressing high-temperature oscillation sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459498.2U CN207317540U (en) | 2016-05-19 | 2016-05-19 | A kind of uniaxial hot pressing high-temperature oscillation sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207317540U true CN207317540U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459498.2U Active CN207317540U (en) | 2016-05-19 | 2016-05-19 | A kind of uniaxial hot pressing high-temperature oscillation sintering furnace |
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| CN (1) | CN207317540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764674A (en) * | 2019-01-27 | 2019-05-17 | 天津大学 | High temperature tunnel furnace for powder body material sinter molding |
| CN110076342A (en) * | 2019-03-29 | 2019-08-02 | 太原理工大学 | A kind of high-frequency vibration auxiliary current activated sintering furnace |
-
2016
- 2016-05-19 CN CN201620459498.2U patent/CN207317540U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764674A (en) * | 2019-01-27 | 2019-05-17 | 天津大学 | High temperature tunnel furnace for powder body material sinter molding |
| CN109764674B (en) * | 2019-01-27 | 2021-01-05 | 安徽华淮澄膜科技有限公司 | High-temperature tunnel furnace for sintering and forming powder material |
| CN110076342A (en) * | 2019-03-29 | 2019-08-02 | 太原理工大学 | A kind of high-frequency vibration auxiliary current activated sintering furnace |
| CN110076342B (en) * | 2019-03-29 | 2021-06-22 | 太原理工大学 | High-frequency vibration auxiliary current activation sintering furnace |
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