CN106524748A - Medium-frequency unidirectional-vibration atmosphere sintering furnace - Google Patents
Medium-frequency unidirectional-vibration atmosphere sintering furnace Download PDFInfo
- Publication number
- CN106524748A CN106524748A CN201610949279.7A CN201610949279A CN106524748A CN 106524748 A CN106524748 A CN 106524748A CN 201610949279 A CN201610949279 A CN 201610949279A CN 106524748 A CN106524748 A CN 106524748A
- Authority
- CN
- China
- Prior art keywords
- sintering furnace
- pressure
- electro
- atmosphere sintering
- hydraulic servo
- Prior art date
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
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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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/14—Arrangements of heating devices
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/16—Arrangements of air or gas supply devices
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B2005/062—Cooling elements
- F27B2005/064—Cooling elements disposed in the furnace, around the chamber, e.g. coils
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/16—Arrangements of air or gas supply devices
- F27B2005/161—Gas inflow or outflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Abstract
The invention discloses a medium-frequency unidirectional-vibration atmosphere sintering furnace. The medium-frequency unidirectional-vibration atmosphere sintering furnace comprises a furnace body with a pressure system. An upper pressing head is arranged on the upper portion of the furnace body, and a lower pressing head is arranged on the lower portion of the furnace body. An electro-hydraulic servo pressure application device with frequency, vibration amplitude and pressure adjustable is arranged at the bottom of the lower pressing head. The electro-hydraulic servo pressure application device is connected to an electro-hydraulic servo system. By means of the medium-frequency unidirectional-vibration atmosphere sintering furnace, particles can be pushed to be rearranged in the vibrating sintering process; volume shrinkage is accelerated; the purpose of rapid compacting is achieved; compactness and mechanical performance of sintered products are effectively improved; high-performance ceramic and powder metallurgical materials which are more excellent are obtained; in addition, sintering of high-performance ceramic and powder metallurgical products can be conducted under different types of atmosphere, and thus appropriate atmosphere media are selected according to the various different materials.
Description
Technical field
The present invention relates to it is used for the sintering furnace technical field that hot pressing sintering method prepares ceramics and metal material, it is specially a kind of
Intermediate frequency single vibration atmosphere sintering furnace.
Background technology
Sintering is a kind of requisite material preparation method, and the method for preparing material at present mainly has tradition to burn without pressure
Knot, hot pressing, high temperature insostatic pressing (HIP), microwave sintering and discharge plasma sintering etc..The realization of various sintering methods, is required for relying on specific
Sintering furnace.Wherein, hot pressing furnace is the more commonly used sintering furnace of a kind of sintering metal and ceramic material.Hot-pressed sintering furnace can be
In vacuum or protective atmosphere, to ceramics, between metal and some refractory metals, compound powder is sintered, so as to be had
The material of certain consistency and mechanical strength.The ultimate principle of hot pressed sintering is, at a high temperature of certain, to apply certain to sample
Pressure, make the particle in base substrate granule under the dual function of high temperature and mechanical force, realize connecing between different powders in green compact
Touch and spread, exclude pore, finally realize the densification of material.And the hot pressed sintering pressuring method of the mechanical pressurization for adopting at present
Although reliable and stable, motility is inadequate.
The content of the invention
For the problems referred to above, it is an object of the invention to provide it is a kind of by providing Frequency Adjustable alternating pressure, and then improve
The intermediate frequency single vibration atmosphere sintering furnace of ceramics and sintered metal product performance.Technical scheme is as follows：
A kind of intermediate frequency single vibration atmosphere sintering furnace, including the body of heater with pressure system, the top of body of heater is provided with seaming chuck, under
Portion is provided with push-down head；Push-down head bottom is provided with the electro-hydraulic servo device for exerting of frequency, amplitude and pressure adjustable, electro-hydraulic servo pressure
Device is connected to electrohydraulic servo system.
Further, the frequency of vibration of the electro-hydraulic servo device for exerting is that 0-50Hz is adjustable.
Further, the electro-hydraulic servo device for exerting range of pressure fluctuations is that 0- pre-loaded pressure * 15%MPa are adjustable.
Further, the seaming chuck and push-down head are made using high strength graphite block.
Further, the furnace interior is provided with the heater controlled by temperature control system, and heater be high purity graphite,
Carborundum or resistance wire.
It is further, described also to include being connected to body of heater for realizing evacuation and filling the pneumatic control system of protective atmosphere,
And for cooling down the water circulation system of in-furnace temperature.
Further, the protective atmosphere is argon or nitrogen.
The invention has the beneficial effects as follows：
1) present invention realizes vibratory sintering on the basis of existing equipment, substantially reduces in the case where same sintered article is obtained
Production cost；
2) present invention increased adjustable frequency, degree of amplitude modulation/two big spy of pressure vibration sintering on the basis of original high temperature sintering
Point, promotes particle re-arrangement in vibratory sintering, accelerate volume contraction, reach the purpose of fast densification, effectively improve sintered article
Consistency and mechanical property, obtain more excellent high-performance ceramic and powdered metallurgical material；
3) present invention can sinter the high-performance ceramic and sintered metal product under different frequency of vibration, and research obtains high-performance pottery
The frequency range of porcelain and sintered metal product optimum performance；
4) present invention can carry out the preparation of sintered metal product under different Oscillation Amplitude/pressure, and research obtains high-performance ceramic
With the amplitude range of sintered metal product optimum performance；
5) present invention realized in the case where identical sintered article performance is obtained, effective reducing energy consumption and sintering time, significantly
Environmental pollution is decreased while improving work efficiency.
6) present invention can carry out the sintering of high-performance ceramic and sintered metal product under different atmosphere, various so as to be directed to
The suitable atmosphere medium of different material selections.
7) disclosure is particularly well suited to be fired to laminal ceramics and powdered metallurgical material, equipment cost is relatively low.
Description of the drawings
Fig. 1 is the structural representation of intermediate frequency single vibration atmosphere sintering furnace of the present invention.
1- temperature control systems；2- pneumatic control systems；3- electrohydraulic servo systems；4- seaming chucks；5- push-down heads；6- water circulation systems；
7- electro-hydraulic servo device for exerting；9- bodies of heater.
Specific embodiment
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings.As shown in figure 1, a kind of intermediate frequency list
To vibration atmosphere sintering furnace, including the body of heater 9 with pressure system, temperature control system 1, pneumatic control system 2, electrohydraulic servo system 3, electricity
Control system and water circulation system 6；The top of body of heater 9 is provided with seaming chuck 4, and bottom is provided with push-down head 5；Pressure system using it is single-phase to
Pressuring method, 5 bottom of push-down head are provided with the electro-hydraulic servo device for exerting 7 of frequency, amplitude and pressure adjustable, electro-hydraulic servo pressure dress
Put 7 and be connected to electrohydraulic servo system 3.
A whole set of experimental provision can be controlled by parameter setting.Experimental provision passes through temperature sensor and pressure is passed
Sensor can control and show the pressure in body of heater suffered by the temperature and sample of heating chamber.
The pressure of body of heater can be dropped to 10 in one to five minute by pneumatic control system 2-3Pa, while the gas such as argon can be filled with
Body, in body of heater 9, is that sintering is prepared.Subsequently, heated by temperature control system 1, and by the 7 pairs of loadings of electro-hydraulic servo device for exerting
Pressure, frequency of vibration and amplitude/pressure are controlled, and whole process, water circulation system 6 play cooling effect.
The frequency of vibration of the electro-hydraulic servo device for exerting 7 of the present embodiment is 0-50Hz, while sintering provides Frequency Adjustable
The vibration of rate.
The electro-hydraulic servo device for exerting 7 of the present embodiment can also realize vibration on the basis of pre-loaded pressure simultaneously
Pressurization, range of pressure fluctuations is adjustable in 0- on-load pressure * 15%MPa.
The seaming chuck 4 and push-down head 5 of the present embodiment is made using high strength graphite block, it is ensured that pressure head institute bearing capacity is not less than
60MPa。
Body of heater 9 is single chamber clamshell style, and button fly front, vertical installation have a heating chamber in body of heater, heating chamber is used for vacuum or guarantor
Shield atmosphere, heater can adopt high purity graphite or carborundum or resistance wire to make.Pneumatic control system 2 is to realize evacuation and fill
Protective atmosphere is operated, and the protective atmosphere is generally argon or nitrogen.
The operation principle of the present invention is passed through plus one in bottom of furnace body on the basis of original common hot-pressed sintering furnace
The Frequency Adjustable and amplitude/pressure apparatus of electro-hydraulic servo principle design, realizes high property 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 intermediate frequency single vibration atmosphere sintering furnace, it is characterised in that include the body of heater with pressure system（9）, body of heater（9）
Top be provided with seaming chuck（4）, bottom is provided with push-down head（5）；Push-down head（5）Bottom is provided with frequency, amplitude and pressure adjustable
Electro-hydraulic servo device for exerting（7）, electro-hydraulic servo device for exerting（7）It is connected to electrohydraulic servo system（3）.
2. intermediate frequency single vibration atmosphere sintering furnace according to claim 1, it is characterised in that the electro-hydraulic servo pressure dress
Put（7）Frequency of vibration be 0-50Hz it is adjustable.
3. intermediate frequency single vibration atmosphere sintering furnace according to claim 1, it is characterised in that the electro-hydraulic servo pressure dress
Put（7）Range of pressure fluctuations is that 0- pre-loaded pressure * 15%MPa are adjustable.
4. intermediate frequency single vibration atmosphere sintering furnace according to claim 1, it is characterised in that the seaming chuck（4）With under
Pressure head（5）Made using high strength graphite block.
5. intermediate frequency single vibration atmosphere sintering furnace according to claim 1, it is characterised in that the body of heater（9）Inside sets
Have by temperature control system（1）The heater of control, and heater is high purity graphite, carborundum or resistance wire.
6. intermediate frequency single vibration atmosphere sintering furnace according to claim 1, it is characterised in that described also to include being connected to stove
Body（9）For the pneumatic control system for realizing evacuation He fill protective atmosphere（2）, and for cooling down the water circulation system of in-furnace temperature
（6）.
7. intermediate frequency single vibration atmosphere sintering furnace according to claim 6, it is characterised in that the protective atmosphere is argon
Or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949279.7A CN106524748A (en) | 2016-10-26 | 2016-10-26 | Medium-frequency unidirectional-vibration atmosphere sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949279.7A CN106524748A (en) | 2016-10-26 | 2016-10-26 | Medium-frequency unidirectional-vibration atmosphere sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106524748A true CN106524748A (en) | 2017-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949279.7A Pending CN106524748A (en) | 2016-10-26 | 2016-10-26 | Medium-frequency unidirectional-vibration atmosphere sintering furnace |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114872371A (en) * | 2022-05-25 | 2022-08-09 | 宁波江丰热等静压技术有限公司 | Hot isostatic pressing emergency cooling system device, method and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072638A (en) * | 2010-12-31 | 2011-05-25 | 邓湘凌 | Bidirectional hot-pressing high-temperature oscillation sintering furnace and working method thereof |
| CN102102942A (en) * | 2010-12-28 | 2011-06-22 | 青岛科技大学 | Pressure-adjustable vibratory type hot pressed sintering furnace |
| CN103084574A (en) * | 2013-02-21 | 2013-05-08 | 湖北长江精工材料技术有限公司 | Preparation method of diamond bits and sintering device thereof |
| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
| CN105135873A (en) * | 2015-08-05 | 2015-12-09 | 清华大学 | Dynamic pressure electric pulse double-field control sintering furnace and sintering method |
| CN105865205A (en) * | 2016-05-19 | 2016-08-17 | 西南交通大学 | Two-way hot pressing high temperature oscillation sintering furnace |
| CN106017098A (en) * | 2016-05-19 | 2016-10-12 | 西南交通大学 | One-way hot-press high-temperature oscillation sintering furnace |
-
2016
- 2016-10-26 CN CN201610949279.7A patent/CN106524748A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102942A (en) * | 2010-12-28 | 2011-06-22 | 青岛科技大学 | Pressure-adjustable vibratory type hot pressed sintering furnace |
| CN102072638A (en) * | 2010-12-31 | 2011-05-25 | 邓湘凌 | Bidirectional hot-pressing high-temperature oscillation sintering furnace and working method thereof |
| CN103084574A (en) * | 2013-02-21 | 2013-05-08 | 湖北长江精工材料技术有限公司 | Preparation method of diamond bits and sintering device thereof |
| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
| CN105135873A (en) * | 2015-08-05 | 2015-12-09 | 清华大学 | Dynamic pressure electric pulse double-field control sintering furnace and sintering method |
| CN105865205A (en) * | 2016-05-19 | 2016-08-17 | 西南交通大学 | Two-way hot pressing high temperature oscillation sintering furnace |
| CN106017098A (en) * | 2016-05-19 | 2016-10-12 | 西南交通大学 | One-way hot-press high-temperature oscillation sintering furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114872371A (en) * | 2022-05-25 | 2022-08-09 | 宁波江丰热等静压技术有限公司 | Hot isostatic pressing emergency cooling system device, method and application |
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Application publication date: 20170322 |
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