CN206176981U - Intermediate frequency bidirectional vibration atmosphere sintering stove - Google Patents
Intermediate frequency bidirectional vibration atmosphere sintering stove Download PDFInfo
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- CN206176981U CN206176981U CN201621173114.7U CN201621173114U CN206176981U CN 206176981 U CN206176981 U CN 206176981U CN 201621173114 U CN201621173114 U CN 201621173114U CN 206176981 U CN206176981 U CN 206176981U
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- pressure
- intermediate frequency
- hydraulic servo
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- exerting
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Abstract
The utility model relates to an intermediate frequency bidirectional vibration atmosphere sintering stove, including the furnace body that has the pressure system, the upper portion of furnace body is equipped with the pressure head, and the lower part is equipped with down the pressure head, the pressure head bottom is equipped with frequency, amplitude and the servo biasing means of the pressure adjustable electric liquid in bottom down, goes up the pressure head top and establishes the servo biasing means of top electricity liquid, and top electricity servo biasing means of liquid and the bottom servo biasing means of electricity liquid all are connected to electro hydraulic servo system. The utility model discloses can make the granule reset in vibration sintering, accelerate volume contraction, reach the purpose of rapid densifying, effectively improve sintered product's density and mechanical properties, obtain more excellent high -performance ceramic and powder metallurgical material, and can carry out under the different atmosphere high -performance ceramic and powder metallurgy products's sintering to choose suitable atmosphere medium for use to various different materials.
Description
Technical field
This utility model is related to the sintering furnace technical field for preparing ceramics and metal material for hot pressing sintering method, specially
A kind of intermediate frequency two-way oscillation atmosphere sintering furnace.
Background technology
Material is the material base that the mankind depend on for existence and development, with the development of the national economy, national defense construction and people's lives
It is closely related.The quality of material property is also closely related with the preparation technology of material except relevant with material performance itself.Wherein,
Sintering is a kind of common method prepared by material.And hot pressing furnace is the more commonly used a kind of sintering of sintering metal and ceramic material
Stove.Hot-pressed sintering furnace can be in vacuum or protective atmosphere, to ceramics, metal and some refractory metal intermediate compound powder
It is sintered, so as to obtain the material with certain consistency and mechanical strength.The ultimate principle of hot pressed sintering is certain
Under high temperature, certain pressure is applied to sample, make the particle in base substrate granule under the dual function of high temperature and mechanical force, realized
Contact and diffusion in green compact between different powders, pore is excluded, and finally realizes the densification of material.And the two-way machine for adopting at present
The hot pressed sintering pressuring method of tool pressurization is although reliable and stable, but motility is inadequate.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide one kind to prepare high-performance ceramic and powder metallurgy
Product, and the intermediate frequency two-way oscillation atmosphere sintering furnace of the performance of sintered article can be effectively improved.Technical scheme is as follows：
A kind of intermediate frequency two-way oscillation atmosphere sintering furnace, including the body of heater with pressure system, the top of body of heater is provided with pressure
Head, bottom is provided with push-down head；Push-down head bottom is provided with the bottom electro-hydraulic servo device for exerting of frequency, amplitude and pressure adjustable, bottom
Portion's electro-hydraulic servo device for exerting is connected to electrohydraulic servo system.
Further, the seaming chuck top is provided with the top electro-hydraulic servo device for exerting of frequency, amplitude and pressure adjustable,
Top electro-hydraulic servo device for exerting is connected to electrohydraulic servo system.
Further, the frequency of vibration of the bottom electro-hydraulic servo device for exerting and top electro-hydraulic servo device for exerting is
0-50Hz is adjustable.
Further, the bottom electro-hydraulic servo device for exerting and top electro-hydraulic servo device for exerting range of pressure fluctuations
It is adjustable for 0- pre-loaded pressure * 15%MPa.
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 is high-purity stone
Ink, 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 beneficial effects of the utility model are：
1) this utility model realizes vibratory sintering on the basis of existing equipment, in the situation for obtaining same sintered article
Under greatly reduce production cost；
2) this utility model increased adjustable frequency, degree of amplitude modulation/pressure vibration on the basis of original high temperature sintering and burn
Knot two major features, promote particle re-arrangement in vibratory sintering, accelerate volume contraction, reach the purpose of fast densification, effectively improve
The consistency and mechanical property of sintered article, obtains more excellent high-performance ceramic and powdered metallurgical material；
3) this utility model can sinter the high-performance ceramic and sintered metal product under different frequency of vibration, and research is obtained
Obtain the frequency range of high-performance ceramic and sintered metal product optimum performance；
4) this utility model can carry out the preparation of sintered metal product under different Oscillation Amplitude/pressure, and research obtains high
The amplitude range of performance ceramics and sintered metal product optimum performance；
5) this utility model realize in the case where identical sintered article performance is obtained, effective reducing energy consumption and sintering when
Between, environmental pollution is decreased while work efficiency is greatly improved；
6) this utility model can carry out the sintering of high-performance ceramic and sintered metal product under different atmosphere, so as to be directed to
The suitable atmosphere medium of a variety of material selections.
Description of the drawings
Fig. 1 is the structural representation of this utility model intermediate frequency two-way oscillation atmosphere sintering furnace.
1- temperature control systems；2- pneumatic control systems；3- electrohydraulic servo systems；4- seaming chucks；5- push-down heads；6- water circulation systems；
7- bottoms electro-hydraulic servo device for exerting；8- bottoms electro-hydraulic servo device for exerting；9- bodies of heater.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further details with specific embodiment.As shown in figure 1, in one kind
Frequency two-way oscillation atmosphere sintering furnace, including the body of heater 9 with pressure system, temperature control system 1, pneumatic control system 2, electrohydraulic servo system
3rd, electric-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；, the bottom of push-down head 5 sets
There is the electro-hydraulic servo device for exerting 7 of frequency, amplitude and pressure adjustable, electro-hydraulic servo device for exerting 7 is connected to electrohydraulic servo system
3.Pressure system adopts Bidirectional-pressure mode, therefore the top of seaming chuck 4 is provided with the top electro-hydraulic servo of frequency, amplitude and pressure adjustable
Device for exerting 8, top electro-hydraulic servo device for exerting 8 is connected to electrohydraulic servo system 3, doubles can vibrating effect, more effectively
Promote particle re-arrangement, accelerate volume contraction, reach the purpose of fast densification.
A whole set of experimental provision can be controlled by parameter setting.Experimental provision is passed by temperature sensor and pressure
Sensor can control and show the temperature and pressure of heating chamber in body of heater.
The pressure of body of heater can be dropped to 10 by pneumatic control system 2 in one to five minute-3Pa, while the gas such as argon can be filled with
Body is that sintering is prepared in body of heater 9.Subsequently, heated by temperature control system 1, and by electro-hydraulic servo device for exerting 7 and 8 pairs
On-load pressure, frequency of vibration and amplitude/pressure are controlled, and whole process, water circulation system 6 plays cooling effect.
The frequency of vibration of the bottom electro-hydraulic servo device for exerting 7 of the present embodiment and top electro-hydraulic servo device for exerting 8 is 0-
50Hz, provides the vibration of adjustable frequency while sintering.
The electro-hydraulic servo device for exerting 7 of the present embodiment can also simultaneously realize vibration on the basis of pre-loaded pressure
Pressurization, range of pressure fluctuations is adjustable in 0- on-load pressures 15% MPa of *.
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 has heating chamber in body of heater, heating chamber is used for vacuum or guarantor
Shield atmosphere, heater can be made using high purity graphite or carborundum or resistance wire.Pneumatic control system 2 is to realize evacuation and fill
Protective atmosphere is operated, and the protective atmosphere is generally argon or nitrogen.
Operation principle of the present utility model is to add one in top and bottom on the basis of original common hot-pressed sintering furnace
Individual adjustable frequency and amplitude/pressure apparatus by electro-hydraulic servo principle design, by this adjustable frequency and amplitude/pressure dress
The vibration hot pressed sintering for realizing high-performance ceramic and sintered metal product is put, so as to improve the consistency and performance of sintered article.
Claims (8)
1. a kind of intermediate frequency two-way oscillation 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
Bottom electro-hydraulic servo device for exerting（7）, bottom electro-hydraulic servo device for exerting（7）It is connected to electrohydraulic servo system（3）.
2. intermediate frequency two-way oscillation atmosphere sintering furnace according to claim 1, it is characterised in that the seaming chuck（4）Top
It is provided with the top electro-hydraulic servo device for exerting of frequency, amplitude and pressure adjustable（8）, top electro-hydraulic servo device for exerting（8）Connection
To electrohydraulic servo system（3）.
3. intermediate frequency two-way oscillation atmosphere sintering furnace according to claim 2, it is characterised in that the bottom electro-hydraulic servo is applied
Pressure device（7）With top electro-hydraulic servo device for exerting（8）Frequency of vibration be 0-50Hz it is adjustable.
4. intermediate frequency two-way oscillation atmosphere sintering furnace according to claim 2, it is characterised in that the bottom electro-hydraulic servo is applied
Pressure device（7）With top electro-hydraulic servo device for exerting（8）Range of pressure fluctuations is that 0- pre-loaded pressure * 15%MPa are adjustable.
5. intermediate frequency two-way oscillation 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.
6. intermediate frequency two-way oscillation 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.
7. intermediate frequency two-way oscillation 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）.
8. intermediate frequency two-way oscillation atmosphere sintering furnace according to claim 7, it is characterised in that the protective atmosphere is argon
Or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173114.7U CN206176981U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration atmosphere sintering stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173114.7U CN206176981U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration atmosphere sintering stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206176981U true CN206176981U (en) | 2017-05-17 |
Family
ID=58681575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621173114.7U Active CN206176981U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration atmosphere sintering stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206176981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN107202495A (en) * | 2017-06-26 | 2017-09-26 | 中国工程物理研究院材料研究所 | Flash burning structure and flash burning stove |
-
2016
- 2016-10-26 CN CN201621173114.7U patent/CN206176981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN107202495A (en) * | 2017-06-26 | 2017-09-26 | 中国工程物理研究院材料研究所 | Flash burning structure and flash burning stove |
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