CN206176978U - Intermediate frequency bidirectional vibration fritting furnace - Google Patents
Intermediate frequency bidirectional vibration fritting furnace Download PDFInfo
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- CN206176978U CN206176978U CN201621173138.2U CN201621173138U CN206176978U CN 206176978 U CN206176978 U CN 206176978U CN 201621173138 U CN201621173138 U CN 201621173138U CN 206176978 U CN206176978 U CN 206176978U
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- pressure
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- exerting
- hydraulic servo
- intermediate frequency
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Abstract
The utility model relates to an intermediate frequency bidirectional vibration fritting furnace, a serial communication port, including the hot pressing furnace body that has the pressure system, the inside heat -generating body of hot pressing furnace body is induction coil, is provided with the infrared radiation thermometer among the induction coil, the upper portion of pressure system 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 is equipped with the servo biasing means of top electricity liquid, and bottom electricity servo biasing means of liquid and the top servo biasing means of electricity liquid all are connected to electro hydraulic servo system. The utility model discloses can realize makeeing in vibration sintering the granule to reset, 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, simultaneously can obviously shorten the sintering time, reduce the energy consumption, also reduced environmental pollution when improving work efficiency greatly.
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 sintering furnace.
Background technology
Because its sintering temperature is low, speed fast, consistency is high, is to prepare indispensable one kind sides such as metal and ceramics for hot pressing
Method.And what hot pressed sintering was typically carried out in hot pressing furnace.Hot pressing furnace can be in vacuum or protective atmosphere, to ceramics, gold
Category and some refractory metal intermediate compound powder are sintered, so as to obtain the material with certain consistency and mechanical strength
Material.The ultimate principle of hot pressed sintering is at a high temperature of certain, to sample certain pressure to be applied, and makes the particle in base substrate granule
Under the dual function of high temperature and mechanical force, contact and diffusion between different powders in green compact are realized, pore is excluded, final to realize
The densification of material.And the hot pressed sintering pressuring method of the two-way mechanical pressurization for adopting at present is although reliable and stable, but flexibly
Property is inadequate.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of by providing Frequency Adjustable alternating pressure, and then
Improve the intermediate frequency two-way oscillation sintering furnace of the performance of high-performance ceramic and sintered metal product.Technical scheme is as follows：
A kind of intermediate frequency two-way oscillation sintering furnace, including the hot pressing body of heater with pressure system, the hot pressing furnace interior
Heater is induction coil, and infrared radiation thermometer is provided with induction coil；The top of pressure system is provided with seaming chuck, and 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, and bottom electro-hydraulic servo is applied
Pressure device 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 adopt high temperature alloy, refractory metal, boron nitride, carborundum, oxidation
Zirconium or aluminium oxide ceramics are made.
The beneficial effects of the utility model are：
1) this utility model realizes vibratory sintering on the basis of existing equipment, in the case where same sintered article is obtained
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
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 can carry out rapid temperature rise and drop using induction coil as heater, compare other heating sides
Formula substantially shortens sintering time, and reducing energy consumption decreases environmental pollution while work efficiency is greatly improved.
Description of the drawings
Fig. 1 is the structural representation of this utility model intermediate frequency two-way oscillation sintering furnace.
1- intermediate frequency power supplies；2- induction coils；3- electrohydraulic servo systems；4- seaming chucks；5- push-down heads；6- infrared radiation thermometers；
7- bottoms electro-hydraulic servo device for exerting；8- bottoms electro-hydraulic servo device for exerting.
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 sintering furnace, including hot pressing body of heater, intermediate frequency power supply 1, control system, electrohydraulic servo system 3 with pressure system；
The heater of the hot pressing furnace interior is induction coil 2, and infrared radiation thermometer 6 is provided with induction coil 2；Pressure system it is upper
Portion is provided with seaming chuck 4, and bottom is provided with push-down head 5；The bottom of push-down head 5 is provided with the bottom of frequency, amplitude and pressure adjustable and electro-hydraulic watches
Take device for exerting 7, bottom electro-hydraulic servo device for exerting 7 is connected to electrohydraulic servo system 3；Electro-hydraulic servo actuator system is using double
To pressuring method, therefore the top of seaming chuck 4 is provided with the top electro-hydraulic servo device for exerting 8 of frequency, amplitude and pressure adjustable, top electricity
Liquid servo device for exerting 8 is connected to electrohydraulic servo system 3, doubles can vibrating effect, more effectively promotes particle re-arrangement, accelerates
Volume contraction, reaches the purpose of fast densification.
Intermediate frequency power supply 1 adjusts induction coil 2 and heats, and by electro-hydraulic servo device for exerting to on-load pressure, frequency of vibration
It is controlled with amplitude/pressure, a whole set of experimental provision can be controlled by parameter setting, experimental provision is by infrared survey
Warm instrument 6 and pressure transducer can control and show the pressure in body of heater suffered by the temperature and sample of heating chamber.
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 adopts high temperature alloy, refractory metal, boron nitride, carborundum, zirconium oxide
Or aluminium oxide ceramics are made, it is ensured that pressure head institute bearing capacity is not less than 60MPa.
Body of heater is vertical installation.Intermediate frequency power supply 1 is the variable-frequency power sources generator for having at least two-way resonance circuit.
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 vibratory sintering for realizing high-performance ceramic and sintered metal product is put, so as to improve the consistency and performance of sintered article.
Claims (5)
1. a kind of intermediate frequency two-way oscillation sintering furnace, it is characterised in that include the hot pressing body of heater with pressure system, the hot pressing furnace
In vivo the heater in portion is induction coil（2）, induction coil（2）It is connected to infrared radiation thermometer（6）；The top of pressure system is provided with
Seaming chuck（4）, bottom is provided with push-down head（5）；Push-down head（5）Bottom is provided with the bottom of frequency, amplitude and pressure adjustable and electro-hydraulic watches
Take 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 sintering furnace according to claim 1, it is characterised in that the seaming chuck（4）Top 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）It is connected to electricity
Fluid servo system（3）.
3. intermediate frequency two-way oscillation sintering furnace according to claim 2, it is characterised in that the bottom electro-hydraulic servo pressure dress
Put（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 sintering furnace according to claim 2, it is characterised in that the bottom electro-hydraulic servo pressure dress
Put（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 sintering furnace according to claim 1, it is characterised in that the seaming chuck（4）And push-down head
（5）Made using high temperature alloy, refractory metal, boron nitride, carborundum, zirconium oxide or aluminium oxide ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173138.2U CN206176978U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration fritting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173138.2U CN206176978U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration fritting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206176978U true CN206176978U (en) | 2017-05-17 |
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ID=58682890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621173138.2U Active CN206176978U (en) | 2016-10-26 | 2016-10-26 | Intermediate frequency bidirectional vibration fritting furnace |
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| CN (1) | CN206176978U (en) |
Cited By (1)
| 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 |
-
2016
- 2016-10-26 CN CN201621173138.2U patent/CN206176978U/en active Active
Cited By (1)
| 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 |
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