CN207066126U - A kind of mini-sintering system - Google Patents
A kind of mini-sintering system Download PDFInfo
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- CN207066126U CN207066126U CN201720965114.9U CN201720965114U CN207066126U CN 207066126 U CN207066126 U CN 207066126U CN 201720965114 U CN201720965114 U CN 201720965114U CN 207066126 U CN207066126 U CN 207066126U
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Abstract
The utility model discloses a kind of mini-sintering system, including sintering equipment, vacuum system, atmosphere system, temperature system, and four integrate in a miniature cabinet, the sintering equipment is arranged on the left of miniature cabinet on the vertical cabinet of top, the vertical cabinet side is provided with for controlling sintering equipment, vacuum system, atmosphere system and the control flow of temperature system operation, opposite side is then provided with the temperature monitor for being used for monitoring temperature in temperature system, the vertical cabinet front is provided with the closure of sintering equipment, the vertical cabinet back side is provided with the inflation line for atmosphere system, the external pump housing, the horizontal cabinet for supporting vertical cabinet is provided with below the vertical cabinet.The utility model forms a high and easy to operation mini-sintering system of the small integrated level of floor space by changing the original structure design of sintering system.
Description
Technical field
It the utility model is related to sintering system field, the specially high mini-sintering system of the small integrated level of floor space.
Background technology
Sintering refers to granular material to be changed into dense body, is a traditional technical process.People utilize this very early
Individual technique produces ceramics, powder metallurgy, refractory material, hyperthermal material etc..In general, powder passes through after overmolding
It is a kind of polycrystalline material to sinter obtained dense body, and its microstructure is made up of crystal, vitreum and stomata.Sintering process is direct
Crystallite dimension, pore size and the grain-boundary shape in microstructure and distribution are influenceed, and then influences the performance of material.
And sintering system can be divided into discharge plasma sintering, hot pressing according to the difference of its heating environment and mode of heating
Sintering, resistance heating sintering, wherein discharge plasma sintering (Spark Plasma Sintering, abbreviation SPS) technique be by
The powder such as metal load graphite etc. made of material in mould, using upper and lower stamping and powered electrode by specific sintering power supply and
Pressing pressure puts on sintered powder, completes to produce a kind of new of high performance material through discharge activation, thermoplastic deformation and cooling
Powder metallurgy sintered technology, discharge plasma sintering have the characteristics of being sintered in pressure process, waited caused by pulse current from
Pressurization in daughter and sintering process advantageously reduces the sintering temperature of powder, and discharge plasma sintering method (SPS) is by pressing
Pulse electric energy, the high heat energy of the high-temperature plasma that spark discharge is instantaneously occurred (plasma discharging) are sent into powder base powder gap
It is effectively applied to thermal diffusion and electric field diffusion etc., in the case where being warming up to more than 2000 DEG C of superhigh temperature by low temperature, insulation about exists
It can complete " to sinter " in 5 to 20min or so short time or " sinter bonded ", be the new technology of new material synthesis processing, this
One new technology is different from traditional " discharge sintering method ", and the material category being applicable is very more and extensive, can be used to synthesize bag
Include fiber/particle composite, function-graded material, foreign material and be bonded on interior composite, and closed including amorphous state
Metal material including gold, magnetic material, intermetallic compound, hard alloy, it is also possible to for the structure control of porous material,
Application prospect is quite varied.And hot pressed sintering is that dry powder is filled into model, then from single shaft direction while pressurization while heat,
Make shaping and sintering while a kind of sintering method completed.Its feature is that hot pressed sintering is carried out simultaneously due to heating pressurization, powder
In hot plastic state, contribute to the contact diffusion of particle, flow the progress of mass transport process, thus briquetting pressure is only what is be cold-pressed
1/10；It can also reduce sintering temperature, shorten sintering time, grown up so as to resist crystal grain, obtain that crystal grain is tiny, consistency is high and machine
The good product of tool, electric property.Sintering aid or shaping assistant need not be added, the ceramic product of ultra-high purity can be produced.And
Resistance heating sinters
But equipment volume to be present big for said system, causes floor space big, especially to R＆D institution and institute of junior college
School, its experimental site is smaller, is not suitable for being placed in Routine Test Lab, and place to place needs to redesign, and causes a large amount of waves
Take.
Utility model content
The purpose of this utility model is to form a floor space by changing the original structure design of sintering system small
The high and easy to operation mini-sintering system of integrated level.
To achieve the above object, the utility model provides following technical scheme：
A kind of mini-sintering system, it is characterised in that including sintering equipment, vacuum system, atmosphere system, temperature system,
And four integrate in a miniature cabinet, wherein, the sintering equipment is arranged on the left of miniature cabinet on the vertical cabinet of top,
The vertical cabinet side is provided with for controlling sintering equipment, vacuum system, atmosphere system and the control of temperature system operation
System screen, opposite side are then provided with the temperature monitor for being used for monitoring temperature in temperature system, and the vertical cabinet front is provided with
The closure of sintering equipment, the vertical cabinet back side are provided with the inflation line for atmosphere system, and the external pump housing is described perpendicular
To the horizontal cabinet being provided with below cabinet for supporting vertical cabinet, the horizontal cabinet has been internally integrated sintering equipment, true
The control circuit of empty set system, atmosphere system and temperature system, and the sintering equipment uses discharge plasma sintering module, its
Including pressue device and impulse current generator.
Preferably, the pressue device is arranged at the top of vertical cabinet, including is set in sintering equipment and sintered above module
Seaming chuck, and sinter module-external water-cooled vacuum room.
Preferably, the pressue device is provided with pressure controller and displacement control system, wherein the pressure controller
The pulse size sent is 0~200kN, and frequency is 0~100Hz, the pressure controller and the driving for driving seaming chuck
Element is connected, the displacement control system include be sequentially connected the sensor connect, capture card, host computer, PLC control system and
Servo valve, the servo valve is controlling seaming chuck.
Preferably, temperature monitor, PLC control system and the pulse current that the temperature system includes being sequentially connected occur
Device, the sintering equipment left side are provided with a through hole for being used for infrared detection temperature.
Preferably, the atmosphere system includes gas handling system and gas extraction system；The gas handling system includes a fast inflation
Circuit and a slow inflation line, the fast inflation line include fast charge valve and flowmeter, and the slow inflation line includes trickle charge
Valve and flowmeter, the flow velocity of the fast inflation line in 3~30L/mim, the flow velocity of the slow inflation line in 1~10L/min,
The gas extraction system includes atmosphere pressures sensor, vacuum meter, air bleeding valve, Manual air-release valves and the regulating valve being sequentially connected, institute
The size of valve port can be changed by stating regulating valve, and control electric current scope is connected with filter between 4~20mA after the regulating valve
With the direct-connected pump of rotary vane type.
And a kind of sintering method of mini-sintering system, comprise the following steps：
S1, sintering equipment closure in vertical cabinet opened, be sintered thing and be put into sintering equipment, pass through control after sealing
System screen control mini-sintering system extracts vacuum to 5pa；
S2, by control flow control pressue device in seaming chuck displacement, to mould apply pressure, pressure limit is in 2-
15kN, voltage stabilizing 1-5min；
S3, pass through the impulse current generator in control flow control temperature system so that temperature is adjusted at 500-2000 DEG C
Fluctuation, kept for certain time；
S4, after machining, thing to be sintered be cooled to room temperature taking-up.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this mini-sintering system is in its structure optimization, by reasonably arranging so that the occupation of land face of whole sintering system
Product is small, and vertical height control is within the specific limits, is easy to laboratory or other research institutions to be used；
2nd, this mini-sintering system has the repertoire of other large scale sintering systems, and intelligent, integrated level height, operation
Personnel can directly complete all operationss of sintering system by control flow, and be checked by control flow each in whole sintering process
The design parameter at position.
Brief description of the drawings
Fig. 1 is the front view of the utility model mini-sintering system；
Fig. 2 is the schematic diagram of the utility model mini-sintering system；
Fig. 3 is the structural representation of the utility model mini-sintering system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：The mini-sintering system, including sintering equipment 1,
Vacuum system, atmosphere system, temperature system, and four integrate in a miniature cabinet 100, wherein, the sintering equipment 1 is set
On the vertical cabinet 101 above the miniature left side of cabinet 100, the vertical side of cabinet 101 is provided with for controlling sintering dress
The control flow 5 of 1, vacuum system, atmosphere system and temperature system operation is put, opposite side, which is then provided with temperature system, is used for temperature
The temperature monitor 4 of monitoring is spent, the vertical front of cabinet 101 is provided with the closure 11 of sintering equipment 1, the vertical cabinet
101 back sides are provided with the inflation line 3 for atmosphere system, and the external pump housing 31, the vertical lower section of cabinet 101, which is provided with, to be used for
The horizontal cabinet 102 of vertical cabinet 101 is supported, the horizontal cabinet 102 has been internally integrated sintering equipment 1, vacuum system, atmosphere
The control circuit of system and temperature system, the sintering equipment 1 use discharge plasma sintering module, and it includes pressue device
6 and impulse current generator.Electrode 71 is arranged on seaming chuck in wherein described impulse current generator.
The pressue device 6 is arranged on the vertical top of cabinet 101, including sets in sintering equipment 1 and sinter above module
Seaming chuck 61, and sinter the water-cooled vacuum room 2 of module-external.
The pressue device 6 is provided with pressure controller and displacement control system, wherein what the pressure controller was sent
Pulse size is 0~200kN, and frequency is 0~100Hz, the pressure controller and the driving element for driving seaming chuck 61
It is connected, the driving element can be hydraulic cylinder either cylinder or other mechanical drive modes, and unilateral pressure head is realized with this
Pulsed or the pressing of single formula, wherein more pulseds from unilateral pressure head or single formula pressing mode, the pressing effect brought
Fruit is more preferable, and stability is higher.The displacement control system includes being sequentially connected the sensor connect, capture card, host computer, PLC controls
System processed and servo valve, the servo valve is controlling seaming chuck 61.The sensor includes force snesor and displacement transducer,
Force snesor and displacement transducer are arranged at seaming chuck, are easy to the accuracy of sensing.Because the system data volume is more huge,
The acquisition module carried using common PLC control system can not be completed to gather, therefore PLC coordinates capture card, host computer to carry out
The collection and analysis of data, while capture card uses 10KHz specification, ensures the normal acquisition of data.
The temperature system includes temperature monitor 4, PLC control system and the impulse current generator 71 being sequentially connected,
The left side of sintering equipment 1 is provided with a through hole 41 for being used for infrared detection temperature.
The atmosphere system includes gas handling system and gas extraction system；The gas handling system includes a fast inflation line and one
The slow inflation line of bar, the fast inflation line include fast charge valve and flowmeter, and the slow inflation line includes trickle charge valve and flow
Meter, the flow velocity of the fast inflation line is in 3~30L/mim, and the flow velocity of the slow inflation line is in 1~10L/min, the exhaust
System includes atmosphere pressures sensor, vacuum meter, air bleeding valve, Manual air-release valves and the regulating valve being sequentially connected, the regulating valve
The size of valve port can be changed, control electric current scope is connected with filter and rotary vane type between 4~20mA after the regulating valve
Direct-connected pump.
And a kind of sintering method of mini-sintering system, comprise the following steps：
S1, the closure 11 of sintering equipment 1 in vertical cabinet 101 opened, be sintered thing and be put into sintering equipment 1, sealed
Mini-sintering system is controlled to extract vacuum to 5pa by control flow 5 afterwards；
S2, the displacement of seaming chuck 61 in pressue device 6 controlled by control flow 5, pressure is applied to mould, pressure limit exists
2-15kN, voltage stabilizing 1-5min；
S3, pass through the impulse current generator 71 in the control temperature system of control flow 5 so that temperature is adjusted in 500-2000
DEG C fluctuation, keep certain time；
S4, after machining, thing to be sintered be cooled to room temperature taking-up.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
- A kind of 1. mini-sintering system, it is characterised in that including sintering equipment, vacuum system, atmosphere system, temperature system, and Four integrate in a miniature cabinet, wherein, the sintering equipment is arranged on the left of miniature cabinet on the vertical cabinet of top, institute Vertical cabinet side is stated to be provided with for controlling sintering equipment, vacuum system, atmosphere system and the control of temperature system operation Screen, opposite side are then provided with the temperature monitor for being used for monitoring temperature in temperature system, and the vertical cabinet front is provided with burning The closure of device is tied, the vertical cabinet back side is provided with the inflation line for atmosphere system, and the external pump housing is described vertical The horizontal cabinet for supporting vertical cabinet is provided with below cabinet, the horizontal cabinet has been internally integrated sintering equipment, vacuum The control circuit of system, atmosphere system and temperature system, the sintering equipment use discharge plasma sintering module, and it includes Pressue device and impulse current generator.
- 2. a kind of mini-sintering system according to claim 1, it is characterised in that the pressue device is arranged on vertical cabinet At the top of body, including the seaming chuck in sintering equipment above sintering module is set, and sinters the water-cooled vacuum room of module-external.
- 3. a kind of mini-sintering system according to claim 2, it is characterised in that the pressue device is provided with pressure control Device and displacement control system processed, wherein the pulse size that the pressure controller is sent is 0~200kN, frequency is 0~ 100Hz, with driving the driving element of seaming chuck to be connected, the displacement control system includes being sequentially connected the pressure controller Sensor, capture card, host computer, PLC control system and the servo valve connect, the servo valve is controlling seaming chuck.
- 4. a kind of mini-sintering system according to claim 3, it is characterised in that the temperature system includes being sequentially connected Temperature monitor, PLC control system and impulse current generator, be provided with one on the left of the sintering equipment and be used for infrared inspection The through hole of testing temperature.
- 5. a kind of mini-sintering system according to claim 4, it is characterised in that the atmosphere system includes gas handling system And gas extraction system；The gas handling system includes fast an inflation line and a slow inflation line, and the fast inflation line includes Fast charge valve and flowmeter, the slow inflation line include trickle charge valve and flowmeter, and the flow velocity of the fast inflation line is in 3~30L/ Mim, for the flow velocity of the slow inflation line in 1~10L/min, the gas extraction system includes the atmosphere pressures sensing being sequentially connected Device, vacuum meter, air bleeding valve, Manual air-release valves and regulating valve, the regulating valve can change the size of valve port, control electric current scope Between 4~20mA, filter and the direct-connected pump of rotary vane type are connected with after the regulating valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720965114.9U CN207066126U (en) | 2017-08-04 | 2017-08-04 | A kind of mini-sintering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720965114.9U CN207066126U (en) | 2017-08-04 | 2017-08-04 | A kind of mini-sintering system |
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| CN207066126U true CN207066126U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314676A (en) * | 2017-08-04 | 2017-11-03 | 浙江晨华科技有限公司 | A kind of mini-sintering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314676A (en) * | 2017-08-04 | 2017-11-03 | 浙江晨华科技有限公司 | A kind of mini-sintering system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181023 Address after: Room 17006, 1191 East Daming Road, Hongkou District, Shanghai Patentee after: SHANGHAI CHENHUA TECHNOLOGY CO., LTD. Address before: 313000 No. 66, eight Li shop, Tian Lu, Wuxing District, Huzhou, Zhejiang. Patentee before: Zhejiang morning Technology Co., Ltd. |