CN205537096U - Vacuum hotpressing aluminium oxide fritting furnace - Google Patents
Vacuum hotpressing aluminium oxide fritting furnace Download PDFInfo
- Publication number
- CN205537096U CN205537096U CN201620070643.8U CN201620070643U CN205537096U CN 205537096 U CN205537096 U CN 205537096U CN 201620070643 U CN201620070643 U CN 201620070643U CN 205537096 U CN205537096 U CN 205537096U
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- Prior art keywords
- mould
- heater
- base
- pressure head
- fire
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- Expired - Fee Related
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- Crucibles And Fluidized-Bed Furnaces (AREA)
- General Induction Heating (AREA)
Abstract
The utility model belongs to the technical field of fritting furnace equipment technique and specifically relates to a vacuum hotpressing aluminium oxide fritting furnace. This kind of vacuum hotpressing aluminium oxide fritting furnace, including the furnace body, the furnace body both ends are connected with stove bottom and bell, are equipped with the base in the cavity that stove bottom, furnace body and bell formed, are equipped with the mould base on the base, and the mould is installed at mould base center, and the mould top is equipped with the cover and establishes the mould cover outside the mould, and the mould covers the insulating pressure head that surface mounting has graphite to make, is equipped with the drive arrangement of driving pressing head work on the pressure head, be equipped with fire -resistant heat -generating body between pressure head and the base, install heating element on the fire -resistant heat -generating body, furnace body connected has evacuating device. The utility model discloses simple structure, reasonable in design, easy and simple to handle, under the vacuum state, utilize 300Hz to 10000Hz's induction heating technique, make fire -resistant heat -generating body produce induced -current, and then produce high temperature, through the radiation conductivity to the work piece, make the work piece heat to the temperature of technological requirement.
Description
Technical field
This utility model relates to sintering furnace equipment technical field, especially a kind of vacuum hotpressing alumina sintering
Stove.
Background technology
Sintering is the temperature that powder or powder compact are heated to be less than the wherein fusing point of basis, then with one
Fixed method and speed are cooled to the process of room temperature.The result of sintering is to bond between powder particle, burns
The intensity of knot body increases, and the aggregation of powder particle is turned into the agglomerate of crystal grain, thus needed for obtaining
Physics, the goods of mechanical performance or material.Currently mainly there are two kinds of sintering method application relatively broad, a kind of
Being first to sinter after molded for mixture cold, another kind is to load powder in hot pressing film to enter while heating
Row compacting sintering molding, referred to as pressure sintering.Sintering atmosphere be divided into again in atmosphere sintering, in protective atmosphere
Sinter and sinter in a vacuum.Vacuum heating-press sintering can make product non-oxidation, imporosity, few impurity and raising
Alloying level, so that the mechanical performance of product significantly improves.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, it is provided that a kind of structure
Simply, vacuum hotpressing alumina sintering stove easy and simple to handle.
This utility model solves its technical problem and be the technical scheme is that a kind of vacuum hotpressing aluminium oxide burns
Freezing of a furnace, including placing on the table and have the body of heater of Double-layer water interlayer mechanism, bottom of furnace body is provided with into water
Mouthful, body of heater top is provided with outlet, and it is Double-layer clamp that the connection of body of heater two ends has furnace bottom and bell, furnace bottom and bell
Layer end enclosure structure；Being provided with base in the cavity that described furnace bottom, body of heater and bell are formed, base is provided with mould
Base, mold base center is provided with the mould equipped with alumina powder, and mould is arranged over being set in mould
Outer mould cover, mould cover upper surface is provided with the insulation pressure head that graphite is made, and pressure head is provided with drive ram
The driving means of work；It is provided with between described pressure head and base and is set in outside mold base, mould and mould cover
And become cylindric fire-resistant heater, fire-resistant heater is provided with heating assembly；On described mold base
The temperature sensor of monitoring sintering in-furnace temperature is installed；Described body of heater connects vacuum extractor.
Further, described heating assembly includes the induction coil being connected with fire-resistant heater, and induction coil depends on
Secondary connection has intermediate-frequency transformer and intermediate frequency power supply, and intermediate frequency power supply is built-in with temperature of silicon controlled rectifier controller.
Further, described driving means includes press cylinder body and press piston, and press piston one end is installed
On press cylinder body, the press piston other end is connected to pressure head.
Further, described temperature sensor is connected to temperature of silicon controlled rectifier controller by wired or wireless.
The beneficial effects of the utility model are: this utility model simple in construction, reasonable in design, easy and simple to handle,
Under vacuum conditions, utilize the induction heating technique of 300Hz to 10000Hz, make fire-resistant heater produce sense
Induced current, and then produce high temperature, by conduct radiation to workpiece, make workpiece heat arrive the temperature of technological requirement
Degree.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
1. press cylinder body, 2. press piston, 3. pressure head in figure, the most fire-resistant heater, 5. mold base, 6.
Workbench, 7. mould, 8. furnace bottom, 9. water inlet, 10. induction coil, 11. temperature sensors, 12. outlets,
13. bodies of heater, 14. bells, 15. mould covers, 16. intermediate-frequency transformers, 17. intermediate frequency power supplies, 18. vacuum means
Put, 19. bases.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is further described.These accompanying drawings are the schematic diagram of simplification
Basic structure of the present utility model is described the most in a schematic way, and therefore it only shows relevant with this utility model
Constitute.
Vacuum hotpressing alumina sintering stove as shown in Figure 1, including being placed on workbench 6 and having bilayer
The body of heater 13 of water interlayer mechanism, is provided with water inlet 9 bottom body of heater 13, body of heater 13 top is provided with outlet 12,
It is double-layer interlayer end enclosure structure that the connection of body of heater 13 two ends has furnace bottom 8 and bell 14, furnace bottom 8 and bell 14；
Being provided with base 19 in the cavity that furnace bottom 8, body of heater 13 and bell 14 are formed, base 19 is provided with mold base
5, mold base 5 center is provided with the mould 7 equipped with alumina powder, and mould 7 is arranged over being set in mould
Mould cover 15 outside tool 7, mould cover 15 upper surface is provided with the insulation pressure head 3 that graphite is made, pressure head 3
It is provided with the driving means of drive ram 3 work；It is provided with between pressure head 3 and base 19 and is set in mold base
5, outside mould 7 is with mould cover 15 and become cylindric fire-resistant heater 4, fire-resistant heater 4 is installed
There is heating assembly；The temperature sensor 11 of monitoring sintering in-furnace temperature is installed on mold base 5；Body of heater 13
Connect and have vacuum extractor 18.
Heating assembly includes the induction coil 10 being connected with fire-resistant heater 4, and induction coil 10 is connected with in turn
Intermediate-frequency transformer 16 and intermediate frequency power supply 17, intermediate frequency power supply 17 is built-in with temperature of silicon controlled rectifier controller.
Driving means includes that press cylinder body 1 and press piston 2, press piston 2 one end are arranged on press cylinder body 1
On, press piston 2 other end is connected to pressure head 3；Temperature sensor 11 can by wired or wireless being connected to
Control silicon temperature controller.
During work, alumina powder is loaded in mould 7, press piston 2 drive ram of press cylinder body 1
3 move down, and mould cover 15 is set in outside mould 7 and connects with mold base 5；Vacuum extractor 18 work
Making sintering furnace evacuation, intermediate frequency power supply 17 drives intermediate-frequency transformer 16 to work, and is made by induction coil 10
Fire-resistant heater 4 produces faradic current, and then produces high temperature by conduct radiation to mould 7 so that oxygen
Change aluminium powder and sinter workpiece into；After having sintered, intermediate frequency power supply 17 disconnects, and sintering furnace is lowered the temperature, body of heater simultaneously
Water inlet 9 bottom 13 is intake, and flows out from outlet 12, accelerates sintering furnace cooling.
This vacuum hotpressing alumina sintering furnace structure is simple, reasonable in design, easy and simple to handle, at vacuum state
Under, utilize the induction heating technique of 300Hz to 10000Hz, make fire-resistant heater 4 produce faradic current,
And then generation high temperature, by conduct radiation to workpiece, make workpiece heat arrive the temperature of technological requirement.
Above-mentioned embodiment only for technology of the present utility model design and feature are described, its object is to allow familiar
The personage of technique will appreciate that content of the present utility model and is carried out, and can not limit this reality with this
With novel protection domain, all equivalence changes made according to this utility model spirit or modification, all answer
Contain in protection domain of the present utility model.
Claims (4)
1. a vacuum hotpressing alumina sintering stove, it is characterised in that: include being placed on workbench (6)
And there is the body of heater (13) of Double-layer water interlayer mechanism, body of heater (13) bottom is provided with water inlet (9), body of heater (13)
Top is provided with outlet (12), and body of heater (13) two ends connect furnace bottom (8) and bell (14), furnace bottom (8)
It is double-layer interlayer end enclosure structure with bell (14)；Described furnace bottom (8), body of heater (13) and bell (14)
Being provided with base (19) in the cavity formed, base (19) is provided with mold base (5), mold base (5)
Center is provided with the mould (7) equipped with alumina powder, and mould (7) is arranged over being set in mould (7)
Outer mould cover (15), mould cover (15) upper surface is provided with the insulation pressure head (3) that graphite is made, pressure head
(3) driving means that drive ram (3) works it is provided with；Between described pressure head (3) and base (19)
Be provided be set in mold base (5), mould (7) and mould cover (15) outward and become cylindric fire-resistant
Hot body (4), fire-resistant heater is provided with heating assembly on (4)；Described mold base is provided with on (5)
The temperature sensor (11) of monitoring sintering in-furnace temperature；Described body of heater (13) connects vacuum extractor (18).
Vacuum hotpressing alumina sintering stove the most according to claim 1, it is characterised in that: described adds
Hot assembly includes the induction coil (10) being connected with fire-resistant heater (4), and induction coil (10) is sequentially connected with
Having intermediate-frequency transformer (16) and intermediate frequency power supply (17), intermediate frequency power supply (17) is built-in with temperature of silicon controlled rectifier control
Device.
Vacuum hotpressing alumina sintering stove the most according to claim 1, it is characterised in that: described drives
Dynamic device includes press cylinder body (1) and press piston (2), and press piston (2) one end is arranged on press cylinder
On body (1), press piston (2) other end is connected to pressure head (3).
Vacuum hotpressing alumina sintering stove the most according to claim 2, it is characterised in that: described temperature
Degree sensor (11) is connected to temperature of silicon controlled rectifier controller by wired or wireless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070643.8U CN205537096U (en) | 2016-01-25 | 2016-01-25 | Vacuum hotpressing aluminium oxide fritting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070643.8U CN205537096U (en) | 2016-01-25 | 2016-01-25 | Vacuum hotpressing aluminium oxide fritting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205537096U true CN205537096U (en) | 2016-08-31 |
Family
ID=56769299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620070643.8U Expired - Fee Related CN205537096U (en) | 2016-01-25 | 2016-01-25 | Vacuum hotpressing aluminium oxide fritting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205537096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524769A (en) * | 2016-11-14 | 2017-03-22 | 上海皓越电炉技术有限公司 | One-way hot-press sintering furnace |
| CN107971493A (en) * | 2017-12-12 | 2018-05-01 | 徐州三和机械零部件有限公司 | A kind of intermediate frequency vacuum sintering funace used for metal thermal treatment |
-
2016
- 2016-01-25 CN CN201620070643.8U patent/CN205537096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524769A (en) * | 2016-11-14 | 2017-03-22 | 上海皓越电炉技术有限公司 | One-way hot-press sintering furnace |
| CN107971493A (en) * | 2017-12-12 | 2018-05-01 | 徐州三和机械零部件有限公司 | A kind of intermediate frequency vacuum sintering funace used for metal thermal treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |