CN206504606U - A kind of improved vacuum hotpressing stove - Google Patents
A kind of improved vacuum hotpressing stove Download PDFInfo
- Publication number
- CN206504606U CN206504606U CN201720046810.XU CN201720046810U CN206504606U CN 206504606 U CN206504606 U CN 206504606U CN 201720046810 U CN201720046810 U CN 201720046810U CN 206504606 U CN206504606 U CN 206504606U
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- CN
- China
- Prior art keywords
- sealing ring
- seal support
- upper seal
- way
- heater
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of improved vacuum hotpressing stove, the bottom of its body of heater is installed with a sealing device；The sealing device includes upper seal support, bottom sealing socket and two-way sealing ring, upper seal support is fixedly installed in bottom of furnace body, bottom sealing socket is removably installed in upper seal support bottom and encloses hollow two-way sealing ring installing space with upper seal support, and the madial wall of upper sealing ring and lower seal is provided with sealing ring fixing groove；Two-way sealing ring is the big class olive shape structure of the small middle internal diameter of two ends internal diameter, the periphery at the middle part of two-way sealing ring is provided with boss, boss is nested in sealing ring fixing groove, there is sealing ring free gap between the two ends of two-way sealing ring and relative upper seal support and bottom sealing socket, push rod sequentially enters furnace interior through bottom sealing socket, two-way sealing ring and upper seal support；Upper seal support, two-way sealing ring and push rod enclose upper chamber, and bottom sealing socket, two-way sealing ring and push rod enclose lower chamber.
Description
Technical field
The utility model is related to ITO target process equipment field, more particularly to a kind of improved vacuum hotpressing stove.
Background technology
ITO target main preparation methods have hot isostatic pressing method, pressure sintering and sintering process etc..Vacuum hot-pressing is to utilize heat
Pulverulent material can be placed in the high carbon die in vacuum and protective atmosphere with mechanical performance, high-temperature heating arrives soft state
When, the technique of extrusion forming.Due to the technique sintering temperature can according to the size of impressed pressure than it is normal pressure-sintered it is low about 200 DEG C~
400 DEG C, while additional energy accelerates pulverulent material densification rate, can be in relatively low temperature and in the shorter time
Production has completed fully dense ITO targets product, therefore domestic manufacturer generally produces ITO targets using vacuum hot-pressing at present
Material.
Vacuum hotpressing stove is as shown in figure 1, generally include body of heater 10 ', heating mechanism 20 ' and hot-press arrangement 30 ', wherein hot
Pressure device 30 ' includes being arranged at the seaming chuck 301 ' at the top of body of heater and is arranged at the push-down head 302 ' of bottom of furnace body, it is described under
Pressure head 302 ' is installed on the push rod 3031 ' of lower hydraulic jack 303 ', under being driven due to the push rod 3031 ' through bottom of furnace body
Pressure head moves up and down in the high-temperature region of body of heater, then the sealing condition of push rod is to influence the key factor of vacuum in body of heater.Push rod
Sealing structure as shown in figure 1, the flange 1 ' including being fixedly connected with furnace bottom 101 ', a ring packing is installed in the flange 1 '
Circle 2 ', the push rod 3031 ' enters furnace interior through O-ring seal 2 ', causes sealing ring 2 ' when body of heater vacuumizes operation
Upper pressure die-offs, and partial air enters body of heater by sealing ring lower potion increases the gap between sealing ring and push rod, and then leads
Seal effectiveness is caused to decline.
The content of the invention
The purpose of this utility model is to provide a kind of sealing property excellent vacuum hotpressing stove.
Realizing the technical scheme of the utility model purpose is, a kind of improved vacuum hotpressing stove, and it includes body of heater, hypertherm
Structure and hot-press arrangement, the heating mechanism include being installed on the heater and several heat conduction electrodes of furnace interior, described to lead
Thermode is connected through body of heater with heater；The hot-press arrangement includes being arranged at the seaming chuck at the top of body of heater and is arranged at stove
The push-down head of body bottom, the push-down head is installed on the push rod of lower hydraulic jack, and the bottom of the body of heater is installed with one
Sealing device；The sealing device includes upper seal support, bottom sealing socket and two-way sealing ring, and the upper seal support is fixedly mounted
In bottom of furnace body, the bottom sealing socket is removably installed in upper seal support bottom and enclosed with upper seal support hollow two-way
The madial wall of sealing ring installing space, upper sealing ring and lower seal is provided with sealing ring fixing groove；The two-way sealing ring
For the big class olive shape structure of the small middle internal diameter of two ends internal diameter, the periphery at the middle part of two-way sealing ring is provided with boss, described convex
Platform is nested in sealing ring fixing groove, is existed between the two ends of two-way sealing ring and relative upper seal support and bottom sealing socket close
Seal free gap, the push rod sequentially enters furnace interior through bottom sealing socket, two-way sealing ring and upper seal support, described
Upper seal support, two-way sealing ring and push rod enclose upper chamber, and the bottom sealing socket, two-way sealing ring and push rod are enclosed
Lower chamber.
Further, the sealing ring fixing groove is that upper seal support is spliced with bottom sealing socket.
Further, the boss is fixedly connected with sealing ring fixing groove.
Further, the two-way sealing ring is integrally formed.
Further, it is provided with water return pipeline inside the heat conduction electrode.Cooling water and heat conduction motor are abundant in water return pipeline
Heat exchange, it is to avoid temperature is too high to cause short circuit.
The two way seal coil structures of original creation and upper and lower seal receptacle and push rod in the vacuum hotpressing stove that the utility model is realized
Coordinate, upper and lower two air chambers are separated out inside sealing device, pressure, which is die-offed, when body of heater is vacuumized, in upper chamber causes sky
Gas is entered in two-way sealing ring by the top of two-way sealing ring, because air pressure is more than two-way sealing ring air pressure inside in lower chamber,
Then push rod is held tightly in the bottom of two-way sealing ring by the pressure of lower chamber, gas leakage is prevented, so as to ensure that the vacuum of body of heater；When
In body of heater during barotropic state, upper chamber pressure is more than two-way sealing ring air pressure inside, then the top of two-way sealing ring is by upper gas
The pressure of room holds push rod tightly, it is ensured that body of heater is air tight.
Brief description of the drawings
Fig. 1 is vacuum hotpressing stove partial cross structural representation described in the utility model background technology；
Fig. 2 is the partial cross structural representation of vacuum hotpressing stove described in the utility model embodiment；
Fig. 3 is the assembling structure sectional view of upper and lower seal receptacle described in the utility model embodiment；
Fig. 4 is heat conduction electrode structural representation described in the utility model embodiment.
Embodiment
The utility model preferred embodiment is elaborated below in conjunction with accompanying drawing.
As shown in Figure 2 and Figure 4, a kind of improved vacuum hotpressing stove, it includes body of heater 10, heating mechanism 20 and hot pressing dress
30 are put, the heating mechanism 20 includes being installed on the heater 201 and several heat conduction electrodes 202 of furnace interior, the heat conduction
Electrode 202 is connected through body of heater with heater 201, and the inside of heat conduction electrode 202 is provided with water return pipeline 2021.
As shown in Figures 2 and 3, the hot-press arrangement 30 includes being arranged at the seaming chuck 301 at the top of body of heater and being arranged at
The push-down head 302 of bottom of furnace body, the push-down head 302 is installed on the push rod 3031 of lower hydraulic jack 303, the bottom of the body of heater
Portion 101 is installed with a sealing device 1；The sealing device 1 includes upper seal support 11, bottom sealing socket 12 and two way seal
Circle 13, the upper seal support 11 is fixedly installed on the bottom 101 of body of heater, and the bottom sealing socket 12 is removably installed in close
The envelope bottom of seat 11 simultaneously encloses hollow two-way sealing ring installing space, upper sealing ring 11 and lower seal with upper seal support 11
12 madial wall is provided with sealing ring fixing groove 14；The two-way sealing ring 13 is the big class olive of the small middle internal diameter of two ends internal diameter
Shape structure, the periphery at the middle part of two-way sealing ring 13 is provided with boss 131, and the boss 131 is nested in sealing ring fixing groove 14
It is interior, exist between the two ends of two-way sealing ring 13 and upper seal support 11 and bottom sealing socket 12 corresponding thereto between sealing ring activity
Gap D, the push rod 3031 sequentially enters furnace interior through bottom sealing socket 12, two-way sealing ring 13 and upper seal support 11, institute
State upper seal support 11, two-way sealing ring 13 and push rod 3031 and enclose upper chamber 2, the bottom sealing socket 12, two-way sealing ring
13 and push rod 3031 enclose lower chamber 3.
Wherein, heater and the hot-press arrangement structure is prior art, and therefore not to repeat here.
Pressure, which is die-offed, when body of heater is vacuumized, in upper chamber 2 causes air to enter two-way by the top of two-way sealing ring 13
In sealing ring, because air pressure is more than the air pressure inside of two-way sealing ring 13 in lower chamber 3, then the bottom of two-way sealing ring 13 is by under
The pressure of air chamber 3 holds push rod tightly, gas leakage is prevented, so as to ensure that the vacuum of body of heater；When barotropic state in body of heater, upper chamber
2 pressure are more than the air pressure inside of two-way sealing ring 13, then push rod is held tightly in the top of two-way sealing ring 13 by the pressure of upper chamber 2,
Ensure that body of heater is air tight.
Boss described in the utility model can be directly embedded in sealing ring fixing groove, can also be fixed with sealing ring fixing groove
Connection, to lift the stability of two-way sealing ring；Sealing ring fixing groove described in the present embodiment is upper seal support and bottom sealing socket
It is spliced, sealing ring fixing groove, the quantity and sealing ring of boss can also be opened up respectively in upper and lower seal receptacle madial wall respectively
The quantity of fixing groove matches；Upper and lower seal receptacle bolt connection in the present embodiment, practical set structure not limited to this is upper and lower close
Envelope can be connected with clamping or using other assembling structures being readily disassembled.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other related technology necks
Domain, is similarly included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of improved vacuum hotpressing stove, it includes body of heater, heating mechanism and hot-press arrangement, and the heating mechanism includes peace
Heater and several heat conduction electrodes loaded on furnace interior, the heat conduction electrode are connected through body of heater with heater；The heat
Pressure device includes being arranged at the seaming chuck at the top of body of heater and being arranged at the push-down head of bottom of furnace body, and the push-down head is installed on down
On the push rod of hydraulic jack, the bottom of the body of heater is installed with a sealing device, it is characterised in that：The sealing device bag
Include upper seal support, bottom sealing socket and two-way sealing ring, the upper seal support is removably installed in bottom of furnace body, it is described under it is close
Envelope seat is fixedly installed in upper seal support bottom and encloses hollow two-way sealing ring installing space, upper sealing ring with upper seal support
And the madial wall of lower seal is provided with sealing ring fixing groove；The two-way sealing ring is that internal diameter small middle internal diameter in two ends is big
Class olive shape structure, the periphery at the middle part of two-way sealing ring is provided with boss, and the boss is nested in sealing ring fixing groove, double
To there is sealing ring free gap between the two ends of sealing ring and relative upper seal support and bottom sealing socket, the push rod is sequentially
Enter furnace interior through bottom sealing socket, two-way sealing ring and upper seal support, the upper seal support, two-way sealing ring and push away
Bar encloses upper chamber, and the bottom sealing socket, two-way sealing ring and push rod enclose lower chamber.
2. vacuum hotpressing stove according to claim 1, it is characterised in that：The sealing ring fixing groove is upper seal support with
Seal receptacle is spliced.
3. vacuum hotpressing stove according to claim 1, it is characterised in that：The boss is fixed with sealing ring fixing groove to be connected
Connect.
4. vacuum hotpressing stove according to claim 1, it is characterised in that：The two-way sealing ring is integrally formed.
5. vacuum hotpressing stove according to claim 1, it is characterised in that：Water return pipeline is provided with inside the heat conduction electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720046810.XU CN206504606U (en) | 2017-01-16 | 2017-01-16 | A kind of improved vacuum hotpressing stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720046810.XU CN206504606U (en) | 2017-01-16 | 2017-01-16 | A kind of improved vacuum hotpressing stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504606U true CN206504606U (en) | 2017-09-19 |
Family
ID=59839185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720046810.XU Expired - Fee Related CN206504606U (en) | 2017-01-16 | 2017-01-16 | A kind of improved vacuum hotpressing stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504606U (en) |
-
2017
- 2017-01-16 CN CN201720046810.XU patent/CN206504606U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: FUJIAN NORCY NEW MATERIAL TECHNOLOGY Co.,Ltd. Assignor: FUJIAN NORCY SCIENCE PARK DEVELOPMENT CO.,LTD. Contract record no.: X2019980000589 Denomination of utility model: Modified vacuum furnace for hot forming Granted publication date: 20170919 License type: Common License Record date: 20191113 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20220116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |