CN204366036U - A kind of microwave hot-press sintering furnace heat-insulated cavity - Google Patents
A kind of microwave hot-press sintering furnace heat-insulated cavity Download PDFInfo
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- CN204366036U CN204366036U CN201420774596.6U CN201420774596U CN204366036U CN 204366036 U CN204366036 U CN 204366036U CN 201420774596 U CN201420774596 U CN 201420774596U CN 204366036 U CN204366036 U CN 204366036U
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- attemperator
- heat
- alumina silicate
- preservation cotton
- deck
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- 238000005245 sintering Methods 0.000 title claims abstract description 74
- 238000004321 preservation Methods 0.000 claims abstract description 64
- 229920000742 Cotton Polymers 0.000 claims abstract description 61
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 61
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000009413 insulation Methods 0.000 claims abstract description 43
- 239000010445 mica Substances 0.000 claims abstract description 42
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000011533 pre-incubation Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 11
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052863 mullite Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 239000012774 insulation material Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004826 seaming Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000009768 microwave sintering Methods 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a kind of microwave hot-press sintering furnace heat-insulated cavity, belongs to microwave metallurgical equipment, PM technique and material sintering technology field.The utility model comprises attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve; Described upper attemperator is made up of mica sheet, one deck alumina silicate heat-preservation cotton II and one deck steel plate on one deck alumina silicate heat-preservation cotton I, one deck; Lower floor's attemperator is made up of mica sheet under one deck alumina silicate heat-preservation cotton III, one deck; Right attemperator is identical with left attemperator.The utility model makes can to obtain good heat between microwave hot-press sintering furnace seaming chuck and graphite jig and between push-down head and graphite jig isolates, and insulation material loss in larger pressure sintering process is less.And the speed of sintering can greatly be improved, reduce the cycle of sintering, solve the insulation problem of microwave hot-press sintering furnace in temperature-rise period preferably.
Description
Technical field
The utility model relates to a kind of microwave hot-press sintering furnace heat-insulated cavity, belongs to microwave metallurgical equipment, PM technique and material sintering technology field.
Background technology
Microwave hot-press sintering furnace combines the advantage of microwave sintering and hot pressed sintering.Both had reduce sample formation pressure, shorten sintering time, extrudate density is high and crystal grain is thin advantage.There is again microwave sintering overall heating, selective heating, programming rate is fast, sintering time is short, be easy to the features such as control, environmental friendliness, be easy to get evenly
Fine and close aplitic texture; to the Physical and mechanical properties that improve product, there is important effect; thus microwave hot-press sintering has potential advantage to materials such as sintered hard alloy, heavy alloy, superhard material, function ceramics; hot pressed sintering process can be carried out under high temperature, vacuumized conditions, also can in gas-filled protective situation just hot forming sintering.
But the design of microwave hot-press sintering furnace heat-insulated cavity is the difficult problem that restriction microwave hot-press stove carries out high temperature sintering always.Because microwave hot-press furnace cavity inside cannot effectively be incubated, cause microwave hot-press sintering furnace to be difficult to be raised to required temperature, programming rate is comparatively slow, and heat loss is comparatively large, and energy waste is serious.Thus for enabling microwave hot-press sintering furnace be used efficiently, the holding temperature of microwave hot-press sintering furnace is urgently to be resolved hurrily.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the utility model provides a kind of microwave hot-press sintering furnace heat-insulated cavity.This cavity design mainly solves the heat isolation between seaming chuck and graphite jig and between push-down head and graphite jig.Due to microwave hot-press sintering furnace, ram pressures 13KN ~ 360KN, operating temperature 0 ~ 1200 DEG C, the effect of insulation still will can be played under the condition of HTHP, general insulation material cannot be accomplished, adopting alumina silicate heat-preservation cotton layer, mica splittings, aluminum silicate insulation material layer, this thermal retardation form superposed successively of steel plate layer, both solved the isolating problem of temperature, can be again that mould bears pressure with a uniform power and sinters.
Technical solutions of the utility model are: a kind of microwave hot-press sintering furnace heat-insulated cavity, comprise attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve 14, the space that grinding tool insulation sleeve 14 is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet 5, one deck alumina silicate heat-preservation cotton II 15 and one deck steel plate 6 on one deck alumina silicate heat-preservation cotton I 4, one deck, lower floor's attemperator is made up of mica sheet 13 under one deck alumina silicate heat-preservation cotton III 10, one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve 14 is for being enclosed within outside graphite jig 7, the upper mica sheet 5 of alumina silicate heat-preservation cotton I 4 underneath one block is for heat insulation and moulding, upper mica sheet 5 is one deck alumina silicate heat-preservation cotton II 15 below, alumina silicate heat-preservation cotton II 15 is that a block plate 6 is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III 10 from top to bottom, lower mica sheet 13, when the compacting sintering downward with hydraulic stem 1 of the upper steel thermal head 16 on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace.
Described left attemperator, right attemperator are three layers of warming plate 12, described three layers of warming plate 12 in order to reduce the volume of cavity, simultaneously for heat insulation with the external world.
Described grinding tool insulation sleeve 14 is mullite material, and wall thickness is 20-30mm, and internal diameter is 50-150mm, and grinding tool insulation sleeve 14 is filled by alumina silicate heat-preservation cotton IV 11 with graphite jig 7 spacing.
Described preincubation device, rear attemperator are one layer of heat preservation plate.
Use procedure of the present utility model is: during use, microwave hot-press sintering furnace heat-insulated cavity is provided with in the microwave cavity skin 2 of microwave hot-press sintering furnace, the lower thermal head 9 of microwave hot-press sintering furnace is arranged on lower thermal head base 8, when microwave hot-press sintering furnace magnetron 3 produce microwave time, now the graphite jig 7 in microwave hot-press sintering furnace heat-insulated cavity is heated, hydraulic stem 1 makes upper steel thermal head 16 move downward by external impetus, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace, thus reach good heat insulation effect,
The beneficial effects of the utility model are: this heat-insulated cavity makes microwave hot-press sintering furnace effectively can be incubated under comparatively high sintering temperature and sintering pressure, and microwave hot-press sintering furnace can be raised to 1000-1200 DEG C with speed faster and carry out compacting sintering work;
Make microwave hot-press sintering furnace in the scope of ram pressures 20KN ~ 360KN, the isolation of good heat can be obtained between seaming chuck and graphite jig and between push-down head and graphite jig, and insulation material loss in larger pressure sintering process is less.And the speed of sintering can greatly be improved, reduce the cycle of sintering, preferably solve the insulation problem of microwave hot-press sintering furnace in temperature-rise period, for the application of microwave hot-press stove and popularization serve facilitation.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Each label in Fig. 1: 1-hydraulic stem, 2-microwave cavity is outer, 3-magnetron, the upper mica sheet of 4-alumina silicate heat-preservation cotton I, 5-, 6-steel plate, 7-graphite jig, thermal head base under 8-, thermal head under 9-, 10-alumina silicate heat-preservation cotton III, 11-alumina silicate heat-preservation cotton IV, 12-tri-layer of warming plate, mica sheet under 13-, 14-grinding tool insulation sleeve, the upper steel thermal head of 15-alumina silicate heat-preservation cotton II, 16-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of microwave hot-press sintering furnace heat-insulated cavity, comprises attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve 14, the space that grinding tool insulation sleeve 14 is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet 5, one deck alumina silicate heat-preservation cotton II 15 and one deck steel plate 6 on one deck alumina silicate heat-preservation cotton I 4, one deck, lower floor's attemperator is made up of mica sheet 13 under one deck alumina silicate heat-preservation cotton III 10, one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve 14 is for being enclosed within outside graphite jig 7, the upper mica sheet 5 of alumina silicate heat-preservation cotton I 4 underneath one block is for heat insulation and moulding, upper mica sheet 5 is one deck alumina silicate heat-preservation cotton II 15 below, alumina silicate heat-preservation cotton II 15 is that a block plate 6 is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III 10 from top to bottom, lower mica sheet 13, when the compacting sintering downward with hydraulic stem 1 of the upper steel thermal head 16 on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace.
Embodiment 2: as shown in Figure 1, a kind of microwave hot-press sintering furnace heat-insulated cavity, comprises attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve 14, the space that grinding tool insulation sleeve 14 is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet 5, one deck alumina silicate heat-preservation cotton II 15 and one deck steel plate 6 on one deck alumina silicate heat-preservation cotton I 4, one deck, lower floor's attemperator is made up of mica sheet 13 under one deck alumina silicate heat-preservation cotton III 10, one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve 14 is for being enclosed within outside graphite jig 7, the upper mica sheet 5 of alumina silicate heat-preservation cotton I 4 underneath one block is for heat insulation and moulding, upper mica sheet 5 is one deck alumina silicate heat-preservation cotton II 15 below, alumina silicate heat-preservation cotton II 15 is that a block plate 6 is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III 10 from top to bottom, lower mica sheet 13, when the compacting sintering downward with hydraulic stem 1 of the upper steel thermal head 16 on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace.
Described left attemperator, right attemperator are three layers of warming plate 12, described three layers of warming plate 12 in order to reduce the volume of cavity, simultaneously for heat insulation with the external world.
Embodiment 3: as shown in Figure 1, a kind of microwave hot-press sintering furnace heat-insulated cavity, comprises attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve 14, the space that grinding tool insulation sleeve 14 is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet 5, one deck alumina silicate heat-preservation cotton II 15 and one deck steel plate 6 on one deck alumina silicate heat-preservation cotton I 4, one deck, lower floor's attemperator is made up of mica sheet 13 under one deck alumina silicate heat-preservation cotton III 10, one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve 14 is for being enclosed within outside graphite jig 7, the upper mica sheet 5 of alumina silicate heat-preservation cotton I 4 underneath one block is for heat insulation and moulding, upper mica sheet 5 is one deck alumina silicate heat-preservation cotton II 15 below, alumina silicate heat-preservation cotton II 15 is that a block plate 6 is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III 10 from top to bottom, lower mica sheet 13, when the compacting sintering downward with hydraulic stem 1 of the upper steel thermal head 16 on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace.
Described left attemperator, right attemperator are three layers of warming plate 12, described three layers of warming plate 12 in order to reduce the volume of cavity, simultaneously for heat insulation with the external world.
Described grinding tool insulation sleeve 14 is mullite material, and grinding tool insulation sleeve 14 is filled by alumina silicate heat-preservation cotton IV 11 with graphite jig 7 spacing.
Embodiment 4: as shown in Figure 1, a kind of microwave hot-press sintering furnace heat-insulated cavity, comprises attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve 14, the space that grinding tool insulation sleeve 14 is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet 5, one deck alumina silicate heat-preservation cotton II 15 and one deck steel plate 6 on one deck alumina silicate heat-preservation cotton I 4, one deck, lower floor's attemperator is made up of mica sheet 13 under one deck alumina silicate heat-preservation cotton III 10, one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve 14 is for being enclosed within outside graphite jig 7, the upper mica sheet 5 of alumina silicate heat-preservation cotton I 4 underneath one block is for heat insulation and moulding, upper mica sheet 5 is one deck alumina silicate heat-preservation cotton II 15 below, alumina silicate heat-preservation cotton II 15 is that a block plate 6 is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III 10 from top to bottom, lower mica sheet 13, when the compacting sintering downward with hydraulic stem 1 of the upper steel thermal head 16 on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I 4 directly contacts with upper steel thermal head 16, described lower mica sheet 13 directly contacts with the lower thermal head 9 on microwave hot-press sintering furnace.
Described left attemperator, right attemperator are three layers of warming plate 12, described three layers of warming plate 12 in order to reduce the volume of cavity, simultaneously for heat insulation with the external world.
Described grinding tool insulation sleeve 14 is mullite material, and grinding tool insulation sleeve 14 is filled by alumina silicate heat-preservation cotton IV 11 with graphite jig 7 spacing.
Described preincubation device, rear attemperator are one layer of heat preservation plate.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (4)
1. a microwave hot-press sintering furnace heat-insulated cavity, is characterized in that: comprise attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator, grinding tool insulation sleeve (14), the space that grinding tool insulation sleeve (14) is arranged in attemperator, lower attemperator, left attemperator, right attemperator, preincubation device, rear attemperator surround, described upper attemperator is combined by mica sheet (5), one deck alumina silicate heat-preservation cotton II (15) and one deck steel plate (6) on one deck alumina silicate heat-preservation cotton I (4), one deck, lower floor's attemperator is made up of mica sheet (13) under one deck alumina silicate heat-preservation cotton III (10), one deck, right attemperator is identical with left attemperator, position is symmetrical about described microwave hot-press sintering furnace heat-insulated cavity central axis, grinding tool insulation sleeve (14) is for being enclosed within graphite jig (7) outside, the upper mica sheet (5) of alumina silicate heat-preservation cotton I (4) underneath one block is for heat insulation and moulding, upper mica sheet (5) is one deck alumina silicate heat-preservation cotton II (15) below, alumina silicate heat-preservation cotton II (15) is that a block plate (6) is for moulding and isostasy below, lower attemperator is followed successively by alumina silicate heat-preservation cotton III (10) from top to bottom, lower mica sheet (13), when the compacting sintering downward with hydraulic stem (1) of the upper steel thermal head (16) on microwave hot-press sintering furnace, described alumina silicate heat-preservation cotton I (4) directly contacts with upper steel thermal head (16), described lower mica sheet (13) directly contacts with the lower thermal head (9) on microwave hot-press sintering furnace.
2. microwave hot-press sintering furnace heat-insulated cavity according to claim 1, it is characterized in that: described left attemperator, right attemperator are three layers of warming plate (12), described three layers of warming plate (12) in order to reduce the volume of cavity, simultaneously for heat insulation with the external world.
3. microwave hot-press sintering furnace heat-insulated cavity according to claim 1, is characterized in that: described grinding tool insulation sleeve (14) is mullite material, and grinding tool insulation sleeve (14) and graphite jig (7) spacing are filled by alumina silicate heat-preservation cotton IV (11).
4. microwave hot-press sintering furnace heat-insulated cavity according to claim 1, is characterized in that: described preincubation device, rear attemperator are one layer of heat preservation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774596.6U CN204366036U (en) | 2014-12-11 | 2014-12-11 | A kind of microwave hot-press sintering furnace heat-insulated cavity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420774596.6U CN204366036U (en) | 2014-12-11 | 2014-12-11 | A kind of microwave hot-press sintering furnace heat-insulated cavity |
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| CN204366036U true CN204366036U (en) | 2015-06-03 |
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| CN201420774596.6U Expired - Fee Related CN204366036U (en) | 2014-12-11 | 2014-12-11 | A kind of microwave hot-press sintering furnace heat-insulated cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489260A (en) * | 2018-05-31 | 2018-09-04 | 江苏星特亮科技有限公司 | A kind of hot pressed sintering device |
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2014
- 2014-12-11 CN CN201420774596.6U patent/CN204366036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489260A (en) * | 2018-05-31 | 2018-09-04 | 江苏星特亮科技有限公司 | A kind of hot pressed sintering device |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20201211 |