CN103591793B - A kind of vacuum sintering furnace - Google Patents
A kind of vacuum sintering furnace Download PDFInfo
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- CN103591793B CN103591793B CN201310533845.2A CN201310533845A CN103591793B CN 103591793 B CN103591793 B CN 103591793B CN 201310533845 A CN201310533845 A CN 201310533845A CN 103591793 B CN103591793 B CN 103591793B
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- support column
- protection screen
- heating clamber
- heat protection
- heat
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Abstract
The invention discloses a kind of vacuum sintering furnace, comprise body of heater, bell and the heating clamber be arranged in body of heater, its heating clamber periphery is provided with heat protection screen, side heat protection screen, lower heat protection screen, its upper of furnace body is provided with binder removal pipeline, bottom is provided with to be run through lower heat protection screen and is placed in heating clamber for carrying the support column of processing work, described binder removal pipeline directly inserts in described heating clamber by upper heat protection screen, the binder removal inner and outer walls of pipeline be arranged in described upper heat protection screen and heating clamber is all lined with heat-barrier material, the described support column running through lower heat protection screen comprises upper support column, lower support post, described upper support column, also heat-barrier material is provided with between lower support post, and described upper support column adopts hollow to arrange, a supporting steel plate is also provided with below described support column, described supporting steel plate offers a breach.Not only reduced the heat loss of heating clamber by the present invention, improve the uniformity of indoor temperature, also enhance the bearing capacity of support column, supporting steel plate simultaneously.
Description
Technical field
The present invention relates to high-temperature vacuum field, be specifically related to a kind of vacuum sintering furnace.
Background technology
Vacuum sintering furnace is the Equipment for Heating Processing of a kind of advanced person, the heating in vacuum of metal material and workpiece, quenching, tempering, annealing, carburizing, nitriding can be carried out, add the various heat treatment such as to quench of calming the anger, vacuum heat treatment process can make processed material and workpiece performance significantly improve, and material is fully used.And a real qualified vacuum drying oven is mainly with working vacuum degree, final vacuum, speed of exhaust ratio, furnace chamber leak rate, heating power, temperature homogeneity is as basic reference, wherein temperature uniformity is the important indicator whether vacuum drying oven is qualified, mainly can be heated in the temperature range of regulation in order to ensure pending part or raw material, its microstructure is made to be in same stage as much as possible, and prevent because non-uniform temperature causes material expansion difference and cause the problems such as part deformation, all there is heat loss in the binder removal pipeline connected due to the support column that arranges bottom existing vacuum high-temperature furnace heating chamber and burner hearth, the problem of heat insulation effect difference, thus cause heating clamber local temperature uneven, then the heat stability of vacuum drying oven heating clamber is affected, reduce the quality of production of processing parts in stove.
Summary of the invention
The object of the invention is to overcome above shortcoming, provide a kind of vacuum sintering furnace.
Technical scheme of the present invention is:
A kind of vacuum sintering furnace, comprise body of heater, bell and the heating clamber be arranged in body of heater, described heating clamber periphery is provided with heat protection screen, side heat protection screen, lower heat protection screen, described upper of furnace body is provided with binder removal pipeline, bottom is provided with to be run through described lower heat protection screen and is placed in heating clamber for carrying the support column of processing work, described binder removal pipeline directly inserts in described heating clamber by upper heat protection screen, the binder removal inner and outer walls of pipeline be arranged in described upper heat protection screen and heating clamber is all lined with heat-barrier material, the described support column running through lower heat protection screen comprises upper support column, lower support post, described upper support column, also heat-barrier material is provided with between lower support post, and described upper support column adopts hollow to arrange, a supporting steel plate is also provided with below described support column, described supporting steel plate offers a breach.
Further, being arranged on the heat-barrier material that the binder removal inner and outer walls of pipeline in described upper heat protection screen and heating clamber is lined with is insulated porcelain sleeve.
Further, the heat-barrier material arranged between described upper and lower support column is ceramic blanket.
Further, heat protection screen periphery, described side is wound with organizes coil more, and described coils connected in series of often organizing connects, and described coil is all wrapped in mica tape.
Further, described body of heater, bell are sandwich, and described interlayer is hollow.
Further, described bell is provided with pluggable temperature measuring equipment.
Further, described pluggable temperature measuring equipment comprises the thermocouple inserted in body of heater and the cylinder being arranged on thermocouple upper end.
Further, described bell offers thermometer hole, be fixedly installed an adapter in described thermometer hole, described thermocouple is arranged in described adapter by sheath, and described cylinder is fixedly connected with described adapter.
Compared with prior art, beneficial effect of the present invention is as follows:
1, decrease the heat loss of heating clamber, improve the uniformity of indoor temperature.Vacuum sintering furnace provided by the invention, comprise body of heater, bell and the heating clamber be arranged in body of heater, its heating clamber periphery is provided with heat protection screen, side heat protection screen, lower heat protection screen, in order to reduce the heat energy dissipation of heating clamber, the present invention takes measures from the following aspects, reduce the heat leakage at heating clamber edge, improve the heat stability of heating clamber, enhance stove inner support carrying capacity, 1, the present invention will run through upper heat protection screen and the binder removal inner and outer walls of pipeline be directly inserted in heating clamber is lined with one deck heat-barrier material, this heat-barrier material decreases the indoor heat that binder removal pipeline is taken away, thus make the temperature of binder removal Near Pipelines be tending towards heating clamber uniform temperature scope, 2, the support column running through lower heat protection screen is arranged to upper support column, lower support post by the present invention, its upper support column adopts hollow to arrange, and be also provided with heat-barrier material between upper and lower support column, thus the heat transfer area of support column had both been decreased, also the heat having interrupted heating clamber is sent to lower support post and dispels the heat, reduce the heat of lower support post, improve its bearing capacity, 3, the supporting steel plate below support column has a breach, avoid electromagnetic induction and make electric current in gripper shoe form large closed loop, decrease caloric value, reduce support column, gripper shoe temperature, improve the bearing capacity that both are common.
2, structural design of the present invention is simple, and heat insulating effect is good, workable, can be applied at the homogeneous temperature design aspect of vacuum high temperature furnace widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present embodiment.
Fig. 2 is the structural representation of supporting steel plate in the present embodiment;
Fig. 3 is the structural scheme of mechanism of temperature measuring equipment in the present embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Detailed description of the invention:
Composition graphs 1, a kind of vacuum sintering furnace shown in Fig. 2, comprise body of heater 1, bell 2 and the heating clamber 3 be arranged in body of heater 1, its heating clamber 3 periphery is provided with heat protection screen 4, side heat protection screen 5, lower heat protection screen 6, its body of heater 1 top is provided with binder removal pipeline 7, bottom is provided with to be run through lower heat protection screen 6 and is placed in heating clamber 3 for carrying the support column of processing work, its binder removal pipeline 7 is directly inserted in heating clamber 3 by upper heat protection screen 4, binder removal pipeline 7 inside and outside wall be arranged in heat protection screen 4 and heating clamber 3 is all lined with heat-barrier material 11, its support column running through lower heat protection screen 6 comprises upper support column 9, lower support post 10, its upper support column 9, also heat-barrier material 11 is provided with between lower support post 10, and upper support column 9 adopts hollow to arrange, a supporting steel plate 12 is also provided with below its support column, its supporting steel plate 12 offers a breach 13.
In the present embodiment, be arranged on the heat-barrier material 11 be lined with inside and outside the binder removal pipeline 7 in heat protection screen 4 and heating clamber 3 and preferably adopt insulated porcelain sleeve, which reduce the indoor heat that binder removal system is taken away, thus making the temperature near binder removal pipeline 7 will be tending towards within the scope of heating clamber 3 uniform temperature, its binder removal pipeline 7 is provided with sealing ring with heating clamber 3 contact surface; In addition, support column is arranged to upper and lower support column 9,10 by the present embodiment, its upper support column 9 adopts hollow design, and be provided with ceramic blanket between support column 9,10 up and down, decrease the heat transfer area of support column, the heat also having interrupted heating clamber 3 is sent to lower support post 10 and dispels the heat, reduce the heat of lower support post, improve its bearing capacity, in order to better fix upper support column, its lower support post 10 upper surface is designed to groove-like.
Be illustrated in figure 2 the structural representation of supporting steel plate in the present embodiment, its supporting steel plate 12 has a breach 13, on supporting steel plate 12, large current closed-loop is formed for avoiding electromagnetic induction, decrease caloric value, reduce support column, supporting steel plate 12 temperature, improve compression strength during both duties.
The advantages such as in the present embodiment, heating clamber 5 periphery is wound with organizes coil more, and it is often organized coils connected in series and connects, and described coil is all wrapped in mica tape, adopts mica tape to arrange, insulate, have long service life compared to existing castable ceramic, with low cost, easy to maintenance.
In the present embodiment, body of heater 1, bell 2 are sandwich, and its interlayer is logical circulation water cooling structure in being.
In order to measure the high-temperature temperature in vacuum sintering furnace comparatively easily, its bell 2 is provided with dismountable temperature measuring equipment, shown in composition graphs 3, this temperature measuring equipment comprises the thermocouple 8 inserted in body of heater 1 and the cylinder 14 being arranged on thermocouple 8 upper end, its bell 2 offers thermometer hole, be fixedly installed an adapter 16 in its thermometer hole, its thermocouple 8 is arranged in adapter 16 by sheath 15, and its cylinder 14 is fixedly connected with adapter 16.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments, equivalent replacement etc. done in protection scope of the present invention, all should be included within protection scope of the present invention.
Claims (8)
1. a vacuum sintering furnace, comprise body of heater, bell and the heating clamber be arranged in body of heater, described heating clamber periphery is provided with heat protection screen, side heat protection screen, lower heat protection screen, described upper of furnace body is provided with binder removal pipeline, bottom is provided with to be run through described lower heat protection screen and is placed in heating clamber for carrying the support column of processing work, it is characterized in that, described binder removal pipeline directly inserts in described heating clamber by upper heat protection screen, the binder removal inner and outer walls of pipeline be arranged in described upper heat protection screen and heating clamber is all lined with heat-barrier material, described support column comprises upper support column, lower support post, described upper support column, also heat-barrier material is provided with between lower support post, and described upper support column adopts hollow to arrange, a supporting steel plate is also provided with below described support column, described supporting steel plate offers a breach.
2. a kind of vacuum sintering furnace according to claim 1, is characterized in that, being arranged on the heat-barrier material that the binder removal inner and outer walls of pipeline in described upper heat protection screen and heating clamber is lined with is insulated porcelain sleeve.
3. a kind of vacuum sintering furnace according to claim 1, is characterized in that, the heat-barrier material arranged between described upper and lower support column is ceramic blanket.
4. a kind of vacuum sintering furnace according to claim 1, is characterized in that, heat protection screen periphery, described side is wound with organizes coil more, and described coils connected in series of often organizing connects, and described coil is all wrapped in mica tape.
5. a kind of vacuum sintering furnace according to claim 1, is characterized in that, described body of heater, bell are sandwich, and described interlayer is logical circulation water cooling structure in being.
6. according to a kind of vacuum sintering furnace in claim 1-5 described in any one, it is characterized in that, described bell is provided with pluggable temperature measuring equipment.
7. a kind of vacuum sintering furnace according to claim 6, is characterized in that, described pluggable temperature measuring equipment comprises the thermocouple inserted in body of heater and the cylinder being arranged on thermocouple upper end.
8. a kind of vacuum sintering furnace according to claim 7, it is characterized in that, described bell offers thermometer hole, in described thermometer hole, be fixedly installed an adapter, described thermocouple is arranged in described adapter by sheath, and described cylinder is fixedly connected with described adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310533845.2A CN103591793B (en) | 2013-11-01 | 2013-11-01 | A kind of vacuum sintering furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310533845.2A CN103591793B (en) | 2013-11-01 | 2013-11-01 | A kind of vacuum sintering furnace |
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| CN103591793A CN103591793A (en) | 2014-02-19 |
| CN103591793B true CN103591793B (en) | 2015-11-25 |
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| CN201310533845.2A Active CN103591793B (en) | 2013-11-01 | 2013-11-01 | A kind of vacuum sintering furnace |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515395A (en) * | 2014-12-25 | 2015-04-15 | 湖南顶立科技有限公司 | High-temperature furnace bed supporting device |
| CN106017071B (en) * | 2016-05-31 | 2018-04-10 | 成都西沃克真空科技有限公司 | A kind of vacuum drying oven |
| CN113959222B (en) * | 2021-11-26 | 2022-10-28 | 中国原子能科学研究院 | High temperature furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382388A (en) * | 2008-09-17 | 2009-03-11 | 湖南顶立科技有限公司 | Fast cooling method for intermediate frequency induction sintering furnace |
| JP2011021850A (en) * | 2009-07-17 | 2011-02-03 | Tounetsu Co Ltd | One chamber type vacuum furnace |
| CN102162125A (en) * | 2011-05-12 | 2011-08-24 | 石金精密科技（深圳）有限公司 | Thermal field structure of polysilicon ingot casting furnace |
| CN102967140A (en) * | 2012-12-21 | 2013-03-13 | 湖南阳东微波科技有限公司 | Integral microwave vacuum sintering furnace |
| CN203657433U (en) * | 2013-11-01 | 2014-06-18 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
-
2013
- 2013-11-01 CN CN201310533845.2A patent/CN103591793B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382388A (en) * | 2008-09-17 | 2009-03-11 | 湖南顶立科技有限公司 | Fast cooling method for intermediate frequency induction sintering furnace |
| JP2011021850A (en) * | 2009-07-17 | 2011-02-03 | Tounetsu Co Ltd | One chamber type vacuum furnace |
| CN102162125A (en) * | 2011-05-12 | 2011-08-24 | 石金精密科技（深圳）有限公司 | Thermal field structure of polysilicon ingot casting furnace |
| CN102967140A (en) * | 2012-12-21 | 2013-03-13 | 湖南阳东微波科技有限公司 | Integral microwave vacuum sintering furnace |
| CN203657433U (en) * | 2013-11-01 | 2014-06-18 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
Non-Patent Citations (1)
| Title |
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| 真空处理炉炉温均匀性探讨;易光;《材料工程》;19970430(第4期);第14-17页 * |
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Address after: 410000 in Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road, west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: Changsha County City, Hunan province 410000 Changsha Muyun Town Industrial Park Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: 410000 in Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road, west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: Hunan Dingli Technology Co.,Ltd. Address before: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |