CN203657433U - Vacuum sintering furnace - Google Patents
Vacuum sintering furnace Download PDFInfo
- Publication number
- CN203657433U CN203657433U CN201320685109.4U CN201320685109U CN203657433U CN 203657433 U CN203657433 U CN 203657433U CN 201320685109 U CN201320685109 U CN 201320685109U CN 203657433 U CN203657433 U CN 203657433U
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- heat
- protection screen
- support column
- vacuum sintering
- sintering furnace
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a vacuum sintering furnace which comprises a furnace body, a furnace cover and a heating chamber formed in the furnace body, wherein an upper heat-preservation screen, side heat-preservation screens and a lower heat-preservation screen are arranged on the periphery of the heating chamber; a rubber discharge pipeline is arranged at the upper part of the furnace body, and support pillars for bearing machined workpieces are arranged at the lower part of the furnace body, penetrate through the lower heat-preservation screen, and are arranged in the heating chamber; the rubber discharge pipeline is directly inserted into the heating chamber through the upper heat-preservation screen; each of the inner and outer walls of the rubber discharge pipeline in the upper heat-preservation screen and the heating chamber is lined with a heat insulation material; each support pillar penetrating through the lower heat-preservation screen comprises an upper support pillar and a lower support pillar; the heat insulation material is also arranged between the upper and lower support pillars; the upper support pillars are hollow; a support steel plate is also arranged below the support pillars, and is provided with a nick. According to the vacuum sintering furnace, the heat loss of the heating chamber is reduced, the uniformity of temperature in the chamber is improved, and the bearing capacity of the support pillars and the support steel plate is also enhanced.
Description
Technical field
The utility model relates to high-temperature vacuum field, is specifically related to a kind of vacuum sintering furnace.
Background technology
Vacuum sintering furnace is a kind of advanced person's Equipment for Heating Processing, can carry out metal material and workpiece heating in vacuum, quenching, tempering, annealing, carburizing, nitriding, add the various heat treatment such as quench of calming the anger, vacuum heat 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 in the temperature range of regulation, be heated in order to ensure pending part or raw material, make its microstructure as much as possible in same stage, and prevent from causing the problems such as part deformation because non-uniform temperature causes material differences in expansion, all there is heat loss in the binder removal pipeline connecting due to support column and the burner hearth of the bottom setting of existing vacuum high-temperature furnace heating chamber, the problem that heat insulation effect is poor, thereby cause heating clamber local temperature inhomogeneous, then affect the heat stability of vacuum drying oven heating clamber, reduce the quality of production of processing parts in stove.
Utility model content
The purpose of this utility model is to overcome above shortcoming, and a kind of vacuum sintering furnace is provided.
The technical solution of the utility model is:
A kind of vacuum sintering furnace, comprise body of heater, bell and be arranged on the heating clamber 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 device for cleaning pipeline is crossed heat protection screen and is directly inserted in described heating clamber, the binder removal inner and outer walls of pipeline being arranged in described upper heat protection screen and heating clamber is all lined with heat-barrier material, the described support column that runs through lower heat protection screen comprises upper support column, lower support post, described upper support column, between lower support post, be also provided with heat-barrier material, and described upper support column adopts hollow setting, described support column below is also provided with a circular support steel plate, 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 arranging between described upper and lower support column is ceramic blanket.
Further, described side heat protection screen periphery is wound with many group coils, and described every group of coil is connected in series, and described coil is all wrapped in mica tape.
Further, described body of heater, bell are sandwich, and described interlayer is hollow.
Further, on described bell, be provided with pluggable temperature measuring equipment.
Further, described pluggable temperature measuring equipment comprises the cylinder that inserts the thermocouple in body of heater and be arranged on thermocouple upper end.
Further, on described bell, offer 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, the beneficial effects of the utility model are as follows:
1, reduce the heat loss of heating clamber, improved the uniformity of indoor temperature.The vacuum sintering furnace that the utility model provides, comprise body of heater, bell and be arranged on the heating clamber 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 utility model is taken measures from the following aspects, reduce the heat leakage at heating clamber edge, improve the heat stability of heating clamber, strengthen stove inner support carrying capacity, 1, the binder removal inner and outer walls of pipeline that runs through upper heat protection screen and be directly inserted in heating clamber is lined with one deck heat-barrier material by the utility model, this heat-barrier material has reduced the indoor heat that binder removal pipeline is taken away, thereby the temperature that makes binder removal Near Pipelines is tending towards heating clamber uniform temperature scope, 2, the support column that runs through lower heat protection screen is arranged to upper support column, lower support post by the utility model, its upper support column adopts hollow setting, and between upper and lower support column, be also provided with heat-barrier material, thereby both reduced the heat transfer area of support column, also the heat that has interrupted heating clamber is sent to lower support post and dispels the heat, the heat that has reduced lower support post, has improved its bearing capacity, 3, on the supporting steel plate of support column below, have a breach, avoided electromagnetic induction to make electric current in gripper shoe form large closed loop, reduced caloric value, reduced support column, gripper shoe temperature, improved both common bearing capacitys.
2, the utility model structural design is simple, and heat insulating effect is good, workable, can aspect the temperature uniform Design of vacuum high temperature furnace, be applied widely.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Detailed description of the invention:
In conjunction with Fig. 1, a kind of vacuum sintering furnace shown in Fig. 2, comprise body of heater 1, bell 2 and be arranged on the heating clamber 3 in body of heater 1, its heating clamber 3 peripheries are 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 directly inserts in heating clamber 3 by upper heat protection screen 4, binder removal pipeline 7 inside and outside walls that are arranged in heat protection screen 4 and heating clamber 3 are all lined with heat-barrier material 11, its support column that runs through lower heat protection screen 6 comprises upper support column 9, lower support post 10, its upper support column 9, between lower support post 10, be also provided with heat-barrier material 11, and upper support column 9 adopts hollow setting, its support column below is also provided with a supporting steel plate 12, its supporting steel plate 12 offers a breach 13.
In the present embodiment, be arranged on the heat-barrier material 11 being 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, it has reduced the indoor heat that binder removal system is taken away, thereby near temperature binder removal pipeline 7 will be tending towards within the scope of heating clamber 3 uniform temperatures, and its binder removal pipeline 7 is provided with sealing ring with heating clamber 3 contact-making surfaces; 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 between upper and lower support column 9,10, be provided with ceramic blanket, reduced the heat transfer area of support column, the heat that has also interrupted heating clamber 3 is sent to lower support post 10 and dispels the heat, reduce the heat of lower support post, improved its bearing capacity, for better fixing upper support column, its lower support post 10 upper surfaces are designed to groove shape.
Be illustrated in figure 2 the structural representation of supporting steel plate in the present embodiment, on its supporting steel plate 12, have a breach 13, for avoiding electromagnetic induction to form large current closed-loop on supporting steel plate 12, reduce caloric value, support column, supporting steel plate 12 temperature are reduced, the compression strength while having improved both duties.
The advantages such as in the present embodiment, heating clamber 5 peripheries are wound with many group coils, and its every group of coil is connected in series, and described coil is all wrapped in mica tape, adopts mica tape setting, compared to existing castable ceramic insulation, have long service life, 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 comparatively easily the high-temperature temperature in vacuum sintering furnace, on its bell 2, be provided with dismountable temperature measuring equipment, shown in Fig. 3, this temperature measuring equipment comprises the thermocouple 8 inserting in body of heater 1 and the cylinder 14 that is arranged on thermocouple 8 upper ends, on its bell 2, offer thermometer hole, in its thermometer hole, be fixedly installed an adapter 16, its thermocouple 8 is arranged on and is taken in 16 by sheath 15, and its cylinder 14 is fixedly connected with adapter 16.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing, be equal to replacement etc., within all should being included in protection domain of the present utility model in protection domain of the present utility model.
Claims (8)
1. a vacuum sintering furnace, comprise body of heater, bell and be arranged on the heating clamber 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 device for cleaning pipeline is crossed heat protection screen and is directly inserted in described heating clamber, the binder removal inner and outer walls of pipeline being arranged in described upper heat protection screen and heating clamber is all lined with heat-barrier material, the described support column that runs through lower heat protection screen comprises upper support column, lower support post, described upper support column, between lower support post, be also provided with heat-barrier material, and described upper support column adopts hollow setting, described support column below is also provided with a supporting steel plate, 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 arranging 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, described side heat protection screen periphery is wound with many group coils, and described every group of coil is connected in series, 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 hollow.
6. according to a kind of vacuum sintering furnace described in any one in claim 1-5, it is characterized in that, on described bell, be 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 cylinder that inserts the thermocouple in body of heater and be arranged on thermocouple upper end.
8. a kind of vacuum sintering furnace according to claim 7, it is characterized in that, on described bell, offer 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 |
|---|---|---|---|
| CN201320685109.4U CN203657433U (en) | 2013-11-01 | 2013-11-01 | Vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685109.4U CN203657433U (en) | 2013-11-01 | 2013-11-01 | Vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657433U true CN203657433U (en) | 2014-06-18 |
Family
ID=50923812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685109.4U Withdrawn - After Issue CN203657433U (en) | 2013-11-01 | 2013-11-01 | Vacuum sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657433U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591793A (en) * | 2013-11-01 | 2014-02-19 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
| CN104792152A (en) * | 2015-04-29 | 2015-07-22 | 宁夏昇力恒真空设备有限公司 | High-temperature vacuum sintering furnace with automatic thermocouple plugging and unplugging device |
| CN105803382A (en) * | 2016-05-17 | 2016-07-27 | 山东国晶新材料有限公司 | Carburizing furnace for preventing thermocouple from being carburized and application |
-
2013
- 2013-11-01 CN CN201320685109.4U patent/CN203657433U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591793A (en) * | 2013-11-01 | 2014-02-19 | 湖南顶立科技有限公司 | Vacuum sintering furnace |
| CN103591793B (en) * | 2013-11-01 | 2015-11-25 | 湖南顶立科技有限公司 | A kind of vacuum sintering furnace |
| CN104792152A (en) * | 2015-04-29 | 2015-07-22 | 宁夏昇力恒真空设备有限公司 | High-temperature vacuum sintering furnace with automatic thermocouple plugging and unplugging device |
| CN104792152B (en) * | 2015-04-29 | 2017-02-22 | 宁夏昇力恒真空设备有限公司 | High-temperature vacuum sintering furnace with automatic thermocouple plugging and unplugging device |
| CN105803382A (en) * | 2016-05-17 | 2016-07-27 | 山东国晶新材料有限公司 | Carburizing furnace for preventing thermocouple from being carburized and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |