CN105132661A - Low-temperature continuous heating furnace - Google Patents
Low-temperature continuous heating furnace Download PDFInfo
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- CN105132661A CN105132661A CN201510617258.0A CN201510617258A CN105132661A CN 105132661 A CN105132661 A CN 105132661A CN 201510617258 A CN201510617258 A CN 201510617258A CN 105132661 A CN105132661 A CN 105132661A
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Abstract
The invention provides a low-temperature continuous heating furnace. The low-temperature continuous heating furnace comprises a furnace inlet, a furnace outlet and a furnace chamber communicated with the furnace inlet and the furnace outlet. A heat insulation part extending from the furnace inlet to the furnace outlet is arranged in the furnace chamber and divides the furnace chamber into an upper layer and a lower layer. An electric heater and a circulating fan enabling air in the upper layer and the lower layer of the furnace chamber to flow in a circulating mode are arranged in the upper layer of the furnace chamber. A conveying mechanism conveying parts from the furnace inlet to the furnace outlet is arranged in the lower layer of the furnace chamber. According to the invention, the heat insulation part divides the furnace chamber into the upper layer and the lower layer; heated parts pass through the lower layer of the furnace chamber; the electric heater is arranged in the upper layer of the furnace chamber, the circulating fan conveys heated air to the lower layer of the furnace chamber so that the air temperature in the lower layer of the furnace chamber can be uniform and the parts can be uniformly heated by the heated air; due to the heat insulation part, the parts will be protected against radiation heating of the electric heater.
Description
Technical field
The present invention relates to auto parts heating tempering equipment, particularly relate to a kind of low temperature continuous furnace.
Background technology
Low temperature continuous furnace is as the key equipment of auto parts tempering heat treatment, and various part requires high to the temperature homogeneity of tempering heating and thermal insulation and the constant of furnace temperature, and it directly affects the internal performance of auto parts.Truck drive shaft is the part of an outbalance, truck drive shaft need transmit the moment of torsion of high speed rotating when using, high-speed friction is born in using, in order to extend the work-ing life of transmission shaft, generally Q-tempering process be to carry out to piece surface, surface strength and the wear resistance of transmission shaft improved by Q-tempering process.
And existing its structure of low temperature continuous furnace as shown in Figure 1, comprise into fire door 1, plug for outlet 2 and furnace chamber 3, transport sector 9, the as a whole formula heating space of furnace chamber 3, electric heater 6, two blower fans 4, part 5 and temp measuring systems are all in same space, and part is subject to the radiation heating of uneven warm air beating and electric heater 6, and air cycle is poor, and two blower fans, 4 temperature difference are comparatively large, the Heating temperature fluctuation of part in furnace chamber is larger.Due to the requirement of automotive light weight technology, in order to extend the work-ing life of transmission shaft, need the hardness fluctuations after tempering heat treatment to reduce further, and it is less to need to control tempering temperature fluctuation range during tempering.Therefore, existing low temperature continuous furnace can not meet the high quality requirement of producing truck drive shaft.
Therefore, the low temperature continuous furnace needing a kind of tempering temperature to fluctuate little.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of low temperature continuous furnace low temperature continuous furnace, to fluctuate large problem for solving tempering temperature in prior art.
For achieving the above object and other relevant objects, the invention provides a kind of low temperature continuous furnace, comprise into fire door, plug for outlet and the furnace chamber that is communicated with into fire door and plug for outlet, the thermal insulation barriers from entering fire door and extending to plug for outlet is provided with in described furnace chamber, furnace chamber is divided into communicate two-layer up and down by described thermal insulation barriers, be provided with electric heater in the furnace chamber of upper strata and make the recirculation blower of air circulation flow in upper strata furnace chamber and lower floor's furnace chamber, be provided with part in lower floor's furnace chamber from the transport sector entering fire door and be transported to plug for outlet.
Preferably, be also provided with thermopair in described lower floor furnace chamber, thermopair, described electric heater are all connected with the temperature controller of outside.
Preferably, described recirculation blower is centrifugal blower.
Preferably, described transport sector is made up of rotating sprocket and chain band.
Preferably, described upper strata cavity and lower floor's cavity are respectively at plug for outlet with enter fire door place and communicate, and the ventilation opening at plug for outlet place is that air flows to the air port of upper strata cavity from lower floor's cavity, and the ventilation opening entering fire door place is the air port of air from upper chamber direction of flow lower floor cavity.
As mentioned above, low temperature continuous furnace of the present invention, there is following beneficial effect: adopt thermal insulation barriers to be divided into by furnace chamber two-layer up and down, part to be heated is passed by from lower floor's furnace chamber, and electric heater is arranged on upper strata furnace chamber, by recirculation blower by heating after air transmission to lower floor's furnace chamber, make the air themperature uniformity in lower floor's furnace chamber, part is made to heat by heating even air completely like this, and the setting of thermal insulation barriers, make part can not be subject to the radiation heating of electric heater.
Accompanying drawing explanation
Fig. 1 is shown as low temperature continuous furnace schematic diagram of the prior art.
Fig. 2 is shown as low temperature continuous furnace schematic diagram of the present invention.
Element numbers explanation
1 enters fire door
2 plug for outlet
3 furnace chambers
31 upper strata furnace chambers
32 lower floor's furnace chambers
4 blower fans
5 parts
6 electric heaters
7 thermal insulation barriers
8 recirculation blowers
9 transport sectors
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 2.Notice, structure, ratio, size etc. that this specification sheets institute accompanying drawings illustrates, content all only in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification sheets as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 2, the invention provides a kind of low temperature continuous furnace, comprise into fire door 1, plug for outlet 2 and the furnace chamber 3 that is communicated with into fire door 1 and plug for outlet 2, the thermal insulation barriers 7 from entering fire door 1 and extending to plug for outlet 2 is provided with in described furnace chamber 3, furnace chamber 3 is divided into communicate two-layer up and down by described thermal insulation barriers 7, be provided with electric heater 6 in upper strata furnace chamber 31 and make the recirculation blower 8 of air circulation flow in upper strata furnace chamber 31 and lower floor's furnace chamber 32, be provided with part 5 in lower floor's furnace chamber 32 from the transport sector 9 entering fire door 1 and be transported to plug for outlet 2.It is two-layer up and down that the present invention adopts thermal insulation barriers to be divided into by furnace chamber, and electric heater is placed in upper strata furnace chamber, and part is from lower floor's furnace chamber heating, the air themperature of lower floor's furnace chamber is consistent, ensure that part to add heat fluctuation little, it also avoid the radiation heating of electric heater to part.
Also be provided with thermopair in above-mentioned lower floor furnace chamber 32, thermopair, electric heater 6 are all connected with the temperature controller of outside, the tempering temperature that can need according to part like this by thermopair by signal feedback to upper strata furnace chamber, control electric heater 6 and add the temperature of warm air.
Above-mentioned recirculation blower 8 is centrifugal blower, it is arranged near plug for outlet 2 place, upper strata cavity 31 and lower floor's cavity 32 are respectively at plug for outlet 2 with enter fire door 1 place and communicate, the ventilation opening at plug for outlet 2 place is that air flows to the air port of upper strata cavity 31 from lower floor's cavity 32, the ventilation opening entering fire door 1 place is that air flows to the air port of lower floor's cavity 32 from upper strata cavity 31, centrifugal blower is by the freezing air suction upper strata furnace chamber in lower floor's furnace chamber 32 at plug for outlet 2 place, by electric heater 6 by atmosphere temperature rising, and then blown on the part 5 entering fire door 1 by rising furnace chamber 31.
Above-mentioned transport sector 9 is made up of rotating sprocket and chain band, and part is placed on chain band, moves towards plug for outlet by entering fire door, and by the warm air beating part in lower floor's furnace chamber, homogeneous heating is consistent.
In sum, low temperature continuous furnace of the present invention, makes heat parts homogeneous temperature, and part and electric heater separate, part radiationless heating during heating; Improve the temperature uniformity of vertical and horizontal in whole furnace chamber, improve the tempering quality of part, the requirement of part to the requirement of thermal treatment high quality and continuous and stable production in enormous quantities can be met.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (5)
1. a low temperature continuous furnace, comprise into fire door (1), plug for outlet (2) and the furnace chamber (3) be communicated with into fire door and plug for outlet, it is characterized in that, the thermal insulation barriers (7) from entering fire door (1) and extending to plug for outlet (2) is provided with in described furnace chamber (3), furnace chamber (3) is divided into communicate two-layer up and down by described thermal insulation barriers (7), be provided with electric heater (6) in upper strata furnace chamber (31) and make the recirculation blower (8) of air circulation flow in upper strata furnace chamber and lower floor's furnace chamber, be provided with part (5) in lower floor's furnace chamber (32) from the transport sector (9) entering fire door (1) and be transported to plug for outlet (2).
2. low temperature continuous furnace according to claim 1, is characterized in that: be also provided with thermopair in described lower floor furnace chamber (32), and thermopair, described electric heater (6) are all connected with the temperature controller of outside.
3. low temperature continuous furnace according to claim 1, is characterized in that: described recirculation blower (8) is centrifugal blower.
4. low temperature continuous furnace according to claim 1, is characterized in that: described transport sector (9) is made up of rotating sprocket and chain band.
5. low temperature continuous furnace according to claim 1, it is characterized in that: described upper strata cavity (31) and lower floor's cavity (32) are respectively at plug for outlet (2) with enter fire door (1) place and communicate, the ventilation opening at plug for outlet (2) place is that air flows to the air port of upper strata cavity (31) from lower floor's cavity (32), and the ventilation opening entering fire door (1) place is that air flows to the air port of lower floor's cavity (32) from upper strata cavity (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617258.0A CN105132661A (en) | 2015-09-24 | 2015-09-24 | Low-temperature continuous heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617258.0A CN105132661A (en) | 2015-09-24 | 2015-09-24 | Low-temperature continuous heating furnace |
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| CN105132661A true CN105132661A (en) | 2015-12-09 |
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| CN201510617258.0A Pending CN105132661A (en) | 2015-09-24 | 2015-09-24 | Low-temperature continuous heating furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618664A (en) * | 2016-02-15 | 2016-06-01 | 刘兴军 | Automatic production line for forging of magnesium alloy automobile hubs |
| CN106191414A (en) * | 2016-08-30 | 2016-12-07 | 江苏丰东热技术股份有限公司 | A kind of net belt type built-in Cycling hot-blast heating tempering furnace and the method for heating thereof |
| CN106755752A (en) * | 2016-11-14 | 2017-05-31 | 广东长盈精密技术有限公司 | A kind of steel part heat treatment method and annealing device |
| CN106862470A (en) * | 2017-04-21 | 2017-06-20 | 陈华 | A kind of aluminium alloy wheel hub of vehicle Forge Heating device |
| CN106969632A (en) * | 2017-05-03 | 2017-07-21 | 苏州普热斯勒先进成型技术有限公司 | A kind of multiple-layer box type Hybrid Heating stove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114515A (en) * | 1983-11-25 | 1985-06-21 | Kawasaki Steel Corp | Heating furnace for billet |
| CN202139289U (en) * | 2011-07-02 | 2012-02-08 | 云南省玉溪市红塔铝型材厂 | Aluminum profile both-way hot air aging furnace |
| CN202509107U (en) * | 2012-04-18 | 2012-10-31 | 长春一汽嘉信热处理科技有限公司 | Low-temperature tempering furnace |
| CN203007339U (en) * | 2012-12-19 | 2013-06-19 | 烟台金光工具有限公司 | Continuous tempering furnace for saw blades |
| CN204058543U (en) * | 2014-09-19 | 2014-12-31 | 苏州工业园区久禾工业炉有限公司 | Low temp. electric process furnace |
-
2015
- 2015-09-24 CN CN201510617258.0A patent/CN105132661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114515A (en) * | 1983-11-25 | 1985-06-21 | Kawasaki Steel Corp | Heating furnace for billet |
| CN202139289U (en) * | 2011-07-02 | 2012-02-08 | 云南省玉溪市红塔铝型材厂 | Aluminum profile both-way hot air aging furnace |
| CN202509107U (en) * | 2012-04-18 | 2012-10-31 | 长春一汽嘉信热处理科技有限公司 | Low-temperature tempering furnace |
| CN203007339U (en) * | 2012-12-19 | 2013-06-19 | 烟台金光工具有限公司 | Continuous tempering furnace for saw blades |
| CN204058543U (en) * | 2014-09-19 | 2014-12-31 | 苏州工业园区久禾工业炉有限公司 | Low temp. electric process furnace |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618664A (en) * | 2016-02-15 | 2016-06-01 | 刘兴军 | Automatic production line for forging of magnesium alloy automobile hubs |
| CN106191414A (en) * | 2016-08-30 | 2016-12-07 | 江苏丰东热技术股份有限公司 | A kind of net belt type built-in Cycling hot-blast heating tempering furnace and the method for heating thereof |
| CN106755752A (en) * | 2016-11-14 | 2017-05-31 | 广东长盈精密技术有限公司 | A kind of steel part heat treatment method and annealing device |
| CN106862470A (en) * | 2017-04-21 | 2017-06-20 | 陈华 | A kind of aluminium alloy wheel hub of vehicle Forge Heating device |
| CN106969632A (en) * | 2017-05-03 | 2017-07-21 | 苏州普热斯勒先进成型技术有限公司 | A kind of multiple-layer box type Hybrid Heating stove |
| CN106969632B (en) * | 2017-05-03 | 2019-01-29 | 苏州普热斯勒先进成型技术有限公司 | A kind of multiple-layer box type Hybrid Heating furnace |
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Application publication date: 20151209 |
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| RJ01 | Rejection of invention patent application after publication |