CN105400934A - Vertical type hardening furnace - Google Patents
Vertical type hardening furnace Download PDFInfo
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- CN105400934A CN105400934A CN201510817019.XA CN201510817019A CN105400934A CN 105400934 A CN105400934 A CN 105400934A CN 201510817019 A CN201510817019 A CN 201510817019A CN 105400934 A CN105400934 A CN 105400934A
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- heater
- furnace
- alumina ceramic
- ceramic tube
- block
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Abstract
The invention relates to a vertical type hardening furnace. The vertical type hardening furnace comprises a machine base and a furnace body vertically arranged on the machine base; a furnace cover with the vacuum interior is arranged at the upper end of the furnace body, and a heat insulation block capable of outwards moving is arranged at the lower end, and a horizontally-arranged stopping rod and a supporting block which is semicircular in cross section and is arranged on one side of the stopping rod are further arranged in the furnace body; the stopping rod is 3 mm to 5 mm higher than the upper end face of the supporting block; two supporting rods are arranged at the bottom of the furnace cover, the head of one supporting rod is connected with the circle center of the supporting block, and the head of the other supporting rod is connected with one end of the supporting block; and a through hole communicated with the furnace body is formed in the middle portion of the machine base, and a hardening pool with hardening media is arranged below the machine base. By means of the vertical type hardening furnace, a material sample can rapidly fall into the hardening pool, the exposing time of the sample in air is reduced, the sample is prevented from being oxidized, and therefore the hardening effect is guaranteed; and hardening can be completed without the help of an external tool.
Description
Technical field
The present invention relates to Field of Heat-treatment, refer in particular to a kind of upright quenching furnace.
Background technology
Tubular oven is the heating installation that laboratory is commonly used, normally use an alumina ceramic tube horizontal positioned, wherein the middle portion of alumina ceramic tube is positioned at heating zone, two ends use lightweight refractory heat insulation respectively, when specimen material quenches, first to close furnace power, specimen material be shifted or moved to onto one end from the centre of alumina ceramic tube and be put into manual and be equipped with the quenching bath of quenchant, and will first take the heat insulation be placed in alumina ceramic tube away before taking out specimen material; Because alumina ceramic tube is longer and be again high temperature by the specimen material heated, so the time that material sample takes out in tubular oven is longer, material sample is lowered the temperature more in this process, easily affects quenching effect, and is taken out in tubular oven by material sample by hand, easy scald, for this reason, we have developed a kind of upright quenching furnace, can be fallen in quenching bath by material sample fast and ensure quenching effect, and it is simple to operate, safe and convenient to use.
Summary of the invention
The present invention seeks to provide a kind of upright quenching furnace to overcome the deficiencies in the prior art, fast material sample can be fallen in quenching bath and ensureing quenching effect, and simple to operate, safe and convenient to use.
For achieving the above object, the technical solution used in the present invention is: a kind of upright quenching furnace, the body of heater comprising support and be vertically arranged on support; The upper end of described body of heater is provided with the inner bell in vacuum, and lower end is provided with can the insulation block of outside movement, and is also provided with the pin of horizontal positioned and cross section semicircular in shape in body of heater and is arranged on the back-up block of pin side; Described pin is than the upper surface height 3-5mm of back-up block; The bottom of described bell is provided with two support bars, and wherein the head of a support bar is connected with the center of circle of back-up block, and the head of another root support bar is connected with one end of back-up block; The middle part of described support is provided with the through hole communicated with body of heater, and below is provided with the quenching bath that quenchant is housed.
Preferably, described body of heater comprises alumina ceramic tube, thermal insulation layer and the furnace shell vertically placed from inside to outside; Alumina ceramic tube and thermal insulation layer are fixed on support by described furnace shell; The surface of described alumina ceramic tube is at least provided with the spiral slot that is wound with stove silk, and is also provided with the thermopair of measuring tempeature in pipe; The feeder ear of described stove silk and the signal end of thermopair are all fixed in sealing connection that furnace shell is arranged through thermal insulation layer and furnace shell; The measuring junction of described thermopair is arranged on the opposite side of pin, and the measuring junction of thermopair is higher than the upper surface of pin; The inherent alumina ceramic tube of described body of heater is provided with in below can the insulation block of outside movement.
Preferably, described sealing connection is by high-temperature insulation resin stationary furnace silk and thermopair.
Preferably, described bell comprises the T-shaped and inner lid shell in vacuum in cross section; Described lid shell is arranged on the upper end of body of heater, and lower end is arranged in alumina ceramic tube; The upper end of described lid shell is provided with the escape pipe that is stretched into alumina ceramic tube upper end; The outer end of described insulation block is provided with the inlet pipe that alumina ceramic tube lower end is stretched in one end.
Preferably, the centre of described lid shell and the outer end of insulation block are respectively provided with handle and draw ring.
Preferably, the both sides, upper end of described lid shell are respectively arranged with briquetting.
Preferably, high temperature resistant packing ring is provided with between described lid shell and furnace shell.
Preferably, the side of described lid shell is provided with Vacuum exhaust tube; Described Vacuum exhaust tube is also provided with the valve controlling conducting or cut-off.
Preferably, described support comprises the back up pad of horizontal positioned and the feet be arranged on each angle of back up pad; Described body of heater is by screw or be welded and fixed on the supporting plate; The middle part of described back up pad is provided with the through hole communicated with body of heater.
Preferably, the equal height adjustable of each described feet.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, hardening step of the present invention is safe and reliable, do not need by hand material to be taken out in process furnace, only insulation block need be pulled out, again lid shell is rotated nearly 180 degree and just material can be fallen into quenching bath fast, decrease sample and expose the aerial time, can effectively prevent sample oxidized, thus ensure that quenching effect, and effectively can ensure that the temperature in body of heater is substantially constant, fuel economy;
2, not needing when the present invention quenches to relend helps external tool just can complete, and can avoid scalding.
3, inventive samples can pass into rare gas element protection to stove in the heat-processed of quenching, prevents material sample oxidized.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the main sectional view of upright quenching furnace of the present invention;
Accompanying drawing 2 is the sectional view of body of heater in upright quenching furnace of the present invention;
Accompanying drawing 3 is the sectional view of A-A in Fig. 1;
Wherein: 1, back up pad; 11, feet; 2, thermal insulation layer; 21, furnace shell; 22, alumina ceramic tube; 23, stove silk; 24, thermopair; 25, sealing connection; 26, high-temperature insulation resin; 3, insulation block; 31, draw ring; 32, inlet pipe; 4, lid shell; 41, briquetting; 42, handle; 43, escape pipe; 44, Vacuum exhaust tube; 45, valve; 46, high temperature resistant packing ring; 5, support bar; 51, pin; 52, porcelain boat; 53, rest pad; 6, quenching bath; 61, quenchant; 7, sample.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-3 is upright quenching furnace of the present invention, comprises support, body of heater and bell; The feet 11 that described support comprises back up pad 1 and is arranged on back up pad four angles; Described back up pad 1 horizontal positioned, and middle part is provided with through hole; Described feet is all by screw or be weldingly fixed in back up pad 1, and height adjustable, convenient position back up pad 1 being adjusted to level; Described body of heater comprises alumina ceramic tube 22, thermal insulation layer 2 and the furnace shell 21 vertically placed from inside to outside; Alumina ceramic tube 22 and thermal insulation layer 2 are fixed in back up pad 1 by screw or welding by described furnace shell 21; The internal diameter of described alumina ceramic tube 22 is less than or equal to the diameter of through hole in back up pad 1, and the surface of described alumina ceramic tube 22 is provided with two spiral slots, is provided with the thermopair 24 of measuring tempeature in pipe; Stove silk 23 is all wound with in spiral slot described in every bar; The feeder ear of described stove silk 23 and the signal end of thermopair 24 are all fixed on through thermal insulation layer 2 and furnace shell 21 in the sealing connection 25 of setting on furnace shell 21; Described sealing connection 25 is by high-temperature insulation resin stationary furnace silk 23 and thermopair 24; The inherent alumina ceramic tube 22 of described body of heater is provided with in below can the insulation block 3 of outside movement; The outer end of described insulation block 3 is provided with the inlet pipe 32 that alumina ceramic tube 22 lower end is stretched in draw ring 31 and one end, and be convenient to mobile insulation block 3 by draw ring 31, inlet pipe 32 is used for passing into the rare gas elementes such as nitrogen, prevents sample 7 by the dioxygen oxidation in stove; Described bell comprises the T-shaped and inner lid shell 4 in vacuum in cross section; Described lid shell 4 is arranged on the upper end of body of heater, and lower end is arranged in alumina ceramic tube 22; Be provided with high temperature resistant packing ring 46 between described lid shell 4 and furnace shell 21, seal; The upper end of described lid shell 4 is provided with the escape pipe 43 that is stretched into alumina ceramic tube 22 upper end, be used for discharging the rare gas element that passes into of inlet pipe 32, the both sides, upper end of described lid shell 4 are also respectively arranged with briquetting 41, centre is provided with handle 42, because lid shell 4 inside is vacuum, lighter weight, more can ensure sealing effectiveness by briquetting 41, and handle 42 is convenient to rotate or take off lid shell 4; The side of described lid shell 4 is also provided with Vacuum exhaust tube 44, forms vacuum for the air extracted out in lid shell 4; Described Vacuum exhaust tube 44 is provided with valve 45, for controlling conducting or the cut-off of Vacuum exhaust tube 44; Be provided with cross section semicircular in shape in described alumina ceramic tube 22 and be used for placing the back-up block 53 of sample 7 and horizontal positioned and through the pin 51 in alumina ceramic tube 22 center of circle; The measuring junction of described thermopair 24 and back-up block 53 are separately positioned on the both sides of pin 51, and the measuring junction of thermopair 24 is higher than the upper surface of pin 51, pin 51 3-5mm higher than the upper surface 53 of back-up block; The bottom of described lid shell 4 is provided with two support bars 5 vertically placed, and wherein the head of a support bar 5 is connected with the center of circle of back-up block 53, and the head of another root support bar 5 is connected with one end of back-up block 53; The below of described back up pad 1 is provided with the quenching bath 6 that quenchant 61 is housed; Described quenchant 61 can be water or oil; Described sample 7 is placed on back-up block 53 by porcelain boat 52.
During use: open bell, sample 7 is placed on back-up block 53 by porcelain boat 52, and again bell is placed on body of heater and seals, by stove silk 23 electrified regulation, pass into rare gas element in alumina ceramic tube 22 from inlet pipe 32 simultaneously, sample 7 is protected; When the heating of sample 7 and soaking time reach the requirement of setting, first pull out insulation block 3, and remove the briquetting 41 of lid shell 4 upper end, then rotatable cover shell 4 is until can not rotate, now the quenching bath 6 that quenchant 61 is housed fallen into by sample 7 under the stop of pin together with porcelain boat 52, reaches the object of rapid quenching.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, hardening step of the present invention is safe and reliable, do not need by hand material to be taken out in process furnace, only insulation block need be pulled out, again lid shell is rotated nearly 180 degree and just material can be fallen into quenching bath fast, decrease sample and expose the aerial time, can effectively prevent sample oxidized, thus ensure that quenching effect, and effectively can ensure that the temperature in body of heater is substantially constant, fuel economy;
2, not needing when the present invention quenches to relend helps external tool just can complete, and can avoid scalding;
3, inventive samples can pass into rare gas element protection to stove in the heat-processed of quenching, prevents material sample oxidized.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within rights protection scope of the present invention.
Claims (10)
1. a upright quenching furnace, is characterized in that: the body of heater comprising support and be vertically arranged on support; The upper end of described body of heater is provided with the inner bell in vacuum, and lower end is provided with can the insulation block of outside movement, and is also provided with the pin of horizontal positioned and cross section semicircular in shape in body of heater and is arranged on the back-up block of pin side; Described pin is than the upper surface height 3-5mm of back-up block; The bottom of described bell is provided with two support bars, and wherein the head of a support bar is connected with the center of circle of back-up block, and the head of another root support bar is connected with one end of back-up block; The middle part of described support is provided with the through hole communicated with body of heater, and below is provided with the quenching bath that quenchant is housed.
2. upright quenching furnace according to claim 1, is characterized in that: described body of heater comprises alumina ceramic tube, thermal insulation layer and the furnace shell vertically placed from inside to outside; Alumina ceramic tube and thermal insulation layer are fixed on support by described furnace shell; The surface of described alumina ceramic tube is at least provided with the spiral slot that is wound with stove silk, and is also provided with the thermopair of measuring tempeature in pipe; The feeder ear of described stove silk and the signal end of thermopair are all fixed in sealing connection that furnace shell is arranged through thermal insulation layer and furnace shell; The measuring junction of described thermopair is arranged on the opposite side of pin, and the measuring junction of thermopair is higher than the upper surface of pin; The inherent alumina ceramic tube of described body of heater is provided with in below can the insulation block of outside movement.
3. upright quenching furnace according to claim 2, is characterized in that: described sealing connection is by high-temperature insulation resin stationary furnace silk and thermopair.
4. the upright quenching furnace according to claim 1 or 2 or 3, is characterized in that: described bell comprises the T-shaped and inner lid shell in vacuum in cross section; Described lid shell is arranged on the upper end of body of heater, and lower end is arranged in alumina ceramic tube; The upper end of described lid shell is provided with the escape pipe that is stretched into alumina ceramic tube upper end; The outer end of described insulation block is provided with the inlet pipe that alumina ceramic tube lower end is stretched in one end.
5. upright quenching furnace according to claim 4, is characterized in that: the centre of described lid shell and the outer end of insulation block are respectively provided with handle and draw ring.
6. upright quenching furnace according to claim 4, is characterized in that: the both sides, upper end of described lid shell are respectively arranged with briquetting.
7. upright quenching furnace according to claim 4, is characterized in that: be provided with high temperature resistant packing ring between described lid shell and furnace shell.
8. upright quenching furnace according to claim 4, is characterized in that: the side of described lid shell is provided with Vacuum exhaust tube; Described Vacuum exhaust tube is also provided with the valve controlling conducting or cut-off.
9. upright quenching furnace according to claim 8, is characterized in that: the back up pad that described support comprises horizontal positioned and the feet be arranged on each angle of back up pad; Described body of heater is by screw or be welded and fixed on the supporting plate; The middle part of described back up pad is provided with the through hole communicated with body of heater.
10. upright quenching furnace according to claim 9, is characterized in that: the equal height adjustable of each described feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817019.XA CN105400934A (en) | 2015-11-23 | 2015-11-23 | Vertical type hardening furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817019.XA CN105400934A (en) | 2015-11-23 | 2015-11-23 | Vertical type hardening furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105400934A true CN105400934A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510817019.XA Pending CN105400934A (en) | 2015-11-23 | 2015-11-23 | Vertical type hardening furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN105400934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126873A (en) * | 2020-09-18 | 2020-12-25 | 余兆勇 | Quenching method of copper alloy |
| CN113008033A (en) * | 2021-03-30 | 2021-06-22 | 江西理工大学 | High-temperature reaction tube furnace capable of accurately controlling temperature and atmosphere and rapidly quenching sample |
Citations (5)
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| CN202403512U (en) * | 2011-12-02 | 2012-08-29 | 江苏星火特钢有限公司 | Vacuum inner container and cover sealing device for pit furnace |
| CN103031415A (en) * | 2011-10-10 | 2013-04-10 | 上海汇森益发工业炉有限公司 | Continuous protective atmosphere heating high-pressure gas quenching furnace |
| CN103757184A (en) * | 2014-01-26 | 2014-04-30 | 万世泰金属工业（昆山）有限公司 | Vacuum electric annealing furnace |
| CN203653616U (en) * | 2013-11-22 | 2014-06-18 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Quenching tube furnace |
| CN205170926U (en) * | 2015-11-23 | 2016-04-20 | 苏州市职业大学 | Vertical quenching furnace |
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2015
- 2015-11-23 CN CN201510817019.XA patent/CN105400934A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031415A (en) * | 2011-10-10 | 2013-04-10 | 上海汇森益发工业炉有限公司 | Continuous protective atmosphere heating high-pressure gas quenching furnace |
| CN202403512U (en) * | 2011-12-02 | 2012-08-29 | 江苏星火特钢有限公司 | Vacuum inner container and cover sealing device for pit furnace |
| CN203653616U (en) * | 2013-11-22 | 2014-06-18 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Quenching tube furnace |
| CN103757184A (en) * | 2014-01-26 | 2014-04-30 | 万世泰金属工业（昆山）有限公司 | Vacuum electric annealing furnace |
| CN205170926U (en) * | 2015-11-23 | 2016-04-20 | 苏州市职业大学 | Vertical quenching furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126873A (en) * | 2020-09-18 | 2020-12-25 | 余兆勇 | Quenching method of copper alloy |
| CN113008033A (en) * | 2021-03-30 | 2021-06-22 | 江西理工大学 | High-temperature reaction tube furnace capable of accurately controlling temperature and atmosphere and rapidly quenching sample |
| CN113008033B (en) * | 2021-03-30 | 2022-07-08 | 江西理工大学 | High-temperature reaction tube furnace capable of accurately controlling temperature and atmosphere and rapidly quenching sample |
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Application publication date: 20160316 |