CN109444210A - A kind of dedicated sample heat-treatment furnace of transformation temperature test - Google Patents
A kind of dedicated sample heat-treatment furnace of transformation temperature test Download PDFInfo
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- CN109444210A CN109444210A CN201811552837.1A CN201811552837A CN109444210A CN 109444210 A CN109444210 A CN 109444210A CN 201811552837 A CN201811552837 A CN 201811552837A CN 109444210 A CN109444210 A CN 109444210A
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- feed pipe
- material blanking
- blanking tube
- treatment furnace
- heating zone
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 76
- 230000009466 transformation Effects 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 41
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of transformation temperatures to test dedicated sample heat-treatment furnace, including shell, the burner hearth that at least two temperature are capable of independent control is equipped in the shell, heat-insulation and heat-preservation furnace lining is equipped between each burner hearth and between burner hearth and shell, the burner hearth includes heating zone and by the feeding passage that communicates with heating zone of the external world, heating element is equipped in the heating zone, the feeding passage includes feed pipe and material blanking tube, the feeding passage is vertically arranged, the feed pipe is located above material blanking tube and is located below, the feeding plate that can separate feed pipe and material blanking tube is movably equipped between the feed pipe and material blanking tube, the feeding plate is located at heating zone, the extraneous baffler with Heating Zone Temperature can be separated by being movably equipped in the material blanking tube position.
Description
Technical field
The present invention relates to heat-treatment furnaces more particularly to transformation temperature to test dedicated sample heat-treatment furnace.
Background technique
Metallographic method test metal phase height is classical standard method.Currently, each laboratory carries out sample heat-treatment quenching
When, generally use " tube type resistance furnace " or small-sized " chamber type electric resistance furnace ".The temperature uniformity of " tube type resistance furnace " can reach requirement
± 3 DEG C, but to guarantee temperature uniformity requirement, ceramic boiler tube is generally very long (more than 800 ㎜), and caliber cannot excessive (≤50
㎜), position of the sample in boiler tube must be by marking warm determination in advance, and effective heating area is very narrow, and the handling use of sample has
The long metal bar of label hooks up, and handling sample manipulation is difficult, and the consistency of operation is difficult to control.The furnace temperature of " chamber type electric resistance furnace " is equal
Even property is inherently extremely difficult to ± 3 DEG C of requirement, so often reducing space model by mark temperature using in big rectangle furnace
The mode enclosed selectes effective uniform temperature zone, some laboratories also use the measure of installation " load thermocouple " to guarantee furnace temperature accuracy
It is required that.But since chamber type electric resistance furnace is switched on fire door when loading and unloading sample, sample is pipetted using refractory metal clamp, operation
Personnel are in the environment of high-temperature baking, it is difficult to ensure that sample moment effectively enters water quenching.Experiments have shown that delay in several seconds will
Cause quench snap sample temperature variation, either " tube type resistance furnace " still " chamber type electric resistance furnace ", tried
In the presence of the consistency that can not ensure operation when sample heat-treatment quenching, the true hardening heat and technological temperature of sample are inconsistent,
There is deviation when eventually leading to metal lographic examination transformation temperature.In addition, current titanium alloy transformation temperature sample heat treatment process is by pre-
If temperature heat-treatment quenching, every group of 5 samples are carried out respectively to sample, each temperature spot keeps the temperature 40 minutes after needing constant temperature,
300 minutes are at least needed from room temperature to 5 samples are completed, under transformation temperature detection efficiency is very low.
Summary of the invention
In order to solve deficiency in the prior art, multiple groups sample can be detected simultaneously by providing one kind, and detect temperature in ladder
Degree increases, and five sample blankings quenching consistency are controllable, and blanking time short transformation temperature tests dedicated sample heat-treatment furnace, this hair
Technical solution used by bright is:
A kind of dedicated sample heat-treatment furnace of transformation temperature test, including shell, are equipped at least two temperature in the shell
Degree is capable of the burner hearth of independent control, and heat-insulation and heat-preservation furnace lining, institute are equipped between each burner hearth and between burner hearth and shell
The burner hearth stated includes heating zone and by the feeding passage that communicates with heating zone of the external world, in the heating zone equipped with heating unit
Part, the feeding passage include feed pipe and material blanking tube, and the feeding passage is vertically arranged, and the feed pipe is located at upper
Square material blanking tube is located below, and falling for feed pipe and material blanking tube can be separated by being movably equipped between the feed pipe and material blanking tube
Flitch, the feeding plate are located at heating zone, and extraneous and Heating Zone Temperature can be separated by being movably equipped in the material blanking tube position
Baffler.
Further, the baffler is at least spaced setting two.
Further, baffler is movably equipped in the aperture position that the material blanking tube communicates with the outside world.
Further, driving feeding plate and the movable driving device of baffler, the drive are equipped on the shell
Dynamic device is cylinder, and fixed plate, the driving device and the fixation are connected between the feeding plate and baffler
Plate connection driving feeding plate and baffler synchronization action.
Further, the material-dropping hole that can be connected to feed pipe and material blanking tube is equipped on the feeding plate, described
Baffler is equipped with the through-hole fallen for sample；
Further, one group of through hole is equipped on the feed pipe side wall, the through hole is set positioned at feed pipe
In the part of heating zone.
It further, further include having temperature-detecting device, the temperature-detecting device includes thermometric idol, and alarm is even, institute
The temperature-detecting device probe stated is placed in heating zone.
Further, the heating zone is equipped with the mounting groove of installation heating element, and the heating element includes heating
Silk and the alundum tube 2-32 being formed for heater strip winding.
Further, the capping that can block feed tube opening is equipped on the feed pipe, in the feed pipe
It is inside additionally provided with guide pipe, there are certain intervals between the guide pipe and feeding plate.
It further, further include having mounting rack, the shell is mounted on mounting rack, is equipped with below the shell
Sink corresponding with each material blanking tube position.
The characteristics of heat-treatment furnace and advantage: multiple burner hearths can be realized each temp auto-controlled, realizes while carrying out metal phase
The mentality of designing of the heat treatment work of one group of multiple and different temperature spot of height；Burner hearth is vertically arranged from blanking is fed to by sample
Movement is realized in self weight, and the sample after the completion of heating is quickly fallen into cooling trough；It is integrally improved test efficiency, is subtracted
Labor intensity is lacked, and security risk is reduced using automatic blanking.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the single chamber structure schematic diagram of the present invention；
Fig. 3 is enlarged view at A in Fig. 2；
Fig. 4 is enlarged view at B in Fig. 2；
Fig. 5 is feeding plate and baffler and driving device structure schematic diagram.
Specific embodiment
Transformation temperature as shown in Figure 1 tests dedicated sample heat-treatment furnace, including shell 1, and at least two are equipped in shell 1
Burner hearth 2, and respectively burner hearth 2 can be realized individual temperature control, provides a kind of embodiment as shown in figure 1: being arranged in shell
Five burner hearths 2, in order to be kept the temperature on burner hearth 2 while the temperature between each burner hearth 2 be avoided to influence, in burner hearth 2 and shell 1 and each furnace
Heat-insulation and heat-preservation furnace lining 3 is equipped between thorax 2.Each burner hearth 2 it is as shown in Figure 2 include heating zone 2-1 and by extraneous with heating zone 2-1
The feeding passage 2-2 communicated, in heating zone, 2-1 is arranged heating element 2-3 and implements heat temperature raising, and feeding passage 2-2 is vertically arranged,
Sample from feeding passage 2-2 fall into heating zone 2-1 heating after by feeding passage 2-2 blanking be by sample be self-possessed realize,
Middle feeding passage 2-2 includes feed pipe 2-21 and material blanking tube 2-22, and material blanking tube 2-22 is located below feed pipe 2-21 above,
Feeding plate 4 is movably equipped between feed pipe 2-21 and material blanking tube 2-22, feeding plate 4 is located at heating zone 2-1 and can separate charging
Pipe 2-21 and material blanking tube 2-22, sample is fallen on feeding plate 4 by feed pipe 2-21 when being tested, and feeding plate 4 will be at this time
Expects pipe 2-21 and material blanking tube 2-22 partition, sample are in heating zone 2-1, and mobile feeding plate 4 falls into sample after the completion of heating
To be detached from from burner hearth 2 in expects pipe 2-22, bottom cold air is also avoided to enter furnace in order to avoid generating stack effect in heating
It is extraneous with heating zone 2-1's that partition is arranged in material blanking tube 2-22 position activity in the stabilization that temperature in burner hearth when heating is influenced in thorax
Baffler 5, mobile baffler 5 just can be such that sample is detached from out of burner hearth 2 when same blanking.Enter furnace to completely cut off cold air
Thorax reaches preferably isolation effect, and baffler 5 is at least spaced setting two, and one of baffler 5 can be set in material blanking tube
The aperture position that 2-22 is communicated with the outside world, in this embodiment on the baffler 5 in 1 bottom of shell (material blanking tube aperture position)
Equipped with sliding block 5-2, the baffler 5 is supported and installs equipped with the linear guides 5-3 cooperated with sliding block 5-2 on shell 1, it is other
Baffler 5 then can be set in material blanking tube 2-22 middle section position, the above positional relationship is not limited certainly, as long as can effectively hinder
It keeps off bottom air and enters heating zone 2-1 from material blanking tube 2-22.Driving device 6 is additionally provided on shell 1, driving device 6 is used
In the activity of driving feeding plate 4 and baffler 5, as shown in Figure 5 in order to which 5 synchronization action of feeding plate 4 and baffler can be reached, if
There is fixed plate 7 that feeding plate 4 and baffler 5 are fixed in fixed plate 7, driving device 6 is then connect with fixed plate 7, passes through driving
Device 6 drives fixed plate 7 mobile while driving 5 synchronization action of feeding plate 4 and baffler, thus keep blanking operation more smooth,
Certainly it is also not limited to above embodiment, driving device 6 can be separately provided on feeding plate 4 and each baffler 5 and passes through
Synchronous movement is realized in synchronous driving.In order to be equipped with blanking on feeding plate 4 with feed pipe 2-21 and the cooperation of material blanking tube 2-22 caliber
Hole 4-1 on baffler 5 be equipped with through-hole 5-1, when material-dropping hole 4-1 and through-hole 5-1 be moved to the position feeding passage 2-2 realize fall
Material, when material-dropping hole 4-1 and through-hole 5-1 and feeding passage 2-2 location dislocation then realize partition.Driving device 6 in the embodiment
For cylinder, but be not limited only to a kind of form of cylinder, can also using the manually implemented movement to feeding plate 4 and baffler 5 or
Other common driving devices.In order to keep feeding plate 4 and the activity of baffler 5 smooth and have guiding performance in heat-insulation and heat-preservation furnace lining 3
Interior be equipped with supplies their slideways.
Since sample is located in feed pipe 2-21 when heating zone is heated, in order to adding to sample for fast uniform
As shown in figure 3, being equipped with one group of through hole 2-211 on feed pipe 2-21, these through holes 2-211 is located on feed pipe 2-21 heat
It is placed in the part of heating zone 2-1, the heat of heating zone 2-1 is quickly transmitted on sample β by through hole 2-211, is passed through certainly
Perforation is also not limited to the form that embodiment provides in figure, quickly transmits heat as long as being also possible to strip-shaped hole etc. and can be realized
Onto the sample in feed pipe 2-21.
In order to, into certainly position, guide pipe 10, the diameter of guide pipe 10 are additionally provided in feed pipe 2-21 in feeding
Match with the diameter of sample, sample can be made more stable in blanking, for the purposes of heat can be enable to be transmitted to examination
On sample, the aperture on guide pipe 10；Or make there are certain intervals between guide pipe 10 and feeding plate 4, one side is realized quick
On the other hand heat transfer avoids guide pipe 10 from touching with feeding plate 4 and causes to stop the influence movement of feeding plate 4.In order to preferably keep the temperature
It is additionally provided with capping 9 in the aperture position that feed pipe 2-21 is in communication with the outside, feed pipe 2-21 is blocked with capping in heating process and opens
Mouthful.
One group of mounting groove 2-11 is equipped with for installing heating element 2-3, in the embodiment in heating zone 2-1 as shown in Figure 4
Heating element 2-3 includes heater strip 2-31 and alundum tube 2-32, and heater strip 2-31 is wrapped on alundum tube 2-32, passes through alundum tube
2-32 is formed to be mounted in mounting groove 2-11 to heater strip 2-31.
It is additionally provided with mounting rack 11 in the embodiment as shown in Figure 1 to be used to that shell 1 is installed, is additionally provided with sink below shell 1
12,12 position of sink is corresponding with the position each material blanking tube 2-22, enables and smoothly calls in sink 12 when sample blanking.
In order to realize real time monitoring to temperature in burner hearth 2, which is additionally provided with temperature-detecting device 8, the temperature
Detection device 8 includes that thermometric is even, alarm is even, realizes real-time monitoring and alarm to temperature in burner hearth.
By taking the embodiment provided in scheming as an example, each furnace temperature is incremented by successively when transformation temperature is tested, while to five samples five
A different temperatures section is heated, and finally be can be realized while being carried out quenching heat treatment to one group of five sample, greatly improves
Working efficiency, and the blanking time is shortened by the way of automatic blanking simultaneously, it avoids individual sample and is heat-treated respectively
Hardening step postpones the inconsistent influence to sample hardening heat, and is not needing the artificial sample that takes out to place into sink,
Reduce security risk.
Claims (10)
1. a kind of transformation temperature tests dedicated sample heat-treatment furnace, including shell (1), it is characterised in that: in the shell (1)
It is capable of the burner hearth (2) of independent control equipped at least two temperature, between each burner hearth (2) and burner hearth (2) and shell
(1) heat-insulation and heat-preservation furnace lining (3) are equipped between, the burner hearth (2) include heating zone (2-1) and by extraneous with heating zone (2-
1) feeding passage (2-2) communicated is equipped with heating element (2-3) in the heating zone (2-1), the feeding passage (2-
It 2) include feed pipe (2-21) and material blanking tube (2-22), the feeding passage (2-2) is vertically arranged, the feed pipe (2-
21) it is located above material blanking tube (2-22) to be located below, activity is set between the feed pipe (2-21) and material blanking tube (2-22)
There is the feeding plate (4) that can separate feed pipe (2-21) and material blanking tube (2-22), the feeding plate (4) is located at heating zone (2-
1) the extraneous baffler (5) with heating zone (2-1) temperature can be separated by, being movably equipped in described position material blanking tube (2-22).
2. according to claim 1 test dedicated sample heat-treatment furnace in a kind of transformation temperature, it is characterised in that: institute
The baffler (5) stated at least is spaced setting two.
3. according to claim 2 test dedicated sample heat-treatment furnace in a kind of transformation temperature, it is characterised in that:
The aperture position that the material blanking tube (2-22) communicates with the outside world is movably equipped with baffler (5).
4. according to claim 1 test dedicated sample heat-treatment furnace in a kind of transformation temperature, it is characterised in that:
The shell (1) is equipped with driving feeding plate (4) and baffler (5) movable driving device (6), the driving device
(6) it is cylinder, is connected between the feeding plate (4) and baffler (5) fixed plate (7), the driving device (6) and institute
Fixed plate (7) connection driving feeding plate (4) and baffler (5) synchronization action stated.
5. according to any one of claims 1 to 4 test dedicated sample heat-treatment furnace in a kind of transformation temperature,
It is characterized in that: being equipped with the material-dropping hole (4- that can be connected to feed pipe (2-21) and material blanking tube (2-22) on the feeding plate (4)
1) through-hole (5-1) fallen for sample, is equipped on the baffler (5).
6. according to any one of claims 1 to 4 test dedicated sample heat-treatment furnace in a kind of transformation temperature,
It is characterized in that: being equipped with one group of through hole (2-211), the through hole (2-211) on described feed pipe (2-21) side wall
The part of heating zone (2-1) is placed in positioned at feed pipe (2-21).
7. a kind of transformation temperature according to claim 1 tests dedicated sample heat-treatment furnace, it is characterised in that: further include having temperature
It spends detection device (8), the temperature-detecting device (8) includes thermometric idol, and alarm is even, and the temperature-detecting device (8) is visited
Head is placed in heating zone (2-1).
8. a kind of transformation temperature according to claim 1 tests dedicated sample heat-treatment furnace, it is characterised in that: the heating
Area (2-1) is equipped with the mounting groove (2-11) of installation heating element (2-3), and the heating element (2-3) includes heater strip (2-
31) alundum tube (2-32) and for heater strip (2-31) winding being formed.
9. a kind of transformation temperature according to claim 1 tests dedicated sample heat-treatment furnace, it is characterised in that: it is described into
Expects pipe (2-21) is equipped with the capping (9) that can block feed pipe (2-21) opening, also sets in the feed pipe (2-21)
Have guide pipe (10), there are certain intervals between the guide pipe (10) and feeding plate (4).
10. a kind of transformation temperature according to claim 1 tests dedicated sample heat-treatment furnace, it is characterised in that: further include having
Mounting rack (11), the shell (1) are mounted on mounting rack (11), are equipped with and each material blanking tube below the shell (1)
The corresponding sink (12) in the position (2-22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552837.1A CN109444210A (en) | 2018-12-19 | 2018-12-19 | A kind of dedicated sample heat-treatment furnace of transformation temperature test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552837.1A CN109444210A (en) | 2018-12-19 | 2018-12-19 | A kind of dedicated sample heat-treatment furnace of transformation temperature test |
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| CN109444210A true CN109444210A (en) | 2019-03-08 |
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| CN201811552837.1A Pending CN109444210A (en) | 2018-12-19 | 2018-12-19 | A kind of dedicated sample heat-treatment furnace of transformation temperature test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239179A (en) * | 2020-03-27 | 2020-06-05 | 山东省医疗器械产品质量检验中心 | High polymer material glass transition temperature pretreatment equipment |
| CN111650236A (en) * | 2020-05-21 | 2020-09-11 | 西部超导材料科技股份有限公司 | Method for measuring titanium alloy beta transition temperature by adopting vertical tube furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111239179A (en) * | 2020-03-27 | 2020-06-05 | 山东省医疗器械产品质量检验中心 | High polymer material glass transition temperature pretreatment equipment |
| CN111650236A (en) * | 2020-05-21 | 2020-09-11 | 西部超导材料科技股份有限公司 | Method for measuring titanium alloy beta transition temperature by adopting vertical tube furnace |
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