CN204022878U - In alloy graining process, different steps liquid is quenched sampling unit - Google Patents
In alloy graining process, different steps liquid is quenched sampling unit Download PDFInfo
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- CN204022878U CN204022878U CN201420458320.7U CN201420458320U CN204022878U CN 204022878 U CN204022878 U CN 204022878U CN 201420458320 U CN201420458320 U CN 201420458320U CN 204022878 U CN204022878 U CN 204022878U
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Abstract
The utility model belongs to Material Field, discloses different steps liquid in a kind of alloy graining process and to quench sampling unit.Comprise frame support, frame support upper end is provided with stove, stove comprises body of heater and control panel two portions, body of heater upper end is provided with transmission mechanism, body of heater center is longitudinally run through silica tube, refractory stoppers are respectively established at the upper and lower two ends of silica tube, lagging material is filled with between silica tube and inboard wall of furnace body, silica tube cavity between two refractory stoppers is heating region, heating rod is evenly equipped with in lagging material around heating region, center and the silica tube of two refractory stoppers are coaxially provided with through hole, run through in the through hole of upper end refractory stoppers and have crucible and extend to heating region, thermopair is placed with in crucible, crucible upper end is flexibly connected with transmission mechanism, position corresponding with silica tube center below frame support is placed with liquid and quenches groove, liquid is quenched and to be contained with liquid in groove and to quench medium.The utility model can be selected different steps in process of setting to carry out liquid rapidly to quench sampling, can realize operate continuously.
Description
Technical field
The utility model belongs to material preparation and fabrication technical field, is specifically related to different steps liquid in a kind of alloy graining process and quenches sampling unit.
Background technology
Solidifying of alloy refers to that alloy is the process of solid phase by liquid phase.Solidifying is the important scientific issues of alloy liquid forming technique.In research alloy graining process, Microstructural evolution, solute Distribution dynamics and solidification behavior etc. relate to the influence factor of the final solidified structure of alloy, and the improvement that can be alloy structure provides theoretical direction, enriches the solidification theory of alloy.Metal solidification process is owing to being at high temperature carry out, and molten metal is again opaque, and therefore research is got up more difficult.The liquid technology of quenching utilizes the method for Quench to be remained by the tissue of different steps in process of setting, then analyzing the problems such as Microstructural evolution, solute Distribution dynamics and the solidification behavior in alloy graining process, is the effective means of research alloy graining process.
Traditional liquid-quenching device is all generally after aluminium alloy is cooled to certain temperature in stove, is taken out by aluminium alloy, and then puts into liquid medium of quenching and carry out liquid and quench.This discontinuous operating method, not only complex operation, the more important thing is that the operating time is longer, decline more obvious at sampling process interalloy liquid temp, alloy structure changes in the process, causing obtained liquid to quench sample can not the actual process of setting of reflect alloy truly, the accuracy of influence research conclusion.
Utility model content
The purpose of this utility model is to provide different steps liquid in a kind of alloy graining process and quenches sampling unit, this device can not only realize the simulation of the actual process of setting of alloy, and do not need aluminium alloy to take out in crucible and put into liquid again and to quench medium, realize operate continuously, operating process interalloy liquid temp is changed minimum, thus the microstructure evolution more accurately in reflect alloy process of setting, these are that traditional liquid sampling unit of quenching cannot realize.
For achieving the above object, the technical scheme taked of the utility model is as follows:
In alloy graining process, different steps liquid is quenched sampling unit: comprise frame support, frame support upper end is provided with stove, stove comprises body of heater and control panel two portions of being measured thermopair connection by furnace temperature, body of heater upper end is provided with transmission mechanism, body of heater center is longitudinally run through silica tube, refractory stoppers are respectively established at the upper and lower two ends of silica tube, lagging material is filled with between silica tube and inboard wall of furnace body, silica tube cavity between two refractory stoppers is heating region, heating rod is evenly equipped with in lagging material around heating region, center and the silica tube of two refractory stoppers are coaxially provided with through hole, the through hole of lower end refractory stoppers is non-heated region, run through in the through hole of upper end refractory stoppers and have crucible and extend to heating region, aluminium alloy temperature measuring thermopair is placed with in crucible, crucible upper end is flexibly connected with transmission mechanism, position corresponding with silica tube center below frame support is placed with liquid and quenches groove, liquid is quenched and to be contained with liquid in groove and to quench medium.
Preferably, described transmission mechanism comprises the bearing, transmission rod, the supporting rod that are located at body of heater upper end, transmission rod is vertically located on bearing, supporting rod two ends are provided with vertical through holes and the cross through hole of vertical connection, transmission rod, crucible are each passed through one of them vertical through holes and by chuck through the clamping of corresponding cross through hole, realization is flexibly connected with supporting rod.
Further, protection tracheae can also be placed with in crucible.
Preferably, frame support upper end is one-body molded back up pad, and stove is established on the supporting plate; Back up pad is coaxially provided with through hole with silica tube, and the diameter of the diameter of lower end refractory stoppers through hole≤this through-hole diameter≤lower end refractory stoppers, directly can promptly fall into liquid to facilitate crucible and quench in medium.
In the utility model, transmission mechanism is used for the fixing and mobile of crucible, thermopair and protection tracheae (according to alloy needs), and wherein, supporting rod is used for fixing crucible, and transmission rod is used for mobile crucible; The heating region be communicated with and non-heated region, be respectively used to the alloy graining process before the melting of alloy and simulated solution are quenched; Liquid is quenched groove, to quench medium for holding liquid.Described crucible can according to the crucible of the type selecting unlike material of molten alloy.The temperature range that described furnace temperature mensuration thermopair and aluminium alloy temperature measuring thermopair can be measured as required selects suitable thermopair, and conventional have K type thermopair; In order to accurately obtain the real time temperature of process of setting interalloy liquid, aluminium alloy temperature measuring thermopair directly inserts in aluminium alloy.Described protection tracheae, according to the types of alloys of melting determine the need of, the melting as carried out magnesium alloy needs CO
2and SF
6as protection gas.Described heating rod can be selected according to the smelting temperature of alloy, and less than 1000 DEG C conventional resistance wires, as the melting of magnesium alloy, aluminium alloy; 1000-1400 DEG C of conventional globar, as the melting of copper alloy; More than 1400 DEG C conventional Si-Mo rods, as the melting of cast iron, cast steel.Described control panel can realize control and the Presentation Function of furnace temperature.Exist in described non-heated region one from heating region more away from the lower temperature field of temperature, the drawn-down position controlling crucible in this temperature field can simulate the process of cooling of aluminium alloy routine casting, temperature to be cooled reaches liquid and quenches after temperature spot, by aluminium alloy together with crucible directly the liquid of inserting rapidly below quench in medium.Described liquid medium of quenching adopts good hypothermic saline, low temperature NaOH solution, liquid nitrogen and the low melting point alloy liquid etc. of chill effect.
Compared with prior art, the utility model has the advantages that: the utility model makes the melting of alloy, solidifies (liquid quench the above process of setting of a temperature) with liquid quenches and be communicated with from top to down, when arriving target temperature point, after unclamping chuck, crucible can fall into rapidly liquid and quenches in medium, substantially realizes quenching without time difference liquid.So, this device can realize the simulation of the actual process of setting of alloy, and the temperature control precision that liquid is quenched a little is very high, can realize the quick liquid of different steps in process of setting and to quench sampling, obtain different steps in process of setting to organize more really, more accurately the process of setting of reflect alloy.These are that traditional liquid sampling unit of quenching cannot realize.
Accompanying drawing explanation
Fig. 1: broken section structural representation of the present utility model;
The enlarged view in region shown in B in Fig. 2: Fig. 1;
Wherein, 101, upper end refractory stoppers; 102, lower end refractory stoppers; 2, lagging material; 3, heating region; 4, non-heated region; 5, body of heater; 6, transmission mechanism; 61, bearing; 62, transmission rod; 63, supporting rod; 7, heating rod; 8, control panel; 9, liquid is quenched groove; 10, liquid is quenched medium; 1101, the first chuck; 1102, the second chuck; 12, crucible; 13, aluminium alloy temperature measuring thermopair; 14, tracheae is protected; 15, frame support; 16, back up pad; 17, silica tube.
Embodiment
As shown in Figure 1-2, in alloy graining process, different steps liquid is quenched sampling unit: comprise frame support 15, frame support 15 upper end is one-body molded back up pad 16, back up pad 16 is installed with stove, stove comprises and measures by furnace temperature the body of heater 5 and control panel 8 two portions that thermopair (omitting in figure) connects, body of heater 5 upper end is provided with transmission mechanism 6, described transmission mechanism 6 comprises the bearing 61 being located at body of heater 5 upper end, transmission rod 62, supporting rod 63, transmission rod 62 is vertically located on bearing 61, supporting rod 63 one end is provided with the first vertical through holes and first cross through hole of vertical connection, transmission rod 62 is through the first vertical through holes and by the first chuck 1101 through the first cross through hole clamping, the other end of supporting rod 63 is provided with the second vertical through holes and second cross through hole of vertical connection, body of heater 5 center is longitudinally run through silica tube 17, silica tube about 17 two ends are respectively equipped with upper end refractory stoppers 101 and lower end refractory stoppers 102, lagging material 2 is filled with between silica tube 17 and body of heater 5 inwall, silica tube 17 cavity between upper end refractory stoppers 101 and lower end refractory stoppers 102 is heating region 3, heating rod 7 is evenly equipped with in lagging material 2 around heating region 3, center and the silica tube 17 of upper end refractory stoppers 101 and lower end refractory stoppers 102 are coaxially provided with through hole, the through hole of lower end refractory stoppers 102 is non-heated region 4, run through in the through hole of upper end refractory stoppers 101 and have crucible 12 and extend to heating region 3, aluminium alloy temperature measuring thermopair 13 and protection tracheae 14 is placed with in crucible 12, crucible 12 upper end is through the second vertical through holes and by the second chuck 1102 through the second cross through hole clamping, realization is flexibly connected with transmission mechanism 6, position corresponding with silica tube 17 center below frame support 15 is placed with liquid and quenches groove 10, liquid is quenched and to be contained with liquid in groove 10 and to quench medium 9, back up pad 16 is coaxially provided with through hole with silica tube 17 simultaneously, and the diameter of the diameter of lower end refractory stoppers 102 through hole≤this through-hole diameter≤lower end refractory stoppers 102.
Liquid is quenched sampling method:
1, quench with Al-RE alloy graining process different steps liquid and be sampled as example, during alloy melting, heating rod 7 can select resistance wire to heat, aluminium alloy temperature measuring thermopair 13 and furnace temperature measure thermopair can select K type thermopair, and crucible 12 is the 304L stainless steel tube of an end closure wall thickness 0.3mm.
By control panel 8, furnace temperature is set to 750 DEG C, after reaching design temperature etc. furnace temperature, crucible 12 is put into heating region 3 preheating.
After preheating 5min, the Al-RE alloy pig of polishing preheated is in advance put into crucible 12.Support bar 63 is moved up and down at transmission rod 62 by transmission mechanism 6(), adjust the position of crucible 12, alloy pig is all in heating region 3.
Treat that alloy all melts, insulation for some time, aluminium alloy temperature measuring thermopair 13 is inserted in aluminium alloy.
Owing to needing the actual process of setting of simulating alloy, quench at liquid and before experiment is carried out, need first to measure the conventional coagulation temperature curve of surveyed alloy.According to this temperature of solidification curve, selected non-heated region 4 required for process of setting.
Support bar 63 is moved up and down at transmission rod 62 by transmission mechanism 6(), crucible 12 is moved to non-heated region 4 selected in advance and carry out solidifying of alloy.
By being inserted in the aluminium alloy temperature measuring thermopair 13 in aluminium alloy, the change of real time record process of setting interalloy liquid temp, arrives target temperature point, unclamps the chuck 1102 above supporting rod 63, and crucible 12 directly promptly crashes into liquid and quenches and carry out liquid in groove 10 and quench.
Method same above employing, selects a series of temperature spot to carry out liquid respectively and to quench sampling, then analyze the process of setting of alloy.
2, quench with AZ31+RE magnesium alloy in course of solidification different steps liquid and be sampled as example, during alloy melting, heating rod 7 can select resistance wire to heat, aluminium alloy temperature measuring thermopair 13 and furnace temperature measure thermopair can select K type thermopair, and crucible 12 is the 304L stainless steel tube of an end closure wall thickness 0.3mm.
By control panel 8, furnace temperature is set to 750 DEG C, after reaching design temperature etc. furnace temperature, crucible 12 is put into heating region 3 preheating.
Easily burn because magnesium alloy is sent out in process in melting, need to pass into protection gas, in the process of crucible 12 preheating, in protection tracheae 14, pass into protection gas can discharge air in crucible 12.
Ventilate and after preheating 5min, the AZ31+RE magnesium alloy ingot of polishing preheated in advance put into crucible 12.Support bar 63 is moved up and down at transmission rod 62 by transmission mechanism 6(), adjust the position of crucible 12, alloy pig is all in heating region 3.Pass into protection gas in the process of melting always.
Treat that alloy all melts, insulation for some time, aluminium alloy temperature measuring thermopair 13 is inserted in aluminium alloy.
Owing to needing the actual process of setting of simulating alloy, quench at liquid and before experiment is carried out, need first to measure the conventional coagulation temperature curve of surveyed alloy.According to this temperature of solidification curve, selected non-heated region 4 required for process of setting.
Support bar 63 is moved up and down at transmission rod 62 by transmission mechanism 6(), crucible 12 is moved to non-heated region 4 selected in advance and carry out solidifying of alloy.
By being inserted in the aluminium alloy temperature measuring thermopair 13 in aluminium alloy, the change of real time record process of setting interalloy liquid temp, arrives target temperature point, unclamps the chuck 1102 above supporting rod 63, and crucible 12 directly promptly crashes into liquid and quenches and carry out liquid in groove 10 and quench.
Method same above employing, selects a series of temperature spot to carry out liquid respectively and to quench sampling, then analyze the process of setting of alloy.
Claims (4)
1. in alloy graining process, different steps liquid is quenched sampling unit, it is characterized in that: comprise frame support, frame support upper end is provided with stove, stove comprises body of heater and control panel two portions of being measured thermopair connection by furnace temperature, body of heater upper end is provided with transmission mechanism, body of heater center is longitudinally run through silica tube, refractory stoppers are respectively established at the upper and lower two ends of silica tube, lagging material is filled with between silica tube and inboard wall of furnace body, silica tube cavity between two refractory stoppers is heating region, heating rod is evenly equipped with in lagging material around heating region, center and the silica tube of two refractory stoppers are coaxially provided with through hole, the through hole of lower end refractory stoppers is non-heated region, run through in the through hole of upper end refractory stoppers and have crucible and extend to heating region, aluminium alloy temperature measuring thermopair is placed with in crucible, crucible upper end is flexibly connected with transmission mechanism, position corresponding with silica tube center below frame support is placed with liquid and quenches groove, liquid is quenched and to be contained with liquid in groove and to quench medium.
2. in alloy graining process as claimed in claim 1, different steps liquid is quenched sampling unit, it is characterized in that: described transmission mechanism comprises the bearing, transmission rod, the supporting rod that are located at body of heater upper end, transmission rod is vertically located on bearing, supporting rod two ends are provided with vertical through holes and the cross through hole of vertical connection, transmission rod, crucible are each passed through one of them vertical through holes and by chuck through the clamping of corresponding cross through hole, realization is flexibly connected with supporting rod.
3. in alloy graining process as claimed in claim 1, different steps liquid is quenched sampling unit, it is characterized in that: be placed with protection tracheae in crucible.
4. in alloy graining process as claimed in claim 1, different steps liquid is quenched sampling unit, and it is characterized in that: frame support upper end is one-body molded back up pad, stove is established on the supporting plate; Back up pad is coaxially provided with through hole with silica tube, and the diameter of the diameter of lower end refractory stoppers through hole≤this through-hole diameter≤lower end refractory stoppers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458320.7U CN204022878U (en) | 2014-08-14 | 2014-08-14 | In alloy graining process, different steps liquid is quenched sampling unit |
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| CN201420458320.7U CN204022878U (en) | 2014-08-14 | 2014-08-14 | In alloy graining process, different steps liquid is quenched sampling unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715917A (en) * | 2018-06-06 | 2018-10-30 | 东北大学 | A method of control and preservation solidification of molten steel forward position two-phase zone state |
| CN108760794A (en) * | 2018-06-06 | 2018-11-06 | 东北大学 | A kind of experimental method measuring steel solid, liquid liquidus temperature |
| CN108776150A (en) * | 2018-06-06 | 2018-11-09 | 东北大学 | A method of non-metallic inclusion forms and changes during research solidification |
| CN109387534A (en) * | 2018-10-26 | 2019-02-26 | 西安建筑科技大学 | A kind of quenching liquid toxicity test device and method |
-
2014
- 2014-08-14 CN CN201420458320.7U patent/CN204022878U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715917A (en) * | 2018-06-06 | 2018-10-30 | 东北大学 | A method of control and preservation solidification of molten steel forward position two-phase zone state |
| CN108760794A (en) * | 2018-06-06 | 2018-11-06 | 东北大学 | A kind of experimental method measuring steel solid, liquid liquidus temperature |
| CN108776150A (en) * | 2018-06-06 | 2018-11-09 | 东北大学 | A method of non-metallic inclusion forms and changes during research solidification |
| CN108715917B (en) * | 2018-06-06 | 2020-03-17 | 东北大学 | Method for controlling and preserving two-phase region state of molten steel solidification front |
| CN109387534A (en) * | 2018-10-26 | 2019-02-26 | 西安建筑科技大学 | A kind of quenching liquid toxicity test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150814 |
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| EXPY | Termination of patent right or utility model |