CN201906815U - Seal type water current direct cooling for directional solidification - Google Patents
Seal type water current direct cooling for directional solidification Download PDFInfo
- Publication number
- CN201906815U CN201906815U CN2010206511474U CN201020651147U CN201906815U CN 201906815 U CN201906815 U CN 201906815U CN 2010206511474 U CN2010206511474 U CN 2010206511474U CN 201020651147 U CN201020651147 U CN 201020651147U CN 201906815 U CN201906815 U CN 201906815U
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- CN
- China
- Prior art keywords
- pipe
- anchor clamps
- directional solidification
- clamp
- coupon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000007711 solidification Methods 0.000 title claims abstract description 31
- 230000008023 solidification Effects 0.000 title claims abstract description 31
- 238000001816 cooling Methods 0.000 title abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to the field of directional solidification, in particular to a device used for seal type water current direct cooling in the process of directional solidification of metal materials, and aims at solving the problem that high temperature gradient is hard to be obtained in the conventional experiments of directional solidification. A clamp of the device is endowed with a three-way integral structure formed by a side pipe positioned at the side part of the clamp, a lower pipe positioned at the lower part and an upper pipe positioned at the upper part, wherein the end of the side pipe is a water outlet end, and the end of the lower pipe is a water inlet end; and the inner wall at the end of the upper pipe of the clamp corresponds to a drum-shaped copper cushion, a test bar extends into the clamp through the end of the upper pipe, the drum-shaped copper cushion is arranged between the test bar and the inner wall of the end of the upper pipe, the drum-shaped copper cushion and the upper pipe are cover through an upper cover of the clamp, and the upper cover of the clamp is tightly fixed with the upper pipe through threaded connection so as to form sealing. Water current flows inside through the end of the lower pipe of the clamp and then flows out through the end of the side pipe, the test bar is directly immersed in the water current, cooling water is caused to flow in the sealed pipeline, and the test bar is directly cooled through the water stream flowing at high speed, thereby obtaining the temperature gradient.
Description
Technical field
The utility model relates to the directional solidification field, is specially a kind of closed current that are used for metal material directional solidification process and directly cools off employed device.
Background technology
At present, the lower end type of cooling commonly used in the directional solidification process is divided into two kinds: a kind of is open cooling, comprise liquid metal cooling and the cooling of large-scale tank, it is characterized in that the sample lower end directly immerses in the cooling fluid, thereby good cooling results, can obtain higher thermograde, but the equipment complexity, cost is higher, is usually used in large-scale experiment or large-scale production; Another kind cools off indirectly for closed current, it is characterized in that adopting the high metal of thermal conductivity factor to make anchor clamps, the outside welding copper pipe or the feeding current of holing on anchor clamps are with Cooling fixture, again by clamping coupon lower end, utilize the heat transfer between anchor clamps and the coupon surface, indirectly cooling samples.The indirect cooling device of this current is simple and easy, be used for the compact directional solidification experiments more, but because the direct cooling samples lower end of current, and the face transmission of heat by contact between dependence anchor clamps inner surface and the coupon outer surface, thereby cooling effect is relatively poor, is difficult to obtain higher thermograde.In addition because the difference of coupon size and suface processing quality for the influence of face transmission of heat by contact greatly, even if thereby with a collection of experiment, the cooling effect that different coupons obtain also is difficult to guarantee consistent.
The utility model content
The purpose of this utility model is to provide a kind of direct-cooled device of closed current that is used for directional solidification, solves the problem that is difficult to obtain high-temperature gradient in the conventional directional solidification experiment.
The technical solution of the utility model is as follows:
A kind of direct-cooled device of closed current that is used for directional solidification, this device is provided with coupon, cydariform copper packing, anchor clamps loam cake, anchor clamps, side pipe, and concrete structure is as follows:
Anchor clamps are communicated with the integrative-structure that forms threeway by the side pipe that is positioned at the side, the following pipe that is positioned at the bottom, the superposed pipe of going up, and the end of side pipe is the water side, and the end of following pipe is a water inlet end; The end inwall of pipe is corresponding with the cydariform copper packing on the anchor clamps, coupon extends the anchor clamps from last tube end, and the cydariform copper packing places between the end inwall of pipe on coupon and the anchor clamps, and housing is buckled in the cydariform copper packing and the last pipe outside on the anchor clamps, the anchor clamps loam cake is fastening by being threaded with last pipe, forms sealing.
The described direct-cooled device of closed current that is used for directional solidification, at last pipe arranged outside fixed support, set bolt, set bolt passes fixed support and holds fixed support on last pipe, and set bolt and fixed support are by being threaded.
The described direct-cooled device of closed current that is used for directional solidification, the inwall of last tube end is inner conical surface or Internal Spherical Surface, the opening of inner conical surface or Internal Spherical Surface is for becoming big from bottom to top gradually.
The described direct-cooled device of closed current that is used for directional solidification is being provided with flowmeter, water valve on the pipe down.
Described device is used for the direct-cooled method of closed current of directional solidification, and current flow into from the following tube end of anchor clamps, flow out through the side pipe end, coupon directly immerses in the current, cooling water flows in the pipeline of sealing, directly cools off coupon by quick flowing water flow, thereby obtains thermograde.
The described direct-cooled method of closed current that is used for directional solidification, by the fastening of set bolt with unclamp, realize the pull and the quenching of coupon.
The described direct-cooled method of closed current that is used for directional solidification realizes the control of cooling rate by regulating water flow.
The described direct-cooled method of closed current that is used for directional solidification, concrete steps are as follows:
(1) coupon clamping and sealing
After the coupon lower end puts cydariform copper packing and anchor clamps loam cake successively, insert anchor clamps, and tighten the anchor clamps loam cake on anchor clamps, compress the cydariform copper packing, thereby realize the fit sealing and the clamping of coupon by screw thread; Directional solidification is turned on the anchor clamps loam cake after finishing, and can take out coupon;
(2) the fixing and quenching of anchor clamps
Withstand anchor clamps by the set bolt on the fixed support, realize the fixing of anchor clamps, and move up and down, thereby realize the coupon pull action that directional solidification is required by motor and transmission mechanism drive fixed support; When needs carry out the coupon quenching, unclamp set bolt, make in the quenching liquid of anchor clamps below coupon is fallen under the gravity effect;
(3) water flow is regulated
By assembling water valve and flowmeter on water inlet pipe, the size of control water flow, thereby the adjusting and the control of realization cooling velocity.
The utility model compared with prior art, its advantage mainly contains:
1, the utility model directly cools off coupon by quick flowing water flow, has significantly improved cooling effectiveness, can obtain higher thermograde;
2, the utility model flows in the pipeline of sealing by cooling water flow, is unlikely to produce steam or splashes, and security performance is good in the use.
3, the utility model device has simple in structure, processing and use cost low (unique running stores cydariform copper packing is an industrial standard spare in the equipment, about 0.1 yuan of market price/only) and convenience operation, can use running water to cool off;
4, because powerful fastening force and the copper packing good ductility of screw thread, the anchor clamps favorable sealing property in this device is all not high to the requirement of the dimensional accuracy of coupon processing and surface quality.With
The internal diameter anchor clamps are example, and the coupon diameter exists
But between equal excellent sealings;
5, because the brass fusing point is higher, can be in the directional solidification process because of the loss of seal function of being heated, so the utility model device can be used for comprising the directional solidification experiment of the various metals of high-melting-point alloy.
Description of drawings
Fig. 1 is the utility model apparatus structure schematic diagram.
Fig. 2 is the utility model clamp structure front view.
Fig. 3 is the utility model clamp structure left view.
Among the figure: 1. coupon; 2. cydariform copper packing; 3. anchor clamps loam cake; 4. fixed support; 5. set bolt; 6. anchor clamps; 7. flowmeter; 8. water valve; 9. side pipe; 10. manage down; 11. last pipe.
The specific embodiment
As Figure 1-3, the direct-cooled device of closed current that the utility model is used for directional solidification mainly comprises: coupon 1, cydariform copper (brass) pad 2, anchor clamps loam cake 3, fixed support 4, set bolt 5, anchor clamps 6, flowmeter 7, water valve 8, side pipe 9 etc., and concrete structure is as follows:
The end inwall of pipe 11 is corresponding with cydariform copper packing 2 on the anchor clamps, coupon 1 extends the anchor clamps 6 from last pipe 11 ends, cydariform copper packing 2 places between the end inwall of pipe 11 on coupon 1 and the anchor clamps, anchor clamps loam cake 3 covers are buckled in the cydariform copper packing 2 and last pipe 11 outsides, anchor clamps loam cake 3 is fastening by being threaded with last pipe 11, thereby realizes sealing.
In the utility model, on manage 11 ends inwall be inner conical surface or Internal Spherical Surface, the opening of inner conical surface or Internal Spherical Surface is for becoming big from bottom to top gradually.
The utility model is used for the direct-cooled method of closed current of directional solidification, current flow into from following pipe 10 ends of anchor clamps 6, flow out through side pipe 9 ends, coupon 1 directly immerses in the current, cooling water flows in the pipeline of sealing, directly cool off coupon 1 by quick flowing water flow, thereby obtain higher thermograde.By the fastening of set bolt 4 with unclamp, can realize the pull and the quenching of coupon; Can realize the control of cooling rate by regulating water flow.Specific as follows:
1. coupon clamping and sealing
The assembly structure of device after coupon 1 lower end puts cydariform copper packing 2 and anchor clamps loam cake 3 successively, inserts anchor clamps 6, and tightens anchor clamps loam cake 3 on anchor clamps 6 by screw thread as shown in Figure 1, compresses cydariform copper packing 2, thereby realizes the fit sealing and the clamping of coupon 1; Directional solidification is turned on anchor clamps loam cake 3 after finishing, and can take out coupon 1.
2. the fixing and quenching of anchor clamps
Withstand anchor clamps 6 by the set bolt on the fixed support 45, realize the fixing of anchor clamps 6, and move up and down, thereby realize the coupon pull action that directional solidification is required by motor and transmission mechanism drive fixed support 4.When needs carry out the coupon quenching, unclamp set bolt 5, make in the quenching liquid of anchor clamps 6 below coupon 1 is fallen under the gravity effect.
3. water flow is regulated
The cooling effect of this device and current size are closely related, by assembling water valve 8 and flowmeter 7 on water inlet pipe, and the size of controllable flow flow, thereby the adjusting and the control of realization cooling velocity.
Embodiment
In the present embodiment, the material of coupon is a nickel base superalloy, and the coupon diameter is
The heating-up temperature of coupon is 1600 ℃, and water flow is 0.8m
3/ h, the thermograde of coupon cooling can reach 400 ℃/cm, can obtain directional effect good high-temperature alloy graining tissue.
Claims (4)
1. the direct-cooled device of closed current that is used for directional solidification is characterized in that this device is provided with coupon, cydariform copper packing, anchor clamps loam cake, anchor clamps, side pipe, and concrete structure is as follows:
Anchor clamps are communicated with the integrative-structure that forms threeway by the side pipe that is positioned at the side, the following pipe that is positioned at the bottom, the superposed pipe of going up, and the end of side pipe is the water side, and the end of following pipe is a water inlet end; The end inwall of pipe is corresponding with the cydariform copper packing on the anchor clamps, coupon extends the anchor clamps from last tube end, and the cydariform copper packing places between the end inwall of pipe on coupon and the anchor clamps, and housing is buckled in the cydariform copper packing and the last pipe outside on the anchor clamps, the anchor clamps loam cake is fastening by being threaded with last pipe, forms sealing.
2. according to the described direct-cooled device of closed current that is used for directional solidification of claim 1, it is characterized in that, at last pipe arranged outside fixed support, set bolt, set bolt passes fixed support and holds fixed support on last pipe, and set bolt and fixed support are by being threaded.
3. according to the described direct-cooled device of closed current that is used for directional solidification of claim 1, it is characterized in that the inwall of last tube end is inner conical surface or Internal Spherical Surface, the opening of inner conical surface or Internal Spherical Surface is for becoming big from bottom to top gradually.
4. according to the described direct-cooled device of closed current that is used for directional solidification of claim 1, it is characterized in that, be provided with flowmeter, water valve on the pipe down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206511474U CN201906815U (en) | 2010-12-09 | 2010-12-09 | Seal type water current direct cooling for directional solidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206511474U CN201906815U (en) | 2010-12-09 | 2010-12-09 | Seal type water current direct cooling for directional solidification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201906815U true CN201906815U (en) | 2011-07-27 |
Family
ID=44299025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206511474U Expired - Fee Related CN201906815U (en) | 2010-12-09 | 2010-12-09 | Seal type water current direct cooling for directional solidification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201906815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528003A (en) * | 2010-12-09 | 2012-07-04 | 中国科学院金属研究所 | Closed water flow direct-cooling device and method for directional solidification |
-
2010
- 2010-12-09 CN CN2010206511474U patent/CN201906815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528003A (en) * | 2010-12-09 | 2012-07-04 | 中国科学院金属研究所 | Closed water flow direct-cooling device and method for directional solidification |
| CN102528003B (en) * | 2010-12-09 | 2013-08-21 | 中国科学院金属研究所 | Closed water flow direct-cooling device and method for directional solidification |
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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: 20110727 Termination date: 20151209 |
|
| EXPY | Termination of patent right or utility model |