CN220508899U - Quenching oil performance evaluation test device - Google Patents
Quenching oil performance evaluation test device Download PDFInfo
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- CN220508899U CN220508899U CN202322095336.8U CN202322095336U CN220508899U CN 220508899 U CN220508899 U CN 220508899U CN 202322095336 U CN202322095336 U CN 202322095336U CN 220508899 U CN220508899 U CN 220508899U
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- quenching
- electric heating
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- heating oil
- crucible
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- 230000000171 quenching effect Effects 0.000 title claims abstract description 95
- 238000010791 quenching Methods 0.000 title claims abstract description 94
- 238000011156 evaluation Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000005485 electric heating Methods 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model provides a quenching oil performance evaluation test device which comprises an electric heating oil groove, a quenching crucible and a bracket cage, wherein an electric heating coil is arranged at the bottom of the electric heating oil groove, and the electric heating oil groove is used for bearing quenching liquid to be evaluated; the quenching crucible is used for bearing the workpiece through the bracket cage so as to calcine the workpiece in the heating furnace; the bracket cage is used for bearing the workpiece so as to be placed in the quenching crucible and calcine the workpiece in the heating furnace; the bracket cage is also used for integrally placing the calcined workpiece into an electric heating oil groove for quenching. By adding a proper amount of quenching liquid to be evaluated and tested into the electric heating oil tank, after the workpiece is completely calcined, the workpiece is integrally placed into the electric heating oil tank for quenching, and after quenching is finished, all properties of the workpiece are detected and evaluated, so that the performance of the quenching oil is indirectly evaluated and tested, the obtained evaluation result accords with the actual use condition, and the oil waste is small.
Description
Technical Field
The utility model relates to the field of quenching test equipment, in particular to a quenching oil performance evaluation test device.
Background
In the metal processing technology, in order to improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of a metal part, thereby meeting the different use requirements of various mechanical parts and tools, the metal part needs to be quenched. The quenching is a heat treatment process method which heats the part to above a critical temperature, keeps the temperature for a certain time and then cools the part at a cooling speed which is higher than the critical cooling speed, thereby obtaining an unbalanced structure which mainly comprises martensite (bainite is also obtained or single-phase austenite is kept according to the requirement), and the quenching is the most widely applied industrial process method in the heat treatment process.
In the automobile production link, especially in the work pieces such as the axle bearing, the quenching technology is indispensable. The quenching liquid is water-based quenching liquid and oil-based quenching liquid. The water-based quenching liquid is high in cooling speed, so that a workpiece is easy to crack; the oil-based quenching liquid is low in cooling speed, poor in quenching effect and inflammable. Different workpieces have different requirements on quenching liquid. Usually, the evaluation of the quenching liquid is mainly completed through basic physicochemical properties and GB/T30823 cooling performance, however, the theoretical evaluation has a larger difference from the actual use conditions; the production device is directly used for verifying the quenching liquid, one quenching tank at least needs three and five tons of quenching liquid, the quality of oil is not too high, and the problems of workpiece damage, great oil waste and the like can be caused.
Disclosure of Invention
The utility model mainly aims to provide a quenching oil performance evaluation test device, which at least solves the problems that in the prior art, theoretical evaluation of quenching oil cooling performance is greatly different from actual use conditions, and a large amount of oil is wasted due to the fact that an actual production device is directly adopted to verify the quenching oil cooling performance.
In order to achieve the above object, the present utility model provides a quenching oil performance evaluation test apparatus comprising: the electric heating oil tank is provided with an electric heating coil pipe at the bottom and is used for bearing quenching liquid to be evaluated; the quenching crucible is used for bearing the workpiece through the bracket cage so as to calcine the workpiece in the heating furnace; the bracket cage is used for bearing the workpiece to be placed in the quenching crucible and calcining the workpiece in the heating furnace; the bracket cage is also used for integrally placing the calcined workpiece into an electric heating oil groove for quenching.
Further, the material of the electric heating oil groove is carbon steel or stainless steel.
Further, a temperature sensor is arranged on the inner wall of the electric heating oil tank and used for monitoring the temperature of quenching liquid in the electric heating oil tank.
Further, the quenching crucible is made of high-temperature resistant ceramics.
Further, the bracket cage is made of one of stainless steel, cast iron or steel bars.
Further, the electric heating oil groove and the quenching crucible are of a barrel-shaped structure, and the bracket cage is of a cylindrical mesh cage body structure; the diameter of the bracket cage is smaller than that of the electric heating oil groove.
The quenching oil performance evaluation test device comprises an electric heating oil groove, a quenching crucible and a bracket cage, wherein an electric heating coil is arranged at the bottom of the electric heating oil groove, and the electric heating oil groove is used for bearing quenching liquid to be evaluated; the quenching crucible is used for bearing the workpiece through the bracket cage so as to calcine the workpiece in the heating furnace; the bracket cage is used for bearing the workpiece so as to be placed in the quenching crucible and calcine the workpiece in the heating furnace; the bracket cage is also used for integrally placing the calcined workpiece into an electric heating oil groove for quenching. By adding a proper amount of quenching liquid to be evaluated and tested into the electric heating oil tank, after the workpiece is completely calcined, the workpiece is integrally placed into the electric heating oil tank for quenching, and after quenching is finished, all properties of the workpiece are detected and evaluated, so that the performance of the quenching oil is indirectly evaluated and tested, the obtained evaluation result accords with the actual use condition, and the oil waste is small. The problems that in the prior art, a large gap exists between theoretical evaluation quenching liquid cooling performance and actual use working conditions, and a large amount of oil is wasted due to the fact that the actual production device is directly adopted to verify the quenching liquid cooling performance are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of an alternative quenching oil performance evaluation test apparatus according to an embodiment of the present utility model.
Wherein the above figures include the following reference numerals:
10. an electrical heating oil tank; 11. an electrical heating coil; 12. a temperature sensor; 20. quenching the crucible; 30. and (5) a bracket cage.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The quenching oil performance evaluation test device comprises an electric heating oil tank 10, a quenching crucible 20 and a bracket cage 30, wherein an electric heating coil is arranged at the bottom of the electric heating oil tank 10, and the electric heating oil tank 10 is used for bearing quenching liquid to be evaluated; the quenching crucible 20 is used for carrying a workpiece through the bracket cage 30 to calcine the workpiece in the heating furnace; the support cage 30 is used for carrying the workpiece to be placed in the quenching crucible 20 and calcining the workpiece in the heating furnace; the support cage 30 also serves to put the calcined workpiece as a whole into the electric heating oil bath 10 for quenching. By adding a proper amount of quenching liquid to be evaluated into the electric heating oil tank 10, after the workpiece is completely calcined, the workpiece is integrally placed into the electric heating oil tank 10 for quenching, and after quenching is finished, all properties of the workpiece are detected and evaluated, so that the performance of the quenching oil is indirectly evaluated and tested, the obtained evaluation result accords with the actual use condition, and the oil waste is small. The problems that in the prior art, a large gap exists between theoretical evaluation quenching liquid cooling performance and actual use working conditions, and a large amount of oil is wasted due to the fact that the actual production device is directly adopted to verify the quenching liquid cooling performance are solved.
In particular, the electrically heated oil sump 10 is made of carbon steel or stainless steel. The temperature sensor 12 is arranged on the inner wall of the electric heating oil tank 10, and the temperature sensor 12 is used for monitoring the temperature of the quenching liquid in the electric heating oil tank 10, so that the temperature of the quenching liquid in the electric heating oil tank 10 can be accurately monitored and controlled.
Further, the quenching crucible 20 is made of high-temperature resistant ceramics, the quenching crucible 20 is a solid bottom crucible, workpieces with larger volumes can be directly placed in the quenching crucible 20 or placed in the support cage 30, workpieces with smaller volumes are placed in the support cage 30, and the workpieces can be prevented from being deformed due to stress in the calcining process when placed in the support cage 30.
The bracket cage 30 is made of one of stainless steel, cast iron or steel bars; the electric heating oil tank 10 and the quenching crucible 20 are of a barrel-shaped structure, and the bracket cage 30 is of a cylindrical mesh cage body structure; the diameter of the holder cage 30 is smaller than the diameters of the electric heating oil bath 10 and the quenching crucible 20, alternatively, the diameter of the holder cage 30 is smaller than the diameter of the electric heating oil bath 10 or the quenching crucible 20 by about 5 to 10cm, so that the holder cage 30 can be smoothly put into the electric heating oil bath 10 or lifted and smoothly put into or taken out of the quenching crucible 20 as a whole. The bracket cage 30 can be used for placing workpieces in a single layer or multiple layers, has higher heat resistance stability and is not easy to deform when heated; the upper part of the bracket cage 30 is provided with a handle, and the bottom is grid-shaped to reduce the weight and facilitate the lifting movement.
The specific operation and use steps of the quenching oil performance evaluation test device in the embodiment of the utility model are as follows:
firstly, the electric heating oil tank 10 is cleaned by petroleum ether or other organic solvents before the test, a proper amount of quenching liquid is accurately weighed and added into the electric heating oil tank 10, a heating switch is started, and the heating temperature of the electric heating oil tank 10 is set. The temperature sensor 12 monitors the oil temperature in real time, and keeps constant temperature for standby when the temperature reaches the set temperature.
Secondly, test workpieces with clean surfaces are placed in the support cages 30 one by one, and the test workpieces are placed symmetrically, so that the test workpieces are prevented from sliding and falling off when being lifted.
Thirdly, the bracket cage 30 is lifted and slowly placed into the quenching crucible 20, and the lifting process is stable.
Fourth, the quenching crucible 20 with the workpiece placed thereon is fed into a heating furnace, and the workpiece is processed according to the process requirements such as heat treatment and carburization.
Fifth, the heat-treated quenching crucible 20 is removed from the heating furnace, and the support cage 30 is lifted and precisely placed in the electric heating oil bath 10 for quenching treatment.
Sixth, after quenching is completed, the bracket cage 30 is lifted out of the electric heating oil tank 10 and placed in a specified place for cooling.
Seventh, each property of the workpiece is detected as required, so that the property of the quenching liquid is indirectly evaluated.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A quenching oil performance evaluation test device is characterized by comprising:
the electric heating oil tank (10), wherein an electric heating coil (11) is arranged at the bottom of the electric heating oil tank (10), and the electric heating oil tank (10) is used for bearing quenching liquid to be evaluated;
a quenching crucible (20) for carrying the workpiece by a support cage (30) to calcine the workpiece in the heating furnace;
the bracket cage (30) is used for bearing a workpiece to be placed in the quenching crucible (20) and calcining the workpiece in the heating furnace;
the bracket cage (30) is also used for integrally placing the calcined workpiece into the electric heating oil groove (10) for quenching.
2. The quenching oil performance evaluation test apparatus as claimed in claim 1, wherein the material of the electric heating oil tank (10) is carbon steel or stainless steel.
3. The quenching oil performance evaluation test device according to claim 1, wherein a temperature sensor (12) is provided on the inner wall of the electric heating oil tank (10), and the temperature sensor (12) is used for monitoring the temperature of the quenching liquid in the electric heating oil tank (10).
4. The quenching oil performance evaluation test apparatus as claimed in claim 1, wherein the quenching crucible (20) is made of a high temperature resistant ceramic.
5. The quenching oil performance evaluation test apparatus as claimed in claim 1, wherein the bracket cage (30) is made of one of stainless steel, cast iron or steel bar.
6. The quenching oil performance evaluation test device according to claim 1, wherein the electric heating oil tank (10) and the quenching crucible (20) are of a cylindrical structure, and the bracket cage (30) is of a cylindrical mesh cage structure; the diameter of the bracket cage (30) is smaller than the diameter of the electric heating oil groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095336.8U CN220508899U (en) | 2023-08-05 | 2023-08-05 | Quenching oil performance evaluation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095336.8U CN220508899U (en) | 2023-08-05 | 2023-08-05 | Quenching oil performance evaluation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508899U true CN220508899U (en) | 2024-02-20 |
Family
ID=89874955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095336.8U Active CN220508899U (en) | 2023-08-05 | 2023-08-05 | Quenching oil performance evaluation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508899U (en) |
-
2023
- 2023-08-05 CN CN202322095336.8U patent/CN220508899U/en active Active
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