CN204269498U - A kind of die casting die material hot fatigue performance test device - Google Patents
A kind of die casting die material hot fatigue performance test device Download PDFInfo
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- CN204269498U CN204269498U CN201420760929.XU CN201420760929U CN204269498U CN 204269498 U CN204269498 U CN 204269498U CN 201420760929 U CN201420760929 U CN 201420760929U CN 204269498 U CN204269498 U CN 204269498U
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Abstract
The utility model discloses a kind of die casting die material hot fatigue performance test device, comprise device framework; Heating assembly, comprises the crucible filling aluminium liquid, arranges heating element outside crucible; Cooling unit, comprises water tank, cooling water pipeline and refrigerating gas pipeline; Control assembly; Locating assembly, comprises the driving mechanism being arranged on water tank and crucible top, and driving mechanism connects sample fixing device; Described sample fixing device comprises hollow sample, and sample inner chamber is provided with cooling duct; The utility model also comprises sample thermocouple temperature measuring apparatus.The beneficial effects of the utility model are: (1) adopts hollow sample, the logical chilled water in sample inside, and first jet release agent spraying more after the heating, fully simulate the working environment of mould reality, test process is truer, and test findings has more reference value; (2) sample thermocouple temperature measuring apparatus have recorded the temperature of sample from high temperature surface different distance, for the degree of depth in Temperature Distribution during analysis die casting real work and heat fatigue district is provided fundamental basis.
Description
Technical field
The utility model relates to metal material testing apparatus field, is specifically related to a kind of die casting die material hot fatigue performance test device.
Background technology
Heat fatigue is the main form that compression mod lost efficacy, and alloy pouring temperature is higher, and compression mod surface temperature is also higher, and compression mod thermal fatigue failure is more serious.Heat fatigue directly has influence on mold use life-span and die casting precision and cost, and therefore the thermal fatigue life of accurately predicting die casting die material is the basis of design long-life compression mod.Compression mod hot fatigue performance test method conventional at present mainly contains sheet specimens method and be full of cracks grading method (Uddeholm method), through heating (induction heating, resistance furnace or salt bath furnace) and circulating water, the thermal fatigue property of mold materials is assessed to sheet or bar-shaped solid sample, there is very big-difference in these two kinds of method testing environment and compression mod actual working environment, measuring accuracy is low, resultant error is large, can not with the thermal fatigue life of this accurately predicting die casting die material.
Notification number is that the Chinese patent of CN201378134Y discloses the general heat fatigue simulation test device of a kind of manufactured materials, be made up of frame, heating generator, control circuit and refrigeratory, the solid bar samples of this device induction heating, water-spraying control sample, the actual condition of test environment and compression mod is not inconsistent, and test result error is large; Notification number is that the Chinese patent of CN2859525Y discloses the Erosion of a kind of die casting die material in molten aluminum liquid state and thermal fatigue test apparatus, after this device aluminium liquid heats solid bar samples, adopt air cooling cooling samples, the actual condition of test environment and compression mod is not inconsistent yet, and test result is also inaccurate.
Summary of the invention
Problem to be solved in the utility model is, for the deficiency that above-mentioned proving installation exists, provides a kind of die casting die material hot fatigue performance test device fully can simulated compression mod actual working environment, improve heat fatigue measuring accuracy.
The utility model for the adopted technical scheme that solves the problem is: a kind of die casting die material hot fatigue performance test device, and comprising: device framework, device framework is provided with freeing port;
Heating assembly, comprises the body of heater being arranged on device framework base, and place SiC crucible in body of heater, crucible outer wall is provided with heating element, is contained with aluminium liquid in crucible;
Cooling unit, comprises water tank and cooling water pipeline, and water tank is disposed adjacent with crucible on device framework base, and the madial wall of water tank is provided with nozzle, and nozzle is communicated with cooling water pipeline by pipeline;
Locating assembly, comprises the driving mechanism being arranged on water tank and crucible top, and the axle head of driving mechanism arranges sample fixing device;
The joint that described sample fixing device comprises sample, flange, pipe and is connected with axle head, described sample is hollow sample, with Flange joint; Described pipe one end is connected with joint, one end and Flange joint, pipe and sample inner space; Described joint offers water inlet and water delivering orifice, water delivering orifice and circular pipe communicated, and water inlet is connected with conduit, and conduit, through pipe and flange, stretches into sample inner chamber;
Described cooling unit also comprises refrigerating gas pipeline, and the nozzle on described refrigerating gas pipeline and water tank, by pipeline communication, described device framework is also provided with exhausr port.
Described sample inside is provided with sample thermocouple temperature measuring apparatus, and crucible is built with aluminium liquid thermocouple temperature measuring apparatus, and aluminium liquid thermocouple temperature measuring apparatus immerses in aluminium liquid.
Described die casting die material hot fatigue performance test device also comprises control assembly, control assembly comprise control box, main control system, with heat the assembly heating control circuit, the positioning control circuit be connected with locating assembly and the cooling control circuit be connected with cooling unit that are connected.
Described joint and pipe, pipe and flange, flange all adopt with sample and are threaded.
Described driving mechanism is made up of horizontal drive mechanism, upright driving mechanism, casing and the electronic inductor be arranged on device framework, the first worm gearing that horizontal drive mechanism comprises level motor and is connected with level motor, the two ends of described first worm gearing are arranged on device framework; The second worm gearing that upright driving mechanism comprises vertical motor and is connected with vertical motor, described second worm gearing and the first worm gearing are that cross is crisscross arranged, staggered place is arranged in casing, and the axle head of the second worm gearing connects sample fixing device.
The beneficial effects of the utility model are: 1, adopt hollow sample testing, the logical chilled water in sample inside, first jet release agent spraying again after heating, fully simulate the environment of die casting in industrial actual production, improve measuring accuracy, test result error is little, can predict the thermal fatigue life of die casting die material more accurately, for design long-life compression mod provides theoretical foundation.2, sample thermocouple temperature measuring apparatus have recorded the temperature from high temperature surface different distance of sample in heat fatigue test process, for the degree of depth in Temperature Distribution when analyzing die casting real work and heat fatigue district is provided fundamental basis.3, adopt Programmable Logic Controller and Industrial Computer Control system, automatically control the execution of compression mod heat fatigue test process, ensure that the precision of test result, also save a large amount of manpowers simultaneously.
Accompanying drawing explanation
Fig. 1 is the floor map of a specific embodiment of the present utility model.
Fig. 2 is the structural representation of sample fixing device 13.
Wherein: 1, vertical motor; 2, level motor; 3, the first worm gearing; 4, the second worm gearing; 5, device framework; 6, electronic inductor; 7, exhausr port; 8, freeing port; 9, sample thermocouple temperature measuring apparatus; 10, aluminium liquid thermocouple temperature measuring apparatus; 11, water inlet pipe; 12, outlet conduit; 13, sample positioning device; 14, body of heater; 15, heating element; 16, crucible; 17, aluminium liquid; 18, bell; 19, water tank; 20, casing; 21, nozzle; 22, cooling water pipeline; 23, refrigerating gas pipeline; 24, control box; 25, main control system; 26, sample; 27, joint; 271, water inlet; 272, water delivering orifice; 28, flange; 29, pipe; 30, conduit.
Embodiment
In order to better understand the utility model, below in conjunction with the drawings and specific embodiments, the utility model is further described.
A kind of die casting die material hot fatigue performance test device as shown in Figure 1, comprise device framework 5, device framework 5 is provided with exhausr port 7 and freeing port 8, and device framework 5 is also provided with electronic inductor 6, to gather the locus of sample 26.
Heating assembly, comprises the body of heater 14(being arranged on device framework 5 base and is incubated crucible 16), body of heater 14 is arranged bell 18, SiC crucible 16 is placed in body of heater 14, crucible 16 outer wall is provided with heating element 15, is contained with aluminium liquid 17 in crucible 16, heats aluminium liquid 17 after heating element 15 is energized.
Cooling unit, comprise water tank 19, cooling water pipeline 23 and refrigerating gas pipeline 22, water tank 19 is disposed adjacent with crucible 16 on device framework 5 base, the madial wall of water tank 19 is provided with nozzle 21, nozzle 21 is communicated with cooling water pipeline 23, refrigerating gas pipeline 22 respectively, and cooling water pipeline 23 is provided with electromagnetic water valve, and inside passes into water and makes release agent, refrigerating gas pipeline 22 is provided with electromagnetic gas valve, and inside passes into gas.
Locating assembly, is made up of horizontal drive mechanism and upright driving mechanism, and the two ends of the first worm gearing 3, first worm gearing 3 that horizontal drive mechanism comprises level motor 2 and is connected with level motor 2 are arranged on device framework 5; The second worm gearing 4 that upright driving mechanism comprises vertical motor 1 and is connected with vertical motor 1, described second worm gearing 4 and the first worm gearing 3 are crisscross arranged in cross, staggered place is arranged in casing 20, sample fixing device 13 is connected at the axle head of the second described worm gearing 4, casing 20 is driven to move by horizontal drive mechanism and upright driving mechanism, casing 20 moves and drives sample to move, the position of adjusting sample 26 in aluminium liquid 17 and water tank 19.
As shown in Figure 2, the joint 27 that sample fixing device 13 comprises sample 26, flange 28, pipe 29 and is connected with the second worm gearing 4 axle head, described sample 26 inner hollow, is threaded connection with flange 28; Described joint 27 offers water inlet 271 and water delivering orifice 272, water delivering orifice 272 is communicated with pipe 29 (water delivering orifice 272 outside is communicated with outlet conduit 12), water inlet 271 is connected with conduit 30(water inlet 271 outside and is communicated with water inlet pipe 11), conduit 30 is through pipe 29 and flange 28, stretching into the inner chamber of sample 26, providing chilled water as entering aquaporin for sample 26; Described pipe 29 one end is connected with joint 27, and one end is connected with flange 28, and pipe 29 and sample 26 inner space, for sample 26 provides aquaporin; Joint 27 and pipe 29, pipe 29 all adopt with flange 28 and are threaded.
Described sample 26 inside is provided with sample thermocouple temperature measuring apparatus 9, to be used for gathering in heat fatigue test process sample 26 from the temperature of high temperature surface different distance; Crucible 16 is built with aluminium liquid thermocouple temperature measuring apparatus 10, and aluminium liquid thermocouple temperature measuring apparatus 10 is immersed in aluminium liquid 17, the temperature of Real-Time Monitoring aluminium liquid 17.
Described die casting die material hot fatigue performance test device also comprises control assembly, control assembly comprise control box 24, main control system 25, with heat the assembly heating control circuit, the positioning control circuit be connected with locating assembly and the cooling control circuit be connected with cooling unit that are connected, the heat fatigue test process of sample 26 controls automatically by controlling assembly.
The detailed process utilizing the utility model to test the thermal fatigue property of die casting die material comprises following step:
Step 1, start power supply and main control system 25, jet time in water tank 19 of the heating-up temperature of setting aluminium liquid 17, the soak time of sample 26 in aluminium liquid 17, sample 26 and release agent spraying time, heat fatigue cycle index (sample 26 complete heating process, jet and release agent spraying cooling procedure be a heat fatigue test);
Step 2, immerse the degree of depth of aluminium liquid 17 according to sample 26 and enter the position of the jet water spray of water tank 19, electronic inductor 6 is utilized to gather the desired location of sample 26 at vertical direction and horizontal level, (sample 26 initial position is above aluminium liquid 17 to regulate horizontal drive mechanism and upright driving mechanism, namely aluminium liquid 17 is upper), in main control system 25, set driving mechanism translational speed and route;
Step 3, enters test mode after starting the aluminium liquid 17 in heating control circuit heating crucible 16;
Step 4, continue to pass into chilled water in sample 26 inside, when the temperature of aluminium liquid thermocouple temperature measuring apparatus 10 display is consistent with the desired temperature of aluminium liquid 17, start positioning control circuit, control upright driving mechanism just sample 26 drops to the desired location aluminium liquid 17 from initial position, mention the soak time of disengaging aluminium liquid 17(sample 26 in aluminium liquid 17 fast and determine according to actual conditions after soaking about 0 ~ 30s); Utilize sample thermocouple temperature measuring apparatus 9 to record the temperature of sample 26 and high temperature surface different distance in heat fatigue test process simultaneously;
Step 5, sample 26 is moved to water tank 19 top position by level of control driving mechanism, then control vertical motor 1 and sample 26 is dropped to its desired location water tank 19 from water tank 19 is upper, start cooling control circuit, open electromagnetic gas valve spray gases at high pressure, after 0 ~ 3s, close electromagnetic gas valve (jet time is determined according to actual conditions);
Step 6, open electromagnetic water valve release agent spraying, close electromagnetic water valve (water spraying time is determined according to actual conditions) after 0 ~ 10s, controlling vertical motor 1, that sample 26 is risen to water tank from water tank bottom is upper, it is upper that sample 26 is moved horizontally to aluminium liquid 17 by level motor 2, completes and once circulate;
Step 7, repeats step 4-6, until reach the cycle index of setting.
In the utility model, the movement travel of upright driving mechanism is 0 ~ 40cm, and the traveling time on vertical direction is 0 ~ 2s; The movement travel of horizontal drive mechanism is 0 ~ 100cm, and the traveling time in horizontal direction is 0 ~ 2s; The utility model can be used for the thermal fatigue test of various die casting die material, and sample 26 also first surface treatment can carry out heat fatigue test again.
The foregoing is only embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a die casting die material hot fatigue performance test device, comprising: device framework, device framework is provided with freeing port;
Heating assembly, comprises the body of heater being arranged on device framework base, and place SiC crucible in body of heater, crucible outer wall is provided with heating element, is contained with aluminium liquid in crucible;
Cooling unit, comprises water tank and cooling water pipeline, and water tank is disposed adjacent with crucible on device framework base, and the madial wall of water tank is provided with nozzle, and nozzle is communicated with cooling water pipeline by pipeline;
Locating assembly, comprises the driving mechanism being arranged on water tank and crucible top, and the axle head of driving mechanism arranges sample fixing device, it is characterized in that,
The joint that described sample fixing device comprises sample, flange, pipe and is connected with axle head, described sample is hollow sample, with Flange joint; Described pipe one end is connected with joint, one end and Flange joint, pipe and sample inner space; Described joint offers water inlet and water delivering orifice, water delivering orifice and circular pipe communicated, and water inlet is connected with conduit, and conduit, through pipe and flange, stretches into sample inner chamber;
Described cooling unit also comprises refrigerating gas pipeline, and the nozzle on described refrigerating gas pipeline and water tank, by pipeline communication, described device framework is also provided with exhausr port.
2. a kind of die casting die material hot fatigue performance test device as claimed in claim 1, it is characterized in that, described sample inside is provided with sample thermocouple temperature measuring apparatus, is provided with aluminium liquid thermocouple temperature measuring apparatus in crucible, and aluminium liquid thermocouple temperature measuring apparatus immerses in aluminium liquid.
3. a kind of die casting die material hot fatigue performance test device as claimed in claim 1, it is characterized in that, also comprise control assembly, control assembly comprise control box, main control system, with heat the assembly heating control circuit, the positioning control circuit be connected with locating assembly and the cooling control circuit be connected with cooling unit that are connected.
4. a kind of die casting die material hot fatigue performance test device as claimed in claim 1, is characterized in that, described joint and pipe, pipe and flange, flange all adopt with sample and be threaded.
5. a kind of die casting die material hot fatigue performance test device as claimed in claim 1, it is characterized in that, described driving mechanism is made up of horizontal drive mechanism, upright driving mechanism, casing and the electronic inductor be arranged on device framework, the first worm gearing that horizontal drive mechanism comprises level motor and is connected with level motor, the two ends of the first worm gearing are arranged on device framework; The second worm gearing that upright driving mechanism comprises vertical motor and is connected with vertical motor, described second worm gearing and the first worm gearing are that cross is crisscross arranged, staggered place is arranged in casing, and the axle head of the second worm gearing connects sample fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760929.XU CN204269498U (en) | 2014-12-05 | 2014-12-05 | A kind of die casting die material hot fatigue performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760929.XU CN204269498U (en) | 2014-12-05 | 2014-12-05 | A kind of die casting die material hot fatigue performance test device |
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| Publication Number | Publication Date |
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| CN204269498U true CN204269498U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420760929.XU Expired - Fee Related CN204269498U (en) | 2014-12-05 | 2014-12-05 | A kind of die casting die material hot fatigue performance test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458474A (en) * | 2014-12-05 | 2015-03-25 | 武汉科技大学 | Device for testing thermal fatigue of die-casting mold |
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN105758758A (en) * | 2016-02-29 | 2016-07-13 | 江苏科技大学 | Thermal fatigue testing machine |
| CN107014855A (en) * | 2017-05-23 | 2017-08-04 | 中国石油天然气集团公司 | A kind of tubing heat treatment experiment device |
| CN110672651A (en) * | 2019-09-29 | 2020-01-10 | 浙江大学 | Thermal fatigue test device for material test piece of die casting die |
| CN111157566A (en) * | 2020-01-03 | 2020-05-15 | 北京科技大学 | Multifunctional full-automatic material thermal fatigue testing machine |
-
2014
- 2014-12-05 CN CN201420760929.XU patent/CN204269498U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458474A (en) * | 2014-12-05 | 2015-03-25 | 武汉科技大学 | Device for testing thermal fatigue of die-casting mold |
| CN104458474B (en) * | 2014-12-05 | 2017-02-22 | 武汉科技大学 | Device for testing thermal fatigue of die-casting mold |
| CN105758758A (en) * | 2016-02-29 | 2016-07-13 | 江苏科技大学 | Thermal fatigue testing machine |
| CN105758758B (en) * | 2016-02-29 | 2019-03-29 | 江苏科技大学 | A kind of thermal fatigue tester |
| CN105738111A (en) * | 2016-04-18 | 2016-07-06 | 浙江金盾科技股份有限公司 | Endurance testing machine for wheel bearing |
| CN107014855A (en) * | 2017-05-23 | 2017-08-04 | 中国石油天然气集团公司 | A kind of tubing heat treatment experiment device |
| CN110672651A (en) * | 2019-09-29 | 2020-01-10 | 浙江大学 | Thermal fatigue test device for material test piece of die casting die |
| CN110672651B (en) * | 2019-09-29 | 2020-09-25 | 浙江大学 | Thermal fatigue test device for material test piece of die casting die |
| CN111157566A (en) * | 2020-01-03 | 2020-05-15 | 北京科技大学 | Multifunctional full-automatic material thermal fatigue testing machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161205 |