CN103454133B - Macroscopic corrosion test device - Google Patents
Macroscopic corrosion test device Download PDFInfo
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- CN103454133B CN103454133B CN201310365028.0A CN201310365028A CN103454133B CN 103454133 B CN103454133 B CN 103454133B CN 201310365028 A CN201310365028 A CN 201310365028A CN 103454133 B CN103454133 B CN 103454133B
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Abstract
The invention discloses a kind of macroscopic corrosion test device, including the drive mechanism for transmitting sample, be arranged at the etching tank below described drive mechanism and be arranged at the corrosion shower nozzle above described drive mechanism, described corrosion shower nozzle and etching tank are oppositely arranged；The side of described corrosion shower nozzle is provided with clear water shower nozzle, and the side of described etching tank is provided with Rinsing Area, and described clear water shower nozzle and Rinsing Area are oppositely arranged。A kind of macroscopic corrosion test device provided by the invention can realize the automatization of macroscopic test process, standardization；Improve the controllability of test parameters, can Control experiment etch at the trial, washing time, it is to avoid in etch process, test by erosion not exclusively or excessive erosion, improves the precision of test；The sample quantities can placed during experiment increases, and improves the efficiency of experiment；Improve the safety of test。
Description
Technical field
The present invention relates to material Physico-chemical tests analysis field, particularly relate to a kind of macroscopic corrosion test device。
Background technology
In measuring for materials, low power analyzes the main method as detection metal structure defect, has irreplaceable important function。Analyzing in various method for making sample in low power, most widely used is etch, and it refers to the method corroding to appear its macrostructure to the test button cross section through polishing degreasing with acid or other reagent。
Specify according to metallographic macroscopic test standard GB226-1991, each link of experiment process is analyzed, design macroscopic test flow process。With reference to Fig. 1, it is macro-etching experiment process schematic diagram。First coarse micro-grain sample is put into etching tank, then corrosive liquid is put into etching tank, until corrosive liquid did not have specimen surface, corrosion is to the macrostructure and defect of accurately display sample, take out sample, and scrub specimen surface while rinsing with clear water, finally observe whether sample has macrostructure defect。
Current test chamber adopts original operational approach to carry out metal macroscopic test, all needs manual operation, including picking and placeing sample in all processes of test。When running into large dimension specimen, not only waste time and energy, and dangerous in handling process。In above-mentioned flow process, although operator wear protective gloves, but rubber gloves easily breaks because of corrosion or external force factor, in the process that test button is picked and placeed from etching solution, once sample slips, there is also etching solution and spill the danger hurted sb.'s feelings, certain potential safety hazard is existed for operator。
Summary of the invention
In view of this, it is an object of the invention to propose a kind of macro-etching testing equipment, solve the problem that macro-etching experimental safe hidden danger is big, automaticity is low。
Including the drive mechanism for transmitting sample based on above-mentioned purpose macroscopic corrosion test device provided by the invention, be arranged at the etching tank below described drive mechanism and be arranged at the corrosion shower nozzle above described drive mechanism, described corrosion shower nozzle and etching tank are oppositely arranged；The side of described corrosion shower nozzle is provided with clear water shower nozzle, and the side of described etching tank is provided with Rinsing Area, and described clear water shower nozzle and Rinsing Area are oppositely arranged。
Alternatively, described drive mechanism includes driving motor, the axis of rolling being connected with described driving motor and the many power transmission shafts with described axis of rolling engaged transmission, the equal level of described power transmission shaft is installed, and the described axis of rolling simultaneously drives many power transmission shafts and rotates together, so that sample moves on power transmission shaft。
It is preferred that be provided with multiple rolling bearing on the described axis of rolling, each rolling bearing engages with the travelling gear of end part of driving shaft respectively, and the axis of rolling and power transmission shaft substantially vertical。
Preferably, described macroscopic corrosion test device also includes corrosion spray motor and connects described etching tank and the corrosion pipeline of corrosion shower nozzle, described spray motor is for pumping into corrosion pipeline by the corrosive liquid in etching tank, and the corrosive liquid in corrosion pipeline is through corrosion shower nozzle ejection。
Preferably, the opposite side of described clear water shower nozzle is provided with hairbrush hydro-peening shower nozzle and hairbrush, and the opposite side of described Rinsing Area is provided with spray tank, and described hairbrush hydro-peening shower nozzle and spray tank are oppositely arranged, and described hairbrush is connected with hair brush motor。
Preferably, described clear water shower nozzle is connected with extraneous clear water each through pipeline with hairbrush hydro-peening shower nozzle, is provided with rapid heater in the described pipeline being connected with hairbrush hydro-peening shower nozzle 3。
Preferably, the bottom of described spray tank has liquid outlet, and the clear water for drip washing is crossed sample discharges spray tank；The bottom of described Rinsing Area has discharge outlet, and the clear water for drip washing is crossed sample discharges Rinsing Area。
Alternatively, described hair brush motor is connected with converter, and converter is by the 3rd main contacts and the series connection of the second air-break, and the second air-break is connected with live wire, and converter is connected with zero line；Described corrosion spray motor and the first main contacts are connected, rapid heater and the second main contacts are connected, corrosion spray motor, rapid heater are all connected with zero line, and the first main contacts, the second main contacts are all connected with the first air-break, and the first air-break is connected with live wire。
It is preferred that described driving motor is connected with speed regulator, speed regulator is connected with fuse by the first switch, and fuse is connected with live wire simultaneously, and speed regulator is connected with zero line；Second switch and the 3rd switch series connection, the 3rd switch is connected with first coil with the 4th contact shunt, and first coil is connected with zero line；4th switch and the second coils connected in series, the second coil is connected with zero line；5th switch is connected with tertiary coil, and tertiary coil is connected with zero line；And, second switch, the 4th switch, the 5th switch are all connected with the first switch。
Preferably, it is in parallel that described first coil starts display lamp with first, and it is in parallel that described second coil and second starts display lamp, and it is in parallel that described tertiary coil and the 3rd starts display lamp。
From the above it can be seen that a kind of macroscopic corrosion test device provided by the invention can realize the automatization of macroscopic test process, standardization；Improve the controllability of test parameters, can Control experiment etch at the trial, washing time, it is to avoid in etch process, test by erosion not exclusively or excessive erosion, improves the precision of test；The sample quantities can placed during experiment increases, and improves the efficiency of experiment；Improve the safety of test, when carrying out macro-etching test, the burn into of sample washes away and cleans and all carries out in device, it is to avoid operator contact acid caustic corrosion liquid in process of the test, improves safety；Reduce manpower consumption, because macro-etching test carries out in a device, it is to avoid in process of the test, repeat carrying sample for observing specimen surface corrosion condition；Reducing the pollution to environment, have defecator in gas extraction system, reduce amount and concentration that acid gas acid mist discharges in air, the waste water after cleaning in test is recyclable, reduces pollution。
Accompanying drawing explanation
Fig. 1 is macro-etching experiment process schematic diagram；
Fig. 2 is embodiment of the present invention macroscopic corrosion test device structural representation；
Fig. 3 is the structural representation of the drive mechanism of embodiment of the present invention macroscopic corrosion test device；
Fig. 4 is the circuit diagram of the controller of embodiment of the present invention macroscopic corrosion test device。
Wherein: 1, controller, 2, ventilation duct, 3, hairbrush hydro-peening shower nozzle, 4, hairbrush, 5, power transmission shaft, 6, driving motor, 7, corrosion spray motor, 8, hair brush motor, 9, the axis of rolling, 10, travelling gear, 11, rolling bearing, 12, etching tank, 13, Rinsing Area, 14, spray tank, 15, corrosion shower nozzle, 16, clear water shower nozzle。
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail。
Macroscopic corrosion test device provided by the invention includes the drive mechanism for transmitting sample, is arranged at the etching tank below described drive mechanism and is arranged at the corrosion shower nozzle above described drive mechanism, and described corrosion shower nozzle and etching tank are oppositely arranged；The side of described corrosion shower nozzle is provided with clear water shower nozzle, and the side of described etching tank is provided with Rinsing Area, and described clear water shower nozzle and Rinsing Area are oppositely arranged。
With reference to Fig. 2, it is embodiment of the present invention macroscopic corrosion test device structural representation。As one embodiment of the present of invention, described macroscopic corrosion test device includes the drive mechanism for transmitting sample, is arranged at the etching tank 12 below described drive mechanism and is arranged at the corrosion shower nozzle 15 above described drive mechanism, and described corrosion shower nozzle 15 and etching tank 12 are oppositely arranged；The side of described corrosion shower nozzle 15 is provided with clear water shower nozzle 16, and the side of described etching tank 12 is provided with Rinsing Area 13, and described clear water shower nozzle 16 and Rinsing Area 13 are oppositely arranged。Further, the opposite side of described clear water shower nozzle 16 is provided with hairbrush hydro-peening shower nozzle 3 and hairbrush 4, and the opposite side of described Rinsing Area 13 is provided with spray tank 14, and described hairbrush hydro-peening shower nozzle 3 and spray tank 14 are oppositely arranged, and described hairbrush 4 is connected with hair brush motor 8。The mode of corrosion sample is changed into spray by immersion, and during test, corrosive liquid is in flow regime, and corrosive liquid is not because affecting its concentration with specimen reaction, it is ensured that the uniformity of corrosive liquid, improves test accuracy。
In conjunction with Fig. 3, described drive mechanism includes driving motor 6, the axis of rolling 9 being connected with described driving motor 6 and the many power transmission shafts 5 with the described axis of rolling 9 engaged transmission, the equal level of described power transmission shaft 5 is installed, the described axis of rolling 9 simultaneously drives many power transmission shafts 5 and rotates together, so that sample moves on power transmission shaft 5。In this embodiment, rolling bearing 11 on the described axis of rolling 9 engages with the travelling gear 10 of power transmission shaft 5 end, and the axis of rolling 9 is substantially vertical with power transmission shaft 5, and rolling bearing 11 is also substantially vertical with travelling gear 10, namely the axis of rolling 9 is vertically arranged, and transmission shaft 5 is horizontally disposed。Under the drive of driving motor 6, the axis of rolling 9 rotates, and then drives power transmission shaft 5 to rotate along clockwise direction so that the sample on power transmission shaft sequentially enters corrosion region, cleaning area and hairbrush district from left to right。This axis of rolling 9 is provided with multiple rolling bearing 11, each rolling bearing 11 engages with respective travelling gear 10 respectively, so that the axis of rolling 9 can drive many power transmission shafts 5 to rotate together simultaneously, therefore driving motor 6 can simultaneously drive many power transmission shafts 5 and rotates simultaneously。
Preferably, gap should be left between power transmission shaft 5, for instance 1.5～3 centimetres, in order to ejecting liquid flows into the groove below power transmission shaft 5 by gap。
Alternatively, described macroscopic corrosion test device also includes corrosion spray motor 7 and connects described etching tank 12 and the corrosion pipeline of corrosion shower nozzle 15, equipped with corrosive liquid in etching tank 12, corrosive liquid is pumped in corrosion pipeline by spray motor 7, corrosive liquid in corrosion pipeline is through corrosion shower nozzle ejection, making the sample on corrosive liquid spray power transmission shaft 5, corrosive liquid flows into etching tank 12 once more, enables corrosive liquid to recycle。
Alternatively, the bottom of described Rinsing Area 13 has discharge outlet, and the clear water for drip washing is crossed sample discharges Rinsing Area 13。Described clear water can be provided by the external world, for instance tap water, and clear water shower nozzle 16 is connected with tap water by pipeline, and tap water enters this device by clear water shower nozzle 16 so that it is the sample on hydro-peening power transmission shaft 5。Hairbrush hydro-peening shower nozzle 3 is connected with extraneous clear water by pipeline, for instance tap water, and tap water enters this device by hairbrush hydro-peening shower nozzle 3 so that it is the sample on hydro-peening power transmission shaft 5, is removed the corrosion product of specimen surface by hairbrush 4 simultaneously。The bottom of described spray tank 14 has liquid outlet, and the clear water for drip washing is crossed sample discharges spray tank 14。Therefore, sample will rinse through burn into, scrub voluntarily, until being taken out by sample, overall process all carries out in macroscopic corrosion test device provided by the invention, it is not necessary to manual operation, reduce hand labor, arrive the automatization of process of the test。It is pointed out that and clear water can be divided into two-way, be respectively connected to clear water shower nozzle 16 and hairbrush hydro-peening shower nozzle 3。
Preferably, in the described pipeline being connected with hairbrush hydro-peening shower nozzle 3, it is also equipped with rapid heater, for quickly heating the clear water in this pipeline so that clear water is brought rapidly up to about 60 DEG C, then be hot water from the clear water of hairbrush hydro-peening shower nozzle 3 ejection。Compared with the clear water of room temperature, the clear water of about 60 DEG C is more easy to and is scrubbed clean by the corrosion product of specimen surface, by the time clear, clean tissue topography, it is easy to observe sample, draw conclusion (of pressure testing) accurately, avoid also to observe sample by Stereo microscope or testing crew empirically just can be reached a conclusion because corrosion product does not scrub clean, therefore, macroscopic corrosion test device provided by the invention improves precision and the efficiency of test。
Alternatively, described etching tank 12 and Rinsing Area 13 are made up of polypropylene material。
It is preferred that the top of described macroscopic corrosion test device is provided with the vent being connected with ventilation duct 2。Preferably, in described exhaust duct 2, it is additionally provided with the defecator for absorbing acid gas, acid mist, reduces amount and concentration that acid gas acid mist discharges in air, reduce the pollution to environment。
Referring to Fig. 4, it is the control circuit figure of macroscopic corrosion test device controller 1 of the present embodiment, and controller 1 is for controlling the operation of described macroscopic corrosion test device。Hair brush motor M3 is connected with converter, and converter is by the 3rd main contacts KM32 and the second air-break QS2 series connection, and the second air-break QS2 is connected with live wire, and converter is connected with zero line；Corrosion spray motor M2 and the first main contacts KM13 is connected, rapid heater R and the second main contacts KM22 is connected, corrosion spray motor M2, rapid heater R are all connected with zero line, and the first main contacts KM13, the second main contacts KM22 are all connected with the first air-break QS1, the first air-break QS1 is connected with live wire。
Further, driving motor M1 is connected with speed regulator, and speed regulator is connected with fuse FU by the first switch SB1, and fuse FU is connected with live wire simultaneously, and speed regulator is connected with zero line。Meanwhile, second switch SB2 and the three switchs SB3 series connection, and the 3rd switch SB3 and auxiliary contact KM12 parallel connection is connected with first coil KM11, and first coil KM11 is connected with zero line；4th switch SB4 and the second coil KM21 series connection, the second coil KM2 is connected with zero line；5th switch SB5 connects with tertiary coil KM31, and tertiary coil KM31 is connected with zero line；And, second switch SB2, the 4th switch SB4, the 5th switch SB5 all switch SB1 with first and are connected。It is preferred that first coil KM11 and the first starts display lamp L1 parallel connection, it is in parallel that the second coil KM21 and the second starts display lamp L2, and it is in parallel that tertiary coil KM31 and the three starts display lamp L3。
Before test, the first air-break QS1, the second air-break QS2, the first switch SB1 and second switch SB2 are in closure state。When closing the 3rd switch SB3, first coil KM11 is energized, and due to galvanomagnetic-effect, auxiliary contact KM12 and the first main contacts KM13 Guan Bi, the 3rd switch SB3 disconnects, and the first display lamp L1 lights, and corrosion spray motor M2 starts, and corrosion shower nozzle 15 starts to spray corrosive liquid。When closing the 4th switch SB4, the second coil KM21 energising, due to galvanomagnetic-effect, the second main contacts KM22 Guan Bi, the second display lamp L2 lights, and rapid heater R begins to warm up clear water。When closing the 5th switch SB5, tertiary coil KM31 is energized, and due to galvanomagnetic-effect, the 3rd main contacts KM32 Guan Bi, the 3rd display lamp L3 lights, and hair brush motor M3 starts, and hairbrush 4 starts running。
It should be noted that, can be 0m/min～5m/min by the speed of governor control power transmission shaft 5 conveying test, the etching time of Control Assay is 0～90s, by choosing suitable transmission speed so that it is determined that etching time accurately, when can avoid because of testing crew experience control corrosion rate, the corrosion of chien shih sample is insufficient does not occur that the phenomenon of etch pit occur in cleaning pattern or the long specimen surface of etching time, thus the overall process of the etching time of specification coarse micro-grain sample, test, improve the precision of test simultaneously。By the accurate etching time of transmission speed specification, improve test accuracy。
After adjusting the transporting velocity of power transmission shaft 5, sample is positioned on power transmission shaft 5 so that it is be sequentially carried out burn into spray and scrub。When disconnecting the first switch SB1, device shuts down, and when again closing the first switch SB1, device remains in operation according to the parameter arranged before stopping。
From the above it can be seen that a kind of macroscopic corrosion test device provided by the invention can realize the automatization of macroscopic test process, standardization；Improve the controllability of test parameters, can Control experiment etch at the trial, washing time, it is to avoid in etch process, test by erosion not exclusively or excessive erosion, improves the precision of test；The sample quantities can placed during experiment increases, and improves the efficiency of experiment；Improve the safety of test, when carrying out macro-etching test, the burn into of sample washes away and cleans and all carries out in device, it is to avoid operator contact acid caustic corrosion liquid in process of the test, improves safety；Reduce manpower consumption, because macro-etching test carries out in a device, it is to avoid in process of the test, repeat carrying sample for observing specimen surface corrosion condition；Reducing the pollution to environment, have defecator in gas extraction system, reduce amount and concentration that acid gas acid mist discharges in air, the waste water after cleaning in test is recyclable, reduces pollution。
Those of ordinary skill in the field are it is understood that the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (4)
1. a macroscopic corrosion test device, it is characterised in that including the drive mechanism for transmitting sample, be arranged at the etching tank below described drive mechanism and be arranged at the corrosion shower nozzle above described drive mechanism, described corrosion shower nozzle and etching tank are oppositely arranged；The side of described corrosion shower nozzle is provided with clear water shower nozzle, and the side of described etching tank is provided with Rinsing Area, and described clear water shower nozzle and Rinsing Area are oppositely arranged；
Described drive mechanism includes driving motor, the axis of rolling being connected with described driving motor and the many power transmission shafts with described axis of rolling engaged transmission, the equal level of described power transmission shaft is installed, the described axis of rolling simultaneously drives many power transmission shafts and rotates together, so that sample moves on power transmission shaft, between described power transmission shaft, leave the gap of 1.5～3 centimetres；
Described macroscopic corrosion test device also includes corrosion spray motor and connects described etching tank and the corrosion pipeline of corrosion shower nozzle, described corrosion spray motor is for pumping into corrosion pipeline by the corrosive liquid in etching tank, and the corrosive liquid in corrosion pipeline is through corrosion shower nozzle ejection；
The opposite side of described clear water shower nozzle is provided with hairbrush hydro-peening shower nozzle and hairbrush, and the opposite side of described Rinsing Area is provided with spray tank, and described hairbrush hydro-peening shower nozzle and spray tank are oppositely arranged, and described hairbrush is connected with hair brush motor；
Described clear water shower nozzle is connected with extraneous clear water each through pipeline with hairbrush hydro-peening shower nozzle, is provided with rapid heater in the pipeline being connected with hairbrush hydro-peening shower nozzle；
The bottom of described spray tank has liquid outlet, and the clear water for drip washing is crossed sample discharges spray tank；The bottom of described Rinsing Area has discharge outlet, and the clear water for drip washing is crossed sample discharges Rinsing Area；
Described hair brush motor is connected with converter, and converter is by the 3rd main contacts and the series connection of the second air-break, and the second air-break is connected with live wire, and converter is connected with zero line；Described corrosion spray motor and the first main contacts are connected, rapid heater and the second main contacts are connected, corrosion spray motor, rapid heater are all connected with zero line, and the first main contacts, the second main contacts are all connected with the first air-break, and the first air-break is connected with live wire。
2. macroscopic corrosion test device according to claim 1, it is characterised in that being provided with multiple rolling bearing on the described axis of rolling, each rolling bearing engages with the travelling gear of end part of driving shaft respectively, and the axis of rolling is vertical with power transmission shaft。
3. macroscopic corrosion test device according to claim 1, it is characterised in that described driving motor is connected with speed regulator, speed regulator is connected with fuse by the first switch, and fuse is connected with live wire simultaneously, and speed regulator is connected with zero line；Second switch and the 3rd switch series connection, the 3rd switch is connected with first coil with the 4th contact shunt, and first coil is connected with zero line；4th switch and the second coils connected in series, the second coil is connected with zero line；5th switch is connected with tertiary coil, and tertiary coil is connected with zero line；And, second switch, the 4th switch, the 5th switch are all connected with the first switch。
4. macroscopic corrosion test device according to claim 3, it is characterised in that it is in parallel that described first coil starts display lamp with first, it is in parallel that described second coil and second starts display lamp, and it is in parallel that described tertiary coil and the 3rd starts display lamp。
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| CN105181567B (en) * | 2015-09-21 | 2018-01-12 | 航天科工防御技术研究试验中心 | Aluminium alloy macroscopic corrosion test device |
| CN108007851A (en) * | 2016-10-28 | 2018-05-08 | 天津台信检测技术有限公司 | Auto parts and components corrosion testing apparatus |
| CN108226174A (en) * | 2018-03-09 | 2018-06-29 | 湖南工业大学 | Continuous casting steel billet tissue defects automatic measure grading system |
| CN113138145A (en) * | 2021-04-28 | 2021-07-20 | 辽宁忠旺集团有限公司 | Large-diameter aluminum alloy ingot casting grain size inspection device and automatic inspection method |
| CN113884431B (en) * | 2021-09-28 | 2023-11-07 | 江苏徐工工程机械研究院有限公司 | Industrial paint film weather resistance detection system |
| CN118010461B (en) * | 2024-04-03 | 2024-06-11 | 江苏天坦能源有限公司 | Low-power detection integrated device for aluminum profile |
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