CN206177741U - Consider coating failure test device of machinery - thermal shock cyclic loading effect - Google Patents
Consider coating failure test device of machinery - thermal shock cyclic loading effect Download PDFInfo
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- CN206177741U CN206177741U CN201621165629.2U CN201621165629U CN206177741U CN 206177741 U CN206177741 U CN 206177741U CN 201621165629 U CN201621165629 U CN 201621165629U CN 206177741 U CN206177741 U CN 206177741U
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Abstract
The utility model discloses a consider coating failure test device of machinery - thermal shock cyclic loading effect, include bottom plate, gear motor, slider -crank mechanism, metal material sample, cemented carbide coating flat board, force cell sensor, fixing base, go up slide, glide slope, infrared thermoscope and electric loading device, the bottom plate on be fixed with gear motor, slider support and glide slope, the order hookup in proper order of gear motor, slider -crank mechanism, metal material sample, cemented carbide coating dull and stereotyped, that force cell sensor passes through the fixing base is fixed, the fixing base is fixed with last slide, infrared thermoscope and electric loading device all place on the bottom plate, metal material sample and cemented carbide coating flat board are continuous with the positive negative pole of electric loading device respectively. The metal material sample circulation striking cemented carbide coating that the device accessible slider -crank mechanism produced is dull and stereotyped, and then produces mechanical shock to strikeing the in -process because circuit short circuit between metal material sample and coating flat board and at contact point department production of heat, thus the inefficacy process that the experimental simulation cemented carbide coating material acted on at machinery - thermal shock cyclic loading.
Description
Technical field
This utility model belongs to material failure study mechanism field, more particularly to a kind of to consider machinery-heat shock cycling
The coating failure assay device of load effect.
Background technology
The machinery that carbide alloy coating cutter is widely used in various metal materials due to its excellent milling performance adds
In work, especially there is irreplaceable effect in fields such as high-speed milling, dry type millings.
During high-speed milling workpiece (especially difficult-to-machine material workpiece), coated cutting tool can be subject to higher machinery
Usually there is crackle, the abrasion even phenomenon such as peeling, serious shadow in impact and the coefficient impact of heat shock cycling, coating position
Its milling performance and working (machining) efficiency are rung, can also make coated cutting tool lose due milling ability.
At present, by consulting data of literatures, it is considered to machinery-examination of the thermal shock load to coating failure study mechanism
Experiment device is little, it is therefore desirable to which such a considers the coating failure test dress of machinery-heat shock cycling load effect
Put, test basis can be provided for the coating failure behavioral mechanism research of machinery-heat shock cycling load effect.
The content of the invention
In order to solve above-mentioned technical problem, this utility model provide a kind of simple structure, easy to operate consideration machinery-
The coating failure assay device of heat shock cycling load effect.
This utility model patent adopt technical scheme be：One kind considers the coating of machinery-heat shock cycling load effect
Failure test device.Including base plate, reducing motor, slider-crank mechanism, metal material sample, hard alloy coating flat board, survey
Force transducer, fixed seat, sliding way, glide path, infrared temperature measurement device and electrical loading apparatus；Described in being fixed with described base plate
Reducing motor, slider bearing and glide path；Successively order joins described reducing motor, slider-crank mechanism, metal material sample
Connect；Described hard alloy coating flat board, high temperature insulation flat board, force cell are fixed by bracket and fixed seat, fixed
Seat is fixed with sliding way, and sliding way, glide path are freely slidable and fixed；Described metal material sample and hard alloy coating
Flat board is connected respectively with the both positive and negative polarity of electrical loading apparatus.Described slider-crank mechanism includes disk, adjusts crank, adjusts and slide
Block, adjusting screw, screw mandrel, screw mandrel knob, bearing, inside cap, outer bearing cover, connecting rod, cylinder ladder slide block and slider bearing.
Described bracket and the making material of fixed seat is adiabatic insulant；Described metal material sample is in cylinder, outside
End is hemispherical；Described infrared temperature measurement device and electrical loading apparatus is placed on base plate, infrared temperature probe and infrared survey
Warm device is connected, and is fixed on slider bearing top by probe bracket.Described regulation crank is fixed on disk, adjusts crank
Coupled by lead screw transmission between adjusting slider, screw mandrel one end is provided with screw mandrel knob, is provided between screw mandrel and regulation crank
Bearing, is fixed by inside cap, outer bearing cover.Described adjusting slider both sides are provided with adjusting screw, it is with connecting rod, connecting rod with
It is rotation duplicate invoice between cylinder ladder slide block to connect.Described cylinder ladder slide block other end clamping has a metal material sample, and two
Person's thread connection；Described slider bearing, the making material of connecting rod are adiabatic insulant.The device can pass through metal material
Sample circulation is clashed into hard alloy coating flat board and produces mechanical shock, by rotary screw knob moves the adjusting slider on screw mandrel
It is dynamic, adjusting slider is fixed by adjusting screw, the adjustable of crank length is realized, such that it is able to reach control metal material sample
Displacement, and then the size of control machinery impulsive force, and the change of impulsive force can in real time be monitored by force cell
Change situation.Meanwhile, thermal shock is produced come the process of experimental simulation coating failure at contact point by short circuit.Circuit occurs
When short-circuit, moment big calorimetric can be produced at contact point, to contact position thermal shock is caused；The big I of thermal shock is by electricity plus carries
Put the size of electric current in adjusting control circuit to control；Can also avoid producing arc discharge by Debug control circuitry simultaneously；
And by infrared temperature probe energy real-time monitoring contact point transient temperature situation of change.The metal material sample of the device is in circulation
During clashing into hard alloy coating flat board, hard alloy coating flat board can by after mechanical shock, and by thermal shock,
After thermal shock terminates, mechanical shock also then terminates, it is achieved thereby that the collective effect of machinery-heat shock cycling load.
The beneficial effects of the utility model are：The apparatus structure is simple, easy to operate, cleverly realizes machinery-heat punching
Hit cyclic loading loading, coefficient problem, and can free control machinery impulsive force and thermal shock size；Can be in machine
The lower research coating failure behavior of tool-heat shock cycling load effect, is carbide alloy coating cutter milling difficult-to-machine material process
Experiment basis are established in the research of the lower coating failure of middle machinery-heat shock cycling effect.
Description of the drawings
This utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of this utility model device.
Fig. 2 is the partial structural diagram in this utility model correspondence Fig. 1 at A.
Fig. 3 is the decomposing schematic representation of adjustable crank mechanism in this utility model device.
Fig. 4 is load waveform and current waveform comparison diagram in this utility model device.
Fig. 5 is the flow chart of this utility model device experiment process.
In figure, 1- reducing motors, 2- disks, 3- adjusts crank, 4- adjusting sliders, 5- screw mandrels, 6- connecting rods, 7- slide blocks
Seat, 8- probe brackets, 9- infrared temperature probes, 10- cylinder ladder slide blocks, 11- metal material samples, 12- glide paths, on 13-
Slideway, 14- fixed seats, 15- brackets, 16- hard alloy coating flat boards, 17- high temperature insulation flat boards, 18- force cells,
19- electrical loading apparatus, 20- infrared temperature measurement devices, 21- base plates, 22- bearings, 23- inside caps, 24- adjusting screws, 25- outer bearings
Lid, 26- screw mandrel knobs.
Specific embodiment
This utility model is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, this utility model includes base plate 21, reducing motor 1, slider-crank mechanism, metal material examination
Sample 11, hard alloy coating flat board 16, force cell 18, fixed seat 14, sliding way 13, glide path 12, infrared temperature measurement device 20
And electrical loading apparatus 19；Described reducing motor 1, slider bearing 7 and glide path 12 are fixed with described base plate 21；Described
Successively order couples for reducing motor 1, slider-crank mechanism, metal material sample 11；It is described hard alloy coating flat board 16, resistance to
Heat insulation flat board 17, force cell 18 are fixed by bracket 15 with fixed seat 14, and fixed seat 14 is fixed with sliding way 13, on
Slideway 13, glide path 12 are freely slidable and fixed；Metal material sample 11 and hard alloy coating flat board 16 add respectively with electricity
Carry put 19 both positive and negative polarity be connected.
Described slider-crank mechanism includes disk 2, adjusts crank 3, adjusting slider 4, adjusting screw 24, screw mandrel 5, screw mandrel
Knob 26, bearing 22, inside cap 23, outer bearing cover 25, connecting rod 6, cylinder ladder slide block 10 and slider bearing 7.Adjust crank 3
It is fixed by screws on disk 2, adjusts and coupled by lead screw transmission between crank 3 and adjusting slider 4, the one end of screw mandrel 5 is provided with
Screw mandrel knob 26, for rotary screw 5, is equipped with bearing 22, by inside cap 23, outer bearing between screw mandrel 5 and regulation crank 3
Lid 25 is fixed.Simultaneously the both sides of adjusting slider 4 are provided with adjusting screw 24, for adjusting the adjustable fixation of freedom between crank 3.Adjust
It is rotation duplicate invoice between section slide block 4 and connecting rod 6, connecting rod 6 and cylinder ladder slide block 10 to connect.
The described other end clamping of cylinder ladder slide block 10 has metal material sample 11, both thread connection.Described cunning
The making material of block bearing 7, connecting rod 6, bracket 15 and fixed seat 14 is adiabatic insulant.The energy when current loop is formed
The impact of insulation current and heat to other devices.In cylinder, outboard end is hemispherical to metal material sample 11.Described is red
Outer thermal detector 20 and electrical loading apparatus 19 are placed on base plate 21, and infrared temperature probe 9 is connected with infrared temperature measurement device 20, and leads to
Cross probe bracket 8 and be fixed on the top of slider bearing 7, the anglec of rotation of infrared temperature probe 9 is freely adjustable.
Specific operation process is as follows：
(1) open reducing motor 1, drive disk 2 to rotate, the regulation crank 3 that is fixed on disk 2 and with adjusting slider 4
The connecting rod 6 that duplicate invoice connects is rotated, is made cylinder ladder slide block 10 drive the circulation of metal material sample 11 to come and go in slider bearing 7 and is moved
It is dynamic, by the relative position for adjusting sliding way 13, glide path 12, can control hard alloy coating flat board 16 and metal material sample
The distance between 11, then fix sliding way 13, the relative position of glide path 12 by the bolt-connection in slideway；
(2) screw mandrel 5 in crank 3 is controlled to adjust by rotary screw knob 26, the adjusting slider 4 on screw mandrel 5 is moved
It is dynamic, then adjusting slider 4 is fixed by the adjusting screw 24 at two ends, by the length for adjusting crank, so as to reach control gold
The displacement of category material sample 11, and then the purpose of control machinery impulsive force size.In the process, by mechanical shock
Mechanical impact force is passed to force cell 18, force-measuring sensing by hard alloy coating flat board 16 by high temperature insulation flat board 17
Device 18 can in real time monitor the situation of change of impulsive force, as a result can be seen in real time after data acquisition unit and computer disposal
Load waveform is observed, and can in real time measure shock loading size, frequency, dutycycle etc.；
(3) open electrical loading apparatus 19, the two poles of electrical loading apparatus 19 be coupled with metal material sample 11 with it is hard
On matter alloy coat flat board 16, electrical loading apparatus 19 are flat to metal material sample 11 and hard alloy coating through control circuit 1
Plate 16 is passed through target rectangle wave impulse electric current, and control circuit 2 can adjust target pulse size of current, frequency, dutycycle etc., then
Current waveform is observed by oscillograph.By observed and recorded load waveform and current waveform information, when both waveform frequencies are identical,
When current duty cycle is less than t2 less than load dutycycle, t1, debugging is completed.When metal material sample 11 and hard alloy coating are put down
When plate 16 clashes into contact, circuit loop is produced, and circuit is short-circuited, maximum in both contact position resistances.According to Joule's law, connect
Moment big calorimetric can be produced at contact, to contact position thermal shock is caused, while ability loading current after load is produced, and load is unloaded
Electric current vanishing before carrying, the size of thermal shock can be stablized substantially, be unlikely to produce arc discharge.The big I of thermal shock is by adjusting
The size of the electric current of control circuit 2 is controlling in economize on electricity charger 19；Described infrared temperature probe 9 can accurately measure both and connect
Transient temperature situation of change when at contact, and by result output to computer；
(4) record data, by the mechanical shock force value that measures and contact point temperature value, and coating sample after Binding experiment
The degree of impairment on surface to study machinery-heat shock cycling load collective effect under coating failure behavior, be study machinery-
Cutter coat failure behaviour establishes experiment basis during carbide alloy coating cutter milling metal material under the effect of thermal shock load.
Claims (6)
- It is 1. a kind of to consider the coating failure assay device that machinery-heat shock cycling load is acted on, it is characterised in that：Including base plate, Reducing motor, slider-crank mechanism, metal material sample, hard alloy coating flat board, force cell, fixed seat, sliding way, Glide path, infrared temperature measurement device and electrical loading apparatus；Described reducing motor, slider bearing and downslide are fixed with described base plate Road；Successively order couples described reducing motor, slider-crank mechanism, metal material sample；Described hard alloy coating is put down Plate, high temperature insulation flat board, force cell are fixed by bracket and fixed seat, and fixed seat is fixed with sliding way, sliding way, under Slideway is freely slidable and fixed；Described metal material sample and hard alloy coating flat board are respectively with electrical loading apparatus just Negative pole is connected.
- 2. the coating failure assay device that a kind of consideration machinery-heat shock cycling load according to claim 1 is acted on, It is characterized in that：Described slider-crank mechanism includes disk, adjusts crank, adjusting slider, adjusting screw, screw mandrel, screw mandrel rotation Button, bearing, inside cap, outer bearing cover, connecting rod, cylinder ladder slide block and slider bearing.
- 3. the coating failure assay device that a kind of consideration machinery-heat shock cycling load according to claim 1 is acted on, It is characterized in that：Described bracket and the making material of fixed seat is adiabatic insulant；Described metal material sample is in Cylinder, outboard end is hemispherical；Described infrared temperature measurement device and electrical loading apparatus is placed on base plate, and infrared measurement of temperature is visited Head is connected with infrared temperature measurement device, and is fixed on slider bearing top by probe bracket.
- 4. the coating failure assay device that a kind of consideration machinery-heat shock cycling load according to claim 2 is acted on, It is characterized in that：Described regulation crank is fixed on disk, is adjusted and is coupled by lead screw transmission between crank and adjusting slider, Screw mandrel one end is provided with screw mandrel knob, and between screw mandrel and regulation crank bearing is provided with, and is fixed by inside cap, outer bearing cover.
- 5. the coating failure assay device that a kind of consideration machinery-heat shock cycling load according to claim 2 is acted on, It is characterized in that：Described adjusting slider both sides are provided with adjusting screw, and it is between connecting rod, connecting rod and cylinder ladder slide block Rotate duplicate invoice to connect.
- 6. the coating failure assay device that a kind of consideration machinery-heat shock cycling load according to claim 2 is acted on, It is characterized in that：Described cylinder ladder slide block other end clamping has metal material sample, both thread connection；Described slide block Bearing, the making material of connecting rod are adiabatic insulant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165629.2U CN206177741U (en) | 2016-11-02 | 2016-11-02 | Consider coating failure test device of machinery - thermal shock cyclic loading effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165629.2U CN206177741U (en) | 2016-11-02 | 2016-11-02 | Consider coating failure test device of machinery - thermal shock cyclic loading effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177741U true CN206177741U (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621165629.2U Expired - Fee Related CN206177741U (en) | 2016-11-02 | 2016-11-02 | Consider coating failure test device of machinery - thermal shock cyclic loading effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860668A (en) * | 2017-11-03 | 2018-03-30 | 无锡市福莱达石油机械有限公司 | Coating impact fatigue experimental provision |
-
2016
- 2016-11-02 CN CN201621165629.2U patent/CN206177741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860668A (en) * | 2017-11-03 | 2018-03-30 | 无锡市福莱达石油机械有限公司 | Coating impact fatigue experimental provision |
| CN107860668B (en) * | 2017-11-03 | 2019-12-10 | 无锡市福莱达石油机械有限公司 | Coating impact fatigue experimental device |
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| GR01 | Patent grant | ||
| 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: 20170517 Termination date: 20201102 |