CN105855655A - Device for preparing brazing abrasive particle tool through ultrasonic-assisted induction heating - Google Patents
Device for preparing brazing abrasive particle tool through ultrasonic-assisted induction heating Download PDFInfo
- Publication number
- CN105855655A CN105855655A CN201610367138.4A CN201610367138A CN105855655A CN 105855655 A CN105855655 A CN 105855655A CN 201610367138 A CN201610367138 A CN 201610367138A CN 105855655 A CN105855655 A CN 105855655A
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- CN
- China
- Prior art keywords
- ultrasonic
- protection chamber
- abrasive particle
- tool
- base
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/20—Tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a device for preparing a brazing abrasive particle tool through ultrasonic-assisted induction heating. The device comprises a workbench, a protective cavity base, a protective cavity cover, an ultrasonic transducer, an ultrasonic amplitude change bar, a cooling system, induction heating coils and an infrared thermometer. When the device is utilized, firstly, an abrasive particle tool matrix coated with an active bonding agent and abrasive particles is fixed at the tail end of the ultrasonic amplitude change bar, then, an inert gas is introduced into a protective cavity or the protective cavity is vacuumized, and the infrared thermometer is adjusted to be able to detect the temperature of an abrasive particle connecting zone; the cooling system and an induction heater are started to heat the tool matrix through the induction heating coils, when the active bonding agent reaches the melting temperature, the ultrasonic transducer is started to apply ultrasonic to the tool matrix, and when the temperature rising technology is completed, the ultrasonic application is stopped; and when the temperature of the connecting zone drops to a liquid-solid conversion temperature, ultrasonic is applied again, when the temperature of the connecting zone drops to a tempering temperature of the active bonding agent, the ultrasonic application is stopped, and the abrasive particle tool is obtained after the tool matrix cools to the room temperature.
Description
Technical field
The present invention designs millgrain tool preparation facilities, particularly relates to a kind of ultrasonic assistant sensing and adds hot preparation pricker
The device of weldering millgrain tool.
Background technology
Millgrain tool grinding is at material high-efficiency precisions such as metal, pottery, optical crystal, semiconductor, lithotomes
Close processing plays the support function that can not be substituted, be also improve piece surface fineness must be indispensable
Means.The essence of millgrain tool grinding is to be carried out workpiece by the numerous abrasive particles being fixed in tool base
Trace on microcosmic is removed thus is reached workpiece whole removing macroscopically and remove.Realizing this processing must be with abrasive particle
Premised on fixedly securing in tool base.Proposition in last century soldering tech at high temperature make diamond with
Active solder interface forms enhanced primary treatment and holds the firm of diamond to realize bonding agent, thoroughly solves
There is the problem combined loosely in plating, sintering process, becomes the focus of Chinese scholars research.Soldering is ground
The grain high hold of instrument, big chip space etc. have obtained the confirmation of industry, but the most do not obtain
Substantial popularization and application.It is had its source in: brazing process solder makes abrasive particle to the chemical erosion of abrasive particle
Self performance declines, simultaneously because coefficient of thermal expansion mismatch causes existing on postwelding abrasive particle huge between solder and abrasive particle
Big residual stress.
The time being exposed under high temperature with it due to abrasive particle chemical erosion is relevant, and the time is the longest, and interface reflection is more
Fully, erosion degree is the most serious.Existing abrasive particle brazing process is all to allow after brazing filler metal melts by wetting effect
Climb from trend abrasive particle top, form the connection with certain geometric shape.Ensureing that solder soaks to abrasive particle
On the premise of climbing, the compressible space of high-temperature holding time is extremely limited.For residual stress problems, to the greatest extent
Pipe has employing post weld heat treatment at present, but effect is unsatisfactory.
Certainly, the problems referred to above become the bottleneck of restriction soldering millgrain tool application.
The problems referred to above seriously constrain promoting the use of of soldering millgrain tool.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of ultrasonic assistant activity of passing through connects
Connect abrasive particle and prepare the device of high-performance millgrain tool.
In order to solve above-mentioned technical problem, the invention provides a kind of ultrasonic assistant sensing and add hot preparation pricker
The device of weldering millgrain tool, it is characterised in that including: workbench, protection chamber base, protection chamber containment, ultrasonic
Wave transducer, ultrasonic variable amplitude bar, cooling ring, load coil, support, infrared radiation thermometer；
Described protection chamber base is fixing on the table, and protection chamber containment is buckled on the base of protection chamber, thus is formed
Airtight protection chamber；
Described ultrasonic transducer is fixed on the base of protection chamber, and ultrasonic variable amplitude bar is fixed on ultrasonic wave transducer
On device, the periphery of ultrasonic variable amplitude bar is wound with cooling ring, and cooling ring cooling on the base of overprotection chamber connects
Mouth is connected with protecting the cooling system outside chamber；
The front end of described ultrasonic variable amplitude bar is provided with load coil, and load coil is through at the bottom of overprotection chamber
Load coil interface on seat is connected with protecting the sensing heater outside chamber；
Vertical on described workbench have a support, and support has a vertical section vertical with table surface, and
One parallel-segment parallel with table surface；Described parallel-segment be positioned at protection chamber containment top, and its towards
The one side of protection chamber containment is provided with infrared radiation thermometer；Described infrared radiation thermometer is connected with sensing heater；
Described protection chamber base is provided with atmosphere protection interface, and it is connected with atmosphere protection system；Described protection
The top of chamber containment is provided with transparent peep-hole.
In a preferred embodiment: described protection chamber is vacuum state, or full inert gas.
In a preferred embodiment: described inert gas is helium or nitrogen.
In a preferred embodiment: described ultrasonic variable amplitude bar material is high temperature platform titanium alloy or tool steel.
In a preferred embodiment: described ultrasonic transducer is fixed on the base of protection chamber by flange.
In a preferred embodiment: described parallel-segment towards protection chamber containment one side be additionally provided with camera, its with
Video acquisition system is connected.
In a preferred embodiment: the end of described ultrasonic variable amplitude bar with have been coated with activity bonding agent and mill
The tool base of grain connects.
In a preferred embodiment: described abrasive particle be diamond or cubic boron nitride or aluminum oxide or carborundum or
Hard alloy particle.
In a preferred embodiment: described coating is first to be coated in tool base by activity bonding agent, then
Abrasive particle is coated on activity bonding agent；Or it is coated in instrument after activity bonding agent and abrasive particle being mixed together
On matrix.
Compared to prior art, the present invention possesses following beneficial effect:
In the present invention, when activity bonding agent connects abrasive particle, vibrate by ultrasonic assistant, promote activity knot
Mixture powder smelting and bonding, accelerate liquid state molten pool；And then suppress void effect by ultrasonic wave, promote molten
Melt the flowing of liquid reactive bonding agent, reduce solid-liquid surface tension, promote that abrasive particle/bonding agent surface chemistry connects shape
Become, accelerate bonding agent and climb abrasive particle, thus shorten abrasive particle and be exposed to the high-temperature region time, shorten abrasive particle chemistry rotten
Erosion.
In the present invention, it is in molten state and liquid/solid conversion stage at solder, utilizes the stirring of ultrasonic wave high frequency to stop
Crystal grain is grown up and crystal grain thinning, alleviates structural stress；Initial high temperature phase after solder solidifies, by super
Sound wave dither carries out high-temperature vibrating Ageing Treatment, promotes brazing filler metal alloy generation creep and micro-surrender stream occurs
Dynamic, relief of thermal stress, to reduce the formation of residual stress on source.
By the enforcement of technique scheme, use the working life of the millgrain tool of invention device making and resist
Wear resistance substantially exceeds the instrument more made than prior art.
Accompanying drawing explanation
Fig. 1 is the signal that in the preferred embodiment of the present invention, ultrasonic assistant sensing adds hot preparation millgrain tool device
Figure；
In figure: 1 is workbench, 2 is protection chamber base, and 3 is protection chamber containment, and 4 is ultrasonic transducer, 5
Being ultrasonic variable amplitude bar, 6 is cooling ring, and 7 is load coil, and 8 is support, and 9 is infrared radiation thermometer,
10 is camera, and 11 is that ultrasonic power is connected, and 12 is coolant interface, and 13 is cooling system, and 14 is sense
Should heat coil interface, 15 is sensing heater, and 16 is atmosphere protection interface, and 17 is atmosphere protection system,
18 is transparent peep-hole, and 19 is video acquisition system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The sensing of a kind of ultrasonic assistant adds the device of hot preparation soldering millgrain tool, as it is shown in figure 1, include work
Station 1, protection chamber base 2, protection chamber containment 3, ultrasonic transducer 4, ultrasonic variable amplitude bar 5, cooling ring
6, load coil 7, support 8, infrared radiation thermometer 9, camera 10；
Described protection chamber base 2 is fixed on workbench 1, and protection chamber containment 3 is buckled on protection chamber base 2,
Thus form airtight protection chamber；
Described ultrasonic transducer 4 is fixed on protection chamber base 2, and ultrasonic variable amplitude bar 5 is fixed on ultrasonic
On wave transducer 4, the periphery of ultrasonic variable amplitude bar 5 is wound with cooling ring 6, and cooling ring 6 is through at the bottom of overprotection chamber
Coolant interface 12 on seat 2 is connected with protecting the cooling system 13 outside chamber；
The front end of described ultrasonic variable amplitude bar 5 is provided with load coil 7, and load coil 7 is through overprotection
Load coil interface 14 on chamber base 2 is connected with protecting the sensing heater 15 outside chamber；
Vertical on described workbench 1 have a support 8, and support 8 has a vertical section vertical with workbench 1 surface,
And a parallel-segment parallel with table surface；Described parallel-segment is positioned at the top of protection chamber containment 3, and
It is provided with infrared radiation thermometer 9 towards the one side of protection chamber containment 3；Described infrared radiation thermometer 9 and sensing heater
15 are connected；
Described protection chamber base 2 is provided with atmosphere protection interface 16, and it is connected with atmosphere protection system 17；Institute
The top stating protection chamber containment 3 is provided with transparent peep-hole 18.
Described parallel-segment is additionally provided with described camera 10 towards the one side of protection chamber containment 3, itself and video acquisition system
System 19 is connected.
Application example 1:
Selecting NiCrPSi activity bonding agent, mesh number is 35/40 diamond, and No. 45 is tool base, uses
The device that above-mentioned ultrasonic assistant sensing adds hot preparation soldering millgrain tool carries out the system of diamond abrasive grain bistrique
Standby.
Concrete steps:
1) it is coated with after NiCrPSi activity bonding agent being mixed in quality 7:1 ratio with synthetic glue and puts down at instrument base
On body joint face, thickness is 150um, diamond abrasive grain is being placed on activity bonding agent coat on, dry or
Tool base is threaded connection on the end being fixed on ultrasonic variable amplitude bar 5 after drying.
2) form airtight protection chamber by protecting chamber containment 3 to be buckled on protection chamber base 2, start atmosphere protection system
Protection chamber is vacuumized by atmosphere protection interface 16, backfills argon gas and secondary vacuum pumping operation by system 17.
Adjust infrared radiation thermometer 9 and make the joint face of its thermometric focus alignment tools matrix, adjust camera 10 so that it is
Shooting is in the face of the joint face of quasi-tool base.
3) start cooling system 13, start ultrasonic variable amplitude bar 5 is cooled down.Start feeling answers heater
15, by load coil 7, tool base is carried out intensification and heat.Treat that the temperature of infrared radiation thermometer 9 shows
When being shown as 970 DEG C, starting ultrasonic transducer 4, setpoint power output is 100w, and amplitude is 3um, vibration frequency
Rate is 20kHz, and sustained vibration to temperature stops ultrasonic pressing after reaching 1020 DEG C and being incubated 10s.Close or
Reduce the power of sensing heater 15, after temperature is down to 950 DEG C, be again started up ultrasonic transducer 4,
Setpoint power output is 1500w, and amplitude is 9um, and vibration frequency is 20kHz, and sustained vibration is to tool base temperature
After being down to 350 DEG C, close ultrasonic wave, after continuing to be cooled to room temperature with stove, open after protection chamber backfill argon gas
Protection chamber containment, takes off the millgrain tool welded from ultrasonic transformer, obtains desired high-quality instrument bistrique.
Application example 2:
Selecting AgCuTi activity bonding agent, mesh number is 50/60CBN abrasive particle, and 45 steel are tool base, carry out
Ultrasonic assistant sensing adds thermally coupled prepares diamond abrasive grain bistrique.
Concrete steps:
1) it is coated with after AgCuTi activity bonding agent being mixed in quality 5:1 ratio with synthetic glue and puts down at instrument base
On body joint face, thickness is 100um, is being placed on by CBN abrasive particle on activity bonding agent coat, is drying or dry in the air
Tool base is threaded connection on the end being fixed on ultrasonic variable amplitude bar 5 after Gan.
Protection chamber containment 3 is buckled on protection chamber base 2 and forms airtight protection chamber, start atmosphere protection system
17 by atmosphere protection interface 16, protection chamber vacuumized, backfill argon gas and secondary vacuum pumping and operate.
Adjust infrared radiation thermometer 9 and make the joint face of its thermometric focus alignment tools matrix, adjust camera 10,
It is made to shoot the joint face in the face of quasi-tool base.
Start cooling system 13, start ultrasonic variable amplitude bar 5 is cooled down.Start feeling answers heater 15,
By load coil 7, tool base is carried out intensification to heat.Treat that the temperature of infrared radiation thermometer 9 is shown as
When 800 DEG C, starting ultrasonic transducer 4, setpoint power output is 80w, and amplitude is 3um, and vibration frequency is
28kHz, sustained vibration to temperature stops ultrasonic pressing after reaching 880 DEG C and being incubated 10min, closes sensing and adds
Hot device 15.After temperature is down to 800 DEG C, being again started up ultrasonic transducer 4, setpoint power output is 1200w,
Amplitude is 6um, and vibration frequency is 28kHz, after sustained vibration is down to 350 DEG C to tool base temperature, closes super
Acoustic wave transducer 4, after continuing to be cooled to room temperature, opens protection chamber containment 3, abrasive particle after protection chamber backfill argon gas
Instrument takes off from ultrasonic variable amplitude bar 5, obtains desired high-quality instrument bistrique.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art, can be easily in the technical scope that the invention discloses
The change expected or replacement, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should be as the criterion with scope of the claims.
Claims (9)
1. a ultrasonic assistant senses the device adding hot preparation soldering millgrain tool, it is characterised in that including:
Workbench, protection chamber base, protection chamber containment, ultrasonic transducer, ultrasonic variable amplitude bar, cooling ring, sense
Coil, support, infrared radiation thermometer should be heated；
Described protection chamber base is fixing on the table, and protection chamber containment is buckled on the base of protection chamber, thus is formed
Airtight protection chamber；
Described ultrasonic transducer is fixed on the base of protection chamber, and ultrasonic variable amplitude bar is fixed on ultrasonic wave transducer
On device, the periphery of ultrasonic variable amplitude bar is wound with cooling ring, and cooling ring cooling on the base of overprotection chamber connects
Mouth is connected with protecting the cooling system outside chamber；
The front end of described ultrasonic variable amplitude bar is provided with load coil, and load coil is through at the bottom of overprotection chamber
Load coil interface on seat is connected with protecting the sensing heater outside chamber；
Vertical on described workbench have a support, and support has a vertical section vertical with table surface, and
One parallel-segment parallel with table surface；Described parallel-segment be positioned at protection chamber containment top, and its towards
The one side of protection chamber containment is provided with infrared radiation thermometer；Described infrared radiation thermometer is connected with sensing heater；
Described protection chamber base is provided with atmosphere protection interface, and it is connected with atmosphere protection system；Described protection
The top of chamber containment is provided with transparent peep-hole.
A kind of ultrasonic assistant the most according to claim 1 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described protection chamber is vacuum state, or full inert gas.
A kind of ultrasonic assistant the most according to claim 2 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described inert gas is helium or nitrogen.
A kind of ultrasonic assistant the most according to claim 1 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described ultrasonic variable amplitude bar material is high-temperature titanium alloy or tool steel.
A kind of ultrasonic assistant the most according to claim 1 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described ultrasonic transducer is fixed on the base of protection chamber by flange.
A kind of ultrasonic assistant the most according to claim 1 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described parallel-segment is additionally provided with camera towards the one side of protection chamber containment, and it is adopted with video
Collecting system is connected.
A kind of ultrasonic assistant the most according to claim 1 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: the end of described ultrasonic variable amplitude bar with have been coated with activity bonding agent and the work of abrasive particle
Tool matrix connects.
A kind of ultrasonic assistant the most according to claim 7 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described abrasive particle is diamond or cubic boron nitride or aluminum oxide or carborundum or hard closes
Gold grain.
A kind of ultrasonic assistant the most according to claim 7 sensing adds the dress of hot preparation soldering millgrain tool
Put, it is characterised in that: described coating is first to be coated in tool base by activity bonding agent, then by abrasive particle
It is coated on activity bonding agent；Or be coated in tool base after activity bonding agent and abrasive particle are mixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367138.4A CN105855655B (en) | 2016-05-27 | 2016-05-27 | The heating of ultrasonic wave auxiliary induction prepares the application method of the device of soldering millgrain tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367138.4A CN105855655B (en) | 2016-05-27 | 2016-05-27 | The heating of ultrasonic wave auxiliary induction prepares the application method of the device of soldering millgrain tool |
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| CN105855655B CN105855655B (en) | 2018-10-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119742A1 (en) * | 2017-12-22 | 2019-06-27 | 上海海事大学 | High-frequency vibration welding system and method for improving performance of metal material |
| CN111112821A (en) * | 2020-02-23 | 2020-05-08 | 苏州亨允晟机电科技有限公司 | Welding mechanism |
| CN112676666A (en) * | 2020-12-01 | 2021-04-20 | 中国电子科技集团公司第三十八研究所 | Vacuum-ultrasonic composite brazing device and method |
| CN113696110A (en) * | 2021-08-30 | 2021-11-26 | 南京航空航天大学 | Device and method for ultrasonically brazing superhard abrasive grinding wheel |
| CN113751816A (en) * | 2021-08-30 | 2021-12-07 | 南京航空航天大学 | Device and method for assisting in brazing multiple superhard abrasive grinding wheels through ultrasonic vibration |
| CN114264687A (en) * | 2021-12-16 | 2022-04-01 | 郑州机械研究所有限公司 | Device and method for measuring active temperature and active time of welding flux |
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Cited By (9)
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| WO2019119742A1 (en) * | 2017-12-22 | 2019-06-27 | 上海海事大学 | High-frequency vibration welding system and method for improving performance of metal material |
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| CN113696110A (en) * | 2021-08-30 | 2021-11-26 | 南京航空航天大学 | Device and method for ultrasonically brazing superhard abrasive grinding wheel |
| CN113751816A (en) * | 2021-08-30 | 2021-12-07 | 南京航空航天大学 | Device and method for assisting in brazing multiple superhard abrasive grinding wheels through ultrasonic vibration |
| CN114264687A (en) * | 2021-12-16 | 2022-04-01 | 郑州机械研究所有限公司 | Device and method for measuring active temperature and active time of welding flux |
| CN114264687B (en) * | 2021-12-16 | 2024-01-30 | 郑州机械研究所有限公司 | Device and method for measuring activity temperature and activity time of welding flux |
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