CN107254579A - A kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method and annealing device - Google Patents
A kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method and annealing device Download PDFInfo
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- CN107254579A CN107254579A CN201710676930.2A CN201710676930A CN107254579A CN 107254579 A CN107254579 A CN 107254579A CN 201710676930 A CN201710676930 A CN 201710676930A CN 107254579 A CN107254579 A CN 107254579A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
- C21D2221/01—End parts (e.g. leading, trailing end)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method and annealing device, this method is to form the temperature field with thermograde by making nail be enclosed in heating process, local to nail set to anneal；A kind of annealing device used in high-temperature alloy steel self-plugging rivet nail set differential annealing method, including heating system and the auxiliary heating mantle being enclosed on outside nail set.The present invention accurately controls nail set localized heating zones temperature in self-plugging rivet nail set production process, local heat treatmet effect preferably, can make nail cover hardness present graded, nail is covered that the quality of production is stable, improve nail set quality, improve yield rate, it is simple to operate, be easy to batch production, heat treated process control accurate.
Description
Technical field
The present invention relates to a kind of self-plugging rivet nail set annealing technology, particularly a kind of high-temperature alloy steel self-plugging rivet nail set office
Portion's method for annealing and annealing device.
Background technology
High-temperature alloy steel（A-286）Self-plugging rivet nail set is aviation criterion parts.The volume of self-plugging rivet nail set adds with effective
There is the following problem in hot area all very littles, heat treatment process:Nail set surface heat transfer is too fast during high-frequency induction heating,
Heating region is difficult to control to, particularly in Spot annealing treatment, is often easy to beyond the annealing region of setting；Heating is uneven
It is even, easily cause local temperature difference excessive, often subregion is less than heat treatment design temperature, and other regional temperatures are higher,
Even cause part to ftracture, do not reach the requirement of local heat treatmet；Heat treated process control is inaccurate, and poor repeatability was operated
Cheng Changchang is only with workman's experience, and product quality stability is poor during batch production, and yield rate is low.At present, on the market at most of heat
Reason equipment is suitable only for carrying out workpiece disposed of in its entirety, and the equipment for carrying out local heat treatmet to workpiece is less, especially for
The local heat treatmet of this kind of small-sized thin-walled tubular part of self-plugging rivet nail set, lacks corresponding effective method and apparatus.
Therefore, there is local heat treatmet effect in self-plugging rivet nail set production process poor, unstable product quality, product
Second-rate, yield rate is low, cost is high, be difficult to the shortcoming produced in batches, heat treated process control is inaccurate.
The content of the invention
It is an object of the present invention to provide a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method and annealing dress
Put.The present invention accurately controls nail set localized heating zones temperature, local heat treatmet effect in self-plugging rivet nail set production process
Preferably, can covering nail, graded is presented in hardness to fruit, covering nail, the quality of production is stable, improves nail set quality, improve yield rate, behaviour
Work is simple, be easy to batch production, heat treated process control accurate.
Technical scheme：A kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method, this method is to pass through
Nail is enclosed in heating process and form the temperature field with thermograde, it is local to nail set to anneal.
In a kind of foregoing high-temperature alloy steel self-plugging rivet nail set differential annealing method, methods described is by covering nail
Annealed zone forms the temperature field with thermograde in heating process, and annealed zone is annealed.
In a kind of foregoing high-temperature alloy steel self-plugging rivet nail set differential annealing method, methods described is by heating system
The annealed zone of nail set is heated with auxiliary heating mantle, annealed zone is formed the temperature with thermograde in heating process
, annealed zone is annealed.
In a kind of foregoing high-temperature alloy steel self-plugging rivet nail set differential annealing method, methods described is by adding in auxiliary
Endoporus is set in hot jacket, and the wall thickness of endoporus changes in gradient, auxiliary heating mantle is formed in heating process with temperature ladder
The temperature field of degree, the annealed zone of the nail set to being put into endoporus is heated, and annealed zone is formed in heating process with temperature
The temperature field of gradient is spent, so that graded is presented in nail set hardness.
In a kind of foregoing high-temperature alloy steel self-plugging rivet nail set differential annealing method, in the annealed zone heating process,
Nail set end non-annealing area is cooled down by cooling device；After annealed zone heating terminates, nail sleeving temperature reaches cooling setpoint
Value is cooled down to nail set.
According to the annealing device used in a kind of foregoing high-temperature alloy steel self-plugging rivet nail set differential annealing method, including add
Hot systems and the auxiliary heating mantle being enclosed on outside nail set.
In foregoing annealing device, the auxiliary heating mantle, including the endoporus of auxiliary heating mantle center is located at, it is described
Endoporus wall thickness changes in gradient, and the length of endoporus is 7 ~ 8mm, and the wall thickness of the endoporus is 1~3mm.
In foregoing annealing device, heating system front end side is provided with cooling device, and the cooling device includes vertical
Erection support is provided with above post, column, erection support one is provided with end cooling line and auxiliary heating mantle, and the erection support is another
One end is provided with the flexible pipe B being connected with end cooling line, and the end cooling line includes a pair of circles being connected with erection support
Copper pipe, round copper pipe is connected with square copper pipe；The auxiliary heating is set between round copper pipe, and auxiliary heating mantle front end is provided with jack,
Square copper pipe is located in jack, and auxiliary heating mantle and the induction coil being located in heating system are in same horizontal line.
In foregoing annealing device, the auxiliary heating mantle can select medium carbon steel, iron-base superalloy, high Mn steel or Cr steel
It is made Deng ferrimagnet.
In foregoing annealing device, the annealing device also includes workbench, and heating system is set on the table, workbench
On be additionally provided with on-line cooling system, the on-line cooling system includes the circulating water pipe being located above induction coil and is located at sensing
Tank below coil；Provided with water tank A, water tank B, water pump A and water pump B, water tank A and water pump the A warp in the workbench
Flexible pipe A is connected with heating system, and water tank A and water pump A are connected through flexible pipe B with cooling device；Water tank B and water pump the B warp
Flexible pipe C is connected with the circulating water pipe and tank in on-line cooling system.
In foregoing annealing device, the annealing device also includes the clamping rotating mechanism for being located at heating system front end side
With the temperature-detecting device for being located at heating system front end opposite side, clamping rotating mechanism lower section is provided with mobile platform.
In foregoing annealing device, the clamping rotating mechanism includes fixed plate, and fixed plate is provided with direct current generator and axle
Self-tightening drill point is provided with bearing, bearing block, self-tightening drill point is connected with bar core；Direct current generator and bearing block are connected by shaft coupling.
In foregoing annealing device, the temperature-detecting device is included above double threaded screw, double threaded screw provided with installation branch
Frame, infrared radiation thermometer is located in mounting bracket.
In foregoing annealing device, the mobile platform includes precision linear module, and precision linear module one end is provided with step
Provided with mobile sliding block above stepper motor, precision linear module, side is provided with photoelectric limit switch on precision linear module.
In foregoing annealing device, the center of circle and the auxiliary heating mantle of the bar core and induction coil are in same horizontal line
On.
Compared with prior art, the present invention uses high-frequency heating technology, and its technique is simple, and equipment operation is convenient, not only carries
High part is heat-treated operating efficiency, and can ensure that part annealing quality, while reducing labor strength.The present invention's should
With manufacturing technology level and manufacture efficiency, the market competition of aviation criterion parts enterprise of lifting China to improving aviation criterion parts
Power plays good effect.
According to nail set case hardness demand, the functional area on nail set surface is formulated, auxiliary heating tooling sleeve is set with crossing,
Nail set top layer is heat-treated using heat transfer, the Temperature Distribution and gradient of thermal source is controlled, sets up corresponding with hardness gradient
Thermograde, reaches nail set surface differential annealing purpose, nail is covered hardness formation graded.Meanwhile, using aiding in heater
Encapsulation packs into nail and in the ranks connects heatings, it is to avoid to nail set directly heat caused burn.
By setting endoporus in auxiliary heating mantle, and the wall thickness of endoporus changes in gradient, makes auxiliary heating mantle in heating
During formed with thermograde temperature field, to be put into endoporus nail set annealed zone heat, annealed zone is existed
The temperature field with thermograde is formed in heating process, so that graded is presented in nail set hardness.
Aid in heating mantle bore area with nail set outer surface 0.1 ~ 0.5mm of interstice coverage, by from medium carbon steel,
The ferrimagnets such as iron-base superalloy, high Mn steel or Cr steel manufacture auxiliary heating mantle is good etc. with high temperature resistant, heat-conductive characteristic
Feature；
In heating process, hot uneven, the formation tool for causing bore area to produce because the auxiliary cylindrical wall unevenness of heating mantle is even
There is the temperature field of axial-temperature gradient, then using heat radiation principle, nail is covered annealed zone and produce the hardness with graded.
Induction heating temperature is detected by using infrared radiation thermometer, and sets break-make temperature and chilling temperature, when temperature reaches
To output signal control heating system and on-line cooling system switching during setting value.The process program of relation control heat time,
Heating-up temperature and hardness correspondence are improved, influence of the temperature to hardness sensitivity is reduced.
By setting cooling device, can effectively it protect in the range of nail set 0~1mm of free end end, in annealing process not
It is completely warmed, hardness formation graded.
Designed by module, induction coil, the auxiliary heating part such as tooling sleeve or core bar of replaceable different size can expire
The manufacturing of the nail set of sufficient different size, and it is easy for installation, it is reusable, reduce production cost.
Above content realize heating anneal process automatically control, temperature online detection, accurate control nail set heating region,
The functions such as on-line cooling, but also with simple to operate, low manufacture cost, the batch production manufacture for being suitable for seriation nail set etc.
Feature.
From power bracket in 15kw ~ 20kw in operating process, frequency range is in the kHz of 30kHz~100 High-frequency machine, sense
It is 1 ~ 3 circle, diameter big 10 ~ 30mm of the induction coil inner ring diameter than aiding in heating mantle, square copper pipe inscribed circle to answer the number of turn of coil
With the diameter range of round copper pipe：5 ~ 10mm, wall thickness 1mm.In annealing process, the infrared radiation thermometer of temperature-detecting device is utilized
The temperature of demarcation detection auxiliary heating tooling sleeve front-end surface, the line infrared radiation thermometer temperature-measuring range is 600 ~ 1600 DEG C, adjustment
Angular range is：30°~80°.
The temperature of auxiliary heating mantle front-end surface is detected using temperature-detecting device, and sets 1300 DEG C of break-make temperature, if
Determine 600 DEG C of chilling temperature, when test point temperature reaches power-off setting value, output signal makes the power-off of High-frequency machine stop heating,
When test point temperature reaches cooling set, output signal makes on-line cooling system work, and nail set is quickly cooled, carries
High hot systems response, reduces influence of the heating-up temperature to hardness sensitivity.
Clamping rotating mechanism in DC motor speed scope be：300rpm~600rpm.Clamp rotating mechanism rotation process
Middle nail set circular runout is less than 0.1 ~ 0.5mm, makes the processing of heating anneal process uniform and stable.
The feeding distance scope of mobile platform：0mm~200mm；The side of precision linear module fills two photoelectric position limits and opened
Close, length of the distance for nail set from original position to heating location between photoelectric limit switch, be precisely controlled nail set feed distance.
High temperature alloy follows closely cover material original hardness nail set annealed zone material hardness after 340HV, conventional annealing methods processing
It is about uniformly 200HV ~ 220HV, size range 5-6mm.Nail set annealed zone material hardness has graded after this programme processing,
Annealed zone size range 7-8mm, lowest hardness value is about 200HV ~ 220HV, size range 3mm, the HV of maximum hardness 340, size
0.1 ~ 1mm of scope.
In summary, the present invention accurately controls nail set localized heating zones temperature in self-plugging rivet nail set production process
Degree, preferably, can covering nail, graded is presented in hardness to local heat treatmet effect, covering nail, the quality of production is stable, improve nail set matter
Amount, improve yield rate, it is simple to operate, be easy to batch production, heat treated process control it is accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the perspective structure schematic diagram for aiding in heating mantle；
Fig. 3 is the structural representation of heating system；
Fig. 4 is the structural representation of temperature-detecting device；
Fig. 5 is the structural representation of cooling device；
Fig. 6 is the structural representation for clamping rotating mechanism；
Fig. 7 is the structural representation of mobile platform；
Fig. 8 is the structural representation of on-line cooling system；
Fig. 9 is the structural representation of part A in Fig. 8；
Figure 10 is nail set sectional view.
Mark in accompanying drawing for：1- aids in heating mantle, 2- endoporus, 3- columns, 4- erection supports, 5- flexible pipes B, 6- circle copper
Pipe, 7- side's copper pipe, 8- jacks, 9- heating systems, 10- induction coils, 11- workbench, 12- circulating water pipes, 13- tanks, 14- water
Case A, 15- water tank B, 16- water pump A, 17- water pump B, 18- flexible pipe A, 19- clamping rotating mechanism, 20- temperature-detecting devices, 21- is moved
Moving platform, 22- fixed plates, 23- direct current generators, 24- bearing blocks, 25- self-tightening drill points, 26- bar cores, 27- shaft couplings, 28- double ends
Screw rod, 29- mounting brackets, 30- infrared radiation thermometers, 31- stepper motors, 32- movement sliding blocks, 33- photoelectric limit switch, 34- is soft
Pipe C, 35- cooling device.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method, as shown in Figures 1 to 9, this method is
The temperature field with thermograde is formed by making nail be enclosed in heating process, it is local to nail set to anneal；Methods described is
By making the annealed zone that nail covers form the temperature field with thermograde in heating process, annealed zone is annealed；It is described
Method is that the annealed zone of nail set is heated by heating system 9 and auxiliary heating mantle, makes annealed zone shape in heating process
Into the temperature field with thermograde, annealed zone is annealed；Methods described is by setting wall thickness in auxiliary heating mantle 1
The endoporus 2 changed in gradient, makes auxiliary heating mantle 1 form the temperature field with thermograde in heating process, interior to being put into
The annealed zone of nail set in hole 2 is heated, and annealed zone is formed the temperature field with thermograde in heating process, so that
Nail is covered hardness and graded is presented.
Annealing device used in high-temperature alloy steel self-plugging rivet nail set differential annealing method, including heating system 9 and be enclosed on
Auxiliary heating mantle 1 outside nail set；The auxiliary heating mantle 1, including the endoporus 2 of auxiliary heating mantle 1 center is located at, it is described interior
The wall thickness of hole 2 changes in gradient, and the length of endoporus 2 is 7.5mm, and the wall thickness of the endoporus 2 changes in gradient, wall thickness be followed successively by 1mm,
2mm and 3mm；The front end side of heating system 9 is provided with cooling device 35, and the cooling device 35 is included on column 3, column 3
Side is provided with erection support 4, and the one end of erection support 4 is provided with end cooling line and auxiliary heating mantle 1, and the erection support 4 is another
End is provided with the flexible pipe B5 being connected with end cooling line, and the end cooling line includes a pair of circles being connected with erection support 4
Copper pipe 6, round copper pipe 6 is connected with square copper pipe 7；The auxiliary heating mantle 1 is located between round copper pipe 6, and auxiliary heating mantle 1 front end is provided with
Jack 8, square copper pipe 7 is located in jack 8, and auxiliary heating mantle 1 and the induction coil 10 being located in heating system 9 are in same level
Line；The auxiliary heating mantle 1 is made from medium carbon steel, iron-base superalloy, high Mn steel or Cr steel；The annealing device also includes
Workbench 11, heating system 9 is located on workbench 11, and on-line cooling system, the on-line cooling system are additionally provided with workbench 11
System includes the circulating water pipe 12 for being located at the top of induction coil 10 and the tank 13 for being located at the lower section of induction coil 10；The workbench 11
In provided with water tank A14, water tank B15, water pump A16 and water pump B17, the water tank A14 and water pump A16 through flexible pipe A18 and heating
System 9 is connected, and water tank A14 and water pump A16 are connected through flexible pipe B5 with cooling device 35；Water tank B15 and water pump the B17 warp
Flexible pipe C34 is connected with the circulating water pipe 12 and tank 13 in on-line cooling system；The annealing device also includes being located at heating
The clamping rotating mechanism 19 of the front end side of system 9 and the temperature-detecting device 20 for being located at the front end opposite side of heating system 9, clamping rotation
The lower section of rotation mechanism 19 is provided with mobile platform 21；The clamping rotating mechanism includes fixed plate 22, and fixed plate 22 is provided with direct current
Self-tightening drill point 25 is provided with machine 23 and bearing block 24, bearing block 24, self-tightening drill point 25 is connected with bar core 26；Direct current generator 23 and axle
Bearing 24 is connected by shaft coupling 27；The temperature-detecting device 20 includes double threaded screw 28, and the top of double threaded screw 28 is provided with peace
Support 29 is filled, infrared radiation thermometer 30 is located in mounting bracket 29；The mobile platform 21 includes precision linear module, precision linear
Module one end is provided with stepper motor 31, and precision linear module top is provided with side on mobile sliding block 32, precision linear module and is provided with
Photoelectric limit switch 33；The center of circle of the bar core 26 and induction coil 10 is in same horizontal line with auxiliary heating mantle 1.
Sectional view according to the nail set obtained by the above embodiment of the present invention is as shown in Figure 10, and nail set hardness is presented gradient and become
Change, obtained nail set local heat treatmet effect compared with prior art is more preferable.
Operation principle：The equipment course of work：Mobile platform 21 is in original position（At the optoelectronic switch of right side）, by nail set peace
Mounted in the core bar end of clamping rotating mechanism 19, the direct current generator 23 of clamping rotating mechanism 19 is powered, and drives nail set rotation；Water pump
A16 is powered, while opening the cooling water circulation of heating system 9 and cooling device 35；The stepper motor 31 of mobile platform 21 is powered
Start feeding, left side optoelectronic switch obtains signal when reaching feed apart from setting value, and mobile platform 21 stops, nail set enters auxiliary
Heating mantle 1 is helped, nail set end contacts with the square copper pipe 7 of cooling device 35, exchanged by the cooling water heat in square copper pipe 7 and take away nail
The heat of free end is covered, non-annealing area is formed, protection nail set free end is not by full annealing；Nail set reaches operating position
Afterwards, the High-frequency machine of heating system 9 is powered, and induction coil 10 is begun to warm up, and auxiliary heating mantle 1 is gradually heated up, by adding in auxiliary
The endoporus 2 for setting wall thickness to change in gradient in hot jacket 1, makes auxiliary heating mantle 1 be formed in heating process with thermograde
Temperature field, the annealed zone of the nail set to being put into endoporus 2 is heated, and annealed zone is formed in heating process with temperature ladder
The temperature field of degree, so that graded is presented in nail set hardness；When the online infrared radiation thermometer 30 detection auxiliary front-end table of heating mantle 1
When the calibration point temperature in face reaches power-off desired temperature, High-frequency machine power-off stops heating；When online infrared radiation thermometer 30 is detected
When aiding in the calibration point temperature arrival chilling temperature setting value of the front-end surface of heating mantle 1, the water pump of on-line cooling system is powered, and follows
The water outlet of ring water pipe 12, duration 5s, subsequent mobile platform 21 is retreated, when right side optoelectronic switch obtains signal, mobile platform 21
Stop, returning to initial position, remove the nail set machined.
Claims (10)
1. a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method, it is characterised in that：This method is by being enclosed on nail
The temperature field with thermograde is formed in heating process, it is local to nail set to anneal.
2. a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method according to claim 1, it is characterised in that：Should
Method is by making the annealed zone that nail covers form the temperature field with thermograde in heating process, annealed zone being moved back
Fire.
3. a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method according to claim 2, it is characterised in that：Should
Method is that the annealed zone of nail set is heated by heating system and auxiliary heating mantle, annealed zone is formed in heating process
Temperature field with thermograde, anneals to annealed zone.
4. a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method according to claim 3, it is characterised in that：Should
Method is that and the wall thickness of endoporus changes in gradient, makes auxiliary heating mantle heated by setting endoporus in auxiliary heating mantle
The temperature field with thermograde is formed in journey, the annealed zone of the nail set to being put into endoporus is heated, and is adding annealed zone
The temperature field with thermograde is formed in thermal process, so that graded is presented in nail set hardness.
5. a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing method according to claim 2, it is characterised in that：Move back
In flame range heating process, nail set end non-annealing area is cooled down by cooling device；After annealed zone heating terminates, nail set temperature
Degree reaches that cooling set is cooled down to nail set.
6. according to a kind of high-temperature alloy steel self-plugging rivet nail set differential annealing side described in claim 1 to 5 any claim
Annealing device used in method, it is characterised in that：Including heating system（9）With the auxiliary heating mantle being enclosed on outside nail set（1）.
7. annealing device according to claim 6, it is characterised in that：The auxiliary heating mantle（1）, including be located at auxiliary plus
Hot jacket（1）The endoporus of center（2）, the endoporus（2）Wall thickness changes in gradient, endoporus（2）Length be 7 ~ 8mm, it is described
Endoporus（2）Wall thickness be 1~3mm.
8. annealing device according to claim 6, it is characterised in that：The heating system（9）Front end side is provided with cooling
Device（35）, the cooling device（35）Including column（3）, column（3）Top is provided with erection support（4）, erection support（4）One
End is provided with end cooling line and auxiliary heating mantle（1）, the erection support（4）The other end is provided with and is connected with end cooling line
Flexible pipe B（5）, the end cooling line include a pair and erection support（4）The round copper pipe of connection（6）, round copper pipe（6）With side
Copper pipe（7）Connection；The auxiliary heating mantle（1）It is located at round copper pipe（6）Between, aid in heating mantle（1）Front end is provided with jack（8）,
Square copper pipe（7）It is located at jack（8）In, aid in heating mantle（1）Be located at heating system（9）In induction coil（10）In same
Horizontal line.
9. annealing device according to claim 6, it is characterised in that：The annealing device also includes workbench（11）, plus
Hot systems（9）It is located at workbench（11）On, workbench（11）On be additionally provided with on-line cooling system, the on-line cooling system includes
It is located at induction coil（10）The circulating water pipe of top（12）Be located at induction coil（10）The tank of lower section（13）；The workbench
（11）In be provided with water tank A（14）, water tank B（15）, water pump A（16）And water pump B（17）, the water tank A（14）With water pump A（16）
Through flexible pipe A（18）With heating system（9）Connection, water tank A（14）With water pump A（16）Through flexible pipe B（5）With cooling device（35）Even
Connect；The water tank B（15）With water pump B（17）Through flexible pipe C（34）With the circulating water pipe in on-line cooling system（12）And water
Groove（13）Connection.
10. annealing device according to claim 6, it is characterised in that：The annealing device also includes being located at heating system
（9）The clamping rotating mechanism of front end side（19）Be located at heating system（9）The temperature-detecting device of front end opposite side（20）, folder
Hold rotating mechanism（19）Lower section is provided with mobile platform（21）.
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| CN201710676930.2A CN107254579B (en) | 2017-08-09 | 2017-08-09 | A kind of high-temperature alloy steel self-plugging rivet nail set local annealing method and annealing device |
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| CN201710676930.2A CN107254579B (en) | 2017-08-09 | 2017-08-09 | A kind of high-temperature alloy steel self-plugging rivet nail set local annealing method and annealing device |
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| CN107254579B CN107254579B (en) | 2018-12-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108611478A (en) * | 2018-05-07 | 2018-10-02 | 浙江省三门县长龙汽配有限公司 | Clutch compressing disc rivet manufacturing method |
| CN112481564A (en) * | 2020-11-26 | 2021-03-12 | 海亮奥托铜管（广东）有限公司 | Alloy copper pipe annealing device and alloy copper pipe annealing treatment method |
| CN112588861A (en) * | 2020-11-23 | 2021-04-02 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging component and operation method |
| CN113482999A (en) * | 2021-07-05 | 2021-10-08 | 航天精工股份有限公司 | High-strength rivet resistant to high temperature and corrosion and easy to rivet and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1718772A (en) * | 2005-08-02 | 2006-01-11 | 怀集县汽车配件制造有限责任公司 | Technological method for eliminating engine valve disk terminal conical face fensile stress and its equipment |
| CN105274307A (en) * | 2015-11-13 | 2016-01-27 | 兰州飞行控制有限责任公司 | Local annealing heat treatment method for small part |
| CN207031505U (en) * | 2017-08-09 | 2018-02-23 | 贵州大学 | A kind of high-temperature alloy steel self-plugging rivet nail set local annealing device |
-
2017
- 2017-08-09 CN CN201710676930.2A patent/CN107254579B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1718772A (en) * | 2005-08-02 | 2006-01-11 | 怀集县汽车配件制造有限责任公司 | Technological method for eliminating engine valve disk terminal conical face fensile stress and its equipment |
| CN105274307A (en) * | 2015-11-13 | 2016-01-27 | 兰州飞行控制有限责任公司 | Local annealing heat treatment method for small part |
| CN207031505U (en) * | 2017-08-09 | 2018-02-23 | 贵州大学 | A kind of high-temperature alloy steel self-plugging rivet nail set local annealing device |
Cited By (5)
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|---|---|---|---|---|
| CN108611478A (en) * | 2018-05-07 | 2018-10-02 | 浙江省三门县长龙汽配有限公司 | Clutch compressing disc rivet manufacturing method |
| CN112588861A (en) * | 2020-11-23 | 2021-04-02 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging component and operation method |
| CN112588861B (en) * | 2020-11-23 | 2023-06-06 | 江西联创光电超导应用有限公司 | Bracket structure for feeding and discharging parts and operation method |
| CN112481564A (en) * | 2020-11-26 | 2021-03-12 | 海亮奥托铜管（广东）有限公司 | Alloy copper pipe annealing device and alloy copper pipe annealing treatment method |
| CN113482999A (en) * | 2021-07-05 | 2021-10-08 | 航天精工股份有限公司 | High-strength rivet resistant to high temperature and corrosion and easy to rivet and manufacturing method thereof |
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