CN108611475A - A kind of equipment of the general segmentation integral heating quenching of shaped piece - Google Patents
A kind of equipment of the general segmentation integral heating quenching of shaped piece Download PDFInfo
- Publication number
- CN108611475A CN108611475A CN201810675839.3A CN201810675839A CN108611475A CN 108611475 A CN108611475 A CN 108611475A CN 201810675839 A CN201810675839 A CN 201810675839A CN 108611475 A CN108611475 A CN 108611475A
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- China
- Prior art keywords
- induction coil
- quenching
- electric furnace
- shaped piece
- heating
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Classifications
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
-
- 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
- C21D1/40—Direct resistance 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
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of equipment of the general segmentation integral heating quenching of shaped piece, including Medium frequency induction coil heats stove, electric furnace, conveyer belt device and quenching unit, the Medium frequency induction coil heats stove, electric furnace, conveyer belt device and quenching unit sequentially form drop and fall into formula connection, shorten 90% or so compared to traditional heating technique using such equipment production cycle, the shaped piece product comprehensive mechanical property produced is good, grain size >=4 grade, the more conventional technique quenching of through hardening layer depth improves 1 times, shaped piece through hardening layer depth is deep, it deforms small, automated production may be implemented, equipment the present invention also provides the above method is realized, its is simple in structure, cost is relatively low, versatility is stronger.
Description
Technical field
The present invention relates to technical field of heat treatment, the equipment of specially a kind of general segmentation integral heating quenching of shaped piece.
Background technology
With the development of science and technology, shaped piece, which integrally heats, is mainly added using the non-contact heating of electricity/natural gas and salt bath
Heat uses individually individually designed induction coil.Salt bath heating for problem of environmental pollution, current utilization rate continuously decrease,
Therefore the mode of heating of mainstream or the non-contact heating of electricity/natural gas.Since the non-contact heating speed of electricity/natural gas is slow, when adopting
When being quenched with high-temperature heating, coarse grains problem is serious, limits the reality that high temperature quenching improves this technique of through hardening layer depth
Using.What is typically encountered in industrialized production is the actual production problem of multi-varieties and small-batch, independent design induction coil cost
Height, replacing burner influences production efficiency, is badly in need of a kind of general shaped piece integral heating quenching process.
High temperature quenching improves that through hardening layer depth is most common applies in being hot-forged immediate quenching, the more conventional tune of through hardening layer depth
Matter technique improves 1 times or so, and quality-advantage is apparent.Due to high-temperature heating, the more conventional technique of autstenitic grain size of part is thick, quenches
Permeable layers depth is deep.Autstenitic grain size is controlled in certain range without overheating, is the core of technique application.
Electricity/heated by natural gas speed is slow, when heating temperature is higher, since the heating-up time is long, along with needing to keep the temperature
For a period of time, lead to the coarse grains of product, surface oxidation decarburized layer is deeper, influences appearance and performance.
Although austenitizing temperature can be rapidly achieved using induction heating mode, it is mainly used in round bar and plate etc.
In rule product heating, there are problems that non-uniform temperature for the shaped piece of the ㎏ of weight in irregular shape≤35, need basis
Part shape designs special inductor, and versatility is not strong.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of general segmentation of shaped piece integrally heating is quenched
The equipment of fire, including Medium frequency induction coil heats stove, electric furnace, conveyer belt device and quenching unit, Medium frequency induction coil
Drop falls into formula connection successively for heating furnace, electric furnace, conveyer belt device and quenching unit, wherein
Medium frequency induction coil heats stove includes induction coil burner hearth and the induction coil that is arranged in induction coil burner hearth,
One end of induction coil burner hearth is equipped with the heating fire door of feeding, and the other end of induction coil burner hearth is equipped with the plug for outlet of discharging, goes out
Double infrared temperature measurement apparatus of control heating power are additionally provided at fire door；
Electric furnace includes the electric furnace ontology for being internally provided with guipure, the wind turbine in electric furnace bodies top is arranged, and setting
It is used for the electric furnace thermocouple of thermometric in wind turbine side, electric furnace ontology one end to be equipped with the electric furnace door that position is less than plug for outlet, electric furnace sheet
The other end of body is equipped with the stove tail-gate that position is higher than conveyer belt device；
Conveyer belt device includes the frequency converter of controlling transmission speed；
Quenching unit includes quenching tank ontology, and quenching tank ontology top side is equipped with the blanking port for connecing shaped piece, quenching tank
The other side on ontology top is equipped with and the integrally formed guipure hoisting mechanism of quenching tank ontology, guipure hoisting mechanism and the blanking
It is additionally provided with Quench heating pipe and quenching tank thermocouple between mouthful, agitating device and and agitating device are additionally provided in quenching tank ontology
The circulator of connection,
Double infrared temperature measurement apparatus lower ends are additionally provided with heat insulating door curtain at the plug for outlet of induction coil burner hearth,
Medium frequency induction coil heats stove is the rectangular induction coil or circle that induction coil diameter is more than shaped piece maximum gauge
Shape induction coil.
The equipment advantageous effect of the general segmentation integral heating quenching of this kind of shaped piece in the present invention is：
1, equipment interoperability is strong, need not design inductor according to part shape, can be quenched to shaped piece heat stepwise.
2, shorten 90% or so compared to traditional heating technique using such method production cycle.
3, product comprehensive mechanical property is good, grain size >=4 grade, and the more conventional technique quenching of through hardening layer depth improves 1 times, abnormity
Part through hardening layer depth is deep, and deformation is small, and automated production may be implemented.
4, machinability is good, and due to through hardening layer depth, upper bainite tissue is few, and machinability is excellent.
5, energy saving, due to mainly sensing heating being used to heat up, capacity usage ratio is up to 90%, and common electric furnace energy utilization
Rate is generally 80%.
6, quenching distortion is small, and the quenching condition slower than conventional quenching cooling velocity may be used and quenched, and reduces deformation.
7, equipment using guipure sequentially forms drop and falls into formula shaped piece easy to connect falls into transmission in transmission process, ties
Structure is simple, and cost also compares low.
8, the frequency converter including controlling transmission speed may further ensure that quenching hardness and deformation control in conveyer belt device
System.
9, quenching tank ontology top is equipped with to be promoted by guipure with the integrally formed guipure hoisting mechanism of quenching tank ontology and increase
The consistency of shaped piece is added.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of present device；
Fig. 2 is the enlarged structure schematic diagram at F；
Fig. 3 is the enlarged structure schematic diagram at G.
In figure：1. Medium frequency induction coil heats stove, 2. electric furnaces, 3. conveyer belt devices, 4. quenching units, 5. door curtains,
6. guipure, 11. induction coil burner hearths, 12. induction coils, 13. heating fire doors, 14. plug for outlet, 15. pairs of infrared temperature measurement apparatus,
21. electric furnace ontology, 22. wind turbines, 23. electric furnace thermocouples, 24. electric furnace doors, 25. stove tail-gates, 31. frequency converters, 41. quenching tank sheets
Body, 42. blanking ports, 43. guipure hoisting mechanisms, 44. Quench heating pipes, 45. quenching tank thermocouples, 46. agitating devices, 47. follow
Loop device.
Pay attention to：1. shaped piece described in this description is expressed as the workpiece product of irregular structure.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment one：
A kind of equipment of the general segmentation integral heating quenching of shaped piece, including Medium frequency induction coil heats stove 1, electric furnace
2, conveyer belt device 3 and quenching unit 4, Medium frequency induction coil heats stove 1, electric furnace 2, conveyer belt device 3 and quenching
Drop falls into formula connection to device 4 successively, wherein Medium frequency induction coil heats stove 1 includes that induction coil burner hearth 11 and setting exist
Induction coil 12 in induction coil burner hearth 11, one end of induction coil burner hearth 11 are equipped with the heating fire door 13 of feeding, the line of induction
The other end for enclosing burner hearth 11 is equipped with the plug for outlet 14 of discharging, and double infrared measurement of temperature dress of control heating power is additionally provided at plug for outlet 14
Set 15；Electric furnace 2 includes the electric furnace ontology 21 for being internally provided with guipure 6, the wind turbine 22 at 21 top of electric furnace ontology is arranged, and
It is arranged and is used for the electric furnace thermocouple 23 of thermometric in 22 side of wind turbine, 1 one end of electric furnace ontology is equipped with the electricity that position is less than plug for outlet 14
The other end of fire door 24, electric furnace ontology 1 is equipped with the stove tail-gate 25 that position is higher than conveyer belt device 3；Conveyer belt device 3 includes control
The frequency converter 31 of transmission speed；Quenching unit 4 includes quenching tank ontology 41, and 41 top side of quenching tank ontology is equipped with and connects shaped piece
Blanking port 42, the other side on 41 top of quenching tank ontology be equipped with 1 integrally formed guipure hoisting mechanism 43 of quenching tank ontology,
Quench heating pipe 44 and quenching tank thermocouple 45, quenching tank ontology are additionally provided between guipure hoisting mechanism 43 and the blanking port 42
Agitating device 46 and the circulator being connect with agitating device 46 47, the plug for outlet 14 of induction coil burner hearth 11 are additionally provided in 1
Double 15 lower ends of infrared temperature measurement apparatus in place are additionally provided with heat insulating door curtain 5, and Medium frequency induction coil heats stove 1 is that 12 diameter of induction coil is more than
The rectangular induction coil of shaped piece maximum gauge or round induction coil.
Specifically used method：Shaped piece is emitted on the heating furnace of Medium frequency induction coil heats stove 1 by step A, feeding successively
Feeding is carried out at mouth 13；Step B, heating in medium frequency transmits step A shaped pieces after Medium frequency induction coil heats stove 1 with ＞ 200
DEG C/the quick heating in medium frequency 3-5min of speed of min makes temperature reach 1000-1150 DEG C；Step C, electrical heating；It will add in step B
Shaped piece after heat enters back into electric furnace 2 and is heated to 1000-1050 DEG C of progress samming processing after coming out of the stove, the heating samming
Time control is in 3-5min；Step D, precooling treatment, samming being heated in step C, treated that shaped piece passes through conveyer belt device
3 carry out precooling treatment 1-60S；Shaped piece after precooling treatment in step D is entered quenching unit 4 and led to by step E, quenching treatment
The quenching liquid (not shown in figure) crossed in quenching unit 4 carries out quenching cooling treatment, in step B the time of heating in medium frequency be
The time of precooling treatment selects according to the material and weight of shaped piece in 4min, step D：The shaped piece material is carbon steel, weight
When measuring 5 ㎏ of ＜, the pre-coo time is 1-5S, and the shaped piece material is carbon steel, and when weight 5 ㎏ of ＞, the pre-coo time is
5-30S；The shaped piece material is steel alloy, and when weight 5 ㎏ of ＜, the pre-coo time is 10-30S, the shaped piece material
For steel alloy, when weight 5 ㎏ of ＞, the pre-coo time is 30-60S, and quenching liquid is according to different described in step E described in step E
The material and product weight of shape part are selected：The shaped piece material is carbon steel, and weight≤1kg, the quenching liquid is using slow
Fast quenching oil；The shaped piece material is carbon steel, and weight ＞ 1kg are stated quenching liquid and quenched using 5-10% ployalkylene glycol water solubilitys
Fiery liquid；The shaped piece material is steel alloy, the quenching liquid using quenching oil at a slow speed, the cool time described in step E according to
The size selection of quenching liquid and shaped piece：Use 5-10% ployalkylene glycols water-soluble quenching liquid with 1-2mm/S quench it is cold
But it handles；Use at a slow speed quenching oil quenching liquid quenching cooling treatment is carried out with 1mm/3-5S.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any label in claim should not be considered as and be limited the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (3)
1. a kind of equipment of the general segmentation integral heating quenching of shaped piece, it is characterised in that：Including Medium frequency induction coil heats stove,
Electric furnace, conveyer belt device and quenching unit, the Medium frequency induction coil heats stove, electric furnace, conveyer belt device with
And quenching unit sequentially forms drop and falls into formula connection, wherein
The Medium frequency induction coil heats stove includes induction coil burner hearth and the induction that is arranged in the induction coil burner hearth
Coil, one end of the induction coil burner hearth are equipped with the heating fire door of feeding, and the other end of the induction coil burner hearth is equipped with out
The plug for outlet of material is additionally provided with double infrared temperature measurement apparatus of control heating power at the plug for outlet；
The electric furnace includes the electric furnace ontology for being internally provided with guipure, the wind turbine in the electric furnace bodies top is arranged, and
It is arranged and is used for the electric furnace thermocouple of thermometric in the wind turbine side, electric furnace ontology one end is equipped with position and is less than the plug for outlet
Electric furnace door, the other end of the electric furnace ontology is equipped with the stove tail-gate that position is higher than the transmitting device；
The conveyer belt device includes the frequency converter of controlling transmission speed；
The quenching unit includes quenching tank ontology, and quenching tank ontology top side is equipped with the blanking for connecing the shaped piece
Mouthful, the other side on quenching tank ontology top be equipped with the integrally formed guipure hoisting mechanism of the quenching tank ontology, it is described
It is additionally provided with Quench heating pipe and quenching tank thermocouple between guipure hoisting mechanism and the blanking port, is gone back in the quenching tank ontology
The circulator being connect equipped with agitating device and with the agitating device.
2. equipment according to claim 1, it is characterised in that：Double infrared measurement of temperature at the plug for outlet of the induction coil burner hearth
Device lower end is additionally provided with heat insulating door curtain.
3. equipment according to claim 2, it is characterised in that：The Medium frequency induction coil heats stove is induction coil diameter
More than the rectangular induction coil of the shaped piece maximum gauge or round induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675839.3A CN108611475A (en) | 2018-06-27 | 2018-06-27 | A kind of equipment of the general segmentation integral heating quenching of shaped piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675839.3A CN108611475A (en) | 2018-06-27 | 2018-06-27 | A kind of equipment of the general segmentation integral heating quenching of shaped piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108611475A true CN108611475A (en) | 2018-10-02 |
Family
ID=63665760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810675839.3A Pending CN108611475A (en) | 2018-06-27 | 2018-06-27 | A kind of equipment of the general segmentation integral heating quenching of shaped piece |
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| Country | Link |
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| CN (1) | CN108611475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455145A (en) * | 2020-05-20 | 2020-07-28 | 吕友飞 | Batch quenching device for hardware fitting production and quenching method thereof |
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| CN2633896Y (en) * | 2003-07-23 | 2004-08-18 | 中国重型汽车集团有限公司 | Heat treatment device using forging waste heat |
| CN201817517U (en) * | 2010-06-24 | 2011-05-04 | 安徽省三方耐磨股份有限公司 | Energy-saving metal heat treatment device |
| CN203155748U (en) * | 2013-02-25 | 2013-08-28 | 湖州银都铝业有限公司 | Electromagnetic induction heating furnace |
| CN104032112A (en) * | 2014-06-17 | 2014-09-10 | 东北大学 | Multifunctional heat treatment system for steel pipe |
| CN204281794U (en) * | 2014-11-20 | 2015-04-22 | 浙江宇清炉料科技有限公司 | A kind of basic part heat treatment production device |
| CN205784585U (en) * | 2016-05-30 | 2016-12-07 | 新昌县儒岙镇中意小礼品加工厂 | The resistance furnace that a kind of parts machining is special |
| CN206219639U (en) * | 2016-11-09 | 2017-06-06 | 河间市宝泽龙金属材料有限公司 | A kind of Medium Frequency Induction Heating Furnace |
| CN208517468U (en) * | 2018-06-27 | 2019-02-19 | 江苏龙城精锻有限公司 | A kind of equipment of the general segmentation integral heating quenching of shaped piece |
-
2018
- 2018-06-27 CN CN201810675839.3A patent/CN108611475A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633896Y (en) * | 2003-07-23 | 2004-08-18 | 中国重型汽车集团有限公司 | Heat treatment device using forging waste heat |
| CN201817517U (en) * | 2010-06-24 | 2011-05-04 | 安徽省三方耐磨股份有限公司 | Energy-saving metal heat treatment device |
| CN203155748U (en) * | 2013-02-25 | 2013-08-28 | 湖州银都铝业有限公司 | Electromagnetic induction heating furnace |
| CN104032112A (en) * | 2014-06-17 | 2014-09-10 | 东北大学 | Multifunctional heat treatment system for steel pipe |
| CN204281794U (en) * | 2014-11-20 | 2015-04-22 | 浙江宇清炉料科技有限公司 | A kind of basic part heat treatment production device |
| CN205784585U (en) * | 2016-05-30 | 2016-12-07 | 新昌县儒岙镇中意小礼品加工厂 | The resistance furnace that a kind of parts machining is special |
| CN206219639U (en) * | 2016-11-09 | 2017-06-06 | 河间市宝泽龙金属材料有限公司 | A kind of Medium Frequency Induction Heating Furnace |
| CN208517468U (en) * | 2018-06-27 | 2019-02-19 | 江苏龙城精锻有限公司 | A kind of equipment of the general segmentation integral heating quenching of shaped piece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455145A (en) * | 2020-05-20 | 2020-07-28 | 吕友飞 | Batch quenching device for hardware fitting production and quenching method thereof |
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