CN103836920A - Intermediate frequency heating furnace - Google Patents
Intermediate frequency heating furnace Download PDFInfo
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- CN103836920A CN103836920A CN201210497429.7A CN201210497429A CN103836920A CN 103836920 A CN103836920 A CN 103836920A CN 201210497429 A CN201210497429 A CN 201210497429A CN 103836920 A CN103836920 A CN 103836920A
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- heating furnace
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- 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
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- 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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Abstract
The invention discloses an intermediate frequency heating furnace which comprises a machine frame, a material pushing oil cylinder, a material pushing oil cylinder motor, a material pushing frame, a heating inductor, an inductor power source and a heating furnace control system. The heating furnace control system comprises a heating furnace communication unit, a heating furnace CPU, a heating furnace data input control unit, a heating furnace data output control unit, a material pushing oil cylinder position sensor, a material pushing frame position sensor, a heating inductor feeding and discharging position sensor and a discharging temperature measuring sensor. According to the intermediate frequency heating furnace, a heating furnace control system is additionally arranged on an existing intermediate frequency heating furnace, automation construction is carried out, the heating furnace communication unit is arranged in the system, and is in networking with external devices, such as an extruding machine and a robot, through a communication interface, efficient and automatic coordination production is achieved, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of heating furnace, a kind of Intelligent medium-frequency heating furnace for METAL HEATING PROCESS of specific design.
Background technology
Intermediate-frequency heating furnace utilizes the inductor power of intermediate frequency to set up intermediate frequency magnetic field, makes Ferromagnetic Material produce inductive loop heating, reaches the object of heating material.The inductor power of intermediate-frequency heating furnace is a kind of supply unit that power frequency 50HZ alternating current is changed into intermediate frequency (300HZ is above to 20K HZ), three-phase main-frequency alternating current, after rectification, become direct current, again direct current is become to adjustable electric current of intermediate frequency, supply with by the intermediate frequency alternating current flowing through in electric capacity and induction coil, in induction coil, produce the highdensity magnetic line of force, and cut the metal material holding in induction coil, in metal material, produce very large eddy current.This eddy current has the properties of electric current of intermediate frequency equally, that is, the free electron of metal self flows and will produce heat in the metallic object that has resistance.Such as, a metal cylinder is placed in the induction coil of alternation electric current of intermediate frequency, metal cylinder does not directly contact with induction coil, hot-wire coil self-temperature is very low, periphery is heated to rubescent, even fusing, and the power that this speed rubescent and fusing needs only adjusting inductor power frequency size and electric current just can realize.Intermediate-frequency heating furnace adopts the inductor power of 200-2500Hz intermediate frequency to carry out eddy-current heating, melting insulation, and intermediate-frequency heating furnace is mainly used in melting carbon steel, steel alloy, special steel, also can be used for copper, the melting of the non-ferrous metals such as aluminium and temperature raising. equipment volume is little, lightweight, efficiency is high, little power consumption, fusing quick heating, furnace temperature is easy to control, and production efficiency is high, is therefore widely used.
But existing intermediate-frequency heating furnace automatization level is low, advance metal stock to heat by manual operation, cannot carry out intelligent networking cooperating with other automation equipment, production efficiency is lower; What simultaneously existing intermediate-frequency heating furnace adopted is to wait pitch of turn inductor, and whole heating interval keeps same heating-up temperature, cannot different warm areas be set according to the heat characteristic of product, the low and energy waste of the efficiency of heating surface.
Summary of the invention
The object of the invention is to for the problems referred to above weak point, the intermediate-frequency heating furnace that a kind of automaticity is high, can realize with external equipment intelligent networking cooperating is provided.
In order to achieve the above object, the present invention by the following technical solutions;
Intermediate-frequency heating furnace, comprise frame, pusher oil cylinder, pusher oil cylinder motor, material-pushing frame, heating inductor and inductor power, also comprise heater control system, this heater control system comprises: heating furnace communication unit, its be provided with for the communication interface of external equipment networking; Heating furnace CPU control module, it is electrically connected with heating furnace communication unit; Heating furnace data Input Control Element, it is electrically connected with heating furnace communication unit; Heating furnace data output control unit, it is electrically connected with heating furnace communication unit, pusher oil cylinder motor and inductor power; Pusher oil cylinder position sensor, it is electrically connected with heating furnace data Input Control Element; Material-pushing frame position sensor, its heating furnace data Input Control Element electrical connection; Heating inductor input and output material position sensor, it is located at the import and export of heating inductor, and is electrically connected with heating furnace data Input Control Element; And discharging temperature transducer, it is located at the exit of heating inductor, and is electrically connected with heating furnace data Input Control Element; Described heating furnace CPU control module receives pusher oil cylinder position sensor, material-pushing frame position sensor, heating inductor input and output material position sensor, discharging temperature transducer feedack by heating furnace communication unit, sends control information to pusher oil cylinder motor and inductor power carry out work execution after processing by heating furnace communication unit.
As preferably, described heating furnace communication unit is PROFIBUS DP communication unit.
Further, the built-in A/D analog-digital converter of described heating furnace data Input Control Element.
Further, the built-in D/A digital to analog converter of described heating furnace data output control unit.
As preferably, described heating inductor is for becoming pitch of turn inductor; Described change pitch of turn inductor is provided with feeding end high temperature narrow pitch of turn interval and discharge end is incubated narrow pitch of turn interval, wherein the longitudinal length in the narrow pitch of turn of feeding end high temperature interval is to become 2/3rds of pitch of turn inductor longitudinal length, and the longitudinal length that discharge end is incubated narrow pitch of turn interval is to become 1/3rd of pitch of turn inductor longitudinal length.
As preferably, in described inductor power, be provided with multiturn and compare intermediate-frequency transformer.
The present invention increases heater control system to existing intermediate-frequency heating furnace, carry out automatic improving, and it is built-in with heating furnace communication unit, by communication interface and external equipment networking, as with the networking such as extruder and robot, realize high-efficient automatic and coordinate production, enhance productivity.
Accompanying drawing explanation
Fig. 1 is intermediate-frequency heating furnace structural representation of the present invention.
Fig. 2 is intermediate-frequency heating furnace structure side view of the present invention.
Fig. 3 is intermediate-frequency heating furnace control principle sketch of the present invention.
Come by the drawings and specific embodiments below that the invention will be further described:
The specific embodiment
As shown in Figure 1,2 and 3, intermediate-frequency heating furnace of the present invention, comprises frame 1, pusher oil cylinder 2, pusher oil cylinder motor 3, material-pushing frame 4, heating inductor 5, inductor power 6 and heater control system 7.Specific as follows:
As shown in Figure 3, described heater control system 7 comprises:
Heating furnace communication unit 71, be used for realizing heating furnace CPU control module 72 and connect expansion equipment (as related sensor and actuating unit), simultaneously heating furnace communication unit 71 be provided with for the communication interface of external equipment (as extruder and the robot for carrying) networking, can realize the intelligent coordinated work of networking.Further, this heating furnace communication unit 71 is PROFIBUS DP communication unit.
Heating furnace CPU control module 72, it is electrically connected with heating furnace communication unit 71, the related data information of transmitting for analyzing and process heating furnace communication unit 71.
Heating furnace data Input Control Element 73, it is electrically connected with heating furnace communication unit 71.Further, the built-in A/D analog-digital converter of described heating furnace data Input Control Element 73, is sent to heating furnace communication unit 71 for the analogue data of expansion equipment (as related sensor) is converted to numerical data.
Heating furnace data output control unit 74, it is electrically connected with heating furnace communication unit 71, pusher oil cylinder motor 3 and inductor power 6.Further, the built-in D/A digital to analog converter of described heating furnace data output control unit 74, is that analogue data is sent to pusher oil cylinder motor 3 and inductor power 6 for the digital data conversion that heating furnace communication unit 71 is transmitted.
Pusher oil cylinder position sensor 75, it is electrically connected with heating furnace data Input Control Element 73, and it is for detection of the positional information of oil cylinder.
Material-pushing frame position sensor 76, its heating furnace data Input Control Element 73 is electrically connected, and it is for detection of the positional information of material-pushing frame.
Heating inductor input and output material position sensor 77, it is located at the import and export of heating inductor 5, and is electrically connected with heating furnace data Input Control Element 73, for detection of pan feeding and the discharging situation of the import and export of heating inductor 5.
Discharging temperature transducer 78, it is located at the exit of heating inductor 5, and is electrically connected with heating furnace data Input Control Element 73, whether meets temperature requirement for detection of the blank after heating.
Described heating furnace CPU control module 72 receives pusher oil cylinder position sensor 75, material-pushing frame position sensor 76, heating inductor input and output material position sensor 77, discharging temperature transducer feedack 78 by heating furnace communication unit 71, after processing, send control information to pusher oil cylinder motor 3 and inductor power 6 by heating furnace communication unit 71 and carry out work execution, and then realize automatic intelligent control.
Further concrete, described heating inductor 5 is for becoming pitch of turn inductor; This change pitch of turn inductor is provided with feeding end high temperature narrow pitch of turn interval and discharge end is incubated narrow pitch of turn interval, wherein the longitudinal length in the narrow pitch of turn of feeding end high temperature interval is to become 2/3rds of pitch of turn inductor longitudinal length, and the longitudinal length that discharge end is incubated narrow pitch of turn interval is to become 1/3rd of pitch of turn inductor longitudinal length.Become pitch of turn inductor and wait the pitch of turn inductor heat time short than existing under identical power, the efficiency of heating surface is high, and can corresponding warm area be set because of actual conditions, energy-saving and emission-reduction.The mode of described change pitch of turn refers to that axial width (pitch of turn) feed end of copper pipe (being generally square-section copper pipe) of coiling inductor coil is narrower, discharge end is wider, generally be divided into two-stage or three grades, this design is because pass through identical electric current in all coils, magnetic field intensity and unit power, in inductor feed end maximum, can make temperature raise very soon.
As preferably, in described inductor power 6, be provided with multiturn than intermediate-frequency transformer, multiturn can be according to actual conditions flexible transformation Voltage-output than intermediate-frequency transformer.
The present invention increases heater control system to existing intermediate-frequency heating furnace, carry out automatic improving, and it is built-in with heating furnace communication unit, by communication interface and external equipment networking, as with the networking such as extruder and robot, realize high-efficient automatic and coordinate production, enhance productivity.Meanwhile, adopt and become pitch of turn inductor, the efficiency of heating is provided, and energy-saving and emission-reduction.
Claims (7)
1. intermediate-frequency heating furnace, comprises frame, pusher oil cylinder, pusher oil cylinder motor, material-pushing frame, heating inductor and inductor power, it is characterized in that, also comprise heater control system, this heater control system comprises:
Heating furnace communication unit, its be provided with for the communication interface of external equipment networking;
Heating furnace CPU control module, it is electrically connected with heating furnace communication unit;
Heating furnace data Input Control Element, it is electrically connected with heating furnace communication unit;
Heating furnace data output control unit, it is electrically connected with heating furnace communication unit, pusher oil cylinder motor and inductor power;
Pusher oil cylinder position sensor, it is electrically connected with heating furnace data Input Control Element;
Material-pushing frame position sensor, its heating furnace data Input Control Element electrical connection;
Heating inductor input and output material position sensor, it is located at the import and export of heating inductor, and is electrically connected with heating furnace data Input Control Element; And
Discharging temperature transducer, it is located at the exit of heating inductor, and is electrically connected with heating furnace data Input Control Element;
Described heating furnace CPU control module receives pusher oil cylinder position sensor, material-pushing frame position sensor, heating inductor input and output material position sensor, discharging temperature transducer feedack by heating furnace communication unit, sends control information to pusher oil cylinder motor and inductor power carry out work execution after processing by heating furnace communication unit.
2. intermediate-frequency heating furnace according to claim 1, is characterized in that: described heating furnace communication unit is PROFIBUS DP communication unit.
3. intermediate-frequency heating furnace according to claim 1, is characterized in that: the built-in A/D analog-digital converter of described heating furnace data Input Control Element.
4. intermediate-frequency heating furnace according to claim 1, is characterized in that: the built-in D/A digital to analog converter of described heating furnace data output control unit.
5. intermediate-frequency heating furnace according to claim 1, is characterized in that: described heating inductor is for becoming pitch of turn inductor.
6. spindle nose extrusion forming system according to claim 5, it is characterized in that: described change pitch of turn inductor is provided with feeding end high temperature narrow pitch of turn interval and discharge end is incubated narrow pitch of turn interval, wherein the longitudinal length in the narrow pitch of turn of feeding end high temperature interval is to become 2/3rds of pitch of turn inductor longitudinal length, and the longitudinal length that discharge end is incubated narrow pitch of turn interval is to become 1/3rd of pitch of turn inductor longitudinal length.
7. intermediate-frequency heating furnace according to claim 1, is characterized in that: in described inductor power, be provided with multiturn and compare intermediate-frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210497429.7A CN103836920B (en) | 2012-11-27 | 2012-11-27 | Intermediate-frequency heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497429.7A CN103836920B (en) | 2012-11-27 | 2012-11-27 | Intermediate-frequency heating furnace |
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| CN103836920A true CN103836920A (en) | 2014-06-04 |
| CN103836920B CN103836920B (en) | 2015-12-16 |
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| CN201210497429.7A Active CN103836920B (en) | 2012-11-27 | 2012-11-27 | Intermediate-frequency heating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555426A (en) * | 2018-06-06 | 2018-09-21 | 无锡应达工业有限公司 | A kind of welded tube high-frequency welding heating zone length control device |
| CN112379622A (en) * | 2020-11-13 | 2021-02-19 | 镇江赛尔尼柯自动化有限公司 | Modular ship valve control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2225478Y (en) * | 1995-07-26 | 1996-04-24 | 西安科光电控技术研究所 | Energy saving intermediate frequency heat treatment furnace |
| JP2002190374A (en) * | 2000-12-20 | 2002-07-05 | Nt Engineering Kk | Temperature-sensing method and mechanism for high- frequency induction heating apparatus |
| CN201293544Y (en) * | 2008-09-28 | 2009-08-19 | 鞍钢股份有限公司 | Mobile medium frequency induction heating furnace |
| CN101963446B (en) * | 2010-11-04 | 2012-05-23 | 四川展祥特种合金科技有限公司 | Vanadium and nitrogen alloy full-automatic vertical medium frequency induction heating furnace |
| CN203148198U (en) * | 2012-11-27 | 2013-08-21 | 广东富华重工制造有限公司 | Intermediate frequency heating furnace |
-
2012
- 2012-11-27 CN CN201210497429.7A patent/CN103836920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2225478Y (en) * | 1995-07-26 | 1996-04-24 | 西安科光电控技术研究所 | Energy saving intermediate frequency heat treatment furnace |
| JP2002190374A (en) * | 2000-12-20 | 2002-07-05 | Nt Engineering Kk | Temperature-sensing method and mechanism for high- frequency induction heating apparatus |
| CN201293544Y (en) * | 2008-09-28 | 2009-08-19 | 鞍钢股份有限公司 | Mobile medium frequency induction heating furnace |
| CN101963446B (en) * | 2010-11-04 | 2012-05-23 | 四川展祥特种合金科技有限公司 | Vanadium and nitrogen alloy full-automatic vertical medium frequency induction heating furnace |
| CN203148198U (en) * | 2012-11-27 | 2013-08-21 | 广东富华重工制造有限公司 | Intermediate frequency heating furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555426A (en) * | 2018-06-06 | 2018-09-21 | 无锡应达工业有限公司 | A kind of welded tube high-frequency welding heating zone length control device |
| CN112379622A (en) * | 2020-11-13 | 2021-02-19 | 镇江赛尔尼柯自动化有限公司 | Modular ship valve control system |
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| Publication number | Publication date |
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| CN103836920B (en) | 2015-12-16 |
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