CN203148198U - Intermediate frequency heating furnace - Google Patents
Intermediate frequency heating furnace Download PDFInfo
- Publication number
- CN203148198U CN203148198U CN 201220637223 CN201220637223U CN203148198U CN 203148198 U CN203148198 U CN 203148198U CN 201220637223 CN201220637223 CN 201220637223 CN 201220637223 U CN201220637223 U CN 201220637223U CN 203148198 U CN203148198 U CN 203148198U
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- heating furnace
- heating
- inductor
- communication unit
- oil cylinder
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Abstract
The utility model discloses an intermediate frequency heating furnace which comprises a frame, a pushing oil cylinder, a pushing oil cylinder motor, a pushing rack, a heating inductor, an inductor power source and a heating furnace control system, wherein the heating furnace control system comprises a heating furnace communication unit, a heating furnace CPU (Central Processing Unit) control unit, a heating furnace data input control unit, a heating furnace data output control unit, a pushing oil cylinder position sensor, a pushing rack position sensor, a heating inductor feed and discharge position sensor and a discharge temperature measurement sensor. According to the utility model, the heating furnace control system is additionally arranged in a conventional intermediate frequency heating furnace to conduct automatic reform, and the heating furnace communication unit is arranged in the heating furnace control system and is networked with an external device (such as an extruder and a robot) through a communication interface to realize high-efficiency automatic harmonious production and improve the production efficiency.
Description
Technical field
The utility model relates to a kind of heating furnace, a kind of intelligent heating in medium frequency stove for METAL HEATING PROCESS of specific design.
Background technology
The heating in medium frequency stove utilizes the inductor power of intermediate frequency to set up intermediate frequency magnetic field, and the inner inductive loop that produces of ferromagnetic material is also generated heat, and reaches the purpose of heating material.The inductor power of heating in medium frequency stove is a kind of supply unit that power frequency 50HZ alternating current is changed into intermediate frequency (300HZ is above to 20K HZ), the three-phase main-frequency alternating current, become direct current after the rectification, again direct current is become adjustable electric current of intermediate frequency, supply is by the intermediate frequency alternating current that flows through in electric capacity and the induction coil, in induction coil, produce the highdensity magnetic line of force, and the metal material that holds in the cutting induction coil, very big eddy current in metal material, produced.This eddy current has some character of electric current of intermediate frequency equally, that is, the free electron of metal self will produce heat having in the metallic object of resistance to flow.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, the hot-wire coil self-temperature is very low, periphery is heated to rubescent, even fusing, and this speed rubescent and fusing just can realize as long as regulate the power of inductor power frequency size and electric current.The heating in medium frequency stove adopts the inductor power of 200-2500Hz intermediate frequency to carry out eddy-current heating, the melting insulation, and the heating in medium frequency stove is mainly used in the melting carbon steel, steel alloy, special steel also can be used for copper, the melting of non-ferrous metals such as aluminium and temperature raising. equipment volume is little, in light weight, efficient height, little power consumption, the fusing quick heating, furnace temperature is easy to control, and therefore the production efficiency height is widely used.
But existing heating in medium frequency stove automatization level is low, advances metal stock to heat by manually-operated, can't carry out the intelligent networking cooperating with other automation equipment, and production efficiency is lower; What existing heating in medium frequency stove adopted simultaneously is to wait the pitch of turn inductor, and whole heating interval keeps same heating-up temperature, and different warm areas can't be set according to the heat characteristic of product, the low and energy waste of the efficiency of heating surface.
The utility model content
The purpose of this utility model is at the problems referred to above weak point, a kind of automaticity height is provided, can realizes the heating in medium frequency stove of intelligent networking cooperating with external equipment.
In order to achieve the above object, the utility model by the following technical solutions;
The heating in medium frequency stove, 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: the 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 the heating furnace communication unit; Heating furnace data Input Control Element, it is electrically connected with the heating furnace communication unit; The 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; The material-pushing frame position sensor, it is electrically connected with heating furnace data Input Control Element; 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 the 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 the heating furnace communication unit, sends control information to pusher oil cylinder motor and inductor power by the heating furnace communication unit after handling and carries out the work execution.
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 the 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 for becoming 2/3rds of pitch of turn inductor longitudinal length, and discharge end is incubated the longitudinal length in narrow pitch of turn interval for becoming 1/3rd of pitch of turn inductor longitudinal length.
As preferably, be provided with multiturn in the described inductor power and compare intermediate-frequency transformer.
The utility model increases heater control system to existing heating in medium frequency stove, carry out automatic improving, and it is built-in with the heating furnace communication unit, by communication interface and external equipment networking, as with networkings such as extruder and robot, realize that high-efficient automatic coordinates production, enhance productivity.
Description of drawings
Fig. 1 is heating in medium frequency furnace structure schematic diagram described in the utility model.
Fig. 2 is heating in medium frequency furnace structure side view described in the utility model.
Fig. 3 is heating in medium frequency stove control principle sketch described in the utility model.
Below come the utility model is further described by the drawings and specific embodiments:
The specific embodiment
Shown in Fig. 1,2 and 3, heating in medium frequency stove described in the utility model 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 that heating furnace CPU control module 72 connects 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 be used for the robot of 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, is used for analyzing and handling the related data information of heating furnace communication unit 71 transmission.
Heating furnace data Input Control Element 73, it is electrically connected with heating furnace communication unit 71.Further, described heating furnace data Input Control Element 73 built-in A/D analog-digital converters are used for that the analogue data of expansion equipment (as related sensor) is converted to numerical data and are sent to heating furnace communication unit 71.
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, described heating furnace data output control unit 74 built-in D/A digital to analog converters, the digital data conversion that is used for heating furnace communication unit 71 is transmitted is that analogue data is sent to pusher oil cylinder motor 3 and inductor power 6.
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, it is electrically connected with heating furnace data Input Control Element 73, 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 the 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, send control information to pusher oil cylinder motor 3 and inductor power 6 by heating furnace communication unit 71 after handling and carry out the work execution, and then realize automatic intelligent control.
Further concrete, described heating inductor 5 is for becoming the 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 for becoming 2/3rds of pitch of turn inductor longitudinal length, and discharge end is incubated the longitudinal length in narrow pitch of turn interval for becoming 1/3rd of pitch of turn inductor longitudinal length.It is shorter heat time heating time than the existing pitch of turn inductor that waits under identical power to become the pitch of turn inductor, efficiency of heating surface height, and can corresponding warm area, energy-saving and emission-reduction be set because of actual conditions.The mode of described change pitch of turn refers to that axial width (pitch of turn) feed end of copper pipe (being generally the square-section copper pipe) of coiling inductor coil is narrower, discharge end is wideer, 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 can make the very fast rising of temperature in inductor feed end maximum.
As preferably, be provided with multiturn than intermediate-frequency transformer in the described inductor power 6, multiturn can be exported according to actual conditions flexible transformation voltage than intermediate-frequency transformer.
The utility model increases heater control system to existing heating in medium frequency stove, carry out automatic improving, and it is built-in with the heating furnace communication unit, by communication interface and external equipment networking, as with networkings such as extruder and robot, realize that high-efficient automatic coordinates production, enhance productivity.Simultaneously, adopt to become the pitch of turn inductor, the efficient of heating is provided, and energy-saving and emission-reduction.
Claims (7)
1. the heating in medium frequency stove 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:
The 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 the heating furnace communication unit;
Heating furnace data Input Control Element, it is electrically connected with the heating furnace communication unit;
The 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;
The material-pushing frame position sensor, it is electrically connected with heating furnace data Input Control Element;
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
The 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 the heating furnace communication unit, sends control information to pusher oil cylinder motor and inductor power by the heating furnace communication unit after handling and carries out the work execution.
2. heating in medium frequency stove according to claim 1, it is characterized in that: described heating furnace communication unit is PROFIBUS DP communication unit.
3. heating in medium frequency stove 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. heating in medium frequency stove 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. heating in medium frequency stove according to claim 1 is characterized in that: described heating inductor is for becoming the pitch of turn inductor.
6. heating in medium frequency stove 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 for becoming 2/3rds of pitch of turn inductor longitudinal length, and discharge end is incubated the longitudinal length in narrow pitch of turn interval for becoming 1/3rd of pitch of turn inductor longitudinal length.
7. heating in medium frequency stove according to claim 1 is characterized in that: be provided with multiturn in the described inductor power and compare intermediate-frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637223 CN203148198U (en) | 2012-11-27 | 2012-11-27 | Intermediate frequency heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637223 CN203148198U (en) | 2012-11-27 | 2012-11-27 | Intermediate frequency heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148198U true CN203148198U (en) | 2013-08-21 |
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ID=48975715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220637223 Withdrawn - After Issue CN203148198U (en) | 2012-11-27 | 2012-11-27 | Intermediate frequency heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836920A (en) * | 2012-11-27 | 2014-06-04 | 广东富华重工制造有限公司 | Intermediate frequency heating furnace |
| CN104534886A (en) * | 2014-12-31 | 2015-04-22 | 镇江市高等专科学校 | Assembly type inductor |
-
2012
- 2012-11-27 CN CN 201220637223 patent/CN203148198U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836920A (en) * | 2012-11-27 | 2014-06-04 | 广东富华重工制造有限公司 | Intermediate frequency heating furnace |
| CN103836920B (en) * | 2012-11-27 | 2015-12-16 | 广东富华重工制造有限公司 | Intermediate-frequency heating furnace |
| CN104534886A (en) * | 2014-12-31 | 2015-04-22 | 镇江市高等专科学校 | Assembly type inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |