CN110673671A - Intermediate frequency forging heating temperature management system - Google Patents
Intermediate frequency forging heating temperature management system Download PDFInfo
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- CN110673671A CN110673671A CN201911128777.5A CN201911128777A CN110673671A CN 110673671 A CN110673671 A CN 110673671A CN 201911128777 A CN201911128777 A CN 201911128777A CN 110673671 A CN110673671 A CN 110673671A
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- plc controller
- intermediate frequency
- management system
- alarm device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/32—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature with provision for adjustment of the effect of the auxiliary heating device, e.g. a function of time
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Forging (AREA)
Abstract
The invention discloses an intermediate frequency forging heating temperature management system which comprises a PLC (programmable logic controller), a thermocouple element, an analog output module, a touch screen, a function key, an acousto-optic alarm device, a state indicator lamp, an RS485 communication module and a switching power supply, wherein the PLC is powered by the switching power supply of an intermediate frequency heating furnace, the signal input end of the PLC is connected with the signal output end of the thermocouple element, the data output end of the PLC is connected with the data input end of the touch screen through the analog output module, the touch screen is provided with the function key, the output end of the function key is connected with the control input end of the PLC, the control output end of the PLC is respectively connected with the acousto-optic alarm device and the state indicator lamp, and the PLC is also connected with the RS485 communication module. In the intermediate frequency forging heating process, the heating process of the workpiece can be monitored in real time by adopting the invention, the overheating or overburning of the workpiece in the heating process is prevented, and the product quality is improved.
Description
Technical Field
The invention relates to the technical field of forging processing, in particular to a medium-frequency forging heating temperature management system.
Background
In the forging industry, the phenomena of overheating or overburning and the like often occur when the intermediate frequency furnace is used for heating products, and in order to control the working procedure, production enterprises can take some corresponding measures, such as: the method employs an experienced master or adopts infrared measurement and the like, but the effect is not ideal.
The practice of an experienced master is that people usually say "see the fire head", and the judgment is carried out by only depending on the color of the heated product, and after the first few products have no problems, the power and the heating time are determined. However, in the actual operation process, small equipment faults and production beat changes can often occur, the heating time can be prolonged, and phenomena such as overheating or overburning of products can occur at any time.
In the infrared measurement, when people usually measure a product by using an infrared thermometer, oxide skin is formed on the outer surface of the product, which directly affects the measurement accuracy of the temperature, and the measurement accuracy is lower than the actual temperature of the product by 100-200 ℃ according to experience, which has a great relationship with the time of discharging the product (the temperature of the product drops very fast at a high temperature of 1150 ℃), and the temperature of the product is directly affected by the fast and slow actions of an operator.
Disclosure of Invention
The invention aims to provide an intermediate frequency forging heating temperature management system aiming at the defects of the prior art, which can monitor the heating process of a workpiece in real time, prevent the workpiece from being overheated or overburning in the heating process and improve the product quality.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an intermediate frequency forges heating temperature management system, includes PLC controller, thermocouple component, analog output module, touch-sensitive screen, function button, audible-visual alarm device, status indicator lamp, RS485 communication module and switching power supply, the PLC controller is supplied power by the switching power supply of intermediate frequency heating furnace, and the signal input part of PLC controller is connected with thermocouple component's signal output part, and the data output part of PLC controller passes through analog output module to be connected with the data input part of touch-sensitive screen, is provided with the function button on the touch-sensitive screen, and the output of function button is connected with the control input part of PLC controller, and the control output part of PLC controller is connected with audible-visual alarm device and status indicator lamp respectively, and the PLC controller still is connected with RS485 communication module.
In the intermediate frequency forging heating process, a thermocouple element detects heat energy of a workpiece in an intermediate frequency heating furnace and transmits the detected heat energy to a PLC (programmable logic controller), the PLC outputs a temperature signal through an analog output module and transmits the temperature signal to a touch screen for displaying, meanwhile, the heat energy signal transmitted by the thermocouple element is converted into an electric energy signal, the temperature of the heated workpiece is directly controlled, namely when the temperature reaches the design requirement, the power can be automatically cut off, and the temperature in the furnace body is kept within a controllable range; when the temperature is lower than the designed temperature, the heating device can be restarted, so that the heating process of the workpiece can be monitored in real time, the workpiece is prevented from being overheated or overburning in the heating process, and the quality of the product is improved.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
In the figure: 1-a PLC controller; 2-a thermocouple element; 3-an analog output module; 4-a touch screen; 5-function key; 6-a sound and light alarm device; 7-status indicator lights; 8-RS 485 communication module; 9-switching power supply.
Detailed Description
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
As shown in fig. 1, the intermediate frequency forging heating temperature management system provided by the invention comprises a PLC controller 1, a thermocouple element 2, an analog output module 3, a touch screen 4, a function key 5, an audible and visual alarm device 6, a status indicator lamp 7, an RS485 communication module 8 and a switching power supply 9.
PLC controller 1 is supplied power by the switching power supply 9 of intermediate frequency heating furnace, PLC controller 1's signal input part is connected with thermocouple element 2's signal output part, PLC controller 1's data output part is connected with touch-sensitive screen 4's data input part through analog output module 3, be provided with function button 5 on the touch-sensitive screen 4, function button 5's output is connected with PLC controller 1's control input part, PLC controller 1's control output part is connected with audible and visual alarm 6 and status indicator lamp 7 respectively, PLC controller 1 still is connected with RS485 communication module 8.
In the intermediate frequency forging heating process, thermocouple element 2 detects the heat energy of work piece in the intermediate frequency heating furnace to give PLC controller 1 with the heat energy transmission who detects, PLC controller 1 passes through analog output module 3 output temperature signal, and gives touch-sensitive screen 4 and shows, can also give the host computer through RS485 communication module 8 transmission, realizes the on-the-spot behavior of host computer remote monitoring. In addition, an operator can set a temperature range through a function key 5 on the touch screen 4, the PLC controller 1 converts a heat energy signal transmitted by the thermocouple element 2 into an electric energy signal, and directly controls the temperature of a heating workpiece, namely, when the temperature reaches a design requirement, the power can be automatically cut off, and the temperature in the furnace body is kept in a controllable range; when the temperature is lower than the design temperature, the device is restarted, human factors are reduced, the fluctuation of equipment pressure in the forging process is reduced, the internal stress of the product is reduced, the risk of product cracks after heat treatment is greatly reduced, the metallographic structure and the mechanical property of the product are ensured, and after heating is finished, the PLC 1 controls the acousto-optic alarm device to prompt.
Claims (1)
1. The utility model provides a medium frequency forges heating temperature management system which characterized in that: including PLC controller, thermocouple component, analog output module, touch-sensitive screen, function button, audible and visual alarm device, status indicator lamp, RS485 communication module and switching power supply, the PLC controller is supplied power by the switching power supply of intermediate frequency heating furnace, and the signal input part of PLC controller is connected with thermocouple component's signal output part, and the data output part of PLC controller passes through analog output module to be connected with the data input part of touch-sensitive screen, is provided with the function button on the touch-sensitive screen, and the output of function button is connected with the control input part of PLC controller, and the control output part of PLC controller is connected with audible and visual alarm device and status indicator lamp respectively, and the PLC controller still is connected with RS485 communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128777.5A CN110673671A (en) | 2019-11-18 | 2019-11-18 | Intermediate frequency forging heating temperature management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128777.5A CN110673671A (en) | 2019-11-18 | 2019-11-18 | Intermediate frequency forging heating temperature management system |
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| CN110673671A true CN110673671A (en) | 2020-01-10 |
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| CN201911128777.5A Pending CN110673671A (en) | 2019-11-18 | 2019-11-18 | Intermediate frequency forging heating temperature management system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203582906U (en) * | 2013-11-27 | 2014-05-07 | 长春永新机械制造有限责任公司 | Medium-frequency induction heating device for metal material |
| CN204959001U (en) * | 2015-09-16 | 2016-01-13 | 黄石市华裕机电有限公司 | Forge furnace with temperature control system |
| CN106191416A (en) * | 2016-07-11 | 2016-12-07 | 内蒙古科技大学 | A kind of steel pipe senses measuring method and the device in temperature field in heating process |
| CN206794657U (en) * | 2017-06-16 | 2017-12-26 | 江苏海宇机械有限公司 | A kind of heating in medium frequency forge furnace |
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2019
- 2019-11-18 CN CN201911128777.5A patent/CN110673671A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203582906U (en) * | 2013-11-27 | 2014-05-07 | 长春永新机械制造有限责任公司 | Medium-frequency induction heating device for metal material |
| CN204959001U (en) * | 2015-09-16 | 2016-01-13 | 黄石市华裕机电有限公司 | Forge furnace with temperature control system |
| CN106191416A (en) * | 2016-07-11 | 2016-12-07 | 内蒙古科技大学 | A kind of steel pipe senses measuring method and the device in temperature field in heating process |
| CN206794657U (en) * | 2017-06-16 | 2017-12-26 | 江苏海宇机械有限公司 | A kind of heating in medium frequency forge furnace |
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Application publication date: 20200110 |