CN203356819U - Tungsten electrode pulsed argon arc welding wire filling PLC (programmable logic controller) controller - Google Patents
Tungsten electrode pulsed argon arc welding wire filling PLC (programmable logic controller) controller Download PDFInfo
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- CN203356819U CN203356819U CN 201320424688 CN201320424688U CN203356819U CN 203356819 U CN203356819 U CN 203356819U CN 201320424688 CN201320424688 CN 201320424688 CN 201320424688 U CN201320424688 U CN 201320424688U CN 203356819 U CN203356819 U CN 203356819U
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Abstract
A tungsten electrode pulsed argon arc welding wire filling PLC controller relates to welding wire controllers and comprises a PLC control system, a welding site collecting and displaying system, a wire feeding quantity monitoring system, a welding wire filling control system and the like. The tungsten electrode pulsed argon arc welding wire filling PLC controller can achieve remote control of a tungsten electrode pulsed argon arc welding wire process, is provided with two manners of automatic welding wire filling and semi-automatic welding wire manual filling and can collect image information of a welding site and the feedback information of welding current and wire feeding velocity in real time and achieve automatic control of welding wire filing. According to the tungsten electrode pulsed argon arc welding filling welding wire PLC controller, a PLC serves as the master controller, so that the automation degree is high and good extendibility is achieved; the problem that in a traditional tungsten electrode pulsed argon arc welding process, the welding wire filling task can only be completed manually by an operator can be solved, so that workers can be protected from welding sites with poor conditions and meanwhile the efficiency and quality of tungsten electrode pulsed argon arc welding can be improved; social and economical benefits can be obtained.
Description
Technical field
The utility model relates to the pulsed tungsten argon arc weld(ing) filler wire controller that a kind of PLC controls, and particularly relates to the pulsed tungsten argon arc weld(ing) filler wire controller that a kind of PLC controls.
Background technology
Pulsed tungsten argon arc weld(ing) exists pulse current and two kinds of supply currents of background current in welding procedure, and the requirement based on workpiece in the time of many need to be carried out the filling of welding wire in welding process.But, filler wire task in pulsed tungsten argon arc weld(ing) mainly adopts the method that fills silk manually at present, at this high frequency, high temperature, exist poor stability in the adverse circumstances of strong noise, the problem such as labour intensity is large, furthermore this method too relies on welding operator's experience and ability, the welding quality of product is uneven, is difficult to realize production in batches.And the successful Application of automated control technology in welding field in recent years embodied the feasibility of automatic technology with advanced.Based on this present situation, utilize the control system of automation to complete the wire feed action of wire-feed motor, based on the PLC(programmable logic controller (PLC)) developed the automatic filling welding wire controller for pulsed tungsten argon arc weld(ing), substituted artificial wire feed fully, improved welding quality and welding efficiency.
Summary of the invention
The pulsed tungsten argon arc weld(ing) filler wire controller that provides a kind of PLC to control is provided the purpose of this utility model, can be when pulsed wire feeding be controlled, complete the control of speed, realize the high accuracy wire feed for the molten state of welding wire, realize the Long-distance Control of filler wire equipment.
The purpose of this utility model is achieved through the following technical solutions:
The pulsed tungsten argon arc weld(ing) filler wire controller that PLC controls, the control system of described controller comprises monitoring system, the filler wire control system of PLC control system, welding scene collection and display system, pulse condition; The core of pulsed tungsten argon arc weld(ing) filler wire control system comprises the input/output module of CPU, memory, switching value and analog quantity, welding scene collection and display system are by high temperature resistant camera head, terminal box and liquid crystal display, flushing device forms, and camera shows by terminal box and video line transmitting image information the welding scene situation collected to liquid crystal display at a distance; The pulse condition monitoring system is comprised of Hall current sensor, cable, PLC current detecting processing module, and the filler wire control section is comprised of drive motors, reduction box, wire feed welding gun, photoelectric encoder, PLC switching value and analog input and output module;
The structure of controller forms and comprises camera, welding gun passage, welding gun structure, drive motors, reduction box, switch board, drive motors is connected with the reduction box input by shaft coupling, flange, wire feed rolls is housed in reduction box and, than the through ship group, at the reduction box output, is equipped with the wire feed welding gun; Rack beams one end is arranged on the reduction box sidewall, and the other end of rack beams is connected with terminal box by revolute, and camera and flushing device are installed on terminal box; Contactor, relay, transformer, DC power supply, sensor and magnetic valve are equipped with in switch board inside, and a side of switch board is equipped with display, indicator lamp, control stick, keyboard and switch key.
The pulsed tungsten argon arc weld(ing) filler wire controller that described PLC controls, described at camera end installation flushing device, but automatic or manual is rinsed.
The pulse condition monitoring system detects in real time to the pulse condition of welding scene, the data of detection is sent into to PLC inside and processed, and show the current magnitude of current on display.
The pulse condition monitoring system is long-range by the observation to the welding field condition, directly control control stick, PLC detects the location status of control stick by hall displacement transducer, be converted into voltage corresponding in certain limit, directly adjust again velocity of rotation and the direction of motor by this electrical quantity, thereby control speed and the direction of filler wire; Or detect in real time speed and the direction of electric machine rotation by the photoelectric encoder of increment type, directly set the filler wire procedure parameter with digital quantity on computers.
Controller IMAQ and display system show the situation of welding scene, according to the situation manual control equipment seen, complete the filler wire control task, or monitoring pulse condition and silk feeding quantity complete the automatic control of filler wire according to the program of setting.
The core of control system completes arithmetical operation, A/D, D/A conversion, and the control of the processing of input signal and feedback signal, motor, executing agency.
Advantage of the present utility model and effect are:
The utility model can complete the control of speed when pulsed wire feeding is controlled, realizes the high accuracy wire feed for the molten state of welding wire, realizes the Long-distance Control of filler wire equipment.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model switch board schematic diagram.
The specific embodiment
Below in conjunction with embodiment, the utility model is elaborated.
?unit number in figure: camera 1, welding gun passage 2, welding gun structure 3, drive motors 4, flange 5, shaft coupling 6, reduction box 7, rack beams 8, revolute 9, terminal box 10, flushing device 11, switch board 12, display 13, indicator lamp 14, control stick 15, keyboard 16, switch key 17.
See Fig. 1, a kind of pulsed tungsten argon arc weld(ing) filler wire controller based on PLC, comprise camera 1, welding gun passage 2, welding gun structure 3, drive motors 4, reduction box 7, switch board 12.Drive motors 4 is connected with reduction box 7 inputs by shaft coupling 6, flange 5, wire feed rolls is housed and than the through ship group in reduction box 7, be equipped with wire feed welding gun 3 at reduction box 7 outputs, when drive motors 4 rotates, drive motors 4 drives wire feed rolls to rotate, drive welding wire by reduction box internal channel and welding gun passage 2, finally reasonably send into welding region.Rack beams 8 one ends are arranged on the reduction box sidewall, and the other end of rack beams 8 is connected with terminal box 10 by revolute 9, and camera 1 and flushing device 11 are installed on terminal box 10, and this camera 1 can carry out IMAQ with a plurality of angles by revolute 9.
Fig. 2 is the utility model switch board sketch, contactor is equipped with in switch board 12 inside, relay, transformer, DC power supply, sensor and magnetic valve, one side of switch board 12 is equipped with display 13, indicator lamp 14, control stick 15, keyboard 16 and switch key 17, display 13 can show the data message that welding scene situation and sensor collect in real time, indicator lamp 14 provides the duty of current control system, control stick 15 is manually controlled filler wire, keyboard 16 arranges the system of data message and switch board and regulates, switch key 17 is controlled the switch working state of whole control system.
Control system of the present utility model is mainly by CPU, memory, and the input and output module, several parts such as communication module form, and by the sampling and analyzing to the welding pulsed current signal, realize the actuating mechanism controls on output module.PLC and host computer are set up the RS-232 communication, in order to directly to PLC, write control program with computer, wherein the PLC switching input module comprises that switching push button, the automatic mode of automatic/hand pattern open/stop button, manual mode scram button, cleaning control button and camera button.The PLC switching value output module comprises drive motors, camera and cleaning equipment.PLC analog input module comprises that current detecting and manual joystick PLC analog output module comprise display and the control of camera control stick.Open/stop by automatic mode during automatic mode and control drive motors, during manual mode, by manual mode, suddenly stop controlling drive motors, with cleaning control button control cleaning equipment, the switch of camera button control camera.Current detecting in PLC analog input module adopts Hall current sensor, the state of sampling pulse electric current, be transferred to the PLC control system, PLC is according to the molten state of each parameter corresponding relation judgement welding wire deposited in the magnitude of current and memory, thereby set the velocity of rotation of motor, also can be in the situation that the understanding technological parameter be directly inputted the velocity of rotation that digital quantity is set motor.When PLC detects pulse current, the wire feeding motor forward is carried out wire feed control, and while background current being detected, wire feeding motor reversion or stall complete a small amount of reeling off raw silk from cocoons or stop control.
During operation, can gather the image information of welding scene, the real-time speed of feedback filler wire also shows, the control that realizes the filler wire in whole pulsed tungsten argon arc weld(ing) welding process can be when pulsed wire feeding be controlled, complete the control of speed, realize the high accuracy wire feed for the molten state of welding wire.
Claims (2)
1.PLC the pulsed tungsten argon arc weld(ing) filler wire controller of controlling is characterized in that the control system of described controller comprises monitoring system, the filler wire control system of PLC control system, welding scene collection and display system, pulse condition; The core of pulsed tungsten argon arc weld(ing) filler wire control system comprises the input/output module of CPU, memory, switching value and analog quantity, and welding scene collection and display system are by high temperature resistant camera head, terminal box and liquid crystal display, and flushing device forms; The pulse condition monitoring system is comprised of Hall current sensor, cable, PLC current detecting processing module, and the filler wire control section is comprised of drive motors, reduction box, wire feed welding gun, photoelectric encoder, PLC switching value and analog input and output module;
The structure of controller forms and comprises camera, welding gun passage, welding gun structure, drive motors, reduction box, switch board, drive motors is connected with the reduction box input by shaft coupling, flange, wire feed rolls is housed in reduction box and, than the through ship group, at the reduction box output, is equipped with the wire feed welding gun; Rack beams one end is arranged on the reduction box sidewall, and the other end of rack beams is connected with terminal box by revolute, and camera and flushing device are installed on terminal box; Contactor, relay, transformer, DC power supply, sensor and magnetic valve are equipped with in switch board inside, and a side of switch board is equipped with display, indicator lamp, control stick, keyboard and switch key.
2. the pulsed tungsten argon arc weld(ing) filler wire controller that PLC according to claim 1 controls, is characterized in that, flushing device is installed in described camera end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424688 CN203356819U (en) | 2013-07-17 | 2013-07-17 | Tungsten electrode pulsed argon arc welding wire filling PLC (programmable logic controller) controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320424688 CN203356819U (en) | 2013-07-17 | 2013-07-17 | Tungsten electrode pulsed argon arc welding wire filling PLC (programmable logic controller) controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203356819U true CN203356819U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320424688 Expired - Fee Related CN203356819U (en) | 2013-07-17 | 2013-07-17 | Tungsten electrode pulsed argon arc welding wire filling PLC (programmable logic controller) controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203356819U (en) |
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2013
- 2013-07-17 CN CN 201320424688 patent/CN203356819U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140717 |
|
| EXPY | Termination of patent right or utility model |