CN211588856U - Submerged arc welding wire feeder control device - Google Patents
Submerged arc welding wire feeder control device Download PDFInfo
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- CN211588856U CN211588856U CN201922383500.9U CN201922383500U CN211588856U CN 211588856 U CN211588856 U CN 211588856U CN 201922383500 U CN201922383500 U CN 201922383500U CN 211588856 U CN211588856 U CN 211588856U
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Abstract
The utility model relates to a submerged arc welding wire feeder control device, belonging to the technical field of submerged arc welding wire feeders; the technical problem to be solved is as follows: the improvement of the hardware structure of the submerged arc welding wire feeder control device is provided; the technical scheme for solving the technical problem is as follows: the control circuit board is integrated with a microcontroller, the microcontroller is connected with a data communication module in a bidirectional mode through a lead, and the data communication module is connected with a control end of the submerged arc welding machine through an RS485 communication bus; the signal output end of the microcontroller is also connected with a direct-current speed regulating motor and a coil of a relay, and a control contact of the relay is connected into a control loop of the submerged arc welding machine; the power supply input end of the microcontroller is connected with the power supply module; the utility model discloses be applied to submerged arc welding machine.
Description
Technical Field
The utility model relates to a submerged arc welding send silk machine controlling means belongs to submerged arc welding and send silk machine technical field.
Background
According to the specific use requirements of the welding machine, most of the carbon dioxide protection welding machines provided on the market are matched with a carbon dioxide welding wire feeder to be used, and although the welding wire feeder is low in manufacturing cost, high in production efficiency and good in welding quality, the welding wire feeder is not suitable for being used in certain specific industry fields, such as the cement roller sleeve surfacing repair industry, the large-scale wear-resistant welding wire welding industry and the like; when the submerged arc welding machine is used for welding operation in the field, the type of welding machine has larger working current, and can not form a groove and leave a gap for butt welding below 20mm, thereby reducing the quantity of filling metals; however, the existing submerged arc welding machine provided in the market has no functions of maintaining welding and feeding wire, so that the welding efficiency is low, the welding cost is high, and the used submerged arc welding machine and the used wire feeding machine have different interfaces and are difficult to physically and electrically connect, so that the hardware structure of the submerged arc welding machine needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: provides an improvement of a hardware structure of a submerged arc welding wire feeder control device.
In order to solve the technical problem, the utility model discloses a technical scheme be: a submerged arc welding wire feeder control device comprises a control circuit board arranged in a wire feeder, wherein a microcontroller is integrated on the control circuit board, the microcontroller is in bidirectional connection with a data communication module through a lead, and the data communication module is connected with a control end of the submerged arc welding machine through an RS485 communication bus;
the signal output end of the microcontroller is also connected with a direct-current speed regulating motor and a coil of a relay, and a control contact of the relay is connected into a control loop of the submerged arc welding machine;
the power supply input end of the microcontroller is connected with the power supply module;
the chip used in the microcontroller is a control chip U1;
the chip used in the data communication module is a communication chip U2;
the circuit structure of the microcontroller and the data communication module is as follows:
the pin 19 of the control chip U1 is connected with one end of the crystal oscillator X1 and then connected with one end of the capacitor C1,
the pin 18 of the control chip U1 is connected with the other end of the crystal oscillator X1 and then connected with one end of a capacitor C2,
the other end of the capacitor C1 is connected with the other end of the capacitor C2 in parallel and then is grounded;
the pin 9 of the control chip U1 is connected with a chip reset module;
a pin 1 of the control chip U1 is connected with the control end of the direct current speed regulating motor through an optocoupler controller U3;
a pin 2 of the control chip U1 is connected with the control end of the direct current speed regulating motor through an optocoupler controller U4;
the pin 3 of the control chip U1 is connected with a coil RL1 of the relay through an optocoupler controller U5;
the pin 10 of the control chip U1 is connected with the pin 3 of the communication chip U2;
the pin 11 of the control chip U1 is connected with the pin 4 of the communication chip U2;
the pin 5 of the communication chip U2 is connected with the pin 39 of the control chip U1 after being connected with the pin 6 of the communication chip U2;
a pin 1 of the communication chip U2 is connected with one end of a capacitor C6 in parallel and then is connected with a 5V power supply input end;
the pin 2 of the communication chip U2 is connected with the other end of the capacitor C6 in parallel and then is grounded;
and the pins 7 and 8 of the communication chip U2 are connected with the control end of the submerged arc welding machine.
And a signal driving module is further arranged between the direct current speed regulating motor and the microcontroller, the signal driving module is an H-shaped bridge formed by 8 triodes, and the power input end of the signal driving module is connected with a 12V input power supply.
The chip that power module used is stabiliser U6, power module's circuit structure is:
a pin 1 of the voltage stabilizer U6 is connected with one end of a capacitor C4 in parallel and then is connected with a 12V power supply input end;
a pin 3 of the voltage stabilizer U6 is connected with one end of a capacitor C5 in parallel and then is connected with a 5V power supply output end;
the 2-pin of the voltage stabilizer U6 is connected with the other end of the capacitor C4 and the other end of the capacitor C5 in parallel and then grounded.
The model of the control chip U1 is AT89C 51;
the model of the communication chip U2 is MAX 485;
the models of the optocoupler controllers U3, U4 and U5 are PC 817;
model L7805 of the regulator U6.
The utility model discloses beneficial effect for prior art possesses does: the utility model discloses a to current submerged arc welding machine inner structure improve, can realize that submerged arc welding machine and carbon dioxide protection weld and send a machine to carry out lug connection, with the wear-resisting welding wire that originally can not use on this kind of equipment, obtain using as the solder in the device after the improvement, effectively reduced the welding cost, improved welding efficiency to maintain in the future to the relevant product of build-up welding and provide probably.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic diagram of the circuit structure of the present invention;
FIG. 2 is a schematic circuit diagram of the present invention;
fig. 3 is a schematic circuit diagram of the power module of the present invention;
FIG. 4 is a schematic diagram of the wiring of the present invention;
in the figure: the system comprises a microcontroller 1, a data communication module 2, a submerged arc welding machine 3, a direct current speed regulating motor 4, a relay 5 and a power module 6.
Detailed Description
As shown in fig. 1 to 3, the utility model relates to a submerged arc welding wire feeder control device, including the control circuit board that sets up in the wire feeder, microcontroller (1) is integrated on the control circuit board, microcontroller (1) passes through the wire and is connected with data communication module (2) both way, data communication module (2) passes through RS485 communication bus and links to each other with the control end of submerged arc welding machine (3);
the signal output end of the microcontroller (1) is also connected with a direct current speed regulating motor (4) and a coil of a relay (5), and a control contact of the relay (5) is connected into a control loop of the submerged arc welding machine (3);
the power supply input end of the microcontroller (1) is connected with the power supply module (6);
the chip used in the microcontroller (1) is a control chip U1;
the chip used in the data communication module (2) is a communication chip U2;
the circuit structures of the microcontroller (1) and the data communication module (2) are as follows:
the pin 19 of the control chip U1 is connected with one end of the crystal oscillator X1 and then connected with one end of the capacitor C1,
the pin 18 of the control chip U1 is connected with the other end of the crystal oscillator X1 and then connected with one end of a capacitor C2,
the other end of the capacitor C1 is connected with the other end of the capacitor C2 in parallel and then is grounded;
the pin 9 of the control chip U1 is connected with a chip reset module;
a pin 1 of the control chip U1 is connected with the control end of the direct current speed regulating motor (4) through an optocoupler controller U3;
a pin 2 of the control chip U1 is connected with the control end of the direct current speed regulating motor (4) through an optocoupler controller U4;
the pin 3 of the control chip U1 is connected with a coil RL1 of the relay (5) through an optocoupler controller U5;
the pin 10 of the control chip U1 is connected with the pin 3 of the communication chip U2;
the pin 11 of the control chip U1 is connected with the pin 4 of the communication chip U2;
the pin 5 of the communication chip U2 is connected with the pin 39 of the control chip U1 after being connected with the pin 6 of the communication chip U2;
a pin 1 of the communication chip U2 is connected with one end of a capacitor C6 in parallel and then is connected with a 5V power supply input end;
the pin 2 of the communication chip U2 is connected with the other end of the capacitor C6 in parallel and then is grounded;
and the 7 pin and the 8 pin of the communication chip U2 are connected with a control end of the submerged arc welding machine (3).
And a signal driving module is further arranged between the direct current speed regulating motor (4) and the microcontroller (1), the signal driving module is specifically an H-shaped bridge formed by 8 triodes, and the power input end of the signal driving module is connected with a 12V input power supply.
The chip that power module (6) used is stabiliser U6, power module's (6) circuit structure is:
a pin 1 of the voltage stabilizer U6 is connected with one end of a capacitor C4 in parallel and then is connected with a 12V power supply input end;
a pin 3 of the voltage stabilizer U6 is connected with one end of a capacitor C5 in parallel and then is connected with a 5V power supply output end;
the 2-pin of the voltage stabilizer U6 is connected with the other end of the capacitor C4 and the other end of the capacitor C5 in parallel and then grounded.
The model of the control chip U1 is AT89C 51;
the model of the communication chip U2 is MAX 485;
the models of the optocoupler controllers U3, U4 and U5 are PC 817;
model L7805 of the regulator U6.
The utility model provides a support inverter type submerged arc welding machine and carbon dioxide protection to weld controlling means who send a machine to be connected, the device uses the communication connection structure between sending a machine and the submerged arc welding machine to give first place to, carries out physical connection and electrical connection with both, through marking the welding current of record welding machine and sending the corresponding relation between the wire speed, makes and send a machine to directly use on the submerged arc welding machine.
The utility model comprises the power system connection of the submerged arc welding machine, the I/O signal connection between the submerged arc welding machine and the wire feeding machine, and the physical connection of the bodies of the submerged arc welding machine and the wire feeding machine, and after the connection of all modules is completed, the operator can manually perform inching welding; when the device is used, the wire feeder and the submerged arc welding machine are fixed near a body of a product to be built up for welding, then the wire feeder and the submerged arc welding machine are connected through a physical cable, and the wire feeder is introduced into the submerged arc welding machine; the power supply of the internal control module of the wire feeder is provided by the submerged arc welding machine, and the control device can reduce the 110V voltage output by the submerged arc welding machine to 12V direct current which can be used by the wire feeder.
Furthermore, pins P1.0 and P1.1 of the microcontroller AT89C51 are used for controlling an H-bridge composed of 8 triodes, so that the wire feeding speed can be adjusted; meanwhile, the submerged arc welding machine outputs a corresponding current value according to the adjusted related voltage, and the process requirement of a welding bead is met by adjusting the related current value; during the use process, the microcontroller in the wire feeder can acquire the dynamic current and dynamic voltage values of the submerged arc welding machine in real time and is used for determining the speed calibration relation between the submerged arc welding machine and the wear-resistant welding wire.
The wire feeder and the submerged arc welding machine carry out data transmission based on a modbus communication protocol, and a communication chip MAX485 arranged in the wire feeder carries out real-time data mutual transmission; the utility model provides a wire feeding speed of wire feeder is controlled at 1.5-20m/min, under the invariable effect of voltage, under the same kind of welding wire circumstances, wire feeding speed is close linear with control current size and increases, when reaching the maximum output current of welding machine, wire feeding speed can remain stable.
As shown in FIG. 4, the submerged arc welding machine outputs 110V direct current at 4 pins and 5 pins of an aviation plug, and the output is reduced from 110V to 12V/10A through a power module, so that high-voltage direct current used on the submerged arc welding machine can be converted into 12V direct current used by a direct current motor on a wire feeder.
Further, a 5V power supply used on the microcontroller is provided by a voltage stabilizer chip L7805 in the power supply module, a P0.0 interface of the control chip U1 controls communication enabling of the communication chip MAX485, an RO pin and a DI pin of the communication chip MAX485 are respectively connected with an RXD pin and a TXD pin of the control chip U1, and communication connection is established between the submerged arc welding machine and the wire feeding machine.
The P1.0 and P1.1 ports of the control chip U1 are connected with an optocoupler PC817, the output end of an optocoupler controller is connected with an H-shaped bridge consisting of 8 triodes, the control chip U1 controls the speed and the direction of the direct current speed regulating motor by sending a PWM signal, the P1.2 port of the control chip U1 is connected with the optocoupler controller to control a group of relays, and the relays are used for controlling the starting stop signal of the submerged arc welding machine.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A submerged arc welding wire feeder control device is characterized in that: the submerged arc welding device comprises a control circuit board arranged in a wire feeder, wherein a microcontroller (1) is integrated on the control circuit board, the microcontroller (1) is in bidirectional connection with a data communication module (2) through a lead, and the data communication module (2) is connected with a control end of a submerged arc welding machine (3) through an RS485 communication bus;
the signal output end of the microcontroller (1) is also connected with a direct current speed regulating motor (4) and a coil of a relay (5), and a control contact of the relay (5) is connected into a control loop of the submerged arc welding machine (3);
the power supply input end of the microcontroller (1) is connected with the power supply module (6);
the chip used in the microcontroller (1) is a control chip U1;
the chip used in the data communication module (2) is a communication chip U2;
the circuit structures of the microcontroller (1) and the data communication module (2) are as follows:
the pin 19 of the control chip U1 is connected with one end of the crystal oscillator X1 and then connected with one end of the capacitor C1,
the pin 18 of the control chip U1 is connected with the other end of the crystal oscillator X1 and then connected with one end of a capacitor C2,
the other end of the capacitor C1 is connected with the other end of the capacitor C2 in parallel and then is grounded;
the pin 9 of the control chip U1 is connected with a chip reset module;
a pin 1 of the control chip U1 is connected with the control end of the direct current speed regulating motor (4) through an optocoupler controller U3;
a pin 2 of the control chip U1 is connected with the control end of the direct current speed regulating motor (4) through an optocoupler controller U4;
the pin 3 of the control chip U1 is connected with a coil RL1 of the relay (5) through an optocoupler controller U5;
the pin 10 of the control chip U1 is connected with the pin 3 of the communication chip U2;
the pin 11 of the control chip U1 is connected with the pin 4 of the communication chip U2;
the pin 5 of the communication chip U2 is connected with the pin 39 of the control chip U1 after being connected with the pin 6 of the communication chip U2;
a pin 1 of the communication chip U2 is connected with one end of a capacitor C6 in parallel and then is connected with a 5V power supply input end;
the pin 2 of the communication chip U2 is connected with the other end of the capacitor C6 in parallel and then is grounded;
and the 7 pin and the 8 pin of the communication chip U2 are connected with a control end of the submerged arc welding machine (3).
2. A submerged arc welding wire feeder control device according to claim 1, characterized in that: and a signal driving module is further arranged between the direct current speed regulating motor (4) and the microcontroller (1), the signal driving module is specifically an H-shaped bridge formed by 8 triodes, and the power input end of the signal driving module is connected with a 12V input power supply.
3. A submerged arc welding wire feeder control device according to claim 2, characterized in that: the chip that power module (6) used is stabiliser U6, power module's (6) circuit structure is:
a pin 1 of the voltage stabilizer U6 is connected with one end of a capacitor C4 in parallel and then is connected with a 12V power supply input end;
a pin 3 of the voltage stabilizer U6 is connected with one end of a capacitor C5 in parallel and then is connected with a 5V power supply output end;
the 2-pin of the voltage stabilizer U6 is connected with the other end of the capacitor C4 and the other end of the capacitor C5 in parallel and then grounded.
4. A submerged arc welding wire feeder control device according to claim 3, characterized in that: the model of the control chip U1 is AT89C 51;
the model of the communication chip U2 is MAX 485;
the models of the optocoupler controllers U3, U4 and U5 are PC 817;
model L7805 of the regulator U6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383500.9U CN211588856U (en) | 2019-12-26 | 2019-12-26 | Submerged arc welding wire feeder control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383500.9U CN211588856U (en) | 2019-12-26 | 2019-12-26 | Submerged arc welding wire feeder control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211588856U true CN211588856U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922383500.9U Active CN211588856U (en) | 2019-12-26 | 2019-12-26 | Submerged arc welding wire feeder control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211588856U (en) |
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2019
- 2019-12-26 CN CN201922383500.9U patent/CN211588856U/en active Active
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