CN213163932U - Welding control system for metal parts - Google Patents
Welding control system for metal parts Download PDFInfo
- Publication number
- CN213163932U CN213163932U CN202022062753.9U CN202022062753U CN213163932U CN 213163932 U CN213163932 U CN 213163932U CN 202022062753 U CN202022062753 U CN 202022062753U CN 213163932 U CN213163932 U CN 213163932U
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- frequency converter
- potentiometer
- displacement sensor
- platform
- mcu
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Abstract
The utility model discloses a welding control system of metal parts, which comprises an MCU, an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve; the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU; the angle sensor is used for detecting the rotation angle of the rotating platform; the transverse displacement sensor is used for detecting the displacement of the transverse translation platform; the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder; the potentiometer is used for detecting the rotation angle of the operating rod; the first frequency converter is used for driving the rotary driving motor; the second frequency converter is used for driving the translation driving motor; the hydraulic valve is used for controlling the action of the hydraulic cylinder. The welding control system of the metal part is easy to implement and easy to accurately control.
Description
Technical Field
The utility model relates to a metal parts's welding control system.
Background
The existing welding equipment generally manually operates a welding gun on a workbench to carry out manual welding, so that the working intensity is high, and the working efficiency is not high; therefore, it is necessary to design a welding control system for metal parts.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a welding control system of metal parts is provided, this metal parts's welding control system adopts integrated device control, and easy to carry out can ensure welding operation efficiency and control accuracy.
The technical solution of the utility model is as follows:
a welding control system for metal parts comprises an MCU (microprogrammed control Unit), an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder. The specific driving process is the prior art.
The angle sensor adopts a code disc and can also adopt a gyroscope.
The transverse displacement sensor is connected with the MCU through an amplifier with adjustable amplification factor.
As shown in fig. 4, the joystick is connected to a potentiometer Rx; the potentiometer is bridged between the positive pole Vcc of the direct current power supply and the ground, and the output end of the potentiometer is connected with the MCU through the operational amplifier and the ADC device in sequence;
a first pulse output end of the MCU is connected with a control end of the first frequency converter;
and a second pulse output end of the MCU is connected with a control end of the second frequency converter.
The transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
the rotating platform is provided with a rotating shaft which is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor is further arranged on the transverse translation platform, a driving gear is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating rod is arranged on the base and connected with the potentiometer; the potentiometer can be rotated by pushing the speed adjusting rod, so that the output resistance of the potentiometer is changed, and the potentiometer is the prior art.
The melt output mechanism comprises a support, a cross rod and a nozzle for outputting melt; the cross rod is fixed on the top end of the pillar, the nozzle is arranged at the end part of the cross rod, and the nozzle is connected with the cross rod through a lifting mechanism.
The utility model relates to a MCU is current ripe control device, therefore this scheme does not relate to the method, belongs to utility model's protection object.
Has the advantages that:
the utility model discloses a metalwork casting system and control system have following characteristics:
(1) high accuracy
The coded disc is used for detecting the rotating angle, the precision is high, in addition, the angle sensor is used for detecting the angle, the redundancy design is adopted, and the reliability is high. In addition, a displacement sensor (an existing mature device) is adopted to detect the displacement, so that the positions of the translation platform and the lifting platform are detected;
(2) the operation is smooth;
the translation platform is driven by the motor and the ball screw, the rotary platform is driven by the motor and the gear transmission mechanism, and the lifting platform is driven by the hydraulic cylinder, so that the structure is simple and the implementation is easy.
(3) Using special amplifying circuits
The amplification circuit with adjustable amplification factor is adopted to amplify the displacement signal, so that the flexibility is good, and the precision and the measuring range can be controlled.
(4) Has a speed regulation mechanism
The speed regulation can be realized by adopting the speed regulation rod to be matched with the potentiometer, and in addition, the rotating speed of the motor is driven by the frequency converter, so that the implementation is easy.
In summary, the welding control system for the metal parts is complete in function, high in control precision and suitable for popularization and implementation.
Drawings
FIG. 1 is a schematic view of a welding apparatus;
FIG. 2 is an electrical schematic block diagram;
FIG. 3 is a schematic diagram of an amplifying circuit;
fig. 4 is a schematic diagram of a governor lever-potentiometer detection circuit.
Description of reference numerals: 41-base, 42-pillar, 43-cross bar, 44-lifting mechanism, 45-nozzle, 46-rotating shaft, 47-rotating platform, 48-driving gear, 49-rotating driving motor, 50-transverse translation platform, 51-speed regulating rod and 52-touch display screen.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific embodiments:
example 1:
the structure (I):
referring to fig. 1, a welding device for metal parts is characterized by comprising a base 1, a transverse translation platform 50, a rotating platform 47, a speed regulating mechanism and a molten liquid output mechanism;
the transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
the guide rails are not shown, and the translation drive motor and the ball screw driven transverse translation platform are well known in the art and not shown in the figures.
A rotating shaft 46 is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor 49 is further arranged on the transverse translation platform, a driving gear 48 is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating mechanism comprises a speed regulating rod 51 arranged on the base;
the melt output mechanism comprises a pillar 42, a cross bar 43 and a nozzle 45 for outputting melt; the cross rod is fixed on the top end of the support, and the nozzle is arranged at the end part of the cross rod.
Specifically, the crucible is provided with melt, the tilt of the crucible is controlled to output the melt, and the crucible is reset to stop outputting the melt, which is the prior art.
A touch screen display 52 is provided on the post.
The nozzle is connected to the cross-bar by a lifting mechanism 44.
The lifting mechanism is a lifting platform driven by a hydraulic cylinder.
The translation driving motor is driven by a frequency converter.
The control system comprises:
referring to fig. 2-4, a welding control system for metal parts comprises an MCU, an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder. The specific driving process is the prior art.
The angle sensor adopts a code disc and can also adopt a gyroscope.
The transverse displacement sensor is connected with the MCU through an amplifier with adjustable amplification factor.
The operating rod is connected with the potentiometer; the potentiometer is bridged between a positive electrode Vcc of the direct-current power supply and the ground, and the output end of the potentiometer is connected with the MCU through an operational amplifier and an ADC device (namely an analog/digital converter for converting an analog signal into a digital signal) in sequence;
a first pulse output end of the MCU is connected with a control end of the first frequency converter;
and a second pulse output end of the MCU is connected with a control end of the second frequency converter.
The transverse translation platform is arranged on a guide rail of the base and is driven by a translation driving motor through a ball screw;
a rotating shaft 46 is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor 49 is further arranged on the transverse translation platform, a driving gear 48 is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating rod 51 is arranged on the base and is connected with the potentiometer; the potentiometer can be rotated by pushing the speed adjusting rod, so that the output resistance of the potentiometer is changed, and the potentiometer is the prior art. The larger the output voltage of the potentiometer is, the faster the transverse translation module is controlled to translate, and the speed control is realized.
The melt output mechanism comprises a pillar 42, a cross bar 43 and a nozzle 45 for outputting melt; the cross bar is fixed to the top end of the post, and the nozzle is disposed at the end of the cross bar and connected to the cross bar by a lifting mechanism 44.
(3) An amplifying circuit:
because the signal Vin output by the temperature sensor is weak, an amplifier with adjustable amplification factor is designed; the specific circuit connection and working principle are as follows:
as shown in fig. 3, the Vin signal terminal is connected to the inverting input terminal of the operational amplifier LM393 through the resistor R0, the inverting input terminal of the operational amplifier LM393 is grounded through the resistor R0, the inverting input terminal of the operational amplifier LM393 is further connected to 4 input channels of the 4-out-of-4 selector through the 4 resistors R01-R04, respectively, the output channel of the 4-out-of-4 selector is connected to the output terminal Vout of the operational amplifier LM393, and Vout is connected to the ADC terminal of the MCU;
in addition, 2 output ports of the MCU are respectively connected with a channel selection end A and a channel selection end B of a 4-selection selector;
calculation formula of Vout and Vin:
vout ═ Vin, (Rx + R0)/R0; wherein Rx ═ R01, R02, R03, or R04; determining which resistance to select based on the gate terminal AB; and R01, R02, R03 and R04 are each different; preferred R04-5-R03-25-R02-100-R01; r01-5 × R0. can conveniently achieve span and precision switching.
Claims (5)
1. A welding control system for metal parts is characterized by comprising an MCU (microprogrammed control Unit), an angle sensor, a transverse displacement sensor, a longitudinal displacement sensor, a potentiometer, a first frequency converter, a second frequency converter and a hydraulic valve;
the angle sensor, the transverse displacement sensor, the longitudinal displacement sensor, the potentiometer, the first frequency converter, the second frequency converter and the hydraulic valve are all connected with the MCU;
the angle sensor is used for detecting the rotation angle of the rotating platform;
the transverse displacement sensor is used for detecting the displacement of the transverse translation platform;
the longitudinal displacement sensor is used for detecting the elongation of the hydraulic cylinder;
the potentiometer is used for detecting the rotation angle of the operating rod;
the first frequency converter is used for driving the rotary driving motor;
the second frequency converter is used for driving the translation driving motor;
the hydraulic valve is used for controlling the action of the hydraulic cylinder.
2. The metal part weld control system of claim 1, wherein the angular sensor employs a code wheel.
3. The welding control system for metal parts according to claim 1, wherein the lateral displacement sensor is connected to the MCU through an amplifier with adjustable amplification.
4. The welding control system for metal parts according to claim 1, wherein the operating lever is connected to a potentiometer; the potentiometer is bridged between the positive pole Vcc of the direct current power supply and the ground, and the output end of the potentiometer is connected with the MCU through the operational amplifier and the ADC device in sequence;
a first pulse output end of the MCU is connected with a control end of the first frequency converter;
and a second pulse output end of the MCU is connected with a control end of the second frequency converter.
5. The welding control system of metal parts according to any one of claims 1 to 4, wherein the lateral translation platform is provided on a guide rail of the base, the lateral translation platform being driven by a translation drive motor through a ball screw;
a rotating shaft (46) is arranged on the rotating platform and is vertical to the base; the rotating shaft is inserted in a bearing on the transverse translation platform;
a rotary driving motor (49) is further arranged on the transverse translation platform, a driving gear (48) is arranged on an output shaft of the rotary driving motor, and the rotary platform is provided with an external gear meshed with the driving gear; the rotary driving motor can drive the rotary platform to rotate;
the speed regulating rod (51) is arranged on the base and is connected with the potentiometer; the melt output mechanism comprises a support column (42), a cross rod (43) and a nozzle (45) for outputting melt; the cross bar is fixed on the top end of the support, the nozzle is arranged at the end part of the cross bar, and the nozzle is connected with the cross bar through a lifting mechanism (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022062753.9U CN213163932U (en) | 2020-09-20 | 2020-09-20 | Welding control system for metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022062753.9U CN213163932U (en) | 2020-09-20 | 2020-09-20 | Welding control system for metal parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213163932U true CN213163932U (en) | 2021-05-11 |
Family
ID=75774796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022062753.9U Expired - Fee Related CN213163932U (en) | 2020-09-20 | 2020-09-20 | Welding control system for metal parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213163932U (en) |
-
2020
- 2020-09-20 CN CN202022062753.9U patent/CN213163932U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 Termination date: 20210920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |