CN211897080U - High-speed electric arc spraying wire feeder with closed-loop wire feeding speed display function - Google Patents
High-speed electric arc spraying wire feeder with closed-loop wire feeding speed display function Download PDFInfo
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- CN211897080U CN211897080U CN201922409732.7U CN201922409732U CN211897080U CN 211897080 U CN211897080 U CN 211897080U CN 201922409732 U CN201922409732 U CN 201922409732U CN 211897080 U CN211897080 U CN 211897080U
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Abstract
The utility model discloses a high-speed electric arc spraying wire feeder with closed-loop wire feeding speed display, which comprises an electric arc spraying DC power supply, a current sensor, a wire feeder, a DC driving motor, a wire feeding roller, a spray gun head, a high-pressure gas source, a motor controller, an automatic controller, a wire material and a wire winding wheel, wherein the automatic controller comprises an amplifier, a wave crest detector, a wave trough detector, a preset setter, a comparator and an integrator, the electric arc spraying DC power supply is conducted with the wire material to generate electric arc at the spray gun head, the processed wire material enters the spray gun, then the high-pressure gas source provides the high-pressure gas for the spray gun head, the current sensor sends a signal to the automatic controller, the obtained current value is fed back to a control system by monitoring the current of the spraying electric arc, the control system adjusts the wire feeding motor, and further adjusts the wire feeding speed, the stability of the wire feeder determines the stability, thereby influencing the jet atomization effect, the coating density and the coating surface roughness.
Description
Technical Field
The utility model relates to a high-speed arc spraying technical field especially relates to a closed loop area send silk speed display high-speed arc spraying to send silk machine.
Background
Traditional electric arc spraying send a machine to all adopt open-loop motor drive wire feeding mechanism to send out the spraying silk from contact tip, and the spraying in-process, along with the removal of spray gun, send the appearance and the position of silk pipe also along with changing, along with the increase of sending the silk volume, send foreign matter such as dust in the silk pipe also can increase to send a resistance to also incessantly change. The change of the wire feeding resistance can cause the change of the speed of the wire feeding motor, thereby causing the change of the spraying current, and the atomized particles are thicker, the porosity of the coating is high, the bonding strength of the coating is low, and the surface roughness of the coating is large.
Disclosure of Invention
An object of the utility model is to overcome prior art's not enough, provide a closed loop area and send a high-speed electric arc spraying wire feeder of speed display to send a speed unstability scheduling problem among the solution prior art.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a closed-loop wire feeding speed display high-speed arc spraying wire feeder comprises an arc spraying direct-current power supply, a current sensor, a wire feeder, a direct-current driving motor, a wire feeding roller, a spraying gun head, a high-pressure gas source, a motor controller, an automatic controller, wires and a wire winding wheel, wherein the automatic controller consists of an amplifier, a peak detector, a trough detector, a preset setter, a comparator and an integrator, the arc spraying direct-current power supply can provide high power and high current, is directly conducted with the wires through a direct-current cable, and generates an arc at the spraying gun head.
Further, the wire enters the wire feeder through the wire winding wheel, and the wire processed by the wire feeding roller wheel enters the spray gun.
Further, in order to provide high-pressure gas for the spray gun head, the high-pressure gas source directly senses the current in the direct-current cable and sends a signal to the automatic controller, the automatic controller comprises an amplifier, a peak detector, a trough detector, a preset setter, a comparator and an integrator, and after the signal from the current sensor is amplified by the amplifier, the state of the current when the spray gun works can be detected through the analysis of the peak detector and the trough detector, namely whether the current is in an arc breaking state or an open circuit state, or is close to the two states, or is in a normal working state. After detection, an indicator light should be provided to indicate the status result and remind the operator to take different measures.
Furthermore, the result detected by the automatic controller is directly transmitted to a comparator, and compared with the data set in the preset setter to know how to perform the next operation, the information obtained from the preset setter and the comparator is processed by the integrator, and a proper signal is output to the motor controller of the DC driving motor to control the armature voltage of the wire feeding motor, so as to achieve the purpose of controlling the rotating speed of the motor.
The utility model has the advantages that: by the closed-loop control process, the range of the current can be set to control the wire feeding speed, so that the corresponding relation between the current and the wire feeding speed can be ensured during working, and frequent short circuit and arc breakage can not be caused.
The utility model has the advantages that: the current of the spraying electric arc is monitored, the obtained current value is fed back to the control system and is compared with a set value, so that a feedback voltage is output to act on the wire feeding motor, and the wire conveying speed is adjusted by adjusting the speed of the wire feeding motor.
The utility model has the advantages that: the wire feeding mechanism is driven by the closed-loop motor, and the wire feeding speed can be kept unchanged under the conditions that the spray gun moves and foreign matters of the wire feeding pipe are increased, so that the stable spraying current is ensured, the atomized particles are fine and smooth, the porosity of the coating is low, the bonding strength of the coating is high, and the surface roughness of the coating is small.
The utility model has the advantages that: the closed-loop high-speed electric arc spraying wire feeder can also digitally display the real-time wire feeding speed and grasp the spraying efficiency all the time.
The utility model discloses still have following characteristics:
1. closed-loop control, stable wire feeding and large wire feeding torque;
2. the wire feeding speed is digitally displayed in real time, and the spraying efficiency can be mastered constantly;
3. the structure is reasonable, and the appearance is elegant;
4. the universal moving wheel is arranged, so that the spray gun can easily move under the condition that the length of a spray gun cable is limited, and large-range spraying is realized;
5. the spray gun, the cable and the air pipe are firmly connected and can be quickly disassembled and assembled.
Description of the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1, the utility model discloses a closed loop area send silk speed to show high-speed electric arc spraying send silk machine, including electric arc spraying DC power supply 1, current sensor 2, wire feeder 3, DC drive motor 4, send a running roller 5, spray gun head 6, high pressure gas source 7, motor controller 8, automatic control 9, silk material 16, wire winding wheel 17, wherein automatic control 9 is by amplifier 10, crest detector 11, trough detector 12, presets settlement ware 13, comparator 14, integrator 15 is constituteed, electric arc spraying DC power supply 1 can provide high-power and heavy current, directly switches on with silk material 16 through direct current cable, produces electric arc in spray gun head 6 department.
Preferably, the wire enters the wire feeder 3 through the wire winding wheel 17, and the wire processed by the wire feeding roller 5 enters the spray gun.
Preferably, the high-pressure gas source 7, in order to provide high-pressure gas for the lance head 6, the current sensor 2 directly senses the current in the dc cable and sends a signal to the automatic controller 9, the automatic controller 9 includes an amplifier 10, a peak detector 11, a valley detector 12, a preset setter 13, a comparator 14, and an integrator 15, and after the signal from the current sensor 2 is amplified by the amplifier 10, the state of the current during the operation of the lance, whether the current is in an arc breaking state or an arc breaking state, whether the current is close to the arc breaking state or the arc breaking state, or whether the current is in a normal operation state, can be detected through the analysis of the peak detector 11 and the valley detector 12. After detection, an indicator light should be provided to indicate the status result and remind the operator to take different measures.
Preferably, the result detected by the automatic controller 9 is directly transmitted to a comparator 14, and compared with the data set in the preset setter 13 to know how to proceed with the next operation, the information obtained from the preset setter 13 and the comparator 14 is processed by an integrator 15, and an appropriate signal is output to the motor controller 8 of the dc driving motor 4 to control the armature voltage of the wire feeding motor, so as to achieve the purpose of controlling the motor speed.
The above embodiments are only used for further description of the present invention, and should not be construed as limiting the scope of the present invention, and the technical engineers in the art can make some insubstantial improvements and adjustments according to the above invention, all falling within the scope of the present invention.
Claims (4)
1. A closed-loop wire feeding speed display high-speed electric arc spraying wire feeder is characterized by comprising an electric arc spraying direct-current power supply (1), a current sensor (2), a wire feeder (3), a direct-current driving motor (4), a wire feeding roller (5), a spray gun head (6), a high-pressure gas source (7), a motor controller (8), an automatic controller (9), wires (16) and a wire winding wheel (17), wherein the electric arc spraying direct-current power supply (1) can provide high power and high current and is directly communicated with the wires (16) through a direct-current cable, electric arcs are generated at the spray gun head (6), the wires enter the wire feeder (3) through the wire winding wheel (17), the wires processed by the wire feeding roller (5) enter a spray gun, the high-pressure gas source (7) provides high-pressure gas for the spray gun head (6), the current sensor (2) directly senses the current in the direct-current cable, sending a signal to an automatic controller (9), wherein the automatic controller (9) comprises an amplifier (10), a peak detector (11), a trough detector (12), a preset setter (13), a comparator (14) and an integrator (15), after the signal from the current sensor (2) is amplified by the amplifier (10), the state of the current when the spray gun works can be detected through the analysis of the peak detector (11) and the trough detector (12), whether the current is in an arc breaking state or close to the two states or in a normal working state, an indicator lamp is required to indicate the state result after the detection, an operator is reminded to take different measures, the result detected by the automatic controller (9) is directly sent to the comparator (14) and is compared with the data set in the preset setter (13) to know how to perform the next operation, the information obtained from the preset setter (13) and the comparator (14) is processed by the integrator (15), and a proper signal is output to enter the motor controller (8) of the direct current drive motor (4) to control the armature voltage of the wire feeding motor, so as to achieve the purpose of controlling the rotating speed of the motor.
2. The high-speed arc spraying wire feeder with the closed-loop wire feeding speed display function as claimed in claim 1, wherein the wire feeding speed is adjusted by monitoring the current of the spraying arc, feeding the obtained current value back to the control system, comparing the current value with a set value, and outputting a feedback voltage to act on the wire feeding motor to adjust the wire feeding speed.
3. The high-speed arc spraying wire feeder with the closed-loop wire feeding speed display function as claimed in claim 1, wherein the wire feeder is driven by a closed-loop motor, and the wire feeding speed can be kept unchanged under the conditions that a spray gun moves and foreign matters are added to a wire feeding pipe, so that the stable spraying current is ensured, atomized particles are fine and smooth, the porosity of a coating is low, the bonding strength of the coating is high, and the roughness of the surface of the coating is small.
4. The high-speed arc spraying wire feeder with the closed-loop wire feeding speed display function as claimed in claim 1, wherein the closed-loop high-speed arc spraying wire feeder can also display the real-time wire feeding speed digitally, and the spraying efficiency can be mastered all the time.
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Cited By (1)
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CN111471951A (en) * | 2019-12-28 | 2020-07-31 | 石河子大学 | High-speed electric arc spraying wire feeder with closed-loop wire feeding speed display function |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111471951A (en) * | 2019-12-28 | 2020-07-31 | 石河子大学 | High-speed electric arc spraying wire feeder with closed-loop wire feeding speed display function |
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