CN214721255U - Feedback system of numerical control spark erosion drilling machine tool for machining oil injection hole of automobile oil injector - Google Patents
Feedback system of numerical control spark erosion drilling machine tool for machining oil injection hole of automobile oil injector Download PDFInfo
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- CN214721255U CN214721255U CN202120196725.8U CN202120196725U CN214721255U CN 214721255 U CN214721255 U CN 214721255U CN 202120196725 U CN202120196725 U CN 202120196725U CN 214721255 U CN214721255 U CN 214721255U
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Abstract
The utility model discloses a feedback system of a numerical control spark erosion drilling machine tool for machining an oil injection hole of an automobile oil injector, which comprises a master control system, a micropore machining fine pulse power supply, a micropore machining high-sensitivity servo feed system, a current detection sensor and a discharge state detection sensor; the fine pulse power supply for micro-hole machining is connected with a punching discharge system of the machine tool, the high-sensitivity servo feed system for micro-hole machining is in communication connection with a punching spindle system of the machine tool, the current detection sensor and the discharge state detection sensor are both arranged on the punching discharge system, and the current detection sensor and the discharge state detection sensor are both in communication connection with the high-sensitivity servo feed system for micro-hole machining. The utility model discloses can punch the electric current size and the discharge state of discharge system at electric spark perforation in-process real-time detection and feedback perforation, have high frequency pulse power supply automatic adjustment function and servo feeding self-adaptation function to can be stable, reliable completion automobile fuel injector's micropore processing, improved the yields greatly.
Description
Technical Field
The utility model belongs to the machine tool numerical control system field, concretely relates to car sprayer nozzle hole processing numerical control spark-erosion drilling machine tool feedback system.
Background
The automobile fuel injector is usually made of nichrome, and the nichrome has the characteristics of good rust prevention, high hardness and enough toughness. The traditional machining method cannot realize intelligent adjustment of the electric spark servo feeding speed and intelligent adjustment of the electric spark discharging power at present, so that the rejection rate of machining an oil injection hole of an automobile oil injector by using the traditional machining method is high, and the quality of the oil injection hole of the automobile oil injector cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
In order to satisfy the market demand, the utility model provides a car sprayer nozzle hole processing numerical control spark-erosion drilling machine tool feedback system to solve the problem of car sprayer nozzle hole processing difficulty.
For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a feedback system of a numerical control spark erosion drilling machine tool for machining an oil injection hole of an automobile oil injector comprises a main control system, a micro-hole machining fine pulse power supply, a micro-hole machining high-sensitivity servo feeding system, a current detection sensor and a discharge state detection sensor; the micropore machining fine pulse power supply is connected with a punching discharge system of a machine tool, the micropore machining high-sensitivity servo feed system is in communication connection with a punching spindle system of the machine tool, the current detection sensor and the discharge state detection sensor are both arranged on the punching discharge system, and the current detection sensor and the discharge state detection sensor are both in communication connection with the micropore machining high-sensitivity servo feed system; the main control system is responsible for processing and transmitting data, and the current detection sensor is responsible for detecting the current of the perforation discharge system and providing a current feedback signal for the high-sensitivity micro-hole machining servo feeding system; the discharge state detection sensor is used for detecting the discharge state of the perforation discharge system and providing a discharge state feedback signal for the high-sensitivity micro-hole machining servo feeding system; the micro-hole machining high-sensitivity servo feeding system is responsible for controlling the punching spindle system to perform high-sensitivity servo feeding according to the instruction of the main control system, and is also responsible for converting a current feedback signal and a discharge state feedback signal and transmitting the converted current feedback signal and discharge state feedback signal from feedback data back to the main control system; and the micropore machining fine pulse power supply is used for providing a high-frequency pulse power supply with adjustable power for the perforating discharge system according to the instruction of the main control system.
Furthermore, the main control system is in communication connection with a display operation device serving as a man-machine communication platform, and the display operation device is responsible for displaying the running state, the monitoring data and the processing process of the machine tool and is used for setting an operation instruction.
Further, the display operation device is a touch display screen or a touch panel with a display screen, wherein the touch display screen may be a touch liquid crystal display screen.
Furthermore, the main control system adopts an ARM controller.
Furthermore, the master control system comprises a central processing unit, a processing database, a first communication interface and a second communication interface, wherein the central processing unit is respectively connected with the processing database, the first communication interface and the second communication interface, the first communication interface is used for being connected with a third communication interface on the display operation equipment, and the second communication interface is respectively connected with the fine pulse power supply for micropore processing and a corresponding communication interface on the high-sensitivity servo feeding system for micropore processing.
Furthermore, the master control system comprises an input interface connected with the central processing unit, and the input interface is used for being in communication connection with input equipment comprising a keyboard, a mouse, a microphone, a control panel, control buttons and control knobs.
Furthermore, the fine pulse power supply for micropore machining comprises an intelligent pulse generator, a fine pulse power supply communication interface for micropore machining and a fine pulse power supply power amplifier for micropore machining, wherein the intelligent pulse generator is respectively connected with the fine pulse power supply communication interface for micropore machining and the fine pulse power supply power amplifier for micropore machining, the fine pulse power supply communication interface for micropore machining is connected with a corresponding communication interface on the main control system, and the fine pulse power supply power amplifier for micropore machining is connected with the perforation discharge system;
the micro-hole machining fine pulse power supply communication interface is responsible for communication between the micro-hole machining fine pulse power supply and the master control system, the intelligent pulse generator is responsible for generating and adjusting high-frequency electric pulses, and the micro-hole machining fine pulse power supply power amplifier is responsible for amplifying and outputting the power of the high-frequency electric pulses.
Furthermore, the high-sensitivity servo feeding system for micro-hole machining comprises a drive control system, a communication interface of the high-sensitivity servo feeding system for micro-hole machining, a power amplifier of the high-sensitivity servo feeding system for micro-hole machining, an overcurrent protection module and a speed following system, wherein the drive control system is respectively connected with the communication interface of the high-sensitivity servo feeding system for micro-hole machining, the power amplifier of the high-sensitivity servo feeding system for micro-hole machining, the overcurrent protection module and the speed following system;
the micro-hole machining high-sensitivity servo feeding system comprises a micro-hole machining high-sensitivity servo feeding system communication interface, an overcurrent protection module, a speed following system, a drive control system and a power amplifier, wherein the micro-hole machining high-sensitivity servo feeding system communication interface is responsible for communication between the micro-hole machining high-sensitivity servo feeding system and a main control system, the overcurrent protection module is responsible for receiving a current feedback signal, converting the current feedback signal into an overcurrent protection signal and transmitting the overcurrent protection signal to the drive control system, the speed following system is responsible for receiving a discharge state feedback signal, converting the discharge state feedback signal into a speed following signal and transmitting the speed following signal to the drive control system, the drive control system is responsible for generating and adjusting a motor drive signal of a punching spindle system, receiving and processing the overcurrent protection signal and the speed following signal, and transmitting the overcurrent protection signal and the speed following signal back to the main control system, and the micro-hole machining high-sensitivity servo feeding system power amplifier is responsible for amplifying and outputting the motor drive signal of the punching spindle system.
The utility model has the advantages that:
1. the utility model discloses can be at electric spark perforation in-process real-time detection perforation discharge system's electric current size and discharge state to for the high sensitive servo feed system of major control system control micropore processing pulse power supply and micropore processing provides signal feedback, have high frequency pulse power supply automatic adjustment function and servo feeding self-adaptation function, thereby can be stable, reliable completion automobile fuel injector's micropore processing, improved the yields greatly, solved the problem of present automobile fuel injector nozzle hole processing difficulty.
2. The utility model discloses a touch display screen can not only show the operating information of system as man-machine communication platform, can also show the detection information of processing position, and it is clear to show, easy operation convenience.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a system block diagram of the feedback system of the machine tool of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.
Referring to fig. 1, a feedback system of a numerical control spark erosion drilling machine tool for machining an oil injection hole of an automobile oil injector comprises a main control system 1, a micropore machining fine pulse power supply 2, a micropore machining high-sensitivity servo feeding system 3, a current detection sensor 4 and a discharge state detection sensor 5; the micro-hole machining fine pulse power supply 2 is connected with a punching discharge system 6 of a machine tool, the micro-hole machining high-sensitivity servo feed system 3 is in communication connection with a punching spindle system 7 of the machine tool, the current detection sensor 4 and the discharge state detection sensor 5 are both arranged on the punching discharge system 6, and the current detection sensor 4 and the discharge state detection sensor 5 are both in communication connection with the micro-hole machining high-sensitivity servo feed system 3; the master control system 1 is responsible for processing and transmitting data, and the current detection sensor 4 is responsible for detecting the current of the perforation discharge system 6 and providing a current feedback signal for the high-sensitivity micro-hole machining servo feeding system 3; the discharge state detection sensor 5 is responsible for detecting the discharge state of the perforation discharge system 6 and providing a discharge state feedback signal for the high-sensitivity micro-hole machining servo feeding system 3; the micro-hole machining high-sensitivity servo feeding system 3 is responsible for controlling the perforation spindle system 7 to perform high-sensitivity servo feeding according to the instruction of the main control system 1, and is also responsible for converting a current feedback signal and a discharge state feedback signal and transmitting the converted current feedback signal and discharge state feedback signal from feedback data back to the main control system 1; the micropore machining fine pulse power supply 2 is used for providing a high-frequency pulse power supply with adjustable power for the perforation discharge system 6 according to the instruction of the main control system 1.
Further, the main control system 1 is in communication connection with a display operation device 8 serving as a man-machine communication platform, and the display operation device 8 is responsible for displaying the running state, the monitoring data and the machining process of the machine tool and is used for setting an operation instruction.
Further, the display operation device 8 is a touch display screen or a touch panel with a display screen, where the touch display screen may be a touch liquid crystal display screen.
Further, the main control system 1 adopts an ARM controller.
Further, the main control system 1 includes a central processing unit 101, a processing database 102, a first communication interface 103 and a second communication interface 104, the central processing unit 101 is connected to the processing database 102, the first communication interface 103 and the second communication interface 104, the first communication interface 103 is used for being connected to a third communication interface 801 on the display operation device 8, and the second communication interface 104 is connected to the fine pulse power source 2 for micro-hole processing and the corresponding communication interface on the high-sensitivity servo feeding system 3 for micro-hole processing.
Further, the main control system 1 includes an input interface 105 connected to the central processing unit 101, where the input interface 105 is used for communication connection with input devices including a keyboard, a mouse, a microphone, a control panel, control buttons, and control knobs.
Further, the fine pulse power supply 2 for micro-hole machining comprises an intelligent pulse generator 201, a fine pulse power supply communication interface 202 for micro-hole machining and a fine pulse power supply power amplifier 203 for micro-hole machining, the intelligent pulse generator 201 is respectively connected with the fine pulse power supply communication interface 202 for micro-hole machining and the fine pulse power supply power amplifier 203 for micro-hole machining, the fine pulse power supply communication interface 202 for micro-hole machining is connected with a corresponding communication interface on the main control system 1, and the fine pulse power supply power amplifier 203 for micro-hole machining is connected with the perforation discharge system 6;
the fine pulse power supply communication interface 202 for micropore machining is responsible for communication between the fine pulse power supply 2 for micropore machining and the main control system 1, the intelligent pulse generator 201 is responsible for generating and adjusting high-frequency electric pulses, and the fine pulse power supply power amplifier 203 for micropore machining is responsible for amplification and output of the high-frequency electric pulse power.
Further, the micro-hole machining high-sensitivity servo feed system 3 comprises a drive control system 301, a micro-hole machining high-sensitivity servo feed system communication interface 302, a micro-hole machining high-sensitivity servo feed system power amplifier 303, an overcurrent protection module 304 and a speed following system 305, the driving control system 301 is respectively connected with the micro-hole machining high-sensitivity servo feeding system communication interface 302, the micro-hole machining high-sensitivity servo feeding system power amplifier 303, the over-current protection module 304 and the speed following system 305, the communication interface 302 of the micro-hole machining high-sensitivity servo feeding system is connected with the corresponding communication interface on the main control system 1, the micro-hole machining high-sensitivity servo feeding system power amplifier 303 is connected with the perforating spindle system 7, the overcurrent protection module 304 and the speed following system 305 are respectively connected with the perforated discharge system 6;
the micro-hole machining high-sensitivity servo feeding system communication interface 302 is responsible for the communication between the micro-hole machining high-sensitivity servo feeding system 3 and the main control system 1, the over-current protection module 304 is responsible for receiving a current feedback signal, and converts it into an overcurrent protection signal to be transmitted to the drive control system 301, the speed following system 305 is responsible for receiving a discharge state feedback signal, and converts it into a speed following signal to be transmitted to the driving control system 301, the driving control system 301 is responsible for generating and adjusting a motor driving signal of the punching spindle system, receiving and processing an overcurrent protection signal and the speed following signal, and an overcurrent protection signal and a speed following signal are transmitted back to the main control system 1, and the power amplifier 303 of the micro-hole machining high-sensitivity servo feeding system is responsible for amplifying and outputting a motor driving signal of the punching spindle system.
The working principle of the utility model is as follows:
the main control system 1 controls the punching spindle system 7 to work through the micro-hole machining high-sensitivity servo feeding system 3, so that the punching spindle system 7 drives the punching discharging system 6 to perform high-sensitivity servo feeding on a workpiece, and meanwhile, the main control system 1 controls the punching discharging system 6 to work through the micro-hole machining fine pulse power supply 2, so that the punching discharging system 6 performs electric spark punching machining on the workpiece.
In the process of electric spark perforation, the current detection sensor 4 monitors the current magnitude of the perforation discharge system 6 in real time, the discharge state detection sensor 5 monitors the discharge state of the perforation discharge system 6 in real time, and feeds a current feedback signal and a discharge state feedback signal back to the high-sensitivity micro-hole machining servo feed system 3 in real time, an overcurrent protection module 304 and a speed following system 305 in the high-sensitivity micro-hole machining servo feed system 3 convert the received current feedback signal and the received discharge state feedback signal into an overcurrent protection signal and a speed following signal respectively, and then the overcurrent protection signal and the speed following signal are fed back to the main control system 1 by a drive control system 301 in the high-sensitivity micro-hole machining servo feed system 3; the main control system 1 processes the received overcurrent protection signal and the speed following signal, judges whether the feeding speed of the perforating spindle system 7 needs to be adjusted or not, whether the electric pulse size of the perforating discharge system 6 needs to be adjusted or not, and judges whether overcurrent protection is needed to be performed on the perforating discharge system 6 or not, so that the perforating process is stably and rapidly promoted.
If the feeding speed of the perforating spindle system 7 needs to be adjusted, the main control system 1 issues an instruction to the micro-hole machining high-sensitivity servo feeding system 3, and the driving control system 301 in the micro-hole machining high-sensitivity servo feeding system 3 adjusts the feeding speed of the perforating spindle system 7; if the electric pulse size of the perforation discharge system 6 needs to be adjusted, the main control system 1 issues an instruction to the fine pulse power supply 2 for micropore machining, and the intelligent pulse generator 201 in the fine pulse power supply 2 for micropore machining changes the size of the pulse power supply provided for the perforation discharge system 6; if overcurrent protection is needed for the perforating discharge system 6, the main control system 1 issues instructions to the high-sensitivity micro-hole machining servo feeding system 3 and the fine micro-hole machining pulse power supply 2 respectively, and controls the output of the intelligent pulse generator 201 in the drive control system 301 in the high-sensitivity micro-hole machining servo feeding system 3 and the fine micro-hole machining pulse power supply 2, so that the work of the perforating main shaft system 7 and the perforating discharge system 6 is stopped.
Meanwhile, in the process of electric spark perforation, the main control system 1 displays the received information of the running state, the monitoring data, the machining process and the like of the machine tool on the display operation device 8 in real time, the display operation device 8 serves as a man-machine communication platform, and operation instructions can be input into the main control system 1 or machining parameters can be set.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a car sprayer nozzle hole processing numerical control spark-erosion drilling machine tool feedback system which characterized in that: the micro-hole machining device comprises a main control system (1), a micro-hole machining fine pulse power supply (2), a micro-hole machining high-sensitivity servo feeding system (3), a current detection sensor (4) and a discharge state detection sensor (5); the micropore machining fine pulse power supply (2) is connected with a perforation discharge system (6) of a machine tool, the micropore machining high-sensitivity servo feed system (3) is in communication connection with a perforation spindle system (7) of the machine tool, the current detection sensor (4) and the discharge state detection sensor (5) are both arranged on the perforation discharge system (6), and the current detection sensor (4) and the discharge state detection sensor (5) are both in communication connection with the micropore machining high-sensitivity servo feed system (3); the master control system (1) is responsible for processing and transmitting data, and the current detection sensor (4) is responsible for detecting the current of the perforation discharge system (6) and providing a current feedback signal for the micro-hole machining high-sensitivity servo feeding system (3); the discharge state detection sensor (5) is responsible for detecting the discharge state of the perforation discharge system (6) and providing a discharge state feedback signal for the high-sensitivity micro-hole machining servo feeding system (3); the micro-hole machining high-sensitivity servo feeding system (3) is responsible for controlling the perforating spindle system (7) to perform high-sensitivity servo feeding according to the instruction of the main control system (1), and is also responsible for converting a current feedback signal and a discharge state feedback signal and transmitting the converted current feedback signal and discharge state feedback signal from feedback data back to the main control system (1); the micropore machining fine pulse power supply (2) is used for providing a high-frequency pulse power supply with adjustable power for the perforation discharge system (6) according to the instruction of the main control system (1).
2. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 1, is characterized in that: the main control system (1) is in communication connection with a display operation device (8) serving as a man-machine communication platform, and the display operation device (8) is responsible for displaying the running state, monitoring data and the machining process of the machine tool and is used for setting an operation instruction.
3. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 2, is characterized in that: the display operation equipment (8) is a touch display screen or a touch panel with a display screen.
4. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 1, is characterized in that: the main control system (1) adopts an ARM controller.
5. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 1, is characterized in that: main control system (1) includes central processing unit (101), processing database (102), first communication interface (103) and second communication interface (104), central processing unit (101) respectively with processing database (102) first communication interface (103) with second communication interface (104) are connected, first communication interface (103) are used for being connected with third communication interface (801) on showing operating equipment (8), second communication interface (104) respectively with the meticulous pulse power supply of micropore processing (2) and the communication interface connection that corresponds on the high sensitive servo feed system of micropore processing (3).
6. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 5, is characterized in that: the main control system (1) comprises an input interface (105) connected with the central processing unit (101), wherein the input interface (105) is used for being in communication connection with input equipment comprising a keyboard, a mouse, a microphone, a control panel, control buttons and control knobs.
7. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 1, is characterized in that: the micro-hole machining fine pulse power supply (2) comprises an intelligent pulse generator (201), a micro-hole machining fine pulse power supply communication interface (202) and a micro-hole machining fine pulse power supply power amplifier (203), wherein the intelligent pulse generator (201) is respectively connected with the micro-hole machining fine pulse power supply communication interface (202) and the micro-hole machining fine pulse power supply power amplifier (203), the micro-hole machining fine pulse power supply communication interface (202) is connected with a corresponding communication interface on the main control system (1), and the micro-hole machining fine pulse power supply power amplifier (203) is connected with the perforation discharge system (6);
the micropore machining fine pulse power supply communication interface (202) is responsible for the micropore machining fine pulse power supply (2) and the communication of the master control system (1), the intelligent pulse generator (201) is responsible for generating and adjusting high-frequency electric pulses, and the micropore machining fine pulse power supply power amplifier (203) is responsible for amplifying and outputting the power of the high-frequency electric pulses.
8. The feedback system of the numerical control spark-erosion drilling machine tool for machining the oil injection hole of the automobile oil injector according to claim 1, is characterized in that: the high-sensitivity servo feeding system (3) for micro-hole machining comprises a drive control system (301), a high-sensitivity servo feeding system communication interface (302) for micro-hole machining, a high-sensitivity servo feeding system power amplifier (303) for micro-hole machining, an overcurrent protection module (304) and a speed following system (305), wherein the drive control system (301) is respectively connected with the high-sensitivity servo feeding system communication interface (302) for micro-hole machining, the high-sensitivity servo feeding system power amplifier (303) for micro-hole machining, the overcurrent protection module (304) and the speed following system (305), the high-sensitivity servo feeding system communication interface (302) for micro-hole machining is connected with a corresponding communication interface on the main control system (1), and the high-sensitivity servo feeding system power amplifier (303) for micro-hole machining is connected with the perforating main shaft system (7), the overcurrent protection module (304) and the speed following system (305) are respectively connected with the perforated discharge system (6);
the micro-hole machining high-sensitivity servo feeding system communication interface (302) is responsible for communication between the micro-hole machining high-sensitivity servo feeding system (3) and the main control system (1), the overcurrent protection module (304) is responsible for receiving a current feedback signal, and converts it into an overcurrent protection signal to be transmitted to the drive control system (301), the speed following system (305) is responsible for receiving a discharge state feedback signal, and converts the speed signal into a speed following signal to be transmitted to the drive control system (301), wherein the drive control system (301) is responsible for generating and adjusting a motor drive signal of the perforation spindle system, receiving and processing an overcurrent protection signal and the speed following signal, and an overcurrent protection signal and a speed following signal are transmitted back to the main control system (1), and the power amplifier (303) of the high-sensitivity servo feeding system for micropore processing is responsible for amplifying and outputting a motor driving signal of the perforating spindle system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196725.8U CN214721255U (en) | 2021-01-25 | 2021-01-25 | Feedback system of numerical control spark erosion drilling machine tool for machining oil injection hole of automobile oil injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196725.8U CN214721255U (en) | 2021-01-25 | 2021-01-25 | Feedback system of numerical control spark erosion drilling machine tool for machining oil injection hole of automobile oil injector |
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| CN214721255U true CN214721255U (en) | 2021-11-16 |
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| CN202120196725.8U Active CN214721255U (en) | 2021-01-25 | 2021-01-25 | Feedback system of numerical control spark erosion drilling machine tool for machining oil injection hole of automobile oil injector |
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