CN209970474U - Intelligent control system of automatic polishing machine - Google Patents

Abstract

The utility model discloses an intelligent control system for an automatic light-pulling machine, which comprises a single chip microcomputer and a control circuit respectively connected with the single chip computer. The control circuit includes a photosensitive sensor module, a solenoid valve module and a driver; The relay module; the driver is connected to the stepping motor; the relay is connected to the solenoid valve. The system can realize the intelligent control of the automatic polishing machine and achieve the purpose of improving the processing efficiency. The system has high control precision, fast data processing speed, good anti-interference, and is easy to use.

Description

An intelligent control system for automatic polishing machine

technical field

The utility model relates to an automatic polishing machine intelligent control system, in particular to an automatic polishing machine intelligent control system based on STM32F103ZET6 single chip control.

Background technique

Automatic polishing machine is a kind of mechanical equipment with high automation and intelligence. It is a kind of polishing equipment produced by technical transformation on the basis of ordinary polishing machine. The automatic polishing machine is composed of basic components such as base, polishing device, control system, auxiliary fixture and so on. The automatic polishing machine has a variety of uses, and can achieve multiple effects such as deburring, chamfering, polishing, cleaning, etc. It can also meet the requirements of polishing for irregular parts, and there is no need for manual intervention during the polishing process. Set the polishing time to realize one person and multiple machines to improve work efficiency and save processing time.

However, after consulting the data, it is found that the existing processing equipment at home and abroad does not have a good solution for some small inner hole surfaces, such as the pinhole or special-shaped hole surface of the needle plate of a sewing machine. Therefore, it is very meaningful to design an automatic pinhole polishing machine, which can not only reduce the impact of manual processing on product quality, but also improve production efficiency.

Therefore, with the development of electronic technology, especially single-chip microcomputer, processing can be automated.

Utility model content

The purpose of the utility model is to provide an intelligent control system for an automatic polishing machine, which can solve the technical problems, and can make the automatic polishing machine intelligently control and has good reliability.

The purpose of the present utility model is achieved through the following technical solutions.

An intelligent control system for an automatic light-pulling machine, comprising a single-chip microcomputer, a control circuit, a photosensitive sensor module, a voltage-stabilizing circuit and a button circuit respectively connected to the single-chip microcomputer, wherein the control circuit 9 includes a driver and a solenoid valve; the driver is connected to a step into the motor; the solenoid valve is connected to the double-acting cylinder.

Further, the voltage regulator circuit includes MC34063 single-chip microcomputer, MC34063 single-chip microcomputer pin 6 and pins 1, 7, and 8 are respectively connected to the DC12V power supply through resistor R3, and the DC12V power supply is connected in series with a capacitor C1 and then grounded; pin 4 is grounded, and pin 3 is grounded. Ground through capacitor C2; pin 2 and pins 3 and 4 are connected in parallel with diode D1 and then connected to the load through inductor L; pin 5 is grounded through resistor R1, and connected to capacitor C3 through resistor R2 and then grounded.

Further, the single-chip microcomputer adopts STM32F103ZET6 single-chip microcomputer.

Further, the driver is a TB6600 driver, and its control pins are respectively connected with the microcontroller STM32F103ZET6, the power supply and the stepping motor.

Further, the photosensitive sensor module adopts LXD14516 photoresistor, and the DO pin in the control circuit is connected to the pin of the STM32F103ZET6 control chip of the single-chip microcomputer.

Further, a relay module JQC-3FF is connected to the control pin of the STM32F103ZET6 control chip of the single-chip microcomputer, and the other end of the relay module JQC-3FF is connected to a solenoid valve and a power supply.

Further, the photosensitive sensor module includes an amplifier, the same-direction input terminal of the amplifier is connected to the resistor R3, the reverse input terminal is connected to the resistor R2, the resistor R3 is connected to the photoresistor R4 and the resistor R2 is connected in parallel with the input terminal circuit of the amplifier, and the photoresistor R4 is connected to the input terminal circuit of the amplifier. A capacitor C2 is connected in parallel with the load VO; the output terminal of the amplifier is connected with a resistor R5, and the resistor R5 is connected in parallel with a group of series-connected light-emitting diodes D2 and resistor R6, followed by the output terminal DO.

Further, the input circuit of the amplifier includes a photodiode D1 and a resistor R1 in series with each other, and then a capacitor C1 in parallel, which is grounded in parallel.

Further, the solenoid valve includes a piston, a pilot valve and a coil; the piston is arranged on the valve stem of the pilot valve, the valve stem of the pilot valve is arranged in the coil frame, and the position of the corresponding piston is provided with an air source inlet, an air source outlet and a double The two vent holes of the action cylinder; the air source inlet 1 is connected to the air source; the two vent holes of the double-action cylinder are respectively connected to the double-action cylinder.

The beneficial effects of the present utility model are:

1) For the selection of each component, the photosensitive sensor module is used for brightness detection and control, which greatly reduces the power consumption. The selection of some resistors and capacitors also follows the choice of reducing power consumption.

2) The device includes a photosensitive sensor module, a voltage regulator circuit, a control circuit, a solenoid valve, etc. The control chip processes the collected signals and outputs a control PWM wave to control the rotation of the stepping motor. The voltage regulator circuit first realizes voltage regulation through the MC34063 chip, so that the voltage changes to 5V, which is supplied to other circuit modules to make each module work normally. The single-chip microcomputer first reads the level of the pin connected to the button to control the on and off of the solenoid valve and the distance of the stepper motor rotation. The photosensitive sensor module transmits the collected light intensity signal to the single-chip computer to form a closed-loop control.

The intelligent control system of the automatic polishing machine can effectively realize intelligent control, has low cost, high processing efficiency, and has good market development prospects.

Description of drawings

Fig. 1 is the system structure block diagram of the present utility model;

Figure 2 is the chip voltage regulator control circuit diagram;

Figure 3 is a photosensitive sensor circuit;

Figure 4 is a schematic diagram of the working principle of the solenoid valve.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, an intelligent control system for an automatic light-pulling machine includes a single-chip microcomputer, a control circuit, a photosensitive sensor module, a voltage-stabilizing circuit and a button circuit respectively connected to the single-chip microcomputer. The control circuit includes a driver and a solenoid valve; into the motor; the solenoid valve is connected to the double-acting cylinder.

The utility model collects information on the photosensitive sensor module and the key circuit through the single chip microcomputer of the control circuit. The collected signals are input into the STM32F103ZET6 control chip of the single-chip microcomputer, and the collected signals are processed by the single-chip microcomputer and act on the relay circuit and the controller circuit.

In this system, the photosensitive sensor can measure the light intensity, the measurement accuracy is high, and the measurement circuit is simple. The central control circuit of the single-chip microcomputer has a wide range of operation data, fast operation speed, high circuit integration, and it has rich I/O interfaces, a variety of communication methods, timers, counters and multi-level interrupt processing capabilities are extremely convenient. Program design and debugging, can output PWM wave at the same time to control the driver; the photosensitive sensor module adopts integrated module, the circuit connection method is simple, and the stability is good.

Among them, the voltage regulator circuit module reduces the interference of the microcontroller by other signals and ensures the stable operation of the microcontroller. When the operator presses the button, the automatic polishing machine starts to work. When the photosensitive sensor detects that the parts to be processed have been processed, the automatic polishing machine stops working.

The following are respectively the voltage regulator circuit diagram and the control circuit to further illustrate the effect of the system.

As shown in FIG. 2 , it is a circuit diagram of a chip voltage regulator of the present invention. The power supply circuit includes MC34063 single-chip microcomputer, MC34063 single-chip microcomputer pin 6 and pins 1, 7, and 8 are respectively connected to DC12V through resistor R3, and a capacitor C1 is connected in series and then grounded; pin 4 is grounded, pin 3 is grounded through capacitor C2, and pin 2 The diode D1 is connected in parallel with the pins 3 and 4, and then the load is connected to the load through the inductor; the pin 5 is grounded through the resistor R1, and the capacitor C3 is connected to the ground through the resistor R2.

Ui is the DC input voltage after rectification and filtering, and Uo is the required DC output voltage value. Its input and output are controlled by chip MC34063, and the inverting input terminal (pin 5) of the comparator monitors the output voltage through external voltage divider resistors R1 and R2. Among them, the output voltage Uo=1.25 (1+R2/R1) The output voltage can be known from the formula. It is only related to the value of R1 and R2, because the reference voltage Ui is constant. If the resistance values of R1 and R2 are stable, and Uo is also stable, the purpose of voltage regulation is achieved.

The control circuit includes two parts, the relay module and the driver module, to complete the processing action together. The relay module works by sending a high level through the single-chip microcomputer. When the relay module receives the signal sent by the single-chip computer, it controls the corresponding interface to be closed or disconnected to control the power-on and power-off of the solenoid valve.

As shown in FIG. 3 , it is a photosensitive sensor circuit of the present invention. The photosensitive sensor module includes an amplifier. The non-inverting input terminal of the amplifier is connected to a resistor R3, and the reverse input terminal is connected to a resistor R2. D1 and resistor R1 are connected in series with each other and then connected in parallel with a capacitor C1, which is connected to ground after being connected in parallel. A capacitor C2 is connected in parallel with the photoresistor R4, and then the load AO is connected; the output terminal of the amplifier is connected with the resistor R5, and the resistor R5 is connected in parallel with a group of series-connected light-emitting diodes D2 and resistor R6, and then the output terminal DO is connected.

The single-chip microcomputer is connected to the O terminal on the circuit. When the voltage value of the external environment is higher than the set threshold value, DO outputs a high level; otherwise, it outputs a low level.

The photosensitive sensor module can also use the LXD14516 photoresistor, and the DO pin in the control circuit is connected to the pin of the single-chip STM32F103ZET6 control chip.

A relay module JQC-3FF is connected to the control pin of the single-chip STM32F103ZET6 control chip, and the other end of the relay module JQC-3FF is connected to a solenoid valve and a power supply.

As shown in Figure 4, it is the working principle of the solenoid valve of the present invention. The solenoid valve includes a piston 6 , a pilot valve 7 and a coil 8 . Piston 6 is arranged on the valve stem of pilot valve 7, and the valve stem of pilot valve 7 is arranged in the coil skeleton. The position corresponding to piston 6 is provided with air source inlet 1 and air source outlet 2. Air source inlet 1 is connected to the air source. The two vent holes 2 and 4 of the action cylinder are respectively connected to the double-action cylinder. When the coil 8 is not energized, the position of the piston will not change, at this time the air source inlet 1 and the air source outlet 2 are connected; when the coil 8 is energized, the piston position changes, at this time the air source inlet 1 and the double-acting cylinder vent hole 4 is turned on. As a result, the movement of the piston in the double-acting cylinder can be controlled.

The embodiment of the utility model collects signals through key information, and then transmits the collected signals to the core processing chip single-chip microcomputer, and processes and calculates the information through the core processing chip STM32F103ZET6, and controls whether the relay is connected or not. The solenoid valve is energized and disconnected, the stepper motor is controlled by the control driver, and the ambient brightness is measured by the photosensitive sensor, and the intelligent control is realized comprehensively; the system is powered by 220V AC, which is easy to use; in order to provide stable stability to the core processor The 5V voltage is realized by the step-down voltage regulator circuit, and the MC34063 is used to realize it. The MC34063 has the functions of low power consumption, simple circuit and high efficiency; the output of the power circuit is connected to the power indicator, and the power indicator is used to judge whether the power supply is normal; When the operator presses the button, the control system starts to work and completes the action of the processed part. When the photosensitive sensor detects that the part to be processed has been processed, it stops processing and waits for the operator to load the material and reprocess it.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention.

Claims (9)

1. an automatic light-pulling machine intelligent control system, is characterized in that: comprise single-chip microcomputer, and control circuit, photosensitive sensor module, voltage-stabilizing circuit and button circuit that are respectively connected with single-chip microcomputer, and described control circuit comprises driver and solenoid valve; The driver is connected to a stepping motor; the solenoid valve is connected to a double-acting cylinder. 2. The intelligent control system of an automatic light-pulling machine according to claim 1, wherein the voltage-stabilizing circuit comprises an MC34063 single-chip microcomputer, and the MC34063 single-chip microcomputer pin 6 and pins 1, 7, and 8 pass through resistance R3 and Connect the DC12V power supply, the DC12V power supply is connected in series with a capacitor C1 and then grounded; pin 4 is grounded, and pin 3 is grounded through capacitor C2; R1 is grounded, connected to capacitor C3 through resistor R2 and then grounded. 3 . The intelligent control system of an automatic polishing machine according to claim 1 , wherein the single-chip microcomputer adopts an STM32F103ZET6 control chip. 4 . 4. The intelligent control system of an automatic polishing machine according to claim 3, wherein the driver is a TB6600 driver, and its control pins are respectively connected with the single-chip microcomputer STM32F103ZET6, a power supply and a stepping motor. 5. The intelligent control system of an automatic light-pulling machine according to claim 3, characterized in that: the photosensitive sensor module adopts LXD14516 photoresistor, and the DO pin in its control circuit is connected to the pin of the single-chip STM32F103ZET6 control chip . 6. a kind of automatic light-pulling machine intelligent control system according to claim 3, is characterized in that: the control pin of described single chip STM32F103ZET6 control chip is connected with relay module JQC-3FF, and the other end of relay module JQC-3FF is connected Solenoid valve and power supply. 7 . The intelligent control system of an automatic light-pulling machine according to claim 1 , wherein the photosensitive sensor module comprises an amplifier, the same-direction input terminal of the amplifier is connected to a resistor R3 , the reverse input terminal is connected to a resistor R2 , and the resistance R3 is connected to the photoresistor R4 and the resistor R2 in parallel, and then connected to the input circuit of the amplifier. A capacitor C2 is connected in parallel to the photoresistor R4 and then the load VO; And resistor R6 is followed by output terminal DO. 8 . The intelligent control system of an automatic light-pulling machine according to claim 7 , wherein the input circuit of the amplifier comprises a photodiode D1 and a resistor R1 in series with each other, and then a capacitor C1 in parallel, which is grounded in parallel. 9 . 9 . The intelligent control system for an automatic polishing machine according to claim 1 , wherein the solenoid valve comprises a piston, a pilot valve and a coil; the piston is arranged on the valve stem of the pilot valve, and the valve stem of the pilot valve It is arranged in the coil frame, and the position of the corresponding piston is provided with an air source inlet, an air source outlet and two air holes of the double-acting cylinder; the air source inlet is connected to the air source; the two air holes of the double-acting cylinder are respectively connected to the double-acting cylinder.

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