CN110442083A - A kind of aspherics mold control system for processing - Google Patents

Abstract

The invention is applicable to the technical field of optical mold processing, and provides an aspheric optical mold processing control system, including an industrial computer, a controller, a processing device and a detection system. The industrial computer is used to generate processing program instructions according to user input information, and then send The processing program command is sent to the controller; the controller is connected to the industrial computer for matching the motion mode according to the processing program command, and then sends the motion command to the processing device according to the matched motion mode; the processing device is connected to the controller for processing the mold to be processed ; The detection system is used to detect the accuracy of the initial processing mold, and control the processing control system to process and correct the initial processing mold according to the error value of the initial processing mold. Thereby, the present invention can improve the processing precision of the mould, improve the performance and quality of the product, promote the miniaturization of the product, and enhance the interchangeability of parts.

Description

A processing control system for aspheric optical mold

technical field

The invention relates to the technical field of optical mold processing, in particular to an aspheric optical mold processing control system.

Background technique

Advanced ceramic and optical glass components used in precision optical, mechanical, and electronic systems require ultra-high shape accuracy, surface accuracy, and very small layers of process deterioration. However, the current aspheric optical mold processing control system can only control the movement of each axis of the linear motor to complete the preliminary processing of the workpiece, but cannot perform precision inspection on the workpiece after the preliminary processing, so that it cannot be based on the error value of the workpiece after the preliminary processing Controlling the processing control system to re-process and correct the deviation of the workpiece, resulting in low precision of the workpiece and unable to meet actual needs.

In summary, there are obviously inconveniences and defects in the actual use of the prior art, so it is necessary to improve it.

Contents of the invention

In view of the above-mentioned defects, the object of the present invention is to provide an aspheric optical mold processing control system, which can improve the processing accuracy of the mold, improve the performance and quality of the product, promote the miniaturization of the product, and enhance the interchangeability of parts.

In order to achieve the above object, the present invention provides an aspheric optical mold processing control system, which includes an industrial computer, a controller, a processing device and a detection system.

The industrial computer is used to generate processing program instructions according to user input information, and then send the processing program instructions to the controller.

The controller is connected to the industrial computer for matching motion patterns according to the processing program instructions, and then sends motion instructions to the processing device according to the matched motion patterns.

The processing device is connected to the controller and is used for processing the mold to be processed.

The detection system is used for precision detection of the pre-processed mould, and controls the processing control system to correct the pre-processed mould, according to the error value of the pre-processed mould.

According to the aspheric optical mold processing control system of the present invention, the industrial computer is connected to an external power supply, including a keyboard and a mouse.

According to the aspheric optical mold processing control system of the present invention, the keyboard is used to input processing program information in the industrial computer, and then generate a processing program instruction; the mouse is used to select a program button, and then the processing program instruction sent to the controller.

According to the aspheric optical mold processing control system of the present invention, the industrial computer further includes CPU, hard disk, memory, plug-in hard disk, SMC, SD card and FC.

According to the aspheric optical mold processing control system of the present invention, the controller is a UMAC controller.

According to the aspheric optical mold processing control system of the present invention, the UMAC controller is used to control stepping motors, AC/DC servo motors, linear motors and hydraulic servo motors; the UMAC controller is also used to receive feedback signals from detection elements.

According to the aspheric optical mold processing control system of the present invention, the processing device includes a numerical control device arranged on a Z-axis guide rail and a piezoelectric driver, and a cutter is provided at one end of the piezoelectric driver near the mold to be processed; The processing device also includes a motor arranged on the X-axis guide rail, the output end of the motor is connected to the motor shaft, and the motor shaft is connected to the mold to be processed.

According to the aspheric optical mold processing control system of the present invention, the detection system includes a sensor, a machine tool pulse, an interface circuit, a pulse counting card, a data acquisition module and an alarm module; the sensor and the machine tool pulse are connected to the interface circuit, so The interface circuit is connected to the collection port of the data acquisition module, the interface circuit is also connected to a pulse counting card, the pulse counting card is connected to an industrial computer, and the industrial computer is connected to the data acquisition module.

According to the aspheric optical mold processing control system of the present invention, the industrial computer is also connected to an alarm module.

According to the aspheric optical mold processing control system of the present invention, the present invention also provides a method for processing an aspheric optical mold, comprising the following steps:

step one

Power on the industrial computer, then input the processing program, and send the processing program instructions to the controller;

step two

The controller matches all motion modes of the controller according to the processing program instructions, and after matching the corresponding motion modes, the controller generates a motion command, and then sends the motion command to the Processing device;

step three

The processing device performs corresponding rotation or linear motion according to the motion command, so that the aspheric optical mold processing control system completes the preliminary processing of the mold to be processed, and obtains the preliminary processed mold;

step four

The detection system measures the accuracy of the preliminary processing mold, and feeds back the error value of the preliminary processing mold to the industrial computer;

The industrial computer generates an error correction program instruction according to the error value, and sends the instruction to the controller;

The controller receives the error correction program instruction, and outputs a correction instruction to the processing device;

The processing device controls the linkage of relevant motors according to the correction command, and performs precise processing on the pre-processing mold to obtain a finishing mold;

step five

The detection system measures the finished mold again until the accuracy is within the allowable range of error, and the industrial computer issues a command to stop the processing program to end the processing of the mold.

The purpose of the present invention is to provide an aspheric optical mold processing control system. The processing program command is generated by the industrial computer according to the user input information and sent to the controller. The controller matches the working mode according to the processing program command and sends the motion to the processing device. command to complete the initial processing of the mold to be processed. In the present invention, a detection system is added to measure the precision of the finished mold, and the mold error value is fed back to the industrial computer, so that the industrial computer generates an error correction program instruction according to the mold error value, and sends it to the controller, and the controller controls the processing device to re-adjust The mold is precision machined. To sum up, the beneficial effects of the present invention are: it can improve the processing precision of the mold, improve the performance and quality of the product, promote the miniaturization of the product, and enhance the interchangeability of parts.

Description of drawings

Fig. 1 is the flow chart of processing control system of the present invention;

Fig. 2 is a structural representation of the processing device of the present invention;

Fig. 3 is a flow chart of the detection system of the present invention;

In the figure: 1-industrial computer, 2-controller, 3-processing device, 31-Z-axis guide rail, 32-numerical control device, 33-piezoelectric driver, 34-tool, 35-X-axis guide rail, 36-motor, 37-motor shaft, 38-mold to be processed; 4-detection system, 41-sensor, 42-machine pulse, 43-interface circuit, 44-pulse counting card, 45-data acquisition module, 46-alarm module.

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The invention provides an aspheric optical mold processing control system, which includes an industrial computer 1 , a controller 2 , a processing device 3 and a detection system 4 .

The function of the industrial computer 1 is to generate processing program instructions according to user input information, and send the processing program instructions to the controller 2 . The industrial computer 1 is connected to an external power supply, including a keyboard and a mouse. The user can use the keyboard to input processing program information in the industrial computer 1 according to the desired motion mode to generate processing program instructions, and then use the mouse to select the compiled program button and send to controller 2. The processing program command refers to the processing program command corresponding to the motion mode that controls the motor together with the motor driver. The motion mode includes rotary motion mode, linear motion mode, circular motion mode, curved motion mode and arc motion mode, etc. Each motion Each mode corresponds to a motion command. The industrial computer 1 has the attributes and characteristics of a computer, such as internal storage devices such as a computer CPU (Central Processing Unit, central processing unit), a hard disk, and a memory, as well as a plug-in hard disk, an SMC (Smart Media Card, a smart memory card), SD (Secure Digital, secure digital card), FC (Flash Card, flash memory card) and other external storage devices, and has operating system, control network and protocol, computing power and friendly man-machine interface, can be used for other structures/equipment/ The system provides reliable, embedded and intelligent industrial computers. Of course, the industrial computer 1 also includes other components, such as input and output devices, network access devices, buses and so on.

The controller 2 is connected to the industrial computer 1, and its function is to match the motion mode according to the processing program instruction, and send the motion command to the processing device 3 according to the matched motion mode; the controller 2 can pass the UMAC controller 2 (multi-axis motion controller 2) accomplish. UMAC controller 2 can control stepper motors, AC/DC servo motors, linear motors, hydraulic servo motors, etc., and can also receive grating scales, solenoid valves, signal lights, alarms, sensors, laser interferometers, potentiometers, and resolvers The feedback function of detection components, etc., can allow users to develop programs in multiple languages such as VC++, C, C++, VB, Delphi, etc., which is convenient for users to use.

The processing device 3 is connected to the controller 2, and the processing device 3 processes the mold 38 to be processed after receiving the movement command. The processing device 3 includes a numerical control device 32 and a piezoelectric driver 33 arranged on the Z-axis guide rail 31, and the piezoelectric driver 33 is provided with a cutter 34 near one end of the mold 38 to be processed; A motor 36, the output end of the motor 36 is connected to a motor shaft 37, and the motor shaft 37 is connected to a mold 38. The motor 36 can move on the X-axis guide rail 35 to realize the X-direction movement of the mold 38 to be processed, and the motor shaft 37 can rotate under the action of the motor 36 to realize the angle adjustment of the mold 38 to be processed; the piezoelectric driver 33 can move on the Z-axis Move on the guide rail 31 to realize the Z-direction movement of the cutter 34.

The detection system 4 is used to detect the accuracy of the pre-processed mold, and control the processing control system to correct the deviation of the pre-processed mold according to the error value of the pre-processed mold. Detection system 4 comprises sensor 41, machine tool pulse 42, interface circuit 43, pulse counting card 44, data acquisition module 45, alarm module 46; Sensor 41 and machine tool pulse 42 all connect interface circuit 43, and interface circuit 43 connects data acquisition module 45 The collection port, the interface circuit 43 is also connected to the pulse counting card 44, the pulse counting card 44 is connected to the industrial computer 1, the industrial computer 1 is connected to the data acquisition module 45, and the industrial computer 1 is also connected to the alarm module 46. The pulse counting card 44 counts the pulses of the interface circuit 43, waits for the counting condition to be satisfied, and sends a trigger signal. The industrial computer 1 sends the trigger signal to the acquisition channel of the data acquisition module 45, notifies the data acquisition module 45 to perform data acquisition, and the measured The error curve fitted by the error data is subtracted from the system error to obtain a new error curve, and the ideal curve of the mold 38 to be processed is subtracted from the new error curve to obtain the ideal trajectory for compensation processing, and the industrial computer 1 generates an error according to the mold error value Correct the program instruction, and send the error correction program instruction to the controller 2, and the processing device 3 then performs finishing or correction on the mold 38 to be processed.

During the working process, after the industrial computer 1 is powered on, the user enters the processing program to the industrial computer 1, and the industrial computer 1 generates the processing program instruction according to the processing program, and sends the program instruction to the controller 2; the controller 2 according to the processing program instruction and its own All motion modes are matched, and motion commands are generated after matching the corresponding motion modes, and sent to the processing device 3; the processing device 3 performs corresponding rotation or linear motion according to the motion commands, so that the aspheric optical mold processing control system completes the mold to be processed 38 preliminary processing; the detection system 4 measures the accuracy of the mold completed by the preliminary processing, and feeds back the mold error value to the industrial computer 1, and the industrial computer 1 generates an error correction program instruction according to the mold error value and sends the instruction to the controller 2 to control The device 2 receives the error correction program instruction and outputs the correction instruction to the processing device 3, and the processing device 3 controls the linkage of the relevant motors according to the correction instruction to carry out precise processing of the mold again; the detection system 4 measures the precision processed mold again, if the If the measured mold accuracy is within the allowable range of error, the industrial computer 1 will issue an instruction to stop the processing program. If the measured mold accuracy is not within the allowable range of error, the detection system 4 will continue to feed back the mold error value to the industrial computer 1, so that the industrial control Machine 1 regenerates the error correction program command according to the mold error value, and does not finish processing the mold until the precision of the mold reaches the tolerance range of the error.

According to the above-mentioned aspheric optical mold processing control system. The present invention also provides a method for processing an aspheric optical mold, comprising the following steps:

step one

Power on the industrial computer 1, then input the processing program, and send the program instruction to the controller 2;

step two

The controller 2 matches all motion modes of the controller 2 according to the instructions of the processing program, generates motion commands after matching the corresponding motion modes, and sends them to the processing device 3;

step three

The processing device 3 performs corresponding rotation or linear motion according to the motion command, so that the aspheric optical mold processing control system completes the preliminary processing of the mold 38 to be processed, and obtains the preliminary processed mold;

step four

The detection system 4 measures the accuracy of the pre-processed mold, and feeds back the error value to the industrial computer 1. The industrial computer 1 generates an error correction program instruction according to the error value and sends the instruction to the controller 2. The controller 2 receives the error correction program instruction and sends the instruction to the controller 2. The processing device 3 outputs the correction instruction, and the processing device 3 controls the linkage of the relevant motors according to the correction instruction, and performs precision processing on the mold to obtain a finished mold;

step five

The detection system 4 measures the finished mold again. If the measured accuracy is within the allowable range of error, the industrial computer 1 issues a command to stop the processing program. If the measured accuracy is not within the allowable range of error, the detection system 4 continues Feedback the error value to the industrial computer 1, so that the industrial computer 1 regenerates the error correction program instruction according to the mold error value, and the processing of the mold is not completed until the accuracy of the mold reaches the tolerance range of the error.

In summary, the present invention generates processing program commands according to user input information through the industrial computer and sends them to the controller. The controller matches the working mode according to the processing program commands and sends motion commands to the processing device to complete the initial processing of the mold to be processed. In the present invention, a detection system is added to measure the precision of the finished mold, and the mold error value is fed back to the industrial computer, so that the industrial computer generates an error correction program instruction according to the mold error value, and sends it to the controller, and the controller controls the processing device to re-adjust The mold is precision machined. To sum up, the beneficial effects of the present invention are: it can improve the processing precision of the mold, improve the performance and quality of the product, promote the miniaturization of the product, and enhance the interchangeability of parts.

Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.

Claims (10)

1. An aspheric optical mold processing control system is characterized in that it comprises an industrial computer, a controller, a processing device and a detection system; The industrial computer is used to generate processing program instructions according to user input information, and then send the processing program instructions to the controller; The controller is connected to the industrial computer for matching motion patterns according to the processing program instructions, and then sends motion instructions to the processing device according to the matched motion patterns; The processing device is connected to the controller for processing the mold to be processed; The detection system is used for precision detection of the pre-processed mould, and controls the processing control system to correct the pre-processed mould, according to the error value of the pre-processed mould. 2. The aspherical optical mold processing control system according to claim 1, wherein the industrial computer is connected to an external power supply, including a keyboard and a mouse. 3. The aspheric optical mold processing control system according to claim 2, wherein the keyboard is used to input processing program information in the industrial computer, and then generate processing program instructions; the mouse is used to select the program button, and then send the processing program instructions to the controller. 4. The aspherical optical mold processing control system according to claim 3, wherein the industrial computer further comprises a CPU, a hard disk, a memory, a plug-in hard disk, an SMC, an SD card, and a FC. 5. The aspherical optical mold processing control system according to claim 1, wherein the controller is a UMAC controller. 6. aspherical optical mold processing control system according to claim 5, is characterized in that, described UMAC controller is used for controlling stepping motor, AC/DC servo motor, linear motor and hydraulic servo motor; Described UMAC controller also It is used to receive the feedback signal of the detection element. 7. The aspheric optical mold processing control system according to claim 1, wherein the processing device includes a numerical control device and a piezoelectric driver arranged on the Z-axis guide rail, and the piezoelectric driver is close to the to-be-processed One end of the mold is provided with a tool; the processing device also includes a motor arranged on the X-axis guide rail, the output end of the motor is connected to the motor shaft, and the motor shaft is connected to the mold to be processed. 8. aspherical optical mold processing control system according to claim 1, is characterized in that, described detection system comprises sensor, machine tool pulse, interface circuit, pulse counting card, data acquisition module and alarm module; Described sensor and machine tool The pulses are all connected to the interface circuit, the interface circuit is connected to the acquisition port of the data acquisition module, the interface circuit is also connected to a pulse counting card, the pulse counting card is connected to an industrial computer, and the industrial computer is connected to the data acquisition module. 9. The aspherical optical mold processing control system according to claim 8, wherein the industrial computer is also connected to an alarm module. 10. A method for processing an aspheric optical mold according to the control system according to any one of claims 1 to 9, comprising the steps of: step one Power on the industrial computer, then input the processing program, and send the processing program instructions to the controller; step two The controller matches all motion modes of the controller according to the processing program instructions, and after matching the corresponding motion modes, the controller generates a motion command, and then sends the motion command to the Processing device; step three The processing device performs corresponding rotation or linear motion according to the motion command, so that the aspheric optical mold processing control system completes the preliminary processing of the mold to be processed, and obtains the preliminary processed mold; step four The detection system measures the accuracy of the preliminary processing mold, and feeds back the error value of the preliminary processing mold to the industrial computer; The industrial computer generates an error correction program instruction according to the error value, and sends the instruction to the controller; The controller receives the error correction program instruction, and outputs a correction instruction to the processing device; The processing device controls the linkage of relevant motors according to the correction command, and performs precise processing on the pre-processing mold to obtain a finishing mold; step five The detection system measures the finished mold again until the accuracy is within the allowable range of error, and the industrial computer issues a command to stop the processing program to end the processing of the mold.