KR100913908B1 - Supervisory apparatus of insert injection mold in plastic injection molding machine - Google Patents

Abstract

A supervisory apparatus of an insert injection mold is provided to check up under or over molding of insert molded products immediately and to prevent damage to the mold by monitoring the pick-up of products and the positions of the core and ejector pin. A supervisory apparatus of an insert injection mold comprises a microprocessor, a first and a second CCD camera, a main screen(30), a monitor, a ROM, a RAM, a buzzer, an alarm lamp, a plurality of insert injection molding machines, and an RS-232 communication port. The microprocessor controls the whole operation of the insert injection molding machine. The first and the second CCD camera photograph the open and closed state of the insert injection mold and output it to the microprocessor. The buzzer outputs an alarm sound when the failure rate of products exceeds the specific value or the state of the insert injection mold is not good. The alarm lamp informs the shape of the injection mold is not good. The RS-232 communication port makes communication with the insert injection molding machine.

Description

Monitoring device for insert injection mold {SUPERVISORY APPARATUS OF INSERT INJECTION MOLD IN PLASTIC INJECTION MOLDING MACHINE}

     The present invention relates to a monitoring device for an insert injection mold, and in particular, to improve the yield of the molded article by monitoring the defect (unmolded or overmolded) and the state of the insert injection mold in the insert injection molding machine, the insert In addition to monitoring the correct position of the parts, the insert injection molding machine can reduce the risk of insert injection mold breakage by monitoring whether the insert injection molded product is ejected from the insert injection molding machine, whether the core and the ejector pins are in the normal position. It relates to the monitoring device of.

As a monitoring apparatus for injection molds well known from the prior art, it is disclosed in Korean Patent Publication No. 1996-0009316 (published date; July 18, 1996).

The mold monitoring apparatus of the injection molding machine disclosed in Korean Patent Publication No. 1996-0009316 is equipped with one to three CCD cameras, a 286A computer, an image processor, and the like to display the Hangul data and display the processing status on an analog monitor. By operating the key control unit, a wide range of operations and modifications can be quickly and easily handled for various specifications required at the production site. It is configured to be easily monitored by workers by displaying Korean data on the analog monitor through multiple CCD cameras.

However, the mold monitoring apparatus of the conventional injection molding machine configured as described above cannot move the screen size and position of the inspection area because the moving picture is not supported, for example, the unmolded or overmolded molding state of the injection molded product. Not only can not be immediately inspected, but also the state of the mold can not be detected in real time, so the yield of the injection molded product can not be improved, and the operator can not be immediately alerted when an abnormality occurs, and the operator cannot respond quickly. There have been several problems, such as the inability to reduce man power, since the analog monitor must be constantly monitored.

The conventional mold monitoring apparatus of the injection molding machine also has a problem that it is impossible to detect whether the insert part is in the correct position in the insert injection molding machine in which the injection mold moves in the up and down directions.

Accordingly, the present invention has been made in view of the above-mentioned various problems, and an object of the present invention is to insert injection molded articles by monitoring the state of defects (unmolded or overmolded) and insert injection molds in the insert injection molded products. To provide a monitoring device for an insert injection molding machine that can improve the yield.

It is another object of the present invention to prevent insert injection mold breakage and reduce insert injection mold repair cost by monitoring whether the position of the insert injection product, the core, and the ejector pin in the insert injection molding machine is in the normal position. To provide a monitoring device for the molding machine.

It is still another object of the present invention to provide an insert injection molding machine monitoring device capable of immediately inspecting an unmolded or overmolded product of an insert injection molded product, and detecting and displaying a state of the insert injection mold in real time. .

Still another object of the present invention is to provide a monitoring device for an insert injection molding machine which can notify an operator by outputting an alarm sound when an abnormality occurs.

Still another object of the present invention is to provide an insert injection molding machine monitoring apparatus capable of monitoring an exact position of an insert injection part.

The present invention has been made in order to achieve the above object, the insert injection mold monitoring apparatus of the present invention insert injection molding machine by monitoring the status of the injection molding product defect (unmolded or overmolded) and the insert injection mold It can improve the yield of molded products, monitor whether the ejection of the product, the core, and the ejector pins are in the normal position in the insert injection molding machine to prevent the damage of the insert injection mold and reduce the insert injection mold repair cost. It can not only immediately inspect the unmolding or overmolding of insert injection molding products, but also detect and display the status of insert injection mold in real time. Inserts that can be informed and monitor the exact position of insert injection molded parts It characterized in that it comprises a monitoring device for an injection molding machine.

According to the monitoring device of the insert injection mold of the present invention, it is possible to improve the yield of the insert injection molding by monitoring the defect (unmolded or overmolded) and the state of the insert injection mold in the insert injection molding machine, The injection molding machine monitors whether the product is ejected, the core and the ejector pins are in the normal position to prevent mold breakage, reduce mold repair costs, and immediately inspect unmolded or overmolded insert injection molded products. In addition, the status of the insert injection mold can be detected and displayed in real time, and when an abnormality of the insert injection molding machine occurs, an alarm sound can be notified to the operator and the correct position of the insert injection part can be monitored. The effect is that you can.

Hereinafter, a monitoring apparatus for an insert injection molding machine according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view schematically showing a monitoring apparatus for an injection molding machine according to an embodiment of the present invention, Figure 2 is a circuit block diagram of a monitoring apparatus for an injection molding machine according to an embodiment of the present invention, Figure 3 1 is a diagram illustrating a main screen displayed on a monitor, FIG. 4 is a diagram of a file window displayed when a file and camera menu screen is clicked in FIG. 3, and FIG. 5 is a file and camera menu screen clicked on FIG. 3. This is a diagram of a camera mode window displayed when the display is performed.

1 to 5, the monitoring apparatus of the insert injection molding machine according to an embodiment of the present invention

A microprocessor (1) for controlling the overall operation of the insert injection molding machine (40),

ROM (5; Read Only Memory) for storing the execution program of the microprocessor 1,

The shape of the insert injection molded product and the state of the insert injection mold of the insert injection molded product are photographed (photographed) and output to the microprocessor 1, and the production of the insert injection molded product and the insert injection molded product is performed. First and second CCD cameras 7 and 9 for capturing the state of the insert injection mold (the mold opening (the mold open) and the mold closing (the mold closed state)) and outputting the same to the microprocessor 1;

File and camera menu button 31, inspection and setting button 32, camera image display window 33, bad image display window 34, status display window 35, I / O under the control of the microprocessor 1 A monitor 11 for displaying a main screen 30 including an input / output status button 36, a job and camera button 37, a job display window 38, and a counter display and reset window 39; ,

File and camera menu button 31, inspection and setting button 32, camera image display window 33, bad image display window 34, status display window 35 of the main screen 30 displayed on the monitor 11; Mouse to input a command of an operator (also referred to as an operator) to the I / O (input / output) state button 36, the work and camera buttons 37, the work display window 38, and the counter display and reset window 39. 13,

Recalling data previously input by the file and camera menu button 31, setting and storing the currently set data, displaying the stored image on the monitor 11, ending the program, and at the same time, the camera mode RAM (15) for shooting (shooting) the camera in the still image mode, freezing the video, and storing the image displayed on the I / O as an acquisition / still screen;

An external button 20 installed on the front panel of the main body to input a command of the operator from the outside;

The ROM in the microprocessor 1 receiving image data on the shape of the insert injection molded product and the state of the insert injection mold of the insert injection molded product photographed by the first and second CCD cameras 7 and 9. If the calculation process according to the execution program stored in (5) does not match with the reference image data stored in the RAM 15, the defective rate of the insert injection molded product exceeds a predetermined value or the state of the insert injection mold is good. If not, the buzzer 17 outputs an alarm sound to the operator,

When the alarm sound is output from the buzzer 17, the lamp lights to warn that the defect of the insert injection molding product exceeds a predetermined value or to warn that the shape of the insert injection mold of the insert injection molding machine 40 is not good. 18,

It consists of an RS-232 communication port 19 which communicates with an adjacent insert injection molding machine 40 to control a plurality of insert injection molding machines 40.

The external button 20 has an emergency stop switch 21 for providing an emergency operation of the insert injection molding machine 40 at the time of outputting the alarm sound of the buzzer 17 or the light emission of the beacon 18, and an insert. A start switch 22 for restarting the insert injection molding machine 40 after the cause of the defective injection molded product and the condition of the insert injection mold is improved, and the removal of the cause of the defective injection molded product and the insert It is composed of an alarm release switch 23 for releasing the alarm sound of the buzzer 17 and the emission of the warning lamp 18 after the injection mold is made to be in good condition.

The main screen 30 displayed on the monitor 11 includes a file window A for opening and storing setting data and an image file, and the first and second CCD cameras 7, 9 and 9 in still image / movie mode. A file and a camera menu button composed of a camera mode window (B) which respectively captures images, stops operations of the first and second CCD cameras 7 and 9, and acquires / stops images displayed on the I / O, respectively. 31) and a setting window to turn off all the signals from the video screen and stop all the signals from the video signal that has stopped the automatic inspection, and to check the data (for example, inspection area, inspection sensitivity, inspection method, etc.). And a camera image display window 33 for displaying an image captured by the first and second CCD cameras 7, 9 and the setting and checking button 32 for executing an automatic inspection / manual inspection at the same time. ), And images of defective products generated during work If any one of the inspection stop button 32a, the SETUP button 32b, or the inspection start button 32c is pressed on the defective image display window 34 and the inspection and setting screen 32, the current program is displayed. Status display window 35 which displays the status of the job being performed, mold A input, mold B input, emergency stop, restart, alarm release, mold stop, robot stop, first ejector stop, second ejector stop And I / O (input / output) status button 36 to display the status of alarm occurrence, manual inspection in case of equipment failure, set initial condition and display video screen in video mode, and The job and camera buttons 37 for stopping, the job display window 38 for displaying the screen at the time of setting the job or the result after the job are displayed on the screen, and the total number of inspections, the number of good product judgments, and the number of defective judgments are counted. Display and reset the counter It consists of the counter display and the reset window 39.

The file window A of the file and camera menu button 31 includes a setting data opening button 31a for loading previously stored data, and a setting data storing button for storing the setting of the currently given data in the microprocessor 1. 31b, an image file open button 31c for displaying the stored image on the screen, an image file save button 31d for storing an image file for storing the image displayed on the screen in the microprocessor 1, The camera mode window (B) of the file and camera menu button (31) includes a still image mode button (31f) for shooting the camera in a still image mode, and a camera. A motion picture mode button 31g for shooting in the still picture mode, a motion picture stop button 31h for stopping the camera operation, an I / O image acquisition button 31i for acquiring an image displayed on the I / O, On I / O Said is composed of I / O image stop button (31j) to freeze the image.

The inspection and setting button 32 is to turn off all the signals coming out of the video screen, the inspection stop button 32a for stopping the automatic inspection, and the setting window for stopping the automatic inspection upon clicking and stopping all the signals from the video signal And a setup button 32b for setting up an inspection area, inspection sensitivity, and inspection method data for inspection, and an inspection start button 32c for executing automatic inspection by input / output.

The camera image display window 33 may include a first screen 33a displaying an image photographed by the first camera 7 and a second image displaying an image photographed by the second CCD camera 9. It consists of the screen 33b.

The defective image display window 34 may include a first defective image screen 34a which displays an image taken by the first camera 7 as an image of a defective product generated during the operation, and the defective product generated during the operation. It consists of the 2nd bad image screen 34b which displays the image image | photographed by the 2nd camera 9 as an image.

In the drawings, reference numeral 60 denotes a mouse accommodation cabinet for receiving the mouse 13, and 60a is a door covering the opening of the mouse accommodation cabinet 60.

After the input of the new product data into the monitoring device of the insert injection molding machine according to an embodiment of the present invention will be briefly described for the manufacture of the insert injection molding product.

First, when the start button 22 of the external button 20 is switched on, power is applied to the microprocessor 1 so that the door 60a of the mouse accommodating cabinet 60 is opened and the mouse 13 is opened. Is exposed to operate externally and at the same time, the main screen 30 shown in FIG. 3 is displayed on the monitor 11 under the control of the microprocessor 1.

Operate the mouse 13 to move the cursor to the file on the main screen 30 and the file window A of the camera menu button 31 to move the first CCD camera 7 to the still image mode button 31f of the mold A. Click to take a still image, or click the video mode button 31g to shoot a video, or click the video stop button 31h to stop the camera operation.

In addition, in the file window (A) of the file and camera menu button 31, click the I / O image acquisition button 31i to acquire an image displayed on the I / O or click the I / O image stop button 31j. To freeze the image displayed on the I / O.

As described above, when the first CCD camera 7 is photographed in the still image / video mode of the mold A, the first CCD camera 7 is displayed on the first screen 33a of the camera image display window 33, and the second CCD camera 9 is When shooting in the still image / video mode of the mold B is displayed on the second screen 33b of the camera image display window 33, the first screen 33a or the second screen to inspect the mold A or mold B Still images / movies of the mold A or the mold B respectively displayed on 33b are alternately displayed on the work display window 38.

The moving image or still image is selected by the button selected in the camera mode window B of the file and camera menu buttons 31, and the image file save button 31D is displayed in the file window A of the file and camera menu buttons 31. It can be stored in the microprocessor (1) by clicking, and the moving image or still image stored in the microprocessor (1) is an image file open button (31c) in the file window (A) of the file and camera menu button (31) Click to display on the work display window 38.

Meanwhile, data previously stored in the microprocessor 1 may be displayed on the work display window 38 by clicking the open setting data button 31a in the file window A of the file and camera menu button 31. On the contrary, in the file window A of the file and camera menu button 31, the setting data storage button 31a may be clicked and stored in the microprocessor 1.

Click the stop test button 32a of the test and setup button 32 to turn off all the signals from the video screen, stop the auto test, and click the SETUP button 32b to stop the auto test. A setting window for stopping all signals from the video signal is generated. After setting the inspection area, inspection sensitivity, and inspection method data for inspection, automatic inspection can be executed by input / output by clicking the inspection start button 32c.

The monitoring device of the insert injection molding machine according to an embodiment of the present invention is an image of the defective product generated during the operation taken by the first camera 7 on the first defective image screen 34a of the defective image display window 34. Is displayed as an image, and an image of the defective product generated during the operation photographed by the second camera 9 is displayed on the first defective image screen 34a of the defective image display window 34 as an image, and the first When the scroll keys installed on the right side of the defective image screen 34a and the first defective image screen 34a are lowered, the images of the defective products up to now can be displayed on the image screen.

In addition, when the inspection stop button 32a is clicked on the inspection and setting screen 32, the status display window 35 indicates that the inspection stop state is displayed, and the SETUP button 32b is displayed on the inspection and setting screen 32. Click to display the inspection conditions such as the inspection area, inspection sensitivity and inspection method, or click the inspection start button 32c on the inspection and setting screen 32 to indicate that the inspection is starting.

If the mold A input of the I / O state button 36 is clicked and set, it indicates that data relating to the mold A is being input. If the mold B input of the I / O state button 36 is clicked and set, the mold Indicates that data related to B is being input, and if emergency stop of the I / O state button 36 is clicked to set, it indicates that emergency stop is in progress, and is set by clicking restart of the I / O state button 36. If it is restarted, and if the alarm release of the I / O state button 36 is set by clicking to indicate that the alarm is released, and the mold closing by clicking the stop mold of the I / O state button 36 to set Indicates that the robot is stopped by setting the stop of the robot of the I / O status button 36 and clicking the setting of the first ejector stop of the I / O status button 36. 1 indicates that the ejector is stopped, and the I / O state button 36 Clicking by setting a projector on the second stop is set by clicking on the alarm indicating that the projector is stopped at the second, and the I / O status button 36 to indicate that the alarm is triggered.

When the manual inspection of the task and the camera button 37 is set by clicking, it indicates that the manual inspection is performed after setting the task, and indicates that the initial condition is being set, and clicks the video of the task and the camera button 37. In this case, the first and second cameras 7 and 9 are displayed in a video mode in a video mode, and when the operation and the camera button 37 are stopped and set, the first and second cameras are displayed. Indicates that shooting of (7, 9) is stopped.

In the job display window 38, the screen at the time of job setting or the result after the job is displayed on the screen, and the counter is reset by setting the counter by clicking the counter reset in the counter display and reset window 39, and the counter display and reset window 39 ) Shows the total number of inspections of insert molded products, and the number of good and bad judgments among the total number of inspections of insert molded products.

Therefore, the monitoring device of the insert injection molding machine of the present invention can improve the yield of the insert injection molded product by monitoring the defect (unmolded or overmolded) and the state of the insert injection mold in the injection molding product in the insert injection molding machine, and insert injection molding. By monitoring whether the ejection of the product, the core, and the ejector pins are in the normal position in the molding machine, the insert injection mold can be prevented from being damaged, the insert injection mold repair cost can be reduced, and the insert injection molding product is not formed or overmolded. Not only can you immediately check the status of the insert injection mold, but also detects and displays the status of the insert injection molding machine in real time. Can monitor the exact position.

In the above description, although illustrated and described with reference to specific embodiments, the present invention is not limited thereto, for example, by those skilled in the art without departing from the concept of the present invention. Of course, the design can be changed in many ways.

1 is a perspective view schematically showing a monitoring apparatus of an injection molding machine according to an embodiment of the present invention.

2 is a circuit block diagram of a monitoring apparatus for an injection molding machine according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a main screen displayed on the monitor in FIG. 1.

FIG. 4 is a view of a file window displayed when a file and camera menu screen is clicked in FIG. 3.

FIG. 5 is a diagram of a camera mode window displayed when a file and a camera menu screen are clicked in FIG. 3.

<Description of the symbols for the main parts of the drawings>

1: Microprocessor 5: ROM

7: First CCD Camera 9: Second CCD Camera

11: Monitor 13: Mouse

15: RAM 17: Buzzer

18: Warning light 19: RS-232 communication port

20: External button 21: Emergency stop switch

22: start switch 23: alarm release switch

Claims (5)

The microprocessor 1 which controls the overall operation of the insert injection molding machine 40, the ROM 5 which stores the execution program of the microprocessor 1, the shape of the product to be insert injection molded and the shape of the insert injection molded product. The microprocessor 1 photographs the state of the insert injection mold and outputs it to the microprocessor 1, and simultaneously photographs the open and closed states of the insert injection mold according to the manufacture of the insert injection molded product and the insert injection molded product. First and second CCD cameras 7 and 9 output to (1), a file and camera menu button 31, an inspection and setting button 32, and a camera image display window under the control of the microprocessor 1; (33), bad image display window 34, status display window 35, I / O (input / output) status button 36, job and camera button 37, job display window 38, and counter display and reset window Main screen 30 with 39 The monitor 11 to display, the file and camera menu button 31 of the main screen 30 displayed on the monitor 11, the inspection and setting button 32, the camera image display window 33, and the bad image display window ( 34), status display window 35, I / O (input / output) status button 36, job and camera buttons 37, job display window 38 and counter display and reset window 39 Recall data previously input by the input mouse 13 and the file and camera menu buttons 31, set and save the currently set data, display the stored image on the monitor 11, and program At the same time, the camera 15 captures (shoots) the camera in the still image mode, stops the video, and stores the image displayed on the I / O as an acquisition / still screen. An external button 20 installed on the panel for inputting an operator's command from the outside; The ROM (5) in the microprocessor (1) received image data on the shape of the insert injection molded product taken by the first and second CCD cameras (7, 9) and the state of the insert injection mold of the insert injection molded product. In the case where the calculation process is performed according to the execution program stored in the control unit and does not match with the reference image data stored in the RAM 15, the defective rate of the insert injection molded product may not exceed a predetermined value or the state of the insert injection mold may not be good. In the case of a buzzer 17 for outputting an alarm sound to the operator, and when the alarm sound is output from the buzzer 17 to emit light to warn that the defect of the insert injection molding product exceeds a predetermined value or the insert injection molding machine 40 Bead 18 to warn that the shape of the insert injection mold is not good and adjacent insert injection molding machines to control the plurality of insert injection molding machines 40. According to (40) communicating with the RS-232 communication port 19 it is composed of a monitoring apparatus of the insert injection mold in which, The main screen 30 displayed on the monitor 11 includes a file window A for opening and storing setting data and an image file, and the first and second CCD cameras 7, 9 and 9 in still image / movie mode. File and camera menu buttons composed of a camera mode window (B) for shooting, respectively stopping the operation of the first and second CCD cameras 7 and 9 and acquiring / stopping images displayed on the I / O. 31) and a setting window to turn off all the signals from the video screen and to stop all the signals from the video signal that has stopped the automatic inspection, and to set the data to be inspected and to perform the automatic inspection / manual inspection. And a setting button 32, a camera image display window 33 displaying images captured by the first and second CCD cameras 7, 9, and images of defective products generated during operation. Bad image display window 34 and the inspection And a status display window (35) which displays the status of the job currently being executed by the program when any one of the inspection stop button 32a, the SETUP button 32b or the inspection start button 32c is pressed on the setting screen 32. ) And I / O that displays the status of mold A input, mold B input, emergency stop, restart, alarm release, mold stop, robot stop, first ejector stop, second ejector stop and alarm occurrence. Output) status button 36, set manual inspection in case of equipment abnormality, set initial condition, display video screen in video mode, stop camera shooting and camera button 37, and set work A task display window 38 for displaying a screen or a post-operation result on the screen, and a counter display and reset window for counting the operation results to display the total inspection count, the quantity of good product determination, and the number of defective judgments, and to reset the counter. Including (39), The file window A of the file and camera menu button 31 includes a setting data opening button 31a for loading previously stored data, and a setting data storing button for storing the setting of the currently given data in the microprocessor 1. 31b, an image file open button 31c for displaying the stored image on the screen, an image file save button 31d for storing an image file for storing the image displayed on the screen in the microprocessor 1, The camera mode window (B) of the file and camera menu button (31) comprises a still image mode button (31f) for shooting the camera in the still image mode, and Motion picture stop button 31h for stopping the operation, I / O image acquisition button 31i for acquiring the image displayed on the I / O, and I / O image stop button for stopping the image displayed on the I / O ( 31j) And also including, The inspection and setting button 32 is to turn off all the signals coming out of the video screen, the inspection stop button 32a for stopping the automatic inspection, and the setting window for stopping the automatic inspection upon clicking and stopping all the signals from the video signal And an SETUP button 32b for setting the inspection area, inspection sensitivity, and inspection method data to be generated and inspected, and an inspection start button 32c for executing automatic inspection by input / output. Monitoring device for injection mold. delete delete 2. The camera image display window 33 of claim 1, wherein the camera image display window 33 comprises a first screen 33a displaying an image captured by the first camera 7, and an image captured by the second CCD camera 9. Insert injection mold monitoring device, characterized in that consisting of a second screen (33b) for displaying. The bad image display window 34 is a first bad image screen 34a which displays an image taken by the first camera 7 as an image of a bad product generated during a work, and is in operation. And a second defective image screen (34b) which displays an image of the generated defective product by the second camera (9) as an image.

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