JP4708146B2 - Setting method of mold opening / closing option operation of injection molding machine - Google Patents

Description

  The present invention relates to an operation setting method in the middle of mold opening and closing of an injection molding machine, and more particularly to a mold opening and closing operation suitable for setting an operation sequence in the middle of mold opening and closing when a mold mechanism provided with a core or the like is attached. It relates to the setting method.

  In recent years, an injection molding machine that is controlled variously by a microcomputer generally includes a display device such as a color CRT display, a color LCD display, etc., in order to set or check molding operation conditions for automatic molding operation. Various operating condition setting mode images, various measured data display mode images for displaying measured data of a large number of measurement items during automatic molding operation, to automatically display inspection items at the periodic inspection time to encourage periodic inspection Various mode screens such as a periodic inspection mode image and an alarm mode image for recognizing this when an abnormality occurs are displayed on the display device.

  By the way, in such an injection molding machine, every time the mold is replaced, the above-mentioned various operating condition setting mode images are called on the display device, and the molding conditions are sequentially input and set interactively with the display image of the display device. It is supposed to be. In addition, when a known core or screw removal mechanism is provided in the mold mechanism, in addition to the normal mold opening / closing operation conditions, the operation sequence of the core and screw removal, that is, the mold opening / closing option It is necessary to set the operation.

  FIG. 6 is a diagram showing a conventional mold opening / closing option operation setting mode image used for setting the operation order of the above-described core and screw removal mechanism. As shown in the figure, in the “mold opening process”, “middle mold opening (pause operation during mold opening)”, “core 1 return”, “core 2 return”, “ The operation item display columns 101 to 106 for “open mold (completed mold opening)”, “screw removal”, and “eject” are displayed, and the operation order setting columns 201 to 201 corresponding to the respective columns 101 to 106 are displayed below this. 206 is displayed. In the “clamping (mold closing) process”, “middle mold clamping (pause operation during mold clamping)”, “core 1 insertion”, “core 2 insertion”, “mold” in order from the left of the image. The operation item display fields 301 to 304 for “clamping (clamping completion)” are displayed, and the operation order setting fields 401 to 404 corresponding to the operation item display fields 301 to 304 are displayed below the operation item display fields 301 to 304. Then, in such a display state of the mold opening / closing option operation setting mode image, the operator moves the cursor to a desired column of the operation sequence setting columns 201 to 206 and 401 to 404 and inputs the operation sequence number here. Specification of mold opening / closing option action items and the order of actions were set. Further, Patent Document 1 discloses a conventional technique for displaying options of optional processing steps such as a stop process at the time of production completion and a stop process at the time of abnormality on a display unit such as a CRT provided in an injection molding machine.

JP-A-8-318555

  However, in the mold opening / closing option operation setting mode image of the injection molding machine conventionally used shown in FIG. 6 described above, the operation item display fields 101-106, 301-304 and the operation order setting fields 201-206, 401- Since 404 is fixedly displayed, after setting the optional operation order, the specified numerical value of the operation order must be checked at a glance, which makes it difficult to determine the operation order at a glance. Had.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to make it possible to set a complicated option operation sequence during mold opening and closing and to easily recognize the option operation sequence of mold opening and closing. It is an object of the present invention to provide a method for setting a mold opening / closing option operation of an injection molding machine capable of performing the above.

The mold opening / closing option operation setting method of the injection molding machine according to claim 1 includes a display device capable of displaying various mode images, and displaying a desired operation condition setting mode image on the display screen of the display device. In the injection molding machine capable of setting the displayed operating conditions, the mold opening / closing option operation setting mode image for setting the optional operation during the mold opening / closing of the mold mechanism attached to the injection molding machine is displayed. It is displayed on the display screen of the device, and in the display state of this mold opening / closing option operation setting mode image, the operation item type column is displayed in a predetermined order in the display area divided into the mold opening operation order and the mold closing operation order. Next, an optional action order is set by inputting a desired action order in the action item type field, and this action item type field is automatically arranged according to the set action order. Appears gills are in, and the display figure schematizes operation or components corresponding to the alignment operation item type space which is changed, automatically display the operation item type space which is changed the arrangement, then, gold When an intermediate position automatic adjustment process is performed when setting the mold intermediate position in order to stop the mold in the middle of mold opening and insert a core, it corresponds to each operation performed in the intermediate position automatic adjustment process. Each operation item column is displayed on the display screen in the order of the operation process, and when changing the setting of the mold opening halfway position, a numerical value for setting the mold opening halfway position corresponding to each operation item column It is characterized in that each numerical value input in the input field is judged to be large and small, and the mold opening position is automatically set based on each adjusted numerical value .

  As described above, according to the present invention, it is possible to set a complicated option operation order having a core and the like, and by visually observing the display figure rearranged in the order of operation in the display area in the mold opening / closing option operation order. Since it can be easily confirmed, it is possible to prevent misperception of the mold opening / closing option operation of the injection molding machine and to easily and reliably grasp the mold opening / closing option operation of the injection molding machine.

  Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following embodiment is one form when the present invention is embodied, and is not intended to limit the present invention within the scope thereof.

  FIG. 1 is a block diagram showing a control system of the injection molding machine of this embodiment. In FIG. 1, 1 is a microcomputer (microcomputer) that controls operation control and display control of the entire machine (injection molding machine), 2 is a sensor group composed of a large number of sensors provided in each part of the machine, and 3 is a machine A driver group composed of a large number of driver circuits for driving and controlling a large number of drive sources disposed in each part of the machine, 4 is a key input device disposed on the front surface of the machine, and 5 is a key input device. For example, a display device such as a color CRT display or a color LCD disposed adjacent to each other.

  In addition, the microcomputer 1 controls the entire molding process such as charging operation, injection operation, mold opening / closing operation, ejector operation, calculation / storage processing of measured data, non-defective / defective product determination processing, abnormality determination processing, etc. Various processes such as a determination process and a display control process for the output image of the display device 5 are executed. More specifically, the microcomputer 1 constitutes various I / O interfaces, ROM, RAM, CPU, etc., and executes various processes by various programs created in advance. In this embodiment, molding conditions A setting storage unit 11, a molding process control unit 12, an actual measurement value storage unit 13, a display processing unit 14, a key input processing unit 15, a mold opening / closing option operation setting processing unit 16, and the like will be described below. . The display processing unit 14 includes a data conversion processing unit 17, a fixed display data storage unit 18, a display image data generation unit 19, and the like.

  The molding condition setting storage unit 11 stores various operating condition values input by the key input device 4 via the key input processing unit 15 in a rewritable form. Examples of the operating condition values include: , Tightening force, relationship between screw position and screw speed during charge stroke, screw retraction speed, and back pressure, suck back control condition, injection speed from injection start point (position) to holding pressure switching point (position) Conditions, primary injection pressure conditions, holding pressure conditions from holding pressure switching time to holding pressure end time, band heater temperature of each part, mold closing (clamping) stroke and speed control conditions, mold clamping force, mold opening stroke These include speed control conditions, ejector control conditions, mold opening / closing option operation sequence control conditions, and the like.

  The molding process control unit 12 is based on the previously created molding process control program and the set condition values stored in the molding condition setting storage unit 11, and the sensor group 2 (position sensor, The corresponding drive source via the driver group 3 (motor driver, hydraulic cylinder driver, heater driver, etc.) while referring to the measurement information from the pressure sensor, temperature sensor, etc.) and the timekeeping information from the built-in clock. Is controlled to execute a series of molding steps.

  In the actual measurement value storage unit 13, all the actual measurement data of the monitor items set in advance during the continuous automatic operation are captured over a predetermined number of consecutive shots. Monitor items to be captured include time monitoring items, position monitoring items, rotation speed monitoring items, speed monitoring items, pressure monitoring items, temperature monitoring items, power monitoring items, etc., and important items of the above-described molding operation condition setting items Are almost overlapping.

  The display processing unit 14 creates display image data of a designated display mode based on a display image creation / control program created in advance in response to an instruction for calling a display image in a mode desired by the operator using the key input device 4. That is, when a call instruction for a predetermined display image by the operator arrives, the data conversion processing unit 17 of the display processing unit 14 displays the display from information stored in the molding condition setting storage unit 11 or the actual measurement value storage unit 13 as necessary. Data for use in displaying the mode image is extracted and converted into a form corresponding to the display form of the designated display mode image. For example, if the designated display mode is a graphic image of a certain process, the extracted data is converted into image data that has been drawn at a predetermined enlargement / reduction ratio, or there is a designated display mode. If it is the operation state setting image of the process, the extracted data is converted into numerical image data. Then, the generation processing data of the data conversion processing unit 17 is taken into the display image data generation unit 19. On the other hand, from a large number of characters, symbols, graphic figures, ruled line data, etc., which are preliminarily created and stored in the display fixed data storage unit 18 for use in displaying the display mode image. Data is extracted and is taken into the display image data generation unit 19 and is combined with the generation processing data of the data conversion processing unit 17 as display image data. As a result, the display image data generation unit 19 creates image data for the designated display mode, and holds this rewritable. Then, the image data of the display image data generation unit 19 is transferred to a frame buffer (not shown) and temporarily stored, and the output of the frame buffer is sent to the display device 5 according to a command from the display processing unit 14. The image data of a predetermined mode is displayed on the display screen 6 of the display device 5. In the display state of the predetermined image, numerical data or the like appropriately input from the key input device 4 via the key input processing unit 15 is taken into the data conversion processing unit 17 and converted into numerical image data or the like to display the display image. Synthesized as part of the data.

  The mold opening / closing option operation setting processing unit 16 provided in the microcomputer 1 is responsible for setting the operation order of the mold opening / closing option operation, and the option operation items designated by the operator from the key input device 4 via the key input processing unit 15 and this operation. The order is appropriately converted as necessary, transferred to the molding condition setting storage unit 11, and the optional action item data and the operation order data are stored in a predetermined storage area of the molding condition setting storage unit 11. . In addition, the mold opening / closing option operation setting processing unit 16 also transfers the instruction contents of the operator to the display processing unit 14 and performs the display processing unit 14 as necessary to set the mold opening / closing option operation setting as an operation condition setting mode image. Change the contents of the mode image.

  FIG. 2 is a diagram showing an initial display form of a mold opening / closing option operation setting mode image called by an operator by a predetermined key operation using the key input device 4. In the same figure, 28 is a display area of “order of mold opening operation” for showing the flow of the mold opening process in order from right to left, and 29 is a “mold” for showing the flow of the mold closing process in order of left to right. It is a display area of “order of closing operation”.

  In this initial mold opening / closing option operation setting mode image, in the “mold opening operation order” display area 28, the operation item type column 31 of “core 1”, “mold opening start” is displayed in the order of operation from right to left. The operation item type column 32, the “mold opening complete” operation item type column 33, and the “ejector” operation item type column 34 are displayed, while the “mold closing operation order” display area 29 includes In order of operation from left to right, an operation item type column 41 of “core 1”, an operation item type column 42 of “mold closing start”, and an operation item type column 43 of “mold closing completion” are displayed. In the operation item type columns 31, 32, 33, and 34, "1" to "4" indicating the mold opening order, and in the operation item type columns 41, 42, and 43, "1" to "4" indicating the mold closing order. 3 ”is displayed, and the display graphic described later is displayed in each action item type column.

  In the above-described display state of the initial mold opening / closing option operation setting mode image shown in FIG. 2, the operator sets the operation order of the core after the mold opening is started. When “2” is entered instead of the numerical value “1” of 31, “2” is entered “second” from the right in the “mold opening operation order” display area 28 as shown in FIG. The operation item type column 31 of “child 1” is automatically sorted and displayed.

  That is, the rearranged operation order of the “mold opening operation order” display area 28 is, as shown in FIG. 3, from the right to left operation order, the “mold opening start” operation item type column 32, “core” The operation item type column 31 of “1”, the operation item type column 33 of “mold opening completion”, and the operation item type column 34 of “ejector” are displayed. More specifically, the display processing unit 14 of the microcomputer 1 displays “core” “1” action item type column 31 is moved in the second operation order, “mold opening start” operation item type column 32 is moved in the first operation order, and the mold in the molding condition setting storage unit 11 is moved. A series of mold opening operation order information is stored in the opening option operation storage area, and corresponding to the operation item type column 31 of “core 1” and the operation item type column 32 of “mold opening start”. A display figure 31a schematically showing the displayed operation and setting parts; 2a and moves to the operation item type space 31. Therefore, the sequence corresponding to the operation order of the mold opening / closing process can be confirmed after the display figures 31a and 32a are rearranged, and the mold opening / closing operation procedure is displayed only by numerical values and characters as in the prior art. Unlike what is displayed, by displaying the display figures 31a and 32a corresponding to these in the operation item type fields 31 and 32, it becomes possible to easily recognize a series of mold opening / closing operation procedures at a glance. Therefore, in the present embodiment, display figures 31a and 32a corresponding to parts and operations used in the mold opening / closing optional operation such as the operation order of the core and screw removal are displayed in the display area 28 such as "the order of mold opening operation". Since the images are automatically rearranged and displayed in accordance with the series of operation orders, the operation order can be easily grasped and convenience is improved.

  Next, it demonstrates below, referring the flowchart which shows the type | mold opening / closing operation | movement order of FIG. When the operator sets the operation order of the core “1” or the like, that is, the operation order of the mold opening / closing option in the “mold opening operation order” display area 28 after the start of mold opening (step 1), FIG. As shown, when the operation order of “core 1” is before completion of mold opening (step 2), the operator inputs “2” instead of “1” in the operation item type column 31 of “core 1”. Then, as shown in FIG. 3, the microcomputer 1 moves the operation item type column 31 of “core 1” to the second position, and the operation item type column 32 of “start mold opening” moves to the first position. To do. Next, along with the movement of the action item type fields 31 and 32, the display figures 31a and 32a displayed thereon are automatically moved to the corresponding action item type fields 31 and 32 (rearranged). ) Is displayed (step 3). Next, in order to stop the mold in the middle of mold opening and insert the core, when setting the mold opening middle position (position to stop the mold halfway) (step 4), this mold opening middle position is If it is outside the range between the start of mold opening and the completion of mold opening, the setting is terminated (step 5). In step 5, if it is within the range between the start of mold opening and the completion of mold opening, an intermediate position automatic adjustment process described later is performed (step 6). In addition, when not setting after the mold opening start in step 1, when the operation order of “core 1” is not before the mold opening completion in step 2, and when the middle position of mold opening is not set in step 4, these Is ignored.

  Here, the intermediate position automatic adjustment process will be described below with reference to FIG. FIG. 5 is an explanatory diagram of the midway position automatic adjustment process displayed on the display screen 6 by a predetermined operation. As shown in FIG. 5A, in this display, “1” to “7” are displayed in the order of the operation stroke from right to left, corresponding to the operation stroke order 50 of “1” to “7”. In the operation item column 51, a mold opening start 61, a core 4 return 62, a core 3 return 63, a core 2 return 64, a core 1 return 65, a mold opening completion 66, and an ejector 67 are displayed. In the numerical value input fields below the mold opening start 61, the core 4 return 62, the core 3 return 63, the core 2 return 64, the core 1 return 65, and the mold opening completion 66, a numerical value of 0 to 200 mm is displayed. Input is displayed regardless of size.

  When it is desired to change the operation stroke order from the display state of FIG. 5A, as shown in FIG. 5B, for example, even if the order of the core 4 return 62 and the core 1 return 65 is changed, Although the mold opening halfway position does not change, in the case of changing the setting of the mold opening middle position, for example, at 20 (mm) in the numerical value input field corresponding to “2” of the operation stroke order 50 in FIG. As shown in FIG. 5D, when 90 (mm) is set, 90 (mm) of the core 4 return 62, 40 (mm) of the core 3 return 63, and 80 of the core 2 return 64 A numerical value of (mm) is determined to be large and small, and each numerical value determined to be large and small is adjusted to 90 (mm) as shown in FIG.

  Further, in the state of FIG. 5E, 20 (mm) is set at 90 (mm) in the numerical value input column corresponding to “4” in the operation stroke order 50 as shown in FIG. 5 (f). In this case, an adjustment confirmation message is displayed on the display screen 6. If this display is OK, the core 4 return 62 90 (mm), the core 3 return 63 90 (mm), and the core 2 return 64 are displayed. The numerical value of 20 (mm) is determined to be large and small, and as shown in FIG. 5G, each of these numerical values is adjusted to 20 (mm). That is, each numerical value in the numerical value input field for setting the mold opening halfway position is automatically determined and displayed and set by the microcomputer 1, so that the mold opening halfway position can be easily set. Become.

  As described above, in this embodiment, the mold opening / closing option operation setting mode image 6a for setting the optional operation during the mold opening / closing of the mold mechanism attached to the injection molding machine is displayed on the display screen 6 of the display device 5. In the initial display state of the mold opening / closing option operation setting mode image 6a shown in FIG. 2, the operation item type fields 31 to 34 are displayed in the display areas 28 and 29 divided into the mold opening operation order and the mold closing operation order, respectively. 41 to 43 are displayed in a predetermined order, and then, for example, “2” is entered instead of “1” representing the operation order in the operation item type field 31 of “core 1”. When the operation order is set, as shown in FIG. 3, the action item type field 31 is automatically sorted and displayed in the second order according to the set action order, and the rearranged action item type field is displayed. Vs 31 The display figure 31a operation or a part schematizes the injection molding machine, automatically displays on the operation item type space 31 rearranged. As a result, it is possible to set a complicated option operation order having a core, etc., and an operator or the like can visually check the arrangement order of the display figures rearranged in the display area 28 in the order of operation of the mold opening / closing option operation order. Thus, the order of the series of mold opening operations can be easily confirmed, so that misunderstanding of the mold opening / closing option operation of the injection molding machine can be prevented, and the sequence of the mold opening / closing option operation can be easily and reliably grasped.

It is a block diagram which shows the control system of the injection molding machine which shows an example of this invention. It is a figure which shows the initial form of a mold opening / closing option operation setting mode image same as the above. It is a figure which shows the display form which rearranged the operation item classification column same as the above. It is a flowchart which shows mold | die opening / closing operation | movement order same as the above. It is explanatory drawing about a midway position automatic adjustment process same as the above. It is explanatory drawing which shows the mold opening / closing option operation setting mode image of the conventional injection molding machine same as the above.

Explanation of symbols

5 Display device 6 Display screen 6a Model open / close option operation setting mode image 28 “Order of mold closing operation” display area (display area)
29 Display area (display area) of “mold closing order”
31a Display graphic

Claims (1)

In an injection molding machine comprising a display device capable of displaying various mode images, and displaying the desired operating condition setting mode image on the display screen of the display device, and enabling setting of the displayed operating conditions,
A mold opening / closing option operation setting mode image for setting an optional operation during the mold opening / closing of the mold mechanism attached to the injection molding machine is displayed on the display screen of the display device,
In the display state of the mold opening / closing option operation setting mode image, the operation item type column is displayed in a predetermined order in the display area divided into the mold opening operation order and the mold closing operation order,
Next, set the optional action order by entering the desired action order in the action item type field,
The action item type field is automatically rearranged and displayed in accordance with the set action order, and the display figure schematically representing the operation or part corresponding to the rearranged action item type field is rearranged. Automatically displayed in the action item type field ,
Next, in order to stop the mold in the middle of mold opening and insert the core, when setting the mold opening midway position, when the midway position automatic adjustment process is performed,
Each action item column corresponding to each action performed in this mid-position automatic adjustment process is displayed on the display screen so as to be in the order of the action process,
When changing the setting of the mold opening halfway position, each numerical value input to the numerical value input column for setting the mold opening halfway position corresponding to each action item column is determined to be large and small, and further adjusted. A method for setting a mold opening / closing option operation of an injection molding machine, wherein the setting of a mold opening middle position is automatically performed based on a numerical value .

Images