JP2659480B2 - Setting method of mold opening / closing option operation of injection molding machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of setting a mold opening / closing option operation of an injection molding machine, and more particularly to a method for setting a core mechanism and a mold mechanism provided with a screw removing mechanism. The present invention relates to a method for setting a mold opening / closing option operation suitable for setting an operation sequence of a screw removal mechanism.

[0002]

2. Description of the Related Art A recent microcomputer-controlled injection molding machine is provided with a display device such as a color CRT display and a color LCD display. The display device sets or confirms molding operation conditions for automatic molding operation. Operation mode setting mode image, actual measurement data display mode image to display actual measurement data of many measurement items during automatic molding operation, inspection items are automatically displayed at the time of periodic inspection, and periodic inspection is performed. A periodic inspection mode image for prompting, an alarm mode image for recognizing this when an abnormality occurs, and the like are displayed.

[0003] In this type of injection molding machine,
Each time the mold is replaced, the various operating condition setting mode images are called up, and the molding conditions are sequentially input and set interactively with this display image. By the way, when a known core and a screw removal mechanism are provided in the mold mechanism, in addition to the normal mold opening and closing operation conditions, the operation order of the core and the screw removal mechanism, that is, the mold opening and closing optional operation. Need to be set.

FIG. 6 is a view showing a conventional mold opening / closing option operation setting mode image used for setting the operation order of the core and the screw removing mechanism. As shown in the drawing, in the mold opening process, “middle mold opening (pause operation in the middle of mold opening)”, “return of core 1”, “return of core 2”, and “mold opening” in order from the left of the image. (Mold opening completed) ",
"Screw removal" and "Eject" operation item display columns 51
56 are displayed, and operation order setting columns 61 to 66 corresponding to the columns 51 to 56 are displayed below this column.
In the mold clamping (mold closing) process, in order from the left of the image, “middle mold clamping (temporary stop operation during mold clamping)”, “core 1 entering”, “core 2 entering”, “mold clamping ( Operation item display columns 71-74 are displayed, and the operation order setting columns 81-84 corresponding to the respective columns 71-74 are displayed below this.
Is displayed. Then, in the display state of the mold opening / closing option operation setting mode image shown in FIG. 6, the operator moves the cursor to desired columns of the operation sequence setting columns 61 to 66 and 81 to 84, and inputs the operation sequence number here. Thus, the specification of the mold opening / closing option operation item and the operation order thereof are set.

[0005]

By the way, in the above-mentioned conventional mold opening / closing option operation setting mode image of the injection molding machine, the operation item display columns 51 to 56, 71 to 7 are displayed.
4 and the operation order setting columns 61 to 66, 81 to 84 are fixedly displayed. Therefore, after setting the optional operation order, the specified numerical value of the operation order must be confirmed by eye. However, there is a problem that the operation order is difficult to determine at a glance. Further, even after setting the optional operation order, the operation item display column and the operation order setting column which are not necessary (the operation order is not specified) are also displayed, so that the identification of the operation order can be further improved. There was also the problem of worsening. Further, only one pause operation number (pause position number) during mold opening and one pause operation number (pause position number) during mold closing, and only two cores are prepared. Therefore, when the number of temporary stop positions and the number of cores are required by a complicated mold mechanism, there is also a problem that an optional operation sequence for opening and closing the mold cannot be set.

[0006] The present invention has been made in view of the above points,
The purpose is to easily and surely confirm the optional operation sequence of mold opening and closing, and to set the complicated optional operation sequence with a large number of mold opening and closing pauses and the number of cores. An object of the present invention is to provide a method of setting a mold opening / closing option operation.

[0007]

In order to achieve the above object, the present invention comprises a display device capable of displaying various mode images, and displays a desired operation condition setting mode image on a display screen of the display device. In the setting method of the mold opening and closing option operation in the injection molding machine that enables the setting of the displayed operating conditions in the state where the mold is opened, the mold opening and closing option for setting the optional operation of the mold mechanism attached to the injection molding machine An operation setting mode image is provided, and in the initial display state of the mold opening / closing option operation setting mode image, the number of pause positions during mold opening, the number of pause positions during mold clamping (mold closing), and the number of cores. First, specify the number of items to be used, whether or not to use the screw removal mechanism, and whether or not to use the eject mechanism. The fields are divided into a mold opening process and a mold closing process, and are displayed in a predetermined order. Then, the operation order is set in each of the operation item type columns, and the optional operation order is set. Are automatically rearranged and displayed according to the specified operation order.

[0008]

When setting the mold opening / closing option operation, the operator calls the initial display image of the mold opening / closing option operation setting mode image. Then, in the initial display state of the mold opening / closing option operation setting mode image, the number of pause positions during mold opening, the number of pause positions during mold clamping (mold closing), the number of cores used, and screw removal The microcomputer (system controller) first specifies whether to use the mechanism and whether to use the eject mechanism, and the microcomputer (system controller) selects the number of designated pause positions, the number of cores, whether to use the screw removal mechanism, and whether to use the eject mechanism. The operation item type columns corresponding to the number of items corresponding to the selection of the use of the mechanism are displayed in a predetermined order separately for the mold opening process and the mold closing process. In this state, by inputting the operation order in each operation item type column, the optional operation items and the operation order are set and stored in a predetermined storage area in the microcomputer, and the microcomputer responds to the setting operation. Each operation item type column is automatically rearranged and displayed according to the specified operation order.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a simplified block diagram of a control system of the injection molding machine according to the present embodiment. In FIG. 1, reference numeral 1 denotes a microcomputer (microcomputer) that controls the operation and display of the entire machine (injection molding machine), 2 denotes a sensor group including a large number of sensors provided in each part of the machine,
Reference numeral 3 denotes a driver group composed of a large number of driver circuits for driving and controlling a large number of driving sources provided in various parts of the machine. 4 denotes a key input device provided in a front part of the machine.
Is a display device including, for example, a color CRT display, a color LCD, etc., disposed adjacent to the key input device.

The microcomputer 1 shown in FIG.
Control of the entire molding process such as injection operation, mold opening / closing operation, and eject operation, calculation / storage processing of measured data, determination processing of non-defective / defective products, calculation / determination processing such as abnormality determination processing, or processing of the display device 5 Various processes such as output image display control processing are executed. This microcomputer 1 actually has various I
In the present embodiment, a molding condition setting storage unit 11 and a molding process control unit 12 are used to execute various types of processing by using various programs created in advance. , An actual measured value storage unit 13, a display processing unit 14, a key input processing unit 15,
The following description will be given assuming that the apparatus includes the mold opening / closing option operation setting processing section 16 and the like. The display processing unit 14 includes a data conversion processing unit 17 and a fixed data storage unit 1 for display.
8, a display image data generation unit 19 and the like are provided.

In the molding condition setting storage section 11, various operating condition values input by the key input device 4 via the key input processing section 15 are stored in a rewritable form. The operating condition values include, for example, the tightening force, the relationship between the screw position and the screw rotation speed during the charge stroke, the screw retreat speed, and the back pressure, the suck back control condition, and the holding pressure switching from the injection start point (position). Injection speed condition to the point (position), primary injection pressure condition, holding pressure condition from the holding pressure switching time to the holding pressure end time, band heater temperature of each part, mold closing (mold closing) stroke and speed control condition, Mold clamping force, mold opening stroke and speed control condition, eject control condition, control condition of mold opening / closing option operation sequence, and the like.

The molding process control section 12 is configured to control the sensor group 2 provided in each section of the machine based on a molding process control program created in advance and setting condition values stored in a molding condition setting storage section 11. While referring to measurement information from (position sensors, pressure sensors, temperature sensors, etc.) and time measurement information from a clock incorporated therein, through the driver group 3 (motor drivers, hydraulic cylinder drivers, heater drivers, etc.) The drive of the corresponding drive source is controlled to execute a series of molding steps.

The actually measured value storage unit 13 stores all actually measured data of preset monitor items during continuous automatic operation over a predetermined number of consecutive shots. The monitored items to be captured include a time monitoring item, a position monitoring item, a rotation speed monitoring item, a speed monitoring item, a pressure monitoring item, a temperature monitoring item, a power monitoring item, and the like. Are almost overlapped.

The display processing section 14 displays display image data of a designated display mode based on a display image creation / control program created in advance by a command to call a display image in a mode desired by the operator via the key input device 4. Create That is, when a call instruction of a predetermined display image arrives from the operator, the data conversion processing unit 17 of the display processing unit 14 performs the processing based on the information stored in the molding condition setting storage unit 11 and the measured value storage unit 13 as necessary. Data to be used for displaying the display mode image is extracted, and the data is converted into a form corresponding to the specified display mode of the 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 subjected to line drawing at a predetermined enlargement / reduction ratio, or the designated display mode is a certain display mode. If the image is an operation state setting image of a process, the extracted data is converted into numerical image data. And
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, characters, symbols, graphic figures, ruled line data, etc., which are fixed data for a large number of mode images, which are previously created and stored in the display fixed data storage section 18, are used for displaying the display mode image. The data is extracted,
This is taken into the display image data generation unit 19 and is synthesized as display image data together with the generation processing data of the data conversion processing unit 17. As a result, in the display image data generation unit 19, the image data for the designated display mode is created, and is held in a rewritable manner.
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 transmitted to the display device 5 according to a command from the display processing unit 14. The image data in the predetermined mode is displayed on the display screen of the display device 5. In the display state of the predetermined image, numerical data and the like appropriately input from the key input device 4 via the key input processing unit 15 are taken into the data conversion processing unit 17 and converted into numerical image data and the like. It is synthesized as a part of the display image data.

The mold opening / closing option operation setting processing section 16
Is responsible for setting the operation sequence of the mold opening / closing option operation, and the operator operates the key input processing unit 1 from the key input device 4.
The optional operation items and the operation order instructed via the processing unit 5 are transferred to the molding condition setting storage unit 11 after performing appropriate conversion processing as necessary, and the optional operation items are stored in a predetermined storage area of the molding condition setting storage unit 11. The item data and the operation order data are stored. The mold opening / closing option operation setting processing section 16 also transfers the operator's instructions to the display processing section 14 and causes the display processing section 14 to change the contents of the mold opening / closing option operation setting mode image as needed. The mold opening / closing option operation setting processing section 16 includes:
The number of pause positions during mold opening, the number of pause positions during mold closing (mold closing), and the tolerance data table for the number of cores used are built in, and the number of these items specified by the operator Is a value outside the contents of the above table, a warning sound is generated by the warning sound generation function unit of the microcomputer 1 to make the operator aware of this, and a display process is performed so that the input value of the operator is not displayed. Part 14
The control signal is sent to the Here, in this embodiment, the number of items provided in the allowable range data table of the mold opening / closing option operation setting processing section 16 is, for example, as follows. Number of mold opening positions (pause stop position during mold opening): 0 to 4 Number of mold clamping positions (pause position during mold closing): 0 to 4 Number of cores used: 0 to 4 The temporary stop position and the number of cores are not limited to the above example, and it is obvious to those skilled in the art that more numbers can be prepared.

FIG. 2 is a diagram showing an initial display mode of a mold opening / closing option operation setting mode image called by a predetermined key operation of the key input device 4 by the operator. In the figure, the setting column 2 of “the number of the mold opening halfway” is shown at the upper left.
1, a setting column 22 for the “number of mold clamping positions”, a setting column 23 for the “number of cores used”, a setting column 24 for using or not using a “screw removal” mechanism, and a setting column 24 for using or not using an “eject” mechanism. In the setting column 25, as shown in the figure, in the initial mold opening / closing option operation setting mode image, the setting columns 21 to 24 are blank, and the setting column 25 is “〇 (presence)”. In the same area as each of the setting fields 21 to 25, a setting field 26 for “number of used air” is provided, and the setting field 26 is used to release the molded product from the mold. The number of air supply means used for setting the air supply means can be set in the setting area 27 of the "operating condition of each blown air means" at the upper right of FIG. Nevertheless, since the blown air can be set irrespective of the order of the mold opening / closing option operation targeted by the present invention, further description is omitted here. In FIG. 2, reference numeral 28 denotes a display area of “mold opening stroke order setting” for indicating the flow of the mold opening stroke from right to left, and reference numeral 29 denotes a display area of the mold closing stroke in order from left to right. In the initial mold opening / closing option operation setting mode image in the display area of “mold closing stroke order setting”, the display area 28 includes an operation item type column 30 of “eject” and an operation item of “mold opening completed”. A type column 33 is displayed, and a display area 29 displays an operation item type column 36 of “mold clamping completed”. In this embodiment, since the eject operation is used in the normal mold opening / closing operation, the operation item type column 30 of “Eject” is displayed in the initial mold opening / closing option operation setting mode image. In this state, if the setting column 25 of the use / non-use of the “eject” mechanism is set to “× (none)”, the operation item type column 30 of “eject” is deleted from the display area 28 of “mold opening stroke order setting”. Is done.

In the above-described initial mold opening / closing option operation setting mode image display state, the operator can determine the number of pause positions during mold opening, the number of pause positions during mold clamping (mold closing), and the core. When the cursor is moved to each of the setting fields 21 to 25 and the numerical value or 〇, × is input, the mold opening / closing is designated. The option operation setting processing unit 16 identifies this, gives an instruction corresponding to the instruction content of the operator to the display processing unit 14, and responds to the number of designated pause positions, the number of cores, and the selection of use. The number of each operation item type column is changed to the display area 28 of “Mold opening stroke order setting” and “Mold closing stroke order setting”.
Are displayed in the display area 29 in a predetermined order. FIG. 3 shows “4” in the setting column 21 of “the number of mold opening positions”,
“4” is set in the setting column 22 of “the number of mold clamping positions”, “4” is set in the setting column 23 of “the number of cores used”, and “4” is set in the setting column 24 of whether or not the “screw removal” mechanism is used. “〇” indicates the display state of the mold opening / closing option operation setting mode image when “〇” is selected in the setting field 25 of the use / non-use of the “eject” mechanism, that is, when the maximum number of items is selected. . In this state, in the display area 28 of the “mold opening stroke order setting”, from left to right, an operation item type column 30 of “Eject”, an operation item type column 31 of “Screw removal”, and a “core 4 return” -Operation item type column 32D-31 of "Return of core 1"
A, the operation item type column 33 of “mold opening completed”, “midway 4” to
The operation item type fields 34D-34A (34C-
34A does not appear on the display screen of FIG. 3, but this appears by a scroll operation), and the display area 29 of “Mold Clamping Order Order Setting” is displayed from left to right, “Middle 1” to The operation item type columns 35A to 35D of “middle 4”,
The operation item type column 36 for “clamping completed”, “with core 1” to
The operation item type fields 37A to 37D of “Enter core 4” (37D
Does not appear on the display screen of FIG. 3, but this appears by a scroll operation).

FIG. 4 shows a setting column 2 for “number of mold opening positions”.
1, "2" in the setting column 22 of the "number of mold clamping positions", "2" in the setting column 23 of the "number of cores used",
“×” is set in the setting column 24 of whether or not the “screw removal” mechanism is used, and the setting column 2 of whether or not the “eject” mechanism is used.
5 shows a display state of a mold opening / closing option operation setting mode image when “〇” is selected in 5. In the display state of FIG. 4, for example, the operator moves the cursor to the order designation portion of the operation item type field 32B of "core 2 return" in the display area 28 of "mold opening stroke order setting", and moves the cursor to "1" here. Is input, the mold opening / closing option operation setting processing unit 16 recognizes this, and the display processing unit 14 causes the “core 2
The operation item type column 32B of “Return” is set to 1 in the rightmost mold opening stroke.
In addition to moving to the second operation order position, the mold opening option operation storage area of the molding condition setting storage unit 11
Information that the first of the mold opening option operations is “core 2 return” is stored. Hereinafter, in the same manner, the numerical values of "2" to "6" are sequentially inputted to the order designation portions of the other operation item type columns in the display area 28 of "mold opening stroke order setting", so that the mold opening is performed. The order of the optional operations is stored in the molding condition setting storage unit 11, and the respective operation item type columns in the display area 28 of "mold opening stroke order setting" are rearranged from right to left according to the operation order. Also, by inputting numerical values of “1” to “4” sequentially into the order designation portion of each operation item type column in the display area 29 of “clamping stroke order setting” in exactly the same manner, the mold clamping option The order of the operations is stored in the molding condition setting storage unit 11, and the respective operation item type columns in the display area 29 of "Molding process order setting" are rearranged from left to right according to the operation order. In addition, a numerical value exceeding the maximum number of items displayed in the display area 28 of “Mold opening stroke order setting” or the display area 29 of “Mold closing stroke order setting” is input to the order designation part of the operation item type column. In this case, the mold opening / closing option operation setting processing unit 16 generates a warning sound by the warning sound generation function unit of the microcomputer 1 to make the operator recognize this, and also displays the processing so as not to display the input value of the operator. 14 is transmitted.

FIG. 5 shows an example of a state in which the setting of the operation order is completed according to FIG. 4, and in the state shown in FIG.
In the display area 28 of “Mold opening stroke order setting”, from right to left, “core 2 return”, “middle 2”, “core 1
The operation item type columns of “return”, “middle 1”, “mold opening completed”, and “eject” are displayed, indicating that the order of the mold opening option operation has been set in this order. "1" to "6" from right to left in the order designation part of the type column
Is displayed. Also, `` Mold clamping process sequence setting ''
Are displayed in the display area 29 from left to right in the order of operation, each operation item type column of "core 2 entering", "middle 1", "core 1 entering", and "clamp completion". Indicates that the order of the mold clamping option operation has been set, and the order designation portion of each operation item type column has "1" to
The numerical value of “4” is displayed.

In this way, only the operation items used in the mold opening / closing option operation are displayed in the display area 28 of “Mold opening stroke order setting” and the display area 29 of “Mold closing stroke order setting”. , The visibility is increased, and the operation order can be easily and reliably confirmed.

[0021]

As described above, according to the present invention, it is easy and reliable to confirm the optional operation sequence of the mold opening and closing, and the complicated optional operation sequence having a large number of mold opening and closing pauses and a large number of cores. A method of setting a mold opening / closing option operation of an injection molding machine that can be set can be provided, and its value is great.

[Brief description of the drawings]

FIG. 1 is a simplified block diagram of a control system of an injection molding machine according to one embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an example of an initial display mode of a mold opening / closing option operation setting mode image according to an embodiment of the present invention.

FIG. 3 is an explanatory diagram showing an example of a display mode of a mold opening / closing option operation setting mode image after an operation item is selected according to an embodiment of the present invention.

FIG. 4 is an explanatory diagram showing another example of a display mode of a mold opening / closing option operation setting mode image after an operation item is selected according to an embodiment of the present invention.

FIG. 5 is an explanatory diagram showing an example of a display form of a mold opening / closing option operation setting mode image after an operation order is selected according to an embodiment of the present invention.

FIG. 6 is an explanatory diagram showing a display form of a conventional mold opening / closing option operation setting mode image.

[Explanation of symbols]

 Reference Signs List 1 microcomputer (microcomputer) 2 sensor group 3 driver group 4 key input device 5 display device 11 molding condition setting storage unit 12 molding process control unit 13 measured value storage unit 14 display processing unit 15 key input processing unit 16 mold opening / closing option operation setting Processing unit

Claims (1)

(57) [Claims] 1. A display device capable of displaying various mode images is provided, and the displayed operating conditions can be set while a desired operating condition setting mode image is displayed on a display screen of the display device. In the injection molding machine, a mold opening / closing option operation setting mode image for setting an optional operation of the mold mechanism attached to the injection molding machine is provided, and in the initial display state of the mold opening / closing option operation setting image, the mold is opened. First, specify the number of temporary stop positions in the middle, the number of temporary stop positions in the middle of mold clamping (mold closing), the number of cores used, whether or not the screw removal mechanism is used, and whether or not the eject mechanism is used. The operation item type columns of only the specified number and the number of items corresponding to use are divided into a mold opening process and a mold closing process and displayed in a predetermined order,
Next, the operation order is set by inputting the operation order in each of the operation item type fields, and
A method for setting a mold opening / closing option operation of an injection molding machine, wherein the operation item type columns are automatically rearranged and displayed according to a specified operation order.