JPH07164502A - Control device of injection molding machine - Google Patents

Abstract

PURPOSE:To provide a compact control device of an injection molding machine capable of displaying and storing data at every mold other than the operation conditions of the injection molding machine. CONSTITUTION:An input device 14 is equipped with a key inputting molding data or the functional selection of an injection molding machine and the input of a character is possible through the key. A display device 10 can display the molding data inputted through the input device 14, the data based on the molding data, memo data being data at every mold other than the operation conditions of the injection molding machine or the data based on the memory data. A memory means 20 stores the memo data inputted as a character through the key or the data based on the memo data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for an injection molding machine.

[0002]

2. Description of the Related Art Conventionally, an operator of an injection molding apparatus repeats trial and error to set molding conditions every time a mold is replaced, and it takes time to prepare for start-up and requires advanced molding technology. there were. Therefore, in order to solve these problems, an electronic control device for an injection molding machine was developed. This control device converts the operating condition setting value of the previous injection molding machine into numerical data and stores it in an external memory provided for each mold, and stores the data at the time of the next molding using the mold. It is to instantly set the operating conditions suitable for the read die.

[0003]

However, the electronic control unit for the above injection molding machine has the following problems. In other words, in the conventional control device, only the previous operating condition set value is stored, and for example, the operating conditions set by the operator other than the following operating conditions that are not defined in the control device of the molding machine are set for each mold. (1) type of molding material used, (2) material consumption per unit time, (3) material drying temperature, time, (4) molding name, (5)
The code number of the molded product, (6) It is easy for a specific part of a multi-cavity mold to remain in the cavity, the sink mark of the molded product, the history and molding know-how of each mold, (7) Other, individual Information unique to the mold cannot be stored.

Therefore, in the past, the operator had to take notes in a notebook or fill in a management card to deal with it. However, there is a problem that it is misread or lost, and management and retrieval are complicated and time consuming. There is. Therefore, it was attempted to automatically set the material-related data by another control computer system linked to the injection molding machine and the automatic material supply system, but the system scale became large and the equipment cost increased and the equipment cost increased. There is a problem of becoming big and uneconomical, and solving these problems is an issue. Therefore, an object of the present invention is to provide a compact controller for an injection molding machine, which can display and store data for each mold other than the operating conditions of the injection molding machine.

[0005]

In order to solve the above problems, the present invention has the following constitution. That is, it has an input device equipped with keys for inputting molding data and function selection of an injection molding machine, and a display device for displaying molding data input via the input device or information based on the molding data. In the control device of the injection molding machine, the input device is capable of inputting characters through the keys, and the display device is memo data that is data for each mold other than operating conditions of the injection molding machine or the memo. It is characterized in that information based on the data can be displayed, and a storage unit is provided for storing the memo data which is character-input through the key or the information based on the memo data. Further, in the above control device, the input device may be provided with shift means for changing the key for character input. Further, the memo data for each mold can be displayed on the display device as one independent memo screen, and the input device is provided with a memo screen call key for displaying the memo screen.
The shift means may be activated when the memo screen call key is keyed in.

[0006]

[Operation] The operation will be described. The memo data for each mold other than the operating conditions of the injection molding machine can be input and stored as characters via the keys for inputting molding data and function selection of the injection molding machine. Since the memo data that could not be expressed with can be expressed with characters, the operator can set the molding machine to the optimum molding conditions while looking at the display.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 1 shows a system diagram of an injection molding machine according to the present invention. Reference numeral 10 is a CRT which is a display device and is connected to a controller 12 which is a CPU. The display device 10 may be a CRT, a plasma display, an EL display, a liquid crystal display, or the like. Reference numeral 14 denotes a setting panel, which is provided with numerical input keys, function selection keys, etc., which are input devices, and is connected to the controller 12. Reference numeral 16 is a connection device for an IC card which is an input / output device. The connection device 16 is connected to the controller 12 via the interface 18.
Connected to. Reference numeral 20 denotes an IC card which is a storage means and is provided for each mold. This IC card 20
The built-in RAM (EPROM or EEPROM may be used) corresponds to the molding machine operating conditions of the mold, the type of molding material used as memo data, material consumption per unit time, material drying temperature / time , The name of the molded product, the code number of the molded product, the history of the mold, the molding know-how, and other necessary items are stored.

Next, the setting panel 14 will be described with reference to FIG. Reference numeral 22 denotes an operation selection key included in the function selection key, which is a key for selecting a function for various operations such as use / non-use of an ejector and use / non-use of screw back pressure. Two
Reference numeral 4 is a numeric keypad which is a numerical input key. A screen selection key 26 is included in the function selection keys, and is a key for selecting a screen to be displayed on the display device 10. 28.
.. is a display composed of a 7-segment LED for displaying each item value of molding data, which is desired to be constantly displayed, such as a timer, measurement, injection speed, and injection pressure. In addition, 30
... are item selection keys. Next, a method of using the control device of the injection molding machine having the system configured as described above will be described. In order to set the items to be displayed at all times by the respective display devices 28 of the setting panel 14, first, the item selection key 3
Press 0 ... to specify the item. Then the numeric keypad 24
Enter the value to be set with and press the ENT (ENTER) key 32
Input is completed with and the item is set.

To set the items other than the always displayed items,
A predetermined item is displayed on the display device 10 by the screen selection key 26, and, for example, a cursor key and a ten key 24 (not shown) are displayed.
Input the numerical value with and set with the ENT key 32. The set values of the set constant display items and the items other than the constant display items are stored in the RAM in the controller 12, are written in the RAM in the IC card 20 by key-in of the write key 36, and are displayed on the display device 10. Is displayed. Here, when the memo data for each mold other than the operating conditions of the injection molding apparatus or information based on the memo data is input, the memo screen call key 34 of the screen selection keys 26 is pressed.

Then, if nothing is written in the corresponding area of the RAM of the IC card 20, the entire screen of the display device 10 is used as a dedicated memo screen for displaying memo data or information based on the memo data, and a blank memo screen is displayed. Is displayed. At that time, the ROM built in the controller 12
The shift conversion program and the Romaji-Kana conversion program, which are the shift means stored in, are activated. When the shift conversion program is activated, the operation selection key 22, the screen selection key 26, the item selection key 30, ... Become roman character input keys, and the uppercase alphabet can be input.

The alphabet is shown small on the key head of each key (example: A for F1, B for F2, C for ejector, D for back pressure, X for VX, etc.). So "F1",
"Mold open / close", "TM1", "pressure switching", "memo screen"
When the key is pressed, the controller 12 displays “AIUE
The character "O" is input and the Roman character-kana conversion program causes the display device 10 to be displayed in katakana "aiueo".
Is displayed. Therefore, after inputting data and information other than the operating conditions for each mold as a character string as described above, the ENT key 32 is pressed to set. Then, the content displayed on the memo screen is stored in the RAM in the controller 12, and is written in the RAM of the IC card 20 by key-in of the write key 36. In the above example, the characters input in Roman characters are converted into Kana by the Roman character-Kana conversion program, but they may be displayed as they are in Roman characters (or English) or in Hiragana.

For example, while looking at the display device 10 and inputting know-how information such as "Kabi 4 Nokoria Sui, Shoujuushi POM Shiro, Seihin Code 12345, Seihinmei Guide Roller" on the memo screen (see FIG. 1), the ENT key 32 is pressed. Then, the controller 12 writes the same contents as the memo screen of the display device 10 in a predetermined area, and by the key-in of the write key 36, the IC card 20
The same contents are also written in a predetermined area in the internal RAM. Then, when the same die is used, the IC card 20 corresponding to the die is applied to the connection device 16 and the memo screen call key 34 is pressed to load the contents stored in the IC card 20 into the RAM of the controller 12. , Display device 1
The same memo screen as the screen of FIG. 1 is displayed on the entire screen of 0. Therefore, the operator must be careful that the cavity easily remains in the fourth cavity, that the resin used is white POM, that the product code is 12345, and that the product name is the guide roller. I understand.

In the above embodiment, the IC card is used as the storage means because of its expandability and easy handling, but it may be a semiconductor memory or a magnetic memory provided for each mold,
Further, a RAM or a designated area built in the controller may be designated for each mold and used as a storage unit.
A dedicated character input key provided separately may be used as a character input key, or a character group displayed on the screen may be selected by a cursor or a light pen or a touch panel to input.

In this embodiment, when the display device 10 displays memo data or information based on the memo data on the screen, the entire screen of the display device 10 is used as a memo screen, so that a large amount of memo data can be displayed. There is also an advantage that the amount of data can be increased and the input and reading of memo data and the like can be performed quickly and reliably. Even when the entire screen of the display device 10 is a memo screen, a part of the screen is returned to the previous state, for example.
Even if the key operation information for changing is displayed, the merit of being able to handle a large amount of memo data can be utilized. Although various preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and it goes without saying that many modifications can be made without departing from the spirit of the invention. is there.

[0015]

EFFECTS OF THE INVENTION By using the control device for an injection molding machine according to the present invention, the history and molding know-how which are different for each mold can be used for the mold without using inconvenient notes and management cards. Since it can be displayed and stored correspondingly, there is no mistake in reading and management is easy. Further, character input and storage in the storage means, which were impossible in the past, can be performed through keys for inputting molding data and function selection of the injection molding machine, which are provided in the input device that is also provided in the conventional control device. Since it is possible, the operator can easily use it. Furthermore, since it is not necessary to link with another computer system, it is compact and economical, and so on.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a system configuration of a control device for an injection molding machine according to the present invention.

FIG. 2 is a front view showing a setting panel.

[Explanation of symbols]

 10 Display Device 12 Controller 14 Setting Panel 16 Connection Device 20 IC Card 22 Operation Selection Key 24 Numeric Keypad 26 Screen Selection Key 30 Item Selection Key 34 Memo Screen Call Key

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[Procedure amendment]

[Submission date] January 26, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

[0011] alphabet is shown smaller in the key head of each key (eg: F1 is A, F2 of B, the ejector C, back pressure D, V S is X, etc.). So "F1",
"Mold open / close", "TM1", "pressure switching", "memo screen"
When the key is pressed, the controller 12 displays “AIUE
The character "O" is input and the Roman character-kana conversion program causes the display device 10 to be displayed in katakana "aiueo".
Is displayed. Therefore, after inputting data and information other than the operating conditions for each mold as a character string as described above, the ENT key 32 is pressed to set. Then, the content displayed on the memo screen is stored in the RAM in the controller 12, and is written in the RAM of the IC card 20 by key-in of the write key 36. In the above example, the characters input in Roman characters are converted to Kana by the Roman character-Kana conversion program, but they may be displayed as they are in Roman characters (or English) or in Hiragana.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

[0015]

With the control apparatus for an injection molding machine according to the present invention, corresponding to use mold yl history and molding expertise for each metal molds without using Handling inconvenient notes and management card, such as Since the data can be displayed and stored, there is no mistake in reading and management is easy. Further, character input and storage in the storage means, which were impossible in the past, can be performed through keys for inputting molding data and function selection of the injection molding machine, which are provided in the input device that is also provided in the conventional control device. Since it is possible, the operator can easily use it. Furthermore, since it is not necessary to link with another computer system, it is compact and economical, and so on.

Claims (3)

[Claims] 1. An input device having keys for inputting molding data and function selection of an injection molding machine, and a display device for displaying molding data input via the input device or information based on the molding data. In the control device of the injection molding machine having, the input device is capable of inputting characters through the key, and the display device is memo data that is data for each mold other than operating conditions of the injection molding machine. Alternatively, it is possible to display information based on the memo data, and a storage unit is provided for storing memo data that is character-input through the key or information based on the memo data. Control device. 2. The control device for an injection molding machine according to claim 1, wherein the input device has a shift means for changing the key to input characters. 3. The memo data for each die is independent 1
A memo screen that can be displayed on the display device, the input device is provided with a memo screen call key for displaying the memo screen, and the shift means is activated when the memo screen call key is keyed in. The control device for an injection molding machine according to claim 2.