JPH0767724B2 - Control device of injection molding machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to a control device for an injection molding machine.

(Prior Art) Conventionally, an operator of an injection molding apparatus sets a molding condition by repeating trial and error every time the mold is replaced, and it takes time to prepare for start-up and requires an advanced molding technique. 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.

(Problems to be Solved by the Invention) However, the electronic control device for the injection molding machine has the following problems.

In other words, in the conventional control device, only the previous operating condition setting values are stored, and for example, for each mold that is not defined in the control device of the molding machine, other than the following operating conditions that the operator wants to know. Data, (1) Type of molding material used.

(2) Material consumption per unit time.

(3) Material drying temperature and time.

(4) Name of molded product.

(5) Code number of molded product.

(6) Individual mold history and molding know-how, such as the fact that a specific part of a multi-cavity mold tends to remain in the cavities and the sink marks of molded products.

(7) Other information specific to each mold.

Can't remember. Therefore, in the past, operators had to take notes in a notebook or fill out a management card to deal with it.
There is a problem that the search is complicated and takes time.

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.

(Means for Solving the Problems) In order to solve the above problems, the present invention has the following configuration.

That is, it has an input device equipped with keys for inputting molding data and function selection of the injection molding machine, and a display device for displaying the 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 data. Information based on the data can be displayed on the screen, in which case the entire screen is displayed as a dedicated memo screen for displaying information based on the memo data, and the memo data entered through the keys or the memo It is characterized in that a storage means for storing information based on data is provided.

(Function) Since the memo data for each mold other than the operating conditions of the injection molding machine can be input and stored as characters through the keys for inputting molding data and function selection of the injection molding machine,
Since the memo data, which cannot be expressed by numerical data, can be expressed by characters on the display device, the operator can set the molding machine to the optimum molding condition while looking at the display.

(Examples) Hereinafter, preferred examples of the present invention will 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.

10 is a CRT which is a display device and a controller which is a CPU
Connected to 12. The display device 10 may be a plasma display, an EL display, a liquid crystal display, or the like, in addition to the CRT.

14 is a setting panel, which is a numeric input key which is an input device,
The controller is provided with a function selection key and the like.
Connected to 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 an interface 18.

Reference numeral 20 denotes an IC card which is a storage means and is provided for each mold. RAM (EPROM included in this IC card 20
Alternatively, EEPROM can be used), the molding machine operating conditions of the corresponding mold, and the type of molding material used, which is memo data,
It stores material consumption per unit time, material drying temperature / time, molded product name, molded product code number, die history and molding know-how, and other necessary items.

Next, the setting panel 14 will be described with reference to FIG.

Reference numeral 22 is an operation selection key included in the function selection key, and 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.

Reference numeral 24 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. 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 always displayed on the display devices 28 ... Of the setting panel 14, first, the item selection key 30 ... Is pressed to specify the item. Next, the numeric keypad 24 is used to input the numerical value to be set, and the ENT (ENTER) key 32 completes the input, and the item is set.

To set items other than the items that are always displayed, select the screen
A predetermined item is displayed on the display device 10 by 26, and a numeric value is input by, for example, a cursor key and a ten key 24 (not shown), and is set by the ENT key 32. Note that 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, and are written in the RAM in the IC card 20 by the key-in of the write key 36, and are also displayed in 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. It At that time, the shift conversion program and the Romaji-Kana conversion program, which are the shift means stored in the ROM built in the controller 12, are activated. When the shift conversion program starts, the operation selection key 22, screen selection key 26, and item selection key 30
・ ・ Serves as a Roman character input key, and uppercase letters can be entered. The alphabet is shown small on the key head of each key (eg F1 → A, F2 → B, ejector → C, back pressure → D, VX → X, etc.). So "F1",
When you press the keys "Mold open / close", "TM1", "Pressure change", "Memo screen", the characters "AIUEO" are input to the controller 12 and Katakana is displayed on the display device 10 by the Roman-Kana conversion program. Will be displayed as "Aiueo". Therefore, data other than the operating conditions for each mold,
After entering the information as a character string, press the ENT key 32 to set it. Then, the contents displayed on this memo screen are stored in the RAM in the controller 12, and by the key-in of the write key 36, I
Written to RAM of C card 20. In the above example, the characters that were input in Roman characters were converted to Kana by the Roman character-Kana conversion program, but as they are, Roman characters (or English)
May be displayed, or it may be displayed in hiragana. For example, while looking at the display device 10 and entering the 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), press the ENT key 32. The controller 12 writes the same content as the memo screen of the display device 10 in a predetermined area, and the key-in of the write key 36 also writes the same content in the RAM in the IC card 20 in the predetermined area. Then, when using the same mold, the IC card 20 corresponding to the mold is hung on the connection device 16, and when the memo screen call key 34 is pressed, the contents stored in the IC card 20 are loaded into the RAM of the controller 12. The same memo screen as the screen of FIG. 1 is displayed on the entire screen of the display device 10. Therefore, the operator should 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-mentioned embodiment, the IC card was used as the storage means because of its expandability and easy handling, but it may be a semiconductor memory or magnetic memory provided for each mold, or a RAM or disk built in the controller. The designated area 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.

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.

(Effects of the Invention) When the control device for an injection molding machine according to the present invention is used, the history and molding know-how that are different for each mold can be used without using an inconvenient notebook or management card. Since it can be displayed and stored correspondingly, there is no mistake in reading and management is easy. In particular, when the display device displays memo data or information based on the memo data on the screen, the entire screen of the display device serves as a memo screen, so that it becomes possible to display a large amount of memo data, and increase the data amount and memo data. It is possible to input and read in quickly and reliably. 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 view showing a system configuration of a control device for an injection molding machine according to the present invention, and FIG. 2 is a front view showing a setting panel. 10 …… Display device, 12 …… Controller, 14 …… Setting panel, 16 …… Connecting device, 20 …… IC card, 22 …… Operation selection key, 24 …… Ten key, 26 …… Screen selection key, 30… … Item selection key, 34 …… Memo screen call key.

Front page continued (72) Inventor Mitsuo Suzuki 2110 Nanjo, Nanjo, Osaka, Hanashina-gun, Hanashina-gun, Nissei Jushi Kogyo Co., Ltd. (56) References Computer Systems as Seen from Series Patents "(Incorporated Association of Inventions, March 31, 1981) pages 10-12

Claims (3)

[Claims] 1. An input device having a key for inputting molding data and a function selection of an injection molding machine, and a display device for displaying molding data input through 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, information based on the memo data can be displayed on the screen, in which case the entire screen is displayed as a memo data or a dedicated memo screen for displaying the information based on the memo data, and characters are input via the keys. A control device for an injection molding machine, comprising: a storage unit for storing the memo data or information based on the memo data. 2. The control device for an injection molding machine according to claim 1, wherein the input device has shift means for changing the key for inputting characters. 3. The input device is provided with a memo screen call key for displaying the memo screen, and the shift means operates when the memo screen call key is keyed in. Of injection molding machine.