JP2004330745A - Injection molding machine system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve a convenient injection molding machine system which displays information on temperature control around a heating cylinder, the temperature control being conducted on the injection molding machine side, and information on temperature control of a mold, the temperature control being conducted on the mold temperature adjusting apparatus side, on one screen. <P>SOLUTION: In the injection molding machine system comprising an injection molding machine and a mold temperature adjusting apparatus, the injection molding machine controller of the injection molding machine incorporates predetermined data from a temperature adjusting apparatus controller of the mold temperature adjusting apparatus, and displays a symbol figure of each portion around the heating cylinder, a measured temperature of each portion around the heating cylinder, a symbol figure of each portion of the mold and a measured temperature of each portion of the mold collectively on one screen. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an injection molding machine system including an injection molding machine and a mold temperature controller for controlling the temperature of each part of a mold of the injection molding machine.
[0002]
[Prior art]
The injection molding machine is provided with a mold temperature controller for controlling the temperature of the mold of the injection molding machine, and the mold temperature controller circulates a mold pipe provided in the mold. The temperature of the temperature control medium is controlled by turning on / off a heater for heating the temperature control medium, and the flow of cooling water for cooling the temperature control medium is turned on / off (by opening / closing a cooling water opening / closing valve). (On / off) cooling control. Such a mold temperature controller is a control system independent of the injection molding machine, and the setting of the mold temperature (setting of the temperature of the temperature control medium) is performed by the display device on the mold temperature controller side. The input device is used, and the display of the measured temperature of the mold is also performed on the display device of the mold temperature controller.
[0003]
In addition, also in the conventional injection molding machine system, the injection molding machine and the mold temperature controller are connected via the respective communication units, so that data can be mutually exchanged.
[0004]
[Problems to be solved by the invention]
In the conventional injection molding machine system, the injection molding machine receives the display screen data of the set value and the measured value of the mold temperature from the mold temperature controller and can display it on the display device of the injection molding machine However, since this is a screen dedicated to the mold temperature controller, it is a display screen relating only to mold temperature control.
[0005]
By the way, when looking at the entire injection molding machine system, neither information on the temperature control around the heating cylinder, which is temperature-controlled on the injection molding machine side, nor information on the temperature control of the mold, the temperature of which is controlled on the mold temperature controller side, Both are information related to temperature control, and it has been desired in the market to unify and display the information together in terms of ease of temperature monitoring and ease of temperature setting / change operation.
[0006]
SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and its object is to provide information on temperature control around a heating cylinder whose temperature is controlled on an injection molding machine side and a mold whose temperature is controlled on a mold temperature controller side. An object of the present invention is to realize an easy-to-use injection molding machine system which displays information on mold temperature control on one screen.
[0007]
[Means for Solving the Problems]
The present invention, in order to achieve the above-described object, an injection molding machine, and an injection molding machine system including a mold temperature controller that controls the temperature of each part of a mold of the injection molding machine,
The molding machine controller device of the injection molding machine has communication means for communicating with communication means of the temperature controller controller device of the mold temperature controller, temperature control means for controlling the temperature of each part around the heating cylinder of the injection molding machine, Temperature measured value storage means for taking in the measured temperature from a temperature sensor for measuring the temperature of each part around the heating cylinder of the injection molding machine, and display data of the display device of the injection molding machine are generated and displayed on the display device. Display control means,
The molding machine controller fetches predetermined data from the temperature controller controller, and displays the symbol figure of each part around the heating cylinder and the actual measurement of each part around the heating cylinder on the display by the display control means. The temperature, the symbol figure of each part of the mold, and the measured temperature of each part of the mold are displayed together on one screen.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0009]
FIG. 1 is a block diagram showing a configuration of a main part of an injection molding machine system according to one embodiment of the present invention (hereinafter, referred to as the present embodiment). In FIG. 1, reference numeral 1 denotes a molding machine controller of the injection molding machine. Device 2, an input device of the injection molding machine connected to the molding machine controller 1, 3 is a display device of the injection molding machine connected to the molding machine controller 1, 21 is a temperature controller of the mold temperature controller. A device 22 is an input device of the mold temperature controller connected to the temperature controller controller device 21, and a reference numeral 23 is a display device of the mold temperature controller connected to the temperature controller controller device 21. Note that a part of the input device 2 includes a touch panel integrated with the display device 3, and a part of the input device 22 includes a touch panel integrated with the display device 23.
[0010]
The molding machine controller 1 controls various operations of the injection molding machine, determines good / bad for each shot, performs statistical calculation processing of various actually measured operation data, and controls display. The configuration mainly related to temperature control is illustrated.
[0011]
In the above-described molding machine controller 1, reference numeral 4 denotes a main control unit which controls the overall control of the entire injection molding machine system including the injection molding machine, 5 denotes a communication unit which communicates with the temperature controller controller 21, and 6 denotes temperature control. A temperature set value storage unit that rewritably stores a set temperature of each unit around the target heating cylinder, 7 is a temperature measured value storage unit that stores the measured temperature of each unit around the heating cylinder to be temperature controlled, and 8 is A temperature control unit for outputting a signal for individually controlling the temperature of each unit to be temperature controlled with reference to the set temperature value in the temperature set value storage unit 6 and the measured temperature value in the measured temperature value storage unit 7. The unit 9 is a display control unit that generates display data and causes the display device 3 to perform screen display.
[0012]
In the present embodiment, each part around the heating cylinder for which the temperature control unit 8 performs temperature control includes a nozzle at the tip of the heating cylinder, five zones from the tip of the heating cylinder to the root, and seven zones below the hopper at the root of the heating cylinder. A temperature sensor group 10 for measuring the temperature of each of these seven parts is provided, and the outputs of the temperature sensors 10a to 10g of the temperature sensor group 10 are stored in a temperature measured value storage unit. 7 to be stored.
[0013]
In addition, band heaters (not shown) for heating these six parts are wound around the nozzle at the tip of the heating cylinder and the five zones from the tip of the heating cylinder to the root. A heater driver group 11 for independently driving and controlling the band heaters is connected to the temperature control unit 8. Each of the heater drivers 11a to 11f of the heater driver group 11 is independently driven and controlled by PID control by the temperature control unit 8, whereby the nozzle at the tip of the heating cylinder and the tip from the tip of the heating cylinder to the root are controlled. Are controlled so that the temperatures of the five zones (temperatures of the six sites) coincide with the set temperature values, respectively.
[0014]
A cooling water pipe for circulating cooling water for cooling this part is provided below the hopper at the base of the heating cylinder, and the cooling water circulation to the cooling water pipe is controlled on / off. A valve driver 12 for driving and controlling an open / close valve (not shown) is connected to the temperature control unit 8. When the temperature of the valve driver 12 is controlled by the temperature control unit 8, the temperature of a portion below the hopper at the base of the heating cylinder is controlled to be equal to the set temperature value.
[0015]
The temperature controller controller device 21 controls each part in the mold by controlling the temperature of a temperature control medium that circulates through a mold pipe provided in each part in the mold.
[0016]
In the temperature controller controller 21, reference numeral 24 denotes a main control unit that controls the overall control of the mold temperature controller, reference numeral 25 denotes a communication unit that communicates with the molding machine controller 1, and reference numeral 26 denotes a mold to be subjected to temperature control. A temperature set value storage unit for rewritably storing set temperatures of respective parts of the mold, a temperature measured value storage unit for storing measured temperatures of respective parts of a mold to be temperature controlled, and a temperature set value storage unit for 28 A temperature control unit that outputs a signal for individually controlling the temperature of each unit to be temperature controlled with reference to the set temperature value of the temperature control unit and the measured temperature value of the temperature measured value storage unit 27. It is a display control unit that generates and causes the display device 23 to display a screen.
[0017]
In the present embodiment, each part of the mold for which the temperature control unit 28 performs temperature control includes three parts: a fixed-side mold, a sprue / punch unit, and a fixed-side mold. Are provided, and the outputs of the temperature sensors 30a to 30c of the temperature sensor group 30 are taken in and stored in the temperature measured value storage unit 27.
[0018]
Although not shown, a temperature control medium for heating / cooling the three portions independently circulates in three portions of the fixed side mold, the sprue / punch portion, and the fixed side mold. A mold pipe is provided, and three heaters for independently heating the temperature control media circulating through the three system mold pipes and the three temperature control media are independently cooled. Opening / closing valves are provided to turn on / off the flow of cooling water. Heater drivers 31a to 31c for driving and controlling the three systems of heaters and valve drivers 32a to 32c for driving and controlling the three systems of opening and closing valves are connected to the temperature control unit 28, respectively. The temperature control unit 28 independently drives and controls the temperature control units 31a to 31c by PID control, and the temperature control unit 28 independently drives and controls the valve drivers 32a to 32c of each system. Are controlled so that the temperatures of the temperature control media coincide with the set temperature values.
[0019]
In the injection molding machine system according to the present embodiment, the molding machine controller 1 communicates with the communication units 5 and 25 to transmit the set temperature data of each part of the mold and the actual measurement of each part of the mold from the temperature controller controller 21. The temperature data, status data indicating the operating state and status of the three temperature control systems of the mold temperature controller are taken in, and based on the data, the display control unit 9 transmits the temperature around the heating cylinder whose temperature is controlled on the injection molding machine side. Is generated as screen data to be displayed together on one screen, and the information is displayed on the display device 3. It is made to let. In addition, in the injection molding machine system of the present embodiment, it is needless to say that the mold temperature control conditions and the like can be set in the mold temperature controller. It is possible to set and change the mold temperature control conditions, etc., and the mold temperature control conditions input on the injection molding machine are automatically transferred to the mold temperature controller. Thus, it is automatically stored in the temperature set value storage section 26 or the like.
[0020]
FIG. 2 is a diagram showing a first example of a temperature-related display screen called and displayed on the display device 3 by an operator appropriately operating the input device 2 of the injection molding machine. In FIG. 2, reference numeral 41 denotes a display area of a symbol graphic 42 of each part around the heating cylinder and a symbol graphic 43 of each part of the mold. The names of the respective parts are displayed on the left side of the respective parts of the symbol graphics 42 and 43. I have. On the right side of each part of the symbol graphics 42 and 43, an upward arrow is displayed when the temperature control target is currently controlled by heating, and an upward arrow is displayed when the temperature control target is currently controlled by cooling. When the heater is on, the upward arrow is displayed in red, and when the cooling water valve is on (when the cooling water is flowing), the downward arrow is displayed in blue. The color of each part of the symbol graphic 42 is also displayed in the same manner as the color of the arrow.
[0021]
Reference numeral 44 denotes a temperature display area of each part around the heating cylinder, for each part around the heating cylinder, a display 45 of an actually measured temperature value, a set temperature value setting / display column 46 displaying the set temperature value, and a display area 46 for the set temperature value. An allowable upper / lower limit setting / display column 47 displaying the allowable upper / lower limit value, and a temperature control on / off setting / display column 48 indicating the on / off state of the temperature control control (here, all Is set to the ON state).
[0022]
Reference numeral 49 denotes a temperature display area of each part of the mold. For each part of the mold, a display 50 of the actually measured temperature value, a set temperature value setting / display column 51 displaying the set temperature value, and a tolerance for the set temperature value. An upper / lower limit setting / display field 52 for displaying the upper / lower limit value is displayed, and a status display section 53 for displaying the status as necessary is also provided. The status display section 53 displays, for example, "MEDIUM SHORT" indicating that the temperature control medium is insufficient, "TEMP LOW" indicating that the temperature is still low, and the like.
[0023]
Numeral 54 denotes a display area of a heater hold mode, which is a heater hold mode setting / display field 55 for keeping the heating cylinder and the nozzle at a predetermined temperature even during the suspension of the molding operation (here, the heater hold mode is set to ON). ), A set temperature value setting / display column 56 displaying the set temperature value, and a hold status display 57 are displayed.
[0024]
Reference numeral 58 denotes a STOP mode selection column for stopping the mold temperature control operation (operation of the mold temperature controller), and reference numeral 59 denotes a RUN mode for turning on the mold temperature control operation (operation of the mold temperature controller). , A selection column 60 for a STAMPER mode for rapidly reducing the temperature of the mold to room temperature, and 61 a selection column for a PURGE mode for discharging the temperature control medium from the piping, and the mode selected in these selection columns 58 to 61. Is displayed in reverse video (here, only the RUN mode is selected and set).
[0025]
In the screen shown in FIG. 2, when the operator touches a finger or the like in a setting / display field or a selection field to instruct setting or selection (as described above, the display device 3 has a function as a touch panel). It is possible to set or select a designated setting / display column or a selection column. Operate is input by the input device 2 in the setting / display columns 46, 47, 51, 52, and 56 for inputting numerical values. The entered numerical value is entered and displayed. In the setting / display fields 48 and 55, a check mark is displayed or erased each time the operator touches a finger or the like, and a predetermined item is set in a state where the check mark is displayed. Each time the operator touches a finger or the like, the selection columns 58 to 61 are displayed in reverse or non-reverse, and a predetermined item is selected in the reverse display state.
[0026]
The input data of the setting and selection as described above is taken into the molding machine controller 1, and the data relating to the items controlled by the molding machine controller 1 is stored in the temperature set value storage section 6 and in the molding machine controller 1. It is stored in another setting condition storage unit (not shown). Further, data relating to items controlled by the temperature controller controller 21 is transferred from the molding machine controller 1 to the temperature controller controller 21, and is stored in the temperature set value storage section 26 and in the temperature controller controller 21. It is stored in another setting condition storage unit not shown.
[0027]
As described above, in the injection molding machine system of the present embodiment, information on the entire injection molding machine system and information on temperature control are displayed on the screen as shown in FIG. 2 displayed on the display device 3 of the injection molding machine. Information on temperature control around the heating cylinder, which is temperature controlled on the injection molding machine side, and information on temperature control on the mold, temperature controlled on the mold temperature controller side, are displayed together on one screen. Therefore, the usability for temperature monitoring is greatly improved. Further, the screen as shown in FIG. 2 enables the temperature control conditions on the mold temperature controller side to be set and changed together with the temperature control conditions on the injection molding machine side. Usability is greatly improved.
[0028]
FIG. 3 is a diagram showing a second example of a temperature-related display screen called and displayed on the display device 3 by an operator appropriately operating the input device 2 of the injection molding machine. In FIG. 3, reference numeral 71 denotes a symbol figure of each part around the heating cylinder, 72 denotes a symbol figure of each part of the mold, and symbol figures 71 and 72 denote actual measured temperature values of the respective parts to be temperature controlled. 73 is displayed.
[0029]
On the screen shown in FIG. 3, setting display columns for a plurality of operating conditions other than the temperature control conditions are displayed together with the actually measured values of the temperature of each part around the heating cylinder and each part of the mold on one screen. Then, the operator can change the setting of the other plurality of operating conditions while referring to the measured temperature of each part.
[0030]
That is, in the example shown in FIG. 3, an injection condition setting display field 81, a weighing condition setting display field 82, an injection compression condition setting display field 83, a cooling timer (cooling time of a molded article) setting display field 84, A setting display field 85 for the mold opening completion position, a setting display field 86 for the mold opening time, a setting display field 87 for the gate cut condition, a setting display field 88 for the mold air cooling condition, and a setting display field 89 for the eject condition are provided respectively. Have been. The operation of the numerical value input setting using these setting display fields is the same as that in the case of FIG. 2, and the data input by the operator is taken into the molding machine controller 1, and the operating condition setting conditions (not shown) are set. It is stored in the storage unit.
[0031]
FIG. 4 shows details of each display item shown in FIG. 3. For the contents of the setting display column including a plurality of items, see FIG.
[0032]
As described above, in the injection molding machine system of the present embodiment, the data of the actual measurement values of each part around the heating cylinder and each part of the mold are displayed on the screen as shown in FIG. 3 displayed on the display device 3 of the injection molding machine. , The setting of a plurality of operating conditions other than the temperature control condition can be changed, which greatly contributes to the optimal setting of the operating conditions for non-defective molding.
[0033]
In the above-described embodiment, the measured temperature data from the temperature sensor group 30 (the temperature sensors 30a to 30c) is output only to the temperature controller controller 21. May be output also to the molding machine controller device 1.
[0034]
【The invention's effect】
As described above, according to the present invention, information on the temperature control around the heating cylinder whose temperature is controlled on the injection molding machine side and information on the temperature control of the mold whose temperature is controlled on the mold temperature controller are An easy-to-use injection molding machine system that is displayed on a screen can be realized.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a main part of an injection molding machine system according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing a first example of a temperature-related display screen displayed on a display device of the injection molding machine in the injection molding machine system according to one embodiment of the present invention.
FIG. 3 is an explanatory diagram showing a second example of a temperature-related display screen displayed on a display device on the injection molding machine side in the injection molding machine system according to one embodiment of the present invention.
FIG. 4 is an explanatory diagram showing details of display items in FIG. 3;
[Explanation of symbols]
REFERENCE SIGNS LIST 1 molding machine controller device 2 input device 3 display device 4 main control device 5 communication unit 6 temperature set value storage unit 7 actual measured value storage unit 8 temperature control unit 9 display control unit 10 temperature sensor groups 10 a to 10 g temperature sensor 11 heater driver Groups 11a to 11f Heater driver 12 Valve driver 21 Temperature controller controller device 22 Input device 23 Display device 24 Main control device 25 Communication unit 26 Temperature set value storage unit 27 Actual measured value storage unit 28 Temperature control unit 29 Display control unit 30 Temperature Sensor groups 30a to 30c Temperature sensors 31a to 31c Heater drivers 32a to 32c Valve drivers

Claims (5)

An injection molding machine system comprising an injection molding machine and a mold temperature controller for controlling the temperature of each part of a mold of the injection molding machine,
The molding machine controller device of the injection molding machine has communication means for communicating with communication means of the temperature controller controller device of the mold temperature controller, temperature control means for controlling the temperature of each part around the heating cylinder of the injection molding machine, Temperature measured value storage means for taking in the measured temperature from a temperature sensor for measuring the temperature of each part around the heating cylinder of the injection molding machine, and display data of the display device of the injection molding machine are generated and displayed on the display device. Display control means,
The molding machine controller fetches predetermined data from the temperature controller controller, and displays the symbol figure of each part around the heating cylinder and the actual measurement of each part around the heating cylinder on the display by the display control means. An injection molding machine system, wherein a temperature, a symbol figure of each part of the mold, and a measured temperature of each part of the mold are displayed together on one screen. The injection molding machine system according to claim 1,
On the display device by the display control means, the symbol figure of each part around the heating cylinder, the measured temperature and the set temperature of each part around the heating cylinder, the symbol figure of each part of the mold, and the symbol figure of the mold. An injection molding machine system wherein the measured temperature and set temperature of each part are displayed together on one screen. The injection molding machine system according to claim 2,
3. The injection molding machine system according to claim 2, wherein a set temperature of each part around the heating cylinder and a set temperature of each part of the mold can be set and changed. The injection molding machine system according to claim 2,
3. The screen according to claim 2, wherein at least one of an on / off setting of the mold temperature control operation, a selection of a mode for rapidly reducing the mold temperature to room temperature, and a selection of a discharge mode of the mold temperature control medium. An injection molding machine system characterized by the following: The injection molding machine system according to claim 1,
On the display device by the display control means, the symbol figure of each part around the heating cylinder, the measured temperature of each part around the heating cylinder, the symbol figure of each part of the mold, and the actual measurement of each part of the mold The temperature and the setting display column of other operating conditions other than the temperature control condition are displayed together on one screen, and on this screen, the set values of the other operating conditions other than the temperature control condition can be set and changed. An injection molding machine system characterized by the following.

Images