JPH02261619A - Display of injection molder - Google Patents

Abstract

PURPOSE:To make the unnecessary representation time as short as possible in case of full automatic operation and dissolve the trouble for returning representation through the operation with key in case of manual operation by a method wherein a time change function unit, which makes the time for full automatic operation and that for manual operation of an injection molder different from each other by a certain time, is provided. CONSTITUTION:The display 1 concerned is equipped with a representation controlling unit 12, which connects to a controller 10, and an indicator 3, the representation of which is controlled by the representation controlling unit 12. The representation controlling unit 12 is equipped with a time change function unit 6, which changes a certain fixed time To set in a representation stop function unit 13 and is equipped with a time setting unit 15 for full automatic operation and a time setting unit 16 for manual operation. The respective setting units 15 and 16 can respectively set times To, which are different from each other. Since the time, in which an indicator 3 is shifted to the representation stop state, can be changed in the display 1 by the time change function unit 6 in the full automatic operation and in the manual operation, the optimum representations for respective operation modes can be performed by setting the time To in the full automatic operation comparatively shorter and the time To in the manual operation comparatively longer.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a display device for an injection molding machine that visually displays various molding information on a display.

[Conventional technology]

Usually, injection molding machines have CRT, plasma display,
It is equipped with a display device using a display such as an LED display or an LCD display, and the display displays various molding information, such as molding condition data set by a setting panel and operational status data during molding.

By the way, among the molding information displayed by such display devices, there is a lot of data that belongs to know-how, such as molding conditions and operating conditions, and moreover, unmanned systems are adopted in factories that use injection molding machines. Because of this, there is a risk that important data may be stolen from the display. Furthermore, in an unmanned system, continuing the display state of the display unit causes wasteful energy consumption and shortens the life of the display unit.

Therefore, the present applicant has already developed an improved display device in Japanese Unexamined Patent Publication No. 6
This problem was solved by a proposal in Publication No. 3-111028.

The display device disclosed in the publication includes a display stop means that stops displaying the display when no setting operation is performed on the setting panel for a certain period of time, and a display command signal, such as a signal based on the operation of an arbitrary setting key on the setting panel. Alternatively, the device is equipped with a display recovery means that resumes a display that has been canceled in response to an abnormality signal from the abnormality monitoring circuit of the injection molding machine, thereby ensuring confidentiality, saving energy consumption, and extending the life of the display. It is something.

[Problem to be solved by the invention]

However, the display device disclosed in the publication also had the following problems to be improved.

That is, when an injection molding machine is operated, it is usually performed in fully automatic operation or manually operated operation, but the setting work of molding conditions etc. differs greatly depending on each operation mode.

Manual operation is performed during molding tests, at start-up from the beginning of molding work to transition to fully automatic operation, and when returning to fully automatic operation after stopping the molding machine due to an abnormal signal, and the operator must check the molding results etc. In many cases, the work is continued while checking. Therefore, if you do not perform any setting operations on the setting panel for a certain period of time, the display will be stopped even if the setting is in progress, and you will have to operate the setting keys on the setting panel to restore the display each time. arise.

On the other hand, in fully automatic operation, the setting work is often completed, and in most cases, the operator leaves the molding machine. However, since it is necessary for at least a certain period of time to pass before the display unit 3 shifts to the display stop state, the unnecessary display state continues for a while, making it difficult to save energy, maintain confidentiality, and extend the life of the display completely unattainable.

An object of the present invention is to provide a display device for an injection molding machine that solves the problems existing in the conventional technology.

[Means to solve the problem]

The display device l of the injection molding machine according to the present invention includes a setting panel 2.
a display canceling function unit 4 that causes the display device 3 to be in a display canceling state when a setting operation is not performed for a predetermined period of time 10, and a display device that returns the display device 3 that has been in the display canceling state to the displaying state based on a predetermined condition. When configuring the display device equipped with the return function section 5, it is noted that a time change function section 6 is provided to make the certain time To different at least between fully automatic operation and manual operation of the injection molding machine. Features. In this case, it is desirable to set the certain time To longer during manual operation than during fully automatic operation.

[For production]

Next, the operation of the present invention will be explained.

According to the display device l according to the present invention, the time change function unit 6 can make the time required for the display device 3 to shift to the display stop state to be different at least between fully automatic operation and manual operation. For example, by making the time To during fully automatic operation relatively short and the time To during manual operation operation relatively long, the optimal time T for each driving mode can be set.
o can be set.

〔Example〕

Hereinafter, preferred embodiments of the present invention will be described in detail based on the drawings.

First, the block configuration of a control system including the display device 1 will be explained with reference to FIG.

10 is a controller equipped with a computer function;
Various actuators lla, -11b, . Note that the controller IO has a built-in driver for driving each of these actuators. Furthermore, a display device l according to the present invention is connected to the output side of the controller 10. The display device I includes a display control unit 12 connected to a controller IO, and a display 3 whose display is controlled by the display control unit 12.

A functional block diagram of the display control section 12 is shown in FIG. The display control section 12 includes a display stop timer function section 13 that resets to zero (initializes) when any setting key on the setting panel 2, which will be described later, is operated. The timer function section 13
is a certain period of time T from the start of time measurement until the time is up.
o is set. Furthermore, the display control function section 14 includes a function to change the display of the display device 3 to a display stop state, for example, to turn off the display power of the display device 3 based on the time-up of the function section 13. Functional parts 13 and 1
4 constitutes a display stop function fi4.

Furthermore, the display control unit 12 includes a time change function unit 6 that changes the constant time To set in the display stop function unit 13.
Equipped with The functional unit 6 includes a time setting unit 5 for fully automatic operation and a time setting unit 16 for manual operation, and each setting unit 15 and 16 has a different time TO.
can be set.

In this case, it is desirable to set the time To during fully automatic operation to be relatively short, and to set the time To during manual operation to be relatively long. In addition, as another form of the time change function part 6, two (plural) display stop timer function parts set with different times To may be provided and used selectively. Further, the concept of changing the time To includes the case of continuously changing it to an arbitrary size. Each of the above functional units 4.5.6.1
3.15.16 may be configured by hardware such as a counter, a functional circuit, etc., or may be implemented by software based on a computer program.

On the other hand, in FIG. i, a setting panel 2 is connected to the input side of the controller 10. The setting panel 2 has a function of inputting molding conditions such as speed, pressure, position, temperature, etc. of each part of the injection molding machine to the controller 10 using the setting keys, and the inputted molding conditions are written into the internal memory of the controller 10.

Furthermore, an abnormality monitoring circuit 21 is provided, and each actuator Il
In addition to monitoring the operating state of a, if an abnormality occurs, an abnormality occurrence signal is sent to the controller 10 to activate an alarm or the like, and furthermore, this abnormality occurrence signal is also given to the display control section 12. On the other hand, the setting key lines connected from the setting panel 2 to the controller IO are
It is connected to the input side of the R circuit 22, and the output side of this OR circuit 22 is connected to the display control section 12. Note that this abnormality occurrence signal and the output signal of the OR circuit 22 are the display command signal sb.
becomes.

Next, a display method using the display device 1 will be explained with reference to FIG.

First, by turning on the power, a signal indicating fully automatic operation or manual operation is sent from the controller 10 to the display control section 12, the corresponding time setting section 15 or 16 is selected, and based on this, the display stop timer is set. Fixed time T in functional section I3.

The value of is set (step 51). At the same time, the display stop timer function section 13 in the display control section [2 starts measuring time (steps 52 and 53). Since the time To at which the function section 13 times up is set in advance, the display data is sent from the controller 10 to the display 3 while the time measurement continues, and the display is in a display state. Therefore, in this state, molding conditions can be input by operating the setting keys on the setting panel 2 and written into the internal memory of the controller IO. At this time, if you operate any setting key,
The display stop timer function unit I3 is reset to zero via the R circuit 22, and the display 3 continues displaying (step 54).
．． 55.56). Further, when the operation mode of the molding machine changes from manual operation to fully automatic operation, or from fully automatic operation to manual operation, the display stop timer function section 13 is reset to zero.

On the other hand, when the manual setting using the setting panel 2 is completed, the setting keys are no longer operated, and the display stop timer function unit 13 times out after the written time To has elapsed. Therefore, the display stop signal based on this causes the display 3 to enter the display stop state (steps 57, 58, and 59). After this,
Based on the set molding conditions, the injection molding machine can continue operating with the display suspended.

By the way, in the case of fully automatic operation, the value of the above-mentioned time TO is set relatively short, so after the setting work is completed, when fully automatic operation is started and the operator leaves the molding machine, the display Since the display device 3 quickly shifts to the display stop state, it is possible to more completely achieve energy saving, confidentiality, and a longer life of the display device. On the other hand, in the case of manual operation, the time To is set relatively long, so even if it takes time to operate the setting keys during the setting process, the display 3 will not shift to the display stop state during the setting process. , you can perform the setting work smoothly.

On the other hand, if the molding conditions need to be changed due to a disturbance or the like during operation with the display suspended, operating any setting key on the setting panel 2 will cause the display control unit to The display stop timer function unit I3 of No. 12 starts counting time, and the display 3 returns to the display state (steps 54, 55, and 56). Therefore, the molding conditions can be changed using the setting panel 2.

In addition, if the molding environment changes due to disturbances, etc., and an abnormality occurs in the molding operation, an abnormality monitoring team will be called! ! 21 outputs an abnormality detection signal, which causes the controller 10 to stop the molding operation and activate the alarm lamp and alarm buzzer. At the same time, the abnormality detection signal is given to the display control unit 12, the display stop timer function unit 13 starts counting time, and the display 3 returns to the display state (step 57.
60.61).

Although the embodiments have been described in detail above, the present invention is not limited to these embodiments.

For example, the time To may be set through a controller from a setting panel. Also, time TO
When setting the time, it may be possible to select a plurality of values of the time TO depending on the content of the manual operation or fully automatic operation. In addition, the detailed structure and method may be arbitrarily changed without departing from the gist of the present invention.

〔Effect of the invention〕

As described above, the display device for an injection molding machine according to the present invention is provided with a time change function section that makes the fixed time until the display stops displaying different at least between fully automatic operation and manual operation. As a result, the following effects are achieved.

■ During fully automatic operation, by setting a short fixed period of time until the display is stopped, unnecessary display time can be reduced as much as possible, resulting in more complete confidentiality, energy saving, and display Longer life can be achieved.

- In the case of manual operation, by setting the predetermined time longer, it is possible to eliminate the trouble of having to reset the display by key operation each time the display is stopped during the setting.

[Brief explanation of drawings]

Fig. 1.2 A block circuit diagram of a control system including a display device according to the present invention. Fig. 2: A functional block diagram of a display control unit in the control system. Fig. 3: Showing a display method using a display device according to the present invention. flowchart. In the drawings, l: Display device 2: Setting panel 3: Display unit 4: Display cancel function unit 5: Display return function unit 6: Time change function unit 1) Shigedaizu Kagure 3

Claims (1)

[Scope of Claims] [1] A display canceling function unit that puts a display into a display canceling state when no setting operation on a setting panel is performed for a certain period of time;
In a display device for an injection molding machine, the display device includes a display return function unit that returns a display device in a display halted state to a display state based on predetermined conditions, and the predetermined period of time is at least equal to that during fully automatic operation of the injection molding machine. A display device for an injection molding machine, characterized by being provided with a time change function section that changes the time during manual operation. [2] The display device for an injection molding machine according to claim 1, wherein the certain period of time is set longer during manual operation than during fully automatic operation.