JP3733102B2 - Gauge display method for injection molding machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a gauge display method for an injection molding machine that is suitable for use in displaying a gauge having a scale part and a movable pointer part indicating the scale part on a display.
[0002]
[Prior art]
Conventionally, as a display device of an injection molding machine provided with a display for displaying a gauge having a scale part and a movable pointer part indicating the scale part, an injection disclosed in Japanese Patent Laid-Open No. 10-249888, which has already been proposed by the present applicant. A display device with a touch panel of a molding machine is known.
[0003]
In this type of display device, for example, when a screw position gauge indicating the screw position of the injection device is displayed on the screen of the display, a bar that indicates the scale portion by a scale portion that reads the screw position and a tip position that is movable and displaced. And a limit display mark (triangular mark) indicating the operating range (movement range) of the screw is displayed at the upper limit position (upper limit value) and lower limit position (lower limit value) of the scale. It was.
[Patent Document 1]
Japanese Patent Laid-Open No. 10-249888
[Problems to be solved by the invention]
However, the conventional gauge display method in the display device described above has the following problems to be solved.
[0005]
First, since it is difficult to visually and sensuously recognize how much the current value has reached the operating range and the setting range, it is not possible to accurately and quickly grasp the real-time operating status.
[0006]
Secondly, when the setting range or the operation range is narrow, the limit display mark is relatively large compared to these ranges and cannot be easily grasped, and the limit display mark (displayed at the upper limit position and the lower limit position) (Triangle marks) overlap each other, and the display is limited.
[0007]
The present invention solves such a problem existing in the prior art, and can grasp the operation state accurately and promptly, and is excellent in versatility that can be displayed without limitation even when the setting range or the operation range is narrow. An object is to provide a gauge display method for an injection molding machine.
[0008]
[Means for Solving the Problems and Embodiments]
In the gauge display method of the injection molding machine M according to the present invention, the movable pointer portions Pa, Pb for indicating the scale portions Da, Db, Dc, Dw... And the scale portions Da. , Pc, Pw..., Pc, Pw..., Pc, Pw..., Pc, Pw. The bar display portions 6a, 6b, 6c, 6w,... Of colors different from the color of the pointer portions Pa ..., Pw ... are displayed along the movable locus of the movable pointer portions Pa ..., Pw ....
[0009]
In this case, according to a preferred embodiment, the monitoring range can be applied with an operating range regulated by at least an upper limit value and a lower limit value for the operating position, and at least a setting range regulated by an upper limit value and a lower limit value for the temperature. Applicable. At this time, the point display portions 7w... Indicating the target values can be displayed in a different color from the bar display portions 6w. If the movable pointer portions Pw... Enter the setting range, the scale portion Dw... Is changed and displayed on the scale portion Dws... Of a smaller range, and the bar display portion 6w. Then, the display is changed and displayed on the enlarged bar display portion 6we..., And when the movable pointer portion Pw.
[0010]
【Example】
Next, preferred embodiments according to the present invention will be given and described in detail with reference to the drawings.
[0011]
First, the configuration of the display device 1 used for carrying out the gauge display method according to the present embodiment and the schematic configuration of an injection molding machine M including the display device 1 will be described with reference to FIGS. 3 and 4.
[0012]
In FIG. 3, M indicated by an imaginary line is an injection molding machine, and includes a machine base Mb and an injection device Mi and a mold clamping device Mc installed on the machine base Mb. The injection device Mi includes a heating cylinder 10, an injection nozzle that does not appear in the drawing at the front end of the heating cylinder 10, and a hopper 11 that supplies material to the rear of the heating cylinder 10. On the other hand, the mold clamping device Mc includes a mold 12 composed of a movable mold and a fixed mold. In addition, the display device 1 is disposed on the machine base Mb by using the side panel 13 that is erected. In this case, the display device 1 includes a display unit 21 having a display 2 provided with a touch panel 3 and a display control unit 22 (FIG. 4) connected to the display unit 21, so that the display unit 21 is arranged on the side panel 13. The display control unit 22 is built in the machine base Mb.
[0013]
FIG. 4 shows a functional block diagram of the display device 1. The display control unit 22 is configured by a computer including a CPU, ROM, RAM, and the like (not shown), and functions by an HMI (Human Machine Interface) program. This HMI program is software for setting and displaying operating conditions of the injection molding machine M, displaying operation monitoring data of the injection molding machine M, and the like. The display control unit 22 includes an image display data processing unit (control unit) 23, a process data memory 24 for writing various information such as detection information (detection data) from various sensors, input / output information and analog information, and various image data. An image data memory 27 for storing various setting data such as operation conditions, an input processing unit 29 connected to the touch panel 3, an image memory 30 connected to the display 2, and the like. In this case, a color liquid crystal display capable of color display can be used as the display 2.
[0014]
In the process data memory 24 described above, position detection information (detection data) related to the screw position, mold position and ejector position obtained from the position sensor group 25 as information to be displayed by the gauge display method according to the present embodiment, temperature Temperature detection information (detection data) related to the heating cylinder temperature and the injection nozzle temperature obtained from the sensor group 26 is written.
[0015]
Next, an overview of a process monitoring screen and a temperature screen for displaying a gauge by the gauge display method according to the present embodiment will be described with reference to FIGS.
[0016]
First, an outline of a process monitoring screen that displays a position gauge related to the operation position will be described. FIG. 5 shows a process monitoring screen Va displayed on the display 2. The process monitoring screen Va includes a process display unit 31 that displays processes and measured values, a progress display unit 32 that displays production progress, a resin pressure display unit 33 that displays resin pressure, and a screw rotation that displays screw rotation speed. In addition to having a display unit 34 and the like, it has a screw position gauge 5a, a mold position gauge 5b, and an ejector position gauge 5c displayed by the gauge display method according to the present embodiment.
[0017]
Also. In the upper and lower stages of the process monitoring screen Va, a plurality of screen switching keys K1, K2, K3... Provided for each screen item for switching various screens Va are displayed. The screen switching keys K1... Are ranked in consideration of the frequency of use. In the upper part, the mold opening / closing screen switching key K1, the ejector screen switching key K2, the injection / weighing screen switching key K3, and the temperature screen switching key K4. The first group Ga related to the setting of the operating conditions of the molding machine having the monitor screen switching key K5, the main condition screen switching key K6, and the condition switching screen switching key K7 is arranged in a horizontal row, and in the lower part, A second group Gb having a setup screen switching key K8, a process monitoring screen switching key K9, a production information screen switching key K10, a waveform screen switching key K11, a statistical screen switching key K12, and a trend screen switching key K13 is arranged in a horizontal row. To do.
[0018]
Each screen switching key K1... Is displayed in the same manner even when the process monitoring screen Va is switched to another screen (such as the temperature screen Vb). The second group Gb displayed in FIG. 5 is in a state where the first hierarchy is displayed. By touching the hierarchy screen switching key Kc at the right end of the screen, the history screen switching key in the second hierarchy, A program screen switching key, a signal recorder screen switching key, a diagnostic screen switching key, and the like are displayed in the same manner in such a manner that they are replaced with the screen switching keys K8 to K13. Further, the display device 1 is provided with an array change function for arbitrarily changing the array of the screen switching keys K1... On the user side and an array storage function for storing the changed array. Accordingly, the user himself / herself can arbitrarily change the arrangement (order) of the screen switching keys K1. With such a layout display, even when the name display displayed on each screen switching key K1... Is changed, it can be easily handled by software, man-hours and costs can be reduced due to the change, and each screen switching key K1. Visibility and operability for ... can be improved.
[0019]
Next, an outline of a temperature screen that displays a temperature gauge related to temperature will be described. FIG. 6 shows a temperature screen Vb displayed on the display 2. This temperature screen Vb is displayed by touching the temperature screen switching key K4 shown in FIGS. And this temperature screen Vb has the figure part 55 resembling the heating cylinder 10 containing an injection nozzle in the upper right part, and the target temperature display which displays the target temperature corresponding to each location in this figure part 55 It has a column 56. That is, the target temperature display column 56 includes a first display unit 56w for displaying the target temperature of the injection nozzle from the left side in the drawing, a second display unit 56x for displaying the target temperature at the front of the heating cylinder, and a target for the heating cylinder in the middle. A total of four display parts, a third display part 56y for displaying the temperature and a fourth display part 56z for displaying the target temperature at the rear of the heating cylinder, are arranged in the horizontal direction. Further, below the target temperature display field 56, a current temperature display field 57 for displaying the current temperature corresponding to each display unit 56w... And a control output display for displaying a control output corresponding to each display unit 56w. The column 58 has a heat insulation temperature display field 59 for displaying the heat insulation temperature corresponding to each display unit 56w.
[0020]
Further, in the lower right half of the temperature screen Vb, the injection nozzle temperature gauge 5w, the heating cylinder front temperature gauge 5x, the heating cylinder middle temperature gauge 5y, and the heating cylinder rear temperature displayed by the gauge display method according to this embodiment are displayed. It has gauge 5z, and the position of each temperature gauge 5w ... is arranged corresponding to the position of each display part 56w .... Note that the screen switching keys K1, K2, K3,... Are displayed in the upper and lower stages of the temperature screen Vb as in the case of the process monitoring screen Va described above.
[0021]
Next, the gauge display method according to the present embodiment will be described with reference to FIGS.
[0022]
FIG. 1 shows the position gauges 5a, 5b and 5c extracted on the process monitoring screen Va. First, the screw position gauge 5a has a scale portion Da displayed in the horizontal direction, and a movable pointer portion Pa for indicating the scale portion Da by displaying the scale portion Da below the scale portion Da. As a result, the tip position of the bar-shaped movable pointer portion Pa is moved and the screw position attached to the scale portion Da is indicated. On the other hand, below the movable pointer portion Pa, a predetermined monitoring range for the movable pointer portion Pa, that is, an operation range (movement range) regulated by an upper limit value and a lower limit value has a predetermined width and is movable. The bar display unit 6a of a color different from the color of the pointer part Pa (for example, green) is displayed along the movable locus of the movable pointer part Pa. In addition, 51a shows the present value display part (numerical value display part) of a screw position. And these each part which comprises the screw position gauge 5a is displayed in the figure part 52a resembling the outline shape of the heating cylinder 10. FIG.
[0023]
The mold position gauge 5b has a scale portion Db displayed in the horizontal direction, and a movable pointer portion Pb that indicates the scale portion Db by displaying the scale portion Db below the scale portion Db. Thereby, the tip position of the bar-shaped movable pointer portion Pb is movably displaced to indicate the die position (die position) attached to the scale portion Db. On the other hand, below the movable pointer portion Pb, a predetermined monitoring range for the movable pointer portion Pb, that is, an operation range (movement range) regulated by the upper limit value and the lower limit value has a predetermined width and is movable. The bar display unit 6b having a color different from the color of the pointer part Pb (for example, green) is displayed along the movable locus of the movable pointer part Pb. Reference numeral 51b denotes a current value display part (numerical value display part) of the mold position. These parts constituting the mold position gauge 5 b are displayed in a graphic part 52 b that resembles the outer shape of the mold 12.
[0024]
Furthermore, the ejector position gauge 5c has a scale portion Dc displayed in the horizontal direction, and a movable pointer portion Pc for indicating the scale portion Dc by displaying the scale portion Dc below the scale portion Dc. As a result, the tip position of the bar-shaped movable pointer portion Pc is movably displaced to indicate the ejector position (ejector pin position) attached to the scale portion Dc. On the other hand, below the movable pointer portion Pc, a predetermined monitoring range for the movable pointer portion Pc, that is, an operation range (movement range) regulated by the upper limit value and the lower limit value has a predetermined width and is movable. The bar display unit 6c of a color different from the color of the pointer part Pc (for example, green) is displayed along the movable locus of the movable pointer part Pc. Reference numeral 51c denotes an ejector position current value display section (numerical value display section). These parts constituting the ejector position gauge 5c are displayed in a graphic part 52c resembling the shape of the ejector pin.
[0025]
As described above, in the screw position gauge 5a, the mold position gauge 5b, and the ejector position gauge 5c, the operation ranges (movement ranges) regulated by the upper limit value and the lower limit value for the movable pointer portions Pa have a predetermined width, respectively. In addition, since it is displayed by the bar display section 6a of a color different from the color of the movable pointer section Pa, it is easy to visually and sensibly recognize how much the current value has reached the operating range. Real-time operation status can be grasped accurately and promptly. In addition, unlike the conventional limit display mark (triangular mark) that is displayed only at the upper limit value and the lower limit value, even if the operation range is narrow, it can be displayed without limitation, and thus it is excellent in versatility.
[0026]
On the other hand, FIG. 2 shows the extracted injection nozzle temperature gauge 5w. The injection nozzle temperature gauge 5w has a scale portion Dw displayed in the vertical direction and a movable pointer portion Pw that indicates the scale portion Dw by displaying on the left side of the scale portion Dw. Thereby, the upper end position in the bar-shaped movable pointer portion Pw moves up and down to indicate the temperature applied to the scale portion Dw. On the other hand, on the right side of the movable pointer portion Pw, a predetermined monitoring range for the movable pointer portion Pw, that is, a setting range regulated by the upper limit value and the lower limit value, has a predetermined width, and the color of the movable pointer portion Pw. Is displayed along the movable locus of the movable pointer portion Pw by the bar display portion 6w of a color different from (for example, green). In this case, the point display portion 7w indicating the target value is displayed in a color different from that of the bar display portion 6w at the intermediate portion of the bar display portion 6w indicating the set range.
[0027]
Further, as shown in FIG. 2, the injection nozzle temperature gauge 5w is configured so that the scale part Dw is changed to a scale part Dws of a smaller range when the movable pointer part Pw being moved enters the set range (bar display part 6w). The change display and the bar display portion 6w indicating the setting range are changed and displayed on the enlarged bar display portion 6we enlarged corresponding to the change display, and if the movable pointer portion Pw is out of the setting range, before the change display. It has a display function to return to the display. Hereinafter, the display function (display method) will be described according to the flowchart shown in FIG. 7 with reference to FIG.
[0028]
Assume that the temperature of the injection nozzle is started by supplying power to the heater portion of the injection nozzle (step S1). In this case, the movable pointer portion Pw is in a position that is lowered in response to a low temperature. Further, as shown in FIG. 2A, a standard scale portion Dw having a range of 0 to 400 ° C. is displayed (step S2), and a bar display portion 6w serving as a standard corresponding to the scale portion Dw is displayed. Is displayed (step S3).
[0029]
Then, as the temperature rises, the movable pointer portion Pw rises, and as shown in FIG. 2A, if the upper end position of the movable pointer portion Pw falls within the set range (bar display portion 6w), the injection nozzle temperature The gauge 5w is changed to the injection nozzle temperature gauge 5we shown in FIG. 2B (step S4). That is, the scale part Dw is changed and displayed on the scale part Dws having a smaller range, in the embodiment, the scale part Dws having a range of 170 to 230 ° C. (step S5), and the bar display part 6w indicating the set range is also concerned. Displayed by the enlarged bar display section 6we enlarged corresponding to the change display (step S6). On the other hand, if the upper end position of the movable pointer portion Pw deviates from the set range (enlarged bar display portion 6we) due to the injection nozzle shifting to the heat retention mode due to the stop of the operation of the injection molding machine M or the occurrence of a control abnormality, the injection is performed. The nozzle temperature gauge 5w returns to the display of the injection nozzle temperature gauge 5w shown in FIG. 2A (step S7). That is, the standard scale portion Dw having a range of 0 to 400 ° C. is displayed, and the standard bar display portion 6w corresponding to the scale portion Dw is displayed (steps S2 and S3). Although the display method of the injection nozzle temperature gauge 5w has been described in detail, the display method of the heating cylinder front temperature gauge 5x, the heating cylinder middle temperature gauge 5y, and the heating cylinder rear temperature gauge 5z shown in FIG. The same as in the case of 5w.
[0030]
As described above, since the bar display portions 6w... Similar to those of the position gauges 5a, 5b and 5c described above are displayed in the temperature gauges 5w..., The current value reaches what level of the set range. It is easy to visually and sensibly recognize whether or not there is a real-time operation state (temperature state). Further, unlike the limit display mark (triangular mark) that is displayed only at the upper limit value and the lower limit value as in the conventional case, even if the setting range is narrow, it can be displayed without limitation, and thus it is excellent in versatility. In addition, in the case of each temperature gauge 5w, the point display portion 7w ... indicating the target value is displayed in a color different from that of the bar display portion 6w ... at the intermediate portion of the bar display portion 6w ... indicating the set range. The upper limit value, the lower limit value, and the target value can be clearly grasped at a glance, and when the movable pointer portion Pw... Enters the set range (bar display portion 6w...), The scale portion Dw. In addition to being displayed as changed in Dws..., The bar display portions 6 w... Are displayed in the enlarged bar display portions 6 we... Enlarged corresponding to the changed display, so that the real-time operation status can be grasped more accurately and promptly.
[0031]
Although the embodiments have been described in detail above, the present invention is not limited to such embodiments, and the detailed configuration, arrangement, quantity, method, and the like can be arbitrarily set within the scope of the present invention. Can be changed, added or deleted. For example, in the embodiment, as gauges, position gauges 5a, 5b, 5c related to operating positions (screw position, mold position, and ejector position) and temperature gauges 5w, 5x, 5y related to temperature (injection nozzle temperature and heating cylinder temperature) are used. , 5z is exemplified, but the present invention can be similarly applied to other physical quantities such as pressure and speed. Moreover, although the operation range and the setting range have been illustrated as the monitoring range, other monitoring ranges are not excluded. Furthermore, although the change display of the range is illustrated with respect to the temperature gauges 5w..., The same change display can be performed on the position gauges 5a. In addition, although the liquid crystal display was illustrated as the display 2, various displays, such as CRT and a plasma display, are applicable.
[0032]
【The invention's effect】
As described above, the gauge display method for the injection molding machine according to the present invention provides a predetermined monitoring for the movable pointer portion when displaying the gauge having the scale portion and the movable pointer portion indicating the scale portion on the display of the display device. Since the range is displayed along the movable locus of the movable pointer portion by the bar display portion having a predetermined width and a color different from the color of the movable pointer portion, the following remarkable effects are obtained. .
[0033]
(1) Since it is easy to visually and sensuously recognize how much the current value has reached in the monitoring range, it is possible to grasp the operating state accurately and promptly.
[0034]
(2) Unlike the conventional limit display mark (triangular mark) that is displayed only at the upper limit value and the lower limit value, since it can be displayed without limitation even when the operation range is narrow, it is excellent in versatility.
[0035]
(3) According to a preferred embodiment, an upper limit value, a lower limit value, and a target value are displayed if a point display portion indicating a target value is displayed in a color different from that of the bar display portion at an intermediate portion of the bar display portion indicating the set range. Can be clearly understood at a glance.
[0036]
(4) According to a preferred embodiment, when the movable pointer portion enters the set range, the scale portion is changed to a scale portion of a smaller range, and the bar display portion indicating the set range is compatible with the change display. If the change is displayed on the enlarged bar display and the movable pointer is out of the setting range, the display can be returned to the display before the change display, so that the operation status can be grasped more accurately and quickly. be able to.
[Brief description of the drawings]
FIG. 1 is an image diagram of a gauge (position gauge) displayed by a gauge display method according to a preferred embodiment of the present invention;
FIG. 2 is an image diagram of a gauge (temperature gauge) displayed by the gauge display method.
FIG. 3 is a schematic diagram of an injection molding machine provided with a display device used for carrying out the gauge display method;
FIG. 4 is a functional block diagram of the display device;
FIG. 5 is a screen diagram including a gauge (position gauge) displayed by the gauge display method;
FIG. 6 is a screen diagram including a gauge (temperature gauge) displayed by the same gauge display method;
FIG. 7 is a flowchart showing a processing procedure when a gauge (temperature gauge) is displayed by the gauge display method;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Display apparatus 2 Display 5a ... Gauge (position gauge)
5w ... gauge (temperature gauge)
6a ... Bar display part 6w ... Bar display part 6we ... Enlarged bar display part 7w ... Point display part M Injection molding machine Da ... Scale part Dw ... Scale part Pa ... Movable pointer part Pw ... Movable pointer part Dws ... Scale part

Claims (5)

In a gauge display method of an injection molding machine for displaying a gauge having a scale portion and a movable pointer portion for indicating the scale portion on a display of a display device, the predetermined monitoring range for the movable pointer portion has a predetermined width. And a gauge display method for an injection molding machine, wherein the display is performed along a movable locus of the movable pointer portion by a bar display portion having a color different from that of the movable pointer portion. The gauge display method for an injection molding machine according to claim 1, wherein the monitoring range is an operation range regulated by at least an upper limit value and a lower limit value with respect to an operation position. The gauge display method for an injection molding machine according to claim 1, wherein the monitoring range is a setting range regulated by at least an upper limit value and a lower limit value with respect to temperature. 4. The gauge display method for an injection molding machine according to claim 3, wherein a point display portion indicating a target value is displayed in a color different from that of the bar display portion at an intermediate portion of the bar display portion indicating the set range. If the movable pointer part enters the set range, the scale part is changed to a scale part with a smaller range, and the bar display part showing the set range is enlarged corresponding to the change display. 4. The gauge display method for an injection molding machine according to claim 3, wherein a change display is made on the display unit, and if the movable pointer part is out of the set range, the display before the change display is restored.

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