JP2010110952A - Method for displaying monitor data of multi-material injection molding machine on screen, apparatus for displaying monitor data on screen and screen for displaying monitor data - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that it is not possible to quickly confirm monitor data on the quality of a completed molded product, and it is difficult to discriminate the combination of the molded product and a mold therefor, it takes a long time to solve the problem because display data of the primary molded product and the secondary molded product directly constituting the completed molded product are displayed displaced by one step in displaying the monitor data of a mold reversing type injection molding machine. <P>SOLUTION: The monitor data of the primary molded product and the secondary molded product directly constituting the completed product are displayed in the same column and the same line, and furthermore, discriminated in each combination of injection devices and molds. Furthermore, the whole list screen and a list screen of each combination of the injection devices and the molds can be switched to each other to make it possible to respond when a malfunction occurs in the monitor data. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a mold reversal type injection molding machine that integrally molds different kinds of resins, and more particularly to a monitor data screen display method, a monitor data screen display device, and a monitor data display screen. .

  Conventionally, a movable metal attached to a movable platen of a mold clamping device as a molding machine and molding method of a two-material (two-color) molded product that integrally molds different types or the same types of resins but with different colors and additives. 2. Description of the Related Art A mold reversal type injection molding machine that includes a reversal drive unit that reversely rotates a mold and includes two injection devices is known (for example, see Patent Document 1).

Such a conventional mold reversal type injection molding machine is provided with an acquisition means for acquiring monitor data and a display device for displaying the monitor data acquired by the acquisition means.
FIG. 5 is a schematic diagram of a conventional mold reversal type injection molding machine, FIG. 6 is a schematic diagram showing a first molding operation of the conventional mold reversal type injection molding machine, and FIG. 7 is a conventional mold reversal type injection molding. FIG. 8 is a schematic explanatory view of a monitor data display unit of a conventional mold reversal type injection molding machine.
The mold reversal type injection molding machine will be briefly described with reference to these drawings.

  In FIG. 5, the movable platen 2 of the mold clamping device (only one part is shown) has a mold reversal plate 4, and the mold reversal plate 4 has a movable mold 6 formed with core surfaces MM1 and MM2. Is attached. The fixed mold 5 is attached to the fixed platen 1, and cavity surfaces MF 1 and MF 2 are formed in the fixed mold 5.

  That is, when the mold reversal plate 4 is rotated, the movable mold 6 is rotated, and the core surfaces MM1 and MM2 corresponding to the cavity surfaces MF1 and MF2 are switched. Further, a primary side injection device R and a secondary side injection device that inject resin into cavities 8 and 18 formed by the core surfaces MM1 and MM2 of the movable mold 6 and the cavity surfaces MF1 and MF2 of the fixed mold 5, respectively. F is provided. The primary injection device R is connected to the cavity 8 through the sprue 7, and the secondary injection device F is connected to the cavity 18 through the sprue 9.

Next, a molding sequence of the mold reversal type injection molding machine will be described with reference to FIGS.
As shown in FIG. 6, at the start of molding, resin is injected from the primary injection device R into the cavity 8 formed by the core surface MM1 of the movable mold 6 and the cavity surface MF1 of the fixed mold 5 by semi-automatic molding or manual molding. Is injected through the sprue 7 to form the primary molded product C.

  Next, as shown in FIG. 7, the movable mold 6 rotates 180 degrees by rotating the mold reversal plate 4. Switch to fully automatic molding at this stage. The finished molded product E is a resin from the secondary injection device F on the rotating primary molded product C through the sprue 9 into the gap between the surface of the primary molded product C and the cavity surface MF2 of the fixed mold 5. As a result, the primary molded product C and the secondary molded product D are welded to obtain a finished molded product E.

  At this time, resin is injected into the cavity 8 formed by the core surface MM2 and the cavity surface MF1 through the sprue 7 by the primary side injection device R, and the next primary molded product C is formed. . That is, the primary side injection device R and the secondary side injection device F perform the injection operation to the corresponding cavities 8 and 18 respectively at substantially the same timing.

  After completion of the cooling, the mold is opened and the finished product E is taken out. Thereafter, the movable mold 6 is rotated 180 degrees by rotating the mold reversal plate 4 to complete one cycle.

  Note that the shot count starts counting after switching to the fully automatic molding. Accordingly, the number of shot counts and the number of finished molded products E match (in the case of one-piece).

In FIG. 8, the upper diagram shows a display example of the quality control screen 20, and the lower diagram shows a display example of a certain shot in order to explain the contents of the displayed monitor data.
The quality management screen 20 includes an item display unit 21, a monitor data display unit 22, a shot count display unit 23, a shot molding time display unit 24, and the like.

  The item display unit 21 is divided into an F-side monitoring item 25 related to the secondary-side injection device F and an R-side monitoring item 26 related to the primary-side injection device R, and three monitoring items are set for each. ing. Here, the monitoring items and the number of items can be set and increased or decreased on a separate screen.

  In the monitor data display unit 22, the monitoring data of the monitoring item of the primary injection device R selected by the item display unit 21 and the monitoring data of the monitoring item of the secondary injection device F are injected at substantially the same timing. Each shot is filled in and displayed in the same column. For example, the 40th shot is data at 10:35, the filling time of the secondary side injection device F is 0.60 seconds, the measurement time is 0.42 seconds, the pressure holding completion position is 25.51 mm, and the same time at the same shot. The filling time of the primary side injection device R is 1.0 second, the metering time is 0.19 second, and the pressure holding completion position is 33.94 mm.

  The shot count display unit 23 is the shot order of the molded product, and the shot molding time display unit 24 is the time when the shot was molded.

  Here, paying attention to the finished molded product E, for example, the primary molded product C that directly constitutes the finished molded product E molded in the 25th shot of the lower figure is molded in the previous 24th shot. Become.

JP 2000-309045 A

  Since the monitor data displayed on the monitor data display unit is displayed for each molding time for each shot of the primary-side injection device and the secondary-side injection device that perform the injection operation substantially simultaneously, one completed product is displayed. The monitor data of the directly formed primary molded product and secondary molded product are displayed with a one-stage shift. For this reason, when a certain finished product is defective, there is a problem that it is difficult to quickly check the monitor data of the finished product and solve the quality defect.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a monitor data screen display method and monitor data of a multi-material injection molding machine capable of quickly and easily recognizing a defect in quality of a molded product. An object of the present invention is to provide a screen display device and a monitor data display screen.

  Therefore, the finished molded product is molded by injection molding the primary molded product and the secondary molded product on the primary molded product while sequentially changing the combination of the fixed mold and the movable mold by the mold reversing device. In the monitor data screen display method for displaying the monitor data of the multi-material injection molding machine on the display screen, the monitor data of the primary molded product and the monitor data of the secondary molded product are matched to each finished molded product in the same field. It was supposed to be displayed on one line.

  The monitor data displayed in one line in the same column is distinguished for each combination of the primary side injection device, the secondary side injection device, the fixed mold, and the movable mold. Further, the monitor data can be switched to a list screen for each combination of the entire list screen and the mold by switching the screen.

  The multi-material injection molding machine is a two-material (two-color) injection molding machine.

  The monitor data for the primary molded product and the monitor data for the secondary molded product are displayed in one line in the same list corresponding to each finished molded product, so it is easy to check the monitor data for solving the malfunction when a molding failure occurs. You can do it quickly and reliably.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic view of a mold reversal type injection molding machine showing the present invention, FIG. 2 is a monitor data “display all” display screen showing the present invention, and FIG. 3 is a monitor data “logging color setting” showing the present invention. 4 is a display screen for “only the B surface” of the monitor data indicating the present invention.

  In FIG. 1, a stationary platen 1, a movable platen 2, a stationary mold 5, a movable mold 6, a sprue 7, a cavity 8, a spru 9, a cavity 18, a primary molded product C, a secondary molded product D, and a finished molded product E. The cavity surfaces MF1 and MF2, the core surfaces MM1 and MM2, the primary injection device R and the secondary injection device F are the same as those in FIG.

  A movable platen 2 of a mold clamping device (only one part is shown) mounted on a frame (not shown) has a mold reversal plate 10 that is mounted so as to be able to be rotated and rotated about an axis X. Move forward and backward along.

  On the outer periphery of the mold reversal plate 10, a gear 11 is processed as a rotational force transmitting means. On the other hand, a drive motor 12 is attached to the movable platen 2, and a gear 13 is attached to the rotating shaft portion of the drive motor 12 to mesh with the gear 11 on the outer periphery of the mold reversal plate 10. Therefore, by driving the drive motor 12, the mold reversal rolling plate 10 can be reversed and rotated.

  Further, detection plates 15 and 16 are attached to the mold reversal plate 10, and a sensor 14 is attached to the movable platen 2. As will be described later, depending on whether the sensor 14 detects the detection plate 15 or 16, the combination of the fixed mold 5 and the movable mold 6 facing the primary side injection device R, and the secondary side injection The combination of the fixed mold 5 and the movable mold 6 facing the apparatus F can be known.

  Mounted on the mold reversal plate 10 is a movable mold 6 on which a pair of upper and lower core surfaces MM1 and MM2 having the same drawing dimensions are formed. The fixed mold 5 is attached to the fixed platen 1 of the mold clamping device. The fixed mold 5 includes a cavity surface MF1 for forming the primary molded product C in cooperation with one of the core surfaces MM1 and MM2, and 1 The primary molded product C and the secondary molded product D are welded together by injection molding of the secondary molded product D in cooperation with either the core surface MM1 or MM2 holding the secondary molded product C. A cavity surface MF2 for molding E is formed. The cavity 8 faces the primary injection device R through the sprue 7 and the cavity 18 faces the secondary injection device F through the spru 9.

When the sensor 14 detects the detection plate 15, the primary molded product C is molded by a combination of the primary side injection device R, the cavity surface MF1 of the fixed mold 5, and the core surface MM1 of the movable mold 6. The product E is molded in combination with the secondary injection device F, the cavity surface MF2 of the fixed mold 5, and the primary molded product C (molded by the core surface MM2 of the movable mold 6) (FIG. 1A).
In addition, the core surface MM2 of the movable mold 6 is referred to as A surface, and the core surface MM1 is referred to as B surface.

  When the mold reversal plate 10 rotates 180 degrees and the sensor 14 detects the detection plate 16, the primary molded product C is the primary side injection device R, the cavity surface MF 1 of the fixed mold 5, and the core of the movable mold 6. The finished product E is formed by a combination with the surface MM2, and the finished product E is composed of the secondary injection device F, the cavity surface MF2 of the fixed mold 5, and the primary product C (formed by the core surface MM1 of the movable mold 6). Molded by combination (FIG. 1B).

  Although these two core surfaces MM1 and MM2 have the same drawing size, they cannot be the same size due to variations in processing. Therefore, the primary injection device R should have optimum molding conditions for each combination with the cavity surface MF1. However, in the past, the same molding conditions were used regardless of the combination of the core surfaces MM1 and MM2.

  Similarly, in the finished molded product E, the secondary side injection device F should have optimum molding conditions corresponding to the dimensional variation of the primary molded product C. I was trying.

Next, a fully automatic molding sequence of the mold reversal type injection molding machine having the above configuration will be described.
The sensor 14 attached to the movable platen 2 detects the detection plate 15 and faces the primary side injection device R on the B side and the secondary side injection device on the A side.
After the mold clamping is completed, the secondary side injection device F and the primary molded product C are formed on the primary molded product C which has been molded by the A surface in the previous shot and then rotated to a position facing the secondary side injection device F. The secondary molded product D is molded by injecting the resin through the spru 9 into the gap with the cavity surface MF2. As a result, the primary molded product C is covered with the secondary molded product D, and a finished molded product E is obtained.

  On the other hand, the primary side injection device R injects resin into the cavity 8 formed between the B surface and the cavity surface MF1 through the sprue 7 to form the primary molded product C (FIG. 1A).

  After cooling is completed, the movable mold 6 is moved in the direction of the axis X and opened. In this case, the primary molded product C on the B surface and the finished molded product E on the A surface are held in a state of being held on the core surfaces MM1 and MM2 by heat shrinkage due to cooling.

  Next, the finished molded product E is taken out from the A side. The drive motor 12 is actuated to rotate the mold reversal plate 10 via the gear 13 and the gear 11, and the movable mold 6 is rotated 180 degrees around the X axis. Then, when the sensor 14 detects the detection plate 16, the core surface MM <b> 1 that is the B surface holding the primary molded product C is opposed to the cavity surface MF <b> 2 of the fixed mold 5.

  The mold clamping is completed again, and the secondary molded product D is injected into the gap between the primary molded product C and the cavity surface MF2 by the secondary injection device F. At the same time, the primary injection device R injects the resin between the A surface and the cavity surface MF1 through the sprue 7 to form the primary molded product C (FIG. 1B).

  After completion of the cooling, the mold is opened and the finished molded product E is taken out from the B surface facing the secondary injection device F. Thereafter, this operation is sequentially repeated at regular intervals to perform molding continuously.

  In FIG. 2, the quality management screen 30 includes an item display unit 31, a quality management data display unit 32, a monitor data display unit 33, a shot count display unit 23, a shot molding time display unit 24, and the like. The shot count display unit 23 and the shot molding time display unit 24 are the same as those in FIG.

  The item display unit 31 is divided into an F-side monitoring item 35 of the secondary-side injection device F and an R-side monitoring item 35 of the primary-side injection device R related to the quality of the finished molded product E, and five items are displayed. ing. Here, the monitoring items and the number of items can be increased / decreased and set on a separate screen.

  The quality control data display unit 32 calculates the numerical value shown in the monitor data with the quality control data of the item selected by the item display unit 31, and calculates the average of each of the primary molded product C and the secondary molded product D. The value, maximum value, minimum value, standard deviation value, etc. are displayed. The meanings indicated by shading and diagonal lines in the background of the maximum value and minimum value columns in the table will be described later.

  The monitor data of the monitor data display unit 33 includes the data of the primary side injection device R of the primary molded product C and the secondary molded product D which directly constitute the finished molded product E in the order of molding shot and shot time. The data of the secondary injection device F is displayed in one line in the same column. For example, the data in the column of the shot count 40 is the data of the 40th shot on the conventional display screen for the data on the secondary side injection device F, and the data on the primary side injection device R is the 39th on the conventional display screen. The shot is displayed.

That is, in the column of the shot count 40, the monitor data of the primary molded product C and the monitor data of the secondary molded product D of the 40th completed molded product E are displayed.
In this way, when a molding defect occurs by displaying the monitor data of the primary molded product C and the monitor data of the secondary molded product D in the same column and line in correspondence with the finished molded product E. The monitor data of the defective product can be easily confirmed.

  Further, as described above, since the finished molded product E is based on the A surface and the B surface, for example, the data on the A surface is “blue (displayed with shading)”, and the data on the B surface is “ “Pink (displayed with diagonal lines)”.

  Therefore, by looking at the color of the data entered in column 32 of the quality control data display section, it is easy to quickly determine whether the upper and lower limits that determine the quality of a molded product are generated from either side A or B. I can judge.

  For example, the maximum value of the “F” minimum action position is 24 · 85 and the minimum value is 24 · 79. This maximum value is based on the 38th shot (blue, shaded) of the monitor data display unit 33. The minimum value is based on the 41st shot (pink color, diagonal lines).

The display switching SW 36 displays the contents entered in the monitor data display section 33, and there are three types of switching screens, which can be displayed by selecting “Display all”, “A surface only” and “B surface only”. The case of FIG. 2 is an example of “display all”.
The display switching SW 37 is a SW for switching to a screen for setting the display color of monitor data.

In FIG. 3, when the switch SW 37 in FIG. 2 is clicked and further a logging color setting SW (not shown) is clicked, a logging color setting screen 38 is displayed. Here, by selecting a display color, an easy-to-view screen that suits the operator's preference can be obtained.
For example, the display color of the A side can be selected as blue (shaded), and the display color of the B side can be selected as pink (hatched).

  In FIG. 4, this screen is switched to the display of “B side only”. For this reason, the data displayed on the monitor data display unit 33 is only the B surface displayed in pink (hatched). Accordingly, only the odd numbers such as 37, 39, and 41 are displayed as the count numbers of the shot count display section 23.

  However, since the final molded product E is finally obtained in the quality control data display section 32, the quality control data calculated from all the data including all of the A side and B side are entered and displayed. Has been.

  In addition, when a defective product is generated and quality control data for only side A or a combination of side B is desired to resolve it, quality control data for only side A and quality control data for side B are displayed. You may make it do.

  Conventionally, there is no concept of quality control for each combination of the injection device and the mold in quality control, and the setting of the pass / fail judgment criteria for the primary molded product and the secondary molded product is set to the combination of the injection device and the mold. It was common regardless. Therefore, when trying to perform quality control with a mold having a poor cavity balance, there is a case where the pass / fail judgment standard has to be set wide and there is no meaning for pass / fail judgment.

  The configuration of the present invention is as described above. In the monitor data screen display method, the monitor data screen display device, and the monitor data display screen of the mold reversal type injection molding machine, the primary product that directly configures the finished molded product. Since the data of the molded product and the secondary molded product are displayed in the same column in one line and distinguished by color coding etc., it is possible to quickly check the monitor data related to the quality at the time of molding defect occurrence, so that the defect can be solved reliably. become.

  In addition, monitor data for each combination of injection device, mold core and cavity can be displayed as a list, so quality control standards can be set individually (all data, A side, B side). Therefore, it is possible to set an optimum pass / fail discrimination width for each combination of the injection device and the mold, and the yield rate is improved.

  In the display screen form of the present embodiment, the same column and line are used, but it is needless to say that the same column and line may be used.

Schematic of mold reversal type injection molding machine showing the present invention Display screen of “display all” of monitor data indicating the present invention Setting screen of "Logging color setting" of monitor data showing the present invention Display screen of “B side only” of monitor data indicating the present invention Schematic diagram of conventional mold reversal type injection molding machine Schematic showing a first molding operation of a conventional mold reversal type injection molding machine Schematic showing a second molding operation of a conventional mold reversal type injection molding machine Schematic explanatory diagram of the monitor data display part of a conventional mold reversal type injection molding machine

Explanation of symbols

23 Shot count display section 24 Shot molding time display section 30 Quality control screen 31 Item display section 32 Quality management data display section 33 Monitor data display section 34 R side monitoring item 35 F side monitoring item 36 Display switching SW
37 Display switching SW

Claims (13)

A multi-material that forms a finished molded product by injection molding a primary molded product and a secondary molded product on the primary molded product while sequentially changing the combination of a fixed mold and a movable mold by a mold reversing device. In the monitor data screen display method for displaying the monitor data of the injection molding machine on the display screen,
The multi-material injection molding machine characterized in that the monitor data of the primary molded product and the monitor data of the secondary molded product are displayed on the display screen in a single line corresponding to each finished molded product. Monitor data screen display method.   The monitor data displayed in one line of the same column is distinguished for each combination of a primary side injection device, a secondary side injection device, the fixed mold, and the movable mold. Display method for monitor data of multi-material injection molding machine.   3. The method for displaying monitor data on a multi-material injection molding machine according to claim 2, wherein the distinction for each line in the same column is based on color, shading, oblique lines, and the like.   2. The monitor data screen display of the multi-material injection molding machine according to claim 1, wherein the monitor data displayed in one line in the same column can be switched to a list screen for every combination of a full list screen and a mold by screen switching. Method. A multi-material that forms a finished molded product by injection molding a primary molded product and a secondary molded product on the primary molded product while sequentially changing the combination of a fixed mold and a movable mold by a mold reversing device. In the monitor data screen display method for displaying the monitor data of the injection molding machine on the display screen,
The multi-material injection molding machine characterized in that the monitor data of the primary molded product and the monitor data of the secondary molded product are displayed on the display screen in a single line corresponding to each finished molded product. Monitor data screen display device.   6. The monitor data displayed in one line of the same column is distinguished for each combination of a primary side injection device, a secondary side injection device, the fixed mold, and the movable mold. Display device for monitor data of multi-material injection molding machines.   7. The monitor data screen display device for a multi-material injection molding machine according to claim 6, wherein the distinction for each line in the same column is based on color, shading, oblique lines, and the like.   6. The monitor data screen display of the multi-material injection molding machine according to claim 5, wherein the monitor data displayed in one line in the same column can be switched to a list screen for each combination of a full list screen and a mold by screen switching. apparatus. A multi-material that forms a finished molded product by injection molding a primary molded product and a secondary molded product on the primary molded product while sequentially changing the combination of a fixed mold and a movable mold by a mold reversing device. In the monitor data screen display method for displaying the monitor data of the injection molding machine on the display screen,
The multi-material injection molding machine characterized in that the monitor data of the primary molded product and the monitor data of the secondary molded product are displayed on the display screen in a single line corresponding to each finished molded product. Monitor data display screen.   The monitor data displayed in one line of the same column is distinguished for each combination of a primary side injection device, a secondary side injection device, the fixed mold, and the movable mold. Monitor data display screen for multi-material injection molding machines.   11. The monitor data display screen of a multi-material injection molding machine according to claim 10, wherein the distinction for each line in the same column is based on color, shading, oblique lines, and the like.   The monitor data display screen of the multi-material injection molding machine according to claim 9, wherein the monitor data displayed in one line in the same column can be switched to a list screen for each combination of molds and a full list screen by switching screens. .   The multi-material injection molding machine according to claim 1, wherein the multi-material injection molding machine is a two-material (two-color) injection molding machine.

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