JP6667356B2 - Glass forming equipment - Google Patents

Description

  The present invention relates to a glass forming apparatus for forming a glass molded product by pressing a glass material using a mold.

  Conventionally, as this type of technology, for example, a technology described in Patent Document 1 shown below is known. Patent Document 1 discloses a mold molded product inspection system that determines the quality of molded products. In this system, a molded product is obtained by comparing and matching the three-dimensional image data and the three-dimensional shape measurement data of the molded product with the three-dimensional reference image data and three-dimensional shape reference measurement data of a good molded product. Is determined.

  Patent Literature 2 discloses a monitoring apparatus for a molding die that determines the quality of a product by processing an image of a die surface on which the product is molded.

  This monitoring device captures an image of the mold surface of the movable mold with a television camera when the product is formed well and when the product is discharged well. Then, a product area extraction pattern, an inspection area, and an inspection threshold are determined by performing image processing on a captured image obtained by imaging. The monitoring device determines the quality of the product by processing an image of the mold surface on which the product is formed using these parameters.

JP 2007-237667 A JP-A-11-232461

    In the above-described conventional technique, the quality of a molded product is determined based on image data of the molded product, measurement data of the molded product, image data of a mold, and the like.

  However, in the related art, although the quality of a molded product is determined, the quality of a mold that has molded the molded product is not determined based on the quality of the molded product. For this reason, there was a problem that it was not possible to grasp the quality of the mold that is actually molding the molding material in the molding step of molding the molded article.

  An object of the present invention is to provide a glass forming apparatus that determines the quality of a mold based on the determination result of the quality of a glass molded product formed using the mold.

  The glass forming apparatus of the present invention is a molding unit that presses a glass material installed in a mold to form a glass molded product, and an inspection determination unit that performs quality judgment of the glass molded product molded by the molding unit. , And the inspection determination unit further determines the quality of the mold used for molding the glass molded product.

  The glass forming apparatus preferably includes a mold discharge determination unit that performs a discharge determination of the mold based on a determination result of the inspection determination unit.

  Preferably, the glass forming apparatus is configured to set a discharge condition for discharging the mold from a forming process of the forming unit, and the mold discharge determination unit satisfies the discharge condition. The mold is discharged from the molding step.

  Preferably, the glass forming apparatus is configured such that the discharge condition is such that the quality determination result of the glass molded product molded by the same mold is continuously determined as a defective product, and the number of times of the defective product determination continuous determination of the mold, the same die The number of defective product judgments of the mold in which the quality judgment result of the glass molded product molded in the mold was determined to be defective, the ratio of the total number of defective product judgments to the total number of moldings performed with the same mold. At least one of them.

  The glass molding apparatus is preferably such that the inspection determination unit includes an inspection table on which the glass molded product is placed, a light source that illuminates the glass molded product, an imaging unit that captures an appearance of the glass molded product, and the glass. A determination unit for determining the quality of the molded product.

  Preferably, in the glass forming apparatus, the mounting unit for mounting the glass molded product formed by the forming unit is a transparent flat plate, and the inspection table rotates around a vertical axis with respect to the flat plate.

  In the glass forming apparatus, preferably, the light source is arranged below the inspection table, and illuminates the glass molded product placed on the transparent plate from below the transparent plate.

  Preferably, in the glass forming apparatus, the imaging unit includes at least one of a top-view imaging unit that captures an upper surface of the glass molded product and a side-view imaging unit that captures a side surface of the glass molded product.

  In the glass forming apparatus, preferably, the determination unit sets an inspection item for performing quality judgment of the glass molded product formed by the molding unit, and the inspection item is satisfied by an image captured by the imaging unit. At this time, it is determined that the glass molded product is defective, and the quality of the mold that has formed the glass molded product is also determined.

  Preferably, the glass forming apparatus, the quality judgment result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit that stores the glass molded product, and the mold that molded the glass molded product It has a display unit for displaying in association with the display.

  Preferably, the glass forming apparatus, the display unit, the quality of the glass molded product stored in the glass molded product storage unit in one display screen, and the mold that molded the glass molded product. In addition to displaying them in association with each other, a discharge condition for discharging the mold from the molding process of the molding section and a setting condition of an inspection item for performing quality judgment of the glass molded product are displayed.

  The glass forming apparatus is preferably such that the display unit associates the pass / fail determination result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit with the mold that molded the glass molded product. When displaying, the display color of the background screen on which the mold number of the mold that molded the glass molded article is displayed is changed based on the pass / fail judgment result of the inspection judgment unit.

  Preferably, the glass forming apparatus is configured such that the display unit is configured to determine whether the glass molded product stored in the glass molded product storage unit is good or bad in the inspection determination unit, and a mold number of the mold that molded the glass molded product. Is displayed in correspondence with the display color of the background screen on which is displayed.

  ADVANTAGE OF THE INVENTION According to the glass forming apparatus of this invention, the glass forming apparatus which determines the quality of a metal mold | die based on the determination result of the quality of the glass molded product shape | molded using the metal mold can be provided.

It is a figure showing composition of a glass forming device concerning an embodiment of the present invention. It is a figure showing composition of an inspection judging part of a glass forming device concerning an embodiment of the present invention. It is a figure showing an example of the appearance of a glass cast formed by a glass forming device concerning an embodiment of the present invention. It is a top view and a side view of a glass molded product formed by a glass forming apparatus according to an embodiment of the present invention. It is a figure showing one example of a display which a display part of a glass forming device concerning an embodiment of the present invention displays.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

(Embodiment)
The configuration of the glass forming apparatus according to the embodiment of the present invention will be described with reference to FIG.

  In FIG. 1, the glass forming apparatus 1 includes a forming unit 11, an inspection determining unit 12, a mold discharge determining unit 13, a display unit 14, and a control unit 15.

  The molding unit 11 press-molds a glass material placed in a mold by press molding mainly for heating, pressing and cooling to form a glass molded product.

  The inspection determination unit 12 includes a molded product determination unit 12A and a mold determination unit 12B.

  The molded product determination unit 12A inspects the glass molded product molded by the molding unit 11 to determine the quality. The mold determination unit 12B determines the quality of the mold used to mold the glass molded product.

  The mold discharge determination unit 13 determines a mold to be discharged from a series of molding steps for molding a glass material, based on the determination result of the mold given by the mold determination unit 12B.

  The display unit 14 is provided on, for example, an operation console where an operator performs various input operations on the glass forming apparatus 1. The display unit 14 includes a touch panel (not shown) and a display (not shown). The touch panel is a transparent panel such as a pressure-sensitive type or an electrostatic type disposed on the front surface of the display unit 14. The display is arranged on the back surface of the touch panel, and includes a display such as a liquid crystal display for displaying various display screens based on a command from the control unit 15 described later.

  The operator can perform various input operations by directly touching the surface of the touch panel with a finger or the like while watching the screen of the display. Thus, the display unit 14 has a function as an input device.

  The control unit 15 functions as a control center for controlling the operation of the present glass forming apparatus 1. The control unit 15 includes, for example, a microcomputer that includes a CPU that controls various operation processes based on a program, a storage unit, and the like. The control unit 15 stores a program for executing a control sequence for controlling the operation of the glass forming apparatus 1 in the storage unit.

  By executing the program stored in the storage unit, the control unit 15 manages all operations performed by the present glass forming apparatus 1 including the operation of performing the forming process of the forming unit 11 and the display operation of the display unit 14. And control.

  The details are as follows.

  As illustrated in FIG. 2, the inspection determination unit 12 includes an inspection table 21, a backlight 22, a top-view camera 23, a side-view camera 24, and a determination unit 25. The determination unit 25 includes a molded product determination unit 12A and a mold determination unit 12B.

The inspection table 21 has a structure in which rotation is controlled by an actuator (not shown) that functions as a rotation mechanism having a vertical axis passing through the center of the inspection table 21 as a rotation axis.
The inspection table 21 rotates the glass molded product 26 placed on the inspection table 21 by rotating about the rotation axis by an actuator controlled by the control unit 15.
At this time, it is preferable that the glass molded product 26 is placed on the inspection table 21 so that the central axis of the inspection table 21 and the central axis of the glass molded product 26 are aligned.

  The backlight 22 is arranged below the inspection table 21, and illuminates the glass molded product 26 placed on the inspection table 21 from below the inspection table 21 via the transparent inspection table 21. The backlight 22 is a light source for illuminating the glass molded product 26 placed on the inspection table 21.

  The top view camera 23 is disposed above the inspection table 21 and captures an image of the upper surface of the glass molded product 26 placed on the inspection table 21 by an imaging device such as a CCD. The top view camera 23 gives an image of the upper surface of the glass molded product 26 obtained by imaging to the molded product determination unit 12A of the determination unit 25. The top view camera 23 is a top view imaging unit.

  The side view camera 24 is arranged on the side of the inspection table 21, and captures an image of a side surface of the glass molded product 26 placed on the inspection table 21 by an imaging device such as a CCD. The side view camera 24 gives an image of the side surface of the glass molded product 26 obtained by imaging to the molded product determination unit 12A of the determination unit 25. The side view camera 24 is a side view imaging unit.

  The top-view imaging unit and the side-view imaging unit constitute an imaging unit. The imaging unit may include at least one of a top-view imaging unit and a side-view imaging unit.

  The molded product determination unit 12A of the determination unit 25 inspects a detection value of an inspection item set in advance to determine the quality of the glass molded product 26 based on images given from the top view camera 23 and the side view camera 24. I do. The die determination unit 12B of the determination unit 25 determines the quality of the die formed from the glass molded product based on the detection value (inspection result) of the inspection item.

  The molded article determination unit 12A and the mold determination unit 12B of the determination unit 25 are configured by, for example, a microcomputer including a CPU that controls various operation processes based on a program, a storage unit, and the like. The molded product determination unit 12A of the determination unit 25 performs image processing for inspecting a detection value for an inspection item, and stores a program for determining the quality of the glass molded product 26 in the storage unit. The die determination unit 12B of the determination unit 25 performs image processing for inspecting a detection value for an inspection item, and stores a program for determining the quality of the die molded from the glass molded product 26 in the storage unit.

  By executing the program stored in the storage unit, the molded product determination unit 12A of the determination unit 25 processes the image of the glass molded product 26 from the top view and the side view, and inspects the detection value of the inspection item.

  The inspection items include, for example, inspection item 1, inspection item 2, inspection item 3, and inspection item 4, which will be described later. At least one of the inspection items 1 to 4 is selected and set. In addition, a plurality of inspection items 1 to 4 can be set by selecting any two or more inspection items.

  Note that the functions provided in the molded article determination unit 12A and the mold determination unit 12B of the determination unit 25 may be performed by the control unit 15 described later instead of the determination unit 25.

  Here, an example of the glass molded article 26 for inspecting the inspection items is shown in FIGS.

  FIG. 3 is a perspective view showing the appearance of the glass molded product 26. 4A is a top view showing a top view of the glass molded product 26 shown in FIG. 3, FIG. 4B is a side view showing a long side view of the glass molded product 26 shown in FIG. 3, FIG. 4C is a side view showing a side view of the short side of the glass molded product 26 shown in FIG.

As shown in FIG. 3, the glass molded product 26 has three regions extending in the long side direction in the short side direction, one is an intermediate flat portion 34 a having a flat shape, and the other two are: Curved portions 34b and 34c having curved shapes at both ends of the intermediate flat portion.
More specifically, the glass molded product 26 includes an upper surface 34 (intermediate flat portion 34a, curved portions 34b, 34c), a side surface 35 (short side sides 35b, 35d, and long side sides 35a, 35c). Having.

  In addition, when viewed from above, it is a square molded product as shown in FIG.

  Further, the side surfaces 35 (side surfaces 35a to 35d) constitute a plate-thick surface of the molded product as shown in FIG.

  The glass molded product 26 is used as a cover glass that covers a display screen of a mobile terminal such as a smartphone or a tablet computer.

  Inspection item 1 is the size of the scratch on the upper surface 34 (34a to 34c) of the glass molded product 26 shown in FIGS.

  The molded product determination unit 12A of the determination unit 25 determines whether the upper surface 34 of the glass molded product 26 has irregularities (surface roughness) equal to or greater than a preset threshold. The molded product determination unit 12A of the determination unit 25 determines that there is a scratch when the upper surface 34 of the glass molded product 26 has irregularities equal to or larger than a threshold. On the other hand, when there is no unevenness equal to or larger than the threshold on the upper surface 34 of the glass molded product 26, the molded product determination unit 12A of the determination unit 25 determines that there is no scratch. The threshold is set to, for example, about 100 (μm).

  Inspection item 2 is the size of the flaws on the side surfaces 35b and 35d of the glass molded product 26 and the curved portions 34b and 34c of the upper surface 34 viewed from the side as shown in FIGS.

  The molded product determination unit 12A of the determination unit 25 determines whether or not the side surfaces 35b and 35d of the glass molded product 26 and the curved portions 34b and 34c of the upper surface 34 viewed from the side have irregularities equal to or greater than a preset threshold. The molded product determination unit 12A of the determination unit 25 determines that there is a flaw when the side surfaces 35b and 35d of the glass molded product 26 and the curved portions 34b and 34c of the upper surface 34 viewed from the side have irregularities equal to or larger than a threshold. . On the other hand, the molded product determination unit 12A of the determination unit 25 determines that there is no flaw when the side surfaces 35b and 35d of the glass molded product 26 and the curved portions 34b and 34c of the upper surface 34 viewed from the side have no irregularities equal to or larger than the threshold. judge. The threshold is set to, for example, about 100 (μm).

  By rotating the inspection table 21 at angles of 90 °, 180 °, and 270 ° with respect to the initial position of 0 °, the short side surfaces 35b and 35d of the glass molded product 26 were viewed from the side. The curved portions 34b and 34c of the upper surface 34 are respectively imaged facing the front of the side view camera 24. Here, the initial position refers to a state in which any one of the short side surfaces 35b and 35d and the curved portions 34b and 34c of the upper surface 34 viewed from the side faces the front of the camera 24 when viewed from the side. It is.

  When the size of the flaw on the side surface and the curved portion of the glass molded product 26 is set as the inspection item 2, the short sides 35b and 35d of the glass molded product 26 and the curved portions 34b and 34c of the upper surface 34 are included. The surface to be inspected for scratches can be arbitrarily selected.

  The inspection item 3 is a length L1 in the long side direction and a length L2 in the short side direction of the glass molded product 26.

  The molded product determination unit 12A of the determination unit 25 determines whether the length L1 in the long side direction and the length L2 in the short side direction of the glass molded product 26 fall within a preset reference dimension. Here, the reference dimension is set to include an error of, for example, about ± 10 (μm).

  When the length L1 in the long side direction and the length L2 in the short side direction of the glass molded product 26 are within the reference dimensions, the molded product determination unit 12A of the determination unit 25 determines the length of the glass molded product 26. The length L1 in the side direction and the length L2 in the short side direction are determined to be within the reference dimensions.

  On the other hand, if the length L1 or the length L2 in the long side direction of the glass molded product 26 is not within the reference size, the molded product determination unit 12A of the determination unit 25 The length L1 in the long side direction or the length L2 in the short side direction is determined to be outside the reference dimension.

  The inspection item 4 is the height H of the glass molded product 26.

  The molded product determination unit 12A of the determination unit 25 determines whether or not the height H of the glass molded product 26 falls within a preset reference dimension. Here, the reference dimension is set to include an error of, for example, about ± 10 (μm).

  When the height H of the glass molded product 26 is within the reference size, the molded product determination unit 12A of the determination unit 25 determines that the height of the glass molded product 26 is within the reference size. On the other hand, when the height H of the glass molded product 26 is not within the reference size, the molded product determination unit 12A of the determination unit 25 determines that the height H of the glass molded product 26 is outside the reference size.

  The molded product determining unit 12A of the determining unit 25 determines that the inspected glass molded product 26 has no flaws and that the lengths in the long side direction and the short side direction are within the reference dimensions. The molded product 26 is determined to be good. The molded product determination unit 12A of the determination unit 25 determines that the glass molded product 26 is defective when it is determined that there is a flaw or at least the length in the long side direction or the short side direction is outside the reference dimensions.

  The mold determination unit 12B of the determination unit 25 determines the quality of the mold that has formed the glass molded product 26 whose quality has been determined based on the quality determination result of the glass molded product 26. That is, the mold determination unit 12B of the determination unit 25 determines that the mold formed from the glass molded product 26 determined to be non-defective is non-defective.

  On the other hand, when the glass molded product 26 is determined to be defective, it is determined whether the cause of the glass molded product 26 being determined to be defective in one determination is due to the mold, or other causes, such as dust on the glass during molding. It is difficult to determine whether or not the sheet has adhered and has been determined to be defective. Therefore, when the glass molded product 26 is determined to be defective, the mold determination unit 12B of the determination unit 25 determines that the mold formed from the glass molded product 26 determined to be defective has a possibility of failure. Is determined.

  The mold determination unit 12B of the determination unit 25 determines the quality of the mold as well as the mold number assigned to each mold in order to identify each mold. Give to.

  Referring to FIG. 1 again, the mold discharge determination unit 13 determines a mold to be discharged based on at least one of the following mold discharge determination items 1 to 3 (discharge conditions). .

  The detection value of the mold discharge judgment item 1 is the number of times that the quality judgment result of the glass molded product 26 molded by the same mold is determined to be continuously defective (the number of consecutive defective product judgments). It is.

  The detection value of the mold discharge determination item 2 is the total number of times (the total number of defective product determinations) that the quality determination result of the glass molded product 26 molded by the same die is determined to be possibly defective. .

  The detection value of the mold discharge judgment item 3 is a ratio of the total number of defective product judgments to the total number of times (total number of times of molding) performed by the same mold.

  When the detected value of the mold discharge determination item 1 reaches a first predetermined value set in advance, the mold discharge determination unit 13 determines that the mold formed from the glass molded product 26 is to be discharged as a defective product. When the detected value of the mold discharge determination item 1 does not reach the first predetermined value, the mold discharge determination unit 13 determines that the mold formed of the glass molded product 26 is not defective and does not discharge the glass. .

  When the detected value of the mold discharge determination item 2 reaches the second predetermined value set in advance, the mold discharge determination unit 13 determines that the mold formed from the glass molded product 26 is to be discharged as a defective product. When the detected value of the mold discharge determination item 2 does not reach the second predetermined value, the mold discharge determination unit 13 determines that the mold formed from the glass molded product 26 is not defective and does not discharge the glass. .

  When the detected value of the mold discharge determination item 3 reaches the third predetermined value set in advance, the mold discharge determination unit 13 determines that the mold formed from the glass molded product 26 is to be discharged as a defective product. When the detected value of the mold discharge determination item 3 does not reach the third predetermined value, the mold discharge determination unit 13 determines that the mold formed from the glass molded product 26 is not defective and does not discharge the mold. .

  The mold ejection determination unit 13 determines the mold to be ejected based on the detection values of the two or three mold ejection determination items set among the detection values of the mold ejection determination items 1 to 3. When the detection values of all the set mold ejection determination items reach the predetermined value, it is determined that the mold is ejected. Alternatively, the mold discharge determination unit 13 determines that the mold is to be discharged when at least one or more of the detected values of the mold discharge determination items have reached the predetermined value.

  The mold discharge determination unit 13 is configured by, for example, a microcomputer including a CPU that controls various operation processes based on a program, a storage unit, and the like. The mold discharge determination unit 13 stores a program for performing the above-described determination in the storage unit.

  The mold ejection determination unit 13 executes a program stored in the storage unit, and thereby executes a first predetermined value (first threshold value) to a third predetermined value (first threshold value) corresponding to the detection values of the mold ejection determination items 1 to 3. (Third threshold value) to determine the die to be discharged.

  Under the control of the control unit 15, the display unit 14 is housed in a glass molded product storage unit (not shown) for storing a glass molded product 26 and a glass molded product storage unit as shown in FIG. The mold numbers of the molds that have formed the molded glass articles 26 are displayed in association with each other.

  The display unit 14 compares the validity and invalidity of the inspection items 1 to 4 used by the molded product determination unit 12A of the determination unit 25, and the detected values of the mold discharge determination items 1 to 3 used by the mold discharge determination unit 13. Is displayed.

  As described above, the operator can perform various input operations by directly touching the surface of the touch panel with a finger or the like while watching the screen of the display. Thus, the display unit 14 has a function as an input device.

  The display unit 14 uses the function as the input device to determine the validity and invalidity of the inspection items 1 to 4 used in the molded product determination unit 12A of the determination unit 25, and the mold discharge used in the mold discharge determination unit 13. A predetermined value serving as a reference for the detection values of the determination items 1 to 3 can be set. More specifically, the display unit 14 can input the first predetermined value to the third predetermined value, which serve as references for the detection values of the mold discharge determination items 1 to 3.

  FIG. 5 is a diagram showing an example of a display screen in which the storage location in the glass molded product storage section (not shown) and the die number of the die are associated with each other and displayed on the display section 14. FIG. 5 is a display screen showing the setting status of the validity and invalidity of the inspection items 1 to 4 and the setting status of the first to third predetermined values corresponding to the mold ejection determination items 1 to 3. It is a figure showing an example.

  In FIG. 5, the first display frame 51 displays molded article information (storage section information, storage location number in the storage section, mold number used for molding, molded article quality judgment result, etc.). In the displayed display example, the glass molded article storage section (storage section information) includes, for example, a first storage section, a second storage section, a third storage section, and a fourth storage section for storing the glass molded article. . For example, ten storage locations (storage location numbers) for storing one glass molded product 26 are provided in each of the first to fourth storage sections. For example, the numbers of the storage locations 1 to 10 are assigned to the respective storage locations.

  In the first display frame 51 shown in FIG. 5, the mold numbers 11 to 20 used for molding are displayed in association with the respective storage locations 1 to 10 of the first storage section. The storage location where the mold numbers 11 to 20 are displayed indicates that the glass molded product 26 is stored.

  The glass molded product 26 stored in each storage location is formed by a die having a die number displayed in association with each storage location. For example, it is indicated that the glass molded product 26 stored in the first storage location of the first storage portion has been formed by the die of the die number 11.

  On the other hand, in the display example shown in FIG. 5, the glass molded product 26 is not stored in each of the storage locations of the second storage section to the fourth storage section where the mold number is not displayed.

  In such a display, the background screen on which the mold number is displayed according to the inspection determination result of the glass molded product 26 (result of quality determination of the molded product) changes its display color according to the inspection result of the glass molded product 26. . That is, the stored glass molded product 26 is displayed with different display colors between the good product and the defective product.

  An example of the correspondence relationship between the inspection result of the glass molded product 26 (result of quality determination of the molded product) and the display color of the background screen on which the mold number used for molding the first display frame 51 is displayed will be described. Shown in four display frames 54. In the correspondence displayed in the fourth display frame 54, when the stored glass molded product 26 is not inspected, the background screen on which the mold number is displayed is displayed in, for example, white. If the stored glass molded product 26 is a good product, the background screen on which the mold number is displayed is displayed in, for example, blue. If a scratch or the like is detected on the surface or side surface of the glass molded product 26 and the glass molded product 26 becomes defective, and the inspection is NG, the background screen on which the mold number is displayed is displayed in, for example, orange. This inspection NG is a case where the glass molded product 26 is defective in one or both of the inspection items 1 and 2 described above. When the dimensions of the stored glass molded product 26 do not fall within the reference dimensions and become defective and the size becomes NG, the background screen on which the mold number is displayed is displayed in yellow, for example. This size NG is a case where the glass molded product 26 is defective in one or both of the inspection items 3 and 4 described above. In a series of molding steps for molding the glass molded article 26, when the glass molded article 26 molded in excess of a predetermined time required for any molding step, for example, a pressing step, is stored, The background screen on which the mold number is displayed is displayed, for example, in pink. In a series of molding steps for molding the glass molded article 26, if any of the molding steps, for example, the pressing step, is performed and the molded glass molded article 26 is stored and the molding is NG, the mold number is changed. The displayed background screen is displayed, for example, in red.

  As described above, by changing the display color of the background screen on which the mold number of each storage location where the glass molded product 26 is stored is changed in accordance with the inspection result of the glass molded product 26, the stored glass molded product is changed. The presence or absence of the inspection of the product 26, the quality of the inspection, and the content of the defect can be easily grasped. In addition, by providing a legend for the molded product quality judgment result in the fourth display frame 54 on the display unit 14, the display color of the background screen on which the inspection result of the glass molded product 26 and the mold number of the first display frame 51 are displayed is displayed. Can be easily grasped.

  In FIG. 5, the second display frame 52 displays the above inspection items 1 to 4 (conditions for judging the quality of molded products) and the setting status thereof. In the display example shown in FIG. 5, the inspection item 1 and the inspection item 3 are displayed as valid, and are set as the inspection items. On the other hand, inspection item 2 and inspection item 4 are displayed as invalid, and are not set as inspection items.

  The test items 1 to 4 are set by selecting valid / invalid by, for example, touching and operating the location where valid / invalid is displayed by the operator using the input function of the display device described above. can do. Note that the inspection items are not limited to these four items, and can be set arbitrarily, such as only one item or two or more items.

  In FIG. 5, the third display frame 53 includes, as mold ejection determination conditions, the first predetermined value to which the mold ejection judgment items 1 to 3 and the detection values of the mold ejection judgment items 1 to 3 are compared. The third predetermined value is displayed in association with the third predetermined value.

  The first to third predetermined values to be compared with the detection values of the mold discharge determination items 1 to 3 are determined by the operator using the input function of the display device described above. 3 It can be set by inputting a predetermined value. Therefore, when the first to third predetermined values are not displayed and are blank, the first to third predetermined values are not displayed and the mold discharge determination item 1 is blank. No. to 3 are not set. Note that the mold discharge determination items are not limited to these three items, and can be set freely such as only one item or a plurality of items of two or more items.

  As described above, at least the display contents (molded article information [storage section information, storage location number in the storage section, mold number used for molding, molded article quality judgment result]) displayed in the first display frame 51, and the second The display contents (molded product quality judgment conditions) displayed in the display frame 52 and the display contents (mold discharge judgment conditions) displayed in the third display frame 53 are all displayed simultaneously on one screen of the display unit 14. Further, the display content (legend of the result of the determination of the quality of the molded product) displayed in the fourth display frame 54 may be displayed together.

  As described above, in the above embodiment according to the present invention, the following effects can be obtained.

  The glass forming apparatus 1 of this embodiment performs a molding section 11 that presses a glass material placed in a mold to form a glass molded article 26, and determines the quality of the glass molded article 26 molded by the molding section 11. An inspection determination unit 12 is provided. The inspection determination unit 12 further determines the quality of the mold used to form the glass molded product 26.

The glass forming apparatus 1 adopts the above-described configuration, and based on the determination result of the quality of the glass molded product 26, whether the mold for molding the glass molded product 26 whose quality is determined is good or defective. It can be determined whether there is a possibility.

  Thereby, the glass forming apparatus 1 can check whether the mold is a good product without discharging the mold from the molding process when the mold is actually flowing through the molding process to form the glass molded product 26. Alternatively, it is possible to determine whether there is a possibility of a defective product.

  The mold is in a high temperature state higher than the temperature at which the mold can be imaged by the camera when the mold is in circulation. For this reason, even if the mold is ejected from the molding process, it is not possible to immediately approach the camera and take an image of the mold due to the high temperature of the mold. Therefore, when determining the quality of a mold based on a captured image of the mold, it is necessary to wait until the temperature of the mold can be imaged by a camera, and it takes time to determine the quality.

  On the other hand, the glass forming apparatus 1 can determine whether the mold is non-defective or possibly defective based on the quality of the glass molded product 26. You do not need to wait until it falls. Accordingly, the glass forming apparatus 1 can reduce the determination time as compared with the case where the determination is performed by directly imaging the mold.

  The glass forming apparatus 1 of this embodiment includes a mold discharge determination unit 13 that performs a mold discharge determination based on the determination result of the inspection determination unit 12.

  By adopting the above configuration, the glass forming apparatus 1 can determine the die to be discharged based on the determination result of whether the die is a good product or a defective product.

  In the glass forming apparatus 1 of this embodiment, the mold discharge determination unit 13 sets discharge conditions for discharging the mold from the molding process of the molding unit 11 and determines whether or not the quality of the mold satisfies the discharge condition. The mold is discharged from the molding process.

  By adopting the above configuration, the glass forming apparatus 1 can set the discharge condition for discharging the mold from the forming process of the forming unit 11 and determine the die to be discharged based on the set discharge condition.

  In the glass forming apparatus 1 of this embodiment, the discharge condition includes at least one of the number of consecutive defective product determinations, the total number of defective product determinations, and the ratio of the total number of defective product determinations to the total number of moldings.

  By adopting the above configuration, the glass forming apparatus 1 determines the quality of the mold based on the discharge condition based on the mold determined to be possibly defective, so that the quality of the mold is accurately determined. By making the determination, the defective mold can be reliably discharged.

  In the glass forming apparatus 1 according to this embodiment, the inspection determination unit 12 includes an inspection table 21 on which the glass molded product 26 is placed, and a backlight 22 as a light source that illuminates the glass molded product 26. The inspection determination unit 12 includes a top-view camera 23 and a side-view camera 24 of an imaging unit that captures an appearance of the glass molded product 26, and a molded-product determination unit 12A of a determination unit 25 that determines the quality of the glass molded product 26. ing.

  By adopting the above configuration, the glass forming apparatus 1 can image and inspect the glass molded product 26 with the top view camera 23 and the side view camera 24, and can use the image obtained by the imaging to inspect the glass molded product 26. Can be determined.

  In the glass forming apparatus 1 of this embodiment, the inspection table 21 is configured such that a mounting portion for mounting the glass molded product 26 formed by the forming unit 11 is formed of a transparent flat plate, and rotates around a vertical axis with respect to the flat plate. .

  By adopting the above configuration, the glass forming apparatus 1 can image the four side surfaces of the glass molded product 26 toward the front of the side view camera 24 without moving the side view camera 24.

  In the glass forming apparatus 1 of this embodiment, the light source of the backlight 22 is disposed below the transparent flat platen inspection table 21, and the glass molded product 26 placed on the inspection table 21 is moved from below the inspection table 21. Light up.

  By employing the above configuration, the glass forming apparatus 1 can obtain a good captured image of the glass molded product 26 when the glass molded product 26 is imaged by the top view camera 23 and the side view camera 24.

  In the glass forming apparatus 1 of this embodiment, the imaging unit includes a top view camera 23 of a top view imaging unit that captures an upper surface of the glass molded product 26, and a side view camera of a side view imaging unit that captures a side surface of the glass molded product 26. 24, at least one of them.

  By employing the above configuration, the glass forming apparatus 1 can image and inspect at least one of the top view and the side view of the glass molded product 26.

In the glass forming apparatus 1 of this embodiment, the molded product determination unit 12A of the determination unit 25 sets an inspection item for performing the quality determination of the glass molded product 26 molded by the molding unit 11. When the inspection item is satisfied by the image captured by the imaging unit, the molded product determination unit 12A of the determination unit 25 determines that the glass molded product 26 is defective, and the mold determination unit 12B of the determination unit 25.
Determines the quality of the mold that has formed the glass molded product 26.

  By adopting the above configuration, the glass forming apparatus 1 can determine the quality of the glass molded product 26 based on an image obtained by imaging the glass molded product 26 by the imaging unit. Furthermore, the glass forming apparatus 1 can determine the quality of the mold that has formed the glass molded product 26.

  The glass forming apparatus 1 according to the present embodiment includes a glass molded article 26 that accommodates a glass molded article 26, a quality determination result of the inspection determination unit 12 of the glass molded article 26 stored in the glass molded article storage unit, and a mold that forms the glass molded article 26. And a display unit 14 for displaying the items in association with each other.

  By adopting the above configuration, the glass forming apparatus 1 can display the quality of the glass molded product 26 stored in the glass molded product storage unit and the mold in which the glass molded product 26 is formed in association with each other. . As a result, the glass forming apparatus 1 is configured to mold the non-defective glass molded product 26 or to mold the defective glass molded product 26 and determine that there is a possibility of a defective product. It can be easily grasped.

  In the glass forming apparatus 1 of this embodiment, the display unit 14 determines whether or not the glass molded product 26 stored in the glass molded product storage unit is good or not in one display screen, and a mold that forms the glass molded product 26. Are displayed in association with each other. The display unit 14 further displays the discharge condition and the setting status of the inspection item.

  By adopting the above configuration, the glass forming apparatus 1 collectively uses a single display screen to determine whether or not the stored glass molded product 26 is good, the mold in which the glass molded product 26 has been formed, the discharge conditions, and the inspection items. Can be easily grasped.

DESCRIPTION OF SYMBOLS 1 Glass molding apparatus 11 Molding part 12 Inspection determination part 12A Molded part determination part 12B Die determination part 13 Die discharge determination part 14 Display part 15 Control part 26 Glass molded part

Claims (13)

A molding unit for molding a glass molded product by pressing a glass material installed in a mold,
An inspection determination unit that determines the quality of the glass molded product molded by the molding unit,
With
The test determination unit further have line quality determination of the mold used to mold the molded glass article,
A die discharge determination unit that performs a discharge determination of the die based on a determination result of the inspection determination unit,
The mold discharge determination unit sets a discharge condition for discharging the mold from the molding process of the molding unit, and when the result of the quality determination of the mold satisfies the discharge condition, molds the mold. A glass forming apparatus characterized by discharging from a process . The discharge conditions are as follows: the quality determination result of the glass molded product molded by the same mold is continuously determined to be defective. At least one of the ratio of the total number of defective product determinations to the total number of defective product determinations of the mold in which the quality determination result of the product is determined to be defective, and the total number of moldings performed with the same mold is given. The glass forming apparatus according to claim 1, comprising: The inspection determination unit, an inspection table on which the glass molded product is placed,
A light source for illuminating the glass molded article,
An imaging unit for imaging the appearance of the glass molded product,
A determining unit for determining the quality of the glass molded product,
Glass forming apparatus according to claim 1 or claim 2, characterized in that it comprises a. A molding unit for molding a glass molded product by pressing a glass material installed in a mold,
An inspection determination unit that determines the quality of the glass molded product molded by the molding unit,
With
The inspection determination unit further performs quality determination of the mold used to mold the glass molded product,
The inspection determination unit, an inspection table on which the glass molded product is placed,
A light source for illuminating the glass molded article,
An imaging unit for imaging the appearance of the glass molded product,
A determining unit for determining the quality of the glass molded product,
With
The glass forming apparatus of the inspection table, wherein a mounting portion for mounting the glass molded product formed by the forming portion is formed of a transparent flat plate, and rotates around a vertical axis with respect to the flat plate . The glass according to claim 4 , wherein the light source is arranged below the inspection table, and illuminates the glass molded article placed on the transparent flat plate from under the transparent flat plate. Molding equipment. The imaging unit is a top-view imaging unit that images the top surface of the glass molded product,
Of the side view imaging unit that images the side surface of the glass molded product,
The glass forming apparatus according to any one of claims 3 to 5, further comprising at least one . The determination unit sets an inspection item for performing quality judgment of the glass molded product molded by the molding unit, and when the inspection item is satisfied by an image captured by the imaging unit, the glass molding is performed. The glass according to any one of claims 3 to 6 , wherein it is determined that the product is defective, and the quality of the mold that has formed the glass molded product is also determined. Molding equipment. A display unit for displaying the quality judgment result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit for storing the glass molded product in association with the mold that molded the glass molded product. glass forming apparatus according to any one of claims 1 to 7, characterized in that it comprises a. A molding unit for molding a glass molded product by pressing a glass material installed in a mold,
An inspection determination unit that determines the quality of the glass molded product molded by the molding unit,
With
The inspection determination unit further performs quality determination of the mold used to mold the glass molded product,
A display unit for displaying the quality judgment result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit for storing the glass molded product in association with the mold that molded the glass molded product. Has,
The display unit, in a single display screen, while the quality determination result of the glass molded product stored in the glass molded product storage unit, while displaying in association with the mold that molded the glass molded product, A glass forming apparatus for displaying a discharge condition for discharging the mold from a forming step of the forming section and a setting state of an inspection item for performing quality judgment of the glass molded product . The display unit, in a single display screen, while the quality determination result of the glass molded product stored in the glass molded product storage unit, while displaying in association with the mold that molded the glass molded product, The glass forming apparatus according to claim 8 , wherein a discharge condition for discharging the mold from a forming process of the forming unit and a setting state of an inspection item for performing quality judgment of the glass formed product are displayed. apparatus. A molding unit for molding a glass molded product by pressing a glass material installed in a mold,
An inspection determination unit that determines the quality of the glass molded product molded by the molding unit,
With
The inspection determination unit further performs quality determination of the mold used to mold the glass molded product,
A display unit for displaying the quality judgment result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit for storing the glass molded product in association with the mold that molded the glass molded product. Has,
The display unit, when the pass / fail determination result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit, and when displaying in association with the mold that molded the glass molded product, the display unit, A glass forming apparatus characterized by changing a display color of a background screen on which a mold number of the mold formed with a glass molded product is displayed, based on a pass / fail judgment result of the inspection judgment unit . The display unit, when the pass / fail determination result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit, and when displaying in association with the mold that molded the glass molded product, the display unit, 10. The glass forming apparatus according to claim 9 , wherein a display color of a background screen on which a mold number of the mold that has formed the glass molded product is displayed is changed based on a result of the pass / fail judgment of the inspection judgment unit. . The display unit is a background screen on which the quality determination result of the inspection determination unit of the glass molded product stored in the glass molded product storage unit and a mold number of the die that molded the glass molded product are displayed. The glass forming apparatus according to claim 11 , wherein a correspondence relationship with a display color is displayed.

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