WO2017122510A1 - Dispositif de détection de déplacement de moule et procédé de détection de déplacement de moule pour des moules supérieur et inférieur - Google Patents

Dispositif de détection de déplacement de moule et procédé de détection de déplacement de moule pour des moules supérieur et inférieur Download PDF

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Publication number
WO2017122510A1
WO2017122510A1 PCT/JP2016/088068 JP2016088068W WO2017122510A1 WO 2017122510 A1 WO2017122510 A1 WO 2017122510A1 JP 2016088068 W JP2016088068 W JP 2016088068W WO 2017122510 A1 WO2017122510 A1 WO 2017122510A1
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WIPO (PCT)
Prior art keywords
mold
distance
measuring means
distance measuring
lower molds
Prior art date
Application number
PCT/JP2016/088068
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English (en)
Japanese (ja)
Inventor
酒井　毅
斗紀也 寺部
康仁 菅沼
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新東工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 新東工業株式会社 filed Critical 新東工業株式会社
Priority to BR112018011114-7A priority Critical patent/BR112018011114A2/pt
Priority to MX2018006484A priority patent/MX2018006484A/es
Priority to JP2017561564A priority patent/JP6589997B2/ja
Priority to KR1020187014581A priority patent/KR20180103832A/ko
Priority to US15/777,313 priority patent/US20180326475A1/en
Priority to EP16885112.9A priority patent/EP3403742A4/fr
Priority to CN201680064557.9A priority patent/CN108348987B/zh
Publication of WO2017122510A1 publication Critical patent/WO2017122510A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C19/00—Components or accessories for moulding machines
    • B22C19/04—Controlling devices specially designed for moulding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
    • B22C11/12—Moulding machines able to travel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
    • B22C11/02—Machines in which the moulds are moved during a cycle of successive operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D45/00—Equipment for casting, not otherwise provided for

Definitions

  • the present invention relates to an apparatus for detecting misalignment and a method for detecting misalignment of upper and lower molds molded and matched with a frame making machine.
  • the upper and lower molds molded and matched by the frame making machine sometimes cause a shift between the upper mold and the lower mold when the jacket is covered with an impact during transportation.
  • the present invention has been made in view of the above problems, and provides an apparatus and a method capable of detecting a misalignment between upper and lower molds molded and matched with a frame making machine before pouring. Objective.
  • the upper / lower mold misalignment detection apparatus is, for example, as shown in FIGS.
  • a mold misalignment detecting device 40 for the upper and lower molds 2 and 3 which is the molds 2 and 3 and is conveyed to the pouring position, and a plurality of distance measuring means 51 and 52 for measuring the distance to the upper and lower molds 2 and 3. 53 and a calculation means 48 for calculating the amount of misalignment between the upper mold 2 and the lower mold 3 based on the distance to the upper and lower molds 2, 3 measured by the distance measuring means 51, 52, 53.
  • the distance to the upper and lower molds is measured by a plurality of distance measuring means, and the amount of misalignment is calculated based on the measured distance, so that the amount of misalignment can be accurately detected.
  • the upper and lower mold misalignment detection apparatus includes a plurality of distances in the upper and lower mold misalignment detection apparatus 40 according to the first aspect of the present invention, for example, as shown in FIGS. It further includes an elevating means 46 for elevating and lowering the measuring means 51, 52, 53, and has three distance measuring means 51, 52, 53.
  • the three distance measuring means 51, 52, 53 are the upper and lower molds 2, 3
  • the distance to the points 2i, 2j, 2k, 3i, 3j, 3k on the same horizontal plane is measured, and the three distance measuring means 51, 52 and 53 are moved up and down.
  • the upper and lower mold misalignment detecting device 40 includes an upper and lower mold misalignment detecting device 40.
  • 3 has a rectangular horizontal cross-sectional shape, and the three distance measuring means 51, 52, 53 are points 2i, 3i on the first side surfaces 2a, 3a of the upper and lower molds 2, 3 parallel to the conveying direction 7.
  • the first distance measuring means 51 for measuring the distance to the point 2j and the second distance measuring means 52 for measuring the distance from the points 2i and 3i of the first side surfaces 2a and 3a to the points 2j and 3j that are separated by a predetermined distance in the horizontal direction.
  • And third distance measuring means 53 for measuring the distances to the points 2k and 3k of the second side surfaces 2b and 3b of the upper and lower molds 2 and 3 orthogonal to the conveying direction 7.
  • the upper / lower mold type deviation detecting device 40 uses the first distance.
  • the measuring means 51, the second distance measuring means 52, and the third distance measuring means 53 are laser displacement sensors. If comprised in this way, since a 1st distance measurement means, a 2nd distance measurement means, and a 3rd distance measurement means are laser displacement sensors, it can measure distance correctly without contact.
  • the upper and lower mold misalignment detection method includes an upper and lower mold using the upper and lower mold misalignment detection device 40 according to the third aspect of the present invention, for example, as shown in FIGS.
  • a method of moving the first distance measuring means 51, the second distance measuring means 52, and the third distance measuring means 53 to the measurement height of the upper mold 2 by the elevating means 46, and the first distance A step of measuring the distance S11 to the point 2i of the upper mold first side surface 2a by the measuring means 51, a step of measuring the distance S12 to the point 2j of the upper mold first side surface 2a by the second distance measuring means 52; The step of measuring the distance S13 to the point 2k of the upper mold second side surface 2b by the three distance measuring means 53 and the point 2i of the upper mold first side surface 2a measured by the first distance measuring means 51 by the calculating means 48.
  • the first distance measuring means 51 to measure the distance S21 to the point 3i of the lower mold first side surface 3a, and the second distance measuring means 52 to the point 3j of the lower mold first side surface 3a.
  • the distance S21 to the point 3i of the lower mold first side surface 3a, the distance S22 to the point 3j of the lower mold first side surface 3a measured by the second distance measuring means 52, and the third distance measuring means 53 The step of calculating the horizontal position and horizontal rotation angle of the lower mold 3 from the distance S23 to the point 3k of the lower mold second side surface 3b, and the calculated horizontal positions of the upper mold 2 and the lower mold 3 And a step of calculating the amount of mold deviation from the rotation angle in the horizontal direction, and a step of determining a type deviation when the amount of mold deviation is outside a preset allowable range.
  • the upper / lower mold misalignment detection method is applied to the upper and lower molds 2 and 3 determined to be misalignment in the upper / lower mold misalignment detection method according to the fifth aspect of the present invention.
  • the method further includes a step of preventing hot water from being poured. If comprised in this way, since the molten metal is not poured into the mold
  • a method for detecting the mold deviation of the upper and lower molds In the method for detecting the mold deviation of the upper and lower molds according to the fifth aspect of the present invention, Stop molding. If comprised in this way, since the shaping
  • the mold misalignment detection method for the upper and lower molds according to the eighth aspect of the present invention is a mold misalignment detection method for the upper and lower molds according to the fifth aspect of the present invention. Identify the cause of the deviation and display it. With this configuration, the cause of the misalignment is specified and displayed from the state of misalignment, and thus the cause of the misalignment can be easily eliminated.
  • the mold misalignment detection method for the upper and lower molds according to the ninth aspect of the present invention is the mold misalignment detection method according to the fifth aspect of the present invention. Identify the cause of the deviation and correct the operating conditions of the equipment that causes it. With such a configuration, the cause of misalignment is identified from the state of misalignment, the operating conditions of the equipment that becomes the factor are corrected, and the occurrence of misalignment can be eliminated, so that almost no misalignment occurs.
  • the upper and lower mold die displacement detection method according to the tenth aspect of the present invention is not determined as being misalignment in the upper and lower mold displacement detection method according to the fifth aspect of the present invention. Then, it is recorded as data that there is no die shift due to the molding line 30 for transporting the upper and lower molds 2 and 3 from the frame making machine 1 to the pouring position. When configured in this manner, it is recorded as data that there is no mold deviation due to the frame making machine or the molding line, so it can be confirmed that there was no problem of mold deviation during molding.
  • an upper and lower mold die displacement detecting method according to the fifth aspect of the present invention, wherein the calculated upper and lower mold horizontal positions
  • the horizontal rotation angle and the calculated amount of misalignment are recorded as data.
  • a mold misalignment detection method for an upper and lower mold according to the fifth aspect of the present invention, wherein the mold misalignment amount is within a preset allowable range.
  • the caution range set smaller than the allowable range is exceeded, it is displayed that there is a sign of misalignment.
  • the upper / lower mold misalignment detection apparatus includes an upper / lower mold 2 in the upper / lower mold misalignment detection apparatus 60 according to the first aspect of the present invention as shown in FIGS. 3 has a rectangular horizontal cross-sectional shape, and a plurality of distance measuring means 71, 72, 73, 74, 75, 76 are points 2 i on the upper mold first side surface 2 a parallel to the conveying direction in the upper and lower molds 2, 3.
  • First distance measuring means 71 for upper mold that measures the distance S11 up to the second distance
  • second upper mold mold that measures the distance S12 from the point 2i of the upper mold first side surface 2a to the point 2j that is a predetermined distance in the horizontal direction.
  • the positions of the three points of the upper mold and the three points of the lower mold are measured by the six distance measuring means, so that the positions of the upper mold and the lower mold are specified without moving the distance measuring means up and down. Therefore, the amount of misalignment can be detected more quickly and accurately.
  • the upper / lower mold misalignment detecting device 5 according to the fourteenth aspect of the present invention is the same as the upper / lower mold misalignment detecting device 5 according to the first aspect of the present invention.
  • 3 has a rectangular horizontal cross-sectional shape, and a plurality of distance measuring means 8, 9, 11, and 12 measure the distance to the upper mold first side surface 2 a parallel to the transport direction of the upper mold 2.
  • First distance measuring means 8 lower mold first distance measuring means 9 for measuring the distance to the lower mold first side surface 3 a parallel to the conveying direction in the lower mold 3, and upper perpendicular to the conveying direction in the upper mold 2
  • Second mold second distance measurement means 11 for measuring the distance to the mold second side surface 2b, and second mold second distance measurement for measuring the distance to the lower mold second side surface 3b perpendicular to the conveying direction in the lower mold 3.
  • Means 12 With this configuration, the position of the surface perpendicular to the surface parallel to the transport direction of the upper mold and the surface orthogonal to the surface parallel to the transport direction of the lower mold is measured by the four distance measuring means. The positions of the mold and the lower mold can be specified, and thus the amount of mold deviation can be accurately detected.
  • the upper / lower mold misalignment detection apparatus is, for example, as shown in FIGS. 7 and 8, the upper / lower mold misalignment detection apparatus 5 according to the fourteenth aspect of the present invention.
  • the first distance measuring means 8 and the lower mold first distance measuring means 9 are movable by the actuator 10 in the conveying direction of the upper and lower molds 2, 3, and the upper mold second distance measuring means 11 and the lower mold
  • the second distance measuring means 12 is movable by an actuator 13 in a direction perpendicular to the conveying direction of the upper and lower molds 2 and 3.
  • the upper mold first distance measuring means, the lower mold first distance measuring means, the upper mold second distance measuring means, and the lower mold second distance measuring means are parallel to the surface measured by the actuator. Since it is movable, it can be continuously measured at predetermined intervals along the side surface of the mold. Therefore, a large amount of measurement data for determining the misalignment can be acquired, and the misalignment amount can be accurately detected.
  • the upper / lower mold misalignment detection apparatus is an upper mold misalignment detection apparatus 5 according to the fourteenth aspect of the present invention, as shown in FIGS.
  • the first distance measuring means 8, the lower mold first distance measuring means 9, the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 can be moved up and down simultaneously by an actuator 15. If comprised in this way, the alignment of an up-down direction can be performed in a short time.
  • the upper / lower mold misalignment detecting device 5 is used for the upper mold.
  • the first distance measuring means 8, the lower mold first distance measuring means 9, the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are laser displacement sensors.
  • the first distance measuring means for the upper mold, the first distance measuring means for the lower mold, the second distance measuring means for the upper mold, and the second distance measuring means for the lower mold are laser displacement sensors. The distance can be accurately measured by contact.
  • the upper / lower mold misalignment detection method uses an upper / lower mold misalignment detecting device 5 according to the fourteenth aspect of the present invention as shown in FIGS. 7 to 11, for example. And a step of measuring the distance S1 to the upper mold first side surface 2a by the upper mold first distance measuring means 8, and a lower mold first side surface by the lower mold first distance measuring means 9. A step of measuring a distance S2 up to 3a, a step of measuring a distance S3 to the upper mold second side surface 2b by the upper mold second distance measuring means 11, and a lower mold second distance measuring means 12 by the lower mold second distance measuring means 12.
  • the misalignment can be accurately determined.
  • the upper / lower mold misalignment detection method according to the nineteenth aspect of the present invention is the mold misalignment detection method according to the eighteenth aspect of the present invention, as shown in FIGS. 7 to 11, for example.
  • the distance measuring means 8 and the lower mold first distance measuring means 9 are movable in the conveying direction of the upper and lower molds 2, 3 by an actuator 10, and the upper mold second distance measuring means 11 and the lower mold first
  • the two-distance measuring means 12 is movable by an actuator 13 in a direction orthogonal to the conveying direction of the upper and lower molds 2, 3.
  • the measurement of the distances S1, S2, S3, and S4 to the mold side surfaces 2a, 3a, 2b, and 3b by the second mold distance measuring unit 11 and the second mold second distance measuring unit 12 is performed by measuring the mold side surfaces 2a, 3a, At least part of 2b and 3b Continuously measuring at predetermined intervals I. If comprised in this way, since each distance measurement means can move in parallel with the surface measured by an actuator, it can measure continuously for every predetermined interval along a mold side. Therefore, a large amount of measurement data for determining the misalignment can be acquired, and the misalignment amount can be accurately detected.
  • the mold misalignment detection method for the upper and lower molds according to the twentieth aspect of the present invention is the mold misalignment detection method according to the eighteenth aspect of the present invention, as shown in FIGS. 7 to 11, for example. Do not pour the upper and lower molds. If comprised in this way, since the molten metal is not poured into the mold
  • FIG. 1 is a schematic plan view showing a misalignment detection device as one embodiment of the present invention.
  • FIG. 2 is an AA arrow view in FIG. 1.
  • FIG. 3 is a view taken along arrow BB in FIG. 1.
  • It is a schematic diagram for demonstrating the distance measurement to the side surface of an upper casting_mold
  • It is a schematic diagram for demonstrating the distance measurement to the side surface of a lower casting_mold
  • FIG. 8 is a view taken along arrow BB in FIG. 7.
  • reference numeral 1 denotes a frame making machine.
  • the frame making machine 1 means that the upper and lower molds are formed after molding the upper and lower molds using mold sand (green sand in the present embodiment), and then the upper and lower molds are moved from the upper and lower casting frames. It refers to a mold making machine that is pulled out and carried out of the molding machine with only the upper and lower molds.
  • the upper and lower molds 2 and 3 carried out in the direction of the arrow 6 from the frame forming machine 1 are placed on the surface plate carriage 4 at a position adjacent to the frame forming machine 1.
  • the upper and lower molds 2 and 3 placed on the surface plate carriage 4 are in the state of a continuous mold group, and one arrow (one mold) at a time by a conveying means (a pusher device and a cushion device) not shown. 7 is intermittently conveyed in the direction of 7 (the conveying direction of the upper and lower molds 2 and 3).
  • the platen carriage 4 travels on the rail 20 supported by the frame 22.
  • a mold deviation detecting device 40 for the upper and lower molds 2 and 3 is disposed at a position adjacent to the upper and lower molds 2 and 3 that are intermittently conveyed.
  • the misalignment detection device 40 as the first embodiment will be described in detail.
  • the transport direction of the upper and lower molds 2 and 3 is referred to as the Y-axis direction
  • the direction orthogonal to the transport direction of the upper and lower molds 2 and 3 is referred to as the X-axis direction
  • the upper and lower directions are referred to as the Z-axis direction.
  • the mold misalignment detection device 40 has three distance measuring means 51, 52, and 53 arranged along the transport direction (Y-axis direction) of the upper and lower molds 2 and 3 to be transported.
  • the three distance measuring means 51, 52, 53 are placed on a lifting frame 44 that extends in the Y-axis direction.
  • the lifting frame 44 is moved in the vertical direction by the cylinder 46 as an actuator, that is, lifted and lowered.
  • the cylinder 46 is supported by a support frame 42 erected from the foundation.
  • the cylinder 46 as an actuator may be any type of cylinder such as electric, hydraulic, hydraulic, or atmospheric pressure.
  • the actuator is not limited to the cylinder 46, and may be other known means such as a trapezoidal screw or a pantograph.
  • the support frame 42 may be fixed to the frame 22 without being erected from the foundation.
  • the elevating frame 44 is a beam having a length of almost one frame of the upper and lower molds 2 and 3 in the Y-axis direction. Distance to the points 2i and 3i of the first side surfaces 2a and 3a near the rear end of the elevating frame 44 in the conveying direction of the upper and lower molds 2 and 3 and parallel to the conveying direction of the upper and lower molds 2 and 3 (Y-axis direction)
  • the first distance measuring means 51 for measuring is mounted.
  • a second distance measuring means 52 for measuring the distance to the points 2j, 3j of the first side surfaces 2a, 3a is placed in front of the lifting frame 44 in the conveying direction of the upper and lower molds 2, 3.
  • the points 2j and 3j are on the same horizontal plane as the points 2i and 3i, and are separated from each other by a predetermined distance.
  • the predetermined distance is a horizontal distance suitable for calculating the center position and rotation angle of the upper and lower molds 2 and 3 from the positions of the three points, as will be described later.
  • the distance to the points 2k and 3k of the second side surfaces 2b and 3b perpendicular to the conveying direction of the upper and lower molds 2 and 3 is measured.
  • the third distance measuring means 53 is placed.
  • the points 2k and 3k are on the same horizontal plane as the points 2i, 3i, 2j, and 3j.
  • the first distance measuring means 51 and the second distance measuring means 52 measure the distance to the points 2i, 3i, 2j, 3j of the first side surfaces 2a, 3a parallel to the lifting frame 44, so that the lifting frame It is preferable to face the direction (X-axis direction) perpendicular to the direction 44 (Y-axis direction).
  • the third distance measuring means 53 is directed obliquely from the lifting frame 44 in order to measure the distance to the points 2k, 3k of the second side surfaces 2b, 3b orthogonal to the lifting frame 44.
  • the first to third distance measuring means 51 arranged in a substantially line on the lifting frame 44, By 52 and 53, it is possible to measure the distance, that is, the position to three points on the plane (not on the line).
  • the mold deviation detection device 40 does not become an obstacle to the transport of the upper and lower molds 2 and 3 to be transported.
  • the first to third distance measuring means 51, 52, and 53 also move up and down. Therefore, the first to third distance measuring means 51, 52, 53 are moved up and down to the height at which the points 2i, 2j, 2k of the upper mold 2 are measured and the height at which the points 3i, 3j, 3k of the lower mold 3 are measured. To do. Accordingly, the three distance measuring means 51, 52, 53 can measure the positions of a total of six points including the three points of the upper mold 2 and the three points of the lower mold 3.
  • the points 2i, 2j, 2k of the upper mold 2 and the points 3i, 3j, 3k of the lower mold 3 are set to predetermined heights from the parting surfaces 19 of the upper mold 2 and the lower mold 3.
  • the predetermined heights of the points 2i, 2j and 2k of the upper mold 2 and the predetermined heights (actually low) of the points 3i, 3j and 3k of the lower mold 3 may be the same or different.
  • the points 2i, 2j, and 2k are set on a horizontal plane that is 100 mm higher than the parting plane 19
  • the points 3i, 3j, and 3k are set on a horizontal plane that is 100 mm lower than the parting plane 19.
  • the height from the upper surface of the surface plate carriage 4 to the parting surface 19 is the height of the lower mold 3.
  • the height of the lower mold 3 is measured for each lower mold 3 molded by the frame making machine 1 and is grasped when measured by the mold misalignment detection device 40.
  • the positions of the points 2i, 2j, and 2k are known, the center position of the upper mold 2 and the horizontal rotation angle are calculated. Is done. Therefore, in the case of a rectangular cross section, the coordinates of the four corners are calculated. Similarly, if the positions of the points 3i, 3j, and 3k are known, the center position of the lower mold 3 and the horizontal rotation angle are calculated. Therefore, in the case of a rectangular cross section, the coordinates of the four corners are calculated. It is assumed that the upper and lower molds 2 and 3 are placed horizontally on the surface plate carriage 4.
  • the calculation means 48 calculates the center position, the rotation angle in the horizontal direction, and the coordinates of the four corners in the case of a rectangular cross section.
  • the calculation means 48 may be provided as a dedicated calculation means for the mold deviation detection device 40, or the molten metal is supplied to the frame making machine 1, the molding line 30 for conveying the upper and lower molds 2, 3, or the upper and lower molds 2, 3. You may incorporate in the control apparatus of other apparatuses, such as the pouring machine (not shown) which pours. That is, the calculation means 48 may be a control device.
  • a laser displacement sensor may be used as the first to third distance measuring means 51, 52, 53.
  • a laser displacement sensor By using a laser displacement sensor, accurate measurement can be performed without contact.
  • the first to third distance measuring means 51, 52, 53 can be configured compactly.
  • the first to third distance measuring means 51, 52 and 53 are not limited to laser displacement sensors, and other known displacement sensors such as ultrasonic displacement sensors and contact displacement sensors may be used.
  • the upper and lower molds 2, 3 formed by the frame making machine 1 are placed on the surface plate carriage 4 at the mold carry-in station 17.
  • the upper and lower molds 2 and 3 placed on the surface plate carriage 4 are intermittently conveyed on the molding line 30.
  • the mold misalignment detection station 18 that is, when the upper and lower molds 2 and 3 stop at a predetermined position with respect to the mold misalignment detection apparatus 40, the mold misalignment detection is performed by the mold misalignment detection apparatus 40.
  • stopping at a predetermined position means that the first to third distance measuring means 51, 52, 53 of the mold deviation detecting device 40 have three points 2i, 2j, 2k of the upper mold 2 and three points 3i of the lower mold 3. It means stopping at a position where the distance between 3j and 3k can be easily measured. That is, the position at which the upper and lower molds 2 and 3 are temporarily stopped when being intermittently conveyed is not directly beside the mold deviation detecting device 40 but slightly shifted back and forth.
  • the third distance measuring means 53 can measure the distances to the points 2k and 3k of the second side surfaces 2b and 3b.
  • the mold deviation detection device 40 first adjusts the lifting frame 44 to the height at which the three points 2i, 2j and 2k of the upper mold 2 are measured by the cylinder 46. . That is, it is adjusted to a predetermined height from the parting surface 19.
  • the first distance measuring means 51 measures the distance S11 to the point 2i
  • the second distance measuring means 52 measures the distance S12 to the point 2j
  • the third distance measuring means 53 measures the distance S13 to the point 2k.
  • the measured distances S11, S12, and S13 are transmitted to the calculation means 48, and the calculation means 48 calculates the horizontal center position and rotation angle of the upper mold 2.
  • the cylinder 46 is used to measure the three points 3i, 3j, 3k of the lower mold 3 with the lifting frame 44. Match the size.
  • the first distance measuring means 51 measures the distance S21 to the point 3i
  • the second distance measuring means 52 measures the distance S22 to the point 3j
  • the third distance measuring means 53 measures the distance S23 to the point 3k. This measurement is performed while the upper and lower molds 2 and 3 are stopped by intermittent conveyance.
  • the measured distances S21, S22, S23 are transmitted to the calculation means 48, and the calculation means 48 calculates the horizontal center position and rotation angle of the lower mold 3.
  • the first distance measuring means 51 measures the distance S21 to the point 3i
  • the second distance measuring means 52 measures the distance S22 to the point 3j
  • the third distance measuring means 53 measures the distance S23 to the point 3k.
  • the lifting frame 44 is adjusted to the height at which the three points 2i, 2j, 2k of the upper mold 2 are measured, the distance S11 to the point 2i is set by the first distance measuring means 51, and the point 2j is set by the second distance measuring means 52.
  • the distance S12 may be measured by the third distance measuring means 53 to the distance S13 up to the point 2k. Further, the measurement by the first to third distance measuring means 51, 52, 53 may be performed in any order or simultaneously.
  • the calculation means 48 calculates the position coordinates of the four corners of the rectangle from the center positions and rotation angles of the upper mold 2 and the lower mold 3. Then, the distance between the horizontal coordinates of the four corners of the upper mold 2 and the lower mold 3 facing each other is calculated.
  • the mold deviation is determined based on the distance between the horizontal coordinates of the four corners of the upper mold 2 and the lower mold 3 which are calculated by the calculation means 48. For example, when the allowable range of the distance between the horizontal coordinates is 0.5 mm or less, the allowable range is 0 to 0.5 mm. It is determined whether the four corner shifts are within the allowable range, and the mold shift is determined. This determination may be performed by a calculation unit dedicated to the mold deviation detection device 40 or may be performed by a control device of another device. If any one of the four corners exceeds the permissible range, it may be determined as misalignment, and if two, three, or all four exceed the permissible range, it is determined as misalignment. Also good.
  • the misalignment may be determined using the shift of the center position and the shift of the rotation angle. The determination result of the misalignment is sent to, for example, a control device of the molding line 30 or a pouring machine (not shown).
  • the clamp of the surface plate carriage 4 is released, and the upper and lower molds 2 and 3 are intermittently conveyed again. Then, before pouring, the upper and lower molds 2 and 3 are covered with a jacket (not shown), and a weight is placed on the upper surface of the upper mold 2. Thereafter, hot water is poured from a pouring machine (not shown).
  • the misalignment detection by the misalignment detection device 40 may be performed after a jacket is placed and a weight is further placed.
  • the mold misalignment detecting device 40 includes three points 2i and 2j on the upper and lower molds 2 and 3 by first to third distance measuring means 51, 52 and 53 on a lifting frame 44 separated from the upper and lower molds 2 and 3 by a predetermined distance. Since the misalignment is detected by measuring the distance to 2k, 3i, 3j, and 3k, if the measurement of 3 points 2i, 2j, 2k, 3i, 3j, and 3k is not disturbed by the jacket, cover the jacket. It can be measured even from.
  • the upper and lower molds 2 and 3 that are misaligned should not be poured with a pouring machine. That is, the control device of the pouring machine controls the upper and lower molds 2 and 3 that have received the determination that the mold has shifted so as not to pour hot water. Since no hot water is poured into the upper and lower molds 2 and 3 in which mold misalignment occurs, consumption of the molten metal due to wasteful pouring can be prevented.
  • the molding with the frame making machine 1 is stopped until the cause of the mold deviation is eliminated. Therefore, since it is possible to avoid the molding of the upper and lower molds 2 and 3 that cause mold misalignment, consumption of foundry sand due to unnecessary molding can be prevented.
  • “stopping the molding with the frame making machine 1” may be performed without molding, and the frame forming machine 1 may be operated without molding. Alternatively, only the molding line 30 may be operated without operating the frame making machine 1.
  • the upper mold 2 when it is determined that there is a misalignment as a result of the misalignment detection, it is preferable to identify and display the cause of misalignment from the misalignment situation. For example, when the upper mold 2 is displaced rearward from the lower mold 3 with respect to the mold extrusion direction (the direction of the arrow 6 in FIG. 1) of the frame making machine 1, the lower mold is moved by a mold extrusion device (not shown). It is thought that the initial speed when pushing out 3 is too fast. Further, when the upper mold 2 is displaced rearward from the lower mold 3 with respect to the direction of travel of the molding line 30 (the direction of the arrow 7 in FIG. 1), a pusher device (not shown) pushes the platen carriage 4.
  • the factor can be specified by the direction of deviation between the upper mold 2 and the lower mold 3. Therefore, by displaying the identified factors, it is easy to recognize the contents to be repaired by the operator and to easily eliminate the cause of the misalignment.
  • the cause of occurrence of the specified misalignment may be displayed by the display panel of the misalignment detection device 40, a specific display panel, or a control device of another device.
  • the cause of misalignment when it is determined as a result of misalignment as a result of misalignment detection, it is preferable to identify the cause of misalignment from the state of misalignment and correct the operating conditions of the equipment that causes the misalignment. For example, when the upper mold 2 is displaced rearward from the lower mold 3 with respect to the mold extrusion direction (the direction of the arrow 6 in FIG. 1) of the frame making machine 1, the lower mold is moved by a mold extrusion device (not shown). It is thought that the initial speed when pushing out 3 is too fast. In this case, the initial speed of the mold extrusion apparatus is corrected as the operating condition of the equipment that becomes a factor.
  • the setting of the initial speed is automatically or manually corrected so that the initial speed of the mold extruding device becomes slow. In this way, the occurrence of mold shift from the next cycle is eliminated.
  • the initial speed of the pusher device is corrected as the operating condition of the equipment that becomes a factor.
  • the setting of the initial speed is automatically or manually corrected so that the initial speed of the pusher device becomes slow. In this way, the occurrence of mold shift from the next cycle is eliminated.
  • the die displacement caused by the frame making machine 30 or the molding line 30 for transporting the upper and lower molds 2 and 3 from the frame forming machine 1 to the pouring position It is preferable to store the absence of data as data. By recording data in this way, even if a defect is found in the product, it can be confirmed that there is no problem of misalignment during molding, and the cause can be easily investigated. Note that the data may be stored in the calculation unit 48 or a control device of another device.
  • the horizontal position and horizontal rotation angle of the upper mold 2 and the lower mold 3 calculated by the calculation means 48 and the calculated amount of mold deviation is recorded.
  • the horizontal position and horizontal rotation angle of the upper mold 2 and the lower mold 3 and the calculated amount of misalignment is accumulated.
  • data useful for investigating the cause of deviation and for maintaining and managing the blank frame molding machine 1 or the molding line 30 is accumulated.
  • stored may be the control means of the calculating means 48 or another apparatus.
  • the display indicating that there is a sign of misalignment may be displayed on the display panel of the misalignment detection device 40, a specific display panel, or a control device of another device.
  • the mold deviation detecting device 60 includes points 2i and 2j on the first side surface 2a of the upper mold 2, points 2k on the second side surface 2b, points 3i and 3j on the first side surface 3a of the lower mold 3, and second side surfaces.
  • a first distance measuring means 71 for upper mold, a second distance measuring means 72 for upper mold, a third distance measuring means 73 for upper mold, a first distance measuring means 74 for lower mold, The lower mold second distance measuring means 75 and the lower mold third distance measuring means 76 are provided.
  • the upper mold first distance measuring means 71, the upper mold second distance measuring means 72, and the upper mold third distance measuring means 73 are positions suitable for measuring the points 2i, 2j, 2k of the upper mold 2. Is mounted on the horizontal frame 64.
  • the lower mold first distance measuring means 74, the lower mold second distance measuring means 75 and the lower mold third distance measuring means 76 are positions suitable for measuring the points 3i, 3j and 3k of the lower mold 3. Is mounted on the horizontal frame 66.
  • the two horizontal frames 64 and 66 are fixed to the support frame 62. That is, it is not lifted or lowered by the actuator.
  • the positions of the three points of the upper mold 2 and the three points of the lower mold 3 are measured by the six distance measuring means 71 to 76, so that the upper mold 2 and The center position and rotation angle of the lower mold 3 can be specified. Therefore, the amount of misalignment can be detected more quickly and accurately. Further, since the lifting frame is not lifted or lowered by the actuator, the distances to the points 2i, 2j, 2k, 3i, 3j, 3k of the upper and lower molds 2, 3 can be measured simultaneously by the six distance measuring means 71-76. Therefore, the operation time of the mold shift detection device 60 can be shortened.
  • the mold deviation detection device 5 includes an upper mold first distance measuring means 8 that measures the distance to the upper mold first side surface 2a parallel to the Y-axis direction. And the lower mold 1st distance measurement means 9 which measures the distance to the lower mold 1st side surface 3a parallel to a Y-axis direction is provided.
  • the upper mold first distance measuring means 8 and the lower mold first distance measuring means 9 are movable in the Y-axis direction by a first cylinder 10 as an actuator.
  • the mold deviation detecting device 5 includes the upper mold second distance measuring means 11 for measuring the distance to the upper mold second side surface 2b parallel to the X-axis direction. And the lower mold
  • the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are movable in the X-axis direction by a second cylinder 13 as an actuator.
  • the first cylinder 10 and the second cylinder 13 are mounted on the same lifting frame 14 (see FIG. 8).
  • the lifting frame 14 is movable in the Z-axis direction by a third cylinder 15 as an actuator. That is, it can be moved up and down.
  • the third cylinder 15 is attached to the support frame 16.
  • the support frame 16 is erected on the base 21.
  • laser displacement sensors are used as the first distance measuring means 8 for the upper mold, the first distance measuring means 9 for the lower mold, the second distance measuring means 11 for the upper mold, and the second distance measuring means 12 for the lower mold.
  • electric cylinders are used as the first cylinder 10, the second cylinder 13, and the third cylinder 15.
  • the platen carriage 4 is first carried into the mold carry-in station 17 by carry-in means (not shown).
  • the upper and lower molds 2, 3 are unloaded from the frame making machine 1 in the direction of the arrow 6 and placed on the surface plate carriage 4.
  • the upper and lower molds 2, 3 placed on the platen carriage 4 are intermittently conveyed by one pitch in the direction of the arrow 7 by the conveying means and sent to the mold deviation detection station 18.
  • the mold displacement detection station 18 detects the mold displacement of the upper and lower molds 2 and 3. Here, the detection of the deviation of the upper and lower molds 2 and 3 will be described in detail. First, the platen carriage 4 in the mold displacement detection station 18 is clamped by a platen carriage clamp means (not shown), and the position is fixed.
  • the elevating frame 14 is raised or lowered to perform alignment in the Z-axis direction.
  • Each distance measuring means is arranged so that the center of the distance (height) between the projection centers of the second mold distance measuring means 12 is the same.
  • the raising / lowering frame 14 is raised or lowered so that the centers of both of the above-described same are matched with the height of the parting surface 19 of the upper and lower molds 2 and 3.
  • the height from the upper surface of the surface plate carriage 4 to the parting surface 19 is the same as the height of the lower mold 3. Since the height of the lower mold 3 is measured every time by a measurement means (for example, an encoder) (not shown) in the frame making machine 1, the height of the parting surface 19 described above can be grasped every time.
  • a measurement means for example, an encoder
  • the upper mold first distance measuring means 8 and the lower mold first distance measuring means 9 are reciprocated in the Y-axis direction.
  • the moving stroke L1 (see FIG. 7) is set to 300 mm, which is about half the size of the upper and lower molds 2 and 3 in this embodiment.
  • the distance in the X-axis direction to the side surfaces of the upper and lower molds 2 and 3 is measured for the reciprocal movement.
  • the upper mold first distance measuring means 8 measures the distance S1 from the tip surface of the upper mold first distance measuring means 8 to the upper mold first side surface 2a.
  • the lower mold first distance measuring means 9 measures the distance S2 from the tip surface of the lower mold first distance measuring means 9 to the lower mold first side surface 3a.
  • the distances S1 and S2 are measured by continuously measuring at least a part of each mold side surface (the range of the stroke L1 in this embodiment) at predetermined intervals along each mold side surface. In the present embodiment, measurement is performed a plurality of times continuously every 1 mm along each mold side surface. In the return of the reciprocating movement, the distances S1 and S2 are not measured, and the upper mold first distance measuring means 8 and the lower mold first distance measuring means 9 are moved to their original positions.
  • the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are reciprocated in the X-axis direction.
  • the movement stroke L2 (see FIG. 1) is set to 200 mm, which is shorter than half of the dimensions of the upper and lower molds 2 and 3.
  • the distance in the Y-axis direction to the side surfaces of the upper and lower molds 2 and 3 is measured for the reciprocal movement.
  • the upper mold second distance measuring means 11 measures a distance S3 from the tip surface of the upper mold second distance measuring means 11 to the upper mold second side surface 2b.
  • the lower mold second distance measuring means 12 measures the distance S4 from the tip surface of the lower mold second distance measuring means 12 to the lower mold second side surface 3b.
  • the distances S3 and S4 are measured by continuously measuring at least a part of each mold side surface (the range of the stroke L2 in this embodiment) at predetermined intervals along each mold side surface. In the present embodiment, measurement is performed a plurality of times continuously every 1 mm along each mold side surface. In the return of the reciprocating movement, the distances S3 and S4 are not measured, and the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are moved to their original positions.
  • the clamp of the platen carriage 4 in the mold displacement detection station 18 is released by the platen carriage clamp means.
  • the upper and lower molds 2 and 3 and the platen carriage 4 in the mold deviation detection station 18 are intermittently conveyed by one pitch in the direction of the arrow 7 by the conveying means and are sent out from the mold deviation detection station 18.
  • the upper and lower molds 2 and 3 sent out from the mold deviation detection station 18 are covered with a jacket (not shown) in a later process, and a weight (not shown) is placed on the upper surface of the upper mold 2. .
  • the upper and lower molds 2 and 3 are poured.
  • a difference S5 between the distances S1 and S2 is obtained, and this is compared with a preset range (allowable range).
  • the preset range is obtained by giving an allowable range to a reference value that is a design dimension.
  • the reference value is 7 mm and the allowable range is ⁇ 0.5 mm. Accordingly, the preset range is 6.5 to 7.5 mm, and when the above-described difference S5 is outside this range, it is determined that there is a die shift.
  • a difference S6 between the distances S3 and S4 is obtained, and when the difference S6 is out of a preset range, it is determined that there is a misalignment.
  • the difference S6 has a reference value of 2 mm and an allowable range of ⁇ 0.5 mm. Accordingly, the preset range is 1.5 to 2.5 mm. If the above-described difference S6 is out of this range, it is determined that there is a misalignment.
  • each of the distances S1, S2, S3, and S4 is continuously measured every 1 mm along each mold side surface, so that the above-described differences S5 and S6 are also continuous. And will be asked multiple times. Of the differences S5 and S6 obtained continuously a plurality of times, it is possible to arbitrarily select which difference S5 and S6 is used for the determination of the misalignment. As an example, when only one difference S5, S6 is outside the above-described preset range, it can be determined that there is a misalignment. As another example, when all the differences S5 and S6 continuously obtained a plurality of times are out of the above-described preset range, it can be determined that there is a die shift.
  • the mold misalignment detection apparatus 5 since the misalignment is determined using the misalignment at a plurality of points along the side surfaces 2a, 2b, 3a, and 3b of the upper and lower molds 2 and 3, the mold with high reliability is determined. Deviation determination can be performed.
  • an instruction is given to a pouring machine (not shown) by a control means (not shown) to prevent pouring.
  • the upper mold first distance measuring means 8 and the lower mold first distance measuring means 9 are movable in the conveying direction of the upper and lower molds 2 and 3 by a first cylinder 10 as an actuator
  • the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are movable in a direction perpendicular to the conveying direction of the upper and lower molds 2 and 3 by a second cylinder 13 as an actuator.
  • the upper mold first distance measuring means 8, the lower mold first distance measuring means 9, the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are the first actuator as the actuator.
  • the three cylinders 15 can be moved up and down simultaneously. According to this configuration, there is an advantage that alignment in the Z-axis direction can be performed in a short time.
  • laser displacement sensors are used as the first distance measuring means 8 for the upper mold, the first distance measuring means 9 for the lower mold, the second distance measuring means 11 for the upper mold, and the second distance measuring means 12 for the lower mold. ing. According to this configuration, there is an advantage that the distance to each mold side surface can be accurately measured and the apparatus can be made compact.
  • the distance S1 to the upper mold first side surface 2a measured by the upper mold first distance measuring means 8 and the lower mold first side surface 3a measured by the lower mold first distance measuring means 9 are measured.
  • the difference S5 from the distance S2 or the distance S3 to the upper mold second side surface 2b measured by the upper mold second distance measuring means 11 and the lower mold second measured by the lower mold second distance measuring means 12 When the difference S6 with respect to the distance S4 to the side surface 3b is outside the preset allowable range, it is determined that there is a die shift.
  • determined by visual observation of the up-and-down molds 2 and 3 shape-molded and matched by the frame making machine 1 can be detected before pouring.
  • the upper mold first distance measuring means 8, the lower mold first distance measuring means 9, the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 reach each mold side surface.
  • the distance is measured by continuously measuring at least a part of each mold side surface at predetermined intervals along each mold side surface.
  • the upper and lower molds 2 and 3 determined to be out of shape are not poured. According to this configuration, there is an advantage that the amount of molten metal to be used can be reduced and generation of useless defective products can be prevented.
  • the upper mold second distance measuring means 11 and the lower mold second distance measuring means 12 are reciprocated in the X-axis direction by operation, but the present invention is not limited to this, and in reverse order, or Both may be performed simultaneously.
  • each of the distances S1, S2, S3, and S4 is measured continuously at predetermined intervals along each mold side surface at least a part of each mold side surface.
  • the present invention is not limited to this, and the entire surface of each mold side surface may be continuously measured at predetermined intervals along each mold side surface.
  • the present invention when one of the above-described difference S5 or difference S6 is outside the preset allowable range, it is determined that there is a die shift.
  • the present invention is not limited to this.
  • both the above-described difference S5 and difference S6 are out of the preset allowable range, it may be determined that there is a misalignment.
  • the mold deviation detection device 5 is disposed after one pitch of the mold carry-in station 17, but the present invention is not limited to this, and the mold deviation detection device 5 includes the upper and lower molds 2, 2, 3 may be disposed at any position including the mold carry-in station 17 up to the point before pouring the hot water.
  • first cylinder 10, the second cylinder 13 and the third cylinder 15 in the embodiment of the present invention are not limited to this, and may be other actuators.
  • a motor etc. are mentioned, for example.
  • data such as the center position, rotation angle, and amount of misalignment of the upper and lower molds 2 and 3 are transmitted from the misalignment detection devices 5, 40 and 60 to the dedicated arithmetic means 48 or the control means of another device.
  • it may be processed by a computer such as a personal computer, a mainframe (general-purpose computer), a server, or a cloud server outside the foundry through the Internet.
  • processed data such as data relating to operation of the apparatus may be transmitted to equipment in a foundry including the misalignment detection apparatuses 5, 40, 60 via the Internet.
  • the connection with the Internet may be made not directly from the misalignment detection devices 5, 40, 60 but via the control means of other devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Casting Devices For Molds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un dispositif et un procédé qui permettent de détecter un déplacement de moule pour des moules supérieur et inférieur, qui ont été fabriqués avec une machine de moulage sans châssis et ont été assemblés l'un avec l'autre, avant la coulée. Le dispositif (40) de détection de déplacement de moule pour des moules supérieur et inférieur (2, 3), qui ont été fabriqués par une machine de moulage sans châssis (1) et assemblés l'un avec l'autre et qui sont transportés vers une position de coulée, est pourvu d'une pluralité de moyens de mesure de distance (51, 52, 53) pour la mesure de distances (S11, S12, S13, S21, S22, S23) aux moules supérieur et inférieur (2, 3) et d'un moyen de calcul (48) pour le calcul de déplacement pour le moule supérieur (2) et le moule inférieur (3) sur la base des distances (S11, S12, S13, S21, S22, S23) aux moules supérieur et inférieur (2, 3) mesurées par les moyens de mesure de distance (51, 52, 53).
PCT/JP2016/088068 2016-01-12 2016-12-21 Dispositif de détection de déplacement de moule et procédé de détection de déplacement de moule pour des moules supérieur et inférieur WO2017122510A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR112018011114-7A BR112018011114A2 (pt) 2016-01-12 2016-12-21 dispositivo e método que pode detectar desalinhamento entre semicaixas superior e inferior de molde
MX2018006484A MX2018006484A (es) 2016-01-12 2016-12-21 Dispositivo y metodo que puede detectar mala alineacion entre semicaja superior y semicaja inferior.
JP2017561564A JP6589997B2 (ja) 2016-01-12 2016-12-21 上下鋳型の型ずれ検知装置及び型ずれ検知方法
KR1020187014581A KR20180103832A (ko) 2016-01-12 2016-12-21 상하 주형의 형 어긋남 검지장치 및 형 어긋남 검지방법
US15/777,313 US20180326475A1 (en) 2016-01-12 2016-12-21 Device and method that can detect misalignment between cope and drag
EP16885112.9A EP3403742A4 (fr) 2016-01-12 2016-12-21 Dispositif de détection de déplacement de moule et procédé de détection de déplacement de moule pour des moules supérieur et inférieur
CN201680064557.9A CN108348987B (zh) 2016-01-12 2016-12-21 上下铸型的错型检测装置以及错型检测方法

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JP2016-003646 2016-01-12
JP2016003646 2016-01-12

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US (1) US20180326475A1 (fr)
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CN111263672B (zh) * 2017-10-19 2022-01-11 新东工业株式会社 降低由脱箱造型机造型、合型后的上下铸型的型偏移的产生的方法和脱箱造型生产线
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CN108348987B (zh) 2020-06-23
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JP6589997B2 (ja) 2019-10-16
US20180326475A1 (en) 2018-11-15
EP3403742A4 (fr) 2019-08-07
BR112018011114A2 (pt) 2018-11-21
CN108348987A (zh) 2018-07-31
JPWO2017122510A1 (ja) 2018-11-01
KR20180103832A (ko) 2018-09-19

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