AUTOMATIC INSPECTION DEVICE FOR CORRUGATED PAPERBOARD MACHINE, AND CORRUGATED PAPERBOARD MACHINE
First Claim
1. An automatic inspection device for a corrugated paperboard machine having a tool moving mechanism, the tool moving mechanism comprising a plurality of movable members each coupled to a respective one of a plurality of machining tools for subjecting a corrugated paperboard to machining;
- a support member movably supporting the plurality of movable members; and
a plurality of drive motors for moving respective ones of the plurality of movable members along the support member, the automatic inspection device comprising;
a position setting section for setting the plurality of movable members to positions located, respectively, within a plurality of moving ranges each defined along the support member correspondingly to a respective one of the plurality of movable members;
a control section for driving each of the plurality of drive motors at a given rotational speed so as to allow a respective one of the plurality of movable members to be moved within a corresponding one of the plurality of moving ranges;
a current detection section for detecting a drive current being supplied to each of the plurality of drive motors when the drive motor is driven at the given rotational speed by the control section;
a current determination section for determining whether or not the drive current of each of the plurality of drive motors detected by the current detection section exceeds a given threshold; and
a defect detection section for, when the current determination section determines that the drive current of a specific one of the plurality of drive motors exceeds the given threshold, detecting that a defect occurs in the movable member driven by the specific drive motor, or in a portion of the support member corresponding to the moving range of the movable member driven by the specific drive motor.
1 Assignment
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Accused Products
Abstract
An automatic inspection device for a corrugated paperboard machine includes comprises a position setting section for setting movable members to positions within moving ranges; a control section for driving each of the drive motors at a given rotational speed so as to allow a respective one of the movable members to be moved within a corresponding one of the moving ranges; a current detection section for detecting a drive current being supplied to each of the drive motors when the drive motor is driven at the given rotational speed; and a current determination section for determining whether the drive current of each of the drive motors exceeds a given threshold. The automatic inspection device is configured to, when the current determination section determines that the drive current of a specific one of the plurality of drive motors exceeds the given threshold, detecting that a defect occurs in the movable member.
10 Citations
11 Claims
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1. An automatic inspection device for a corrugated paperboard machine having a tool moving mechanism, the tool moving mechanism comprising a plurality of movable members each coupled to a respective one of a plurality of machining tools for subjecting a corrugated paperboard to machining;
- a support member movably supporting the plurality of movable members; and
a plurality of drive motors for moving respective ones of the plurality of movable members along the support member, the automatic inspection device comprising;a position setting section for setting the plurality of movable members to positions located, respectively, within a plurality of moving ranges each defined along the support member correspondingly to a respective one of the plurality of movable members; a control section for driving each of the plurality of drive motors at a given rotational speed so as to allow a respective one of the plurality of movable members to be moved within a corresponding one of the plurality of moving ranges; a current detection section for detecting a drive current being supplied to each of the plurality of drive motors when the drive motor is driven at the given rotational speed by the control section; a current determination section for determining whether or not the drive current of each of the plurality of drive motors detected by the current detection section exceeds a given threshold; and a defect detection section for, when the current determination section determines that the drive current of a specific one of the plurality of drive motors exceeds the given threshold, detecting that a defect occurs in the movable member driven by the specific drive motor, or in a portion of the support member corresponding to the moving range of the movable member driven by the specific drive motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a support member movably supporting the plurality of movable members; and
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10. A corrugated paperboard machine comprising:
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a plurality of machining tools for subjecting a corrugated paperboard to machining; a tool moving mechanism including a plurality of movable members each coupled to a respective one of the plurality of machining tools, a support member movably supporting the plurality of movable members, and a plurality of drive motors for moving respective ones of the plurality of movable members along the support member; a mode setting section for setting an inspection mode; a position setting section for, when the inspection mode is set, setting the plurality of movable members to positions located, respectively, within a plurality of moving ranges each defined along the support member correspondingly to a respective one of the plurality of movable members; a control section for, when the inspection mode is set, driving each of the plurality of drive motors at a given rotational speed so as to allow a respective one of the plurality of movable members to be moved within a corresponding one of the plurality of moving ranges; a current detection section for detecting a drive current being supplied to each of the plurality of drive motors when the drive motor is driven at the given rotational speed by the control section; a current determination section for determining whether or not the drive current of each of the plurality of drive motors detected by the current detection section exceeds a given threshold; and a defect detection section for, when the current determination section determines that the drive current of a specific one of the plurality of drive motors exceeds the given threshold, detecting that a defect occurs in the movable member driven by the specific drive motor or in a portion of the support member corresponding to the moving range of the movable member driven by the specific drive motor.
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11. An automatic inspection device for a corrugated paperboard machine having a plurality of tool moving mechanisms, each of the tool moving mechanisms comprising a movable member coupled to a tool for subjecting a corrugated paperboard to machining or operation;
- a support member movably supporting the movable member; and
a drive motor for moving either one of the movable member and support member so as to move the movable member along the support member, the automatic inspection device comprising;a control section for driving each of the drive motors of the plurality of tool moving mechanisms, at a given rotational speed; a current detection section for detecting a drive current being supplied to each of the drive motors when the drive motor is driven at the given rotational speed by the control section; a current determination section for determining whether or not the drive current of each of the drive motors detected by the current detection section exceeds a given threshold; and a defect detection section for, when the current determination section determines that drive current of a specific one of the drive motors in the plurality of tool moving mechanisms exceeds the given threshold, detecting that a defect occurs in the movable member driven by the specific drive motor or in the support member supporting the movable member driven by the specific drive motor.
- a support member movably supporting the movable member; and
Specification