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    Stacking method and apparatus
    2.
    发明授权
    Stacking method and apparatus 失效
    堆叠方法和装置

    公开(公告)号：US5024569A

    公开(公告)日：1991-06-18

    申请号：US876490

    申请日：1986-06-20

    申请人： Leonard A. Watts ,  Medardo Espinosa

    发明人： Leonard A. Watts ,  Medardo Espinosa

    IPC分类号： G06K13/26 ,  B65H29/68 ,  B65H29/70 ,  B65H31/28 ,  B65H31/30 ,  B65H33/08 ,  B65H33/16 ,  B65H33/18 ,  B65H43/00

    CPC分类号： B65H31/3063 ,  B65H29/70 ,  B65H31/3081 ,  B65H33/08 ,  B65H33/16 ,  B65H43/00 ,  B65H2301/42112 ,  B65H2301/42266 ,  B65H2402/351

    摘要： A self-adaptive stacker comprising infeed and stacking sections whose movement is coordinated to provide interception of the signature stream. A microprocessor utilizes a signal, representative of the infeed conveyor speed, together with a signal from a signature counter, to track the movement of each signature and thereby its arrival at the intercept position. Low armature inertia motors drive the three axes, (stacking section, the turntable, and the ejectors) to provide rapid starting, acceleration, deceleration, and stopping at selected positions. These motors are controlled to interact in real-time in order to adapt the three axes to the rate of the incoming signatures. The movement of the signature carriers is altered, when necessary, due to speed changes of the signature stream. A sensor located at the intercept ready position detects the passage of a signature carrier to initiate acceleration of the signature carrier by an amount which is a function principally of signature thickness, velocity, and separation distance to control the amount of acceleration required to move the carrier beneath the first signature of the next stack to be formed. A turntable section forms compensated bundles by rotating a platform. A pusher assembly is mounted beneath the rotatable turntable platform and includes pusher bars arranged by linkage members to move precisely along the path of the drive chain to enhance monitoring, control and movement of the push rods. A sensor senses the passage of a push rod to detect the initial movement and subsequent thereto the arrival of a push rod to the home position.

    Apparatus and method for separating a stream of lapped signatures into discrete batches
    3.
    发明授权
    Apparatus and method for separating a stream of lapped signatures into discrete batches 失效
    将分离标记的条纹分离成分离批量的装置和方法

    公开(公告)号：US5141219A

    公开(公告)日：1992-08-25

    申请号：US433350

    申请日：1989-11-08

    申请人： Leonard A. Watts ,  Medardo Espinosa

    发明人： Leonard A. Watts ,  Medardo Espinosa

    IPC分类号： B65H29/16 ,  B65H33/16

    CPC分类号： B65H29/66 ,  B65H29/16 ,  B65H33/12 ,  B65H33/16

    摘要： A method and apparatus for separating a stream of signatures into discrete batches includes an infeed conveyor transporting signatures at a constant velocity V.sub.1, an outfeed conveyor transporting signatures at a higher constant velocity V.sub.2, and a plurality of parallel endless belts disposed between the infeed and outfeed conveyors. The plurality of parallel belts each include a raised portion for engaging and transporting signatures. Each belt is independently driven, and the belts are positioned with the raised portions staggered to engage successive portions of the incoming stream of signature. Each belt is driven alternatively at speeds V.sub.1 and V.sub.2, first matching the infeed velocity and then matching the outfeed velocity. As each successive raised portion fully engages a portion of signatures, it is accelerated to V.sub.2, thus introducing a gap between that portion of signatures and the remainder of the stream, which is engaged by the raised portion of the succeeding belt traveling at V.sub.1, thus creating a discrete batch. This process continues, repeatedly and successively with each of the belts, thus continuously creating a stream of discrete batches of lapped signatures, each batch being substantially the same length.

    摘要翻译： 用于将签名流分离为离散批次的方法和装置包括以恒定速度V1传送签名的进料输送机，以更高的恒定速度V2传送签名的输出输送机以及设置在进料和出料之间的多个平行环形带 输送机 多个平行带每个包括用于接合和传送签名的凸起部分。 每个带独立地被驱动，并且带被定位成使得凸起部分交错，以接合进入的签名流的连续部分。 每个皮带以速度V1和V2交替驱动，首先匹配进给速度，然后匹配出料速度。 当每个连续的隆起部分完全接合签名的一部分时，它被加速到V2，从而在签名的该部分和流动的其余部分之间引入间隙，该剩余部分由在V1行进的后续带的凸起部分接合，因此 创建一个离散批次。 该过程连续地连续地连续地传送到每个带中，从而连续地产生一批离散批次的重叠签名，每个批次基本相同的长度。

    Method and apparatus for wrapping an article
    6.
    发明授权
    Method and apparatus for wrapping an article 失效
    用于包装物品的方法和装置

    公开(公告)号：US5189865A

    公开(公告)日：1993-03-02

    申请号：US892954

    申请日：1992-06-03

    申请人： Jose A. Andrade ,  Leonard A. Watts

    发明人： Jose A. Andrade ,  Leonard A. Watts

    IPC分类号： B65B11/08 ,  B65B25/14

    CPC分类号： B65B11/08 ,  B65B25/14

    摘要： An article wrapping device feeds an article to be wrapped on a conveyor in a generally horizontal direction. A sheet of wrapping material is fed upward from beneath the conveyor to intersect the path of the article. The sheet of wrapping material is maintained in a generally vertical orientation by a flow of forced air between the sheet of wrapping material and a generally vertical displaceable wall suspended alongside the path of the sheet of wrapping material. As the article intersects the sheet of wrapping material and the displaceable wall, the wall is displaced, and forces a leading edge of the sheet of wrapping material over a top side of the article.

    摘要翻译： 物品包装装置在大致水平的方向上将待包装的物品输送到输送机上。 一片包装材料从输送机下方向上馈送，以与物品的路径相交。 包裹材料片通过在包装材料片之间的强制空气流和沿着包装材料片的路径悬挂的大致垂直的可移动壁保持在大致竖直的取向。 当制品与包装材料片和可移动壁相交时，壁被移动，并且迫使包装材料片的前缘超过制品的顶侧。

    Method and apparatus for detecting and counting articles
    7.
    发明授权
    Method and apparatus for detecting and counting articles 失效
    用于检测和计数物品的方法和装置

    公开(公告)号：US5031156A

    公开(公告)日：1991-07-09

    申请号：US449444

    申请日：1989-12-12

    申请人： Leonard A. Watts ,  William A. Johnson ,  Charles E. Sawabini

    发明人： Leonard A. Watts ,  William A. Johnson ,  Charles E. Sawabini

    IPC分类号： G06M7/00

    CPC分类号： G06M7/00

    摘要： Articles, moving along a delivery path, are counted by directing a stream of pressurized air toward one major surface of the passing articles, the direction of the air stream being transverse to the direction of travel. Sensors arranged about the air stream detect the acoustic signal which varies with changes in the profile of the passing articles, exemplified by signatures. The detected acoustic signal is divided into a plurality of frequency ranges which, in one preferred emboidment, are averaged to reduce the effect of noise which may be present in only limited ones of the frequency bands. The averaged signals are then compared against thresholds to determine the instantaneous state of the articles, exemplified by a signature stream, to generate count signals.

    摘要翻译： 沿着输送路径移动的物品通过将加压空气流引导到经过的物品的一个主表面来计数，空气流的方向横向于行进方向。 围绕空气流布置的传感器检测随着通过物品的轮廓的变化而变化的声信号，以签名为例。 检测到的声信号被分成多个频率范围，在一个优选的实施中，它被平均以减少可能存在于仅有限频带中的噪声的影响。 然后将平均信号与阈值进行比较，以确定用签名流示例的物品的瞬时状态，以生成计数信号。