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CN112536841B - 一种横切飞剪控制系统及其控制方法 - Google Patents

一种横切飞剪控制系统及其控制方法 Download PDF

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CN112536841B
CN112536841B CN202011274267.1A CN202011274267A CN112536841B CN 112536841 B CN112536841 B CN 112536841B CN 202011274267 A CN202011274267 A CN 202011274267A CN 112536841 B CN112536841 B CN 112536841B
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邱祉海
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Hangzhou Lipeng Science & Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/36—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder
    • B26D1/365—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B26D1/405—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/005—Computer numerical control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means

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Abstract

本发明涉及纸板横切机领域，具体涉及一种横切飞剪控制系统及其控制方法，其中横切飞剪控制系统包括输送机构、测速轮、剪切刀辊、剪切辊伺服电机、伺服电机驱动器、刀头位置传感器、编码运动控制器和触摸屏；所述剪切刀辊包括上刀辊和下刀辊，所述上刀辊和所述下刀辊上安装有对称设置的螺旋横切刀，所述螺旋横切刀头尾两点投影到剪切刀辊横向截面处的两点的夹角为螺旋夹角θ0；所述测速轮设置在所述剪切刀辊的进入方向。本发明根据纸板宽度不同自动计算剪切辊的运动曲线，对各种宽度的纸板均具有良好的裁切效果。

Description

一种横切飞剪控制系统及其控制方法
技术领域
本发明涉及纸板横切机领域，具体涉及一种横切飞剪控制系统及其控制方法。
背景技术
瓦楞纸横切机是瓦楞纸板生产线的最后一道工序，他把连续的瓦楞纸板剪切成用户所需尺寸的纸板，用于纸箱的生产。瓦楞纸横切机电脑控制系统作为运动控制技术在“飞剪”领域的一个应用实例，有其较特殊的复杂性，过去一直依赖整套进口，价格贵，服务不及时。近几年来，随着国内包装行业的蓬勃发展，用户对瓦楞纸板的质量和规格有了更高的要求与需求，因此对横切机电脑控制系统提出了一些更严格的技术指标，如剪切精度、剪切速度、剪切范围、设备可靠性、操作方便性等等。正是瓦楞纸横切机负载的特殊性导致其电脑控制系统在控制结构、设备选型、控制算法等方面具有相当的复杂性。
发明内容
本发明的目的，是为了解决背景技术中的问题，提供一种横切飞剪控制系统及其控制方法。
本发明的上述技术目的是通过以下技术方案得以实现的：
一种横切飞剪控制系统，包括输送机构、测速轮、剪切刀辊、剪切辊伺服电机、伺服电机驱动器、刀头位置传感器、编码运动控制器和触摸屏；所述剪切刀辊包括上刀辊和下刀辊，所述上刀辊和所述下刀辊上安装有对称设置的螺旋横切刀，所述螺旋横切刀头尾两点投影到剪切刀辊横向截面处的两点的夹角为螺旋夹角θ0；所述测速轮设置在所述剪切刀辊的进入方向。
作为优选，所述输送机构上方设置有宽度位置传感器，所述宽度位置传感器包括两组激光测距器。
一种横切飞剪控制方法，包括以下步骤：
S1、将待切纸板安放在输送机构上朝向剪切刀辊传输；
S2、通过刀头位置传感器将剪切刀辊上的螺旋横切刀位置设置到初始偏转角度处，并与编码运动控制器做好通讯；
S3、设置裁切长度L，通过测速轮测量纸板的进入速度V，输入编码运动控制器中；
S4、将剪切刀辊的参数输入编码运动控制器中，参数包括：螺旋横切刀在剪切刀辊的轴向长度S，螺旋横切刀的螺旋夹角θ0，剪切刀辊的直径D；
S5、通过宽度位置传感器分别测量出待切纸板距离螺旋横切刀两头的间距X1和X2，其中X1为螺旋横切刀头部的偏移距离，X2为螺旋横切刀尾部的偏移距离；
S6、根据S5中数据，计算同步角度θ和初始切点偏转角度α；
S7、计算脉冲周期曲线；
S8、通过计算得到的脉冲曲线控制伺服电机驱动器驱动剪切辊伺服电机控制剪切刀辊周期性转动。
作为优选，所述同步角度θ＝(S-X1-X2)*θ0/S。
作为优选，所述初始切点偏转角度α＝X1*θ0/S。
作为优选，所述脉冲周期曲线一个周期内包括：同步区间(0～t1)、减速区间(t1～t2)、停止区间(t1～t3)、加速区间(t3～t4)、再同步区间(t4～t5)，上述区间中：
Figure BDA0002778637910000021
其中R＝(π-θ/2)*D。
作为优选，所述编码运动控制器的分辨率为n，脉冲数为m，脉冲当量为k，
t为运行时间，其中k＝Vt/n，走纸长度l＝km，剪切刀辊的角位移γ如下：
t在同步区间(0～t1)内，
Figure BDA0002778637910000022
t在减速区间(t1～t2)内，
Figure BDA0002778637910000023
t在停止区间(t2～t3)内，
Figure BDA0002778637910000024
t在加速区间(t3～t4)内，
Figure BDA0002778637910000025
t在再同步区间(t4～t5)内，
Figure BDA0002778637910000026
综上所述，本发明的有益效果：
1、本发明所述的一种横切飞剪控制系统，根据纸板宽度不同自动计算剪切辊的运动曲线，对各种宽度的纸板均具有良好的裁切效果。
2、本发明所述的一种横切飞剪控制系统，提高了自动化程度，有效降低用工成本。
附图说明
图1是本发明的结构示意图；
图2是本发明螺旋横切刀与宽度位置传感器示意图。
具体实施方式
以下具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。
下面结合附图以实施例对本发明进行详细说明。
实施例1：
根据图1～图2所示，一种横切飞剪控制系统，包括输送机构1、测速轮2、剪切刀辊3、剪切辊伺服电机4、伺服电机驱动器5、刀头位置传感器6、编码运动控制器7、触摸屏8和宽度位置传感器9；所述剪切刀辊3包括上刀辊31和下刀辊32，所述上刀辊31和所述下刀辊32上安装有对称设置的螺旋横切刀33，所述螺旋横切刀33头尾两点投影到剪切刀辊横向截面处的两点的夹角为螺旋夹角θ0；所述测速轮2设置在所述剪切刀辊3的进入方向，所述宽度位置传感器9包括两组激光测距器。
一种横切飞剪控制方法，包括以下步骤：
S1、将待切纸板安放在输送机构1上朝向剪切刀辊3传输；
S2、通过刀头位置传感器6将剪切刀辊3上的螺旋横切刀33位置设置到初始偏转角度处，并与编码运动控制器7做好通讯；
S3、设置裁切长度L，通过测速轮2测量纸板的进入速度V，输入编码运动控制器7中；
S4、将剪切刀辊3的参数输入编码运动控制器7中，参数包括：螺旋横切刀33在剪切刀辊3的轴向长度S，螺旋横切刀33的螺旋夹角θ0，剪切刀辊3的直径D；
S5、通过宽度位置传感器9分别测量出待切纸板距离螺旋横切刀33两头的间距X1和X2，其中X1为螺旋横切刀33头部的偏移距离，X2为螺旋横切刀33尾部的偏移距离；
S6、根据S5中数据，计算同步角度θ和初始切点偏转角度α，所述同步角度θ＝(S-X1-X2)*θ0/S，所述初始切点偏转角度α＝X1*θ0/S；
S7、计算脉冲周期曲线，脉冲周期曲线一个周期内包括：同步区间(0～t1)、减速区间(t1～t2)、停止区间(t1～t3)、加速区间(t3～t4)、再同步区间(t4～t5)，上述区间中：
Figure BDA0002778637910000041
其中R＝(π-θ/2)*D；
S8、通过计算得到的脉冲曲线控制伺服电机驱动器5驱动剪切辊伺服电机4控制剪切刀辊3周期性转动，所述编码运动控制器7的分辨率为n，脉冲数为m，脉冲当量为k，t为运行时间，其中k＝Vt/n，走纸长度l＝km，剪切刀辊3的角位移γ如下：
t在同步区间(0～t1)内，
Figure BDA0002778637910000042
t在减速区间(t1～t2)内，
Figure BDA0002778637910000043
t在停止区间(t2～t3)内，
Figure BDA0002778637910000044
t在加速区间(t3～t4)内，
Figure BDA0002778637910000045
t在再同步区间(t4～t5)内，
Figure BDA0002778637910000046

Claims (5)

1.一种横切飞剪控制方法，其特征在于，使用横切飞剪控制系统，所述横切飞剪控制系统包括输送机构（1）、测速轮（2）、剪切刀辊（3）、剪切辊伺服电机（4）、伺服电机驱动器（5）、刀头位置传感器（6）、编码运动控制器（7）和触摸屏（8）；所述剪切刀辊（3）包括上刀辊（31）和下刀辊（32），所述上刀辊（31）和所述下刀辊（32）上安装有对称设置的螺旋横切刀（33），所述螺旋横切刀（33）头尾两点投影到剪切刀辊横向截面处的两点的夹角为螺旋夹角θ0；所述测速轮（2）设置在所述剪切刀辊（3）的进入方向，所述输送机构（1）上方设置有宽度位置传感器（9），所述宽度位置传感器（9）包括两组激光测距器，包括以下步骤：
S1、将待切纸板安放在输送机构（1）上朝向剪切刀辊（3）传输；
S2、通过刀头位置传感器（6）将剪切刀辊（3）上的螺旋横切刀（33）位置设置到初始偏转角度处，并与编码运动控制器（7）做好通讯；
S3、设置裁切长度L，通过测速轮（2）测量纸板的进入速度V，输入编码运动控制器（7）中；
S4、将剪切刀辊（3）的参数输入编码运动控制器（7）中，参数包括：螺旋横切刀（33）在剪切刀辊（3）的轴向长度S，螺旋横切刀（33）的螺旋夹角θ0，剪切刀辊（3）的直径D；
S5、通过宽度位置传感器（9）分别测量出待切纸板距离螺旋横切刀（33）两头的间距X1和X2，其中X1为螺旋横切刀（33）头部的偏移距离，X2为螺旋横切刀（33）尾部的偏移距离；
S6、根据S5中数据，计算同步角度θ和初始切点偏转角度α；
S7、计算脉冲周期曲线；
S8、通过计算得到的脉冲曲线控制伺服电机驱动器（5）驱动剪切辊伺服电机（4）控制剪切刀辊（3）周期性转动。
2.根据权利要求1所述的一种横切飞剪控制方法，其特征在于，所述同步角度θ=（S-X1-X2）*θ0/S。
3.根据权利要求2所述的一种横切飞剪控制方法，其特征在于，所述初始切点偏转角度α=X1*θ0/S。
4.根据权利要求3所述的一种横切飞剪控制方法，其特征在于，所述脉冲周期曲线一个 周期内包括：同步区间（0~t1）、减速区间（t1~t2）、停止区间（t1~t3）、加速区间（t3~t4）、再 同步区间（t4~t5），上述区间中：t1
Figure DEST_PATH_IMAGE001
，t2
Figure 804333DEST_PATH_IMAGE002
，t3
Figure DEST_PATH_IMAGE003
，t4
Figure 252632DEST_PATH_IMAGE004
，t5
Figure DEST_PATH_IMAGE005
，其 中R=（π-θ/2）*D。
5.根据权利要求4所述的一种横切飞剪控制方法，其特征在于，所述编码运动控制器（7）的分辨率为n，脉冲数为m，脉冲当量为k，t为运行时间，其中k=Vt/n，走纸长度l=km，剪切刀辊（3）的角位移γ如下：
t在同步区间（0~t1）内，
Figure 907735DEST_PATH_IMAGE006
；
t在减速区间（t1~t2）内，
Figure DEST_PATH_IMAGE007
；
t在停止区间（t2~t3）内，
Figure 709469DEST_PATH_IMAGE008
；
t在加速区间（t3~t4）内，
Figure DEST_PATH_IMAGE009
；
t在再同步区间（t4~t5）内，
Figure 396278DEST_PATH_IMAGE010
。
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