CN101603244B - Non-contact tension detection and feedback control mesh belt winding device - Google Patents

Non-contact tension detection and feedback control mesh belt winding device Download PDF

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CN101603244B
CN101603244B CN 200910063341 CN200910063341A CN101603244B CN 101603244 B CN101603244 B CN 101603244B CN 200910063341 CN200910063341 CN 200910063341 CN 200910063341 A CN200910063341 A CN 200910063341A CN 101603244 B CN101603244 B CN 101603244B
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tension
webbing
connected
pc
ipc
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CN 200910063341
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CN101603244A (en
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张智明
徐巧
梅顺齐
肖人彬
蔡池兰
詹白勺
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武汉科技学院
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Abstract

The invention relates to textile equipment, particularly relates to a non-contact tension detection and feedback control mesh belt winding device, comprising a winding roller which drives the mesh belt to convolute to weave and is driven by an AC asynchronous motor; a charge couple device image sensor is arranged outside the mesh belt between two guide rollers, an ultrasonic wave sensor is arranged on the periphery of a ball of mesh belts, the charge couple device image sensor is connected with an image acquisition card, the ultrasonic wave sensor is connected with a signal acquisition card and the image acquisition card, the signal acquisition card is connected with a PC industrial personal computer connected with a motion control card, and the motion control card is connected with the AC asynchronous motor by a frequency converter; and a tension regulating device is arranged adjacently to the winding roller. The invention carries out non-contact detection on the variation of the tension force and the winding radius of the mesh belt and can not influence the tension force of the mesh belt due to the contact of the mesh belt, and the detection result is more accurate; and the tension force of the mesh belt is regulated by combining the operation of regulating the speed of the motor with the operation of driving a regulating roller by an air cylinder, thus the regulation of thetension force is faster and more effective.

Description

非接触式张力检测并反馈控制的织带卷取装置 Webbing take-up device and a non-contact tension detecting feedback control

技术领域 FIELD

[0001] 本发明涉及一种纺织设备技术领域,尤其涉及一种适用于圆筒编织机的非接触式实时检测织带张力变化并自动调整张力实现恒张力的织带卷取装置。 [0001] The present invention relates to a technical field of textile equipment, particularly to a cylinder knitting machine suitable for non-contact web tension variations detected in real time and automatically adjust the tension of the webbing take-up device to achieve the constant tension.

背景技术 Background technique

[0002] 自动编织机编织带的质量在很大的程度上取决于送经和卷取时所受的张力,特别是卷取时的张力,直接影响到织带的质量,织带张力过大,会使织带受损,增加断头;织带张力过小,会出现卷曲影响生成编织带的平滑度。 [0002] braid quality automatic knitting machine, to a large extent, on suffered warp tension and take-up, particularly when the take-up tension, directly affect the quality of the webbing, the webbing tension is too large, it will webbing damage, breakage increases; web tension is too small, will affect the generation of curl braid smoothness. 因此必须把织带的张力波动控制在一定的范围内。 Thus webbing tension fluctuations must be controlled within a certain range.

[0003] 目前,传统的卷取机构采用异步电机传动凸轮的方式实现张力控制,凸轮上方用重物压,但当织带张力增大到一定程度时,凸轮开始打滑,而且采用凸轮传动,随着织带卷绕直径的不断增加,织带受力越来越大,引起织带受力不均勻,从而使织带开始受力较小, 编织稀疏,之后越来越密,织造不美观。 [0003] Currently, the traditional asynchronous motor drive take-up mechanism of the cam tension control manner, the upper cam heavy pressure, but when the web tension is increased to a certain degree, the cam begins to slip, and the use of a cam drive, with increasing winding diameter of the webbing, the webbing force increases, causing discontinuity ribbon, so that the webbing starts by a small force, weaving the sparse, then more and more dense, woven unsightly.

[0004] 为此,专利号200720085342. 3公开的圆筒包装带自动编织机的恒张力织带卷取装置在如何保持织带的张力恒定方面做了改进,用张力传感器和半径探测器对织带的张力及卷取卷装半径进行检测,然后将信号传送给控制器以控制驱动卷取辊电机的转速。 [0004] To do this, constant tension webbing take-up device disclosed in Patent No. 200720085342.3 cylinder knitting machine with automatic packaging improvements have been made in terms of how to maintain a constant tension of the webbing, and the tension sensor with radius webbing tension detectors and the radius of the winding package is detected, and then transmits the signal to the controller to control the driving speed of the motor winding roll. 但这种装置存在以下缺点: However, this apparatus has the following disadvantages:

[0005] (1)所用的半径探测器和张力传感器均为接触式检测,即与织带接触或是与卷装接触来获取检测信号,这种接触式检测容易改变织带本身的张力,影响检测结果的准确性; [0005] (1) the radius of the probe and the tension sensors are used in contact detection, i.e. the detection signal acquired web in contact with or in contact with the package, the contact detection easily changing the tension of the webbing itself, affect the test results accuracy;

[0006] (2)检测到张力发生变化后,仅仅由控制器控制卷取电机的转速来调节织带张力, 调节效果不够实时快速。 [0006] (2) after detecting a tension change, only the take-up speed of the motor to adjust the web tension controlled by the controller, real-time fast enough to effect adjustment.

[0007] 为此,圆筒包装带自动编织机的恒张力织带卷取装置的发明人对装置做了进一步的改进。 [0007] To this end, the inventors constant tension of the webbing winding device with automatic knitting machine cylinder packaging means made of a further improvement.

发明内容 SUMMARY

[0008] 本发明针对上述现有技术存在的不足而提供一种非接触式检测、调节织带张力效果更佳的非接触式张力检测并反馈控制的织带卷取装置。 [0008] The present invention is directed to the above-described disadvantages of the prior art to provide a non-contact detection, adjusting tension of the webbing take-up device webbing better effect non-contact tension detection and feedback control.

[0009] 为达上述目的,本发明所采用的技术方案为:一种非接触式张力检测并反馈控制的织带卷取装置,包括有带动织带回旋进行编织的卷取辊,卷取辊由卷取电机驱动;其特征在于:在两导辊间的织带外侧设置有电荷藕合器件图像传感器,卷装外周设置有超声波传感器,电荷藕合器件图像传感器连接有图像采集卡,超声波传感器连接有信号采集卡,图像采集卡、信号采集卡与PC工控机连接,PC工控机连接有运动控制卡,运动控制卡通过变频器与交流异步电机连接;靠近卷取辊设置张力调节装置,张力调节装置包括动力机构和调节辊,动力机构的输出端连接调节辊,动力机构由PC工控机控制;电荷藕合器件图像传感器采集织带图像信号,此信号通过图像采集卡传送给PC工控机;超声波传感器采集卷装直径信号,此信号通过信号采集卡传送给PC工控机;PC [0009] To achieve the above object, the technical solution employed in the present invention are: webbing take-up device detects a non-contact tension and feedback control, including the drive for the webbing take-up roll knitting swirling, take-up roll from a roll take driving motor; wherein: webbing disposed between the two outer guide rollers are charge-coupled device image sensor, an outer periphery of the package is provided with an ultrasonic sensor, a charge coupled device image sensor connected to an image acquisition card, the ultrasonic sensor is connected to signal capture card, image acquisition card, and PC data acquisition card connected to IPC, IPC PC motion control card is connected, through a motion control card is connected to the AC induction motor drive; disposed near the take-up roll tension adjusting means comprises a tension adjusting means power adjusting means and the roller, power means connected to the output rollers, powered mechanism controlled by a industrial computer PC; charge coupled device image sensor capture an image signal webbing, this signal is transmitted to the PC through an image acquisition card IPC; acquisition volume ultrasonic sensor means diameter of the signal, this signal is transmitted to the PC via IPC signal acquisition card; PC 工控机对织带图像信号、卷装直径信号进行处理,得出织带张力变化值,当织带张力变化值超出预设范围时,PC工控机控制卷取电机和张力调节装置的动作。 IPC webbing image signal, signal processing package diameter, web tension change value obtained, when the change in webbing tension exceeds a preset value range, PC IPC control the operation of the winding machine and a tension adjusting means.

[0010] 所述张力调节装置的动力机构包括有调节电机、齿轮齿条传动装置,齿轮连接在调节电机的输出轴,齿条末端铰接调节辊,齿轮齿条啮合传动,调节电机为交流电机,调节电机配置有变频器,变频器由PC工控机通过运动控制卡控制。 [0010] The tension adjusting means comprises a powertrain adjustment motor, gear rack gear, a gear connected to an output shaft of the adjustment motor, the rack end hinge rollers, gear rack meshing transmission, adjustment motor of the alternating current motor, adjustment motor is disposed, which the drive is controlled by a motion control card by the PC IPC.

[0011] 所述张力调节装置的动力机构包括有气缸,气缸缸体固定,活塞杆末端铰接调节辊,气缸配备有电磁阀,电磁阀与PC工控机电气连接。 [0011] The tension adjusting means includes a power cylinder mechanism, a fixed cylinder block, a piston rod end of the hinge rollers, a cylinder equipped with a solenoid valve, a solenoid valve electrically connected to the PC IPC.

[0012] 所述超声波传感器包括有超声波发射器与超声波接收器。 The [0012] The ultrasonic sensor comprising an ultrasonic transmitter and ultrasonic receiver.

[0013] 本发明的有益效果是:采用电荷藕合器件图像传感器和超声波传感器非接触式检测织带的张力和卷取半径的变化,不会因接触织带而对其张力产生影响,检测结果更加精确;结合卷取电机的调速与调节辊上下移动共同调节织带张力,张力调节更迅速更有效; 电荷藕合器件图像传感器可以对调节后织带张力进行实时检测以应用于反馈控制。 [0013] Advantageous effects of the invention are: the use of tension and the winding radius changes in charge-coupled device image sensor and an ultrasonic sensor non-contact detection of the webbing, the webbing is not generated due to the contact influence on the tension, more accurate detection results ; combined with a winding motor speed adjusted vertically movable roller to adjust the tension of the webbing, tonicity adjusting faster and more efficient; charge coupled device image sensor of the adjusted web tension can be applied to real-time detection feedback control.

附图说明 BRIEF DESCRIPTION

[0014] 图1为本发明实施例1电气连接示意图; [0014] FIG 1 illustrates an embodiment of electrical connector 1 of the present invention;

[0015] 图2为本发明实施例2电气连接示意图; [0015] FIG 2 Example 2 a schematic view of an electrical connector of the present invention;

[0016] 图3为本发明实施例控制原理图图; [0016] FIG. 3 embodiment of the control principle of the present invention. FIG;

[0017] 图4为本发明实施例控制流程图; [0017] The control flowchart of FIG. 4 embodiment of the present invention;

[0018] 图中标记说明:1_PC工控机,2-图像采集卡,3-信号采集卡,4-变频器,5-运动控制卡,6-电平转换装置,7-超声波传感器,8-调节辊,9-电磁阀,10-导辊,11-电荷藕合器件图像传感器,12-卷取电机,13-气缸,14-调节电机,15-变频器II,16-运动控制卡II。 [0018] FIG Numerals: 1_PC IPC, 2- image acquisition card, signal acquisition card 3-, 4- inverter, motion control card 5-, 6- level conversion means, the ultrasonic sensor 7-, 8- adjusted roll, 9 solenoid valves, 10 guide rollers, 11 charge coupled device image sensor, 12- coiling machine, 13 cylinder, 14 adjustment motor, the inverter 15 II, 16- motion control card II.

具体实施方式 Detailed ways

[0019] 为更好地理解本发明,下面结合附图和实施例对本发明的技术方案做进一步说明,参见图1至图4 : [0019] For a better understanding of the present invention, in conjunction with the following drawings and examples further illustrate the technical solutions of the present invention, referring to FIGS. 1 to 4:

[0020] 按本发明实施的非接触式张力检测并反馈控制的织带卷取装置,包括有卷取辊, 卷取辊由卷取电机12驱动转动,从而将织带缠绕在辊上,卷取电机12采用交流异步电机。 [0020] The webbing winding device according to the tension detection noncontact embodiment of the present invention, and feedback control, comprising a take-up roll, the take-up roller 12 is rotated by the motor driving the take-up, so that the webbing is wound on a roll, the take-up motor 12 AC induction motor. 织带的线速度等于角速度与卷装半径的乘积,而随着卷取的进行,卷装的半径随之增加,若卷取电机12速度保持不变的话,织带卷入的线速度就会增大,引起织带张力变大。 The linear velocity equal to the product of the angular velocity of the webbing with the package radius, and with the progress of the winding, the package radius increases, the speed of winding machine 12 if it remains unchanged, the linear velocity of webbing involved will increase , causing webbing tension increases. 当织带张力变化范围超过初始张力的10%后,对编织效果有明显的影响,所以须对卷装的半径和织带的张力进行检测。 When the webbing tension variations over the range of 10% of initial tension, have a significant effect on the weaving effect, so it must tension the webbing and the radius of the package is detected. 织带初始张力的确定受到卷取辊直径、织带类型等多种因素影响,而织带的张力与织带线速度成正比,若织带线速度为0. 01米/分钟卷入时织带张力较佳,所以织带初始张力的确定根据织带线速度为0. 01米/分钟、卷装半径为卷取辊半径时用手持式电子张力测量仪测量所得,测五次取中间值以减小误差。 Determined by the initial tension of the webbing multiple impacts take-up roll diameter, ribbon type and other factors, the webbing tension and is proportional to the linear velocity of the webbing, the webbing if the line speed was 0.01 m / min web tension involved preferred, so the initial tension of the webbing webbing determined linear velocity is 0.01 m / min, roll radius measurements obtained handheld electronic device with a tension measuring roll radius during winding, an intermediate value measured five times to minimize errors.

[0021] 本发明采用如下方案:在两导辊10间的织带外侧设置有电荷藕合器件图像传感器11,卷装外周设置有超声波传感器7,电荷藕合器件图像传感器11、超声波传感器7均为非接触检测传感器。 [0021] The present invention adopts the following scheme: 10 on the outside of the two web guide rollers provided with a charge coupled device image sensor 11, the outer periphery of the package 7 is provided with an ultrasonic sensor, a charge coupled device image sensor 11, the ultrasonic sensor 7 are non-contact detection sensor.

[0022] 电荷藕合器件图像传感器11连接有图像采集卡2,图像采集卡2与PC工控机1连接,电荷藕合器件图像传感器11,即CCD传感器使用高感光度的半导体材料制成,能把光线转变成电荷,通过模数转换器芯片转换成数字信号。 [0022] The charge coupled device image sensor 11 is connected to an image acquisition card 2, the frame grabber 21 is connected to the PC IPC, charge coupled device image sensor 11, i.e., high-sensitivity CCD sensor using semiconductor materials, can the light into electric charge, into a digital signal by an analog chip. CCD图像传感器11具有精度高、灵敏度高、自扫描和光谱响应宽等优点,因此被广泛应用在图像扫描、非接触式尺寸检测等方面。 The CCD image sensor 11 with high accuracy, high sensitivity, wide spectral response and the self-scanning, etc., it is widely used in image scanning, non-contact detection of size and so on.

[0023] 本实施例中采用的CXD传感器11为维视MV-1300FC/FM工业摄像头,具有分辨率高、图像质量好的特点,应用于工业检测、智能交通、机器视觉、科研、军事科学、航天航空等众多领域,与CMOS数字相机相比,无论是静态采集还是动态采集,均可以得到无变形的高质图像。 [0023] CXD sensor employed in the present embodiment is a 11-dimensional view MV-1300FC / FM industrial cameras, high resolution, good image quality characteristics, used in industrial inspection, intelligent transportation, machine vision, research, military science, aerospace and other fields, compared with CMOS digital camera, either static or dynamic acquisition acquisition, can obtain high quality images without distortion. 该型号摄像头具备1280X 1024像素的分辨率,采集帧率为14帧/秒,图像采集卡2则选用维视MV-M2000图像采集卡2,该卡最大点频220M,采集分辨率1280 X 10M。 The model includes a camera 1280X 1024 pixel resolution, acquisition frame rate of 14 frames / sec, the image acquisition card 2 depending on the choice of MV-M2000-dimensional image acquisition card 2, the card maximum frequency point 220M, acquisition resolution 1280 X 10M. 将维视MV-M2000图像采集卡2直接插入PC工控机1主板的扩展槽内,通过PCI数据总线进行数据传送。 The MV-M2000-dimensional visual image acquisition card 2 directly into a PC motherboard IPC expansion slot 1, data transfer via the PCI data bus. 维视MV-1300FC/FM工业摄像头自带的信号线与图像卡的视频输入插孔相连,维视MV-1300FC/FM工业摄像头自带支架,架设在两个导辊10之间的织带外侧,对导辊10之间的织带静态图像进行摄取,并转换为视频信号传送给图像卡,图像卡实时采集视频信号并进行A/D转换后存入存储通道中,供PC工控机1调用处理,采集间隔时间为0. Ols0 Microvision MV-1300FC / FM industrial cameras carrying the input video image signal line is connected to the card sockets, Microvision MV-1300FC / FM industrial cameras own frame, erected between two outer web guide rollers 10, after the still image of the webbing between the guide rollers 10 for pickup, and converting the image to the card, the card image signal is a real-time video capture and video signal transmission a / D conversion is stored in a memory channel, IPC 1 for PC calling process, collection interval is 0. Ols0

[0024] 织带卷取过程中,织带张力与织带形态几何参数之间存在函数关系,如果测得 [0024] The webbing take-up process, the geometric parameters of a functional relationship exists between the web tension and web form, if the measured

织带下垂夹角,即可计算出织带张力,具体计算公式为:F = @,式中F-织带张力(N), Ribbon sag angle, the ribbon tension can be calculated. The calculation formula is: F = @, formula F- web tension (N),

cosa cosa

P-织带线密度(Kg/m),α-织带与铅直方向夹角,g-重力常量,L-导辊间织带的长度。 P- webbing linear density (Kg / m), α- webbing angle to the vertical direction, G- gravitational constant, and L- webbing guide roller length. 由于α角度很小,L取导辊间直线距离。 Since the angle α is very small, L taken straight line distance between the guide roller. 初始张力值记为Ftl,巧二;^,C^为初始夹角,卷 The initial value is referred to as a tension Ftl, Qiao two; ^, C ^ is the initial angle, Vol.

COSCcq COSCcq

取过程中对α进行检测,当cos α/cosa Q达到1.1时,织带实时张力F超出初始张力F。 Taking process of detecting [alpha], when cos α / cosa Q reaches 1.1, real webbing tension F exceeds the initial tension F. 的10%,就必须调节张力。 10% have to adjust the tension.

[0025] 超声波传感器7包括超声波发射器与超声波接收器,超声波传感器7固定安装在卷装外周的机架上,超声波传感器7与信号采集卡3连接,经过信号采集卡A/D转换后接入PC工控机1,超声波测距采用基于同地收发脉冲反射式的测距方式,记录超声波从发射到接收到的时间间隔t,根据公式S = Ct/2来计算被测距离,式中S-发射器与卷装间的距离,C-超声波的传播速度,由于超声波在温度10°〜30°时的声速分别为338m/s、349m/s, 变化不大,所以C取20°温度下声速344m/s,测得发射器与卷装间的距离后,计算卷装的半径R = So-S+Rj, S0-卷取初始时测得的发射器与卷取辊辊面距离,Rj-卷取辊半径。 [0025] The ultrasonic sensor 7 includes an ultrasonic transmitter and ultrasonic receiver, the ultrasonic sensor 7 is fixedly mounted on the outer periphery of the rack of the package, the ultrasonic sensor 7 is connected to the signal acquisition card 3, the signal acquisition card after A / D conversion Access IPC PC 1, with the ultrasonic ranging transceivers based ranging pulse reflection mode, to record the received ultrasonic waves emitted from the time interval t, the measured distance is calculated, where according to the formula S = Ct / 2 S- distance, C- ultrasonic wave propagation velocity between the transmitter and the package, since the ultrasonic velocity at a temperature of 10 ° ~30 °, respectively 338m / s, 349m / s, little change, so that the speed of sound at 20 ° C taking a temperature 344m / s, the measured distance between the transmitter and the package, the package is calculated radius R = So-S + Rj, S0- measured at the initial winding emitter surface distance and take-up roll, RJ- take-up roller radius. 卷取初始时S = S0, R0 = Rjo Winding the initial S = S0, R0 = Rjo

[0026] 由于F = KcoR,式中K-织带张力与织带线速度的比例常数,ω-卷取轴角速度, R-卷装半径。 [0026] Since F = KcoR, wherein K- proportionality constant web tension and web line speed, ω- winding shaft angular velocity, R- package radius. 当ω保持不变时,织带张力F与R呈正比例关系,当检测R变化超过10%时, 需调节卷取电机12的角速度ω以保持F变化在10%范围内。 When [omega] remains unchanged, the webbing tension and R F was in direct proportion relationship, when the detected change in R exceeds 10%, the take-up motor angular velocity to be adjusted to maintain the F ω 12 vary in the range of 10%.

[0027] 卷取辊由卷取电机12驱动,通过调节卷取电机12的转速来调节卷取速度,从而调整织带张力,卷取电机12采用交流异步电机,PC工控机1连接有运动控制卡5,运动控制卡5完成D/A转换后通过变频器4与交流异步电机连接,调节变频器4的频率可以调节卷取电机12的转速,运动控制卡5则起到A/D转换和电平转换的作用。 [0027] The take-up roll 12 driven by a motor winding, the winding is adjusted by adjusting the rotational speed of the motor 12 winding speed, thereby adjusting the tension of the webbing take-up motor AC induction motor 12, PC IPC is connected to the motion control card 1 5, the motion control card 5 via the inverter 4 and the complete AC induction motor after D / a conversion, adjusting the frequency of the inverter 4 can adjust the winding speed of the motor 12, the motion control card 5 functions as a / D conversion and electrical flat role of conversion. 并通过上述CCD传感器11采集的张力信号进行反馈控制,当张力变化范围在预设值10%内时,停止电机转速的调节。 And a tension control feedback signal collecting the CCD sensor 11, when the tension in the range 10% of the preset value, stops the motor speed adjustment. 为了使张力调节得更迅速更有效,同时在靠近卷取辊处设置张力调节装置,张力调节装置包括动力机构和调节辊8,动力机构的输出端连接调节辊8,动力机构由PC工控机1控制。 In order to more quickly adjust the effective tension while the take-up roller disposed near the tension adjusting means, adjusting means comprises a tension mechanism and a power rollers 8, is connected to the output of the power rollers 8 mechanism, powered by the PC IPC mechanism 1 control. 动力机构有两种形式,实施例1中的动力机构采用的是气缸13,气缸13缸体固定,活塞杆末端铰接调节辊8,气缸13配备有电磁阀9,PC工控机1经过电平转换装置6后连接电气连接电磁阀9,控制电磁阀9可以起到控制气缸13换向、启动、停止的动作。 There are two forms of power mechanism, a power mechanism in Example 1 using the cylinder 13, a cylinder 13 fixed to the cylinder, the piston rod end of the hinge rollers 8, the cylinder 13 is provided with a solenoid valve 9, PC 1 IPC level shifted electrical connection means 6 after the solenoid valve 9, the solenoid control valve 9 controls the air cylinder 13 may serve to change, start and stop operation. 实施例2与实施例1其它结构都相同,不同的是张力调节装置的动力机构包括有调节电机14、齿轮齿条传动装置、调节辊8,齿轮连接在调节电机14的输出轴,齿条末端铰接调节辊8,齿轮齿条啮合传动。 Example 2 Example 1 Other structures are the same, except that the power mechanism comprises a tension adjusting means, adjustment motor gear rack gear 14, rollers 8, the output gear connected to the adjusting shaft of the motor 14, the rack end hinge rollers 8, the rack gear meshing transmission. 调节电机14选用配备有变频器II 15的交流电机,由PC工控机1通过运动控制卡II 16控制驱动。 Selected adjustment motor 14 is provided with a drive motor 15 is AC II, by the PC 1 via IPC II motion control card 16 controls the drive. 张力调节装置配合卷取辊的电机一起对织带张力进行调节,当织带张力过大时,调节辊8向上移动,减小织带的绕角以减小张力,反之,调节辊8向下移动,增大织带的绕角以增加张力。 Webbing tension with a motor with a winding tension adjusting roll adjustment means, when the web tension is too large, the adjustment roll 8 is moved upward, the webbing winding angle is reduced to decrease the tension, and vice versa, adjusting the roller 8 is moved downward by large webbing winding angle to increase the tension.

[0028] 本发明的实施过程为:确定织带初始张力,用键盘输入织带张力变化值的预设范围即初始值的10%,启动卷取电机12,织带卷取开始,CCD传感器11和超声波传感器7每间隔0. Ols分别对织带的张力和卷取辊上的卷装半径进行检测,当检测到卷装半径增加超过范围或织带张力超出范围则减小卷取电机12的转速,同时移动调节辊8的上下位置,待检测到的张力重新落入允许范围内,调节停止。 [0028] The embodiment of the present invention is a process of: determining the initial tension of the webbing, with the keyboard input of a preset range change value that is 10% of the initial web tension value, the motor start winding 12, start winding the webbing, the CCD sensor 11 and the ultrasonic sensor 7 0. Ols intervals respectively on a package radius of the winding roller and the web tension is detected when the detected increase exceeds the range of the radius of the package, or winding the webbing tension exceeds the speed range of the motor 12 is reduced while moving the adjustment the vertical position of the tension roller 8 to be detected again falls within the allowable range, adjustment is stopped.

[0029] 以上所揭露的仅为本发明的较佳实施例而已,当然不能以此来限定本发明之权利范围,因此依本发明申请专利范围所作的等效变化,仍属本发明的保护范围。 Equivalent variations of the present invention is only preferred embodiments, but not intended to limit the scope of the present invention, made according to the patent scope of the invention disclosed above is made, the scope of the present invention is still [0029] .

Claims (2)

1. 一种非接触式张力检测并反馈控制的织带卷取装置,包括有带动织带回旋进行编织的卷取辊,卷取辊由卷取电机驱动;其特征在于:在两导辊间的织带外侧设置有电荷藕合器件图像传感器,卷装外周设置有超声波传感器,电荷藕合器件图像传感器连接有图像采集卡,超声波传感器连接有信号采集卡,图像采集卡、信号采集卡与PC工控机连接,PC工控机连接有运动控制卡,运动控制卡通过变频器与交流异步电机连接;靠近卷取辊设置张力调节装置,张力调节装置包括动力机构和调节辊,动力机构的输出端连接调节辊,动力机构由PC工控机控制;电荷藕合器件图像传感器采集织带图像信号,此信号通过图像采集卡传送给PC工控机;超声波传感器采集卷装直径信号,此信号通过信号采集卡传送给PC工控机;PC工控机对织带图像信号、卷装直径信号进行处理 1. A non-contact web tension detection and feedback control of the winding device, including the drive for the webbing take-up roller revolving knitting, winding the winding roller is driven by a motor; wherein: the webbing between the two guide rollers a charge-coupled device is provided outside of an image sensor package is provided with an outer periphery of an ultrasonic sensor, a charge coupled device image sensor connected to an image acquisition card, the ultrasonic sensor is connected to the signal acquisition card, image acquisition card, and PC data acquisition card connector IPC , PC IPC motion control card is connected, the motion control card is connected through the inverter to the AC induction motor; disposed near the take-up roll tension adjusting means, adjusting means comprises a tension regulating roller and a power mechanism, a power output terminal is connected to the dancer roller mechanism, powered mechanism controlled by a industrial computer PC; charge coupled device image sensor capture an image signal webbing, this signal is transmitted to the PC through an image acquisition card IPC; ultrasonic sensor package diameter acquired signal, the signal transmitted by the signal acquisition card to the PC IPC ; IPC webbing the PC image signal, a diameter signal processing package 得出织带张力变化值,当织带张力变化值超出预设范围时,PC工控机控制卷取电机和张力调节装置的动作;所述张力调节装置的动力机构包括有调节电机,齿轮齿条传动装置,齿轮连接在调节电机的输出轴,齿条末端铰接调节辊,齿轮齿条啮合传动,调节电机为交流电机,调节电机配置有变频器,变频器由PC工控机通过运动控制卡控制;或者所述张力调节装置的动力机构包括有气缸,气缸缸体固定,活塞杆末端铰接调节辊,气缸配备有电磁阀,电磁阀与PC工控机电气连接。 Ribbon tension variation value obtained, when the change in webbing tension exceeds a preset value range, the operation control apparatus PC IPC motor and the take-up tension adjustment; said tension adjusting means comprises a powertrain adjustment motor, gear rack gear gear connected to an output shaft of the adjustment motor, the rack end hinge rollers, drive gear rack gear, AC motors as the adjustment motor, the adjustment motor is disposed, which the drive from the PC via IPC control motion control card; or the said power mechanism comprises a tension adjusting device of a cylinder, a fixed cylinder block, a piston rod end of the hinge rollers, a cylinder equipped with a solenoid valve, a solenoid valve electrically connected to the PC IPC.
2.根据权利要求1所述的非接触式张力检测并反馈控制的织带卷取装置,其特征在于:所述超声波传感器包括有超声波发射器与超声波接收器。 The non-contact tension detection and feedback control according to a webbing winding device as claimed in claim, wherein: said ultrasonic sensor comprises an ultrasonic transmitter and ultrasonic receiver.
CN 200910063341 2009-07-28 2009-07-28 Non-contact tension detection and feedback control mesh belt winding device CN101603244B (en)

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