WO2021018147A1 - 物料导开系统及物料导开控制方法 - Google Patents

物料导开系统及物料导开控制方法 Download PDF

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Publication number
WO2021018147A1
WO2021018147A1 PCT/CN2020/105257 CN2020105257W WO2021018147A1 WO 2021018147 A1 WO2021018147 A1 WO 2021018147A1 CN 2020105257 W CN2020105257 W CN 2020105257W WO 2021018147 A1 WO2021018147 A1 WO 2021018147A1
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Prior art keywords
cloth
roller
wound
motor
control unit
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PCT/CN2020/105257
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English (en)
French (fr)
Inventor
邓宁宁
崔润记
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萨驰华辰机械(苏州)有限公司
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Publication of WO2021018147A1 publication Critical patent/WO2021018147A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B29D2030/0038—Handling tyre parts or semi-finished parts, excluding beads, e.g., storing, transporting, transferring

Definitions

  • This application relates to the technical field of tire building, for example, to a material guiding system and a material guiding control method.
  • the materials that constitute the tire blank such as inner liner, ply, belt, tread, etc., which are arranged in a roll shape, need to be guided by a guiding device and then transported and wound in order. Fit to the forming drum.
  • the guiding device in the related technology includes a guiding motor, a hysteresis brake, a distance measuring photoelectric sensor, a material roller, a cloth pad roller, etc., wherein the cloth pad roller is used as the driving roller, the material roller is used as a driven roller, and the motor and the pad are driven away The cloth roller is connected in transmission, and the hysteresis brake is connected with the material roller.
  • the guide motor When the tire building equipment is in normal production, the guide motor will pull the cloth-laying roller to rotate according to the material supply demand to rewind the cloth-laying separated from the material into a roll for reuse. When the cloth-laying is taken up, it will generate relative to the material roller. A traction force, the material roller runs simultaneously under the action of the traction force to release the material wound on the material roller; when the guide motor stops, the cloth pad roller stops rotating at the same time, and the material roller stops immediately under the braking force of the hysteresis brake Rotate to achieve the purpose of controlling the start and stop of the supplied materials.
  • the distance between the distance measuring photoelectric sensor and the center of the material roll is known, the distance between the sensor and the outermost side of the material roll is measured by the sensor, and the diameter of the material roll is calculated.
  • the hysteresis brake is based on the material roll.
  • the size of the diameter adjusts the aforementioned braking force.
  • the stability of the guide opening device directly affects the production stability and productivity of the molding machine.
  • the related technology has at least the following shortcomings: in the material guiding process, the material roller always needs to have the effect of braking force so as to control the material roller to stop at any time.
  • the guided material will gradually tighten and become tighter and tighter, which will change the tension of the cloth, which will cause the material to stick to the cloth more and more tightly.
  • the waste material will also affect the normal production of the equipment. At the same time, it will also cause the material to stretch, thereby affecting the tire building process, and in serious cases, the tire quality will be poor.
  • the present application provides a material guiding system and a material guiding control method, which can realize constant control of the cloth tension and improve the stability of material guiding.
  • the embodiment of the application provides a material guiding system, including a guiding trolley, a driving mechanism, a guiding bracket, a distance measuring sensor, and a control unit;
  • the guide trolley includes a material roller and a cloth pad roller rotatably supported at the bottom of the guide trolley;
  • the driving mechanism includes a material guide motor connected to the material roller, and a cloth cloth winding motor connected to the cloth roller in transmission;
  • the distance measuring sensor, the material guiding motor and the cloth reeling motor are respectively electrically connected to the control unit;
  • the control unit is configured to obtain in real time the accumulated remaining thickness of the material wound on the material roll and the cloth mat compounded with the material based on the measurement data of the distance measuring sensor; and calculate the accumulated remaining thickness in real time according to the accumulated remaining thickness
  • the length of the material currently wound on the material roller and the cumulative winding thickness of the cloth cloth wound on the cloth cloth roller, and the control of the cumulative winding thickness of the cloth cloth wound on the cloth cloth roller The output torque of the cloth rewinding motor is described to keep the cloth tension constant.
  • the embodiment of the present application also provides a material guiding control method, which is applied to the above material guiding system, and the method includes:
  • the control unit calculates in real time the radius of the material roller and the distance between the material and the cloth cloth wound on the material roll Sum of accumulated remaining thickness (R);
  • the control unit estimates the length of the material currently wound on the material roll in real time;
  • control unit calculates in real time the radius of the cloth cushion roller and the cloth cushion roller The sum of the cumulative coiling thickness of the cloth cloth coiled on the top (R 1 );
  • the control unit Based on the sum (R 1 ) of the radius of the cloth laying roller and the cumulative winding thickness of the cloth cloth (R 1 ), the control unit controls the output torque of the cloth cloth winding motor in real time.
  • Fig. 1 is a schematic structural diagram of a material guiding system provided by an embodiment of the application
  • FIG. 2 is a schematic structural diagram of the material guiding system provided by the embodiment of the application in another direction;
  • FIG. 3 is a schematic diagram of detection of a distance measuring sensor in an embodiment of the application.
  • FIGS. 1 and 2 are schematic structural diagrams of a material guiding system provided by an embodiment of the application.
  • the material guiding system includes a frame 1, a guiding trolley 2, a driving mechanism 3, and a guiding bracket 4.
  • the guide car 2 is loaded on the frame 1, the driving mechanism 3 is installed on the frame 1, and the guide bracket 4 is arranged on the guide car 2.
  • the guide car 2 includes a material roller 2-1 and a cloth pad roller 2-2, which are rotatably supported at the bottom of the guide car 2, and the cloth roller 2-1 is wound with materials and a cloth cloth compounded with the material. 2 is set to wind the cloth cloth separated from the material, the rotation axis of the material roller 2-1 is parallel to the rotation axis of the cloth cloth roller 2-2, and the position of the material roller 2-1 and the cloth cloth roller 2-2 are opposite.
  • the driving mechanism 3 includes a material guide motor 3-1 connected to the material roller 2-1, and a cloth reeling motor 3-2 connected to the cloth roller 2-2.
  • the material guide motor 3-1 carries animal materials.
  • the roller 2-1 rotates or stops, and the cloth cloth winding motor 3-2 drives the cloth cloth roller 2-2 to rotate or stop.
  • the guide bracket 4 includes a support frame 4-1 and a plurality of parallel guide rollers 4-2 installed on the support frame 4-1, and the guide rollers 4-2 are used to guide the cloth to separate from the material.
  • the material guiding system also includes the distance measuring sensor 5 and the control unit, the distance measuring sensor 5, the material guiding motor 3-1 and the cloth roll
  • the motors 3-2 are electrically connected to the control unit.
  • the signal from the distance measuring sensor 5 is perpendicular to the axis of the material roller 2-1.
  • the distance measuring sensor 5 is installed on the support rod 6 of the frame 1 and is located obliquely above the material roller 2-1. In other embodiments, the distance measuring sensor 5 may also be installed on the guide car 2.
  • the control unit Based on the measurement data of the distance measuring sensor 5, the control unit obtains the accumulated residual thickness of the material and the cloth wrapped on the material roll 2-1 in real time, and adjusts the output speed of the material guide motor 3-1 to adjust the material roll 2-1 Rotation speed, based on the above-mentioned real-time acquisition of the accumulated remaining thickness of the material and cloth, calculate in real time the length of the material currently wound on the material roller 2-1 and the cumulative roll of the cloth wound on the cloth roller 2-2 Take the thickness to control the output torque of the cloth rewinding motor 3-2 to make the cloth tension constant.
  • the display unit which is electrically connected to the control unit to display the length of the material currently wound on the material roll 2-1.
  • the display unit reminds the operator to replace it in time
  • the guide car 2 or only the material roller 2-1 and the cloth pad roller 2-2 of the guide car 2 are replaced.
  • the material disengagement motor 3-1 is equipped with a brake mechanism to stop the material disengagement motor 3-1;
  • the cloth reeling motor 3-2 is equipped with an encoder to feedback the cloth reel in real time The rotation speed of the motor 3-2 is taken to realize the closed-loop control of the rotation speed and output torque of the cloth reeling motor 3-2.
  • an embodiment of the present application provides a material guiding control method, which is applied to the aforementioned material guiding system, and the method includes:
  • Step a Based on the known vertical distance D between the signal emitting end of the ranging sensor 5 and the axis of the material roll 2-1, and the signal emitting end detected by the ranging sensor 5 in real time and the material and cushion The distance M between the outer circumferential surface of the material roller 2-1, according to the following formula, the control unit can calculate in real time the radius of the material roller 2-1 itself and the accumulated residual of the material and the cloth wound on the material roller 2-1 The sum of thickness R;
  • Step b Based on the known radius r of the material roller 2-1, the thickness H of the material itself, the thickness h of the cloth mat that is compounded with the material, and the real-time calculated radius of the material roller 2-1 and the material roller 2 According to the following formula, the control unit can estimate the length L of the material currently wound on the material roll 2-1 in real time according to the sum R of the accumulated remaining thickness of the material wound on the -1 and the cushion cloth.
  • Step c Based on the total length L'of the material wound on the material roll 2-1 when the material roll 2-1 is full, and the above-mentioned real-time estimated length L of the material currently wound on the material roll 2-1, According to the following formula, the control unit calculates in real time the sum of the radius of the cloth laying roller 2-2 and the cumulative winding thickness of the cloth cloth wound on the cloth laying roller 2-2, R 1 , where r 1 is the cloth laying roller 2-2 The radius of itself.
  • Step d Based on the sum R 1 of the radius of the cloth patch roller 2-2 calculated in real time and the cumulative thickness of the cloth cloth wound on the cloth patch roller 2-2, the control unit controls the pad in real time according to the following formula The output torque T of the cloth winding motor 3-2, where T 1 is the constant value of the tension torque of the cloth; t is the correction coefficient, which is a constant.
  • the control unit calculates the material roller 2 when the material roller 2-1 is full -1 The total length of the material wound on L'.
  • control unit can calculate the rotation speed n of the material roller 2-1 in real time, so as to control the rotation speed n'of the material guide motor 3-1 in real time.
  • the material guide motor 3-1 controls the speed of the material roller 2-1 in real time, so that the material guide speed matches the conveying speed of the material separated from the cloth on the conveying assembly, and at the same time, the cloth is controlled in real time
  • the output torque of the take-up motor 3-2 realizes the constant tension of the cloth during the material guiding process under the cooperative action of the material guiding motor 3-1 and the cloth reeling motor 3-2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

一种物料导开系统和物料导开控制方法，物料导开系统包括导开小车、驱动机构、导开支架、测距传感器及控制单元；其中，所述导开小车包括可转动地支承在所述导开小车底部的物料辊和垫布辊；所述驱动机构包括与所述物料辊传动连接的物料导开电机、及与所述垫布辊传动连接的垫布卷取电机；所述测距传感器、所述物料导开电机及所述垫布卷取电机分别与所述控制单元电连接。

Description

物料导开系统及物料导开控制方法
本申请要求申请日为2019年7月31日、申请号为201910697917.4的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及轮胎成型技术领域，例如涉及一种物料导开系统及物料导开控制方法。
背景技术
相关技术中的橡胶轮胎制造工艺中，构成轮胎胎胚的呈卷状设置的物料如内衬层、帘布层、带束层、胎面层等需经导开装置导开后依次输送、缠绕贴合至成型鼓。
相关技术中的导开装置包括导开电机、磁滞制动器、测距光电传感器、物料辊、垫布辊等，其中，垫布辊作为主动辊，物料辊作为从动辊，导开电机与垫布辊传动连接，磁滞制动器与物料辊连接。
轮胎成型设备正常生产时，导开电机根据供料需求，牵引垫布辊转动以将与物料分离后的垫布重新卷取成卷而回用，垫布被卷取时相对于物料辊会产生一个牵引力，物料辊在该牵引力的作用下同时运转而释放卷绕于物料辊上的物料；导开电机停止时，垫布辊同时停止转动，物料辊在磁滞制动器的制动力下也即刻停止转动，达到控制供给物料启停的目的。另外，在已知测距光电传感器与物料辊中心之间的距离的情况下，通过该传感器测量出传感器与物料辊最外侧间的距离，计算出物料辊的直径大小，磁滞制动器根据物料辊直径的大小调节上述制动力。上述导开装置的稳定性直接影响着成型机生产的稳定性和产能。
相关技术中至少存在如下缺点：在物料导开过程中，由于物料辊始终需要有制动力的作用以便于控制物料辊能够随时停止，垫布在拉动物料辊使其转动的同时，物料辊上待导开的物料会慢慢地收紧，且会越来越紧，从而会改变垫布张力，由此会导致物料越来越紧地粘在垫布上难以导开造成挤料，不仅造成大量的废料而且影响设备正常生产，与此同时也会造成物料拉伸，进而影响轮胎成型工艺，严重时造成轮胎品质不良。
发明内容
本申请提供了一种物料导开系统及物料导开控制方法，可实现垫布张力的恒定控制，提高物料导开的稳定性。
本申请实施例提供了一种物料导开系统，包括导开小车、驱动机构、导开支架、测距传感器及控制单元；
其中，所述导开小车包括可转动地支承在所述导开小车底部的物料辊和垫布辊；
所述驱动机构包括与所述物料辊传动连接的物料导开电机、及与所述垫布辊传动连接的垫布卷取电机；
所述测距传感器、所述物料导开电机及所述垫布卷取电机分别与所述控制单元电连接；
所述控制单元设置为：基于所述测距传感器的测量数据实时获取所述物料辊上所缠绕的物料和与所述物料复合的垫布的累积剩余厚度；根据所述累积剩余厚度实时计算所述物料辊上当前所缠绕物料的长度以及所述垫布辊上所卷取的垫布的累积卷取厚度，以及根据所述垫布辊上所卷取的垫布的累积卷取厚度控制所述垫布卷取电机的输出扭矩，以使垫布张力恒定。
本申请实施例还提供了一种物料导开控制方法，应用于上述物料导开系统，该方法包括：
基于已知的所述测距传感器的信号发射端与所述物料辊轴心线之间的垂直距离(D)和所述测距传感器实时检测到的其信号发射端与缠绕有物料和与所述物料复合的垫布的所述物料辊的外圆周面之间的距离(M)，所述控制单元实时计算出所述物料辊的半径与所述物料辊上所缠绕的物料和垫布的累积剩余厚度之和(R)；
基于已知的所述物料辊的半径(r)、物料的厚度、与物料复合的垫布的厚度以及所述物料辊的半径与所述物料辊上所缠绕的物料和垫布的累积剩余厚度之和(R)，所述控制单元实时估算出所述物料辊上当前所缠绕物料的长度；
基于所述物料辊上满料时所缠绕的物料的总长度以及所述物料辊上当前所缠绕的物料的长度，所述控制单元实时计算出所述垫布辊的半径与所述垫布辊上所卷取的垫布的累积卷取厚度之和(R 1)；
基于所述垫布辊的半径与所述垫布的累积卷取厚度之和(R 1)，所述控制单元实时控制所述垫布卷取电机的输出扭矩。
附图说明
图1为本申请实施例提供的物料导开系统的结构示意图；
图2为本申请实施例提供的物料导开系统在另一个方向的结构示意图；
图3为本申请实施例中测距传感器的检测示意图。
其中：
1、机架；2、导开小车；2-1、物料辊；2-2、垫布辊；
3、驱动机构；3-1、物料导开电机；3-2、垫布卷取电机；
4、导开支架；4-1、支撑架；4-2、导向辊；
5、测距传感器；6、支撑杆。
具体实施方式
参见图1-图2，为本申请实施例提供的一种物料导开系统的结构示意图，该物料导开系统包括机架1、导开小车2、驱动机构3、及导开支架4。导开小车2装载于机架1上，驱动机构3安装在机架1上，导开支架4设置在导开小车2上。导开小车2包括转动支承在导开小车2底部的物料辊2-1和垫布辊2-2，物料辊2-1上卷绕有物料和与物料复合的垫布，垫布辊2-2设置为卷绕与物料分离的垫布，物料辊2-1的转动轴线与垫布辊2-2的转动轴线平行，且物料辊2-1与垫布辊2-2的位置相对。
驱动机构3包括与物料辊2-1传动连接的物料导开电机3-1、及与垫布辊2-2传动连接的垫布卷取电机3-2，物料导开电机3-1带动物料辊2-1转动或停止，垫布卷取电机3-2带动垫布辊2-2转动或停止。
导开支架4包括支撑架4-1、及安装在支撑架4-1上的多个平行布置的导向辊4-2，导向辊4-2用以引导垫布与物料相分离。
为了保证物料导开过程中垫布的张力恒定，如图3所示，该物料导开系统还包括测距传感器5和控制单元，测距传感器5、物料导开电机3-1及垫布卷取电机3-2分别与控制单元电连接。测距传感器5发出的信号垂直于物料辊2-1的轴心线。测距传感器5安装在机架1的支撑杆6上，并位于物料辊2-1的斜上方，在其他实施例中，测距传感器5还可以安装在导开小车2上。
控制单元基于测距传感器5的测量数据实时地获取物料辊2-1上所缠绕的物料和垫布的累积剩余厚度，调节物料导开电机3-1的输出转速以调节物 料辊2-1的转速，同时还基于上述实时获取的物料和垫布的累积剩余厚度，实时地计算物料辊2-1上当前所缠绕物料的长度以及垫布辊2-2上所卷取的垫布的累积卷取厚度，从而控制垫布卷取电机3-2的输出扭矩，以使垫布张力恒定。
为了优化本申请的实施效果，还包括显示单元，显示单元与控制单元电连接，以显示物料辊2-1上当前缠绕的物料的长度，当物料即将耗尽时，显示单元提醒操作人员及时更换导开小车2或仅更换导开小车2的物料辊2-1和垫布辊2-2。
为了优化本申请的实施效果，物料导开电机3-1设有制动机构，以停止物料导开电机3-1；垫布卷取电机3-2上设有编码器以实时反馈垫布卷取电机3-2的转速，以实现所述垫布卷取电机3-2的转速和输出扭矩的闭环控制。
参见图3，本申请实施例提供一种物料导开控制方法，应用于上述物料导开系统，该方法包括：
步骤a：基于已知的测距传感器5的信号发射端与物料辊2-1轴心线之间的垂直距离D和测距传感器5实时检测到的其信号发射端与缠绕有物料和垫布的物料辊2-1外圆周面之间的距离M，根据以下公式，控制单元可实时计算出物料辊2-1自身半径与该物料辊2-1上所缠绕的物料和垫布的累积剩余厚度之和R；
R＝D-M
步骤b：基于已知的物料辊2-1自身半径r、物料自身的厚度H、与物料复合的垫布自身的厚度h以及上述实时计算出的物料辊2-1自身半径与该物料辊2-1上所缠绕的物料和垫布的累积剩余厚度之和R，根据以下公式，控制单元可实时地估算出物料辊2-1上当前所缠绕物料的长度L。
Figure PCTCN2020105257-appb-000001
步骤c:基于物料辊2-1上满料时物料辊2-1上所缠绕的物料的总长度L'以及上述实时地估算出的物料辊2-1上当前所缠绕的物料的长度L，根据以下公式，控制单元实时地计算出垫布辊2-2自身半径与垫布辊2-2上所卷取的垫布的累积卷取厚度之和R 1,其中，r 1为垫布辊2-2自身的半径。
Figure PCTCN2020105257-appb-000002
步骤d:基于上述实时计算出的垫布辊2-2自身半径与垫布辊2-2上所卷取的垫布累积卷取厚度之和R 1，根据以下公式，控制单元实时地控制垫布卷取电机3-2的输出扭矩T，其中，T 1为垫布张力扭矩恒定值；t为修正系数，为一常量。
T＝T 1+t×R 1
可选地，在上述步骤c之前，基于已知的物料辊2-1自身半径r、物料自身的厚度H、与物料复合的垫布自身的厚度h以及物料辊2-1上满料时物料辊2-1自身半径与该物料辊2-1上所缠绕的物料和垫布的累积厚度之和R'，根据以下公式，由控制单元计算出物料辊2-1上满料时物料辊2-1上所缠绕的物料的总长度L'。
Figure PCTCN2020105257-appb-000003
可选地，在步骤a之后，基于上述实时计算出的物料辊2-1自身半径与该物料辊2-1上所缠绕的物料和垫布的累积剩余厚度之和R和已知的物料在与垫布分离后的输送速度v，控制单元可实时地计算物料辊2-1的转速n，从而能够实时地控制物料导开电机3-1的转速n'。
因此，通过物料导开电机3-1实时控制物料辊2-1的转速，以使物料导开速度和与垫布分离后的物料在输送组件上的输送速度相匹配，同时，实时控制垫布卷取电机3-2的输出扭矩，在物料导开电机3-1和垫布卷取电机3-2的协同作用下实现在物料导开过程中垫布的张力恒定。

Claims (12)

  1. 一种物料导开系统，包括导开小车(2)、驱动机构(3)、导开支架(4)、测距传感器(5)及控制单元；
    其中，所述导开小车(2)包括可转动地支承在所述导开小车(2)底部的物料辊(2-1)和垫布辊(2-2)；
    所述驱动机构(3)包括与所述物料辊(2-1)传动连接的物料导开电机(3-1)、及与所述垫布辊(2-2)传动连接的垫布卷取电机(3-2)；
    所述测距传感器(5)、所述物料导开电机(3-1)及所述垫布卷取电机(3-2)分别与所述控制单元电连接；
    所述控制单元设置为：基于所述测距传感器(5)的测量数据实时获取所述物料辊(2-1)上所缠绕的物料和与所述物料复合的垫布的累积剩余厚度；根据所述累积剩余厚度实时计算所述物料辊(2-1)上当前所缠绕物料的长度以及所述垫布辊(2-2)上所卷取的垫布的累积卷取厚度，以及根据所述垫布辊(2-2)上所卷取的垫布的累积卷取厚度控制所述垫布卷取电机(3-2)的输出扭矩，以使垫布张力恒定。
  2. 根据权利要求1所述的物料导开系统，其中：所述控制单元还设置为根据所述累积剩余厚度实时调节所述物料导开电机(3-1)的输出转速，以调节所述物料辊(2-1)的转速。
  3. 根据权利要求1所述的物料导开系统，还包括显示单元，所述显示单元与所述控制单元电连接，所述显示单元设置为显示所述物料辊(2-1)上当前所缠绕的物料的长度。
  4. 根据权利要求1所述的物料导开系统，还包括机架(1)，所述导开小车(2)和所述驱动机构(3)安装于所述机架(1)上。
  5. 根据权利要求4所述的物料导开系统，其中：所述测距传感器(5)固定安装在所述导开小车(2)或所述机架(1)上；所述导开支架(4)安装在所述导开小车(2)或所述机架(1)上。
  6. 根据权利要求1所述的物料导开系统，其中：所述导开支架(4)包括支撑架(4-1)、及安装在所述支撑架(4-1)上的多个平行布置的导向辊(4-2)，以引导垫布与物料分离。
  7. 根据权利要求1所述的物料导开系统，其中：所述测距传感器(5)为红外测距传感器、超声波测距传感器或激光测距传感器。
  8. 根据权利要求1所述的物料导开系统，其中：所述物料导开电机(3-1) 设有制动机构。
  9. 根据权利要求1所述的物料导开系统，其中：所述垫布卷取电机(3-2)上设有编码器以实现所述垫布卷取电机(3-2)的转速和输出扭矩的闭环控制。
  10. 一种物料导开控制方法，应用于如权利要求1-9任意一项所述的物料导开系统，所述方法包括：
    基于已知的所述测距传感器(5)的信号发射端与所述物料辊(2-1)轴心线之间的垂直距离(D)和所述测距传感器(5)实时检测到的其信号发射端与缠绕有物料和与所述物料复合的垫布的所述物料辊(2-1)的外圆周面之间的距离(M)，所述控制单元实时计算出所述物料辊(2-1)的半径与所述物料辊(2-1)上所缠绕的物料和垫布的累积剩余厚度之和(R)；
    基于已知的所述物料辊(2-1)的半径(r)、物料的厚度、与物料复合的垫布的厚度以及所述物料辊(2-1)的半径与所述物料辊(2-1)上所缠绕的物料和垫布的累积剩余厚度之和(R)，所述控制单元实时估算出所述物料辊(2-1)上当前所缠绕的物料的长度；
    基于所述物料辊(2-1)上满料时所缠绕的物料的总长度以及所述物料辊(2-1)上当前所缠绕的物料的长度，所述控制单元实时计算出所述垫布辊(2-2)的半径与所述垫布辊(2-2)上所卷取的垫布的累积卷取厚度之和(R 1)；
    基于所述垫布辊(2-2)的半径与所述垫布辊(2-2)上所卷取的垫布的累积卷取厚度之和(R 1)，所述控制单元实时控制所述垫布卷取电机(3-2)的输出扭矩。
  11. 根据权利要求10所述的物料导开控制方法，其中：在所述所述控制单元实时计算出所述垫布辊(2-2)的半径与所述垫布辊(2-2)上所卷取的垫布的累积卷取厚度之和(R 1)之前，还包括：基于已知的所述物料辊(2-1)的半径(r)、物料的厚度、与物料复合的垫布的厚度，以及所述物料辊(2-1)上满料时所述物料辊(2-1)的半径与所述物料辊(2-1)上所缠绕的物料和垫布的累积厚度之和，所述控制单元计算出所述物料辊(2-1)上满料时所述物料辊(2-1)上所缠绕的物料的总长度。
  12. 根据权利要求11所述的物料导开控制方法，其中：在所述所述控制单元实时计算出所述物料辊(2-1)的半径与所述物料辊(2-1)上所缠绕 的物料和垫布的累积剩余厚度之和(R)之后，还包括：基于计算出的所述物料辊(2-1)的半径与所述物料辊(2-1)上所缠绕的物料和垫布的累积剩余厚度之和(R)以及已知的物料在与垫布分离后的输送速度，所述控制单元实时计算所述物料辊(2-1)的转速以调节所述物料导开电机(3-1)的转速。
PCT/CN2020/105257 2019-07-31 2020-07-28 物料导开系统及物料导开控制方法 WO2021018147A1 (zh)

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